Precision stamping die with pressure relief structure

Abstract

The precise stamping die with the pressure relief structure comprises a bottom plate, two symmetrically-arranged supporting plates are arranged at the lower end of the bottom plate, a plurality of fixing rods are arranged at the upper end of the bottom plate, a top plate is jointly arranged at the upper ends of the fixing rods, a telescopic air cylinder is arranged on the top plate in a penetrating mode, and a pressure relief structure is arranged on the telescopic air cylinder. The tail ends of the telescopic ends of the two telescopic air cylinders are jointly provided with a movable plate, an upper mold is arranged at the lower end of the movable plate, a lower mold is arranged at the upper end of the bottom plate, a pressure relief ring is arranged on the outer wall of the lower mold, and a plurality of pressure relief holes are formed in the outer wall of the pressure relief ring. The outer walls of the multiple limiting columns make contact with the inner walls of the fixing rings, so that the multiple limiting columns limit the multiple fixing rings left and right, at the moment, the limiting plates are located at the upper ends of the fixing rings, the multiple limiting plates limit the fixing rings in the vertical direction, and therefore the pressure relief ring can be rapidly installed, and meanwhile the pressure relief ring can be rapidly installed. And the mounting stability of the pressure relief ring is fully ensured.

Description

Technical Field

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

[0002] Stamping dies are special process equipment used to process materials (metal or non-metal) into parts (or semi-finished products) during cold stamping. They are called cold stamping dies (commonly known as cold stamping dies). Stamping is a pressure processing method that uses a die installed on a press to apply pressure to the material at room temperature to separate or plastically deform it, thereby obtaining the desired parts.

[0003] In order to ensure the precision of the stamping die in the prior art, a pressure relief device is generally installed on the die. However, the installation of the pressure relief device in the prior art is generally fixed by bolts, and multiple bolts need to be operated in sequence. After multiple operations, the bolts are prone to thread slippage, thereby reducing the stability of the installation. The operation cycle of multiple bolts is long when they are operated in sequence, which brings inconvenience to people and makes it impossible to quickly install the pressure relief device. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art. By making the outer walls of multiple limit columns contact the inner wall of the fixed ring, the multiple limit columns limit the multiple fixed rings to the left and right. At this time, the limit plates are at the upper end of the fixed ring, so that the multiple limit plates limit the vertical direction of the fixed ring, thereby achieving the rapid installation of the pressure relief ring while fully ensuring the stability of the installation of the pressure relief ring, and a precision stamping die with a pressure relief structure is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A precision stamping die with a pressure relief structure comprises a base plate, two symmetrically arranged support plates are provided at the lower end of the base plate, a plurality of fixing rods are provided at the upper end of the base plate, a top plate is commonly provided at the upper ends of the plurality of fixing rods, a telescopic cylinder is penetrated through the top plate, a movable plate is commonly provided at the ends of the telescopic ends of the two telescopic cylinders, an upper die is provided at the lower end of the movable plate, a lower die is provided at the upper end of the base plate, a pressure relief ring is provided on the outer wall of the lower die, a plurality of pressure relief holes are provided on the outer wall of the pressure relief ring, a fixing mechanism for fixing the pressure relief ring is provided at the upper end of the base plate, a circular groove is provided at the upper end of the base plate, a driving mechanism for driving the fixing mechanism is provided in the circular groove.

[0007] Preferably, the fixing mechanism includes a plurality of grooves provided on the upper end of the bottom plate, a plurality of moving blocks are slidably connected in the plurality of grooves, a plurality of moving blocks are provided with limit columns on the upper ends, a plurality of limit columns are provided with limit plates on the upper ends, a plurality of fixing rings are provided on the outer wall of the pressure relief ring, the limit columns and the limit plates are both matched with the fixing rings, and the lower end of the limit plate is slidably connected to the upper end of the fixing ring.

[0008] Preferably, the driving mechanism comprises a threaded rod penetrating and rotatably connected between the circular groove and the plurality of grooves, and the plurality of threaded rods respectively penetrate through the plurality of moving blocks and are threadedly connected thereto.

[0009] Preferably, a rotating shaft is rotatably connected through the circular groove and the lower end of the bottom plate, a rotating plate is provided at the upper end of the rotating shaft, a bevel gear ring is provided at the upper end of the rotating plate, and bevel gears meshing with the bevel gear ring are provided at the ends of the plurality of threaded rods.

[0010] Preferably, a fixing frame is provided at the lower end of the bottom plate, a power motor is provided in the fixing frame, and the lower end of the rotating shaft is connected to the end of the output shaft of the power motor.

[0011] Preferably, the number of the plurality of grooves is four, and the four grooves are arranged circumferentially along the circular groove.

[0012] Beneficial effects of the utility model:

[0013] 1. By making the outer walls of multiple limit columns contact the inner wall of the fixed ring, the multiple limit columns limit the multiple fixed rings to the left and right. At this time, the limit plates are at the upper end of the fixed rings, so that the multiple limit plates limit the vertical direction of the fixed rings, thereby achieving the rapid installation of the pressure relief ring while fully ensuring the stability of the pressure relief ring installation.

[0014] 2. By setting the meshing of multiple bevel gears and bevel gear rings, when the power motor is started, the two relative threaded rods can move at the same speed but in different directions, thereby realizing the movement of multiple moving blocks, which is easy to operate and brings convenience to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a bottom view schematic diagram of the overall structure of the utility model;

[0017] Figure 3 It is a top view schematic diagram of the internal structure section of the bottom plate of the utility model.

[0018] In the figure: 1 bottom plate, 2 support plate, 3 fixed rod, 4 top plate, 5 telescopic cylinder, 6 moving plate, 7 upper mold, 8 pressure relief ring, 9 pressure relief hole, 10 lower mold, 11 fixed frame, 12 power motor, 13 rotating shaft, 14 fixed ring, 15 groove, 16 limit plate, 17 circular groove, 18 rotating plate, 19 bevel gear ring, 20 bevel gear, 21 threaded rod, 22 moving block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0021] Reference Figure 1-3 A precision stamping die with a pressure relief structure comprises a bottom plate 1, two symmetrically arranged support plates 2 are arranged at the lower end of the bottom plate 1, a plurality of fixing rods 3 are arranged at the upper end of the bottom plate 1, a top plate 4 is arranged at the upper ends of the plurality of fixing rods 3, a telescopic cylinder 5 is penetrated through the top plate 4, a movable plate 6 is arranged at the ends of the telescopic ends of the two telescopic cylinders 5, an upper die 7 is arranged at the lower end of the movable plate 6, a lower die 10 is arranged at the upper end of the bottom plate 1, a pressure relief ring 8 is arranged on the outer wall of the lower die 10, a plurality of pressure relief holes 9 are opened on the outer wall of the pressure relief ring 8, a fixing mechanism for fixing the pressure relief ring 8 is arranged at the upper end of the bottom plate 1, and the fixing mechanism comprises a plurality of grooves 15 opened at the upper end of the bottom plate 1, and the plurality of grooves 15 are all slidable A moving block 22 is dynamically connected, and a plurality of moving blocks 22 are each provided with a limit column on the upper end, and a plurality of limit columns are each provided with a limit plate 16 on the upper end. A plurality of fixed rings 14 are provided on the outer wall of the pressure relief ring 8, and the limit columns and the limit plates 16 are both matched with the fixed ring 14. The lower end of the limit plate 16 is slidably connected with the upper end of the fixed ring 14. By making the outer walls of the plurality of limit columns contact the inner wall of the fixed ring 14, the plurality of limit columns limit the plurality of fixed rings 14 to the left and right. At this time, the limit plate 16 is at the upper end of the fixed ring 14, so that the plurality of limit plates 16 limit the vertical direction of the fixed ring 14, thereby achieving the goal of quickly installing the pressure relief ring 8 while fully ensuring the stability of the installation of the pressure relief ring 8.

[0022] A circular groove 17 is formed at the upper end of the base plate 1, and a driving mechanism for driving the fixing mechanism is disposed in the circular groove 17. The driving mechanism includes a threaded rod 21 that penetrates and rotates between the circular groove 17 and the plurality of grooves 15. The plurality of threaded rods 21 penetrate the plurality of moving blocks 22 respectively and are threadedly connected thereto.

[0023] A rotating shaft 13 is rotatably connected to the circular groove 17 and the lower end of the base plate 1. A rotating plate 18 is provided at the upper end of the rotating shaft 13. A bevel gear ring 19 is provided at the upper end of the rotating plate 18. A bevel gear 20 meshing with the bevel gear ring 19 is provided at the ends of multiple threaded rods 21. By setting the meshing of multiple bevel gears 20 with the bevel gear ring 19, when the power motor 12 is started, the two relative threaded rods 21 can move with the same speed but different directions, thereby realizing the movement of multiple moving blocks 22. The operation is convenient, which brings convenience to people.

[0024] A fixing frame 11 is disposed at the lower end of the bottom plate 1 , a power motor 12 is disposed in the fixing frame 11 , and the lower end of the rotating shaft 13 is connected to the end of the output shaft of the power motor 12 .

[0025] The number of the plurality of grooves 15 is four, and the four grooves 15 are arranged circumferentially along the circular groove 17 .

[0026] When the utility model is used, when the pressure relief ring 8 on the lower mold 10 is installed (since the pressure relief ring 8 is a prior art, the accompanying drawings do not repeat its related structure), the multiple fixing rings 14 on the outer wall of the pressure relief ring 8 are respectively sleeved on the outer walls of the multiple limit columns, and the power motor 12 is started to drive the rotating shaft 13 to rotate, so that the rotating shaft 13 drives the rotating plate 18 to rotate, so that the bevel gear ring 19 at the upper end of the rotating plate 18 rotates, and the meshing of the bevel gear ring 19 and the bevel gear 20 is used to make the multiple bevel gears rotate. The rotation of 20 drives the multiple threaded rods 21 to rotate, and the threaded connection between the threaded rods 21 and the moving blocks 22 is utilized to make the multiple moving blocks 22 move and drive the multiple limiting columns to move, so that the outer walls of the multiple limiting columns contact the inner wall of the fixed ring 14, so that the multiple limiting columns limit the multiple fixed rings 14 to the left and right. At this time, the limiting plate 16 is at the upper end of the fixed ring 14, so that the multiple limiting plates 16 limit the vertical direction of the fixed ring 14, thereby achieving the rapid installation of the pressure relief ring 8 while fully ensuring the stability of the installation of the pressure relief ring 8.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A precision stamping die with a pressure relief structure, comprising a base plate (1), characterized in that: The bottom end of the bottom plate (1) is provided with two symmetrically arranged support plates (2); the top end of the bottom plate (1) is provided with a plurality of fixing rods (3); the upper ends of the plurality of fixing rods (3) are provided with a top plate (4); a telescopic cylinder (5) is provided through the top plate (4); the ends of the two telescopic ends of the telescopic cylinders (5) are provided with a movable plate (6); the lower end of the movable plate (6) is provided with an upper mold (7); the top end of the bottom plate (1) is provided with a lower mold (10); the outer wall of the lower mold (10) is provided with a pressure relief ring (8); the outer wall of the pressure relief ring (8) is provided with a plurality of pressure relief holes (9); the top end of the bottom plate (1) is provided with a fixing mechanism for fixing the pressure relief ring (8); the top end of the bottom plate (1) is provided with a circular groove (17); a driving mechanism for driving the fixing mechanism is provided in the circular groove (17).

2. A precision stamping die with a pressure relief structure according to claim 1, characterized in that: The fixing mechanism comprises a plurality of grooves (15) formed on the upper end of the bottom plate (1), wherein a moving block (22) is slidably connected in each of the plurality of grooves (15), a limiting column is provided on the upper end of each of the plurality of moving blocks (22), a limiting plate (16) is provided on the upper end of each of the plurality of limiting columns, a plurality of fixing rings (14) are provided on the outer wall of the pressure relief ring (8), the limiting column and the limiting plate (16) are matched with the fixing ring (14), and the lower end of the limiting plate (16) is slidably connected to the upper end of the fixing ring (14).

3. A precision stamping die with a pressure relief structure according to claim 2, characterized in that: The driving mechanism comprises a threaded rod (21) that penetrates and is rotatably connected between the circular groove (17) and the plurality of grooves (15); the plurality of threaded rods (21) respectively penetrate the plurality of moving blocks (22) and are threadedly connected thereto.

4. The precision stamping die with a pressure relief structure according to claim 3, characterized in that: A rotating shaft (13) is rotatably connected to the circular groove (17) and the lower end of the bottom plate (1). A rotating plate (18) is provided at the upper end of the rotating shaft (13). A bevel gear ring (19) is provided at the upper end of the rotating plate (18). The ends of the plurality of threaded rods (21) are each provided with a bevel gear (20) meshing with the bevel gear ring (19).

5. The precision stamping die with a pressure relief structure according to claim 4, characterized in that: A fixing frame (11) is provided at the lower end of the base plate (1), a power motor (12) is provided in the fixing frame (11), and the lower end of the rotating shaft (13) is connected to the end of the output shaft of the power motor (12).

6. The precision stamping die with a pressure relief structure according to claim 5, characterized in that: The number of the plurality of grooves (15) is four, and the four grooves (15) are arranged circumferentially along the circular groove (17).

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