CN113426863A

CN113426863A - Pipe bending tool

Info

Publication number: CN113426863A
Application number: CN202110730213.XA
Authority: CN
Inventors: 段永发
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-09-24

Abstract

The invention provides a pipe bending tool, which relates to the technical field of bending tools and comprises a fixed wheel and a connecting piece, wherein a groove is formed in the arc surface of the fixed wheel, the surface of the fixed wheel is rotatably connected with a wheel shaft A, the two ends of the wheel shaft A are provided with the connecting piece, the two sides of the inner wall of the connecting piece are fixedly connected with the two ends of the wheel shaft A, a wheel shaft B is fixedly arranged on the surface of the connecting piece, the arc surface of the wheel shaft B is rotatably connected with a movable concave wheel, the arc surface of the movable concave wheel is movably connected with the fixed wheel, a handle is welded on the upper surface of the connecting piece, and a supporting plate is fixedly arranged on the surface of the fixed wheel. The invention solves the problems that when the traditional pipe bending device is used, two persons need to hold the operating handles to extrude the long concave plate, and the pushing and pulling are carried out transversely, so that not only is a large force needed, but also the repeated extrusion is needed, so that the traditional pipe bending device not only consumes a large amount of manpower, but also has low pipe bending efficiency.

Description

Pipe bending tool

Technical Field

The invention relates to the technical field of bending tools, in particular to a pipe bending tool.

Background

The bending tool is an apparatus for bending a pipe, is generally applied to the fields of machine manufacturing and repair, furniture manufacturing, electric vehicles, motorcycles, automobile manufacturing and the like, is an important tool for bending the pipe, and is common in daily life.

The existing pipe bending device is generally composed of a fixed concave wheel, a mandrel, a long concave plate, a pressing block, an operation handle and other structures, when the traditional pipe bending device is used, two persons are required to hold the operation handle to extrude the long concave plate, and transverse pushing and pulling are carried out, so that not only is great force required, but also repeated extrusion is required, and the traditional pipe bending device not only consumes a large amount of manpower, but also has lower pipe bending efficiency.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, when a traditional pipe bending device is used, two persons need to hold an operating handle to extrude a long concave plate, and transverse pushing and pulling are carried out, so that not only is a large force required, but also repeated extrusion is required, and the traditional pipe bending device not only consumes a large amount of manpower, but also has low pipe bending efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme: the pipe bending tool comprises a fixed wheel and a connecting piece, wherein a groove is formed in the arc surface of the fixed wheel, a wheel shaft A is connected to the surface of the fixed wheel in a rotating mode, the connecting piece is arranged at two ends of the wheel shaft A, two sides of the inner wall of the connecting piece are fixedly connected with two ends of the wheel shaft A, a wheel shaft B is fixedly arranged on the surface of the connecting piece, a movable concave wheel is connected to the arc surface of the wheel shaft B in a rotating mode, the arc surface of the movable concave wheel is movably connected with the fixed wheel, a handle is welded to the upper surface of the connecting piece, a supporting plate is welded to the surface of the fixed wheel, and fixed square steel is welded to the surface of the fixed wheel.

Preferably, the surface welding of fixed square steel has the gusset plate, the one end and the backup pad fixed connection of fixed square steel are kept away from to the gusset plate, the surface threaded connection of backup pad has pipe fixed screw A and pipe fixed screw B, the arc surface threaded connection of pipe fixed screw B has the baffle.

Preferably, one end of the supporting plate, which is far away from the fixed wheel, is provided with a size positioning plate, and the size positioning plate is fixedly arranged on the surface of the supporting plate by means of a fastening screw.

Preferably, the surface of the supporting plate is fixedly connected with a baffle, and the cross section of the baffle is L-shaped.

Preferably, one end of the handle, which is far away from the connecting piece, is fixedly connected with a grip, and the size of the grip is larger than that of the handle.

Preferably, the arc surface of the handle is sleeved with an anti-slip sleeve, and the arc surface of the anti-slip sleeve is uniformly provided with anti-slip grooves.

Compared with the prior art, the invention has the advantages and positive effects that,

in the invention, by arranging the connecting piece, when a round pipe needs to be bent, the fixed wheel is firstly placed on the processing table, and the fixed square steel is clamped by virtue of a vice on the table surface of the processing table, so that the effect of fixing the fixed wheel on the processing table is achieved, then the fastening screw is unscrewed, the size positioning plate with a specific size is placed at a corresponding position, then the fastening screw is tightened, the effect of fixing the size positioning plate is achieved, then sand is filled into the pipe, the pipe filled with sand inside penetrates through a gap between the fixed wheel and the movable concave wheel and is placed between the partition plate and the support plate, the pipe is moved and slides, when one end of the pipe moves to be in contact with the size positioning plate, the pipe is stopped to be pushed, the bolt on the surface of the partition plate is tightened, the partition plate fixes the pipe on the surface of the support plate, and the size positioning plate has the effect of facilitating a processing person to position the pipe, then holding the handle, the antiskid sleeve on the surface of the handle plays a role in increasing the friction force on the surface of the handle, the handle is held from top to bottom, the handle drives the handle to move, the handle drives the connecting piece to rotate at the moment, the connecting piece rotates on the surface of the fixed wheel by means of the wheel shaft A, the connecting piece drives the movable concave wheel to slide along the arc surface of the fixed wheel when rotating, the movable concave wheel and the fixed wheel bend the pipe, finally, the bolt on the surface of the partition board is unscrewed, the pipe is drawn out from the space between the partition board and the supporting plate and is drawn out from the gap between the fixed wheel and the movable concave wheel, through the arrangement of the device, the effect that an operator can independently and rapidly bend the pipe is achieved, two-time bending and one-time bending are needed for two-person operation of the old type bending tool, only one-time bending is needed for one-person operation of the bending tool, six-seven, thereby improving the working efficiency of operators, saving labor force and further improving the practicability of the bending appliance.

Drawings

FIG. 1 is a schematic perspective view of a pipe bending tool according to the present invention;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1 illustrating bending of a tube in accordance with the present invention;

FIG. 3 is a schematic view of the right side of FIG. 2 illustrating the tube bending apparatus according to the present invention;

FIG. 4 is a left side view of FIG. 1 illustrating the present invention;

FIG. 5 is a partial schematic view of the support plate of FIG. 1 in a tube bending apparatus according to the present invention.

Illustration of the drawings: 1. a fixed wheel; 2. an axle A; 3. a connecting member; 4. a wheel axle B; 5. a movable concave wheel; 6. A handle; 7. a support plate; 8. fixing square steel; 9. a reinforcing plate; 10. a partition plate; 11. a dimension positioning plate; 12. Fastening screws; 13. a baffle plate; 14. a grip; 15. a pipe fixing screw A; 16. and a pipe fixing screw B.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 5, the present invention provides a pipe bending tool, including a fixed wheel 1 and a connector 3, wherein a groove is formed on an arc surface of the fixed wheel 1, a wheel axle a2 is rotatably connected to a surface of the fixed wheel 1, and the connector 3 is disposed at two ends of the wheel axle a 2.

As shown in fig. 2 and 3, two sides of the inner wall of the connecting piece 3 are fixedly connected with two ends of a wheel axle a2, a wheel axle B4 is fixedly mounted on the surface of the connecting piece 3, a movable concave wheel 5 is rotatably connected with the arc surface of the wheel axle B4, the arc surface of the movable concave wheel 5 is movably connected with the fixed wheel 1, a handle 6 is welded on the upper surface of the connecting piece 3, a support plate 7 is fixedly mounted on the surface of the fixed wheel 1, a fixed square steel 8 is welded on the surface of the fixed wheel 1, a reinforcing plate 9 is welded on the surface of the fixed square steel 8, one end of the reinforcing plate 9 far away from the fixed square steel 8 is fixedly connected with the support plate 7, a pipe fixing screw a15 and a pipe fixing screw B16 are connected on the surface of the support plate 7 by screw thread, a partition plate 10 is connected on the arc surface of the pipe fixing screw B16, a size positioning plate 11 is mounted on one end of the support plate 7 far away from the fixed wheel 1, the size positioning plate 11 is fixedly mounted on the surface of the support plate 7 by means of a fastening screw 12, the surface of the supporting plate 7 is fixedly connected with a baffle 13, the cross section of the baffle 13 is L-shaped, one end of the handle 6 far away from the connecting piece 3 is fixedly connected with a handle 14, the size of the handle 14 is larger than that of the handle 6, an anti-slip sleeve is sleeved on the arc surface of the handle 14, and anti-slip grooves are uniformly formed in the arc surface of the anti-slip sleeve.

The whole device achieves the effect that by arranging the connecting piece 3, when a round pipe needs to be bent, the fixed wheel 1 is firstly placed on a processing table, and the fixed square steel 8 is clamped by a vice on the table surface of the processing table, so that the effect of fixing the fixed wheel 1 on the processing table is achieved, then the fastening screw 12 is unscrewed, the size positioning plate 11 with a specific size is placed at a corresponding position, then the fastening screw 12 is screwed, the effect of fixing the size positioning plate 11 is achieved, then sand is filled into the pipe, then the pipe filled with the sand inside passes through the gap between the fixed wheel 1 and the movable concave wheel 5 and is placed between the partition plate 10 and the support plate 7, the pipe is moved and slides, when one end of the pipe moves to be in contact with the size positioning plate 11, the pipe is stopped to be pushed, the bolt on the surface of the partition plate 10 is screwed, so that the partition plate 10 fixes the pipe on the surface of the support plate 7, the size positioning plate 11 has the effect of conveniently positioning the position of the pipe by a processing worker, then the handle 14 is held, the anti-skid sleeve on the surface of the handle 14 has the effect of increasing the surface friction force of the handle 14, the handle 14 is held from top to bottom, the handle 6 is driven by the handle 14 to move, the handle 6 can drive the connecting piece 3 to rotate at the moment, the connecting piece 3 rotates on the surface of the fixed wheel 1 by virtue of the wheel shaft A2, the movable concave wheel 5 is driven to slide along the arc surface of the fixed wheel 1 when the connecting piece 3 rotates, the pipe is bent by the movable concave wheel 5 and the fixed wheel 1, finally, the bolt on the surface of the partition plate 10 is unscrewed, the pipe is pulled out from the space between the partition plate 10 and the supporting plate 7 and is pulled out from the space between the fixed wheel 1 and the movable concave wheel 5, by arranging the device, the effect that the operating worker can independently and quickly bend the pipe is achieved, two-person operation, the bending tool can be bent only by one person in one second, and the bending tool needs to be bent for six to seven seconds in total, so that the efficiency can be improved by about fifteen times, the working efficiency of operators is improved, the labor force is saved, and the practicability of the bending tool is improved.

Bent pipe mode	When bending the pipe
		Use this device	6 to 7 seconds
By means of original pipe-bending devices	2 minutes

The table above is the comparison of the time required by the pipe bending device and the time required by the existing pipe bending device.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. Pipe bending utensil, including tight pulley (1) and connecting piece (3), the arc surface of tight pulley (1) is seted up flutedly, its characterized in that: the surface of the fixed wheel (1) is rotatably connected with a wheel shaft A (2), connecting pieces (3) are arranged at two ends of the wheel shaft A (2), two sides of the inner wall of each connecting piece (3) are fixedly connected with two ends of the wheel shaft A (2), a wheel shaft B (4) is fixedly arranged on the surface of each connecting piece (3), an arc surface of each wheel shaft B (4) is rotatably connected with a movable concave wheel (5), the arc surface of each movable concave wheel (5) is movably connected with the fixed wheel (1), a handle (6) is welded on the upper surface of each connecting piece (3), a supporting plate (7) is fixedly arranged on the surface of each fixed wheel (1), and fixed square steel (8) is welded on the surface of each fixed wheel (1).

2. The pipe bender according to claim 1, wherein: the surface welding of fixed square steel (8) has gusset plate (9), the one end and backup pad (7) fixed connection of fixed square steel (8) are kept away from in gusset plate (9), the surperficial threaded connection of backup pad (7) has pipe fixed screw A (15) and pipe fixed screw B (16), the arc surface threaded connection of pipe fixed screw B (16) has baffle (10).

3. The pipe bender according to claim 1, wherein: one end, far away from the fixed wheel (1), of the supporting plate (7) is provided with a size positioning plate (11), and the size positioning plate (11) is fixedly arranged on the surface of the supporting plate (7) through a fastening screw (12).

4. The pipe bender according to claim 1, wherein: the surface of the supporting plate (7) is fixedly connected with a baffle (13), and the cross section of the baffle (13) is L-shaped.

5. The pipe bender according to claim 1, wherein: one end of the handle (6) far away from the connecting piece (3) is fixedly connected with a grip (14), and the size of the grip (14) is larger than that of the handle (6).

6. The pipe bender according to claim 5, wherein: the arc surface of the handle (14) is sleeved with an anti-slip sleeve, and the arc surface of the anti-slip sleeve is uniformly provided with anti-slip grooves.