CN110918708A - Manual elbow pipe forming device - Google Patents
Manual elbow pipe forming device Download PDFInfo
- Publication number
- CN110918708A CN110918708A CN201911241123.3A CN201911241123A CN110918708A CN 110918708 A CN110918708 A CN 110918708A CN 201911241123 A CN201911241123 A CN 201911241123A CN 110918708 A CN110918708 A CN 110918708A
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- shaped mounting
- wheel
- fixed wheel
- guide
- bent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a manual pipe bending forming device which comprises a workbench, a screw rod, a fixed wheel, a pushing assembly and a stop lever, wherein the screw rod is vertically fixed on the workbench, the fixed wheel is in a round table structure, a plurality of first limiting grooves are formed in the round table side surface of the fixed wheel, the fixed wheel is coaxially sleeved on the screw rod, the pushing assembly comprises a U-shaped mounting frame and a guide wheel, the end parts of two support arms of the U-shaped mounting frame are sleeved on the screw rod and hinged with the screw rod, first guide holes are formed in the two support arms of the U-shaped mounting frame, the two first guide holes are coaxial, two ends of a vertical shaft vertically penetrate through the first guide holes in the two support arms of the U-shaped mounting frame and then are locked, the guide wheel is rotatably mounted in the middle of the vertical shaft, a second limiting groove is formed in the circumferential outer. The bending tool is simple in structure and convenient and fast to operate, can be used for manufacturing various bent pipes by the same bending tool, is wide in application range, and can greatly reduce the production cost of enterprises.
Description
Technical Field
The invention relates to the technical field of steel pipe processing, in particular to a manual elbow forming device.
Background
In some production processes, bending operations of steel pipes are often involved, a large-scale hydraulic or pneumatic pipe bender is generally used for bending operations of large-scale steel pipes, and a manual bending tool is generally used for bending operations of small-scale steel pipes to avoid waste of funds. Various manual bending tools appear in the market at present, the manual bending tools are complex in structure and single in application range, the same bending tool can only bend one type of bent pipe with one radius, and the bent pipes with different radii can not be bent, so that different bending tools need to be matched for replacement and use in production aiming at different radii of changed pipes, each bending tool needs to be specially made according to the size of a steel pipe needing to be bent, the production cost is greatly increased, inconvenience is brought to production, and the bending efficiency of various different steel pipes is seriously influenced.
Disclosure of Invention
The invention aims to provide a manual elbow forming device.
The technical scheme for realizing the purpose of the invention is as follows: a manual pipe bending forming device comprises a workbench, a screw, a fixed wheel, a pushing assembly and a stop lever, wherein the screw is vertically fixed on the workbench, the fixed wheel is of a round platform structure, a plurality of first limit grooves are formed in the side surface of the round platform of the fixed wheel along the axial direction of the fixed wheel, the fixed wheel is coaxially sleeved on the screw and is fastened with the screw in a threaded fit manner, the pushing assembly comprises a U-shaped mounting rack and a guide wheel, the end parts of two support arms of the U-shaped mounting rack are rotatably sleeved on the screw, the fixed wheel is positioned between the two ends of the U-shaped mounting rack, two support arms of the U-shaped mounting rack are respectively provided with a first guide hole which is vertically communicated and is along the radial direction of the screw, the two first guide holes are coaxial, the two ends of a vertical shaft vertically penetrate through the first guide holes in the two support arms of the U-shaped mounting rack and then, the stop lever is vertically fixed on the workbench and one side of the fixed wheel, during work, a straight pipe to be bent penetrates between the guide wheel and the fixed wheel and is clamped in the second limiting groove of the guide wheel and the first limiting groove of the fixed wheel at the same height, and the stop lever and the guide wheel are respectively positioned on two sides of the straight pipe to be bent.
Further, the width between the two support arms of the U-shaped mounting frame is not less than twice of the height of the fixed wheel. This setting can make arbitrary first spacing groove on the tight pulley all can remove to the same height with the second spacing groove of guide pulley and bend the operation.
Furthermore, a wrench is fixed on the U-shaped mounting frame. This setting can make things convenient for the promotion of U type mounting bracket.
Furthermore, the workbench is also provided with a second guide hole, and the stop lever vertically penetrates through the second guide hole of the workbench and then is locked with the workbench through a nut. The arrangement can enable the position of the stop lever to be adjustable, so that the stop lever can be located at a better position when steel pipes with different widths are bent.
Before the manual bent pipe forming device works, the fixed wheel is rotated according to the bending radius of a bent pipe to be bent, so that the fixed wheel moves along the axial direction of the screw rod, a first limiting groove with the radius consistent with the bending radius of the bent pipe to be bent is moved to the same height as a second limiting groove on the guide wheel, and meanwhile, the position of the vertical shaft relative to the fixed wheel is adjusted along the first guide hole, so that the horizontal distance between the guide wheel and the fixed wheel at the same height is consistent with the width of a straight pipe to be bent; during operation, a straight pipe to be bent passes through the space between the guide wheel and the fixed wheel, the straight pipe to be bent is clamped in the second limiting groove of the guide wheel and the first limiting groove of the fixed wheel at the same height, the stop lever and the guide wheel are respectively positioned on two sides of the straight pipe to be bent, then the U-shaped mounting frame is pushed, the guide wheel on the U-shaped mounting frame is enabled to rotate and move along the screw rod, the straight pipe to be bent is pressed in the process that the guide wheel rotates and moves along the screw rod, and the straight pipe to be bent is bent along the outer peripheral edge of the guide. According to the manual bent pipe forming device, the straight pipe to be bent is bent along the outer periphery of the guide wheel to form the bent pipe, and the bending radius of the bent pipe depends on the radius of the guide wheel. The invention has simple structure and convenient operation, can realize the manufacture of a plurality of different bent pipes by the same bent pipe forming device, has wide application range and can greatly reduce the production cost of enterprises.
Drawings
FIG. 1 is a schematic perspective view of a manual pipe bending apparatus according to the present invention;
fig. 2 is a schematic sectional view taken along line a-a of fig. 1.
Detailed Description
The following describes in detail a specific embodiment of the manual pipe bending apparatus according to the present invention with reference to the accompanying drawings:
as shown in fig. 1 and 2, a manual pipe bending device includes a workbench 10, a screw 1, a fixed wheel 2, a pushing assembly 3 and a stop lever 4, the screw 1 is vertically fixed on the workbench 10, the fixed wheel 2 is a circular truncated cone structure, a plurality of first limit grooves 21 are axially arranged on the circular truncated cone side surface of the fixed wheel 2, the fixed wheel 2 is coaxially sleeved on the screw 1 and is fastened with the screw 1 in a threaded fit manner, the pushing assembly 3 includes a U-shaped mounting frame 31 and a guide wheel 32, the end parts of two arms 311 of the U-shaped mounting frame 31 are rotatably sleeved on the screw 1, the fixed wheel 2 is positioned between two ends of the U-shaped mounting frame 31, two arms 311 of the U-shaped mounting frame 31 are respectively provided with a first guide hole 312 which vertically penetrates and runs along the radial direction of the screw 1, the two first guide holes 312 are coaxial, two ends of a vertical shaft 313 vertically penetrate through the first guide holes 312 on the two arms 311 of the U-shaped mounting frame, the guide wheel 32 is rotatably mounted in the middle of the vertical shaft 313, a second limiting groove 321 is formed in the circumferential outer surface of the guide wheel 32, the stop lever 4 is vertically fixed to the workbench 10 and one side of the fixed wheel 2, during operation, a straight pipe to be bent penetrates between the guide wheel 32 and the fixed wheel 2 and is clamped between the second limiting groove 321 of the guide wheel 32 and the first limiting groove 21 of the fixed wheel 2 at the same height, and the stop lever 4 and the guide wheel 32 are respectively located on two sides of the straight pipe to be bent.
Before the manual elbow forming device works, the fixed wheel 2 is rotated according to the bending radius of the elbow to be bent, so that the fixed wheel moves along the axial direction of the screw rod 1, the first limiting groove 21 with the radius consistent with the bending radius of the elbow to be bent is moved to the same height with the second limiting groove 321 on the guide wheel 32, and meanwhile, the position of the vertical shaft 313 relative to the fixed wheel 2 is adjusted along the first guide hole 312, so that the horizontal distance between the guide wheel 32 and the fixed wheel 2 at the same height is consistent with the width of the straight pipe to be bent; during operation, a straight pipe to be bent passes through the space between the guide wheel 32 and the fixed wheel 2, the straight pipe to be bent is clamped between the second limiting groove 321 of the guide wheel 32 and the first limiting groove 21 of the fixed wheel 2 at the same height, the stop rod 4 and the guide wheel 32 are respectively positioned at two sides of the straight pipe to be bent, then the U-shaped mounting frame 31 is pushed, the guide wheel 32 on the U-shaped mounting frame is enabled to rotate and move along the screw rod 1, the straight pipe to be bent is pressed in the process that the guide wheel 32 rotates and moves along the screw rod 1, and the straight pipe to be bent is bent along the outer peripheral edge of the guide wheel.
According to the manual bent pipe forming device, the straight pipe to be bent is bent along the outer periphery of the guide wheel 32 to form the bent pipe, and the bending radius of the bent pipe depends on the radius of the guide wheel 32, so that the fixed wheel 2 in the circular truncated cone structure is in threaded fit with the screw 1, the fixed wheel 2 in the circular truncated cone structure can move axially along the screw 1, the radius of the horizontal plane at the same height of the guide wheel 32 and the fixed wheel 2 is adjusted, and the bending radius of the bent pipe formed by bending is changed. The invention has simple structure and convenient operation, can realize the manufacture of a plurality of different bent pipes by the same bent pipe forming device, has wide application range and can greatly reduce the production cost of enterprises.
According to the manual pipe bending forming device, the vertical shaft 313 of the guide wheel 32 is fixed on the manual pipe bending forming device, two ends of the vertical shaft are vertically locked with the U-shaped mounting rack 31 through nuts after penetrating through the first guide holes 312 on the two support arms 311 of the U-shaped mounting rack, the horizontal distance between the guide wheel 32 and the fixed wheel 2 at the same height is adjustable, and therefore more steel pipes with different widths can be bent by the bending tool.
According to the manual pipe bending forming device, the guide wheel 32 can be rotatably sleeved on the vertical shaft 313, when the pipe is bent, the guide wheel 32 and a straight pipe to be bent are in rolling friction, the friction force is small, and the surface of the steel pipe cannot be scratched.
According to the manual pipe bending forming device, the first limiting groove 21 arranged on the fixed wheel 2 and the second limiting groove 321 arranged on the guide wheel 32 can effectively avoid the pressure deformation of the steel pipe.
According to the manual bent pipe forming device, the guide wheel 32 and the screw rod 1 have certain fastening force, when the bent pipe is bent, the straight pipe to be bent is pressed and attached to the periphery of the fixed wheel 2 through the guide wheel 32, the steel pipe does not move relative to the fixed wheel 2, and the fixed wheel 2 is not subjected to the centripetal force from the steel pipe, so that the guide wheel 32 cannot rotate in the bending process after moving and fixing along the screw rod 1. Of course, in the present invention, nuts threaded on the screw 1 may be disposed on both sides of the fixed wheel 2 to enhance the locking of the fixed wheel 2.
According to the manual pipe bending forming device, during bending, the stop lever 4 and the guide wheel 32 are respectively positioned on two sides of a straight pipe to be bent, and the stop lever 4 can play a lever role in the process of bending the steel pipe. According to the invention, the stop lever 4 can be directly fixed on the workbench 10, and the stop lever 4 can be arranged at a position which only meets the requirement that the straight pipe to be bent can be arranged between the guide wheel 32 and the fixed wheel 2 and between the stop lever 4 and the guide wheel 32.
In the manual pipe bending apparatus of the present invention, preferably, the width between the two arms 311 of the U-shaped mounting bracket 31 is not less than twice the height of the fixed wheel 2. With this arrangement, any first limiting groove 21 on the fixed wheel 2 can be moved to the same height as the second limiting groove 321 of the guide wheel 32 for bending operation.
In the manual elbow forming device of the present invention, preferably, a wrench 314 is fixed to the U-shaped mounting bracket 31. This arrangement can facilitate the pushing of the U-shaped mounting bracket 31.
In the manual pipe bending apparatus of the present invention, preferably, the worktable 10 is further provided with a second guide hole 101, and the stop lever 4 vertically penetrates through the second guide hole 101 of the worktable 10 and then is locked with the worktable 10 by a nut. The arrangement can enable the position of the stop lever 4 to be adjustable, so that the stop lever 4 can be located at a better position when steel pipes with different widths are bent.
In the manual pipe bending forming device, when in bending, in order to avoid holding the straight pipe to be bent by hands, step blocks can be arranged on two sides of the U-shaped mounting frame 31, the straight pipe to be bent is arranged on the step blocks, and the straight pipe to be bent arranged on the step blocks has the same height with the guide wheel 32.
In the manual pipe bending device, the ends of the two arms 311 of the U-shaped mounting rack 31 are rotatably sleeved with the screw 1 through bearings or in a clearance movable manner.
For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all should be considered as belonging to the protection scope of the invention.
Claims (4)
1. A manual pipe bending device is characterized in that: the device comprises a workbench, a screw, a fixed wheel, a pushing assembly and a stop lever, wherein the screw is vertically fixed on the workbench, the fixed wheel is of a round platform structure, the side surface of the round platform of the fixed wheel is provided with a plurality of first limiting grooves along the axial direction, the fixed wheel is coaxially sleeved on the screw and is fastened with the screw in a threaded fit manner, the pushing assembly comprises a U-shaped mounting rack and a guide wheel, the end parts of two arms of the U-shaped mounting rack are rotatably sleeved on the screw, the fixed wheel is positioned between the two ends of the U-shaped mounting rack, two support arms of the U-shaped mounting rack are respectively provided with a first guide hole which is vertically communicated and moves along the radial direction of the screw, the two first guide holes are coaxial, two ends of a vertical shaft vertically penetrate through the first guide holes on the two arms of the U-shaped mounting rack and are locked with the U-shaped mounting rack through nuts, one side of the fixed wheel, during operation, the straight pipe to be bent penetrates between the guide wheel and the fixed wheel and is clamped in the second limiting groove of the guide wheel and the first limiting groove of the fixed wheel at the same height, and the stop lever and the guide wheel are respectively positioned on two sides of the straight pipe to be bent.
2. The manual pipe bending apparatus according to claim 1, wherein: the width between the two support arms of the U-shaped mounting rack is not less than twice of the height of the fixed wheel.
3. The manual pipe bending apparatus according to claim 1, wherein: a wrench is fixed on the U-shaped mounting frame.
4. The manual pipe bending apparatus according to claim 1, wherein: the workbench is also provided with a second guide hole, and the stop lever vertically penetrates through the second guide hole of the workbench and then is locked with the workbench through a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911241123.3A CN110918708A (en) | 2019-12-06 | 2019-12-06 | Manual elbow pipe forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911241123.3A CN110918708A (en) | 2019-12-06 | 2019-12-06 | Manual elbow pipe forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110918708A true CN110918708A (en) | 2020-03-27 |
Family
ID=69858172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911241123.3A Withdrawn CN110918708A (en) | 2019-12-06 | 2019-12-06 | Manual elbow pipe forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110918708A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742922A (en) * | 2020-12-20 | 2021-05-04 | 吴亚西 | Conveying and bending all-in-one machine for aluminum alloy section |
| CN112792174A (en) * | 2020-12-22 | 2021-05-14 | 浙江翊蓝铝业有限公司 | Aluminum pipe processing pipe bending machine |
| WO2022156357A1 (en) * | 2021-01-25 | 2022-07-28 | 浙江大学 | Bending-diameter-adjustable bending die device suitable for multiple pipes in one die |
| CN116727507A (en) * | 2023-08-14 | 2023-09-12 | 诸城恒业机械有限公司 | Pipe bending machine for machining mechanical parts |
-
2019
- 2019-12-06 CN CN201911241123.3A patent/CN110918708A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742922A (en) * | 2020-12-20 | 2021-05-04 | 吴亚西 | Conveying and bending all-in-one machine for aluminum alloy section |
| CN112792174A (en) * | 2020-12-22 | 2021-05-14 | 浙江翊蓝铝业有限公司 | Aluminum pipe processing pipe bending machine |
| CN112792174B (en) * | 2020-12-22 | 2023-01-10 | 浙江翊蓝铝业有限公司 | Aluminum pipe processing pipe bending machine |
| WO2022156357A1 (en) * | 2021-01-25 | 2022-07-28 | 浙江大学 | Bending-diameter-adjustable bending die device suitable for multiple pipes in one die |
| CN116727507A (en) * | 2023-08-14 | 2023-09-12 | 诸城恒业机械有限公司 | Pipe bending machine for machining mechanical parts |
| CN116727507B (en) * | 2023-08-14 | 2023-10-20 | 诸城恒业机械有限公司 | Pipe bending machine for machining mechanical parts |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200327 |
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| WW01 | Invention patent application withdrawn after publication |