CN108637740A - Locking fixture - Google Patents
Locking fixture Download PDFInfo
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- CN108637740A CN108637740A CN201810772401.7A CN201810772401A CN108637740A CN 108637740 A CN108637740 A CN 108637740A CN 201810772401 A CN201810772401 A CN 201810772401A CN 108637740 A CN108637740 A CN 108637740A
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- Prior art keywords
- pedestal
- clamping
- sliding
- turntable
- workpiece
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Classifications
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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
Abstract
The present invention relates to a kind of locking fixtures, including：Pedestal, the top of pedestal is for carrying workpiece；Turntable, rotation are respectively equipped with the first circular hole set on the bottom of pedestal, the both ends of turntable, and the first circular hole extends by center of circle circular arc of the rotation center of turntable；Two the first clamping devices, every 1 first clamping device slide against in corresponding first circular hole and extend to the top of pedestal, and two the first clamping devices are respectively used to support the both sides of workpiece；And driving mechanism, connect with turntable, driving mechanism can the rotation of driving disc opposite base, to drive two the first clamping devices to be moved respectively along two the first circular holes, and then so that two the first clamping device opposite bases are close to each other or separate along first direction.Above-mentioned locking fixture is operated by mechanical automation instead of traditional manual troublesome operation for adjusting block and being brought with clamp or release workpiece, has the characteristics that easy to operate, clamping efficiency is high.
Description
Technical field
The present invention relates to work pieces process fields, more particularly to a kind of locking fixture.
Background technology
In machine tool processing workpiece, for enable the surface of workpiece reach size, geometry as defined in drawing and with
The requirement of the technologies such as the relative-position error on its surface, generally use fixture is tight by work piece positioning before processing, and ensures that workpiece is adding
Even if opposite deviate will not be occurred by outer force effect during work.Traditional fixture is generally using the side for adjusting block manually
Formula clamps workpiece surrounding, and the mode of this manual adjustment is cumbersome, and clamping efficiency is relatively low, can not meet current height well
Effect, accurate and automation clamping demand.
Invention content
Based on this, it is necessary to provide a kind of locking fixture easy to operate, clamping efficiency is high.
A kind of locking fixture, including：
Pedestal, the top of the pedestal is for carrying workpiece；
Turntable, set on the bottom of the pedestal, the both ends of the turntable are respectively equipped with the first circular hole for rotation, and described first
Circular hole extends by center of circle circular arc of the rotation center of the turntable；
Two the first clamping devices, each first clamping device slide against in corresponding one first circular arc
In hole and the top of the pedestal is extended to, two first clamping devices are respectively used to support the both sides of the workpiece；And
Driving mechanism is connect with the turntable, and the driving mechanism can drive the turntable to be rotated relative to the pedestal,
To drive two first clamping devices to be moved respectively along two first circular holes, and then so that two first folders
It is close to each other or separate along first direction to hold the relatively described pedestal of mechanism.
Each first clamping device includes in one of the embodiments,：
The first clamping member, sliding are arranged in the pedestal, and two the first clamping members are slided respectively is arranged in the base
The both ends of seat, two the first clamping members are respectively used to support the both sides of the workpiece；And
First sliding part, sliding is set on the bottom of the pedestal, and one end of first sliding part is pressed from both sides with described first
Gripping member connects, and the other end of first sliding part slides against in first circular hole.
Each first clamping device further includes the first auxiliary block in one of the embodiments, first auxiliary
Block is set to the bottom of the pedestal, and the first sliding part sliding is arranged in first auxiliary block, and first auxiliary block is used
In the mobile guide to the relatively described pedestal of first sliding part along the first direction；And/or
Each first clamping device further includes the first guide shaft, and the other end of first sliding part is equipped with the first auxiliary
Mouthful, first guide shaft sliding be arranged in first circular hole and be connected to first auxiliary port opposite two madial walls it
Between.
The other both ends of the turntable further respectively have the second circular hole, second circle in one of the embodiments,
Arc hole extends by center of circle circular arc of the rotation center of the turntable；
The locking fixture further includes two the second clamping devices, and each second clamping device slides against in correspondence
Second circular hole in and extend to the top of the pedestal；Two second clamping devices are respectively used to support
The other both sides of the workpiece, the driving mechanism can drive the turntable to be rotated relative to the pedestal, so that described in two
While the relatively described pedestal of first clamping device is close to each other or separate along first direction, synchronizing makes two second clampings
Mechanism is moved along two second circular holes respectively so that two second clamping devices pedestal relatively along with it is described
The vertical second direction of first direction is close to each other or separate.
Each second clamping device includes in one of the embodiments,：
Second clamping piece, sliding are arranged in the pedestal, and two second clamping pieces slide be arranged in the base respectively
The other both ends of seat, two second clamping pieces are respectively used to support the other both sides of the workpiece；And
Second sliding part, sliding is set on the bottom of the pedestal, and one end of second sliding part is pressed from both sides with described second
Gripping member connects, and the other end of second sliding part slides against in second circular hole.
Each second clamping device further includes the second auxiliary block in one of the embodiments, second auxiliary
Block is set to the bottom of the pedestal, and the second sliding part sliding is arranged in second auxiliary block, and second auxiliary block is used
In the mobile guide to the relatively described pedestal of second sliding part along the second direction；And/or
Each second clamping device further includes the second guide shaft, and the other end of second sliding part is equipped with the second auxiliary
Mouthful, second guide shaft sliding be arranged in second circular hole and be connected to second auxiliary port opposite two madial walls it
Between.
The turntable is equipped with gear in one of the embodiments, and the driving mechanism includes：
Rack, sliding are meshed set on the bottom of the pedestal and with the gear；And
Actuator, is set to the side of the pedestal, and is connect with the rack, and the actuator can drive the rack
It is moved along the first direction relative to the pedestal, the turntable is driven with the engaged transmission by the rack and the gear
Axial rotation of the relatively described pedestal around the gear.
The driving mechanism further includes at least one of following in one of the embodiments,：
Third auxiliary block, the third auxiliary block are set to the bottom of the pedestal, and rack sliding is arranged in described the
Three auxiliary blocks, the third auxiliary block are used for the relatively described pedestal of the rack along the mobile guide of the first direction；
Buffer, the buffer are set to side of the pedestal far from the actuator, and the buffer is for buffering
Shift motion of the relatively described pedestal of the rack along the first direction；And
Locating part, the locating part are set to side of the pedestal far from the actuator, and the locating part is for limiting
Shift motion of the relatively described pedestal of the rack along the first direction.
Further include at least one of following in one of the embodiments,：
Positioning plate, the positioning plate are set to the top of the pedestal, and the positioning plate is for workpiece phase described in auxiliary positioning
To the placement location of the pedestal；
Suction nozzle, the suction nozzle are set to the top of the pedestal, and the suction nozzle is used to adsorb the bottom of the workpiece；And
Sensor, the sensor are set to the top of the pedestal, and the sensor is for incuding the workpiece with respect to institute
It states the placement situation of pedestal and generates feedback signal.
The both ends of the pedestal are respectively equipped with sliding groove, two first clamping devices in one of the embodiments,
Sliding is arranged in two sliding grooves respectively.
Above-mentioned locking fixture, when driving mechanism driving disc opposite base rotates, two the first clamping devices edge respectively
Two the first circular holes movement, so that two the first clamping device opposite bases are close to each other along first direction and realize pair
The clamping of the both sides of workpiece；When driving mechanism driving disc opposite base backwards rotation, two the first clamping devices edge respectively
Two the first circular holes inversely move, so that two the first clamping device opposite bases are located remotely from each other simultaneously in fact along first direction
Now to the release of the both sides of workpiece.Therefore, above-mentioned locking fixture is operated by mechanical automation instead of traditional manual adjusting
The troublesome operation that block is brought with clamp or release workpiece has the characteristics that easy to operate, clamping efficiency is high.
Description of the drawings
Fig. 1 is that the locking fixture in one embodiment of the invention assembles the assembling schematic diagram after workpiece；
Fig. 2 is the part-structure schematic diagram of locking fixture shown in Fig. 1；
Fig. 3 is the partial cutaway schematic of locking fixture shown in Fig. 2；
Fig. 4 is the enlarged diagram at A in Fig. 2；
Fig. 5 is the structural schematic diagram of locking fixture shown in Fig. 1.
Specific implementation mode
To facilitate the understanding of the present invention, below with reference to relevant drawings to invention is more fully described.In attached drawing
Give the better embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not offered as being unique embodiment.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant Listed Items.
As shown in Figures 1 and 2, the locking fixture 100 in one embodiment of the invention includes pedestal 110, turntable 120, two
First clamping device 130 and driving mechanism 140.The top of pedestal 110 is for carrying workpiece 200.The rotation of turntable 120 is set to pedestal
110 bottom.The both ends of turntable 120 are respectively equipped with the first circular hole 122.First circular hole 122 is with the rotation center of turntable 120
Extend for center of circle circular arc.Every 1 first clamping device 130 slides against in corresponding one the first circular hole 122 and extends to
The top of pedestal 110.Two the first clamping devices 130 are respectively used to support the both sides of workpiece 200.Driving mechanism 140 and turntable
120 connections.Driving mechanism 140 can 120 opposite base 110 of driving disc rotation, with drive two the first clamping devices 130 divide
Do not moved along two the first circular holes 122, and then so that two 130 opposite bases 110 of the first clamping device along first direction phase
Mutually closer or far from.
Above-mentioned locking fixture 100, when 140 driving disc of driving mechanism, 120 opposite base 110 rotates, two first folders
It holds mechanism 130 to move along two the first circular holes 122 respectively, so that two 130 opposite base of the first clamping device, 110 edges
The clamping that first direction is close to each other and realization is to the both sides of workpiece 200；When 140 driving disc of driving mechanism, 120 opposite base
When 110 backwards rotation, two the first clamping devices 130 are inversely moved along two the first circular holes 122 respectively, so that two
First clamping device, 130 opposite base 110 is located remotely from each other along first direction and realizes the release of the both sides to workpiece 200.Therefore,
Above-mentioned locking fixture 100 is operated instead of traditional manual adjusting block by mechanical automation with clamp or release workpiece 200
The troublesome operation brought has the characteristics that easy to operate, clamping efficiency is high.
For ease of description, in the present embodiment, it is the rectilinear direction where X-axis to define first direction.Two the first circular arcs
The interval of hole 122 is set to turntable 120 along the both ends of rectilinear direction where X-axis.Two the first clamping devices 130 are respectively used to support work
The both sides of the length direction (along rectilinear direction where X-axis) of part 200.Driving mechanism 140 being capable of 120 opposite base of driving disc
110 rotations, to drive two the first clamping devices 130 to be moved respectively along two the first circular holes 122, and then so that two first
130 opposite base 110 of clamping device is close to each other or separate along rectilinear direction where X-axis.
Please refer to Fig. 3, in one embodiment, every 1 first clamping device 130 slides against at corresponding one
In one circular hole 122 and extension is worn to the top of pedestal 110.Two the first clamping devices 130 slide respectively is arranged in pedestal
110 both ends.Two the first clamping devices 130 slide respectively is arranged in pedestal 110 along the both ends of first direction.In an embodiment
In, the both ends of pedestal 110 are respectively equipped with sliding groove 112.Two sliding grooves 112 are set to pedestal 110 along the both ends of first direction.Two
A first clamping device 130 slides be arranged in two sliding grooves 112 respectively.
As shown in Figures 2 and 3, in one embodiment, every 1 first clamping device 130 includes the first clamping member 131 and the
One sliding part 132.The sliding of the first clamping member 131 is arranged in pedestal 110.Two the first clamping members 131 are slided be arranged in base respectively
The both ends of seat 110.Two the first clamping members 131 are respectively used to support the both sides of workpiece 200.Specifically in the present embodiment, two
The first clamping member 131 is slided be arranged in two sliding grooves 112 respectively.Two the first clamping members 131 are respectively used to support workpiece 200
Length direction both sides.
As shown in Figures 2 and 3, the sliding of the first sliding part 132 is set on the bottom of pedestal 110.One end of first sliding part 132
It is connect with the first clamping member 131, the other end of the first sliding part 132 slides against in the first circular hole 122.Two first cunnings
Moving part 132 is arranged along the bottom interval of first direction opposite base 110.Two the first sliding parts 132 are pressed from both sides with two first respectively
Gripping member 131 and two the first circular holes 122 correspond.
Driving mechanism 140 can the rotation of 120 opposite base 110 of driving disc, to drive two the first sliding parts 132 difference
It is moved along two the first circular holes 122, and then to drive two 131 opposite bases 110 of the first clamping member mutual along first direction
Closer or far from the clamping to the both sides of the length direction of workpiece 200 or pine eventually by two realizations of the first clamping members 131
It opens.
As shown in Fig. 2, in one embodiment, every 1 first clamping device 130 further includes the first auxiliary block 133.First is auxiliary
Block 133 is helped to be set to the bottom of pedestal 110.The sliding of first sliding part 132 is arranged in the first auxiliary block 133.First auxiliary block 133 is used
In the mobile guide to 132 opposite base 110 of the first sliding part along first direction.In the present embodiment, two the first auxiliary blocks
133 along first direction opposite base 110 bottom interval be arranged.Two the first auxiliary blocks 133 respectively with two the first sliding parts
132 correspond.
As shown in Figures 2 and 4, in one embodiment, every 1 first clamping device 130 further includes the first guide shaft 134.First
The other end of sliding part 132 is equipped with the first auxiliary port 135.The sliding of first guide shaft 134 is arranged in the first circular hole 122 and is connected to
Between opposite two madial walls of first auxiliary port 135.Two the first guide shafts 134 respectively with two the first sliding parts 132 and two
First circular hole 122 corresponds.Specifically, driving mechanism 140 can 120 opposite base 110 of driving disc rotation, with drive
Two the first guide shafts 134 are moved along two the first circular holes 122 respectively, and then to drive two 132 opposite bases of the first sliding part
Seat 110 is close to each other or separate along first direction.
As shown in Fig. 2, in one embodiment, the other both ends of turntable 120 further respectively have the second circular hole 124.Second
Circular hole 124 extends by center of circle circular arc of the rotation center of turntable 120.Above-mentioned locking fixture 100 further includes two second clampings
Mechanism 150.Every 1 second clamping device 150 slides against in corresponding one the second circular hole 124 and extends to pedestal 110
Top.Two the second clamping devices 150 are respectively used to support the other both sides of workpiece 200.
Driving mechanism 140 can the rotation of 120 opposite base 110 of driving disc so that two the first clamping devices 130 are opposite
While pedestal 110 is close to each other or separate along first direction, synchronizing makes two the second clamping devices 150 respectively along two second
Circular hole 124 moves, so that two 150 opposite bases 110 of the second clamping device are along the second direction phase vertical with first direction
Mutually closer or far from the synchronous clamping to the other both sides of workpiece 200 or pine eventually by two the second clamping devices 150 realizations
It opens so that the Set and Positioning of 200 opposite base 110 of workpiece is more stablized.Two the second clamping devices 150 slide respectively to be arranged in
The other both ends of pedestal 110.
In the present embodiment, it is the rectilinear direction where Y-axis to define second direction.Two the second circular hole 124 intervals are set
In turntable 120 along the both ends of rectilinear direction where Y-axis.Two the second clamping devices 150 are respectively used to support the width of workpiece 200
The both sides in direction (along rectilinear direction where Y-axis).Driving mechanism 140 can 120 opposite base 110 of driving disc rotation so that
While two 130 opposite bases 110 of the first clamping device are close to each other or separate along the rectilinear direction where X-axis, synchronizing makes
Two the second clamping devices 150 are moved along two the second circular holes 124 respectively, so that two 150 opposite bases of the second clamping device
Seat 110 is close to each other or separate along the rectilinear direction where Y-axis.
As shown in Fig. 2, in one embodiment, every 1 second clamping device 150 slides against to be justified at corresponding one second
In arc hole 124 and extension is worn to the top of pedestal 110.Two the second clamping devices 150 slide respectively is arranged in pedestal 110
In addition both ends.Two the second clamping devices 150 slide respectively is arranged in the both ends of pedestal 110 in a second direction.In an embodiment
In, the other both ends of pedestal 110 are respectively equipped with auxiliary tank 114.Two auxiliary tanks 114 are set to two of pedestal 110 in a second direction
End.Two the second clamping devices 150 slide respectively is arranged in two auxiliary tanks 114.
As shown in Fig. 2, in one embodiment, every 1 second clamping device 150 is slided including the second clamping piece 151 and second
Part 152.The sliding of second clamping piece 151 is arranged in pedestal 110.Two the second clamping pieces 151 slide respectively is arranged in pedestal 110
In addition both ends.Two the second clamping pieces 151 are respectively used to support the other both sides of workpiece 200.Specifically in the present embodiment, two
Second clamping piece 151 slides be arranged in two auxiliary tanks 114 respectively.Two the second clamping pieces 151 are respectively used to support workpiece 200
Width direction both sides.
The sliding of second sliding part 152 is set on the bottom of pedestal 110.One end of second sliding part 152 and the second clamping piece 151
Connection, the other end of the second sliding part 152 slide against in the second circular hole 124.Two the second sliding parts 152 are along second party
It is arranged to the bottom interval of opposite base 110.Two the second sliding parts 152 respectively with two the second clamping pieces 151 and two
Two circular holes 124 correspond.
Driving mechanism 140 can the rotation of 120 opposite base 110 of driving disc so that two the first clamping devices 130 are opposite
While pedestal 110 is close to each other or separate along first direction, while two the second sliding parts 152 being made to justify respectively along two second
Arc hole 124 is moved, and then to drive two 151 opposite bases 110 of the second clamping piece close to each other or separate in a second direction, most
The clamp or release of the both sides to the width direction of workpiece 200 is realized by two the second clamping pieces 151 eventually.
As shown in Fig. 2, in one embodiment, every 1 second clamping device 150 further includes the second auxiliary block 153.Second is auxiliary
Block 153 is helped to be set to the bottom of pedestal 110.The sliding of second sliding part 152 is arranged in the second auxiliary block 153.Second auxiliary block 153 is used
In the mobile guide to 152 opposite base 110 of the second sliding part in a second direction.In the present embodiment, two the second auxiliary blocks
153 in a second direction opposite base 110 bottom interval setting.Two the second auxiliary blocks 153 respectively with two the second sliding parts
152 correspond.
As shown in Figures 2 and 4, in one embodiment, every 1 second clamping device 150 further includes the second guide shaft 154.Second
The other end of sliding part 152 is equipped with the second auxiliary port 155.The sliding of second guide shaft 154 is arranged in the second circular hole 124 and is connected to
Between opposite two madial walls of second auxiliary port 155.Specifically, driving mechanism 140 being capable of 120 opposite base 110 of driving disc
Rotation, to drive two the second guide shafts 154 to be moved respectively along two the second circular holes 124, and then to drive two second slidings
152 opposite base 110 of part is close to each other or separate in a second direction.
As shown in Figures 2 and 3, in one embodiment, turntable 120 is equipped with gear 160.Driving mechanism 140 includes rack
141 and actuator 142.The sliding of rack 141 is meshed set on the bottom of pedestal 110 and with gear 160.Actuator 142 is set to base
The side of seat 110, and connect with rack 141.Actuator 142 can 141 opposite base 110 of drive rack along first direction move
It is dynamic, drive 120 opposite base 110 of turntable around the axial rotation of gear 160 with the engaged transmission by rack 141 and gear 160.
As shown in Fig. 2, in one embodiment, driving mechanism 140 further includes third auxiliary block 143.Third auxiliary block 143 is set
In the bottom of pedestal 110.The sliding of rack 141 is arranged in third auxiliary block 143.Third auxiliary block 143 is used for opposite to rack 141
Mobile guide of the pedestal 110 along first direction.In the present embodiment, third auxiliary block 143 includes two.Two third auxiliary blocks
143 along first direction opposite base 110 bottom interval be arranged.The sliding of rack 141 is arranged in two third auxiliary blocks 143.
As shown in Fig. 2, in one embodiment, driving mechanism 140 may also include buffer 144.Buffer 144 is set to pedestal
110 sides far from actuator 142.Buffer 144 moves row for buffering 141 opposite base 110 of rack along first direction
Journey, avoid because actuator 142 is excessive to the activation force of rack 141 lead to the excessive rotation of turntable 120 due to cause to workpiece
200 crush.
As shown in Fig. 2, in one embodiment, driving mechanism 140 may also include locating part 145.Locating part 145 is set to pedestal
110 sides far from actuator 142.Locating part 145 moves row for limiting 141 opposite base 110 of rack along first direction
Journey avoids causing pair along the continuing to move the excessive rotation for leading to turntable 120 of first direction because of 141 opposite base 110 of rack
Workpiece 200 crushes.
In one embodiment, locating part 145 is adjusting screw rod.Adjusting screw rod and side of the pedestal 110 far from actuator 142
It is screwed, and can be abutted with one end of rack 141.Adjusting screw rod is rotated, adjusting screw rod opposite base 110 can be driven along first
Direction is moved, so that 141 opposite base 110 of rack is adjustable along the shift motion of first direction, to meet various sizes of workpiece
The 200 fixed actual demand of clamping.
As shown in figure 5, in one embodiment, above-mentioned locking fixture 100 may also include positioning plate 170.Positioning plate 170 is set to
The top of pedestal 110.Positioning plate 170 is used for the placement location of 200 opposite base 110 of auxiliary positioning workpiece, different to ensure
The same position of pedestal 110 can be placed into when 200 110 feeding of opposite base of workpiece.
As shown in figure 5, further, in one embodiment, above-mentioned locking fixture 100 may also include suction nozzle 180.Suction nozzle
180 are set to the top of pedestal 110.Suction nozzle 180 is used to adsorb the bottom of workpiece 200, with 200 opposite base 110 of lifting workpieces
Clamping stability.In the present embodiment, suction nozzle 180 includes multiple.Multiple suction nozzles 180, which are arranged in array, is distributed in positioning plate 170
On, with the clamping stability of 200 opposite base 110 of further lifting workpieces.
As shown in figure 5, further, in one embodiment, above-mentioned locking fixture 100 may also include sensor 190.Sensing
Device 190 is set to the top of pedestal 110.In the present embodiment, sensor 190 is set on positioning plate 170.Sensor 190 is for feeling
It answers the placement situation of 200 opposite base 110 of workpiece and generates feedback signal.It is carried on pedestal 110 when sensor 190 senses
When workpiece 200, sensor 190 can generate feedback signal, and driving mechanism 140 can driving turns in time according to this feedback signal at this time
The rotation of 120 opposite base 110 of disk, and then realize clamping of two the first clamping devices 130 to the both sides of workpiece 200, it improves
The clamping efficiency of workpiece 200.
Each technical characteristic of above example can be combined arbitrarily, to keep description succinct, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield is all considered to be the range of this specification record.
Only several embodiments of the present invention are expressed for above example, the description thereof is more specific and detailed, but can not
Therefore it is construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art,
Under the premise of not departing from present inventive concept, various modifications and improvements can be made, these are all within the scope of protection of the present invention.
Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of locking fixture, which is characterized in that including：
Pedestal, the top of the pedestal is for carrying workpiece；
Turntable, set on the bottom of the pedestal, the both ends of the turntable are respectively equipped with the first circular hole, first circular arc for rotation
Hole extends by center of circle circular arc of the rotation center of the turntable；
Two the first clamping devices, each first clamping device slide against in corresponding one first circular hole
And the top of the pedestal is extended to, two first clamping devices are respectively used to support the both sides of the workpiece；And
Driving mechanism is connect with the turntable, and the driving mechanism can drive the turntable to be rotated relative to the pedestal, with band
It moves two first clamping devices to move along two first circular holes respectively, and then so that two first clamping machines
The relatively described pedestal of structure is close to each other or separate along first direction.
2. locking fixture according to claim 1, which is characterized in that each first clamping device includes：
The first clamping member, sliding are arranged in the pedestal, and two the first clamping members are slided respectively is arranged in the pedestal
Both ends, two the first clamping members are respectively used to support the both sides of the workpiece；And
First sliding part, sliding are set to the bottom of the pedestal, and one end of first sliding part and the first clamping member
Connection, the other end of first sliding part slide against in first circular hole.
3. locking fixture according to claim 2, which is characterized in that each first clamping device further includes first auxiliary
Block, first auxiliary block is helped to be set to the bottom of the pedestal, the first sliding part sliding is arranged in first auxiliary block,
First auxiliary block is used for the relatively described pedestal of first sliding part along the mobile guide of the first direction；And/or
Each first clamping device further includes the first guide shaft, and the other end of first sliding part is equipped with the first auxiliary port,
The first guide shaft sliding is arranged in first circular hole and is connected between opposite two madial walls of first auxiliary port.
4. locking fixture according to claim 1, which is characterized in that the other both ends of the turntable further respectively have second
Circular hole, second circular hole extend by center of circle circular arc of the rotation center of the turntable；
The locking fixture further includes two the second clamping devices, and each second clamping device slides against corresponding one
A second circular hole is interior and extends to the top of the pedestal；Two second clamping devices are respectively used to support described
The other both sides of workpiece, the driving mechanism can drive the turntable to be rotated relative to the pedestal, so that two described first
While the relatively described pedestal of clamping device is close to each other or separate along first direction, synchronizing makes two second clamping devices
It is moved respectively along two second circular holes, so that the relatively described pedestal edge of two second clamping devices and described first
The vertical second direction in direction is close to each other or separate.
5. locking fixture according to claim 4, which is characterized in that each second clamping device includes：
Second clamping piece, sliding are arranged in the pedestal, and two second clamping pieces slide be arranged in the pedestal respectively
In addition both ends, two second clamping pieces are respectively used to support the other both sides of the workpiece；And
Second sliding part, sliding are set to the bottom of the pedestal, and one end of second sliding part and second clamping piece
Connection, the other end of second sliding part slide against in second circular hole.
6. locking fixture according to claim 5, which is characterized in that each second clamping device further includes second auxiliary
Block, second auxiliary block is helped to be set to the bottom of the pedestal, the second sliding part sliding is arranged in second auxiliary block,
Second auxiliary block is used for the relatively described pedestal of second sliding part along the mobile guide of the second direction；And/or
Each second clamping device further includes the second guide shaft, and the other end of second sliding part is equipped with the second auxiliary port,
The second guide shaft sliding is arranged in second circular hole and is connected between opposite two madial walls of second auxiliary port.
7. locking fixture according to claim 1, which is characterized in that the turntable is equipped with gear, the driving mechanism
Including：
Rack, sliding are meshed set on the bottom of the pedestal and with the gear；And
Actuator, is set to the side of the pedestal, and is connect with the rack, and the actuator can drive the rack opposite
The pedestal is moved along the first direction, drives the turntable opposite with the engaged transmission by the rack and the gear
Axial rotation of the pedestal around the gear.
8. locking fixture according to claim 7, which is characterized in that the driving mechanism further include it is following at least one
It is a：
Third auxiliary block, the third auxiliary block are set to the bottom of the pedestal, and it is auxiliary that the rack sliding is arranged in the third
Block, the third auxiliary block is helped to be used for the relatively described pedestal of the rack along the mobile guide of the first direction；
Buffer, the buffer are set to side of the pedestal far from the actuator, and the buffer is described for buffering
Shift motion of the relatively described pedestal of rack along the first direction；And
Locating part, the locating part are set to side of the pedestal far from the actuator, and the locating part is described for limiting
Shift motion of the relatively described pedestal of rack along the first direction.
9. locking fixture according to claim 1, which is characterized in that further include at least one of following：
Positioning plate, the positioning plate are set to the top of the pedestal, and the positioning plate is for workpiece described in auxiliary positioning with respect to institute
State the placement location of pedestal；
Suction nozzle, the suction nozzle are set to the top of the pedestal, and the suction nozzle is used to adsorb the bottom of the workpiece；And
Sensor, the sensor are set to the top of the pedestal, and the sensor is for incuding the relatively described base of the workpiece
The placement situation of seat simultaneously generates feedback signal.
10. locking fixture according to claim 1, which is characterized in that the both ends of the pedestal are respectively equipped with sliding groove, and two
A first clamping device slides respectively is arranged in two sliding grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810772401.7A CN108637740A (en) | 2018-07-13 | 2018-07-13 | Locking fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810772401.7A CN108637740A (en) | 2018-07-13 | 2018-07-13 | Locking fixture |
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| CN109352383A (en) * | 2018-11-16 | 2019-02-19 | 东莞长盈精密技术有限公司 | Alignment positioning device |
| CN109834479A (en) * | 2019-02-25 | 2019-06-04 | 浙江华亿电气有限公司 | Two-way clamping integrates fixture |
| CN112025569A (en) * | 2019-06-03 | 2020-12-04 | 京元电子股份有限公司 | Connector clamping mechanism |
| CN112453439A (en) * | 2020-11-04 | 2021-03-09 | 大族激光科技产业集团股份有限公司 | Positioning mechanism and detection flaw detection device |
| CN113458817A (en) * | 2020-03-31 | 2021-10-01 | 富鼎电子科技(嘉善)有限公司 | Rotary positioning device |
| CN114131531A (en) * | 2021-12-10 | 2022-03-04 | 万津实业(赤壁)有限公司 | Positioning and clamping device |
| CN115922386A (en) * | 2022-11-29 | 2023-04-07 | 广东科杰技术股份有限公司 | Automatic center separating device for sheet workpieces |
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| CN115922386B (en) * | 2022-11-29 | 2023-10-27 | 广东科杰技术股份有限公司 | Automatic separating device for sheet workpieces |
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