CN108856387B - Pipe bending tool - Google Patents
Pipe bending tool Download PDFInfo
- Publication number
- CN108856387B CN108856387B CN201810792828.3A CN201810792828A CN108856387B CN 108856387 B CN108856387 B CN 108856387B CN 201810792828 A CN201810792828 A CN 201810792828A CN 108856387 B CN108856387 B CN 108856387B
- Authority
- CN
- China
- Prior art keywords
- sliding
- positioning
- cavity
- block
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005452 bending Methods 0.000 title claims abstract description 30
- 239000007788 liquid Substances 0.000 claims description 18
- 239000010687 lubricating oil Substances 0.000 claims description 13
- 238000001125 extrusion Methods 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 3
- 238000012797 qualification Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/18—Lubricating, e.g. lubricating tool and workpiece simultaneously
-
- 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
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
- B21D7/167—Greasing
-
- 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
- B21D9/00—Bending tubes using mandrels or the like
-
- 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
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/16—Auxiliary equipment, e.g. machines for filling tubes with sand
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to the technical field of pipeline processing, and particularly discloses a pipe bending tool, which comprises a processing table, wherein a positioning table and an adjusting block are arranged on the processing table, and a placing channel for placing a pipe is formed between the adjusting block and the positioning table; the number of the adjusting blocks is two, and the two adjusting blocks are both in sliding connection with the processing table; the lower part of the adjusting block is provided with a positioning hole; the end part of the adjusting block is provided with an arc-shaped groove; the positioning table is provided with a sliding hole, a sliding block is connected in the sliding hole in a sliding way, and a spring is fixed between the sliding block and the wall of the sliding hole; a sliding cavity and a positioning cavity are arranged in the processing table, and a positioning column used for being inserted into the positioning hole is connected in a sliding manner in the positioning cavity; two ends of the sliding cavity are respectively communicated with the sliding hole and the positioning cavity; the sliding cavity is internally connected with a push rod in a sliding way, and two ends of the push rod are bent and respectively fixed with the sliding block and the positioning column. The technical scheme solves the problem that when two ends of a pipe are bent in the prior art, the distance between two bending parts is difficult to control, so that the qualification rate of the bent pipe is reduced.
Description
Technical Field
The invention relates to the technical field of pipeline processing, in particular to a pipe bending tool.
Background
The bent pipe is an indispensable component in the system and has the characteristics of no dead angle and easy cleaning. The bending treatment of the two ends of the pipe fitting is finished by processing in a pipe bending machine, and the pipe bending machine generally consists of a wheel die, a clamping die, a guide die, a core rod and other components; in the process of bending the pipe, the core rod is only required to be inserted from one end to be bent, and then the one end to be bent is put into the clamping die; the worker holds the other end of the steel pipe, and bends the steel pipe to form a bent pipe; the other end of the pipe is bent in the same way as above.
The prior art has the following technical problems: 1. because the pipe fitting receives extrusion effect and frictional force effect in the bending process, the condition that bending accuracy is insufficient and the scratch of return bend outer wall is more easily caused. 2. When bending the two ends of the pipe fitting, the distance between the two bending positions is difficult to control, so that the qualification rate of the bent pipe is reduced.
Disclosure of Invention
The invention aims to provide a pipe bending tool, which solves the problem that the qualification rate of bent pipes is reduced because the distance between two bending parts is difficult to control when two ends of the pipe are bent in the prior art.
In order to achieve the above purpose, the basic scheme of the invention is as follows:
the pipe bending tool comprises a processing table, wherein a positioning table and an adjusting block are arranged on the processing table, and a placing channel for placing a pipe is formed between the adjusting block and the positioning table; the number of the adjusting blocks is two, and the two adjusting blocks are both in sliding connection with the processing table; the lower part of the adjusting block is provided with a plurality of positioning holes; the end part of the adjusting block is provided with an arc-shaped groove;
a sliding hole is formed in one side, close to the adjusting block, of the positioning table, a sliding block is connected in the sliding hole in a sliding mode, and a spring is fixed between the sliding block and the wall of the sliding hole; one side of the sliding block, which is far away from the spring, extends into the placing channel; a sliding cavity and a positioning cavity are arranged in the processing table, and a positioning column used for being inserted into the positioning hole is connected in a sliding manner in the positioning cavity; two ends of the sliding cavity are respectively communicated with the sliding hole and the positioning cavity; the sliding cavity is internally connected with a push rod in a sliding way, and two ends of the push rod are bent and respectively fixed with the sliding block and the positioning column.
The beneficial effect that this scheme produced is:
1. before the pipe fitting bending tool in the scheme is adopted to bend the pipe fitting, the distance between the two adjusting blocks is adjusted, and then the distance between two bending positions of the pipe fitting is determined; therefore, when the pipe fittings are bent in batches, the distances between the two bending positions of each pipe fitting are the same, and the qualification rate of the bent pipe is improved.
2. When the pipe fitting is placed in the placement channel, the pipe fitting can extrude the sliding block, the sliding block extrudes the spring, and then the push rod is driven to move towards one side of the spring, and the push rod drives the positioning column to be inserted into the positioning hole, so that the adjusting block is prevented from sliding left and right. Therefore, the scheme realizes the positioning of the adjusting block when the pipe fitting is placed in the placing channel; the manual positioning of the adjusting block is not needed, and the device is very convenient.
The first preferred scheme is as follows: as a further optimization of the basic scheme, an extrusion cavity is further arranged in the processing table, and a connecting hole is connected between the extrusion cavity and the positioning cavity; an L-shaped pushing rod is fixed on the positioning column; an elastic air bag filled with lubricating oil is arranged in the extrusion cavity; the elastic air bag is communicated with a liquid inlet pipe and a liquid outlet pipe for supplying lubricating oil to the arc-shaped groove; the L-shaped pushing rod is fixedly connected with the elastic air bag.
When the pipe fitting is bent, the friction force between one side of the pipe fitting, which is close to the arc-shaped groove, and the arc-shaped groove is larger; when the pipe fitting in this scheme is put into and is placed the passageway in, pipe fitting extrusion slider, slider drive push rod motion, and the push rod makes the reference column motion, and the reference column makes L shape catch bar promote the elasticity gasbag, extrudees the lubrication oil in the elasticity gasbag on the cell wall of arc wall. This scheme can be directly scribbled between pipe fitting and the arc groove with lubricating oil, and then when guaranteeing that the pipe fitting buckles, reduces the frictional force between pipe fitting and the arc cell wall, improves pipe fitting bending accuracy, reduces the mar on the return bend outer wall.
And a second preferred scheme is as follows: as a further optimization of the first preferred scheme, the processing bench is also provided with an oil storage tank, and the liquid inlet pipe is communicated with the oil storage tank.
The pipe fitting is further convenient to take out from the placement channel, the spring enables the sliding block to restore to the original position, the sliding block drives the push rod to restore to the original position, and the push rod enables the positioning column to slide from the chute in the positioning hole; the locating column can drive L shape catch bar pulling elastic air bag at the in-process of motion, and then makes elastic air bag breathe in, and the lubricating oil in the oil storage tank can enter into elastic air bag from the feed liquor pipe and store in this moment, uses when being convenient for next pipe fitting processing.
And a preferred scheme III: as a further optimization of the basic scheme, the edge angles of the sliding block are all arc transition.
When the pipe fitting is placed in the placement channel, the pipe fitting can slide along the sliding block conveniently.
The preferable scheme is as follows: as a further optimization of the basic scheme, the adjusting block comprises a block body and a sliding block fixedly connected to the bottom of the block body; the arc-shaped groove is positioned at the end part of the block body, and the positioning hole is positioned on the sliding block; the processing table is provided with a strip-shaped chute, and the chute walls on two sides of the strip-shaped chute are respectively provided with a strip-shaped side chute; the sliding block is positioned in the strip-shaped sliding groove, and sliding bulges which are used for being in sliding connection with the same side strip-shaped side grooves are arranged on two sides of the sliding block.
The adjustment block can slide along the processing table further simply.
Drawings
FIG. 1 is a top view of a pipe bending tool of the present invention (the internal structure of the tooling table is shown in phantom);
FIG. 2 is a cross-sectional view of A-A of FIG. 1;
fig. 3 is an enlarged view of B in fig. 1.
Detailed Description
The invention is described in further detail below by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a processing table 1, a strip-shaped sliding chute 11, a strip-shaped side groove 111, a positioning cavity 12, a positioning column 121, a pressing cavity 13, a connecting hole 131, an elastic air bag 132, a liquid outlet pipe 1321, a liquid inlet pipe 1322, an L-shaped pushing rod 14, a positioning table 2, a sliding hole 21, a sliding block 211, a spring 212, an adjusting block 3, a block body 31, an arc-shaped groove 311, a sliding block 32, a positioning hole 321, a placement channel 4 and a storage tank 5.
The embodiment is basically as shown in fig. 1, 2 and 3, and the pipe bending tool comprises a processing table 1, wherein a positioning table 2 and an adjusting block 3 are arranged on the processing table 1, the positioning table 2 is fixedly connected with one side of the processing table 1, and the adjusting block 3 is slidably connected with the other side of the processing table 1; a placing channel 4 for placing the pipe fitting is formed between the adjusting block 3 and the positioning table 2.
The number of the adjusting blocks 3 in the scheme is two; as shown in fig. 2, the adjusting block 3 includes a block body 31 and a sliding block 32 fixedly connected to the bottom of the block body 31; the left end of the left block body 31 is provided with an arc groove 311, and the right end of the right block body 31 is provided with an arc groove 311. The sliding blocks 32 are each provided with a plurality of positioning holes 321. In order to facilitate the sliding connection of the adjusting block 3 and the processing table 1, the processing table 1 is provided with a strip-shaped chute 11, and the chute walls on two sides of the strip-shaped chute 11 are provided with strip-shaped side grooves 111; the sliding block 32 is located in the bar-shaped chute 11, and both sides of the sliding block 32 are provided with sliding protrusions for sliding connection with the same-side bar-shaped side grooves 111.
One side of the positioning table 2, which is close to the adjusting block 3, is provided with a sliding hole 21 vertically arranged along the positioning table 2 in fig. 1, a sliding block 211 is connected in a sliding manner in the sliding hole 21, and each edge corner of the sliding block 211 is in arc transition. A spring 212 is fixed between the slider 211 and the inner wall of the side of the sliding hole 21 away from the placement channel 4; when the spring 212 is in a natural state, the side of the slider 211 away from the spring 212 extends into the placement channel 4. A sliding cavity and a positioning cavity 12 are arranged in the processing table 1 along the vertical direction of the processing table 1 in fig. 1, and a positioning column 121 for being inserted into a positioning hole 321 is connected in the positioning cavity 12 in a sliding manner; the sliding cavity is positioned below the sliding hole 21 and the positioning cavity 12, and two ends of the sliding cavity are bent upwards and are vertically communicated with the sliding hole 21 and the positioning cavity 12 respectively; a push rod is slidably connected in the sliding cavity, and two ends of the push rod are bent and fixed with the sliding block 211 and the positioning column 121 respectively.
An extrusion cavity 13 is also arranged in the processing table 1, and a connecting hole 131 is connected between the extrusion cavity 13 and the positioning cavity 12; an L-shaped pushing rod 14 is fixed on the positioning column 121; an elastic air bag 132 is arranged in the extrusion cavity 13, and the elastic air bag 132 can be a resuscitation balloon or a foot-operated inflator for inflating the balloon; the structure capable of swelling the suction can be released after the pressing. The elastic air bag 132 is internally provided with lubricating oil; the elastic air bag 132 is communicated with a liquid inlet pipe 1322 and a liquid outlet pipe 1321 for supplying lubricating oil to the arc-shaped groove 311; the liquid inlet pipe 1322 is provided with a liquid inlet one-way valve, and the liquid outlet pipe 1321 is provided with a liquid outlet one-way valve. As shown in fig. 1, a tank 5 is fixed to the lower part of the processing table 1, and a liquid inlet pipe 1322 communicates with the tank 5.
The L-shaped pushing rod 14 is fixedly connected with the elastic air bag 132, and when the L-shaped air bag moves towards the placement channel 4, the elastic air bag 132 can be extruded, so that lubricating oil in the elastic air bag 132 flows out of the liquid outlet pipe 1321; when the L-shaped air bag moves in a direction away from the placement channel 4, the elastic air bag 132 gradually bulges, so that the lubricating oil in the oil storage tank 5 flows into the elastic air bag 132 from the liquid inlet pipe 1322.
When the device is used, the distance between the two adjusting blocks 3 is firstly adjusted, and then the distance between two bending positions of the pipe fitting is determined; therefore, when the pipe fittings are bent in batches, the distances between the two bending positions of each pipe fitting are the same, and the qualification rate of the bent pipe is improved.
If necessary, a soft mandrel can be placed into the tube; then put into placing channel 4 with the pipe fitting, the pipe fitting can extrude slider 211, and slider 211 extrudees spring 212, and then drives the push rod and also moves towards one side of spring 212, and the push rod drives reference column 121 and inserts in locating hole 321, prevents adjusting block 3 and slides about again, realizes the location of adjusting block 3.
Because the friction force between one side of the pipe fitting, which is close to the arc-shaped groove 311, and the arc-shaped groove 311 is larger when the pipe fitting is bent; when the pipe fitting is placed in the placement channel 4, the push rod drives the positioning column 121 to be inserted into the positioning hole 321; at this time, the positioning column 121 makes the L-shaped pushing rod 14 push the elastic air bag 132, so that the lubricating oil in the elastic air bag 132 is squeezed onto the groove wall of the arc-shaped groove 311; can directly paint the lubricating oil between pipe fitting and the arc groove 311, and then when guaranteeing that the pipe fitting buckles, reduce the frictional force between pipe fitting and the arc groove 311 wall, improve pipe fitting bending accuracy, reduce the mar on the return bend outer wall.
After the pipe fitting is placed in the placement channel 4, bending the two ends of the pipe fitting respectively; after the bending is finished, when the pipe fitting is taken out of the placement channel 4, the spring 212 enables the sliding block 211 to restore to the original position, the sliding block 211 drives the push rod to restore to the original position, and the push rod enables the positioning column 121 to slide from the inner chute of the positioning hole 321; the positioning column 121 drives the L-shaped pushing rod 14 to pull the elastic air bag 132 during the movement process, so that the elastic air bag 132 is sucked, and at this time, the lubricating oil in the oil storage tank 5 enters the elastic air bag 132 from the liquid inlet pipe 1322 for storage, so that the elastic air bag is convenient for the next pipe fitting processing.
The foregoing is merely exemplary of the present invention, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these should also be considered as the scope of the present invention, which does not affect the effect of the implementation of the present invention and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (3)
1. The pipe bending tool is characterized by comprising a processing table, wherein a positioning table and an adjusting block are arranged on the processing table, and a placing channel for placing a pipe is formed between the adjusting block and the positioning table; the number of the adjusting blocks is two, and the two adjusting blocks are both in sliding connection with the processing table; the lower part of the adjusting block is provided with a plurality of positioning holes; the end part of the adjusting block is provided with an arc-shaped groove;
a sliding hole is formed in one side, close to the adjusting block, of the positioning table, a sliding block is connected in the sliding hole in a sliding mode, and a spring is fixed between the sliding block and the wall of the sliding hole; one side of the sliding block, which is far away from the spring, extends into the placing channel; a sliding cavity and a positioning cavity are arranged in the processing table, and a positioning column used for being inserted into the positioning hole is connected in a sliding manner in the positioning cavity; two ends of the sliding cavity are respectively communicated with the sliding hole and the positioning cavity; the sliding cavity is connected with a push rod in a sliding way, and two ends of the push rod are bent and respectively fixed with the sliding block and the positioning column;
each edge corner of the sliding block is in arc transition;
the adjusting block comprises a block body and a sliding block fixedly connected to the bottom of the block body; the arc-shaped groove is positioned at the end part of the block body, and the positioning hole is positioned on the sliding block; the processing table is provided with a strip-shaped chute, and the chute walls on two sides of the strip-shaped chute are respectively provided with a strip-shaped side chute; the sliding block is positioned in the strip-shaped sliding groove, and sliding bulges which are used for being in sliding connection with the same-side strip-shaped side grooves are arranged on two sides of the sliding block.
2. The pipe bending tool according to claim 1, wherein an extrusion cavity is further arranged in the processing table, and a connecting hole is formed between the extrusion cavity and the positioning cavity; an L-shaped pushing rod is fixed on the positioning column; an elastic air bag filled with lubricating oil is arranged in the extrusion cavity; the elastic air bag is communicated with a liquid inlet pipe and a liquid outlet pipe for supplying lubricating oil to the arc-shaped groove; the L-shaped pushing rod is fixedly connected with the elastic air bag.
3. The pipe bending tool according to claim 2, wherein an oil storage tank is further arranged on the processing table, and the liquid inlet pipe is communicated with the oil storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792828.3A CN108856387B (en) | 2018-07-18 | 2018-07-18 | Pipe bending tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792828.3A CN108856387B (en) | 2018-07-18 | 2018-07-18 | Pipe bending tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108856387A CN108856387A (en) | 2018-11-23 |
| CN108856387B true CN108856387B (en) | 2024-04-02 |
Family
ID=64303180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810792828.3A Active CN108856387B (en) | 2018-07-18 | 2018-07-18 | Pipe bending tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108856387B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918719A (en) * | 2019-11-28 | 2020-03-27 | 贵州凤安铝业科技有限公司 | Production device and method of aluminum bathroom product |
| CN111842669B (en) * | 2020-06-05 | 2022-10-11 | 张中秋 | Lubricating device for bending machine |
| CN113547006A (en) * | 2021-07-26 | 2021-10-26 | 王扬 | Pipe bending equipment for automobile |
| CN114769386B (en) * | 2022-05-31 | 2022-10-25 | 广东中博交通环保设备有限公司 | Bending forming equipment for H-shaped steel |
| CN118385332B (en) * | 2024-06-28 | 2024-08-30 | 中铁电气化局集团有限公司 | Automatic bending device for rigid part |
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| CN108856387A (en) | 2018-11-23 |
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