CN106181500A - Air-actuated jaw - Google Patents
Air-actuated jaw Download PDFInfo
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- CN106181500A CN106181500A CN201610736902.0A CN201610736902A CN106181500A CN 106181500 A CN106181500 A CN 106181500A CN 201610736902 A CN201610736902 A CN 201610736902A CN 106181500 A CN106181500 A CN 106181500A
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- pulling block
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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, front centering block, threaded, arm-tie, slide block, jacking block, base, cover plate, pull bar, pulling block, locating piece.Front air cylinder drives front air cylinder push rod and then promotes front centering block and arm-tie to travel forward, front centering block promotes slide block and jacking block to travel forward, slide block forces pull bar to left movement, jacking block promotes pulling block to travel forward, when pulling block front end face starts to surmount clamping face, workpiece front end, pull bar pulls pulling block until fitting in the right side of left side and workpiece, it is achieved the clamping on right side.Now jacking block also withstands workpiece front end face, by a cylinder, Bidirectional clamping, then adds a lower cylinder, and from workpiece, upwards top clamps workpiece.Advantages of the present invention: volume is little, is completed the clamping in three directions, effectively reduces number of cylinders by two cylinders, improves same equipment work-piece clamping quantity, simplifies production process, raises labour productivity, and reduces production cost.
Description
Technical field
The present invention relates to fixture industry, especially belong to pneumatic.
Background technology
In recent years, the new process technology such as Digit Control Machine Tool, machining center, group technology, flexible manufacturing system, (FMS) should
With, jig is proposed the newest requirement: can the operation of quickly and easily service new product, to shorten Operational preparation
In the cycle, reduce production cost；Energy clamping one group has the workpiece of similarity feature；Can be suitably used for precision machined high precision machine tool
Fixture；Can be suitably used for the Novel jig of various modernization manufacturing technology；Use with efficiently pressing from both sides as power source such as Hydraulic Stations
Tight device, reduces labor intensity further and raises labour productivity；Improve the standardization level of jig.Enter 20 abroad
For many years, rapid about pneumatic industry development.The seventies, the output value of hydraulic pressure and pneumatic element is than 9:1, and the present after 20 years
My god, in America and Europe, the Japan and other countries of industry prosperity, this ratio has reached 6:4.The price of air-actuated jaw is lower than the fixture of hydraulic pressure
Many, it is believed that pneumatic industry must exceed hydraulic pressure in the near future.So air-actuated jaw also slowly can become main flow.Japan
SMC, the PARKER of FESTO, the NORGREN of Britain and the U.S. of Germany be all well-known startup industry and enterprise.Along with society
Development, fixture is the indispensable parts of machining, machine tool technology at a high speed, efficiently, accurate, compound, intelligence, environmental protection
Under the drive that direction is developed, clamp technology just develops towards high-precision, efficient, module, combination, direction general, economic.Simultaneously with adding
The result of work manufacturing Developing High-speed cutting, is greatly shortened flexible working hours, and labor productivity improves；Promoting air-actuated jaw is must
, 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；Less demanding to pneumatic element of air-actuated jaw, it is easy to manufacture, air-actuated jaw is easy to modernization simultaneously
Manufacture.
Summary of the invention
The purpose of the present invention it is to develop air-actuated jaw, designs two-way pneumatic fixture, make a cylinder by connection
Motivation structure realizes the motion of clamp system three degree of freedom and realizes the clamping of both direction, so that workpiece positions completely, meets
Processing request.
Utilizing two cylinders, one of them provides clamping force from bottom to top, and another one cylinder passes through an associating simultaneously
Motivation structure realizes workpiece front end and the clamping of right flank.
The present invention solves mentality of designing that its technical problem used and technical scheme is as follows: a kind of air-actuated jaw, it is wanted
Point be it include front air cylinder (6), front air cylinder push rod (7), threaded (8), front centering block (9), threaded (10), arm-tie (11),
Slide 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)
Being connected with front air cylinder (6), front air cylinder (6) drives front air cylinder push rod (7) to realize elastic, the middle part tool of front air cylinder push rod (7)
Open slot (7-1), front centering block (9) is had to be arranged in the middle of the open slot (7-1) of front air cylinder push rod (7), after passing through with threaded (8)
Pin-and-hole (7-2) and long slot bore (9-1) connect, and now front centering block (9) possesses certain amount of swinging, in open slot (7-1)
It is further fixed on an arm-tie (11), is positioned at front centering block (9) front, with threaded (10) through connecting hole (7-3) and arm-tie hole
(11-1) being fixed in open slot (7-1), front centering block (9) is used for clamping, and arm-tie (11) is used for unclamping, and base (14) is positioned at front gas
The front of cylinder push rod (7), base (14) is designed with pull bar groove (14-1), pulling block groove (14-2), locating piece groove (14-
3), pull bar (16) is arranged in pull bar groove (14-1), and pulling block groove (14-2) is used for getting 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 on base (14) with screw, and locating piece (2) put into by workpiece
U-type groove (2-1) in, the opening direction on the right side of workpiece is the machined surface place of workpiece, workpiece the second datum level (1-2) with location
Lower plane (2-2) laminating of block (2) realizes the location of above-below direction, and the front side top of locating piece (2) is designed with and gets out of the way jacking block
(13) breach of stepping down (2-3), jacking block (13) is arranged in the jacking block groove (15-2) of cover plate (15), side is designed with and arm-tie
(11) the jacking block breach (13-1) matched, floor design has jacking block inserting slot (13-2), pulling block (17) to be fastened in jacking block inserting slot
(13-2), on, the jacking block breach (13-1) of jacking block (13) is stuck on arm-tie (11), and the other end is from the breach of stepping down of locating piece (2)
(2-3) passing in, pulling block (17) is rectangular, and there is pulling block inclined-plane (17-1) left side of pulling block (17), forces tiltedly with cover plate (15)
(15-3) matches in face, and binding face (17-3) is the face with workpiece pressing, pulling block right side (17-2) for the joining of pull bar (16)
Conjunction face, slide block (12) is arranged in the slide block slot (15-1) of cover plate (15), and slide block (12) is cuboid, side is designed with and draws
The slide block breach (12-2) that plate (11) matches, floor design has skewed slot (12-1), and pull bar (16) is hook-shaped for bending, pull bar
(16) having the pull bar matched with skewed slot (12-1) protruding (16-2) on, the slide block breach (12-2) of slide block (12) is stuck in arm-tie
(11) on, the other end is connected with pull bar (16) by skewed slot (12-1), working face (16-1) that pull bar (16) bends and pulling block
(17-2) matches in right side, compresses pulling block (17) from right to left and then forces pulling block (17) workpiece pressing right flank, cover plate
(15) being pressed in slide block (12) and the top of jacking block (13), cover plate (15) has the slide block slot (15-1) coordinated with slide block (12), with top
The jacking block groove (15-2) that block (13) coordinates, has pressure inclined-plane (15-3), a left side for front centering block (9) on the side of jacking block groove (15-2)
The right side has two arc convex (9-2), two arc convex (9-2) to promote slide block (12) and jacking block (13) to travel forward respectively, sliding
Block (12) is in forward movement, and its skewed slot (12-1), by cooperating with the pull bar of pull bar (16) protruding (16-2), is compeled
Make pull bar (16) to left movement in the pull bar groove (14-1) of base (14), and jacking block (13) its top in forward movement
Block inserting slot (13-2) coordinates promotion pulling block (17) to travel forward with pulling block (17), its pulling block inclined-plane during pulling block (17) just setting in motion
(17-1) not yet moving to cover plate and force inclined-plane (15-3), now pulling block left side (17-3) and workpiece right side are in cover plate (15)
Restriction under remain certain gap, treat that pulling block (17) moves forward to its front end face and starts to surmount clamping face, workpiece front end
Time, the pulling block inclined-plane (17-1) of pulling block (17) starts to ride over cover plate and forces inclined-plane (15-3), now pulling block left side (17-3) tool
The activity space that standby and workpiece (1) its right end face is fitted, and pull bar (16) is owing to constantly transporting to the left under the drive of slide block (12)
Dynamic, now the working face (16-1) of pull bar (16) starts to fit with pulling block right side (17-2), pull pulling block (17) force to
Left movement, until the right side laminating of pulling block left side (17-3) and workpiece (1), it is achieved to workpiece (1) direction from right to left
Clamping, now jacking block (13) also withstands workpiece front end face with motion its front end that puts in place, and the tolerance of workpiece and the processing of each workpiece
Error by front centering block swing eliminated on clamping impact guarantee that both direction simultaneously clamps on workpiece, by above-mentioned
The motion of the three degree of freedom of mechanism realizes the clamping to workpiece in both directions.
Also there is a lower cylinder, upwards pushed up from the lower section of workpiece by middle force transmission mechanism, make the second benchmark of workpiece
The lower plane laminating of face and locating piece, cylinder realizes stretching up and down by lower cylinder push rod, passes through spiral shell in lower cylinder push rod upper end
Stricture of vagina pin connects a centering block, by the lower plane of arc convex top, centering block upper end workpiece, so makees due to the automatic capturing of centering block
With, it can be ensured that the datum level of workpiece can be fitted completely with locating piece lower surface, uses two cylinders by middle power transmission machine
Structure realizes the clamping in three directions to workpiece.
Two ends, base left and right have a locating piece groove respectively, can install two workpiece simultaneously.
Advantages of the present invention: volume is little, is completed the clamping in three directions, effectively reduces number of cylinders by two cylinders
Amount, improves same equipment work-piece clamping quantity, simplifies production process, raises labour productivity, and reduces production cost.
Accompanying drawing explanation
Fig. 1 is the workpiece blank figure that this fixture can be used to process
Fig. 2 is the schematic diagram that workpiece is contained in locating piece
Fig. 3 is the structural representation of locating piece
Fig. 4 is the upward view of Fig. 3
Fig. 5 is the schematic diagram of front end clamp system
Fig. 6 is the schematic diagram after cover plate 15 removed by front end clamp system
Fig. 7 is the structural representation of front air cylinder push rod
Fig. 8 is the structural representation of front centering block
Fig. 9 is the structural representation of arm-tie
Figure 10 is the structural representation of slide 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 present invention use state diagram on GX710 CNC machine center with three axes
In base: the lower plane 2 locating piece 2-of 1 workpiece 1-1 the first datum level 1-2 the second datum level 1-3 working position 1-4 workpiece
The lower plane 2-3 of 1U shape groove 2-2 locating piece steps down breach 2-11 U-lag left side 2-12 U-lag rear end face 3 centering block 3-1
After the arc convex 4 lower cylinder push rod 5 lower cylinder 6 front air cylinder 7 front air cylinder push rod 7-1 open slot 7-2 of centering block upper end, pin-and-hole 7-3 connects
Centering block 9-1 long slot bore 9-2 arc convex 10 threaded 11 arm-tie 11-1 arm-tie hole 12 slide block 12-1 skewed slot 12-before hole 8 threaded 9
2 slide block breach 13 jacking block 13-1 jacking block breach 13-2 jacking block inserting slot 14 base 14-1 pull bar groove 14-2 pulling block groove 14-3
Locating piece groove 15 cover plate 15-1 slide block slot 15-2 jacking block groove 15-3 cover plate forces inclined-plane 16 pull bar 16-1 working face 16-2 to draw
The protruding 17 17-3 pulling block left sides, 17-2 pulling block right side, pulling block 17-1 pulling block inclined-plane of bar.
Detailed description of the invention
Being described in detail the present invention below in conjunction with view, cited embodiment can make the technology people of this specialty
Member more understands the present invention, but limits the present invention the most in any form.
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
Realizing the motion of both direction, three degree of freedom, it is achieved the clamping to workpiece in both directions, the work pieces process of this type makes
With.
Workpiece blank figure that this fixture is positioned is as it is shown in figure 1,1 is this processing workpiece, and wherein 1-1 and 1-2 is respectively the
One, the second datum level, for the short transverse relevant to working position and the size datum of horizontal direction in workpiece product figure, and presss from both sides
Tool design requires that design basis, technological datum, positioning datum should be the most unified, therefore we are by the in this work pieces process technique
One, the second datum level 1-1 and 1-2 is positioning datum, and after such Product processing, product figure relative dimensions all can be effectively ensured.
And 1-3 is working position.
The lathe adding the selection of cost workpiece is GX710 CNC machine center with three axes.Required to add with workpiece by the lathe selected
The objective factors such as Ministry of worker position, positioning reference plane, simultaneously when designing fixture for guaranteeing that location is reliable, it is desirable to fixture position point is to the greatest extent
May be for fixture to guarantee that accurate positioning is reliable, this just requires that our workpiece can only be inserted from locating piece U-type groove opening direction
Clamping is completed in entering fixture.And jig Design requires position completely, for this workpiece, we use in the past when design
End, lower end and direction, three, right side simultaneously clamp on, and such workpiece six-freedom degree is the most restrained and positions without crossing and owes location
The appearance of phenomenon.Processing is selected straight shank end mill, milling requirement can be met.
This workpiece locating surface is first, second datum level 1-1 and 1-2.According to actual processing request, need during this workpiece location
Limit six-freedom degree.When drafting targeting scheme, still needing to be analyzed it and study, can the selection that investigate positioning datum
Meeting the requirement of location of workpiece precision, can the structure of fixture realize.Therefore locating piece is a workpiece being fixed on fixture, with work
Fitting in part left surface and former and later two small stair faces, workpiece two sides are matched in clearance with the U-lag 2-1 of locating piece 2 simultaneously, really
Protect workpiece and can insert fixture from side smoothly.Workpiece loads the location drawing in locating piece as in figure 2 it is shown, locating piece 2 shape graph
As shown in Figure 3,4.
From Fig. 2-4, workpiece 1 loads after locating piece 2 by the second datum level 1-of locating piece 2 lower surface 2-2 Yu workpiece 1
2 laminatings, the U-lag left side 2-11 of locating piece 2 and side surface of workpiece fit, locating piece 2U shape groove rear end face 2-12 and workpiece 1 the
One datum level 1-1 laminating, the positioning datum of such workpiece is completely the same with design basis.
In addition to front end face need to be directly by jacking block fore-set workpiece front end face, to insert location in left side from left side due to workpiece
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 want when unclamping to realize to the right
The motion of both direction backward.Therefore devise a set of link gear to realize the motion of both direction, three degree of freedom, it is achieved
To workpiece front end face and the clamping of left surface.Owing to being realized the clamping to two end faces of workpiece by a cylinder, add power
Direction, for guaranteeing there is sufficiently large clamping force, our cylinder of selecting cylinder diameter to be 100 of front air cylinder 6.
A kind of air-actuated jaw, it includes front air cylinder 6, front air cylinder push rod 7, threaded 8, front centering block 9, threaded 10, arm-tie
11, slide 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 is with front air cylinder 6 even
Connecing, it is elastic that front air cylinder 6 drives front air cylinder push rod 7 to realize, and the middle part of front air cylinder push rod 7 has open slot 7-1, front centering block 9
Be arranged in the middle of the open slot 7-1 of front air cylinder push rod 7, connected by rear pin-and-hole 7-2 and long slot bore 9-1 with threaded 8, now before
Centering block 9 possesses certain amount of swinging, and is further fixed on an arm-tie 11 in open slot 7-1, is positioned at front centering block 9 front, uses
Threaded 10 is fixed in open slot 7-1 through connecting hole 7-3 and arm-tie hole 11-1, and front centering block 9 is used for clamping, and arm-tie 11 is used for
Unclamping, base 14 is positioned at the front of front air cylinder push rod 7, and base 14 is designed with pull bar groove 14-1, pulling block groove 14-2, location
Block groove 14-3, pull bar 16 is arranged in pull bar groove 14-1, and pulling block groove 14-2 is used for getting 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 on base 14 with screw, and U-type groove 2-of locating piece 2 put into by workpiece
In 1, the opening direction on the right side of workpiece is the machined surface place of workpiece, workpiece the second datum level 1-2 and the lower plane 2-of locating piece 2
2 laminatings realize the location of above-below direction, and the front side top of locating piece 2 is designed with the breach 2-3 that steps down getting out of the way jacking block 13, jacking block 13
It is arranged in the jacking block groove 15-2 of cover plate 15, side is designed with the jacking block breach 13-1 matched with arm-tie 11, floor design
Having 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 from the breach 2-3 that steps down of locating piece 2, and at right angles, there is pulling block inclined-plane 17-1 the left side of pulling block 17 to pulling block 17, with
Cover plate 15 forces inclined-plane 15-3 to match, and binding face 17-3 is the face with workpiece pressing, and pulling block right side 17-2 is and pull bar 16
Cooperation face, slide block 12 is arranged in the slide block slot 15-1 of cover plate 15, and slide block 12 is cuboid, side is designed with and arm-tie 11
The slide block breach 12-2 matched, floor design has skewed slot 12-1, and pull bar 16 is hook-shaped for bending, and pull bar 16 has and skewed slot
Pull bar projection 16-2 that 12-1 matches, the slide block breach 12-2 of slide block 12 is stuck on arm-tie 11, and the other end passes through skewed slot 12-1
Connecting with pull bar 16, the working face 16-1 of pull bar 16 bending matches with pulling block right side 17-2, compresses pulling block from right to left
17 and then force pulling block 17 workpiece pressing right flank, cover plate 15 is pressed in slide block 12 and the top of jacking block 13, and cover plate 15 has and slide block
12 slide block slot 15-1, the jacking block groove 15-2 coordinated with jacking block 13 coordinated, have pressure inclined-plane 15-on the side of jacking block groove 15-2
3, the left and right of front centering block 9 has two arc convex 9-2, two arc convex 9-2 to promote slide block 12 and jacking block 13 to transport forward respectively
Dynamic, slide block 12 is in forward movement, and its skewed slot 12-1 is cooperated by pull bar projection 16-2 with pull bar 16, forces and draws
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 coordinates and promotes pulling block 17 to travel forward, and during pulling block 17 firm setting in motion, not yet to move to cover plate strong for its pulling block inclined-plane 17-1
Inclined-plane 15-3 processed, now pulling block left side 17-3 and workpiece right side remain certain gap under the restriction of cover plate 15,
Until pulling block 17 move forward to its front end face start to surmount clamping face, workpiece front end time, the pulling block inclined-plane 17-1 of pulling block 17 starts more
Crossing cover plate and force inclined-plane 15-3, now pulling block left side 17-3 possesses and the activity space of workpiece 1 its right end face laminating, and pull bar
1 due to continuous to left movement under the drive of slide block 12, and now the working face 16-1 of pull bar 16 starts and pulling block right side 17-
2 laminatings, pull pulling block 17 to force to left movement, until the right side laminating of pulling block left side 17-3 and workpiece 1, it is achieved to workpiece
The clamping in 1 direction from right to left, now jacking block 13 also withstands workpiece front end face with motion its front end that puts in place, and the tolerance of workpiece and
The mismachining tolerance of each workpiece by front centering block swing eliminated on clamping impact guarantee that both direction simultaneously clamps on
Workpiece, realizes the clamping to workpiece in both directions by the motion of the three degree of freedom of said mechanism.
The motor process that the present invention is discussed in detail is as follows:
1, clamping process is: front air cylinder 6 promotes front air cylinder push rod 7 to travel forward.Front centering block 9 is placed on the opening of front air cylinder push rod 7
In the middle of groove 7-1, connect with threaded 8.Front air cylinder push rod 7 promotes front centering block 9 rear end arcwall face, and the left and right of front centering block 9 has two
Arc convex 9-2 promotes slide block 12 and jacking block 13 to travel forward respectively, and slide block 12 is in forward movement, and its skewed slot 12-1 leads to
Cross pull bar projection 16-2 with pull bar 16 to cooperate, force pull bar 16 to left movement in the pull bar groove 14-1 of base 14,
And jacking block 13 its jacking block inserting slot 13-2 in forward movement coordinates promotion pulling block 17 to travel forward with pulling block 17, pulling block 17 is firm
During setting in motion, its pulling block inclined-plane 17-1 not yet moves to cover plate and forces inclined-plane 15-3, and now pulling block left side 17-3 is right with workpiece
End face remains certain gap under the restriction of cover plate 15, treats that pulling block 17 moves forward to its front end face and starts to surmount workpiece
During clamping face, front end, the pulling block inclined-plane 17-1 of pulling block 17 starts to ride over cover plate and forces inclined-plane 15-3, now pulling block left side 17-3
Possess and the activity space of workpiece 1 its right end face laminating, and pull bar 16 is due to continuous to left movement under the drive of slide block 12, this
Time pull bar 16 working face 16-1 start and pulling block right side 17-2 laminating, pull pulling block 17 to force to left movement, until drawing
Block left side 17-3 fits with the right side of workpiece 1, it is achieved the clamping to workpiece 1 direction from right to left.Now jacking block 13 also with
Workpiece front end face is withstood in motion its front end that puts in place.And the mismachining tolerance of the tolerance of workpiece and each workpiece swinging by centering block
Eliminate the impact on clamping and guaranteed that both direction simultaneously clamps on workpiece.Come by the motion of the three degree of freedom of said mechanism
Realize the clamping to workpiece in both directions.
2, release process is: under the effect of front air cylinder 6, front air cylinder push rod 7 rearward movement.Before being placed on due to arm-tie 11
Connected by connecting hole 7-3 threaded 10 in the middle of the open slot 7-1 of ejecting rod of cylinder 7.Drive during front air cylinder pull bar 7 rearward movement
Arm-tie 11 rearward movement, and arm-tie 11 draws by coordinating with the jacking block breach 13-1 of the slide block breach 12-2 and jacking block 13 of slide block 12
Movable slider 12 and jacking block 13 rearward movement, now jacking block 13 has unclamped workpiece 1, and due to slide block 12 rearward movement, passes through skewed slot
12-1 drives pull bar 16 to move right, and now pull bar 16 unclamps pulling block 17, so that workpiece is no longer applied from dextrad by pulling block 17
Left clamping force.Due to the rearward movement of jacking block 13, under the effect of jacking block inserting slot 13-2 drive pulling block 17 rearward movement thus
Make workpiece 1 can take out and load new unprocessed workpiece 1 from right-hand member.After pulling block 17 rearward movement a small distance, pulling block
Inclined-plane 17-1 moves right under the positive action of inclined-plane 15-3 forced by cover plate, forces binding face 17-3 and the workpiece 1 of pulling block 17
Right side keep the gap of suitable left and right directions, and the working face of now right side 17-2 and the pull bar 16 of pulling block 17
Keeping certain activity space between 16-1, whole mechanism will not locking.
By above procedure, complete the clamping to workpiece 1 and unclamp, meeting actual process requirements.
Such as Figure 16, shown in 17, except above-mentioned two direction fixing in addition to, the present invention also needs to the clamping force of a Z-direction,
The most also there is a lower cylinder 5, upwards pushed up from the lower section of workpiece 1 by middle force transmission mechanism, make the second datum level of workpiece 1
1-2 fits with the lower plane 2-2 of locating piece, and lower cylinder realizes stretching up and down, in lower cylinder push rod upper end by lower cylinder push rod 4
A centering block 3 is connected, by the lower plane 1-4 of centering block upper end arc convex 3-1 top workpiece, so due to centering block by threaded
The automatic capturing effect of 3, it can be ensured that the second datum level 1-2 of workpiece 1 can fit completely with locating piece 2 lower surface 2-2, adopts
Realized the clamping in three directions to workpiece 1 by middle force transmission mechanism with two cylinders.
The selection of pneumatic element:
Pneumatic components and parts can use components and parts listed in the comprehensive catalog of product that Ya De visitor company provides or other company's class
Like product.Suitable pneumatic components and parts are chosen according to parameters such as clamping force size, controller principles.
Base about 14 two ends have a locating piece groove 14-3 respectively, can install two workpiece 1 simultaneously.Figure 18 is used
Equipment be GX710, platen is relatively big, and impulse stroke 710 millimeters, in order to raise labour efficiency, takes into account operator simultaneously
Easy to operate, therefore four workpiece of fixture clamped one time of design, use eight cylinders, four air valves.Fixture three-dimensional general assembly drawing
As shown in figure 18.
Claims (3)
1. an air-actuated jaw, it is characterised in that it includes front air cylinder (6), front air cylinder push rod (7), threaded (8), front centering block
(9), threaded (10), arm-tie (11), slide 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) is connected with front air cylinder (6), front air cylinder (6) drive front air cylinder push rod (7) realize before
Rear flexible, the middle part of front air cylinder push rod (7) has open slot (7-1), and front centering block (9) is arranged on the opening of front air cylinder push rod (7)
In the middle of groove (7-1), being connected by rear pin-and-hole (7-2) and long slot bore (9-1) with threaded (8), now front centering block (9) possesses necessarily
The amount of swinging, open slot (7-1) is further fixed on an arm-tie (11), is positioned at front centering block (9) front, uses threaded
(10) being fixed in open slot (7-1) through connecting hole (7-3) and arm-tie hole (11-1), front centering block (9) is used for clamping, arm-tie
(11) being used for unclamping, base (14) is positioned at the front of front air cylinder push rod (7), base (14) is designed with pull bar groove (14-1),
Pulling block groove (14-2), locating piece groove (14-3), pull bar (16) is arranged in pull bar groove (14-1), pulling block groove (14-2)
For getting out of the way jacking block (13), locating piece is installed in locating piece groove (14-3), and locating piece (2) is "U" shaped, is locked in screw
On base (14), workpiece is put in the U-type groove (2-1) of locating piece (2), and the opening direction on the right side of workpiece is the machined surface institute of workpiece
, lower plane (2-2) laminating of workpiece the second datum level (1-2) and locating piece (2) realizes the location of above-below direction, locating piece
(2) front side top is designed with the breach of stepping down (2-3) getting out of the way jacking block (13), and jacking block (13) is arranged on the jacking block groove of cover plate (15)
(15-2) in, side being designed with the jacking block breach (13-1) matched with arm-tie (11), floor design has 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), another
End passes from the breach of stepping down (2-3) of locating piece (2), and pulling block (17) is rectangular, and there is pulling block inclined-plane the left side of pulling block (17)
(17-1), forcing inclined-plane (15-3) to match with cover plate (15), binding face (17-3) is the face with workpiece pressing, pulling block right side
(17-2) being the face that coordinates with pull bar (16), slide block (12) is arranged in the slide block slot (15-1) of cover plate (15), and slide block (12) is
Cuboid, side is designed with the slide block breach (12-2) matched with arm-tie (11), and floor design has skewed slot (12-1), pull bar
(16) hook-shaped for bend, pull bar (16) there is the pull bar matched with skewed slot (12-1) protruding (16-2), the cunning of slide block (12)
Block breach (12-2) is stuck on arm-tie (11), and the other end is connected with pull bar (16) by skewed slot (12-1), and pull bar (16) bends
Working face (16-1) matches with pulling block right side (17-2), compresses pulling block (17) from right to left and then forces pulling block (17) to be pressed
Clamping of workpieces right flank, cover plate (15) is pressed in slide block (12) and the top of jacking block (13), and cover plate (15) has and coordinates with slide block (12)
Slide block slot (15-1), the jacking block groove (15-2) coordinated with jacking block (13), the side of jacking block groove (15-2) has pressure inclined-plane
(15-3), there are two arc convex (9-2) left and right of front centering block (9), two arc convex (9-2) promote respectively slide block (12) and
Jacking block (13) travels forward, and slide block (12) is in forward movement, and its skewed slot (12-1) is by convex with the pull bar of pull bar (16)
Play (16-2) to cooperate, force pull bar (16) to left movement in the pull bar groove (14-1) of base (14), and jacking block (13)
In forward movement, its jacking block inserting slot (13-2) coordinates promotion pulling block (17) to travel forward with pulling block (17), and pulling block (17) is firm
During setting in motion 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 restriction of cover plate (15), treats that pulling block (17) moves forward to its front end face and opens
When beginning to surmount clamping face, workpiece front end, the pulling block inclined-plane (17-1) of pulling block (17) starts to ride over cover plate and forces inclined-plane (15-3), this
Time pulling block left side (17-3) possess and the activity space of workpiece (1) its right end face laminating, and pull bar (16) is due at slide block
(12) constantly to left movement under drive, now the working face (16-1) of pull bar (16) starts to paste with pulling block right side (17-2)
Close, pull pulling block (17) to force to left movement, until the right side laminating of pulling block left side (17-3) and workpiece (1), it is achieved right
The clamping in workpiece (1) direction from right to left, now jacking block (13) also withstands workpiece front end face with motion its front end that puts in place, and workpiece
Tolerance and each workpiece mismachining tolerance by front centering block swing eliminated on clamping impact guarantee both direction
Simultaneously clamp on workpiece, realize the clamping to workpiece in both directions by the motion of the three degree of freedom of said mechanism.
Air-actuated jaw the most according to claim 1, is characterized in that: also have a lower cylinder (5), by middle power transmission machine
Structure upwards pushes up from the lower section of workpiece (1), makes second datum level (1-2) of workpiece (1) and lower plane (2-2) laminating of locating piece,
Cylinder realizes stretching up and down by lower cylinder push rod (4), connects a centering block (3) in lower cylinder push rod upper end by threaded,
Lower plane (1-4) by top, centering block upper end arc convex (3-1) workpiece.
Air-actuated jaw the most according to claim 1, is characterized in that: base (14) two ends, left and right have a locating piece recessed respectively
Groove (14-3), can install two workpiece (1) simultaneously.
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 true CN106181500A (en) | 2016-12-07 |
| CN106181500B 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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| CN107755575A (en) * | 2017-10-24 | 2018-03-06 | 浙江安胜科技股份有限公司 | A kind of bulk container punched-tape is molded automatic clamping device |
| CN108237491A (en) * | 2018-03-14 | 2018-07-03 | 苏州领裕电子科技有限公司 | Clamping and fixing device |
| CN108705335A (en) * | 2018-05-24 | 2018-10-26 | 常州信息职业技术学院 | It is a kind of that there is the automatically processing device for clamping function automatically |
| CN112122649A (en) * | 2020-09-04 | 2020-12-25 | 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 |
| CN112478674A (en) * | 2020-11-05 | 2021-03-12 | 杭州航天电子技术有限公司 | Flexible automatic contact feeding device based on CCD vision |
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| CN112478674A (en) * | 2020-11-05 | 2021-03-12 | 杭州航天电子技术有限公司 | Flexible automatic contact feeding device based on CCD vision |
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|---|---|
| CN106181500B (en) | 2018-03-30 |
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