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
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.
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.