Cylindrical pin rolling machining die

Abstract

The utility model discloses a cylindrical pin rolling machining die which comprises a rolling die body, an installation shell is arranged below the rolling die body, a disassembly box is fixedly connected to the top of the interior of the installation shell, the lower end of the rolling die body is fixedly connected with a first connecting rod, and a T-shaped installation groove is formed in the inner wall of the disassembly box. The inner wall of the T-shaped mounting groove is fixedly connected with a second reset spring. The connecting plate is pressed downwards to slide on the penetrating groove, then the second connecting rod is driven to slide out of the disassembling box, limitation of the special-shaped clamping block is relieved, the second reset spring jacks the special-shaped clamping block towards the outer side, limitation of the first connecting rod is relieved through the special-shaped clamping block, and therefore the rolling die is taken down from the installing shell. And the first connecting rod of a new mold is inserted into the sliding groove, so that different molds can be replaced, rapid replacement of the different molds is achieved, operation is convenient, replacement is rapid, and the mold replacement efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rolled cylindrical pin production dies, in particular to a cylindrical pin rolling processing die. Background Art

[0002] Coiled cylindrical pins are used to buffer vibration and impact. Coiled elastic cylindrical pins are designed based on the concept of spiral springs. The elasticity of coiled elastic cylindrical pins allows them to be pressed into holes and remain elastic after being installed in the holes, thereby improving the stability of the equipment. However, processing molds are required for the production of coiled cylindrical pins.

[0003] In the prior art, for example, Chinese patent CN207463965U discloses a cylindrical pin stamping die. The stamping die includes a lower die and an upper die, and a plate cutter, a forming punch and a correction die are respectively arranged on the upper die surface, and the forming punch and the correction die are coaxially arranged on the upper die surface, and a plate insertion groove is arranged on the lower die surface corresponding to the plate cutter, and matching sliding grooves are arranged on the corresponding forming punch and the correction die. A chamfering block is arranged at the starting end of the plate insertion groove.

[0004] However, in the above patent, since the processing mold is basically fixed to the equipment by multiple bolts, and there are many different sizes and models of rolled cylindrical pins, it is time-consuming and labor-intensive to replace different molds, which is inconvenient to use. Utility Model Content

[0005] The utility model aims to provide a cylindrical pin rolling processing die to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a cylindrical pin rolling processing mold, comprising a rolling mold, a mounting shell is arranged below the rolling mold, a disassembly box is fixedly connected to the internal top of the mounting shell, the lower end of the rolling mold is fixedly connected to a connecting rod 1, the inner wall of the disassembly box is provided with a T-shaped mounting groove, the inner wall of the T-shaped mounting groove is fixedly connected with a return spring 2, one end of the return spring 2 is fixedly connected with a special-shaped clamping block, one end of the special-shaped clamping block is slidably clamped with a connecting rod 2, the connecting rod 2 is located inside the T-shaped mounting groove, the inner wall of the special-shaped clamping block is slidably connected with a side of the connecting rod 1, the other side of the disassembly box is penetrated with a sliding groove, one side of the sliding groove is penetrated and connected with one side of the T-shaped mounting groove, the connecting rod 1 is located inside the sliding groove, one end of the connecting rod 2 is fixedly connected with a sliding plate, and both sides of the sliding plate are fixedly connected to the connecting plate.

[0007] As a further preferred embodiment of the present technical solution, through grooves are provided on both sides of the mounting shell, the inner walls of the two through grooves are respectively slidably connected to the outer walls of the two connecting plates, a return spring 1 is fixedly connected to the middle part of the lower end of the sliding plate, and one end of the return spring 1 is fixedly connected to the inner bottom of the mounting shell.

[0008] As a further preferred embodiment of the present technical solution, one side of the two connecting plates is rotatably connected to a U-shaped fixing frame, and the other two sides of the rolling mold are fixedly connected to a clamping block, and one side of the two clamping blocks is respectively clamped to one side of the two U-shaped fixing frames.

[0009] As a further preferred embodiment of the present technical solution, a plurality of sliding rods are fixedly connected inside the mounting shell, and outer side walls of the plurality of sliding rods are slidably connected to the inner wall of the sliding plate.

[0010] As a further preferred embodiment of the present technical solution, an upper mold is arranged above the rolling mold, and guide columns are fixedly connected at the four corners of the lower end of the upper mold. Guide grooves are opened at the four corners of the upper end of the rolling mold, and the inner walls of the guide grooves are slidably connected to the inner walls of the guide columns.

[0011] As a further preferred embodiment of the present technical solution, a material unloading rack is provided at the output end of the rolling mold, and one end of the material unloading rack is fixedly connected to one side of the mounting shell.

[0012] As a further preferred embodiment of the present technical solution, a disassembly plate is provided on one side of the disassembly box, and fixing bolts are threadedly connected to the four corners of the disassembly plate, and one end of the four fixing bolts are respectively threadedly connected to the four corners of the disassembly box.

[0013] The utility model provides a cylindrical pin rolling processing die, which has the following beneficial effects:

[0014] (1) The utility model presses the connecting plate downward to make the connecting plate slide on the through groove, thereby driving the second connecting rod to slide out of the disassembly box, releasing the restriction of the special-shaped clamping block, and the second reset spring pushes the special-shaped clamping block outward, so that the special-shaped clamping block releases the restriction of the first connecting rod, thereby removing the rolling mold from the mounting shell, and inserting the first connecting rod of the new mold into the sliding groove, so as to complete the replacement of different molds, realize the rapid replacement of different molds, and the operation is convenient and the replacement is fast, which greatly improves the efficiency of mold replacement.

[0015] (2) The utility model fixes the connecting plate in place by rotating the U-shaped fixing frame to clamp one side of the inner wall on the clamping block, thereby preventing the connecting plate from moving downward during use and affecting the stability of the disassembly box on the rolling mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 for Figure 1 A partial enlarged schematic diagram of the middle A area;

[0018] Figure 3 It is a schematic diagram of the internal structure of the installation shell in the utility model;

[0019] Figure 4 It is a schematic diagram of the explosion structure of the disassembly box in the utility model;

[0020] In the figure: 1. rolling mold; 2. upper mold; 3. unloading rack; 4. guide column; 5. guide groove; 6. mounting shell; 7. connecting plate; 8. U-shaped fixing frame; 9. clamping block; 10. through groove; 11. reset spring 1; 12. sliding plate; 13. sliding rod; 14. disassembly box; 15. connecting rod 1; 16. connecting rod 2; 17. T-shaped mounting groove; 18. sliding groove; 19. disassembly plate; 20. fixing bolt; 21. reset spring 2; 22. special-shaped clamping block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] The utility model provides a technical solution: Figure 1 - Figure 4As shown, in this embodiment, a cylindrical pin rolling processing mold includes a rolling mold 1, a mounting shell 6 is arranged below the rolling mold 1, a disassembly box 14 is fixedly connected to the inner top of the mounting shell 6, a connecting rod 15 is fixedly connected to the lower end of the rolling mold 1, a T-shaped mounting groove 17 is provided on the inner wall of the disassembly box 14, a reset spring 21 is fixedly connected to the inner wall of the T-shaped mounting groove 17, one end of the reset spring 21 is fixedly connected to a special-shaped clamping block 22, one end of the special-shaped clamping block 22 is slidably clamped with a connecting rod 2 16, the connecting rod 2 16 is located inside the T-shaped mounting groove 17, the inner wall of the special-shaped clamping block 22 is slidably connected to one side of the connecting rod 15, a sliding groove 18 is penetrated on the other side of the disassembly box 14, one side of the sliding groove 18 is penetrated and connected with one side of the T-shaped mounting groove 17, The connecting rod 15 is located inside the sliding groove 18, and one end of the connecting rod 2 16 is fixedly connected to the sliding plate 12, and the two sides of the sliding plate 12 are fixedly connected to the connecting plates 7. By pressing the connecting plate 7 downward, the connecting plate 7 slides on the through groove 10, thereby driving the connecting rod 2 16 to slide out of the disassembly box 14, releasing the restriction of the special-shaped block 22, and the reset spring 21 pushes the special-shaped block 22 outward, and the special-shaped block 22 releases the restriction of the connecting rod 15, so that the rolling mold 1 is removed from the mounting shell 6, and the connecting rod 1 15 of the new mold is inserted into the sliding groove 18, so that different molds can be replaced, and different molds can be quickly replaced. The operation is convenient and the replacement is fast, which greatly improves the efficiency of mold replacement. Four disassembly boxes 14 are installed on the top of the inner part of the mounting shell 6.

[0023] like Figure 3 As shown, through grooves 10 are formed on both sides of the mounting shell 6, and the inner walls of the two through grooves 10 are slidably connected to the outer walls of the two connecting plates 7 respectively. A return spring 11 is fixedly connected to the middle of the lower end of the sliding plate 12, and one end of the return spring 11 is fixedly connected to the inner bottom of the mounting shell 6. The sliding plate 12 can be pushed upward by the return spring 11, which facilitates the insertion of the connecting rod 16 into the disassembly box 14 to fix the connecting rod 15 on the rolling mold 1.

[0024] like Figure 1 - Figure 3 As shown, one side of the two connecting plates 7 is rotatably connected to a U-shaped fixing frame 8, and the other two sides of the rolling mold 1 are fixedly connected to a clamping block 9. One side of the two clamping blocks 9 is respectively clamped with one side of the two U-shaped fixing frames 8. By rotating the U-shaped fixing frame 8, one side of the inner wall is clamped on the clamping block 9, thereby fixing the connecting plate 7 in place to prevent the connecting plate 7 from moving downward during use and affecting the stability of the disassembly box 14 on the rolling mold 1.

[0025] like Figure 3As shown, a plurality of sliding rods 13 are fixedly connected inside the mounting shell 6, and the outer side walls of the plurality of sliding rods 13 are slidably connected to the inner wall of the sliding plate 12. The sliding rods 13 are used to limit the sliding direction of the sliding plate 12 to prevent the connecting rod 16 from being misaligned with the T-shaped mounting groove 17.

[0026] like Figure 1 As shown, an upper mold 2 is arranged above the rolling mold 1, and guide columns 4 are fixedly connected at the four corners of the lower end of the upper mold 2. Guide grooves 5 are opened at the four corners of the upper end of the rolling mold 1, and the inner wall of the guide groove 5 is slidably connected to the inner wall of the guide column 4. The cooperation between the guide column 4 and the guide groove 5 prevents the tool on the upper mold 2 from being misaligned with the cutting hole of the rolling mold 1, which affects the cutting of the rolled cylindrical pin.

[0027] like Figure 1 and Figure 3 As shown, a feed rack 3 is provided at the output end of the rolling mold 1, one end of the feed rack 3 is fixedly connected to one side of the mounting shell 6, and the cut cylindrical pins are guided through the feed rack 3 for easy collection.

[0028] like Figure 3 and Figure 4 As shown, a disassembly plate 19 is provided on one side of the disassembly box 14, and fixing bolts 20 are threadedly connected at the four corners of the disassembly plate 19. One end of the four fixing bolts 20 are respectively threadedly connected to the four corners of the disassembly box 14. Through the cooperation of the fixing bolts 20 and the disassembly plate 19, the components in the disassembly box 14 can be replaced and repaired.

[0029] The utility model provides a cylindrical pin rolling processing die, and the specific working principle is as follows:

[0030] When the production equipment is used to produce different types of rolled cylindrical pins, first rotate the U-shaped fixing frame 8 to rotate the U-shaped fixing frame 8 down from the clamping block 9 to release the restriction of the connecting plate 7, and then press the connecting plate 7 downward to make the connecting plate 7 slide on the through groove 10, thereby driving the connecting rod 2 16 to slide out of the disassembly box 14, and releasing the restriction of the special-shaped block 22. The reset spring 21 pushes the special-shaped block 22 outward, and the special-shaped block 22 releases the restriction of the connecting rod 1 15, so that the rolling mold 1 is removed from the mounting shell 6, and the connecting rod 1 15 of the new mold is inserted into the sliding groove 18, and then the connecting plate 7 is loosened. The reaction force of the reset spring 11 pushes the connecting plate 7 upward, so that the connecting rod 2 16 pushes the special-shaped block 22 to one side, so that one side of the special-shaped block 22 clamps one side of the connecting rod 15, and then the U-shaped fixing frame 8 is rotated to clamp the U-shaped fixing frame 8 on the clamping block 9, and the replacement is completed.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cylindrical pin rolling processing die, comprising a rolling die (1), characterized in that: A mounting shell (6) is provided below the rolling mold (1), and a disassembly box (14) is fixedly connected to the inner top of the mounting shell (6), and a connecting rod (15) is fixedly connected to the lower end of the rolling mold (1), and a T-shaped mounting groove (17) is provided on the inner wall of the disassembly box (14), and a return spring (21) is fixedly connected to the inner wall of the T-shaped mounting groove (17), and one end of the return spring (21) is fixedly connected to a special-shaped clamping block (22), and one end of the special-shaped clamping block (22) is slidably clamped to the connecting rod (16), and the connecting rod (16) is fixedly connected to the inner wall of the T-shaped mounting groove (17). The second connecting rod (16) is located inside the T-shaped mounting groove (17), the inner wall of the special-shaped block (22) is slidably connected to one side of the first connecting rod (15), the other side of the disassembly box (14) is penetrated by a sliding groove (18), one side of the sliding groove (18) is penetrated and connected to one side of the T-shaped mounting groove (17), the first connecting rod (15) is located inside the sliding groove (18), one end of the second connecting rod (16) is fixedly connected to a sliding plate (12), and both sides of the sliding plate (12) are fixedly connected to connecting plates (7).

2. The cylindrical pin rolling die according to claim 1, characterized in that: Both sides of the mounting shell (6) are penetrated by through grooves (10), the inner walls of the two through grooves (10) are respectively slidably connected to the outer walls of the two connecting plates (7), a return spring (11) is fixedly connected to the middle of the lower end of the sliding plate (12), and one end of the return spring (11) is fixedly connected to the inner bottom of the mounting shell (6).

3. The cylindrical pin rolling die according to claim 1, characterized in that: One side of the two connecting plates (7) is rotatably connected to a U-shaped fixing frame (8), and the other two sides of the rolling mold (1) are fixedly connected to a clamping block (9), and one side of the two clamping blocks (9) is respectively clamped to one side of the two U-shaped fixing frames (8).

4. The cylindrical pin rolling die according to claim 1, characterized in that: A plurality of sliding rods (13) are fixedly connected inside the installation shell (6), and the outer side walls of the plurality of sliding rods (13) are all slidably connected to the inner wall of the sliding plate (12).

5. The cylindrical pin rolling die according to claim 1, characterized in that: An upper mold (2) is arranged above the rolling mold (1), and guide columns (4) are fixedly connected at the four corners of the lower end of the upper mold (2). Guide grooves (5) are opened at the four corners of the upper end of the rolling mold (1), and the inner wall of the guide groove (5) is slidably connected to the inner wall of the guide column (4).

6. The cylindrical pin rolling die according to claim 1, characterized in that: The output end of the rolling die (1) is provided with a material unloading rack (3), and one end of the material unloading rack (3) is fixedly connected to one side of the mounting shell (6).

7. The cylindrical pin rolling die according to claim 1, characterized in that: A disassembly plate (19) is provided on one side of the disassembly box (14), and fixing bolts (20) are threadedly connected at four corners of the disassembly plate (19), and one end of the four fixing bolts (20) is threadedly connected to the four corners of the disassembly box (14) respectively.

Images