This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements of insole forming machines. This standard applies to insole forming machines used in the shoemaking industry. QB/T 2337-1997 Insole forming machines QB/T2337-1997 Standard download decompression password: www.bzxz.net

QB/T 2337- 1997
This standard is formulated based on the enterprise standards of major manufacturers and the collection of some relevant domestic and foreign technical information, combined with the performance and structural characteristics of the product.
This standard is proposed by the Quality Standards Department of China Light Industry Association. This standard is under the jurisdiction of the National Fur Leather Machinery Standardization Center. The drafting unit of this standard: the 634th Institute of Aviation Industry Corporation. The main drafters of this standard: Wang Xiaoguo and Chen Guangzhe. 256
1 Scope
Light Industry Industry Standards of the People's Republic of China
Insole Forming Machine
QB/T2337-1997
This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements of insole forming machines.
This standard applies to insole forming machines used in the footwear industry. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T3766--1983 General technical conditions for hydraulic systems GB/T5226--1985 General technical conditions for electrical equipment of machine tools GB7612-1987 Determination of sound power level of noise in leather machinery GB/T13384-1992 General technical conditions for packaging of electromechanical products GB/T14253-1993 General technical conditions for light industrial machinery QB1525-1992 Method for compiling product models of shoemaking machinery QB/T1588.4-1993 General technical conditions for painting of light industrial machinery 3 Product classification
3.1 Model
The model should comply with the relevant provisions of QB1525. 3.2 Type
Insole forming machines can be divided into gantry type and inclined table type according to their structural characteristics. According to the characteristics of the hydraulic system, they can be divided into direct pressure type and compound pressure type. 3.3 Specifications
The specifications of the insole forming machine are divided according to the maximum forming pressure of the product. The product specifications are 40100, 160, 200, 250, and 300 kN. 3.4 Basic parameters
≥80mm
3.4.1 Moving mold working stroke
≥40mm/s
Moving mold working speed
≥60mm/s
Moving mold return speed
4 Technical requirements
4.1 The insole forming machine shall comply with the requirements of this standard and be manufactured according to the drawings and technical documents approved by the prescribed procedures. 4.2 Technical requirements for the mechanical part
4.2.1 The moving mold shall be stable and free of creeping when it is raised and lowered. 4.2.2 The stroke and speed of the movable mold lifting shall meet the requirements of 3.4. 4.2.3 The parallelism error between the movable mold and the fixed mold mounting seat shall not exceed 0.20mm. Approved by China Light Industry Association on December 4, 1997www.bzxz.net
Implementation on August 1, 1998
QB/T 2337- 1997
4.2.4 The quality requirements for processing and assembly shall meet the relevant provisions of No. 5 of GB/T14253--1993. 4.3 Technical requirements for hydraulic system
4.3.1 The hydraulic pipelines shall be arranged neatly, and the bends of the pipes shall be smoothly transitioned, without obvious dents and flattening. 4.3.2 The working pressure adjustment of the hydraulic system shall be flexible and effective, and the working pressure shall be adjusted within the range specified in the product manual. 4.3.3 After continuous operation for 2 hours, the oil temperature at the oil inlet of the oil tank hydraulic pump shall not exceed 60C. 4.3.4 The hydraulic system shall not have any leakage. 4.3.5 The oil tank shall have a removable cover to prevent impurities from entering the oil tank and facilitate cleaning of the oil tank. 4.3.6 Other technical requirements of the hydraulic system shall comply with the relevant provisions of GB/T3766. 4.4 Technical requirements for electrical system
4.4.1 The electrical system shall be safe and reliable, with an insulation resistance of not less than 1M0 and a continuous resistance of the protection circuit of not more than 0.10. 4.4.2 The position and color of buttons and indicator lights shall comply with the requirements of 8.2.3 and 8.2.4 of GB/T5226-1985, and the operation shall be correct, flexible and reliable.
4.4.3 The electrical circuits shall be arranged neatly and the joints shall be firm. All wiring and terminals shall be clearly marked. 4.4.4 Other technical requirements of the electrical system shall comply with the relevant provisions of GB/T5226. 4.5 Technical requirements for appearance quality
4.5.1 Product labels and signs should be complete, firmly and properly installed, and the writing should be clear. 4.5.2 The quality requirements for painting should comply with the relevant provisions of QB/T1588.4. 4.5.3 The plating layer of electroplated parts should be firm, smooth and even in color. 4.5.4 The surface of blued parts should be uniform and should not have spots or rust. 4.5.5 The surface of sheet metal parts should be smooth and neat, without distortion and deformation, and the maximum gap should be less than 1.5mm when fitted with the machine. 4.5.6 Other technical requirements for appearance quality should comply with the relevant provisions of Chapter 6 of GB/T14253-1993. 4.6 Safety and hygiene
4.6.1 There should be no abnormal noise when the machine is running, and the noise sound power level of a single product should not exceed 91dB. 4.6.2 The machine should be equipped with safety protection devices. 4.6.3 Other technical requirements for safety and sanitation shall comply with the relevant provisions of 4.6 of GB/T14253-1993. 5 Test methods
5.1 Operation test
Adjust the machine to a working state according to the procedures specified in the product manual (when there is no mold, a wooden block can be used instead and placed between the movable mold and the fixed mold mounting seat).
a) Move the operating handle to the left (press the button switch on the left) to raise the left movable mold (seat) to the position and hold the pressure for about 10 seconds; b) After the pressure holding is completed, move the operating handle back to the middle position to lower the left movable mold (seat); c) Move the operating handle to the right (press the button switch on the right) to raise the right movable mold (seat) to the position and hold the pressure for about 10 seconds; d) After the pressure holding is completed, move the operating handle back to the middle position to lower the right movable mold (seat); e) Repeat the above actions for 2 hours.
5.2 For the inspection of the basic parameters of 3.4, use a steel ruler and a stopwatch to check the working stroke and lifting speed of the movable mold when the machine is running. 5.3 For the inspection of the smooth operation of 4.2.1, visual inspection and hand feeling methods can be used to check and judge. 5.4 For the inspection of parallelism of 4.2.3, a dial indicator is fixed on the meter stand, with the lower plane as the reference plane, and the meter stand is moved vertically and horizontally to see if the meter reading is within the specified value.
5.5 For the inspection of the pipeline quality of 4.3.1, visual inspection methods can be used to check and judge. 5.6 For the inspection of pressure adjustment of 4.3.2, the pressure regulating valve can be adjusted, the random pressure gauge can be observed, and the method of hand feeling and self-test can be used to check and judge. When the molding pressure is high, it is usually a composite pressurized oil circuit. The moment when the left movable mold (seat) or the right movable mold (seat) rises to the position and the pressure is increased and maintained is the working pressure of the hydraulic system. Adjust the pressure regulating valve, observe the random pressure gauge, and check and judge by hand feeling and purpose methods. 258
QB/T 2337—1997
5.7 For the inspection of the oil temperature of the oil tank in 4.3.3, after continuous operation for 2 hours, insert a 0℃~100℃ thermometer into the oil inlet of the hydraulic pump of the oil tank for actual measurement. 5.8 For the inspection of the leakage of the hydraulic system in 4.3.4, after continuous operation for 2 hours, use visual inspection to check and judge. 5.9 For the inspection of the tightness of 4.3.5, use visual inspection to check and judge. 5.10 For the inspection of the insulation resistance of 4.4.1, test according to the relevant provisions of Chapter 13 of GB/T5226—1985. 5.11 For the inspection of the buttons and indicator lights in 4.4.2, use the method of simulated operation according to the relevant provisions of 8.2.3 of GB/T5226-1985, and judge by hand feeling and visual inspection.
5.12 For the inspection of the electrical circuit in 4.4.3, use visual inspection to judge. 5.13 For the appearance quality inspection of 4.5, the sensory visual method shall be used for judgment. 5.14 For the machine noise inspection of 4.6.1, the inspection shall be carried out in accordance with the relevant provisions of GB\7612. 5.15 For the safety protection device inspection of 4.6.2, the sensory visual method shall be used for judgment. 5.16 The maximum molding pressure of the inner bottom forming machine is a theoretical calculation, and the formula is: F~0. 25×10-3×yuanpD2
Where: F-
Maximum molding pressure, kN;
Maximum working pressure of the hydraulic system, MPa;
Diameter of the hydraulic cylinder plunger, mm.
Should comply with the specification series of 3.3.
5.17 When the hydraulic system is a compound pressurization type, when the workbench rises to its position, there should be an obvious secondary pressurization action before the pressure is maintained. 6 Inspection rules
6.1 Factory inspection
6.1.1 The factory inspection items are 4.2, 4.3, 4.4, 4.5, 5.1 and 5.8 of this standard. 6.1.2 Each machine must be inspected and qualified by the quality inspection department of the manufacturer and the product certificate must be issued before it can leave the factory. 6.2 Type inspection
6.2.1 Type inspection should be conducted in any of the following situations. a) When there are major changes in design, process or materials; b) When the product is discontinued for more than one year and then resumed; c) Under normal production conditions, it should be conducted every two years; d) Trial production and finalization of the product for transfer production; e) When the national quality supervision agency proposes type inspection requirements. 6.2.2 Type inspection items are the entire content of this standard. 6.2.3 Type inspection shall randomly select 10% of the qualified products for factory inspection, but shall not be less than 2 units. 6.2.4 If the random inspection fails, the random inspection shall be doubled. If it still fails, it shall be regarded as a non-conforming product. 7 Signs, packaging, transportation, storage
7.1 Labels and signs
, 7.1.1 Product labels should contain the following: a) Manufacturer name;
b) Product name;
c) Product model;
d) Product number;
e) Date of manufacture;
f) Registered trademark.
7.1.2 Safety and operation signs should contain the following: (1)
a) Operation sign;
b) Safety sign.
7.2 Packaging
QB/T2337—1997
Product packaging should comply with the relevant provisions of GB/T13384 and the product standard code and number should be marked on the packaging. 7.3 Transportation
During transportation and loading and unloading, the product should be handled with care and no throwing or collision is allowed. It should be prevented from severe vibration and rain. 7.4 Storage
The product should be stored in a ventilated, dry warehouse free of corrosive substances.
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