CN109605001A - A kind of pressing device based on the press fitting of small space - Google Patents

A kind of pressing device based on the press fitting of small space Download PDF

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Publication number
CN109605001A
CN109605001A CN201910069321.XA CN201910069321A CN109605001A CN 109605001 A CN109605001 A CN 109605001A CN 201910069321 A CN201910069321 A CN 201910069321A CN 109605001 A CN109605001 A CN 109605001A
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CN
China
Prior art keywords
arm
claw
pressing
small space
press fitting
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910069321.XA
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Chinese (zh)
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CN109605001B (en
Inventor
张绪国
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Chen Cheli
Original Assignee
Zhejiang Hongbo Automation Co Ltd
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Filing date
Publication date
Application filed by Zhejiang Hongbo Automation Co Ltd filed Critical Zhejiang Hongbo Automation Co Ltd
Priority to CN201910069321.XA priority Critical patent/CN109605001B/en
Publication of CN109605001A publication Critical patent/CN109605001A/en
Application granted granted Critical
Publication of CN109605001B publication Critical patent/CN109605001B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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 relates to a kind of pressing devices based on the press fitting of small space, and including clamping platform, claw and the bracket, pivoted arm, link arm that are set to clamping platform side, the bracket is fixed and exceeded the surface with clamping platform, is provided with Coupling Shaft on bracket;The side of the claw is provided through the switching slot for wearing for Coupling Shaft and connecing, sliding;The both ends of the pivoted arm are hingedly connected to bracket and claw;Described link arm one end and pivoted arm or claw are hinged, and the other end of link arm is that power intake drives pivoted arm rotation, and the rotary centerline of link arm, pivoted arm and Coupling Shaft is mutually parallel;The position of the sliding slot has and realizes in small space the synchronous of workpiece multi-angle is compressed and be detached from relative to pivoted arm and claw, the advantage that easy to operate, pressing system stability is high, precision is high.

Description

A kind of pressing device based on the press fitting of small space
Technical field
The present invention relates to a kind of tooling field more particularly to a kind of pressing devices based on the press fitting of small space.
Background technique
When to wheel hub and its directly matched connection structure (workpiece 10 of such as Fig. 1) press fitting, generally require to pass through press fitting Machine realize, but from figure it can also be seen that its in the axial direction can grasping part it is very small, it is difficult to realize clamping.
Authorization Notice No. is that the Chinese patent of CN204111269U discloses a kind of wheel hub turnover device, the clamping device Including manipulator crowfoot, mechanical paw slide unit, a pair of of mechanical paw and a pair of of driving manipulator pawl horizontal movement cylinder, it is described Mechanical paw is installed on mechanical paw slide unit, is led on the manipulator crowfoot equipped with the straight line arranged in pairs or groups with mechanical paw slide unit The cylinder of rail, a pair of of driving manipulator pawl horizontal movement is installed on manipulator crowfoot up and down, and promotion robot pawl is horizontal respectively Movement.
Above-mentioned is also the usual way of the prior art, by the way of side holding, although realizing certain to workpiece Degree clamping, but bounce is only easy to produce during press fitting frictionally to the limit of short transverse, can not only be produced from surface Raw a degree of abrasion, it is not accurate enough to also result in press fitting.
Summary of the invention
The object of the present invention is to provide a kind of pressing devices based on the press fitting of small space, have and realize in small space to work What part was compressed and was detached from, the advantage that easy to operate, pressing system stability is high, precision is high.
Above-mentioned technical purpose of the invention has the technical scheme that
It is a kind of based on small space press fitting pressing device, including clamping platform, claw, be set to the bracket of clamping platform side with And it is set to pivoted arm, link arm on bracket, Coupling Shaft is provided on bracket, the Coupling Shaft exceeds the surface of clamping platform; The side of the claw is provided through the switching slot for rotating for Coupling Shaft and sliding along its length;The both ends of the pivoted arm point Bracket and claw are not articulated with it;Described link arm one end and pivoted arm or claw are hinged, and the other end of link arm is power intake drive Pivoted arm rotation, and the rotary centerline of link arm, pivoted arm and Coupling Shaft is mutually parallel;It is described switching slot position relative to turn The hinge joint of arm and claw is used to press one end of workpiece, the axle center of the Coupling Shaft and two hinge joints of pivoted arm closer to claw Line angle be consistently less than or be equal to 90 °.
By using above-mentioned technical proposal, when link arm exerts a force and rotates and move, pivoted arm is flat around itself and clamping The hinge joint of platform rotates, corresponding, and pivoted arm drags claw rotation, there is the limitation of Coupling Shaft, the connecting portion of claw and Coupling Shaft Remain uniform height, claw offsets part because of height change brought by rotating with pivoted arm, so as to form pressure by sliding Pawl rotation and mobile compound motion, and since there are two the dispersions of magnitude, allow claw with very small corner amount Or high variable quantity is compressed to workpiece surface or is detached from workpiece, realizes workpiece and realizes high-precision compression in small space and take off From, and the limitation of angle then avoids interference with the appearance of situation.
The present invention is further arranged to: the pivot center of the link arm and the pivot center of pivoted arm are conllinear, the claw Two sides are respectively arranged with symmetrical link arm and pivoted arm.
It is by using above-mentioned technical proposal, the pivot center of pivoted arm and link arm is conllinear, and applied jointly in the two sides of claw Power, the effective stabilization for improving claw movement are accurate.
The present invention is further arranged to: it further include swing arm, the middle part of the swing arm or the position rotation connection close to middle part In bracket;The power intake of the link arm is articulated with one end of swing arm.
By using above-mentioned technical proposal, swing arm and bracket form fixed point connection, using swing arm as power intake, rotation Swing arm is transmitted by link arm, drives pivoted arm rotation, has good action stability.
The present invention is further arranged to: the same side of the clamping platform is provided at least two claws, and the clamping is flat The side of platform is provided with the shaft connecting with holder pivots, shaft is driven to rotate and connect simultaneously the rocker arm of at least two shafts, The center of rotation of swing arm is fixed in the end of the shaft.
By using above-mentioned technical proposal, overturning rocker arm can drive multiple shafts to rotate simultaneously, to drive solid with shaft Fixed swing arm rotation, and then the multiple claws of synchronously control are compressed or are unclamped.
The present invention is further arranged to: the rocker arm includes rotating member and the swing component for being rotationally connected with rotating member, described The other end of swing component is fixed with shaft, and the first gag lever post, the side end face fovea superior of the clamping platform are equipped on the rocker arm It falls into and is provided with the first limit hole worn and connect for the first gag lever post.
By using above-mentioned technical proposal, control rocker arm that can be more laborsaving using the first gag lever post as force application part is put It is dynamic, it, can be by the first gag lever post and the first limit hole to fetching realization to rocker arm when claw is moved to workpiece pressing Limit, to keep limit state;To maintain the impaction state of claw;And the relative rotation between rotating member and swing component, it can With by adjusting hole location towards to be adapted to compress different workpiece.
The present invention is further arranged to: when the link arm and the conllinear respective hinge joint of swing arm, first gag lever post with First limit hole is conllinear.
By using above-mentioned technical proposal, swing arm belongs to the component for being actively entered power relative to link arm, the three of the two A hinge joint just forms the dead point of power transmission when conllinear, at this point, the drive swing arm motion that link arm can not be reverse;At this time again Limit is provided by the docking of gag lever post and prevents collinearly changing for the two, transmission can be limited with lesser limit power, The effective stability for improving pressing system.
The present invention is further arranged to: vertical the second limit for being provided with the first limit hole of connection on the clamping platform, It is equipped with the second locating part in second limit hole, second with the cooperation of the second limit hole is provided on first gag lever post Limiting slot.
By using above-mentioned technical proposal, after the first gag lever post is inserted into the first limit hole, by the second locating part and The mating of second limiting slot provides limit to the displacement of the first gag lever post in axial direction, generates to avoid during machine operation Vibration or body inclination etc. factors and cause the mating of the first gag lever post and the first limit hole limit fail, further increase pressure The stability of dress system.
The present invention is further arranged to: the opposite two sides of the clamping platform are respectively set an at least claw, bracket, turn Arm, link arm and swing arm, the bottom of the clamping platform is provided with using middle part as the adapting rod of center of rotation, along two sides, claw is opposite The sliding rail that extends of direction and sliding be connected to the sliding block of sliding rail, the both ends of the adapting rod have been respectively articulated with first connecting rod, The other end of the first connecting rod is provided with articulated shaft, and the both ends of articulated shaft are rotatablely connected with second connecting rod and sliding block respectively, The other end of second connection and swing arm are hinged.
By using above-mentioned technical proposal, a swing arm wherein, which carries out rotation, is, will pass through the first connecting rod, second of transferring Connecting rod and adapting rod are transmitted, and other side swing arm is rotated synchronously, realize only need to the side of clamping platform into Row operation can provide operating efficiency, reduce and accidentally grasp to the synchronous compression of claw for realizing two sides.
The present invention is further arranged to: the swing arm be it is L-shaped, the second connecting rod and link arm respectively with L-shaped two End connection, the coupling part at the both ends of the second connecting rod is provided with globular hinge head.
By using above-mentioned technical proposal, expand swing arm during swing, the hinge point of second connecting rod and swing arm Amplitude of fluctuation, and increase the driving torque of first connecting rod, second connecting rod and adapting rod in transmission process.
The present invention is further arranged to: the separate one end connecting with pivoted arm of the claw is provided with perforation, in the perforation It fills and the surface protrusion for compressing is provided with excellent power glue laminated head.
By using above-mentioned technical proposal, the rigidity of plastics, and have the elasticity of rubber, with this keep it is enough compress it is steady While qualitative, the smile error generated in docking linkage process can be overcome with certain elasticity.
In conclusion the invention has the following advantages:
1, claw offsets part because of height change brought by rotating with pivoted arm, so as to form claw rotation and movement by sliding Compound motion allow claw with very small corner amount or high variable quantity and since there are two the dispersions of magnitude It is compressed to workpiece surface or is detached from workpiece, realize workpiece and realize high-precision compression and disengaging in small space, and angle Limitation then avoids interference with the appearance of situation;
2, multiple claws positioned at clamping platform the same side are controlled using rocker arm simultaneously, and cross adapting rod, swing arm and two link arms Transmission, realize to be located at the not ipsilateral claw of clamping platform and can synchronize and work, improve the precision of operating efficiency;
3, the impaction state that claw is maintained in a manner of the limit of dead point, improves the stability of pressing system.
Detailed description of the invention
Fig. 1 is the overall structure figure of the pressing device of embodiment 1;
Fig. 2 is that the pressing device of embodiment 1 removes the structure chart after pedestal;
Fig. 3 is the structure chart of the second linkage structure of embodiment 1.
In figure, 1, clamping platform;2, drive mechanism;3, the first linkage structure;4, the second linkage structure;10, workpiece;11, Claw;111, it perforates;112, switching slot;113, sliding slot;12, bracket;13, transfer block;14, Coupling Shaft;21, pivoted arm;22, even Arm;23, swing arm;31, shaft;32, rocker arm;321, rotating member;322, swing component;33, the first gag lever post;34, the second limiting slot; 35, the first limit hole;36, the second limit hole;41, adapting rod;42, sliding rail;43, sliding block;44, first connecting rod;45, articulated shaft; 46, second connecting rod.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment 1: it is a kind of based on small space press fitting pressing device, as shown in Figure 1, include clamping platform 1, claw 11, Each connection structure for being set to the bracket 12 of 1 side of clamping platform and being set on bracket 12, the same side of clamping platform 1 are set It sets there are two claw 11, and there are two the settings of opposite side.The corresponding one group of drive mechanism 2 of each claw 11, ipsilateral claw 11 it Between be provided with the first linkage structure 3, the second linkage structure 4 is provided between opposite claw 11.
Referring to Fig. 2, claw 11 for pressing one end of workpiece 10 to be provided with vertical perforation 111, in perforation 111 filling and Surface protrusion for compressing is provided with excellent power glue laminated head.The side of claw 11 is provided through switching slot 112, slot 112 of transferring Along the length direction of claw 11, i.e., the vertical direction in switching slot 112 extends to form waist type groove.Bracket 12 protrudes in height to be set It is equipped with transfer block 13, Coupling Shaft 14 is rotatably equipped in transfer block 13, Coupling Shaft 14 exceeds the surface of clamping platform 1. The axis of Coupling Shaft 14 be horizontal direction and both ends respectively in a waist type groove sliding, can relatively rotate and connect, claw 11 Middle part is also equipped with the sliding slot 113 relatively moved for transfer block 13 and claw 11.
Drive mechanism 2 includes pivoted arm 21, link arm 22, swing arm 23.Two sides of the claw 11 far from excellent power glue and link arm 22 and The pivot center of the rotation connection of pivoted arm 21 and link arm 22 is conllinear with the pivot center of pivoted arm 21,22 He of link arm of 11 two sides of claw Pivoted arm 21 is symmetrical set.The angle of the axle center of Coupling Shaft 14 and the line of two hinge joints of pivoted arm 21 is consistently less than or is equal to 90 °, to guarantee that claw 11 be to turn in the rotary motion trace exited outward.The other end of pivoted arm 21 is articulated with bracket 12, link arm 22 other end and swing arm 23 are articulated and connected, and swing arm 23 is L-shaped, the middle part of swing arm 23 or the position rotation connection close to middle part In bracket 12.Link arm 22, pivoted arm 21, the rotary centerline of swing arm 23 and Coupling Shaft 14 are mutually parallel.
First linkage structure 3 includes the shaft 31 being rotatablely connected with bracket 12, drives shaft 31 to rotate and be connected to simultaneously The rocker arm 32 of few two shafts 31, the center of rotation of swing arm 23 is fixed in the end of shaft 31.Rocker arm 32 includes 321 He of rotating member It is rotationally connected with the swing component 322 of rotating member 321, the other end and shaft 31 of swing component 322 are fixed.Is equipped on rocker arm 32 One gag lever post 33, the first gag lever post 33 have been disposed radially the second limiting slot 34, have been recessed on the side end face of clamping platform 1 and are provided with The second limit hole 36 of the first limit hole 35 and vertical first limit hole 35 that connect is worn for the first gag lever post 33.22 He of link arm When the respective hinge joint of swing arm 23 is conllinear, the first gag lever post 33 and the first limit hole 35 are conllinear.It is equipped in second limit hole 36 With the second locating part of the second limit hole 36 mating.
Referring to Fig. 3, the second linkage structure 4 includes being set to the bottom of clamping platform 1 and turning using middle part as center of rotation Extension bar 41, the sliding rail 42 extended along the opposite direction of two sides claw 11 and sliding are connected to the sliding block 43 of sliding rail 42, and described turn The both ends of extension bar 41 have been respectively articulated with first connecting rod 44, and the other end of the first connecting rod 44 is provided with articulated shaft 45, hingedly The both ends of axis 45 are rotatablely connected with second connecting rod 46 and sliding block 43 respectively, and the other end of second connection and swing arm 23 are hinged. Second connecting rod 46 and link arm 22 are connect with L-shaped two ends respectively, and the coupling part at the both ends of second connecting rod 46 is provided with ball Shape articulated joint.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this All by the protection of Patent Law in the protection scope of invention.

Claims (10)

1. a kind of pressing device based on the press fitting of small space, it is characterized in that: including clamping platform (1), claw (11), being set to dress Pivoted arm (21), the link arm (22) for pressing from both sides the bracket (12) of platform (1) side and being set on bracket (12), bracket are arranged on (12) Have Coupling Shaft (14), the Coupling Shaft (14) exceeds the surface of clamping platform (1);The side of the claw (11) is through setting There is the switching slot (112) for rotating for Coupling Shaft (14) and sliding along its length;The both ends of the pivoted arm (21) are hingedly connected to Bracket (12) and claw (11);Described link arm (22) one end and pivoted arm (21) or claw (11) hingedly, the other end of link arm (22) Pivoted arm (21) rotation is driven for power intake, and the rotary centerline of link arm (22), pivoted arm (21) and Coupling Shaft (14) is equal It is parallel to each other;The position of switching slot (112) relative to pivoted arm (21) and claw (11) hinge joint closer to claw (11) For pressing one end of workpiece (10), the angle of the line of two hinge joints in the axle center and pivoted arm (21) of the Coupling Shaft (14) begins It is less than or equal to 90 ° eventually.
2. a kind of pressing device based on the press fitting of small space according to claim 1, it is characterized in that: the link arm (22) Pivot center is conllinear with the pivot center of pivoted arm (21), the two sides of the claw (11) be respectively arranged with symmetrical link arm (22) and Pivoted arm (21).
3. a kind of pressing device based on the press fitting of small space according to claim 1, it is characterized in that: further including swing arm (23), the middle part of the swing arm (23) or bracket (12) are rotationally connected with close to the position at middle part;The power of the link arm (22) Input terminal is articulated with one end of swing arm (23).
4. a kind of pressing device based on the press fitting of small space according to claim 1, it is characterized in that: the clamping platform (1) the same side is provided at least two claws (11), and the side of the clamping platform (1) is provided with to be connected with bracket (12) rotation The shaft (31) that connects drives shaft (31) rotation and the simultaneously rocker arm (32) of connection at least two shafts (31), the shaft (31) center of rotation of swing arm (23) is fixed in end.
5. a kind of pressing device based on the press fitting of small space according to claim 4, it is characterized in that: the rocker arm (32) wraps The swing component (322) for including rotating member (321) and being rotationally connected with rotating member (321), the other end of the swing component (322) with turn Axis (31) is fixed, is equipped with the first gag lever post (33) on the rocker arm (32), is recessed on the side end face of the clamping platform (1) and sets It is equipped with and wears the first limit hole (35) connect for the first gag lever post (33).
6. it is according to claim 5 it is a kind of based on small space press fitting pressing device, it is characterized in that: the link arm (22) and When swing arm (23) respective hinge joint is conllinear, first gag lever post (33) and the first limit hole (35) are conllinear.
7. a kind of pressing device based on the press fitting of small space according to claim 1, it is characterized in that: the clamping platform (1) vertical the second limit for being provided with connection the first limit hole (35) on, second limit hole (36) is interior to be equipped with the second limit Position part is provided with the second limiting slot (34) with the second limit hole (36) cooperation on first gag lever post (33).
8. a kind of pressing device based on the press fitting of small space according to claim 1, it is characterized in that: the clamping platform (1) at least a claw (11), bracket (12), pivoted arm (21), link arm (22) and swing arm (23), institute is respectively set in opposite two sides The bottom for stating clamping platform (1) is provided with using middle part as the adapting rod (41) of center of rotation, along the opposite side of two sides claw (11) The sliding block (43) of sliding rail (42) is connected to the sliding rail (42) of extension and sliding, the both ends of the adapting rod (41) are respectively articulated with Have first connecting rod (44), the other end of the first connecting rod (44) is provided with articulated shaft (45), the both ends point of articulated shaft (45) It is not rotatablely connected with second connecting rod (46) and sliding block (43), the other end of second connection and swing arm (23) are hinged.
9. a kind of pressing device based on the press fitting of small space according to claim 1, it is characterized in that: the swing arm (23) is L-shaped, the second connecting rod (46) and link arm (22) are connect with L-shaped two ends respectively, and the two of the second connecting rod (46) The coupling part at end is provided with globular hinge head.
10. a kind of pressing device based on the press fitting of small space according to claim 1, it is characterized in that: the claw (11) Separate one end connecting with pivoted arm (21) is provided with perforation (111), is filled in the perforation (111) and on the surface for compressing Protrusion is provided with excellent power glue laminated head.
CN201910069321.XA 2019-01-24 2019-01-24 Closing device based on little space pressure equipment Active CN109605001B (en)

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Application Number Priority Date Filing Date Title
CN201910069321.XA CN109605001B (en) 2019-01-24 2019-01-24 Closing device based on little space pressure equipment

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Application Number Priority Date Filing Date Title
CN201910069321.XA CN109605001B (en) 2019-01-24 2019-01-24 Closing device based on little space pressure equipment

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CN109605001A true CN109605001A (en) 2019-04-12
CN109605001B CN109605001B (en) 2020-04-14

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009072891A (en) * 2007-09-24 2009-04-09 Howa Mach Ltd Clamping device
CN106002357A (en) * 2016-05-26 2016-10-12 苏州卓诚钛设备有限公司 Slim tube punching jig
CN206500820U (en) * 2017-02-22 2017-09-19 安徽江淮汽车集团股份有限公司 The compression positioning assisting tooling of high-precision requirement
CN207057653U (en) * 2017-08-15 2018-03-02 浙江恒威汽车部件有限公司 A kind of aluminium wheels clamp for machining
CN107984988A (en) * 2017-12-27 2018-05-04 重庆长安民生物流股份有限公司 A kind of robot fills tire machine aided pushing device
CN207548274U (en) * 2017-12-10 2018-06-29 无锡特恒科技有限公司 A kind of part pressing device
CN108480828A (en) * 2018-03-16 2018-09-04 江铃汽车股份有限公司 A kind of multi link self-locking expansion power hold-down mechanism
CN108994672A (en) * 2018-08-11 2018-12-14 段遵虎 A kind of aluminium alloy wheel hub automatically grinding goes to pour the working method of ear device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009072891A (en) * 2007-09-24 2009-04-09 Howa Mach Ltd Clamping device
CN106002357A (en) * 2016-05-26 2016-10-12 苏州卓诚钛设备有限公司 Slim tube punching jig
CN206500820U (en) * 2017-02-22 2017-09-19 安徽江淮汽车集团股份有限公司 The compression positioning assisting tooling of high-precision requirement
CN207057653U (en) * 2017-08-15 2018-03-02 浙江恒威汽车部件有限公司 A kind of aluminium wheels clamp for machining
CN207548274U (en) * 2017-12-10 2018-06-29 无锡特恒科技有限公司 A kind of part pressing device
CN107984988A (en) * 2017-12-27 2018-05-04 重庆长安民生物流股份有限公司 A kind of robot fills tire machine aided pushing device
CN108480828A (en) * 2018-03-16 2018-09-04 江铃汽车股份有限公司 A kind of multi link self-locking expansion power hold-down mechanism
CN108994672A (en) * 2018-08-11 2018-12-14 段遵虎 A kind of aluminium alloy wheel hub automatically grinding goes to pour the working method of ear device

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Effective date of registration: 20210610

Address after: 442000 No. 701, unit 3, building 17, No. 43, Dongyue Road, Maojian District, Shiyan City, Hubei Province

Patentee after: Chen Cheli

Address before: 318025 Xinxiu Road, industrial zone, Yuanqiao Town, Huangyan District, Taizhou City, Zhejiang Province

Patentee before: ZHEJIANG HONGBO AUTOMATION Co.,Ltd.