Special-shaped headlamp cover two-end punch bevel angle die

Abstract

The utility model belongs to the technical field of lampshade punch -die, especially is a kind of big lampshade two end punch bevel die of special shape, including bottom plate, punch lower mould and riser are respectively installed to the bottom plate, the riser is located in one side of punch lower mould, the top fixed mounting of riser has top plate, the bottom plate is installed on the workbench of punch press, the top of top plate also has punch rod of sliding insertion, the top of punch rod is installed with clamping plate. This big lampshade two end punch bevel die of special shape, the accurate centering in the stamping process is ensured by the punch rod of sliding insertion and guide pillar guide system, effectively prevent offset and wobble, lay the foundation for punching out high-precision bevel. Secondly, the multiple positioning strategy of limiting mechanism, inclined sliding limiting slot and L-shaped limiting plate realizes the all-around, high-precision constraint of special-shaped lampshade, guarantees the consistency of each stamping position, greatly improves product qualification rate.

Description

Technical Field

[0001] This utility model relates to the field of lampshade stamping die technology, and in particular to a die for punching angled corners at both ends of an irregularly shaped lampshade. Background Technology

[0002] In the lighting manufacturing industry, headlight covers, as important aesthetic and functional components, are becoming increasingly complex in shape, and the requirements for precision and consistency are also becoming higher. In particular, the edge treatment at both ends of the headlight cover, such as when specific angled bevels need to be stamped out to meet assembly, aesthetic, or structural requirements, presents many challenges to traditional processing methods.

[0003] Current processing methods may include manual grinding, cutting with the assistance of general-purpose fixtures, or simple stamping. However, for irregularly shaped headlight covers, their irregular shape makes precise positioning difficult. Manual methods are inefficient, difficult to guarantee accuracy, and inconsistent; general-purpose fixtures often cannot effectively fix complex shapes, which can easily cause the workpiece to move or deform during processing, resulting in deviations in the angled position, inaccurate angles, or edge damage; while simple stamping dies lacking precision guidance and positioning are prone to uneven loading during high-speed stamping, leading to accelerated die wear, shortened lifespan, and even the stamping of defective products. Therefore, a die for punching angled ends on irregularly shaped headlight covers is needed. Utility Model Content

[0004] Based on existing technical problems, this utility model proposes a die for punching angled corners at both ends of an irregularly shaped headlight cover.

[0005] This utility model proposes a die for punching angled ends on both ends of an irregularly shaped headlight cover, comprising a base plate, on which a lower stamping die and a vertical plate are respectively mounted. The vertical plate is located on one side of the lower stamping die, and a top plate is fixedly mounted on the top of the vertical plate. The base plate is mounted on the worktable of a stamping machine, and a stamping rod is slidably inserted into the top of the top plate. A clamping plate is mounted on the top of the stamping rod, and the clamping plate is fixedly mounted to the stamping power end of the stamping machine. A stamping template is fixedly mounted on the bottom of the stamping rod, and a cutter is fixedly mounted on the bottom of the stamping template.

[0006] The surface of the stamping die is respectively provided with a limiting mechanism and a sliding guide mechanism, and the limiting mechanism realizes the stamping limiting action of the irregular lampshade.

[0007] The sliding guide mechanism enables the sliding guide action of the irregularly shaped lampshade.

[0008] Preferably, the limiting mechanism includes a limiting straight plate, one end of which is threadedly installed to the top of the base plate with screws, and an L-shaped limiting plate is fixedly installed at the bottom of the other end of the limiting straight plate.

[0009] Preferably, the die cavity of the stamping die is provided with a sliding limiting groove, the inner wall of the sliding limiting groove is slidably inserted into the two end surfaces of the irregular lampshade, the sliding limiting groove is inclined inside the stamping die, and the top end of the sliding limiting groove is engaged with a limiting block.

[0010] Preferably, guide post holes are provided at the top of both ends of the stamping die, and guide posts are slidably inserted into the inner wall of the guide post holes. The tops of the two guide posts are fixedly installed to the bottom of the stamping template.

[0011] Preferably, the sliding guide mechanism includes a connecting seat, and a sliding guide rod is fixedly installed on one side surface of the connecting seat. The inclination angle of the sliding guide rod is equal to the inclination angle of the sliding limiting groove.

[0012] Preferably, a support block is fixedly installed on the arc surface of the sliding guide rod. The top of the support block is arc-shaped, and the top arc surface of the support block is slidably inserted into the inner arc surface of the irregular lampshade. The arc size of the support block is adapted to the arc size of the inner wall of the irregular lampshade.

[0013] The beneficial effects of this utility model are as follows:

[0014] This die for punching beveled ends on irregularly shaped headlight covers firstly utilizes a sliding, interlocking stamping rod and guide post system to ensure precise alignment during the stamping process, effectively preventing offset and wobbling, thus laying the foundation for punching high-precision bevels. Secondly, a multi-positioning strategy involving a limiting mechanism, an inclined sliding limiting groove, and an L-shaped limiting plate achieves comprehensive, high-precision constraint on the irregularly shaped headlight cover, ensuring consistency in the stamping position and significantly improving the product yield. Furthermore, the sliding guide mechanism, particularly its angle matching with the sliding limiting groove and the design with a precise arc-shaped support block, not only guides the headlight cover smoothly and accurately into its final position but also protects the surface of the headlight cover, preventing damage. These precisely coordinated mechanisms work together to enable the die to efficiently, stably, and precisely complete the stamping of beveled ends on irregularly shaped headlight covers, significantly improving product quality and production efficiency, reducing scrap rates and die wear risks, making it particularly suitable for mass production of irregularly shaped stamped parts with high precision requirements. Attached Figure Description

[0015] Figure 1 A schematic diagram of a die for punching angled corners at both ends of an irregularly shaped headlight cover;

[0016] Figure 2 A three-dimensional view of a sliding guide mechanism for a die with angled punches at both ends of an irregularly shaped headlight cover;

[0017] Figure 3 This is a three-dimensional diagram of the stamping die structure of a die for punching angled corners at both ends of an irregularly shaped headlight cover.

[0018] In the diagram: 1. Base plate; 2. Lower stamping die; 3. Vertical plate; 4. Top plate; 5. Stamping rod; 6. Clamping plate; 7. Stamping template; 8. Cutting knife; 9. Limiting mechanism; 91. Limiting straight plate; 92. L-shaped limiting plate; 93. Sliding limiting groove; 94. Limiting block; 95. Guide post hole; 96. Guide post; 10. Sliding guide mechanism; 101. Connecting seat; 102. Sliding guide rod; 103. Support block. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] Reference Figures 1-3 A die for punching angled ends of an irregularly shaped headlight cover includes a base plate 1, on which a lower stamping die 2 and a vertical plate 3 are respectively installed. The vertical plate 3 is located on one side of the lower stamping die 2. A top plate 4 is fixedly installed on the top of the vertical plate 3. The base plate 1 is installed on the worktable of a stamping machine. A stamping rod 5 is slidably inserted into the top of the top plate 4. A clamping plate 6 is installed on the top of the stamping rod 5. The clamping plate 6 is fixedly installed with the stamping power end of the stamping machine. A stamping template 7 is fixedly installed at the bottom of the stamping rod 5. A cutter 8 is fixedly installed at the bottom of the stamping template 7.

[0021] Specifically, the sliding insertion punch rod 5 design provides good vertical guidance, reduces offset and wobbling during the punching process, and ensures precise alignment of the cutter 8 and the lower die cavity, thereby guaranteeing the accuracy of the punched angle shape, size and position.

[0022] The surface of the stamping die 2 is provided with a limiting mechanism 9 and a sliding guide mechanism 10 respectively. The limiting mechanism 9 realizes the action of limiting the stamping of the irregular lampshade. The limiting mechanism 9 includes a limiting straight plate 91. One end of the limiting straight plate 91 is installed with the top of the base plate 1 by screw thread, and an L-shaped limiting plate 92 is fixedly installed at the bottom of the other end of the limiting straight plate 91.

[0023] Specifically, this is achieved by precisely limiting the placement of the irregularly shaped lampshade before stamping, ensuring that the relative position between the stamping die 2 and the workpiece is always completely consistent. This is crucial for irregularly shaped workpieces that require stamping at specific locations, such as those with beveled ends, avoiding problems such as incorrect stamping position and non-compliant dimensions due to positional deviations. When placing the irregularly shaped lampshade in the stamping die 2 area on the base plate 1, the operator needs to push the lampshade to a specific position. One side of the L-shaped limiting plate 92, such as the vertical side, acts as a stop, preventing the lampshade from moving beyond the set position in that direction. The edge of the lampshade may rest against the vertical side of the L-shaped limiting plate 92, thus determining its coordinate position on the base plate 1.

[0024] The die cavity of the stamping die 2 is provided with a sliding limiting groove 93. The inner wall of the sliding limiting groove 93 is slidably inserted into the two end surfaces of the irregular lampshade. The sliding limiting groove 93 is inclined inside the stamping die 2. The top of the sliding limiting groove 93 is engaged with a limiting block 94.

[0025] Specifically, the inclined sliding limit groove 93 and the limit block 94 work together to ensure the accurate position of the punched angle and the stability of the dimensions, which greatly improves the product qualification rate. The sliding limit groove 93 provides a certain degree of guidance and constraint, making it less likely for the lampshade to accidentally shift or rotate when subjected to huge punching force, which improves the safety of the punching process and reduces the risk of mold damage caused by workpiece displacement.

[0026] The top of both ends of the stamping die 2 is provided with guide post holes 95, and guide posts 96 are slidably inserted into the inner wall of the guide post holes 95. The tops of the two guide posts 96 are fixedly installed to the bottom of the stamping template 7.

[0027] Specifically, the guide post 96 and guide post hole 95 are usually precision machined with very small clearance. This ensures that during the stamping process, the upper die can move precisely along the vertical axis of the lower die, preventing the upper die from tilting or shifting during descent.

[0028] The sliding guide mechanism 10 realizes the sliding guide action of the irregular lampshade; the sliding guide mechanism 10 includes a connecting seat 101, and a sliding guide rod 102 is fixedly installed on one side surface of the connecting seat 101. The tilt angle of the sliding guide rod 102 is equal to the tilt angle of the sliding limiting groove 93.

[0029] Specifically, the angle matching design makes the guide and sliding limit groove 93 complement each other, jointly ensuring that the lampshade is finally in the correct stamping position.

[0030] A support block 103 is fixedly installed on the arc surface of the sliding guide rod 102. The top of the support block 103 is arc-shaped, and the arc surface of the top of the support block 103 is slidably inserted into the arc surface of the inner wall of the irregular lampshade. The arc size of the support block 103 is adapted to the arc size of the inner wall of the irregular lampshade.

[0031] Specifically, compared to simple planar or edge contact, the contact of the arc surface is more in line with the principle of geometric constraints, and can more accurately determine the spatial position of the lampshade; the precisely matched arc contact surface can provide more uniform support force, making the movement of the lampshade more stable and smooth during the sliding guide process, reducing impact and vibration.

[0032] The die for punching beveled ends of this irregularly shaped headlight cover utilizes a sliding, interlocking stamping rod 5 and guide post 96 guiding system to ensure precise alignment during the stamping process, effectively preventing offset and wobbling, thus laying the foundation for punching high-precision bevels. Secondly, the multiple positioning strategies of the limiting mechanism 9, the inclined sliding limiting groove 93, and the L-shaped limiting plate 92 achieve comprehensive, high-precision constraint on the irregularly shaped headlight cover, ensuring consistency in the stamping position and significantly improving the product qualification rate. Furthermore, the sliding guide mechanism 10, especially its angle matching with the sliding limiting groove 93 and the design with a precise arc support block 103, not only guides the headlight cover smoothly and accurately into its final position but also protects the surface of the headlight cover, preventing damage. These precisely coordinated mechanisms work together to enable the die to efficiently, stably, and precisely complete the stamping task of beveled ends of irregularly shaped headlight covers, significantly improving product quality and production efficiency, reducing scrap rate and die wear risk, and making it particularly suitable for mass production of irregularly shaped stamped parts with high precision requirements.

[0033] Working principle: First, the operator places the irregularly shaped lampshade in the stamping die 2 area on the base plate 1. The lampshade is initially limited by the L-shaped limiting plate 92 and the sliding limiting groove 93 on the limiting straight plate 91.

[0034] The support block 103 on the sliding guide rod 102 contacts a specific arc surface on the inner wall of the lampshade and slides along the preset inclined sliding limit groove 93. Since the inclination angle of the sliding guide rod 102 is consistent with the limit groove, the support block 103 will accurately guide the lampshade to move and position to the position where the final stamping angle is required. At this time, as the stamping machine starts, the clamping plate 6 drives the stamping rod 5, the stamping template 7 and the bottom cutter 8 to move downward.

[0035] Simultaneously, the precise guidance of the guide post 96 within the guide post hole 95 ensures the vertical descent of the stamping rod 5, allowing the cutter 8 to move downwards for cutting. As the cutter 8 descends to cut the lampshade, it immediately completes the punching of the beveled ends of the lampshade. After stamping is complete, the stamping system returns, the workpiece is removed, and the mold is ready for the next work cycle. The entire process ensures the accuracy of the stamping position and shape through multi-stage precise guidance and limiting.

[0036] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A die for punching angled ends on both sides of an irregularly shaped headlight cover, comprising a base plate (1), characterized in that: The base plate (1) is respectively equipped with a lower stamping die (2) and a vertical plate (3). The vertical plate (3) is located on one side of the lower stamping die (2). A top plate (4) is fixedly installed on the top of the vertical plate (3). The base plate (1) is installed on the worktable of the stamping machine. A stamping rod (5) is also slidably inserted into the top of the top plate (4). A clamping plate (6) is installed on the top of the stamping rod (5). The clamping plate (6) is fixedly installed with the stamping power end of the stamping machine. A stamping template (7) is fixedly installed at the bottom of the stamping rod (5). A cutter (8) is fixedly installed at the bottom of the stamping template (7). The surface of the stamping die (2) is provided with a limiting mechanism (9) and a sliding guide mechanism (10), respectively. The limiting mechanism (9) realizes the action of limiting the stamping of the irregular lampshade; The sliding guide mechanism (10) realizes the sliding guide action of the irregular lampshade.

2. The die for punching angled ends of an irregularly shaped headlight cover according to claim 1, characterized in that: The limiting mechanism (9) includes a limiting straight plate (91), one end of which is connected to the top of the base plate (1) by screw thread, and an L-shaped limiting plate (92) is fixedly installed at the bottom of the other end of the limiting straight plate (91).

3. The die for punching angled ends of an irregularly shaped headlight cover according to claim 1, characterized in that: The die cavity of the stamping die (2) is provided with a sliding limiting groove (93). The inner wall of the sliding limiting groove (93) is slidably inserted into the two end surfaces of the irregular lampshade. The sliding limiting groove (93) is inclined inside the stamping die (2). The top of the sliding limiting groove (93) is engaged with a limiting block (94).

4. The die for punching angled ends of an irregularly shaped headlight cover according to claim 1, characterized in that: The top of both ends of the stamping die (2) is provided with guide post holes (95), and guide posts (96) are slidably inserted into the inner wall of the guide post holes (95). The tops of the two guide posts (96) are fixedly installed to the bottom of the stamping template (7).

5. The die for punching angled ends of an irregularly shaped headlight cover according to claim 3, characterized in that: The sliding guide mechanism (10) includes a connecting seat (101), and a sliding guide rod (102) is fixedly installed on one side surface of the connecting seat (101). The tilt angle of the sliding guide rod (102) is equal to the tilt angle of the sliding limiting groove (93).

6. The die for punching angled ends of an irregularly shaped headlight cover according to claim 5, characterized in that: The sliding guide rod (102) has a support block (103) fixedly installed on its arc surface. The top of the support block (103) is arc-shaped, and the top arc surface of the support block (103) is slidably inserted into the inner arc surface of the irregular lampshade. The arc size of the support block (103) is adapted to the arc size of the inner wall of the irregular lampshade.

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