CN212607573U - Multi-station conversion turntable mechanism - Google Patents

Abstract

The utility model provides a carousel mechanism of multistation conversion, including carousel and drive assembly, still include three at least sets of tools and two driver part, a driver part forms the material loading station rather than the tool combination of relative department, and another driver part forms the unloading station rather than the tool combination of relative department, and the tool that is not relative with the driver part on the carousel forms and is located processing station on the carousel. The utility model provides a carousel mechanism of multistation conversion sets up many sets of tool on the carousel, can add the tool in order to satisfy the demand of product processing according to manufacturing procedure's requirement, saved the shared space that the tool is located the carousel, thereby reduce the space size of carousel, the inertia and the load of drive assembly on lightening the carousel, every set of tool all can realize pressing from both sides tight, location and vacuum adsorption to the product, every set of tool does not need to debug drive part alone, the cost of debug time and debugging has been practiced thrift.

Description

Multi-station conversion turntable mechanism

Technical Field

The utility model belongs to the technical field of the automatic laser beam machining technique and specifically relates to a carousel mechanism of multistation conversion is related to.

Background

Along with the continuous upgrading of intelligent products, the requirement on the machining precision of important parts on intelligent equipment is higher and higher. At present, the mobile phone glass cover plate industry gradually adopts full-automatic processing equipment to carry out precision machining so as to ensure the precision and the efficiency of product production. In the production and processing process of the mobile phone glass cover plate, different processing stations such as a feeding station, a discharging station, a visual positioning station, a processing station, a rechecking station and the like are arranged aiming at different procedures. And a jig for clamping and positioning the product is required to be correspondingly arranged on each different processing station. And the jig on each station needs to be provided with a corresponding clamping and positioning component so as to ensure the fixation and accurate position of the product on the jig.

Among the current carousel formula station transform structure, in order to realize the transfer of product on the multistation, need install a plurality of tools on the carousel, every tool is connected by two mutually perpendicular's cylinder and guide rail, promotes the horizontal and fore-and-aft location of product on the tool by the clamp splice on the guide rail realization tool by the cylinder. Because not only need set up the tool on the carousel, still need add corresponding positioning control device to every tool for the increase of the design size of carousel also needs to match bigger rotary motor, cam wheel splitter or other power drive parts simultaneously. And moreover, the jig on each station needs to be debugged independently, so that the debugging time is increased, and the later maintenance cost is also increased. Therefore, in an automatic production line which needs a plurality of stations to operate simultaneously, the increase of the number of the stations and other parts brought by the jigs can increase the equipment size of the whole production line and the configuration of products.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve current automated production equipment, because the operation of multistation leads to the increase of tool quantity and other parts that add from this lead to the carousel design size among the carousel formula station transform structure to increase, correspond the shortcoming that the drive power of the drive unit who matches also corresponds has increased debugging time and later maintenance cost, provide a carousel mechanism of multistation conversion.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a carousel mechanism of multistation conversion, including the carousel, set up in carousel bottom drive the rotatory drive assembly of carousel, still including set up in at least three sets of tools at carousel top and two set up in the driver part in the carousel outside, one driver part with relative rather than the tool combination forms the material loading station, another driver part with relative rather than the tool combination forms the unloading station, on the carousel not relative with the driver part the tool forms and is located processing station on the carousel.

Further, the jig comprises a bottom plate fixedly connected with the rotary table, a receiving plate fixed on the bottom plate and used for placing a product, a clamping assembly arranged on the side face of the receiving plate and used for clamping the product, a control assembly arranged between the bottom plate and the receiving plate and driven by the driving part to adjust the clamping assembly, and a reset assembly arranged at the bottom of the bottom plate and connected with the clamping assembly.

Furthermore, the clamping assembly comprises a first positioning column and a second positioning column which are respectively positioned on two adjacent side surfaces of the bearing plate, a first clamping block which is positioned on the side surface of the bearing plate and is opposite to the first positioning column, and a second clamping block which is positioned on the side surface of the bearing plate and is opposite to the second positioning column; the control assembly comprises a first guide rail and a second guide rail which are fixed on the bottom surface of the bearing plate and are arranged vertically, a first sliding block which is positioned on the first guide rail and driven by the driving part, and a second sliding block which is positioned on the second guide rail and driven by the first sliding block; the first sliding block is fixedly connected with the first clamping block, and the second sliding block is fixedly connected with the second clamping block.

Specifically, one end of the second sliding block is fixedly connected with the second clamping block, the other end of the second sliding block is provided with a guide inclined plane abutted to the first sliding block, and the first sliding block moves along the guide inclined plane in the moving process to push the second sliding block to move towards the outer side of the bearing plate.

Specifically, first slider including set up in connecting plate, slurcam on the first guide rail and set up in on the slurcam with the promotion piece of the direction inclined plane butt of second slider, the one end of connecting plate with first grip block fixed connection, the other end can be in on the first guide rail with the slurcam butt, the other end of slurcam can with the drive component butt.

Specifically, the first clamping block is located on one side of the jig, which is far away from the driving part, and the driving part drives the first sliding block to move towards the side, which is far away from the driving part.

Furthermore, the reset assembly comprises a first reset spring and a second reset spring which are arranged on the bottom surface of the bearing plate and are perpendicular to each other, one end of the first reset spring and one end of the second reset spring are fixed at the bottom of the bearing plate, and the other end of the first reset spring and the other end of the second reset spring are fixedly connected with the clamping assembly respectively.

Further, still be provided with the gas circuit rotary joint on the carousel, accept to be equipped with on the board with the vacuum adsorption board that is used for adsorbing of gas circuit rotary joint intercommunication the product.

Further, the driving component is a driving air cylinder which is provided with a push rod for pushing the first sliding block to move.

Furthermore, four sets of jigs are arranged on the rotary table, and each jig is provided with one feeding station, one discharging station and two processing stations.

The utility model provides a carousel mechanism of multistation conversion's beneficial effect lies in: each set of jig is compact in design structure, and the loading and unloading operation of products can be realized only by arranging two driving parts on the outer side of the turntable; the number of the jigs arranged between the feeding station and the discharging station determines the number of the processing procedures carried out between the feeding station and the discharging station, at least one processing station can be arranged on the turntable according to the processing requirement, and the jigs can be additionally arranged on the turntable according to the different processing requirements; the turntable mechanism fully utilizes the space of the jig in the vertical direction, realizes the clamping and positioning of products, ensures the consistency and stability of the position of the product on each processing station, and saves the space occupied by the jig on the turntable, thereby reducing the space size of the turntable and lightening the rotational inertia and the load of a driving assembly on the turntable; each set of jig can realize clamping, positioning and vacuum adsorption to the product, and each set of jig does not need to debug the driving part independently, so that the debugging time and the debugging cost are saved.

Drawings

Fig. 1 is a schematic perspective view of a multi-station conversion turntable mechanism provided in the present invention;

fig. 2 is a full sectional view of a multi-station conversion turntable mechanism provided by the present invention;

fig. 3 is a schematic perspective view of a jig in a multi-station conversion turntable mechanism provided in the present invention;

fig. 4 is a schematic view of a three-dimensional exploded structure of a jig in a multi-station conversion turntable mechanism provided by the present invention;

fig. 5 is a state diagram of the multi-station conversion turntable mechanism of the present invention when the clamping assembly on the fixture is opened;

fig. 6 is a state diagram of the multi-station conversion turntable mechanism when the clamping assembly is clamped tightly.

In the figure: 100-a multi-station conversion turntable mechanism, 10-a turntable, 11-a driving component, 12-an air path rotary joint, 20-a jig, 21-a bottom plate, 22-a bearing plate, 23-a clamping component, 231-a first positioning column, 232-a second positioning column, 233-a first clamping block, 234-a second clamping block, 24-a control component, 241-a first guide rail, 242-a second guide rail, 243-a first sliding block, 2431-a connecting plate, 2432-a pushing plate, 2433-a pushing block, 244-a second sliding block, 2441-a first end of the second sliding block, 2442-a guide inclined plane, 25-a reset component, 251-a first reset spring, 252-a second reset spring, 253-a third reset spring, 26-a vacuum adsorption plate, 30-driving part, 31-push rod, 40-feeding station, 50-blanking station and 60-processing station.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 6, a multi-station conversion turntable mechanism 100 is provided. The multi-station conversion turntable mechanism 100 can be applied to an automatic processing production line of a glass cover plate of a smart phone, and products to be processed, namely the glass cover plate, are fixed and are transferred from one station to the next station for processing. The station design among this carousel mechanism 100 is compact, can reduce the power demand of the drive assembly who matches effectively when saving installation space to under the prerequisite of precision is being transferred in the assurance, practiced thrift the shared space of production line promptly, reduced the cost of production line, the time of debugging and the cost of later maintenance again.

As shown in fig. 1, a schematic perspective view of a multi-station conversion turntable mechanism 100 according to the present invention is provided. The multi-station conversion turntable mechanism 100 comprises a turntable 10, at least three sets of jigs 20 arranged at the top of the turntable 10, and two driving parts 30 arranged outside the turntable 10. As shown in fig. 2, a driving assembly 11 for driving the turntable 10 to rotate is disposed below the turntable 10 in the turntable mechanism 100, and the driving assembly 11 includes a rotation motor for driving the turntable 10 to rotate and a cam divider for controlling a rotation angle of each rotation of the turntable 10. Through the setting of drive assembly 11, can control the direction of rotation and the turned angle of carousel 10 and the tool 20 that sets up above carousel 10 in the course of the work effectively, guarantee the accurate switching of every tool 20 on carousel 10 between each station. And, be provided with gas circuit rotary joint 12 in the top of carousel 10, can be connected with tool 20 gas circuit to for tool 20 provides the vacuum environment, make tool 20 can play the effect of adsorbing product 90.

Further, in the present embodiment, four sets of jigs 20 are uniformly distributed on the turntable 10 along the circumferential direction of the turntable 10, and the driving parts 30 are correspondingly disposed on the outer sides of two adjacent jigs 20. One driving part 30 and the jig 20 opposite to the driving part are combined to form a feeding station 40, the other driving part 30 and the jig 20 opposite to the driving part are combined to form a blanking station 50, and the jig 20 which is not opposite to the driving part 30 on the turntable 10 forms a processing station 60 on the turntable 10. In the present embodiment, the turntable 10 has a loading station 40 and a unloading station 50, and the remaining two sets of jigs 20 form two processing stations 60 on the turntable 10. The processing station 60 may be positioned to provide other processing components to provide corresponding processing of the product 90 at the processing station 60. In the existing processing procedure of the mobile phone glass cover plate, stations such as a visual positioning station, a rechecking station, a photographing station, a laser processing station, a detection station and a polishing station are arranged, a jig 20 can be additionally arranged on the rotary table 10 according to the production requirement of actual processing, the additionally arranged jig 20 is arranged between the feeding station 40 and the discharging station 50, so that a plurality of processing stations 60 can be formed, and the conversion between the stations is realized along with the rotation of the rotary table 10. With the increase of the number of the jigs 20 on the rotary table 10, the corresponding air passage adapters 12 on the rotary table 10 also need to be correspondingly changed to the required number of the air passage adapters 12. In this embodiment, four sets of jigs 20 are disposed on the turntable 10, and the corresponding air passage adapters 12 are four-way sleeve air passage adapters.

Further, as shown in fig. 3-6, the present invention provides a schematic perspective view and an open and clamping state view of the jig 20 provided in the multi-station switching turntable mechanism 100. As shown in fig. 3-4, the jig 20 includes a bottom plate 21 fixedly connected to the turntable 10, a receiving plate 22 fixed on the bottom plate 21 for placing a product 90 thereon, a clamping assembly 23 disposed on a side of the receiving plate 22 for clamping the product 90, a control assembly 24 disposed between the bottom plate 21 and the receiving plate 22 and driven by a driving unit 30 to adjust the clamping assembly 23, and a reset assembly 25 disposed at the bottom of the bottom plate 21 and connected to the clamping assembly 23. The whole jig 20 is fixed on the turntable 10 through the bottom plate 21, and can realize switching of different stations along with rotation of the turntable 10. The product 90 to be processed is placed on the receiving plate 22 by an automated component such as a robot, the product 90 is clamped on the receiving plate 22 by the clamping component 23 on the side of the receiving plate 22, and the control component 24 can be driven by the driving component 30 arranged outside the turntable 10, so that the control component 24 can adjust the clamping and opening operations of the clamping component 23. Meanwhile, the reset assembly 25 is arranged to ensure that the clamping assembly 23 can always clamp the product 90 under the condition of no other external force, and the stability of the product 90 on the bearing plate 22 is ensured.

Specifically, as shown in fig. 3, the clamping assembly 23 in the fixture 20 includes a first positioning post 231 and a second positioning post 232 respectively located on two adjacent sides of the receiving plate 22, a first clamping block 233 located on the side of the receiving plate 22 and opposite to the first positioning post 231, and a second clamping block 234 located on the side of the receiving plate 22 and opposite to the second positioning post 232. The receiving plate 22 is a rectangular plate and thus has two oppositely disposed long sides and two oppositely disposed short sides. The first positioning posts 231 and the first clamping blocks 233 of the clamping assembly 23 are located on both sides of the long side of the bearing plate 22 for fixing both sides of the long side of the product 90 on the bearing plate 22. Second positioning posts 232 and second clamping blocks 234 are located on both sides of the short side of the receiving plate 22 for holding the short side of the product 90 on the receiving plate 22. The clamping of the product 90 in two mutually perpendicular directions in the horizontal direction can be achieved by means of the clamping assembly 23. The distance between the first clamping block 233 and the first positioning column 231 and the distance between the second clamping block 234 and the second positioning column 232 in the clamping assembly 23 are adjustable, so that the jig 20 can be suitable for processing and using products 90 in a certain size range, and for the field of processing of cover plates of smart phones, the use requirements of processing of cover plates of mobile phones with different models and sizes can be basically met.

Specifically, as shown in fig. 4-5, the control assembly 24 of the jig 20 includes a first guide rail 241 and a second guide rail 242 fixed on the bottom surface of the receiving plate 22 and disposed perpendicular to each other, a first slider 243 located on the first guide rail 241 and driven by the driving member 30, and a second slider 244 located on the second guide rail 242 and driven by the first slider 243; the first slider 243 is fixedly connected to the first holding block 233, and the second slider 244 is fixedly connected to the second holding block 234. The control assembly 24 may be driven by a drive member 30 outside the turntable 10. That is, the driving unit 30 may drive the first slider 243 to reciprocate on the first guide rail 241, and the first slider 243 may drive the second slider 244 to reciprocate on the second guide rail 242. The first rail 241 and the second rail 242 of the control assembly 24 are perpendicular to each other and disposed on the bottom surface of the receiving plate 22, and the direction of the first rail 241 is located in the direction of the connecting line between the first positioning column 231 and the first clamping block 233. The second guide rail 242 is disposed in the connecting direction of the second positioning column 232 and the second clamping block 234. The first sliding block 243 on the first guide rail 241 is fixedly connected to the first clamping block 233, so that the first sliding block 243 can drive the first clamping block 233 to move reciprocally relative to the first positioning post 231 when sliding on the first guide rail 241, thereby clamping and expanding two sides of the long side of the product 90. Similarly, the second sliding block 244 positioned on the second guiding rail 242 is fixedly connected to the second clamping block 234, so that when the second sliding block 244 slides relatively on the second guiding rail 242, the second clamping block 234 can be driven to reciprocate relatively to the second positioning column 232, thereby clamping and opening both sides of the short side of the product 90.

Specifically, as shown in fig. 5, one end 2441 of the second slider 244 in the control assembly 24 is fixedly connected to the second clamping block 234, and the other end is provided with a guide inclined surface 2442 abutting against the first slider 243, and the first slider 243 moves along the guide inclined surface 2442 to push the second slider 244 to move toward the outer side of the bearing plate 22. The second slider 244 has one end 2441 fixed to the second holding block 234 and the other guide slope 2442 inclined gradually toward the side having the second holding block 234 along the first holding block 233 toward the first positioning post 231. In this way, when the first slider 243 is pushed by the driving member 30 and moved in a direction away from the driving member 30, the first slider 243 always abuts against the second slider 244 and drives the second slider 244 to move, and the second slider 244 moves toward the outside of the receiving plate 22 in accordance with the movement of the first slider 243.

Further, as shown in fig. 2, in the multi-station transferring turntable mechanism 100 according to the present invention, the driving component 30 is a driving cylinder, and the driving cylinder has a push rod 31 for pushing the first slide block 243 to move. As shown in fig. 5, the first slider 243 in the control assembly 24 of the jig 20 is pushed by the push rod 31 to move on the first guide rail 241, and the first slider 243 drives the second slider 244 to move on the second guide rail 242 while the first slider 243 moves, so that the first clamping block 232 and the second clamping block 234 on the clamping assembly 23 are driven by the driving part 30 to be unfolded simultaneously.

Specifically, as shown in fig. 5, the first slider 243 includes a connecting plate 2431 disposed on the first rail 241, a pushing plate 2432, and a pushing block 2433 disposed on the pushing plate 2432 and abutted against the guide inclined surface 2442 of the second slider 244, one end of the connecting plate 2431 is fixedly connected to the first clamping block 233, the other end can be abutted against the pushing plate 2432 on the first rail 241, and the other end of the pushing plate 2432 can be abutted against the driving member 30. The first slider 243 on the first guide rail 241 is divided into two parts, wherein a pushing plate 2432 capable of abutting against the push rod 31 of the driving member 30 is provided near the driving member 30, and a connecting plate 2431 fixedly connected with the first clamping block 233 is provided near the clamping assembly 23. The connecting plate 2431 and the pushing plate 2432 are both disposed on the first rail 241 and can reciprocate along with the direction in which the first rail 241 is disposed. In this embodiment, the pushing block 2433 is a bearing mounting plate, and the pushing block 2433 is a bearing disposed on the bearing mounting plate, and the bearing is mounted on the bearing mounting plate by a fixed hinge.

Further, as shown in fig. 1 and fig. 2, in the multi-station switching turntable mechanism 100 according to the present invention, when the jig 200 is disposed opposite to the driving component 30, the first clamping block 233 disposed on the jig 20 is located on a side of the jig 20 away from the driving component 30, and the driving component 30 drives the first sliding block 243 to move toward a side away from the driving component 30. When the push rod 31 of the driving member 30 extends, it first abuts against the push plate 2432 of the first slider 243, and the push plate 2432 moves toward one side of the connecting plate 2431 of the first slider 243 until the push plate 2431 moves toward the side away from the driving member 30, so that the first clamping block 233 moves toward the side away from the first positioning column 231, and the two sides of the long side of the product 90 are opened. Meanwhile, the second slider 244 on the control assembly 24 is driven by the first slider 243 to push the second clamping block 234 to move towards the side away from the second positioning column 232, so as to open both sides of the short side of the product 90, thereby achieving the open state of the clamping assembly 23 as shown in fig. 5.

In the embodiment, the opening of the clamping assembly 23 on the jig 20 needs to be realized through the driving part 30 in both the loading station 40 and the unloading station 50, and the clamping assembly 23 is opened in the loading station 40, so that the product 90 to be processed can be placed on the jig 20 through a manipulator; at the blanking station 50, the gripper assembly 23 is opened and the machined product 90 can be removed by the robot. When the product 90 is placed on the loading station 40, the push rod 31 of the driving part 30 is withdrawn, and at this time, the clamping operation of the clamping assembly 23 can be realized through the resetting assembly 25. Similarly, after the processed product 90 at the blanking station 50 is removed, the push rod 31 of the driving part 30 is withdrawn, and the clamping of the clamping assembly 23 is also realized through the resetting assembly 25 at the jig 20.

As shown in fig. 4-6, in the turntable mechanism 100 with multi-station conversion provided by the present invention, the reset component 25 on the jig 20 includes a first reset spring 251 and a second reset spring 252 which are disposed on the bottom surface of the receiving plate 22 and are perpendicular to each other, one end of the first reset spring 251 and one end of the second reset spring 252 are both fixed on the bottom of the receiving plate 22, and the other ends are respectively fixedly connected with the clamping component 23. The first return spring 251 is disposed parallel to the first guide rail 241, wherein one end of the first return spring 251 is fixed to the bottom of the receiving plate 22, and the other end is fixed to the first clamping block 233. When the push rod 31 of the driving member 30 is withdrawn from the jig 20, the first clamping block 233 is acted by the spring force of the first return spring 251, so that the first clamping block 233 moves toward the first positioning column 231, and the product 90 on the receiving plate 22 is clamped. As shown in fig. 3, the first slider 243 has two parts, namely a connecting plate 2431 and a pushing plate 2432. The first return spring 251 drives the first clamping block 233 to return. A third return spring 253 is further disposed on a side surface of the connecting plate 2431, the third return spring 253 is disposed in parallel with the first return spring 251, one end of the third return spring 253 is fixed to the bottom of the receiving plate 22, and the other end of the third return spring 253 is fixed to the connecting plate 2431, so that the third return spring 253 can return along with the spring force of the third return spring 253 to further drive the first clamping block 233 to return. Similarly, the second return spring 252 of the return assembly 25 is disposed parallel to the second guide rail 242, one end of the second return spring 252 is fixed to the bottom of the receiving plate 22, and the other end is fixed to the second clamping block 234, so as to drive the second clamping block 234 to return.

Further, as shown in fig. 1-3, when the clamping component 23 on the fixture 20 clamps the product 90 on the receiving plate 22, the fixture 20 already clamps and positions the product 90. The receiving plate 22 of the jig 20 is provided with a vacuum adsorption plate 26 communicated with the air path rotary joint 12 for adsorbing the product 90. The vacuum adsorption plate 26 is communicated with the air path of the air path rotary joint 12 to form a vacuum environment, so that the product 90 is adsorbed on the bearing plate 22, and the adsorption of the jig 20 on the product 90 is realized.

The utility model provides a carousel mechanism 100 of multistation conversion sets up many sets of tool 20 on carousel 10, and the design structure of each set of tool 20 is compact, only can realize the clamp tightly and the location to product 90 through the mutually supporting of centre gripping subassembly 23 and control assembly 24, and this carousel mechanism 100 only needs to set up two drive unit 34 alone in the side of carousel 20 can realize the material loading and unloading operation to product 90; the number of the jigs 20 arranged between the feeding station 40 and the discharging station 50 determines the proficiency of the processing procedure carried out between the feeding and the discharging, at least one processing station 60 can be arranged on the turntable 10 according to the processing requirement, and the jigs 20 can be additionally arranged on the turntable 10 according to the different processing requirements; the turntable mechanism 100 fully utilizes the space in the vertical direction of the jig 20, realizes clamping and positioning of the product 90, ensures the consistency and stability of the position of the product 90 on each processing station 60, and saves the space occupied by the jig 20 on the turntable 10, thereby reducing the space size of the turntable 10 and lightening the rotational inertia and the load of the driving component 11 on the turntable 10; each set of jig 20 can realize clamping, positioning and vacuum adsorption of the product 90, and each set of jig 20 does not need to debug the driving part 30 independently, so that the debugging time and the debugging cost are saved.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a carousel mechanism of multistation conversion, including the carousel, set up in carousel bottom drive the rotatory drive assembly of carousel, its characterized in that, still including set up in at least three sets of tools at carousel top and two set up in the driver part in the carousel outside, one driver part with relative rather than the tool combination forms the material loading station, another driver part with relative rather than the tool combination forms the unloading station, on the carousel not relative with the driver part the tool forms and is located processing station on the carousel.

2. A multi-station switching turntable mechanism according to claim 1, wherein said fixture comprises a bottom plate fixedly connected to said turntable, a receiving plate fixed to said bottom plate for placing a product thereon, a clamping assembly disposed on a side of said receiving plate for clamping said product, a control assembly disposed between said bottom plate and said receiving plate and driven by said driving member to adjust said clamping assembly, and a reset assembly disposed at a bottom of said bottom plate and connected to said clamping assembly.

3. A multi-station switching turntable mechanism according to claim 2, wherein said clamping assembly comprises a first positioning post and a second positioning post respectively located on two adjacent sides of said receiving plate, a first clamping block located on the side of said receiving plate opposite to said first positioning post, and a second clamping block located on the side of said receiving plate opposite to said second positioning post; the control assembly comprises a first guide rail and a second guide rail which are fixed on the bottom surface of the bearing plate and are arranged vertically, a first sliding block which is positioned on the first guide rail and driven by the driving part, and a second sliding block which is positioned on the second guide rail and driven by the first sliding block; the first sliding block is fixedly connected with the first clamping block, and the second sliding block is fixedly connected with the second clamping block.

4. A multi-station switching turntable mechanism as claimed in claim 3, wherein one end of the second slide block is fixedly connected to the second clamping block, and the other end is provided with a guiding inclined plane abutting against the first slide block, and the first slide block moves along the guiding inclined plane during moving to push the second slide block to move towards the outer side of the bearing plate.

5. A multi-station switching turntable mechanism as claimed in claim 4, wherein said first slide block comprises a connecting plate disposed on said first guide rail, a pushing plate and a pushing block disposed on said pushing plate and abutting against the guiding inclined surface of said second slide block, one end of said connecting plate is fixedly connected to said first clamping block, the other end of said connecting plate can abut against said pushing plate on said first guide rail, and the other end of said pushing plate can abut against said driving member.

6. A multi-station switching turntable mechanism according to claim 3, wherein said first clamping block is located on a side of said jig away from said driving means, and said driving means drives said first slide block to move towards said side away from said driving means.

7. A multi-station switching turntable mechanism according to claim 2, wherein said reset assembly comprises a first reset spring and a second reset spring, which are disposed on the bottom surface of said supporting plate and perpendicular to each other, one end of each of said first reset spring and said second reset spring is fixed to the bottom of said supporting plate, and the other end of each of said first reset spring and said second reset spring is fixedly connected to said clamping assembly.

8. A multi-station switching rotary table mechanism as claimed in claim 2, wherein said rotary table is further provided with a gas path rotary joint, and said receiving plate is provided with a vacuum adsorption plate communicated with said gas path rotary joint for adsorbing said product.

9. A multi-station switching turntable mechanism according to any one of claims 3, 5 and 6, wherein the driving means is a driving cylinder having a push rod for pushing the first slide block to move.

10. A multi-station conversion turntable mechanism according to any one of claims 1 to 8, wherein four sets of jigs are provided on the turntable, having one said loading station, one said unloading station and two said processing stations.

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