CN106181500B - Air-actuated jaw - Google Patents
Air-actuated jaw Download PDFInfo
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- CN106181500B CN106181500B CN201610736902.0A CN201610736902A CN106181500B CN 106181500 B CN106181500 B CN 106181500B CN 201610736902 A CN201610736902 A CN 201610736902A CN 106181500 B CN106181500 B CN 106181500B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
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Abstract
A kind of air-actuated jaw, it includes front air cylinder, front air cylinder push rod, threaded, preceding centering block, threaded, arm-tie, sliding block, jacking block, base, cover plate, pull bar, pulling block, locating piece.Centering block and arm-tie travel forward before front air cylinder drives front air cylinder push rod and then promoted, preceding centering block promotes sliding block and jacking block to travel forward, sliding block forces pull bar to left movement, jacking block promotes pulling block to travel forward, when pulling block front end face starts to surmount workpiece front end clamping face, pull bar pull pulling block until left side be bonded with the right side of workpiece, realize on the right side of clamping.Now jacking block also withstands workpiece front end face, by a cylinder, Bidirectional clamping, then adds a lower cylinder, is pushed up upwards under workpiece to clamp workpiece.Advantages of the present invention：Small volume, the clamping in three directions is completed by two cylinders, effectively reduces number of cylinders, improve same equipment work-piece clamping quantity, simplified production process, raise labour productivity, reduce production cost.
Description
Technical field
The present invention relates to fixture industry, especially belongs to pneumatic.
Background technology
In recent years, Digit Control Machine Tool, machining center, group technology, flexible manufacturing system,（FMS）Etc. answering for new process technology
With proposing following new requirement to jig：Can quickly and easily service new product operation, to shorten Operational preparation
In the cycle, reduce production cost；Can one group of workpiece with similarity feature of clamping；It can be suitably used for precision machined high precision machine tool
Fixture；It can be suitably used for the Novel jig of various modernization manufacturing technologies；Use the efficient folder for power source with hydraulic station etc.
Tight device, further reduces labor intensity and raises labour productivity；Improve the standardization level of jig.Enter 20 abroad
For many years, it is rapid about pneumatic industry development.The output value of the seventies, hydraulic pressure and pneumatic element is than 9:1, and the present after 20 years
My god, America and Europe, Japan and other countries in industry prosperity, the ratio have reached 6:4.The price of air-actuated jaw is lower than the fixture of hydraulic pressure
It is more, it is believed that pneumatic industry must exceed hydraulic pressure in the near future.So air-actuated jaw also can be slowly turn into main flow.Japan
SMC, Germany FESTO, the NORGREN of Britain and the PARKER in the U.S. be all well-known startup industry and enterprise.With society
Development, fixture is the indispensable part of machining, in machine tool technology to high speed, efficient, accurate, compound, intelligence, environmental protection
Under the drive that direction is developed, clamp technology just develops towards high-precision, efficient, module, combination, general, economic direction.Simultaneously with adding
The result of the manufacturing Developing High-speed cutting of work, is greatly shortened, labor productivity improves flexible working hours；Popularization air-actuated jaw is must
Want, air-actuated jaw is easy to operate, can greatly reduce labor intensity；Pneumatic reaction speed is fast, thus shortens auxiliary in producing
Time, improve productivity ratio；Air-actuated jaw is easily fabricated to the less demanding of pneumatic element, while air-actuated jaw is easy to modernize
Manufacture.
The content of the invention
The purpose of the present invention it is to develop air-actuated jaw, designs two-way pneumatic fixture, a cylinder is passed through connection
Motivation structure realizes that the clamping of both direction is realized in the motion of clamp system three degree of freedom, so that workpiece positions completely, meets
Processing request.
Using two cylinders, one of clamping force provided from bottom to top, while another cylinder passes through an associating
Motivation structure realizes the clamping to workpiece front end and right flank.
Mentality of designing and technical scheme are as follows used by its technical problem of present invention solution：A kind of air-actuated jaw, it will
Point is that it includes front air cylinder（6）, front air cylinder push rod（7）, threaded（8）, preceding centering block（9）, threaded（10）, arm-tie（11）、
Sliding block（12）, jacking block（13）, base（14）, cover plate（15）, pull bar（16）, pulling block（17）, locating piece（2）, front air cylinder push rod（7）
With front air cylinder（6）Connection, front air cylinder（6）Drive front air cylinder push rod（7）Realize elastic, front air cylinder push rod（7）Middle part tool
There is open slot（7-1）, preceding centering block（9）Installed in front air cylinder push rod（7）Open slot（7-1）It is central, use threaded（8）By rear
Pin-and-hole（7-2）And long slot bore（9-1）Connect, now preceding centering block（9）Possesses certain amount of swinging, in open slot（7-1）In
It is further fixed on an arm-tie（11）, positioned at preceding centering block（9）Front, use threaded（10）Through connecting hole（7-3）With arm-tie hole
（11-1）It is fixed on open slot（7-1）In, preceding centering block（9）For clamping, arm-tie（11）For unclamping, base（14）Positioned at preceding gas
Cylinder push rod（7）Front, base（14）On be designed with pull bar groove（14-1）, pulling block groove（14-2）, locating piece groove（14-
3）, pull bar（16）Installed in pull bar groove（14-1）In, pulling block groove（14-2）For getting out of the way jacking block（13）, locating piece is installed on
Locating piece groove（14-3）In, locating piece（2）For "U" shaped, base is locked in screw（14）On, workpiece is put into locating piece（2）
U-type groove（2-1）In, the opening direction on the right side of workpiece is the reference plane of workpiece second where the machined surface of workpiece（1-2）With positioning
Block（2）Lower plane（2-2）The positioning of above-below direction, locating piece are realized in fitting（2）Front side top be designed with and get out of the way jacking block
（13）Resigning breach（2-3）, jacking block（13）Installed in cover plate（15）Jacking block groove（15-2）In, it is designed with side and arm-tie
（11）The jacking block breach being engaged（13-1）, floor design has jacking block inserting slot（13-2）, pulling block（17）It is fastened in jacking block inserting slot
（13-2）On, jacking block（13）Jacking block breach（13-1）It is stuck in arm-tie（11）On, the other end is from locating piece（2）Resigning breach
（2-3）In pass through, pulling block（17）At right angles, pulling block（17）Left side have pulling block inclined-plane（17-1）, with cover plate（15）Force oblique
Face（15-3）It is engaged, pulling block left side（17-3）For the face of workpiece pressing, pulling block right side（17-2）For with pull bar（16）'s
Mating surface, sliding block（12）Installed in cover plate（15）Slide block slot（15-1）In, sliding block（12）For cuboid, be designed with side with
Arm-tie（11）The sliding block breach being engaged（12-2）, floor design has skewed slot（12-1）, pull bar（16）For the hook-shaped of bending, pull bar
（16）On have and skewed slot（12-1）The pull bar being engaged is raised（16-2）, sliding block（12）Sliding block breach（12-2）It is stuck in arm-tie
（11）On, the other end passes through skewed slot（12-1）With pull bar（16）Connect, pull bar（16）The working face of bending（16-1）With pulling block
Right side（17-2）It is engaged, compresses pulling block from right to left（17）And then force pulling block（17）Workpiece pressing right flank, cover plate
（15）It is pressed in sliding block（12）And jacking block（13）Top, cover plate（15）Have and sliding block（12）The slide block slot of cooperation（15-1）, with top
Block（13）The jacking block groove of cooperation（15-2）, in jacking block groove（15-2）Side on have pressure inclined-plane（15-3）, preceding centering block（9）A left side
There are two arc convex on the right side（9-2）, two arc convex（9-2）Sliding block is promoted respectively（12）And jacking block（13）Travel forward, it is sliding
Block（12）In forward movement, its skewed slot（12-1）By with pull bar（16）Pull bar it is raised（16-2）Cooperate, compel
Make pull bar（16）In base（14）Pull bar groove（14-1）It is interior to left movement, and jacking block（13）It is pushed up in forward movement
Block inserting slot（13-2）With pulling block（17）Coordinate and promote pulling block（17）Travel forward, pulling block（17）Its pulling block inclined-plane during firm setting in motion
（17-1）Not yet move to cover plate and force inclined-plane（15-3）, now pulling block left side（17-3）With workpiece right side in cover plate（15）
Limitation under remain certain gap, treat pulling block（17）Its front end face is moved forward to start to surmount workpiece front end clamping face
When, pulling block（17）Pulling block inclined-plane（17-1）Start to ride over cover plate and force inclined-plane（15-3）, now pulling block left side（17-3）Tool
Standby and workpiece（1）The activity space of its right end face fitting, and pull bar（16）Due in sliding block（12）Drive under constantly transport to the left
Move, now pull bar（16）Working face（16-1）Start and pulling block right side（17-2）Fitting, pull pulling block（17）Force to
Left movement, until pulling block left side（17-3）With workpiece（1）Right side fitting, realize to workpiece（1）Direction from right to left
Clamp, now jacking block（13）Also workpiece front end face is withstood to move its front end in place, and the processing of the tolerance of workpiece and each workpiece
Error ensures that both direction simultaneously clamps on workpiece by the influence to swing to have eliminated to clamping of preceding centering block, by above-mentioned
The three degree of freedom of mechanism is moved to realize the clamping to workpiece in both directions.
Also there is a lower cylinder, pushed up upwards from the lower section of workpiece by middle force transmission mechanism, make the second benchmark of workpiece
Face is bonded with the lower plane of locating piece, and cylinder is realized by lower cylinder push rod to be stretched up and down, passes through spiral shell in lower cylinder push rod upper end
One centering block of line pin connection, by the lower plane of centering block upper end arc convex top workpiece, so because the automatic capturing of centering block is made
With, it can be ensured that the reference plane of workpiece can be bonded completely with locating piece lower surface, pass through middle power transmission machine using two cylinders
Structure realizes the clamping to three directions of workpiece.
There is a locating piece groove base left and right ends respectively, can install two workpiece simultaneously.
Advantages of the present invention：Small volume, the clamping in three directions is completed by two cylinders, effectively reduces number of cylinders
Amount, same equipment work-piece clamping quantity is improved, simplify production process, raise labour productivity, reduce production cost.
Brief description of the drawings
Fig. 1 is the workpiece blank figure that this fixture can be used to process
Fig. 2 is the schematic diagram that workpiece is mounted in locating piece
Fig. 3 is the structural representation of locating piece
Fig. 4 is Fig. 3 upward view
Fig. 5 is the schematic diagram of front end clamp system
Fig. 6 is that front end clamp system removes the schematic diagram after cover plate 15
Fig. 7 is the structural representation of front air cylinder push rod
Fig. 8 is the structural representation of preceding centering block
Fig. 9 is the structural representation of arm-tie
Figure 10 is the structural representation of sliding block
Figure 11 is the structural representation of jacking block
Figure 12 is the structural representation of base
Figure 13 is the structural representation of cover plate
Figure 14 is the structural representation of pull bar
Figure 15 is the structural representation of pulling block
Figure 16 is the schematic diagram of lower end clamp system
Figure 17 is the structural representation of centering block 3
Figure 18 is use state figure of the present invention on GX710 CNC machine center with three axes
Wherein：The lower plane 2 of 1 workpiece 1-1 the first reference plane 1-2 the second reference plane 1-3 working position 1-4 workpiece positions
The centering block of lower plane 2-3 resigning breach 2-11 U-lags left side 2-12 U-lags rear end face 3 of block 2-1U shape groove 2-2 locating pieces
Pin-and-hole 7-3 after the front air cylinder push rod 7-1 open slots 7-2 of 3-1 centering blocks upper end 6 front air cylinder of arc convex 4 lower cylinder push rod, 5 lower cylinder 7
10 threaded of centering block 9-1 long slot bore 9-2 arc convex 11,12 sliding block 12-1 of arm-tie 11-1 arm-ties hole are oblique before the threaded 9 of connecting hole 8
The base 14-1 pull bar groove 14-2 pulling block grooves of 13 jacking block 13-1 jacking block breach 13-2 jacking blocks inserting slot of groove 12-2 sliding blocks breach 14
The cover plate 15-1 slide block slot 15-2 jacking block groove 15-3 cover plates of 14-3 locating pieces groove 15 force the pull bar 16-1 working faces 16- of inclined-plane 16
2 pull bars projection, 17 pulling block 17-1 pulling blocks inclined-plane 17-2 pulling blocks right side 17-3 pulling blocks left sides.
Embodiment
The present invention is described in detail with reference to view, cited embodiment can make this professional technology people
Member more understands the present invention, but the invention is not limited in any way.
As shown in figures 1-15, the fixture designed by the present invention is primarily directed to a set of link gear of needs as shown in Figure 1
To realize the motion of both direction, three degree of freedom, the clamping to workpiece in both directions is realized, the work pieces process of this type makes
With.
For the workpiece blank figure that this fixture is positioned as shown in figure 1,1 is the workpieces processing, wherein 1-1 and 1-2 are respectively
First, the second reference plane, it is the size datum of the short transverse related to working position and horizontal direction in workpiece product figure, and presss from both sides
Tool design requirement design basis, technological datum, positioning datum should be unified as far as possible, therefore we are by the in the work pieces process technique
First, the second reference plane 1-1 and 1-2 is positioning datum, and product figure relative dimensions can be effectively ensured after such Product processing.
And 1-3 is working position.
The lathe for processing the selection of this workpiece is GX710 CNC machine center with three axes.Added by the lathe requirement selected and workpiece
The objective factors such as Ministry of worker position, positioning reference plane, at the same it is reliable to ensure to position in design fixture, it is desirable to and fixture position point is use up
May be fixture to ensure that accurate positioning is reliable, this requires our workpiece to be inserted from locating piece U-type groove opening direction
Enter in fixture and complete to clamp.And positioning completely is required in jig Design, for the workpiece, we are in design using in the past
End, lower end and three, right side direction simultaneously clamp on, and such workpiece six-freedom degree is all restrained and positions and owe positioning without crossing
The appearance of phenomenon.Straight shank end mill is selected in processing, milling requirement can be met.
The workpiece locating surface is first, second reference plane 1-1 and 1-2.According to actual processing request, needed when the workpiece positions
Limit six-freedom degree.When drafting targeting scheme, still need to analyze it and studied, can the selection that investigate positioning datum
Meet the requirement of location of workpiece precision, can the structure of fixture be realized.Therefore locating piece is a workpiece being fixed on fixture, with work
Part left surface and former and later two small stair faces are bonded, while workpiece two sides and the U-lag 2-1 of locating piece 2 coordinate for gap, really
Fixture can smoothly be inserted from side by protecting workpiece.The location drawing that workpiece is fitted into locating piece is as shown in Fig. 2 the shape graph of locating piece 2
As shown in Figure 3,4.
From Fig. 2-4, workpiece 1 loads after locating piece 2 by the lower surface 2-2 of locating piece 2 and the second reference plane 1- of workpiece 1
2 fittings, the U-lag left side 2-11 of locating piece 2 is bonded with side surface of workpiece, locating piece 2U shapes groove rear end face 2-12 and workpiece 1 the
One reference plane 1-1 is bonded, and the positioning datum and design basis of such workpiece are completely the same.
In addition to front end face needs directly by jacking block fore-set workpiece front end face, positioned in left side because workpiece will insert from left side
Block groove, thus when clamping on the left of mechanism to realize forward and the motion of both direction to the right, and need to realize to the left when unclamping
The motion of both direction backward.Therefore a set of link gear is devised to realize the motion of both direction, three degree of freedom, realize
Clamping to workpiece front end face and left surface.Due to realizing the clamping to two end faces of workpiece by a cylinder, power is added
Direction, to ensure to have sufficiently large clamping force, front air cylinder 6 we from the cylinder that cylinder diameter is 100.
A kind of air-actuated jaw, it includes front air cylinder 6, front air cylinder push rod 7, threaded 8, preceding centering block 9, threaded 10, arm-tie
11st, sliding block 12, jacking block 13, base 14, cover plate 15, pull bar 16, pulling block 17, locating piece 2, front air cylinder push rod 7 connect with front air cylinder 6
Connect, it is elastic that front air cylinder 6 drives front air cylinder push rod 7 to realize, the middle part of front air cylinder push rod 7 has open slot 7-1, preceding centering block 9
Among the open slot 7-1 of front air cylinder push rod 7, connected with threaded 8 by rear pin-and-hole 7-2 with long slot bore 9-1, now before
Centering block 9 possesses certain amount of swinging, and an arm-tie 11 is further fixed in open slot 7-1, positioned at the preceding front of centering block 9, uses
Threaded 10 is fixed in open slot 7-1 through connecting hole 7-3 and arm-tie hole 11-1, and preceding centering block 9 is used to clamp, and arm-tie 11 is used for
Unclamp, base 14 is located at the front of front air cylinder push rod 7, and pull bar groove 14-1, pulling block groove 14-2, positioning are designed with base 14
Block groove 14-3, pull bar 16 are arranged in pull bar groove 14-1, and pulling block groove 14-2 is used to get out of the way jacking block 13, and locating piece is installed on
In locating piece groove 14-3, locating piece 2 is "U" shaped, is locked in screw on base 14, and workpiece is put into the U-type groove 2- of locating piece 2
In 1, the opening direction on the right side of workpiece is workpiece the second reference plane 1-2 and locating piece 2 lower plane 2- where the machined surface of workpiece
The positioning of above-below direction is realized in 2 fittings, and the front side top of locating piece 2 is designed with the resigning breach 2-3 for getting out of the way jacking block 13, jacking block 13
In the jacking block groove 15-2 of cover plate 15, the jacking block breach 13-1 being engaged with arm-tie 11, floor design are designed with side
There is jacking block inserting slot 13-2, pulling block 17 is fastened on jacking block inserting slot 13-2, and the jacking block breach 13-1 of jacking block 13 is stuck on arm-tie 11, separately
One end passes through from the resigning breach 2-3 of locating piece 2, and pulling block 17 is rectangular, and there is pulling block inclined-plane 17-1 the left side of pulling block 17, with
Cover plate 15 forces inclined-plane 15-3 to be engaged, and pulling block left side 17-3 is the face of workpiece pressing, and pulling block right side 17-2 is and pull bar
16 mating surface, sliding block 12 are arranged in the slide block slot 15-1 of cover plate 15, and sliding block 12 is cuboid, is designed with side and arm-tie
The 11 sliding block breach 12-2 being engaged, floor design have a skewed slot 12-1, and pull bar 16 is hook-shaped for bending, have on pull bar 16 and skewed slot
The pull bar projection 16-2 that 12-1 is engaged, the sliding block breach 12-2 of sliding block 12 are stuck on arm-tie 11, and the other end passes through skewed slot 12-1
Connect with pull bar 16, the working face 16-1 that pull bar 16 is bent is engaged with pulling block right side 17-2, compresses pulling block from right to left
17 and then the workpiece pressing right flank of pulling block 17 is forced, cover plate 15 is pressed in the top of sliding block 12 and jacking block 13, and cover plate 15 has and sliding block
The 12 slide block slot 15-1 coordinated, the jacking block groove 15-2 coordinated with jacking block 13, have on jacking block groove 15-2 side and force inclined-plane 15-
3, the left and right of preceding centering block 9 has two arc convex 9-2, two arc convex 9-2 to promote sliding block 12 and jacking block 13 to transport forward respectively
Dynamic, for sliding block 12 in forward movement, its skewed slot 12-1 forces drawing by being cooperated with the pull bar projection 16-2 of pull bar 16
Bar 16 in the pull bar groove 14-1 of base 14 to left movement, and jacking block 13 in forward movement its jacking block inserting slot 13-2 with
Pulling block 17, which coordinates, promotes pulling block 17 to travel forward, and it is strong not yet to move to cover plate by its pulling block inclined-plane 17-1 during 17 firm setting in motion of pulling block
Inclined-plane 15-3 processed, now pulling block left side 17-3 and workpiece right side certain gap is remained under the limitation of cover plate 15,
When pulling block 17 moves forward to its front end face and starts to surmount workpiece front end clamping face, the pulling block inclined-plane 17-1 of pulling block 17 starts to get over
Cross cover plate and force inclined-plane 15-3, now pulling block left side 17-3 possesses the activity space with the fitting of its right end face of workpiece 1, and pull bar
1 because, constantly to left movement, now the working face 16-1 of pull bar 16 starts and pulling block right side 17- under the drive of sliding block 12
2 fittings, pull pulling block 17 to force to left movement, until pulling block left side 17-3 is bonded with the right side of workpiece 1, realize to workpiece
The clamping in 1 direction from right to left, now jacking block 13 also withstand workpiece front end face to move its front end in place, and the tolerance of workpiece and
The mismachining tolerance of each workpiece ensures that both direction simultaneously clamps on by the influence to swing to have eliminated to clamping of preceding centering block
Workpiece, the clamping to workpiece in both directions is realized by the motion of the three degree of freedom of said mechanism.
The motion process that the present invention is discussed in detail is as follows：
1st, clamping process is：Front air cylinder 6 promotes front air cylinder push rod 7 to travel forward.Preceding centering block 9 is placed on front air cylinder push rod 7
Among open slot 7-1, connected with threaded 8.The rear end arcwall face of centering block 9 before front air cylinder push rod 7 promotes, the left and right of preceding centering block 9 has
Two arc convex 9-2 promote sliding block 12 and jacking block 13 to travel forward respectively, and sliding block 12 is in forward movement, its skewed slot
12-1 by with the pull bar projection 16-2 of pull bar 16 mutual cooperation, force pull bar 16 in the pull bar groove 14-1 of base 14 to the left
Motion, and its jacking block inserting slot 13-2 in forward movement of jacking block 13 coordinates promotion pulling block 17 to travel forward with pulling block 17, draws
During 17 firm setting in motion of block its pulling block inclined-plane 17-1 not yet move to cover plate force inclined-plane 15-3, now pulling block left side 17-3 with
Workpiece right side remains certain gap under the limitation of cover plate 15, treats that pulling block 17 moves forward to its front end face and starts to surpass
When more workpiece front end clamps face, the pulling block inclined-plane 17-1 of pulling block 17, which starts to ride over cover plate, forces inclined-plane 15-3, now pulling block left end
Face 17-3 possess with its right end face of workpiece 1 fitting activity space, and pull bar 16 due under the drive of sliding block 12 constantly to the left
Motion, now the working face 16-1 of pull bar 16 starts to be bonded with pulling block right side 17-2, pulls pulling block 17 to force to left movement,
Until pulling block left side 17-3 is bonded with the right side of workpiece 1, the clamping to the direction from right to left of workpiece 1 is realized.Now jacking block
13 also withstand workpiece front end face to move its front end in place.And the left side that the tolerance of workpiece and the mismachining tolerance of each workpiece pass through centering block
Right swing ensures that both direction simultaneously clamps on workpiece come the influence eliminated to clamping.Pass through the three degree of freedom of said mechanism
Move to realize the clamping to workpiece in both directions.
2nd, release process is：In the presence of front air cylinder 6, front air cylinder push rod 7 moves backward.Before being placed on due to arm-tie 11
Connected among the open slot 7-1 of ejecting rod of cylinder 7 by connecting hole 7-3 threadeds 10.Front air cylinder pull bar 7 drives when moving backward
Arm-tie 11 moves backward, and arm-tie 11 coordinates drawing by the jacking block breach 13-1 of sliding block breach 12-2 and jacking block 13 with sliding block 12
Movable slider 12 and jacking block 13 move backward, and now jacking block 13 has unclamped workpiece 1, and because sliding block 12 moves backward, pass through skewed slot
12-1 drives pull bar 16 to move right, and now pull bar 16 unclamps pulling block 17, so that pulling block 17 no longer applies from dextrad to workpiece
Left clamping force.Due to the motion backward of jacking block 13, in the presence of jacking block inserting slot 13-2 drive pulling block 17 move backward so that
Workpiece 1 is taken out from right-hand member and load new unprocessed workpiece 1.After pulling block 17 moves a small distance backward, pulling block
Inclined-plane 17-1 forces to move right under inclined-plane 15-3 positive action in cover plate, forces the pulling block left side 17-3 and work of pulling block 17
The right side of part 1 keeps the gap of appropriate left and right directions, and now the right side 17-2 and pull bar 16 of pulling block 17 work are put down
Certain activity space is kept between the 16-1 of face, whole mechanism will not locking.
By above procedure, the clamping and release to workpiece 1 are completed, meets actual processing demand.
As shown in Figure 16,17, in addition to the fixation in above-mentioned two direction, the present invention also needs to the clamping force of a Z-direction,
Therefore also there is a lower cylinder 5, is pushed up upwards from the lower section of workpiece 1 by middle force transmission mechanism, make the second reference plane of workpiece 1
1-2 is bonded with the lower plane 2-2 of locating piece, and lower cylinder is realized by lower cylinder push rod 4 to be stretched up and down, in lower cylinder push rod upper end
By one centering block 3 of screw thread pin connection, by the lower plane 1-4 of centering block upper end arc convex 3-1 tops workpiece, so due to centering block
3 automatic capturing effect, it can be ensured that the second reference plane 1-2 of workpiece 1 can be bonded completely with the lower surface 2-2 of locating piece 2, be adopted
Pass through clamping of the middle force transmission mechanism realization to three directions of workpiece 1 with two cylinders.
The selection of pneumatic element：
Pneumatic component can use listed component or other public affairs in the product synthesis catalog that Ya De visitor company provides
Take charge of similar products.Suitable pneumatic component is chosen according to parameters such as clamping force size, controller principles.
There is a locating piece groove 14-3 left and right ends of base 14 respectively, can install two workpiece 1 simultaneously.Figure 18 is used
Equipment be GX710, platen is larger, 710 millimeters of impulse stroke, in order to raise labour efficiency, while takes into account operator
Four workpiece of fixture clamped one time that are easy to operate, therefore designing, using eight cylinders, four air valves.Fixture three-dimensional general assembly drawing
As shown in figure 18.
Claims (3)
1. a kind of air-actuated jaw, it is characterised in that it includes front air cylinder（6）, front air cylinder push rod（7）, threaded（8）, preceding centering block
（9）, threaded（10）, arm-tie（11）, sliding block（12）, jacking block（13）, base（14）, cover plate（15）, pull bar（16）, pulling block
（17）, locating piece（2）, front air cylinder push rod（7）With front air cylinder（6）Connection, front air cylinder（6）Drive front air cylinder push rod（7）Before realization
After stretch, front air cylinder push rod（7）Middle part there is open slot（7-1）, preceding centering block（9）Installed in front air cylinder push rod（7）Opening
Groove（7-1）It is central, use threaded（8）Pass through rear pin-and-hole（7-2）And long slot bore（9-1）Connect, now preceding centering block（9）Possess certain
The amount of swinging, in open slot（7-1）In be further fixed on an arm-tie（11）, positioned at preceding centering block（9）Front, use threaded
（10）Through connecting hole（7-3）With arm-tie hole（11-1）It is fixed on open slot（7-1）In, preceding centering block（9）For clamping, arm-tie
（11）For unclamping, base（14）Positioned at front air cylinder push rod（7）Front, base（14）On be designed with pull bar groove（14-1）、
Pulling block groove（14-2）, locating piece groove（14-3）, pull bar（16）Installed in pull bar groove（14-1）In, pulling block groove（14-2）
For getting out of the way jacking block（13）, locating piece is installed on locating piece groove（14-3）In, locating piece（2）For "U" shaped, it is locked in screw
Base（14）On, workpiece is put into locating piece（2）U-type groove（2-1）In, opening direction on the right side of workpiece for workpiece machined surface institute
In the reference plane of workpiece second（1-2）With locating piece（2）Lower plane（2-2）The positioning of above-below direction, locating piece are realized in fitting
（2）Front side top be designed with and get out of the way jacking block（13）Resigning breach（2-3）, jacking block（13）Installed in cover plate（15）Jacking block groove
（15-2）In, it is designed with side and arm-tie（11）The jacking block breach being engaged（13-1）, floor design has jacking block inserting slot（13-
2）, pulling block（17）It is fastened in jacking block inserting slot（13-2）On, jacking block（13）Jacking block breach（13-1）It is stuck in arm-tie（11）On, it is another
Hold from locating piece（2）Resigning breach（2-3）In pass through, pulling block（17）At right angles, pulling block（17）Left side have pulling block inclined-plane
（17-1）, with cover plate（15）Force inclined-plane（15-3）It is engaged, pulling block left side（17-3）For the face of workpiece pressing, pulling block right-hand member
Face（17-2）For with pull bar（16）Mating surface, sliding block（12）Installed in cover plate（15）Slide block slot（15-1）In, sliding block（12）
For cuboid, it is designed with side and arm-tie（11）The sliding block breach being engaged（12-2）, floor design has skewed slot（12-1）, draw
Bar（16）For the hook-shaped of bending, pull bar（16）On have and skewed slot（12-1）The pull bar being engaged is raised（16-2）, sliding block（12）'s
Sliding block breach（12-2）It is stuck in arm-tie（11）On, the other end passes through skewed slot（12-1）With pull bar（16）Connect, pull bar（16）Bending
Working face（16-1）With pulling block right side（17-2）It is engaged, compresses pulling block from right to left（17）And then force pulling block（17）
Workpiece pressing right flank, cover plate（15）It is pressed in sliding block（12）And jacking block（13）Top, cover plate（15）Have and sliding block（12）Coordinate
Slide block slot（15-1）, with jacking block（13）The jacking block groove of cooperation（15-2）, in jacking block groove（15-2）Side on have pressure inclined-plane
（15-3）, preceding centering block（9）Left and right have two arc convex（9-2）, two arc convex（9-2）Sliding block is promoted respectively（12）With
Jacking block（13）Travel forward, sliding block（12）In forward movement, its skewed slot（12-1）By with pull bar（16）Pull bar it is convex
Rise（16-2）Cooperate, force pull bar（16）In base（14）Pull bar groove（14-1）It is interior to left movement, and jacking block（13）
Its jacking block inserting slot in forward movement（13-2）With pulling block（17）Coordinate and promote pulling block（17）Travel forward, pulling block（17）Just
Its pulling block inclined-plane during setting in motion（17-1）Not yet move to cover plate and force inclined-plane（15-3）, now pulling block left side（17-3）With
Workpiece right side is in cover plate（15）Limitation under remain certain gap, treat pulling block（17）Its front end face is moved forward to open
When beginning surmounts workpiece front end clamping face, pulling block（17）Pulling block inclined-plane（17-1）Start to ride over cover plate and force inclined-plane（15-3）, this
When pulling block left side（17-3）Possess and workpiece（1）The activity space of its right end face fitting, and pull bar（16）Due in sliding block
（12）Drive under constantly to left movement, now pull bar（16）Working face（16-1）Start and pulling block right side（17-2）Patch
Close, pull pulling block（17）Force to left movement, until pulling block left side（17-3）With workpiece（1）Right side fitting, realize pair
Workpiece（1）The clamping in direction from right to left, now jacking block（13）Also workpiece front end face is withstood to move its front end in place, and workpiece
Tolerance and the mismachining tolerance of each workpiece both direction is ensured by the influence to swing to have eliminated to clamping of preceding centering block
Workpiece is simultaneously clamped on, the clamping to workpiece in both directions is realized by the motion of the three degree of freedom of said mechanism.
2. air-actuated jaw according to claim 1, it is characterized in that：Also there is a lower cylinder（5）, pass through middle power transmission machine
Structure is from workpiece（1）Lower section push up upwards, make workpiece（1）The second reference plane（1-2）With the lower plane of locating piece（2-2）Fitting,
Cylinder passes through lower cylinder push rod（4）Realize and stretch up and down, pass through one centering block of screw thread pin connection in lower cylinder push rod upper end（3）,
Pass through centering block upper end arc convex（3-1）Push up the lower plane of workpiece（1-4）.
3. air-actuated jaw according to claim 1, it is characterized in that：Base（14）Left and right ends have a locating piece recessed respectively
Groove（14-3）, two workpiece can be installed simultaneously（1）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610736902.0A CN106181500B (en) | 2016-08-29 | 2016-08-29 | Air-actuated jaw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610736902.0A CN106181500B (en) | 2016-08-29 | 2016-08-29 | Air-actuated jaw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106181500A CN106181500A (en) | 2016-12-07 |
| CN106181500B true CN106181500B (en) | 2018-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610736902.0A Active CN106181500B (en) | 2016-08-29 | 2016-08-29 | Air-actuated jaw |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107755575B (en) * | 2017-10-24 | 2023-12-05 | 浙江安胜科技股份有限公司 | Automatic clamping device for forming large container punching belt |
| CN108237491A (en) * | 2018-03-14 | 2018-07-03 | 苏州领裕电子科技有限公司 | Clamping and fixing device |
| CN108705335B (en) * | 2018-05-24 | 2020-07-07 | 常州信息职业技术学院 | Automatic processing equipment with automatic clamping function |
| CN112122649B (en) * | 2020-09-04 | 2021-09-17 | 湖北三江航天红峰控制有限公司 | Drilling and riveting pin device and method for bevel pinion of motor shaft of speed reducer |
| CN112478674B (en) * | 2020-11-05 | 2022-08-26 | 杭州航天电子技术有限公司 | Flexible automatic feeding device of contact based on CCD vision |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1168021B (en) * | 1980-10-22 | 1987-05-20 | Saurer Allma Gmbh | PNEUMATICALLY OPERATED LOCKING DEVICE, IN PARTICULAR MACHINE VICE |
| DE4311857A1 (en) * | 1993-04-10 | 1994-10-13 | David Fischer | Clamping device for clamping workpieces |
| CN102463431B (en) * | 2010-11-08 | 2016-06-22 | 中国第一汽车集团公司 | Single cylinder Pneumatic horizontal-pushing positioning bidirectional clamping device |
| CN201950593U (en) * | 2010-12-20 | 2011-08-31 | 大连四达高技术发展有限公司 | Bidirectional clamping cylinder |
| CN105269375A (en) * | 2015-11-27 | 2016-01-27 | 沈阳飞机工业（集团）有限公司 | Pneumatic movable pressing plate clamping plate |
| CN205325269U (en) * | 2015-12-24 | 2016-06-22 | 天津市臣涛精密机械设备有限公司 | Solid special clamping device of vertical processing of axle |
| CN206029381U (en) * | 2016-08-29 | 2017-03-22 | 福建兵工装备有限公司 | Pneumatic clamp |
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