CN104097046B - A kind of press press-fiting part - Google Patents

A kind of press press-fiting part Download PDF

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Publication number
CN104097046B
CN104097046B CN201410298758.8A CN201410298758A CN104097046B CN 104097046 B CN104097046 B CN 104097046B CN 201410298758 A CN201410298758 A CN 201410298758A CN 104097046 B CN104097046 B CN 104097046B
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China
Prior art keywords
press
frock
storehouse
compression leg
fiting
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Active
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CN201410298758.8A
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Chinese (zh)
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CN104097046A (en
Inventor
董剑飞
聂铜刚
刘金泉
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Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
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Priority to CN201410298758.8A priority Critical patent/CN104097046B/en
Publication of CN104097046A publication Critical patent/CN104097046A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same

Abstract

The present invention discloses a kind of press press-fiting part, is related to field of mechanical technique, can solve the problem that on same press using the problem changing difficulty during multiple frock.Press includes the compression leg being arranged in press casing, and compression leg is by being press fit into being press-fited workpiece on workpiece with frock cooperation;Press also includes:Frock storehouse, is arranged to mounting tool, and frock includes at least two;The drive rod parallel with compression leg, the bottom of drive rod connects to frock storehouse, and the distance in the junction point in the bottom of the drive rod and frock storehouse axle center at least two frocks is equal;Switching mechanism, is arranged to drive described drive rod to rotate, to control at least two frocks on frock storehouse to turn to the position matched with compression leg respectively;Travel mechanism, is arranged to control switching mechanism and compression leg synchronizing moving.The press press-fiting part of the present invention can be used for parts assembling during automobile production.

Description

A kind of press press-fiting part
Technical field
The present invention relates to automobile technical field, more particularly, to a kind of press press-fiting part.
Background technology
Developing rapidly with automobile industry, faster, preferably realizes Automated assembly and proposes new requirement to enterprise. Assembling form includes press-fiting, bolt-connection, riveting, viscose glue connection etc., press-fit be important be also one of most basic assembling form. Press-loading device is broadly divided into pneumatic press, hydraulic coupling machine and servo-pressing machine, or is divided into single-cylinder pressure machine and multi-cylinder group combined pressure Power machine.But the difference due to press-fiting part needs using different pressure heads, therefore forcing press (also referred to as press) typically adopts special pressure Head carries out press-fiting assembling, is therefore generally required multiple stage forcing press when press-fiting for multiple parts, can make bus wire body That cost input is high, arrangement takes up room is big.At present, when being assembled for some general components such as gear shaft string, it is right to need Bearing and multiple gear are press-fited, and now can adopt fixed pressure head on same press, by changing corresponding frock To realize multiple parts are press-fited, but, these corresponding frocks are all manual making, need operator purely manual more Change, lead to complex operation, easily occur misloading and personnel labor intensity big the problems such as.
Content of the invention
The present invention provides a kind of press press-fiting part, can solve the problem that tired using changing during multiple frock on same press Difficult problem.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that:
A kind of press press-fiting part, including the compression leg being arranged in press casing, described compression leg is by coordinating with frock Workpiece will be press-fited be press fit on workpiece, described press also includes:
Frock storehouse, for installing described frock, described frock includes at least two;
Drive rod, parallel with described compression leg, the bottom of described drive rod connects to described frock storehouse, with described frock storehouse The distance in the axle center to described at least two frocks for the junction point is equal;
Switching mechanism, for driving described drive rod to rotate, to control described at least two frocks on described frock storehouse Turn to the position matched with described compression leg respectively.
Further, described switching mechanism includes:
Motor;
Indexing means, the input of described indexing means is connected with described motor, the outfan of described indexing means It is fixedly connected with the top of described drive rod.
Further, described press also includes travel mechanism, and described travel mechanism includes:
Line slideway, parallel with described compression leg;
Sliding shoe, slides on described line slideway and along described line slideway, described switching mechanism is fixedly installed On described sliding shoe;
Fixture, described fixture is located between described switching mechanism and described sliding shoe, and described sliding shoe passes through described Fixture is fixedly attached on described compression leg.
Further, described line slideway includes two.
Further, described fixture is H-shaped.
Further, described switching mechanism is located in described press casing;
The bottom of described drive rod is passed through the opening of described press box bottom and is connected with described frock storehouse.
Further, described travel mechanism also includes:
Guide bearing, is fixedly installed on the described opening of described press tank floor, the bottom of described drive rod passes through Described guide bearing is simultaneously connected with described frock storehouse.
Further, described frock storehouse be circular slab, the axis of described drive rod perpendicular to described frock storehouse and with described The center of circle in frock storehouse is intersected, and described at least two frocks are symmetrically mounted on described frock storehouse centered on the described center of circle.
Further, the top of described frock is provided with frock step, and described frock step is set in described work in circular On the outer ring surface of dress, the top surface of described frock step is coplanar with the top surface of described frock;
Circular hole for installing described frock offered on described frock storehouse, described circular hole with diameter greater than described frock External diameter and the external diameter less than described frock step.
Further, between the bottom surface of described compression leg and described frock storehouse upper surface spaced a predetermined distance, described pre- spacing From the thickness more than described frock step.
The press press-fiting part provided in an embodiment of the present invention, including at least two frocks be mounted on frock storehouse, So that same press, more easily using multiple frocks, press-fits requirement to adapt to various parts, can reduce work further The space that dress takies, conveniently press-fits operation.The frock storehouse of press is connected with drive rod, and the company in the bottom of drive rod and frock storehouse The distance in the axle center at least two frocks for the contact is equal, thus, it is only required to want rotation of drive rod just can drive on frock storehouse extremely Few two frocks turn to the position matched with compression leg respectively, realize the switching of multiple frocks, and structural principle is simple, Neng Gouti High switching efficiency.In addition, being driven to drive rod by the switching mechanism being separately provided, do not affect press press-fits behaviour Make it is ensured that the stability of compressor operation.
Brief description
Fig. 1 is the press overall structure diagram press-fiting part according to an embodiment of the invention;
Fig. 2 is the axonometric chart in the frock storehouse being provided with multiple frocks according to an embodiment of the invention;
Fig. 3 is the enlarged diagram of a part in Fig. 1.
Specific embodiment
Below in conjunction with the accompanying drawings the press press-fiting part of the embodiment of the present invention is described in detail.
Fig. 1 is the press overall structure diagram press-fiting part according to an embodiment of the invention.As shown in figure 1, pressure Machine can include press casing 100, and the top of press casing 100 is provided with pressure source 200, and pressure source 200 can be cylinder Or hydraulic cylinder.Press also includes the compression leg 300 being vertically arranged, and one end (top of diagram) of compression leg 300 connects to pressure source 200 Outfan.Compression leg 300 is used to press-fit the critical piece being press-fited workpiece 600, the other end (bottom of diagram) of compression leg 300 Generally include pressure head 301, compression leg 300 therefore no longer can be tied to it using the multiple suitable compression leg structure being currently known Structure is repeated.Compression leg 300 is placed in press casing 100, and the other end (bottom of diagram) of compression leg 300 passes through locating piece 101 stretch out press casing 100, and locating piece 101 can be defined to compression leg 300 horizontal line displacement, to strengthen compression leg 300 operation Stability.The vertical lower of compression leg 300 can be press-fited workpiece 600 by the fixing workpiece 700 needing to press-fit of corresponding fixture It is placed in the position that the vertical direction needs of workpiece 700 press-fit, in pressure head 301 bottom surface and the upper surface being press-fited workpiece 600 between It is provided with the frock 500 matching.When pressure source 200 provides pressure, compression leg 300 can be driven to move downward, pressure head 301 promotes Frock 500 movement that bottom matches, frock 500 promotes and is press-fited workpiece 600 towards workpiece 700 movement, until being press-fited Workpiece 600 is press fit into the installation site on workpiece 700 completely, thus completing to press-fit.
The press of the present invention can also include frock storehouse 400 and drive rod 803.Frock storehouse 400 is used for mounting tool 500, At least two frocks 500 can be installed on one frock storehouse 400.Drive rod 803 is arranged in parallel with compression leg 300, and drive rod 803 can To be fixed to frock storehouse 400 by its bottom, and the junction point in the bottom of drive rod 803 and frock storehouse 400 is to frock storehouse 400 The distance in the axle center of any one frock 500 upper is all equal, that is to say that at least two frocks 500 are right centered on this junction point Claim arrangement.It is appreciated that working as at least two frocks 500 during own axis, on frock storehouse 400 for the drive rod 803 Movement locus will overlap.By the way of the present invention installs at least two frocks 500 using frock storehouse 400, so that same pressure Machine more easily using multiple frocks 500, press-fits requirement to adapt to various parts, can reduce frock 500 occupancy further Space, conveniently press-fits operation.
Fig. 2 is the axonometric chart in the frock storehouse 400 being provided with multiple frocks 500 according to an embodiment of the invention.As Fig. 2 Shown, the frock storehouse 400 of the present invention can be a circular slab, and is in horizontally disposed, and the extended line of drive rod 803 axis passes through work The center of circle in dress storehouse 400.Further, frock storehouse 400 is uniformly provided with eight frocks 500, frock 500 can also be as needed It is arranged to other quantity.It should be understood that the frock storehouse 400 of the present invention can be other the multiple suitable shapes in addition to circular slab Shape, such as bar shaped, ellipse etc..In addition, frock storehouse 400 can even is that suitable shape in uneven thickness, as long as ensureing In rotation process, on frock storehouse 400, each frock 500 of setting can be used drive rod 803 with compression leg 300 proper engagement , therefore the other shapes and installation form in frock storehouse 400 are repeated no more.
The press of the present invention can also include switching mechanism.Switching mechanism can be fixedly connected with the top of drive rod 803, And drive this drive rod 803 to drive frock storehouse 400 to rotate, so that all frocks 500 on frock storehouse 400 can rotate To the position matched with compression leg.Further, as shown in fig. 1, the switching mechanism of the present invention can include motor 801 With indexing means 802.The outfan of motor 801 is connected with the input at the top of indexing means 802, indexing means 802 The outfan of bottom is fixedly connected with the top of drive rod 803.When motor 801 rotates, will be turned by indexing means 802 Kinetic moment is transferred to drive rod 803 to drive drive rod 803 to rotate, meanwhile, by indexing means 802 come to drive rod 803 Rotational angle is adjusted.Under this structure, operator only need to control cut-offfing of motor 801 just can be to frock 500 switching is controlled, and can reduce the working strength of operator, improves frock 500 transition effect it is ensured that press-fiting matter Amount.It is appreciated that the indexing means 802 in the present invention can be adopted as being currently known multiple suitable there is indexing function One of device, is no longer described specifically to its structure herein.
According to the present invention, in order to reduce the working strength of operator further, improve frock 500 switching precision, in knot On the basis of closing the version of workpiece 700 needing to press-fit, the program of motor 801 can be set so that being driven Galvanic electricity machine 801 cut-offs automatically, thus automatically controlling the rotation of drive rod 803.
How the present invention focuses on by switching mechanism so that drive rod 803 rotates, and therefore, switching mechanism can be with Other parts beyond the top of drive rod 803 connect, to drive drive rod 803 to rotate.Equally, switching mechanism can also The structure that in addition to using connecting indexing means 802 except motor 801, other are suitable for;Such as can arrange on drive rod 803 One manual turntable, controls the rotation of drive rod 803 or other movements (to include follow-up by operator's hand rotation rotating disk Will describe moves up and down), equally it is capable of on the same press of the present invention using multiple frocks 500 and switching frock 500 more efficient purposes.
The press of the present invention can also include travel mechanism, for controlling switching mechanism and being fixedly connected with switching mechanism Drive rod 803, part and compression leg 300 synchronizing moving such as frock storehouse 400 and frock 500.As shown in fig. 1, travel mechanism The line slideway 901 fixture 903 can be included, matching and sliding shoe 902.
Line slideway 901 is parallel with compression leg 300, and sliding shoe 902 is arranged on line slideway 901 and can be along line slideway 901 slide up and down, and the motor 801 in switching mechanism and indexing means 802 are all fixedly installed on sliding shoe 902.Straight line Guide rail 901 can be more than one, and in the preferred embodiment of the present invention, line slideway 901 is two, enables to coordinate thereon The movement of sliding shoe 902 is more firm, thus ensureing the stability that switching mechanism runs.
Fixture 903 is located between sliding shoe 902 and compression leg 300, and sliding shoe 902 is fixedly attached to by fixture 903 On the cylinder of compression leg 300 or other be suitable for positions so that sliding shoe 902 can drive switching mechanism fixed thereon with And miscellaneous part follows compression leg synchronizing moving about 300.Fixture 903 can be multiple suitable shapes, and the present invention's is preferred In embodiment, fixture 903 is the H-shaped shown in Fig. 1, can increase the contact area with sliding shoe 902 and compression leg 300, plus Strong sliding shoe 902 the moving stability, makes the volume of fixture 903 less simultaneously again, reduces press overall weight, save material Cost.Certainly, sliding shoe 902 can also be multiple suitable shapes, and here is omitted.
According to the present invention, switching mechanism and drive rod 803 (end sections except being connected with frock storehouse 400) are typically position The safety of switching mechanism operation inside press casing 100, can be increased, prevent from operator are damaged, again simultaneously The overall volume of press can be reduced.Offer opening in the bottom of press casing 100, the bottom of drive rod 803 is stretched from this opening Go out press casing 100, further, it is possible to arrange guide bearing 904 on this bottom opening, similar to above-mentioned locating piece 101 Effect, can strengthen the stability of drive rod 803 motion, strengthen sealing of press casing 100 etc..Based on said structure cloth Put it will be understood that as shown in figure 1, the fixture 903 of the present invention, line slideway 901 and sliding shoe 902 all can be located at press Inside casing 100, line slideway 901 can be fixed and be laid on press casing 100 inwall.
According to the present invention, switching mechanism and drive rod 803 can also be in, outside press casing 100, being such as arranged in The side of press casing 100.Line slideway 901 and sliding shoe 902 may be located at outside press casing 100, line slideway 901 phase It is arranged on the side wall of press casing 100 with answering.Fixture 903 can pass through press casing 100 side wall again with compression leg 300 Cylinder is fixedly connected, and equally enables to sliding shoe 902 and drives switching mechanism fixed thereon and miscellaneous part to follow compression leg 300 synchronizing movings.The form can also being suitable for for other in addition to above-mentioned arrangement form, here is omitted.
Fig. 3 is the enlarged diagram of a part in Fig. 1.At present, existing frock 500 is generally all cylindric, as Fig. 3 institute Show, the top of the frock 500 of the present invention generally can arrange frock step 501.Frock step 501 is set in frock in circular On 500 outer ring surface, and the top surface of frock step 501 is coplanar with the top surface of frock 500.Frock storehouse 400 offers use Between the circular hole of mounting tool 500, the circular hole in frock 500 and frock storehouse 400 for gap coordinate, circular hole with diameter greater than frock 500 external diameter and the external diameter less than frock step 501, thus reduce during frock 500 press-fits wear and tear to frock storehouse 400.Enter One step ground, the press of the present invention is also defined to the position in frock storehouse 400 so that the upper surface in frock storehouse 400 is to compression leg H spaced a predetermined distance between 300 bottom surface (being construed as the bottom surface of pressure head 301), preset distance H are more than frock step 501 Thickness, as long as meet frock 500 and not stressing, caning turn to compression leg 300 times, such structure is so that press-fit process Middle frock step 501 can be departed from the upper surface in frock storehouse 400 in short distance, prevents frock storehouse 400 stress abrasion.
According to the present invention, when being press-fited after workpiece 600 is placed on workpiece 700, startup press-fits, and operator can be with handss The frock 500 that dynamic rotary fixture storehouse 400 is matched with selection, or control (or according to the procedure auto-control setting) to drive Motor 801 drives indexing means 802 to rotate corresponding angle, and (at this moment frock 500 will rotate to choose the frock 500 matching Extremely press-fited directly over workpiece 600);Then compression leg 300 drives the parts one such as switching mechanism, drive rod 803 and frock storehouse 400 Rise and move downward, when frock 500 bottom surface on frock storehouse 400 and frock 500 after press-fited workpiece 600 upper surface stop; Compression leg 300 drives above-mentioned remaining part to continue to move downward, when the bottom surface of the pressure head 301 of compression leg 300 and the upper surface of frock 500 It is press-fit into place by pressing frock 500 and will be press-fited workpiece 600 after contact;Frock step 501 and frock storehouse 400 during press-fiting Can short distance depart from;After completing once to press-fit, above-mentioned part follows compression leg 300 return to be press-fited next time.
In describing the invention it is to be understood that term " " center ", " on ", D score, "front", "rear", " left ", The orientation of instruction such as " right ", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship are based on shown in the drawings Orientation or position relationship, be for only for ease of description the present invention and simplify description, rather than instruction or hint indication device or Element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or is integrally connected;Can To be to be mechanically connected or electrical connection;Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
In describing the invention, it should be noted that when element is referred to as " being fixed on " or " being arranged at " another yuan Part, it can be directly on another element or may be simultaneously present centering elements.It is known as when an element and " connect In " another element, it can be directly to another element or may be simultaneously present centering elements.
In the description of this specification, specific features, structure, material or feature can be in any one or more realities Apply in example or example and combine in an appropriate manner.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain Cover within protection scope of the present invention.Therefore, protection scope of the present invention should described be defined by scope of the claims.

Claims (9)

1. a kind of press press-fiting part, including the compression leg being arranged in press casing, described compression leg is by coming with frock cooperation Workpiece will be press-fited be press fit on workpiece it is characterised in that described press also includes:
Frock storehouse, for installing described frock, described frock includes at least two;
Drive rod, parallel with described compression leg, the bottom of described drive rod connects to described frock storehouse, the connection with described frock storehouse The distance in point to the axle center of described at least two frocks is equal;
Switching mechanism, for driving described drive rod to rotate, to control the described at least two frocks difference on described frock storehouse Turn to the position matched with described compression leg;
Described press also includes travel mechanism, and described travel mechanism includes:
Line slideway, parallel with described compression leg;
Sliding shoe, slides on described line slideway and along described line slideway, described switching mechanism is fixedly installed on institute State on sliding shoe;
Fixture, described fixture is located between described compression leg and described sliding shoe, and it is solid that described sliding shoe passes through described fixture Fixed connection is to described compression leg.
2. the press press-fiting part according to claim 1 is it is characterised in that described switching mechanism includes:
Motor;
Indexing means, the input of described indexing means is connected with described motor, the outfan of described indexing means and institute The top stating drive rod is fixedly connected.
3. the press press-fiting part according to claim 1 and 2 is it is characterised in that described line slideway includes two.
4. the press press-fiting part according to claim 3 is it is characterised in that described fixture is H-shaped.
5. the press press-fiting part according to claim 4 is it is characterised in that described switching mechanism is located at described press case In vivo;
The bottom of described drive rod is passed through the opening of described press box bottom and is connected with described frock storehouse.
6. the press press-fiting part according to claim 1 is it is characterised in that described travel mechanism also includes:
Guide bearing, is fixedly installed on the opening of described press tank floor, and the bottom of described drive rod passes through described guiding Bearing is simultaneously connected with described frock storehouse.
7. the press press-fiting part according to claim 1 it is characterised in that described frock storehouse be circular slab, described drive The axis of lever intersects perpendicular to described frock storehouse and with the center of circle in described frock storehouse, and described at least two frocks are with the described center of circle Centered on be symmetrically mounted on described frock storehouse.
8. the press press-fiting part according to claim 1 is it is characterised in that the top of described frock is provided with tooling platform Rank, described frock step is on the circular outer ring surface being set in described frock, the top surface of described frock step and described frock Top surface coplanar;
Circular hole for installing described frock, the external diameter with diameter greater than described frock of described circular hole are offered on described frock storehouse And the external diameter less than described frock step.
9. the press press-fiting part according to claim 8 is it is characterised in that the bottom surface of described compression leg and described frock storehouse Between upper surface spaced a predetermined distance, described preset distance is more than the thickness of described frock step.
CN201410298758.8A 2014-06-27 2014-06-27 A kind of press press-fiting part Active CN104097046B (en)

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Publication number Priority date Publication date Assignee Title
CN112025274A (en) * 2020-09-25 2020-12-04 吴瑞强 Automatic press fitting equipment for main reduction gear of gearbox

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3643884A1 (en) * 1986-12-22 1988-06-30 Mannesmann Ag METHOD FOR REMOVING THE SNAIL FROM THE SCREW CYLINDER OF A SNAIL INJECTION MOLDING MACHINE AND CORRESPONDINGLY DESIGNED SNAIL INJECTION MOLDING MACHINE
CN101224545B (en) * 2008-02-03 2011-12-28 大连智云自动化装备股份有限公司 Self-adapting multi-headed press mounting machine
CN102225626A (en) * 2011-03-25 2011-10-26 湘潭华诚机械有限公司 Full-automatic isostatic pressing machine for multi-station vertical-type rotary table
CN103009042A (en) * 2012-12-31 2013-04-03 长城汽车股份有限公司 Press fitting device for guide pipe and seat retainer of engine cylinder head
CN103707044B (en) * 2013-09-25 2016-05-11 常州金康精工机械股份有限公司 Multistation shaft press
CN203665045U (en) * 2013-12-30 2014-06-25 常州鼎唐电机有限公司 Multi-station shaft pressing device

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