Sheet metal workpiece bending device

By designing a sheet metal processing part bending device including a screw rod and threaded sleeve driven by a servo motor, a hydraulic buffer rod and a return spring, the problem of difficult and high accuracy requirements for the position adjustment of sheet metal parts in the prior art is solved, and efficient and accurate bending of different positions of sheet metal parts is achieved.

CN222873081UActive Publication Date: 2025-05-16SUZHOU BAIFENG INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421896033.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-07
Publication Date
2025-05-16
Estimated Expiration
2034-08-07

AI Technical Summary

Technical Problem

When existing sheet metal bending devices perform bending operations at different positions, they need to frequently adjust the position of sheet metal, which leads to high operation difficulty and high accuracy requirements, which increases production cost and time.

Method used

A sheet metal machining piece bending device including a support plate, an adjustment structure and a formwork structure is designed. The servo motor drives the screw to rotate, drive the threaded sleeve and the bend knife to move, and combines the hydraulic buffer rod and the return spring to achieve accurate adjustment of the bend knife.

Benefits of technology

It realizes efficient and precise bending of different positions of sheet metal parts, reduces operational difficulty and production costs, and improves production efficiency.

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Abstract

The utility model belongs to the technical field of sheet metal machining, and discloses a sheet metal workpiece bending device which comprises a supporting plate, an adjusting structure located below the supporting plate and a template structure located below the adjusting structure and matched with the adjusting structure. The adjusting structure comprises a servo motor assembled behind the supporting plate, a lead screw fixedly connected with the output end of the servo motor and a threaded sleeve connected to the outer wall of the lead screw in a threaded mode, and a bending knife is installed at the bottom of the threaded sleeve through a screw. Through the cooperation of the adjusting structure and the die structure, when different positions of a sheet metal part are bent, only the servo motor needs to be started, the lead screw can be driven to rotate, the rotating motion of the lead screw can drive the threaded sleeve to move, meanwhile, the bending cutter tightly connected with the threaded sleeve can also move along with the lead screw, and in the whole adjusting process, the bending cutter is not prone to being damaged. And the marking block plays a crucial role, so that the ideal effect of efficiently and accurately bending different positions of the sheet metal part is finally realized.
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Description

Technical Field

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

[0002] Sheet metal parts refer to workpieces made by processing metal sheets through a series of sheet metal processes such as shearing, cutting, bending, splicing and welding. In the stamping and bending process of sheet metal parts, the metal sheet is first placed on the fixed die of the bending machine, and then the template moves downward and applies pressure to the metal sheet to squeeze it, so that the metal sheet fits closely with the fixed die, thereby realizing the bending operation of the metal sheet. With the rapid development of modern science and technology, the functionality of the bending device has become more and more powerful.

[0003] The existing sheet metal processing part bending device has the following shortcomings: when the downward bending bar contacts the sheet metal part, the position of the bending bar is fixed. If it is necessary to perform bending operations at different positions of the sheet metal part, it has to be achieved by adjusting the position of the sheet metal part. However, this operation method has obvious limitations, and it places high demands on the proficiency of the operator, because in the process of adjusting the position of the sheet metal part, it is necessary to accurately grasp the moving distance and direction. A slight deviation may lead to inaccurate bending position and affect product quality. For inexperienced or unskilled personnel, it is very challenging to achieve such precision requirements, which not only increases the difficulty of operation, but also may waste time and materials due to frequent adjustment errors, reduce production efficiency and increase production costs. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides a sheet metal workpiece bending device, including a support plate and an adjustment structure located below the support plate, and a template structure located below the adjustment structure and adapted thereto;

[0005] The adjustment structure includes a servo motor mounted behind the support plate, a screw rod fixedly connected to the output end of the servo motor, and a threaded sleeve threadedly connected to the outer wall of the screw rod, and a bending knife is installed at the bottom of the threaded sleeve through a screw;

[0006] The template structure includes five equidistantly distributed molds, a hydraulic buffer rod assembled inside the molds, and a return spring sleeved outside the hydraulic buffer rod. The top of the hydraulic buffer rod is fixedly connected with an abutment block.

[0007] Preferably, the inner wall of the mold is provided with a bending groove matched with a bending knife, and marking blocks which are at the same horizontal position as the five molds are provided on both side surfaces of the support plate.

[0008] Preferably, it also includes a bottom plate located at the bottom of the mold, a support frame fixedly connected to the four corners of the bottom plate, and a cylinder assembled on the top of the support frame.

[0009] Preferably, the output end of the cylinder passes through the support frame, extends to the center of the top of the support plate, and is fixedly connected thereto.

[0010] Preferably, telescopic rods for guiding are arranged at both sides of the top of the support plate, and the top of the telescopic rods is fixedly connected to the bottom of the support frame.

[0011] Preferably, the hydraulic buffer rods and the return springs are arranged in a linear array and distributed inside the bending groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model cooperates with the adjustment structure and the mold structure. When bending operations are performed on different positions of the sheet metal parts, it is only necessary to start the servo motor to drive the screw rod to rotate, and the rotational movement of the screw rod can drive the threaded sleeve to move. At the same time, the bending knife closely connected with the threaded sleeve will also move accordingly. In the whole adjustment process, the marking block plays a vital role. The staff can achieve extremely precise adjustment of the bending knife by carefully observing the relative position relationship between the marking block and the mold. The ability of precise adjustment makes it easy to cope with various complex bending requirements in actual operation. No matter how the position of the sheet metal part to be bent changes, it can be accurately positioned and operated, thereby ultimately achieving the ideal effect of efficient and precise bending of different positions of the sheet metal parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the adjustment structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the top view structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0018] Figure 5 It is a schematic diagram of the structure of the left side of the utility model;

[0019] Figure 6 This is a schematic diagram of the cross-sectional structure of the mold of the utility model.

[0020] In the figure: 1. support plate; 11. telescopic rod; 2. adjustment structure; 21. servo motor; 22. screw rod; 23. threaded sleeve; 24. bending knife; 25. marking block; 3. template structure; 31. mold; 32. hydraulic buffer rod; 33. reset spring; 34. abutment block; 4. bottom plate; 5. support frame; 6. cylinder. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figures 1 to 6 As shown, the utility model provides a sheet metal workpiece bending device, comprising a support plate 1, an adjustment structure 2 located below the support plate 1, and a template structure 3 located below the adjustment structure 2 and adapted thereto;

[0023] The adjustment structure 2 includes a servo motor 21 mounted on the rear of the support plate 1, a screw rod 22 fixedly connected to the output end of the servo motor 21, and a threaded sleeve 23 threadedly connected to the outer wall of the screw rod 22, and a bending knife 24 is installed at the bottom of the threaded sleeve 23 by screws;

[0024] The template structure 3 includes five equidistantly distributed molds 31 , a hydraulic buffer rod 32 assembled inside the mold 31 , and a return spring 33 sleeved outside the hydraulic buffer rod 32 , and an abutment block 34 is fixedly connected to the top of the hydraulic buffer rod 32 .

[0025] The above scheme is adopted: by coordinating the adjustment structure 2 and the mold 31 structure, when bending operations are performed on different positions of the sheet metal, it is only necessary to start the servo motor 21 to drive the screw rod 22 to rotate, and the rotational movement of the screw rod 22 can drive the threaded sleeve 23 to move. At the same time, the bending knife 24 closely connected to the threaded sleeve 23 will also move accordingly. In the entire adjustment process, the marking block 25 plays a vital role. The staff can achieve extremely precise adjustment of the bending knife 24 by carefully observing the relative position relationship between the marking block 25 and the mold 31. This precise adjustment capability makes it easy to cope with various complex bending requirements in actual operation. No matter how the position of the sheet metal to be bent changes, it can be accurately positioned and operated, thereby ultimately achieving the ideal effect of efficient and precise bending of different positions of the sheet metal.

[0026] like Figures 1 to 6As shown, the inner wall of the mold 31 is provided with a bending groove adapted to the bending knife 24, and the two side surfaces of the support plate 1 are provided with marking blocks 25 at the same horizontal position as the five molds 31. It also includes a base plate 4 located at the bottom of the mold 31 and a support frame 5 fixedly connected to the four corners of the base plate 4 and a cylinder 6 assembled on the top of the support frame 5. The output end of the cylinder 6 extends through the support frame 5 to the center of the top of the support plate 1 and is fixedly connected thereto.

[0027] The above solution is adopted: the bottom plate 4 is used to fix the position of the mold 31, and the cylinder 6 can provide downward pressure for the entire device, so that the cylinder 6 can push the bending knife 24 to move downward to realize the bending operation on the sheet metal part.

[0028] like Figures 1 to 6 As shown, telescopic rods 11 for guiding are arranged on both sides of the top of the support plate 1, the top of the telescopic rods 11 is fixedly connected to the bottom of the support frame 5, and the hydraulic buffer rods 32 and the return springs 33 are arranged in a linear array distribution inside the bending groove.

[0029] With the above solution, when the bending knife 24 squeezes the abutment block 34, the hydraulic buffer rod 32 and the return spring 33 will be squeezed. After the bending is completed, the return spring 33 drives the abutment block 34 to reset and lift the sheet metal part, thereby achieving a quick demoulding effect.

[0030] The working principle and use process of this utility model:

[0031] First, place the sheet metal part on top of the mold 31, then make sure that the servo motor 21 is in normal working condition, check that there is no abnormality in the screw rod 22, threaded sleeve 23, bending knife 24, marking block 25 and mold 31, confirm that the power connection is stable, then turn on the power of the servo motor 21 to start it running. The operation of the servo motor 21 can drive the screw rod 22 to start rotating. As the screw rod 22 rotates, the threaded sleeve 23 moves along the axis of the screw rod 22 according to the thread direction and rotation direction of the screw rod 22. Since the threaded sleeve 23 is closely connected to the bending knife 24, The movement of the threaded sleeve 23 drives the bending knife 24 to move synchronously. During the entire adjustment process of the movement of the bending knife 24, the staff concentrates on carefully observing the position change of the marking block 25, compares the position of the marking block 25 with the position of the mold 31, and adjusts the bending knife 24 extremely accurately. Then, the cylinder 6 is started and the bending knife 24 is driven downward by the cylinder 6. At this time, the sheet metal between the bending knife 24 and the mold 31 will be bent. After the bending operation is completed, the abutment block 34 will be reset under the action of the reset spring 33 to bounce the sheet metal to achieve the effect of rapid demolding.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sheet metal workpiece bending device, characterized in that: It comprises a support plate (1), an adjustment structure (2) located below the support plate (1), and a template structure (3) located below the adjustment structure (2) and adapted thereto; The adjustment structure (2) comprises a servo motor (21) mounted on the rear of the support plate (1), a screw rod (22) fixedly connected to the output end of the servo motor (21), and a threaded sleeve (23) threadedly connected to the outer wall of the screw rod (22), and a bending knife (24) is installed at the bottom of the threaded sleeve (23) by means of screws; The template structure (3) comprises five equidistantly distributed molds (31), a hydraulic buffer rod (32) mounted inside the mold (31), and a return spring (33) sleeved on the outside of the hydraulic buffer rod (32), and a contact block (34) is fixedly connected to the top of the hydraulic buffer rod (32).

2. The sheet metal workpiece bending device according to claim 1, characterized in that: The inner wall of the mold (31) is provided with a bending groove matched with the bending knife (24), and the two side surfaces of the support plate (1) are provided with marking blocks (25) at the same horizontal position as the five molds (31).

3. The sheet metal workpiece bending device according to claim 2, characterized in that: It also includes a bottom plate (4) located at the bottom of the mold (31), a support frame (5) fixedly connected to the four corners of the bottom plate (4), and a cylinder (6) assembled on the top of the support frame (5).

4. The sheet metal workpiece bending device according to claim 3, characterized in that: The output end of the cylinder (6) passes through the support frame (5) and extends to the center of the top of the support plate (1) and is fixedly connected thereto.

5. The sheet metal workpiece bending device according to claim 3, characterized in that: Telescopic rods (11) for guiding are arranged on both sides of the top of the support plate (1), and the top of the telescopic rod (11) is fixedly connected to the bottom of the support frame (5).

6. The sheet metal workpiece bending device according to claim 2, characterized in that: The hydraulic buffer rod (32) and the return spring (33) are both arranged in a linear array and distributed inside the bending groove.