CN211530957U

CN211530957U - Press mounting equipment for stator assembly

Info

Publication number: CN211530957U
Application number: CN202020486505.4U
Authority: CN
Inventors: 吴庆民; 苗宁
Original assignee: Changzhou Bohong Electric Appliance Co ltd
Current assignee: Changzhou Bohong Electric Appliance Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-09-18
Anticipated expiration: 2030-04-03

Abstract

The utility model relates to a stator module's pressure equipment, which comprises a frame, be provided with punching press mechanism in the frame and be located the punching press workstation of punching press mechanism below, punching press mechanism includes pressure disk and driving piece, the driving piece orders about the pressure disk and moves along vertical direction, the one side that punching press workstation is close to punching press mechanism is equipped with the press stator frock, press stator frock including the location base and the location section of thick bamboo of detachable connection, the location base includes the mounting, the mounting is fixed in the one side that punching press workstation is close to punching press mechanism, and mounting and the coaxial setting of pressure disk, the location base is still including being used for with stator module grafting complex replacement, replacement formula is connected in the one end that the mounting is close to punching press mechanism, and replacement and mounting. The utility model discloses not only can realize the pressure equipment to the stator module of equidimension not, the stator core after the pressure equipment is higher with the axiality of stator frame simultaneously, is favorable to improving stator module's pressure equipment quality.

Description

Press mounting equipment for stator assembly

Technical Field

The utility model belongs to the technical field of the technique of stator module production and processing and specifically relates to a stator module's pressure equipment is related to.

Background

The stator assembly is the stationary part of the motor and its main role is to generate a rotating magnetic field. Referring to fig. 4, the conventional stator assembly 5 includes three parts, namely a stator core 51, a stator winding 52 and a stator base 53, and during production, a copper wire serving as the stator winding 52 is wound around a winding on the stator core 51, and then the stator core 51 with the stator winding 52 is installed into the stator base 53 as a whole, so as to form the stator assembly 5. Since the stator core 51 and the stator frame 53 are in interference fit, a certain pressure is required to completely install the stator core 51 into the stator frame 53.

At present, stator module accomplishes through the punching machine with can carry out the frock of fixing a position to stator module when the pressure equipment, like the stator sleeve is pressed to the motor that discloses in chinese patent with publication number CN103762792B, including stator sleeve and hoop stator sleeve, the hoop stator sleeve has been cup jointed on the stator sleeve, and the one end medial surface of stator housing is inserted to stator sleeve's one end, has arranged winding stator in the stator housing, and winding stator's one end is pegged graft and is installed in stator sleeve medial surface. The stator pressing tool is used for assembling the stator assembly before press mounting, the stator assembly is preliminarily positioned, during press mounting, the stator pressing tool and the stator assembly which are assembled are placed below a pressure plate of the press mounting equipment, and pressure is applied to the stator pressing tool along the vertical direction through the pressure plate, so that the stator core is pressed into the stator base along the vertical direction.

In the prior art, because the stator pressing tool is a special type, a stator assembly of a size is adapted to the stator pressing tool, therefore, in order to enable one piece of pressing equipment to press and mount stator assemblies of various different sizes, the current stator pressing tool is not fixed with a workbench of the pressing equipment, the size of the stator assembly is pressed and mounted by workers according to needs, the stator pressing tool adapted to the stator assembly is selected for use, after the stator assembly and the stator pressing tool are assembled, the workers move the stator pressing tool to the lower side of a pressure plate according to experience to perform stamping, the coaxiality of the stator assembly and the pressure plate is easy to deviate due to the existing operation, and the pressing quality of the stator assembly is unstable.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a stator module's pressure equipment, it is fixed with the location base of general type and stamping workbench, easily improves the axiality of stator module and pressure disk to play the effect that improves stator module pressure equipment quality.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a stator module's pressure equipment, includes the frame, be provided with punching press mechanism in the frame and be located the punching press workstation of punching press mechanism below, punching press mechanism includes pressure disk and driving piece, the driving piece orders about the pressure disk and moves along vertical direction, punching press workstation is close to the one side of punching press mechanism is equipped with presses stator frock, press stator frock including the location base and the location section of thick bamboo of detachable connection, the location base includes the mounting, the mounting is fixed in punching press workstation is close to the one side of punching press mechanism, just the mounting with the coaxial setting of pressure disk, the location base still including be used for with stator module grafting complex replacement, the replacement connect in the mounting is close to the one end of punching press quick detach mechanism, just the replacement with mounting coaxial coupling.

Through adopting above-mentioned technical scheme, this scheme will press the stator frock split to be two parts through mounting and replacement, and during the use, the workman selects according to the size of the stator module of needs pressure equipment with the stator module adaptation behind replacement and the location section of thick bamboo, carries out the pressure equipment with stator group location on pressing the stator frock. Compared with the prior art, because the mounting in this scheme is in the fixed state with the coaxial setting of pressure disk all the time, and replacement and mounting coaxial coupling, under the condition that the workman has replaced the replacement, press the stator frock still can be in the state of coaxial location with the pressure disk, can improve the axiality of stator module and pressure disk, finally reach the effect that improves stator module pressure equipment quality.

The present invention may be further configured in a preferred embodiment as: the replacing part is provided with a replacing part, one end of the replacing part, close to the stamping mechanism, is provided with an inserting hole, the central axis of the inserting hole is collinear with the central axis of the fixing part, one end of the replacing part, far away from the stamping mechanism, is fixed with an inserting rod, and the central axis of the inserting rod is collinear with the central axis of the replacing part.

By adopting the technical scheme, the effect of coaxial connection with the quick-release type fixing part can be easily realized by the replacement part through the insertion matching of the insertion rod on the replacement part and the insertion hole on the fixing part.

The present invention may be further configured in a preferred embodiment as: the periphery of the insertion rod is fixedly provided with a limiting convex edge, the limiting convex edge is extended along the length direction of the insertion rod, and a limiting groove for the limiting convex edge to be inserted is formed in the hole wall of the insertion hole.

By adopting the technical scheme, when the limiting convex edge is in splicing fit with the limiting groove, the splicing rod is not easy to rotate circumferentially in the splicing hole, and the stability of the replacement part and the fixing part during connection is improved.

The present invention may be further configured in a preferred embodiment as: the end face of one end, close to the stamping mechanism, of the fixing piece is provided with a first anti-skid face, the end face of one end, connected with the inserting rod, of the replacing piece is provided with a second anti-skid face, and when the replacing piece is inserted into the fixing piece, the first anti-skid face is abutted to the second anti-skid face.

By adopting the technical scheme, when the replacement part is connected with the fixing part, the first anti-slip surface and the second anti-slip surface can increase the friction force between the replacement part and the fixing part, so that the connection stability between the replacement part and the fixing part is further improved.

The present invention may be further configured in a preferred embodiment as: the replacement part is fixedly provided with a first limiting ring which is used for abutting against the lower end of the stator core, the first limiting ring is positioned at one end, close to the stamping mechanism, of the replacement part, and the first limiting ring and the replacement part are coaxially fixed.

Through adopting above-mentioned technical scheme, when stator subassembly was located the replacement on, first spacing ring can play the positioning action to stator module, improves the axiality of stator module and replacement. Meanwhile, the first limiting ring can support and limit the stator core below the stator core, and the stator core is conveniently and accurately pressed into a target position on the stator base by the pressing plate.

The present invention may be further configured in a preferred embodiment as: and a guide post which is used for penetrating into the stator core is coaxially fixed on the replacing part, and the guide post is positioned at one end of the replacing part close to the stamping mechanism.

Through adopting above-mentioned technical scheme, the guide post can play direction and limiting displacement to being located the stator module on the replacement, is favorable to improving the axiality when stator module and replacement are connected.

The present invention may be further configured in a preferred embodiment as: the positioning cylinder is in a cylindrical shape with a hollow interior, one end of the positioning cylinder in the length direction is an open end, the other end of the positioning cylinder is fixed with a cylinder bottom, and a second limiting ring used for being abutted against the upper end of the stator core is fixed on the inner peripheral wall of one end, close to the open end, of the positioning cylinder; the outer diameter of the positioning cylinder is equal to the diameter of the stator core, and the inner diameter of the second limiting ring is larger than the diameter of the guide column.

Before stator module pressure equipment, the stator core of packing into in the stator frame has most to expose in the up end of stator frame, through adopting above-mentioned technical scheme for a location section of thick bamboo can peg graft in the stator core upper end more steadily, and when the pressure disk exerted pressure to the bobbin base, a location section of thick bamboo can be gradually with the stator core who exposes the stator frame impress completely in the stator frame.

The present invention may be further configured in a preferred embodiment as: the barrel bottom is provided with a through heat dissipation hole.

By adopting the technical scheme, the stator core and the stator base are inevitably subjected to frictional heating during press mounting, and the ventilation and heat dissipation holes are favorable for discharging heat in the positioning cylinder during the press mounting.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the fixing piece, the replacement piece, the quick-release coaxial connection of the fixing piece and the replacement piece and the coaxial arrangement of the fixing piece and the pressure plate, the press-fitting equipment in the scheme not only can realize press-fitting on stator assemblies with different sizes, but also has higher coaxiality between the pressed stator core and the stator base, and is beneficial to improving the press-fitting quality of the stator assemblies;

2. through the arrangement of the plug hole, the plug rod, the limiting convex edge, the limiting groove, the first anti-slip surface and the second anti-slip surface, the replacement part and the fixing part can be connected and matched more stably;

3. through the setting of first spacing ring and guide post, be favorable to improving the axiality when stator module and replacement are connected.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is an exploded view showing a connection relationship between the stator pressing tool and the stator assembly in this embodiment.

Fig. 3 is a schematic view of the overall structure of the positioning cylinder in this embodiment.

Fig. 4 is a schematic view of the overall structure of a stator assembly in the prior art.

In the figure, 1, a frame; 2. a stamping mechanism; 21. a platen; 22. a drive member; 3. a stamping workbench; 4. pressing a stator tool; 41. positioning a base; 411. a fixing member; 4111. inserting holes; 4112. a limiting groove; 4113. a first anti-slip surface; 412. a replacement component; 4121. a plug rod; 4122. a limiting convex rib; 4123. a first limit ring; 4124. a guide post; 42. a positioning cylinder; 421. an open end; 422. a cylinder bottom; 4221. ventilating and radiating holes; 423. a second stop collar; 5. a stator assembly; 51. a stator core; 52. a stator winding; 53. stator frame.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the press-fitting device for the stator assembly disclosed in this embodiment includes a frame 1, a stamping mechanism 2 is disposed on the frame 1, and a horizontal stamping table 3 is fixed on the frame 1 below the stamping mechanism 2. The punching mechanism 2 comprises a pressure plate 21 and a driving member 22, the driving member 22 adopts a servo cylinder fixed with the frame 1 along the vertical direction, the pressure plate 21 is a block-shaped entity made of stainless steel, the pressure plate 21 is fixed at one end of a piston rod of the servo cylinder close to the punching workbench 3, and the servo cylinder drives the pressure plate 21 to reciprocate along the vertical direction. One side of the stamping workbench 3 close to the stamping mechanism 2 is provided with a stator pressing tool 4, the stator pressing tool 4 is positioned below the stamping mechanism 2, and the stator pressing tool 4 is used for providing a stamping station for the stator assembly 5 to be pressed so that the stamping mechanism 2 can press the stator assembly 5.

Referring to fig. 2, the stator pressing tool 4 includes a positioning base 41, the positioning base 41 includes a fixing member 411 and a replacement member 412, an insertion rod 4121 is integrally fixed to one end of the replacement member 412 close to the stamping workbench 3, an insertion hole 4111 in insertion fit with the insertion rod 4121 is formed in one surface of the fixing member 411 far away from the stamping workbench 3, and the replacement member 412 is detachably connected to one end of the fixing member 411 close to the stamping mechanism 2 through the insertion rod 4121 and the insertion hole 4111. The fixing member 411 is fixed to the press table 3, and the central axis of the fixing member 411, the central axis of the insertion hole 4111, the central axis of the insertion rod 4121, and the central axis of the replacement member 412 are all arranged in the same line with the central axis of the pressure plate 21, so that the stator assembly 5 easily positioned on the positioning base 41 and the pressure plate 21 keep high coaxiality. The periphery of the insertion rod 4121 is integrally fixed with a limiting convex ridge 4122, and the limiting convex ridge 4122 extends along the length direction of the insertion rod 4121. Limiting grooves 4112 are formed in the hole wall of the insertion hole 4111, the limiting grooves 4112 penetrate through the end face of the fixing piece 411 close to the replacement piece 412, and the limiting grooves 4112 extend along the length direction of the insertion hole 4111. The limiting groove 4112 is used for the limiting protrusion 4122 to insert, so as to reduce the possibility of circumferential rotation of the insertion rod 4121 in the insertion hole 4111, which is beneficial to improving the connection stability between the replacement part 412 and the fixing part 411. Further, the end surface of the fixing member 411 near the end of the punching mechanism 2 is made with a first anti-slip surface 4113 by sand blasting with a sand blasting machine, the end surface of the replacement member 412 connected to the insertion rod 4121 is made with a second anti-slip surface (not shown in the figure) by sand blasting with a sand blasting machine, and when the replacement member 412 is inserted into the fixing member 411, the first anti-slip surface 4113 abuts against the second anti-slip surface to increase the friction force between the replacement member 412 and the fixing member 411.

Referring to fig. 2, a first limiting ring 4123 is integrally and coaxially fixed on an end surface of the replacing member 412 near one end of the stamping mechanism 2, a radial cross section of the first limiting ring 4123 is circular, a diameter of the first limiting ring 4123 is smaller than a diameter of the replacing member 412, a guide column 4124 coaxially fixed with the replacing member 412 is arranged at a center of the first limiting ring 4123, and the guide column 4124 is cylindrical and extends toward the stamping mechanism 2. One surface of the replacing part 412 close to the stamping mechanism 2 is used for positioning the stator assembly 5, when the stator assembly 5 is connected with the replacing part 412, the replacing part 412 plays a supporting role for the stator base 53, the first limit ring 4123 is abutted with the lower end surface of the stator core 51, the guide column 4124 penetrates through the center of the stator core 51, and finally the effect of coaxially connecting the stator assembly 5 and the replacing part 412 is achieved.

Referring to fig. 2 and 3, the stator pressing tool 4 further includes a positioning cylinder 42, the positioning cylinder 42 is a cylinder with a hollow interior, one end of the positioning cylinder 42 in the length direction is an open end 421, a cylinder bottom 422 is integrally fixed to the other end of the positioning cylinder, and a plurality of ventilation and heat dissipation holes 4221 penetrating through the cylinder bottom 422 are formed in the cylinder bottom 422 along the circumferential direction of the cylinder bottom 422. A second limit ring 423 is integrally fixed on the inner peripheral wall of one end of the positioning cylinder 42 close to the open end 421, and the radial section of the second limit ring 423 is a concentric circle of the radial section of the positioning cylinder 42. The outer diameter of the positioning cylinder 42 is equal to the diameter of the stator core 51, the inner diameter of the second limit ring 423 is larger than the diameter of the guide post 4124, when the stator assembly 5 is positioned on the replaceable part 412, the positioning cylinder 42 is detachably inserted into one end of the stator assembly 5 far away from the replaceable part 412 through the open end 421 of the positioning cylinder, and at the moment, the second limit ring 423 is abutted to the upper end face of the stator core 51. When the pressure plate 21 is press-fitted from above, the pressure plate 21 applies pressure to the cylinder bottom 422 of the positioning cylinder 42, and the stator core 51 is pressed into the stator frame 53 through the positioning cylinder 42.

The implementation principle of the embodiment is as follows: before press mounting, the stator core 51 with the stator winding 52 is sleeved into the stator base 53 to form a primary assembly body of the stator assembly 5, and at the moment, part of the stator core 51 is exposed out of one axial end of the stator base 53. The worker selects the replacement part 412 and the positioning barrel 42 which are matched with the stator assembly 5 according to the size of the initial assembly body of the stator assembly 5 needing press-fitting. After the replacement part 412 is inserted and assembled with the fixing part 411, the initial assembly body of the stator assembly 5 is inserted and assembled at one end of the replacement part 412 far away from the fixing part 411, and the positioning cylinder 42 is inserted and assembled at one end of the stator core 51 far away from the replacement part 412. The pressure plate 21 is driven by the driving piece 22 to apply pressure to the upper end of the positioning cylinder 42, and as the pressure plate 21 moves downwards, one end of the stator core 51 exposed out of the stator base 53 is gradually pressed into the stator base 53, so that the press fitting of the stator assembly 5 is completed. Because the fixing part 411, the replacement part 412 and the first limiting and guiding column 4124 on the replacement part 412 in the embodiment are all arranged coaxially with the pressure plate 21, and under the condition of replacing the replacement part 412, the fixing part 411 is always fixed with the stamping workbench 3 to maintain the coaxiality of the stator pressing tool 4 and the pressure plate 21, thereby being beneficial to improving the coaxiality of the stator core 51 and the stator base 53 during press mounting, and finally achieving the effect of improving the press mounting quality of the stator assembly 5.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a stator module's pressure equipment, includes frame (1), be provided with punching press mechanism (2) and stamping work platform (3) that are located punching press mechanism (2) below in frame (1), punching press mechanism (2) are including pressure disk (21) and driving piece (22), driving piece (22) order about pressure disk (21) and move along vertical direction, stamping work platform (3) are close to the one side of punching press mechanism (2) is equipped with pressure stator frock (4), press stator frock (4) including location base (41) and a location section of thick bamboo (42) of detachable connection, its characterized in that: location base (41) include mounting (411), mounting (411) are fixed in punching press workstation (3) are close to the one side of punching press mechanism (2), just mounting (411) with pressure disk (21) coaxial arrangement, location base (41) still include be used for with stator module grafting complex replacement (412), replace (412) quick detach connect in mounting (411) are close to the one end of punching press mechanism (2), just replace (412) with mounting (411) coaxial coupling.

2. A press-fitting apparatus of a stator assembly as set forth in claim 1, wherein: an inserting hole (4111) is formed in one end, close to the stamping mechanism (2), of the fixing piece (411), a central axis of the inserting hole (4111) is collinear with a central axis of the fixing piece (411), an inserting rod (4121) is fixed to one end, far away from the stamping mechanism (2), of the replacing piece (412), and the central axis of the inserting rod (4121) is collinear with the central axis of the replacing piece (412).

3. A press-fitting apparatus of a stator assembly as set forth in claim 2, wherein: the periphery of the insertion rod (4121) is fixed with a limiting convex edge (4122), the limiting convex edge (4122) extends along the length direction of the insertion rod (4121), and a limiting groove (4112) for the limiting convex edge (4122) to be inserted is formed in the hole wall of the insertion hole (4111).

4. A press-fitting apparatus of a stator assembly as set forth in claim 2, wherein: the end face of one end, close to the stamping mechanism (2), of the fixing piece (411) is provided with a first anti-skid face (4113), the end face of one end, connected with the insertion rod (4121), of the replacing piece (412) is provided with a second anti-skid face, and when the replacing piece (412) is inserted into the fixing piece (411), the first anti-skid face (4113) is abutted to the second anti-skid face.

5. A press-fitting apparatus of a stator assembly as set forth in claim 1, wherein: a first limiting ring (4123) used for abutting against the lower end of the stator core is fixed on the replacing part (412), the first limiting ring (4123) is located at one end, close to the stamping mechanism (2), of the replacing part (412), and the first limiting ring (4123) and the replacing part (412) are coaxially fixed.

6. A press-fitting apparatus of a stator assembly as set forth in claim 1, wherein: and a guide post (4124) which is used for penetrating into the stator core is coaxially fixed on the replacing part (412), and the guide post (4124) is positioned at one end of the replacing part (412) close to the punching mechanism (2).

7. A press-fitting apparatus of a stator assembly as set forth in claim 6, wherein: the positioning cylinder (42) is in a hollow cylindrical shape, one end of the positioning cylinder (42) in the length direction is an open end (421), the other end of the positioning cylinder is fixed with a cylinder bottom (422), and a second limiting ring (423) used for being abutted to the upper end of the stator iron core is fixed on the inner peripheral wall of one end, close to the open end (421), of the positioning cylinder (42); the outer diameter of the positioning cylinder (42) is equal to the diameter of the stator core, and the inner diameter of the second limiting ring (423) is larger than the diameter of the guide column (4124).

8. A press-fitting apparatus of a stator assembly as set forth in claim 7, wherein: the barrel bottom (422) is provided with a ventilation heat dissipation hole (4221).