CN208758648U

CN208758648U - The double acting clamp chuck of single cylinder air-driven type

Info

Publication number: CN208758648U
Application number: CN201821346964.1U
Authority: CN
Inventors: 俞雪清
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-08-20
Filing date: 2018-08-20
Publication date: 2019-04-19
Anticipated expiration: 2028-08-20

Abstract

The utility model relates to pipe casting clamp technical fields, more particularly to a kind of double acting clamp chuck of single cylinder air-driven type, two pairs of clamping jaws are driven respectively using cylinder piston rod and cylinder barrel, it does not interfere with each other to reach two pairs of clamping jaws and finally clamps workpiece in the same time, four clamping jaws not only synchronize two-by-two, but also are finally simultaneously clamping on, after avoiding first pair of clamping jaw clamping workpiece, second pair of clamping jaw does not have enough dynamics that workpiece is pushed to center, therefore anti-pinch bias energy with higher.

Description

The double acting clamp chuck of single cylinder air-driven type

Technical field

The utility model relates to pipe casting clamp technical field more particularly to a kind of double acting clamp chucks of single cylinder air-driven type.

Background technique

Its principle such as pipe cutter, welded tube mill be all by computer, it is hydraulic work in coordination, hydraulic pressure system is controlled by electric system The oil circuit direction of motion of system pushes planker to make straight line back and forth movement.Micro computer can walk according to the self-editing cutting line of user, In back and forth movement, the signal form the basis detected from planker limit controls and changes the movement of its oil circuit, to reach expected Cutting line.

Because chuck currently on the market in pipe cutting application there are various disadvantages, it is in function or performance and imperfect, can only Say it is to deal with use reluctantly.Such as air-driven type: weight is excessive to cause efficiency to reduce, and drive mechanism is undesirable to lead to clamp precision Not high, cutting dust leads to drive mechanism failure.In another example power type: clamping speed is slow, and motor damage rate is high.So at this In a emerging industry, it is badly in need of the clamp chuck of the low failure of a light-duty-high-precision-high efficiency.

Utility model content

Technical problem to be solved by the utility model is: big in order to solve the above-mentioned weight of chuck in the prior art, precision is low, The technical issues of easy break-down, the utility model provide a kind of double acting clamp chuck of single cylinder air-driven type, utilize ejecting rod of cylinder and cylinder Body drives two pairs of claws respectively, does not interfere with each other to reach two pairs of claws and finally clamps workpiece, four claws in the same time It not only synchronizes, but also is finally simultaneously clamping on two-by-two, after avoiding first pair of jaws clamp, second pair of claw does not have Workpiece is pushed to center, therefore anti-pinch bias energy with higher by enough dynamics.

The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of double acting clamp card of single cylinder air-driven type Disk, including first pair of claw, for grabbing object；Second pair of claw, for grabbing object；Driving part one, the driving portion Part one drives the opening and closure of first pair of claw realization claw；Driving part two, the driving part two drive second pair of card The opening and closure of pawl realization claw；Platform, first pair of claw and second pair of claw, which are arranged on platform, constitutes plane shifting Dynamic auxiliary structure；Apply power when, driving part one move when can force driving part two to one direction of motion of driving part Opposite direction movement, so that first pair of claw and second pair of claw synchronize and opened or be closed, realizes workpiece It unclamps or clamps.The double acting clamp chuck of the utility model single cylinder air-driven type utilizes a driving original part (including driving part one With driving part two) two pairs of claws are driven, to reach two pairs of claws it does not interfere with each other and finally clamps workpiece in the same time, Four claws not only synchronize two-by-two, but also are finally simultaneously clamping on, after avoiding first pair of jaws clamp, second pair Claw does not have enough dynamics that workpiece is pushed to center, therefore anti-pinch bias energy with higher.

Further, include claw one and claw two in first pair of claw, include claw three and card in second pair of claw Pawl four, claw one and claw two are driven the driving of dynamic component one, and claw three and claw four are driven the driving of dynamic component two, so that claw One, claw two, claw three and claw four can synchronize and move to Platform center or move far from Platform center.

Further, in order to guarantee the synchronisms of two pairs of claws, the driving part uses single cylinder, and single cylinder includes Cylinder barrel and piston rod, the driving part one are piston rod, and driving part two is cylinder barrel, and the piston rod and cylinder barrel can be simultaneously Towards or away from movement, the extension end of the piston rod is connected by the first crank link mechanism and first pair of claw, cylinder barrel It is connected by the second crank link mechanism and second pair of claw.

In order to improve the stability to pipe fitting clamping and the thinner pipe fitting of diameter can be clamped, the stretching of piston rod is set The direction that end is stretched out is top, then the top of first pair of claw is in plane one, and the top of second pair of claw is flat In face two, plane one is mutually parallel with plane two-phase but is not overlapped.

It further, further include support member, support member includes annulus, institute in order to support driving original part and claw The upper port for stating annulus is provided with ring cover, and the center of ring cover has piston hole, and the cylinder barrel is arranged in annular sleeve In cylinder, piston rod runs through piston hole, and platform is erected above ring cover by the way that support plate is fixed, the first crank link mechanism with Second crank link mechanism is both supported upon in support plate

For claw slide construction specifically, the platform is in circular plate type, position limiting structure is along platform outer edge to Platform center Through-hole there are four circumferentially uniformly opening up, four through-holes are respectively through-hole one, through-hole two, through-hole three and through-hole four, the card Pawl one, claw two, claw three and claw four are slidably matched with through-hole one, through-hole two, through-hole three and through-hole four reciprocal correspondence respectively. The claw one, claw two, claw three and claw four two sides open up fluted, the groove of each claw two sides and corresponding logical Hole is slidably matched.The claw one and claw two are symmetrical arranged in 180 °, and claw three and claw four are symmetrical arranged in 180 °, claw One and the center line of claw two connect and be mutually perpendicular to the center of claw three and claw four.By above structure, claw is being moved It can be always ensured that in the process symmetrical two-by-two, clamp force distribution is uniform.

Further, link block is installed, the double acting clamp chuck of single cylinder air-driven type further includes on the extension end of the piston rod Crank one and crank two, one end of the crank one and the bottom of claw one are hinged, and the of the other end of crank one and link block One side is hinged, and the middle part of crank one is flexibly connected on the supporting plate by shaft, one end of crank two and the bottom of claw two Hingedly, the other end of crank two and the second side of link block are hinged, and the middle part of crank two is movably connected in support by shaft On plate, first side and second side are oppositely arranged at 180 °.When the rising of piston rod, claw one and claw two-phase are enabled to Unlucky dynamic (opening) when the decline of piston rod, enables to claw one and claw two to move toward one another (clamping).Crank one and crank Two be in tiger's jaw shape, and it is inside to be open.

Further, the double acting clamp chuck of the single cylinder air-driven type further includes crank three, crank four, connecting rod one and connecting rod two, One end of crank three and the bottom of claw three are hinged, and the other end of crank three and one end of connecting rod one are hinged, connecting rod one it is another End is hinged across ring cover and cylinder barrel, and one end of crank four and the bottom of claw four are hinged, the other end and connecting rod two of crank four One end it is hinged, the other end of connecting rod two passes through ring cover and cylinder barrel is hinged.When the rising of piston rod, cylinder barrel is moved downward, energy It is enough so that claw three and four back movement of claw (openings), when the decline of piston rod, enable to claw three and claw four in opposite directions It moves (clamping).The crank three and crank four are in tiger's jaw shape, and outward opening.

For the ease of installation connection, opened up on the ring cover there are two connecting rod through-hole, two connecting rod through-holes are right at 180 ° Claim, connecting rod one and connecting rod two extend through two connecting rod through-holes.

It is connected for the ease of installation, there are two convex blocks for fixed setting on the cylinder barrel, and two convex blocks are symmetrical at 180 °, connecting rod The other end of two other end and connecting rod one is hinged with two convex blocks respectively.

In order to cooperate slide construction and guarantee the stability clamped, the claw one, claw two, claw three and claw four It is square.Although four claws are square, since four claws are circumferentially uniformly distributed, four claws can not only The pipe fitting of clamp rectangular can also clamp the pipe fitting of circular pipe fitting or other shapes.

The surface of the claw one and claw two is fixedly installed with plate one respectively, is more than claw one/card on the inside of plate one The surface of two medial surface of pawl, claw three and claw four is fixedly installed with plate two respectively, is more than three/claw of claw on the inside of plate two Four medial surfaces, one bottom of plate are higher than two surface of plate.One bottom of plate is higher than two surface of plate, therefore clamps in four claws When, plate one and plate two can be staggered, so that plate one and plate two are close as far as possible, it is thinner this makes it possible to clamp Pipe fitting, and each pair of claw is not all interfere with each other in motion process.

The utility model has the beneficial effects that the double acting clamp chuck of the single cylinder air-driven type of the utility model, living using cylinder Stopper rod (mandril) and cylinder barrel (cylinder body) drive two pairs of claws respectively, thus reach two pairs of claws do not interfere with each other and the same time most Workpiece is clamped eventually, and four claws not only synchronize two-by-two, but also are finally simultaneously clamping on, and avoid first pair of claw and clamp work After part, second pair of claw does not have enough dynamics that workpiece is pushed to center, therefore anti-pinch bias energy with higher.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is the structural schematic diagram of the double acting clamp chuck optimum embodiment of the utility model single cylinder air-driven type.

Fig. 2 is the double acting clamp chuck schematic diagram of internal structure of single cylinder air-driven type.

Fig. 3 is the double acting clamp chuck schematic diagram of internal structure of single cylinder air-driven type.

In figure: 1, platform, 101, sliding slot one, 102, sliding slot two, 103, sliding slot three, 104, sliding slot four, 21, annulus, 22, ring cover, 221, piston hole, 222, connecting rod through-hole, 23, support plate, 31, claw one, 32, claw two, 33, claw three, 34, claw four, 35, groove, 36, plate one, 37, plate two, 4, single cylinder, 41, cylinder barrel, 411, convex block, 42, piston rod, 43, link block, 50, shaft, 51, crank one, 52, crank two, 53, crank three, 54, crank four, 55, connecting rod one, 56, connecting rod Two.

Specific embodiment

The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram, Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.

As shown in Figure 1-3, be the utility model optimum embodiment, a kind of double acting clamp chuck of single cylinder air-driven type, including it is flat Platform 1, support member and a driving original part, platform 1 are fixedly installed on the supporting member, and also sliding is provided with two pairs on platform 1 Claw, driving original part have driving part one and driving part two, and the driving of driving part one first realizes that claw is opened to claw It opens and is closed；Driving part two drives the opening and closure of second pair of claw realization claw；Platform, first pair of claw and second pair Claw, which is arranged on platform, constitutes planar movement auxiliary structure；When applying power, driving part one can force driving portion when moving Part two is moved to the direction opposite with one direction of motion of driving part, so that first pair of claw and second pair of same stepping of claw Row opens the release or clamping that perhaps closure realizes workpiece.

Include claw 1 and claw 2 32 in first pair of claw, includes claw 3 33 and claw four in second pair of claw 34, claw 1 and claw 2 32 are driven by a driving part, and claw 3 33 and claw 4 34 are driven by another driving part It is dynamic, so that claw 1, claw 2 32, claw 3 33 can be synchronous to 1 center movement of platform or far from flat with claw 4 34 1 center movement of platform.

One driving original part uses single cylinder 4, and single cylinder 4 includes cylinder barrel 41 and piston rod 42, and driving part one is Piston rod 42, driving part two are cylinder barrel 41, piston rod 42 and cylinder barrel 41 can simultaneously towards or away from movement, piston rod 42 Extension end is connected by the first crank link mechanism and first pair of claw, and cylinder barrel 41 passes through the second crank link mechanism and second It is connected to claw.

Set piston rod 42 extension end stretch out direction as top, then the top of first pair of claw in plane one, In plane two, plane one is mutually parallel with plane two-phase but is not overlapped at the top of second pair of claw.

Support member includes annulus 21, and the upper port of annulus 21 is provided with ring cover 22, in ring cover 22 The heart has piston hole 221, and cylinder barrel 41 is arranged in annulus 21, and piston rod 42 runs through piston hole 221, and platform 1 passes through Support plate 23 is fixed to be erected at 22 top of ring cover.First crank link mechanism and the second crank link mechanism are both supported upon support On plate 23.

Platform 1 is in circular plate type, and there are four sliding circumferentially uniformly to open up along 1 outer edge of platform to 1 center of platform for position limiting structure Slot, four sliding slots are respectively sliding slot 1, sliding slot 2 102, sliding slot 3 103 and sliding slot 4 104, claw 1, claw 2 32, Claw 3 33 and claw 4 34 are corresponded to each other with sliding slot 1, sliding slot 2 102, sliding slot 3 103 and sliding slot 4 104 respectively to be slided Cooperation.Claw 1, claw 2 32, claw 3 33 and claw 4 34 two sides open up fluted 35, each claw two sides Groove 35 and corresponding sliding slot are slidably matched.Claw 1 and claw 2 32 are symmetrical arranged in 180 °, claw 3 33 and claw 4 34 It is symmetrical arranged in 180 °, the center line of claw 1 and claw 2 32 is connect with the center of claw 3 33 and claw 4 34 mutually to hang down Directly.Claw 1, claw 2 32, claw 3 33 and claw 4 34 are square.The surface of claw 1 and claw 2 32 difference It is fixedly installed with plate 1, one 36 inside of plate is more than one 31/ claw of claw, 2 32 medial surface, claw 3 33 and claw 4 34 Surface be fixedly installed with plate 2 37 respectively, 2 37 inside of plate is more than 3 33/ claw of claw, 4 34 medial surface, plate 1 Bottom is higher than 2 37 surface of plate.For the ease of installation, plate 1 and 2 37 bottom of plate are also provided with raised line, raised line and The direction of motion of one 36/ plate 2 37 of corresponding plate is perpendicular, claw 1, claw 2 32, claw 3 33 and claw 4 34 Surface on be provided with claw groove, raised line and claw groove are slidably matched, plate 1 and plate 2 37 can be limited, Rapid alignment installation.

Link block 43 is installed, the double acting clamp chuck of single cylinder air-driven type further includes crank 1 on the extension end of piston rod 42 With crank 2 52, one end of crank 1 and the bottom of claw 1 are hinged, and the of the other end of crank 1 and link block 43 One side is hinged, and the middle part of crank 1 is movably connected in support plate 23 by shaft 50, one end of crank 2 52 and claw 2 32 bottom is hinged, and the other end of crank 2 52 and the second side of link block 43 are hinged, and the middle part of crank 2 52 is by turning Axis 50 is movably connected in support plate 23, and first side and second side are oppositely arranged at 180 °.Crank 1 and crank 2 52 It is in tiger's jaw shape, and it is inside to be open.

The double acting clamp chuck of single cylinder air-driven type further includes crank 3 53, crank 4 54, connecting rod 1 and connecting rod 2 56, crank 3 53 one end and the bottom of claw 3 33 are hinged, and the other end of crank 3 53 and one end of connecting rod 1 are hinged, connecting rod 1 The other end pass through that ring cover 22 and cylinder barrel 41 are hinged, and one end of crank 4 54 and the bottom of claw 4 34 are hinged, crank 4 54 The other end and connecting rod 2 56 one end it is hinged, the other end of connecting rod 2 56 passes through ring cover 22 and cylinder barrel 41 is hinged.Crank three 53 and crank 4 54 be in tiger's jaw shape, and outward opening.

Connecting rod through-hole 222 there are two opening up on ring cover 22, two connecting rod through-holes 222 are symmetrical at 180 °, one 55 He of connecting rod Connecting rod 2 56 extends through two connecting rod through-holes 222.

There are two convex blocks 411 for fixed setting on cylinder barrel 41, and two convex blocks 411 are symmetrical at 180 °, the other end of connecting rod 2 56 It is hinged with two convex blocks 411 respectively with the other end of connecting rod 1.

Working principle: for the driving original part that the utility model uses for single cylinder 4, single cylinder 4 is common cylinder, is led to After gas, piston driving piston rod 42 acts on one pair of them claw and moves, cylinder barrel 41 then under gas pressure in the opposite direction Movement, so that another pair claw moves, single cylinder 4 is exactly common cylinder, and general cylinder barrel 41 is to fix it, So only piston rod 42 moves, the cylinder barrel 41 of the single cylinder 4 of the utility model be it is unfixed, it is hanging.

When piston rod 42 declines, link block 43 is driven to rise, crank 1 and crank 2 52 drive one 31 He of claw respectively Claw 2 32, claw 1 and claw 2 32 are moved toward one another and (are drawn close)；Cylinder barrel 41 moves upwards simultaneously, crank 3 53 and crank four 54 drive claw 3 33 and claw 4 34 respectively, and claw 3 33 and claw 4 34 is enabled to move toward one another and (draw close), thus real Show the workpiece of claw 1,1 center of claw 2 32, claw 3 33 and 4 34 synchronous clamping platform of claw.When piston rod 42 rises, Claw 1 and 2 32 back movement of claw (opening) are enabled to, cylinder barrel 41 moves downward, so that claw 3 33 and claw four 34 back movements (opening).

It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims Property range.

Claims

1. a kind of double acting clamp chuck of single cylinder air-driven type, including

First pair of claw, for grabbing object；

Second pair of claw, for grabbing object；

Driving part one, the driving part one drive the opening and closure of first pair of claw realization claw；

Driving part two, the driving part two drive the opening and closure of second pair of claw realization claw；

Platform (1), first pair of claw and second pair of claw, which are arranged on platform, constitutes planar movement auxiliary structure；

It is characterized by: driving part one can force driving part two to be transported to driving part one when applying power when moving Contrary direction movement is moved to realize so that first pair of claw and second pair of claw synchronize and opened or be closed The release or clamping of workpiece.

2. the double acting clamp chuck of single cylinder air-driven type as described in claim 1, it is characterised in that: include in first pair of claw Claw one (31) and claw two (32), include claw three (33) and claw four (34) in second pair of claw, claw one (31) and are blocked Pawl two (32) is driven the driving of dynamic component one, and claw three (33) and claw four (34) are driven the driving of dynamic component two, so that claw one (31), claw two (32), claw three (33) and claw four (34) can be synchronous to platform (1) center movement or far from platform (1) center movement.

3. the double acting clamp chuck of single cylinder air-driven type as claimed in claim 2, it is characterised in that: driving part uses single cylinder (4), single cylinder (4) includes cylinder barrel (41) and piston rod (42), and the driving part one is piston rod (42), driving part two For cylinder barrel (41), the piston rod (42) and cylinder barrel (41) can be simultaneously towards or away from movements, and piston rod (42) are stretched Outlet is connected by the first crank link mechanism and first pair of claw, and cylinder barrel (41) passes through the second crank link mechanism and second It is connected to claw.

4. the double acting clamp chuck of single cylinder air-driven type as claimed in claim 2, it is characterised in that: the stretching of setting piston rod (42) The direction that end is stretched out is top, then the top of first pair of claw is in plane one, and the top of second pair of claw is flat In face two, plane one is mutually parallel with plane two-phase but is not overlapped.

5. the double acting clamp chuck of single cylinder air-driven type as claimed in claim 3, it is characterised in that: it further include support member, support Component includes annulus (21), and the upper port of the annulus (21) is provided with ring cover (22), in ring cover (22) The heart has piston hole (221), and in annulus (21), piston rod (42) runs through piston hole for cylinder barrel (41) setting (221), platform (1) is erected above ring cover (22) by the way that support plate (23) are fixed, the first crank link mechanism and the second song Handle link mechanism is both supported upon on support plate (23).

6. the double acting clamp chuck of single cylinder air-driven type as claimed in claim 5, it is characterised in that: the platform (1) is in circular plate type, Position limiting structure is circumferentially uniformly to open up to platform (1) center there are four sliding slot along platform (1) outer edge, and four sliding slots are distinguished For sliding slot one (101), sliding slot two (102), sliding slot three (103) and sliding slot four (104), the claw one (31), claw two (32), Claw three (33) and claw four (34) respectively with sliding slot one (101), sliding slot two (102), sliding slot three (103) and sliding slot four (104) Reciprocal correspondence is slidably matched.

7. the double acting clamp chuck of single cylinder air-driven type as claimed in claim 6, it is characterised in that: the claw one (31), claw The two sides of two (32), claw three (33) and claw four (34) open up fluted (35), the groove (35) of each claw two sides and Corresponding sliding slot is slidably matched.

8. the double acting clamp chuck of single cylinder air-driven type as claimed in claim 6, it is characterised in that: the claw one (31) and claw Two (32) are symmetrical arranged in 180 °, and claw three (33) and claw four (34) are symmetrical arranged in 180 °, claw one (31) and claw two (32) center line connect with the center of claw three (33) and claw four (34) and is mutually perpendicular to.

9. the double acting clamp chuck of single cylinder air-driven type as claimed in claim 6, it is characterised in that: the stretching of the piston rod (42) It is equipped on end link block (43), the double acting clamp chuck of single cylinder air-driven type further includes crank one (51) and crank two (52), described One end of crank one (51) and the bottom of claw one (31) are hinged, the first side of the other end and link block (43) of crank one (51) Face is hinged, and the middle part of crank one (51) is movably connected on support plate (23) by shaft (50), one end of crank two (52) and The bottom of claw two (32) is hinged, and the second side of the other end and link block (43) of crank two (52) is hinged, crank two (52) Middle part be movably connected on support plate (23) by shaft (50), first side and second side are oppositely arranged at 180 °.

10. the double acting clamp chuck of single cylinder air-driven type as claimed in claim 9, it is characterised in that: the crank one (51) and song Handle two (52) is in tiger's jaw shape, and it is inside to be open.

11. the double acting clamp chuck of single cylinder air-driven type as claimed in claim 6, it is characterised in that: the single cylinder air-driven type is double acting Clamp chuck further includes crank three (53), crank four (54), connecting rod one (55) and connecting rod two (56), one end of crank three (53) and The bottom of claw three (33) is hinged, and the other end of crank three (53) and one end of connecting rod one (55) are hinged, connecting rod one (55) it is another One end passes through ring cover (22) and cylinder barrel (41) hingedly, and one end of crank four (54) and the bottom of claw four (34) are hinged, crank The other end of four (54) and one end of connecting rod two (56) are hinged, and the other end of connecting rod two (56) passes through ring cover (22) and cylinder barrel (41) hinged.

12. the double acting clamp chuck of single cylinder air-driven type as claimed in claim 11, it is characterised in that: the crank three (53) and song Handle four (54) is in tiger's jaw shape, and outward opening.

13. the double acting clamp chuck of single cylinder air-driven type as claimed in claim 11, it is characterised in that: opened on the ring cover (22) If two connecting rod through-holes (222) are symmetrical at 180 ° there are two connecting rod through-hole (222), connecting rod one (55) and connecting rod two (56) are respectively Through two connecting rod through-holes (222).

14. the double acting clamp chuck of single cylinder air-driven type as claimed in claim 11, it is characterised in that: fixed on the cylinder barrel (41) There are two convex block (411), two convex blocks (411) are symmetrical at 180 ° for setting, the other end of connecting rod two (56) and connecting rod one (55) The other end is hinged with two convex blocks (411) respectively.

15. the double acting clamp chuck of single cylinder air-driven type as described in claim 1, it is characterised in that: the claw one (31), claw Two (32), claw three (33) and claw four (34) are square.

16. the double acting clamp chuck of single cylinder air-driven type as described in claim 1, it is characterised in that: the claw one (31) and card The surface of pawl two (32) is fixedly installed with plate one (36) respectively, is more than claw one (31)/claw two on the inside of plate one (36) (32) surface of medial surface, claw three (33) and claw four (34) is fixedly installed with plate two (37) respectively, and plate two (37) is interior Side is more than claw three (33)/claw four (34) medial surface, and plate one (36) bottom is higher than plate two (37) surface.