Sheet metal workpiece bending device

Abstract

The utility model discloses a sheet metal workpiece bending device which comprises an equipment platform, a guide rail is arranged at the upper end of the equipment platform, a lead screw is rotationally installed in the guide rail, a right-hand thread is arranged at the end, close to the front end of the guide rail, of the lead screw, and a left-hand thread is arranged at the position, close to the rear end of the guide rail, of the lead screw. A first sliding block and a second sliding block are arranged on the excircles of the right-hand threads and the left-hand threads of the lead screw in a sleeving mode, a front clamping plate and a rear clamping plate are arranged at the upper ends of the first sliding block and the second sliding block respectively, the end, close to the front end of the guide rail, of the lead screw penetrates and extends out of the equipment platform and is provided with a rotating handle, and scale marks are arranged at the upper end of the front clamping plate; a lower die is arranged between the front clamping plate and the rear clamping plate, a left stand column and a right stand column are arranged at the upper end of the equipment platform, a cross beam is arranged at the upper end of the left stand column and the upper end of the right stand column, an air cylinder is arranged at the upper end of the cross beam, the output end of the air cylinder penetrates and extends to the lower end of the cross beam and is provided with a tool apron, and a bending tool is arranged on the tool apron.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal processing devices, in particular to a sheet metal processing device bending device. Background Art

[0002] Bending is a common sheet metal processing method. Sheet metal parts usually need to be bent during processing to achieve a curved shape to meet design requirements. When processing sheet metal parts according to the angle and size requirements on the design drawings, different bending knives and lower molds are usually required. The existing bending device is time-consuming when replacing the mold, which affects production efficiency. Therefore, those skilled in the art provide a sheet metal processing part bending device to solve the problems raised in the above background technology. Utility Model Content

[0003] The purpose of the utility model is to provide a sheet metal workpiece bending device to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A sheet metal processing part bending device comprises an equipment platform, a guide rail is provided at the upper end of the equipment platform, a screw rod is rotatably installed in the guide rail, a positive thread is provided on the outer circle of the screw rod near the front end of the guide rail, and a reverse thread is provided on the outer circle of the screw rod near the rear end of the guide rail, a slider 1 is sleeved on the outer circle at the positive thread of the screw rod, and a slider 2 is sleeved on the outer circle of the screw rod at the reverse thread, a front splint is provided on the upper end of the slider 1, and the front splint is fixedly connected to the slider 1, and a rear splint is provided on the upper end of the slider 2, and the rear splint is fixedly connected to the slider 2.

[0006] As a further solution of the utility model: an end portion of the screw rod close to the front end of the guide rail extends through to the outside of the front end surface of the equipment platform and is fixedly connected with a rotating handle.

[0007] As a further solution of the utility model: a scale line is arranged on the upper end of the front clamping plate.

[0008] As a further solution of the utility model: a lower mold is arranged between the front splint and the rear splint, and the lower mold is movably connected to the front splint and the rear splint.

[0009] As a further solution of the utility model: a left column is arranged at the upper end of the equipment platform near the left side, and the left column is fixedly connected to the equipment platform; a right column is arranged at the upper end of the equipment platform near the right side, and the right column is fixedly connected to the equipment platform.

[0010] As a further solution of the utility model: a crossbeam is arranged at the upper ends of the left column and the right column, the crossbeam is fixedly connected to the left column and the right column, and a cylinder is fixedly installed at the upper end of the crossbeam.

[0011] As a further solution of the utility model: the output end of the cylinder extends through the lower end of the beam and is fixedly connected to the knife seat.

[0012] As a further solution of the utility model: a bending knife is arranged on the knife seat, and the bending knife is threadedly connected to the knife seat.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model drives the screw to rotate by rotating the rotating handle, thereby driving the sliders 1 and 2 to move toward each other through the positive thread and the negative thread on the screw, so that the front clamp and the rear clamp move toward each other, thereby clamping the lower mold, so that the utility model can quickly install and replace the lower mold.

[0015] 2. The utility model is provided with a scale line at the upper end of the front clamping plate, so that the lower mold can be quickly positioned when the lower mold is installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The figure is a schematic diagram of the overall structure of a sheet metal workpiece bending device.

[0017] Figure 2 The present invention is a schematic diagram of the structure of a guide rail in a sheet metal workpiece bending device.

[0018] Figure 3 The present invention is a schematic structural diagram of a front clamping plate, a rear clamping plate, a slider 1 and a slider 2 in a sheet metal workpiece bending device.

[0019] Figure 4 The present invention is a schematic diagram of the structure of a tool holder and a bending tool in a sheet metal workpiece bending device.

[0020] Figure 5 The present invention is a schematic diagram of the structure of a rotating handle and a screw rod in a sheet metal workpiece bending device.

[0021] In the figure: 1. Equipment platform; 2. Right column; 3. Left column; 4. Crossbeam; 5. Cylinder; 6. Knife holder; 7. Bending knife; 8. Guide rail; 9. Front clamping plate; 10. Rear clamping plate; 11. Turning handle; 12. Screw rod; 13. Slider 1; 14. Slider 2; 15. Scale line; 16. Positive thread; 17. Negative thread; 18. Lower mold. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with the specific implementation methods. In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense, for example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be a connection between the two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] See also Figures 1 to 5In an embodiment of the utility model, a sheet metal processing part bending device includes an equipment platform 1, a guide rail 8 is provided at the upper end of the equipment platform 1, a screw rod 12 is rotatably installed in the guide rail 8, a positive thread 16 is provided on the outer circle of the screw rod 12 near the front end of the guide rail 8, and a reverse thread 17 is provided on the outer circle of the screw rod 12 near the rear end of the guide rail 8, a slider 13 is sleeved on the outer circle at the positive thread 16 of the screw rod 12, and a slider 2 14 is sleeved on the outer circle of the screw rod 12 at the reverse thread 17, a front splint 9 is provided on the upper end of the slider 13, and the front splint 9 is fixedly connected to the slider 13, and a rear splint 10 is provided on the upper end of the slider 2 14, and the rear splint 10 is fixedly connected to the slider 2 14, and one end of the screw rod 12 near the front end of the guide rail 8 extends through and extends to the outside of the front end surface of the equipment platform 1 and is fixedly connected A rotating handle 11 is connected, a scale line 15 is provided at the upper end of the front splint 9, a lower mold 18 is provided between the front splint 9 and the rear splint 10, and the lower mold 18 is movably connected to the front splint 9 and the rear splint 10, a left column 3 is provided at the upper end of the equipment platform 1 near the left side, and the left column 3 is fixedly connected to the equipment platform 1, a right column 2 is provided at the upper end of the equipment platform 1 near the right side, and the right column 2 is fixedly connected to the equipment platform 1, a crossbeam 4 is provided at the upper ends of the left column 3 and the right column 2, and the crossbeam 4 is fixedly connected to the left column 3 and the right column 2, a cylinder 5 is fixedly installed on the upper end of the crossbeam 4, and the output end of the cylinder 5 extends through the lower end of the crossbeam 4 and is fixedly connected to a knife seat 6, a bending knife 7 is provided on the knife seat 6, and the bending knife 7 is threadedly connected to the knife seat 6.

[0024] The working principle of the utility model is as follows: when the utility model is used, the handle 11 is first rotated counterclockwise to drive the screw rod 12 to rotate counterclockwise, so that the slider 13 and the slider 2 14 are moved in opposite directions in the guide rail 8 through the positive thread 16 and the negative thread 17 on the screw rod 12, thereby driving the front splint 9 and the rear splint 10 to move in opposite directions, thereby expanding the distance between the front splint 9 and the rear splint 10, and then placing the lower mold 18 between the front splint 9 and the rear splint 10, positioning the lower mold 18 through the scale line 15 at the upper end of the front splint 9, and rotating it clockwise after positioning is completed The handle 11 is turned to drive the screw rod 12 to rotate clockwise, so that the slider 13 and the slider 2 14 are moved toward each other in the guide rail 8 through the positive thread 16 and the negative thread 17 on the screw rod 12, thereby driving the front clamp plate 9 and the rear clamp plate 10 to move toward each other, so that the lower mold 18 is tightened and fixed by the relative movement of the front clamp plate 9 and the rear clamp plate 10, and then the sheet metal is placed on the lower mold 18, and then the cylinder 5 is started, and the tool holder 6 is driven by the cylinder 5 to move downward quickly, so that the bending knife 7 installed on the tool holder 6 moves downward quickly, and the sheet metal is bent by the cooperation of the bending knife 7 and the lower mold 18.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A sheet metal workpiece bending device, comprising an equipment platform (1), characterized in that: A guide rail (8) is provided at the upper end of the equipment platform (1), a screw rod (12) is rotatably installed in the guide rail (8), a positive thread (16) is provided on the outer circle of the screw rod (12) near the front end of the guide rail (8), and a negative thread (17) is provided on the outer circle of the screw rod (12) near the rear end of the guide rail (8), a slider 1 (13) is sleeved on the outer circle at the positive thread (16) of the screw rod, and a slider 2 (14) is sleeved on the outer circle at the negative thread (17) of the screw rod, a front clamping plate (9) is provided at the upper end of the slider 1 (13), and the front clamping plate (9) is fixedly connected to the slider 1 (13), and a rear clamping plate (10) is provided at the upper end of the slider 2 (14), and the rear clamping plate (10) is fixedly connected to the slider 2 (14).

2. A sheet metal workpiece bending device according to claim 1, characterized in that: An end of the screw rod (12) close to the front end of the guide rail (8) extends through the outside of the front end surface of the equipment platform (1) and is fixedly connected to a rotating handle (11).

3. The sheet metal workpiece bending device according to claim 1, characterized in that: A scale mark (15) is provided at the upper end of the front clamping plate (9).

4. The sheet metal workpiece bending device according to claim 1, characterized in that: A lower mold (18) is provided between the front clamping plate (9) and the rear clamping plate (10), and the lower mold (18) is movably connected to the front clamping plate (9) and the rear clamping plate (10).

5. The sheet metal workpiece bending device according to claim 1, characterized in that: A left column (3) is arranged at a position close to the left side of the upper end of the equipment platform (1), and the left column (3) is fixedly connected to the equipment platform (1). A right column (2) is arranged at a position close to the right side of the upper end of the equipment platform (1), and the right column (2) is fixedly connected to the equipment platform (1).

6. The sheet metal workpiece bending device according to claim 5, characterized in that: A crossbeam (4) is provided at the upper ends of the left column (3) and the right column (2); the crossbeam (4) is fixedly connected to the left column (3) and the right column (2); and a cylinder (5) is fixedly mounted on the upper end of the crossbeam (4).

7. The sheet metal workpiece bending device according to claim 6, characterized in that: The output end of the cylinder (5) extends through the lower end of the crossbeam (4) and is fixedly connected to a knife seat (6).

8. The sheet metal workpiece bending device according to claim 7, characterized in that: A bending knife (7) is provided on the knife seat (6), and the bending knife (7) is threadedly connected to the knife seat (6).

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