Sheet metal part machining and forming die

Abstract

The utility model discloses a sheet metal part processing and forming die, which relates to the technical field of sheet metal part forming dies and is technically characterized by comprising a fixed die holder and a movable die holder, guide columns are symmetrically mounted on one side of the top end of the fixed die holder, guide sleeves are symmetrically mounted on one side of the top end of the movable die holder, and a first cushion block is mounted on the other side of the top end of the fixed die holder. A second cushion block is installed at the position, close to the second bending base, of the top end of the fixed die base, an installation plate is installed at the bottom end of the movable die base, a first bending base is installed on one side of the bottom end of the installation plate, and a cutter is installed on the other side of the bottom end of the installation plate. The anti-scratching device has the technical effects that the first bending seat is matched with the bending attaching column, in the process of primarily bending the cut sheet metal material, the anti-scratching rod is attached to the surface of the sheet metal material to roll, and scratching of the outer wall of the sheet metal part due to direct stress bending can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal forming dies, in particular to a sheet metal processing forming die. Background Art

[0002] Sheet metal forming dies are special tools used to form metal sheets in sheet metal processing. Sheet metal processing is to make parts or components of various shapes by cutting, bending, stamping and other processes on metal sheets. Stamping is the most common mode in sheet metal production. It uses stamping dies installed on presses and other equipment to apply external forces to plates, strips, pipes and profiles to cause plastic deformation or separation, thereby obtaining workpieces of the desired shape and size.

[0003] In the process of processing annular parts with existing sheet metal processing and forming dies, during the process of bending the incoming sheet metal, friction will be generated between the bending and extrusion parts and the surface of the sheet metal, causing scratches on the surface of the sheet metal. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a sheet metal processing and forming die which can avoid scratches on the surface of the sheet metal during the bending process of the sheet metal.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sheet metal processing and forming mold, comprising a fixed mold seat and a movable mold seat, a guide column is symmetrically installed on one side of the top of the fixed mold seat, a guide sleeve is symmetrically installed on one side of the top of the movable mold seat, a cushion block is installed on the other side of the top of the fixed mold seat, a bending seat 2 is installed at the top of the fixed mold seat near the cushion block, a bending groove 2 is provided on the inner side of the bending seat 2, a cushion block 2 is installed at the top of the fixed mold seat near the bending seat 2, a mounting plate is installed at the bottom end of the movable mold seat, a bending seat 1 is installed on one side of the bottom end of the mounting plate, a cutting knife is installed on the other side of the bottom end of the mounting plate, a bending groove 1 is provided at one end of the bending seat 1, and an anti-scratch rod is symmetrically and rotatably installed at the lower end of the bending seat 1;

[0008] A movable pressing plate is provided at the bottom of the fixed die seat, a connecting rod is symmetrically installed on the upper end of the movable pressing plate, a lifting plate is installed at one end of the two connecting rods, and a bending fitting column is installed on one side of the lifting plate, a return spring is installed at the lower end of the movable pressing plate, and one end of the return spring is connected to the fixed plate;

[0009] A sheet metal material feeding trough is installed at the top of the pad block one, and sheet metal material is transported on the inner side of the sheet metal material feeding trough, an extrusion seat plate is installed on one side of the top of the sheet metal material feeding trough, and guide rods are symmetrically and slidably installed on the top of the extrusion seat plate, and an extrusion pressure plate is installed at one end of the two guide rods, an extrusion spring is sleeved under the outer wall of the guide rod, and a plurality of balls are arranged at the bottom end of the extrusion pressure plate.

[0010] Preferably, the guide post and guide sleeve are used in combination, and the guide post and guide sleeve are slidably connected.

[0011] Preferably, a mounting rod is threadedly mounted on the upper end of the cushion block 2, and a feed stopper is provided at one end of the mounting rod for limiting and adjusting the length of the feed to obtain a sheet metal material of a required length.

[0012] Preferably, the positions of the bending seat 1, the bending fitting column and the bending seat 2 correspond, the inner diameters of the bending groove 2 and the bending groove 1 are the same, the outer diameter of the bending fitting column is smaller than the inner diameter of the bending groove 2, and the anti-scratch rod is located at the bottom end of the bending seat 1.

[0013] Preferably, the extrusion spring is located between the extrusion seat plate and the extrusion pressure plate, the ball is located in the extrusion pressure plate and rotates, and the ball is adapted to the sheet metal material feeding trough.

[0014] Beneficial Effects

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

[0016] 1. By setting up an anti-scratch rod and using the cooperation of a bending seat and a bending fitting column, during the initial bending process of the cut sheet metal material, the anti-scratch rod is used to roll against the surface of the sheet metal material to avoid scratches on the outer wall of the sheet metal due to direct stress bending, which affects the aesthetics of the sheet metal after forming.

[0017] 2. By setting an extrusion seat plate, a guide rod, an extrusion pressure plate and an extrusion spring, and by using the elastic force of the extrusion spring to press the extrusion pressure plate onto the sheet metal material, it is possible to avoid excessive warping at the cutting site during the cutting process, which affects the accuracy of the cutting size. The design of the ball bearing at the bottom of the extrusion pressure plate can apply pressure without affecting the normal feeding of the sheet metal material. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the movable mold seat in the utility model;

[0020] Figure 3This is a schematic diagram of the bottom structure of the fixed die base in the utility model;

[0021] Figure 4 It is a partial structural schematic diagram of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the extruded seat plate in the utility model;

[0023] Figure 6 It is a bending schematic diagram of the utility model.

[0024] In the figure: 1. Fixed die seat; 11. Moving die seat; 12. Guide column; 13. Guide sleeve; 14. Pad 1; 15. Pad 2; 16. Mounting rod; 17. Feed stopper; 2. Feed trough for sheet metal materials; 3. Mounting plate; 31. Cutter; 32. Bending seat 1; 33. Bending slot 1; 34. Anti-scratch rod; 35. Bending seat 2; 36. Bending slot 2; 4. Movable pressure plate; 41. Connecting rod; 42. Reset spring; 43. Fixed plate; 44. Lifting plate; 45. Bending fitting column; 5. Extrusion seat plate; 51. Guide rod; 52. Extrusion pressure plate; 53. Extrusion spring; 54. Ball. DETAILED DESCRIPTION

[0025] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0026] See also Figure 1-6 The utility model provides a technical solution for sheet metal processing and forming molds:

[0027] Embodiment 1: A sheet metal processing and forming mold comprises a fixed mold base 1 and a movable mold base 11, a guide column 12 is symmetrically installed on one side of the top of the fixed mold base 1, a guide sleeve 13 is symmetrically installed on one side of the top of the movable mold base 11, a cushion block 14 is installed on the other side of the top of the fixed mold base 1, a bending seat 2 35 is installed on the top of the fixed mold base 1 near the cushion block 14, a bending groove 2 36 is provided on the inner side of the bending seat 2 35, a cushion block 2 15 is installed on the top of the fixed mold base 1 near the bending seat 2 35, a mounting plate 3 is installed on the bottom end of the movable mold base 11, a bending seat 1 32 is installed on one side of the bottom end of the mounting plate 3, a cutter 31 is installed on the other side of the bottom end of the mounting plate 3, a bending groove 1 33 is provided at one end of the bending seat 1 32, and an anti-scratch rod 34 is symmetrically rotated and installed on the lower end of the bending seat 1 32;

[0028] A movable pressing plate 4 is provided at the bottom of the fixed die seat 1, and connecting rods 41 are symmetrically installed on the upper end of the movable pressing plate 4, and a lifting plate 44 is installed at one end of the two connecting rods 41, and a bending fitting column 45 is installed on one side of the lifting plate 44, and a return spring 42 is installed at the lower end of the movable pressing plate 4, and one end of the return spring 42 is connected to a fixed plate 43;

[0029] A sheet metal material feed trough 2 is installed at the top of the pad 14, and sheet metal materials are transported inside the sheet metal material feed trough 2. An extrusion seat plate 5 is installed on one side of the top of the sheet metal material feed trough 2. Guide rods 51 are symmetrically slidably installed on the top of the extrusion seat plate 5. An extrusion pressure plate 52 is installed at one end of the two guide rods 51. An extrusion spring 53 is sleeved below the outer wall of the guide rod 51, and a plurality of balls 54 are arranged at the bottom of the extrusion pressure plate 52.

[0030] The guide column 12 and the guide sleeve 13 are used together, and the guide column 12 is slidably connected with the guide sleeve 13. The upper end of the cushion block 15 is threadedly installed with a mounting rod 16, and one end of the mounting rod 16 is provided with a feed stopper 17 for limiting the length of the feed to obtain the sheet metal material of the required length. The positions of the bending seat 1 32, the bending fitting column 45 and the bending seat 2 35 correspond to each other, the inner diameters of the bending groove 2 36 and the bending groove 1 33 are the same, the outer diameter of the bending fitting column 45 is smaller than the inner diameter of the bending groove 2 36, and the anti-scratch rod 34 is located at the bottom end of the bending seat 1 32.

[0031] Embodiment 2: Based on Embodiment 1, the extrusion spring 53 is located between the extrusion seat plate 5 and the extrusion pressure plate 52, and the ball 54 is located in the extrusion pressure plate 52 and rotates. The pressure applied by the extrusion pressure plate 52 can prevent the sheet metal material from warping at the cutting point. The ball 54 is adapted to the sheet metal material feeding trough 2. The design of the ball 54 can roll with the sheet metal material when the sheet metal material is fed, so as to avoid affecting the normal transportation of the sheet metal material.

[0032] In specific use, the utility model is a sheet metal processing and forming mold. When forming an annular sheet metal part, the sheet metal material is conveyed inward through the sheet metal material feed trough 2. When one end of the sheet metal material is conveyed to the feed stopper 17, the hydraulic rod is used to drive the movable die seat 11 to move downward, and the guide sleeve 13 and the guide column 12 are used to cooperate to achieve precise guidance of the downward movement of the movable die seat 11. At the same time, in the process of the movable die seat 11 moving downward, when the lower end of the cutter 31 contacts the sheet metal material, the bending seat The lower end of the first 32 also just contacts with the sheet metal material. If the movable die seat 11 continues to move downward, the sheet metal material will be cut off. At the same time, the cooperation of the bending seat 1 32 and the bending fitting column 45 is used to realize the preliminary bending of the cut sheet metal material. In the bending process, the anti-scratch rod 34 is used to roll against the surface of the sheet metal material to avoid scratches on the outer wall of the sheet metal due to direct stress bending. When the bending seat 1 32, the bending fitting column 45 and the bending seat 2 35 are connected, the bending fitting is completed. When the column 45 moves down into the second bending groove 36, the sheet metal material can be further bent into a circular ring shape. When the bending and fitting column 45 moves down, the lifting plate 44, the connecting rod 41 and the movable pressure plate 4 are pushed down as a whole, and the reset spring 42 is compressed. When a bending step is completed, the hydraulic cylinder drives the movable mold seat 11 to move up, and the bending seat 1 32 is separated from the bending seat 2 35, and the annular sheet metal part can be removed from the bending and fitting column 45. At the same time, under the elastic force of the reset spring 42, the connecting rod 41, the lifting plate 44 and the bending and fitting column 45 are driven to move up and reset, so as to facilitate the next bending step. By utilizing the design of the extrusion seat plate 5, the guide rod 51, the extrusion pressure plate 52 and the extrusion spring 53, when cutting the sheet metal material, the elastic force of the extrusion spring 53 is utilized to drive the extrusion pressure plate 52 to apply pressure to the cutting position, thereby affecting the accuracy of the cutting size. In addition, by utilizing the design of the ball 54 at the bottom of the extrusion pressure plate 52, the sheet metal material can roll with the ball 54.

[0033] The above are only specific embodiments of the utility model, but the technical features of the utility model are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the utility model to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the utility model.

Claims

1. A sheet metal processing and forming die, comprising a fixed die seat (1) and a movable die seat (11), wherein a guide column (12) is symmetrically mounted on one side of the top end of the fixed die seat (1), and a guide sleeve (13) is symmetrically mounted on one side of the top end of the movable die seat (11), characterized in that: A cushion block 1 (14) is installed on the other side of the top of the fixed mold seat (1), a bending seat 2 (35) is installed on the top of the fixed mold seat (1) near the cushion block 1 (14), and a bending groove 2 (36) is provided on the inner side of the bending seat 2 (35), a cushion block 2 (15) is installed on the top of the fixed mold seat (1) near the bending seat 2 (35), a mounting plate (3) is installed on the bottom end of the movable mold seat (11), a bending seat 1 (32) is installed on one side of the bottom end of the mounting plate (3), a cutting knife (31) is installed on the other side of the bottom end of the mounting plate (3), a bending groove 1 (33) is provided on one end of the bending seat 1 (32), and an anti-scratch rod (34) is symmetrically rotatably installed on the lower end of the bending seat 1 (32); A movable pressing plate (4) is provided at the bottom of the fixed die seat (1), a connecting rod (41) is symmetrically mounted on the upper end of the movable pressing plate (4), a lifting plate (44) is mounted on one end of the two connecting rods (41), and a bending fitting column (45) is mounted on one side of the lifting plate (44), a return spring (42) is mounted on the lower end of the movable pressing plate (4), and one end of the return spring (42) is connected to a fixed plate (43); A sheet metal material feeding trough (2) is installed at the top of the pad block 1 (14), and sheet metal material is transported inside the sheet metal material feeding trough (2). An extrusion seat plate (5) is installed on one side of the top of the sheet metal material feeding trough (2), and guide rods (51) are symmetrically slidably installed on the top of the extrusion seat plate (5). An extrusion pressure plate (52) is installed at one end of the two guide rods (51), and an extrusion spring (53) is sleeved below the outer wall of the guide rod (51), and a plurality of balls (54) are arranged at the bottom of the extrusion pressure plate (52).

2. A sheet metal processing and forming die according to claim 1, characterized in that: The guide post (12) and the guide sleeve (13) are used in combination, and the guide post (12) and the guide sleeve (13) are slidably connected.

3. The sheet metal processing and forming die according to claim 1, characterized in that: The upper end of the cushion block 2 (15) is threadedly mounted with a mounting rod (16), and one end of the mounting rod (16) is provided with a feed stopper (17) for limiting and adjusting the length of the feed to obtain a sheet metal material of a required length.

4. The sheet metal processing and forming die according to claim 1, characterized in that: The positions of the bending seat 1 (32), the bending fitting column (45) and the bending seat 2 (35) correspond to each other, the inner diameters of the bending groove 2 (36) and the bending groove 1 (33) are the same, the outer diameter of the bending fitting column (45) is smaller than the inner diameter of the bending groove 2 (36), and the anti-scratch rod (34) is located at the bottom end of the bending seat 1 (32).

5. The sheet metal processing and forming die according to claim 1, characterized in that: The extrusion spring (53) is located between the extrusion seat plate (5) and the extrusion pressure plate (52), the ball (54) is located inside the extrusion pressure plate (52) and rotates, and the ball (54) is adapted to the sheet metal material feeding trough (2).

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