Automated trimming mechanism for automobile a-pillar stamping die

Abstract

The utility model provides an automobile A column stamping die automatic edge trimming mechanism, including upper die holder, lower die holder, upper trimming die body and lower trimming die body, upper die holder and upper trimming die body are connected through bolt fastening, lower die holder and lower trimming die body are connected through bolt fastening make upper trimming die body and lower trimming die body close die connection, still include trimming movable die body, the bottom of trimming movable die body is provided with trimming contour, the periphery of trimming contour is provided with a plurality of trimming die -cutting block connected with trimming movable die body, a plurality of trimming die -cutting block is spliced along trimming contour and is positioned and fixed with positioning pin, the top of lower trimming die body is provided with the anti -contact component corresponding with trimming die -cutting block. The utility model can play good anti -contact effect, make trimming die -cutting block die -cutting automobile A column, prevent transition and lower trimming die body and produce contact, ensure the contact precision of inflation, avoid trimming die -cutting block wear and tear damage.

Description

Technical Field

[0001] This utility model belongs to the field of stamping die technology, and relates to an automated trimming mechanism for automobile A-pillar stamping dies. Background Technology

[0002] Stamping, also known as stamping hardening, is a new technology that has emerged in recent years specifically for stamping high-strength steel sheet parts for automobiles. It is also one of the key technologies for achieving lightweight automobile production. Stamped parts made using hot stamping technology can have a strength of up to 1500MPa and have outstanding advantages such as high forming accuracy and good formability. As a result, it has attracted widespread attention in the industry and has quickly become a popular technology in the automotive manufacturing field. It is widely used in the production of safety components such as door anti-collision beams and front and rear bumpers, as well as body structural components such as A-pillars, B-pillars, C-pillars, and center tunnels.

[0003] During the stamping process of the outer panel of the A-pillar of a car, burrs or overflow may occur at the edge. Therefore, a trimming mechanism is used. The existing trimming mechanism has the disadvantage that there is excessive contact between the trimming blade and the lower die body, which causes wear and cracking of the blade, affecting the trimming accuracy and quality. To address this, we designed an automated trimming mechanism for the stamping die of the A-pillar of a car. Summary of the Invention

[0004] The purpose of this invention is to provide an automated trimming mechanism for automobile A-pillar stamping dies to solve the problems mentioned in the background art.

[0005] The objective of this utility model can be achieved through the following technical solution: an automated trimming mechanism for automobile A-pillar stamping dies, comprising an upper die base, a lower die base, an upper trimming die body, and a lower trimming die body. The upper die base and the upper trimming die body are fastened together by bolts, and the lower die base and the lower trimming die body are fastened together by bolts, so that the upper trimming die body and the lower trimming die body are closed and connected. It also includes a trimming movable die body. The bottom end of the trimming movable die body is provided with a trimming contour. The periphery of the trimming contour is provided with a plurality of punching trimming blocks connected to the trimming movable die body. The plurality of punching trimming blocks are spliced ​​along the trimming contour and fixed by positioning pins. The top end of the lower trimming die body is provided with an anti-contact component corresponding to the punching trimming blocks.

[0006] In the aforementioned automated trimming mechanism for automotive A-pillar stamping dies, the anti-contact component includes multiple protrusions located at the top of the lower trimming die body. Each of these protrusions has a steering connecting rod at its top, and each steering connecting rod has an anti-contact connector at its tip. This design aims to provide a good anti-contact effect, preventing the trimming block from making excessive contact with the lower trimming die body when punching the automotive A-pillar, ensuring the contact accuracy of the inflation, and avoiding wear and damage to the trimming block.

[0007] In the aforementioned automated trimming mechanism for automotive A-pillar stamping dies, a mold groove for mounting a movable trimming mold body is provided at the center of the bottom end of the upper trimming mold body. A positioning end for positioning the movable trimming mold body is provided inside the mold groove. A punching position for punching the automotive A-pillar is provided at the center of the top end of the lower trimming mold body, and this punching position corresponds to the punching and trimming block of the movable trimming mold body. This design aims to achieve excellent positioning of the movable trimming mold body, ensuring high positional accuracy during assembly and preventing displacement.

[0008] In the aforementioned automated trimming mechanism for automotive A-pillar stamping dies, the lower trimming die body has integrally formed guide recesses on both sides of its top end, with guide post positioning holes inside the two guide recesses. The upper trimming die body has integrally formed guide seats on both sides of its bottom end, corresponding to the guide recesses. This design ensures good stability in the mold-closing connection between the upper and lower trimming dies, guaranteeing the accuracy of the mold closing and ensuring high precision in the movement of the automotive A-pillar during stamping and trimming.

[0009] In the aforementioned automated trimming mechanism for automotive A-pillar stamping dies, a reset contact is provided in the middle of the trimming movable die body. Two reset contacts correspond to two cylinder reset components, which are embedded in the upper trimming die body. A reset rod is provided at the output shaft of each cylinder reset component, contacting the reset contact. This design aims to achieve a certain reset effect, allowing the trimming movable die body to quickly reset after its downward punching motion, further preventing jamming and over-cutting.

[0010] In the aforementioned automated trimming mechanism for automotive A-pillar stamping dies, the trimming movable die body is connected to the upper trimming die body via a cylinder assembly. The cylinder assembly consists of multiple cylinders that are not evenly distributed. This arrangement facilitates better driving of the trimming movable die body to perform the punching motion, ensuring sufficient punching force.

[0011] Compared with the prior art, the advantages of the automated trimming mechanism for automobile A-pillar stamping dies of this utility model are as follows: the anti-contact component includes multiple protrusions on the top of the lower trimming die body, the protrusions are distributed along the contour, and the multiple protrusions are provided with steering connecting rods to connect the anti-contact joints, which can play a good anti-contact effect, so that when the punching trimming block punches the automobile A-pillar, it prevents the transition from contacting the lower trimming die body, ensures the contact accuracy of inflation, and avoids wear and damage to the punching trimming block. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the automated trimming mechanism for automobile A-pillar stamping dies of this utility model.

[0013] Figure 2This is a three-dimensional structural diagram of the lower trimming mold body of the automated trimming mechanism for automobile A-pillar stamping mold of this utility model.

[0014] Figure 3 This is a three-dimensional structural diagram of the trimming mold body of the automated trimming mechanism for automobile A-pillar stamping mold of this utility model.

[0015] Figure 4 This is a three-dimensional structural diagram of the trimming movable mold body of the automated trimming mechanism for automobile A-pillar stamping mold of this utility model.

[0016] Figure 5 This is a schematic diagram of the structure of the reset contact on the moving die body of the automated trimming mechanism for automotive A-pillar stamping mold of this utility model.

[0017] In the diagram, 1. Upper mold base; 2. Lower mold base; 3. Upper trimming mold body; 4. Lower trimming mold body; 5. Punching position; 6. Guide notch; 7. Guide post positioning hole; 8. Protrusion seat; 9. Steering connecting rod; 10. Anti-collision connector; 11. Mold body groove; 12. Positioning end; 13. Guide seat; 14. Trimming movable mold body; 15. Cylinder assembly; 16. Punching and trimming block; 17. Positioning pin; 18. Trimming contour; 19. Cylinder reset component; 20. Reset rod; 21. Reset contact. Detailed Implementation

[0018] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0019] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the implementation scheme of the automated trimming mechanism for automobile A-pillar stamping mold of this utility model is as follows;

[0020] As the first embodiment of this solution: it includes an upper mold base 1 and a lower mold base 2. The upper mold base 1 and the lower mold base 2 are connected to a power device, which can drive the upper mold base 1 to move towards the lower mold base 2. Further, the upper mold base 1 is fastened to the upper trimming mold body 3 by bolts, and the lower mold base 2 is fastened to the lower trimming mold body 4 by bolts. The upper trimming mold body 3 and the lower trimming mold body 4 are connected by guide columns. It also includes a trimming movable mold body 14. The bottom end of the trimming movable mold body 14 is provided with a trimming contour 18. The periphery of the trimming contour 18 is provided with a plurality of punching trimming blocks 16 connected to the trimming movable mold body 14. The plurality of punching trimming blocks 16 are spliced ​​along the trimming contour 18 and fixed by positioning pins 17. The top end of the lower trimming mold body 4 is provided with an anti-contact component corresponding to the punching trimming blocks 16.

[0021] like Figure 2As shown, the anti-contact component includes multiple protrusions 8 disposed at the top of the lower trimming mold body 4. Each protrusion 8 has a steering connecting rod 9 at its top, and each steering connecting rod 9 has an anti-contact connector 10 at its head. Not every protrusion 8 is equipped with a steering connecting rod 9; the shape and height of the protrusion 8 are changed according to actual needs so that the protrusion 8 can also play an anti-contact role.

[0022] As a second embodiment of this solution: it includes an upper mold base 1, a lower mold base 2, an upper trimming mold body 3, and a lower trimming mold body 4. The upper mold base 1 and the upper trimming mold body 3 are fastened together by bolts, and the lower mold base 2 and the lower trimming mold body 4 are fastened together by bolts, so that the upper trimming mold body 3 and the lower trimming mold body 4 are closed and connected. It also includes a trimming movable mold body 14. The bottom end of the trimming movable mold body 14 is provided with a trimming contour 18, and the periphery of the trimming contour 18 is provided with a plurality of elements connected to the trimming movable mold body 14. A punching and trimming block 16 is provided. Multiple punching and trimming blocks 16 are spliced ​​along the trimming contour 18 and fixed by positioning pins 17. A mold groove 11 is provided in the middle of the bottom end of the upper trimming mold body 3, which can be used to install the trimming movable mold body 14. The mold groove 11 is provided with a positioning end 12 that can position the trimming movable mold body 14. A punching position 5 is provided in the middle of the top end of the lower trimming mold body 4, which can punch the A-pillar of a car. The punching position 5 can correspond to the punching and trimming block 16 of the trimming movable mold body 14.

[0023] In the second embodiment, in order to ensure good precision in the mold closing connection between the upper trimming mold body 3 and the lower trimming mold body 4, two integrally formed guide recesses 6 are provided on both sides of the top of the lower trimming mold body 4. Guide post positioning holes 7 are provided inside the two guide recesses 6, which can further install guide connecting rods to ensure the structural strength of the connection between the two. Two integrally formed guide seats 13 corresponding to the guide recesses 6 are provided on both sides of the bottom of the upper trimming mold body 3.

[0024] As a third embodiment of this solution: it includes an upper mold base 1, a lower mold base 2, an upper trimming mold body 3, and a lower trimming mold body 4. The upper mold base 1 and the upper trimming mold body 3 are fastened together by bolts, and the lower mold base 2 and the lower trimming mold body 4 are fastened together by bolts, so that the upper trimming mold body 3 and the lower trimming mold body 4 are closed and connected. It also includes a trimming movable mold body 14. The bottom end of the trimming movable mold body 14 is provided with a trimming contour 18. Multiple punching trimming blocks 16 connected to the trimming movable mold body 14 are provided around the trimming contour 18. The multiple punching trimming blocks 16 are spliced ​​along the trimming contour 18 and positioned and fixed by positioning pins 17. The top end of the lower trimming mold body 4 is provided with an anti-contact component corresponding to the punching trimming block 16; the anti-contact component is as follows: Figure 2 As shown, it will not be repeated here.

[0025] A reset contact 21 is provided in the middle of the trimming movable mold body 14. Two reset contacts 21 correspond to two cylinder reset components 19, which are embedded in the upper trimming mold body 3. A reset rod 20 is provided at the output shaft of the cylinder reset component 19 to contact the reset contact 21. This ensures a certain reset effect, allowing the trimming movable mold body 14 to quickly reset after downward punching movement, further preventing jamming and over-punching.

[0026] As a third embodiment of this solution: it includes an upper mold base 1, a lower mold base 2, an upper trimming mold body 3, and a lower trimming mold body 4. The upper mold base 1 and the upper trimming mold body 3 are fastened together by bolts, and the lower mold base 2 and the lower trimming mold body 4 are fastened together by bolts, so that the upper trimming mold body 3 and the lower trimming mold body 4 are closed and connected. It also includes a trimming movable mold body 14. The bottom end of the trimming movable mold body 14 is provided with a trimming contour 18. Multiple punching trimming blocks 16 connected to the trimming movable mold body 14 are provided around the trimming contour 18. The multiple punching trimming blocks 16 are spliced ​​along the trimming contour 18 and positioned and fixed by positioning pins 17. The top end of the lower trimming mold body 4 is provided with an anti-contact component corresponding to the punching trimming block 16; the anti-contact component is as follows: Figure 2 As shown, it will not be repeated here;

[0027] The trimming movable mold 14 is connected to the upper trimming mold 3 via a cylinder assembly 15. The cylinder assembly 15 consists of multiple cylinders that are unevenly distributed. This allows for better driving of the trimming movable mold 14 to perform the punching motion, ensuring the punching force.

[0028] Contents not described in detail herein are existing technologies known to those skilled in the art. The specific embodiments described herein are merely illustrative examples illustrating the spirit of this invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this invention or exceeding the scope defined by the appended claims.

Claims

1. An automated trimming mechanism for stamping automobile A-pillars, comprising an upper die base (1), a lower die base (2), an upper trimming die body (3), and a lower trimming die body (4), wherein the upper die base (1) and the upper trimming die body (3) are fastened together by bolts, and the lower die base (2) and the lower trimming die body (4) are fastened together by bolts, such that the upper trimming die body (3) and the lower trimming die body (4) are closed and connected, characterized in that, It also includes a trimming movable mold (14), the bottom end of which is provided with a trimming contour (18), and the periphery of the trimming contour (18) is provided with a plurality of punching trimming blocks (16) connected to the trimming movable mold (14). The plurality of punching trimming blocks (16) are spliced ​​along the trimming contour (18) and fixed by positioning pins (17). The top end of the lower trimming mold (4) is provided with an anti-contact component corresponding to the punching trimming blocks (16).

2. The automated trimming mechanism for automobile A-pillar stamping dies according to claim 1, characterized in that, The anti-contact component includes multiple protrusions (8) disposed at the top of the lower trimming mold body (4), and each of the multiple protrusions (8) is provided with a steering connecting rod (9) at its top end, and each of the steering connecting rods (9) is provided with an anti-contact connector (10).

3. The automated trimming mechanism for automobile A-pillar stamping dies according to claim 1, characterized in that, The upper trimming mold (3) has a mold groove (11) at the middle of its bottom end, which can be used to install the trimming movable mold (14). The mold groove (11) has a positioning end (12) inside which can position the trimming movable mold (14). The lower trimming mold (4) has a punching position (5) at the middle of its top end, which can punch the A-pillar of a car. The punching position (5) corresponds to the punching trimming block (16) of the trimming movable mold (14).

4. The automated trimming mechanism for automobile A-pillar stamping dies according to claim 1, characterized in that, The lower trimming mold body (4) has integrally formed guide recesses (6) on both sides of its top end, and guide post positioning holes (7) are provided inside the two guide recesses (6). The upper trimming mold body (3) has integrally formed guide seats (13) on both sides of its bottom end, corresponding to the guide recesses (6).

5. The automated trimming mechanism for automobile A-pillar stamping dies according to claim 1, characterized in that, The middle part of the trimming movable mold (14) is provided with a reset contact (21). The two reset contacts (21) correspond to two cylinder reset parts (19). The cylinder reset parts (19) are embedded in the upper trimming mold (3). The output shaft of the cylinder reset parts (19) is provided with a reset rod (20) that contacts the reset contact (21).

6. The automated trimming mechanism for automobile A-pillar stamping dies according to claim 1, characterized in that, The trimming movable mold (14) is connected to the upper trimming mold (3) through a cylinder group (15), and the number of cylinder groups (15) is multiple and unevenly distributed.

Images