Metal material arc-shaped bending tool

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By designing a metal material arc bending tool and utilizing a combination of a clamping part and a rotating part, the problem of difficult traditional manual knocking operations is solved, and efficient arc bending forming and size control of metal materials are achieved.

CN223440782UActive Publication Date: 2025-10-17SEPCOIII ELECTRIC POWER CONSTR CO LTD

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Patent Information

Application Number: CN202422982558.6
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-12-04
Publication Date: 2025-10-17
Estimated Expiration: 2034-12-04

AI Technical Summary

Technical Problem

In the prior art, when metal materials are bent into an arc shape at a construction site, the traditional manual hammering method is difficult to operate and results in large deviations in the formed dimensions. There is a lack of bending tools with a simple structure and easy operation.

Method used

A metal material arc bending tool is designed, which includes a clamping part and a rotating part. Different bending radii can be achieved by adjusting the roller ring size of the clamping part. Combined with the vise operation, the arc bending of the metal material is achieved by using the rotating shaft and the limit device of the rotating part.

Benefits of technology

It realizes efficient arc bending forming of metal materials, has good forming effect and simple operation, improves the working efficiency of on-site workers, and ensures the regularity of processing dimensions.

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Abstract

The utility model relates to the technical field of material processing, and provides a metal material arc bending tool which comprises a clamping part and a rotating part, the clamping part comprises a roller ring, a rotating shaft sleeve, a first positioning plate and a positioning piece, the first positioning plate and the rotating shaft sleeve are located in the roller ring, and the first positioning plate is connected with the roller ring and the rotating shaft sleeve; the positioning piece is connected with the side wall of the roller ring and located outside the roller ring. The rotating part comprises a rotating shaft, a rocker arm and a limiting device, and the rotating shaft is arranged at the bottom of the rocker arm and connected with the rotating shaft sleeve; the rocker arm is further provided with a limiting device, and the limiting device is located above the roller ring. The arc-shaped bending device is suitable for being matched with a bench clamp for operation, can conduct arc-shaped bending operation on metal materials, and is good in forming effect. Arc machining of different bending radiuses can be carried out on metal materials by adjusting the size of the roller ring of the clamping part, the adaptability is high, the structure is simple, operation is convenient, and the working efficiency of field workers can be effectively improved.

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Description

TECHNICAL FIELD

[0001] The utility model belongs to material processing technical field, specifically relates to a kind of metal material arc bending tool. BACKGROUND

[0002] In construction production, arc bending operation is often carried out on metal materials, and workers often use the method of knocking the material to be bent on a cylindrical object due to the limitation of construction site conditions. The traditional manual knocking operation is difficult to operate, and the material forming size deviation is large. Therefore, there is a lack of a tool with simple structure, convenient operation and suitable for arc bending of metal materials on the market. UTILITY MODEL CONTENTS

[0003] To solve the problems in the prior art, the utility model provides a metal material arc bending tool, which can realize arc bending operation on metal materials, has good forming effect, and can adjust the bending radius of metal materials by adjusting the size of the roller of the clamping part. The utility model has the advantages of simple structure, convenient operation and safety and reliability.

[0004] The utility model adopts the following technical solutions.

[0005] A metal material arc bending tool includes a clamping part and a rotating part. The clamping part includes a roller, a shaft sleeve, a first positioning plate and a positioning member. The first positioning plate and the shaft sleeve are located inside the roller, and the first positioning plate is connected with the roller and the shaft sleeve. The positioning member is connected with the side wall of the roller and located outside the roller.

[0006] The rotating part includes a rotating shaft, a rocker arm and a limiting device. The bottom of the rocker arm is provided with a rotating shaft, and the rotating shaft is connected with the shaft sleeve. The limiting device is also provided on the rocker arm and located above the roller.

[0007] The material to be bent is placed on the roller, and the end of the shaft sleeve away from the rocker arm is connected with the bench vice.

[0008] Further, the shaft sleeve includes a bearing and a sleeve. The bearing is arranged at both ends of the sleeve, and the outer diameter of the bearing is adapted to the inner diameter of the sleeve.

[0009] The outer ring of the bearing is connected with the sleeve by welding.

[0010] Further, the rotating shaft includes a shaft and an annular baffle. The shaft penetrates the annular baffle and is inserted into the bearing.

[0011] The shaft is a round steel structure, the outer diameter of the shaft is adapted to the inner diameter of the bearing, and the shaft is connected with the annular baffle by welding. The annular baffle is a ring-shaped metal plate, the inner ring radius of the annular baffle is adapted to the outer diameter of the shaft, and the outer ring radius is slightly larger than the outer diameter of the sleeve.

[0012] Further, the distance between the rocker arm and the annular baffle is not less than 30mm;

[0013] The length of the rotating shaft located on the side of the annular baffle away from the rocker arm is slightly greater than the length of the rotating shaft sleeve.

[0014] Further, the first positioning plate is a strip-shaped steel plate, two ends of which are welded with the roller, and one side is welded with the rotating shaft sleeve, so that the central axis of the rotating shaft sleeve coincides with the central axis of the roller.

[0015] Further, the positioning member comprises a positioning nut, a positioning bolt and a second positioning plate, the positioning nut is welded on the two side walls of the roller, one end of the positioning bolt is connected with the positioning nut, and the other end is connected with the second positioning plate.

[0016] Further, the second positioning plate is a strip-shaped steel plate, and the two ends of the second positioning plate are provided with openings for connecting the positioning bolt, the size of the opening is adapted to the size of the positioning bolt.

[0017] The second positioning plate is fastened on the outside of the roller by the positioning bolt.

[0018] Further, the limiting device comprises a roller shaft, a sliding sleeve and a butterfly bolt.

[0019] The sliding sleeve is sleeved on the outside of the rocker arm, the inner diameter of the sliding sleeve is adapted to the outer diameter of the rocker arm, one end of the sliding sleeve is connected with the roller shaft, and the other end is connected with the butterfly bolt.

[0020] Further, the roller shaft is a round steel structure, and the rocker arm and the sliding sleeve are square steel pipe structures.

[0021] The limiting device further comprises a limiting nut, and the sliding sleeve is provided with an opening for connecting the butterfly bolt, and the limiting nut is welded at the opening.

[0022] Further, the metal material arc bending tool further comprises a rocking handle, which is arranged on the end of the rocker arm away from the rotating shaft.

[0023] Compared with the prior art, the metal material arc bending tool has the following advantages:

[0024] 1. The metal material arc bending tool is suitable for cooperation with a bench vice, can realize arc bending operation on metal materials, and has good forming effect.

[0025] 2. The metal material arc bending tool has simple structure and convenient operation, can effectively improve the work efficiency of workers on site, and ensure the size of the processed metal materials.

[0026] 3. The metal material arc bending tool can realize arc processing of metal materials with different bending radii by adjusting the size of the roller of the clamping part, and has high applicability. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme of the present application, the drawings required to be used in the description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the premise of the drawings.

[0028] Fig. 1 It is a structural schematic diagram of the present application;

[0029] Fig. 2 It is a structural schematic diagram of the clamping part of the present application;

[0030] Fig. 3 It is a structural schematic diagram of the rotating part of the present application.

[0031] Mark 1-roller, 2-rotating shaft sleeve, 2.1-bearing, 2.2-sleeve, 3-first positioning plate, 4-positioning piece, 4.1-positioning nut, 4.2-positioning bolt, 4.3-second positioning plate, 5-rotating shaft, 5.1-rotating shaft, 5.2-ring baffle, 6-rocker arm, 7-limiting device, 7.1-roller shaft, 7.2-sliding sleeve, 7.3-limiting nut, 7.4-butterfly bolt, 8-handle, 9-material to be bent, 10-vise. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the present application more clear, the technical scheme of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. The embodiments described in the present application are only some embodiments of the present application, not all embodiments. Based on the spirit of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0033] As Figs. 1-3 shown, the present application provides a metal material arc bending tool, which comprises a clamping part and a rotating part, wherein the clamping part comprises a roller 1, a rotating shaft sleeve 2, a first positioning plate 3 and a positioning piece 4; the rotating part comprises a rotating shaft 5, a rocker arm 6, a limiting device 7 and a handle 8. The material to be bent 9 is arranged on the roller 1, and the end of the rotating shaft sleeve 2 away from the rocker arm 6 is connected with a vise 10.

[0034] The roller 1 is a circular steel tube structure, the radius of which determines the bending arc radius of the metal material, and the length of the roller 1 along the central axis is slightly greater than the width of the material to be bent 9; the rotating shaft sleeve 2 is composed of a sleeve 2.2 and bearings 2.1 distributed at both ends of the sleeve, wherein the outer diameter of the bearing 2.1 is adapted to the inner diameter of the sleeve 2.2, and the outer ring of the bearing 2.1 is welded to the sleeve 2.2; the first positioning plate 3 is a strip-shaped steel plate located inside the roller 1 and welded to the roller 1 and the rotating shaft sleeve 2 respectively, so that the central axis of the rotating shaft sleeve 2 coincides with the central axis of the roller 1. The positioning member 4 is composed of positioning nuts 4.1, positioning bolts 4.2 and a second positioning plate 4.3, wherein the positioning nuts 4.1 are two and welded to the two sides of the side wall of the roller 1 respectively; the positioning bolts 4.2 are two and used in conjunction with the positioning nuts 4.1; the second positioning plate 4.3 is a strip-shaped steel plate with holes at both ends, the size of which is adapted to the positioning bolts 4.2, and the second positioning plate 4.3 can be fastened to the outside of the roller 1 by tightening the positioning bolts 4.2. The rotating shaft 5 is composed of a rotating shaft 5.1 and a ring-shaped baffle 5.2, the rotating shaft 5.1 is a round steel structure, the outer diameter of which is adapted to the inner diameter of the bearing 2.1 in the rotating shaft sleeve 2, and the rotating shaft 5.1 can be inserted into the bearing 2.1 and rotate smoothly under the action of the bearing 2.1. The ring-shaped baffle 5.2 is a ring-shaped metal plate, the inner diameter of which is adapted to the outer diameter of the rotating shaft 5.1, and the outer diameter is slightly larger than the outer diameter of the sleeve 2.2; the rotating shaft 5.1 is perpendicular to the ring-shaped baffle 5.2 and is welded to it; the side of the ring-shaped baffle 5.2 is not less than 30mm away from the rocker arm 6, and the length of the rotating shaft 5.1 on the side of the ring-shaped baffle 5.2 away from the rocker arm 6 is slightly greater than the length of the rotating shaft sleeve 2. The rocker arm 6 is a square steel tube structure, one end of the rocker arm 6 is welded to the rotating shaft 5.1, and the other end is connected to the handle 8, which is arranged on the end of the rocker arm 6 away from the rotating shaft 5. The limiting device 7 is composed of a roller shaft 7.1, a sliding sleeve 7.2, a limiting nut 7.3 and a butterfly bolt 7.4, wherein the roller shaft 7.1 is a round steel structure with a length slightly greater than the length of the roller 1 along the central axis; the sliding sleeve 7.2 is a square steel tube structure with an inner diameter adapted to the outer diameter of the rocker arm 6, and the length of the sliding sleeve 7.2 is not less than 50mm; the sliding sleeve 7.2 has a hole in the center of one side, the hole diameter is slightly larger than the outer diameter of the butterfly bolt 7.4, and the roller shaft 7.1 is perpendicular to the side corresponding to the hole; the limiting nut 7.3 is welded to the hole part of the sliding sleeve 7.2 and used in conjunction with the butterfly bolt 7.4.

[0035] The utility model discloses a working principle: the utility model is suitable for cooperating operation with bench vice 10, when using, the bench vice 10 is used to clamp the pivot sleeve pipe 2 of clamping part, and the positioning bolt 4.2 in positioning piece is loosened simultaneously, at this moment, the one end of the metal material to be processed is placed between the second positioning plate 4.3 and the roll 1, and the positioning bolt 4.2 is immediately tightened, then the rotating shaft 5 of rotating part is inserted into the pivot sleeve pipe 2, the butterfly bolt 7.4 is loosened, the position of limiting device 7 is adjusted, the roll shaft 7.1 is placed on the material to be bent 9, then the butterfly bolt 7.4 is tightened, and the position of limiting device 7 is fixed relative to the rocker arm 6, at this moment, the handle 8 is held tightly, and the rotating part rotates with the rotating shaft 5 as the axis, at this moment, the metal material is extruded due to the roll shaft 7.1, and the arc bending is generated around the roll 1, so that the effect that the metal material is arc bent is achieved.

[0036] The utility model discloses the beneficial effect lies in, compared with prior art, can realize arc bending operation to metal material, and the forming effect is better, and the arc processing of different bending radius can be realized to metal material through the adjustment clamping part roll size, and the structure is simple, and the operation is convenient, can effectively improve the work efficiency of on -the -spot worker, and the applicability is high.

[0037] Finally, it should be noted that the above examples are used to illustrate the technical solutions of the utility model, but not to limit them. Although the utility model has been described in detail with reference to the above examples, those skilled in the art should understand that the specific embodiments of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the utility model. Any modification or equivalent replacement that does not depart from the spirit and scope of the utility model should be covered in the protection scope of the claims of the utility model.

Claims

1. A metal material arc bending tool, comprising a clamping portion and a rotating portion, characterized in that: The clamping portion comprises a roller ring (1), a rotating shaft sleeve (2), a first positioning plate (3) and a positioning member (4); the first positioning plate (3) and the rotating shaft sleeve (2) are located inside the roller ring (1), and the first positioning plate (3) is connected to the roller ring (1) and the rotating shaft sleeve (2); the positioning member (4) is connected to the side wall of the roller ring (1) and is located outside the roller ring (1); The rotating part includes a rotating shaft (5), a rocker arm (6) and a limiting device (7). The bottom of the rocker arm (6) is provided with a rotating shaft (5), and the rotating shaft (5) is connected to the rotating shaft sleeve (2). The rocker arm (6) is also provided with a limiting device (7), and the limiting device (7) is located above the roller ring (1). The material (9) to be bent is placed on the roller ring (1), and the end of the rotating shaft sleeve (2) away from the rocker arm (6) is connected to the vise (10).

2. A metal material arc bending tool according to claim 1, characterized in that: The rotating shaft sleeve (2) comprises a bearing (2.1) and a sleeve (2.2), the bearing (2.1) being arranged at both ends of the sleeve (2.2), and the outer diameter of the bearing (2.1) being adapted to the inner diameter of the sleeve (2.2); The outer ring of the bearing (2.1) and the sleeve (2.2) are connected by welding.

3. The arc-shaped bending tool for metal materials according to claim 2, characterized in that: The rotating shaft (5) comprises a rotating shaft (5.1) and an annular baffle (5.2), and the rotating shaft (5.1) passes through the annular baffle (5.2) and is inserted into the bearing (2.1); The rotating shaft (5.1) is a round steel structure, the outer diameter of the rotating shaft (5.1) is adapted to the inner diameter of the bearing (2.1), and the rotating shaft (5.1) is connected to the annular baffle (5.2) by welding; the annular baffle (5.2) is an annular metal plate, the inner ring radius of the annular baffle (5.2) is adapted to the outer diameter of the rotating shaft (5.1), and the outer ring radius is slightly larger than the outer diameter of the sleeve (2.2).

4. The arc-bending tool for metal materials according to claim 3, characterized in that: The distance between the rocker arm (6) and the annular baffle (5.2) is not less than 30 mm; The length of the rotating shaft (5.1) located on the side of the annular baffle (5.2) away from the rocker arm (6) is slightly greater than the length of the rotating shaft sleeve (2).

5. The arc-shaped bending tool for metal materials according to claim 1, characterized in that: The first positioning plate (3) is a strip-shaped steel plate, both ends of which are welded to the roller ring (1), and one side of which is welded to the rotating shaft sleeve (2), so that the central axis of the rotating shaft sleeve (2) coincides with the central axis of the roller ring (1).

6. The arc-bending tool for metal materials according to claim 1, characterized in that: The positioning member (4) comprises a positioning nut (4.1), a positioning bolt (4.2) and a second positioning plate (4.3). There are two positioning nuts (4.1), which are respectively welded to the two side walls of the roller ring (1). One end of the positioning bolt (4.2) is connected to the positioning nut (4.1), and the other end is connected to the second positioning plate (4.3).

7. The arc-shaped bending tool for metal materials according to claim 6, characterized in that: The second positioning plate (4.3) is a strip-shaped steel plate, and openings for connecting positioning bolts (4.2) are provided at both ends of the second positioning plate (4.3), and the size of the openings is adapted to the positioning bolts (4.2); Tighten the positioning bolts (4.2) to fasten the second positioning plate (4.3) to the outside of the roller ring (1).

8. The arc-bending tool for metal materials according to claim 1, characterized in that: The limiting device (7) comprises a roller shaft (7.1), a sliding sleeve (7.2) and a butterfly bolt (7.4); The sliding sleeve (7.2) is sleeved on the outside of the rocker arm (6), and the inner diameter of the sliding sleeve (7.2) is adapted to the outer diameter of the rocker arm (6); one end of the sliding sleeve (7.2) is connected to the roller shaft (7.1), and the other end is connected to the butterfly bolt (7.4).

9. The arc-shaped bending tool for metal materials according to claim 8, characterized in that: The roller shaft (7.1) is a round steel structure, and the rocker arm (6) and the sliding sleeve (7.2) are square steel tube structures; The limiting device (7) further comprises a limiting nut (7.3); an opening for connecting a butterfly bolt (7.4) is provided on the sliding sleeve (7.2); and the limiting nut (7.3) is welded to the opening.

10. The arc-bending tool for metal materials according to claim 1, characterized in that: The metal material arc bending tool further comprises a crank handle (8), which is arranged on an end of the rocker arm (6) away from the rotating shaft (5).