Stamping die with stamping die head convenient to replace

Abstract

The stamping die with the stamping die head convenient to replace comprises a workbench, the rear side of the workbench is fixedly connected with a supporting plate, the upper end of the supporting plate is fixedly connected with a top plate, the upper side of the top plate is fixedly connected with a hydraulic cylinder, the lower side of the top plate is fixedly connected with a connecting rod, and the lower end of the connecting rod is fixedly connected with a mounting plate. A disc is arranged on the lower side of the mounting plate; a rotating shaft is rotatably connected to the middle of the disc, the upper end of the rotating shaft is fixedly connected with a mounting plate, a through hole is formed in the disc located on the outer side of the rotating shaft, a stamping head is slidably connected into the through hole, a first spring is arranged between the stamping head and the through hole, and a guide groove is formed in the disc located on the outer side of the through hole. A positioning hole is formed in the guide groove, the output end of the hydraulic cylinder is fixedly connected with a punching rod, the punching rod is connected with the mounting plate in a sliding mode, and the punching rod and the through hole are located on the same axis. By means of the structure, the stamping head can be replaced without any tool, and operation is convenient.

Description

Technical Field

[0001] This utility model relates to the field of stamping die technology, and in particular to a stamping die that facilitates the replacement of the stamping die head. Background Technology

[0002] Stamping dies are special process equipment used in cold stamping to process materials (metal or non-metal) into parts (or semi-finished products). Stamping dies are also called cold stamping dies (commonly known as cold stamping dies). Stamping is a pressure processing method that uses dies mounted on a press to apply pressure to materials at room temperature, causing them to separate or undergo plastic deformation, thereby obtaining the desired parts.

[0003] Although there are many different stamping dies on the market, existing stamping dies still have the following problems during use:

[0004] 1. The process of replacing the stamping die head not only requires the use of corresponding disassembly and assembly tools, but also requires the removal and assembly of many screws, which is very tedious and troublesome.

[0005] 2. Stamping dies are not easy to quickly change to different shapes of die heads during use, resulting in poor practicality. Utility Model Content

[0006] The purpose of this invention is to provide a stamping die that facilitates the replacement of the stamping die head, thereby solving the problems mentioned above.

[0007] To achieve the above objectives, a stamping die with an easily replaceable stamping die head is provided, comprising a worktable, a support plate fixedly connected to the rear side of the worktable, a top plate fixedly connected to the upper end of the support plate, a hydraulic cylinder fixedly connected to the upper side of the top plate, and a connecting rod fixedly connected to the lower side of the top plate, a mounting plate fixedly connected to the lower end of the connecting rod, and a disc provided on the lower side of the mounting plate; a rotating shaft rotatably connected to the middle position of the disc, a mounting plate fixedly connected to the upper end of the rotating shaft, a through hole provided on the disc located outside the rotating shaft, a stamping head slidably connected in the through hole, a first spring provided between the stamping head and the through hole, a guide groove provided on the disc located outside the through hole, a positioning hole provided in the guide groove, a stamping rod fixedly connected to the output end of the hydraulic cylinder, and the stamping rod slidably connected to the mounting plate and located on the same axis as the through hole.

[0008] According to the aforementioned stamping die for easy replacement of stamping die head, the mounting plate has a mounting groove on its lower side, and a positioning rod is slidably connected in the mounting groove.

[0009] According to the aforementioned stamping die for easy replacement of stamping die head, the upper end of the positioning rod is located in the mounting groove and is fixedly connected to a second spring, the lower end of the positioning rod is spherical, and a toggle ring is fixedly connected to the middle position.

[0010] According to the aforementioned stamping die for easy replacement of stamping die heads, there are four through holes that are evenly distributed, and stamping heads of different shapes are slidably connected in the four through holes respectively.

[0011] According to the aforementioned stamping die for easy replacement of stamping die head, the guide groove is annular, and there are four positioning holes, each corresponding to a through hole.

[0012] According to the aforementioned stamping die for easy replacement of the stamping die head, there are two connecting rods located on both sides of the stamping rod.

[0013] According to the aforementioned stamping die for easy replacement of the stamping die head, the lower end of the positioning rod is adapted to the size of the guide groove and is slidably connected to the guide groove.

[0014] This utility model has the following beneficial effects:

[0015] 1. Compared with the existing technology, by providing a disc below the mounting plate, and having a punch head and a spring on the disc, the punch head can be placed directly into the through hole from above the disc when installing it, which is convenient and does not require any tools.

[0016] 2. Compared with the existing technology, by providing a positioning rod under the mounting plate and a guide groove and positioning hole on the disc, if it is necessary to replace the stamping head during the workpiece stamping process, simply lift the actuating ring upwards to separate the lower end of the positioning rod from the positioning hole and rotate the disc. This makes the operation convenient and flexible. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1 This is a structural diagram of a stamping die that facilitates the replacement of the stamping die head according to the present invention;

[0019] Figure 2 This is a structural diagram of a stamping die that facilitates the replacement of the stamping die head according to the present invention;

[0020] Figure 3 This is a disc structure diagram of a stamping die that facilitates the replacement of the stamping die head, according to the present invention.

[0021] Figure 4 for Figure 2 Enlarged view of the structure at point A in the middle.

[0022] Legend:

[0023] 1. Workbench; 2. Top plate; 21. Connecting rod; 3. Support plate; 4. Mounting plate; 41. Mounting groove; 42. Second spring; 5. Disc; 51. Through hole; 52. Guide groove; 53. Positioning hole; 54. Rotary shaft; 6. Hydraulic cylinder; 61. Stamping rod; 7. Stamping head; 8. First spring; 9. Positioning rod; 91. Actuating ring. Detailed Implementation

[0024] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0025] Reference Figure 1-4 This utility model discloses a stamping die that facilitates the replacement of stamping die heads. It includes a worktable 1 on which a fixing bracket corresponding to the workpiece can be placed for easy workpiece fixation. The fixing bracket can be bolted to the worktable 1 and is of the same type as the stamped workpiece. Since the fixing bracket is existing technology and a common device in this field, it is not explicitly specified in this patent. A support plate 3 is fixedly connected to the rear side of the worktable 1. A top plate 2 is fixedly connected to the upper end of the support plate 3. A hydraulic cylinder 6 is fixedly connected to the upper side of the top plate 2, and a connecting rod 21 is fixedly connected to the lower side. A mounting plate 4 is fixedly connected to the lower end. A mounting groove 41 is provided on the lower side of the mounting plate 4. A positioning rod 9 is slidably connected in the mounting groove 41. The upper end of the positioning rod 9 is located in the mounting groove 41 and is fixedly connected to a second spring 42. The lower end of the positioning rod 9 is spherical and a toggle ring 91 is fixedly connected in the middle position. The size of the lower end of the positioning rod 9 is adapted to the guide groove 52 and is slidably connected to the guide groove 52. A disc 5 is provided on the lower side of the mounting plate 4. When the workpiece is stamped, the hydraulic cylinder 6 drives the stamping rod 61 to move downward and extend into the stamping head 7, pushing the stamping head 7 out of the through hole 51 and stamping the workpiece.

[0026] A rotating shaft 54 ​​is rotatably connected to the middle position of the disc 5. The upper end of the rotating shaft 54 ​​is fixedly connected to the mounting plate 4. A through hole 51 is provided on the disc 5 located outside the rotating shaft 54. A punch head 7 is slidably connected in the through hole 51. There are four through holes 51, which are evenly distributed. A punch head 7 of different shapes is slidably connected in the four through holes 51 respectively. A first spring 8 is provided between the punch head 7 and the through hole 51. Under the action of the first spring 8, the punch head 7 can be easily reset.

[0027] A guide groove 52 is provided on the disc 5 located outside the through hole 51. A positioning hole 53 is provided in the guide groove 52. The guide groove 52 is annular. There are four positioning holes 53, which correspond one-to-one with the through hole 51. A stamping rod 61 is fixedly connected to the output end of the hydraulic cylinder 6. There are two connecting rods 21 located on both sides of the stamping rod 61. The stamping rod 61 is slidably connected to the mounting plate 4 and is located on the same axis as the through hole 51.

[0028] Working principle: During installation, different types of stamping heads 7 are placed into the through hole 51, positioning them within the first spring 8. During use, the disc 5 is rotated to select a suitable stamping head 7, which is then rotated directly below the stamping rod 61. During rotation, the lower end of the positioning rod 9 is positioned within the guide groove 52. When the stamping head 7 is directly below the stamping rod 61, the positioning rod 9 is positioned within the positioning hole 53 corresponding to the stamping head 7, thus fixing the disc 5. When stamping the workpiece, the hydraulic cylinder 6 is activated, causing the stamping rod 61 to move downwards and extend into the stamping head 7, pushing the stamping head 7 out of the through hole 51 and stamping the workpiece. After stamping, the stamping head 7 retracts, and is reset under the action of the first spring 8. If the stamping head 7 needs to be replaced, the actuating ring 91 is lifted upwards to separate the lower end of the positioning rod 9 from the positioning hole 53, and the disc 5 is rotated. The operation is convenient and flexible.

[0029] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A stamping die with an easily replaceable stamping die head, characterized in that, Includes a workbench (1), a support plate (3) is fixedly connected to the rear side of the workbench (1), a top plate (2) is fixedly connected to the upper end of the support plate (3), a hydraulic cylinder (6) is fixedly connected to the upper side of the top plate (2), and a connecting rod (21) is fixedly connected to the lower side of the top plate (2), and an mounting plate (4) is fixedly connected to the lower end of the connecting rod (21), and a disc (5) is provided on the lower side of the mounting plate (4); A rotating shaft (54) is rotatably connected to the middle position of the disc (5). The upper end of the rotating shaft (54) is fixedly connected to the mounting plate (4). A through hole (51) is provided on the disc (5) located outside the rotating shaft (54). A punch head (7) is slidably connected in the through hole (51). A first spring (8) is provided between the punch head (7) and the through hole (51). A guide groove (52) is provided on the disc (5) located outside the through hole (51). A positioning hole (53) is provided in the guide groove (52). A punch rod (61) is fixedly connected to the output end of the hydraulic cylinder (6). The punch rod (61) is slidably connected to the mounting plate (4) and is located on the same axis as the through hole (51).

2. The stamping die of claim 1, wherein, The mounting plate (4) has a mounting groove (41) on its lower side, and a positioning rod (9) is slidably connected in the mounting groove (41).

3. The stamping die of claim 2, wherein, The upper end of the positioning rod (9) is located in the mounting groove (41) and is fixedly connected to a second spring (42). The lower end of the positioning rod (9) is spherical and is fixedly connected to a toggle ring (91) in the middle position.

4. The stamping die of claim 3, wherein, There are four through holes (51), which are evenly distributed, and different shaped punch heads (7) are slidably connected in the four through holes (51).

5. The stamping die of claim 4, wherein, The guide groove (52) is annular, and there are four positioning holes (53), which correspond one-to-one with the through holes (51).

6. The stamping die of claim 5, wherein, There are two connecting rods (21), located on both sides of the stamping rod (61).

7. The stamping die of claim 6, wherein, The lower end of the positioning rod (9) is adapted to the size of the guide groove (52) and is slidably connected to the guide groove (52).

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