CN108544404A - A kind of alignment positioning device - Google Patents
A kind of alignment positioning device Download PDFInfo
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- CN108544404A CN108544404A CN201810691545.XA CN201810691545A CN108544404A CN 108544404 A CN108544404 A CN 108544404A CN 201810691545 A CN201810691545 A CN 201810691545A CN 108544404 A CN108544404 A CN 108544404A
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- longitudinal
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- laterally
- contraposition component
- positioning device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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Abstract
The present invention relates to automatic production line technical fields, specifically disclose a kind of alignment positioning device, include the lateral centering body of pedestal and setting on the base, and the transverse direction centering body includes：Two groups laterally align component, are set on the pedestal, are used for the lateral centering of workpiece to be centred；Two toothed racks are arranged in parallel and laterally align on component described in being connected to two groups；Gear is engaged between two toothed rack；Transversal driving mechanism is connect so that described two groups laterally contraposition component synchronization counter motions with laterally contraposition component or the rack.It is gear ＆ rack structure that alignment positioning device provided by the invention, which drives two mechanisms that laterally contraposition component synchronization moves, it is simple in structure, it is at low cost, and two groups of teeth Movement consistency is strong, improve the accuracy of workpiece centering to be centred, the lateral centering that workpiece to be centred can be realized using a transversal driving mechanism, greatly reduces the cost of driving mechanism.
Description
Technical field
The present invention relates to automatic production line technical field more particularly to a kind of alignment positioning devices.
Background technology
In the production line of the electronic devices such as display panel or circuit board, display panel or wiring board are frequently necessary to be transported to
Behind position, the production operations such as subsequent processing is moved to by manipulator or is directly detected/scans.
In order to ensure that subsequent processing can be picked up and be moved to display panel or circuit board accurately by manipulator, or make to show
Show that panel or circuit board can be pin-pointed to detection/scanning station, alignment positioning device is usually set in the prior art, it is existing
Alignment positioning device in technology includes positioning system, and positioning system includes two contraposition components being oppositely arranged, and two right
Hyte part respectively and can pass sequentially through servo motor and belt transmission.
Drawback of the prior art is that due to being driven respectively, two contraposition component movement rates can be caused inconsistent, caused
Circuit board centering is inaccurate, and then brings centering less efficient, while cost is also higher.
Invention content
It is an object of the present invention to provide a kind of alignment positioning devices, to reduce manufacturing cost and improve work to be centred
The accuracy of part centering.
For this purpose, the present invention uses following technical scheme：
A kind of alignment positioning device, includes the lateral centering body of pedestal and setting on the base, and the transverse direction is right
Middle mechanism includes：
Two groups laterally align component, are set on the pedestal, are used for the lateral centering of workpiece to be centred；
Two toothed racks are arranged in parallel and laterally align on component described in being connected to two groups；
Gear is engaged between two toothed rack；
Transversal driving mechanism is connect so that described two groups laterally right with laterally contraposition component or the rack
Hyte part synchronous backward moves.
Preferably, the gear be single gear, connect it is described laterally contraposition component two toothed racks respectively with the list
The opposite sides of a gear engages.
Preferably, the gear is two layers coaxially connected of gear, two toothed racks of the laterally contraposition component are connected
It is engaged respectively with a gear in two layers of gear.
Preferably, being provided with the cross slide way consistent with the rack length direction on the pedestal, the transverse direction is right
It is connected with transverse slider on hyte part, the sliding slot being slidably matched with the cross slide way is provided on the transverse slider.
Preferably, the alignment positioning device further includes longitudinal centering mechanism, the transverse direction centering body and described vertical
Make workpiece to be centred centering in two mutually orthogonal directions to centering body；The longitudinal centering mechanism includes：
Longitudinal contraposition component, including the fixed longitudinal direction being set on the pedestal align component and are movably arranged at
Mobile longitudinal contraposition component on the pedestal.
Preferably, the laterally contraposition component and longitudinal contraposition component include push plate, the transverse direction is to hyte
It is provided with Fluency strip in the push plate of part and/or longitudinal contraposition component.
Preferably, the fixed longitudinal contraposition component and mobile longitudinal contraposition component also include be connected to it is described
The lifting cylinder of pedestal, the output end of the lifting cylinder are connect with the push plate.
Preferably, the longitudinal centering mechanism further includes longitudinal driving mechanism, the longitudinal driving mechanism is set to institute
It states on pedestal, the longitudinal driving mechanism is rodless cylinder, the sliding block of the rodless cylinder and mobile longitudinal contraposition component
Connection, to drive mobile longitudinal contraposition component movement.
Preferably, multiple sensors are both provided on the longitudinal centering mechanism and the lateral centering body, it is described
Multiple sensors are used to detect the workpiece to be centred and the laterally contraposition component or longitudinal spacing for aligning component
It is no to reach prepsetting gap.
Preferably, unpowered rolling assembly is provided on the pedestal, for carrying the workpiece to be centred.
Beneficial effects of the present invention：Alignment positioning device provided by the invention drives two laterally contraposition component synchronization movements
Mechanism be gear ＆ rack structure, it is simple in structure, it is at low cost, and two groups of teeth Movement consistency is strong, improves workpiece to be centred
The accuracy of centering；The lateral centering that workpiece to be centred can be realized using a transversal driving mechanism, greatly reduces drive
The cost of motivation structure.
Description of the drawings
Fig. 1 is the structural schematic diagram of the alignment positioning device in the embodiment of the present invention；
Fig. 2 is structural schematic diagram when longitudinal centering mechanism is not arranged for alignment positioning device in the embodiment of the present invention；
Fig. 3 is the enlarged drawing at A in Fig. 2；
Fig. 4 is the enlarged drawing at B in Fig. 2；
Fig. 5 is the enlarged drawing at C in Fig. 1.
In figure：
1, pedestal；
2, lateral centering body；21, component is laterally aligned；211, bottom plate；212, support plate；213, push plate；214, fluent
Item；22, gear；23, rack；24, transversal driving mechanism；25, cross slide way；26, connection strap；27, actuator guide rail；
3, longitudinal centering mechanism；31, fixed longitudinal contraposition component；311, holder；312, lifting cylinder；32, mobile longitudinal
Align component；33, longitudinal driving mechanism；34, longitudinal rail；
4, sensor；5, unpowered rolling assembly.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.It is appreciated that
It is that specific embodiment described herein is used only for explaining the present invention rather than limitation of the invention.It further needs exist for illustrating
, only the parts related to the present invention are shown for ease of description, in attached drawing and it is not all.
A kind of alignment positioning device is present embodiments provided, for the placed in the middle right of the electronic devices such as display panel or circuit board
In position, but not limited to this, in the contraposition placed in the middle that can be used for other workpiece to be centred, waited for pair with reducing manufacturing cost and raising
The accuracy of middle workpiece centering.
As illustrated in fig. 1 and 2, alignment positioning device provided in this embodiment includes pedestal 1 and the transverse direction that is arranged on pedestal 1
Centering body 2, lateral centering body 2 include two groups and laterally align component 21, gear 22, two toothed racks 23 and transversal driving mechanism
24.Two groups laterally align component 21 and are set on pedestal 1, are used for the lateral centering of workpiece to be centred；Two toothed racks 23 are parallel to be set
It sets and is connected to two groups and laterally align on component 21；Gear 22 is engaged between two toothed racks 23；Transversal driving mechanism 24
Laterally contraposition component 21 or a rack 23 are connect with one so that two groups of laterally contraposition 21 synchronous backward of component movements.
Specifically, two laterally contraposition components 21 be oppositely arranged, with synchronously can be close to each other or separate, and make to wait for pair
The lateral centering of middle workpiece, transversal driving mechanism 24 can be cylinder, oil cylinder or servo motor, or other can drive
The driving mechanism that laterally contraposition component 21 or rack 23 move.
Two toothed racks 23 are connected to two and laterally align on component 21, and are engaged with gear 22, make two toothed racks
23 can move synchronously；Laterally contraposition component 21 or a rack 23 are connect transversal driving mechanism 24 with one.Specifically, laterally driven
The piston rod of mechanism 24 is connected to one of laterally contraposition component 21.The movement of laterally contraposition component 21 is provided in the present embodiment
Direction is X-direction, and the direction vertical with X-direction is Y-direction, is laterally referred respectively in X-direction to neutralizing longitudinal centering in text
The centering of workpiece to be centred is realized with Y-direction.
It is gear ＆ rack structure, structure letter that alignment positioning device, which drives two mechanisms that laterally contraposition component 21 moves synchronously,
It is single, it is at low cost, and 23 Movement consistency of two groups of teeth item is strong, improves the accuracy of workpiece centering to be centred；Use a transverse direction
Driving mechanism 24 can realize the lateral centering of workpiece to be centred, greatly reduce the cost of driving mechanism.
Unpowered rolling assembly 5 is arranged at intervals on pedestal 1, for carrying workpiece to be centred, specifically, unpowered rolling
Dynamic component 5 can be roller, or other can be around the rolling assembly of own axis, the axis direction and X of roller
Direction is consistent, and workpiece setting to be centred moves convenient for workpiece to be centred relative to pedestal 1 on unpowered rolling assembly 5.
Transversal driving mechanism 24 in the present embodiment is connected to laterally contraposition component 21 or a rack 23,23 sliding tooth of rack
22 rotation of wheel, gear 22 drive another rack 23 to move, and then realize moving synchronously for another laterally contraposition component 21, ensure that
The exactitude position of workpiece to be centred in the X direction.
As shown in Figures 2 and 3, in the present embodiment, gear 22 is single gear 22, connects the two of laterally contraposition component 21
Toothed rack 23 is engaged with the opposite sides of the gear 22 respectively.Specifically, two racks 23 are separately fixed at two connection straps 26
On, one end of two connection straps 26 is separately fixed at two and laterally aligns on component 21, position corresponding with connection strap 26 on pedestal 1
It installs and is equipped with actuator guide rail 27, the downside of connection strap 26 is connected with guide block, offers on guide block and coordinates with actuator guide rail 27
Sliding slot, by the way that connection strap 26 is arranged, actuator guide rail 27 and guide block improve the stability that laterally contraposition component 21 moves.
In other embodiment, gear 22 can also be coaxially connected two layers of gear 22, connect two toothed racks of laterally contraposition component 21
23 engage with a gear 22 in two layers of gear 22 respectively, realize that two laterally align the close to each other or separate of component 21.
The more piece cross slide ways 25 consistent with 23 length direction of rack are provided on the downside of pedestal 1, laterally to hyte
It is connected with transverse slider on part 21, the sliding slot being slidably matched with cross slide way 25 is provided on transverse slider.
As shown in Figure 2 and Figure 4, laterally contraposition component 21 includes bottom plate 211, and the support being arranged at intervals on bottom plate 211
Plate 212, and the push plate 213 in 212 upper end of support plate is set, bottom plate 211 is located at the downside of pedestal 1, and transverse slider is arranged the bottom of at
On plate 211, support plate 212 is arranged between two unpowered rolling assemblies 5, and support plate 212 is arranged in the upside of pedestal 1, even
Narrow bars 26 are connect with bottom plate 211, so as to so that entire laterally contraposition component 21 moves in X direction.
As shown in Figure 1, alignment positioning device can also include longitudinal centering mechanism 3, longitudinal centering mechanism 3 makes work to be centred
Part centering in the Y direction；Longitudinal centering mechanism 3 includes longitudinal contraposition component.
As shown in Figure 1 and Figure 5, longitudinal contraposition component includes the fixed longitudinal contraposition component 31 being set on pedestal 1 and can
The mobile longitudinal contraposition component 32 being movably set on pedestal 1；Specifically, fixed longitudinal contraposition component 31 and movement are longitudinal right
Hyte part 32 is oppositely arranged, and mobile longitudinal contraposition component 32 is movably arranged on pedestal 1.
Longitudinal contraposition component is set so as to realize the centering of workpiece to be centred in the Y direction, workpiece to be centred is in the side X
Centering is carried out to Y-direction so that the position of workpiece to be centred is more accurate, and specifically, longitudinal component that aligns is located at two
Laterally on the center line of contraposition component 21 so that mobile longitudinal contraposition component 32 can abut to the middle part of workpiece to be centred, make to wait for
Centering workpiece uniform force avoids workpiece to be centred from occurring during being pushed crooked as possible.
Longitudinal centering mechanism 3 can also include the longitudinal driving mechanism 33 being set on pedestal 1, longitudinal driving mechanism 33
Output end is connect with mobile longitudinal contraposition component 32, with the mobile longitudinal contraposition component 32 of driving closer or far from fixed longitudinal contraposition
Component 31 realizes the workpiece side Y to be centred so as to which workpiece to be centred is pushed and is connected on fixed longitudinal contraposition component 31
To centering.
Longitudinal driving mechanism 33 is the rodless cylinder being fixed on pedestal 1, the sliding block of rodless cylinder and mobile longitudinal contraposition
Component 32 connects, and rodless cylinder is moved by the mobile longitudinal contraposition component 32 of movement driving of its sliding block, is occupied little space so that
Alignment positioning device is compact-sized.Pedestal 1 is additionally provided with longitudinal rail 34 in Y-direction, and mobile longitudinal contraposition component 32 connects
There is the sliding block being slidably matched with longitudinal rail 34.
Fixed longitudinal direction contraposition component 31 and mobile longitudinal contraposition component 32 include holder 311, lifting cylinder 312 and push plate
213.Holder 311 is arranged on pedestal 1, and the cylinder body of lifting cylinder 312 is arranged on holder 311, the piston rod of lifting cylinder 312
It is connect with push plate 213, one in holder 311 and fixed longitudinal contraposition component 31 and mobile longitudinal push plate 213 for aligning component 32
It is provided with sliding rail on a, the sliding block being slidably matched with sliding rail is provided on another, fixed longitudinal contraposition component 31 and movement are vertical
Push plate 213 to contraposition component 32 moves up and down under the driving of lifting cylinder 312 along guide rail.
When workpiece to be centred is flowed into alignment positioning device, lifting cylinder 312 drives push plate 213 to decline, and makes to be centred
Workpiece is successfully positioned on unpowered rolling assembly 5, and when needing Y-direction centering, lifting cylinder 312 drives in push plate 213
It rises.
It laterally is provided with Fluency strip 214 in the push plate 213 of contraposition component 21 and/or longitudinal contraposition component, Fluency strip 214 is excellent
Choosing is made of plastics, and specifically, two laterally align the side close to each other of component 21 and are both provided with Fluency strip 214, mobile vertical
It is both provided with Fluency strip 214 to contraposition component 32 and fixed longitudinal side close to each other of component 31 that aligns.Laterally contraposition component
Roller tangential direction on 21 Fluency strip 214 is consistent with Y-direction, correspondingly, the roller on longitudinal Fluency strip 214 for aligning component
It is consistent with X-direction to take turns tangential direction.After a workpiece to be centred direction centering wherein, direction contraposition component can be abutted to
Fluency strip 214 on, there is still a need for centerings in another direction, at this time Fluency strip 214 to ensure that work to be centred for workpiece to be centred
Part stable motion during in.
In the present embodiment, workpiece to be centred carries out the centering of X-direction first, and workpiece to be centred abuts at least one after centering
It is a then to carry out the centering of Y-direction along the Fluency strip 214 of Y-direction setting, after completion Y-direction is in, workpiece to be centred
It may be subjected to displacement in the X direction, therefore laterally contraposition component 21 and longitudinal contraposition component are respectively provided with Fluency strip 214, improve
The stability that workpiece to be centred moves during repeatedly in.
Multiple sensors 4 are both provided on longitudinal centering mechanism 3 and lateral centering body 2, multiple sensors 4 are for detecting
Whether the spacing of workpiece to be centred and laterally contraposition component 21 or longitudinal contraposition component reaches prepsetting gap.Specifically, with two
Laterally 21 corresponding two sensors 4 of contraposition component are arranged on bottom plate 211, biography corresponding with mobile longitudinal direction contraposition component 32
On holder 311, each sensor 4 moves the setting of sensor 4 with contraposition component synchronization accordingly, and aligns component with fixed longitudinal direction
31 corresponding sensors 4 are arranged on pedestal 1.Sensor 4 can be obstacle sensor 4, since obstacle sensor 4 is existing
There is technology, details are not described herein.
It is corresponding to pass when the spacing of workpiece to be centred and laterally contraposition component 21 or longitudinal contraposition component is prepsetting gap
Sensor 4 is able to detect that workpiece to be centred, specifically, the prepsetting gap can be 1-5mm, i.e., sensor 4 emit signal with
When the spacing of corresponding Fluency strip 214 is 1-5mm, corresponding sensor 4 is able to detect that workpiece to be centred, which does not limit to
In 1-5mm, as long as within the scope of the required precision of workpiece to be centred contraposition, i.e., component 21 is laterally aligned at two and is fixed
Before longitudinal contraposition component 31, mobile longitudinal contraposition component 32 clamp workpiece to be centred, laterally driven component is stopped, can be to prevent
Only workpiece to be centred is pressed from both sides bad.
When with two laterally contraposition components 21 relative to two sensors 4 detect workpiece to be centred after, laterally drive
Dynamic component is stopped, when two sensors 4 corresponding with fixed longitudinal contraposition component 31, mobile longitudinal direction contraposition component 32 are examined
After measuring workpiece to be centred, longitudinal centering mechanism 3 is stopped, to realize the centering of X and Y-direction, and will not be to be centred
Workpiece impacts.
The course of work of the alignment positioning device of the present embodiment is as follows：
1, workpiece to be centred enters in alignment positioning device；
2, transversal driving mechanism 24 works, and is waited for pair until being sensed with laterally corresponding two sensors 4 of contraposition component 21
Middle workpiece, transversal driving mechanism 24 are stopped, and workpiece to be centred realizes the centering in X-direction；
3, the fixed longitudinal contraposition component 31 of the driving of lifting cylinder 312 and mobile longitudinal contraposition component 32 rise, zigzag tread patterns
The mobile longitudinal contraposition component 32 of the driving of mechanism 33 moves, and mobile longitudinal contraposition component 32 drives workpiece to be centred close to mobile longitudinal
Component 32 is aligned, until two sensors 4 corresponding with longitudinal centering mechanism 3 sense workpiece to be centred, longitudinal driving mechanism
33 are stopped, and workpiece to be centred realizes the centering in X-direction；Any one sensor 4 is not sensed by workpiece to be centred, accordingly
Contraposition component movement on direction simultaneously drives workpiece centering to be centred, until four sensors 4 sense workpiece to be centred, side
Workpiece centering to be centred can be achieved；
4, lateral centering body 2 and 3 return of longitudinal centering mechanism fix longitudinal contraposition component 31 and mobile longitudinal direction to hyte
Part 32 is lowered back to place, while manipulator takes workpiece to be centred away.
Obviously, the above embodiment of the present invention is merely to clearly illustrate examples made by the present invention, and be not to this
The restriction of the embodiment of invention.It for those of ordinary skill in the art, on the basis of the above description can be with
It makes other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all in this hair
All any modification, equivalent and improvement etc., should be included in the claims in the present invention made by within bright spirit and principle
Within protection domain.
Claims (10)
1. a kind of alignment positioning device includes the lateral centering body (2) of pedestal (1) and setting on the pedestal (1), special
Sign is that the transverse direction centering body (2) includes：
Two groups laterally align component (21), are set on the pedestal (1), are used for the lateral centering of workpiece to be centred；
Two toothed racks (23) are arranged in parallel and laterally align on component (21) described in being connected to two groups；
Gear (22) is engaged between two toothed rack (23)；
Transversal driving mechanism (24) is connect so that described two with laterally contraposition component (21) or the rack (23)
Group laterally contraposition component (21) synchronous backward movement.
2. alignment positioning device according to claim 1, which is characterized in that the gear (22) is single gear (22),
Two toothed racks (23) for connecting the laterally contraposition component (21) are engaged with the opposite sides of the single gear (22) respectively.
3. alignment positioning device according to claim 1, which is characterized in that the gear (22) is coaxially connected two layers
Gear (22), connect it is described laterally contraposition component (21) two toothed racks (23) respectively with one in two layers of gear (22)
Gear (22) engages.
4. alignment positioning device according to claim 1, which is characterized in that be provided with and the tooth on the pedestal (1)
The consistent cross slide way (25) of item (23) length direction, described laterally align on component (21) are connected with transverse slider, the cross
The sliding slot being slidably matched with the cross slide way (25) is provided on sliding block.
5. alignment positioning device according to claim 1, which is characterized in that the alignment positioning device further includes longitudinal right
Middle mechanism (3), the transverse direction centering body (2) and the longitudinal centering mechanism (3) make workpiece to be centred be mutually perpendicular at two
Centering on direction；The longitudinal centering mechanism (3) includes：
Longitudinal contraposition component, including the fixed longitudinal direction being set on the pedestal (1) align component (31) and are movably disposed
In mobile longitudinal contraposition component (32) on the pedestal (1).
6. alignment positioning device according to claim 5, which is characterized in that it is described laterally contraposition component (21) and it is described indulge
Include push plate (213) to contraposition component, the push plate of the laterally contraposition component (21) and/or longitudinal contraposition component
(213) Fluency strip (214) is provided on.
7. alignment positioning device according to claim 6, which is characterized in that fixed longitudinal contraposition component (31) and institute
It states mobile longitudinal contraposition component (32) and also includes the lifting cylinder (312) for being connected to the pedestal (1), the lifting cylinder
(312) output end is connect with the push plate (213).
8. alignment positioning device according to claim 5, which is characterized in that the longitudinal centering mechanism (3) further includes indulging
To driving mechanism (33), the longitudinal driving mechanism (33) is set on the pedestal (1), and the longitudinal driving mechanism (33) is
Rodless cylinder, the sliding block of the rodless cylinder is connect with mobile longitudinal contraposition component (32), to drive the movement vertical
It is moved to contraposition component (32).
9. alignment positioning device according to claim 5, which is characterized in that the longitudinal centering mechanism (3) and the cross
Multiple sensors (4) are both provided on centering body (2), the multiple sensor (4) is for detecting the workpiece to be centred
Whether reach prepsetting gap with the spacing of the laterally contraposition component (21) or longitudinal contraposition component.
10. alignment positioning device according to claim 1, which is characterized in that be provided with unpowered rolling on the pedestal (1)
Dynamic component (5), for carrying the workpiece to be centred.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810691545.XA CN108544404A (en) | 2018-06-28 | 2018-06-28 | A kind of alignment positioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810691545.XA CN108544404A (en) | 2018-06-28 | 2018-06-28 | A kind of alignment positioning device |
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| CN201810691545.XA Pending CN108544404A (en) | 2018-06-28 | 2018-06-28 | A kind of alignment positioning device |
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| CN109434724A (en) * | 2018-12-29 | 2019-03-08 | 金刚钻包装科技(赣州)有限公司 | Positioning mechanism is used in a kind of production of casket |
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| EP3915908A2 (en) | 2020-05-04 | 2021-12-01 | Tkmatik Sp.z.o.o. | A clamping device for transporting and positioning packagings and a method for transporting and positioning packagings on conveyors |
| CN114131530A (en) * | 2021-12-09 | 2022-03-04 | 零声科技(苏州)有限公司 | Central axis aligning device and aligning method thereof |
| CN114252016A (en) * | 2022-03-01 | 2022-03-29 | 山东拓普地理信息工程有限公司 | Large-scale curved surface modeling product mapping device |
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|---|---|---|---|---|
| WO2020124680A1 (en) * | 2018-12-18 | 2020-06-25 | 昆山精讯电子技术有限公司 | Positioning mechanism |
| CN109434724A (en) * | 2018-12-29 | 2019-03-08 | 金刚钻包装科技(赣州)有限公司 | Positioning mechanism is used in a kind of production of casket |
| CN109434724B (en) * | 2018-12-29 | 2023-09-12 | 金刚钻包装科技(赣州)有限公司 | Positioning mechanism is used in casket production |
| EP3915908A2 (en) | 2020-05-04 | 2021-12-01 | Tkmatik Sp.z.o.o. | A clamping device for transporting and positioning packagings and a method for transporting and positioning packagings on conveyors |
| CN114131530A (en) * | 2021-12-09 | 2022-03-04 | 零声科技(苏州)有限公司 | Central axis aligning device and aligning method thereof |
| CN114131530B (en) * | 2021-12-09 | 2023-12-05 | 零声科技(苏州)有限公司 | Central axis alignment device and alignment method thereof |
| CN114252016A (en) * | 2022-03-01 | 2022-03-29 | 山东拓普地理信息工程有限公司 | Large-scale curved surface modeling product mapping device |
| CN114252016B (en) * | 2022-03-01 | 2022-04-26 | 山东拓普地理信息工程有限公司 | Large-scale curved surface modeling product mapping device |
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