CN211888501U - Pipe orifice shaping tool for bent pipe and straight pipe - Google Patents
Pipe orifice shaping tool for bent pipe and straight pipe Download PDFInfo
- Publication number
- CN211888501U CN211888501U CN202020423593.3U CN202020423593U CN211888501U CN 211888501 U CN211888501 U CN 211888501U CN 202020423593 U CN202020423593 U CN 202020423593U CN 211888501 U CN211888501 U CN 211888501U
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- shaping
- block
- elbow
- pipe
- mandrel
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- 238000007493 shaping process Methods 0.000 title claims abstract description 75
- 238000001125 extrusion Methods 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 230000006872 improvement Effects 0.000 description 9
- 210000001503 joint Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a pipe orifice shaping tool for bent pipes and straight pipes, which comprises an elbow mandrel matched with an elbow of a bent pipe, a traction rope, a push block and a plurality of shaping blocks; one end of the elbow mandrel is a connecting end, and the other end of the elbow mandrel is a free end; a connecting channel is arranged in the elbow mandrel, and two ends of the connecting channel are respectively communicated with the connecting end and the free end; the outer side surface of the push block is an extrusion inclined surface, and one end of the push block facing the elbow mandrel is provided with a connecting shaft; the end part of the connecting shaft extends into the connecting channel from the connecting end of the elbow mandrel; each shaping block is arranged around the push block as the center, and the shaping blocks can slide on the end surface of the connecting end along the radial direction; the inner side surface of the shaping block is a pressed inclined surface matched with the extrusion inclined surface, and the outer side surface of the shaping block is a shaping surface matched with the inner wall of the pipe; one end of the traction rope penetrates into the connecting channel from the free end of the elbow mandrel and then is connected with the connecting shaft; the connecting shaft can drive the push block to move along the axial direction under the traction of the traction rope.
Description
Technical Field
The utility model relates to a pipe fitting processing technology field, particularly a mouth of pipe plastic frock for return bend and straight tube.
Background
Referring to fig. 1, when butt welding a straight pipe and a bent pipe, the pipe end may be deformed to affect the roundness of the pipe when the pipe is subjected to pipe making, cutting, blanking and forming, and when the pipe is in butt joint, a gap may occur. If the robot is used for automatic welding, the butt joint seam influences the welding quality, and phenomena such as burning through, air holes and the like are easy to occur; therefore, the prior common method is manual welding, but the production efficiency is not high, and the appearance of the product is not good.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a mouth of pipe plastic frock for return bend and straight tube, its simple structure, convenient operation, the part can carry out the plastic in the location in the frock.
In order to achieve the above purpose, the utility model adopts the technical proposal that: a pipe orifice shaping tool for bent pipes and straight pipes comprises an elbow mandrel matched with an elbow of a bent pipe, a traction rope, a push block and a plurality of shaping blocks; one end of the elbow mandrel is a connecting end, and the other end of the elbow mandrel is a free end; a connecting channel is arranged in the elbow mandrel, and two ends of the connecting channel are respectively communicated with the connecting end and the free end; the outer side surface of the push block is an extrusion inclined surface, and one end of the push block facing the elbow mandrel is provided with a connecting shaft; the end part of the connecting shaft extends into the connecting channel from the connecting end of the elbow mandrel; each shaping block is arranged around the push block as the center, and the shaping blocks can slide on the end surface of the connecting end along the radial direction; the inner side surface of the shaping block is a pressed inclined surface matched with the extrusion inclined surface, and the outer side surface of the shaping block is a shaping surface matched with the inner wall of the pipe; one end of the traction rope penetrates into the connecting channel from the free end of the elbow mandrel and then is connected with the connecting shaft; the connecting shaft can drive the push block to move along the axial direction under the traction of the traction rope.
The further improvement lies in that: one end of the connecting shaft is a threaded end, and the other end of the connecting shaft is a joint end; the threaded end penetrates through the push block and then is locked through a nut; the joint end is connected with the traction rope.
The further improvement lies in that: the connecting channel is provided with a guide cavity at the connecting part of the connecting channel and the connecting end of the elbow mandrel, and the guide cavity is used for accommodating the joint end and limiting and guiding the axial movement of the joint end.
The further improvement lies in that: the end face of the elbow mandrel connecting end is provided with a plurality of sliding grooves, each sliding groove corresponds to the shaping block one by one, and the shaping blocks are arranged in the corresponding sliding grooves in a sliding mode through the sliding blocks.
The further improvement lies in that: and a shaping surface of the shaping block is provided with a shaping groove corresponding to the welding seam along the circumferential direction.
The further improvement lies in that: and a limiting groove is formed in the shaping surface of the shaping block along the circumferential direction.
The further improvement lies in that: eight shaping blocks are arranged on the shaping block, and the section of the pushing block is a regular octagon.
The further improvement lies in that: the push block is conical.
The further improvement lies in that: the elbow mandrel is composed of two symmetrically arranged petal bodies.
The further improvement lies in that: the hauling cable is a steel wire rope.
The beneficial effects of the utility model reside in that:
1. the utility model discloses simple structure, convenient operation carries out the plastic when the part is fixed a position in the frock, makes welding quality and the production efficiency of product all can promote.
2. The utility model discloses join in marriage and make autogiration welding machine, but automatic weld accomplishes, and guarantees product quality.
3. The utility model provides an elbow location difficult problem, realize return bend and straight tube butt joint/plastic/welding integration.
Drawings
FIG. 1 is a schematic view of a prior art welding of a curved pipe and a straight pipe;
fig. 2 is a schematic structural view of a pipe orifice shaping tool in an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a perspective view of the pipe orifice shaping tool in the embodiment of the present invention;
fig. 5 is a schematic structural view of an elbow mandrel according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a shaping block in an embodiment of the present invention;
fig. 7 is a schematic structural view of the push block in the embodiment of the present invention;
fig. 8 is a schematic working diagram of the pipe orifice shaping tool in the embodiment of the present invention;
fig. 9 is a schematic view of the shaping blocks before opening in the embodiment of the present invention;
fig. 10 is a schematic diagram of the shaping blocks after being opened according to the embodiment of the present invention.
Reference numerals:
1-an elbow mandrel; 11-a chute; 12-a guide lumen; 13-connecting the channels;
2-shaping blocks; 21-a slide block; 22-a pressure ramp; 23-shaping the surface; 24-a forming groove; 25-a limit groove;
3-pushing a block; 31-extruding the inclined plane; 32-a connecting shaft; 33-a joint end; 34-a threaded end; 35-a nut;
4-a traction rope.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.
In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.
The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.
Referring to fig. 2, 3 and 4, an embodiment of the present invention provides a pipe orifice shaping tool for bent pipes and straight pipes, which includes an elbow mandrel 1 adapted to an elbow of a bent pipe, a traction rope 4, a push block 3 and a plurality of shaping blocks 2;
referring to fig. 5, one end of the elbow mandrel 1 is a connecting end, and the other end of the elbow mandrel 1 is a free end; a connecting channel 13 is arranged in the elbow mandrel 1, and two ends of the connecting channel 13 are respectively communicated with the connecting end and the free end; specifically, a guide cavity 12 is arranged at the joint of the connecting channel 13 and the connecting end of the elbow mandrel 1, and the guide cavity 12 is used for accommodating the joint end 33 and performing limiting and guiding on the axial movement of the joint end 33. The end face of the connecting end of the elbow mandrel 1 is provided with a plurality of sliding grooves 11, each sliding groove 11 corresponds to the shaping block 2 one by one, and the shaping block 2 is arranged in the corresponding sliding groove 11 in a sliding mode through the sliding block 21. In this embodiment, the elbow mandrel 1 is composed of two symmetrically arranged petal bodies, and is convenient to process.
Referring to fig. 7, the outer side surface of the push block 3 is an extrusion inclined surface 31, and one end of the push block 3 facing the elbow mandrel 1 is provided with a connecting shaft 32; the end of the connecting shaft 32 extends into the connecting channel 13 from the connecting end of the elbow mandrel 1; specifically, one end of the connecting shaft 32 is a threaded end 34, and the other end of the connecting shaft 32 is a joint end 33; the threaded end 34 passes through the push block 3 and then is locked by a nut 35; the connector end 33 is connected to the pull cord 4. In this embodiment, the push block 3 is tapered.
Referring to fig. 6, each shaping block 2 is arranged around the pushing block 3 as a center, and the shaping blocks 2 can slide along the radial direction on the end surface of the connecting end; the inner side surface of the shaping block 2 is a pressed inclined surface 22 matched with the extrusion inclined surface 31, and the outer side surface of the shaping block 2 is a shaping surface 23 matched with the inner wall of the pipe; specifically, the shaping surface 23 of the shaping block 2 is circumferentially provided with a shaping groove 24 corresponding to the weld. The shaping surface 23 of the shaping block 2 is provided with a limit groove 25 along the circumferential direction. In this embodiment, the shaping block 2 is provided with eight blocks, and the section of the pushing block 3 is a regular octagon. The pushing block moves axially under the drive of the connecting shaft, the extrusion inclined surface extrudes the pressed inclined surface of the shaping block, each shaping block expands along the radial direction, and the shaping surface can shape the inner wall of the pipe, so that the roundness is consistent, the gap caused by roundness error is eliminated, and the welding quality is ensured.
One end of the traction rope 4 penetrates into the connecting channel 13 from the free end of the elbow mandrel 1 and then is connected with the connecting shaft 32; the connecting shaft 32 can drive the pushing block 3 to move along the axial direction under the traction of the traction rope 4. In this embodiment, the hauling cable 4 is a steel cable.
Referring to fig. 8, 9 and 10, the working principle of the present invention is:
1, adding a pipe orifice shaping tool on an automatic welding machine;
2, the straight pipe and the bent pipe are arranged in the tool, and the pipe orifices of the straight pipe and the bent pipe can be expanded and rounded when the tool works.
3, after the roundness error is eliminated, the butt joint of the two pipe fittings has no gap, and the automatic welding of the machine can be realized. The welding quality and the production efficiency of the product are improved.
In the description of the specification, reference to the description of "one embodiment," "preferably," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and schematic representations of the terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and all modifications and substitutions based on the present invention and adopting the known technology in the art are within the scope of the present invention, which should be limited by the claims.
Claims (10)
1. The utility model provides a mouth of pipe plastic frock for return bend and straight tube, includes elbow dabber (1) with the elbow looks adaptation of return bend, its characterized in that: the device also comprises a traction rope (4), a push block (3) and a plurality of shaping blocks (2);
one end of the elbow mandrel (1) is a connecting end, and the other end of the elbow mandrel (1) is a free end; a connecting channel (13) is arranged in the elbow mandrel (1), and two ends of the connecting channel (13) are respectively communicated with the connecting end and the free end;
the outer side surface of the push block (3) is an extrusion inclined surface (31), and one end of the push block (3) facing the elbow mandrel (1) is provided with a connecting shaft (32); the end part of the connecting shaft (32) extends into the connecting channel (13) from the connecting end of the elbow mandrel (1);
each shaping block (2) is arranged around the pushing block (3) as the center, and the shaping blocks (2) can slide on the end surface of the connecting end along the radial direction; the inner side surface of the shaping block (2) is a pressed inclined surface (22) matched with the extrusion inclined surface (31), and the outer side surface of the shaping block (2) is a shaping surface (23) matched with the inner wall of the pipe;
one end of the traction rope (4) penetrates into the connecting channel (13) from the free end of the elbow mandrel (1) and then is connected with the connecting shaft (32); the connecting shaft (32) can drive the push block (3) to move along the axial direction under the traction of the traction rope (4).
2. The pipe orifice shaping tool for bent pipes and straight pipes according to claim 1, characterized in that: one end of the connecting shaft (32) is a threaded end (34), and the other end of the connecting shaft (32) is a joint end (33); the threaded end (34) penetrates through the push block (3) and then is locked through a nut (35); the joint end (33) is connected with the traction rope (4).
3. The pipe orifice shaping tool for bent pipes and straight pipes according to claim 2, characterized in that: the connecting channel (13) is provided with a guide cavity (12) at the connecting part of the connecting end of the elbow mandrel (1), and the guide cavity (12) is used for accommodating the joint end (33) and limiting and guiding the axial movement of the joint end (33).
4. The pipe orifice shaping tool for bent pipes and straight pipes according to claim 1, characterized in that: the end face of the connecting end of the elbow mandrel (1) is provided with a plurality of sliding grooves (11), each sliding groove (11) corresponds to the shaping block (2) one by one, and the shaping blocks (2) are arranged in the corresponding sliding grooves (11) in a sliding mode through sliding blocks (21).
5. The pipe orifice shaping tool for bent pipes and straight pipes according to claim 1, characterized in that: and a shaping surface (23) of the shaping block (2) is provided with a shaping groove (24) corresponding to the welding seam along the circumferential direction.
6. The pipe orifice shaping tool for bent pipes and straight pipes according to claim 1, characterized in that: the shaping surface (23) of the shaping block (2) is provided with a limit groove (25) along the circumferential direction.
7. The pipe orifice shaping tool for bent pipes and straight pipes according to claim 1, characterized in that: eight shaping blocks (2) are arranged, and the section of the pushing block (3) is regular octagon.
8. The pipe orifice shaping tool for bent pipes and straight pipes according to claim 1, characterized in that: the push block (3) is conical.
9. The pipe orifice shaping tool for bent pipes and straight pipes according to claim 1, characterized in that: the elbow mandrel (1) is composed of two symmetrically arranged petal bodies.
10. The pipe orifice shaping tool for bent pipes and straight pipes according to claim 1, characterized in that: the traction rope (4) is a steel wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020423593.3U CN211888501U (en) | 2020-03-27 | 2020-03-27 | Pipe orifice shaping tool for bent pipe and straight pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020423593.3U CN211888501U (en) | 2020-03-27 | 2020-03-27 | Pipe orifice shaping tool for bent pipe and straight pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211888501U true CN211888501U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020423593.3U Expired - Fee Related CN211888501U (en) | 2020-03-27 | 2020-03-27 | Pipe orifice shaping tool for bent pipe and straight pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211888501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658079A (en) * | 2020-12-08 | 2021-04-16 | 湖南苏普锐油气装备科技有限公司 | Micro-finishing type bending pipe machining assembly |
-
2020
- 2020-03-27 CN CN202020423593.3U patent/CN211888501U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658079A (en) * | 2020-12-08 | 2021-04-16 | 湖南苏普锐油气装备科技有限公司 | Micro-finishing type bending pipe machining assembly |
| CN112658079B (en) * | 2020-12-08 | 2022-08-23 | 湖南苏普锐油气装备科技有限公司 | Micro-integral type bending machine processing assembly |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |