CN219650614U - Liner winding tool - Google Patents
Liner winding tool Download PDFInfo
- Publication number
- CN219650614U CN219650614U CN202320471910.2U CN202320471910U CN219650614U CN 219650614 U CN219650614 U CN 219650614U CN 202320471910 U CN202320471910 U CN 202320471910U CN 219650614 U CN219650614 U CN 219650614U
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- connecting rod
- opening
- section
- pipe joint
- wall
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- 238000004804 winding Methods 0.000 title claims abstract description 51
- 238000003780 insertion Methods 0.000 claims description 19
- 230000037431 insertion Effects 0.000 claims description 19
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 229920000049 Carbon (fiber) Polymers 0.000 abstract description 5
- 239000004917 carbon fiber Substances 0.000 abstract description 5
- 238000002360 preparation method Methods 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 239000002131 composite material Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Abstract
The utility model discloses an inner container winding tool which comprises a first connecting rod and a second connecting rod, wherein the first connecting rod comprises a connecting section and an inserting section which are connected with each other, the diameter of the inserting section is smaller than that of the connecting section, the inserting section penetrates into the inner container through a first opening of the inner container, axially penetrates through the inner container and penetrates out of the inner container from a second opening of the inner container, the connecting section is positioned outside the first opening, and the second connecting rod is arranged outside the second opening of the inner container and is connected with the inserting section of the first connecting rod penetrating out of the second opening. According to the utility model, through the first connecting rod and the second connecting rod which are matched with each other, the problem of non-concentricity caused by the fact that the two ends of the liner are respectively connected with the independent connecting rods is solved, the problem that carbon fibers are easy to deviate during rotary winding is solved, stable preparation of winding forming is ensured, and the two connecting rods are matched, so that the concentric winding process is ensured, and meanwhile, the assembly difficulty and the manufacturing precision requirement are reduced.
Description
Technical Field
The utility model relates to the field of composite material gas cylinder winding, in particular to a liner winding tool.
Background
In the production process of the composite gas cylinder, carbon fibers need to be wound on the outer side of the plastic liner. In the prior art, two ends of a plastic liner are usually connected with a single connecting rod respectively, however, in the arrangement mode, the two ends are easy to generate torsion due to easy deviation during rotary winding caused by easy concentricity in the winding forming process.
The Chinese patent with the publication number of CN214726658U discloses a winding and curing tool for a hydrogen storage cylinder, and a cylinder liner is assembled with a switching tool and a fastening pull rod for use, so that the function of a winding mandrel is integrally exerted, the deformation deflection of the cylinder liner is effectively reduced, and the forming quality of the cylinder is ensured. However, the inventor finds that in practical operation, the scheme of using a single fastening pull rod is difficult to assemble, the center of the liner with the longer length is difficult to align, and the manufacturing precision requirements of the liner, the fastening pull rod and the connecting piece are high in this way.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a liner winding tool which can reduce the assembly difficulty and the manufacturing precision requirement while ensuring concentricity of the winding process.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a inner bag winding frock, includes head rod and second connecting rod, the head rod includes interconnect's linkage segment and insert the section, and the diameter of insert the section is less than the diameter of linkage segment, insert the section and wear into the inner bag through the first opening of inner bag, the axial passes the inner bag to wear out the inner bag from the second opening of inner bag, the linkage segment is located the first opening outside, the second connecting rod sets up in the second opening outside of inner bag, links to each other with the insert section of the head rod of wearing out the second opening.
According to a further technical scheme, a first pipe joint is arranged at the first opening, a first external thread is arranged on the outer wall of the first pipe joint, a first internal thread is arranged on the inner wall of the first opening, and the first external thread is matched with the first internal thread;
the second opening is provided with a second pipe joint, the outer wall of the second pipe joint is provided with second external threads, the inner wall of the second opening is provided with second internal threads, and the second external threads are matched with the second internal threads.
According to a further technical scheme, a third external thread is arranged on the outer wall of the connecting position of the insertion section and the connecting section, a third internal thread is arranged on the inner wall of the first pipe joint, and the third external thread is matched with the third internal thread.
According to a further technical scheme, a fourth external thread is arranged on the outer wall of the connecting position of the second connecting rod and the first connecting rod, a fourth internal thread is arranged on the inner wall of the second pipe joint, and the fourth external thread is matched with the fourth internal thread.
According to a further technical scheme, a groove is formed in the joint of the second connecting rod and the first connecting rod insertion section, and the inner diameter of the groove is equal to the diameter of the insertion section.
According to a further technical scheme, the first connecting rod further comprises an extension section, the extension section is arranged at the end part of the insertion section, and the diameter of the extension section is smaller than that of the insertion section.
According to a further technical scheme, the groove is provided with a screw locking hole for fixing the first connecting rod and the second connecting rod through screws.
Further technical scheme, still be provided with rotary joint on the linkage segment of first connecting rod, last air-vent valve and the check valve of having connected gradually of rotary joint, inside still being provided with of first connecting rod is used for filling the inner bag inside with compressed air through check valve, air-vent valve, rotary joint, air-vent in proper order.
According to a further technical scheme, the first connecting rod is further provided with a first limiting block which is used for being abutted to the outer side of the first pipe joint after being assembled.
According to a further technical scheme, a second limiting block is further arranged on the second connecting rod and used for being abutted to the outer side of the second pipe joint after assembly.
The beneficial effects of the utility model are as follows:
(1) According to the utility model, through the first connecting rod and the second connecting rod which are matched with each other, the two connecting rods are of an integrated structure after assembly, the problem of non-concentricity caused by the fact that the two ends of the inner liner are respectively connected with the independent connecting rods is solved, the problem that carbon fibers are easy to deviate during rotary winding is solved, and stable preparation of winding forming is ensured. And adopt two connecting rods complex mode, can reduce assembly degree of difficulty and manufacturing accuracy requirement when guaranteeing that winding process is concentric.
(2) According to the utility model, the rotary joint is arranged on the first connecting rod, and the rotary joint can keep the pressure regulating valve and the one-way valve motionless during winding, so that the inner container is continuously inflated and pressurized during winding, the stability of the inner container internal pressure is ensured, the inner container recess caused by tension during winding and forming of a product is avoided, the fiber layer and the inner container keep high combination degree, and the product precision is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the overall structure of FIG. 1;
FIG. 3 is a cross-sectional view of the first connecting rod in position for connection with the first pipe joint;
fig. 4 is a cross-sectional view of the connection location of the second connecting rod with the first connecting rod.
Wherein, 1, an inner container, 11, a first opening, 12, a second opening, 2, a first connecting rod, 21, a connecting section, 211, a first limiting block, 22, an inserting section, 23, an extending section, 3 and a second connecting rod, 31, grooves, 311, screw locking ports, 32, second limiting blocks, 33, bolt ports, 4, first pipe joints, 5, second pipe joints, 6, rotary joints, 7, one-way valves, 8 and air guide holes.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
As shown in fig. 1, the utility model provides a liner winding tool, which is used for winding carbon fibers on the outer side of a liner 1 in the production process of a composite material gas cylinder. The liner winding tool comprises a first connecting rod 2 and a second connecting rod 3.
As shown in fig. 2, the first connecting rod 2 includes a connecting section 21 and an inserting section 22 connected to each other, wherein the diameter of the inserting section 22 is smaller than that of the connecting section, so that the second connecting rod 3 can be assembled and centered conveniently. The insertion section 22 penetrates the inner container 1 through the first opening 11 of the inner container 1, axially penetrates the inner container 1, and penetrates out of the second opening 12 of the inner container 1. The connecting section 21 is located outside the first opening 11 and is connected to the winding mechanism. The second connecting rod 2 is arranged outside the second opening 12 of the liner 1 and is connected with the insertion section 22 of the first connecting rod penetrating out of the second opening 12 so as to realize the assembly of the first connecting rod 2 and the second connecting rod 3.
As shown in fig. 3, a first pipe joint 4 is disposed at a first opening 11 of the liner, a first external thread is disposed on an outer wall of the first pipe joint 4, a first internal thread is disposed on an inner wall of the first opening 11, and the first external thread is matched with the first internal thread, so that the first pipe joint 4 is fixed at the first opening 11 for being assembled with the first connecting rod 2.
After the assembly of the liner winding tool is completed, the connection position of the connecting section 21 and the inserting section 22 is located at the first pipe joint 4, and in order to assemble the first connecting rod 2 and the first pipe joint 4 together, a third external thread is arranged on the outer wall of the connection position of the inserting section 22 and the connecting section 21, and the diameter of the inserting section is smaller than that of the connecting section, so that the third external thread is actually arranged on the connecting section. The inner wall of the first pipe joint 4 is provided with a third internal thread, the third external thread is matched with the third internal thread, and when the first pipe joint is assembled, after the first connecting rod 2 is inserted into the liner 1, the first connecting rod 2 can be directly screwed on the first pipe joint 4 through the matching relationship between the third external thread and the third internal thread.
As shown in fig. 4, the second opening 12 of the inner container is provided with a second pipe joint 5, the outer wall of the second pipe joint 5 is provided with a second external thread, the inner wall of the second opening 1 is provided with a second internal thread, and the second external thread is matched with the second internal thread, so that the second pipe joint 5 is fixed at the second opening 12 for being assembled with the second connecting rod 3.
Since the second connecting rod 3 is fixedly connected with the first connecting rod 2 after assembly, the second connecting rod 3 and the second pipe joint 5 are required to be fixed in order to ensure the stability of the assembled structure. Therefore, a fourth external thread is provided on the outer wall of the position where the second connecting rod 3 is connected to the first connecting rod 2, i.e., the outer wall of the left end portion of the second connecting rod 3 in fig. 4, and a fourth internal thread is provided on the inner wall of the second pipe joint 5 correspondingly, the fourth external thread being engaged with the fourth internal thread. So that the second connecting rod 3 can be directly screwed to the second pipe joint 5.
After the assembly of the structure is completed, the second connecting rod 3 is connected with the insertion section 22 of the first connecting rod 2, so that the second connecting rod is fixedly connected with the insertion section 22, the stable and reliable follow-up winding forming is ensured, a groove structure is arranged at the joint of the second connecting rod and the insertion section of the first connecting rod, the inner diameter of the groove 31 is equal to the diameter of the insertion section, and therefore the second connecting rod can be directly sleeved outside the insertion section 22 of the first connecting rod extending out of the second opening during the assembly, and then the second connecting rod is screwed with the second pipe joint.
In addition, the first connecting rod 2 further comprises an extension section 23, the extension section 23 is disposed at the end of the insertion section 22, and the diameter of the extension section 23 is smaller than that of the insertion section 22. The extension 23 is thus located innermost of the recess 31 when the assembly is completed.
The groove 31 is further provided with a screw locking hole 311, the position of which corresponds to the position of the extension section in the groove 31, and the screw locking hole is used for fixing the first connecting rod and the second connecting rod through screws. In the actual assembly process, after the first connecting rod and the second connecting rod are assembled, the screw is screwed in from the screw locking port and screwed, so that the screw is abutted on the extension section 23, and the combination compactness of the first connecting rod and the second connecting rod can be further improved.
In order to meet the tolerance zone requirement of the length deviation of the liner manufacturing, the depth of the groove 31 can be made deeper, and when the assembly is completed, a certain distance is still reserved between the end part of the extension section 23 and the bottom of the groove 31, so that the tool cannot be used due to the tolerance problem is avoided.
Considering that the liner may be sunken due to tension in the liner winding and forming process, the rotary joint 6 is further arranged on the first connecting rod on the basis of the liner winding tool. As shown in fig. 3, the rotary joint 6 is disposed on the connecting section 21 of the first connecting rod 2, and the rotary joint is sequentially connected with the pressure regulating valve and the one-way valve 7, or only the one-way valve 7 may be disposed, and the pressure of the compressed gas is regulated by adopting the opening degree of the valve on the compressed gas pipeline in the compressed gas cylinder or workshop. An air guide hole 8 is also arranged in the first connecting rod and is used for filling compressed air into the inner container through the one-way valve 7, the pressure regulating valve, the rotary joint 6 and the air guide hole 8 in sequence.
The rotary joint can keep the pressure regulating valve and the one-way valve motionless when winding, thereby continuously inflating and maintaining pressure for the inner container when winding is achieved, ensuring the stability of the inner pressure of the inner container, avoiding the concave inner container caused by tension when the product is wound and molded, and improving the precision of the product.
For convenient assembly, improve assembly precision, all be provided with the stopper on head rod and second connecting rod, wherein be provided with first stopper 211 on the head rod for the butt is in the first coupling outside after the assembly, is provided with second stopper 32 on the second connecting rod for the butt is in the second coupling outside after the assembly.
In order to ensure the sealing of the integral structure, sealing gaskets are arranged at the joint of the first connecting rod and the first pipe joint and the joint of the second connecting rod and the second pipe joint, and the sealing gaskets can be arranged between the pipe joint and the limiting block or at the screw thread of the pipe joint and the connecting rod.
In addition, at the end of the second connecting rod which is not connected with the inner container, a latch hole 33 is further arranged for being directly connected with a winding machine, a curing furnace and other devices so as to realize the winding forming of the inner container.
The utility model provides a liner winding tool, which comprises the following using method:
when the inner container needs to be wound and formed, the first connecting rod is inserted from the first pipe joint at the first opening position of the inner container, penetrates through the inner container and then extends out from the second pipe joint; then the first connecting rod is screwed with the first pipe joint, and sealing is realized by means of a sealing gasket; then the groove of the second connecting rod is sleeved outside the part, extending out of the second pipe joint, of the first connecting rod, and the second connecting rod is screwed on the second pipe joint and sealed by means of a sealing gasket; and then screwing in the first connecting rod and the second connecting rod from the screw locking port by using screws, so as to finish the assembly of the tool, and finally connecting the tool to a winding machine.
According to the liner winding tool, through the first connecting rod and the second connecting rod which are matched with each other, the problem of non-concentricity caused by the fact that the two ends of the liner are respectively connected with the independent connecting rods is solved, the problem that carbon fibers are easy to deviate in the process of rotating winding is solved, and stable preparation of winding forming is ensured. And adopt two connecting rods complex mode, can reduce assembly degree of difficulty and manufacturing accuracy requirement when guaranteeing that winding process is concentric.
In addition, the coupling at inner bag both ends, connecting rod all rely on the screw assembly, adopt two connecting rod complex modes, compare with using single fastening pull rod, it is comparatively easy to insert the in-process centering, and the manufacturing accuracy requirement to the inner bag is lower, and groove structure's design can effectively satisfy the tolerance zone of the length deviation of inner bag for overall structure can satisfy integrative assembly demand, and the operation is more convenient.
In addition, the rotary joint is arranged on the first connecting rod, and the rotary joint can keep the pressure regulating valve and the one-way valve motionless when in winding, so that the inner container is continuously inflated and pressure maintaining when in winding, the stability of the inner container internal pressure is ensured, the inner container is prevented from sinking due to tension when the product is wound and formed, and the precision of the product is improved.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a inner bag winding frock, its characterized in that, includes head rod and second connecting rod, the head rod includes interconnect's linkage segment and insert the section, and the diameter of insert the section is less than the diameter of linkage segment, insert the section and wear into the inner bag through the first opening of inner bag, the axial passes the inner bag to wear out the inner bag from the second opening of inner bag, the linkage segment is located the first opening outside, the second connecting rod sets up in the second opening outside of inner bag, links to each other with the insert section of the head rod of wearing out the second opening.
2. The liner winding tool according to claim 1, wherein a first pipe joint is arranged at the first opening, a first external thread is arranged on the outer wall of the first pipe joint, a first internal thread is arranged on the inner wall of the first opening, and the first external thread is matched with the first internal thread;
the second opening is provided with a second pipe joint, the outer wall of the second pipe joint is provided with second external threads, the inner wall of the second opening is provided with second internal threads, and the second external threads are matched with the second internal threads.
3. The liner winding tool according to claim 2, wherein a third external thread is arranged on the outer wall of the connecting position of the insertion section and the connecting section, a third internal thread is arranged on the inner wall of the first pipe joint, and the third external thread is matched with the third internal thread.
4. The liner winding tool according to claim 2, wherein a fourth external thread is arranged on the outer wall of the connecting position of the second connecting rod and the first connecting rod, a fourth internal thread is arranged on the inner wall of the second pipe joint, and the fourth external thread is matched with the fourth internal thread.
5. The liner winding tool according to claim 1, wherein a groove is formed at a joint of the second connecting rod and the first connecting rod insertion section, and the inner diameter of the groove is equal to the diameter of the insertion section.
6. The liner winding tooling of claim 5, wherein the first connecting rod further comprises an extension segment disposed at an end of the insertion segment, the extension segment having a diameter less than a diameter of the insertion segment.
7. The liner winding tool according to claim 6, wherein the groove is provided with a screw locking hole for fixing the first connecting rod and the second connecting rod by screws.
8. The liner winding tool according to claim 1, wherein a rotary joint is further arranged on the connecting section of the first connecting rod, the rotary joint is sequentially connected with a pressure regulating valve and a one-way valve, and an air guide hole is further formed in the first connecting rod and used for sequentially filling compressed air into the liner through the one-way valve, the pressure regulating valve, the rotary joint and the air guide hole.
9. The liner winding tool according to claim 2, wherein the first connecting rod is further provided with a first limiting block, and the first limiting block is used for abutting against the outer side of the first pipe joint after being assembled.
10. The liner winding tool according to claim 2, wherein a second limiting block is further arranged on the second connecting rod and used for being abutted to the outer side of the second pipe joint after being assembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320471910.2U CN219650614U (en) | 2023-03-13 | 2023-03-13 | Liner winding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320471910.2U CN219650614U (en) | 2023-03-13 | 2023-03-13 | Liner winding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219650614U true CN219650614U (en) | 2023-09-08 |
Family
ID=87854956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320471910.2U Active CN219650614U (en) | 2023-03-13 | 2023-03-13 | Liner winding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219650614U (en) |
-
2023
- 2023-03-13 CN CN202320471910.2U patent/CN219650614U/en active Active
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