CN110212713B - Motor production process - Google Patents
Motor production process Download PDFInfo
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- CN110212713B CN110212713B CN201910598344.XA CN201910598344A CN110212713B CN 110212713 B CN110212713 B CN 110212713B CN 201910598344 A CN201910598344 A CN 201910598344A CN 110212713 B CN110212713 B CN 110212713B
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- assembly
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 210000000078 claw Anatomy 0.000 claims abstract description 65
- 238000003825 pressing Methods 0.000 claims abstract description 47
- 238000007689 inspection Methods 0.000 claims abstract description 37
- 238000004804 winding Methods 0.000 claims abstract description 32
- 238000005476 soldering Methods 0.000 claims abstract description 9
- 238000003754 machining Methods 0.000 claims abstract description 8
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 31
- 239000003973 paint Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 27
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 20
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 15
- 230000015556 catabolic process Effects 0.000 claims description 12
- 238000004080 punching Methods 0.000 claims description 11
- 230000007306 turnover Effects 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 238000007598 dipping method Methods 0.000 claims description 5
- 238000005056 compaction Methods 0.000 claims description 4
- 230000009191 jumping Effects 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000011161 development Methods 0.000 abstract description 2
- 238000012790 confirmation Methods 0.000 description 25
- 238000001514 detection method Methods 0.000 description 20
- 229910000679 solder Inorganic materials 0.000 description 6
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention relates to a motor production process, which comprises the following steps: (1) winding the framework; (2) pressing the shaft and the front claw pole; (3) press mounting of the framework component; (4) press mounting the rear claw pole; (5) the rotor is in dynamic balance; (6) pressing the inner ferrule; (7) a fan for table tennis; (8) a fan after table tennis; (9) pressing a collecting ring; (10) soldering tin and pressure resistance inspection; (11) insulating the rotor assembly; (12) turning the excircle of the rotor assembly; (13) machining a ferrule plane; (14) turning the collecting ring; (15) applying anti-rust oil; (16) and (5) checking the rotor assembly. According to the motor production process, the manufactured motor is high in precision, meets the requirement of high quality, prolongs the service life of the motor, and is better in safety and sustainable development.
Description
Technical Field
The invention belongs to the technical field of automobile motor processing, and relates to a motor production process.
Background
The motor generally includes a motor barrel (motor casing), two end caps disposed at two ends of the motor barrel, a stator disposed inside the motor barrel, and a rotor. When the motor rotor structure is assembled, the framework needs to be wound firstly, and then the framework is matched with a rotating shaft, a polar claw, an inner ferrule, a fan, a collecting ring and the like, the existing rotor preparation process has high working accuracy, but is far from insufficient for the fields with higher accuracy requirements of automobiles and the like, in terms of the current production level, the production process is not many, even under the condition that the whole steps are consistent, the service performance of the finished motor is different due to the difference of process parameters of each step, in the automobile motor, when a rotor assembly is tested by the rotor assembly, the often set electric breakdown emission is low, the often high-strength electric breakdown emission is not obtained, and as is well known, the new rule of the household car scrapping age limit is issued in the official motor vehicle mandatory scrapping standard in the department of commerce to cancel the rule of the non-operation car driving age limit, meanwhile, the scrapped driving mileage of the private car is limited to 60 kilometers. The method for canceling the age limit and taking the limitation of kilometers as a standard greatly improves the utilization rate of the automobile, and the original 15-year waste reporting system is canceled, which means that the service life of the automobile is probably far longer than 15 years, and the driving mileage of three years is 10 kilometers (the setting is presumed to be three years or 10 kilometers according to the maintenance package proposed by investigating most automobile brands), so that 18 years are needed when the driving mileage reaches 60 kilometers, and the installation precision and the detection standard of the automobile motor in the prior art need to be improved to meet the requirement of the service life of the existing automobile. And the production process of rotor subassembly is comparatively loaded down with trivial details, and the installer needs to spend longer time, and packaging efficiency is lower. In the press-fitting step, the coaxiality of the structure and the like are still maintained.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the above problems in the prior art are overcome.
The technical scheme adopted by the invention for solving the technical problems is as follows: provided is a motor production process, including:
(1) winding a framework: placing a framework in the middle of a framework winding mold, installing the framework on a main shaft of equipment, fixing the framework by using a fastening nut, winding the framework, releasing a wire pressing belt, winding the framework to the required number of turns, reserving the corresponding length to a lead wire, cutting off the lead wire, stringing the lead wire in the middle of the wire pressing belt, drawing the lead wire, cutting off the lead wire, sleeving an insulating sleeve, and winding the lead wire to a framework hanging lug or a hanging lug hole to obtain a framework assembly;
(2) and (3) pressing a shaft and a front claw: putting a claw pole on a compaction tool, enabling the pole tip to face upwards, putting a rotor shaft into an inner hole of the claw pole to the bottom of the inner hole of the compaction tool, then dropping a punch into the outer circle of the shaft, starting a pressure switch of a press, pressing the middle of the punch by a press head of the press, and completing the press mounting to obtain a front claw pole magnet, wherein the depth of a punching groove is more than or equal to 1 mm;
(3) and (3) pressing the framework assembly: placing the framework assembly into the front claw pole magnet, aligning the framework hanging lug with a claw tip of the front claw pole, and pressing the framework assembly to the bottom of the claw pole magnet to obtain a front claw pole with the framework assembly pressed;
(4) and (3) pressing a rear claw pole: placing the front claw pole of the pressed framework component on a tool, aligning the claw tip of the rear claw pole to the middle of the skirt edge of the framework component, pressing downwards, placing a punch on the outer circle of the rotor shaft to the plane of the rear claw pole, knocking the front claw pole and the rear claw pole by a nylon tool until the distance between the front claw pole and the rear claw pole is less than or equal to 2mm, starting a pressure switch of a press, pressing a pressure head of the press at the middle position of the punch, pressing the punch down to the depth of a punching groove to be more than or equal to 1mm, and completing the pressing to obtain a;
(5) rotor dynamic balance: drawing lines with the width of about 5mm and the length of 10-15mm on the part by using a marking pen for equipment speed acquisition, putting the part on a tool, starting a motor, putting down a belt, rotating the part, starting dynamic balance operation, performing weight removal operation according to display screen data, and repeating the operation for many times until the requirements are met;
(6) pressing an inner ferrule: placing the part on a base, placing an inner ferrule, sleeving a pressure head on the inner ferrule, and starting press fitting;
(7) fan before table tennis: placing the part in the middle of a tool, clamping the part, placing a front fan, positioning, performing a pong welding operation, taking out the part after the installation is finished, and placing the part on a turnover vehicle;
(8) fan after table tennis: placing the part in the middle of a tool, clamping the part, placing a rear fan, placing a framework lead at the lead position of the rear fan, tensioning and flattening the lead on the rear fan, placing a rear fan chuck at a corresponding position by using a table tennis rear fan, performing table tennis welding operation, taking out the part after the installation is finished, and placing the part on a turnover vehicle;
(9) and (3) pressing a collecting ring: placing the assembly subjected to the table tennis welding on a press-fitting base, placing a collecting ring, sleeving a tool, starting a press, stepping down a switch, and press-fitting in place;
(10) soldering and pressure resistance inspection: cutting off the rest part of the winding lead as required, sleeving an insulating sleeve, stripping paint from a lead head, winding the lead head to a collector ring welding sheet, and soldering tin by using a 200W electric soldering iron; adjusting the voltage of the dielectric breakdown device to 660V, placing one end of the device on the excircle of the claw pole, placing the other end of the device on a collector ring copper ring for 1s to check whether the collector ring is insulated or not, and whether the framework winding and the claw pole are short-circuited or not, removing redundant wire ends, and placing the device on a transfer car;
(11) insulating treatment of a rotor assembly: preparing the viscosity of insulating paint, adjusting the position of a paint groove and the paint supply amount, starting and adjusting the temperature of an oven, putting the assembly into a rotor clamp, fixing the assembly, setting the paint dipping time and the stepping time when the temperature of the oven reaches a specified temperature, and normally operating a paint dipping program;
(12) turning the outer circle of the rotor assembly: sleeving a process ferrule on a front end shaft of the component, placing the front end shaft of the component in the middle of a phi 17 numerical control three-jaw device, fixing a turning tool on a tool rest of the device, aligning the height of the turning tool to the center of a workpiece shaft, starting a lathe for turning operation, and after turning is finished, applying antirust oil on the outer circle of a rotor component and placing the rotor component on a turnover vehicle;
(13) and (3) machining a ferrule plane: adjusting the positions of the clamp, the tip and the tool tip, fixing the clamp, the tip and the tool tip, placing the rotor assembly in a second tip of the equipment, and splitting the ring to the position size of the collecting ring;
(14) turning a collecting ring: adjusting the positions of the clamp, the center and the tool tip, fixing, placing the rotor assembly in a second center of the machine tool, adjusting the rotating speed to 1280r/min, and performing finish machining on the excircle of the collecting ring;
(15) applying antirust oil: coating anti-rust oil on front and rear bearing blocks of the rotor by using a brush;
(16) and (5) checking the rotor assembly.
As a preferred embodiment of the present invention, the number of winding turns in step (1) is 390 ± 10.
As a preferred embodiment of the invention, the pressure of the press in step (2) is 11 ± 1 kg · f, the depth of the punching groove is 1-2mm, and the distance from the thread plane to the bottom surface of the front claw pole is 49.5 ± 0.15 mm; the pressure of the press in the step (4) is 11 plus or minus 1 kg · f, the difference between the claw pole pitches is less than or equal to 2mm, and the depth of the punching groove is 1-2 mm; the pressure of the press in the step (6) is 4-5kg · f.
As a preferred embodiment of the invention, the pre-pressing time of the pong welding operation in the step (7) is 6S-8S, the welding current is 800A-900A, and the welding time is 2.5S-3.5S; and (5) in the step (8), the pre-pressing time of the pong welding operation is 6S-8S, the welding current is 800A-900A, and the welding time is 2.5S-3.5S.
As a preferred embodiment of the invention, the pressure of the press in the step (9) is 4-8 kg.f, and the size from the plane of the inner ring to the position of the copper ring is 85.7 +/-0.20.
As a preferred embodiment of the present invention, the breakdown strength of the 1S check in step (10) is 660 V.1S.
As a preferred embodiment of the invention, the environment temperature for adjusting the viscosity of the insulating paint in the step (11) is 0-40 degrees, the viscosity of the insulating paint is 25-125 seconds, the temperature of a front oven in the oven is 110-130 degrees, the temperature of a rear oven is 120-140 degrees, the paint dipping time is 100 seconds, and the stepping time is 120 seconds.
As a preferred embodiment of the invention, in the step (12), the size of the outer circle is phi 94.4 +/-0.027, and the outer circle run-out is less than or equal to 0.04; in the step (13), the position size of the collector ring is 85.5 +/-0.20, and the perpendicularity between the shaft and the plane of the ferrule is less than or equal to 0.04; in the step (14), the roughness of the outer circle of the collecting ring is less than or equal to 1.6, and the jumping of the copper ring is less than or equal to 0.04.
As a preferred embodiment of the present invention, the rotor assembly inspection in step (16) comprises the following steps: breakdown strength 660V · 1 s; the distance between the front fan and the rear fan is 69.5 +/-0.5; the excircle size phi is 94.4 plus or minus 0.027; the outer circle run-out is less than or equal to 0.04; the distance between the plane of the inner ferrule and the copper ring is 85.5 +/-0.20; the perpendicularity between the shaft and the plane of the ferrule is less than or equal to 0.04; the outer diameter phi of the copper ring is 23+ 0.20; the roughness of the copper ring is less than or equal to 1.6; the jumping of the copper ring is less than or equal to 0.04.
The invention has the beneficial effects that:
1. the manufacturing process is simple, the mounting accuracy is high, the assembly efficiency is high, and the qualified rate of finished products is improved;
2. the method has the advantages that the steps of pressure resistance inspection and rotor assembly inspection are provided, the types of inspection are various, the inspection is detailed, and possible problems can be found in the rotor manufacturing process in time, so that the quality of the rotor is improved, and the later-stage use safety is ensured;
3. in a plurality of press mounting steps, the coaxiality of the structure is accurately kept, and the depth of the punching groove is controlled, so that the installation of the rotor is ensured to meet the requirement, and the quality of the rotor is not influenced;
4. through the dynamic balancing step of the rotor, the balance of the rotor is adjusted, and the stability of the rotor in the use process is improved;
5. the stability of fan installation is improved by adjusting the pressure, current, time and the like of the pong welding operation, and the motor is favorable for fully playing the function of the fan in the use process;
6. through adjusting the viscosity, the drying temperature etc. of insulating varnish, improved the insulating properties on rotor subassembly surface, improved the life of motor.
Detailed Description
The present invention will be further described with reference to specific examples, but the scope of the present invention is not limited to these examples.
Example 1
Provided is a motor production process, including:
first, skeleton winding
1. Before operation, an operator can confirm the conformity of equipment, tools, detection devices, process files and products to be processed and record an equipment point inspection and operation condition confirmation record table, and formal operation can be carried out only after the operator confirms that the equipment, the tools, the detection devices, the process files and the products to be processed completely meet the requirements.
2. Before operation, an operator carries out digital comparison and evaluation on a digital screen of the winding machine, after the operation is qualified, the operation can be started, and an evaluation result is recorded in a counting disc period evaluation recording table.
3. And adjusting the digital screen data of the equipment to be zero.
4. The framework is placed in the middle of the framework winding die, the framework is installed on a main shaft of the equipment, the winding is carried out after the framework is fixed by a fastening nut, the number of turns of a winding is 390 +/-10, when the winding is wound to about 10 residual turns, the winding is carried out after a wire pressing belt is placed until the required number of turns is reached, the corresponding length is reserved until a lead wire is cut off, the wire pressing position is half of the position of a lead wire not exceeding the center position, the wire is stringed in the middle of the wire pressing belt, the wire pressing belt is pulled out and cut off, the lead wire is wound to a framework lug or. And after the digital screen of the winding machine becomes zero, the operation is carried out again.
5. And starting batch processing after the first piece is qualified.
Second, axle and front claw pole press mounting
1. Before operation, an operator can confirm the conformity of equipment, tools, detection devices, process files and products to be processed (shafts and claw poles) and record an equipment point inspection and operation condition confirmation record table, and formal operation can be carried out only after the equipment point inspection and operation condition confirmation record table is confirmed to be completely in accordance with the requirements.
2. And adjusting the press force to the specified requirement.
3. Putting a claw pole on a pressing tool, enabling a pole tip to face upwards, putting a rotor shaft into a claw pole inner hole to the bottom of the tool inner hole, (the claw pole is required to be aligned to a shaft groove when the shaft groove is formed), then dropping a punch into an outer circle of the shaft, starting a pressure switch of a press, enabling the pressure of the press to be 11 plus or minus 1 kg · f, enabling a press head of the press to press the middle of the punch, enabling the depth of a punching groove to be larger than or equal to 1mm, enabling the distance between a thread plane and the bottom surface of a front claw pole to be 49.5 plus or.
Thirdly, pressing and mounting the framework assembly
1. Before operation, an operator can confirm the conformity of equipment, tools, detection devices, process files and products to be processed (skeleton windings) and record an equipment point inspection and operation condition confirmation record table, and formal operation can be carried out only after the equipment point inspection and operation condition confirmation record table is confirmed to be completely in accordance with the requirements.
2. And (3) placing the framework assembly into the front claw pole magnet, aligning the leading-out wire hangers of the assembly with the claw tips of the front claw pole, pressing the assembly to the bottom of the claw pole magnet by hands, and completing press mounting of the assembly.
Four, rear claw pole press mounting
1. Before operation, an operator can confirm the conformity of equipment, tools, detection devices, process files and products to be processed (claw poles) and record an equipment point inspection and operation condition confirmation record table, and formal operation can be carried out only after the equipment point inspection and operation condition confirmation record table is confirmed to be completely in accordance with the requirements.
2. And adjusting the press force to the specified requirement.
3. Placing a front claw pole of the assembled skeleton assembly on a tool, aligning a claw tip of a rear claw pole to the middle of the skirt edge of the assembly, pressing down to a basic corresponding position by hand, placing a punch on the outer circle of a rotor shaft to the plane of the rear claw pole, knocking the front and rear claw poles by a nylon tool until the distance between the claw poles is less than or equal to 2mm, starting a pressure switch of a press, pressing the press at 11 +/-1 kg · f, pressing a press head at the middle position of the punch, pressing the punch down to the depth of a punching groove to be more than or equal to 1mm, and completing the press assembly.
Fifth, rotor dynamic balance
1. Before operation, an operator can confirm the conformity of equipment, tools, detection devices, process files and products to be processed (rotor assemblies) and record an equipment point inspection and operation condition confirmation record table, and formal operation can be carried out only after the equipment point inspection and operation condition confirmation record table is confirmed to be completely in accordance with the requirements.
2. The mark pen is used to draw lines with width of 5mm and length of 10-15mm at proper position of the product for speed acquisition.
3. And adjusting the position of the tool according to the product condition, and inputting the obtained data into equipment.
4. And putting the product on a tool, starting a motor, putting down a belt product, rotating, and starting dynamic balance operation.
5. And performing duplication eliminating operation according to the data of the display screen, and repeating the operation for several times until the operation meets the requirements.
Wherein, the stroke is 6-1.0/0mm, the residual unbalance is less than or equal to 1.4gcm, the weight removal of each hole occupies the hole depth of less than or equal to 6mm, and each claw does not exceed 3 holes.
Sixth, press the inner race
1. Before operation, an operator can deal with equipment, tools, detection devices, process files and products to be processed (rotor assemblies completing unbalance calibration, inner ring phi 26 multiplied by 17.2 multiplied by 6.2) to confirm the conformity and record an equipment point inspection and operation condition confirmation record table, and formal operation can be carried out only after the complete conformity is confirmed.
2. And placing the assembly on a base, placing an inner ferrule, sleeving a pressure head on the assembly, and starting press fitting, wherein the pressure of the pressure head is 4-5kg · f.
Seven, pang front fan
1. Before operation, an operator can confirm the conformity of equipment, tools, detection devices, process files and products to be processed (front fans) and record an equipment point inspection and operation condition confirmation record table, and formal operation can be carried out only after the equipment point inspection and operation condition confirmation record table is confirmed to be completely in accordance with the requirements.
2. And adjusting the prepressing time, the welding current and the welding time. The pre-pressing time is 6S-8S, the welding current is 800A-900A, and the welding time is 2.5S-3.5S.
3. Put into the frock middle with the part, press from both sides the part tightly, put into the front fan, with the special fixture location back, carry out the pang and weld the operation. The direction is as follows: reserve the chuck and place the position, pang welds intensity: no cold solder joint, and deep color of solder joint.
4. And withdrawing the clamping device, taking out the part and putting the part on a turnover vehicle.
Eight, table tennis back fan
1. Before operation, an operator can confirm the conformity of equipment, tools, detection devices, process files and products to be processed (rear fans) and record an equipment point inspection and operation condition confirmation record table, and formal operation can be carried out only after the equipment point inspection and operation condition confirmation record table is confirmed to be completely in accordance with the requirements.
2. The skin is adjusted to just meet the welding time and heat. Pre-pressing time is 6S-8S; welding current is 800A-900A; the welding time is 2.5S-3.5S.
3. Put into the frock middle with the part, press from both sides the part tightly, put into the back fan, put the skeleton lead wire in back fan lead wire position, the lead wire that flattens in the back fan of take-up, put in relevant position with fan chuck behind the pang, carry out the pang and weld the operation. The direction is as follows: reserving a chuck placing position; and (3) the pong welding strength: no cold solder joint, and deep color of solder joint.
4. And withdrawing the clamping device, taking out the part and putting the part on a turnover vehicle.
Ninth, collecting ring press mounting
1. Before operation, an operator can confirm the conformity of equipment, tools, detection devices, process files and products to be processed (collecting rings) and record an equipment point inspection and operation condition confirmation record table, and formal operation can be carried out only after the equipment point inspection and operation condition confirmation record table is confirmed to be completely in accordance with the requirements.
2. And adjusting the pressure of the press to the specified requirement. The pressure of the press is 4-8 kg.f
3. And adjusting the press-fitting stroke to the specified requirement. The size from the plane of the inner ring to the position of the copper ring is 85.7 +/-0.20.
4. And (3) placing the assembly subjected to the table tennis welding on a press-fitting base, placing a collecting ring and sleeving a corresponding tool, starting a press, stepping down a switch, performing press-fitting in place, and performing batch production after the self-inspection is qualified.
Ten, solder and withstand voltage inspection
1. Before operation, an operator can confirm the conformity of equipment, tools, detection devices, process files and products to be processed (rotor assemblies) and record an equipment point inspection and operation condition confirmation record table, and formal operation can be carried out only after the equipment point inspection and operation condition confirmation record table is confirmed to be completely in accordance with the requirements.
2. And cutting off the rest part of the winding lead wire as required, and sleeving the insulating sleeve.
4. The lead is stripped to the proper position and wound onto the collector ring bonding pad.
5. Soldering tin (CB125 phi 1.6) by using a 200W electric soldering iron.
6. And (3) withstand voltage test: and adjusting the voltage of the dielectric breakdown device to 660V, placing one end of the device on the excircle of the claw pole, placing the other end of the device on a collector ring copper ring for 1s to check whether the collector ring is insulated or not, and whether the framework winding and the claw pole are in short circuit or not. Breakdown strength: 660V 1S has no breakdown and is short-circuited. Appearance of welding spots: uniform and no cold solder joint.
7. The excess thread ends are removed and placed on a transfer cart.
Eleven, rotor assembly insulation treatment
1. Before operation, an operator can confirm the conformity of equipment, tools, detection devices, process files and products to be processed (rotor assemblies) and record an equipment point inspection and operation condition confirmation record table, and formal operation can be carried out only after the equipment point inspection and operation condition confirmation record table is confirmed to be completely in accordance with the requirements.
2. And (4) configuring the viscosity of the insulating paint. The viscosity of the insulating paint is adjusted to be 25S-125S at the environment temperature of 0-40 degrees.
3. The position of the paint groove and the paint supply amount are adjusted.
4. The oven temperature was started and adjusted. Oven temperature: the front oven is 110-130 degrees; and the rear oven is 120-140 degrees.
5. The assembly was loaded into a rotor fixture and secured.
6. And when the drying oven reaches the specified temperature, setting the paint dipping time of 100s and the stepping time of 120s, and normally operating the paint dipping program. Appearance: the insulating paint is uniformly distributed, no paint is hung, and no residual paint is left on the surface of the shaft.
Twelve, rotor component excircle turning
1. Before operation, an operator can confirm the conformity of equipment, tools, detection devices, process files and products to be processed and record an equipment point inspection and operation condition confirmation record table, and formal operation can be carried out only after the operator confirms that the equipment, the tools, the detection devices, the process files and the products to be processed completely meet the requirements.
2. Sleeving a process ferrule on a front end shaft of the assembly, placing the front end shaft of the assembly in the middle of a phi 17 numerical control three-jaw device, clamping the assembly shaft, adjusting the position of a tailstock, and propping against a central hole of a rear shaft of the assembly.
3. And fixing the turning tool on a tool rest of the equipment, and aligning the height of the turning tool to the center of a workpiece shaft.
4. And adjusting the rotating speed of the lathe to a specified value, inputting the component machining numerical value into the equipment database, and starting the lathe to carry out machining operation. The excircle size phi is 94.4 plus or minus 0.027, and the excircle runout is less than or equal to 0.04.
5. After the turning is finished, the outer circle of the rotor assembly is coated with anti-rust oil, and the outer circle of the rotor is coated with anti-rust paint uniformly and without dripping and is placed on a turnover vehicle.
Thirteen-ferrule plane turning
1. Before operation, an operator can confirm the conformity of equipment, tools, detection devices, process files and products to be processed and record an equipment point inspection and operation condition confirmation record table, and formal operation can be carried out only after the operator confirms that the equipment, the tools, the detection devices, the process files and the products to be processed completely meet the requirements.
2. And adjusting the positions of the clamp, the tip and the tool nose. And fixed well.
3. And the rotor assembly is placed in a second tip of the equipment, the tightness is moderate, and the split ring is in the position size of the collector ring.
Fourteen-step trolley ring turning
1. Before operation, an operator can confirm the conformity of equipment, tools, detection devices, process files and products to be processed (rotor assemblies) and record an equipment point inspection and operation condition confirmation record table, and formal operation can be carried out only after the equipment point inspection and operation condition confirmation record table is confirmed to be completely in accordance with the requirements.
2. The positions of the clamp, the tip and the tool nose are adjusted and fixed.
3. And placing the rotor assembly in a second center of the machine tool, adjusting the tightness to 1280r/min, and performing finish machining on the excircle of the collecting ring. The position size of the collecting ring is 85.5 +/-0.20; the verticality between the shaft and the plane of the ferrule is less than or equal to 0.04.
Fifteen, applying anti-rust oil
1. Before operation, an operator can confirm the conformity of equipment, tools, detection devices, process files and products to be processed and record an equipment point inspection and operation condition confirmation record table, and formal operation can be carried out only after the operator confirms that the equipment, the tools, the detection devices, the process files and the products to be processed completely meet the requirements.
2. And (3) coating rust preventive oil F20-1 on front and rear bearing blocks of the rotor by using a brush. The antirust paint is uniform and has no dripping.
Sixthly, rotor assembly inspection
Breakdown strength 660V · 1 s; the distance between the front fan and the rear fan is 69.5 +/-0.5; the excircle size phi is 94.4 plus or minus 0.027; the outer circle run-out is less than or equal to 0.04; the distance between the plane of the inner ferrule and the copper ring is 85.5 +/-0.20; the perpendicularity between the shaft and the plane of the ferrule is less than or equal to 0.04; the outer diameter phi of the copper ring is 23+ 0.20; the roughness of the copper ring is less than or equal to 1.6; the jumping of the copper ring is less than or equal to 0.04.
In conclusion, the motor production process disclosed by the invention has the advantages that the manufactured motor is high in precision, meets the requirement of high quality, prolongs the service life of the motor, and is better in safety and better in sustainable development.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (1)
1. A motor production process is characterized by comprising the following steps:
(1) winding a framework: placing a framework in the middle of a framework winding mold, installing the framework on a main shaft of equipment, fixing the framework by using a fastening nut, winding, wherein the number of turns of a winding is 390 +/-10, when winding is carried out to the rest 10 turns, winding to the required number of turns after a wire pressing belt is placed, cutting after a corresponding length is reserved until a lead wire is cut, stringing the wire in the middle of the wire pressing belt, drawing and pressing the wire pressing belt to cut, sleeving an insulating sleeve, and winding the lead wire to a framework hanging lug or a hanging lug hole to obtain a framework assembly;
(2) and (3) pressing a shaft and a front claw: putting a claw pole on a compaction tool, enabling the pole tip to face upwards, putting a rotor shaft into an inner hole of the claw pole to the bottom of the inner hole of the compaction tool, then enabling a punch to fall into the outer circle of the shaft, starting a pressure switch of a press, enabling a press head of the press to press the middle of the punch, enabling the pressure of the press to be 11 plus or minus 1 kg · f, enabling the depth of a punching groove to be 1-2mm, enabling the distance from a thread plane to the bottom surface of the front claw pole to be 49.5 plus or minus 0.15mm, enabling the depth of the punching groove to be more than or equal to 1mm, and obtaining the front;
(3) and (3) pressing the framework assembly: placing the framework assembly into the front claw pole magnet, aligning the framework hanging lug with a claw tip of the front claw pole, and pressing the framework assembly to the bottom of the claw pole magnet to obtain a front claw pole with the framework assembly pressed;
(4) and (3) pressing a rear claw pole: placing the front claw pole of the well pressed skeleton assembly on a tool, aligning the claw tip of the rear claw pole to the middle of the skirt edge of the skeleton assembly, then pressing downwards, placing a punch on the plane from the excircle of the rotor shaft to the rear claw pole, knocking the front and rear claw poles by a nylon tool until the distance between the front and rear claw poles is less than or equal to 2mm, starting a pressure switch of a press, pressing a pressing head of the press at the middle position of the punch, wherein the pressure of the press is 11 +/-1 kg · f, the distance difference between the claw poles is less than or equal to 2mm, the depth of a punching groove is 1-2mm, pressing the punch down to the depth of the punching groove is more than or equal to 1mm, and;
(5) rotor dynamic balance: drawing lines with the width of about 5mm and the length of 10-15mm on the part by using a marking pen for equipment speed acquisition, putting the part on a tool, starting a motor, putting down a belt, rotating the part, starting dynamic balance operation, performing weight removal operation according to display screen data, and repeating the operation for many times until the requirements are met;
(6) pressing an inner ferrule: placing the part on a base, placing an inner ferrule, sleeving a pressure head on the inner ferrule, and starting press fitting, wherein the pressure of the press is 4-5 kg.f;
(7) fan before table tennis: placing the part in the middle of a tool, clamping the part, placing a front fan, positioning, and then performing a pong welding operation, wherein the pre-pressing time of the pong welding operation is 6S-8S, the welding current is 800A-900A, and the welding time is 2.5S-3.5S, and after the part is installed, taking out the part and placing the part on a turnover vehicle;
(8) fan after table tennis: placing the part in the middle of a tool, clamping the part, placing a rear fan, placing a framework lead in the lead position of the rear fan, tensioning and flattening the lead on the rear fan, placing a back fan chuck in a corresponding position by using a back-pong fan, and performing back-pong welding operation, wherein the pre-pressing time of the back-pong welding operation is 6S-8S, the welding current is 800A-900A, and the welding time is 2.5S-3.5S, and after the installation is finished, taking out the part and placing the part on a turnover vehicle;
(9) and (3) pressing a collecting ring: placing the assembly subjected to the pong welding on a press-mounting base, placing a collecting ring, sleeving a tool, starting a press, wherein the pressure of the press is 4-8kg · f, the size from the plane of an inner ring to the position of a copper ring is 85.7 +/-0.20 mm, and stepping down a switch to press-mount the assembly in place;
(10) soldering and pressure resistance inspection: cutting off the rest part of the winding lead as required, sleeving an insulating sleeve, stripping paint from a lead head, winding the lead head to a collector ring welding sheet, and soldering tin by using a 200W electric soldering iron; adjusting the voltage of the dielectric breakdown device to 660V, placing one end of the device on the excircle of the claw pole, placing the other end of the device on a copper ring of a collector ring for 1S to check whether the collector ring is insulated, wherein the breakdown strength of the 1S check is 660V & 1S, and whether a framework winding and the claw pole are in short circuit or not, removing redundant wire ends and placing the framework winding on a turnover vehicle;
(11) insulating treatment of a rotor assembly: preparing the viscosity of insulating paint, wherein the environment temperature for adjusting the viscosity of the insulating paint is 0-40 ℃, the viscosity of the insulating paint is 25S-125S, the position of a paint groove and the paint supply amount are adjusted, the temperature of an oven is started and adjusted, the temperature of the front oven in the oven is 110-130 ℃, the temperature of a rear oven is 120-140 ℃, the assembly is arranged in a rotor clamp and fixed, when the temperature of the oven reaches the specified temperature, the paint dipping time and the stepping time are set, the paint dipping time is 100S, the stepping time is 120S, and the paint dipping program normally runs;
(12) turning the outer circle of the rotor assembly: sleeving a process ferrule on a front end shaft of the assembly, placing the front end shaft of the assembly in the middle of a phi 17mm numerical control three-jaw device, fixing a turning tool on a tool rest of the device, aligning the height of the turning tool to the center of a workpiece shaft, starting a lathe to perform turning operation, and after the turning operation is finished, applying antirust oil on the outer circle of a rotor assembly and placing the rotor assembly on a turnover vehicle, wherein the size of the outer circle is phi 94.4 +/-0.027 mm, and the excircle runout is less than or equal to 0.04;
(13) and (3) machining a ferrule plane: adjusting the positions of the clamp, the tip and the tool tip, fixing, placing the rotor assembly in a second tip of the equipment, splitting the ring to the position size of a collecting ring, wherein the position size of the collecting ring is 85.5 +/-0.20 mm, the perpendicularity between a shaft and the plane of the ring is less than or equal to 0.04, the roughness of the excircle of the collecting ring is less than or equal to 1.6, and the runout of a copper ring is less than or equal to 0.04;
(14) turning a collecting ring: adjusting the positions of the clamp, the center and the tool tip, fixing, placing the rotor assembly in a second center of the machine tool, adjusting the rotating speed to 1280r/min, and performing finish machining on the excircle of the collecting ring;
(15) applying antirust oil: coating anti-rust oil on front and rear bearing blocks of the rotor by using a brush;
(16) and (3) rotor assembly inspection: breakdown strength 660V · 1 s; the distance between the front fan and the rear fan is 69.5 +/-0.5; the excircle size phi is 94.4 plus or minus 0.027 mm; the outer circle run-out is less than or equal to 0.04; the distance from the plane of the inner ferrule to the copper ring is 85.5 +/-0.20 mm; the perpendicularity between the shaft and the plane of the ferrule is less than or equal to 0.04; the outer diameter phi of the copper ring is 23+0.20 mm; the roughness of the copper ring is less than or equal to 1.6; the jumping of the copper ring is less than or equal to 0.04.
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| CN112350532B (en) * | 2020-12-10 | 2022-08-23 | 张家界航空工业职业技术学院 | Production process of anti-fatigue V3 motor |
| CN113965027A (en) * | 2021-10-08 | 2022-01-21 | 无锡益盛汽车电机有限公司 | Manufacturing process of motor |
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| CN1175112A (en) * | 1997-08-21 | 1998-03-04 | 中国贵航集团贵阳电机厂 | Projection welding process method for integrated claw pole and fan assembled by generator rotor |
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| CN108448836A (en) * | 2018-04-19 | 2018-08-24 | 江苏江南电机有限公司 | A kind of automobile generator rotor assembly technology |
| CN108471203A (en) * | 2018-04-21 | 2018-08-31 | 芜湖德力电机有限公司 | A kind of production technology of dc motor |
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| CN1175112A (en) * | 1997-08-21 | 1998-03-04 | 中国贵航集团贵阳电机厂 | Projection welding process method for integrated claw pole and fan assembled by generator rotor |
| CN103618415A (en) * | 2013-12-01 | 2014-03-05 | 张学义 | Production method of claw pole excitation generator with brush |
| CN106208567A (en) * | 2016-09-23 | 2016-12-07 | 常州市诚利电子有限公司 | The production technology of p-m step motor |
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