CN220798008U - Tightening structure and wire plugging device - Google Patents

Abstract

The utility model belongs to the technical field of motor equipment, and particularly relates to a tightening structure and a wire plugging device. Tightening structure for compress tightly the band wire, tightening structure includes the solid line slip table, tighten driving assembly and a plurality of telescopic links of arranging along the circumference of solid line slip table, gu the week side of line slip table has been seted up and has been used for supplying the band wire to insert the solid line groove of establishing, the telescopic link all corresponds and sets up a solid line groove, the telescopic link is including connecting the pole body of tightening driving assembly, have elastic restoring force and the elastic component of one end connecting pole body and the compression head of connecting the elastic component other end, tighten driving assembly is used for driving each pole body and moves towards solid line slip table, in order to make pole body compression elastic component and drive compression head towards the flat wire that the interior compression of solid line groove corresponds. The utility model improves the plug wire precision of the flat wire and improves the reliability of the flat wire.

Description

Tightening structure and wire plugging device

Technical Field

The utility model belongs to the technical field of motor equipment, and particularly relates to a tightening structure and a wire plugging device.

Background

The new energy vehicle is an automobile which adopts unconventional vehicle fuel as a power source. The vehicle power control system integrates advanced technology in the aspects of vehicle power control and driving, and has advanced technical principles, new technology and new structure. With the rapid development of new energy automobiles, higher requirements are put forward on motors used in the new energy automobiles. Motors need to be developed towards high power, high rotational speed and high torque, while motors employing flat magnet wires (flat wires) can meet higher power density requirements.

In the production process of the motor, a flat wire made of copper needs to be inserted into a core slot of the stator. Before the flat wire is inserted into the wire slot of the iron core, the flat wire is required to be inserted into the transfer mold, the pre-wire arrangement is performed on the transfer mold, and then the coil formed by a plurality of flat wires on the transfer mold is integrally transferred into the wire slot of the iron core of the stator.

The wire plugging machine in the prior art generally plugs wires around the circumference of the transfer die, and sequentially inserts the multi-layer flat wire on the transfer die, so that the pins of the outermost layer flat wire are simultaneously pressed by a plurality of telescopic rods when the multi-layer flat wire is pressed inwards to form a coil.

However, in the compression process, due to errors and assembly positioning errors, when each telescopic rod is radially contracted, certain telescopic rods can not be completely abutted against corresponding pins, or some telescopic rods excessively squeeze flat wires to damage the flat wires, so that the wire plugging precision and reliability of the coil are low.

Disclosure of Invention

An aim of the embodiment of the application is to provide a tightening structure, which aims at solving the problems of how to improve the plug wire precision of flat wires and improve the reliability of the flat wires.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows:

in a first aspect, a tightening structure is provided for compressing flat wires, the tightening structure includes a wire fixing sliding table, tightening driving components and a plurality of telescopic rods arranged along the circumference of the wire fixing sliding table, a wire fixing groove for inserting the flat wires is formed in the circumferential surface of the wire fixing sliding table, the telescopic rods are respectively and correspondingly provided with one wire fixing groove, each telescopic rod comprises a rod body connected with the tightening driving components, an elastic member with elastic restoring force and one end connected with the rod body, and a compression head connected with the other end of the elastic member, and the tightening driving components are used for driving each rod body to move towards the wire fixing sliding table so that the rod body compresses the elastic member and drives the compression head to compress the corresponding flat wires in the wire fixing groove.

In some embodiments, the tightening driving assembly includes a tightening disc chuck and a driving disc stacked on the tightening disc chuck, the tightening disc chuck is provided with a plurality of guide grooves, each guide groove is arranged along a circumferential direction of the wire fixing sliding table, each rod body is respectively and slidably arranged in each guide groove, and the driving disc rotates by a predetermined angle relative to the tightening disc chuck so as to drive each rod body to slide along the guide groove.

In some embodiments, the tightening driving assembly further includes a plurality of pushing slide plates and guide slide columns with one ends connected with the pushing slide plates, wherein each pushing slide plate is connected with at least one rod body, the surface of the driving disc facing the pushing slide plate is provided with an arc groove, the arc grooves are arranged at intervals along the circumferential direction of the driving disc, and the other ends of the guide slide columns are respectively and slidably arranged in the arc grooves.

In some embodiments, the rod bodies are arranged in pairs, and the two rod bodies are respectively connected with two ends of the same pushing slide plate.

In some embodiments, the pressing head is provided with a guiding chute, the elastic piece is located in the guiding chute and connected with the pressing head, and one end of the rod body extends into the guiding chute and is connected with the elastic piece.

In some embodiments, the telescopic rod further comprises a guide rod, the rod body is provided with a guide hole, one end of the guide rod is located in the guide chute and connected with the pressing head, the other end of the guide rod is slidably arranged in the guide hole, the elastic piece is a tube spring, and the tube spring is sleeved on the guide rod and abuts against the edge of the orifice of the guide hole.

In some embodiments, the telescopic rod further comprises a pin connected with the rod body, the pin is located at one end of the rod body inserted into the guide chute, a retraction groove is formed in the position, corresponding to the pin, of the pressing head, and the pin is slidably inserted into the retraction groove.

In some embodiments, the tightening drive assembly further comprises a tightening drive and a transmission gear connected with the tightening drive, wherein the disc edge of the driving disc is provided with gear teeth for engaging the transmission gear, and the transmission gear is connected with an output shaft of the tightening drive.

In some embodiments, a clearance ring groove is formed in one end, adjacent to the telescopic rod, of the wire fixing sliding table, the clearance ring groove is circumferentially arranged around the wire fixing sliding table and communicated with each wire fixing groove, and the telescopic rod stretches into the clearance ring groove and abuts against the corresponding flat wire.

In a second aspect, a patch cord device is provided that includes the cinching mechanism.

The beneficial effects of this application lie in: the compression head is firstly abutted against the flat wire in the process of abutting the telescopic rod against the flat wire, and along with the continuous sliding of the rod body towards the wire fixing sliding table, the elastic piece is elastically compressed and deformed between the compression head and the rod body, so that each compression head has a certain retraction space relative to each flat wire, after the rod body slides in place, each elastic piece is in a compressed state and respectively pushes each compression head towards the flat wire, each compression head is tightly abutted against the flat wire under the action of the elastic piece and the rod body, the situation that the pins of the flat wire are damaged due to excessive compression of the flat wire by some position telescopic rods under the influence of errors is avoided, the plug wire precision of the flat wire is improved, and the reliability of the flat wire is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required for the description of the embodiments or exemplary techniques will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is a schematic perspective view of a wire plugging device according to an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of the wire insertion device of FIG. 1 along the axial direction of the central rotational axis;

FIG. 3 is a schematic perspective view of the tightening structure of FIG. 1;

FIG. 4 is an exploded schematic view of the tightening structure of FIG. 3;

FIG. 5 is an exploded view of another embodiment of the tightening structure of FIG. 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the orientation or positional relationship shown in the drawings, are for convenience of description only, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application, and the specific meaning of the terms described above may be understood by those of ordinary skill in the art as appropriate. The terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "a plurality of" is two or more, unless specifically defined otherwise.

Referring to fig. 1 to 2, a tightening structure 500 and a wire plugging device 150 with the same are provided in the embodiments of the present application. The plug wire device 150 is used for fixed flat wire, and flat wire removes and inserts on locating plug wire device 150 under the centre gripping of the manipulator of clamp line device, tightens up structure 500 and can compress tightly flat wire to the location and the subsequent of flat wire pull out. The flat wire is a flat electromagnetic wire in the new energy motor, the cross section of the flat wire is polygonal, and the flat wire is provided with one pin or two pins.

In this embodiment, the flat wire has two pins, and in other embodiments, the flat wire may be selected according to practical situations, which is not limited herein. It can be appreciated that a plurality of flat wires are sequentially inserted on the wire inserting device 150, and the flat wires are distributed in multiple layers on the wire inserting device 150, and the coil 140 is formed.

Referring to fig. 3 to 5, the tightening structure 500 includes a wire fixing sliding table 502, a tightening driving assembly 503, and a plurality of telescopic rods 504 arranged along a circumferential direction of the wire fixing sliding table 502, a plurality of wire fixing grooves 5021 are formed in a side surface of the wire fixing sliding table 502, each wire fixing groove 5021 is used for accommodating the flat wire and is arranged along the circumferential direction of the wire fixing sliding table 502, each telescopic rod 504 is arranged at intervals along the circumferential direction of the wire fixing sliding table 502, and any wire fixing groove 5021 is correspondingly provided with one telescopic rod 504.

Referring to fig. 3 to 5, it can be understood that the pins are inserted into the wire-fixing groove 5021, and a plurality of layers of pins are stacked along the groove depth direction of the wire-fixing groove 5021. The tightening driving assembly 503 is configured to drive each of the telescopic rods 504 to extend into each of the wire fixing grooves 5021, so that the telescopic rods 504 compress the corresponding flat wire towards the inside of the wire fixing groove 5021, or the tightening driving assembly 503 drives each of the telescopic rods 504 to move towards the outside of the wire fixing groove 5021, so that the telescopic rods 504 are separated from the pins in the wire fixing groove 5021.

The telescopic rod 504 includes a rod body 5041 connected to the tightening driving assembly 503, an elastic member having an elastic restoring force and one end connected to the rod body 5041, and a compression head 5042 connected to the other end of the elastic member, where the tightening driving assembly 503 is configured to drive each rod body 5041 to move toward the wire fixing sliding table 502, so that the rod body 5041 compresses the elastic member and drives the compression head 5042 to compress the corresponding flat wire toward the wire fixing slot 5021, so as to ensure the wire insertion precision.

Referring to fig. 3 to 5, in the process of abutting the telescopic rod 504 against the flat wire, the pressing head 5042 abuts against the flat wire first, and along with the continuous sliding of the rod body 5041 towards the wire fixing sliding table 502, the elastic member is elastically compressed and deformed between the pressing head 5042 and the rod body 5041, so that each pressing head 5042 has a certain retraction space relative to each flat wire, and after the rod body 5041 slides in place, each elastic member is in a compressed state and pushes each pressing head 5042 towards the flat wire, so that each pressing head 5042 tightly abuts against the flat wire under the action of the elastic member and the rod body 5041, thereby avoiding damage to pins of the flat wire due to excessive pressing of the flat wire by some position telescopic rods 504, and improving the plug wire accuracy of the flat wire due to non-abutting against the flat wire.

Referring to fig. 3 to 5, optionally, the tightening driving component 503 drives each telescopic rod 504 to move towards each wire fixing groove 5021, so that one end of each telescopic rod 504 is respectively abutted against the pins of the outermost layer, and each pin is pressed inwards in the wire fixing groove 5021, so that each pin is restrained in the wire fixing groove 5021 and forms a coil 140, and in the process of pulling out the wire fixing groove 5021 from the subsequent coil 140, the tightening driving component 503 drives each telescopic rod 504 to move towards the outside of each wire fixing groove 5021, so as to release the abutment and compression of flat wires, thereby facilitating the coil 140 to be gripped and pulled out of the wire fixing groove 5021 as a whole.

Referring to fig. 3 to 5, alternatively, the flat wire may extend to the wire fixing groove 5021 directly when the wire is inserted, or may be pressed down into each wire fixing groove 5021 by an external force after a layer of flat wire is inserted.

Referring to fig. 3 to 5, in some embodiments, the tightening driving assembly 503 includes a tightening disc chuck 5032 and a driving disc 5031 stacked on the tightening disc chuck 5032, the tightening disc chuck 5032 is provided with a plurality of guide grooves 5033, each guide groove 5033 is disposed along a circumferential direction of the wire fixing sliding table 502, each rod body 5041 is slidably disposed in each guide groove 5033, and the driving disc 5031 rotates by a predetermined angle relative to the tightening disc chuck 5032 to drive each rod body 5041 to slide along the guide groove 5033.

Referring to fig. 3 to 5, it can be understood that the driving disc 5031 rotates clockwise by a predetermined angle relative to the tightening disc 5032, so that each telescopic rod 504 extends into the wire fixing groove 5021 and presses the pins to the wire fixing groove 5021; similarly, the driving disc 5031 is rotated counterclockwise relative to the tightening disc 5032 by a predetermined angle to disengage each telescoping rod 504 from the outermost pin, respectively. The pressing heads 5042 can be brought into contact with the flat wire or the pressing heads 5042 can be separated from the flat wire by moving the rod bodies 5041 by rotating the driving disk 5031.

Referring to fig. 3 to 5, in some embodiments, the tightening driving assembly 503 further includes a pushing slide 5048 and a guiding slide 5049 with one end connected to the pushing slide 5048, the pushing slide 5048 is provided with a plurality of pushing slide 5048, and any pushing slide 5048 is connected to at least one rod body 5041, the surface of the driving plate 5031 facing the pushing slide 5048 is provided with an arc-shaped groove 5035, the arc-shaped grooves 5035 are arranged at intervals along the circumferential direction of the driving plate 5031, and the other end of each guiding slide 5049 is respectively slidably disposed in each arc-shaped groove 5035.

Referring to fig. 3 to 5, alternatively, the extending path of the arc-shaped grooves 5035 is an arc, and the arc-shaped grooves 5035 are arranged on the driving disc 5031 at intervals, and the arc-shaped grooves 5035 drive the guiding sliding columns 5049 to slide during rotation, so as to drive the telescopic rods 504 to slide in the guiding grooves 5033, and the rotation is stable and the efficiency is high.

In some embodiments, the telescoping rods 504 are arranged in pairs and are each connected to the same push sled 5048.

Referring to fig. 3 to 5, it can be understood that two ends of the pushing slide plate 5048 are respectively connected with one telescopic rod 504, that is, two adjacent telescopic rods 504 are respectively connected with two ends of the same pushing slide plate 5048, so that the pushing slide plate 5048 drives the two telescopic rods 504 to slide simultaneously, and meanwhile, the number of the pushing slide plate 5048 and the arc-shaped grooves 5035 can be reduced, which is beneficial to reducing the cost and the compactness of the structure.

In some embodiments, the pressing head 5042 is provided with a guiding chute 5044, the elastic member is located in the guiding chute 5044 and connected to the pressing head 5042, and one end of the rod body 5041 extends into the guiding chute 5044 and is connected to the elastic member.

It can be appreciated that the pressing head 5042 is sleeved on one end of the rod body 5041 through the guiding chute 5044, and the shape of the guiding chute 5044 is adapted to the shape of the rod body 5041, and the pressing head 5042 can be guided to retract through the guiding chute 5044, so as to improve the reliability of pressing the flat wire.

Referring to fig. 3 to 5, in some embodiments, the telescopic rod 504 further includes a guide rod 5043, the rod body 5041 is provided with a guide hole 5047, one end of the guide rod 5043 is located in the guide chute 5044 and is connected to the pressing head 5042, the other end of the guide rod 5043 is slidably disposed in the guide hole 5047, the elastic member is a tube spring, and the tube spring is sleeved on the guide rod 5043 and abuts against an orifice edge of the guide hole 5047.

Optionally, during the process of compressing the flat wire by the telescopic rod 504, the guide rod 5043 guides the rod body 5041 to move towards the compressing head 5042, which is equivalent to that the compressing head 5042 retracts and slides relative to the rod body 5041, so that each compressing head 5042 abuts against the flat wire, thereby improving the stability and reliability of compressing the flat wire by the compressing head 5042.

Referring to fig. 3 to 5, in some embodiments, two guide rods 5043 are disposed at intervals, and each guide rod 5043 is provided with the tube spring.

The tube spring has the following characteristics:

elastic recovery ability: the tube spring has good elasticity, and can recover after being stressed, and stable elastic force is provided. This enables the tube spring to absorb and dampen vibrations, impact forces or load changes, protecting other components from damage.

Compression performance: the tube spring can be compressed to a smaller space and returns to its original shape after being released. This compression allows the tube spring to accommodate compact spaces or positions where pressure or height needs to be adjusted.

Good durability: tube springs are typically made of corrosion and wear resistant materials and have a long service life. They are able to withstand repeated compression and release cycles while retaining their elasticity and functionality.

Diversity and adaptability: the tube spring can be designed and manufactured according to different application requirements, and comprises adjustment in aspects of shape, size, material, elastic property and the like.

Referring to fig. 3 to 5, in some embodiments, the telescopic rod 504 further includes a pin 5046 connected to the rod body 5041, the pin 5046 is located at an end of the rod body 5041 inserted into the guiding chute 5044, a retraction slot 5045 is formed at a position of the pressing head 5042 corresponding to the pin 5046, the pin 5046 is slidably inserted into the retraction slot 5045, and the pressing head 5042 can be guided to retract and reset by cooperation of the pin 5046 and the retraction slot 5045.

It will be appreciated that the pins 5046 are provided on both sides of the lever body 5041.

Referring to fig. 3-5, in some embodiments, the tightening drive assembly 503 further includes a tightening driver 507 and a transmission gear 5051 connected to the tightening driver 507, a disk edge of the driving disk 5031 is provided with gear teeth 5034 for engaging the transmission gear 5051, and the transmission gear 5051 is connected to an output shaft of the tightening driver 507.

Alternatively, the transmission gear 5051 is rotatably connected to the tightening flower disc 5032, and the transmission gear 5051 is used to transmit the rotational power of the tightening driver 507 to the driving disc 5031, so that the efficiency of power transmission can be improved by gear engagement, and the transmission process is smooth.

Referring to fig. 3 to 5, in some embodiments, a clearance ring groove 5022 is provided at an end of the wire fixing sliding table 502 adjacent to the telescopic rod 504, the clearance ring groove 5022 is circumferentially arranged around the wire fixing sliding table 502 and is communicated with each wire fixing groove 5021, and the telescopic rod 504 extends into the clearance ring groove 5022 and abuts against the corresponding flat wire.

Optionally, the clearance ring groove 5022 is located at the lower end of the wire fixing sliding table 502, and the pins extend into the clearance ring groove 5022, so that the width of the telescopic rod 504 can be appropriately increased, the structural strength of the telescopic rod 504 is improved, the telescopic rod 504 can effectively compress the pins, the interference between the telescopic rod 504 and the groove wall of the wire fixing groove 5021 can be prevented, and the reliability is improved.

Optionally, the tightening structure 500 further includes a wire fixing disc 501, where the wire fixing disc 501 is located at an upper end of the wire fixing sliding table 502 and is used to assist in positioning each flat wire. The wire fixing plate 501 is provided with a wire inserting groove 52, and pins of the flat wire pass through the wire inserting groove 52 and extend to the wire fixing groove 5021.

The utility model also provides a wire plugging device 150, the wire plugging device 150 comprises a tightening structure 500, and the specific structure of the tightening structure 500 refers to the above embodiment, and because the wire plugging device 150 adopts all the technical solutions of all the embodiments, the wire plugging device also has all the beneficial effects brought by the technical solutions of the embodiments, and the detailed description is omitted herein.

In some embodiments, the wire insertion device 150 further includes a manipulator for clamping and inserting the flat wire into the wire retention groove 5021.

The foregoing is merely an alternative embodiment of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. The utility model provides a tighten up structure for compress tightly the flat wire, its characterized in that, tighten up structure includes the solidus slip table, tightens up drive assembly and follows a plurality of telescopic links that the circumference of solidus slip table was arranged, the periphery of solidus slip table has been seted up and is used for supplying the flat wire inserts the solidus groove of establishing, the telescopic link all corresponds and sets up one the solidus groove, the telescopic link is including connecting tighten up drive assembly's pole body, have elastic restoring force and one end is connected the elastic component of pole body and connect the closing head of the other end of elastic component, tighten up drive assembly and be used for driving each pole body towards the solidus slip table removes, so that pole body compression elastic component and drive closing head towards compress tightly corresponding in the solidus groove.

2. The tightening structure according to claim 1, characterized in that: the tightening driving assembly comprises a tightening flower disc and a driving disc, wherein the driving disc is arranged on the tightening flower disc in a stacked mode, a plurality of guide grooves are formed in the tightening flower disc, the guide grooves are arranged along the circumference of the wire fixing sliding table, the rod bodies are respectively arranged in the guide grooves in a sliding mode, and the driving disc rotates for a preset angle relative to the tightening flower disc so as to drive the rod bodies to slide along the guide grooves.

3. The tightening structure according to claim 2, characterized in that: the tightening driving assembly further comprises a plurality of pushing sliding plates and guide sliding columns, one ends of the guide sliding columns are connected with the pushing sliding plates, each pushing sliding plate is at least connected with one rod body, the driving disc faces the surface of the pushing sliding plate, arc grooves are formed in the surface of the driving disc, the arc grooves are arranged at intervals along the circumferential direction of the driving disc, and the other ends of the guide sliding columns are respectively arranged in the arc grooves in a sliding mode.

4. A tightening structure according to claim 3, characterized in that: the rod bodies are arranged in pairs, and the two rod bodies are respectively connected with two ends of the same pushing slide plate.

5. The tightening structure according to any one of claims 1 to 4, characterized in that: the compression head is provided with a guide chute, the elastic piece is positioned in the guide chute and connected with the compression head, and one end of the rod body extends into the guide chute and is connected with the elastic piece.

6. The tightening structure according to claim 5, wherein: the telescopic link still includes the guide bar, the guiding hole has been seted up to the pole body, the one end of guide bar is located the direction spout and connect compress tightly the head, the other end of guide bar slide set up in the guiding hole, the elastic component is the tube spring, just the tube spring overcoat in the guide bar, and the butt the drill way edge of guiding hole.

7. The tightening structure according to claim 5, wherein: the telescopic rod further comprises a pin connected with the rod body, the pin is located at one end of the rod body inserted into the guide chute, a retraction groove is formed in the position, corresponding to the pin, of the pressing head, and the pin is slidably inserted into the retraction groove.

8. The tightening structure according to any one of claims 2 to 4, characterized in that: the tightening driving assembly further comprises a tightening driver and a transmission gear connected with the tightening driver, gear teeth for meshing the transmission gear are formed on the edge of the driving disc, and the transmission gear is connected with an output shaft of the tightening driver.

9. The tightening structure according to any one of claims 1 to 4, characterized in that: the wire fixing sliding table is characterized in that one end of the wire fixing sliding table adjacent to the telescopic rod is provided with a clearance ring groove, the clearance ring groove is circumferentially arranged around the wire fixing sliding table and communicated with each wire fixing groove, and the telescopic rod stretches into the clearance ring groove and abuts against the corresponding flat wire.

10. A wire insertion device comprising a tightening structure according to any one of claims 1 to 9.