CN102407440B - A kind of mechanism for assembling clamping spring of engine piston pin - Google Patents
A kind of mechanism for assembling clamping spring of engine piston pin Download PDFInfo
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- CN102407440B CN102407440B CN201110396448.6A CN201110396448A CN102407440B CN 102407440 B CN102407440 B CN 102407440B CN 201110396448 A CN201110396448 A CN 201110396448A CN 102407440 B CN102407440 B CN 102407440B
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- press
- jump ring
- guide pillar
- pressure head
- piston pin
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Abstract
The invention provides a kind of mechanism for assembling clamping spring of engine piston pin, press-fiting guide pillar (3) is rod-like structure, press-fit guide pillar (3) one end to be connected with telescoping rod (4), jump ring pressure head (2) is set to the tubular structure of hollow, centre is ram cavity (5), jump ring pressure head (2) upper end arranges fluting (6), telescoping rod (4) can pass jump ring pressure head (2), jump ring pressure head (2) front end arranges the fixed mount (8) being used for fixed piston (7), when piston (7) is fixed on fixed mount (8), piston pin hole (9) with press-fit guide pillar (3) and be on same straight line, press-fit guide pillar (3) when stretching out forward, can extend in piston pin hole (9), the controller (10) that press-loading apparatus (1) works with control press-loading apparatus (1) is connected.Mechanism for assembling clamping spring of engine piston pin of the present invention, when can avoid hand assembled, jump ring easily collapses the risk to hurt sb.'s feelings, and plays the effect of protection assembly crewman.
Description
Technical field
The invention belongs to engine assembly technical field, more particularly, relate to a kind of mechanism for assembling clamping spring of engine piston pin.
Background technology
Piston of automobile engine pin card spring, shape is the annulus of gap, jump ring rigidity is large, and slightly larger than the piston hole of required assembling, in the piston pin clamping spring assembling process of automobile engine, hand assembled is extremely inconvenient, and during assembling, jump ring is also easy to collapse and to hurt sb.'s feelings, thus extremely easily causes that associative operation personnel's is injured.
Summary of the invention
Technical problem to be solved by this invention is: provide one can realize engine piston pin snap spring assembly automation, thus significantly improve the mechanism for assembling clamping spring of engine piston pin of jump ring assembling speed.
Solve above-described technical problem, the technical scheme that the present invention takes is:
The present invention is a kind of mechanism for assembling clamping spring of engine piston pin, described mechanism for assembling clamping spring of engine piston pin comprises press-loading apparatus, jump ring pressure head, the guide pillar that press-fits of described press-loading apparatus is rod-like structure, press-fit guide pillar one end to be connected with the telescoping rod controlling to press-fit guide pillar flexible, jump ring pressure head is set to the tubular structure of hollow, centre is ram cavity, jump ring pressure head upper end arranges fluting, telescoping rod is set to can through the structure of jump ring pressure head, jump ring pressure head front end arranges the fixed mount of the piston being used for fixing jump ring to be installed, when described piston is fixed on fixed mount, piston pin hole is set to and press-fits guide pillar and be in structure on same straight line, described press-fit guide pillar when stretching out forward, can extend in piston pin hole, press-loading apparatus is connected with the controller controlling press-loading apparatus work.
Described press-loading apparatus also comprises promotes cover, described press-fits guide pillar movable set in distribution cover, the ram cavity of jump ring pressure head is set to the taper structure from progressively reducing to one end, jump ring pressure head outer face diameter dimension with jump ring pressure head end, described distribution is overlapped and is press-fited guide column sleeve and is contained in press-loading apparatus housing, described press-loading apparatus housing and jump ring pressure head are arranged in mechanism base respectively by mounting bracket and pulley structure, described jump ring pressure head is set to the structure linearly seesawed under telescoping rod promotes, described telescoping rod comprises stage clip master cylinder and press-fits bar.
Described mechanism for assembling clamping spring of engine piston pin also comprises feeding device, feeding device comprises the stock column be vertically set on above press-loading apparatus, stock column is set with multiple jump ring, the installation plate arranged in gap between stock column is set below described stock column, the charging ram and pusher master cylinder that plate are arranged scraping wings and the movement of control scraping wings are installed, stock column and the gap of installing between plate are set to the structure being greater than jump ring thickness, the thickness of scraping wings is set to the structure being less than stock column and installing gap between plate, pusher rod member is connected with the controller controlling the work of pusher rod member.
Described press-fit guide pillar and be set to the structure that diameter is less than piston pin hole diameter, be recessed on jump ring pressure head in U-shaped structure, described press-fit guide pillar when being in non-duty, guide pillar end head is in overlaps the concordant structure in front end with promoting, press-fit guide pillar when being in non-duty, when the jump ring fallen down from feeding device falls into fluting, described jump ring, under the restriction of fluting and guide pillar end head, is in the angle of setting.
The surface of one end that described distribution cover is connected with jump ring pressure head is along jump ring ram shaft to arranging multiple tracks opening, multiple tracks opening is set to promote the structure of overlapping pack and forming by polylith by promoting cover, and the race diameter promoting cover is all set to overlap front end from the distribution be connected with jump ring pressure head with distribution cover intracavity diameter and overlaps the diminishing structure in rear end to the distribution be connected with stage clip control cylinder.
The surface of one end that described distribution cover is connected with jump ring pressure head is along jump ring ram shaft to arranging multiple tracks opening, multiple tracks opening is set to promote the structure of overlapping pack and forming by polylith by promoting cover, and the race diameter promoting cover is all set to overlap front end from the distribution be connected with jump ring pressure head with distribution cover intracavity diameter and overlaps the diminishing structure in rear end to the distribution be connected with stage clip control cylinder.
Described pusher master cylinder is set to the structure of air pressure or hydraulic control, stage clip master cylinder is set to the member structure of air pressure or hydraulic control, pusher master cylinder is connected with pipeline I and pipeline II respectively with stage clip master cylinder, and the controller that pipeline I and pipeline II stretch with control pusher master cylinder and stage clip master cylinder is respectively connected.
Described scraping wings is arranged blanking slope, lower end, blanking slope is set to the structure at the fluting position on positive alignment jump ring pressure head, described press-loading apparatus also comprises return spring, described press-fit guide pillar when being in the duty of stretching out to piston pin hole direction, return spring is set to the structure to press-fiting guide pillar and apply reciprocal power.
The described guide pillar middle part that press-fits arranges a type conical bench, the middle part of described distribution cover inner chamber arranges along the surface of internal cavity boss of a week, press-fiting guide pillar when promoting in cover inner chamber to piston pin one end motion, when type conical bench is set to move to the medium position promoting cover inner chamber, will the structure on boss be resisted against.
Described distribution cover adopts spring steel material to make.
Adopt technical scheme of the present invention, following beneficial effect can be obtained:
Mechanism for assembling clamping spring of engine piston pin of the present invention; when can avoid hand assembled, jump ring easily collapses the risk to hurt sb.'s feelings; play the effect of protection assembly crewman; simultaneously; mechanism of the present invention; engine piston pin snap spring assembly automation can be realized, thus significantly improve jump ring assembling speed.
Accompanying drawing explanation
Brief description is made to the content expressed by each accompanying drawing of this description and the mark in figure below:
Fig. 1 is the structural representation of mechanism for assembling clamping spring of engine piston pin of the present invention;
The structural representation that the jump ring pressure head that Fig. 2 is the mechanism for assembling clamping spring of engine piston pin described in Fig. 1 overlaps with distribution;
The jump ring pressure head that Fig. 3 is the mechanism for assembling clamping spring of engine piston pin described in Fig. 1 overlaps with distribution the structural representation coordinating and install;
The structural representation of A-A section of the jump ring pressure head that Fig. 4 is the mechanism for assembling clamping spring of engine piston pin described in Fig. 2;
Fig. 5 is the structural representation press-fiting guide pillar of mechanism for assembling clamping spring of engine piston pin of the present invention;
Be labeled as in figure: 1, press-loading apparatus; 2, jump ring pressure head; 3, guide pillar is press-fited; 4, telescoping rod; 5, ram cavity; 6, slot; 7, piston; 8, fixed mount; 9, piston pin hole; 10, controller; 11, cover is promoted; 12, jump ring pressure head end; 13, jump ring pressure head outer face; 14, pulley structure; 15, mechanism base; 16, stage clip master cylinder; 17, bar is press-fited; 18, feeding device; 19, stock column; 20, jump ring; 21, plate is installed; 22, scraping wings; 23, charging ram; 24, pusher master cylinder; 25, guide pillar end head; 26, cover front end is promoted; 27, opening; 28, cover pack is promoted; 29, pipeline I; 30, pipeline II; 31, blanking slope; 32, return spring; 33, type conical bench; 34, boss; 35, press-loading apparatus housing; 36, mounting bracket; 37, cover inner chamber is promoted; 38, cover rear end is promoted.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, the effect and operation principle etc. of the specific embodiment of the present invention as the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part are described in further detail:
As accompanying drawing 1---shown in accompanying drawing 5, the present invention is a kind of mechanism for assembling clamping spring of engine piston pin, described mechanism for assembling clamping spring of engine piston pin comprises press-loading apparatus 1, jump ring pressure head 2, the guide pillar 3 that press-fits of described press-loading apparatus 1 is rod-like structure, press-fit guide pillar 3 one end to be connected with the telescoping rod 4 controlling to press-fit guide pillar 3 flexible, jump ring pressure head 2 is set to the tubular structure of hollow, centre is ram cavity 5, jump ring pressure head 2 upper end arranges fluting 6, telescoping rod 4 is set to can through the structure of jump ring pressure head 2, jump ring pressure head 2 front end arranges the fixed mount 8 of the piston 7 being used for fixing jump ring to be installed, when described piston 7 is fixed on fixed mount 8, piston pin hole 9 is set to and press-fits guide pillar 3 and be in structure on same straight line, described press-fit guide pillar 3 when stretching out forward, can extend in piston pin hole 9, the controller 10 that press-loading apparatus 1 works with control press-loading apparatus 1 is connected.
Described press-loading apparatus 1 also comprises promotes cover 11, described press-fits guide pillar 3 movable set in distribution cover 11, the ram cavity 5 of jump ring pressure head 2 is set to the taper structure from progressively reducing to one end, jump ring pressure head outer face 13 diameter dimension with jump ring pressure head end 12, described distribution cover 11 and press-fit guide pillar 3 and be sleeved in press-loading apparatus housing 35, described press-loading apparatus housing 35 and jump ring pressure head 2 are arranged in mechanism base 15 respectively by mounting bracket 36 and pulley structure 14, described jump ring pressure head 2 is set to the structure linearly seesawed under telescoping rod 4 promotes, described telescoping rod 4 comprises stage clip master cylinder 16 and press-fits bar 17.
Described mechanism for assembling clamping spring of engine piston pin also comprises feeding device 18, feeding device 18 comprises the stock column 19 be vertically set on above press-loading apparatus 1, stock column 19 is set with multiple jump ring 20, the installation plate 21 arranged in gap between stock column 19 is set below described stock column 19, the charging ram 23 and pusher master cylinder 24 that plate 21 are arranged scraping wings 22 and the movement of control scraping wings 22 are installed, stock column 19 and the gap of installing between plate 21 are set to the structure being greater than jump ring 20 thickness, the thickness of scraping wings 22 is set to the structure being less than stock column 19 and installing gap between plate 21, the controller 10 that pusher rod member 4 works with control pusher rod member 4 is connected.
Described press-fit guide pillar 3 and be set to the structure that diameter is less than piston pin hole 9 diameter, fluting 6 is U-shaped structure on jump ring pressure head 2, described press-fit guide pillar 3 when being in non-duty, guide pillar end head 25 is in overlaps the concordant structure in front end 26 with promoting, press-fit guide pillar 3 when being in non-duty, when the jump ring 20 fallen down from feeding device 18 falls into fluting 6, described jump ring 20, under the restriction of fluting 6 and guide pillar end head 25, is in the angle of setting.
The surface of one end that described distribution cover 11 is connected with jump ring pressure head 2 axially arranges multiple tracks opening 27 along jump ring pressure head 2, multiple tracks opening 27 is set to promote the structure of overlapping pack 28 and forming by polylith by promoting cover 11, and the race diameter promoting cover 11 is all set to overlap front end 26 from the distribution be connected with jump ring pressure head 2 with distribution cover inner chamber 28 diameter and overlaps the diminishing structure in rear end 38 to the distribution be connected with stage clip control cylinder 16.
Described pusher master cylinder 24 is set to the structure of air pressure or hydraulic control, stage clip master cylinder 16 is set to the member structure of air pressure or hydraulic control, pusher master cylinder 24 is connected with pipeline I 29 and pipeline II 30 respectively with stage clip master cylinder 16, and the controller 10 that pipeline I 29 and pipeline II 30 stretch with control pusher master cylinder 24 and stage clip master cylinder 16 is respectively connected.
Described scraping wings 22 arranges blanking slope 31, lower end, blanking slope 31 is set to the structure at fluting 6 position on positive alignment jump ring pressure head 2, described press-loading apparatus 1 also comprises return spring 32, described press-fit guide pillar 3 when being in the duty of stretching out to piston pin hole 9 direction, return spring 32 is set to the structure to press-fiting guide pillar 3 and apply reciprocal power.
Described guide pillar 3 middle part that press-fits arranges a type conical bench 33, the middle part of described distribution cover inner chamber 28 arranges along the surface of internal cavity boss of a week 34, described press-fit guide pillar 3 when promoting in cover inner chamber 28 to piston pin 9 one end motion, type conical bench 33 is set to the structure will be resisted against on boss 34 when moving to the medium position promoted and overlap inner chamber 28.
Described distribution cover 11 adopts spring steel material to make.
Operation principle and the course of work of mechanism for assembling clamping spring of engine piston pin of the present invention are as described below:
The stock column of feeding device is set with multiple piston pin clamping spring, and piston pin clamping spring is by conducting oneself with dignity to pressing down.
When needing piston pin clamping spring is installed, pusher master cylinder 24 drives scraping wings 22 that jump ring 20 is advanced blanking slope 31, jump ring 20 drops in the fluting 6 on jump ring pressure head 2 along blanking slope 31, then pusher master cylinder 24 action, scraping wings 22 is driven and then to return to original position together, jump ring 20 deadweight simultaneously declines, and waits for next pusher.Arrange the structure that there is gap between stock column 19 and installation plate 21, this gap is greater than the thickness of scraping wings 22 and jump ring 20, and therefore, scraping wings 22 can release jump ring 20 from this gap, and can only release a jump ring 20 at every turn.Drop to when jump ring 20 after in the fluting 6 on jump ring pressure head 2, under the control of controller 10, stage clip master cylinder 16 promotes to press-fit bar 17, thus promotes jump ring pressure head 2, distribution cover 11 and press-fit guide pillar 3 to travel forward, now, jump ring 20 in fluting 6 is pushed to piston pin hole 9 direction simultaneously, when jump ring pressure head 2 withstands piston pin hole 9, press-fit guide pillar 3 and continue reach, until inject in piston pin hole 9, after jump ring 20 is pressed into piston pin hole 9, jump ring 20 compresses into the locating slot of piston pin hole 9.Ram cavity 5 due to jump ring pressure head 2 is set to the taper structure from progressively reducing to one end, jump ring pressure head outer face 13 diameter dimension with jump ring pressure head end 12, therefore, when jump ring 20 enters jump ring pressure head 2 under the promotion press-fiting guide pillar 3 and distribution cover 11, jump ring 20 is along with close piston pin hole 9 one side, and reduce gradually, due to the size in the hole on the jump ring pressure head outer face 13 of jump ring pressure head 2 and piston pin hole now more, and when jump ring pressure head 2 and piston pin hole 9 are fitted, ram cavity 5 on jump ring pressure head outer face 13 aims at piston pin hole 9 completely, like this, be convenient to jump ring 20 press-fited guide pillar 3 and promote cover 11 and push in piston pin hole 9.
In assemble mechanism of the present invention, described distribution cover 11 is spring steel, there is rigidity and elasticity, so when promoting cover 11 and compressing into jump ring pressure head 2, promote inwall that cover 11 againsts jump ring pressure head 2 all the time slowly to reduce and driven forward jump ring 20 moves, jump ring 20 also reduces according to the diameter change of jump ring pressure head 2 inwall simultaneously, finally sticks in the locating slot in piston pin hole 9.Press-fit in the middle of guide pillar 3 and be processed with a type conical bench 33, such structure, guarantee jump ring pressure head 2 and promote cover 11 to be resisted against the outer rear flank of piston pin hole 9, press-fit guide pillar 3 to move on, inject in piston pin hole 9 behind realization location until press-fit guide pillar 3, and type conical bench 33 press-fits for limiting the degree of depth that guide pillar 3 inserts piston pin hole 9.
Described press-fit guide pillar 3 when being in the duty of stretching out to piston pin hole 9 direction, return spring 32 is set to the structure to press-fiting guide pillar 3 and apply reciprocal power, like this, after jump ring 20 installs, return spring 32 can realize jump ring pressure head 2, distribution cover 11 and press-fit the return of guide pillar 3.
Above by reference to the accompanying drawings to invention has been exemplary description; the concrete realization of obvious the present invention is not subject to the restrictions described above; as long as have employed the various improvement that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasions, all in protection scope of the present invention without to improve.
Claims (5)
1. a mechanism for assembling clamping spring of engine piston pin, described mechanism for assembling clamping spring of engine piston pin comprises press-loading apparatus (1), jump ring pressure head (2), the guide pillar (3) that press-fits of described press-loading apparatus (1) is rod-like structure, press-fit guide pillar (3) one end to be connected with the telescoping rod (4) that control press-fits guide pillar (3) flexible, jump ring pressure head (2) is set to the tubular structure of hollow, centre is ram cavity (5), jump ring pressure head (2) upper end arranges fluting (6), telescoping rod (4) is set to can through the structure of jump ring pressure head (2), jump ring pressure head (2) front end arranges the fixed mount (8) of the piston (7) being used for fixing jump ring to be assembled, when described piston (7) is fixed on fixed mount (8), piston pin hole (9) is set to and press-fits guide pillar (3) and be in structure on same straight line, described press-fit guide pillar (3) when stretching out forward, can extend in piston pin hole (9), the controller (10) that press-loading apparatus (1) works with control press-loading apparatus (1) is connected, described press-loading apparatus (1) also comprises promotes cover (11), described press-fits guide pillar (3) movable set in distribution cover (11), the ram cavity (5) of jump ring pressure head (2) is set to the taper structure from progressively reducing to jump ring pressure head outer face (13) one end diameter dimension with jump ring pressure head end (12), described distribution cover (11) and press-fit guide pillar (3) and be sleeved in press-loading apparatus housing (35), press-loading apparatus housing (35) and jump ring pressure head (2) are arranged in mechanism base (15) respectively by mounting bracket (36) and pulley structure (14), jump ring pressure head (2) is set to the structure linearly seesawed under telescoping rod (4) promotes, described telescoping rod (4) comprises stage clip master cylinder (16) and press-fits bar (17),
It is characterized in that: described mechanism for assembling clamping spring of engine piston pin also comprises feeding device (18), feeding device (18) comprises the stock column (19) being vertically set on press-loading apparatus (1) top, stock column (19) the multiple jump ring of upper suit (20), described stock column (19) below arranges the installation plate (21) arranged in gap between stock column (19), the pusher rod member (23) and pusher master cylinder (24) that plate (21) are arranged scraping wings (22) and control scraping wings (22) movement are installed, stock column (19) and the gap of installing between plate (21) are set to the structure being greater than jump ring (20) thickness, the thickness of scraping wings (22) is set to the structure being less than stock column (19) and installing gap between plate (21), the controller (10) that pusher rod member (23) works with control pusher rod member (23) is connected,
Described guide pillar (3) middle part that press-fits arranges a type conical bench (33), the middle part of described distribution cover inner chamber (28) arranges along the surface of internal cavity boss of a week (34), described press-fit guide pillar (3) when promoting in cover inner chamber (28) to piston pin (9) end motion, type conical bench (33) is set to the structure that will be resisted against when moving to the medium position promoted and overlap inner chamber (28) on boss (34).
2. mechanism for assembling clamping spring of engine piston pin according to claim 1, it is characterized in that: described press-fit guide pillar (3) and be set to the structure that diameter is less than piston pin hole (9) diameter, fluting (6) is upper in U-shaped structure at jump ring pressure head (2), described press-fit guide pillar (3) when being in non-duty, guide pillar end head (25) is in overlaps the concordant structure in front end (26) with promoting, press-fit guide pillar (3) when being in non-duty, when the jump ring (20) fallen down from feeding device (18) falls into fluting (6), described jump ring (20) fluting (6) and guide pillar end head (25) restriction under, be in the angle of setting.
3. mechanism for assembling clamping spring of engine piston pin according to claim 2, it is characterized in that: the surface of one end that described distribution cover (11) is connected with jump ring pressure head (2) axially arranges multiple tracks opening (27) along jump ring pressure head (2), multiple tracks opening (27) is set to promote the structure of overlapping pack (28) and forming by polylith by promoting cover (11), the race diameter promoting cover (11) is all set to overlap front end (26) from the distribution be connected with jump ring pressure head (2) with distribution cover inner chamber (28) diameter and overlaps rear end (38) diminishing structure to the distribution be connected with stage clip control cylinder (16).
4. mechanism for assembling clamping spring of engine piston pin according to claim 3, it is characterized in that: described pusher master cylinder (24) is set to the structure of air pressure or hydraulic control, stage clip master cylinder (16) is set to the member structure of air pressure or hydraulic control, pusher master cylinder (24) is connected with pipeline I (29) and pipeline II (30) respectively with stage clip master cylinder (16), and the controller (10) that pipeline I (29) and pipeline II (30) stretch with control pusher master cylinder (24) and stage clip master cylinder (16) is respectively connected.
5. mechanism for assembling clamping spring of engine piston pin according to claim 4, it is characterized in that: described scraping wings (22) arranges blanking slope (31), blanking slope (31) lower end is set to the structure at fluting (6) position on positive alignment jump ring pressure head (2), described press-loading apparatus (1) also comprises return spring (32), described press-fit guide pillar (3) when being in the duty of stretching out to piston pin hole (9) direction, return spring (32) is set to the structure to press-fiting guide pillar (3) and apply reciprocal power.
Priority Applications (1)
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CN201110396448.6A CN102407440B (en) | 2011-12-03 | 2011-12-03 | A kind of mechanism for assembling clamping spring of engine piston pin |
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CN201110396448.6A CN102407440B (en) | 2011-12-03 | 2011-12-03 | A kind of mechanism for assembling clamping spring of engine piston pin |
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CN102407440A CN102407440A (en) | 2012-04-11 |
CN102407440B true CN102407440B (en) | 2015-09-16 |
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CN201110396448.6A Expired - Fee Related CN102407440B (en) | 2011-12-03 | 2011-12-03 | A kind of mechanism for assembling clamping spring of engine piston pin |
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