CN115069926A

CN115069926A - Copper wire bending device of motor for automobile

Info

Publication number: CN115069926A
Application number: CN202210801893.4A
Authority: CN
Inventors: 沈书成; 管良俊; 司海波; 马晓波; 史鹏睿; 骆勇军; 覃亮; 牛亚琪
Original assignee: Zhejiang Geely Holding Group Co Ltd; Weirui Electric Automobile Technology Ningbo Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Weirui Electric Automobile Technology Ningbo Co Ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-09-20

Abstract

The invention discloses a copper wire bending device of an automobile motor, which comprises: an operating platform; the adjusting mechanism comprises an operating platform, at least two adjusting mechanisms and a control device, wherein the operating platform is provided with a plurality of adjusting mechanisms; the adjusting mechanism is fixed on the transmission piece, and each transmission piece independently rotates; the middle bending piece is fixed on the adjusting mechanism and is fixed at one end adjacent to the adjusting mechanism; and the two-end bending piece is arranged on the adjusting mechanism, is positioned on one side of the middle bending piece and allows the two-end bending piece to slide and rotate on the adjusting mechanism. The copper wire bending device for the automobile motor can obtain a high-quality U-shaped coil of the automobile motor.

Description

Copper wire bending device of motor for automobile

Technical Field

The invention relates to the technical field of automobile motor manufacturing, in particular to a copper wire bending device of an automobile motor.

Background

Along with the development demand of high-performance motors of new energy automobiles, driving motors of electric automobiles are efficient, small in size and low in noise, original winding coils are changed into hairpin-shaped U-shaped coils, and the U-shaped coils can be formed through numerical control bending forming and multi-stage die cavity stamping dies.

However, when the U-shaped coil is formed, the U-shaped coil obtained by the numerical control bending forming process has poor consistency, the stability of the product cannot be better ensured, and the production efficiency is low. The multi-stage die cavity stamping die is formed, and needs to be circulated in a plurality of die cavities for many times, so that the secondary positioning precision is reduced, and the product qualification rate is reduced.

Disclosure of Invention

The invention aims to provide a copper wire bending device of an automobile motor, which can be used for automatically and programmatically bending a copper wire to obtain a high-quality U-shaped coil and has high controllability and convenient operation.

The invention provides a copper wire bending device of an automobile motor, which at least comprises:

an operating platform;

the adjusting mechanism comprises an operating platform, at least two adjusting mechanisms and a control device, wherein the operating platform is provided with a plurality of adjusting mechanisms;

the adjusting mechanism is fixed on the transmission piece, and each transmission piece independently rotates;

the middle bending piece is fixed on the adjusting mechanism and is fixed at one end adjacent to the adjusting mechanism; and

the two ends of the bending piece are arranged on the adjusting mechanism, the two ends of the bending piece are located on one side of the middle bending piece, and the two ends of the bending piece are allowed to slide and rotate on the adjusting mechanism.

In an embodiment of the present invention, a sliding groove is disposed on the operating platform, and the adjusting mechanism rotates on the operating platform through the sliding groove.

In an embodiment of the invention, the bending device includes at least two middle bending motors, and the middle bending motors are connected with the transmission member.

In an embodiment of the invention, the middle bending motor includes a first middle bending motor and a second middle bending motor, and the rotation directions of the first middle bending motor and the second middle bending motor are opposite.

In an embodiment of the present invention, the bending device includes at least two end bending motors, and the two end bending motors are connected to the two end bending pieces on the adjusting mechanism through a universal joint and a connecting shaft.

In an embodiment of the invention, the middle bending piece and the two end bending pieces are provided with grooves, and the copper wire is clamped on the middle bending piece and the two end bending pieces through the grooves.

In an embodiment of the present invention, the bending device includes an adjusting motor, the adjusting mechanism includes a lead screw, and the lead screw is connected to the adjusting motor.

In an embodiment of the present invention, the adjusting mechanism includes a guide rail and a slider, and the slider slides on the guide rail under the driving of the screw rod.

In an embodiment of the invention, the adjusting mechanism includes a connecting rod, and the two end bending pieces are connected with the sliding block through the connecting rod.

In an embodiment of the invention, the adjusting mechanism includes a fixing member, the fixing member is disposed between the two end bending members and the middle bending member, and the fixing member is connected to the sliding block through the connecting rod.

In summary, the present invention provides a copper wire bending apparatus for an automotive motor, which can achieve different operations through different motors and different control methods, so as to complete bending of a copper wire and obtain a high-quality U-shaped coil. Bending of the copper wire is completed through an automatic program, U-shaped coils of different models are obtained, controllability is high, operation is convenient, and multi-linear and multi-length debugging production is achieved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic three-dimensional structure diagram of a copper wire bending apparatus according to an embodiment.

Fig. 2 is a top view of an embodiment of a copper wire bending apparatus.

FIG. 3 is a side view of an embodiment of a copper wire bending apparatus.

Fig. 4 is a cross-sectional view of the copper wire bending apparatus in the direction of the copper wire in fig. 2.

FIG. 5 is a schematic view of a first adjustment mechanism in one embodiment.

FIG. 6 is a partial view of a copper wire bending apparatus according to an embodiment.

Fig. 7 is a schematic diagram of a U-shaped coil structure according to an embodiment.

Description of the labeling:

100. a copper wire bending device; 10. a copper wire; 11. a first middle bending motor; 12. a first drive wheel; 13. a second middle bending motor; 14. a second drive wheel; 15. a first intermediate bending member; 16. a second intermediate bending member; 17. a first adjustment motor; 18. a second adjustment motor; 19. an operating platform; 191. a chute; 20. a U-shaped coil; 21. a first two-end bending motor; 22. the second two-end bending motor; 23. a first two-end bending piece; 24. a second two-end bending piece; 25. a fixing member; 26. a first transmission member; 27. a first bearing; 28. a second transmission member; 29. a second bearing; 30. a first adjustment mechanism; 40. a second adjustment mechanism; 301. a connecting member; 311. a first pulley; 312. a second pulley; 32. a synchronous belt; 33. a screw rod; 34. a slider; 35. a guide rail; 36. a connecting rod; 101. a first universal joint; 102. a first connecting shaft; 103. a second universal joint; 104. and a second connecting shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the conditions that the present disclosure can be implemented, so that the present disclosure has no technical essence, and any modification of the structures, changes of the ratio relationships, or adjustment of the sizes, should fall within the scope that the present disclosure can cover without affecting the efficacy and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not used to limit the scope of the present invention, and the relative relationship between the terms may be changed or adjusted without substantial technical change.

In a new energy automobile, motor driving response is one of three core components of the new energy automobile, and is also a key execution structure of electric automobile driving, and the driving characteristics of the motor driving response determine key performance indexes of the automobile driving. The key of the motor driving system is composed of a motor, a power converter, a regulator, a detection sensor and a power supply. In the motor, an armature is an important component, the armature is composed of two main parts of a stator core and a winding and insulating auxiliary materials such as insulating paper, impregnating varnish and an insulating sleeve, and the armature and the winding are generally separated by the insulating paper to play an insulating role. The motor prepared by the U-shaped coil has the advantages of compact structure, small power loss, high fast moving speed, high acceleration, high speed, no direct contact with a stator and the like, and can be applied to various types of new energy automobiles. The invention provides a copper wire bending device of an automobile motor, which can realize the bending work of a U-shaped coil, is simple to operate, can obtain the U-shaped coil with better consistency, can obtain the U-shaped coils with different models, is suitable for the motors with different models, and meets the application requirements on different new energy automobiles.

Referring to fig. 1 to 2, in an embodiment of the present invention, a copper wire bending apparatus 100 includes an operating platform 19, a first middle bending member 15, a second middle bending member 16, a first two-end bending member 23, a second two-end bending member 24, a first adjusting mechanism 30, a second adjusting mechanism 40, and the like. Wherein, the first adjusting mechanism 30 and the second adjusting mechanism 40 are arranged on the operation platform 19 and can rotate around the operation platform 19, and one end of the first adjusting mechanism 30 and one end of the second adjusting mechanism 40 are arranged closely. The first middle bending piece 15 and the second middle bending piece 16 are respectively fixedly arranged on the first adjusting mechanism 30 and the second adjusting mechanism 40 and respectively arranged at one end of the adjusting mechanism adjacent to the adjusting mechanism, so that the copper wire 10 can be bent to realize middle bending. The first two-end bending piece 23 and the second two-end bending piece 24 are respectively fixedly arranged on the first adjusting mechanism 30 and the second adjusting mechanism 40, the first two-end bending piece 23 and the second two-end bending piece 24 can slide and rotate on the first adjusting mechanism 30 and the second adjusting mechanism 40, and two ends of a copper wire are bent to form the U-shaped coil 20. The first adjusting mechanism 30 and the second adjusting mechanism 40 can adjust the bending distance between the middle bending and the two-end bending, and can be used for producing U-shaped coils 20 of different models. In this embodiment, fig. 2 provides a top view of a copper wire bending apparatus, wherein the copper wire 10 and the formed U-shaped coil 20 are shown on the copper wire bending apparatus, in order to more clearly show the forming process of the U-shaped coil 20, the left side of the dotted line in fig. 1 shows a schematic diagram of the relative position relationship between the U-shaped coil 20 and each component after bending, and the right side of the dotted line shows a schematic diagram of the relative position relationship between the copper wire 10 and each component before bending. In addition, for clarity and simplicity of the drawings, the frame and the supporting structure of the apparatus are omitted, only the components capable of forming the U-shaped coil 20 are drawn in the drawings, and the forming process and principle of the U-shaped coil 20 are explained.

Referring to fig. 1, in an embodiment of the present invention, before bending the copper wire 10, the copper wire 10 may be prepared to a predetermined length, and the copper wire 10 is placed on the operation platform 19 by an automatic turnover mechanism (not shown). The first middle bending piece 15, the second middle bending piece 16, the first two-end bending piece 23 and the second two-end bending piece 24 are provided with grooves, and the copper wire 10 is clamped in the grooves and on the middle bending piece and the two-end bending pieces. When the copper wire 10 is placed on the operation platform 19, the center position of the copper wire 10 is aligned with the center position of the operation platform 19, for example, after the copper wire 10 is prepared, the center position of the copper wire 10 may be marked, and meanwhile, the center position of the operation platform 19 is provided with a mark, and when the copper wire 10 is placed, the center position of the copper wire 10 may be aligned with the center position of the operation platform 19 by a detection unit (not shown in the figure).

Referring to fig. 2 to 4, in an embodiment of the present invention, the copper wire bending apparatus 100 further includes a middle bending motor, the middle bending motor includes a first middle bending motor 11 and a second middle bending motor 13 disposed on the same side of the operating platform 19, and the first middle bending motor 11 and the second middle bending motor 13 are symmetrically disposed. The first middle bending motor 11 is connected with the first driving wheel 12 and can drive the first driving wheel 12 to rotate, the second middle bending motor 13 is connected with the second driving wheel 14 and can drive the second driving wheel 14 to rotate, and the moving directions of the first middle bending motor 11 and the second middle bending motor 13 are opposite.

Referring to fig. 1 to 2, in an embodiment of the present invention, a first adjusting mechanism 30 and a second adjusting mechanism 40 are disposed on one side of the operating platform 19, the first adjusting mechanism 30 and the second adjusting mechanism 40 are disposed on one side of the operating platform 19 opposite to the middle bending motor, and the first adjusting mechanism 30 and the second adjusting mechanism 40 are rotatable on the operating platform 19. Wherein, a sliding groove 191 is arranged on the operation platform 19, and the first adjusting mechanism 30 and the second adjusting mechanism 40 are arranged on the operation platform 19 through the sliding groove 191 and allow the first adjusting mechanism 30 and the second adjusting mechanism 40 to rotate on the operation platform 19.

Referring to fig. 1 to 4, in an embodiment of the present invention, a first transmission member 26 and a second transmission member 28 are disposed on one side of the operation platform 19, wherein the first transmission member 26 is sleeved on the first bearing 27 to reduce friction of the first transmission member 26 during a movement process, and the second transmission member 28 is sleeved on the second bearing 29 to reduce friction of the second transmission member 28 during the movement process. The first transmission member 26 and the second transmission member 28 are equal in size, but the movement between the first transmission member 26 and the second transmission member 28 is independent of each other and can be moved independently. In this embodiment, the first transmission member 26 is, for example, a gear, and is engaged with the first driving wheel 12, and the first driving wheel 12 is rotated by the first middle bending motor 11, so as to drive the first transmission member 26 to rotate. The second transmission member 28 is, for example, a gear, and is engaged with the second driving wheel 14, and the second driving wheel 14 is rotated by the second middle bending motor 13, so as to drive the second transmission member 28 to rotate, thereby forming two sets of rotating systems.

Referring to fig. 2 and 4, in an embodiment of the present invention, a first middle bending member 15 is disposed on the first adjusting mechanism 30, and the first middle bending member 15 is fixed on the first adjusting mechanism 30. The second adjusting mechanism 40 is provided with a second intermediate bending member 16, and the second intermediate bending member 16 is fixed on the second adjusting mechanism 40. The first adjustment mechanism 30 is fixed to the first transmission member 26 through a connection member 301, and the connection member 301 is, for example, a screw. In other embodiments, the first adjustment mechanism 30 and the first transmission member 26 may be fixedly connected by other means. Likewise, the second adjusting mechanism 40 is fixedly connected to the second transmission element 28. When bending the copper wire 10, the first middle bending motor 11 drives the first transmission part 26 to rotate through the first driving wheel 12, the first adjusting mechanism 30 on the first transmission part 26 also rotates, the second middle bending motor 13 drives the second transmission part 28 to rotate through the second driving wheel 14, the second adjusting mechanism 40 on the second transmission part 28 also rotates, so as to drive the first middle bending part 15 on the first adjusting mechanism 30 and the second middle bending part 16 on the second adjusting mechanism 40 to rotate, the rotating directions of the first middle bending motor 11 and the second middle bending motor 13 are different, so that the rotating directions of the first middle bending part 15 and the second middle bending part 16 are different, and the middle bending of the copper wire 10 is realized.

Referring to fig. 2, in an embodiment of the present invention, the first adjusting mechanism 30 is provided with a first two-end bending member 23, and the first two-end bending member 23 can slide and rotate on the first adjusting mechanism 30. The second adjusting mechanism 40 is provided with a second two-end bending piece 24, and the second two-end bending piece 24 can slide and rotate on the second adjusting mechanism 40. When buckling copper line 10, first both ends are buckled piece 23 and second both ends and are buckled piece 24 and slide earlier and predetermine the position after, rotate, and first both ends are buckled piece 23 and second both ends and are buckled piece 24 and go up the both ends of card copper line 10 and buckle and accomplish.

Referring to fig. 2 to 4, in an embodiment of the present invention, the copper wire bending apparatus 100 further includes a two-end bending motor, the two-end bending motor is disposed at the same side of the middle bending motor relative to the operating platform 19, and the two-end bending motor includes a first two-end bending motor 21 and a second two-end bending motor 22. The first two-end bending motor 21 is connected to the first two-end bending member 23 to control the rotation of the first two-end bending member 23, and the second two-end bending motor 22 is connected to the second two-end bending member 24 to control the rotation of the second two-end bending member 24. And first both ends motor 21 and the symmetrical setting of second both ends motor 22 of buckling are buckled, and first both ends are buckled 23 and second both ends and are buckled 24 and also be synchronous motion, buckle copper line 10, and wherein, the rotation direction of first both ends motor 21 and the second both ends motor 22 of buckling is opposite, and the relative bending in both ends of control copper line 10. For the sake of simplicity, the second end bending motor 22 is taken as an example for explanation. In this embodiment, the second two-end bending motor 22 is connected to the first connecting shaft 102 through the first universal joint 101 to form a universal joint transmission device, so as to realize angle-variable transmission of the first connecting shaft 102, the first connecting shaft 102 is connected to the second connecting shaft 104 through the second universal joint 103, and then the axis rotation direction of the second connecting shaft 104 is changed through the second universal joint 103. And the second two-end bending part 24 is fixed on the second connecting shaft 104, so that the change of the axis rotating direction of the second connecting shaft 104 is realized through the rotation of the second two-end bending motor 22, so that the rotation of the second two-end bending part 24 on the operating platform 19 is realized, the bending of the copper wire 10 is realized, and correspondingly, the first two-end bending motor 21 and the second two-end bending motor 22 synchronously operate, and the synchronous bending of the two ends of the copper wire 10 is realized.

Referring to fig. 1 to 2, in an embodiment of the present invention, the first adjusting mechanism 30 and the second adjusting mechanism 40 have the same structure, wherein a first adjusting motor 17 is disposed on one side of the first adjusting mechanism 30 to adjust the movement of the first adjusting mechanism 30, and a second adjusting motor 18 is disposed on one side of the second adjusting mechanism 40 to adjust the movement of the second adjusting mechanism 40. The first and

second adjusting motors

17 and 18 move synchronously to operate the copper wire 10, and an axisymmetric U-shaped coil 20 is obtained.

Referring to fig. 2 to 5, in an embodiment of the present invention, a first adjusting mechanism 30 is taken as an example for illustration. The first adjusting mechanism 30 is provided with a first middle bending piece 15 to bend the middle of the copper wire 10, the first adjusting mechanism 30 is provided with a first two-end bending piece 23 and a fixing piece 25, and the fixing piece 25 is arranged between the first two-end bending piece 23 and the first middle bending piece 15. Fixing member 25 is at the in-process of buckling of copper line 10, and fixed copper line 10 prevents that copper line 10 from taking place the displacement, and fixing member 25 can carry out the translation, buckles in the middle of the adjustment piece and both ends buckle the distance between the piece, and first both ends are buckled piece 23 and are then buckled the both ends of copper line 10 under the effect of first both ends motor 21 of buckling. The first adjusting mechanism 30 is further provided with a screw 33, a slider 34 and a guide rail 35, the slider 34 is arranged in the guide rail 35, and the slider 34 can translate in the guide rail 35 under the action of the screw 33. The first two-end bending piece 23 and the fixing piece 25 are connected with the sliding block 34 through the connecting rod 36, so that after the first two-end bending piece 23 and the fixing piece 25 can be translated to a preset position under the action of the screw rod 33, the first two-end bending piece 23 performs two-end bending operation under the action of the first two-end bending motor 21. The structure of the second adjustment mechanism 40 is the same as that of the first adjustment mechanism 30, and will not be described in further detail.

Referring to fig. 1, 5 to 6, in an embodiment of the present invention, the first adjusting mechanism 30 is driven by a first adjusting motor 17, the first adjusting motor 17 is disposed at one side of the first adjusting mechanism 30, and the first adjusting motor 17 is disposed with a first pulley 311. The screw 33 of the first adjusting mechanism 30 is connected to the second pulley 312, and the second pulley 312 is connected to the first pulley 311 through the timing belt 32. First accommodate motor 17 starts, then drives first band pulley 311 and rotates, first band pulley 311 drives second band pulley 312 through hold-in range 32 and rotates, lead screw 33 connected with second band pulley 312 rotates, slider 34 carries out the translation under the motion of lead screw 33, then first both ends are buckled piece 23 and mounting 25 and can be shifted to after presetting the position under slider 34 effect, start first both ends and buckle motor 21, then first both ends are buckled piece 23 and are rotated, carry out both ends bending operation to copper line 10. The second adjusting mechanism 40 and the first adjusting mechanism 30 have the same structure, and operate simultaneously with the first adjusting mechanism 30 to bend the two ends of the copper wire 10, so that the operation is simple, and after one end is not required to be bent, the copper wire is turned over and the other end is bent, so that the symmetry of the obtained U-shaped coil 20 is ensured, and the high-quality U-shaped coil 20 is obtained.

Referring to fig. 1 to 7, in an embodiment of the present invention, an axisymmetric pattern is obtained for the U-shaped coil 20, wherein an angle of the middle bend is denoted as α, a range of α is 130 to 150 °, an included angle of the two end bends is denoted as β, a range of β is 110 to 130 °, a length of the middle bend to the two end bends is denoted as L, and a range of L is set according to a model of the motor. In this embodiment, the starting sequence, the starting power and the starting time of the middle bending motor, the two-end bending motor and the adjusting motor can be set with different automatic programs in the programming controller, wherein the middle bending motor controls the middle bending angle α, the adjusting motor controls the bending length L, and the two-end bending motor controls the two-end bending angle β. The multi-linear bending operation can be completed synchronously by writing different automatic programs according to the manufacturing requirements, and the U-shaped coils 20 with different bending angles and bending lengths can be obtained.

In summary, the present invention provides a copper wire bending apparatus for an automotive motor, which is provided with a plurality of motors, and can realize different operations through different motors in different control modes, so as to complete bending of a copper wire and obtain a high-quality U-shaped coil. Bending of the copper wire is completed through an automatic program, U-shaped coils of different models are obtained, controllability is high, operation is convenient, and multi-linear and multi-length debugging production is achieved.

The above description is only a preferred embodiment of the present application and a description of the applied technical principle, and it should be understood by those skilled in the art that the scope of the present invention related to the present application is not limited to the technical solution of the specific combination of the above technical features, and also covers other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept, for example, the technical solutions formed by mutually replacing the above features with (but not limited to) technical features having similar functions disclosed in the present application. Other technical features than those described in the specification are known to those skilled in the art, and are not described herein in detail in order to highlight the innovative features of the present invention.

Thus, although the present invention has been described herein with reference to particular embodiments thereof, a latitude of modification, various changes and substitutions are intended in the foregoing disclosures, and it will be appreciated that in some instances some features of the invention will be employed without a corresponding use of other features without departing from the scope and spirit of the invention as set forth. Thus, many modifications may be made to adapt a particular situation or material to the essential scope and spirit of the present invention. It is intended that the invention not be limited to the particular terms used in following claims and/or to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include any and all embodiments and equivalents falling within the scope of the appended claims. Accordingly, the scope of the invention is to be determined solely by the appended claims.

Claims

1. The utility model provides a copper line device of buckling of motor for car which characterized in that includes:

an operating platform;

2. The copper wire bending device for the automobile motor according to claim 1, wherein a sliding groove is formed in the operating platform, and the adjusting mechanism rotates on the operating platform through the sliding groove.

3. The copper wire bending device for the motor for the automobile according to claim 1, wherein the bending device comprises at least two middle bending motors, and the middle bending motors are connected with the transmission member.

4. The copper wire bending device for the motor for the automobile as claimed in claim 3, wherein the intermediate bending motor comprises a first intermediate bending motor and a second intermediate bending motor, and the first intermediate bending motor and the second intermediate bending motor rotate in opposite directions.

5. The copper wire bending device for the motor for the automobile as claimed in claim 1, wherein the bending device comprises at least two-end bending motors, and the two-end bending motors are connected with the two-end bending pieces on the adjusting mechanism through universal joints and connecting shafts.

6. The copper wire bending device for the automobile motor as recited in claim 1, wherein grooves are formed in the middle bending member and the two end bending members, and the copper wire is caught by the grooves and is wound on the middle bending member and the two end bending members.

7. The copper wire bending device of the motor for the automobile as claimed in claim 1, wherein the bending device comprises an adjusting motor, the adjusting mechanism comprises a lead screw, and the lead screw is connected with the adjusting motor.

8. The copper wire bending device for the automobile motor as recited in claim 7, wherein the adjusting mechanism comprises a guide rail and a slider, and the slider slides on the guide rail under the driving of the screw rod.

9. The copper wire bending device for the automobile motor as recited in claim 8, wherein the adjusting mechanism comprises a connecting rod, and the two end bending members are connected with the sliding block through the connecting rod.

10. The copper wire bending device for the automobile motor as recited in claim 9, wherein the adjusting mechanism comprises a fixing member, the fixing member is disposed between the two end bending members and the middle bending member, and the fixing member is connected to the sliding block through the connecting rod.