CN108311598B - Oil pipe sealing cap rivet pressing device that rises - Google Patents
Oil pipe sealing cap rivet pressing device that rises Download PDFInfo
- Publication number
- CN108311598B CN108311598B CN201810395948.XA CN201810395948A CN108311598B CN 108311598 B CN108311598 B CN 108311598B CN 201810395948 A CN201810395948 A CN 201810395948A CN 108311598 B CN108311598 B CN 108311598B
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- Prior art keywords
- riveting
- expansion
- cylinder
- mandrel
- sealing cap
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- 238000007789 sealing Methods 0.000 title claims abstract description 56
- 238000003825 pressing Methods 0.000 title description 9
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000011007 installation qualification Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/08—Tube expanders
- B21D39/20—Tube expanders with mandrels, e.g. expandable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
- Automatic Assembly (AREA)
Abstract
The invention relates to an oil pipe sealing cap expansion riveting press fitting device which comprises a riveting cylinder assembly and an expansion cylinder assembly which are arranged in parallel, wherein the riveting cylinder assembly and the expansion cylinder assembly are connected through a cylinder support arranged at the lower part of the riveting cylinder assembly, a press fitting die is arranged on the cylinder support, a riveting mandrel is arranged in the press fitting die, an expansion mandrel capable of expanding the riveting mandrel is arranged in the riveting mandrel, and the upper end of the expansion mandrel is connected with an output shaft of the expansion cylinder assembly. Compared with the prior art, the invention adopts two groups of cylinder assemblies to press the sealing cap, firstly, the riveting cylinder pushes the press-mounting die to attach the sealing cap to the oil pipe and pushes the riveting mandrel to rivet the sealing cap, and then the expanding cylinder further rivets the sealing cap, so that the oil pipe sealing cap is pressed in two steps, which is beneficial to ensuring the mounting quality and is not easy to cause errors; the sealing surface outward expansion function is added on the basis of press fitting and riveting, and the installation qualification rate of the oil pipe sealing cap is greatly improved.
Description
Technical Field
The invention relates to a riveting device, in particular to an oil pipe sealing cap expansion riveting press-fitting device.
Background
The high-pressure fuel distribution pipe is a metal part fixed on an engine intake manifold and used for distributing high-pressure fuel, the head of the high-pressure fuel pipe joint is required to be connected with a sealing cap so as to prevent potential safety hazards caused by fuel leakage, and the sealing cap and the joint are in interference fit through a tool so as to achieve good sealing performance. At present, the high-pressure oil pipe sealing cap is pressed by adopting an interference pressing riveting mode, and the pressing mode influences the size of a product, so that the sealing cap is easy to fall off, and the mass production qualification rate is lower. When the end face press fitting is adopted for the sealing cap, the sealing cap is frequently fallen off in the process of retracting the pressing head after the stamping is finished, and a device which can ensure that the sealing cap is well attached to the joint and does not fall off is needed.
Chinese patent CN203875560U discloses a high pressure oil pipe sealing cap riveting device, comprising a cylinder assembly, a rivet pin, a shaft sleeve, a rivet pin bracket, a compression spring, a press-fitting block and a bottom plate; the cylinder assembly and the rivet pin support are arranged on the bottom plate, one end of the rivet pin is in transmission connection with the cylinder assembly, and the other end of the rivet pin sequentially penetrates through the shaft sleeve, the compression spring and the press-fit block and then is connected with the sealing cap; when the high-pressure oil pipe is pressed in place by the pressing block, the riveting pin continuously moves forward and performs interference riveting on the inner hole of the sealing cap, after the pressing is finished, the riveting pin retreats along with the cylinder component, the pressing block continuously presses the sealing cap under the action of the compression spring, and after the interference section of the riveting pin retreats from the inner hole of the sealing cap, the riveting process is completed. However, the device only realizes interference press fitting riveting, and the sealing cap is not internally expanded and cannot be completely ensured to be not fallen off.
Disclosure of Invention
The invention aims to solve the problems and provides an oil pipe sealing cap expansion riveting press-fitting device.
The aim of the invention is achieved by the following technical scheme:
the utility model provides an oil pipe sealing cap rivet pressing device that rises, includes the pressure that sets up side by side and rivets cylinder subassembly and expansion cylinder subassembly, pressure is riveted cylinder subassembly and expansion cylinder subassembly and is connected through the cylinder support who locates their lower part, be equipped with the pressure equipment mould on the cylinder support, be equipped with the riveting dabber in the pressure equipment mould, be equipped with the expansion dabber that can prop it big in the riveting dabber, the output shaft of expansion cylinder subassembly is connected to expansion dabber upper end, during the pressure equipment, pressure is riveted cylinder subassembly and is moved earlier, drives the cylinder support and is moved downwards along with expansion cylinder subassembly, promotes the pressure equipment mould and laminates the sealing cap with oil pipe, promotes simultaneously and rivets the dabber and rivet the sealing cap in place after, promotes the expansion dabber and moves downwards, outwards expands the sealing cap and rivet firmly with oil pipe, after the pressure equipment is accomplished, the expansion dabber is moved back earlier along with expansion cylinder subassembly, and the pressure equipment mould is moved back along with pressure cylinder subassembly again, accomplishes whole riveting process.
Further, the press riveting cylinder assembly comprises a press riveting cylinder and a linear guide rail arranged at the lower part of the press riveting cylinder, and an output shaft of the press riveting cylinder is connected to the cylinder bracket.
Further, the expansion cylinder assembly comprises an expansion cylinder and a connecting bracket, and the expansion cylinder assembly is connected with the cylinder bracket through the connecting bracket.
Further, the upper part of the press-fit die is provided with a compression spring.
Further, the middle part of the riveting mandrel is provided with a cavity structure, the lower end of the riveting mandrel is provided with a plurality of openable separation blocks, and the bottommost end of the riveting mandrel is hemispherical.
Further, the expansion mandrel is arranged in a cavity structure of the riveting mandrel, the bottom of the cavity is of a conical structure, the lower end of the expansion mandrel is of a conical structure matched with the bottom shape of the cavity, and when the expansion mandrel moves downwards, the split joint blocks at the lower part of the riveting mandrel are spread.
Further, a groove matched with the sealing cap is formed in the lower portion of the press-fit die.
Compared with the prior art, the device has the following advantages:
1. the parallel cylinder assemblies are adopted for press mounting of the sealing caps, the press-riveting cylinder is used for pushing the press mounting die to attach the sealing caps to the oil pipes and pushing the riveting mandrel to rivet the sealing caps, and the expanding cylinder is used for further riveting, so that the oil pipe sealing caps are subjected to two-step press mounting, namely, preassembling and complete mounting are performed, the mounting quality is guaranteed, and errors are not easy to occur.
2. The sealing surface outward expansion function is added on the basis of press fitting and riveting, riveting and inward expansion are carried out after the sealing cap is pressed and assembled to the size, the product size is accurate, the falling off is avoided, and the installation qualification rate of the oil pipe sealing cap is greatly improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the device of the present invention;
FIG. 2 is a schematic diagram of the press-fitting process of the present invention in specific use;
in the figure: the expansion cylinder 1, the press riveting cylinder 2, the compression spring 3, the expansion mandrel 4, the linear guide rail 5, the riveting mandrel 6, the cylinder bracket 7, the press mounting die 8, the sealing cap 9, the connecting bracket 10 and the oil pipe 11.
Description of the embodiments
The invention will now be described in detail with reference to the drawings and specific examples.
Examples
As shown in fig. 1, an oil pipe sealing cap expansion riveting press mounting device comprises a riveting cylinder assembly and an expansion cylinder assembly which are arranged in parallel, wherein the riveting cylinder assembly is connected with the expansion cylinder assembly through a cylinder support 7 arranged at the lower part of the riveting cylinder assembly, the riveting cylinder assembly comprises a riveting cylinder 2 and a linear guide rail 5 arranged at the lower part of the riveting cylinder 2, an output shaft of the riveting cylinder 2 is connected to the cylinder support 7, the expansion cylinder assembly comprises an expansion cylinder 1 and a connecting support 10, and the expansion cylinder assembly is connected with the cylinder support 7 through the connecting support 10. The cylinder support 7 is provided with a press-fit die 8, a riveting mandrel 6 is arranged in the press-fit die 8, an expansion mandrel 4 capable of expanding the riveting mandrel 6 is arranged in the riveting mandrel 6, the upper end of the expansion mandrel 4 is connected with an output shaft of the expansion cylinder assembly, the upper part of the press-fit die 8 is provided with a compression spring 3, the compression spring 3 is sleeved on the expansion mandrel 4, and the compression spring 3 has an elastic effect on the press-fit die 8 and the riveting mandrel 6.
The middle part of the riveting mandrel 6 is provided with a cavity structure, the lower end of the riveting mandrel 6 is provided with a plurality of expandable split blocks, the bottommost end of the riveting mandrel 6 is hemispherical, the expansion mandrel 4 is arranged in the cavity structure of the riveting mandrel 6, the bottom of the cavity is of a conical structure, the lower end of the expansion mandrel 4 is of a conical structure matched with the bottom shape of the cavity, the split blocks at the lower part of the riveting mandrel 6 are expanded when the expansion mandrel 4 moves downwards, and the lower part of the press-fit die 8 is provided with a groove matched with the sealing cap 9.
During press fitting, the oil pipe 11 is manually placed into the fixed support, the press riveting cylinder 2 is started after the oil pipe 11 is fixed, the press riveting cylinder 2 pushes the press fitting die 8 to attach the sealing cap 9 to the oil pipe 11, meanwhile, the riveting core 6 is pushed to rivet the sealing cap 9, and after the mandrel 6 is in place, the expansion cylinder 1 pushes the expansion mandrel 4 to expand the sealing cap 9 to firmly rivet the sealing cap 9 and the oil pipe 11. The specific action process is shown in fig. 2, the riveting cylinder assembly firstly acts to drive the cylinder bracket 7 to move downwards together with the expansion cylinder assembly, the press-fit die 8 is pushed to attach the sealing cap 9 to the oil pipe 11, meanwhile, the riveting mandrel 6 is pushed to rivet the sealing cap 9, after the riveting mandrel 6 is in place, the expansion cylinder assembly further acts to push the expansion mandrel 4 to move downwards, the sealing cap 9 is outwards expanded to firmly rivet the sealing cap 9 and the oil pipe 11, after the press-fit is completed, the expansion mandrel 4 firstly retreats along with the expansion cylinder assembly, the press-fit die 8 retreats along with the riveting cylinder assembly after the riveting mandrel 6 is completely retreated, and the whole riveting process is completed.
Claims (2)
1. The utility model provides an oil pipe sealing cap rises and rivets pressure equipment device, its characterized in that includes pressure that sets up side by side and rivets cylinder subassembly and expansion cylinder subassembly, pressure is riveted cylinder subassembly and expansion cylinder subassembly and is connected through locating cylinder support (7) of their lower part, be equipped with pressure equipment mould (8) on cylinder support (7), be equipped with riveting dabber (6) in pressure equipment mould (8), be equipped with in riveting dabber (6) and prop up it big expansion dabber (4), the output shaft of expansion cylinder subassembly is connected to expansion dabber (4) upper end,
during press fitting, the press riveting cylinder assembly firstly acts to drive the cylinder bracket (7) to move downwards together with the expansion cylinder assembly, the press fitting die (8) is pushed to attach the sealing cap (9) to the oil pipe (11), meanwhile, the riveting mandrel (6) is pushed to rivet the sealing cap (9), after the riveting mandrel (6) is in place, the expansion cylinder assembly is further acted to push the expansion mandrel (4) to move downwards, the sealing cap (9) is outwards expanded to firmly rivet the sealing cap (9) and the oil pipe (11), after press fitting is completed, the expansion mandrel (4) firstly retreats along with the expansion cylinder assembly, and after the riveting mandrel (6) retreats completely, the press fitting die (8) retreats along with the press riveting cylinder assembly, so that the whole riveting process is completed;
the upper part of the press-fit die (8) is provided with a compression spring (3), and the compression spring (3) is sleeved on the expansion mandrel (4);
the middle part of the riveting mandrel (6) is provided with a cavity structure, the lower end of the riveting mandrel is provided with a plurality of openable split blocks, and the bottommost end of the riveting mandrel (6) is hemispherical;
the expansion mandrel (4) is arranged in a cavity structure of the riveting mandrel (6), the bottom of the cavity is of a conical structure, the lower end of the expansion mandrel (4) is of a conical structure matched with the shape of the bottom of the cavity, and when the expansion mandrel (4) moves downwards, the split joint blocks at the lower part of the riveting mandrel (6) are spread;
the press riveting cylinder assembly comprises a press riveting cylinder (2) and a linear guide rail (5) arranged at the lower part of the press riveting cylinder (2), and an output shaft of the press riveting cylinder (2) is connected to the cylinder bracket (7);
the expansion cylinder assembly comprises an expansion cylinder (1) and a connecting bracket (10), and the expansion cylinder assembly is connected with the cylinder bracket (7) through the connecting bracket (10).
2. The oil pipe sealing cap rivet-expanding press device according to claim 1, wherein a groove matched with the sealing cap (9) is formed in the lower portion of the press-fitting die (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810395948.XA CN108311598B (en) | 2018-04-27 | 2018-04-27 | Oil pipe sealing cap rivet pressing device that rises |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810395948.XA CN108311598B (en) | 2018-04-27 | 2018-04-27 | Oil pipe sealing cap rivet pressing device that rises |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108311598A CN108311598A (en) | 2018-07-24 |
| CN108311598B true CN108311598B (en) | 2023-11-14 |
Family
ID=62895459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810395948.XA Active CN108311598B (en) | 2018-04-27 | 2018-04-27 | Oil pipe sealing cap rivet pressing device that rises |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108311598B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807248A (en) * | 2019-02-22 | 2019-05-28 | 法拉达汽车散热器（天津）有限公司 | A kind of support board mount rises riveting tool |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2081636A (en) * | 1980-04-22 | 1982-02-24 | Filer Sandra Lee | Tube extractor |
| SU1685670A1 (en) * | 1989-02-13 | 1991-10-23 | Предприятие П/Я М-5612 | Device for pressing-in and expanding bushes |
| CN1802233A (en) * | 2003-04-30 | 2006-07-12 | Pem管理股份有限公司 | Tool for installing blind threaded fasteners |
| CN101804556A (en) * | 2010-03-24 | 2010-08-18 | 中山市科力高自动化设备有限公司 | Sieve mesh punching mechanism of molecular sieve assembling device |
| CN203875560U (en) * | 2014-05-26 | 2014-10-15 | 上海众源燃油分配器制造有限公司 | High-pressure oil pipe sealing cap riveting device |
| CN106078169A (en) * | 2016-08-01 | 2016-11-09 | 上海众源燃油分配器制造有限公司 | A kind of high-pressure oil pipe seals cap press-loading apparatus |
| CN208303693U (en) * | 2018-04-27 | 2019-01-01 | 上海众源燃油分配器制造有限公司 | A kind of tubing seal cap rises riveting assembling device |
-
2018
- 2018-04-27 CN CN201810395948.XA patent/CN108311598B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2081636A (en) * | 1980-04-22 | 1982-02-24 | Filer Sandra Lee | Tube extractor |
| SU1685670A1 (en) * | 1989-02-13 | 1991-10-23 | Предприятие П/Я М-5612 | Device for pressing-in and expanding bushes |
| CN1802233A (en) * | 2003-04-30 | 2006-07-12 | Pem管理股份有限公司 | Tool for installing blind threaded fasteners |
| CN101804556A (en) * | 2010-03-24 | 2010-08-18 | 中山市科力高自动化设备有限公司 | Sieve mesh punching mechanism of molecular sieve assembling device |
| CN203875560U (en) * | 2014-05-26 | 2014-10-15 | 上海众源燃油分配器制造有限公司 | High-pressure oil pipe sealing cap riveting device |
| CN106078169A (en) * | 2016-08-01 | 2016-11-09 | 上海众源燃油分配器制造有限公司 | A kind of high-pressure oil pipe seals cap press-loading apparatus |
| CN208303693U (en) * | 2018-04-27 | 2019-01-01 | 上海众源燃油分配器制造有限公司 | A kind of tubing seal cap rises riveting assembling device |
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| Publication number | Publication date |
|---|---|
| CN108311598A (en) | 2018-07-24 |
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