Bending tool

By designing a bending fixture that includes a base plate, mounting base, bending device and limiting component, the problem of inconsistent workpiece bending position in the prior art is solved, and the workpiece bending position is accurately positioned and the angle is adjusted, thereby improving bending quality and ease of operation.

CN223833189UActive Publication Date: 2026-01-27ZHUHAI SHUNZHI MASCH MFG CO LTD
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Patent Information

Application Number
CN202520189017.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-01-27
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

Existing bending fixtures cannot guarantee the consistency of bending position of workpieces, resulting in large individual differences, increasing the defect rate, and failing to guarantee bending quality.

Method used

A bending fixture comprising a base plate, a mounting base, a first bending device, a bending auxiliary component, and a second bending device is designed. Through limiting components and a driving mechanism, the fixture achieves precise positioning of the workpiece and adjustment of the bending angle, ensuring the consistency of the workpiece's bending position.

Benefits of technology

It improves the positional consistency of workpiece bending, reduces the defect rate, and enhances bending quality and ease of operation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223833189U_ABST
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Abstract

The utility model discloses a bending tool which comprises a bottom plate, a mounting seat, a first bending device, a bending auxiliary part and a second bending device, and the mounting seat is arranged on the bottom plate; the first bending device is arranged on the mounting base, and the first bending device comprises a first bending block; the bending auxiliary part is arranged on the bottom plate and comprises a third bending block; the second bending device is rotatably arranged on the bending auxiliary part, the second bending device comprises a second bending block, the first bending block and the second bending block are used for being connected with one side of a workpiece in a clamped mode, the third bending block is used for being connected with the other side of the workpiece in a clamped mode, and the first bending block, the second bending block and the third bending block are matched to bend the workpiece. The first bending block, the second bending block and the third bending block are provided with loading grooves with the same size, and the first bending block, the second bending block and the third bending block are detachably arranged on the first sliding block, the second sliding block and the bending auxiliary piece respectively.
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Description

Technical Field

[0001] This utility model relates to the field of machining, and in particular to a bending fixture. Background Technology

[0002] In our production, we often need to plastically bend workpieces to ensure they reach their working state. In some cases, we need to bend workpieces to meet work requirements. In the past, when bending workpieces, we often used a tool consisting of two relatively rotating clamps to bend the workpieces. This type of bending tool often cannot guarantee the bending position during bending, resulting in large individual differences in the bent workpieces produced, greatly increasing the defect rate, and failing to guarantee the bending quality. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a bending fixture that can ensure the bending position of the workpiece and makes the bending operation easier for the operator.

[0004] A bending fixture according to an embodiment of the present invention includes: a base plate, a mounting base, a first bending device, a bending auxiliary component, and a second bending device. The mounting base is disposed on the base plate. The first bending device is disposed on the mounting base and includes a first bending block. The bending auxiliary component is disposed on the mounting base and includes a third bending block. The second bending device is rotatably disposed on the bending auxiliary component and includes a second bending block. The first bending block and the second bending block are used to clamp one side of the workpiece, and the third bending block is used to clamp the other side of the workpiece. The first bending block, the second bending block, and the third bending block cooperate to bend the workpiece.

[0005] It has at least the following beneficial effects: the base plate facilitates the placement of this bending fixture on the workbench; the mounting base provides installation positions for the bending auxiliary component, the first bending device, and the second bending device; the first bending block is fixedly mounted on the first bending device; the second bending block is fixedly mounted on the second bending device; the second bending block rotates with the second bending device; the third bending block is fixedly mounted on the bending auxiliary component; the workpiece to be bent is placed at the third bending block; and the bending process of the workpiece is achieved by rotating the second bending device.

[0006] According to some embodiments of the present invention, a limiting member is provided on the base plate. The limiting member is used to limit the bending angle of the workpiece. The installation position of the limiting member on the base plate can be adjusted to adjust the bending angle of the workpiece.

[0007] According to some embodiments of the present invention, an arc-shaped groove is provided on the base plate, and the limiting member is adjustablely disposed on the arc-shaped groove. The arc-shaped groove is used to install the limiting member, so as to facilitate the adjustment of the position of the limiting member on the base plate.

[0008] According to some embodiments of the present invention, the limiting member is adjustablely disposed on the arc-shaped groove by means of fasteners, and the fasteners facilitate the adjustment and fixing of the installation position of the limiting member.

[0009] According to some embodiments of the present invention, the first bending device further includes: a first mounting block and a first slider, the first mounting block being disposed on the mounting base, the first slider being slidably disposed on the first mounting block, the first slider sliding along the length extension direction of the first mounting block, the first bending block being disposed on the first slider, and the first slider being slidably disposed on the first mounting block, which facilitates fixing the workpiece in the working position and removing the workpiece from the first bending block after bending is completed.

[0010] According to some embodiments of the present invention, the second bending device further includes: a second mounting block and a second slider. The second mounting block is rotatably disposed on the bending auxiliary component, and the second slider is slidably disposed on the second mounting block. The second slider slides along the length extension direction of the second mounting block, and the second bending block is disposed on the second slider. The second slider is slidably disposed on the second mounting block, which facilitates limiting the working position of the workpiece and removing the workpiece from the second bending block after bending is completed.

[0011] According to some embodiments of the present invention, both the first mounting block and the second mounting block are provided with a driving mechanism, the driving mechanism being connected to the corresponding first slider or the second slider in a transmission connection, and the driving mechanism being used to drive the corresponding first slider or the second slider to slide.

[0012] According to some embodiments of this utility model, the driving mechanism includes a connecting rod and a rotating block. The rotating block is rotatably connected to the corresponding first mounting block and the second mounting block. One end of the connecting rod is hinged to the rotating block, and the other end of the connecting rod is hinged to the corresponding first slider or the second slider. The rotating block drives the corresponding first slider or the second slider to slide through the connecting rod. An auxiliary rod is provided on the rotating block. The auxiliary rod facilitates the operator to rotate the rotating block, thereby driving the connecting rod to move, thus realizing the driving of the first mounting block and the second mounting block to perform linear reciprocating motion.

[0013] According to some embodiments of the present invention, both the first mounting block and the second mounting block are provided with hinge mounting blocks, and the rotating block is rotatably mounted on the hinge mounting block. The simplified mounting block design facilitates the installation of the rotating block.

[0014] According to some embodiments of the present invention, a grip is provided on the second mounting block, which is convenient for the operator to grasp and rotate the second bending device.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0017] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the mounting workpiece according to an embodiment of the present utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the bent workpiece according to an embodiment of the present invention.

[0020] Base plate 100, limiting component 110, arc-shaped groove 120, fastener 130;

[0021] Mounting base 200;

[0022] First bending device 300, first mounting block 310, first slider 320, first bending block 330;

[0023] Bending auxiliary component 400, third bending block 410;

[0024] Second bending device 500, second mounting block 510, second slider 520, second bending block 530, handle 511;

[0025] Drive mechanism 600, connecting rod 610, rotating block 620;

[0026] Hinge mounting block 700. Detailed Implementation

[0027] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] In the description of this utility model, the use of "first" and "second" is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features or the order of the technical features.

[0029] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0030] Reference Figures 1 to 3 This utility model discloses a bending fixture, comprising: a base plate 100, a mounting base 200, a first bending device 300, a bending auxiliary component 400, and a second bending device 500. The mounting base 200 is disposed on the base plate 100; the first bending device 300 is disposed on the mounting base 200 and includes a first bending block 330; the bending auxiliary component 400 is disposed on the mounting base 200 and includes a third bending block 410; the second bending device 500 is rotatably disposed on the bending auxiliary component 400 and includes a second bending block 530. The first bending block 330 and the second bending block 530 are connected in series. 30 is used to clamp one side of the workpiece, and the third bending block 410 is used to clamp the other side of the workpiece. The first bending block 330, the second bending block 530 and the third bending block 410 cooperate to bend the workpiece. In this embodiment, the first bending block 330, the second bending block 530 and the third bending block 410 are provided with loading grooves of the same size. The first bending block 330, the second bending block 530 and the third bending block 410 are detachably disposed on the first slider 320, the second slider 520 and the bending auxiliary component 400, respectively. The first bending block 330, the second bending block 530 and the third bending block 410 of different sizes can be replaced according to the size of the workpiece to be bent.

[0031] Reference Figure 2 The workpiece is installed between the first bending block 330, the second bending block 530 and the third bending block 410, and the bending position of the workpiece can be adjusted according to the bending requirements of the specific workpiece.

[0032] refer to Figure 3Rotating the second bending device 500 causes the workpiece to undergo plastic deformation. The limiting member 110 installed on the arc-shaped groove 120 can limit the bending angle of the workpiece. Adjusting the installation position of the limiting member 110 on the arc-shaped groove 120 can adjust the bending angle of the workpiece.

[0033] The base plate 100 facilitates the placement of this bending fixture on the workbench. The mounting base 200 provides mounting positions for the bending auxiliary component 400, the first bending device 300, and the second bending device 500. The first bending block 330 is fixedly mounted on the first bending device 300, and the second bending block 530 is fixedly mounted on the second bending device 500. The second bending block 530 rotates with the second bending device 500. The third bending block 410 is fixedly mounted on the bending auxiliary component 400. The part of the workpiece that needs to be bent is placed at the third bending block 410, and the bending process of the workpiece is achieved by rotating the second bending device 500.

[0034] In some embodiments, a limiting member 110 is provided on the base plate 100. The limiting member 110 is used to limit the bending angle of the workpiece. The installation position of the limiting member 110 on the base plate 100 can be adjusted to adjust the bending angle of the workpiece. In this embodiment, the limiting member 110 is set as a cylinder. Since the side of the cylinder is a smooth curved surface, it can better fit the workpiece and prevent the workpiece from being scratched by sharp edges. In other embodiments, the limiting member 110 can also be set as a triangular prism, a quadrangular prism, or other shapes.

[0035] In some embodiments, an arc-shaped slot 120 is provided on the base plate 100, and a limiting member 110 is adjustablely disposed on the arc-shaped slot 120. The arc-shaped slot 120 is used to install the limiting member 110, which facilitates the adjustment of the position of the limiting member 110 on the base plate 100. In this embodiment, the center of the arc-shaped slot 120 coincides with the installation center of the bending auxiliary member 400. The arc-shaped slot 120 installs the limiting member 110 and facilitates the adjustment of the installation position of the limiting member 110. The coincidence of the center of the arc-shaped slot 120 with the installation center of the bending auxiliary member 400 facilitates the adjustment of the installation position of the limiting member 110 to determine the bending angle of the workpiece.

[0036] It should be understood that the limiting member 110 is adjustablely set on the arc-shaped groove 120 by the fastener 130. The fastener 130 facilitates the adjustment and fixation of the installation position of the limiting member 110. In this embodiment, the limiting member 110 is provided with a screw, which is connected to the arc-shaped groove 120 by the threaded engagement of the screw and the nut. It can be understood that the limiting member 110 can also be connected to the arc-shaped groove 120 by a clamp.

[0037] It is conceivable that the first bending device 300 further includes: a first mounting block 310 and a first slider 320. The first mounting block 310 is disposed on the mounting base 200, and the first slider 320 is slidably disposed on the first mounting block 310. The first slider 320 slides along the length extension direction of the first mounting block 310. A first bending block 330 is disposed on the first slider 320. The first slider 320 is slidably disposed on the first mounting block 310, which facilitates fixing the workpiece in the working position and removing the workpiece from the first bending block 330 after bending. In this embodiment, a first guide rail is provided on the first mounting plate, and a first pulley is provided on the first slider 320. The provision of the first guide rail and the first pulley can reduce the friction when the first slider 320 slides and increase its service life. In other embodiments, a guide groove can be provided on the first mounting block 310, and the first slider 320 slides through the cooperation of the first pulley and the guide groove.

[0038] It should be noted that the second bending device 500 further includes: a second mounting block 510 and a second slider 520. The second mounting block 510 is rotatably mounted on the bending auxiliary component 400, and the second slider 520 is slidably mounted on the second mounting block 510. The second slider 520 slides along the length extension direction of the second mounting block 510. The second bending block 530 is mounted on the second slider 520. The second slider 520 is slidably mounted on the second mounting block 510, which facilitates limiting the working position of the workpiece and removing the workpiece from the second bending block 530 after bending. In this embodiment, a second guide rail is provided on the second mounting plate, and a second pulley is provided on the second slider 520. The provision of the second guide rail and the second pulley can reduce the friction when the second slider 520 slides and increase its service life. In other embodiments, a guide groove can be provided on the second mounting block 510, and the second slider 520 slides through the cooperation of the second pulley and the guide groove.

[0039] It should be understood that both the first mounting block 310 and the second mounting block 510 are provided with a drive mechanism 600. The drive mechanism 600 is connected to the corresponding first slider 320 or second slider 520. The drive mechanism 600 is used to drive the corresponding first slider 320 or second slider 520 to slide. In some other embodiments, the drive mechanism 600 only needs to be able to drive the first slider 320 or second slider 520 to slide. It is understood that the drive mechanism 600 can be a crank connecting rod 610 structure, or it can be directly driven by a cylinder or composed of guide rails and rollers.

[0040] In some embodiments, the drive mechanism 600 includes a connecting rod 610 and a rotating block 620. The rotating block 620 is rotatably connected to a corresponding first mounting block 310 and a corresponding second mounting block 510. One end of the connecting rod 610 is hinged to the rotating block 620, and the other end of the connecting rod 610 is hinged to a corresponding first slider 320 or a second slider 520. The rotating block 620 drives the corresponding first slider 320 or second slider 520 to slide via the connecting rod 610. An auxiliary rod is provided on the rotating block 620, which facilitates the operator's operation of the rotating block 620, thereby driving the connecting rod 610 to move, thus realizing the driving of the first mounting block. 310 and the second mounting block 510 perform linear reciprocating motion. In this embodiment, the connecting rod 610 is hinged to the rotating block 620, the connecting rod 610 is hinged to the first slider 320 or the second slider 520, and the rotating block 620 is hinged to the first mounting block 310 or the second mounting block 510. The operator operates the rotating block 620 to drive the first slider 320 or the second slider 520. In some other embodiments, the driving mechanism 600 can be a cylinder, the piston rod of the cylinder is connected to the first slider 320 or the second slider 520 to slide, and the cylinder body is mounted on the first mounting block 310 or the second mounting block 510.

[0041] In some embodiments, a hinge mounting block 700 is provided on both the first mounting block 310 and the second mounting block 510, and a rotating block 620 is rotatably disposed on the hinge mounting block 700. The hinge mounting block 700 is designed to facilitate the installation of the rotating block 620. In this embodiment, the hinge mounting block 700 is detachably disposed on the first mounting block 310 and the second mounting block 510 to facilitate the connection position, and the installation position can be adjusted to accommodate first mounting blocks 310 and second mounting blocks 510 of different sizes and first sliders 320 and second sliders 520 of different sizes.

[0042] In some embodiments, the second mounting block 510 is provided with a grip 511, which is convenient for the operator to grip and rotate the second bending device 500. It is understood that the grip 511 can be configured as other components with a gripping function.

[0043] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0044] Of course, this utility model is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A bending fixture, characterized in that, include: Base plate (100); Mounting base (200) is disposed on the base plate (100); A first bending device (300) is disposed on the mounting base (200), and the first bending device (300) includes a first bending block (330). A bending aid (400) is disposed on the mounting base (200), and the bending aid (400) includes a third bending block (410). The second bending device (500) is rotatably mounted on the bending auxiliary component (400). The second bending device (500) includes a second bending block (530). The first bending block (330) and the second bending block (530) are used to clamp one side of the workpiece, and the third bending block (410) is used to clamp the other side of the workpiece. The first bending block (330), the second bending block (530) and the third bending block (410) cooperate to bend the workpiece.

2. The bending fixture according to claim 1, characterized in that: A limiting member (110) is provided on the base plate (100), and the limiting member (110) is used to limit the bending angle of the workpiece.

3. A bending fixture according to claim 2, characterized in that: The base plate (100) is provided with an arc-shaped groove (120), and the limiting member (110) is slidably connected to the arc-shaped groove (120).

4. A bending fixture according to claim 3, characterized in that: The limiting member (110) is adjustablely set on the arc-shaped slot (120) by a fastener (130), and the setting of the fastener (130) facilitates the adjustment and fixing of the installation position of the limiting member (110).

5. A bending fixture according to claim 1, characterized in that, The first bending device (300) further includes a first mounting block (310) and a first slider (320). The first mounting block (310) is disposed on the mounting base (200), and the first slider (320) is slidably disposed on the first mounting block (310). The first slider (320) slides along the length extension direction of the first mounting block (310), and the first bending block (330) is disposed on the first slider (320).

6. A bending fixture according to claim 5, characterized in that, The second bending device (500) further includes a second mounting block (510) and a second slider (520). The second mounting block (510) is rotatably disposed on the bending auxiliary component (400), and the second slider (520) is slidably disposed on the second mounting block (510). The second slider (520) slides along the length extension direction of the second mounting block (510), and the second bending block (530) is disposed on the second slider (520).

7. A bending fixture according to claim 6, characterized in that, Both the first mounting block (310) and the second mounting block (510) are provided with a driving mechanism (600). The driving mechanism (600) is connected to the corresponding first slider (320) or second slider (520) and is used to drive the corresponding first slider (320) or second slider (520) to slide.

8. A bending fixture according to claim 7, characterized in that, The driving mechanism (600) includes a connecting rod (610) and a rotating block (620). The rotating block (620) is rotatably connected to the corresponding first mounting block (310) and second mounting block (510). One end of the connecting rod (610) is hinged to the rotating block (620), and the other end of the connecting rod (610) is hinged to the corresponding first slider (320) or second slider (520). The rotating block (620) drives the corresponding first slider (320) or second slider (520) to slide through the connecting rod (610).

9. A bending fixture according to claim 8, characterized in that: Both the first mounting block (310) and the second mounting block (510) are provided with hinge mounting blocks (700), and the rotating block (620) is rotatably mounted on the hinge mounting block (700).

10. A bending fixture according to claim 6, characterized in that: The second mounting block (510) is provided with a handle (511).