Stamping die for metal plate machining

Abstract

The utility model discloses a stamping die for metal plate processing, which comprises a rack and a stamping frame arranged at the top of the rack, a stamping mechanism is arranged on the stamping frame and comprises a lifting frame arranged below the stamping frame, a punch is arranged at the bottom of the lifting frame, and a stamping head is arranged on the bottom of the lifting frame. An air cylinder used for driving the lifting frame to ascend and descend is arranged at the upper end of the stamping frame. A lifting frame is arranged on the machine frame, a positioning assembly used for fixing a metal plate is arranged on the machine frame, the positioning assembly comprises vertical arms symmetrically arranged at the two ends of the lifting frame, the lower ends of the two vertical arms extend to the bottom of the machine frame and are jointly and fixedly connected with a bottom plate, and a driving table with a certain taper on the side face is arranged in the middle of the top of the bottom plate. According to the stamping die for metal plate machining, the positioning assembly and the stamping assembly are arranged in a linkage mode, a metal plate can be positioned and clamped before stamping, automatic centering can be achieved without specially placing the metal plate to a specific position, and efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of metal plate processing equipment, in particular to a stamping die for metal plate processing. Background Art

[0002] A stamping die is a special process equipment used to process materials (metal or non-metal) into parts (or semi-finished products) during cold stamping. It is called a cold stamping die (commonly known as 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 it to separate or plastically deform, thereby obtaining the desired parts. When processing metal sheets, a stamping die for metal sheet processing is needed.

[0003] In the prior art, when punching holes in metal plates, the metal plates often need to be pre-fixed before the stamping process can be performed, which makes positioning cumbersome, affects efficiency, and is inconvenient to use.

[0004] Therefore, it is necessary to propose a stamping die for metal sheet processing to solve the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a stamping die for metal plate processing, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A stamping die for metal sheet processing, comprising a frame and a stamping frame arranged on the top of the frame, a stamping mechanism arranged on the stamping frame, the stamping mechanism comprising a lifting frame arranged below the stamping frame, a punch arranged at the bottom of the lifting frame, and a cylinder for driving the lifting frame to rise and fall arranged at the upper end of the stamping frame;

[0008] The frame is provided with a positioning assembly for fixing the metal sheet, and the positioning assembly includes vertical arms symmetrically arranged at both ends of the lifting frame, the lower ends of the two vertical arms extend to the bottom of the frame and are fixedly connected to the bottom plate together, a driving platform with a certain taper on the side surface is provided in the middle of the top of the bottom plate, and a sliding bar parallel to the side wall of the driving platform is provided on the side of the driving platform, a positioning groove is provided on the top of the frame, and a movable plate is movably connected to the inner side of the positioning groove all around, and a positioning plate is provided on the opposite side of the plurality of movable plates, a second spring is provided between the movable plate and the positioning plate, and a driving arm extending to the bottom of the frame is provided at the bottom of the movable plate, and one side of the lower end of the driving arm is movably connected to the sliding bar.

[0009] Preferably, the driving platform is in the shape of a truncated cone or a right flat-topped pyramid.

[0010] Preferably, one side of the lower end of the driving arm is slidably matched with the side wall of the driving platform.

[0011] Preferably, a first through hole corresponding to and adapted to the punch is provided on the inner side of the positioning groove.

[0012] Preferably, it further comprises a clamping assembly, which comprises a pressing plate arranged below the lifting frame, wherein four corners of the upper end of the pressing plate are symmetrically provided with columns, and a first spring is sleeved on the outer side of the column.

[0013] Preferably, the upper end of the column extends above the lifting frame, and the column cooperates with the movable guide of the lifting frame;

[0014] The first spring is located between the lifting frame and the pressing plate, and in an initial state of the first spring, the bottom of the pressing plate is lower than the bottom of the punch.

[0015] Compared with the prior art, the utility model provides a stamping die for metal sheet processing, which has the following beneficial effects:

[0016] The stamping die for processing metal sheets can be positioned and clamped before stamping by means of a positioning component that is linked to a stamping component. Automatic centering can be achieved without deliberately placing the metal sheets in a specific position, thereby improving efficiency, convenience and practicality. A clamping component is also provided that is also linked to the stamping component. The top of the metal sheet can be clamped before stamping, thereby further increasing the stability of the metal sheet, ensuring stamping accuracy, and having a simple and compact structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the utility model from another perspective;

[0019] Figure 3 It is a structural schematic diagram of the utility model in which the pressing assembly and the lifting frame are disassembled;

[0020] Figure 4 It is a structural schematic diagram of the positioning assembly of the utility model;

[0021] Figure 5 It is a partial structural schematic diagram of the frame of the utility model.

[0022] In the figure: 1, frame; 2, punching frame; 3, positioning groove; 4, cylinder; 5, lifting frame; 6, pressing plate; 7, vertical arm; 8, driving arm; 9, first through hole; 10, column; 11, punch; 12, first spring; 13, second through hole; 14, bottom plate; 15, sliding rod; 16, moving plate; 17, positioning plate; 18, second spring; 19, driving platform. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] like Figure 1-5 As shown, a stamping die for metal sheet processing includes a frame 1 and a stamping frame 2 arranged on the top of the frame 1, a stamping mechanism is arranged on the stamping frame 2, and the stamping mechanism includes a lifting frame 5 arranged below the stamping frame 2, a punch 11 is arranged at the bottom of the lifting frame 5, and a cylinder 4 for driving the lifting frame 5 to rise and fall is arranged at the upper end of the stamping frame 2;

[0025] Furthermore, the frame 1 is provided with a positioning assembly for fixing the metal sheet, the positioning assembly includes vertical arms 7 symmetrically arranged at both ends of the lifting frame 5, the lower ends of the two vertical arms 7 extend to the bottom of the frame 1 and are fixedly connected to the bottom plate 14, a driving platform 19 with a certain taper on the side is arranged in the middle of the top of the bottom plate 14, the driving platform 19 is preferably truncated cone-shaped or flat-topped pyramid-shaped, and a sliding rod 15 parallel to the side wall of the driving platform 19 is arranged on the side of the driving platform 19, a positioning groove 3 is arranged on the top of the frame 1, and a movable plate 16 is movably connected to the inner side of the positioning groove 3, and a positioning plate 17 is arranged on the opposite side of the plurality of movable plates 16, and a second spring 18 is arranged between the movable plate 16 and the positioning plate 17, and a driving arm 8 extending to the bottom of the frame 1 is arranged at the bottom of the movable plate 16, and one side of the lower end of the driving arm 8 is movably connected to the sliding rod 15, and one side of the lower end of the driving arm 8 is slidably matched with the side wall of the driving platform 19.

[0026] Furthermore, a first through hole 9 corresponding to and adapted to the punch 11 is provided on the inner side of the positioning groove 3 .

[0027] In addition, it also includes a clamping assembly, which includes a pressing plate 6 arranged below the lifting frame 5, and columns 10 are symmetrically arranged at the four corners of the upper end of the pressing plate 6. The outer side of the column 10 is sleeved with a first spring 12. The upper end of the column 10 extends to the top of the lifting frame 5, and the column 10 is coordinated with the movable guide of the lifting frame 5. The first spring 12 is located between the lifting frame 5 and the pressing plate 6, and the bottom of the pressing plate 6 is lower than the bottom of the punch 11 in the initial state of the first spring 12.

[0028] It should be noted that the utility model is a stamping die for processing metal sheets. When in use, a punch 11 is arranged at the bottom of the lifting frame 5 according to the position where the metal sheet is to be stamped. The metal sheet is placed at any position between the multiple positioning plates 17 in the positioning groove 3. It only needs to be placed roughly, and then the cylinder 4 is controlled to drive the lifting frame 5 to move downward, and the lifting frame 5 drives the punch 11, the pressing plate 6, and the vertical arm 7 to move downward, wherein the vertical arm 7 drives the driving platform 19 to move downward through the bottom plate 14, and the driving platform 19 drives the sliding rod 15 to move downward, and then the multiple driving arms 8 are pulled to the middle displacement, and then The driving arm 8 drives the moving plate 16 to move toward the metal sheet, and the moving plate 16 drives the positioning plate 17 to position the metal sheet in the middle. Then, as the lifting frame 5 continues to move downward, the positioning plate 17 clamps the metal sheet. At the same time, the pressing plate 6 presses the top of the metal sheet. Then, the lifting frame 5 continues to move downward, and then the first spring 12 contracts, and the second spring 18 also contracts. Under the reverse force, the metal sheet is firmly positioned, and the punch 11 then passes through the second through hole 13 and starts to punch the metal sheet. After completion, the cylinder 4 drives the lifting frame 5 to rise and reset, and the metal sheet can be removed.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A stamping die for processing metal plates, comprising a frame (1) and a stamping frame (2) arranged on the top of the frame (1), Features: The punching frame (2) is provided with a punching mechanism, the punching mechanism comprising a lifting frame (5) arranged below the punching frame (2), a punch (11) being arranged at the bottom of the lifting frame (5), and a cylinder (4) for driving the lifting frame (5) to move upward and downward being arranged at the upper end of the punching frame (2); The frame (1) is provided with a positioning assembly for fixing the metal plate, the positioning assembly comprising vertical arms (7) symmetrically arranged at both ends of the lifting frame (5), the lower ends of the two vertical arms (7) extending to the bottom of the frame (1) and being fixedly connected to a bottom plate (14), a driving platform (19) having a side surface with a certain taper is arranged in the middle of the top of the bottom plate (14), and a sliding rod (15) parallel to the side wall of the driving platform (19) is arranged on the side of the driving platform (19), The top of the frame (1) is provided with a positioning groove (3), and the inner sides of the positioning groove (3) are movably connected with movable plates (16), and the opposite sides of the plurality of movable plates (16) are provided with positioning plates (17), and a second spring (18) is provided between the movable plates (16) and the positioning plates (17). The bottom of the movable plate (16) is provided with a driving arm (8) extending to the bottom of the frame (1), and the lower end of the driving arm (8) is movably connected to the sliding rod (15).

2. A stamping die for metal sheet processing according to claim 1, Features: The driving platform (19) is in the shape of a truncated cone or a right flat-topped pyramid.

3. A stamping die for metal sheet processing according to claim 2, Features: One side of the lower end of the driving arm (8) is slidably matched with the side wall of the driving platform (19).

4. A stamping die for metal sheet processing according to claim 1, Features: A first through hole (9) corresponding to and matching the punch (11) is provided on the inner side of the positioning groove (3).

5. A stamping die for metal sheet processing according to claim 1, Features: It also includes a clamping assembly, which includes a pressing plate (6) arranged below the lifting frame (5), and pillars (10) are symmetrically arranged at the four corners of the upper end of the pressing plate (6), and a first spring (12) is sleeved on the outer side of the pillar (10).

6. A stamping die for metal sheet processing according to claim 5, Features: The upper end of the column (10) extends to the top of the lifting frame (5), and the column (10) is in movable guide cooperation with the lifting frame (5); The first spring (12) is located between the lifting frame (5) and the pressing plate (6), and in the initial state of the first spring (12), the bottom of the pressing plate (6) is lower than the bottom of the punch (11).

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