Punching device for producing plastic parts of electric vehicles

Abstract

The application discloses a punching device for electric vehicle plastic part production and relates to the technical field of punching devices.The punching device comprises a processing box, an adjacent punching assembly and a gas pump module are installed on the upper side of the processing box, and a first steering motor is installed in the processing box; a stamping frame is arranged in the processing box, and a second communication pipe and a first communication pipe are installed at the two ends of the stamping frame; one end of the first communication pipe is connected with the output end of the first steering motor, and one end of the second communication pipe is rotationally connected with the processing box; and a transmission frame is connected with the gas pump module and the second communication pipe at the two ends. The mold block for containing plastic parts during stamping is arranged in the stamping frame, and when a large number of plastic parts are punched, the stamping and feeding can be cyclically operated, so that the processing efficiency during punching can be improved, the degree of mechanization and automation of the punching device is high, the processing efficiency is high, and the overall integrity and continuity between the feeding-punching-transporting processes are high.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of punching device, more particularly, it relates to a punching device for electric vehicle plastic part production. BACKGROUND

[0002] When the electric vehicle is produced, a large number of plastic parts are needed. In order to facilitate the assembly and use of the plastic parts, various forms of processing are performed on them. Punching is one of the common processing methods for plastic parts. When punching the plastic parts, a reciprocating punch is usually used for processing. During processing, the processing part is separated from the plastic part body, so that the required structure can be obtained on the plastic part body.

[0003] After searching, a kind of automobile plastic interior injection molding part punching device is disclosed in Chinese patent (publication number: CN110509349B). The patent includes base, support column, hydraulic cylinder and crossbeam. Vertical adjusting top tight block opposite upper punch is installed on positioning plate, adjusting top tight block is installed on positioning plate by screw thread. Coaxial horizontal gear disc is fixed on the lower end of adjusting top tight block, the center of gear disc communicates with the inside of adjusting top tight block, and horizontal limit pin is arranged on one side of gear disc.

[0004] In the prior art, when a large number of plastic parts are continuously processed, the punching device needs to have high automation and mechanization capability to improve the processing efficiency during continuous operation. During processing, the plastic part body needs to be quickly separated from the waste generated during processing to avoid the accumulation of waste in the processing part, which affects the subsequent processing. Therefore, the present application provides a punching device for electric vehicle plastic part production. SUMMARY

[0005] In view of the deficiencies in the prior art, the purpose of the present application is to provide a punching device for electric vehicle plastic part production.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a punching device for electric vehicle plastic part production, comprising a processing box and a first conveying mechanism, the top of the processing box is provided with a punching assembly and a gas pump module, and the inside of the processing box is provided with a punching frame, the punching assembly is arranged on the upper side of the punching frame, the side of the processing box close to the punching frame is provided with a first steering motor, and the two sides of the punching frame are respectively provided with a second communication pipe and a first communication pipe;

[0007] The end of the second communication pipe away from the punching frame is rotatably connected with the processing box, and the end of the first communication pipe away from the punching frame is connected with the output end of the first steering motor;

[0008] One end of the first conveying mechanism extends to the lower side of the punching frame for conveying the plastic parts to be processed to the lower side of the punching frame in sequence;

[0009] The support mechanism is installed inside the processing box, is located at the lower side of the punching frame, and is arranged in the middle of the first conveying mechanism. After the first conveying mechanism moves the plastic parts to be processed to the lower side of the punching frame, the support mechanism transfers the plastic parts to the punching frame;

[0010] The output end of the air pump module is installed with a transmission frame between the second communication pipe;

[0011] The upper side of the first communication pipe is installed with a limiting frame, and the top end of the limiting frame is connected with the inner wall of the processing box;

[0012] A first sliding plate is installed inside the processing box, and the first sliding plate is arranged at the lower side of the first communication pipe;

[0013] The punching frame comprises an assembly frame, a communication bin is formed in the interior of the assembly frame, and mold blocks are installed on the upper and lower sides of the assembly frame;

[0014] Punching grooves are formed in the upper and lower sides of the communication bin and the interiors of the two groups of mold blocks, the punching grooves in the interiors of the two groups of mold blocks are distributed based on the parts to be punched in the plastic parts, and the punching grooves in the upper and lower sides of the communication bin are respectively connected with the punching grooves in the interiors of the corresponding group of mold blocks.

[0015] The second communication pipe, the communication bin, and the first communication pipe are connected, and after the waste enters the communication bin, the air pump module conveys air along the second communication pipe, the communication bin, and the first communication pipe to blow the waste to the upper side of the first sliding plate.

[0016] Further, the first conveying mechanism comprises two groups of conveying belts arranged side by side, the two groups of conveying belts are installed in the interior of the assembly frame, and the moving speeds of the two groups of conveying belts are the same;

[0017] When the plastic parts to be processed move through the first conveying mechanism, the processing parts thereof are distributed downward and are arranged on the upper sides of the two groups of conveying belts.

[0018] Further, adjustable limiting plates are installed on the two sides of the interior of the assembly frame, and the positions of the plastic parts on the conveying belts are limited by the limiting plates when the plastic parts move.

[0019] Further, the support mechanism comprises a plurality of first stroke air cylinders connected with the processing box, the output ends of the first stroke air cylinders are upward, and a connecting plate is installed on the output end of each first stroke air cylinder, and a plurality of supporting parts are installed on the upper side of the connecting plate;

[0020] The plurality of supporting pieces are arranged based on the shape of the plastic piece, and the plastic piece is kept in a horizontal state during supporting and moving.

[0021] Further, a second steering motor is mounted on one side of the assembling frame, one side of the mold block is connected with the output end of the second steering motor, and the other side of the mold block is rotationally connected with the assembling frame.

[0022] After processing, when the mold block changes position, the second steering motor drives the mold block to rotate again, so as to facilitate the removal of the processed plastic piece from the mold block.

[0023] Further, a plurality of adsorption grooves are formed in the interior of the mold block.

[0024] Further, a second conveying mechanism is arranged on one side of the processing box, and a second sliding plate is arranged between the stamping frame and the second conveying mechanism in the interior of the processing box, for guiding the processed plastic piece to the second conveying mechanism, and the second conveying mechanism is used for moving the processed plastic.

[0025] Further, the second communication pipe comprises a first pipe body, at least two groups of first communication holes are formed in the side surface of the first pipe body.

[0026] The transmission frame comprises a sleeve part and a pipe part, the top end of the pipe part is in communication with the air pump module, the bottom end of the pipe part is in communication with the sleeve part, the sleeve part is sleeved on the outside of the first pipe body, and the first pipe body always keeps at least one group of first communication holes in communication with the sleeve part, and the remaining first communication holes not in communication are shielded by the sleeve part to avoid excessive air leakage.

[0027] Further, the limiting frame comprises a rod part and a ring part, the top end of the rod part is connected with the processing box, and the ring part is connected with the bottom end of the rod part.

[0028] The first communication pipe comprises a second pipe body, second communication holes are formed in the upper and lower sides of the second pipe body, when the mold block in the interior of the stamping frame rotates, one group of second communication holes is shielded by the ring part of the limiting frame, and the other group of second communication holes is arranged downward and in communication with the processing box.

[0029] Further, the punching assembly comprises a plurality of stamping cylinders, the output end of each stamping cylinder faces downward and is provided with a retaining frame, the cross section of the retaining frame is a "∅" type with the opening facing downward, the retaining frame is sleeved on the outside of the stamping frame after each stamping cylinder descends, so as to avoid the problem of shaking of the stamping frame during the punching operation.

[0030] The interior of the retaining frame is provided with a reinforcing frame, at least one group of punching pieces are arranged on the lower surface of the reinforcing frame, and the length and distribution position of the punching pieces are arranged based on the processing position of the plastic piece.

[0031] Further, a plurality of second stroke cylinders are mounted on the top of the reinforcing frame, the output ends of the second stroke cylinders are downward, and an assembly plate is mounted, and at least one set of pushers are mounted on the lower surface of the assembly plate.

[0032] Further, the length and distribution position of the pushers correspond to the punching members, and each assembly plate is embedded into the corresponding punching member.

[0033] Further, a limiting assembly is mounted on the outside of the processing box and located on the moving path of the first conveying mechanism.

[0034] The limiting assembly comprises a third stroke cylinder, the output end of the third stroke cylinder is downward, and a blocking plate is mounted.

[0035] Compared with the prior art, the present application has the following advantages:

[0036] The mold block for containing the plastic parts during stamping is arranged in the interior of the stamping frame, and when a large number of plastic parts are punched, the stamping and feeding can be cycled, thereby improving the processing efficiency during punching.

[0037] When continuous processing is performed, the first conveying mechanism continuously moves the plastic parts to the lower side of the stamping frame, and the plastic parts are moved to the interior of the set of mold blocks on the lower side through the supporting mechanism, the mold blocks fix the plastic parts and move them to the lower side of the punching assembly, and after the punching is completed, the pushers in the punching assembly move the waste generated by punching to the assembly frame, thereby collecting the waste, which can avoid the accumulation of waste in the processing area.

[0038] On the other hand, the present application has high mechanization and automation, high processing efficiency, and high integrity and continuity between the feeding-punching-removing processes. BRIEF DESCRIPTION OF DRAWINGS

[0039] Figure 1 It is an embodiment 1 structure schematic view of a punching device for plastic parts production of an electric vehicle.

[0040] Figure 2 It is a side sectional view of a processing box in the present application.

[0041] Figure 3 It is a bottom sectional view of a processing box in the present application.

[0042] Figure 4 It is a bottom view of a stamping frame in the present application.

[0043] Figure 5 It is a front view of 2 in the present application.

[0044] Figure 6 It is the front view of the second communication pipe in the application;

[0045] Figure 7 It is the front view of the first communication pipe in the application;

[0046] Figure 8 It is the structure of the A part in the application Figure 2 enlarged view;

[0047] Figure 9 It is the structure schematic diagram of the punching device in the embodiment 2 of the application.

[0048] In the figure: 1, processing box; 2, first conveying mechanism; 3, second conveying mechanism; 4, punching frame; 5, first steering motor; 6, first communication pipe; 7, second communication pipe; 8, punching assembly; 9, air pump module; 10, transmission frame; 11, first sliding plate; 12, supporting mechanism; 13, limiting frame; 14, second sliding plate; 121, first stroke air cylinder; 122, connecting plate; 123, support; 41, assembly frame; 42, communication bin; 43, die block; 44, second steering motor; 45, punching groove; 46, adsorption groove; 71, first pipe body; 72, first communication hole; 61, second pipe body; 62, second communication hole; 81, punching cylinder; 82, retaining frame; 83, reinforcing frame; 84, punching piece; 85, second stroke air cylinder; 86, assembly plate; 87, pushing piece; 15, limiting assembly. DETAILED DESCRIPTION

[0049] Referring to Figures 1 to 8 the drawing, a punching device for producing plastic parts of electric vehicles, comprising a processing box 1 and a first conveying mechanism 2, the top of the processing box 1 is provided with a punching assembly 8 and an air pump module 9, the inside of the processing box 1 is provided with a punching frame 4, and the inside of the processing box 1 is provided with a vacuum adsorption mechanism, the punching assembly 8 is arranged on the upper side of the punching frame 4, the side of the inside of the processing box 1 close to the punching frame 4 is provided with a first steering motor 5, and the two sides of the punching frame 4 are respectively provided with a second communication pipe 7 and a first communication pipe 6;

[0050] The end of the second communication pipe 7 away from the punching frame 4 is rotatably connected with the processing box 1, and the end of the first communication pipe 6 away from the punching frame 4 is connected with the output end of the first steering motor 5;

[0051] One end of the first conveying mechanism 2 extends to the lower side of the punching frame 4, for conveying the plastic parts to be processed to the lower side of the punching frame 4 in turn;

[0052] The inside of the processing box 1 is provided with a supporting mechanism 12, the supporting mechanism 12 is located on the lower side of the punching frame 4 and is arranged in the middle of the first conveying mechanism 2, after the first conveying mechanism 2 moves the plastic parts to be processed to the lower side of the punching frame 4, the supporting mechanism 12 transfers them to the punching frame 4;

[0053] The output end of the air pump module 9 is installed with a transmission frame 10 between the second communication pipe 7;

[0054] The upper side of the first communication pipe 6 is installed with a limiting frame 13, and the top end of the limiting frame 13 is connected with the inner wall of the processing box 1;

[0055] The first sliding plate 11 is installed inside the processing box 1, and the first sliding plate 11 is arranged on the lower side of the first communication pipe 6;

[0056] The stamping frame 4 includes an assembly frame 41, and the inside of the assembly frame 41 is provided with a communication bin 42, and the upper and lower sides of the assembly frame 41 are installed with a mold block 43;

[0057] The upper and lower sides of the communication bin 42 and the inside of the two groups of mold blocks 43 are provided with a punching groove 45, and the punching grooves 45 in the inside of the two groups of mold blocks 43 are distributed based on the parts to be punched in the plastic part, and the punching grooves 45 on the upper and lower sides of the communication bin 42 are respectively communicated with the punching grooves 45 in the inside of the corresponding group of mold blocks 43; After the punching assembly 8 punches the plastic part in the inside of the upper mold block 43, the waste produced by punching enters the inside of the communication bin 42 along the communicated punching grooves 45;

[0058] The first conveying mechanism 2 includes two groups of conveying belts arranged side by side, and the two groups of conveying belts are installed in the inside of the assembly frame, and the moving speeds of the two groups of conveying belts are the same;

[0059] The plastic parts to be processed are distributed downward when moving through the first conveying mechanism 2, and are arranged on the upper side of the two groups of conveying belts;

[0060] The two sides of the inside of the assembly frame are installed with adjustable limiting plates, and the positions of the plastic parts on the conveying belts are limited by the limiting plates when the plastic parts move, so that the subsequent supporting mechanism 12 can move them into the corresponding mold blocks 43;

[0061] The second communication pipe 7, the communication bin 42 and the first communication pipe 6 are communicated, and after the waste enters the communication bin 42, the air pump module 9 will convey the air along the second communication pipe 7, the communication bin 42 and the first communication pipe 6, and blow the waste to the upper side of the first sliding plate 11.

[0062] Referring to Figure 2 The supporting mechanism 12 includes a plurality of first stroke air cylinders 121 connected with the processing box 1, the output end of each first stroke air cylinder 121 is upward, and a connecting plate 122 is installed, and a plurality of supporting pieces 123 are installed on the upper side of the connecting plate 122;

[0063] The plurality of supporting pieces 123 are arranged based on the shape of the plastic part, and the plastic part is kept in a horizontal state when it is supported and moved.

[0064] The side of the processing box 1 is provided with a second conveying mechanism 3, and a second sliding plate 14 is installed between the stamping frame 4 and the second conveying mechanism 3 inside the processing box 1, which is used to guide the processed plastic parts to the second conveying mechanism 3, and the second conveying mechanism 3 is used to move the processed plastic.

[0065] Referring to Figure 4 As shown, the side of the assembly frame 41 is provided with a second steering motor 44, one side of the mold block 43 is connected with the output end of the second steering motor 44, and the other side of the mold block 43 is rotatably connected with the assembly frame 41;

[0066] After processing, when the mold block 43 changes position, the second steering motor 44 drives the mold block 43 to rotate again, so as to facilitate the removal of the processed plastic parts from the mold block 43.

[0067] A plurality of suction grooves 46 are formed in the interior of the mold block 43, and the output end of the vacuum suction mechanism is connected with each suction groove 46. When fixing the plastic parts, the vacuum suction mechanism fixes the plastic parts in the interior of the mold block 43 through each suction groove 46, and when separating the plastic parts, the vacuum suction mechanism discharges air along each suction groove 46;

[0068] And the vacuum suction mechanism is independently controlled at the positions connected with the two groups of mold blocks 43.

[0069] Referring to Figure 6 As shown, the second communication pipe 7 includes a first pipe body 71, and at least two groups of first communication holes 72 are formed in the side of the first pipe body 71;

[0070] The transmission frame 10 includes a sleeve body part and a pipe body part. The top end of the pipe body part is in communication with the air pump module 9, and the bottom end of the pipe body part is in communication with the sleeve body part. The sleeve body part is sleeved outside the first pipe body 71, and the first pipe body 71 always keeps at least one group of first communication holes 72 in communication with the sleeve body part, and the remaining first communication holes 72 that are not in communication are blocked by the sleeve body part to avoid excessive air leakage.

[0071] Referring to Figure 7 As shown, the limiting frame 13 includes a rod body part and a ring body part. The top end of the rod body part is connected with the processing box 1, and the ring body part is connected with the bottom end of the rod body part;

[0072] The first communication pipe 6 includes a second pipe body 61, and second communication holes 62 are formed in the upper and lower sides of the second pipe body 61. When the mold block 43 rotates inside the stamping frame 4, one group of second communication holes 62 is blocked by the ring body part of the limiting frame 13, and the other group of second communication holes 62 is arranged downward and in communication with the processing box 1, so as to facilitate the removal of waste from the first communication pipe 6 and falling onto the first sliding plate 11.

[0073] Referring to Figure 8 As shown, the punching assembly 8 comprises a plurality of punching cylinders 81, the output end of each punching cylinder 81 is downward, and a retaining frame 82 is installed, the retaining frame 82 is a "∅" type with the opening downward, and is sleeved to the outside of the punching frame 4 after the retaining frame 82 is lowered based on each punching cylinder 81, so as to avoid the problem of shaking of the punching frame 4 during the punching operation;

[0074] The inside of the retaining frame 82 is provided with a reinforcing frame 83, and the lower surface of the reinforcing frame 83 is provided with at least one set of punching pieces 84, and the length and distribution position of the punching pieces 84 are set based on the processing position of the plastic part.

[0075] The top end inside the reinforcing frame 83 is provided with a plurality of second stroke cylinders 85, the output end of each second stroke cylinder 85 is downward, and an assembly plate 86 is installed, and the lower surface of the assembly plate 86 is provided with at least one set of pushing pieces 87.

[0076] The length and distribution position of the pushing pieces 87 correspond to each punching piece 84, and each assembly plate 86 is embedded into the inside of the corresponding punching piece 84.

[0077] Working principle:

[0078] During processing, the plastic part to be processed is placed on the upper side of the two sets of conveying belts in the first conveying mechanism 2 with the processing surface downward, and then the two sets of conveying belts in the first conveying mechanism 2 move each plastic part to the lower side of the punching frame 4 in turn;

[0079] Then the first stroke cylinder 121 in the supporting mechanism 12 is started, each supporting piece 123 is driven to rise by the connecting plate 122, and the plastic part is supported by each supporting piece 123, until the plastic part is moved to the inside of the lower group of mold blocks 43, and then the vacuum suction mechanism fixes the plastic part in the inside through each suction groove 46 in the mold block 43;

[0080] Then the first steering motor 5 is started, the mold block 43 installed with the plastic part is rotated to the upper side, then the punching cylinder 81 in the punching assembly 8 drives the retaining frame 82 to descend, and at the same time, the plastic part is punched by the punching piece 84 when the retaining frame 82 is sleeved to the outside of the punching frame 4, after punching, the second stroke cylinder 85 is started again, the pushing piece 87 is lowered along the punching piece 84, the waste generated by punching is pushed to the communication bin 42, then the air pump module 9 is started, the air is blown to the communication bin 42 along the transmission frame 10 and the second communication pipe 7, and is blown out from the first communication pipe 6, and drives the waste to move from the second communication hole 62 of the first communication pipe 6 to the first sliding plate 11, and finally the waste is discharged along the first sliding plate 11;

[0081] And at the same time punching, the first conveying mechanism 2 moves another group of plastic parts to the upper side of the supporting mechanism 12, and the supporting mechanism 12 transfers it to another group of die blocks 43;

[0082] After waste treatment, the punching assembly 8 is reset, the first steering motor 5 drives the punching frame 4 to rotate, after rotating to one side of the second sliding plate 14, the second steering motor 44 starts, the die block 43 is transferred out of the assembly frame 41, and the vacuum suction mechanism exhausts air from the corresponding suction groove 46, separates the plastic parts from the die block 43, and the plastic parts are separated and moved along the second sliding plate 14 to the second conveying mechanism 3.

[0083] Embodiment 2

[0084] Refer to Figure 9 As shown in the figure, a punching device for producing plastic parts of electric vehicles, comprising a processing box 1 and a first conveying mechanism 2, the top of the processing box 1 is provided with a punching assembly 8 and a gas pump module 9, and the inside of the processing box 1 is provided with a punching frame 4, and the inside of the processing box 1 is provided with a vacuum suction mechanism, the punching assembly 8 is arranged on the upper side of the punching frame 4, the side of the processing box 1 close to the punching frame 4 is provided with a first steering motor 5, and the two sides of the punching frame 4 are respectively provided with a second communication pipe 7 and a first communication pipe 6;

[0085] The end of the second communication pipe 7 away from the punching frame 4 is rotatably connected with the processing box 1, and the end of the first communication pipe 6 away from the punching frame 4 is connected with the output end of the first steering motor 5;

[0086] One end of the first conveying mechanism 2 extends to the lower side of the punching frame 4, for conveying the plastic parts to be processed to the lower side of the punching frame 4 in turn;

[0087] The processing box 1 is provided with a supporting mechanism 12, which is located on the lower side of the punching frame 4 and is arranged in the first conveying mechanism 2, after the first conveying mechanism 2 moves the plastic parts to be processed to the lower side of the punching frame 4, the supporting mechanism 12 transfers them to the punching frame 4;

[0088] The output end of the gas pump module 9 is provided with a transmission frame 10 between the second communication pipe 7;

[0089] The upper side of the first communication pipe 6 is provided with a limiting frame 13, and the top end of the limiting frame 13 is connected with the inner wall of the processing box 1;

[0090] The processing box 1 is provided with a first sliding plate 11, which is arranged on the lower side of the first communication pipe 6;

[0091] The first conveying mechanism 2 comprises two groups of conveying belts arranged side by side, the two groups of conveying belts are arranged in the assembly frame, and the moving speed of the two groups of conveying belts is the same;

[0092] The plastic parts to be processed are distributed downward in the processing position when moving through the first conveying mechanism 2, and are arranged on the upper side of the two groups of conveying belts;

[0093] Adjustable limiting plates are arranged on both sides of the assembling frame, and the position of the plastic parts on the conveying belts is limited by the limiting plates when moving, so that the subsequent supporting mechanism 12 can move the plastic parts into the corresponding mold blocks 43;

[0094] A limiting assembly 15 is arranged on the outer side of the processing box 1 and located on the moving path of the first conveying mechanism 2;

[0095] The limiting assembly 15 comprises a third stroke cylinder, the output end of which is downward and is provided with a blocking plate.

[0096] Compared with example 1, the third stroke cylinder in the limiting assembly 15 intermittently descends to block the plastic parts by the blocking plate when the plastic parts in example 2 move based on the first conveying mechanism 2, and the blocking time corresponds to the time when the punching operation is completed.

[0097] The above is only the preferred embodiment of the present application, and the protection scope of the present application is not limited to the above-mentioned examples. Any technical solution falling within the concept of the present application shall be within the protection scope of the present application. It should be noted that for ordinary skilled persons in the art, some improvements and decorations without departing from the principles of the present application shall also be considered as the protection scope of the present template.

Claims

1. A punching device for producing plastic parts for electric vehicles, characterized in that, include: The processing box (1) has an adjacent punching assembly (8) and an air pump module (9) installed on its upper side, and the processing box (1) has a first steering motor (5) installed inside. The stamping frame (4) is set inside the processing box (1), and the two ends of the stamping frame (4) are respectively equipped with a second connecting pipe (7) and a first connecting pipe (6). One end of the first connecting pipe (6) is connected to the output end of the first steering motor (5), and one end of the second connecting pipe (7) is rotatably connected to the processing box (1); The transmission frame (10) is connected at both ends to the air pump module (9) and the second connecting pipe (7), respectively; The limiting frame (13) is connected to the processing box (1) at its top and the bottom of the limiting frame (13) is sleeved on the upper side of the first connecting pipe (6); The first conveying mechanism (2) extends one end into the interior of the processing box (1) and is located on the lower side of the stamping frame (4); The support mechanism (12) is connected to the processing box (1) and is located inside the first conveying mechanism (2); The stamping frame (4) includes: The assembly frame (41) has a connecting compartment (42) inside, and the two ends of the connecting compartment (42) are respectively connected to the first connecting pipe (6) and the second connecting pipe (7); The mold blocks (43) are installed on both sides of the assembly frame (41) and rotate cyclically between the punching assembly (8) and the support mechanism (12) under the drive of the first steering motor (5). The second connecting pipe (7) includes a first pipe body (71), and at least two sets of first connecting holes (72) are provided on the side of the first pipe body (71). The transmission frame (10) includes a sleeve part and a tube part. The top end of the tube part is connected to the air pump module (9), and the bottom end of the tube part is connected to the sleeve part. The sleeve portion is fitted onto the outside of the first tube (71), and the first tube (71) always maintains at least one set of first connecting holes (72) in communication with the sleeve portion; The limiting frame (13) includes a rod part and a ring part. The top of the rod part is connected to the processing box (1), and the ring part is connected to the bottom of the rod part. The first connecting pipe (6) includes a second pipe body (61), and the second pipe body (61) has a second connecting hole (62) on both the upper and lower sides. The ring part of the limiting frame (13) blocks the second connecting hole (62) on the upper side.

2. The punching device for producing plastic parts for electric vehicles according to claim 1, characterized in that, The first conveying mechanism (2) includes an assembly frame, inside which two sets of conveyor belts are installed side by side; The support mechanism (12) is located between the two sets of conveyor belts.

3. The punching device for producing plastic parts for electric vehicles according to claim 1, characterized in that, The support mechanism (12) includes a plurality of first-stroke cylinders (121) connected to the processing box (1), and a connecting plate (122) is installed on the top of each first-stroke cylinder (121). A plurality of support members (123) are installed on the upper side of the connecting plate (122). Multiple support members (123) are configured based on the shape of the plastic part to keep it in a horizontal position when the plastic part is supported and moved.

4. The punching device for producing plastic parts for electric vehicles according to claim 1, characterized in that, A second steering motor (44) is installed on one side of the assembly frame (41), one side of the mold block (43) is connected to the output end of the second steering motor (44), and the other side of the mold block (43) is rotatably connected to the assembly frame (41).

5. A punching device for producing plastic parts for electric vehicles according to claim 4, characterized in that, The mold block (43) has multiple adsorption grooves (46) inside.

6. A punching device for producing plastic parts for electric vehicles according to claim 1, characterized in that, The punching assembly (8) includes a plurality of punching cylinders (81), and a retaining bracket (82) is installed at the bottom end of each punching cylinder (81). The retaining frame (82) has a reinforcing frame (83) installed inside, and at least one set of punched parts (84) are installed on the lower surface of the reinforcing frame (83). The length and distribution of the punched parts (84) are set based on the processing location of the plastic parts.

7. A punching device for producing plastic parts for electric vehicles according to claim 6, characterized in that, The top of the reinforcement frame (83) is equipped with a plurality of second-stroke cylinders (85), and an assembly plate (86) is installed at the bottom of each second-stroke cylinder (85). At least one set of pushers (87) is installed on the lower surface of the assembly plate (86).

8. A punching device for producing plastic parts for electric vehicles according to claim 7, characterized in that, The length and distribution of the pusher (87) correspond to each punch (84), and each assembly plate (86) is embedded inside the corresponding punch (84).

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