Pipe straightening clamp

Abstract

The utility model relates to a pipe straightening clamp which comprises a base. The operation assembly comprises an adjusting head, and the operation assembly is arranged on the base in a sliding mode; the positioning assembly comprises a positioning seat, a fixed end body and a chuck, the positioning seat is fixedly arranged on the base, the fixed end body is arranged on the side, facing the adjusting head, of the positioning seat, the fixed end body is provided with a mounting cavity, the chuck is detachably arranged in the mounting cavity, and the chuck is detachably arranged on the side, facing the adjusting head, of the positioning seat. And the chuck is provided with a contact part capable of clamping the pipe part. According to the pipe straightening clamp, the chuck can be detached and replaced, and the pipe straightening precision is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to auxiliary fixture technical field, especially is involved in pipe straightening fixture. BACKGROUND

[0002] In the pipe processing, pipe is easy to bend because of its material and structural characteristics, so it needs to be straightened by tooling fixture. Usually, the pipe needs to be firmly fixed during straightening to ensure its dimensional accuracy and operating efficiency. However, the existing fixing method usually uses clamping jaw to clamp the pipe.

[0003] With the increase of use time, the surface of the clamping jaw in contact with the pipe will gradually wear, causing the clamping force and accuracy of the clamping jaw to decrease. This wear not only affects the fixing accuracy of the clamping jaw on the pipe, but also may cause the pipe to loosen, resulting in the pipe being unable to maintain stability during straightening, ultimately affecting the dimensional accuracy of straightening. SUMMARY

[0004] Therefore, it is necessary to provide a pipe straightening fixture with detachable and replaceable clamping head to ensure the straightening accuracy of the pipe.

[0005] A pipe straightening fixture, comprising:

[0006] a base;

[0007] an operating assembly comprising an adjusting head, the operating assembly being slidingly arranged on the base; and

[0008] a positioning assembly comprising a positioning seat, a fixed end body and a clamping head, the positioning seat being fixedly arranged on the base, the fixed end body being arranged on a side of the positioning seat facing the adjusting head, the fixed end body having a mounting cavity, the clamping head being detachably arranged in the mounting cavity, and the clamping head having a contact portion capable of clamping a portion of the pipe.

[0009] The pipe straightening fixture can clamp a portion of the pipe made of alloy material (such as aluminum alloy) with low hardness by the contact portion of the clamping head, and the adjusting head can press against the bent part of the pipe by sliding the operating assembly, thereby forming a straightening operation. After pressing and straightening, whether it meets the standard can be measured by an angle ruler. Since the clamping head is detachably arranged in the mounting cavity of the fixed end body, the clamping head can be replaced quickly when the contact portion of the clamping head is worn, thereby ensuring the straightening accuracy of the pipe.

[0010] In one embodiment, the base is provided with a sliding groove along the length direction, the operating assembly further comprises an operating slider, the operating slider is slidingly connected with the sliding groove, and the adjusting head is arranged on the operating slider.

[0011] In one of the embodiments, the operation assembly further comprises a first mounting plate, which is detachably connected to one side of the operation slider by screws, and the adjusting head is mounted on the side of the first mounting plate away from the operation slider.

[0012] In one of the embodiments, the adjusting head comprises a cylindrical body and a circular truncated cone-shaped abutting end head provided with the top of the body, and the small end of the abutting end head can press against the bent part of the pipe.

[0013] In one of the embodiments, the fixed end body is provided with a V-shaped opening, the mounting cavity comprises a first cavity and a second cavity provided on the two side walls of the opening at an angle respectively, and the clamp head comprises a first clamp body detachably provided in the first cavity and a second clamp body detachably provided in the second cavity.

[0014] In one of the embodiments, the cross section of the first cavity is T-shaped, the cross section of the first clamp body is H-shaped, one end of the first clamp body is slidingly provided in the first cavity, and the other end of the first clamp body is located outside the opening.

[0015] In one of the embodiments, the cross section of the second cavity is T-shaped, the cross section of the second clamp body is H-shaped, one end of the second clamp body is slidingly provided in the second cavity, and the other end of the second clamp body is located outside the opening.

[0016] In one of the embodiments, the fixed end body and the clamp head are provided with two, the two fixed end bodies are spaced apart on the positioning seat in a direction perpendicular to the sliding direction of the operation assembly, and one clamp head is detachably connected to one fixed end body.

[0017] In one of the embodiments, the positioning assembly further comprises a second mounting plate, which is detachably provided on the side of the positioning seat facing the adjusting head by screws, and the two fixed end bodies are slidingly provided on the second mounting plate.

[0018] In one of the embodiments, the second mounting plate is provided with a T-shaped groove, the fixed end body is provided with a T-shaped flange protruding, and the T-shaped flange and the T-shaped groove are slidingly matched. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a structural schematic view of one embodiment of the pipe straightening clamp of the utility model;

[0020] Fig. 2 It is a mounting structural schematic view of the pipe straightening clamp and the pipe of the utility model;

[0021] Fig. 3The utility model discloses a structure schematic drawing of one embodiment of positioning assembly.

[0022] In the drawings, the component list that each sign represents is as follows:

[0023] 100, pipe straightening clamp, 1, base, 11, sliding groove, 2, operating assembly, 21, adjusting head, 22, operating slider, 23, first mounting plate, 24, cylinder head, 3, positioning assembly, 31, positioning seat, 32, fixed end body, 321, installation cavity, 3211, first cavity, 3212, second cavity, 322, opening, 323, T-shaped flange, 33, chuck, 331, contact part, 332, first clamping body, 333, second clamping body, 34, second mounting plate, 341, T-shaped slot, 200, pipe. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, clear and comprehensible, the specific embodiments of the utility model are described below in connection with the drawings. Obviously, the following specific details described are only part of the embodiments of the utility model, and the utility model can be realized in many other embodiments different from the description. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are used for illustrative purposes only and are not intended to be limiting.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

[0027] Please refer to Figs. 1 to 3In an embodiment, a pipe straightening clamp 100 comprises a base 1, an operating assembly 2 and a positioning assembly 3. The operating assembly 2 comprises an adjusting head 21, and is slidably arranged on one side of the base 1. The positioning assembly 3 comprises a positioning seat 31, a fixed end body 32 and a clamp head 33. The positioning seat 31 is fixedly arranged on the other side of the base 1, the fixed end body 32 is arranged on the side of the positioning seat 31 facing the adjusting head 21, the fixed end body 32 has a mounting cavity 321, and the clamp head 33 is detachably arranged in the mounting cavity 321, and the clamp head 33 has a contact portion 331 capable of clamping a part of the pipe 200.

[0028] The pipe straightening clamp 100 can clamp a part of the pipe 200 made of an alloy material (such as aluminum alloy) with low hardness by the contact portion 331 of the clamp head 33, the operating assembly 2 can control the sliding by hand or drive the adjusting head 21 to press against the bent part of the pipe 200 by setting a gas cylinder, so as to form a straightening operation, and the straightening after pressing can be measured by an angle ruler to determine whether it meets the standard. Since the clamp head 33 is detachably arranged in the mounting cavity 321 of the fixed end body 32, when the contact portion 331 of the clamp head 33 is worn, the clamp head 33 can be quickly replaced in time, so as to ensure the straightening accuracy of the pipe 200.

[0029] Please refer to Fig. 2 In an embodiment in which the operating assembly 2 is slidably arranged, the base 1 is provided with a sliding groove 11 along the length direction. The operating assembly 2 further comprises an operating slide 22, the bottom of the operating slide 22 is slidably connected with the sliding groove 11 by setting a protrusion, and the adjusting head 21 is mounted on the operating slide 22.

[0030] Further, in order to ensure the detachability of the adjusting head 21, the operating assembly 2 further comprises a first mounting plate 23, the first mounting plate 23 is detachably connected with one side of the operating slide 22 by a screw, and the adjusting head 21 is threadedly mounted on the side of the first mounting plate 23 away from the operating slide 22.

[0031] In an embodiment of the adjusting head 21, the adjusting head 21 comprises a cylindrical body and a circular truncated cone-shaped abutting end head provided on the top of the body, and the small head end of the abutting end head can press against the bent part of the pipe 200. Further, a cylindrical head 24 can be threadedly connected in the small head end of the abutting end head.

[0032] Please refer to Fig. 3 In another embodiment, the fixed end body 32 is provided with a V-shaped opening 322, the mounting cavity 321 comprises a first cavity 3211 and a second cavity 3212 arranged at an angle on the two side walls of the opening 322 respectively. The clamp head 33 comprises a first clamp body 332 detachably arranged in the first cavity 3211 and a second clamp body 333 detachably arranged in the second cavity 3212, and the contact portion 331 capable of clamping a part of the pipe 200 is formed by the cooperation of the first clamp body 332 and the second clamp body 333.

[0033] Further, the first clamping body 332 is slidingly arranged in the first cavity 3211, and the second clamping body 333 is slidingly arranged in the second cavity 3212. Specifically, the first cavity 3211 has a T-shaped cross section, the first clamping body 332 has an I-shaped cross section, one end of the first clamping body 332 is slidingly arranged in the first cavity 3211, and the other end of the first clamping body 332 is located outside the opening 322 of the fixed end body 32. The second cavity 3212 has a T-shaped cross section, the second clamping body 333 has an I-shaped cross section, one end of the second clamping body 333 is slidingly arranged in the second cavity 3212, and the other end of the second clamping body 333 is located outside the opening 322 of the fixed end body 32. The first clamping body 332 and the first cavity 3211 can be quickly and detachably arranged, and the second clamping body 333 and the second cavity 3212 can be quickly and detachably arranged.

[0034] In consideration of the case that the pipe 200 is too long, two fixed end bodies 32 are arranged, the two fixed end bodies 32 are spaced apart along the width direction of the base 1, and one clamping head 33 is detachably connected with one fixed end body 32, so that the pipe 200 can be stably clamped and positioned at two positions.

[0035] The positioning assembly 3 further comprises a second mounting plate 34, the second mounting plate 34 is detachably arranged on one side of the positioning seat 31 facing the adjusting head 21 through a screw, and the two fixed end bodies 32 are slidingly arranged on the second mounting plate 34. According to the positioning needs of the pipe 200, the positions of the two fixed end bodies 32 can be slidingly adjusted, that is, the clamping positions of the two clamping heads 33 on the pipe 200 can be adjusted.

[0036] In an embodiment, the second mounting plate 34 is provided with a T-shaped groove 341, and the fixed end body 32 is provided with a T-shaped flange 323 protruding therefrom, and the T-shaped flange 323 is slidingly matched with the T-shaped groove 341.

[0037] The technical features of the above-described embodiments can be combined in any manner. In order to make the description simple, all possible combinations of the technical features in the above-described embodiments are not described, but as long as the combinations of the technical features do not contradict, they should be considered as the scope of the description.

[0038] The above-described embodiments only express several embodiments of the present application, the description is more specific and detailed, but it should not be understood as a limitation on the scope of the patent. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications, substitutions and improvements can be made, which should be covered within the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the claims.

Claims

1. A pipe straightening clamp characterized by, The utility model relates to a pipe bending device, which comprises: a base; an operating assembly comprising an adjusting head, the operating assembly being slidingly arranged on the base; and a positioning assembly comprising a positioning seat, a fixed end body and a chuck, the positioning seat being fixedly arranged on the base, the fixed end body being arranged on a side of the positioning seat facing the adjusting head, the fixed end body having a mounting cavity, the chuck being detachably arranged in the mounting cavity, and the chuck having a contact portion capable of clamping a pipe portion. The base is provided with a sliding groove along the length direction, the operating assembly further comprises an operating slider, the operating slider being in sliding connection with the sliding groove, and the adjusting head is arranged on the operating slider.

2. The pipe straightening clamp of claim 1, wherein, The operating assembly further comprises a first mounting plate, the first mounting plate being detachably connected to a side of the operating slider by means of screws, and the adjusting head is arranged on a side of the first mounting plate away from the operating slider.

3. The pipe straightening clamp of claim 2, wherein, The adjusting head comprises a cylindrical body and a circular truncated cone-shaped abutting end head provided with a body top, and a small end of the abutting end head is capable of pressing against a pipe bending portion.

4. The pipe straightening clamp of claim 1, wherein, The fixed end body is provided with a V-shaped opening, the mounting cavity comprises a first cavity and a second cavity arranged at an angle on two side walls of the opening respectively, and the chuck comprises a first clamping body detachably arranged in the first cavity and a second clamping body detachably arranged in the second cavity.

5. The pipe straightening clamp of claim 1, wherein, The first cavity has a T-shaped cross section, the first clamping body has an H-shaped cross section, one end of the first clamping body is slidingly arranged in the first cavity, and the other end of the first clamping body is located outside the opening.

6. The pipe straightening clamp of claim 5, wherein, The second cavity has a T-shaped cross section, the second clamping body has an H-shaped cross section, one end of the second clamping body is slidingly arranged in the second cavity, and the other end of the second clamping body is located outside the opening.

7. The pipe straightening clamp of claim 5, wherein, The fixed end body and the chuck are provided with two, the two fixed end bodies are arranged at intervals on the positioning seat in a direction perpendicular to the sliding direction of the operating assembly, and one chuck is detachably connected with one fixed end body.

8. The pipe straightening clamp of claim 1, wherein, The positioning assembly further comprises a second mounting plate, the second mounting plate being detachably arranged on a side of the positioning seat facing the adjusting head by means of screws, and the two fixed end bodies are slidingly arranged on the second mounting plate.

9. The pipe straightening clamp of claim 8, wherein, The second mounting plate is provided with a T-shaped groove, the fixed end body is provided with a T-shaped flange protruding, and the T-shaped flange is in sliding cooperation with the T-shaped groove.

10. The pipe straightening clamp of claim 9, wherein, ​

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