Motor iron core press-fitting die

Abstract

The utility model discloses a motor iron core press-fitting die, and relates to the technical field of motor iron core production, and the motor iron core press-fitting die comprises a base and a press-fitting assembly arranged above the base; a plurality of sliding grooves annularly distributed in the center line direction of the base are formed in the top face of the base, moving blocks are clamped in the sliding grooves in a sliding mode, positioning rods for clamping and fixing an iron core are arranged on the moving blocks, and a synchronous assembly for driving the positioning rods to move synchronously is arranged in the base and comprises a connecting rod with one end rotationally connected with the moving blocks. The other end of the connecting rod is rotationally connected with a synchronous disc which moves in the vertical direction. A sliding groove is formed to limit the moving track of a moving block, an up-and-down moving synchronous plate is transmitted through a connecting rod to form synchronous movement of the moving block, a buckling piece groove is clamped and clamped through a positioning rod arranged on the moving block, an iron core is rapidly clamped and fixed, and the iron core is tightly pressed through a press-fitting assembly arranged above a base. And the manual cramping time is saved, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of motor core production, in particular to a motor core press-fitting die. BACKGROUND

[0002] Motor core lamination is a crucial link in the motor production process, and the main purpose is to stack and fix silicon steel sheets in a specific way to form the core part of the motor stator and rotor; the lamination quality directly affects the performance of the motor, including efficiency, noise, temperature rise and service life.

[0003] The outer clamping sheet method is a common lamination and fixing method in the motor core manufacturing process, and the specific operation of the outer clamping sheet method is to set a clamping sheet groove at the edge or a specific position of the silicon steel sheet, and place an outer clamping sheet in the groove by artificial, and the silicon steel sheets are fixed together through the elastic deformation or mechanical pressure of the outer clamping sheet to prevent the silicon steel sheets from being misaligned during the lamination process.

[0004] According to the related technology in the above, the inventor believes that the artificial placement of the outer clamping sheet to fix the silicon steel sheet is slow and inefficient. CONTENT OF THE UTILITY MODEL

[0005] The purpose of the application is to provide a motor core press-fitting die to improve the problem of slow speed and low efficiency of artificial placement of the outer clamping sheet to fix the silicon steel sheet.

[0006] The application provides a motor core press-fitting die, which adopts the following technical scheme:

[0007] A motor core press-fitting die, comprising a base and a press-fitting assembly arranged above the base; the base is internally provided with a cavity, and the top surface of the base is provided with a plurality of sliding grooves arranged in a ring shape along the center line direction of the base; a moving block is slidingly engaged in the sliding groove, and a positioning rod for clamping and fixing the core is arranged on the moving block; a synchronous assembly for driving the positioning rod to move synchronously is arranged in the cavity of the base; the synchronous assembly comprises a connecting rod rotatably connected to one end of the moving block, and a synchronous disc rotatably connected to the other end of the connecting rod; a drive motor is arranged in the base to drive the synchronous disc to move in the up-down direction; a threaded rod is arranged at the output end of the drive motor and is threadedly connected to the center of the synchronous disc.

[0008] By adopting the technical scheme, the connecting rod is rotationally connected with the synchronous disc and the moving block, the sliding groove is arranged to limit the moving track of the moving block, the synchronous plate moves up and down to drive the synchronous movement of the moving block through the connecting rod, the positioning rod on the moving block is clamped in the buckle groove arranged at the edge of the silicon steel sheet to quickly clamp and fix the iron core, the pressing assembly arranged above the base is used to press and fix the iron core, the driving motor is used to drive the threaded rod to rotate and control the synchronous disc to move up and down, the driving motor is convenient to operate and control, the threaded connection is stable and durable, the positioning rod is provided with stable clamping force, and the stability of the iron core in the pressing process is improved.

[0009] Optionally, the threaded rod is provided with a limiting block at the end away from the driving motor.

[0010] By adopting the technical scheme, the limiting block is arranged to protect and block the synchronous disc, so that the iron core is prevented from being too large in diameter and the synchronous disc is prevented from being too high to fall off the threaded rod.

[0011] Optionally, a guide rod is arranged in the sliding groove in the length direction of the sliding groove, and the moving block is slidably sleeved on the guide rod.

[0012] By adopting the technical scheme, the guide rod is arranged to assist the moving block to move in the sliding groove, to provide guidance for the moving block and improve the sliding stability of the moving block in the sliding groove, so that the positioning rod is clamped more stably and the clamping precision is improved.

[0013] Optionally, a groove is arranged at the center of the base, a placement plate is arranged in the groove in a matched mode, a pneumatic cylinder is arranged at the center of the top surface of the cavity of the base, the output end of the pneumatic cylinder penetrates through the top surface of the base and is rotationally connected with the placement plate, and the placement plate can be ejected from the groove by the pneumatic cylinder.

[0014] By adopting the technical scheme, the placement plate is slidably arranged in the groove by the pneumatic cylinder, the placement plate and the output end of the pneumatic cylinder are rotationally arranged, the iron core is manually placed when the placement plate is lifted by the pneumatic cylinder, the buckle groove of the silicon steel sheet is aligned with the positioning rod by rotating the placement plate, the position of the buckle groove is quickly adjusted, the pneumatic cylinder is retracted after the buckle groove is aligned with the positioning rod, the placement plate is stably clamped in the groove, and the iron core is stably placed; and the pressing operation is facilitated.

[0015] Optionally, a plurality of support rods are arranged on the top surface of the base, a top plate is arranged at the end of the support rod away from the base, the pressing assembly is arranged on the side of the top plate facing the base, and the pressing assembly comprises a hydraulic cylinder and a pressing plate arranged at the output end of the hydraulic cylinder.

[0016] Through the above technical scheme, the silicon steel sheet is pressed tightly by the pressing plate, the pressing assembly is driven by the hydraulic cylinder, the large thrust is improved in the pressing process, the pressing movement stability can be maintained, the uniform output of the pressing force is ensured, and the pressing quality is improved.

[0017] Optionally, the top plate is provided with a through groove corresponding to the movable range of the positioning rod to avoid the positioning rod from abutting against the top plate.

[0018] Through the above technical scheme, the through groove is arranged to stabilize the positioning rod, reduce the shaking of the positioning rod, and enhance the stable clamping capacity of the positioning rod.

[0019] Optionally, the pressing plate is provided with a rubber pad on the side close to the base.

[0020] Through the above technical scheme, the rubber pad is arranged to flexibly contact the iron core, avoid the pressing plate from scratching and damaging the surface of the iron core, and protect the iron core; and the friction force is increased to make the pressing process more stable.

[0021] Optionally, the rubber pad is provided with an anti-skid protrusion.

[0022] Through the above technical scheme, the anti-skid protrusion is arranged to further improve the friction force and anti-skid capacity of the rubber pad.

[0023] In summary, the motor iron core pressing die has the following technical effects:

[0024] 1. The connecting rod is arranged to rotate and connect the synchronous disc and the moving block, the sliding groove is arranged to limit the moving track of the moving block, the synchronous plate is arranged to move up and down, the connecting rod is arranged to drive the synchronous movement of the moving block, the positioning rod arranged on the moving block is arranged to be clamped and engaged in the buckle groove arranged at the edge of the silicon steel sheet, the iron core is quickly clamped and fixed, the pressing assembly arranged above the base is arranged to press and fix the iron core, the driving motor is arranged to drive the threaded rod to rotate and control the synchronous plate to move up and down, the driving motor is convenient to operate and control, the threaded connection is stable and durable, the positioning rod is provided with stable clamping force, the stability of the iron core in the pressing process is improved, the manual buckling time is saved, and the work efficiency is improved;

[0025] 2. The recess is arranged in the center of the base, the placement plate is arranged in the recess, the air cylinder is arranged on the top surface of the cavity of the base, and the output end of the air cylinder is arranged to penetrate the top surface of the base and rotate with the placement plate.

[0026] 3. The rubber pad is arranged to flexibly contact the iron core, avoid the pressing plate from scratching and damaging the surface of the iron core, and protect the iron core; and the friction force is increased to make the pressing process more stable. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a schematic diagram of the overall structure of the motor core press-fitting mold.

[0028] Figure 2 is a schematic diagram of the structure of the synchronous assembly in the embodiment.

[0029] In the figure, 1, base; 2, press-fitting assembly; 21, hydraulic cylinder; 22, press plate; 3, sliding groove; 4, moving block; 5, guide rod; 6, positioning rod; 7, synchronous assembly; 71, connecting rod; 72, synchronous disc; 8, driving motor; 9, threaded rod; 91, limit block; 10, recess; 11, placement plate; 12, air cylinder; 13, support rod; 14, top plate; 15, through groove; 16, rubber pad; 17, anti-skid protrusion. DETAILED DESCRIPTION

[0030] The following will be described in detail below with reference to the accompanying drawings Figure 1 - the accompanying drawings Figure 2 , and the present application will be further described in detail.

[0031] A motor core press-fitting mold, embodiment one: with reference to Figure 1 , including including a base 1, a press-fitting assembly 2 arranged above the base 1; a circular recess 10 is formed at the center position of the base 1, a hole is formed at the bottom surface of the recess 10 and communicates with the cavity of the base 1, a placement plate 11 is adaptively arranged in the recess 10, an air cylinder 12 is arranged at the center of the top surface in the cavity of the base 1, the output end of the air cylinder 12 is inserted into the hole at the bottom surface of the recess 10 and is rotatably connected with the placement plate 11 through a bearing, the placement plate 11 can be ejected from the recess 10 by the air cylinder 12, and the core is placed on the placement plate 11 when the placement plate 11 is ejected;

[0032] A plurality of support rods 13 are arranged on the top surface of the base 1, specifically three support rods 13, one end of each support rod 13 away from the base 1 is provided with a top plate 14, a through groove 15 is arranged on the top plate 14 corresponding to the sliding groove 3, the press-fitting assembly 2 is arranged on the side of the top plate 14 facing the base 1, the press-fitting assembly 2 includes a hydraulic cylinder 21 and a press plate 22 arranged at the output end of the hydraulic cylinder 21, the hydraulic cylinder 21 is arranged in an inverted manner, and the support rods 13 stably support the top plate 14 and the hydraulic assembly.

[0033] With reference to Figure 1 , Figure 2 , three sliding grooves 3 are arranged on the top surface of the base 1 in a circular distribution along the center line direction of the base 1, that is, the length direction of the sliding groove 3 passes through the center of the base 1 and is distributed in a circumferential array, a moving block 4 is slidingly engaged in the sliding groove 3, a guide rod 5 is arranged in the sliding groove 3 along the length direction of the sliding groove 3, the moving block 4 is slidingly sleeved on the guide rod 5, a positioning rod 6 for clamping and fixing the core is arranged on the moving block 4, one end of the positioning rod 6 away from the moving block 4 is slidingly arranged in the through groove 15, and the stability of the positioning rod 6 is improved;

[0034] The base 1 cavity is provided with a synchronous assembly 7 for driving the positioning rod 6 to move synchronously, the synchronous assembly 7 comprises a connecting rod 71 hinged to the moving block 4 at one end, the other end of the connecting rod 71 is hinged to a synchronous disc 72 through a hinge pin, the synchronous disc 72 is provided with a threaded hole at the center, the base 1 is provided with a driving motor 8, the driving motor 8 is provided with a threaded rod 9 at the output end, the threaded rod 9 is welded with a limiting block 91 for limiting the height of the synchronous disc 72 at the end away from the driving motor 8, the threaded rod 9 is screwed with the threaded hole of the synchronous disc 72, the driving motor 8 drives the threaded rod 9 to rotate to control the synchronous disc 72 to move in the up-down direction, so as to drive the positioning rod 6 to move synchronously through the connecting rod 71.

[0035] The rubber pad 16 is matched with the pressing plate 22, a plurality of annular distribution countersunk threaded holes are arranged on the rubber pad 16, the rubber pad 16 is fixed with the pressing plate 22 through the countersunk bolts, and the rubber pad 16 is provided with anti-skid protrusions 17 on the side close to the base for enhancing the pressing friction.

[0036] The implementation principle of the embodiment of the application is:

[0037] In actual work, the iron core is placed on the placing plate 11 which is ejected from the groove 10 by the cylinder 12, the placing plate 11 is rotated, the clamping groove of the iron core is aligned with the positioning rod 6, then the cylinder 12 controls the placing plate 11 to move into the groove 10, at this time, the driving motor 8 is started, the threaded rod 9 is rotated, the synchronous assembly 7 drives the positioning rod 6 to clamp and fix the iron core, the pressing assembly 2 is pressed to press the silicon steel sheet tightly, the pressing is completed, which is fast and convenient, the time for manually clamping is saved, and the work efficiency is improved.

[0038] The embodiments of the specific implementation mode are the preferred embodiments of the application, and are not limited to the protection scope of the application, wherein the same parts are indicated by the same reference numerals. Therefore, equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. An electric machine core press-fitting mold characterized by comprising: The utility model relates to a press -fitting assembly, including base (1), set up press -fitting assembly (2) above base (1), the built -in cavity of base (1), the top surface of base (1) is provided with a plurality of sliding grooves (3) along the circumferential distribution of base (1) center, slidingly engages the moving block (4) in sliding groove (3), the moving block (4) is provided with the locating rod (6) of clamping fixed iron core, the cavity of base (1) is provided with the synchronous assembly (7) of driving locating rod (6) synchronous motion, the synchronous assembly (7) includes the connecting rod (71) of one end with the rotating joint of moving block (4), the one end of connecting rod (71) away from moving block (4) is rotatably connected with synchronous disc (72), the driving motor (8) of driving synchronous disc (72) is set up in base (1) and moves along the up and down direction, the threaded rod (9) is set up in the output of driving motor (8), the threaded rod (9) is screw -threaded with the center of synchronous disc (72).

2. The motor core press-fitting mold according to claim 1, characterized by: The threaded rod (9) away from the one end of driving motor (8) is provided with a limit block (91).

3. The motor core press fitting mold according to claim 1, characterized by: The guiding rod (5) is arranged along the length direction of the sliding groove (3) in the sliding groove (3), and the moving block (4) is slidably sleeved on the guiding rod (5).

4. The motor core press fitting mold according to claim 1, characterized by: The recess (10) is arranged in the center of the top surface of the base (1), and the placing plate (11) is arranged in the recess (10).

5. The motor core press fitting mold according to claim 1, characterized by: The top surface of the base (1) is provided with a plurality of supporting rods (13), and the supporting rod (13) is provided with a top plate (14) away from the base (1), and the press -fitting assembly (2) is arranged on the side of the top plate (14) facing the base (1).

6. The motor core press fitting mold according to claim 5, characterized by: The top plate (14) is provided with a through groove (15) corresponding to the movement range of the locating rod (6) to avoid the abutment of the locating rod (6) and the top plate (14).

7. The motor core press fitting mold according to claim 5, characterized by: The rubber pad (16) is arranged on the side of the pressing plate (22) close to the base (1).

8. The motor core press fitting mold according to claim 7, characterized by: The rubber pad (16) is provided with an anti -skid boss (17).

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