WO2021022754A1

WO2021022754A1 - Loosening mechanism of electric motor stator core

Info

Publication number: WO2021022754A1
Application number: PCT/CN2019/126308
Authority: WO
Inventors: 卓奇周; 郑礼仁; 康亿
Original assignee: 广州市卓易精密机械有限公司
Priority date: 2019-08-08
Filing date: 2019-12-18
Publication date: 2021-02-11
Also published as: CN211266709U; CN110957868A

Abstract

Disclosed is a loosening mechanism (500) of an electric motor stator core, the loosening mechanism comprising a loosening traction plate (511), a loosening driving device and a loosening jig (510). The loosening driving device is used for driving the loosening traction plate (511) to move in an X-Y plane, and the loosening traction plate (511) is rotatably connected to the loosening jig (510); the loosening jig (510) comprises a loosening jig base (519), a loosening jig positioning fixing block (515), loosening jig movable blocks (512) and a loosening jig joint shaft (513), and segmented-iron-core fixing mechanisms are arranged on the loosening jig movable blocks (512); the loosening jig movable blocks (512), the segmented iron core fixing mechanisms and segmented iron cores (903) are equal in number, and each segmented-iron-core fixing mechanism is used for fixing one segmented iron core (903) to the corresponding loosening jig movable block (512); the adjacent loosening jig movable blocks (512) are rotatably connected by means of the loosening jig joint shaft (513), and the loosening jig positioning fixing block (515) is used for positioning and mounting one loosening jig movable block (512) on the loosening jig base (519); and two adjacent loosening jig movable blocks (512) are not connected, and the loosening traction plate (511) is rotatably connected to one of the two adjacent loosening jig movable blocks (512) that are not connected.

Description

Loosening mechanism for stator iron core of motor

Technical field

The invention relates to the field of motor stators for compressors, and more specifically, to a loosening mechanism of a motor stator core.

Background technique

The motor includes a stator and a rotor set in the stator. The stator includes a motor stator core and stator windings. In order to facilitate the winding of the stator windings on the motor stator core, as described in CN108604835A, the structure of the motor stator core is set like this : The stator core of the motor is a cylindrical stator core that connects the plurality of split cores with the rear yoke in the circumferential direction by the connecting portion of the rear yoke, and the split core is formed by laminating a plurality of electromagnetic steel sheets And the back yoke is formed and has teeth and the back yoke. The back yoke constitutes a cylindrical part of the outer edge. The teeth are arranged inside the back yoke and wind the stator winding; in the stator core of the motor, the phase There are gaps between adjacent teeth of adjacent split cores, one of the split cores is provided with a positioning notch, the split core is provided with a groove, and the positioning notch is located on the groove; there are two split cores connecting part It is non-connected, which makes the stator iron core of the motor open in the circumferential direction as a whole. Later, the connecting part of the two non-connected split iron cores is welded and fixed.

When winding the stator windings on the teeth, it is necessary to rotate the adjacent split cores around the connecting part to keep the adjacent teeth of the adjacent split cores away. However, after the existing motor stator cores are manufactured, use The connection part connecting the adjacent divided iron cores is firmly connected and difficult to rotate. The existing method is to manually loosen the connection part manually, which consumes a lot of manpower and has low work efficiency.

technical problem

The present invention aims to overcome the above-mentioned defects of the prior art and provide a motor stator iron core loosening mechanism, which can automatically loosen the motor stator iron core, save manpower and improve work efficiency.

Technical solutions

The technical solution adopted by the present invention is to provide a loosening mechanism for the stator core of the motor, which is used to loosen the connecting part of the stator core of the motor, including a loosening traction plate, a loosening drive device and a loosening jig. The loosening drive device is used for The loosening traction plate is driven to move in the XY plane, and the loosening traction plate is connected to the loosening jig in rotation; the loosening jig includes the loosening jig base, the loosening jig positioning and fixing block, the loosening jig movable block and the loosening jig joint axis, and the loosening jig The movable block is equipped with a split iron core fixing mechanism; the number of split iron cores in the loosening jig movable block, the split iron core fixing mechanism and the motor stator iron core are the same. The split iron core fixing mechanism is used to fix one of the motor stator iron cores. The split iron core is fixed on the corresponding movable block of the loosening jig; the movable blocks of the adjacent loosening jig are connected by the joint shaft of the loosening jig, and the loosening jig positioning and fixing block is used to locate and install a loose jig movable block on the loosening jig. Two adjacent loosening fixture movable blocks are non-connected, and the loosening traction plate is rotatably connected with one of the two non-connected adjacent loosening fixture movable blocks.

Beneficial effect

Compared with the prior art, the present invention has the following beneficial effects: In the present invention, the stator core of the motor is installed on the loosening jig. When the loosening driving device drives the loosening traction plate to move in the XY plane, the loosening traction plate moves and drives the loosening The movable block of the jig rotates, and when the movable block of the loosening jig rotates, it rotates around the joint axis of the loosening jig and drives the corresponding split iron core to rotate around the connecting part, so as to automatically complete the loosening operation, saving manpower and improving work efficiency.

Description of the drawings

Fig. 1 is a structural schematic diagram of an oil injection loosening system for a motor stator core including the loosening mechanism.

Figure 2 is a schematic diagram of a positioning and conveying tooling mechanism.

Figure 3 is a schematic diagram of a phase detection mechanism.

Figure 4 is a schematic diagram of the oil injection mechanism.

Fig. 5 is a cross-sectional view of the combination of an oil injection jaw and an oil injection gap plate in Fig. 4.

Fig. 6 is a schematic diagram of the combination of an oil injection jaw and an oil injection gap plate in Fig. 4.

Figure 7 is a schematic diagram of the transfer mechanism.

Fig. 8 is a schematic diagram of the clamping jaw transfer device in Fig. 7.

Fig. 9 is a schematic diagram of a loosening mechanism of a stator iron core of a motor according to this embodiment, wherein the X-axis and the Y-axis are perpendicular to each other, and the plane of the two is the X-Y plane.

Fig. 10 is a schematic diagram of the connection between the loosening traction plate and the loosening jig in Fig. 9.

Fig. 11 is a schematic diagram of the connection of the loosening traction plate and the loosening jig in Fig. 9 from another angle.

Figure 12 is a schematic diagram of the movement of the movable block of the loosening jig in the loosening jig. The movement trajectory of the movable block of the loosening jig is synchronized with the movement trajectory of the split iron core in the stator core of the motor.

Embodiments of the invention

As shown in Figures 9 to 12, this embodiment provides a motor stator core loosening mechanism 500 for loosening the connecting portion 906 of the motor stator core 900, including a loosening traction plate 511, a loosening drive device, and a loosening mechanism. The jig 510, the loosening driving device is used to drive the loosening traction plate 511 to move in the XY plane, and the loosening traction plate 511 is rotatably connected with the loosening jig 510; the loosening jig 510 includes a loosening jig base 519, a loosening jig positioning and fixing block 515, The loosening jig movable block 512 and the loosening jig joint shaft 513. The loosening jig movable block 512 is provided with a split iron core fixing mechanism; the loosening jig movable block 512, the split iron core fixing mechanism and the split in the motor stator iron core 900 The number of iron cores 903 is the same, and the split iron core fixing mechanism is used to fix one of the split iron cores 903 of the motor stator iron core 900 on the corresponding loosening jig movable block 512; adjacent loosening jig movable blocks 512 pass the loosening jig The joint shaft 513 is rotatably connected, and the loosening jig positioning and fixing block 515 is used to position and install a loosening jig movable block 512 on the loosening jig base 519; two adjacent loosening jig movable blocks 512 are not connected and loose The traction plate 511 is rotatably connected with one of the two adjacent loosening jig movable blocks 512 that are not connected.

In this embodiment, the loosening traction plate 511 and the loosening driving device can be two sets symmetrically arranged, and the two loosening traction plates 511 are respectively rotatably connected with two non-connected adjacent loosening jig movable blocks 512. This can improve the efficiency of loosening operations.

Among them, the loosening jig positioning and fixing block 515 is used for positioning and installing a loosening jig movable block 512 on the loosening jig base 519, and generally positioning and installing the loosening jig movable block 512 at the middle position on the loosening jig base On 519, this corresponds exactly to the split core 903 at the middle position, which is convenient for both sides to start loosening operations at the same time.

In the present invention, the motor stator core 900 is installed on the loosening jig 510. When the loosening driving device drives the loosening traction plate 511 to move in the XY plane, the loosening traction plate 511 moves and drives the loosening jig movable block 512 to rotate, and the loosening control When the movable block 512 rotates, it rotates around the loosening jig joint shaft 513 and drives the corresponding split iron core 903 to rotate around the connecting portion 906, so as to automatically complete the loosening operation, saving manpower and improving work efficiency.

In addition, the split iron core fixing mechanism includes loosening jig movable outer claws 514 and loosening jig movable inner claws 517 which are respectively arranged on the outer and inner sides of the loosening jig movable block 512. The loosening jig movable outer claw 514, the loosening jig movable inner claw 517 and the corresponding loosening jig movable block 512 are matched to fix a split iron core 903 firmly on the loosening jig movable block 512, when the loosening jig moves When the block 512 rotates around the joint shaft 513 of the loosening jig, it drives the corresponding split iron core 903 to rotate around the connecting portion 906 between the adjacent split iron cores to complete the loosening operation.

In this embodiment, the side of the movable outer claw 514 of the loosening jig facing the stator iron core 900 of the motor is provided with a loosening jig positioning protrusion that can be inserted into the groove 905 of the split iron core 903. This arrangement can firmly fix the split iron core 903 on the positioning protrusion of the loosening jig, realize the firm fixation of the split iron core fixing mechanism and the motor stator iron core 900, and ensure the loose jig movable block 512 and the split iron core 903 Synchronous rotation of the machine to ensure the working effect of the loosening mechanism.

Among them, the loosening jig positioning and fixing block 515 includes loosening jig outer positioning fixing blocks and loosening jig inner positioning fixing blocks respectively provided on the outer and inner sides of the loosening jig movable block 512 where it is located, and the loosening jig positioning fixing block 515 and the corresponding loosening jig movable block 512 are fixed on the loosening jig base 519. This arrangement ensures that the loosening jig positioning and fixing block 515 and a loosening jig movable block 512 are firmly fixed on the loosening jig base 519, thereby ensuring the loosening operation efficiency and the loosening effect.

In this embodiment, the side of the outer positioning and fixing block of the loosening jig facing the stator core 900 of the motor is provided with a loosening jig positioning protrusion that can be inserted into the groove 905 of the split iron core 903. This arrangement can firmly fix the split iron core 903 on the positioning protrusion of the loosening jig, realize the firm fixation of the split iron core fixing mechanism and the motor stator iron core 900, thereby facilitating the operation of the loosening mechanism 900.

In addition, the height of the loosening jig positioning and fixing block 515 in the axial direction of the motor stator iron core 900 is greater than the height of the split iron core fixing mechanism. This facilitates the operator to quickly identify the position of the loosening fixture positioning and fixing block 515, not only for manually manually installing the motor stator core 900 on the loosening fixture 510, but also for automatically installing the motor stator core 900 on the loosening fixture 510 After confirming the accuracy of the installation.

In this embodiment, the loosening drive device includes an X-axis drive device 521, an adapter platform 522, and a Y-axis drive device 523. The X-axis drive device 521 is used to drive the adapter platform 522 to move on the X-axis, and the Y-axis drive device 523 is located at The adapter platform 522 is connected to the loose pulling plate 511 to drive the loose pulling plate 511 to move along the Y axis. The X-axis driving device 521 and the Y-axis driving device 523 are motors.

The loosening mechanism 500 can be used in an oil injection loosening system of a motor stator iron core to further save manpower and improve work efficiency. The oil injection loosening system of the motor stator iron core includes the loosening mechanism 500, as shown in FIG. 1 As shown in Figure 8, it also includes a control unit and a positioning and conveying tooling mechanism 100, an oil injection mechanism 300, and a transfer mechanism 400 connected to the control unit; the loosening drive device in the loosening mechanism 500 is also connected to the control unit; and the positioning and conveying tooling The mechanism 100 is used for positioning, installing and conveying the motor stator core 900, the oiling mechanism 300 is used for filling the connecting portion 906 of the motor stator core 900 with lubricating and antirust oil, and the transfer mechanism 400 is used for transferring the motor stator core 900, The loosening mechanism 500 is used to loosen the connecting portion 906 of the stator iron core 900 of the motor after being filled with lubricating anti-rust oil.

Positioning and installing the motor stator core 900 on the positioning and conveying tooling mechanism 100 can ensure the opening angle of the motor stator core 900 in the circumferential direction, which not only enables the oil injection mechanism 300 to accurately align the connecting portion 906 of the motor stator core 900 that needs to be loosened The oil is injected, and the loosening mechanism 500 can loosen the connecting part sequentially from the two non-connected split cores 903 to ensure the successful operation of the loosening mechanism 500.

In the oil injection loosening system of the motor stator iron core, the positioning and conveying tooling mechanism 100 transports the motor stator iron core 900 positioned and installed thereon to the oil injection mechanism 300, and the oil injection mechanism 300 connects the motor stator iron core 900 to the connecting portion 906 Filling with lubricating and anti-rust oil, the transfer mechanism 400 transfers the motor stator core 900 after being filled with the lubricating and anti-rust oil to the working surface of the loosening mechanism 500, and the loosening mechanism 500 loosens the connecting portion 906 of the motor stator core 900, The oil injection loosening system can automatically loosen the motor stator core 900, which further saves manpower and improves work efficiency. During the transfer process of the transfer mechanism 400, the lubricating and anti-rust oil slowly penetrates the connecting part 906 of the motor stator core 900 to facilitate loosening The mechanism 500 loosens it.

As shown in FIG. 1, the oil injection loosening system of the motor stator core further includes a phase detection mechanism 200 connected to the control unit for detecting the angle of the motor stator core 900 installed on the positioning and conveying tooling mechanism 100. This arrangement can ensure the positioning and installation angle of the motor stator core 900 on the positioning and conveying tooling mechanism 100, and ensure the opening angle of the motor stator core 900 in the circumferential direction. The positioning and conveying tooling mechanism 100 conveys the motor stator core 900 positioned and mounted on it to the phase detection mechanism 200. After the phase detection mechanism 200 detects it, the positioning and conveying tooling mechanism 100 will position the motor stator core 900 mounted on it. It is conveyed to the oil injection mechanism 300, and the lubricating and anti-rust oil is filled by the oil injection mechanism 300, so that the lubricating and anti-rust oil is accurately injected into the connecting portion 906 of the stator iron core 900 of the motor.

In addition, as shown in FIG. 3, the phase detection mechanism 200 includes a first drive device 201 and a phase detection measurement head 204. The first drive device 201 is connected to the control unit and is used to drive the phase detection measurement head 204 to move up and down; the phase detection measurement head 204 matches the positioning notch 901 on the stator core 900 of the motor. The first driving device 201 drives the phase detection measuring head 204 down, and the phase detection measuring head 204 is inserted into the positioning gap 901 on the motor stator core 900, which indicates that the positioning and installation angle of the motor stator core 900 on the positioning and conveying tooling mechanism 100 is correct. If the phase detection head 204 cannot be inserted into the positioning gap 901 on the motor stator core 900, it means that the motor stator core 900 has a wrong positioning and installation angle on the positioning and conveying tooling mechanism 100. At this time, the operator needs to correct the motor stator core The positioning and installation angle of 900 on the positioning and conveying tooling mechanism 100 can ensure the smooth operation of the oil injection loosening system; when the phase detection mechanism 200 detects the angle of the motor stator core 900 installed on the positioning and conveying tooling mechanism 100, the first driving device 201 drives the phase detection measuring head 204 up, and the positioning and conveying tooling mechanism 100 conveys the motor stator core 900 to the oil injection mechanism 300.

In this embodiment, as shown in FIG. 3, the phase detection mechanism 200 further includes a circumferential positioning member 203. The circumferential positioning member 203 is provided with a plunger 205, and the plunger 205 is adjacent to the split iron core of the motor stator core 900. The gap 902 between the adjacent teeth 904 of 903 matches; the phase detection measuring head 204 is arranged on the circumferential positioning member 203, and the first driving device 201 is used to drive the circumferential positioning member 203 to perform a lifting movement. The matching of the gap 902 between the plunger 205 and the adjacent teeth 904 can reposition the motor stator core 900 that reaches the position of the phase detection mechanism 200, ensuring that the phase detection measuring head 204 can accurately detect and install on the positioning and conveying tooling mechanism 100 The angle of the upper motor stator core 900 is to avoid misjudgment.

Wherein, the first driving device 201 is an air cylinder, and the phase detection mechanism 200 further includes a phase detection lifting guide member 202 for guiding the lifting direction of the phase detection measuring head 204. The phase detection lifting guide component 202 may be a structure of a guide rod and a guide sleeve, and the guide rod slides in the guide sleeve to achieve guidance.

In this embodiment, the oil injection loosening system of the motor stator iron core further includes an alarm device connected to the control unit. When the phase detection mechanism 200 detects the wrong installation angle of the motor stator core 900 on the positioning and conveying tooling mechanism 100, the control unit controls the alarm device to issue an alarm to remind the operator to correct the motor stator core 900 on the positioning and conveying tooling mechanism 100 The installation angle.

In addition, as shown in FIG. 2, the positioning and conveying tooling mechanism 100 includes a conveying plate 101 and a second driving device 104 for driving the conveying plate 101 to move. The second driving device 104 is connected to a control unit; the conveying plate 101 is provided with The circumferential positioning tooling part 102 is used for positioning and installing the motor stator core 900 in the circumferential direction; the circumferential positioning tooling part 102 is provided with an angle positioning block 103 for positioning the angle of the motor stator core 900; on the angle positioning block 103 A positioning protrusion 105 is provided, and the positioning protrusion 105 matches the groove 905 on the split core 903 on the stator core 900 of the motor. The second driving device 104 is a transmission chain structure. The chain is provided with a conveyor plate installation part for installing the conveyor plate 101. The conveyor plate 101 moves synchronously with the chain; the circumferential positioning tooling part 102, the angle positioning block 103 and the positioning protrusion 105 are used for Precisely locate the installation position of the motor stator core 900 on the positioning and conveying tooling mechanism 100; multiple conveying plates 101 are used to realize multi-station operation and improve the working efficiency of the oil injection loosening system.

Wherein, as shown in Figures 4 to 6, the oil injection mechanism 300 includes a third driving device 301, an oil injection tightening power mechanism 303, an oil injection jaw 304, an oil injection gap plate 306, and an oil injection slit 307; a third driving device 301 and control The unit is connected and used to drive the oil filling and tightening power mechanism 303 for lifting motion. The oil filling and tightening power mechanism 303 is connected to the control unit and used to drive the oil filling jaw 304 for clamping and releasing movement. The oil filling jaw 304 is used for clamping and loosening the discharge machine. In the connecting part 906 of the stator core 900, the oil injection gap plate 306 is provided in the oil injection jaw 304. A cavity for storing lubricating and antirust oil is formed between the oil injection slit plate 306 and the oil injection jaw 304, and the oil injection slit 307 is provided in The oil injection slit plate 306 is used to leak oil to the connecting portion 906 of the stator iron core 900 of the motor. When the motor stator core 900 is transported to the oiling mechanism 300, the third driving device 301 drives the oiling and tightening power mechanism 303 to descend, and the oiling and tightening power mechanism 303 drives the oiling jaws 304 to clamp the motor stator core 900, and the lubricating and antirust oil is from The oil injection seam 307 penetrates into the connecting part 906 of the motor stator iron core 900. After the oil injection is completed, the oil injection tightening power mechanism 303 drives the oil filling jaw 304 to loosen the electric motor stator iron core 900, and the third driving device 301 drives the oil injection tightening power mechanism 303 to rise; The tightening power mechanism 303 drives the oil filling jaw 304 to perform clamping and releasing movements, which are commonly used in industrial manipulator jaws, which are the prior art and will not be described in detail. The oil injection slit plate 306 is provided with a hole for injecting oil into the cavity between the oil injection slit plate 306 and the oil injection jaw 304, and the hole is preferably provided at the top of the oil injection slit plate 306. The third driving device 301 is an air cylinder, and the oil filling mechanism 300 further includes an oil filling lifting guide 302 for guiding the lifting direction of the filling jaw 304. The oil-filled lifting guide member 302 may be a structure of a guide rod and a guide sleeve, and the guide rod slides in the guide sleeve to achieve guidance.

In this embodiment, an oil guiding tampon 305 is provided between the oil injection jaw 304 and the oil injection gap plate 306. This arrangement allows the lubricating and rust-preventing oil to evenly seep out from the oil injection slit 307 after passing through the oil guide sliver 305, and then evenly penetrate into the connecting portion 906 of the motor stator core 900, which facilitates the loosening mechanism 500 to the motor stator core 900 connecting portion 906 Perform loosening.

In addition, as shown in FIGS. 7 to 8, the transfer mechanism 400 includes a fourth driving device 401 and a transfer clamping jaw device 402. The fourth driving device 401 is connected to the control unit and used to drive the transfer clamping jaw device 402. Plane linear motion; the transfer clamping jaw device 402 includes a transfer lifting driving device 405, a transfer clamping release power mechanism 406 and a transfer clamping jaw 407. The transfer lifting driving device 405 is connected to the control unit and used to drive the transfer The load clamping release power mechanism 406 is used for lifting motion, the transfer clamping release power mechanism 406 is connected with the control unit and used to drive the transfer clamping jaw 407 for clamping and releasing movement, and the transfer clamping jaw 407 is used for clamping Hesong electric discharge machine stator core 900. When the motor stator core 900 needs to be transferred, the fourth driving device 401 drives the transfer clamping jaw device 402 to move in a plane linear motion to directly above the motor stator core 900, and the transfer lifting driving device 405 drives the transfer, clamping, and releasing power The mechanism 406 descends, the transfer clamping release power mechanism 406 drives the transfer clamping jaw 407 to perform a clamping action to tightly clamp the motor stator core 900, and the transfer lifting driving device 405 drives the transfer clamping release power mechanism 406 rises, the fourth driving device 401 again drives the transfer clamping jaw device 402 to move in a plane linear motion until the motor stator core 900 reaches directly above the target position, the transfer lifting driving device 405 drives the transfer, clamping and releasing power mechanism 406 to descend, The transfer, clamping and releasing power mechanism 406 drives the transfer jaw 407 to perform a releasing action to release the motor stator core 900. There are two transfer clamping claw devices 402, and the fourth driving device 401 drives one transfer clamping claw device 402 to make a planar linear motion to transfer the motor stator core 900 to be loosened from the positioning and conveying tooling mechanism 100 to the loosening mechanism 500 working surface, the fourth driving device 401 drives another transfer and clamping jaw device 402 to make a plane linear motion to transfer the motor stator core 900 that has been loosened from the working surface of the loosening mechanism 500 to the discharging device 600, and discharge the material The device 600 is a belt pulley driven by a belt to complete automatic discharging, which is a prior art and will not be described in detail here. The fourth driving device 401 is a motor; the transfer lifting driving device 405 is an air cylinder, and the transfer clamping jaw device 402 further includes a transfer lifting guide 404 for guiding the lifting direction of the transfer clamping jaw 407. The transfer lifting guide component 404 may be a structure of a guide rod and a guide sleeve, and the guide rod slides in the guide sleeve to achieve guidance. The transfer clamping and releasing power mechanism 406 drives the transfer clamping jaw 407 to perform clamping and releasing motions, which are commonly used in industrial manipulator clamping jaws, which are the prior art and will not be described in detail.

In this embodiment, the contact surface between the transfer jaw 407 and the motor stator core 900 is provided with a soft rubber structure. This arrangement can prevent the motor stator core 900 from being pinched.

Obviously, the above-mentioned embodiments of the present invention are merely examples to clearly illustrate the technical solutions of the present invention, and are not intended to limit the specific embodiments of the present invention. Any modification, equivalent replacement and improvement made within the spirit and principle of the claims of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

A loosening mechanism for a stator iron core of a motor is used to loosen the connecting part of the stator iron core of the motor. The loosening mechanism is characterized in that it comprises a loosening traction plate, a loosening drive device and a loosening jig. The loosening drive device is used to drive the loosening traction plate in The XY plane moves, and the loosening traction plate is connected to the loosening jig in rotation; the loosening jig includes the loosening jig base, the loosening jig positioning and fixing block, the loosening jig movable block and the loosening jig joint axis. The loosening jig movable block is provided with Split iron core fixing mechanism; the number of split iron cores in the loosening jig movable block, split iron core fixing mechanism and motor stator iron core is the same. The split iron core fixing mechanism is used to fix one of the split iron cores in the motor stator iron core. On the corresponding movable block of the loosening jig; the movable blocks of the adjacent loosening jig are connected by the joint shaft of the loosening jig, and the loosening jig positioning and fixing block is used to position and install a loosening jig movable block on the loosening jig base; Two adjacent loosening jig movable blocks are non-connected, and the loosening traction plate is rotatably connected with one of the two non-connected adjacent loosening jig movable blocks.
The loosening mechanism for a stator iron core of a motor according to claim 1, wherein the split iron core fixing mechanism comprises loosening jig movable outer claws and loosening jigs which are respectively arranged on the outer and inner sides of the movable block of the loosening jig Movable inner claw.
The loosening mechanism for a stator iron core of a motor according to claim 2, wherein the movable outer claw of the loosening fixture is provided with a loosening fixture positioning that can be inserted into the groove of the split iron core on the side facing the motor stator iron core. Bump.
The loosening mechanism for a stator iron core of a motor according to claim 1, wherein the loosening jig positioning and fixing block includes the loosening jig external positioning fixing block respectively provided on the outer and inner sides of the loosening jig movable block. The positioning and fixing block within the block and the loosening jig, and the loosening jig positioning fixing block and the corresponding loose jig movable block are all fixed on the loosening jig base.
The loosening mechanism for a stator iron core of a motor according to claim 4, wherein the outer positioning and fixing block of the loosening fixture is provided with a loosening fixture that can be inserted into the groove of the split iron core on the side facing the stator iron core of the motor Position the bump.