CN108880134B - Permanent magnet motor assembly production line - Google Patents
Permanent magnet motor assembly production line Download PDFInfo
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- CN108880134B CN108880134B CN201810937723.2A CN201810937723A CN108880134B CN 108880134 B CN108880134 B CN 108880134B CN 201810937723 A CN201810937723 A CN 201810937723A CN 108880134 B CN108880134 B CN 108880134B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The permanent magnet motor assembly production line comprises a stator assembly section, a rotor assembly section and a final assembly section; the stator assembly transmission line of stator assembly section is equipped with in proper order along the way: the device comprises a stator paper inserting machine, an embedding and expanding integrated machine, a stator wire feeding buffer table, a coil shaping table, a first paint stripping table, a star point extrusion table, a binding table, a final shaping table, a paint dipping table, a sampling table, a stator air cooling channel, a second paint stripping table and a stator transferring preparation table; the rotor assembly section includes rotor assembly transmission line, rotor assembly transmission line is equipped with in proper order along the way: automatic insert magnet steel and glue dripping all-in-one, drying-machine, income axle machine, rotor line buffer table, nut pretension workstation, automatic screw cap machine, screw rod dismantlement workstation, dynamic balance adjustment workstation, first bearing press-in machine, autogiration workstation, second bearing press-in machine, rear end cover press-in workstation and rotor transport preparation platform. The invention has the advantages of good integration and man-machine interaction operability, saves manpower and reduces cost.
Description
Technical Field
The invention relates to the technical field of motor automatic production and assembly, in particular to a permanent magnet motor assembly production line.
Background
The motor is an electric energy driving device which is widely applied at present, is widely applied to various electrical equipment, and with the continuous development of economy, the productivity and the quality of the motor become bottlenecks for restricting the industries of various electrical appliances. In recent years, the power electronics technology, the microelectronic technology, the novel motor control theory and the rare earth permanent magnet material are effectively developed, and preconditions are provided for the rapid development and popularization and application of the permanent magnet synchronous motor with the obvious advantages of less loss, high efficiency, good electricity saving effect and the like.
Compared with the traditional electrically excited synchronous motor, the permanent magnet synchronous motor mainly performs manual operation at present aiming at the press mounting, gasket and aging performance test of the bearing and the end cover. However, the manual assembly and testing of motors has two significant technical drawbacks. The first is that the experience requirement of the manual assembly and the test on operators is extremely high, the conditions of wrong assembly, neglected assembly and eccentric assembly often occur during the assembly, and the phenomena of misjudgment and inaccurate data often occur during the test. Secondly, the speed of the manual assembly and the test is slower, and the machining efficiency of the motor is seriously reduced, so that the manual assembly and the test in the motor machining process not only can influence the productivity of the motor, but also can increase the manufacturing cost of the motor.
Because the motor production line assembled by manual operation has large occupied area, low automation degree, high production cost and low production efficiency, many factories take full-automatic production as a research target, but because many assembly operation requirements are finer, the same effect is difficult to realize by mechanical automation operation, and the difficulty of researching and developing the automation machinery is extremely high, the cost is much higher than the cost of manual operation, so that how to reasonably configure the manual operation station under the condition of expanding the automation range becomes the research direction for a period of time in the future.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a permanent magnet motor assembly production line. The invention has good integration, integrates three production lines of rotor, stator and assembly, saves the scheduling time of finished products of the three production lines, and is convenient for matching the production rate of products on each production line; the mode of combining manual operation and automatic mechanical operation is adopted, so that the integral automation degree of the production line is improved, the manpower is effectively saved, and the cost is reduced; part of the processing process is integrated into the assembly process, so that the positioning accuracy is higher, and the production convenience is improved.
The technical scheme of the invention is as follows: the permanent magnet motor assembly production line comprises a final assembly section, a stator assembly section and a rotor assembly section, wherein the stator assembly section and the rotor assembly section are used for conveying a stator and a rotor for the final assembly section; the stator assembly section includes stator assembly transmission line, stator assembly transmission line is equipped with in proper order along the way: the device comprises a stator paper inserting machine, an embedding and expanding integrated machine, a stator wire feeding buffer table, a coil shaping table, a first paint stripping table, a star point extrusion table, a binding table, a final shaping table, a paint dipping table, a sampling table, a stator air cooling channel, a second paint stripping table and a stator transferring preparation table; the rotor assembly section includes rotor assembly transmission line, rotor assembly transmission line is equipped with in proper order along the way: the automatic magnetic steel inserting and glue dripping integrated machine, the dryer, the shaft entering machine, the rotor wire feeding buffer table, the nut pre-tightening workbench, the automatic nut screwing machine, the screw disassembling workbench, the dynamic balance adjusting workbench, the first bearing pressing machine, the automatic rotating workbench, the second bearing pressing machine, the rear end cover pressing workbench and the rotor transferring preparation table; the assembly section comprises an assembly transmission line, and the assembly transmission line is sequentially provided with: the device comprises a shell storage area, a shell upper line buffer table, an intermediate frequency heating table, a stator shell entering table, a shell air cooling channel, a shell water cooling table, a jackscrew processing table, a screw tightening table, an air tightness detection table, a wire end processing table, a first shell overturning table, a front end cover compacting table, a second shell overturning table, a rotor shell entering table, a third shell overturning table, an end cover fixing table, a rotary flange and rotary rotor mounting table, a rotary stator and Hall cover mounting table, a junction box and waterproof joint mounting table, a wire stripping and pressing table, an aviation plug and contact pin mounting table, a ground power frequency withstand voltage and insulation resistance testing table, a zero setting table, a hand brake disc and hand brake wire mounting table, an assembly completion table and a product storage area;
The assembly section is connected with the stator assembly section through a stator transferring preparation table and a transferring stator manipulator arranged between the stator shell entering tables; the assembly section is connected with the rotor assembly section through a rotor transferring preparation table and a transferring rotor manipulator arranged between the rotor shell entering tables.
Compared with the prior art, the permanent magnet motor assembly production line has the following steps:
(1) The integration is good, three relatively independent production lines of stator assembly, rotor assembly and assembly are integrated into one production line with branches through the connection of the transfer manipulator, the production flow is optimized, the scheduling time of finished products of the three production lines is saved, the production rate of products on each production line is adjusted, and resource waste caused by mismatching of the output is avoided;
(2) The mode of combining manual operation and automatic mechanical operation is adopted, so that the integral automation degree of the production line is improved, the manpower is effectively saved, and the cost is reduced;
(3) And part of the machining process is integrated into the assembly process, for example, a jackscrew machining table is used for machining a threaded hole for the motor shell, so that the machining process in the process of producing the motor shell is reduced, the machining is completed under the assembly condition, the positioning accuracy is higher, and the production convenience is improved.
As optimization, a coil winding detection table is arranged between the embedding and expanding integrated machine and the stator winding buffer table; an enamelled wire paint stripping detection table is arranged between the first paint stripping table and the star point extrusion table; a shaping detection table is arranged between the final shaping table and the paint dipping table; and a paint dipping detection table is arranged between the stator air cooling channel and the second paint peeling table. The arrangement of the detection table can timely detect whether the previous working procedure is qualified or not, qualified products enter the next working procedure through detection, unqualified products are removed, so that the product quality is guaranteed, and waste is avoided.
As optimization, stator and coil storage areas are arranged at the initial end of the stator assembly section, and a transferring stator manipulator is arranged between the coil storage areas and the stator paper inserting machine and between the embedding and expanding integrated machine and the stator wire feeding buffer table. As optimization, the initial end of the rotor assembly section is provided with a rotor storage area, and a transferring rotor manipulator is arranged between the rotor storage area and the automatic magnetic steel inserting and dripping integrated machine. As optimization, a transferring machine shell manipulator is arranged between the machine shell storage area and the machine shell on-line buffer table and between the assembly completion table and the product storage area. The transfer manipulator can be convenient for transfer heavy or unsuitable manual transport's product to specific position, has improved the uniformity of transfer precision and product placement position.
As optimization, unqualified stator picking manipulators are arranged at the rear of the shaping detection table and the paint dipping detection table; an unqualified rotor picking manipulator is arranged behind the dynamic balance adjusting workbench in a conveying way; and a picking manipulator for unqualified shells is arranged behind the air tightness detection table. Unqualified product sorting manipulator can be convenient for transport the unqualified product that is heavier or unsuitable manual transport from the assembly transmission line to unqualified product storage area, has improved conveying efficiency and selection accuracy, has reduced the cost of labor.
As optimization, the turnover angle of the first shell around the motor is 180 degrees, the turnover angle of the second shell around the motor is 90 degrees, and the turnover angle of the third shell around the motor is 180 degrees. Realize the automatic upset of casing, prevent to lead to by artifical upset the inaccurate of putting, influence the uniformity of assembly.
In the stator assembly section, a coil winding detection table, a stator wire-feeding buffer table, a coil shaping table, a first paint stripping table, an enamelled wire paint stripping detection table, a star extrusion table, a binding table, a final shaping table, a shaping detection table, a paint dipping detection table and a second paint stripping table are manually operated, and a stator paper inserting machine, an embedding and expanding integrated machine, a paint dipping table, a sampling table, a stator air cooling channel, a stator transferring preparation table, a transferring stator manipulator and a disqualified stator sorting manipulator are automatically operated; in the rotor assembly section, the positions of a shaft inserting machine, a nut pre-tightening workbench, a screw disassembling workbench, a dynamic balance adjusting workbench and a rear end cover pressing-in workbench are manually operated, and the positions of an automatic magnetic steel inserting and glue dripping integrated machine, a dryer, a rotor on-line buffer table, an automatic nut screwing machine, a first bearing pressing-in machine, an automatic rotating workbench, a bearing pressing-in machine, a rotor transferring preparation table, a transferring rotor manipulator and a disqualified rotor sorting manipulator are automatically operated; in the final assembly section, a screw tightening table, an air tightness detection table, a thread end processing table, a front end cover pressing table, an end cover fixing table, a rotary flange and rotary rotor mounting table, a rotary stator and Hall cover mounting table, a junction box and waterproof joint mounting table, a wire stripping and pressing table, an aviation plug and contact pin mounting table, a ground power frequency withstand voltage and insulation resistance testing table, a zeroing table, a hand brake disc and a hand brake wire mounting table are manually operated, and a machine shell storage area, a machine shell wire feeding buffer table, an intermediate frequency heating table, a stator feeding table, a machine shell air cooling channel, a machine shell water cooling table, a jackscrew processing table, a first machine shell overturning table, a second machine shell overturning table, a rotor feeding table, a third machine shell overturning table, an assembly completion table, a product storage area, a machine shell transferring manipulator and a disqualified machine shell sorting manipulator are automatically operated. The manual and mechanical operation combined mode is adopted, the repeated simple operation is given to the machine, the assembly consistency is improved, the manual operation workload is greatly reduced, the complex and inconvenient mechanical operation and the low repeated working procedures are still operated by the manual operation, the product quality is ensured, and the cost for researching and developing the alternative automatic machine is reduced.
As optimization, the shell water cooling table comprises a rack, a conveying device, a pressing mechanism and a cooling mechanism; the conveying device comprises a conveying rail which passes through the frame and a conveying plate which is arranged on the conveying rail and used for placing a motor shell; the pressing mechanism comprises a lower pressing mechanism and an upper pressing mechanism, the lower pressing mechanism is positioned below the conveying plate and provided with an upward movement to jack up the conveying plate, and the upper pressing mechanism is positioned above the conveying track of the motor casing and opposite to the lower pressing mechanism and provided with a downward movement to press the motor casing; the cooling mechanism comprises a cooling input mechanism and a cooling output mechanism, and the cooling input mechanism and the cooling output mechanism are installed on the installation frame. The motor shell is conveyed to a station through a conveying device, is pressed and positioned by a pressing mechanism, and is cooled by a cooling mechanism; the motor shell is provided with a cooling water channel for cooling, wherein the cooling input mechanism and the cooling output mechanism are respectively communicated with two ends of the cooling water channel, a water pump of the water chiller feeds water to one end of the cooling water channel through the cooling input mechanism, and the cooling water flows out of the other end and is communicated and flows back to the recovery water tank through the cooling output mechanism, so that the motor shell is rapidly cooled; after the motor shell is cooled to the usable temperature, the water pump of the water chiller is switched to the air blowing valve, so that residual cooling water in the cooling water channel is dried, and the cooling effect is further achieved.
As optimization, the cooling input mechanism comprises a first telescopic rod, a first floating rod and a first contact head which are sequentially connected, wherein the first telescopic rod is driven by a first telescopic cylinder to have telescopic action, and the first contact head has action of approaching to or separating from a motor shell under the telescopic action of the first telescopic rod; the cooling output mechanism comprises a second telescopic rod, a second floating rod and a second contact head which are sequentially connected, the second telescopic rod is driven by a second telescopic cylinder to have telescopic action, and the second contact head is provided with action approaching to or far from the motor shell under the telescopic action of the second telescopic rod. By adopting the cylinder driving, as the cooling channel needs to be ventilated, the telescopic control can be realized by only adding the pipeline connected to the cylinder and the air valve, compared with the mode of adopting the cylinder driving, the telescopic action is more stable, the abutting force is larger during the abutting joint,
as an optimization, the first floating rod is provided with two adjusting actions moving in the vertical directions perpendicular to the extending and contracting direction of the first telescopic rod, and one end close to the motor shell is provided with an adjusting action of twisting and tilting around; the second floating rod is provided with an adjusting action of moving in two vertical directions perpendicular to the extending and contracting direction of the second telescopic rod, and one end close to the motor shell is provided with an adjusting action of twisting and tilting around. The adjustment actions in the two vertical directions of the first floating rod and the second floating rod can be adjusted when the positions are offset, and the adjustment actions of the torsion inclination can be adjusted when the angles are deviated.
As an optimization, a runner exists inside the first contact head and the second contact head; after the cooling input mechanism and the cooling output mechanism are installed, the first contact head and the second contact head are aligned with the water inlet and the water outlet on the motor shell respectively, and the first contact head and the second contact head are attached and sealed with the water inlet and the water outlet on the motor shell after extending out and are communicated with a cooling flow channel of the motor shell. Further, as optimization, the surfaces of the joint of the first contact head and the second contact head and the motor shell adopt high-temperature-resistant foaming silica gel as a material. The first contact and the second contact are made of high-temperature-resistant foaming silica gel materials, can be better attached to the water inlet and the water outlet of the motor shell, and have the sealing and heat-resistant effects.
As optimization, a water inlet is formed in the side part of the first contact head, and a water outlet is formed in the side part of the second contact head; and the cooling input mechanism is also provided with an air inlet communicated with the internal flow passage of the first contact. When the water pump is used, the water inlet is connected to the water pump of the water chiller, the water outlet is connected to the recovery water tank, and the air inlet is connected to the air blowing valve.
Drawings
FIG. 1 is a schematic diagram of a permanent magnet motor assembly line of the present invention;
fig. 2 is a schematic structural view of a first section of a stator assembly section of the permanent magnet motor assembly line of the present invention;
FIG. 3 is a schematic view of a second section of a stator assembly section of a permanent magnet motor assembly line of the present invention;
fig. 4 is a schematic structural view of a third section of the stator assembly section of the permanent magnet motor assembly line of the present invention;
fig. 5 is a schematic structural view of connection between a stator assembly section and a final assembly section of the permanent magnet motor assembly line of the present invention;
FIG. 6 is a schematic view of a second section of the final assembly line of the permanent magnet motor assembly line of the present invention;
FIG. 7 is a schematic structural view of the connection of the assembly section and the rotor assembly section of the permanent magnet motor assembly line of the present invention;
fig. 8 is a schematic structural view of a third section of the assembly section of the permanent magnet motor assembly line of the present invention;
FIG. 9 is a schematic view of a first section of a rotor assembly section of a permanent magnet motor assembly line of the present invention;
FIG. 10 is an assembly flow chart of the permanent magnet motor assembly line of the present invention;
FIG. 11 is a schematic diagram of a water cooling table of a housing of a permanent magnet motor assembly line according to the present invention;
FIG. 12 is a front view of a housing water cooling station of the permanent magnet motor assembly line of the present invention;
FIG. 13 is a front view of a cooling input mechanism of a shell water cooling stage of a permanent magnet motor assembly line of the present invention;
fig. 14 is a front view of a cooling output mechanism of a shell water cooling table of a permanent magnet motor assembly line of the present invention.
The marks in the drawings are:
the device comprises an A-stator assembly section, an A0-stator assembly transmission line, an A1-stator paper inserting machine, an A2-embedding and expanding integrated machine, an A3-stator wire feeding buffer table, an A4-coil winding detection table, an A5-coil shaping table, an A6-first paint stripping table, an A7-enamelled wire paint stripping detection table, an A8-star extrusion table, an A9-binding table, an A10-final shaping table, an A11-shaping detection table, an A12-paint dipping table, an A13-sampling table, an A14-stator air cooling channel, an A15-paint dipping detection table, an A16-second paint stripping table, an A17-stator transfer preparation table, an A18-transfer stator manipulator and an A19-disqualified stator picking manipulator; b-final assembly, B0-final assembly transmission line, B1-shell storage area, B2-shell upper line buffer table, B3-intermediate frequency heating table, B4-stator shell entering table, B5-shell air cooling channel, B6-shell water cooling table, B7-jackscrew processing table, B8-screw tightening table, B9-air tightness detection table, B10-wire end processing table, B11-first shell overturning table, B12-front end cover compressing table, B13-second shell overturning table, B14-rotor shell entering table, B15-third shell overturning table, B16-end cover fixing table, B17-rotating flange and rotating rotor installing table, B18-rotating stator and Hall cover installing table, B19-junction box and waterproof connector installing table, B20-wire stripping pressing table, B21-inserting and inserting needle installing table, B22-ground power frequency and insulation resistance testing table, B23-zeroing table, B24-hand brake disc and hand brake installing table, B25-hand brake disc and hand brake installing table, B26-hand brake installing table, B27-hand brake disc and B28-hand brake installing table, and finishing the mechanical shell storage area and the mechanical shell storage area is not qualified; the automatic rotor assembling and glue dropping machine comprises a C-rotor assembling section, a C0-rotor assembling transmission line, a C1-automatic magnetic steel inserting and glue dropping integrated machine, a C2-dryer, a C3-shaft entering machine, a C4-rotor line feeding buffer table, a C5-nut pre-tightening workbench, a C6-automatic nut screwing machine, a C7-screw disassembling workbench, a C8-dynamic balance adjusting workbench, a C9-first bearing pressing machine, a C10-automatic rotating workbench, a C11-second bearing pressing machine, a C12-rear end cover pressing workbench, a C13-rotor transferring preparation table, a C14-transferring rotor manipulator and a C15-disqualified rotor picking manipulator;
1-rack, 2-conveyer, 21-delivery track, 22-delivery plate, 3-hold-down mechanism, 31-hold-down mechanism, 32-up hold-down mechanism, 4-cooling mechanism, 41-cooling input mechanism, 411-first telescopic link, 412-first floating link, 413-first contact, 4131-water inlet, 414-air inlet, 42-cooling output mechanism, 421-second telescopic link, 422-second floating link, 423-second contact, 4231-water outlet, 5-mounting bracket, 6-first telescopic cylinder, 7-second telescopic cylinder, 8-motor casing.
Detailed Description
The invention is further illustrated by the following description of the drawings and specific embodiments (examples), which are presented herein for purposes of illustration only and not as a definition of the limits of the invention.
The equipment used in each station in the invention is commercially available products which can be purchased from the market or is commonly used in the field unless otherwise specified. Wherein, the automatic magnetic steel inserting and glue dripping integrated machine C1 can adopt the product with the model XD/300-CCDJ produced by Zhejiang giant dragon automation equipment limited company of the applicant; the first paint stripping station A6 and the second paint stripping station A16 can adopt products with the model number XD/300-DX1-200 manufactured by Zhejiang huge dragon automation equipment limited company of the applicant; the first bearing press-in machine C9 and the second bearing press-in machine C11 can be products with the model numbers XD/300-ZY-1 and XD/300-ZY-2 manufactured by Zhejiang huge dragon Automation equipment Co Ltd; the automatic nut screwing machine C6 can adopt the product with the model number of XD/300-SN300 manufactured by Zhejiang huge dragon Automation equipment limited company of the applicant; the stator paper inserting machine A1 can adopt the product with the model of XD/300-DFC-1W manufactured by Zhejiang huge dragon Automation equipment limited company of the applicant of the invention; the jackscrew processing station B7 can be manufactured by Zhejiang huge dragon Automation equipment Co., ltd.
Examples:
referring to fig. 1 to 9, the permanent magnet motor assembly line of the present invention includes a final assembly section B, and a stator assembly section a and a rotor assembly section C for conveying a stator and a rotor for the final assembly section; the stator assembly section A comprises a stator assembly transmission line A0, and the stator assembly transmission line A0 is sequentially provided with: the stator paper inserting machine A1, the embedding and expanding integrated machine A2, a stator wire-feeding buffer table A3, a coil shaping table A5, a first paint stripping table A6, a star point extrusion table A8, a binding table A9, a final shaping table A10, a paint dipping table A12, a sampling table A13, a stator air cooling channel A14, a second paint stripping table A16 and a stator transferring preparation table A17; the rotor assembly section C comprises a rotor assembly transmission line C0, and the rotor assembly transmission line C0 is sequentially provided with: the automatic magnetic steel inserting and glue dripping integrated machine C1, the dryer C2, the shaft entering machine C3, the rotor online buffer table C4, the nut pre-tightening workbench C5, the automatic nut screwing machine C6, the screw disassembling workbench C7, the dynamic balance adjusting workbench C8, the first bearing pressing machine C9, the automatic rotating workbench C10, the second bearing pressing machine C11, the rear end cover pressing workbench C12 and the rotor transferring preparation table C13; the assembly section B comprises an assembly transmission line B0, and the assembly transmission line B0 is sequentially provided with: the machine shell storage area B1, the machine shell upper line buffer table B2, the medium-frequency heating table B3, the stator feeding table B4, the machine shell air cooling channel B5, the machine shell water cooling table B6, the jackscrew processing table B7, the screw tightening table B8, the air tightness detection table B9, the wire end processing table B10, the first machine shell overturning table B11, the front end cover compacting table B12, the second machine shell overturning table B13, the rotor feeding table B14, the third machine shell overturning table B15, the end cover fixing table B16, the rotary flange and rotary rotor mounting table B17, the rotary stator and Hall cover mounting table B18, the junction box and waterproof joint mounting table B19, the wire stripping pressing table B20, the aviation plug and inserting needle mounting table B21, the ground power frequency voltage withstand and insulation resistance testing table B22, the zeroing working table B23, the hand brake disc and hand brake wire mounting table B24, the assembly completion table B25 and the product storage area B26; the assembly section B is connected with the stator assembly section A through a stator transferring preparation table A17 and a transferring stator manipulator A18 arranged between the stator housing entering table B4; the assembly section B and the rotor assembly section C are connected through a rotor transferring preparation table C13 and a transferring rotor manipulator C14 arranged between the rotor shell entering table B14.
A coil winding detection table A4 is arranged between the embedding and expanding integrated machine A2 and the stator winding buffer table A3; an enamelled wire paint stripping detection table A7 is arranged between the first paint stripping table A6 and the star point extrusion table A8; a shaping detection table A11 is arranged between the final shaping table A10 and the paint dipping table A12; a paint dipping detection table A15 is arranged between the stator air cooling channel A14 and the second paint peeling table A16. The arrangement of the detection table can timely detect whether the previous working procedure is qualified or not, qualified products enter the next working procedure through detection, unqualified products are removed, so that the product quality is guaranteed, and waste is avoided.
The stator assembly section A initial end is equipped with stator and coil storage area, and between coil storage area and the stator paper inserting machine A1, inlay and expand all-in-one A2 and the stator line buffer platform A3, stator transport preparation platform A17 and stator go into between the shell platform B4 all be equipped with transport stator manipulator A18.
The initial end of the rotor assembly section C is provided with a rotor storage area, and a rotor transferring manipulator C14 is arranged between the rotor storage area and the automatic magnetic steel inserting and glue dripping integrated machine C1, and between a rotor transferring preparation table C13 and a rotor shell entering table B14.
And a transferring machine shell manipulator B27 is arranged between the machine shell storage area B1 and the machine shell on-line buffer table B2 and between the assembly completion table B25 and the product storage area B26.
The transfer manipulator can be convenient for transfer heavy or unsuitable manual transport's product to specific position, has improved the uniformity of transfer precision and product placement position.
The transmission rear parts of the shaping detection table A11 and the paint dipping detection table A15 are respectively provided with an unqualified stator picking manipulator A19; a disqualified rotor picking manipulator C15 is arranged behind the transmission of the dynamic balance adjustment workbench C8; the air tightness detection table B9 is provided with a disqualified shell picking manipulator B28 at the transmission rear. Unqualified product sorting manipulator can be convenient for transport the unqualified product that is heavier or unsuitable manual transport from the assembly transmission line to unqualified product storage area, has improved conveying efficiency and selection accuracy, has reduced the cost of labor.
The first shell overturning platform B11 can be overturned by 180 degrees around the axial direction of the motor, the second shell overturning platform B13 can be overturned by 90 degrees around the axial direction of the motor, and the third shell overturning platform B15 can be overturned by 180 degrees around the axial direction of the motor. Realize the automatic upset of casing, prevent to lead to by artifical upset the inaccurate of putting, influence the uniformity of assembly.
In the stator assembly section A, a coil winding detection table A4, a stator wire-feeding buffer table A3, a coil shaping table A5, a first paint stripping table A6, an enamelled wire paint stripping detection table A7, a star extrusion table A8, a binding table A9, a final shaping table A10, a shaping detection table A11, a paint dipping detection table A15 and a second paint stripping table A16 are manually operated, and the positions of a stator paper inserting machine A1, an embedding and expanding integrated machine A2, a paint dipping table A12, a sampling table A13, a stator air cooling channel A14, a stator transferring preparation table A17, a transferring stator manipulator A18 and a disqualified stator sorting manipulator A19 are automatically operated; in the rotor assembly section C, the positions of a shaft entering machine C3, a nut pre-tightening workbench C5, a screw rod disassembling workbench C7, a dynamic balance adjusting workbench C8 and a rear end cover pressing-in workbench C12 are manually operated, and the positions of an automatic magnet steel inserting and glue dripping integrated machine C1, a dryer C2, a rotor wire feeding buffer workbench C4, an automatic nut screwing machine C6, a first bearing pressing-in machine C9, an automatic rotating workbench C10, a second bearing pressing-in machine C11, a rotor transferring preparation workbench C13, a transferring rotor manipulator C14 and a disqualified rotor sorting manipulator C15 are automatically operated; in the final assembly section B, a screw tightening table B8, an air tightness detection table B9, a wire end processing table B10, a front end cover pressing table B12, an end cover fixing table B16, a rotary flange and rotary rotor mounting table B17, a rotary stator and Hall cover mounting table B18, a junction box and waterproof joint mounting table B19, a wire stripping and pressing table B20, a aviation plug and contact pin mounting table B21, a ground power frequency withstand voltage and insulation resistance test table B22, a zero setting table B23, a hand brake disc and hand brake wire mounting table B24 are manually operated, and a shell storage area B1, a shell wire feeding buffer table B2, an intermediate frequency heating table B3, a stator shell entering table B4, a shell air cooling channel B5, a shell water cooling table B6, a jackscrew processing table B7, a first shell overturning table B11, a second shell overturning table B13, a rotor shell entering table B14, a third shell overturning table B15, an assembly completion table B25, a product storage area B26, a transfer manipulator B27 and a disqualification manipulator B28 are automatically picked up. The manual and mechanical operation combined mode is adopted, the repeated simple operation is given to the machine, the assembly consistency is improved, the manual operation workload is greatly reduced, the complex and inconvenient mechanical operation and the low repeated working procedures are still operated by the manual operation, the product quality is ensured, and the cost for researching and developing the alternative automatic machine is reduced.
Referring to fig. 11-14, the shell water cooling table B6 comprises a frame 1, a conveying device 2, a compacting mechanism 3 and a cooling mechanism 4; the conveying device 2 comprises a conveying rail 21 arranged through the frame 1 and a conveying plate 22 arranged on the conveying rail 21 and used for placing the motor shell 8; the pressing mechanism 3 comprises a lower pressing mechanism 31 and an upper pressing mechanism 32, the lower pressing mechanism 31 is positioned below the conveying plate 22 and provided with an upward movement to jack up the conveying plate 22, and the upper pressing mechanism 32 is positioned above the conveying track of the motor casing and opposite to the lower pressing mechanism 31 and provided with a downward movement to press the motor casing 8; the cooling mechanism 4 includes a cooling input mechanism 41 and a cooling output mechanism 42, and the cooling input mechanism 41 and the cooling output mechanism 42 are mounted on the mounting frame 5. The motor shell 8 is conveyed to a station through the conveying device 2, the pressing mechanism 3 performs pressing and positioning, and the cooling mechanism 4 cools the motor shell 8; the motor shell 8 is provided with a cooling water channel for cooling, wherein the cooling input mechanism 41 and the cooling output mechanism 42 are respectively communicated with two ends of the cooling water channel, a water pump of the water chiller is used for feeding water to one end of the cooling water channel through the cooling input mechanism 41, and the cooling water flows out of the other end and is communicated and flows back to the recovery water tank through the cooling output mechanism 42, so that the motor shell is rapidly cooled; after the motor shell 8 is cooled to the usable temperature, the water pump of the water chiller is switched to the air blowing valve to blow and dry the residual cooling water in the cooling water channel, and meanwhile, the cooling effect is further achieved.
The cooling input mechanism 41 includes a first telescopic rod 411, a first floating rod 412 and a first contact 413 that are sequentially connected, the first telescopic rod 411 is driven by a first telescopic cylinder 6 to have telescopic motion, and the first contact 413 has motion approaching or separating from the motor casing under the telescopic action of the first telescopic rod 411; the cooling output mechanism 42 includes a second telescopic rod 421, a second floating rod 422 and a second contact head 423 that are sequentially connected, the second telescopic rod 421 is driven by the second telescopic cylinder 7 to have telescopic motion, and the second contact head 423 has motion approaching or departing from the motor casing under the telescopic action of the second telescopic rod 421. The cylinder driving is adopted, and as the cooling channel is ventilated, the telescopic control can be realized by only adding the pipeline connected to the cylinder and the air valve, compared with the mode of adopting the cylinder driving, the telescopic action is more stable, the abutting force is larger during abutting joint, the hydraulic control one-way valve can be adopted for pressure maintaining after abutting joint, the pressure is not required to be provided, and the energy is saved.
The first floating rod 412 has an adjustment operation of moving in two vertical directions perpendicular to the expansion and contraction direction of the first expansion and contraction rod 411, and one end close to the motor housing has an adjustment operation of twisting and tilting around; the second floating rod 422 has an adjustment operation of moving in two vertical directions perpendicular to the expansion and contraction direction of the second expansion and contraction rod 421, and one end close to the motor housing has an adjustment operation of twisting and tilting around. The adjustment actions in the two vertical directions of the first floating lever 412 and the second floating lever 422 can be adjusted when the positions are offset, and the adjustment actions of the torsion inclination can be adjusted when the angles are offset.
A flow passage exists inside the first contact 413 and the second contact 423; after the cooling input mechanism 41 and the cooling output mechanism 42 are installed, the first contact 413 and the second contact 423 are aligned with the water inlet and the water outlet on the motor casing 8 respectively, and the first contact 413 and the second contact 423 are attached and sealed with the water inlet and the water outlet on the motor casing 8 after extending out and are communicated with a cooling flow passage of the motor casing 8.
The surfaces of the first contact 413 and the second contact 423, which are attached to the motor casing 8, adopt high-temperature resistant foamed silica gel as materials. The first contact 413 and the second contact 423 are made of high-temperature-resistant foaming silica gel materials, can be better attached to the water inlet and the water outlet of the motor shell 8, and have the sealing and heat-resistant effects.
The side part of the first contact 413 is provided with a water inlet 4131, and the side part of the second contact 423 is provided with a water outlet 4231; the cooling input mechanism 41 is further provided with an air inlet 414 communicated with the internal flow passage of the first contact 413. In use, the water inlet 4131 is connected to a chiller pump, the water outlet 4231 is connected to a recovery tank, and the air inlet 414 is connected to an air purge valve.
Referring to fig. 10, the motor assembly process using the permanent magnet motor assembly line of the present invention is as follows:
the assembly production flow of the permanent magnet motor can be divided into three sections, namely a stator assembly section A, a rotor assembly section C and a final assembly section B, wherein the stator assembled by the stator assembly section A and the rotor finished product assembled by the rotor assembly section C are respectively distributed to different stations of the final assembly section B for final assembly.
The assembly flow of the stator assembly section A is as follows:
(1) Transferring the stator from the stator storage area to a stator paper inserting machine A1 for paper inserting through a transferring stator manipulator A18;
(2) The stator after paper insertion is transferred to an embedding and expanding integrated machine A2, and coil embedding and expanding are carried out;
(3) The stator with the inserted wire and the expanded wire is transported to an upper wire buffer station A3 by a transporting stator manipulator A18, and after the assembly or detection of one stator is completed from the upper wire buffer station A3, the stator is transported to the next station by a conveyor belt;
(4) On the conveying line, the stator is sequentially conveyed to a coil winding detection table A3 for manual coil winding detection, a coil shaping table A5 for coil shaping, a first paint stripping table A6 for manual operation for paint stripping, a wire paint stripping detection table A7 for manual paint stripping detection, a star point extrusion table A8 for manual copper tube star point extrusion of the stator, a binding table A9 for manual binding, a final shaping table A10 for shaping, a paint dipping table A12 for coil paint dipping, a sampling table A13 for taking out the stator after paint dipping, a stator air cooling channel A14 for solidifying the coil paint dipping, a paint dipping detection table A15 for paint condensation detection, a second paint stripping table A16 for coil paint stripping, finally a stator transfer preparation table A17 for transferring the assembled and detected stator to a stator feeding table B4 station of a general assembly section B for stator installation through a stator transferring manipulator A18.
The assembling flow of the rotor assembling section C is as follows:
(1) The rotor is transferred from the rotor storage area to an automatic magnet steel inserting and glue dripping integrated machine C1 through a rotor transferring manipulator C14 to insert and drip the magnet steel;
(2) After the operation is completed, the rotor is transferred to a dryer C2 for drying;
(3) After the drying is finished, the rotor enters a shaft entering machine, a rotating shaft enters a rotating shaft hole of the rotor and is compressed, the rotor reaches a rotor on-line buffer table C4, the rotor on-line buffer table C4 starts, and after the assembly or detection of one rotor is finished, the rotor is conveyed to the next station by a conveying belt;
(4) On the conveying line, the rotor is sequentially conveyed to a nut pre-tightening workbench C5 for manual nut pre-tightening, an automatic nut screwing machine C6 for mechanical nut screwing, a screw disassembling workbench C7 for disassembling a screw, a dynamic balance adjusting workbench C8 for rotor dynamic balance adjustment and detection, a first bearing pressing machine C9 presses in a first bearing, an automatic rotating workbench C10 rotates the rotor towards, a second bearing pressing machine C11 presses in a second bearing, a rear end cover pressing workbench C12 is manually assisted to press in a rear end cover, finally the rotor reaches a rotor transferring preparation table C13, and a rotor after assembly and detection is transferred to a rotor casing entering table B14 station of a final assembly section B through a transferring rotor manipulator C14 for rotor installation.
The assembly flow of the final assembly section B is as follows:
(1) The machine shell is transferred from the machine shell storage area B1 to the machine shell on-line buffer platform B2 through the machine shell transferring manipulator B27, and after the assembly or detection of one rotor is completed, the rotor is conveyed to the next station through the conveyor belt from the machine shell on-line buffer platform B2;
(2) On the conveyor line of the conveyor belt, the shell is sequentially conveyed to an intermediate frequency heating table B3 to be heated so that the stator mounting hole position is enlarged due to thermal expansion, so that the stator of the next step is conveniently mounted in the shell, a stator mounting table B4 is mounted, a shell air cooling channel B5 is used for cooling the shell, a shell water cooling table B6 is used for cooling the shell water, a screw hole for mounting is processed on the shell by a jackscrew processing table B7, screws are mounted on a screw tightening table B8, an air tightness detection table B9 is used for detecting the air tightness of the shell, a thread end processing table B10 is used for processing exposed and length-exceeding thread ends, a first shell overturning table B11 is used for overturning the shell, a front end cover compaction table B12 is used for compacting the front end cover, a second shell overturning table B13 is used for overturning the shell orientation, a rotor is mounted in a shell entering table B14 the third shell overturning platform B15 overturns the shell orientation, the end cover fixing platform B16 fixes the end cover, the rotary flange and the rotary rotor mounting platform B17 installs the rotary flange and the rotary rotor, the rotary stator and the Hall cover mounting platform B18 installs the rotary stator and the Hall cover, the junction box and the waterproof joint mounting platform B19 installs the junction box and the waterproof joint, the wire stripping and pressing platform B20 carries out wire stripping, the aviation plug and the contact pin mounting platform B21 installs the aviation plug and the contact pin, the grounding power frequency voltage withstand voltage and insulation resistance test platform B22 carries out the grounding power frequency voltage withstand voltage and insulation resistance test, the zero setting workbench B23 carries out the whole machine zero setting, the hand brake disc and the hand brake disc are arranged on the hand brake wire mounting platform B24, finally, the assembly completion station B25 is reached and the mounted motor is transferred to the product storage area B26 by the transfer housing robot B27.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (14)
1. Permanent magnet motor assembly line, its characterized in that: the assembly device comprises a final assembly section (B), a stator assembly section (A) and a rotor assembly section (C), wherein the stator assembly section (A) and the rotor assembly section (C) are used for conveying a stator and a rotor for the final assembly section;
the stator assembly section (A) comprises a stator assembly transmission line (A0), and the stator assembly transmission line (A0) is sequentially provided with: the stator paper inserting machine (A1), the embedding and expanding integrated machine (A2), a stator wire-feeding buffer table (A3), a coil shaping table (A5), a first paint stripping table (A6), a star point extrusion table (A8), a binding table (A9), a final shaping table (A10), a paint dipping table (A12), a sampling table (A13), a stator air cooling channel (A14), a second paint stripping table (A16) and a stator transferring preparation table (A17);
the rotor assembly section (C) comprises a rotor assembly transmission line (C0), and the rotor assembly transmission line (C0) is sequentially provided with: the automatic magnetic steel inserting and glue dripping integrated machine (C1), a dryer (C2), a shaft entering machine (C3), a rotor wire feeding buffer table (C4), a nut pre-tightening workbench (C5), an automatic nut screwing machine (C6), a screw disassembling workbench (C7), a dynamic balance adjusting workbench (C8), a first bearing pressing machine (C9), an automatic rotating workbench (C10), a second bearing pressing machine (C11), a rear end cover pressing workbench (C12) and a rotor transferring preparation table (C13);
The assembly section (B) comprises an assembly transmission line (B0), and the assembly transmission line (B0) is provided with: the machine shell comprises a machine shell storage area (B1), a machine shell upper line buffer table (B2), an intermediate frequency heating table (B3), a stator shell inlet table (B4), a machine shell air cooling channel (B5), a machine shell water cooling table (B6), a jackscrew processing table (B7), a screw tightening table (B8), an air tightness detection table (B9), a wire end processing table (B10), a first machine shell overturning table (B11), a front end cover compacting table (B12), a second machine shell overturning table (B13), a rotor shell inlet table (B14), a third machine shell overturning table (B15), an end cover fixing table (B16), a rotary flange and rotary rotor mounting table (B17), a rotary stator and Hall cover mounting table (B18), a junction box and waterproof joint mounting table (B19), a wire stripping pressing table (B20), a navigation plug and inserting needle mounting table (B21), a ground power frequency and insulation resistance testing table (B22), a voltage and insulation resistance setting table (B23), a hand brake disc and hand brake mounting table (B24), an assembly completion table (B25) and a product storage area (B26);
the assembly section (B) is connected with the stator assembly section (A) through a stator transferring preparation table (A17) and a transferring stator manipulator (A18) arranged between the stator housing table (B4); the assembly section (B) is connected with the rotor assembly section (C) through a rotor transferring preparation table (C13) and a transferring rotor manipulator (C14) arranged between the rotor shell entering table (B14).
2. The permanent magnet motor assembly line of claim 1, wherein: a coil winding detection table (A4) is arranged between the embedding and expanding integrated machine (A2) and the stator winding buffer table (A3); an enamelled wire paint stripping detection table (A7) is arranged between the first paint stripping table (A6) and the star point extrusion table (A8); a shaping detection table (A11) is arranged between the final shaping table (A10) and the paint dipping table (A12); a paint dipping detection table (A15) is arranged between the stator air cooling channel (A14) and the second paint peeling table (A16).
3. The permanent magnet motor assembly line of claim 1, wherein: stator and coil storage areas are arranged at the initial end of the stator assembly section (A), and a transferring stator manipulator (A18) is arranged between the coil storage areas and the stator paper inserting machine (A1), and between the embedding and expanding integrated machine (A2) and the stator wire feeding buffer table (A3).
4. The permanent magnet motor assembly line of claim 1, wherein: the initial end of the rotor assembly section (C) is provided with a rotor storage area, and a rotor transferring manipulator (C14) is arranged between the rotor storage area and the automatic magnetic steel inserting and glue dripping integrated machine (C1).
5. The permanent magnet motor assembly line of claim 1, wherein: and a transferring machine shell manipulator (B27) is arranged between the machine shell storage area (B1) and the machine shell on-line buffer table (B2) and between the assembly completion table (B25) and the product storage area (B26).
6. The permanent magnet motor assembly line according to claim 2, wherein: unqualified stator picking manipulators (A19) are arranged at the transmission rear parts of the shaping detection table (A11) and the paint dipping detection table (A15); an unqualified rotor picking manipulator (C15) is arranged behind the transmission of the dynamic balance adjusting workbench (C8); an unqualified shell sorting manipulator (B28) is arranged behind the air tightness detection table (B9).
7. The permanent magnet motor assembly line of claim 1, wherein: the first shell overturning platform (B11) can overturn 180 degrees around the axial direction of the motor, the second shell overturning platform (B13) can overturn 90 degrees around the axial direction of the motor, and the third shell overturning platform (B15) can overturn 180 degrees around the axial direction of the motor.
8. The permanent magnet motor assembly line of claim 1, wherein: in the stator assembly section (A), a coil winding detection table (A4), a stator winding buffer table (A3), a coil shaping table (A5), a first paint stripping table (A6), an enamelled wire paint stripping detection table (A7), a star extrusion table (A8), a binding table (A9), a final shaping table (A10), a shaping detection table (A11), a paint dipping detection table (A15) and a second paint stripping table (A16) are manually operated, and the positions of a stator paper inserting machine (A1), an embedding and expanding integrated machine (A2), a paint dipping table (A12), a sampling table (A13), a stator air cooling channel (A14), a stator transferring preparation table (A17), a transferring stator manipulator (A18) and a disqualified stator sorting manipulator (A19) are automatically operated; in the rotor assembly section (C), a shaft inserting machine (C3), a nut pre-tightening workbench (C5), a screw rod disassembling workbench (C7), a dynamic balance adjusting workbench (C8) and a rear end cover pressing-in workbench (C12) are manually operated, and automatic magnetic steel inserting and glue dripping integrated machine (C1), a dryer (C2), a rotor on-line buffer table (C4), an automatic nut screwing machine (C6), a first bearing pressing-in machine (C9), an automatic rotating workbench (C10), a second bearing pressing-in machine (C11), a rotor transferring preparation table (C13), a transferring rotor manipulator (C14) and a disqualified rotor picking manipulator (C15) are automatically operated; in the final assembly section (B), screw tightening table (B8), air tightness detection table (B9), wire end processing table (B10), front end cover pressing table (B12), end cover fixing table (B16), rotary flange and rotary rotor mounting table (B17), rotary stator and Hall cover mounting table (B18), junction box and waterproof joint mounting table (B19), wire stripping and wire pressing table (B20), aviation plug and contact pin mounting table (B21), ground power frequency withstand voltage and insulation resistance test table (B22), zero setting table (B23) and hand brake disc and hand brake wire mounting table (B24) are manually operated, and a machine shell storage area (B1), a machine shell wire feeding buffer table (B2), an intermediate frequency heating table (B3), a stator feeding shell table (B4), a machine shell air cooling channel (B5), a machine shell water cooling table (B6), a jackwire processing table (B7), a first machine shell turntable (B11), a second machine shell turntable (B13), a rotor feeding shell table (B14), a third machine shell (B15), a machine shell automatic turntable (B25), a machine shell (B25) and a machine shell storage area (28) are finished.
9. The permanent magnet motor assembly line of claim 1, wherein: the shell water cooling table (B6) comprises a frame (1), a conveying device (2), a pressing mechanism (3) and a cooling mechanism (4):
the conveying device (2) comprises a conveying track (21) which is arranged through the frame (1) and a conveying plate (22) which is arranged on the conveying track (21) and is used for placing a motor shell (8);
the compressing mechanism (3) comprises a lower compressing mechanism (31) and an upper compressing mechanism (32), the lower compressing mechanism (31) is positioned below the conveying plate (22) and provided with an upward movement to jack up the conveying plate (22), and the upper compressing mechanism (32) is positioned above a conveying track of the motor casing and opposite to the lower compressing mechanism (31) and provided with a downward movement to compress the motor casing (8);
the cooling mechanism (4) comprises a cooling input mechanism (41) and a cooling output mechanism (42), and the cooling input mechanism (41) and the cooling output mechanism (42) are mounted on the mounting frame (5).
10. The permanent magnet motor assembly line of claim 9, wherein: the cooling input mechanism (41) comprises a first telescopic rod (411), a first floating rod (412) and a first contact head (413) which are sequentially connected, the first telescopic rod (411) is driven by a first telescopic cylinder (6) to have telescopic action, and the first contact head (413) has action of approaching or keeping away from a motor shell under the telescopic action of the first telescopic rod (411); the cooling output mechanism (42) comprises a second telescopic rod (421), a second floating rod (422) and a second contact head (423) which are sequentially connected, the second telescopic rod (421) is driven by a second telescopic cylinder (7) to have telescopic action, and the second contact head (423) is provided with action approaching or far away from the motor shell under the telescopic action of the second telescopic rod (421).
11. The permanent magnet motor assembly line of claim 10, wherein: the first floating rod (412) has an adjusting action of moving in two vertical directions perpendicular to the extending and contracting direction of the first telescopic rod (411), and one end close to the motor shell has an adjusting action of twisting and tilting around; the second floating rod (422) has an adjustment operation of moving in two vertical directions perpendicular to the expansion and contraction direction of the second expansion and contraction rod (421), and one end close to the motor casing has an adjustment operation of twisting and tilting around.
12. The permanent magnet motor assembly line of claim 10, wherein: a flow passage is formed inside the first contact head (413) and the second contact head (423); after the cooling input mechanism (41) and the cooling output mechanism (42) are installed, the first contact head (413) and the second contact head (423) are respectively aligned with a water inlet and a water outlet on the motor casing (8), and the first contact head (413) and the second contact head (423) are sealed in a fitting way with the water inlet and the water outlet on the motor casing (8) after extending out and are communicated with a cooling flow passage of the motor casing (8).
13. The permanent magnet motor assembly line of claim 12, wherein: the surface of the joint of the first contact (413) and the second contact (423) and the motor shell (8) adopts high-temperature-resistant foaming silica gel as a material.
14. The permanent magnet motor assembly line of claim 10, wherein: a water inlet (4131) is formed in the side part of the first contact head (413), and a water outlet (4231) is formed in the side part of the second contact head (423); and the cooling input mechanism (41) is also provided with an air inlet (414) communicated with the internal flow passage of the first contact head (413).
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| CN201810937723.2A CN108880134B (en) | 2018-08-17 | 2018-08-17 | Permanent magnet motor assembly production line |
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| Title |
|---|
| 电动自行车电机装配质量检测系统设计;何文辉;曲玉红;;中国计量学院学报(第03期);35-38 * |
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| Publication number | Publication date |
|---|---|
| CN108880134A (en) | 2018-11-23 |
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Address after: 317100 Julong Science Park, Shatianyang Development Zone, Taizhou City, Zhejiang Province Applicant after: ZHEJIANG GREAT DRAGON AUTOMATION EQUIPMENT Co.,Ltd. Address before: 317100 Julong Science Park, Shatianyang Development Zone, Taizhou City, Zhejiang Province Applicant before: ZHEJIANG GREAT DRAGON AUTOMATION EQUIPMENT CO.,LTD. |
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