CN215355448U - Pipe fitting plastic tool - Google Patents
Pipe fitting plastic tool Download PDFInfo
- Publication number
- CN215355448U CN215355448U CN202121567741.XU CN202121567741U CN215355448U CN 215355448 U CN215355448 U CN 215355448U CN 202121567741 U CN202121567741 U CN 202121567741U CN 215355448 U CN215355448 U CN 215355448U
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- shaping
- pipe fitting
- mandrel
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Abstract
The utility model discloses a pipe fitting shaping jig which comprises a plurality of shaping pieces, wherein each shaping piece is provided with an outer convex arc-shaped shaping surface; the side wall of the mounting cylinder is provided with a plurality of mounting holes which are distributed at intervals along the circumferential direction of the mounting cylinder and correspond to the shaping pieces one by one, the shaping pieces can penetrate through the corresponding mounting holes respectively in a moving manner along the radial direction of the mounting cylinder, the shaping surface of each shaping piece is positioned outside the mounting cylinder, and one end of each shaping piece, back to the shaping surface, is positioned in the mounting cylinder; the mandrel penetrates through the installation cylinder and pushes or releases the shaping pieces in the radial direction of the installation cylinder through axial movement. The utility model adopts the installation cylinder and the mandrel to install and drive the shaping pieces, has very simple structure, convenient processing and assembly and low cost.
Description
Technical Field
The utility model relates to the technical field of pipe fitting machining, in particular to a pipe fitting shaping jig.
Background
In the production and/or storage process of the pipe fitting, due to the reasons of the process or the reasons of extrusion or external force impact in the transportation process and the like, the pipe fitting is out of round, and the pipe fitting is poor in matching with the corresponding pipe in the actual installation (socket joint, welding and the like) process. Therefore, before the pipe is installed, the pipe that is out of round needs to be shaped. The traditional pipe fitting reshaping mode is as follows: the end opening part of the out-of-round pipe fitting is additionally provided with a round supporting block with a matched size, and the pipe fitting is placed for a certain time to recover the shape. However, the shaping using the circular support block has a disadvantage that it is difficult to take out the shaped material. The prior art has appeared a novel pipe fitting reshaping mode: adopting a jig which is provided with a plurality of shaping pieces which can move along the radial direction of the pipe fitting and are provided with convex arc-shaped shaping surfaces, placing the jig into the pipe fitting during shaping, enabling the shaping pieces to move outwards along the radial direction, and shaping the pipe fitting by utilizing the arc-shaped shaping surfaces; after shaping, the shaping pieces move inwards along the radial direction to release the pipe fitting, so that the purpose of taking out the jig is achieved. Although the jig solves the defects of the traditional circular supporting block, the jig also has the following problems: the jig adopts the disc body, the base, the plate spring, the adjusting block, the adjusting rod, the adjusting nut and the like to install the shaping piece and drive the shaping piece, has a complex integral structure and is inconvenient to process and install.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pipe fitting shaping jig aiming at the technical problems in the prior art.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a pipe fitting shaping jig comprises a plurality of shaping pieces, wherein each shaping piece is provided with an outer convex arc-shaped shaping surface; the side wall of the mounting cylinder is provided with a plurality of mounting holes which are distributed at intervals along the circumferential direction of the mounting cylinder and correspond to the shaping pieces one by one, the shaping pieces can penetrate through the corresponding mounting holes respectively in a moving manner along the radial direction of the mounting cylinder, the shaping surface of each shaping piece is positioned outside the mounting cylinder, and one end of each shaping piece, back to the shaping surface, is positioned in the mounting cylinder; the mandrel penetrates through the installation cylinder and pushes or releases the shaping pieces in the radial direction of the installation cylinder through axial movement.
Further, the mandrel is in threaded connection with the mounting cylinder.
Furthermore, one end of the mandrel is positioned outside the mounting cylinder and is provided with an operating handle.
Further, the mandrel is provided with a conical surface which is positioned in the mounting cylinder, and the mandrel pushes or releases the shaping pieces through the conical surface.
Furthermore, one end of each shaping piece in the installation cylinder is provided with an inclined surface or an outward convex cambered surface which is in contact fit with the conical surface, or one end of each shaping piece in the installation cylinder is provided with a rolling piece which is in contact fit with the conical surface, and the rolling piece is a rolling shaft or a rolling ball.
Further, each of the shaping members is fitted with a return means which urges the shaping members to move inwardly in a radial direction of the mounting cylinder when the shaping members are released.
Further, the reset component is a spring which is abutted between the shaping piece and the mounting cylinder.
Furthermore, a positioning groove is formed in the inner wall surface of the installation cylinder, a positioning column facing the positioning groove is arranged at one end, located on the installation cylinder, of the shaping piece, one end of the spring is sleeved into the positioning groove, and the other end of the spring is sleeved outside the positioning column.
Furthermore, each shaping piece includes the ejector pin respectively and is equipped with the shaping block of shaping face, the ejector pin wears to locate the mounting hole, and ejector pin one end is detachable with shaping block and is connected, the ejector pin other end is located in the installation section of thick bamboo.
Further, the mandrel is provided with a first limiting portion and a second limiting portion which are used for limiting the mandrel to be separated from the installation cylinder, and the installation cylinder is located between the first limiting portion and the second limiting portion.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model adopts the installation cylinder and the mandrel to install and drive the shaping pieces, has very simple structure, convenient processing and assembly and low cost.
2. The mandrel is in threaded connection with the mounting cylinder, so that the mandrel has a self-locking function, and the mandrel can still prop against the shaping pieces after being loosened, so that the shaping pieces can keep the state of shaping the pipe fitting.
3. The mandrel is provided with a conical surface, and the mandrel pushes or releases the shaping pieces through the conical surface, so that the matching structure of the mandrel and the shaping pieces is simpler and is easy to process. Particularly, one end of each shaping piece, which is positioned in the mounting cylinder, is respectively provided with an inclined surface or an outward convex cambered surface or a rolling piece which is in contact fit with the conical surface, so that the friction force between the shaping piece and the mandrel is small, the operation is more labor-saving, and the contact part of the mandrel and the shaping piece is not easy to wear.
4. The reset components are respectively matched with the shaping pieces and the mounting cylinder, so that the shaping pieces can be automatically reset when being released, the operation of the tool is more convenient, and the tool is convenient to take out quickly.
5. Each shaping piece comprises the ejector rod and the shaping block with the shaping surface, so that the shaping block with different radii of the shaping surface can be replaced according to pipe fittings with different pipe diameters, and the universality of the utility model is improved.
The utility model is further explained in detail with the accompanying drawings and the embodiments; however, the pipe shaping jig of the present invention is not limited to the embodiment.
Drawings
FIG. 1 is an exploded schematic view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a right side view of the present invention;
FIG. 5 is a cross-sectional view of the present invention;
FIG. 6 is a schematic perspective view of the present invention in a configuration for reshaping a tubular member;
FIG. 7 is a left side view of the present invention in a reshaped state relative to a tubular member;
FIG. 8 is a cross-sectional view of the present invention in a reformed condition of the pipe fitting;
FIG. 9 is a left side view of the utility model during removal after reshaping;
FIG. 10 is a cross-sectional view of the present invention during removal after reshaping;
the device comprises a mounting cylinder 1, a mounting cylinder 11, a mounting hole 12, a first pipe section 13, a second pipe section 131, a convex rib 14, a positioning groove 2, a mandrel 21, an operating handle 22, a conical surface 23, an outer flange 3, a shaping piece 31, an ejector rod 32, a shaping block 311, an inclined surface 312, a positioning column 321, a shaping surface 4, a spring 5, a pin shaft 6 and a pipe fitting.
Detailed Description
In an embodiment, please refer to fig. 1 to 10, a pipe reshaping jig of the present invention includes a plurality of reshaping members 3, each reshaping member 3 is respectively provided with an outward convex arc-shaped reshaping surface 321; the installation structure comprises an installation cylinder 1 and a mandrel 2, wherein a plurality of installation holes which are distributed at intervals along the circumferential direction of the installation cylinder 1 and correspond to the shaping pieces 3 one by one are formed in the side wall of the installation cylinder 1, the shaping pieces 3 can penetrate through the corresponding installation holes 11 in a moving mode along the radial direction of the installation cylinder 1, the shaping surfaces 321 of the shaping pieces 3 are located outside the installation cylinder 1, and one ends, back to the shaping surfaces 321, of the shaping pieces 3 are located in the installation cylinder 1; the mandrel 2 penetrates through the installation cylinder 1, the mandrel 2 pushes or releases the shaping pieces 3 in the radial direction of the installation cylinder 1 through axial movement, and when the mandrel 2 pushes the shaping pieces 3, the shaping pieces 3 move outwards in the radial direction of the installation cylinder 1 respectively; when the mandrel 2 releases the profiles 3, the profiles 3 are each movable inwards in the radial direction of the mounting cylinder 1.
In this embodiment, the mandrel 2 is in threaded connection with the mounting cylinder 1, so that the mandrel 2 has a self-locking function, and therefore, after being loosened, the mandrel 2 can still abut against the shaping members 3, so that the shaping members 3 keep a state of shaping the pipe fitting. The installation cylinder 1 is a non-cylindrical body and comprises a first pipe section 12 with a larger inner diameter and a second pipe section 13 with a smaller diameter, the shaping pieces 3 are respectively arranged on the first pipe section 12, and the mandrel 2 is in threaded connection with the second pipe section 13. One end of the mandrel 2 is positioned outside the mounting cylinder 1 and is provided with an operating handle 21. Specifically, the operating handle 21 is located outside the nozzle of the second pipe section 13 of the mounting barrel 1 and is perpendicular to the mandrel 2, and the length of the operating handle 21 is greater than the outer diameter of the second pipe section 13. For the convenience of installation, the mandrel 2 and the operating handle 21 thereof can be preset into two separate pieces, and after one end of the mandrel 2 passes through the installation cylinder 1, the operating handle 21 is connected by welding or other fixing methods.
In this embodiment, the mandrel 2 is provided with a conical surface 22, the conical surface 22 is located in the mounting cylinder 1, and the mandrel 2 pushes or releases the shaping members 3 through the conical surface 22. The end with the smaller radial dimension of the conical surface 22 is close to one end of the mandrel 2, and the end with the larger radial dimension of the conical surface 22 is close to the other end of the mandrel 2.
In this embodiment, the end of each shaping element 3 in the installation cylinder 1 is provided with a slope 311 in contact with the tapered surface 22, and the slope and the direction of the slope 311 are adapted or substantially adapted to the tapered surface 22. Therefore, the friction force between the shaping piece 3 and the mandrel 2 can be reduced, the operation of the utility model is more labor-saving, and the contact part of the mandrel 2 and the shaping piece 3 is not easy to wear. In other embodiments, one end of each shaping element in the mounting cylinder is respectively provided with an outer convex cambered surface which is in contact fit with the conical surface. In other embodiments, one end of each shaping element in the mounting cylinder is provided with a rolling element which is in contact fit with the conical surface, and the rolling element is a roller or a ball.
In this embodiment, the shaping members 3 are respectively fitted with a return means to the mounting cylinder 1, which return means urges the shaping members 3 to move inwards in the radial direction of the mounting cylinder 1 when they are released. The reset component is specifically a spring 4 which is abutted between the shaping piece 3 and the mounting cylinder 1. Specifically, a positioning groove is formed in the inner wall surface of the installation cylinder 1, a positioning column 312 facing the positioning groove is arranged at one end of the shaping piece 3, which is located at the installation cylinder 1, one end of the spring 4 is sleeved in the positioning groove 14, and the other end of the spring 4 is sleeved outside the positioning column 312, as shown in fig. 5. The installation mode of the spring 4 is not limited to this, and in other embodiments, the spring is sleeved outside the shaping element, one end of the spring abuts against a positioning part arranged on the inner wall surface of the installation cylinder, and the other end of the spring abuts against another positioning part arranged at one end of the shaping element in the installation cylinder. In other embodiments, the resetting component is a magnetic attraction component, and includes a first magnetic part disposed on the shaping element and a second magnetic part disposed on the mounting cylinder, and the first magnetic part and the second magnetic part magnetically attract each other to drive the shaping element 3 to move inward along the radial direction of the mounting cylinder when being released. In other embodiments, the return member comprises the magnetic assembly and the spring.
In this embodiment, each shaping member 3 includes a top rod 31 and a shaping block 32 having the shaping surface 321, the top rod 31 penetrates through the mounting hole 11, one end of the top rod 31 is detachably connected to the shaping block 32, and the other end of the top rod 31 is located in the mounting cylinder 1. The shaping block 32 may be connected to one end of the rod 31 by means of screw locking, snap connection or insertion. Therefore, the utility model can replace the shaping blocks with different radii of the shaping surface according to the pipe fittings with different pipe diameters, thereby improving the universality of the utility model. The cross section profile of the ejector rod 31 is flat, and the shape of the mounting hole 11 is matched with that of the ejector rod, so that the ejector rod 31 cannot rotate around the axis of the ejector rod after penetrating through the mounting hole 11. The positioning column is arranged at the other end of the ejector rod 31. Two springs 4 are respectively matched between each shaping piece 3 and the mounting cylinder 1 (only the springs corresponding to two shaping pieces are shown in fig. 1, and the springs corresponding to the other two shaping pieces are not shown), so that two symmetrical positioning columns 312 are arranged at the other end of the ejector rod 31.
In this embodiment, the mandrel 2 is provided with a first limiting portion and a second limiting portion for limiting the mandrel to separate from the mounting cylinder 1, and the mounting cylinder 1 is located between the first limiting portion and the second limiting portion. The first limiting part is specifically a circle of outer flange 23 arranged at the other end of the mandrel 2, and the outer diameter of the outer flange 23 is larger than the outer diameter of the first pipe section 12 of the installation cylinder 1. The second limiting part is specifically a pin shaft 5 which is inserted in the mandrel 2 along the radial direction of the mandrel 2.
In this embodiment, the outer side surface of the second pipe section 13 of the installation cylinder 1 is provided with a plurality of axial ribs 131 to increase the friction force on the outer side surface of the second pipe section 13 of the installation cylinder 1, so that a user can conveniently hold the second pipe section 13 of the installation cylinder 1 by one hand when screwing the mandrel 2 by the other hand.
When the pipe fitting reshaping jig works, the first pipe section 12 of the installation cylinder and the reshaping pieces 3 on the first pipe section are respectively placed into a pipe fitting 6 to be reshaped. After the part of the pipe fitting 6 to be reshaped is determined, one hand holds the second pipe section 13 of the installation cylinder 1, the other hand rotates the mandrel 2, so that the mandrel 2 moves axially towards the outside of the pipe fitting, and as the mandrel 2 moves axially, the tapered surface 22 pushes each reshaping element 3 gradually, each reshaping element 3 is driven to move outwards along the radial direction of the installation cylinder 1 until the reshaping surface 321 of each reshaping element 3 presses the inner wall surface of the pipe fitting 6, as shown in fig. 7 and 8, so that the purpose of reshaping the pipe fitting 6 is achieved.
After 6 plastic of pipe fitting, need take off the tool from 6 pipe fittings, concrete operation is as follows: the second pipe section 13 of the installation tube 1 is held by one hand, the mandrel 2 is rotated reversely by the other hand, so that the mandrel 2 moves axially towards the inner direction of the pipe fitting, the conical surface 22 of the mandrel 2 gradually releases each shaping piece 3 along with the axial movement of the mandrel 2, each shaping piece 3 moves inwards along the radial direction of the installation tube 1 under the restoring force of the spring 4, and the shaping surface 321 of each shaping piece 3 is separated from the inner wall surface of the pipe fitting 6, as shown in fig. 9 and 10. At this time, the whole jig can be taken down from the pipe fitting 6.
The pipe fitting shaping jig adopts the mounting cylinder and the mandrel to mount and drive the shaping pieces, has a very simple structure, is convenient to process and assemble, and is low in cost.
The above embodiments are only used to further illustrate the pipe shaping jig of the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. A pipe fitting shaping jig comprises a plurality of shaping pieces, wherein each shaping piece is provided with an outer convex arc-shaped shaping surface; the method is characterized in that: the side wall of the mounting cylinder is provided with a plurality of mounting holes which are distributed at intervals along the circumferential direction of the mounting cylinder and correspond to the shaping pieces one by one, the shaping pieces can penetrate through the corresponding mounting holes respectively in a moving manner along the radial direction of the mounting cylinder, the shaping surface of each shaping piece is positioned outside the mounting cylinder, and one end of each shaping piece, back to the shaping surface, is positioned in the mounting cylinder; the mandrel penetrates through the installation cylinder and pushes or releases the shaping pieces in the radial direction of the installation cylinder through axial movement.
2. The pipe fitting reshaping jig of claim 1, wherein: the mandrel is in threaded connection with the mounting cylinder.
3. The pipe fitting reshaping jig of claim 2, wherein: one end of the mandrel is positioned outside the mounting cylinder and is provided with an operating handle.
4. The pipe fitting reshaping jig of claim 1, wherein: the mandrel is provided with a conical surface which is positioned in the mounting cylinder, and the mandrel pushes or releases the shaping pieces through the conical surface.
5. The pipe fitting reshaping jig of claim 4, wherein: and one end of each shaping piece in the installation cylinder is provided with an inclined surface or an outward convex cambered surface which is in contact fit with the conical surface, or one end of each shaping piece in the installation cylinder is provided with a rolling piece which is in contact fit with the conical surface, and the rolling piece is a rolling shaft or a rolling ball.
6. The pipe fitting reshaping jig of claim 1, wherein: the reshaping pieces are respectively matched with the mounting cylinder by a resetting part, and the resetting part drives the reshaping pieces to move inwards along the radial direction of the mounting cylinder when the reshaping pieces are released.
7. The pipe fitting reshaping jig of claim 6, wherein: the reset component is a spring and is abutted between the shaping piece and the mounting cylinder.
8. The pipe fitting reshaping jig of claim 7, wherein: the inner wall surface of the installation cylinder is provided with a positioning groove, one end of the shaping piece, which is located at the installation cylinder, is provided with a positioning column facing the positioning groove, one end of the spring is sleeved in the positioning groove, and the other end of the spring is sleeved outside the positioning column.
9. The pipe fitting reshaping jig of claim 1, wherein: each shaping piece includes the ejector pin respectively and is equipped with the shaping block of shaping face, the ejector pin wear to locate the mounting hole, and ejector pin one end is detachable with shaping block and is connected, the ejector pin other end is located in the installation section of thick bamboo.
10. The pipe fitting reshaping jig of claim 1, wherein: the mandrel is provided with a first limiting part and a second limiting part which are used for limiting the mandrel to be separated from the installation cylinder, and the installation cylinder is located between the first limiting part and the second limiting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121567741.XU CN215355448U (en) | 2021-07-09 | 2021-07-09 | Pipe fitting plastic tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121567741.XU CN215355448U (en) | 2021-07-09 | 2021-07-09 | Pipe fitting plastic tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215355448U true CN215355448U (en) | 2021-12-31 |
Family
ID=79608536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121567741.XU Active CN215355448U (en) | 2021-07-09 | 2021-07-09 | Pipe fitting plastic tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215355448U (en) |
-
2021
- 2021-07-09 CN CN202121567741.XU patent/CN215355448U/en active Active
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