CN216881458U - A flat wire forming stamping die and stamping equipment - Google Patents

Abstract

The utility model relates to the technical field of stamping processing, in particular to a flat wire forming stamping die and stamping equipment, comprising an upper die base, a lower die base matched with the upper die base, and a guide block connected with the upper die base, A guide rail seat slidably connected with the guide block, a sliding block connected with the lower die seat, and a sliding rail seat slidably connected with the sliding block; wherein, the guide rail seat is arranged vertically, and the sliding rail seat is arranged horizontally, so that the upper die seat is vertically arranged When moving in a straight direction, the lower die holder moves in a horizontal direction; after the upper die holder and the lower die holder are clamped, their contact position just touches the bending position of the flat wire. The mold provided by the utility model is moved vertically downward by the upper mold base, and the lower mold base moves in the horizontal direction, and the two movements are combined, so that the mold presses and clamps the flat wire with line contact friction, so as to avoid extrusion scraping. The problem of damage caused by rubbing can effectively ensure the quality of the flat wire and the performance of the flat wire motor. The structure is simple, the cost is low, and the versatility is strong.

Description

A flat wire forming stamping die and stamping equipment

technical field

The utility model relates to the technical field of stamping processing, in particular to a flat wire forming stamping die and stamping equipment.

Background technique

With the development of new energy vehicles, the proportion of flat wire motors in practical applications is getting higher and higher. At the same time, with the improvement of the voltage platform of the whole vehicle, the requirements for the insulation performance of the flat wire enameled wire are also getting higher and higher. In the process of making flat wire motors, flat wire forming is a process with the greatest damage to the wire. Excessive damage to the enameled wire will lead to poor insulation and, in severe cases, safety accidents.

In the prior art, flat wires are mainly made by stamping and forming. Stamping refers to applying external force to plates, strips, pipes and profiles by means of presses and dies to cause them to plastically deform or separate, thereby obtaining A method of machining and forming workpieces of the desired shape and size. As shown in Figure 1, a straight flat wire needs to be punched into a shape with secondary bending through a die. As shown in Figure 2, the die includes an upper die provided with a punch and a lower die for placing the flat wire. The specific working principle is that the lower die is fixed, and the upper die punches down rapidly in the vertical direction, and pushes the flat wire. After the deformation is completed, the structure is simple and the forming efficiency is high.

However, during the stamping deformation process of the above-mentioned stamping die, as shown in Figure 3, frictional slip occurs between the initial contact surface and the final contact surface of the upper die and the flat wire, resulting in the enameled insulating layer of the flat wire being squeezed by the die. In addition, the friction deformation at the bending place is large, which will also cause serious damage, thereby affecting the quality of the flat wire and the performance of the flat wire motor.

Utility model content

In order to solve the above-mentioned deficiencies in the prior art that the flat wire is damaged by the extrusion and scratching of the die during the stamping process, the present utility model provides a flat wire forming stamping die, which comprises an upper die seat and a die adapted to the upper die seat. the lower die base, further comprising a guide block connected with the upper die base, a guide rail seat slidably connected with the guide block, a sliding block connected with the lower die base, and a sliding rail seat slidably connected with the sliding block;

Wherein, the guide rail seat is arranged vertically, and the sliding rail seat is arranged horizontally, so that the upper die seat moves in the vertical direction under the action of the guide block and the guide rail seat, and the lower mold seat moves in the horizontal direction under the action of the sliding block and the sliding rail seat. Movement; the contact position of the upper die seat and the lower die seat after mold clamping just offsets the bending position of the flat wire.

In one embodiment, the rail seat and the slide rail seat are integrally formed.

In one embodiment, the upper die holder and the lower die holder are moulded together to form a passing space for the flat wire to be punched to pass through.

In one embodiment, the material passing space includes a material feeding groove set on the punching part of the upper die base and a feeding ridge set at the punching part of the lower die base, wherein the feeding groove and the feeding ridge are matched.

In one embodiment, the surface roughness of the feeding groove is less than or equal to Ra1.6 μm.

In one embodiment, the material-passing space further includes a clip slot disposed at the tail of the lower die base and capable of just inserting the flat wire.

In one embodiment, it also includes an automatic pressing assembly located at the material passing space and disposed on the guide block, and the automatic pressing assembly includes:

a material pressing column, which is vertically slidably arranged inside the guide block, and a through groove arranged in the vertical direction is provided in the middle of the pressing material column;

a spring, arranged inside the guide block, one end is connected with the pressing column, and the other end is connected with the guide block;

A fixing pin, horizontally penetrated through the through groove, and fixed on the guide block;

During the die-clamping stamping, the pressing column slowly contacts with the lower die holder, and moves upwards to complete clamping under the action of spring compression, and finally presses against the flat wire of the lower die holder due to the reaction force of the spring compression.

In one embodiment, a manual pressing component located at the material passing space and fixed above the guide rail seat is further included.

In one embodiment, the manual pressing assembly includes a fixing frame fixed on the guide rail seat and a connecting rod structure arranged inside the fixing frame; the upper end of the connecting rod structure is connected with a pressing handle, and the lower end is connected with a pressing block. ; By pressing down the pressing handle, the pressing block at the lower end of the connecting rod structure is pressed against the flat wire of the lower die base.

The utility model also provides a stamping device, which adopts the flat wire forming stamping die as described above.

Based on the above, compared with the prior art, the flat wire forming stamping die provided by the present utility model is moved vertically downward by the upper die base, and the lower die base moves in the horizontal direction, and the movements of the two are combined, so that the die sets the flat wire. Line contact friction is used during stamping and clamping to avoid damage caused by extrusion and scratching, thereby effectively ensuring the quality of the flat wire and the performance of the flat wire motor. The structure is simple, the cost is low, and the versatility is strong.

Additional features and advantages of the present invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the present invention. The objectives and other beneficial effects of the present invention may be realized and attained by the structure particularly pointed out in the description, claims and appended drawings.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description The drawings are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative work; the positions described in the drawings in the following description Relationships, unless otherwise specified, are based on the directions of the components shown in the figures.

Fig. 1 is the structural schematic diagram of the flat wire stamping molding used by the flat wire motor;

Fig. 2 is the common mold structure schematic diagram in the prior art;

Fig. 3 is the state diagram of the upper mold pressing process in Fig. 2;

4 is a schematic structural diagram of a flat wire forming stamping die provided by the utility model;

5 is an exploded view of the structure of a flat wire forming stamping die provided by the utility model;

Fig. 6 is the state diagram of the upper die pressing process of the flat wire forming stamping die;

7 is an overall perspective view of a flat wire forming stamping die provided by the utility model;

8 is an overall front view of a flat wire forming stamping die provided by the utility model;

9 is an overall side view of a flat wire forming stamping die provided by the utility model;

10 is an overall exploded view of a flat wire forming stamping die provided by the utility model;

Figure 11 is a schematic diagram of the structure of the automatic pressing assembly and the guide block.

Reference number:

10 Upper die base 20 Lower die base 41 Guide block

42 rail seat 51 sliding block 52 sliding rail seat

30 Feeding space 31 Feeding trough 32 Feeding ridge

60 Automatic pressing assembly 61 Pressing column 61a Through groove

62 Spring 63 Fixed pin 70 Manual compression assembly

71 Fixed frame 72 Link structure 73 Compression handle

74 compression block

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described above are a part of the embodiments of the present utility model, not all of the embodiments; the technical features designed in the different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other; based on the present utility model The embodiments in the present invention, and all other embodiments obtained by those of ordinary skill in the art without creative work, fall within the protection scope of the present invention.

In the description of the present utility model, it should be noted that all terms (including technical terms and scientific terms) used in the present utility model have the same meaning as those generally understood by those of ordinary skill in the art to which the present utility model belongs. It should be understood as a limitation of the present invention; it should be further understood that the terms used in the present invention should be construed as having meanings consistent with the meanings of these terms in the context of this specification and the relevant fields, and should not be taken as idealized or excessive It is understood in the formal sense, unless expressly defined as such in the present invention.

The utility model provides a flat wire forming stamping die, which includes an upper die base 10 and a lower die base 20 matched with the upper die base 10 , and also includes a guide block 41 connected with the upper die base 10 and the guide block. 41 The guide rail seat 42 slidably connected, the sliding block 51 connected with the lower die base 20, and the sliding rail seat 52 slidably connected with the sliding block 51; wherein, the guide rail seat 42 is arranged vertically, and the sliding rail seat 52 is arranged horizontally, In order to make the upper mold base 10 move in the vertical direction under the action of the guide block 41 and the guide rail seat 42, the lower mold base 20 moves in the horizontal direction under the action of the sliding block 51 and the sliding rail seat 52; the upper mold base 10 After clamping with the lower die holder 20, its contact position just offsets the bending position of the flat wire.

During specific implementation, as shown in Figures 4, 5, and 6, the stamping die includes an upper die base 10 and a lower die base 20, wherein the clamping shapes of the upper die base 10 and the lower die base 20 should be the same as the flat die to be made. Line shape matches. The stamping die 10 also includes a guide block 41 and a guide rail seat 42, wherein the guide rail seat 42 is arranged vertically, and the guide block 41 and the upper die base 10 are fixed in a detachable or non-detachable manner, such as threaded connection, One or more of snap connection, pin connection, welding and riveting. The guide block 41 cooperates with the guide rail seat 42 , and under the restriction of the guide rail seat 42 , the guide block 41 can move along the guide rail seat 42 toward the lower die base 20 . It should be understood that the guide block 41 can be directly connected to one of the power sources such as a cylinder, an electric cylinder, a motor, etc. through the T-slot provided at the top, or can be connected to one of the power sources such as a lead screw nut mechanism, a timing belt mechanism, a gear mechanism, etc. It is indirectly connected with one of the power sources such as cylinder, electric cylinder, motor and so on.

Similarly, a sliding block 51 and a sliding rail seat 52 are also included, wherein the sliding rail 52 is arranged horizontally, and the sliding block 51 and the lower mold seat 20 are fixed in a detachable or non-detachable manner, such as screw connection, snap-fit One or more of connection, pin connection, welding, riveting. The sliding block 51 cooperates with the sliding rail seat 52 , and under the restriction of the sliding rail seat 52 , the sliding block 51 can move along the horizontal direction of the sliding rail seat 52 where the upper mold base 10 is located. It should be understood that the sliding block 51 can be directly connected to one of the power sources such as a cylinder, an electric cylinder, a motor, etc. through the T-shaped groove provided at the end, or can also be connected through a transmission mechanism such as a lead screw nut mechanism, a timing belt mechanism, a gear, etc. It is indirectly connected to one of the power sources such as cylinder, electric cylinder, motor, etc. by means of mechanism, link mechanism, etc.

Preferably, the rail seat 42 and the slide rail seat 52 are integrally formed.

In specific implementation, as shown in FIG. 10 , the rail seat 42 and the slide rail seat 52 are integrally formed according to their matching design with various structures, wherein the rail seat 42 is arranged above and the slide rail seat 52 is arranged below. The rail seat 42 has a downwardly extending groove, which is used to limit the sliding of the guide block 41 in the vertical direction, and the sliding rail seat 52 has a horizontally extending groove, and the groove is used to limit the sliding block 51 in the horizontal direction. slip. The above arrangement can effectively save costs and reduce assembly time.

Preferably, the upper die base 10 and the lower die base 20 are moulded together to form a passing space 30 for the flat wire to be punched to pass through.

In the specific implementation, as shown in FIG. 5 , the upper die base 10 and the lower die base 20 will form a passing space 30 for the flat wire to be punched through in the clamping state, and the height of the passing space 30 should be the same as that of the flat wire. The heights of the wires are matched, so that the flat wires can fall into the material passing space 30 to ensure accurate clamping and bending, and at the same time, the flat wires can be prevented from being flattened in height.

Preferably, the feeding space 30 includes a feeding groove 31 provided at the punching part of the upper die base 10 and a feeding ridge 32 set at the punching part of the lower die base 20 , wherein the feeding groove 31 and the feeding ridge 32 match.

In specific implementation, as shown in FIGS. 7 , 8 and 9 , the depth and width of the material feeding groove 31 and the feeding ridge 32 depend on the height and width of the flat wire. Specifically, the feeding groove 31 and the feeding ridge 32 are arranged at the punching part, and their specific shape should be consistent with the shape obtained by punching, and the height of the feeding ridge 32 and the flat wire is the same as the height of the feeding groove 31 . depth. Preferably, the open end of the feeding slot 31 is rounded, which can effectively prevent the edge of the flat wire from being worn during punching. As a preferred solution, the flat wire can be manually fed into the material passing space 30 , and the flat wire can also be fed into the material passing space 30 by an electric push rod mechanism or other feeding mechanisms.

Preferably, the surface roughness of the feeding groove 31 is less than or equal to Ra1.6 μm, so as to ensure smooth contact of the flat wires in the feeding groove 31 and the feeding ridge 32, and effectively avoid the flat wires rubbing against each other during the stamping and clamping process. resulting in indentations and scratches.

Preferably, the material passing space 30 further includes a clamping slot 33 which is disposed at the tail of the lower die base 20 and can just insert the flat wire.

During specific implementation, the depth and width of the clamping slot 33 should be able to completely accommodate the flat wire to be punched. As a preferred solution, the flat wire can be manually sent to the material passing space 30 and limited to the card slot 33, and the flat wire can also be sent into the card slot 33 through an electric push rod mechanism or other feeding mechanism. middle.

Preferably, it also includes an automatic pressing assembly 60 located at the material passing space 30 and disposed on the guide block 41 . The automatic pressing assembly 60 includes: a pressing column 61 slidably vertically arranged on the guide block 41 . Inside, a through slot 61a arranged in the vertical direction is opened in the middle of the pressing column 61; a spring 62 is arranged inside the guide block 41, one end is connected with the pressing column 61, and the other end is connected with the guide block 41; a fixed The pin 63 passes through the through groove 61a horizontally and is fixed on the guide block 41; when the die is clamped and punched, the pressing column 61 slowly contacts the lower die seat 20, and moves upward under the compression of the spring 62 until it is completely When the mold is closed, finally, it is pressed against the flat wire of the lower mold base 20 due to the reaction force of the compression of the spring 62 .

In specific implementation, as shown in FIG. 11 , the working principle of the automatic pressing assembly 60 is that in the state of not pressing, the spring 62 is relaxed, and the pressing column 61 is suspended under the restriction of the spring 62 and the fixing pin 63 . It is placed on the guide block 41; when the mold is closed and punched, the pressing column 61 slowly contacts the lower mold seat 20, and then moves upward under the compression of the spring 62 until the mold is fully closed. Since it is at the position of the material passing space 30 , the pressing column 61 will just press against the flat wire of the lower die base 20 due to the reaction force of the spring 62 being pressed. Through the above structure, the flat wire being punched can be effectively pressed to prevent it from bouncing up, thereby ensuring the stability of punching.

It should be noted that, in order to consider the rationality of the distribution of the structure, the automatic pressing assembly 60 is set on the guide block 41 in this solution, and those skilled in the art can set the automatic pressing assembly 60 on the follower according to the actual structural requirements. The die base 10 only needs to be moved for punching and can press against the flat wire when the die is clamped and punched.

Preferably, a manual pressing component 70 located at the material passing space 30 and fixed above the guide rail seat 42 is also included. The manual compression assembly 70 can use a screw nut mechanism and a link mechanism to practice up and down motion compression.

Preferably, as shown in FIG. 10 , the manual pressing assembly 70 includes a fixing frame 71 fixed on the guide rail seat 42 and a connecting rod structure 72 arranged inside the fixing frame 71 ; the upper end of the connecting rod structure 72 is connected with a pressure The lower end of the tightening handle 73 is connected with a pressing block 74 ; the pressing block 74 at the lower end of the connecting rod structure 72 is pressed against the flat wire of the lower die base 20 by pressing the pressing handle 73 down. Thereby effectively pressing the flat wire being punched, preventing it from bouncing up, and ensuring the stability of punching.

The utility model also provides a stamping device, which adopts the flat wire forming stamping die as described above.

As a preferred solution, the punching equipment can be configured to have a cutting mechanism for cutting the flat wire, a flat wire forming punching die as described above, and a transmission and insertion mechanism for transferring the cut flat wire into the punching die, After the punching is completed, the conveying and taking-out mechanism to take out the punched flat wire, etc.

Further, in the production line, from the production and processing of the flat wire to the completion of stamping, and then to the assembly of the stamped flat wire into the motor, the flat wire forming stamping die can be applied to part or all of the motor production line.

To sum up, compared with the prior art, the flat wire forming stamping die provided by the present invention is simple in structure, low in cost, applicable to materials of different stamping shapes, and has strong versatility. Moreover, it can effectively ensure that the surface of the punched flat wire will not be damaged, thereby effectively ensuring the quality of the flat wire and the performance of the flat wire motor.

In addition, those skilled in the art should understand that although there are many problems in the prior art, each embodiment or technical solution of the present invention can be improved in only one or several aspects, without simultaneously solving the problems in the prior art. Or all the technical issues listed in the background art. Those skilled in the art should understand that anything not mentioned in a claim should not be construed as a limitation on the claim.

Although this article uses a lot of tools such as upper die seat, lower die seat, material passing space, material feeding groove, clamping groove, guide block, sliding block, material feeding ridge, guide rail seat, sliding rail seat, automatic pressing component , pressing column, through groove, spring, fixing pin, manual pressing component, fixing frame, connecting rod structure, pressing handle, pressing block and other terms, but do not exclude the possibility of using other terms. The use of these terms is only to describe and explain the essence of the present invention more conveniently; it is contrary to the spirit of the present invention to interpret them as any additional limitation; the description and claims of the embodiments of the present invention and the terms "first", "second", etc. (if present) in the above figures are used to distinguish between similar objects and are not necessarily used to describe a particular order or sequence.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that : it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the various embodiments of the present utility model Scope of technical solutions.

Claims (10)

1. A flat wire forming stamping die, characterized in that: it comprises an upper die base (10) and a lower die base (20) matched with the upper die base (10), and also comprises an upper die base (10) adapted to the upper die base (10). ) connected to the guide block (41), the guide block (42) slidably connected with the guide block (41), and the sliding block (51) connected with the lower die block (20), slidingly connected with the sliding block (51) the slide rail seat (52); The guide rail seat (42) is arranged vertically, and the sliding rail seat (52) is arranged horizontally, so that the upper die seat (10) moves in the vertical direction under the action of the guide block (41) and the guide rail seat (42). The lower die seat (20) moves in the horizontal direction under the action of the sliding block (51) and the sliding rail seat (52); Line bending position offset. 2 . The flat wire forming stamping die according to claim 1 , wherein the guide rail seat ( 42 ) and the sliding rail seat ( 52 ) are integrally formed. 3 . 3. The flat wire forming stamping die according to claim 1, characterized in that: the upper die base (10) and the lower die base (20) are closed to form a passing space ( 30). 4. The flat wire forming stamping die according to claim 3, characterized in that: the material passing space (30) comprises a feeding groove (31) arranged on the punching part of the upper die seat (10) and a feeding groove (31) arranged on the lower die seat (20) The material feeding ridge (32) at the punching part, wherein the feeding groove (31) is matched with the feeding ridge (32). 5 . The flat wire forming stamping die according to claim 4 , wherein the surface roughness of the feeding groove ( 31 ) is less than or equal to Ra 1.6 μm. 6 . 6 . The flat wire forming stamping die according to claim 4 , wherein the material passing space ( 30 ) further comprises a slot ( 33 ) disposed at the tail of the lower die base ( 20 ) and capable of just embedding the flat wire. 7 . . 7 . The flat wire forming stamping die according to claim 3 , further comprising an automatic pressing component ( 60 ) located at the material passing space ( 30 ) and arranged on the guide block ( 41 ). The compression assembly (60) includes: a material pressing column (61), which is vertically slidably arranged inside the guide block (41), and a through groove (61a) arranged in the vertical direction is formed in the middle of the pressing material column (61); A spring (62) is arranged inside the guide block (41), one end is connected with the pressing column (61), and the other end is connected with the guide block (41); A fixing pin (63) horizontally passes through the through groove (61a) and is fixed on the guide block (41); During the die-clamping stamping process, the pressing column (61) slowly contacts the lower die holder (20), and moves up to complete die-clamping under the compression of the spring (62), and finally due to the reaction of the compression of the spring (62) The force is pressed against the flat wire of the lower die holder (20). 8 . The flat wire forming stamping die according to claim 3 , further comprising a manual pressing component ( 70 ) located at the material passing space ( 30 ) and fixed above the guide rail seat ( 42 ). 9 . 9 . The flat wire forming stamping die according to claim 8 , wherein the manual pressing assembly ( 70 ) comprises a fixing frame ( 71 ) fixed on the guide rail seat ( 42 ) and a fixing frame ( 71 ) arranged on the fixing frame ( 71 ). ) inside the connecting rod structure (72); the upper end of the connecting rod structure (72) is connected with a pressing handle (73), and the lower end is connected with a pressing block (74); the connecting rod is driven by pressing down the pressing handle (73) The pressing block (74) at the lower end of the structure (72) is pressed against the flat wire of the lower die base (20). 10. A stamping equipment, characterized in that: the flat wire forming stamping die according to any one of claims 1-9 is adopted.

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