CN202591440U - Internal high-pressure forming sleeved-connection device for camshafts - Google Patents
Internal high-pressure forming sleeved-connection device for camshafts Download PDFInfo
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- CN202591440U CN202591440U CN 201220111453 CN201220111453U CN202591440U CN 202591440 U CN202591440 U CN 202591440U CN 201220111453 CN201220111453 CN 201220111453 CN 201220111453 U CN201220111453 U CN 201220111453U CN 202591440 U CN202591440 U CN 202591440U
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- China
- Prior art keywords
- camshaft
- pressure forming
- central siphon
- internal high
- high pressure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model provides an internal high-pressure forming sleeved-connection device for camshafts. The sleeved-connection device comprises an operating platform, a camshaft mold, a slide block, a cylinder body and a high-pressure source, wherein the camshaft mold is arranged on the operating platform; the slide block is arranged at the top of the camshaft mold; the cylinder body is arranged outside the camshaft mold and communicated with a shaft tube of a camshaft, and liquid is stored in the cylinder body; the high-pressure source can be communicated with the two ends of the shaft tube, and used for exerting pressure in the shaft tube, and the high-pressure source is provided with a controller for controlling the exerted pressure. Compared with the existing hot charging, bonding and key joint methods, the internal high-pressure forming sleeved-connection device for camshafts reduces the manufacturing procedure, namely, reduces the production procedure, and then improves the production efficiency of camshafts. Meanwhile, according to the internal high-pressure forming sleeved-connection device for camshafts disclosed by the utility model, a whole camshaft is placed in the camshaft mold so as to complete the sleeved-connection integrally at one time, thereby simplifying the production procedure of camshafts, and then improving the production efficiency of camshafts.
Description
Technical field
The utility model relates to camshaft manufacturing equipment technical field, more particularly, relates to a kind of internal high pressure forming sleeve joint device of camshaft.
Background technology
Camshaft is mainly used in engine, and its effect is the unlatching and the closed action of control valve.Because the valve motion rule is related to the power and the service performance of an engine, so camshaft is one of vitals of engine.
At present, camshaft mainly adopts fabricated structure, and the camshaft that whole difficulty of processing is big is decomposed into processing and is relatively easy to cam unit and central siphon, through diverse ways cam unit and central siphon is coupled together the formation camshaft again.According to the difference of method of attachment, the knockdown manufacturing approach of camshaft is mainly hot charge practice, bonding method or key connection method.
But; Hot charge practice and bonding method require strict to the fit-up gap of camshaft; For example the endoporus of central siphon, locating ring and cam unit endoporus need accurately processing; Make that the manufacturing procedure of central siphon, locating ring and cam unit is complicated, the manufacturing time of camshaft is longer, causes the production efficiency of camshaft lower; The manufacturing process of key connection method is also complicated, need on central siphon, mill out keyway, makes that the manufacturing procedure of camshaft is complicated, causes the production efficiency of camshaft lower.
Simultaneously; Hot charge practice, bonding method and key connection method are when being combined into camshaft; Once can only make up a central siphon, a locating ring and a cam unit or some central siphons, some locating rings and some cams unit, need combination repeatedly just can be combined into complete camshaft, make that the production process of camshaft is more loaded down with trivial details; Production process is more, finally causes the production efficiency of camshaft lower.
In addition, use the hot joining method in the process of combined camshaft, the phase angle of camshaft is wayward, causes the moment of torsion reliability of camshaft lower; Simultaneously, the equipment manufacturing cost of key connection method needs is higher.
In sum, how simplifying the production process of camshaft, and then improve the production efficiency of camshaft, is present those skilled in the art's problem demanding prompt solution.
The utility model content
In view of this, the utility model provides a kind of internal high pressure forming sleeve joint device of camshaft, has simplified the production process of camshaft, and then improves the production efficiency of camshaft.
In order to achieve the above object, the utility model provides following technical scheme:
The utility model provides a kind of internal high pressure forming sleeve joint device of camshaft, and this sleeve joint device comprises:
Workbench;
Be arranged at the camshaft mould on the said workbench;
Be arranged at the slide block of said camshaft mold top;
It is outside to be arranged on said camshaft mould, and the cylinder body that is connected with the central siphon of said camshaft, stores liquid in the said cylinder body;
Can all be connected with the two ends of said central siphon, and be used for the high-voltage power supply to said central siphon internal pressurization, said high-voltage power supply is provided with the controller that is used to control moulding pressure.
Preferably, in the internal high pressure forming sleeve joint device of above-mentioned camshaft, said camshaft mould comprises: lower module and the upper module that links to each other with said lower module sealing form the die cavity that matches with said camshaft between said upper module and the said lower module;
Be arranged on the said workbench, be used to install the upper bolster and the die shoe of said upper module and said lower module.
Preferably, in the internal high pressure forming sleeve joint device of above-mentioned camshaft, said upper bolster and said upper module and said die shoe and said lower module are fixedly linked through positioning key respectively.
Preferably, in the internal high pressure forming sleeve joint device of above-mentioned camshaft, the number of said cylinder body is specially two, is relatively arranged on the both sides of said camshaft mould.
Preferably, in the internal high pressure forming sleeve joint device of above-mentioned camshaft, said high-voltage power supply is specially booster pump.
Preferably, in the internal high pressure forming sleeve joint device of above-mentioned camshaft, said cylinder body links to each other with said central siphon through plunger mechanism; Said plunger mechanism comprises: the drift that is provided with through hole and is connected with said central siphon and links to each other with said cylinder body and supports the punch holder of said drift.
Preferably, in the internal high pressure forming sleeve joint device of above-mentioned camshaft, said drift links to each other through flange with said punch holder.
The method for using of the internal high pressure forming sleeve joint device of the camshaft that the utility model provides is following:
At first cam unit and locating ring are set on the central siphon, form camshaft; Again camshaft is put into the camshaft mould that is arranged on the workbench, by the internal structure restriction cam unit of camshaft mould and the axial displacement of locating ring, then with this camshaft mould matched moulds; Cylinder is annotated interior liquid to be injected in the central siphon; Liquid in the central siphon is pressurizeed from the two ends of central siphon through high-voltage power supply; Through the fluid pressure in the controller control central siphon of high-voltage power supply; Central siphon generation plastic expansion is contacted with the inwall of locating ring and the inwall of cam unit until the outer wall of central siphon; Continue to increase the hydraulic coupling in the central siphon, make locating ring and cam unit generation strain; Stop liquid pressurization in the central siphon is shed the hydraulic coupling in the central siphon, central siphon, locating ring and cam unit generation elastic recovery promptly obtain required camshaft.
The internal high pressure forming sleeve joint device of the camshaft that the utility model provides; Adopt the camshaft mould, the cylinder body of inner high voltage can be provided, and workbench and slide block; Method through internal high pressure forming can be fixed on cam unit and locating ring on the central siphon; Obtain required camshaft, compare with bonding with existing hot charging, lower for the external diameter requirement on machining accuracy of the endoporus of cam unit and locating ring, central siphon; Compare with existing key connection method, need not keyway is set on central siphon, thereby reduced manufacturing procedure, promptly reduced production process, and then improved the production efficiency of camshaft.
Simultaneously; The internal high pressure forming sleeve joint device of the camshaft that the utility model provides is fixed on all cam unit and locating ring on the central siphon together, and whole camshaft is put into the camshaft mould; Be that the camshaft one piece is accomplished socket; Need not carrying out repeatedly socket, simplified the production process of camshaft, and then improved the production efficiency of camshaft.
Simultaneously, the utility model provides the internal high pressure forming sleeve joint device of camshaft, controls the phase angle of camshaft through the camshaft mould, and one piece is accomplished socket, can control the phase angle of camshaft preferably, and then improve the moment of torsion reliability of camshaft; And the cost of camshaft mould is lower, and with the required apparatus in comparison of existing key connection method, equipment manufacturing cost is lower, has reduced the production cost of camshaft.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the internal high pressure forming sleeve joint device of the camshaft that Fig. 1 provides for the utility model embodiment.
Among last Fig. 1:
Cylinder rack 1, cylinder body 2, punch holder 3, drift pressing plate 4, flange 5, drift 6, slide block 7, upper bolster 8, upper module 9, positioning key 10, camshaft 11, lower module 12, die shoe 13, workbench 14.
The specific embodiment
The utility model provides a kind of internal high pressure forming sleeve joint device of camshaft, has simplified the production process of camshaft, and then improves the production efficiency of camshaft.
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to accompanying drawing 1, the structural representation of the internal high pressure forming sleeve joint device of the camshaft that Fig. 1 provides for the utility model embodiment.
The internal high pressure forming sleeve joint device of the camshaft that the utility model embodiment provides, this sleeve joint device comprises: workbench 14; Be arranged at the camshaft mould on the workbench 14; Be arranged at the slide block 7 of camshaft mold top; It is outside to be arranged on the camshaft mould, and the cylinder body 2 that is connected with the central siphon of camshaft 11, stores liquid in the cylinder body 2; Can all be connected with the two ends of said central siphon, and be used for the high-voltage power supply to said central siphon internal pressurization, said high-voltage power supply is provided with the controller that is used to control moulding pressure.
The method for using of the internal high pressure forming sleeve joint device of the camshaft that the utility model embodiment provides is following:
At first cam unit and locating ring are set on the central siphon, form camshaft 11; Again camshaft 11 is put into the camshaft mould that is arranged on the workbench 14, by the internal structure restriction cam unit of camshaft mould and the axial displacement of locating ring, then with this camshaft mould matched moulds; Liquid in the cylinder body 2 is injected in the central siphon; Liquid in the central siphon is pressurizeed from the two ends of central siphon through high-voltage power supply; Through the fluid pressure in the controller control central siphon of high-voltage power supply; Central siphon generation plastic expansion is contacted with the inwall of locating ring and the inwall of cam unit until the outer wall of central siphon, continue, make locating ring and cam unit generation strain the pressurization of the liquid in the central siphon; Shed the hydraulic coupling in the central siphon; Central siphon, locating ring and cam unit generation elastic recovery; Because the ratio of the elastic modelling quantity of the elastic modelling quantity of central siphon and locating ring is greater than the flow stress of central siphon and the flow stress ratio of locating ring, the ratio of the elastic modelling quantity of the elastic modelling quantity of central siphon and cam unit is greater than the flow stress of central siphon and the flow stress ratio of cam unit, and promptly the elastic recovery amount of locating ring and cam unit is all greater than the elastic recovery amount of central siphon; After making that central siphon, locating ring and cam unit generation elastic recovery finish; Cam unit and locating ring can not restore to the original state fully, have kept the part elastic module, make cam unit and central siphon interference be fixedly linked; Locating ring and central siphon interference are fixedly linked; Residual contact pressure between residual contact pressure between cam unit and the central siphon and locating ring and the central siphon makes this camshaft 11 can bear certain moment of torsion and pulling-out force, makes camshaft 11 satisfy instructions for use, promptly obtains required camshaft 11.
The internal high pressure forming sleeve joint device of the camshaft that the foregoing description provides; Adopt the camshaft mould, the cylinder body 2 of inner high voltage can be provided, and workbench 14 and slide block 7; Method through internal high pressure forming can be fixed on cam unit and locating ring on the central siphon; Obtain required camshaft 11, compare with bonding with existing hot charging, lower for the external diameter requirement on machining accuracy of the endoporus of cam unit and locating ring, central siphon; Compare with existing key connection method, need not keyway is set on central siphon, thereby reduced manufacturing procedure, promptly reduced production process, and then improved the production efficiency of camshaft 11.
Simultaneously; The internal high pressure forming sleeve joint device of the camshaft that the utility model provides is fixed on all cam unit and locating ring on the central siphon together, and whole camshaft 11 is put into the camshaft mould; Be that camshaft 11 one pieces are accomplished socket; Need not carrying out repeatedly socket, simplified the production process of camshaft 11, and then improved the production efficiency of camshaft 11.
Simultaneously; The utility model provides the internal high pressure forming sleeve joint device of camshaft, controls the phase angle of camshaft 11 through the camshaft mould, and one piece is accomplished socket; Can control the phase angle of camshaft 11 preferably, and then improve the moment of torsion reliability of camshaft 11; And the cost of camshaft mould is lower, and with the required apparatus in comparison of existing key connection method, equipment manufacturing cost is lower, has reduced the production cost of camshaft 11.
In the internal high pressure forming sleeve joint device of the camshaft that the foregoing description provides, for stablizing of cylinder body 2, generally adopt cylinder rack 1 to support cylinder body 2, the utility model is not done qualification particularly for the concrete shape and the structure of cylinder rack 1.
In the internal high pressure forming sleeve joint device of the camshaft that the foregoing description provides, the camshaft mould is decided according to the structure of required camshaft 11, and the utility model is not done particularly the concrete shape of camshaft mould and limited.The camshaft mould has various ways, and preferred, the camshaft mould comprises: lower module 12 and the upper module 9 that links to each other with lower module 12 sealings form the die cavity that matches with camshaft 11 between upper module 9 and the lower module 12; Be arranged on the workbench 14, be used to install the upper bolster 8 and die shoe 13 of module 9 and lower module 12.Upper bolster 8 is used to support upper module 9, and die shoe 13 is used to support lower module 12, is convenient to the installation of this camshaft mould.Upper bolster 8 is connected with multiple mode with upper module 9 and die shoe 13 with lower module 12, the preferential selection, and upper bolster 8 is fixedly linked through positioning key 10 respectively with lower module 12 with upper module 9, die shoe 13.Certainly can be fixedly linked through alignment pin, the utility model is not done this particularly and is limited yet.
For the ease of in central siphon, injecting liquid, in the internal high pressure forming sleeve joint device of the camshaft that the foregoing description provides, the number of cylinder body 2 is specially two, is relatively arranged on the both sides of camshaft mould.Other relevant devices also change according to the number of cylinder body 2.Like this, inject liquid respectively, be convenient to liquid and fill with central siphon, also accelerated production from the two ends of central siphon.
In the internal high pressure forming sleeve joint device of the camshaft that the foregoing description provides, high-voltage power supply has various ways, and is preferred; High-voltage power supply is a booster pump; To the pressurization of the liquid in the central siphon, can valve be set through booster pump, be used to regulate the pressure of increase pump the liquid pressurization in the exit of booster pump.Certainly, high-voltage power supply also can be hydraulic cylinder, and the utility model is not done this particularly and limited.
In the internal high pressure forming sleeve joint device of the camshaft that the foregoing description provides, cylinder body 2 links to each other with central siphon and can directly link to each other through pipeline, also can link to each other through nozzle, and preferred, cylinder body 2 links to each other with central siphon through plunger mechanism; Plunger mechanism comprises: drift 6 that is connected with the central siphon of camshaft 11 and the punch holder 3 that is used for punch support 6.The utility model is not done particularly the mode that links to each other of cylinder body 2 and central siphon and is limited.Drift 6 can directly be weldingly connected with punch holder 3, also can link to each other through flange 5.For the ease of the installation of flange 5, be convenient to the fixing of drift 6, between flange 5 and punch holder 3, be provided with drift pressing plate 4.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (7)
1. the internal high pressure forming sleeve joint device of a camshaft is characterized in that, comprising:
Workbench (14);
Be arranged at the camshaft mould on the said workbench (14);
Be arranged at the slide block (7) of said camshaft mold top;
It is outside to be arranged on said camshaft mould, and the cylinder body (2) that is connected with the central siphon of said camshaft (11), and said cylinder body stores liquid in (2);
Can all be connected with the two ends of said central siphon, and be used for the high-voltage power supply to said central siphon internal pressurization, said high-voltage power supply is provided with the controller that is used to control moulding pressure.
2. the internal high pressure forming sleeve joint device of camshaft according to claim 1; It is characterized in that; Said camshaft mould comprises: lower module (12) and the upper module (9) that links to each other with said lower module (12) sealing form the die cavity that matches with said camshaft (11) between said upper module (9) and the said lower module (12);
Be arranged on the said workbench (14), be used to install the upper bolster (8) and the die shoe (13) of said upper module (9) and said lower module (12).
3. the internal high pressure forming sleeve joint device of camshaft according to claim 2 is characterized in that, said upper bolster (8) is fixedly linked through positioning key (10) respectively with said lower module (12) with said upper module (9) and said die shoe (13).
4. the internal high pressure forming sleeve joint device of camshaft according to claim 1 is characterized in that, the number of said cylinder body (2) is specially two, is relatively arranged on the both sides of said camshaft mould.
5. the internal high pressure forming sleeve joint device of camshaft according to claim 1 is characterized in that, said high-voltage power supply is specially booster pump.
6. according to the internal high pressure forming sleeve joint device of any described camshaft among the claim 1-5, it is characterized in that said cylinder body (2) links to each other with said central siphon through plunger mechanism; Said plunger mechanism comprises: the drift that is provided with through hole and is connected with said central siphon (6) and be used to support the punch holder (3) of said drift (6).
7. the internal high pressure forming sleeve joint device of camshaft according to claim 6 is characterized in that, said drift (6) links to each other through flange (5) with said punch holder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220111453 CN202591440U (en) | 2012-03-22 | 2012-03-22 | Internal high-pressure forming sleeved-connection device for camshafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220111453 CN202591440U (en) | 2012-03-22 | 2012-03-22 | Internal high-pressure forming sleeved-connection device for camshafts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202591440U true CN202591440U (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220111453 Expired - Lifetime CN202591440U (en) | 2012-03-22 | 2012-03-22 | Internal high-pressure forming sleeved-connection device for camshafts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202591440U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615202A (en) * | 2012-03-22 | 2012-08-01 | 吉林省元隆达工装设备有限公司 | Method and device for inner high-pressure forming coupling of camshaft |
| CN108480481A (en) * | 2018-04-16 | 2018-09-04 | 西安飞机工业（集团）有限责任公司 | A kind of method of stretch forming of airplane wingtip skins front edges |
-
2012
- 2012-03-22 CN CN 201220111453 patent/CN202591440U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615202A (en) * | 2012-03-22 | 2012-08-01 | 吉林省元隆达工装设备有限公司 | Method and device for inner high-pressure forming coupling of camshaft |
| CN102615202B (en) * | 2012-03-22 | 2014-08-27 | 吉林省元隆达工装设备有限公司 | Method for inner high-pressure forming coupling of camshaft |
| CN108480481A (en) * | 2018-04-16 | 2018-09-04 | 西安飞机工业（集团）有限责任公司 | A kind of method of stretch forming of airplane wingtip skins front edges |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171211 Address after: Zone 136600 Liaoyuan City, Jilin Province Industrial Dongliao County Patentee after: Jilin Province Xuan frame Co., Ltd. Address before: Liaoyuan City, Jilin province 136600 Baiquan Town Dongliao County Lian Chang village five groups Patentee before: Jilin Yuanlongda Tooling Equipment Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121212 |
|
| CX01 | Expiry of patent term |