Some standard content:
Machinery Industry Standard of the People's Republic of China
JB/T 7549.2-94
Screw-on sealing machine
Published on December 9, 1994
Ministry of Machinery Industry of the People's Republic of China
Implementation on October 1, 1995
Machinery Industry Standard of the People's Republic of China
Screw-on sealing machine
1 Subject content and scope of application
JB/T 7549. 2 -- 94
This standard specifies the terminology, product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements of screw-on sealing machines.
This standard applies to sealing machines (hereinafter referred to as sealing machines) that use metal caps to perform screw-on sealing on glass bottles and cans with spiral flanges on the bottle mouths, where the bottles and caps should comply with the provisions of ZBY22008 and ZBY73018 and their corresponding provisions respectively. 2 Reference standards
GB1498
GB 2894
GB3785
GB5048
GB5226
GB 6388
GB 7311
GB/T 13306
GB/T 13384
ZB Y22 008
ZB Y73 018
3 Terminology
Packaging storage and transportation pictorial signs
Safety signs for protection levels of low-voltage switchgear and control devices
Electrical and acoustic performance and test methods of sound level meters Moisture-proof packaging
General technical conditions for machine tools and electrical equipment
Transport packaging receiving and shipping signs
Packaging machinery model compilation method
General technical conditions for packaging of electromechanical products
500 ml canned bottles
70-type twist-off bottle cap
3.1 Semi-automatic sealing machine
Manual bottle feeding, machine sealing, manual bottle output. 3.2 Automatic sealing machine
Automatic bottle feeding, machine sealing, automatic bottle output. 3.3 CNC sealing machine
The functional behavior of the machine is carried out according to the instructions of the input fixed program. 3.4 Friction sealing
The friction wheel or friction belt can and lid produce relative movement and screw together to seal. 3.5 Clamping sealing
Clamping the can or lid to make them produce relative movement and screw together to seal. 3.6 Pressure inside the bottle
The absolute pressure inside the can after sealing. 3.7 Device for checking pressure inside the bottle
Approved by the Ministry of Machinery Industry on December 9, 1994
Implementation on October 1, 1995
B/T 7549.2--94
A device for checking the pressure inside the bottle after sealing and rejecting cans with unqualified pressure. 3.8 Normal pressure
The pressure inside the bottle is consistent with the external environment pressure. 3.9 Hot exhaust
The process of heating the canned bottle and its contents before sealing to reduce the air density in the bottle and sealing it while hot. 3.10 Steam injection
The process of using the principle of hot exhaust and jet to inject steam of a certain temperature and pressure at the mouth of the bottle to extract the air in the bottle when sealing. 3.11 Cold exhaust
When the canned bottle is in a semi-sealed or fully sealed state, a vacuum source is used to exhaust it to reduce the air density in the bottle. 3.12 Semi-sealed
When sealing, the sealed space is formed by the canned bottle and the machine. 3.13 Fully sealed
When sealing, the canned bottle is completely placed in the sealed chamber of the machine. 3.14 Opening torque
After the canned bottle is sealed, the unscrewing torque when the pressure in the bottle is at normal pressure 4 Product classification
4.1 Sealing machines are divided into several types according to the following conditions. 4.1.1 According to the degree of automation, it can be divided into:
semi-automatic, automatic.
4.1.2 According to the control method, it can be divided into:
mechanical, numerical control.
4.1.3 According to the method of forming the pressure inside the bottle, it can be divided into: normal pressure, hot exhaust, steam injection, cold exhaust. 4.1.4 According to the method of forming the sealing state, it can be divided into: semi-sealed, fully sealed.
4.1.5 According to the situation of the capping device, it can be divided into:
with capping device, without capping device.
4.1.6 According to the situation of the pressure detection device inside the bottle, it can be divided into: with pressure detection device inside the bottle, without pressure detection device inside the bottle. According to the method of tightening the bottle cap, it can be divided into:
clamping type, friction type.
4.1.8 According to the specifications of the sealed bottle caps, they are divided into:
38, 48, 53, 58, 63, 70, 82, 89, 100, 110. 4.2 The model compilation of the sealing machine shall comply with the provisions of GB7311. The codes of various types are shown in Table 1. The code arrangement of the model is carried out from left to right according to the items listed in Table 1.
Main model
Automation degree code
Automation degree
Semi-automatic
Mechanical
CNC
Code for forming pressure inside the bottle
Code丨normal pressure
Steam jet
Bottle pressure detection
Device code
Main parametersWww.bzxZ.net
Cap specifications
(maximum/
minimum)
Derivative type
Remodeled design
Sequence code
Model example:
JB/T 7549.2—94
Hot row, the clamping type semi-automatic sealing machine with the sealing cap specification of 63 is model: FXR63
Cold row, with capping device, bottle pressure detection device, the clamping type automatic mechanical sealing machine with the sealing cap specification of 82 is model: FXZGJ82
Steam jet, with capping device, the friction type CNC sealing machine with the sealing cap specifications of 63, 70, 82 is model: FXDPG82/63
4.3 The basic parameters of the sealing machine shall comply with the requirements of Table 2. Table 2
Automation
Semi-automatic
Pressure inside the bottle
Formation method
Normal pressure heat removal
Nominal productivity
Weight not more than
bottle/min
Area per unit time
Productivity not less than
mL/(s- m\)
Per 100 mL
Energy consumption is not more than
Canned bottle specifications
Bottle specifications
38～82
150~~770
150~770
150770
Automation
5 Technical requirements
Pressure inside the bottle
Formation method
Nominal productivity
Bottle/min
JB/T 7549.2—94
Continued Table 2
Weight is not more than
Area per unit time
Productivity is not less than
mL/(s -m\)
Energy consumption per 100mL
is not more than
5.1 The sealing machine shall comply with the provisions of this standard and be manufactured according to the drawings and technical documents approved by the prescribed procedures. 5.2 Sealing quality
5.2.1 The sealing machine shall ensure the sealing of the canned bottle after sealing. 5.2.2 The protective layer of the lid shall not be damaged after sealing. 5.2.3 The opening torque is 2~～7 Nm.
Canned bottle specifications
Bottle specifications
150770
150~770
5.2.4 The pressure established in the sealed canned bottle by the hot exhaust, steam jet and cold exhaust sealing machine at nominal production rate shall not exceed 67kPa. 5.3 Technical and economic performance of sealing machine
5.3.1 When the sealing machine is at nominal production rate, the mechanical breakage rate of canned bottles shall comply with the provisions of Table 3. Table 3
FXA,FXZA
FXR,FXP,FX,FXZR.FXZP,FXZ,FXDP,FXD5.3.2 The production rate deviation of automatic sealing machine shall comply with the provisions of Table 4. 4
Mechanical bottle breakage rate
Nominal production rate
16,20,25
32,40,45
JB/T 7549.2-94
5.3.3 The unit time and area productivity of sealing machine shall comply with the provisions of Table 2. 100,125
5.3.4 The energy consumption of sealing machine for producing 100mL canned food (including supporting equipment) shall comply with the provisions of Table 2. 5.4 Reliability
The effectiveness of the sealing machine shall comply with the provisions of Table 5. Table 5
Product Type
Effectiveness A
5.5 Lifespan
Semi-automatic sealing machine
Automatic sealing machine
5.5.1 The total service life of the sealing machine shall not be less than 8 years (two-shift system), and the number of major repairs allowed during this period shall not exceed 3 times. 5.5.2 The following vulnerable parts of the sealing machine shall meet the following requirements: a. For clamping sealing machines
Gripping jaws: seal not less than 50,000 bottles;
Pressure head: seal not less than 2,000,000 bottles.
b. For friction sealing machines
Friction belt: seal not less than 1,000,000 bottles; Friction wheel: seal not less than 50,000 bottles.
5.6 Requirements for typical components
5.6.1 For sealing machines with automatic capping devices, the capping system shall ensure that no bottle is left uncapped, one bottle is capped, and the capping is flat. 5.6.2 For sealing machines with bottle internal pressure detection devices, it shall ensure that cans with pressure higher than the given pressure can be automatically rejected. 5.6.3 For sealing machines with counting devices, the counting should be accurate. 5.7 Air system sealing
bottles/min
5.7.1 The air circuit of the cold row sealing machine should be sealed reliably without obstruction. When the air circuit pressure is between 40~~20kPa, turn off the air source, and the increment after 10s should not be greater than 20 kPa.
5.7.2 The steam input air circuit of the steam jet sealing machine should have no steam leakage at a pressure of 980kPa. 5.8 Safety, hygiene and environmental protection
5.8.1 Automatic sealing machines with electronic monitoring systems should ensure that they can automatically stop and alarm when a sealing failure occurs (such as broken bottles). 5.8.2
In addition to completing the specified sealing, counting and other functions, the CNC sealing machine should also ensure: a.
When there is no cap or bottle, the air circuit of the sealing head should be in a closed state; when a fault occurs during sealing, it can automatically stop and alarm; when there is a capping device, it can automatically stop and alarm when the caps in the silo are used up; when the head pressure of the cold row sealing machine is higher than the specified requirements or the steam pressure of the steam jet sealing machine is lower than the specified requirements, it can automatically stop and alarm. d.
5.8.3 Protect the electrical parts of the sealing machine, and its minimum protection level should comply with the provisions of IP23 in GB1498. 5.8.4 Electronic devices should generally be placed in a special electrical box. If they must be placed in the machine body, they should be placed in a special part of the machine body, and their protection level should comply with the provisions of IP54 in GB1498. 5.8.5 The electrical control of the sealing machine should be safe and reliable, and the insulation resistance between the live parts and the machine body shell should be no less than 1MQ. 5.8.6 The sealing machine should have good grounding protection measures and markings, and the resistance value between the external protection line terminal and any exposed conductor parts of the electrical equipment and the casing should not exceed 0.1α.
5.8.7 The voltage of the control circuit should not be higher than 36V. JB/T 7549.2-94
5.8.8 The electrical box should be equipped with an electrical schematic diagram and wiring diagram. 5.8.9 The wires placed in the vacuum channel should be arranged in a special metal tube and fixed to the machine body to ensure reliable contact with the grounding part of the electrical equipment.
5.8.10 The handwheel exposed outside the machine should be disconnected from the transmission system when the machine is working. 5.8.11 The transmission components (such as belts and chains) exposed outside the machine should have protective covers. 5.8.12 The parts in contact with the cans should be corrosion-resistant and non-toxic. During the sealing process of the sealing machine, no new pollution is added to the contents of the cans. 5.8.13
5.8.14 The clamping type sealing machine shall be equipped with a positioning device for canned bottles and a protective device to prevent the canned bottles from dislocating. The sound pressure level of the noise emitted by the sealing machine shall not exceed 82dB (A). 5. 8. 15
5.8.16 The lubrication system shall work normally and there shall be no oil leakage. 5.9 Appearance and assembly quality
5.9.1 The sealing machine shall be able to ensure smooth operation. 5.9.2 The coating on the surface shall be smooth and have a medium gloss. No significant dirt, obvious sagging, repair marks and color difference are allowed. 5.9.3 The coating shall have sufficient hardness, elasticity and adhesion. 5.9.4 The weld seams of exposed welded parts shall be flat and there shall be no obvious depressions or protrusions. 5.10 Ergonomics
5.10.1 The operating parts shall be easy to operate and their operating force shall comply with the requirements of Table 6. Table 6
Type of operating parts (empty machine)
Operating force
Hand wheel
Friction clutch lever
5.10.2 The observation instrument should be located directly opposite the operator, and the position of buttons and handles should be convenient for operation. 5.10.3 The sealing machine should be provided with a lifting hole or ring. 5.11 Scope of application of the machine
5.11.1 For friction sealing machines, the machine should be able to seal three adjacent specifications of cans by adjusting the machine. 40
Pedal of semi-automatic sealing machine
5.11.2 For clamping sealing machines, adjusting and replacing some parts should be able to seal two adjacent specifications of cans in the same sealing state. 5.12 Completeness
5.12.1 Requirements for completeness
a. For hot row sealing machines, a heating container that can meet the productivity and the specified temperature when sealing canned bottles should be configured. For steam jet sealing machines, a pressure vessel that can produce steam of not less than 300kPa and 200L/s should be provided, and there should be pipes and nozzles connected to the sealing b.
machine.
c. For cold row sealing machines, a vacuum source with a vacuum rate of not less than 1.5m/min at a pressure of 40kPa should be configured. If a vacuum pump and a regulator (storage tank) are used directly, the ultimate vacuum of the vacuum pump should not be greater than 2.67kPa, and the volume of the regulator should be 0.3~0.6m2. 5.12.2 Scope of supply of complete sets
1 host machine
1 set of wearing parts and special tools each
c. 1 set of random documents (certificate of conformity, instruction manual, packing list) 5.13 Quality Assurance
If the user complies with the installation and use rules of the product, the manufacturer shall repair or replace the product free of charge (except wearing parts) if the product fails to work properly due to poor manufacturing quality within 18 months from the date of shipment or within 12 months from the date of installation. 6
6 Test method
Test equipment and instruments
JB/T 7549. 2-94
Supporting equipment and devices that can meet the requirements of completeness in Article 5.12.1 Torque meter 1
Vacuum meter with 2.5-level accuracy (with plug pin) 1 sound level meter
Stopwatch 1
Electric meter with 2.5-level accuracy 1
Megohmmeter with 2.5-level accuracy 1
6.2 Test conditions and procedures
6.2.1 The temperature of the test site shall not be lower than 5℃. 6. 2. 2
The operator shall be skilled.
The test device shall be connected according to the corresponding requirements of Article 5.12.1. After the test run for not less than 0.5h, the machine shall be in the state of waiting for work. 6.2.3 i
6.2.4 The canned bottles for the test shall be prepared according to the following conditions: a. Cold row sealing machine: fill the bottle with water to 10~20 mm from the bottle mouth; b. Hot row and steam jet sealing machine: fill the bottle with water to 9~11 mm from the bottle mouth. 6.2.5 The cold row sealing machine shall work within the nominal efficiency range and the head pressure shall be guaranteed not to be higher than 40kPa. 6.2.6 When the test sealing machine does not add new pollution to the canned contents, the test site shall comply with the food hygiene regulations (generally carried out in the canning factory's real can production workshop).
6.3 Test content
6.3.1 Real can sealing test
Perform a continuous sealing test according to the requirements of Article 5.2.4. Record the total number of seals and broken bottles, and use a stopwatch to record the actual number of bottles sealed in 5 minutes.
6.3.2 The reliability test shall be carried out according to Appendix A (Supplement). 6.3.3 For the life test, test points should be established in the user, and test records should be made. The test results should be provided by the user or issued by the statutory quality supervision department.
6.4 Test and evaluation
6.4.1 Productivity: The productivity should be calculated by the total number of bottles sealed in 5 minutes, which should meet the requirements of Table 4. 6.4.2 Pressure inside the bottle: For steam jet sealing machines (the temperature of the canned bottle is not less than 60℃ when sealing) and hot row sealing machines (the center temperature of the canned bottle is not less than 80℃ when sealing), when the temperature inside the bottle is equal to room temperature, for cold row sealing machines, 5 minutes after sealing, use a vacuum gauge to perform a destructive inspection and record the pressure inside the bottle. When the pressure inside the bottle is higher than 74 kPa and does not exceed 5% of the number of bottles inspected and evaluated, the pressure inside the bottle shall be determined according to formula (1): p=
Wherein: p: - the pressure inside the i-th bottle whose pressure is not higher than 74 kPa, kPa; n - the number of canned bottles inspected (generally 50 to 100 bottles are taken as an evaluation group), pieces; r - the number of canned bottles with pressure inside the bottle higher than 74 kPa, pieces. 6.4.3 Bottle breakage rate: calculated according to the test records in Article 6.3.1. ·(1)
6.4.4 Randomly select 10 sealed canned bottles for sealing inspection. During the inspection, turn the sealed canned bottles upside down and visually observe that no bubbles should be generated. 6.4.5 Randomly draw 10 cans after sealing and measure the opening torque with a torque meter. 6.4.6 The area productivity per unit time is determined by formula (2): n
Wherein V is the volume of canned bottles, mL;
JB/T 7549. 2 -- 94
n—actual productivity obtained in Article 6.4.1, bottles/min; α—machine length, m;
b-machine width, m
7---area productivity per unit time, mL/(s·m\). The energy consumption of the sealing machine for each 100mL of canned food produced shall be determined in accordance with Appendix B (reference). 6.4.7
6.4.8 The service life shall be determined by the user's proof or by the statutory quality supervision department. Turn on the machine and visually inspect the requirements of Articles 5.6.1 to 5.6.3. 6.4.9
The airtightness of the gas circuit shall be tested and evaluated according to the corresponding method in Article 5.7. 6.4.10
6.4.11 Noise measurement shall be carried out at nominal production rate: Measuring instrument: Type I sound level meter specified in GB3785. a.
There shall be no obstacles around the sealing machine, and the distance from the wall shall not be less than 2000mm. b.
Location of microphone measuring point: The height from the ground and the distance from the sealing machine shall be 1500mm and 1000mm respectively, and 4 measuring points shall be selected along the periphery of the sealing machine. c.
d. When measuring, the background noise (i.e. the ambient noise when the sealing machine is not running) shall be measured first, and its position shall be the same as the noise measurement position of the sealing machine. If the difference between the background noise sound pressure level and the noise sound pressure level when the sealing machine is running is less than 3dB (A), the measurement result is invalid: if the difference is less than 10dB (A) but greater than or equal to 3dB (A), the noise of each measuring point of the sealing machine is obtained after correction according to Table 7. Table 7
Lri - Lpo
In the table: Lp1—noise sound pressure level when the sealing machine is running, dB (A); Lpo background noise sound pressure level, dB (A);
ALp—correction value to be subtracted from Lp, dB (A). The actual noise of each measuring point is calculated according to formula (3): Lp = LPl \- ALp*-
e. Under load operation, after measuring the noise at each measuring point, take the highest value, which is the noise sound pressure level of the sealing machine. dB(A)
6.4.12 Determination of whether there is new pollution in the canned content: Under the conditions of Article 6.2.5, when the sealing machine is working, randomly select 4 adjacent cans, of which 2 are sealed and 2 are not sealed, and test the harmful content of the canned contents together, and compare the test results. 6.4.13 Measure the insulation resistance and grounding resistance according to the provisions of GB5226. Measure the protection level of electrical components according to the method specified in GB1498. 6.4.14
6.4.15 Artificially create the specified hypothetical conditions and sensory evaluation of the requirements of Articles 5.8.1 and 5.8.2. Visually inspect the requirements of Articles 5.8.6 to 5.8.11 and 5.8.14. 6.4.16
The requirements of Article 5.8.12 require that the materials specified in the drawings should be checked. Sensory evaluation of the requirements of Article 5.9, where:
Coating hardness: Use a fingernail to scratch the coating film. If there is no mark, it is considered to be sufficient hardness. Coating elasticity: Use a sharp knife to scrape the coating. If the scrapings do not break, do not stick together, and roll up elastically, it is considered to have sufficient elasticity.
Coating adhesion: Make a cross-shaped crack on the coating. If it is not easy to peel off along the edge of the crack, it is qualified. Sensory evaluation of the requirements of Article 5.10, if necessary, use a dynamometer to test the operating force of the operating parts. 6. 4. 19
6.4.205.11 requirements: Through the actual adjustment of the sealing machine (or replacement of some parts), assess whether it can meet the expanded scope of use. 8
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