CN102806453A - Press fitting tool for lock clamps - Google Patents
Press fitting tool for lock clamps Download PDFInfo
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- CN102806453A CN102806453A CN2012102915542A CN201210291554A CN102806453A CN 102806453 A CN102806453 A CN 102806453A CN 2012102915542 A CN2012102915542 A CN 2012102915542A CN 201210291554 A CN201210291554 A CN 201210291554A CN 102806453 A CN102806453 A CN 102806453A
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Abstract
The invention belongs to the technical field of assembling of engines, and particularly relates to a press fitting tool for lock clamps of an engine valve mechanism. The press fitting tool comprises a press fitting body, a mandrel and a mandrel spring. The mandrel is used for expanding the clamps, and the mandrel spring is used for providing returning elasticity for the mandrel and is arranged between the press fitting body and the mandrel in a press fitting manner. The press fitting tool is characterized by further comprising clamping jaw devices and a pressing sleeve device, the clamping jaw devices on an outer circle of the press fitting body are used for automatically grabbing spring seats, the pressing sleeve device mounted in an inner hole of the press fitting body is used for controlling axial strokes of the lock clamps and comprises a pressing sleeve and an assorted pressing sleeve spring, the pressing sleeve is shorter than the inner hole of the press fitting body, the mandrel is assembled in an inner hole of the lower portion of the pressing sleeve, the pressing sleeve spring is arranged between the pressing sleeve and the press fitting body in a press fitting manner and is used for providing returning elasticity for the pressing sleeve, and shoulders for limiting the pressing sleeve to move downwards are arranged in the press fitting body. The press fitting tool has the advantages of high assembly efficiency and high qualified rate.
Description
Technical field
The invention belongs to engine mounting technology field, be specifically related to the locker clamping instrument of engine air valve device.
Background technology
Domestic more existing engine lines; Artificial fit is still adopted in the locker of valve mechanism, spring holder assembling: manual work is placed on valve spring, spring base, locker on the valve; With the manual press-loading instrument locker, spring holder are press-fit into place then, because press mounting tool, locker often assembles not in place; Need manual work once more to reprocess, it is not high that this assembly method production efficiency is low, hand labor intensity greatly, is once assembled qualification rate.The engine line that some automaticities are higher, the assembling of locker realizes automation, but because press mounting tool lacks spacing measure; Still there is the not high problem of assembling qualification rate; Need to increase and reprocess station, thereby reduced production efficiency, increased production cost.
Chinese patent ZL200520034052.7 discloses a kind of assembling pressure head of engine valve locker, and it is movably placed in the guide post in the pressure head hole by pressure head, spring, compositions such as tube connector.During work, valve, spring, spring base is in place, and manual work is placed on locker in the spring base, uses press mounting tool to press down then and makes locker be assembled to engine valve stem annular groove position.There is following problem in this press mounting tool:
1. because the press mounting tool reasons in structure can only adopt manual work that locker is placed in the spring base, and production efficiency is low, labour intensity is big.
2. because press mounting tool does not have position-limit mechanism, can't guarantee simultaneously that prominent muscle of two lockers and engine valve stem annular groove align, locker assembling " snuff " not in place phenomenon can occur, need manual work to reprocess, waste time and energy, increase cost.
Summary of the invention
It is a kind of rational in infrastructure that the purpose of the invention is to provide, and efficiency of assembling is high, the locker clamping instrument that qualification rate is high.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
A kind of locker clamping instrument comprises press-fiting body, being used to the mandrel spring expanding the mandrel of folder and be used to provide the mandrel back stretch that the mandrel pressure mounting of the spring is characterized in that in press-fiting between body and the mandrel:
Said locker clamping instrument also comprises:
Press-fit external round portion and be used for picking up automatically the clamping jaw device of spring base,
Be installed on the gland device that press-fits the axial stroke that is used to control locker in the body endoporus,
Said gland device comprises length less than gland that press-fits hole length in the body and supporting gland spring, and mandrel is assemblied in the bottom endoporus of gland, and the gland pressure mounting of the spring is at gland and press-fit between the body, is used to provide the back stretch of gland,
Saidly press-fit body and contain and be used to limit the descending shoulder of gland.
Said gland inside is provided with three shoulder holes, and diameter increases from bottom to top successively.
Said gland device includes a spring shim, and the mandrel pressure mounting of the spring is between mandrel and spring shim, and the gland pressure mounting of the spring is at spring shim and press-fit between the body.
Said gland length and the height of the difference that press-fits hole length in the body greater than locker.
Saidly press-fit external circular shaft to being provided with at least three grooves that are parallel to its axis; Said groove evenly distributes along axis, press-fits body top and contains a stop screw, and press-fits body and is threaded; Press-fit screw thread place, body top and be provided with shoulder, be used to limit gland device upward stroke; Said clamping jaw device comprises that at least three edges press-fit the jaw that external circle is evenly arranged, jaw is installed in through pin and press-fits in the external round axial groove, and the jaw spring is installed on the jaw upper blind bore and press-fits between the body.
Said clamping jaw device comprises that at least three edges press-fit the jaw that external circle is evenly arranged; Said jaw is installed in through pin and press-fits in the external round axial groove; The top of jaw is provided with pin-and-hole, and the middle part of jaw is provided with O shape ring recess, ties jaw with one or more O shape circles as flexible member; Press-fit on the cylindrical of body and have annular groove, be used for adaptive O shape circle.
Said jaw bottom is provided with draw-in groove, is used for the clamp springs dish, and the jaw bottom is provided with the transition inclined-plane, is convenient to jaw and grasps spring base.
Saidly press-fit body and jaw is made into one, said press-fit have four on the body along the equally distributed jaw of axis.
Said mandrel bottom is taper seat or sphere.
The distance of the upper surface of said gland and the lower surface of stop screw is greater than the about 0 ~ 0.2mm of the height of locker.
Locker clamping instrument of the present invention is mainly by press-fiting body, be assemblied in the jaw that press-fits in the external round axial groove; With press-fit the gland that body endoporus cunning is joined, with the mandrel that the gland cunning is joined, be configured in the mandrel spring between mandrel and the packing ring; Be configured in the compositions such as gland spring between packing ring and the stop screw; At least 3 jaws are assemblied in through pin and press-fit in the external round axial groove, and jaw arranges evenly that along press-fiting body axis jaw can be around the swing of pin axis; Jaw top and press-fit and be provided with the jaw spring between the body, jaw can elasticity grasp and the clamp springs dish; With press-fit the gland that body endoporus cunning is joined; It is spacing to descend both direction all to have in the axial direction; Gland receives downwards and press-fits the spacing and contact spring seat not of body shoulder, and the stroke that gland makes progress receives the spacing of stop screw, and the lower surface distance of gland upper end and stop screw is greater than the height 0 ~ 0.2mm of locker.The bottom diameter of bore of gland is greater than the diameter of valve.
The top of the jaw of telling is provided with the blind hole that the jaw spring is installed, and the middle part of jaw is provided with pin-and-hole, and the jaw bottom is provided with draw-in groove, is used for the clamp springs dish, and the jaw bottom is provided with the transition inclined-plane, is convenient to jaw and grasps spring base.
The gland inside of telling is provided with three shoulder holes, and diameter increases from top to bottom successively, and the bottom diameter of bore is greater than the valve diameter, and joins with the mandrel cunning, and the middle part endoporus is used to install the mandrel spring, and the top endoporus is used to assemble the gland spring; The outer garden of gland is provided with a shoulder, is used to limit axially downward stroke of gland, gland bottom cylindrical with press-fit body endoporus cunning and join.
Saidly press-fit external circular shaft to being provided with at least three grooves that are parallel to its axis; Three grooves are uniformly distributed with along axis, and the hole and the big end external diameter of spring base that press-fit body bottom front end are adaptive, and press-fiting the aperture that slyness is joined outside body bottom and the gland bottom has suitable numerical value; This numerical value guarantees that locker can get into and can not produce interference when assembling; The gap again can not be excessive simultaneously, press-fits screw thread place, body top and be provided with step, is used to limit the stroke that gland axially makes progress.
The jaw material can adopt spring steel, hardness HRC40 ~ 50 after the heat treatment
Institute the mandrel spring of telling and gland spring press-fit after body assembles, and the elastic force of gland spring is greater than the elastic force of mandrel spring.
Compared with prior art, the beneficial effect of locker clamping instrument of the present invention is:
1. this press mounting tool is provided with jaw, can adopt the higher fit of automation: at first pass through
Automatic sorting device is placed in the spring base locker; A plurality of press mounting tools are connected with automation equipment, pick up spring base automatically through jaw, and press mounting tool moves to assembly station then; Realize the locker assembling of a plurality of valve mechanisms simultaneously; Reduce artificial assembling link, reduced hand labor intensity, increased substantially efficiency of assembling.
2. because press mounting tool is provided with gland; Gland axially has suitable spacing up and down, makes the axial stroke of two lockers be able to control, and the prominent muscle that can make two lockers accurately aligns with the groove of valve simultaneously; Avoided " snuff " phenomenon, once assembled qualification rate near 100%.
Description of drawings
Fig. 1 is the structural representation of first kind of embodiment of the present invention;
Fig. 2 is second kind of embodiment of the present invention;
Fig. 3 is the third embodiment of the present invention;
Fig. 4 is the third embodiment B-B cutaway view of the present invention.
Among the figure: press-fit body 1, jaw spring 2, pin 3, jaw 4, mandrel 5, spring base 6, valve 7, valve spring 8, locker 9, gland 10, mandrel spring 11, spring shim 12, gland spring 13, stop screw 14, O type circle 15.
The specific embodiment
Be described further below in conjunction with the accompanying drawing specific embodiments of the invention: like Fig. 1; Of the present inventionly press-fit body 1 cylindrical and be axially arranged with three grooves; Three grooves are uniformly distributed with along axis; 3 jaws 43 are assemblied in respectively in three grooves that press-fit body 1 through pinning, and three jaw springs 2 are fitted in the blind hole on jaw 4 tops respectively and press-fit between the body; Mandrel 5 is assemblied in the endoporus of gland 10 bottoms; Mandrel spring 11 is fitted between mandrel 5 and the spring shim 12; Spring shim 12 and gland 10 top endoporus matched in clearance, gland spring 13 is fitted between spring shim 12 and the stop screw 14, and slyness fits over and press-fits in the body 1 bottom endoporus outside gland 10 bottoms; Stop screw 14 is threaded with press-fiting body 1 top, and spacing at the screw thread shoulder place that press-fits body 1 top; After the assembling of locker clamping instrument, the upper surface of gland 10 and stop screw 14 lower surfaces get the height 0 ~ 0.2mm of distance L greater than locker.
The operation principle of the invention is following:
Automatic sorting device is assembled to locker 9 in the taper hole of spring base 6, through transmitting device spring base 6 is delivered to locker clamping instrument below, and the axis of spring base 6 axis and locker clamping instrument aligns basically; The locker clamping instrument presses down, and jaw 4 elasticity grasp spring base 6 and spring base 6 is clamped in the draw-in groove of jaw 4, and the locker clamping instrument moves to the engine valve assembly station; This moment, valve 7 was assemblied in the cylinder bore of engine with valve spring 8, and the locker clamping instrument presses down, behind the valve 7 contact lockers 9; Locker 9 relative spring bases 6 are moved up, when locker 9 with after mandrel 5 contacts, two lockers 9 separate along the conical surface expansion of mandrel 5 front ends; After locker 9 touches gland 10, under the active force of valve 7, promote mandrel 5 and move up with respect to press-fiting body 1 with gland 10; Two lockers 9 continue expansion under the conical surface effect of mandrel 5 separates and contact with mandrel 5 up to valve 7, and this moment, two lockers 9 broke away from the endoporus of bottom of taper hole and entering pressure shape body 1 of spring base 6, and gland 10 upper surfaces contact with stop screw 14 and stop with respect to press-fiting the motion of body 1; Corresponding two lockers 9 have stopped and the relative motion that press-fits body 1 down the spacing of gland 10, and the locker clamping instrument continues to press down; Valve 7 continues to promote mandrel 5 and moves upward with respect to press-fiting body 1; Align up to the groove of valve 7 and the prominent muscle of locker 9, the locker clamping instrument stops to press down, and the locker clamping instrument upwards lifts then; Valve spring 8 promotes spring base 6 and moves upward; Gland 10 keeps contacting with locker under the resilient force of gland spring 13, and the prominent muscle that makes locker 9 aligns with the groove of valve 7 all the time, and the male cone (strobilus masculinus) of two lockers 9 of endoporus conical surface compression of spring base 6 inwardly shrinks; Groove up to prominent muscle that makes two lockers 9 and valve 7 is fitted, and has so far accomplished the assembling of locker 9.
The above-mentioned a kind of embodiment that is merely elasticity suspension grinding equipment of the present invention, the present invention structurally also can have multiple conversion, and such as Fig. 2, Fig. 3 is other two kinds of embodiments of the present invention.
As shown in Figure 2, the front end face of mandrel 5 is a spherical structure; Removed 3 jaw springs 2, the blind hole on the top of jaw 4 becomes pin-and-hole, and the pin-and-hole at jaw middle part becomes O type ring recess; Wale jaw 4 with one or more O type circles 15 as flexible member; Press-fit on the cylindrical of body 1 and offer annular groove, in order to dodge O type circle 15, all the other structures are identical with embodiment one.
Like Fig. 3 and shown in Figure 4, press-fit body 1 and be made into one with jaw 4, press-fiting has four jaws and is uniformly distributed with along the axis symmetry on the body 1; Do not pin 3 with jaw spring 2; The material that press-fits body 1 adopts the spring steel manufacturing, the hardness HRC40 after the heat treatment ~ 50, and all the other structures are identical with embodiment one.
Be appreciated that locker clamping instrument of the present invention is not limited to the concrete structure of the foregoing description.Conspicuous conversion or change shape and all fall into protection scope of the present invention for those of ordinary skills.
Claims (10)
1. locker clamping instrument; Comprise the mandrel spring (8) that press-fits body (1), is used for expanding the mandrel (5) of folder (9) and is used to provide mandrel (5) back stretch; Mandrel spring (8) press-fits in press-fiting between body (1) and the mandrel (5), it is characterized in that:
Said locker clamping instrument also comprises:
Press-fit body (1) cylindrical portion and be used for picking up automatically the clamping jaw device of spring base (6),
Be installed on the gland device that press-fits the axial stroke that is used to control locker (9) in body (1) endoporus,
Said gland device comprises that length is less than gland (10) that press-fits the interior hole length of body (1) and supporting gland spring (13); Mandrel (5) is assemblied in the bottom endoporus of gland (10); Gland spring (13) is fitted in gland (10) and press-fits between the body (1); Be used to provide the back stretch of gland (10)
Saidly press-fit body (1) and contain and be used to limit the descending shoulder of gland (10).
2. locker clamping instrument according to claim 1 is characterized in that said gland (10) inside is provided with three shoulder holes, and diameter increases from bottom to top successively.
3. locker clamping instrument according to claim 1; It is characterized in that said gland device includes a spring shim (12); Mandrel spring (8) is fitted between mandrel (5) and the spring shim (12), and gland spring (13) is fitted in spring shim (12) and press-fits between the body (1).
4. locker clamping instrument according to claim 1 is characterized in that said gland (10) length and press-fits the height of the difference of the interior hole length of body (1) greater than locker (9).
5. locker clamping instrument according to claim 1; It is characterized in that saidly press-fiting body (1) cylindrical and being axially arranged with at least three grooves that are parallel to its axis; Said groove evenly distributes along axis, press-fits body (1) top and contains a stop screw (14), and press-fits body (1) and is threaded; Press-fit screw thread place, body (1) top and be provided with shoulder, be used to limit gland device upward stroke; Said clamping jaw device comprises that at least three edges press-fit the jaw (4) that body (1) cylindrical is evenly arranged; Jaw (4) is installed in through pin (3) and press-fits in body (1) the cylindrical axial groove, and jaw spring (2) is installed on jaw (4) upper blind bore and press-fits between the body (1).
6. locker clamping instrument according to claim 1; It is characterized in that said clamping jaw device comprises that at least three edges press-fit the jaw (4) that body (1) cylindrical is evenly arranged, said jaw (4) is installed in through pin (3) and press-fits in body (1) the cylindrical axial groove, and the top of jaw (4) is provided with pin-and-hole; The middle part of jaw (4) is provided with O shape ring recess; Tie jaw (4) with one or more O shapes circle as flexible member, press-fit on the cylindrical of body (1) and have annular groove, be used for adaptive O shape circle.
7. locker clamping instrument according to claim 1 is characterized in that said jaw (4) bottom is provided with draw-in groove, is used for the clamp springs dish, and jaw (4) bottom is provided with the transition inclined-plane, is convenient to jaw (4) and grasps spring base (6).
8. locker clamping instrument according to claim 1 is characterized in that: saidly press-fit body (1) and jaw (4) is made into one, said press-fit have four on the body (1) along the equally distributed jaw of axis (4).
9. locker clamping instrument according to claim 1 is characterized in that: said mandrel (5) bottom is taper seat or sphere.
10. locker clamping instrument according to claim 4 is characterized in that: the distance of the lower surface of the upper surface of said gland (10) and stop screw (14) is greater than the about 0 ~ 0.2mm of height of locker (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210291554.2A CN102806453B (en) | 2012-08-16 | 2012-08-16 | A kind of locker clamping instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210291554.2A CN102806453B (en) | 2012-08-16 | 2012-08-16 | A kind of locker clamping instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102806453A true CN102806453A (en) | 2012-12-05 |
| CN102806453B CN102806453B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210291554.2A Active CN102806453B (en) | 2012-08-16 | 2012-08-16 | A kind of locker clamping instrument |
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| CN (1) | CN102806453B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213094A (en) * | 2013-04-25 | 2013-07-24 | 无锡艾森保自动化装备有限公司 | Leather-cup rapid press fitting device |
| CN103264270A (en) * | 2013-06-06 | 2013-08-28 | 浙江海洋学院 | Device for orderly supplying sealing rings |
| CN104084925A (en) * | 2014-07-07 | 2014-10-08 | 大连职业技术学院 | Valve spring lock clamp installing tool |
| CN106475956A (en) * | 2016-11-18 | 2017-03-08 | 安徽江淮汽车集团股份有限公司 | Valve collet pressure head |
| CN108145410A (en) * | 2017-12-28 | 2018-06-12 | 潍柴动力股份有限公司 | A kind of sealing coil installing device and installation method |
| CN108662229A (en) * | 2018-06-25 | 2018-10-16 | 浙江法拉迪电气有限公司 | A kind of oil-immersed transformer pressure relief device |
| CN110005743A (en) * | 2019-04-22 | 2019-07-12 | 佛山科学技术学院 | A kind of gas-flow closure equipment of damper |
| CN115625510A (en) * | 2022-11-02 | 2023-01-20 | 长园医疗精密(珠海)有限公司 | Special-shaped wire assembling and cup-shaped spring press-mounting mechanism |
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| CN101279419A (en) * | 2008-05-21 | 2008-10-08 | 大连智云自动化装备股份有限公司 | Cylinder cap air valve spring cover, locking plate press-loading head |
| CN201267930Y (en) * | 2008-07-21 | 2009-07-08 | 重庆长安汽车股份有限公司 | Engine cylinder head delivery tube pressing device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213094A (en) * | 2013-04-25 | 2013-07-24 | 无锡艾森保自动化装备有限公司 | Leather-cup rapid press fitting device |
| CN103264270A (en) * | 2013-06-06 | 2013-08-28 | 浙江海洋学院 | Device for orderly supplying sealing rings |
| CN103264270B (en) * | 2013-06-06 | 2015-04-29 | 浙江海洋学院 | Device for orderly supplying sealing rings |
| CN104084925A (en) * | 2014-07-07 | 2014-10-08 | 大连职业技术学院 | Valve spring lock clamp installing tool |
| CN104084925B (en) * | 2014-07-07 | 2015-12-09 | 大连职业技术学院 | Valve spring locker erecting tools |
| CN106475956B (en) * | 2016-11-18 | 2018-05-08 | 安徽江淮汽车集团股份有限公司 | Valve collet pressure head |
| CN106475956A (en) * | 2016-11-18 | 2017-03-08 | 安徽江淮汽车集团股份有限公司 | Valve collet pressure head |
| CN108145410A (en) * | 2017-12-28 | 2018-06-12 | 潍柴动力股份有限公司 | A kind of sealing coil installing device and installation method |
| CN108145410B (en) * | 2017-12-28 | 2019-09-27 | 潍柴动力股份有限公司 | A kind of sealing coil installing device and installation method |
| CN108662229A (en) * | 2018-06-25 | 2018-10-16 | 浙江法拉迪电气有限公司 | A kind of oil-immersed transformer pressure relief device |
| CN108662229B (en) * | 2018-06-25 | 2023-08-11 | 浙江法拉迪电气有限公司 | Pressure release device of oil immersed transformer |
| CN110005743A (en) * | 2019-04-22 | 2019-07-12 | 佛山科学技术学院 | A kind of gas-flow closure equipment of damper |
| CN110005743B (en) * | 2019-04-22 | 2023-10-31 | 佛山科学技术学院 | Inflatable sealing equipment of damper |
| CN115625510A (en) * | 2022-11-02 | 2023-01-20 | 长园医疗精密(珠海)有限公司 | Special-shaped wire assembling and cup-shaped spring press-mounting mechanism |
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|---|---|
| CN102806453B (en) | 2015-10-28 |
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