CN102601613A - Assembly tooling for diesel engine valve collet - Google Patents
Assembly tooling for diesel engine valve collet Download PDFInfo
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- CN102601613A CN102601613A CN2012100725064A CN201210072506A CN102601613A CN 102601613 A CN102601613 A CN 102601613A CN 2012100725064 A CN2012100725064 A CN 2012100725064A CN 201210072506 A CN201210072506 A CN 201210072506A CN 102601613 A CN102601613 A CN 102601613A
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- diesel engine
- assembly tooling
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Abstract
The invention discloses an assembly tooling for a diesel engine valve collet, which comprises a forked pressure head, wherein an opening of the forked pressure head is smaller than a horizontal size of a valve spring upper base and used for pressing down the valve spring upper base, and the opening of the forked pressure head is at least larger than a stem outer diameter of a valve stem for installing the valve collet. In use, a pressure towards the valve spring upper base is applied to the forked pressure head, the spring is compressed and three ring slots are exposed, three annular bulges on two flaps of the valve collet are embedded in three rings and the valve collet is formed as one piece, the forked pressure head releases the valve spring upper base, and the valve spring upper base is externally sleeved on the valve collet outer circle under the spring action. With the assembly tooling, positioning and assembling can be rapidly carried out; the coaxiality of the valve collet, the valve spring upper base and the valve stem can be ensured; the direction of the spring force can be made to meet the stem movement requirement; the assembled valve system can be ensured to accord with the operating condition of the diesel engine; the working efficiency in assembly can be increased; and the assembly tooling is especially suitable for the assembling requirement of batch production of multi-valve diesel engines.
Description
Technical field
The present invention relates to a kind of servicing unit, particularly a kind of assembly aid that is used for the Diesel engine valve assembly owing to the plant equipment assembling.
Background technology
The valve of engine is the access way of combustion chamber gas, through moving back and forth the keying that realizes valve, will bear great alternation and shock loading during motion at work.In the prior art; Closing by valve spring of valve accomplished; Spring carries out the pretightning force that valve is closed in spacing transmission through cotter seat, and valve collet then is that spacing parts are carried out at the valve spring seat of honour, is used to guarantee that spring is used to close the pretightning force of valve; Since the main effect of valve collet be with the valve spring seat of honour to upper limit, thereby whether the mounting structure of valve collet has preferably for the valve spring seat of honour, and whether axiality, initial tension of spring direction and valve-closing align the bigger effect of playing.
In the prior art; For guaranteeing that the valve spring seat of honour and valve stem have axiality preferably; Thereby make the initial tension of spring direction guarantee the smooth and easy keying of valve; Valve collet install the back through up big and down small conical outer surface limit the valve spring seat of honour to top offset, have automatic centering effect preferably.
Diesel engine is because cylinder pressure is higher; Its valve collet is two lobes that axially separate, and inner surface forms three road annular protrusions, and the valve stem corresponding site forms three roads and annular protrusion three road annular grooves one to one; Annular protrusion embeds three road annular grooves with the valve collet axial restraint; Simultaneously, it is radially fixing to its two lobe that the valve spring seat of honour is coated at valve collet, avoids scattering; Three road groove structural designs have better positioning effect; Be adapted to the operating mode of diesel engine, but comparatively difficulty is installed, normally usedly be pressed into the method for valve end with the spring seat of honour if adopt; The taper hole diameter that the external diameter of complete locker after by valve stem end distending is far longer than the spring seat of honour is installed; Two lobe valve collets can't accurately be contained in the rod slot of valve end and cause the reliability of locker assembling low, and axiality is relatively poor, influences the smooth and easy operation of valve; And efficiency of assembling is comparatively low.
Therefore, need improve, be applicable to the assembling of diesel engine spiracle locker the mode of existing valve system assembling; Can locate fast and install; Can guarantee the axiality between valve collet, the valve spring seat of honour and the valve stem in the assembling process, make the direction of spring force meet push rod motion requirement, the operating condition of the valve system compound diesel machine after guaranteeing to assemble; Improve assembly work efficient, be suitable for producing in batches the needs of assembling.
Summary of the invention
In view of this, the present invention provides the assembly tooling of a kind of Diesel engine valve collet, is applicable to the assembling of diesel engine spiracle locker; Can locate fast and install; Can guarantee the axiality between valve collet, the valve spring seat of honour and the valve stem in the assembling process, make the direction of spring force meet push rod motion requirement, the valve system after guaranteeing to assemble meets the operating condition of diesel engine; Improve assembly work efficient, be suitable for producing in batches the needs of assembling.
Diesel engine valve collet of the present invention assembly tooling; Comprise the fork-shaped pressure head; The opening of said fork-shaped pressure head is less than the lateral dimension at the valve spring seat of honour and be used to press down the valve spring seat of honour, and the opening of fork-shaped pressure head is used to install the bar section external diameter of valve collet at least greater than valve stem.
Further, the opening of said fork-shaped pressure head is installed on the maximum gauge behind the valve stem greater than valve collet and is used for being installed on the overall structure that forms behind the valve stem through valve collet;
Further, also comprise the support that is used to support the fork-shaped pressure head and be used to drive the driving mechanism that the fork-shaped pressure head moves up and down; Said support be provided be used for holding workpieces and with workpiece be positioned fork-shaped pressure head bottom and make inlet valve or/and exhaust valve over against the base of fork-shaped pressure head;
Further; Said support also is provided with the pressure head mount pad, and the fork-shaped pressure head is provided with to extend upward and is fixed with guide post, and said guide post cooperates with the guide holder that is provided with on the mode of can slide up and down and the pressure head mount pad; Said driving mechanism comprises connecting rod and driving handle; Said driving handle end is articulated in the pressure head mount pad, and connecting rod one end is articulated in the driving handle stage casing, and the other end is articulated in the guide post upper end and is formed for driving the toggle that guide post slides up and down along guide holder;
Further, said support also is provided with horizontal guide rail, and said pressure head mount pad is provided with the slide block that cooperates with horizontal guide rail, said pressure head mount pad through slide block moving and the mode of locating is arranged at horizontal guide rail along the orientation of workpiece valve;
Further; Said base is provided with the workpiece supporting plate that is used for workpiece support and location; Said horizontal guide rail is arranged at support through backboard, is distributed with locating hole on the said backboard, and said pressure head mount pad is provided with the alignment pin that is used for cooperating with locating hole with pressure head mount pad horizontal location; After said alignment pin inserted locating hole, said fork-shaped pressure head was on workpiece inlet valve push rod upper end or exhaust valve push rod;
Further, but said workpiece supporting plate is arranged at base with the mode of 180 ° of rotations of level at least, and said workpiece supporting plate is provided with back-up block that is used for supporting workpiece and the alignment pin that is used for adapting it being positioned with Workpiece structure;
The alignment pin II that locatees when further, said alignment pin comprises the alignment pin I that locatees when being used to be installed into valve collet arranged side by side up and down and is used to the exhaust valve locker is installed; Corresponding with it, said locating hole is included as two rows, the locating hole I of last row for being used for cooperating with alignment pin I, the locating hole II of following row for being used for cooperating with alignment pin II;
Further, said guide post along guide holder to slide up and down direction consistent with the inlet valve push rod and the exhaust valve push rod direction of motion, the opening direction of said fork-shaped pressure head is vertical with the exhaust valve push rod direction of motion with the inlet valve push rod;
Further, backboard is provided with and is used for preventing that to the horizontal slip of pressure head mount pad is spacing it from skidding off the limited block of horizontal guide rail.
Beneficial effect of the present invention: Diesel engine valve collet of the present invention assembly tooling; Adopt the fork-shaped pressure head structure, and the opening of fork-shaped pressure head less than the lateral dimension at the valve spring seat of honour and and be installed on the maximum gauge behind the valve stem greater than two lobe valve collets; During use; The fork-shaped pressure head is applied to the pressure at the valve spring seat of honour and compresses spring; Three road annular grooves on the valve stem are exposed, three road annular protrusions on two lobes of valve collet are embedded in three road rings and make valve collet form integral body, the fork-shaped pressure head discharges the valve spring seat of honour; The valve spring seat of honour is coated at the valve collet cylindrical under spring action, accomplish and install; This shows that the present invention is applicable to the assembling of diesel engine spiracle locker, can locate fast and install; Two lobes that make valve collet in the assembling process respectively at three road annular grooves over against; Can guarantee the axiality between valve collet, the valve spring seat of honour and the valve stem, make the direction of spring force meet push rod motion requirement, the operating condition of the valve system compound diesel machine after guaranteeing to assemble; Improve assembly work efficient, be specially adapted to the needs that many valve diesel are produced assembling in batches.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a understructure sketch map of the present invention;
Fig. 3 is an installation process structural representation of the present invention;
Fig. 4 is that horizontal guide rail cooperates cross-sectional structure with slide block.
The specific embodiment
Fig. 1 is a structural representation of the present invention; Fig. 2 is a understructure sketch map of the present invention; Fig. 3 is an installation process structural representation of the present invention; Fig. 4 is that horizontal guide rail cooperates cross-sectional structure with slide block, and is as shown in the figure: the Diesel engine valve collet assembly tooling of present embodiment comprises fork-shaped pressure head 2; The opening of said fork-shaped pressure head 2 is less than the lateral dimension at the valve spring seat of honour 28 and be used to press down the valve spring seat of honour 28; The opening of fork-shaped pressure head 2 is used to install the bar section external diameter of valve collet 30 at least greater than valve stem 29, fork-shaped pressure head 2 is used to press down the valve spring seat of honour 28 and exposes the end that valve stem 29 is used to install valve collet 30, and the opening of fork-shaped pressure head 2 is at least greater than the external diameter of this end; The Drive Structure of fork-shaped pressure head 2 can be manually, also can be structure such as electronic, pneumatic.
In the present embodiment, the opening of said fork-shaped pressure head 2 is installed on the maximum gauge behind the valve stem 29 greater than valve collet 30 and is used for being installed on the overall structures that valve stem 29 backs form through valve collet 30; Can after valve collet 30 is installed, move by easy on and off, not interfere, be beneficial to and simplify mounting structure and installation process.
In the present embodiment, also comprise being used to support the support 14 of fork-shaped pressure head 2 and be used to drive the driving mechanism that fork-shaped pressure head 2 moves up and down; Said support 14 be provided be used for holding workpieces 1 and with workpiece 1 be positioned fork-shaped pressure head 2 bottoms and make inlet valve or/and exhaust valve over against the base 17 of fork-shaped pressure head 2; Adopt drive mechanism fork-shaped pressure head 2 up and down, be easy to make accurate work piece positioning simultaneously, be beneficial to and increase work efficiency.
In the present embodiment; Said support 14 also is provided with pressure head mount pad 7; Fork-shaped pressure head 2 is provided with to extend upward and is fixed with guide post 3; Said guide post 3 cooperates with the guide holder 18 that is provided with on the mode of can slide up and down and the pressure head mount pad 7, and fork-shaped pressure head 2 direction that moves up and down is better controlled, thereby guarantees installation accuracy and to be that installation process is smooth and easy carry out; Said driving mechanism comprises connecting rod 5 and driving handle 4; Said driving handle 4 ends are articulated in pressure head mount pad 7; Connecting rod 5 one ends are articulated in driving handle 4 stage casings, and the other end is articulated in guide post 3 upper ends and is formed for driving the toggle that guide post 3 slides up and down along guide holder 18; Utilize toggle to drive fork-shaped pressure head 2 and pump, Drive Structure is simple, and is laborsaving and simplify assembling process, and brace and connecting rod framework drives smooth and easy, and accurate positioning is beneficial to and makes that assembling process is smooth and easy carries out.
In the present embodiment; Said support 14 also is provided with horizontal guide rail 12; Said pressure head mount pad 7 is provided with the slide block 8 that cooperates with horizontal guide rail, said pressure head mount pad 7 through slide block 8 moving and the mode of locating is arranged at horizontal guide rail 12 along workpiece 1 valve orientation; Be applicable to Diesel engine multi cylinder structure, according to the horizontal mobile pressure head mount pad 7 in valve position, and carry out mechanical positioning during installation, be beneficial to valve collet is installed successively; Certainly, can distribute according to valve directly be provided with corresponding many fork-shaped pressure heads 2, rises simultaneously after directly pressing down and install valve collet 30 simultaneously, has higher operating efficiency.
In the present embodiment; Said base 17 is provided with the workpiece supporting plate 16 that is used for workpiece 1 support and location; Said horizontal guide rail 12 is arranged at support 14 through backboard 15, is distributed with locating hole on the said backboard 15, and said pressure head mount pad 7 is provided with the alignment pin that is used for cooperating with locating hole with pressure head mount pad 7 horizontal location; After said alignment pin inserted locating hole, said fork-shaped pressure head was on workpiece inlet valve push rod upper end or exhaust valve push rod; Location structure is simple and convenient, processing ease.
In the present embodiment, but said workpiece supporting plate 16 is arranged at base 17 with the mode of 180 ° of rotations of level at least, in the present embodiment; Said workpiece supporting plate 16 horizontally rotates 180 °; Can the valve of other row be placed under the fork-shaped pressure head, said workpiece supporting plate 16 is provided with back-up block that is used for supporting workpiece 1 and the alignment pin that is used for adapting it being positioned with workpiece 1 structure, shown in the figure; Locating piece 25 and locating piece 27; Alignment pin 22 and alignment pin 26, location structure is simple, can dispose different parts such as alignment pin according to the different structure of cylinder head; As shown in the figure; Position through locating shaft 23 and locating shaft 24 between workpiece supporting plate 16 and the base 17, locating shaft passes the location supporting plate and limits its horizontal free degree, when needs rotate 180 °; Install again after directly lifting workpiece supporting plate 16 and being rotated 180 ° and get final product, simple to operation; Certainly, also can be to drive the structure of rotating automatically.
In the present embodiment, the alignment pin II10 that said alignment pin was located when comprising the alignment pin I 9 that locatees when being used to be installed into valve collet arranged side by side up and down and being used to the exhaust valve locker is installed; Corresponding with it, said locating hole is included as two rows, the locating hole I20 of last row for being used for cooperating with alignment pin I9, the locating hole II19 of following row for being used for cooperating with alignment pin II10; Through two rows locating hole structure, avoid producing the location and interfere, make the location comparatively accurate; As shown in the figure, alignment pin I9 and alignment pin II10 all adopt the elasticity sliding pin structure of prior art, and be easy to operate.
In the present embodiment, said guide post 3 along guide holder to slide up and down direction consistent with the inlet valve push rod and the exhaust valve push rod direction of motion, the opening direction of said fork-shaped pressure head 2 is vertical with the exhaust valve push rod direction of motion with the inlet valve push rod; It is consistent with the valve event direction to make that fork-shaped pressure head 2 presses down direction, is beneficial to the assurance installation accuracy.
In the present embodiment, backboard 14 is provided with and is used for spacing its limited block that skids off horizontal guide rail 21 that prevents of pressure head mount pad 8 horizontal slips.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. Diesel engine valve collet assembly tooling; It is characterized in that: comprise the fork-shaped pressure head; The opening of said fork-shaped pressure head is less than the lateral dimension at the valve spring seat of honour and be used to press down the valve spring seat of honour, and the opening of fork-shaped pressure head is used to install the bar section external diameter of valve collet at least greater than valve stem.
2. Diesel engine valve collet according to claim 1 assembly tooling is characterized in that: the opening of said fork-shaped pressure head is installed on the maximum gauge behind the valve stem greater than valve collet and is used for being installed on the overall structure that forms behind the valve stem through valve collet.
3. Diesel engine valve collet according to claim 2 assembly tooling; It is characterized in that: also comprise the support that is used to support the fork-shaped pressure head and be used to drive the driving mechanism that the fork-shaped pressure head moves up and down, said support be provided be used for holding workpieces and with workpiece be positioned fork-shaped pressure head bottom and make inlet valve or/and exhaust valve over against the base of fork-shaped pressure head.
4. Diesel engine valve collet according to claim 3 assembly tooling; It is characterized in that: said support also is provided with the pressure head mount pad; The fork-shaped pressure head is provided with to extend upward and is fixed with guide post; Said guide post cooperates with the guide holder that is provided with on the mode of can slide up and down and the pressure head mount pad, and said driving mechanism comprises connecting rod and driving handle, and said driving handle end is articulated in the pressure head mount pad; Connecting rod one end is articulated in the driving handle stage casing, and the other end is articulated in the guide post upper end and is formed for driving the toggle that guide post slides up and down along guide holder.
5. Diesel engine valve collet according to claim 4 assembly tooling; It is characterized in that: said support also is provided with horizontal guide rail; Said pressure head mount pad is provided with the slide block that cooperates with horizontal guide rail, said pressure head mount pad through slide block moving and the mode of locating is arranged at horizontal guide rail along the orientation of workpiece valve.
6. Diesel engine valve collet according to claim 5 assembly tooling; It is characterized in that: said base is provided with the workpiece supporting plate that is used for workpiece support and location; Said horizontal guide rail is arranged at support through backboard, is distributed with locating hole on the said backboard, and said pressure head mount pad is provided with the alignment pin that is used for cooperating with locating hole with pressure head mount pad horizontal location; After said alignment pin inserted locating hole, said fork-shaped pressure head was on workpiece inlet valve push rod upper end or exhaust valve push rod.
7. Diesel engine valve collet according to claim 6 assembly tooling; It is characterized in that: but said workpiece supporting plate is arranged at base with the mode of 180 ° of rotations of level at least, and said workpiece supporting plate is provided with back-up block that is used for supporting workpiece and the alignment pin that is used for adapting it being positioned with Workpiece structure.
8. Diesel engine valve collet according to claim 7 assembly tooling is characterized in that: the alignment pin II that said alignment pin was located when comprising the alignment pin I that locatees when being used to be installed into valve collet arranged side by side up and down and being used to the exhaust valve locker is installed; Corresponding with it, said locating hole is included as two rows, the locating hole I of last row for being used for cooperating with alignment pin I, the locating hole II of following row for being used for cooperating with alignment pin II.
9. Diesel engine valve collet according to claim 8 assembly tooling; It is characterized in that: said guide post along guide holder to slide up and down direction consistent with the inlet valve push rod and the exhaust valve push rod direction of motion, the opening direction of said fork-shaped pressure head is vertical with the exhaust valve push rod direction of motion with the inlet valve push rod.
10. Diesel engine valve collet according to claim 8 assembly tooling is characterized in that: backboard is provided with and is used for preventing that to the horizontal slip of pressure head mount pad is spacing it from skidding off the limited block of horizontal guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210072506.4A CN102601613B (en) | 2011-12-30 | 2012-03-19 | Assembly tooling for diesel engine valve collet |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110453899 | 2011-12-30 | ||
| CN201110453899.9 | 2011-12-30 | ||
| CN201210072506.4A CN102601613B (en) | 2011-12-30 | 2012-03-19 | Assembly tooling for diesel engine valve collet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102601613A true CN102601613A (en) | 2012-07-25 |
| CN102601613B CN102601613B (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210072506.4A Active CN102601613B (en) | 2011-12-30 | 2012-03-19 | Assembly tooling for diesel engine valve collet |
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| CN (1) | CN102601613B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104440080A (en) * | 2014-11-20 | 2015-03-25 | 安徽江淮汽车股份有限公司 | Installation device for engine valve spring upper gasket and lock clamp |
| CN106736358A (en) * | 2016-12-19 | 2017-05-31 | 汽-大众汽车有限公司 | A kind of valve split collets Assembly And Disassembly device |
| CN107398712A (en) * | 2017-08-31 | 2017-11-28 | 安徽江淮汽车集团股份有限公司 | A kind of engine multi-model valve lock clamp pressing device |
| CN109176008A (en) * | 2018-11-01 | 2019-01-11 | 杭州景业智能科技有限公司 | Lock bridge automatic assembly equipment and method |
| CN113231807A (en) * | 2021-06-15 | 2021-08-10 | 河北华北柴油机有限责任公司 | Press mounting device for engine valve lock clamp |
| CN115351536A (en) * | 2022-09-03 | 2022-11-18 | 太原中北新缘科技中心(有限公司) | Assembly device and method for rotating shaft of ophthalmologic equipment |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104440080A (en) * | 2014-11-20 | 2015-03-25 | 安徽江淮汽车股份有限公司 | Installation device for engine valve spring upper gasket and lock clamp |
| CN106736358A (en) * | 2016-12-19 | 2017-05-31 | 汽-大众汽车有限公司 | A kind of valve split collets Assembly And Disassembly device |
| CN107398712A (en) * | 2017-08-31 | 2017-11-28 | 安徽江淮汽车集团股份有限公司 | A kind of engine multi-model valve lock clamp pressing device |
| CN107398712B (en) * | 2017-08-31 | 2019-03-08 | 安徽江淮汽车集团股份有限公司 | A kind of engine multi-model valve lock clamp pressing device |
| CN109176008A (en) * | 2018-11-01 | 2019-01-11 | 杭州景业智能科技有限公司 | Lock bridge automatic assembly equipment and method |
| CN109176008B (en) * | 2018-11-01 | 2023-09-12 | 杭州景业智能科技股份有限公司 | Lock beam automatic assembly equipment and method |
| CN113231807A (en) * | 2021-06-15 | 2021-08-10 | 河北华北柴油机有限责任公司 | Press mounting device for engine valve lock clamp |
| CN115351536A (en) * | 2022-09-03 | 2022-11-18 | 太原中北新缘科技中心(有限公司) | Assembly device and method for rotating shaft of ophthalmologic equipment |
| CN115351536B (en) * | 2022-09-03 | 2023-12-12 | 太原中北新缘科技中心(有限公司) | Assembling device and method for rotating shaft of ophthalmic equipment |
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|---|---|
| CN102601613B (en) | 2014-04-16 |
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Effective date of registration: 20170221 Address after: 401221 Chongqing Changshou District Industrial Park electromechanical materials Park Patentee after: Chongqing Xiaokang Power Co., Ltd. Address before: 400033 Jinqiao Road, Shapingba District, Chongqing, 61-1 Patentee before: Chongqing Xiaokang Industry Group Co., Ltd. |