CN216397641U - U-shaped bending die for natural gas hollow pipeline - Google Patents
U-shaped bending die for natural gas hollow pipeline Download PDFInfo
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- CN216397641U CN216397641U CN202122766563.XU CN202122766563U CN216397641U CN 216397641 U CN216397641 U CN 216397641U CN 202122766563 U CN202122766563 U CN 202122766563U CN 216397641 U CN216397641 U CN 216397641U
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000005452 bending Methods 0.000 title claims abstract description 42
- 239000003345 natural gas Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model belongs to the field of pipeline forming, and particularly relates to a U-shaped bending die for a natural gas hollow pipeline, which comprises a male die and a group of rotary female dies, wherein the male die is provided with a group of first arc parts which are symmetrically arranged and have opposite directions and a second arc part arranged at the tail end of the male die; the horizontal section of the rotary female die is provided with a pair of third arc sections which are symmetrically arranged and have opposite directions, and after the horizontal section of the rotary female die is rotated by 180 degrees, the third arc sections form fourth arc parts on the outer surface of the rotary female die; in the mold forming process, the first arc part and the fourth arc part are matched with each other and used for forming the vertical part of the U-shaped hollow pipeline, and the second arc part is used for forming the bending part of the U-shaped hollow pipeline. The utility model mainly utilizes the fourth arc part and the first arc part to form a forming cavity which has the shape and volume completely consistent with the shape and volume of the vertical part of the U-shaped hollow pipeline to form the vertical part of the U-shaped hollow pipeline, and simultaneously utilizes the second arc part to form the bending part of the U-shaped hollow pipeline.
Description
Technical Field
The utility model belongs to the field of pipeline forming, particularly relates to a U-shaped bending die for a natural gas hollow pipeline, and particularly relates to a U-shaped bending die for forming a U-shaped pipeline or a three-way U-shaped pipeline at one time based on a hollow pipeline.
Background
At present, most of U-shaped hollow pipelines applied to the field of natural gas are processed by casting, and due to the casting processing mode, the energy consumption is high, the environment pollution is caused, more importantly, the casting production efficiency is not high, and the production progress is greatly reduced; in addition, a large number of three-way U-shaped pipelines are used for communicating a pipeline network in the field of natural gas, and for the three-way U-shaped pipelines, the existing processing mode is to weld a pipeline opening on a pre-prepared U-shaped hollow pipeline to form the three-way U-shaped pipelines.
With further research and development of technology, a forming device based on a hollow pipeline and used for forming a U-shaped pipeline or a three-way U-shaped pipeline at one time is also developed by foreign experts, but the forming device is expensive and cannot be produced and applied in large batch.
Disclosure of Invention
In view of the above, the utility model aims to provide a natural gas hollow pipeline U-shaped bending die, which aims to overcome the problem of low processing efficiency of a U-shaped hollow pipeline in the prior art and overcome the defect of welding and processing a three-way U-shaped pipeline; by adopting the U-shaped bending die, the U-shaped pipeline or the three-way U-shaped pipeline can be formed at one time on the premise of being based on the hollow pipeline, so that the processing defect is overcome, and the production efficiency is greatly improved.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
natural gas hollow pipeline U-shaped bending die, including terrace die fixing device and die fixing device, still including:
the male die is fixed on the male die fixing device and is provided with a group of first arc parts which are symmetrically arranged and have opposite directions and a second arc part arranged at the tail end of the male die; and
the rotating female dies are symmetrically arranged and opposite in rotating direction and are arranged behind the female die fixing device to form the rotating female dies which can freely rotate on the female die fixing device; the horizontal section of the rotary female die is provided with a pair of third arc sections which are symmetrically arranged and have opposite directions, and after the horizontal section of the rotary female die is rotated by 180 degrees, the third arc sections form fourth arc parts on the outer surface of the rotary female die;
in the forming process of the die, the first arc part and the fourth arc part are matched with each other and used for forming the vertical part of the U-shaped hollow pipeline, and the second arc part is used for forming the bending part of the U-shaped hollow pipeline.
Preferably, the first arc portion and the fourth arc portion form a forming cavity completely consistent with the shape and the volume of the vertical portion of the U-shaped hollow duct in the forming process, and the volume of the cavity of the first arc portion and the volume of the cavity of the fourth arc portion are respectively half of the volume of the forming cavity.
Further, when the hollow pipeline is a three-way pipeline, the two ends of the pipeline are respectively a first pipeline port and a second pipeline port, a third pipeline port protruding outwards along the outer wall of the pipeline is arranged between the first pipeline port and the second pipeline port, and at this moment, the natural gas hollow pipeline U-shaped bending die further comprises:
the guide elements are symmetrically arranged and are arranged below the corresponding rotary female die and fixed on the female die fixing device, and the distance between the two guide elements is the horizontal distance between the outer wall of the port of the first pipeline and the outer wall of the port of the second pipeline in the horizontal direction of the formed U-shaped pipeline;
the positioning female die is matched with the third pipeline port, is arranged at the lower part of the third pipeline port, is simultaneously installed between the symmetrically arranged guide elements in a sliding manner, and is used for positioning and guiding the third pipeline port in the forming process; and
and the elastic body is connected with the positioning female die and then fixed on the female die fixing device and used for ejecting a formed workpiece after forming.
Preferably, the upper part of the positioning female die is provided with a concave part, the lower part of the positioning female die is provided with a protruding part, the shape of the concave part is matched with that of the third pipeline opening of the concave part, and the protruding part is sleeved with the elastic body.
Preferably, the group of symmetrically arranged guide elements is a group of guide rails, sliding grooves are formed in the surfaces, in contact with the positioning female die, of the guide rails, and the guide rails are oppositely arranged and fixed through bolts.
Preferably, the rotary female die is a roller with a fourth arc part, and the elastic body is a cylindrical helical compression spring.
Further, the male die fixing device comprises a die handle, an upper die base, a base plate and a male die fixing plate, the upper die base, the base plate and the male die fixing plate are sequentially installed from top to bottom and then fixed, the die handle is installed on the upper die base, and the male die is fixed on the male die fixing plate.
Further, the female die fixing device comprises a lower die holder and a supporting plate, a guide element, an elastic body and the supporting plate are fixed on the lower die holder, and a rotary female die is further arranged on the supporting plate.
Furthermore, the U-shaped bending die for the natural gas hollow pipeline further comprises a driving device for driving the rotary female die to rotate.
Preferably, the driving means is a motor.
The utility model has the beneficial effects that:
the natural gas hollow pipeline U-shaped bending die mainly utilizes the mutual matching of a fourth arc part of a rotary concave die and a first arc part of a male die to form a forming cavity which is completely consistent with the shape and the volume of a vertical part of a U-shaped hollow pipeline so as to form the vertical part of the U-shaped hollow pipeline, and simultaneously utilizes a second arc part of the male die to form the bending part of the U-shaped hollow pipeline; the U-shaped bending device not only can perform U-shaped bending on a two-way hollow pipeline, but also can perform U-shaped bending on a three-way pipeline; when the three-way pipeline is bent in a U shape, the positioning female die is utilized to keep the guiding and positioning of the third pipeline port in the forming process, and meanwhile, a sliding groove is arranged on a guide rail of the positioning female die in order to facilitate the smooth sliding of the positioning female die; the utility model also utilizes a group of motors to rotate the rotating female dies, and keeps the rotating directions of the pair of rotating female dies opposite, thereby not only guiding the pipeline in the pipeline forming process, but also accelerating the forming speed, and simultaneously leading out the formed workpiece conveniently and smoothly in time after the forming is finished.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of the U-shaped bending die for the natural gas hollow pipeline according to the utility model;
FIG. 2 is a three-dimensional block diagram of the male mold referred to in FIG. 1;
FIG. 3 is a schematic view of a horizontal cross-section of the rotary die of FIG. 1;
FIG. 4 is a front view of the rotary die of FIG. 3;
FIG. 5 is a side view of the rotating die of FIG. 3;
FIG. 6 is a three-dimensional schematic diagram of the combination of a male die and a rotary female die and a workpiece involved in the U-shaped bending die for the natural gas hollow pipeline of the utility model;
fig. 7 is a side view of the structure shown in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a no matter the U-shaped hollow pipeline of the natural gas field is applied to in the discovery of people, all adopts cast mode processing no matter be bi-pass pipeline or tee bend pipeline, and not only machining efficiency is low, and the polluted environment if adopt the former of import, is unfavorable for industrial production again, and the cost is too high. Based on this, the utility model people of this application think that the mode that adopts the mould to take shape once takes shape to the hollow pipeline of U-shaped in the natural gas field, and furthest improves production efficiency, can also reduce manufacturing cost greatly.
The utility model relates to a U-shaped bending die for a natural gas hollow pipeline, which mainly utilizes a fourth arc part of a rotary concave die and a first arc part on a male die to mutually match to form a forming cavity which is completely consistent with the shape and the volume of a vertical part of the U-shaped hollow pipeline to form the vertical part of the U-shaped hollow pipeline, and utilizes a second arc part on the male die to form the bending part of the U-shaped hollow pipeline, thereby being the basic working principle of the utility model.
Embodiments of the present invention will be described in detail below.
Example 1
In example 1, the U-shaped bending die for the natural gas hollow pipeline mainly performs U-shaped bending forming on a two-way horizontal pipeline. Wherein, the both ends of bi-pass horizontal pipeline are first pipeline mouth and second pipeline mouth respectively.
As shown in fig. 1, the U-shaped bending die for the natural gas hollow pipeline comprises a male die fixing device 1, a female die fixing device 2, a male die 3 and a group of symmetrically arranged rotary female dies 4 with opposite rotation directions.
The male die fixing device 1 comprises a die handle 101, an upper die holder 102, a backing plate 103 and a male die fixing plate 104, wherein the upper die holder 102, the backing plate 103 and the male die fixing plate 104 are sequentially installed and fixed from top to bottom, the die handle 101 is installed on the upper die holder 102, and the male die 3 is fixed on the male die fixing plate 104.
The female die fixing device 2 comprises a lower die holder 201 and a support plate 202, wherein the support plate 202 is fixed on the lower die holder 201, and the support plate 202 is also provided with a rotary female die 4.
As shown in fig. 2, the punch 3 of the present invention has a set of first arc portions 301 which are symmetrically arranged and have opposite directions, and a second arc portion 302 which is arranged at the end of the punch.
As shown in fig. 3-5, the rotary die 4 of the present invention is mounted on the supporting plate 202 to form the rotary die 4 capable of freely rotating on the supporting plate 202; meanwhile, the horizontal section of the rotary female die 4 is provided with a pair of third arc sections 401 which are symmetrically arranged and have opposite directions, and after the horizontal section of the rotary female die 4 is rotated by 180 degrees, the third arc sections 401 form fourth arc parts 402 on the outer surface of the rotary female die 4.
As shown in fig. 6, in the process of forming the mold, the first circular arc portion 301 and the fourth circular arc portion 402 are matched with each other to form a vertical portion of the U-shaped hollow pipe, and the second circular arc portion 302 is used to form a bent portion of the U-shaped hollow pipe. The concrete expression is as follows: the first arc part 301 and the fourth arc part 402 form a forming cavity completely consistent with the shape and the volume of the vertical part of the U-shaped hollow pipeline in the forming process, and the cavity volume of the first arc part 301 and the cavity volume of the fourth arc part 402 are respectively half of the forming cavity volume.
In the present embodiment, in order to facilitate the rotation of the rotary die 4, the rotary die 4 is designed as a roller, so that the hollow pipe can be conveniently led in during the forming process, and the formed workpiece can be conveniently led out after the forming is finished.
Example 2
In example 2, the natural gas hollow pipe U-shaped bending die mainly performs U-shaped bending forming on a three-way pipe. The three-way pipeline is characterized in that a first pipeline port and a second pipeline port are respectively arranged at two ends of the three-way pipeline, and a third pipeline port protruding outwards along the outer wall of the pipeline is arranged between the first pipeline port and the second pipeline port.
As shown in fig. 1, on the basis of embodiment 1, the U-shaped bending die for a hollow natural gas pipeline in the present invention further includes: a set of symmetrically arranged guide elements 5, a positioning die 6 and an elastic body 7.
In the utility model, a group of symmetrically arranged guide elements 5 are arranged below the corresponding rotary female die 4 and fixed on the lower die holder 201, and the distance between the two guide elements 5 is the horizontal distance between the outer wall of the opening of the first pipeline and the outer wall of the opening of the second pipeline in the horizontal direction of the formed U-shaped pipeline. In this case, the symmetrically arranged guide elements 5 are a set of guide rails, the surfaces of which in contact with the positioning die 6 are provided with sliding grooves, and the oppositely arranged guide rails are fixed by bolts.
The positioning female die 6 is matched with the third pipeline port, then is arranged at the lower part of the third pipeline port, is simultaneously and slidably arranged between the guide rails which are symmetrically arranged, and is used for positioning and guiding the third pipeline port in the forming process. In this example, the positioning die 6 has a recess in the upper part and a protrusion in the lower part, the recess matching the shape of the third pipe orifice, and the protrusion is fitted with the elastic body 7.
The elastic body 7 is connected with the positioning female die 6 and then fixed on the female die fixing device 2 and used for ejecting a formed workpiece after forming. In this example, the elastic body 7 is a cylindrical helical compression spring.
As shown in fig. 7, in order to facilitate the rotation of the rotary die 4 more conveniently, the present invention employs a driving device 8, i.e., a motor, for driving the rotary die 4 to rotate. In this example, one of the rollers rotates clockwise, and the other roller rotates counterclockwise.
Based on the two embodiments, the natural gas hollow pipeline can be formed by adopting a one-step forming method, in the forming process, the first arc part 301 and the fourth arc part 402 are matched with each other, the situation that the hollow pipeline is flattened or crushed or pressed to deform is avoided while the vertical part of the U-shaped hollow pipeline is formed, and the requirement of U-shaped bending can be completely met through actual tests.
In addition, the utility model can not only carry out one-time forming for hollow pipelines with different diameters, if the pipe diameters are different, the diameters can be matched with different male dies and female dies, but also carry out one-time forming for the hollow pipelines with different wall thicknesses.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (10)
1. Natural gas hollow pipeline U-shaped bending die, including terrace die fixing device and die fixing device, its characterized in that: also includes:
the male die is fixed on the male die fixing device and is provided with a group of first arc parts which are symmetrically arranged and have opposite directions and a second arc part arranged at the tail end of the male die; and
the rotating female dies are symmetrically arranged and opposite in rotating direction and can freely rotate on the female die fixing device after being arranged on the female die fixing device; the horizontal section of the rotary female die is provided with a pair of third arc sections which are symmetrically arranged and have opposite directions, and after the horizontal section of the rotary female die is rotated by 180 degrees, the third arc sections form fourth arc parts on the outer surface of the rotary female die;
in the forming process of the die, the first arc part and the fourth arc part are matched with each other and used for forming the vertical part of the U-shaped hollow pipeline, and the second arc part is used for forming the bending part of the U-shaped hollow pipeline.
2. The natural gas hollow pipeline U-shaped bending die according to claim 1, wherein the first circular arc portion and the fourth circular arc portion form a forming cavity completely consistent with the shape and the volume of the vertical portion of the U-shaped hollow pipeline in the forming process, and the cavity volume of the first circular arc portion and the cavity volume of the fourth circular arc portion are respectively half of the volume of the forming cavity.
3. The U-shaped bending die for natural gas hollow pipes according to claim 1, wherein when the hollow pipe is a tee pipe, the two ends of the pipe are respectively a first pipe port and a second pipe port, and a third pipe port protruding outwards along the outer wall of the pipe is arranged between the first pipe port and the second pipe port, and at this time, the U-shaped bending die for natural gas hollow pipes further comprises:
the guide elements are symmetrically arranged and are arranged below the corresponding rotary female die and fixed on the female die fixing device, and the distance between the two guide elements is the horizontal distance between the outer wall of the port of the first pipeline and the outer wall of the port of the second pipeline in the horizontal direction of the formed U-shaped pipeline;
the positioning female die is matched with the third pipeline port, is arranged at the lower part of the third pipeline port, is simultaneously installed between the symmetrically arranged guide elements in a sliding manner, and is used for positioning and guiding the third pipeline port in the forming process; and
and the elastic body is connected with the positioning female die and then fixed on the female die fixing device and used for ejecting a formed workpiece after forming.
4. The natural gas hollow pipe U-shaped bending die according to claim 3, wherein the positioning concave die is provided with a concave part at the upper part and a convex part at the lower part, the concave part is matched with the third pipe port, and the elastic body is sleeved on the convex part.
5. The natural gas hollow pipeline U-shaped bending die according to claim 4, wherein the set of symmetrically arranged guide elements is a set of guide rails, sliding grooves are arranged on the surfaces of the guide rails, which are in contact with the positioning female die, and the oppositely arranged guide rails are fixed through bolts.
6. The natural gas hollow pipeline U-shaped bending die of claim 3, wherein the rotary female die is a roller with a fourth arc part, and the elastic body is a cylindrical helical compression spring.
7. The natural gas hollow pipeline U-shaped bending die according to any one of claims 1 to 6, wherein the male die fixing device comprises a die handle, an upper die base, a backing plate and a male die fixing plate, the upper die base, the backing plate and the male die fixing plate are sequentially installed from top to bottom and then fixed, the die handle is installed on the upper die base, and the male die is fixed on the male die fixing plate.
8. The natural gas hollow pipeline U-shaped bending die according to any one of claims 1 to 6, wherein the female die fixing device comprises a lower die holder and a support plate, the lower die holder is fixed with a guide element, an elastic body and the support plate, and the support plate is further provided with a rotary female die.
9. The natural gas hollow pipeline U-shaped bending die according to any one of claims 1 to 6, wherein the natural gas hollow pipeline U-shaped bending die further comprises a driving device for driving the rotary female die to rotate.
10. The natural gas hollow pipe U-shaped bending die according to claim 9, wherein the driving device is a motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122766563.XU CN216397641U (en) | 2021-11-12 | 2021-11-12 | U-shaped bending die for natural gas hollow pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122766563.XU CN216397641U (en) | 2021-11-12 | 2021-11-12 | U-shaped bending die for natural gas hollow pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216397641U true CN216397641U (en) | 2022-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122766563.XU Active CN216397641U (en) | 2021-11-12 | 2021-11-12 | U-shaped bending die for natural gas hollow pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216397641U (en) |
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2021
- 2021-11-12 CN CN202122766563.XU patent/CN216397641U/en active Active
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