Punching and blanking device for automobile sheet metal parts

By designing a punching and blanking device for automotive sheet metal parts including lower mold seat, support frame, electric push rod, upper mold seat and positioning block, the problem of inconvenience in material removal in the prior art is solved and the convenience of material is achieved The convenient replacement of the drill bits for removal and punching improves the convenience of workflow and the accuracy of processing.

CN222470415UActive Publication Date: 2025-02-14YANTAI XINLUN AUTO PARTS CO LTD
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Patent Information

Application Number
CN202420076231.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-12
Publication Date
2025-02-14
Estimated Expiration
2034-01-12

AI Technical Summary

Technical Problem

The range of punching and blanking devices for existing automotive sheet metal parts is relatively limited when ejecting materials, and it is necessary to manually remove materials from narrow blanking notches, causing inconvenience to staff.

Method used

A punching and blanking device including a lower mold seat, a support frame, an electric push rod, an upper mold seat and a positioning block is designed. By pulling the handle and the guide block and the sliding connection between the guide groove, the collection box is conveniently carried out from the lower mold. Take out from the seat to simplify the material removal process.

Benefits of technology

It realizes convenient material removal, improves the convenience of workflow, and prevents the upper mold seat from being offset by the clamping and connecting of the positioning groove and the positioning block, and ensures the accuracy of processing. At the same time, it allows for convenient replacement of punching drill bits and extends Its service life.

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Abstract

The utility model discloses a punching and blanking device for automobile sheet metal parts, which comprises a lower die holder, a support frame is mounted at the top end of the lower die holder, and an electric push rod is mounted at the top end of the support frame. The collecting box can be taken out from the lower die base by pulling the handle and under the sliding connection effect between the guide block and the guide groove, so that a worker can take out materials in the collecting box conveniently, convenience is brought to the working process of the worker, meanwhile, the anti-rust coating is made of iron red phenolic aldehyde anti-rust paint, and the anti-rust effect is good. Scraps generated by an automobile sheet metal part body are made of iron materials and are left in a collecting box for a long time, the situations of rusting and the like are prone to occurring, meanwhile, by installing a cleaning base, the scraps adhering to the outer side of a punching drill bit can be cleaned through cleaning bristles on the inner side of the cleaning base in the withdrawing process of the punching drill bit, and the punching drill bit is prevented from being damaged. And the smooth proceeding of the subsequent punching work is not influenced.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile sheet metal processing, in particular to a punching and blanking device for automobile sheet metal parts. Background Art

[0002] Automotive sheet metal is a technical means of auto repair. In this respect, automotive sheet metal is equal to automotive sheet metal repair, which refers to the repair of the car body after a collision, that is, all the work except the anti-corrosion and decorative spraying work on the car body. Such as the analysis of car body damage, the measurement of the car body, the shaping of the car body sheet metal, stretching correction, stress relief welding, and the assembly and adjustment of car body accessories;

[0003] Chinese patent authorization announcement number CN212190825U discloses a punching and blanking device for automobile sheet metal parts, which relates to the field of automobile sheet metal parts, including a fixed base and a stamping die, the top surface of the fixed base is vertically welded with an operating vertical plate, one side of the operating vertical plate is horizontally welded with a control button, the inner side of the operating slot of the operating vertical plate is horizontally welded with a fixed support plate, the side of the operating vertical plate is bolted with a protective cover, the top surface of the operating slot of the operating vertical plate is plugged with a punching rod, the side of the operating vertical plate away from the control button is bolted with a punching motor, the inner side of the protective cover is sleeved with a transmission wheel, and the outer side of the transmission wheel is sleeved with a transmission belt. The utility model device has a simple structure and is convenient and quick to operate. The structure of the stamping die can quickly and accurately punch and blank materials, and the double-key control makes it safer and more efficient when stamping. The above-mentioned existing technical solution has the following shortcomings: this technical solution enables the bottom support block to eject the material above under the support of the support spring on the inner side of the limit groove. The device structure is simple and easy to operate. However, this technology only ejects the material, but the ejection range is relatively limited. It is still necessary to manually take out the material from the narrow blanking slot, which brings inconvenience to the staff. Therefore, we need to design a punching and blanking device for automobile sheet metal parts to solve the above-mentioned problems. Utility Model Content

[0004] The utility model aims to provide a punching and blanking device for automobile sheet metal parts, so as to solve the problem of facilitating material extraction of the punching and blanking device proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a punching and blanking device for automobile sheet metal parts, comprising a lower die base, a support frame is installed at the top of the lower die base, and an electric push rod is installed at the top of the support frame, a second connecting plate is installed at the bottom end of the electric push rod, and a first connecting plate is installed at the bottom end of the second connecting plate, a punching drill bit is installed at the bottom end of the first connecting plate, an upper die base is installed on the inner side of the support frame at the top end of the lower die base, and a through groove is arranged inside the upper die base, positioning blocks are evenly installed on one end of the upper die base close to the lower die base, and positioning grooves are evenly arranged on one end of the lower die base close to the upper die base, and the positioning grooves are all connected to the positioning blocks through magnets.

[0006] When using a punching and blanking device for automobile sheet metal parts of the present technical solution, the collection box can be removed from the lower die base by pulling the handle and under the sliding connection between the guide block and the guide groove, thereby making it convenient for the staff to take out the materials inside it, bringing convenience to the staff's work process.

[0007] Preferably, mounting plates are installed on both sides of the upper mold base, and threaded grooves are provided inside the mounting plates, threaded rods are installed inside the threaded grooves, and hand wheels are installed at the tops of the threaded rods, fixed plates are installed at the bottom ends of the threaded rods, and fixed blocks are installed at the bottom ends of the fixed plates, fixing grooves are provided on both sides of the top end of the lower mold base, and the fixing grooves are connected to the fixed blocks, and anti-slip teeth are evenly installed at the bottom ends of the fixing plates.

[0008] Preferably, the cross-section of the anti-slip teeth is uniformly arranged in a triangular shape, and the anti-slip teeth are arranged and distributed at equal intervals at the bottom end of the fixing plate.

[0009] Preferably, the second connecting plate is provided with a positive and negative thread screw inside, and a motor is installed on one side of the positive and negative thread screw, threaded sleeves are evenly installed on the outer side of the positive and negative thread screw, and limiting blocks are installed on the bottom ends of the threaded sleeves, and the first connecting plate is provided with a receiving groove inside, and limiting grooves are provided on both sides of the receiving groove, and the limiting grooves are connected to the limiting blocks.

[0010] Preferably, an automobile sheet metal body is installed on the top of the lower die base, a collection box is installed inside the lower die base, and an anti-rust coating is provided inside the collection box, guide blocks are installed on both sides of the collection box, guide grooves are evenly provided on the inner side of the lower die base, and the guide grooves are connected to the guide blocks, a handle is installed at one end of the collection box, and the material of the collection box is iron red phenolic paint.

[0011] Preferably, a cleaning seat is installed on the outer side of the punching drill bit at the top end of the upper die seat, and cleaning bristles are evenly installed inside the cleaning seat.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the punching and blanking device for automobile sheet metal parts not only realizes the function of facilitating the removal of materials, but also realizes the function of facilitating the replacement of drill bits;

[0013] (1) By pulling the handle and slidingly connecting the guide block and the guide groove, the collection box can be taken out from the lower die seat, so that it is convenient for the staff to take out the materials inside, which brings convenience to the staff's work process. At the same time, by setting the anti-rust coating, the material of which is iron red phenolic anti-rust coating, the waste chips generated by the body of the automobile sheet metal is iron material, which is easily rusted when it is retained in the collection box for a long time. At the same time, by installing the cleaning seat, the waste chips adhered to the outside of the punching drill bit can be cleaned by the cleaning bristles on the inside of the cleaning seat during the retraction process, so that it does not affect the smooth progress of the subsequent punching work;

[0014] (2) Through the snap-fit ​​connection between the positioning groove and the positioning block, the installation of the upper die seat can be positioned to prevent the upper die seat from being offset during the punching process, which would affect the subsequent processing work. At the same time, by starting the motor and under the action of the threaded connection, the limit block can be pulled out from the inside of the limit groove to release the installation connection between the second connecting plate and the through groove, so as to facilitate the replacement of the punching drill bit and effectively extend the service life and use value of the punching drill bit. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0017] Figure 2 For the utility model Figure 1 Schematic diagram of the structure at A in the middle;

[0018] Figure 3 This is a front view structural schematic diagram of the utility model;

[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of the first connecting plate and the second connecting plate combined in the utility model;

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the cleaning seat of the utility model in cross-section.

[0021] Explanation of the reference numerals in the figure: 1. Electric push rod; 2. Support frame; 3. Upper die seat; 4. Positioning block; 5. Positioning groove; 6. Lower die seat; 7. Guide block; 8. Collection box; 9. Anti-rust coating; 10. Guide groove; 11. Automobile sheet metal body; 12. Through groove; 13. Punching drill bit; 14. Cleaning seat; 15. First connecting plate; 16. Mounting plate; 17. Handwheel; 18. Threaded groove; 19. Threaded rod; 20. Fixed plate; 21. Fixed block; 22. Fixed groove; 23. Anti-slip teeth; 24. Handle; 25. Second connecting plate; 26. Motor; 27. Positive and negative thread screw; 28. Threaded sleeve; 29. ​​Limit block; 30. Receiving groove; 31. Limit groove; 32. Cleaning brush. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 5 , an embodiment provided by the utility model: a punching and blanking device for automobile sheet metal parts, comprising a lower die seat 6;

[0024] The top of the lower die base 6 is provided with an automobile sheet metal body 11, a collection box 8 is provided inside the lower die base 6, and an anti-rust coating 9 is provided inside the collection box 8, guide blocks 7 are provided on both sides of the collection box 8, and guide grooves 10 are evenly provided on the inner side of the lower die base 6, and the guide grooves 10 are connected to the guide blocks 7, a handle 24 is provided at one end of the collection box 8, and the material of the collection box 8 is iron red phenolic paint;

[0025] Specifically, Figure 1 and Figure 3 As shown, when in use, the collection box 8 can be taken out from the lower die base 6 by pulling the handle 24 and slidingly connecting the guide block 7 and the guide groove 10, so that it is convenient for the staff to take out the materials inside, bringing convenience to the staff's work process;

[0026] A support frame 2 is installed at the top of the lower die base 6, and an electric push rod 1 is installed at the top of the support frame 2, and a second connecting plate 25 is installed at the bottom of the electric push rod 1;

[0027] A positive and negative threaded screw 27 is arranged inside the second connecting plate 25, and a motor 26 is installed on one side of the positive and negative threaded screw 27, and a threaded sleeve 28 is evenly installed on the outer side of the positive and negative threaded screw 27, and a limit block 29 is installed at the bottom end of the threaded sleeve 28, and a receiving groove 30 is arranged inside the first connecting plate 15, and limit grooves 31 are arranged on both sides of the receiving groove 30, and the limit grooves 31 are connected to the limit blocks 29;

[0028] Specifically, Figure 1 and Figure 4 As shown, when in use, by starting the motor 26 and under the action of the threaded connection, the limit block 29 can be pulled out from the inside of the limit groove 31, so as to release the installation connection relationship between the second connecting plate 25 and the through groove 12, so as to facilitate the replacement of the punching drill bit 13, effectively extending the service life and use value of the punching drill bit 13;

[0029] The first connecting plate 15 is installed at the bottom end of the second connecting plate 25, a punching drill 13 is installed at the bottom end of the first connecting plate 15, and an upper die seat 3 is installed on the inner side of the support frame 2 at the top end of the lower die seat 6;

[0030] A cleaning seat 14 is installed on the outer side of the punching drill 13 at the top of the upper die seat 3, and cleaning bristles 32 are evenly installed inside the cleaning seat 14;

[0031] Specifically, Figure 1 and Figure 5 As shown, when in use, the waste chips adhering to the outside of the punching drill 13 can be cleaned by the cleaning seat 14 so as not to affect the smooth progress of the subsequent punching work;

[0032] Mounting plates 16 are installed on both sides of the upper die base 3, and threaded grooves 18 are provided inside the mounting plates 16, threaded rods 19 are installed inside the threaded grooves 18, and hand wheels 17 are installed on the tops of the threaded rods 19, and fixing plates 20 are installed on the bottoms of the threaded rods 19, and fixing blocks 21 are installed on the bottoms of the fixing plates 20, and fixing grooves 22 are provided on both sides of the top of the lower die base 6, and the fixing grooves 22 are connected to the fixing blocks 21, and anti-slip teeth 23 are evenly installed on the bottom of the fixing plate 20, and the cross-section of the anti-slip teeth 23 is evenly arranged in a triangular shape, and the anti-slip teeth 23 are evenly spaced and distributed at the bottom of the fixing plate 20;

[0033] Specifically, Figure 1 and Figure 2 As shown, when in use, by rotating the hand wheel 17, the fixing blocks 21 are inserted into the fixing grooves 22 in sequence under the action of the threaded connection, so as to limit and fix the automobile sheet metal body 11;

[0034] A through groove 12 is arranged inside the upper die base 3, a positioning block 4 is evenly installed on one end of the upper die base 3 close to the lower die base 6, and a positioning groove 5 is evenly arranged on one end of the lower die base 6 close to the upper die base 3, and the positioning grooves 5 are connected to the positioning blocks 4 through magnets.

[0035] Working principle: When the utility model is used, the automobile sheet metal body 11 is placed on the top of the lower die seat 6. At this time, through the engagement relationship between the positioning block 4 and the positioning groove 5, and the hand wheel 17 is turned, the fixing block 21 is inserted into the inside of the fixing groove 22 in sequence under the action of the threaded connection, so as to limit and fix the automobile sheet metal body 11. At this time, the electric push rod 1 is started to drive the punching drill 13 to press down and start the punching work. The waste chips generated during the punching process will fall into the inside of the collection box 8. The staff only needs to pull the handle 24 to pull out the collection box 8 to clean the waste chips inside it;

[0036] When the punching drill bit 13 needs to be replaced, the motor 26 is started and under the action of the threaded connection, the limit block 29 can be pulled out from the inside of the limit groove 31 to release the installation connection relationship between the second connecting plate 25 and the through groove 12, so as to facilitate the replacement of the punching drill bit 13, effectively extending the service life and use value of the punching drill bit 13.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, i.e., they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Those of ordinary skill in the art may understand and implement it without creative effort.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A punching and blanking device for automobile sheet metal parts, comprising a lower die seat (6), characterized in that: A support frame (2) is installed at the top of the lower die base (6), and an electric push rod (1) is installed at the top of the support frame (2); a second connecting plate (25) is installed at the bottom of the electric push rod (1), and a first connecting plate (15) is installed at the bottom of the second connecting plate (25); a punching drill (13) is installed at the bottom of the first connecting plate (15); an upper die base (3) is installed on the inner side of the support frame (2) at the top of the lower die base (6), and a through groove (12) is arranged inside the upper die base (3); a positioning block (4) is evenly installed at one end of the upper die base (3) close to the lower die base (6); a positioning groove (5) is evenly arranged at one end of the lower die base (6) close to the upper die base (3), and the positioning groove (5) is connected to the positioning block (4) through a magnet.

2. The punching and blanking device for automobile sheet metal parts according to claim 1, characterized in that: Mounting plates (16) are installed on both sides of the upper die base (3), and threaded grooves (18) are provided inside the mounting plates (16), threaded rods (19) are installed inside the threaded grooves (18), and hand wheels (17) are installed at the top ends of the threaded rods (19), fixing plates (20) are installed at the bottom ends of the threaded rods (19), and fixing blocks (21) are installed at the bottom ends of the fixing plates (20), fixing grooves (22) are provided on both sides of the top end of the lower die base (6), and the fixing grooves (22) are connected to the fixing blocks (21), and anti-slip teeth (23) are evenly installed at the bottom ends of the fixing plates (20).

3. The punching and blanking device for automobile sheet metal parts according to claim 2, characterized in that: The cross-section of the anti-slip teeth (23) is evenly arranged in a triangular shape, and the anti-slip teeth (23) are arranged and distributed at equal intervals at the bottom end of the fixed plate (20).

4. The punching and blanking device for automobile sheet metal parts according to claim 1, characterized in that: A forward and reverse threaded screw (27) is arranged inside the second connecting plate (25), and a motor (26) is installed on one side of the forward and reverse threaded screw (27); threaded sleeves (28) are evenly installed on the outer sides of the forward and reverse threaded screw (27), and a limiting block (29) is installed at the bottom end of each threaded sleeve (28); a receiving groove (30) is arranged inside the first connecting plate (15), and limiting grooves (31) are arranged on both sides of the receiving groove (30), and each limiting groove (31) is connected to the limiting block (29).

5. The punching and blanking device for automobile sheet metal parts according to claim 1, characterized in that: The top of the lower die base (6) is mounted with an automobile sheet metal body (11), the interior of the lower die base (6) is mounted with a collection box (8), and the interior of the collection box (8) is provided with an anti-rust coating (9), both sides of the collection box (8) are mounted with guide blocks (7), the inner side of the lower die base (6) is evenly provided with guide grooves (10), and the guide grooves (10) are connected to the guide blocks (7), one end of the collection box (8) is mounted with a handle (24), and the material of the collection box (8) is iron red phenolic paint.

6. The punching and blanking device for automobile sheet metal parts according to claim 1, characterized in that: A cleaning seat (14) is installed on the outer side of the punching drill bit (13) at the top end of the upper die seat (3), and cleaning bristles (32) are evenly installed inside the cleaning seat (14).

Citation Information

Patent Citations

  • Punching and blanking device for automobile sheet metal part

    CN212190825U