Stamping die with quick replacement structure

Abstract

The utility model relates to the technical field of stamping dies, in particular to a stamping die with a quick replacement structure, which comprises an upper die holder, a connecting groove is arranged at the bottom of the upper die holder and movably connected with an upper die plate, an upper connecting hole of the upper die holder is movably connected with an upper connecting shaft, and a lower connecting hole of the upper die holder is movably connected with a lower connecting shaft. The upper connecting shaft is installed at the top of the upper die plate, a first outer connecting hole and a second outer connecting groove are formed in the two ends of the inner wall of the connecting groove respectively, a first inner connecting hole is formed in the end face of the upper die plate, and the first outer connecting hole, the second outer connecting groove and the first inner connecting hole are connected through a first connecting rod. A lower die base is arranged below the upper die base, a plurality of lower connecting holes are formed in the top of the lower die base, lower connecting shafts are movably arranged in the lower connecting holes, during replacement, the upper die plate can be detached from the upper die base by taking down the first connecting rods, and during replacement, the lower die plate can be directly taken down from the lower die base, so that the replacement efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies, in particular to a stamping die with a quick replacement structure. Background Art

[0002] A stamping die is a special process equipment used to process materials into parts during cold stamping. It is called a cold stamping die. Stamping is a pressure processing method that uses a die installed on a press to apply pressure to the material at room temperature to cause separation or plastic deformation, thereby obtaining the desired parts.

[0003] During use, the injection molding stamping mold needs to replace the template according to different molding requirements. However, the stamping mold does not have a quick replacement structure, so the template needs to be fixed with bolts during installation. The installation steps are more complicated and the installation speed is slow, which affects the replacement efficiency.

[0004] Therefore, it is necessary to provide a stamping die with a quick replacement structure to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a stamping die with a quick replacement structure.

[0006] The utility model provides a stamping die with a quick-change structure, comprising: an upper die seat connected to a lifting mechanism, a connecting groove being provided at the bottom of the upper die seat, the connecting groove being movably connected to the outside of an upper template, a plurality of upper connecting holes of the upper die seat, the upper connecting holes being movably connected to an upper connecting shaft, the upper connecting shaft being installed on the top of the upper template, a first outer connecting hole and a second outer connecting groove being provided at both ends of an inner wall of the connecting groove, a first inner connecting hole being provided on the end surface of the upper template, the first outer connecting hole, the second outer connecting groove and the first inner connecting hole being connected via a first connecting rod, a lower die seat being provided below the upper die seat, a plurality of lower connecting holes being provided at the top of the lower die seat, the lower connecting holes being movably connected to a lower connecting shaft, and the lower connecting shaft being installed on the bottom of the lower template.

[0007] Preferably, the upper connecting hole is a truncated cone structure, the size of the top of the upper connecting hole is smaller than the size of the bottom of the connecting hole, and the outer diameter of the upper connecting shaft is consistent with the size of the middle of the upper connecting hole.

[0008] Preferably, a die unloading hole is provided at the top portion of the connecting groove, and a die unloading electric hydraulic device is installed inside the die unloading hole.

[0009] Preferably, a lower limit groove is installed on the top of the lower mold base, the lower limit groove is movably connected to a lower limit plate, the lower limit plate is installed on the bottom of the lower mold plate, and the lower connecting shaft is located on the inner side of the lower limit plate.

[0010] Preferably, lower movable rings are installed on both end surfaces of the lower template, and the shape of the lower movable ring is U-shaped.

[0011] Preferably, the first connecting rod comprises a connecting end and a stretching end, the connecting end is movably connected to the first external connecting hole, and the outer diameter of the stretching end is larger than the inner diameter of the first external connecting hole.

[0012] Preferably, a first connection block is provided at one end of the connection end, the first connection block is made of metal iron, and a magnet is installed on the inner wall of the second outer connection groove.

[0013] Compared with the related art, the punching die with a quick replacement structure provided by the utility model has the following beneficial effects:

[0014] 1. When replacing the utility model, the upper mold plate can be disassembled from the upper mold base by removing the first connecting rod. Similarly, the lower mold base is connected to the lower mold plate through the lower connecting hole and the lower connecting shaft. The lower mold plate is stably connected to the lower mold base through the action of gravity. When replacing, the lower mold plate can be directly removed from the lower mold base, thereby improving the efficiency of replacement;

[0015] 2. The utility model provides an upper connecting hole with a small upper part and a large lower part, so that when the upper connecting shaft is connected to the upper connecting hole, the upper connecting shaft and the upper connecting hole are connected more tightly, making the connection more stable;

[0016] 3. The utility model provides a stretching end, which facilitates the removal of the first stretching rod from the first external connection hole when in use, and provides a first connecting block and a magnet, thereby ensuring the stability of the connection of the first connecting rod through the suction force of the magnet. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic structural diagram of a preferred embodiment of a stamping die with a quick-change structure provided by the utility model;

[0018] Figure 2 for Figure 1 The structural schematic diagram of the lower die base shown;

[0019] Figure 3 for Figure 1 The structural schematic diagram of the lower template shown;

[0020] Figure 4 for Figure 1 The structural schematic diagram of the upper die base shown;

[0021] Figure 5 for Figure 1 The structural schematic diagram of the upper template shown;

[0022] Numbers in the figure: 1. lower die base; 2. lower template; 3. lower moving ring; 4. upper die base; 5. stretching end; 6. connecting end; 7. first connecting rod; 8. lower limit groove; 9. lower connecting hole; 10. lower limit plate; 11. lower connecting shaft; 12. connecting groove; 13. upper connecting hole; 14. first outer connecting hole; 15. second outer connecting groove; 16. magnet; 17. demolding hole; 18. demolding electric hydraulic device; 19. upper template; 20. upper connecting shaft; 21. first inner connecting hole. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0025] refer to Figures 1 to 5 The utility model provides a stamping die with a quick-change structure, comprising: an upper die base 4 connected to a lifting mechanism, a connecting groove 12 being provided at the bottom of the upper die base 4, the connecting groove 12 being movably connected to the outside of an upper template 19, a plurality of upper connecting holes 13 of the upper die base 4, the upper connecting holes 13 being movably connected to an upper connecting shaft 20, the upper connecting shaft 20 being installed on the top of the upper template 19, a first outer connecting hole 14 and a second outer connecting groove 15 being provided at both ends of the inner wall of the connecting groove 12, a first inner connecting hole 21 being provided on the end surface of the upper template 19, the first outer connecting hole 14, the second outer connecting groove 15 and the first inner connecting hole 21 being connected through a first connecting rod 7, a lower die base 1 being provided below the upper die base 4, a plurality of lower connecting holes 9 being provided on the top of the lower die base 1, the lower connecting holes 9 being movably connected to a lower connecting shaft 11, and the lower connecting shaft 11 being installed on the bottom of the lower template 2.

[0026] It should be noted that: by setting the connecting groove 12, during installation, the upper template 19 can be connected to the upper connecting hole 13 in the connecting groove 12 through the upper connecting shaft 20, so that the upper template 19 is connected to the upper mold base 4, and the first outer connecting hole 14, the second outer connecting groove 15 and the first inner connecting hole 21 are connected to each other through the first connecting rod 7, so that the connection between the upper template 19 and the upper mold base 4 is more stable, and when replacing, the upper template 19 can be removed from the upper mold base 4 by removing the first connecting rod 7. Similarly, the lower mold base 1 is connected to the lower template 2 through the lower connecting hole 9 and the lower connecting shaft 11. Through the action of gravity, the lower template 2 is stably connected to the lower mold base 1, and when replacing, the lower template 2 can be directly removed from the lower mold base 1, thereby improving the efficiency of replacement.

[0027] In the embodiments of the present invention, reference is made to Figure 4 As shown, the upper connecting hole 13 is a truncated cone structure, the size of the top of the upper connecting hole 13 is smaller than the size of the bottom of the connecting hole, and the outer diameter of the upper connecting shaft 20 is consistent with the size of the middle of the upper connecting hole 13.

[0028] It should be noted that by providing the upper connecting hole 13 with a small upper part and a large lower part, when the upper connecting shaft 20 is connected to the upper connecting hole 13, the upper connecting shaft 20 and the upper connecting hole 13 can be connected more tightly, making the connection more stable.

[0029] In the embodiments of the present invention, reference is made to Figure 4 As shown, a mold unloading hole 17 is provided at the top of the connecting groove 12 , and a mold unloading electric hydraulic device 18 is installed inside the mold unloading hole 17 .

[0030] It should be noted that: by installing a mold release electro-hydraulic device 18 inside the connecting groove 12, when the upper mold plate 19 is disassembled, the upper mold plate 19 can be pushed downward by the mold release electro-hydraulic device 18, so as to facilitate the separation of the upper mold plate 19 from the upper mold base 4.

[0031] In the embodiments of the present invention, reference is made to Figure 2 , Figure 3 As shown, a lower limit groove 8 is installed on the top of the lower mold base 1, and the lower limit groove 8 is movably connected to a lower limit plate 10. The lower limit plate 10 is installed on the bottom of the lower mold plate 2, and the lower connecting shaft 11 is located on the inner side of the lower limit plate 10.

[0032] It should be noted that: through the lower limit groove 8 and the lower limit plate 10, the lower limit groove 8 limits the lower limit plate 10, so that when the lower template 2 is impacted, the stability of the lower template 2 is guaranteed, and the stamping accuracy is improved.

[0033] In the embodiments of the present invention, reference is made to Figure 1 As shown, lower moving rings 3 are installed on both end surfaces of the lower template 2, and the shape of the lower moving ring 3 is U-shaped.

[0034] It should be noted that: by providing the U-shaped lower movable ring 3, it is convenient to apply force to the lower mold plate 2 when removing the lower mold plate 2, so as to remove it from the upper mold base 4 and the lower mold base 1 respectively.

[0035] In the embodiments of the present invention, reference is made to Figure 1 As shown, the first connecting rod 7 includes a connecting end 6 and a stretching end 5 , the connecting end 6 is movably connected to the first external connecting hole 14 , and the outer diameter of the stretching end 5 is greater than the inner diameter of the first external connecting hole 14 .

[0036] In the embodiments of the present invention, reference is made to Figure 4 As shown, a first connection block is provided at one end of the connection end 6 , the material of the first connection block is metal iron, and a magnet 16 is installed on the inner wall of the second outer connection groove 15 .

[0037] It should be noted that by providing the stretching end 5, it is convenient to remove the first stretching rod from the first external connection hole 14 when in use, and by providing the first connecting block and the magnet 16, the suction force of the magnet 16 ensures the stability of the connection of the first connecting rod 7.

[0038] The working principle of a stamping die with a quick replacement structure provided by the utility model is as follows:

[0039] During installation, the upper template 19 is connected to the upper connecting hole 13 in the connecting groove 12 through the upper connecting shaft 20, so that the upper template 19 is connected to the upper mold base 4, and the first outer connecting hole 14, the second outer connecting groove 15 and the first inner connecting hole 21 are connected to each other through the first connecting rod 7, so that the upper template 19 is more stably connected to the upper mold base 4, and when replacing, the upper template 19 can be removed from the upper mold base 4 by removing the first connecting rod 7. Similarly, the lower mold base 1 is connected to the lower template 2 through the lower connecting hole 9 and the lower connecting shaft 11. Through the action of gravity, the lower template 2 is stably connected to the lower mold base 1, and when replacing, the lower template 2 can be directly removed from the lower mold base 1, thereby improving the efficiency of replacement.

[0040] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0041] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A stamping die with a quick-change structure, characterized in that: include: An upper die base (4) connected to the lifting mechanism, the bottom of the upper die base (4) is provided with a connecting groove (12), the connecting groove (12) is movably connected to the outside of the upper die plate (19), the upper die base (4) has a plurality of upper connecting holes (13), the upper connecting holes (13) are movably connected to an upper connecting shaft (20), the upper connecting shaft (20) is installed on the top of the upper die plate (19), and the inner wall of the connecting groove (12) is provided with a first external connecting hole (14) and a second external connecting groove ( 15), a first inner connecting hole (21) is provided on the end surface of the upper template (19), the first outer connecting hole (14), the second outer connecting groove (15) and the first inner connecting hole (21) are connected via a first connecting rod (7), a lower mold base (1) is provided below the upper mold base (4), a plurality of lower connecting holes (9) are provided on the top of the lower mold base (1), the lower connecting holes (9) are movable lower connecting shafts (11), and the lower connecting shafts (11) are installed at the bottom of the lower template (2).

2. The stamping die with a quick-change structure according to claim 1, characterized in that: The upper connecting hole (13) is a truncated cone structure, the size of the top of the upper connecting hole (13) is smaller than the size of the bottom of the connecting hole, and the outer diameter of the upper connecting shaft (20) is consistent with the size of the middle of the upper connecting hole (13).

3. The stamping die with a quick-change structure according to claim 1, characterized in that: A die-removal hole (17) is provided at the top of the connection groove (12), and a die-removal electric hydraulic device (18) is installed inside the die-removal hole (17).

4. The stamping die with a quick-change structure according to claim 1, characterized in that: A lower limit groove (8) is installed on the top of the lower mold base (1), and the lower limit groove (8) is movably connected to a lower limit plate (10). The lower limit plate (10) is installed on the bottom of the lower mold plate (2), and the lower connecting shaft (11) is located on the inner side of the lower limit plate (10).

5. The stamping die with a quick-change structure according to claim 1, characterized in that: Lower movable rings (3) are installed on both end surfaces of the lower template (2), and the shape of the lower movable ring (3) is U-shaped.

6. The stamping die with a quick-change structure according to claim 1, characterized in that: The first connecting rod (7) comprises a connecting end (6) and a stretching end (5), the connecting end (6) is movably connected to the first external connecting hole (14), and the outer diameter of the stretching end (5) is greater than the inner diameter of the first external connecting hole (14).

7. The stamping die with a quick-change structure according to claim 6, characterized in that: A first connection block is provided at one end of the connection end (6), the material of the first connection block is metal iron, and a magnet (16) is installed on the inner wall of the second external connection groove (15).

Images