CN-224222419-U - Manual pipe bending device

CN224222419UCN 224222419 UCN224222419 UCN 224222419UCN-224222419-U

Abstract

The utility model provides a manual pipe bending device, and aims to solve the technical problem that the physical properties of metal pipes are damaged when the angle of a pipe bending device is too small. The manual pipe bending device comprises an operation table, a supporting wheel, a pressing rod, a supporting rod, a pressing wheel and a positioning wheel. The supporting wheel is arranged on the operating platform, the pressure bar is rotationally arranged on the supporting wheel, the supporting bar is rotationally arranged on the pressure bar, the pressing wheel is arranged on the supporting bar, and the positioning wheel is arranged on the operating platform. During operation, the pipe is placed between the positioning wheel and the supporting wheel, the two pressing wheels are pressed on the side part of the pipe, then the pressing rod is manually driven to rotate around the axis of the supporting wheel, so that the two pressing wheels apply pressure to two point positions on the pipe simultaneously, the stress points on the side part of the pipe are dispersed, the problem of dead bending or wrinkling is avoided, and the physical properties of the pipe are protected from being damaged.

Inventors

Ren Zhanglong
SONG ZHIMIN
Jia Zihong
LI AICHENG
FENG KAI
YUAN HONGLIN

Assignees

内蒙古通威硅能源有限公司

Dates

Publication Date: 20260512
Application Date: 20250604

Claims (10)

1. A manual pipe bending apparatus, comprising: the top surface of the operating platform is a working surface with a planar structure; The supporting wheel is of a round structure and is fixedly arranged on the working surface; One end of the compression bar is rotationally arranged on the supporting wheel, and the rotation axis of the compression bar is collinear with the axis of the supporting wheel; the middle part of the support rod is rotationally connected with the middle part of the compression rod; the two pinch rollers are respectively and rotatably arranged at two ends of the supporting rod; The locating wheel is arranged on the working surface, and a space exists between the locating wheel and the wheel surface of the supporting wheel.
2. The manual pipe bending apparatus according to claim 1, further comprising: the lantern rings can be sleeved on the supporting wheels; the support rod is arranged on the pressure rod in a sliding mode, and the positioning wheel is movably arranged on the working face.
3. The manual pipe bending apparatus according to claim 2, wherein: the lantern ring is of a C-shaped structure; the working surface is provided with a positioning groove, and a positioning block can be placed in the positioning groove; the positioning block can be positioned in the notch of the lantern ring.
4. A manual pipe bending apparatus according to claim 3, wherein said collars have at least two inner diameters, both of said collars having an inner diameter equal to the outer diameter of said support wheel, one of said collars having an outer diameter greater than the outer diameter of the other collar.
5. A manual pipe bending apparatus according to claim 3, wherein there are at least two collars, one of which has an inner diameter equal to the outer diameter of the support wheel and an outer diameter equal to the inner diameter of the other collar.
6. The manual pipe bending device according to claim 4 or 5, wherein the middle part of the supporting rod is rotatably arranged on a supporting shaft, the supporting shaft is slidably arranged on the pressing rod, and a limiting structure is arranged between the supporting shaft and the pressing rod.
7. The manual pipe bending apparatus according to claim 6, wherein: The compression bar is provided with a first chute along the length direction, the middle part of the support shaft is provided with a through hole, and the outer diameter of the support shaft is larger than the width of the first chute; the limit structure comprises: The first bolt passes through the through hole on the support shaft and the first chute on the compression bar, one end of the first bolt is of a hexagonal head structure, and the hexagonal head and the support shaft are respectively positioned at two sides of the compression bar; and the first nut is matched with the first bolt, and the first nut is contacted with the end part of the supporting shaft.
8. The manual pipe bending device according to claim 4 or 5, wherein the working surface is provided with a second chute, the positioning wheel is slidably arranged in the second chute, and a positioning structure is arranged between the positioning wheel and the second chute.
9. The manual pipe bending apparatus according to claim 8, wherein: the second chute runs through the operation panel, the location structure includes: the second bolt is arranged on the positioning wheel and penetrates through the second sliding groove; And the second nut is matched with the second bolt and is positioned at the bottom of the operating platform.
10. The manual pipe bending apparatus according to claim 9, wherein the positioning wheel is rotatably connected to the second bolt.

Description

Manual pipe bending device Technical Field The utility model relates to the technical field of pipe fitting machining, in particular to a manual pipe bending device. Background The manual pipe bender is a manual tool for processing a metal straight pipe into a bent pipe, and is widely applied to the fields of mechanical manufacture, construction, chemical engineering construction and the like, and is used for bending and forming the pipe through manual operation without electric power or other power sources. At present, the manual pipe bender is limited to the influence of pipe diameter, when the angle of the bent pipe is too small, the bent pipe is dead bent and wrinkled, and the physical properties of the metal pipe are damaged, for example, when a medium is moved, the circulation capacity of the pipe can be reduced, and the leakage risk is caused. Disclosure of utility model Aiming at the technical problem that the physical properties of metal pipes are damaged when the angle of the existing pipe bender is too small, the utility model provides the manual pipe bender, which is provided with two pinch rollers to disperse stress points on the side parts of the pipes, so that the problem of dead bending or wrinkling is avoided, and the physical properties of the pipes are protected from being damaged. The technical scheme of the utility model is as follows: A manual pipe bending apparatus comprising: the top surface of the operating platform is a working surface with a planar structure; The supporting wheel is of a round structure and is fixedly arranged on the working surface; One end of the compression bar is rotationally arranged on the supporting wheel, and the rotation axis of the compression bar is collinear with the axis of the supporting wheel; the middle part of the support rod is rotationally connected with the middle part of the compression rod; the two pinch rollers are respectively and rotatably arranged at two ends of the supporting rod; The locating wheel is arranged on the working surface, and a space exists between the locating wheel and the wheel surface of the supporting wheel. Optionally, the method further comprises: the lantern rings can be sleeved on the supporting wheels; the support rod is arranged on the pressure rod in a sliding mode, and the positioning wheel is movably arranged on the working face. Optionally, the collar is of a C-shaped configuration; the working surface is provided with a positioning groove, and a positioning block can be placed in the positioning groove; the positioning block can be positioned in the notch of the lantern ring. Optionally, the number of the collars is at least two, the inner diameters of the two collars are equal to the outer diameter of the supporting wheel, and the outer diameter of one collar is larger than the outer diameter of the other collar. Optionally, the number of the collars is at least two, wherein one collar has an inner diameter equal to the outer diameter of the support wheel and the other collar has an outer diameter equal to the inner diameter of the other collar. Optionally, the middle part of bracing piece rotates and locates on a back shaft, the back shaft slides and locates on the depression bar, the back shaft with be equipped with limit structure between the depression bar. Optionally, a first chute is arranged on the compression bar along the length direction of the compression bar, a through hole is arranged in the middle of the support shaft, and the outer diameter of the support shaft is larger than the width of the first chute; the limit structure comprises: The first bolt passes through the through hole on the support shaft and the first chute on the compression bar, one end of the first bolt is of a hexagonal head structure, and the hexagonal head and the support shaft are respectively positioned at two sides of the compression bar; and the first nut is matched with the first bolt, and the first nut is contacted with the end part of the supporting shaft. Optionally, a second chute is arranged on the working surface, the positioning wheel is slidably arranged in the second chute, and a positioning structure is arranged between the positioning wheel and the second chute. Optionally, the second chute penetrates through the operation table, and the positioning structure includes: the second bolt is arranged on the positioning wheel and penetrates through the second sliding groove; And the second nut is matched with the second bolt and is positioned at the bottom of the operating platform. Optionally, the positioning wheel is rotatably connected with the second bolt. Compared with the prior art, the utility model has the beneficial effects that: During operation, the pipe is placed between the positioning wheel and the supporting wheel, the two pressing wheels are pressed on the side part of the pipe, then the pressing rod is manually driven to rotate around the axis of the supporting wheel, so that the two pressing wh