U-shaped pin bending tool

By designing a detachable support frame and forming bottom mold, combined with a lifting mechanism of sliding rods and deflection blocks, precise positioning and flexible adjustment of sensor workpieces are achieved, solving the problems of versatility and efficiency of existing bending fixtures, and improving production accuracy and efficiency.

CN223819530UActive Publication Date: 2026-01-23TIANJIN XINSEN ELECTRONIC TECH CO LTD +1
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Patent Information

Application Number
CN202520285242.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2026-01-23
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

Existing bending fixtures cannot be disassembled and replaced with bent parts, and cannot be bent parts of different sizes or shapes, resulting in low production efficiency.

Method used

A U-shaped tube bending fixture was designed, including a frame, a forming bottom mold, and a bending device. The support frame and the forming bottom mold are fixedly installed by bolts, which facilitates disassembly and replacement. The slide rod and the deflection block drive the slide plate and the bending plate to rise and fall, so as to achieve precise positioning and flexible adjustment.

Benefits of technology

It improves the accuracy and production efficiency of sensor workpieces, and solves the problems of versatility and efficiency caused by the inability to disassemble and replace bent parts and the lack of manual adjustment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223819530U_ABST
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Abstract

The utility model belongs to the technical field of sensors, and particularly relates to a U-shaped pin bending tool which comprises a frame and a sensor workpiece, a processing device is arranged on the outer surface of the frame, the processing device comprises a forming bottom die, and the bending angle of the sensor workpiece is limited through the groove design of the forming bottom die. A sensor workpiece is bent, a worker drives a supporting block to deflect in a supporting frame which is rotationally connected through a handle, so that a deflection block which rotates and deflects drives a sliding rod to ascend and descend in the supporting frame which is slidably connected in an inserted mode, and due to the fact that the sliding rod and a sliding plate are fixedly installed through a bolt, the sliding rod is driven to ascend and descend on a frame which is slidably connected in a sleeved mode; the sliding plate and the bending plate are fixedly installed through a bolt, so that the sliding plate and the bending plate are convenient to disassemble while ascending and descending synchronously, and current and voltage sensors of different product structures are bent in a U-shaped mode to be replaced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sensor technical field especially relates to a U type pipe pin bending tool. BACKGROUND

[0002] The U type pipe pin of current and voltage sensor is usually used for signal input output or power connection, and the bending angle and position of the pipe pin directly affect the stability of the signal and the contact quality, in order to ensure the high-precision performance of the sensor, the angle, depth and position of the pipe pin bending must be strictly controlled, and any slight deviation can lead to poor connection, affect the electrical performance of the sensor, and further affect the working precision of the whole system, therefore, the bending tool must have very high precision to ensure that the parameters of each pipe pin after bending meet the specifications.

[0003] The Chinese patent with the authorization announcement number CN221388292U discloses a bending tool including a placing piece, a first bending piece, a fixing piece and a second bending piece, the placing piece has a first placing surface for placing parts, the first bending piece is installed on the first placing surface, the first bending piece has a guide surface for abutting with the parts, the fixing piece is installed on the first placing surface and surrounds the guide surface to form a clamping space for fixing the parts, the second bending piece is arranged on the first placing surface, and the second bending piece slides in the direction close to the first bending piece to cooperate with the first bending piece to bend the parts, the parts are located on the second placing surface by the cooperation of the second bending piece and the first bending piece to bend the parts, and the first bending piece and the second bending piece on the second placing surface bend the parts in other directions, solving the technical problem that the existing bending method is complicated and the accuracy cannot be guaranteed when bending the pipe in different directions.

[0004] However, the above-mentioned scheme cannot disassemble and replace the bending piece when bending the sensor, cannot bend parts of different sizes or shapes, limits the versatility of the tool, increases the cost of adjustment and redesign in the production process, and each bending piece and clamping space needs to be manually adjusted, especially for workpieces of different sizes and shapes, the adjustment workload is large, thereby reducing the production efficiency, so a U type pipe pin bending tool is proposed to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] In order to solve the technical problems that the bending piece cannot be disassembled and replaced when bending the sensor, cannot bend parts of different sizes or shapes, limits the versatility of the tool, and each bending piece and clamping space needs to be manually adjusted, the adjustment workload is large, and the production efficiency is reduced, the present application provides a U type pipe pin bending tool.

[0006] The utility model provides a kind of U-shaped tube pin bending tool, including frame and sensor workpiece, the outer surface of the frame is provided with processing device, the processing device includes forming bottom die, the groove design of the forming bottom die is positioned to the bending angle of sensor workpiece.

[0007] The outer surface of the frame is provided with bending device, the bending device includes bending plate, the lifting of the bending plate is bent to sensor workpiece.

[0008] Preferably, the processing device further includes support frame, and the support frame is fixedly installed on the outer surface of the frame by bolts.

[0009] Through the above technical solution, the support frame and the frame are fixedly installed by bolts, which is convenient to disassemble while being fixed, so as to store it separately subsequently.

[0010] Preferably, the forming bottom die is fixedly installed on the outer surface of the frame by bolts, and the sensor workpiece is placed on the upper surface of the forming bottom die.

[0011] Through the above technical solution, the forming bottom die and the frame are fixedly installed by bolts, which is convenient to replace the forming bottom die while being fixed, so as to bend the current voltage sensor of different product structures in U shape, and the sensor workpiece is placed on the forming bottom die, so that the workpiece can be accurately positioned, avoiding the deviation of the pin bending angle, thereby improving the precision of the product.

[0012] Preferably, the bending device further includes a slide rod, and the slide rod is slidingly inserted into the inner wall of the groove of the support frame.

[0013] Through the above technical solution, the slide rod and the support frame are slidingly connected, which does not affect the lifting while being fixed, so as to drive the sliding plate fixedly installed by bolts to lift.

[0014] Preferably, the outer surface of the slide rod is rotatably connected with a deflection block, the outer surface of the deflection block is rotatably connected with a support block, and the outer surface of the support block is fixedly installed with a handle by bolts.

[0015] Through the above technical solution, the slide rod and the deflection block are rotatably connected, which does not affect the deflection while being fixed, the deflection block and the support block are rotatably connected, which does not affect the deflection while being fixed, and the support block and the handle are fixedly installed by bolts, which is convenient to disassemble while being fixed, so as to improve the flexibility of the device.

[0016] Preferably, the outer surface of the support block is rotatably connected with the inner wall of the groove of the support frame, and the outer surface of the slide rod is fixedly installed with a sliding plate by bolts.

[0017] Through the technical scheme, the supporting block is connected with the supporting frame in rotation, a worker drives the supporting block to deflect in the supporting frame in rotation through the handle, so that the sliding rod is driven to lift in the supporting frame in sliding insertion through the deflection block in rotation and deflection, the sliding rod is fixedly installed with the sliding plate through bolts, and synchronous lifting is realized, so that stability and accuracy in lifting are ensured.

[0018] Preferably, the sliding plate is slidingly sleeved on the outer surface of the frame, and the lower surface of the sliding plate is fixedly installed with the upper surface of the bending plate through bolts.

[0019] Through the technical scheme, the sliding plate is slidingly sleeved on the outer surface of the frame, and the lower surface of the sliding plate is fixedly installed with the upper surface of the bending plate through bolts.

[0020] The beneficial effects in the utility model are as follows:

[0021] 1. The processing device is arranged to limit the bending angle of the sensor workpiece, the supporting frame is fixedly installed with the frame through bolts, the forming bottom die is fixedly installed with the frame through bolts, the forming bottom die can be replaced, the current-voltage sensor of different product structures can be U-bent, the sensor workpiece is placed on the forming bottom die, the workpiece can be accurately positioned, the deviation of the pin bending angle is avoided, the product accuracy is improved, the technical problem that the curved part cannot be replaced and different size or shape parts cannot be bent when the sensor is bent is solved, and the versatility of the tooling is limited, and the cost of adjustment and redesign in the production process is increased.

[0022] 2. The bending device is arranged to bend the sensor workpiece, a worker drives the supporting block to deflect in the supporting frame in rotation through the handle, so that the sliding rod is driven to lift in the supporting frame in sliding insertion through the deflection block in rotation and deflection, the sliding rod is fixedly installed with the sliding plate through bolts, and synchronous lifting is realized, so that stability and accuracy in lifting are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A schematic view of a U-shaped pin bending tooling is provided for the utility model.

[0024] Figure 2A handle structure of a U-shaped pipe pin bending tool is provided.

[0025] Figure 3 A slide plate structure of the U-shaped pipe pin bending tool is provided.

[0026] Figure 4 A sensor workpiece structure of the U-shaped pipe pin bending tool is provided.

[0027] Figure 5 A forming bottom die structure of the U-shaped pipe pin bending tool is provided.

[0028] In the figure: 1, frame; 11, sensor workpiece; 2, support frame; 3, forming bottom die; 4, slide rod; 5, deflection block; 51, support block; 52, handle; 6, slide plate; 7, bending plate. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0030] Referring to Figures 1-5 A U-shaped pipe pin bending tool includes a frame 1 and a sensor workpiece 11. The outer surface of the frame 1 is provided with a processing device. The processing device includes a forming bottom die 3. The recess of the forming bottom die 3 limits the bending angle of the sensor workpiece 11.

[0031] In order to fix the support frame 2, the processing device further includes a support frame 2. The support frame 2 is fixedly installed on the outer surface of the frame 1 by bolts. The support frame 2 and the frame 1 are fixedly installed by bolts. They are fixed at the same time and are convenient to disassemble, so as to be stored separately subsequently.

[0032] In order to avoid the deviation of the pipe pin bending angle, the forming bottom die 3 is fixedly installed on the outer surface of the frame 1 by bolts. The sensor workpiece 11 is placed on the upper surface of the forming bottom die 3. The forming bottom die 3 and the frame 1 are fixedly installed by bolts. They are fixed at the same time and are convenient to replace the forming bottom die 3. The current-voltage sensor of different product structures can be U-shapedly bent. The sensor workpiece 11 is placed on the forming bottom die 3, so that the workpiece can be accurately positioned. The deviation of the pipe pin bending angle is avoided, thereby improving the precision of the product.

[0033] The bending angle of the sensor workpiece 11 is limited by the setting treatment device, the support frame 2 is fixedly installed with the frame 1 through bolts, which is convenient for subsequent separate storage, the forming bottom die 3 is fixedly installed with the frame 1 through bolts, which is convenient for replacement of the forming bottom die 3, the current-voltage sensor of different product structures can be U-shapedly bent, the sensor workpiece 11 is placed on the forming bottom die 3, so that the workpiece can be accurately positioned, the deviation of the pin bending angle is avoided, the precision of the product is improved, and the technical problems that the curved part cannot be disassembled and replaced when the sensor is bent, different sizes or shapes of parts cannot be bent, the universality of the tooling is limited, and the cost of adjustment and redesign in the production process is increased are solved.

[0034] In order to bend the sensor workpiece 11, the outer surface of the frame 1 is provided with a bending device, and the bending device comprises a bending plate 7.

[0035] In order to drive the sliding plate 6 to ascend and descend, the bending device further comprises a sliding rod 4, the sliding rod 4 is slidingly inserted into the inner wall of the groove of the support frame 2, and the sliding rod 4 is fixed while not affecting the ascending and descending of the support frame 2, so as to drive the sliding plate 6 fixedly installed with the sliding rod 4 to ascend and descend.

[0036] In order to improve the flexibility of the device, the outer surface of the sliding rod 4 is rotatably connected with a deflection block 5, the outer surface of the deflection block 5 is rotatably connected with a support block 51, the outer surface of the support block 51 is fixedly installed with a handle 52 through bolts, the sliding rod 4 is rotatably connected with the deflection block 5, and the deflection block 5 is fixed while not affecting the deflection of the support block 51, the support block 51 is rotatably connected with the deflection block 5, and the deflection block 5 is fixed while not affecting the deflection of the support block 51, the support block 51 and the handle 52 are fixedly installed through bolts, and the support block 51 is convenient to disassemble while being fixed, so as to improve the flexibility of the device.

[0037] In order to drive the sliding rod 4 to ascend and descend, the outer surface of the support block 51 is rotatably connected with the inner wall of the groove of the support frame 2, and the outer surface of the sliding rod 4 is fixedly installed with the sliding plate 6 through bolts, the support block 51 is rotatably connected with the support frame 2, the staff drives the support block 51 to deflect in the rotatably connected support frame 2 through the handle 52, so as to drive the sliding rod 4 to ascend and descend in the slidingly inserted support frame 2 through the rotatably deflected deflection block 5, since the sliding rod 4 and the sliding plate 6 are fixedly installed through bolts, the sliding rod 4 is driven to ascend and descend synchronously, so as to ensure the stability and accuracy in the ascending and descending process.

[0038] In order to fix the bending plate 7 while facilitating disassembly, the sliding plate 6 is slidingly sleeved on the outer surface of the frame 1, the lower surface of the sliding plate 6 is fixedly installed with the upper surface of the bending plate 7 through bolts, the sliding plate 6 is slidingly sleeved with the frame 1, supporting the same while not affecting the lifting, the sliding plate 6 is fixedly installed with the bending plate 7 through bolts, fixing the same while facilitating disassembly, so as to replace the current-voltage sensor of different product structures.

[0039] By setting the bending device, the sensor workpiece 11 is bent, the staff drives the supporting block 51 to deflect in the rotatingly connected supporting frame 2 through the handle 52, so as to drive the sliding rod 4 to lift in the slidingly inserted supporting frame 2 through the deflection block 5 of the rotating deflection, since the sliding rod 4 is fixedly installed with the sliding plate 6 through bolts, driving the same to lift on the slidingly sleeved frame 1, the sliding plate 6 is fixedly installed with the bending plate 7 through bolts, synchronously lifting the same while facilitating disassembly, so as to replace the current-voltage sensor of different product structures, solving the technical problem that each bending piece and clamping space needs to be manually adjusted when the sensor is bent, especially for workpieces of different sizes and shapes, the adjustment workload is large, thereby reducing the production efficiency.

[0040] Working principle: when the sensor workpiece 11 needs to be bent, the staff places the sensor workpiece 11 in the groove of the forming bottom die 3, the staff holds the handle 52 to deflect, driving the supporting block 51 fixedly installed with the handle 52 to deflect on the rotatingly connected supporting frame 2, the deflection of the supporting block 51 drives the sliding rod 4 rotatingly connected with the deflection block 5 to lift on the slidingly inserted supporting frame 2, the lifting action of the sliding rod 4 drives the sliding plate 6 fixedly installed with the sliding rod 4 to lift on the slidingly sleeved frame 1, further synchronously driving the bending plate 7 fixedly installed with the sliding plate 6 to lift, finally making the bending plate 7 accurately bend the sensor workpiece 11.

[0041] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the technical field according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application makes equivalent replacement or change, which should be covered in the protection scope of the present application.

Claims

1. A U-shaped pin bending fixture, comprising a frame (1) and a sensor workpiece (11), characterized in that: The outer surface of the frame (1) is provided with a processing device, the processing device including a forming bottom mold (3), the groove design of the forming bottom mold (3) limits the bending angle of the sensor workpiece (11); The outer surface of the frame (1) is provided with a bending device, which includes a bending plate (7). The bending plate (7) bends the sensor workpiece (11) by lifting and lowering.

2. The U-shaped pipe bender fixture according to claim 1, characterized in that: The processing device also includes a support frame (2), which is fixedly installed on the outer surface of the frame (1) by bolts.

3. The U-shaped pipe bending fixture according to claim 2, characterized in that: The forming bottom mold (3) is fixedly installed on the outer surface of the frame (1) by bolts, and the sensor workpiece (11) is placed on the upper surface of the forming bottom mold (3).

4. The U-shaped pipe bender fixture according to claim 3, characterized in that: The bending device also includes a slide rod (4), which is slidably inserted into the inner wall of the groove of the support frame (2).

5. The U-shaped pipe bender fixture according to claim 4, characterized in that: The outer surface of the slide bar (4) is rotatably connected to a deflection block (5), the outer surface of the deflection block (5) is rotatably connected to a support block (51), and the outer surface of the support block (51) is fixedly mounted with a handle (52) by bolts.

6. The U-shaped pipe bender fixture according to claim 5, characterized in that: The outer surface of the support block (51) is rotatably connected to the inner wall of the groove of the support frame (2), and the outer surface of the slide rod (4) is fixedly mounted with a slide plate (6) by bolts.

7. The U-shaped pipe bender fixture according to claim 6, characterized in that: The slide plate (6) is slidably sleeved on the outer surface of the frame (1), and the lower surface of the slide plate (6) is fixedly installed to the upper surface of the bending plate (7) by bolts.

Citation Information

Patent Citations

  • Bending tool

    CN221388292U