This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of powder mixing machines for battery manufacturing. This standard applies to powder mixing machines with a mixing capacity of 0.3, 0.6, and 1.3 tons per mixing. QB/T 1820-1993 Powder mixing machine QB/T1820-1993 Standard download decompression password: www.bzxz.net

Industry Standard of the People's Republic of China
Subject Content and Scope of Application
QB/T182093
This standard specifies the product classification, technical requirements, test methods, inspection rules, labeling, packaging, transportation and storage of powder mixing machines for battery manufacturing. This standard applies to powder mixing machines with a mixing capacity of 0.3, 0.6, and 1.31 per mixing. 2 Reference Standards
GB 191
GB 3766
GB 5226
GB 7932
Packaging, storage and transportation pictorial symbols
General technical conditions for hydraulic systems
General technical conditions for machine tool electrical equipment
General technical conditions for pneumatic systems
GB/T13306 Product labels
ZB50004
Metal cutting machine tools
Determination of noise sound pressure level
QB/T1588.3 Light industrial machinery
General technical conditions for assembly
QB/T1588.4 General technical conditions for painting of light industrial machinery Q13/T1694 Method for compiling product models of battery machinery JB2759 General technical conditions for packaging of electromechanical products 3 Product classification
3.1 Jinghao
The compilation of the model of the powder mixing machine shall comply with the provisions of QB/T1694. 3.2 Structural type
The drum is tiltable, and its cylinder can rotate around the axis of a certain angle in the vertical plane. 3.3 Basic parameters
The basic parameters should comply with the requirements of Table 1.
Production capacity
Technical requirements
4.1 Basic requirements
Mixing capacity
Total power
Simplified speed
Working pressure of air pressure system (adjustable)
Working pressure of hydraulic system (adjustable)
The powder mixer shall be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures, and shall comply with the provisions of relevant standards. 4.1.1 Structure and performance requirements
Approved by the Ministry of Light Industry of the People's Republic of China on July 29, 1993 232
Implemented on March 1, 1994
QB/T 1820—93
The structure of the powder mixer shall be scientific and reasonable, and meet the working performance requirements. 4.1.1.1 The powder mixer shall have two functions: automatic control and manual operation, and the powder mixer shall be operated according to the prescribed procedures. 4.1.1.2 The sliding and transmission parts of the powder mixing machine should be flexible and stable, without any jamming phenomenon, and the bridge frame hammering action should be flexible and without jamming phenomenon. 4.1.1.3 When the powder mixing machine is in normal operation, there should be no powder and electro-hydraulic leakage at the joint between the cover and the body. 4.1.1.4 The temperature rise at the sliding bearing of the powder mixing machine shall not exceed 35℃. The maximum temperature shall not exceed 75℃, and the leakage rise at the rolling bearing shall not exceed 40℃, and the maximum temperature shall not exceed 80.
4.1.2 Requirements for pneumatic and hydraulic systems
4.1.2.1 The pneumatic system shall comply with the relevant provisions of GB7932, and the pipelines shall be arranged reasonably, unobstructed, and there shall be no leakage. 4.1.2.2 The hydraulic system shall comply with the relevant provisions of (B3766, the injection system shall be unobstructed, the pipelines shall be arranged reasonably, and there shall be no obvious leakage. 4.1.3 Requirements for electrical system
4.1.3.1 The electrical circuits shall be numbered, the wiring shall be correct, the terminal heads shall be firmly connected, the wiring shall be neat, the wires shall not be cut, or otherwise damaged, and shall comply with the relevant provisions of GB5226.
4.1.3.2 The safety protection measures of the electrical system shall be reliable, and the insulation resistance of the electrical system shall not be less than 1M2. The test voltage shall not be less than 1500V. The electrical equipment shall not have breakdown or flashover after a 1min withstand voltage test: Continuity test, the resistance shall not be greater than 0.12. It shall comply with G3 5226 13.113.2,13.3 4.1.3.3 The electrical control buttons should work properly and display clearly. 4.1.4 Safety and Health
4.1.4.1 The noise level of the powder mixing machine during normal operation shall not exceed 98dI3(A). 4.1.4.2 The operating part of the powder mixing machine shall have reliable anti-loosening devices and safety protection devices, and shall be equipped with operating instructions, safety and other signs or signs.
4.1.5 Powder mixing quality (sampling)
4.1.5.1 The moisture content uniformity shall not be less than 95%. 4.1.5.2 Carbon uniformity The rate should not be less than 90%. The calculation method is as shown in Appendix A (reference part). 4.1.5.3 The powder should be uniform in appearance and free of hydration. 4.1.6 Lifespan
4.1.6.1 Under the condition that the user complies with the maintenance and use rules, the time from the start of use to the first overhaul shall not be less than 10,000 hours (except for wearing parts).
4.1.6.2 Under the condition that the user complies with the maintenance and use rules, the service life of the powder mixer shall not be less than 8 years. 4.2 Quality of parts processing and assembly
4.2.1 All parts must be Assembly can be carried out only after passing the inspection. 4.2.2 The assembly quality shall be carried out in accordance with the drawings and assembly process requirements, and shall comply with the relevant provisions of QB/T1588.3. 4.3 Appearance quality
4.3.1 The appearance paint must be uniform, corrosion-resistant, and consistent in color. There shall be no roughness or unevenness, and it shall comply with the relevant regulations of Q1/T1588.4.
4.3.2 The exposed non-added surface shall not have defects such as protrusions and depressions other than those specified in the drawings. 5 Test method wwW.bzxz.Net
5.1 The assembly quality shall be inspected according to the assembly requirements and shall comply with 4.2. 5.2 Electrical system inspection
5.2.1 Visual inspection of electrical circuits shall comply with the provisions of 4.1.3.1. Dynamic inspection of electrical control buttons shall comply with the provisions of 4.1.3.3. 5.2.2 The insulation test of the electrical system shall be carried out in accordance with the relevant provisions of 13.1 of GB5226. The withstand voltage test shall be carried out in accordance with the relevant provisions of 13. of GB5226. The continuity test of the protective conductor shall be carried out in accordance with the relevant provisions of 13.3 of GB5226 and shall comply with the provisions of 4.1.3.2. 5.3 Run the following items for 1h.
QB/T 1820--93
5.3.1 Detect the movement of the powder mixer and it shall comply with the provisions of 4.1.1.2: 5.3.2 Use a point thermometer to measure the temperature rise and the maximum temperature at the bearing and it shall comply with the provisions of 4.1.1.4. 5.4 Working performance test (after passing the idle operation test) 5.4.1 According to the powder mixing process requirements, test the automatic control powder mixing and manual operation powder mixing. It should comply with the provisions of 4.1.1.1. 5.4.2 Check the closing status of the powder mixing cylinder and cylinder cover, and it should comply with the provisions of 4.1.1.3. 5.5 Safety and health test
5.5.1 According to the powder mixing machine measurement point diagram as shown in Figure 1 and the relevant provisions of ZBJ50004, test the noise level, which should comply with the provisions of 4.1.4.1.
Powder mixing machine
2000mmm
Figure 1 Powder mixing machine measurement point diagram
5.6 Powder mixing quality inspection
Carry out according to the provisions of Appendix A (reference).
6 Inspection rules
Each powder mixing machine must be inspected and qualified by the manufacturer and accompanied by a certificate of conformity before it can leave the factory. 6.1
6.2 Product inspection is divided into factory inspection and type inspection. 6.2.1 Factory inspection shall be carried out in accordance with the provisions of 4.1.1.1.4.1.1.2, 4.1.1.1, 4.1.3.1, 4.1.3.3, 4.1.4.2.4.3. 6.2.2 Type inspection
Type inspection shall be carried out in any of the following situations a.
Trial production and identification of new products or old products transferred to the factory for production: After formal production, if there are major changes in structure, materials, and technology, which may affect product performance: When the product has been discontinued for a long time and resumed production;
When the product has been in continuous production for 2 years, one unit shall be selected for type inspection (which can be carried out at the user unit); Type inspection shall be carried out in accordance with the provisions of Chapter 4.
Marking, packaging, transportation, storage
The nameplate should be fixed in a conspicuous position on the machine. The product nameplate should comply with the relevant provisions of G1B3/T13306. The nameplate should be marked with the following contents: 7.1
Manufacturer name;
Product name;
Product model and main parameters;
Zhunlu Han
Manufacturer number;
Manufacture period.
7.2 Packaging, transportation, storage
QB/T1820—93
Product packaging should comply with the relevant provisions of JJ32759 7. 2. 1
The packaging storage and transportation signs should comply with the relevant provisions of (B191) Transportation, purchase and storage should comply with the regulations of the relevant departments of land and water. 7.3 Random Documents
Random Documents shall be complete and the contents shall be accurate
Random Documents shall include the following contents:
Product Certificate:
Product Packing List;
Product Instructions.
Quan Heating Network
Open Huamei Standard Industry Information Division
A1 Test Conditions
QB/T 1820—93
Powder Mixing Quality Inspection
(Reference)
After the idle running test is qualified, the raw materials provided for the test shall meet the following requirements for sampling inspection at the user unit: The raw materials shall be powdery and granular in appearance, and shall be qualified products without agglomeration; a.
Electro-hydraulic formula shall be in accordance with the process requirements.
A2 Powder adjustment quality inspection
Take powder samples from the beginning, middle and end of the unloading process after the same batch of powder adjustment: Calculation of average moisture content:
Average moisture content—(1-Amx
Amn)× 100% ≥ 95%
Where: Arax
Where: A beginning
The highest measured value of moisture content, g;
The lowest measured value of moisture content, g;
Average moisture content, g.
=4+A on A*
The measured value of moisture content at the beginning of the powder.g;
A.-—The measured value of moisture content in the powder·; A
The measured value of moisture content at the end of the powder, g.
Calculation of carbon uniformity:
Carbon uniformity
Wuzhong: B
Carbon content in the process formula before powder adjustment, g:
The highest carbon content in the sample after powder adjustment, g: Bmm---The lowest carbon content in the sample after powder adjustment.g. Additional notes:
This standard is issued by the Technical Equipment Department of the Ministry of Light Industry. This standard is issued by the National Light Industry Machinery Standardization Center. Btux Brait
X 100% 90%
This standard was drafted by Gonghai Battery Machinery Factory and Guangzhou Daily Machinery Factory. The main drafters of this standard: Zhu Weijun, Lu Yuanzhong, Huang Rushu 236
Name of standard material party fee Ji
(A)
(A3)
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