Punching jig for automobile roof decoration strip
By designing a punching fixture for automotive roof trim, using arc-shaped punches and concave dies, elastic parts and linkage mechanisms, the deformation and burrs during punching in the prior art are solved, and the problem of burrs is realized. The holes and the gaps on both sides are punched and cut simultaneously, improving product accuracy and production efficiency.
Patent Information
- Application Number
- CN202411443980.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-02-18
AI Technical Summary
When cutting the roof trim of the vehicle, the existing technology can easily lead to product appearance deformation and burr problems, and the original punching design is not convenient to punch square holes and notches on both sides at the same time.
An automobile roof trim punching fixture is designed, including a lower die seat, an upper die seat, a punching drive element and a pressing seat, and the combination of the arc-shaped first punching punch and the first punching die , combined with elastic parts and linkage mechanism, flexible press-cutting and porous punching of the workpiece are realized.
It effectively prevents the deformation of the workpiece, reduces the burr problem, and realizes the simultaneous punching and cutting between square holes and notches on both sides, saving time and improving product accuracy.
Smart Images

Figure CN119458516A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of molds and relates to a punching jig for automobile roof trim strips. Background Art
[0002] The roof trim is a rolled and pressed product, and its main material is made of aluminum and plastic. At present, some roof trims need to be punched with square holes and notches on both sides. Since the upper and lower sections of the product are made of soft plastic, if they are punched in the conventional way, the product appearance will inevitably be deformed. At the same time, the original punching is to place the product section opening upwards, which will cause burrs to face the appearance surface. Therefore, there are still appearance problems, and there is a lot of room for improvement. Summary of the invention
[0003] The purpose of the present invention is to solve the above problems in the prior art and to provide a punching jig for automobile roof trim strips.
[0004] The purpose of the present invention can be achieved through the following technical solutions: A punching jig for automobile roof trim strips, comprising:
[0005] A lower die base, which is provided with a first punching die;
[0006] An upper die seat, which can be raised and lowered and moved closer to or away from the lower die seat, is provided with a first punching punch, the first punching punch is a curved surface, and the distance from the first punching punch to the first punching die gradually increases from the middle to both sides;
[0007] A punching drive element connected to the lower die base, the upper die base connected to the output shaft of the first punching drive element, the first punching drive element can drive the upper die base to move up and down so that the first punching punch approaches or moves away from the first punching die;
[0008] The press seat is connected to the upper die seat in a liftable manner. The press seat is provided with a punching hole. The first punching punch is located in the punching hole. The press seat is lower than the first punching punch and can be raised and lowered above the first punching punch.
[0009] In the above-mentioned automobile roof trim punching jig, it also includes an elastic member, which is located between the upper die seat and the pressing seat, and the pressing seat is connected to the upper die seat through the elastic member.
[0010] In the above-mentioned automobile roof trim punching jig, the upper die seat is further provided with a guide rod, and the pressing seat is further provided with a first guide hole, and the guide rod is slidably connected to the first guide hole.
[0011] In the above-mentioned automobile roof trim punching jig, it also includes a second punching die and a second punching punch, the second punching die is connected to the lower die base, the second punching punch can be raised and lowered and connected to the lower die base, the lower die base is also provided with a first linkage part, the upper die base is also provided with a second linkage part, the second linkage part can contact with the first linkage part, when the upper die base approaches the lower die base, it can drive the second linkage part to approach the first linkage part, and when the second linkage part contacts with the first linkage part, it drives the second punching punch to approach the second punching die.
[0012] In the above-mentioned automobile roof trim punching jig, it also includes a movable seat, the lower die seat includes a first position and a second position, the movable seat can be moved to the first position or the second position, when the movable seat is located at the first position, the second linkage part is aligned with the first linkage part, when the movable seat is located at the second position, the second linkage part is staggered with the first linkage part, and the second punching die and the second punching punch are both arranged on the movable seat.
[0013] In the above-mentioned automobile roof trim punching jig, it also includes a movable driving element, the movable driving element is connected to the lower die seat, the movable seat is connected to the output shaft of the movable driving element, and the movable driving element can drive the movable seat to move.
[0014] In the above-mentioned automobile roof trim punching jig, the lower die seat is provided with a first blanking groove and a second blanking groove, the first blanking groove is located below the first punching punch, and the second blanking groove is located below the second punching punch.
[0015] In the above-mentioned automobile roof trim punching jig, the first punching punch is provided with an elastic pin, the cutting blade of the first punching punch is a square-shaped structure, and the elastic pin is arranged at the center of the cutting blade of the first punching punch.
[0016] In the above-mentioned punching jig for automobile roof trim strips, the lower die base is further provided with a second guide hole, and the guide rod passes through the first guide hole and is slidably connected to the second guide hole.
[0017] In the above-mentioned punching jig for automobile roof trim strips, the lower die base is further provided with a guide groove, and the upper die base is further provided with a guide block, and the guide block is slidably connected to the guide groove.
[0018] Compared with the prior art, the present invention has the following beneficial effects:
[0019] 1. When the automobile roof trim punching jig is closed, the press seat first contacts and presses the workpiece to prevent it from slipping, and then the first punching punch and the first punching die are sheared to punch the workpiece. At the same time, the straight-line distance from the first punching punch to the first punching die gradually increases from the middle to both sides, so it contacts the middle first and then the two sides to prevent the workpiece from deformation.
[0020] 2. The press seat is connected to the upper die seat through an elastic member, which can push the press seat away from the upper die seat, thereby ensuring that the press seat is lower than the first punching punch under the window sill, and ensuring that the press seat flexibly presses the workpiece to prevent its deformation when the press seat contacts the workpiece.
[0021] 3. When the upper die seat is close to the lower die seat, the second linkage part can be driven to be close to the first linkage part, and when the second linkage part contacts the first linkage part, the second punching punch is driven to be close to the second punching die. Therefore, in the punching process of the square hole, the notches on both sides are punched at the same time, without the need for multiple sets of dies and multiple positioning, which greatly saves time and improves product precision.
[0022] 4. When the movable seat is located at the first position, the second linkage part is aligned with the first linkage part. When the movable seat is located at the second position, the second linkage part is staggered with the first linkage part, so that the punching of the second punching die and the second punching punch can be selected. When punching a notch is required, the movable seat can be moved to the first position. When punching a notch is not required, the movable seat can be moved to the second position.
[0023] 5. The mobile driving element can drive the mobile seat to move, thereby realizing automatic control of the mobile seat between the first position and the second position. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a schematic structural diagram of the punching jig for automobile roof trim strips of the present invention.
[0025] Figure 2 This is a schematic structural diagram of the automobile roof trim punching jig from another perspective of the present invention.
[0026] Figure 3 The figure is a top view of the punching jig for automobile roof trim strips of the present invention.
[0027] Figure 4 for Figure 3 Cross-sectional view from AA perspective.
[0028] Figure 5 for Figure 3 Cross-sectional view from BB perspective.
[0029] Figure 6 It is a schematic structural diagram of the first punching punch of the present invention.
[0030] In the figure, 100, lower die seat; 110, first punching die; 120, first linkage part; 130, first blanking groove; 140, second blanking groove; 150, second guide hole; 160, guide groove; 200, upper die seat; 210, first punching punch; 211, elastic pin; 220, guide rod; 230, second linkage part; 240, guide block; 300, punching drive element; 400, pressing seat; 410, first guide hole; 500, elastic member; 600, second punching die; 700, second punching punch; 800, movable seat; 900, movable drive element. DETAILED DESCRIPTION
[0031] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
[0032] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0033] In addition, in the present invention, descriptions such as "first", "second", "one", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0034] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0035] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.
[0036] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.
[0037] like Figure 1-Figure 6 As shown, a punching jig for automobile roof trim strips includes: a lower die base 100, an upper die base 200, a punching drive element 300 and a pressing base 400.
[0038] The lower die base 100 is provided with a first punching die 110 .
[0039] Among them, the upper die base 200 can be raised and lowered and approach or move away from the lower die base 100. The upper die base 200 is provided with a first punching punch 210. The first punching punch 210 is an arc surface. The distance from the first punching punch 210 to the first punching die 110 gradually increases from the middle to both sides.
[0040] Among them, the punching driving element 300 is connected to the lower die base 100, and the upper die base 200 is connected to the output shaft of the first punching driving element 300. The first punching driving element 300 can drive the upper die base 200 to rise and fall so that the first punching punch 210 is close to or away from the first punching die 110.
[0041] Among them, the pressing seat 400 can be raised and lowered to be connected to the upper die seat 200, the pressing seat 400 is provided with a punching hole, the first punching punch 210 is located in the punching hole, the pressing seat 400 is lower than the first punching punch 210 and can be raised and lowered above the first punching punch 210 as it rises and falls.
[0042] In this embodiment, the automobile roof trim punching jig first contacts and presses the workpiece through the pressure seat 400 to prevent it from slipping when the mold is closed, and then the first punching punch 210 and the first punching die 110 shear to punch the workpiece. At the same time, the straight-line distance from the first punching punch 210 to the first punching die 110 gradually increases from the middle to both sides, so it contacts the middle first and then the two sides to prevent the workpiece from deformation.
[0043] like Figure 1-Figure 6 As shown, based on the above embodiment, it further includes an elastic member 500, and the elastic member 500 is located between the upper die base 200 and the pressing seat 400, and the pressing seat 400 is connected to the upper die base 200 through the elastic member 500.
[0044] In this embodiment, the press seat 400 is connected to the upper die seat 200 through an elastic member 500, and the elastic member 500 can push the press seat 400 away from the upper die seat 200, thereby ensuring that the press seat 400 is lower than the first punching punch 210 under the window sill, and ensuring that the press seat 400 flexibly presses the workpiece to prevent its deformation when the press seat 400 contacts the workpiece.
[0045] like Figure 1-Figure 6 As shown, on the basis of the above embodiment, the upper die seat 200 is further provided with a guide rod 220 , and the press seat 400 is further provided with a first guide hole 410 , and the guide rod 220 is slidably connected to the first guide hole 410 .
[0046] In this embodiment, the guide rod 220 is slidably connected to the first guide hole 410 , so as to guide the pressing seat 400 to rise and fall relative to the upper die seat 200 , thereby ensuring the movement accuracy of the pressing seat 400 when it is raised and lowered.
[0047] like Figure 1-Figure 6 As shown, on the basis of the above embodiment, it also includes a second punching die 600 and a second punching punch 700, the second punching die 600 is connected to the lower die base 100, the second punching punch 700 can be raised and lowered and connected to the lower die base 100, the lower die base 100 is also provided with a first linkage part 120, the upper die base 200 is also provided with a second linkage part 230, the second linkage part 230 can contact with the first linkage part 120, when the upper die base 200 is close to the lower die base 100, it can drive the second linkage part 230 to approach the first linkage part 120, and when the second linkage part 230 contacts with the first linkage part 120, it drives the second punching punch 700 to approach the second punching die 600.
[0048] In this embodiment, when the upper mold base 200 is close to the lower mold base 100, it can drive the second linkage part 230 to be close to the first linkage part 120, and when the second linkage part 230 contacts the first linkage part 120, it drives the second punching punch 700 to be close to the second punching die 600. Therefore, in the process of punching the square hole, the punching of the notches on both sides is achieved at the same time, without the need for multiple sets of molds and multiple positioning, which greatly saves time and improves product precision.
[0049] like Figure 1-Figure 6As shown, on the basis of the above embodiment, it also includes a movable seat 800, the lower die seat 100 includes a first position and a second position, the movable seat 800 can be moved to the first position or the second position, when the movable seat 800 is located at the first position, the second linkage part 230 is aligned with the first linkage part 120, when the movable seat 800 is located at the second position, the second linkage part 230 is staggered with the first linkage part 120, and the second punching die 600 and the second punching punch 700 are both arranged on the movable seat 800.
[0050] In this embodiment, when the movable seat 800 is located in the first position, the second linkage part 230 is aligned with the first linkage part 120, and when the movable seat 800 is located in the second position, the second linkage part 230 is staggered with the first linkage part 120, so that the punching of the second punching die 600 and the second punching punch 700 can be selected. When punching a notch is required, the movable seat 800 can be moved to the first position, and when punching a notch is not required, the movable seat 800 can be moved to the second position.
[0051] like Figure 1-Figure 6 As shown, based on the above embodiment, it also includes a movable driving element 900, the movable driving element 900 is connected to the lower mold base 100, the movable base 800 is connected to the output shaft of the movable driving element 900, and the movable driving element 900 can drive the movable base 800 to move.
[0052] In this embodiment, the moving driving element 900 can drive the moving seat 800 to move, thereby realizing automatic control of the moving seat 800 between the first position and the second position.
[0053] like Figure 1-Figure 6 As shown, based on the above embodiment, the lower die base 100 is provided with a first blanking groove 130 and a second blanking groove 140 , wherein the first blanking groove 130 is located below the first punching punch 210 , and the second blanking groove 140 is located below the second punching punch 700 .
[0054] In this embodiment, the first blanking chute 130 can allow waste materials from the square holes of the workpiece to be discharged from the mold, and the second blanking chute 140 can allow waste materials from the notches of the workpiece to be discharged from the mold, thereby preventing the waste materials from being blocked in the mold and affecting the next punching.
[0055] like Figure 1-Figure 6 As shown, on the basis of the above embodiment, the first punching punch 210 is provided with an elastic pin 211, the cutting knife of the first punching punch 210 is a square-shaped structure, and the elastic pin 211 is arranged at the center of the cutting knife of the first punching punch 210.
[0056] In this embodiment, the elastic pin 211 is arranged at the center of the U-shaped cutter of the first punching punch 210, so that the waste material is pushed into the first blanking chute 130, preventing the waste material from being blocked in the mold and affecting the next punching.
[0057] like Figure 1-Figure 6 As shown, on the basis of the above embodiment, the lower die base 100 is further provided with a second guide hole 150 , and the guide rod 220 passes through the first guide hole 410 and is slidably connected to the second guide hole 150 .
[0058] In this embodiment, the guide rod 220 passes through the first guide hole 410 and is slidably connected to the second guide hole 150, so that the first guide hole 410, the second guide hole 150 and the guide rod 220 are concentric, thereby guiding the mutual lifting relationship between the pressing seat 400, the upper mold seat 200 and the lower mold seat 100, thereby ensuring the movement accuracy during lifting.
[0059] like Figure 1-Figure 6 As shown, on the basis of the above embodiment, the lower die base 100 is further provided with a guide groove 160 , and the upper die base 200 is further provided with a guide block 240 , and the guide block 240 is slidably connected to the guide groove 160 .
[0060] In this embodiment, the guide block 240 is slidably connected to the guide groove 160 , so as to guide the upper mold base 200 to rise and fall relative to the lower mold base 100 , thereby ensuring the movement accuracy of the upper mold base 200 when rising and falling.
Claims
1. A punching jig for automobile roof trim, characterized in that: include: A lower die base, which is provided with a first punching die; An upper die seat, which can be raised and lowered and moved closer to or away from the lower die seat, is provided with a first punching punch, the first punching punch is a curved surface, and the distance from the first punching punch to the first punching die gradually increases from the middle to both sides; A punching drive element connected to the lower die base, the upper die base connected to the output shaft of the first punching drive element, the first punching drive element can drive the upper die base to move up and down so that the first punching punch approaches or moves away from the first punching die; The press seat is connected to the upper die seat in a liftable manner. The press seat is provided with a punching hole. The first punching punch is located in the punching hole. The press seat is lower than the first punching punch and can be raised and lowered above the first punching punch.
2. The punching jig for automobile roof trim strips according to claim 1, characterized in that: It also includes an elastic member, which is located between the upper die seat and the material pressing seat, and the material pressing seat is connected to the upper die seat through the elastic member.
3. The punching jig for automobile roof trim strips according to claim 2, characterized in that: The upper die seat is also provided with a guide rod, and the material pressing seat is also provided with a first guide hole, and the guide rod is slidably connected to the first guide hole.
4. The punching jig for automobile roof trim strips according to claim 1, characterized in that: It also includes a second punching die and a second punching punch, the second punching die is connected to the lower die base, the second punching punch can be raised and lowered and connected to the lower die base, the lower die base is also provided with a first linkage part, the upper die base is also provided with a second linkage part, the second linkage part can contact with the first linkage part, when the upper die base is close to the lower die base, it can drive the second linkage part close to the first linkage part, and when the second linkage part contacts with the first linkage part, it drives the second punching punch close to the second punching die.
5. The punching jig for automobile roof trim strips according to claim 4, characterized in that: It also includes a moving seat, the lower die seat includes a first position and a second position, the moving seat can be moved to the first position or the second position, when the moving seat is located at the first position, the second linkage part is aligned with the first linkage part, when the moving seat is located at the second position, the second linkage part is staggered with the first linkage part, and the second punching die and the second punching punch are both arranged on the moving seat.
6. The punching jig for automobile roof trim strips according to claim 5, characterized in that: It also includes a moving driving element, which is connected to the lower mold base, and the moving base is connected to the output shaft of the moving driving element. The moving driving element can drive the moving base to move.
7. The punching jig for automobile roof trim strips according to claim 4, characterized in that: The lower die seat is provided with a first blanking groove and a second blanking groove, the first blanking groove is located below the first punching punch, and the second blanking groove is located below the second punching punch.
8. The punching jig for automobile roof trim strips according to claim 7, characterized in that: The first punching punch is provided with an elastic pin, the cutting knife of the first punching punch is a square-shaped structure, and the elastic pin is arranged at the center of the cutting knife of the first punching punch.
9. The punching jig for automobile roof trim strips according to claim 3, characterized in that: The lower die base is also provided with a second guide hole, and the guide rod passes through the first guide hole and is slidably connected to the second guide hole.
10. The punching jig for automobile roof trim strips according to claim 1, characterized in that: The lower die base is also provided with a guide groove, and the upper die base is also provided with a guide block, and the guide block is slidably connected to the guide groove.