CN218878673U

CN218878673U - Clamping assembly and taking and placing clamp

Info

Publication number: CN218878673U
Application number: CN202223166336.4U
Authority: CN
Inventors: 刘刚; 孙兵; 季峰; 常远
Original assignee: Suzhou Vega Technology Co Ltd
Current assignee: Suzhou Vega Technology Co Ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-04-18
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to the technical field of clamp tools, in particular to a clamping assembly and a taking and placing clamp, which mainly comprises a friction strip and a connecting plate, wherein the end part of the connecting plate is connected with the friction strip, and the side edge of the friction strip is used for abutting against the side edge of a material; be provided with rotary mechanism on the connecting plate, partial rotary mechanism can rotate the lower terminal surface department and the bearing material of material. The flexible applicability of this centre gripping subassembly can improve stability and the reliability to material centre gripping, transfer, practices thrift the cost. The picking and placing clamp is low in cost and high in stability.

Description

Clamping assembly and taking and placing clamp

Technical Field

The utility model relates to an anchor clamps frock technical field especially relates to a centre gripping subassembly and get and put anchor clamps.

Background

At present, the PCB is generally required to be transferred from one station to another station in the processing process of the PCB so as to realize the processing and manufacturing of the PCB. Adopt vacuum chuck to adsorb and transport the PCB board among the prior art usually, but vacuum chuck can not adsorb foraminiferous PCB board well, reduces adsorption effect, causes the risk that the PCB board drops very easily at the in-process of transporting the PCB board like this, harms the PCB board to increase cost.

Therefore, it is desirable to design a clamping assembly and a pick-and-place fixture to solve the technical problems in the prior art.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide a clamping component, this clamping component is nimble extensive applicability, can improve the stability and the reliability to material centre gripping, transfer, practices thrift the cost.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a clamping assembly, include:

the material conveying device comprises a connecting plate, wherein a rotating mechanism is arranged on the connecting plate, and part of the rotating mechanism can rotate to the lower end face of a material and bear the material.

As an optional technical scheme of the clamping assembly, the clamping assembly comprises a friction strip, the friction strip is arranged at the end of the connecting plate, and the side edge of the friction strip is used for abutting against the side edge of the material.

As an optional technical scheme of the clamping assembly, a plurality of wavy stripes are arranged on one side, close to the material, of the friction strip.

As an optional technical scheme of a clamping component, rotary mechanism include revolving cylinder and with revolving cylinder rotates the rotatory clamping jaw of being connected, revolving cylinder sets up on the connecting plate, revolving cylinder can drive part rotatory clamping jaw rotates to the lower terminal surface department of material and bearing the material.

As an optional technical scheme of a centre gripping subassembly, rotatory clamping jaw include the rotation portion and with the supporting part that the rotation portion is connected, the rotation portion with revolving cylinder connects, revolving cylinder can drive the rotation portion and rotate to make the supporting part can the bearing the lower terminal surface of material.

As an optional technical scheme of the clamping assembly, the clamping assembly comprises a first pressing plate cylinder, the first pressing plate cylinder is arranged on the connecting plate, and the output end of the first pressing plate cylinder can be pressed on the upper end face of the material.

As an optional technical scheme of the clamping assembly, a first cushion pad is arranged at the output end of the first pressure plate cylinder and can be pressed on the upper end face of the material.

A second object of the utility model is to provide a get and put anchor clamps, should get the stability and the reliability that put anchor clamps and can improve the centre gripping material, can avoid the in-process of shifting the material on a large scale to take place the risk that the material drops effectively, can improve the nimble suitability of this getting and putting anchor clamps simultaneously.

the utility model provides a taking and placing clamp, which comprises a bottom plate and the clamping assembly, wherein the upper end surface of the bottom plate is connected with a manipulator, and the manipulator can drive the bottom plate to move; the clamping assembly is arranged on the lower end face of the bottom plate.

As an optional technical scheme of the taking and placing clamp, a driving device and a movable plate are arranged on the lower end face of the bottom plate, the clamping assembly is arranged on the movable plate, the driving device is connected with the movable plate, and the driving device can drive the movable plate to move parallel relative to the bottom plate.

As an optional technical scheme for taking and placing the clamp, a sliding rail is arranged on the lower end face of the bottom plate, and the movable plate is connected with the sliding rail in a sliding mode.

As an optional technical scheme of the taking and placing clamp, the number of the movable plates is two, at least one clamping assembly is arranged on each movable plate, and the output end of the driving device is connected with both the two movable plates so as to drive the two movable plates to be close to or away from each other.

As an optional technical scheme for taking and placing the clamp, each movable plate is sleeved with a screw rod, an output end of the driving device is provided with a first bevel gear, two end portions, close to each other, of the two screw rods are respectively provided with a second bevel gear and a third bevel gear, and the first bevel gear is respectively in meshing transmission with the second bevel gear and the third bevel gear to drive the two screw rods to rotate.

As an optional technical scheme of the taking and placing clamp, the driving device is a motor.

As an optional technical scheme of the taking and placing clamp, a distance sensor is arranged on the connecting plate and electrically connected with the driving device.

As an optional technical scheme of the taking and placing clamp, a second pressing plate cylinder is arranged on the lower end face of the bottom plate, and the output end of the second pressing plate cylinder can be pressed on the upper end face of the material.

As an optional technical scheme of the taking and placing clamp, a second cushion pad is arranged at the output end of the second pressing plate cylinder and can be pressed on the upper end face of the material.

As an optional technical scheme of the taking and placing clamp, a flange is arranged on the upper end face of the bottom plate and connected with the manipulator.

As an optional technical scheme of the taking and placing clamp, a positioning camera is arranged on the bottom plate, and a lens of the positioning camera extends out of the lower end face of the bottom plate to photograph and position the material.

The beneficial effects of the utility model include at least:

the utility model provides a centre gripping subassembly, this centre gripping subassembly simple structure realizes the dual fixed of material through rubbing strip and rotary mechanism on the centre gripping subassembly for the material can be very stable fix on the centre gripping subassembly, can effectually avoid moving the risk that the in-process material drops easily on a large scale. The utility model provides a centre gripping subassembly need not to use the sucking disc among the conventional art can realize getting of material and put the transfer, and then makes this centre gripping subassembly can get to put, shift the material that contains the hole, improves centre gripping subassembly's nimble suitability.

The utility model also provides a get and put anchor clamps should get and put anchor clamps and include the centre gripping subassembly more than at least one. The pick-and-place clamp can improve the stability and reliability of clamping materials, effectively avoid the risk of falling off of materials in the process of transferring the materials on a large scale, and improve the flexible applicability of the pick-and-place clamp.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural view of a pick-and-place jig according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a clamping assembly according to an embodiment of the present invention;

fig. 3 is a bottom view of the taking and placing fixture according to the embodiment of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

Reference numerals

100. A base plate; 110. a slide rail;

200. a clamping assembly; 210. a rubbing strip; 220. a connecting plate; 230. a rotation mechanism; 2301. a rotating cylinder; 2302. rotating the clamping jaw; 23021. a rotating part; 23022. a support portion; 240. a first platen cylinder; 2401. a first cushion pad; 250. a distance sensor;

300. a drive device; 310. a first bevel gear; 320. a second bevel gear; 330. a third bevel gear;

400. a movable plate; 410. a screw rod;

500. a second platen cylinder; 510. a second cushion pad;

600. a flange; 700. positioning a camera; 710. and (5) a lens.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1-2, the present embodiment provides a clamping assembly 200 and a pick-and-place fixture, which includes a plurality of clamping assemblies 200. This get and put anchor clamps can be used for the centre gripping, gets and put the material (not shown in the figure), and the embodiment uses the PCB sheet material to explain as the example, is about to be able to transport to another station department from a certain station to the PCB sheet material to in manufacturing to the PCB sheet material. Of course, the present invention may also be used for clamping, picking and placing other types of materials, and the present embodiment does not limit this.

In the present embodiment, the pick-and-place jig mainly includes a base plate 100, a robot (not shown), and at least two clamping assemblies 200. Wherein, the upper end face of bottom plate 100 is connected with the manipulator, and the manipulator can drive bottom plate 100 and move. Specifically, the robot can drive the bottom plate 100 to perform a lifting motion, a horizontal motion, a 360-degree turning motion, and the like. The clamping assembly 200 is arranged on the lower end surface of the bottom plate 100; the clamping assembly 200 comprises a friction strip 210 and a connecting plate 220, one end of the connecting plate 220 is connected with the lower end face of the bottom plate 100, the other end of the connecting plate is connected with the friction strip 210, and the side edge of the friction strip 210 is abutted against the side edge of the material; the connecting plate 220 is provided with a rotating mechanism 230, and part of the rotating mechanism 230 can rotate to the lower end face of the material and support the material. Alternatively, the rub strip 210 in this embodiment may be a separate, independent component and mounted on the connecting plate 220; or may be part of the connection plate 220 and located at the bottom of the connection plate 220.

Based on the design, when the picking and placing clamp works, the mechanical hand drives the bottom plate 100 to move to the position above the PCB plate, then the rubbing strip 210 on the clamping assembly 200 is abutted against the side edge of the PCB plate, and the PCB plate slightly deforms by 1mm-2mm, namely the PCB plate is upwards bulged or downwards sunken by 1mm-2mm, so that the rubbing strip 210 and the PCB plate can keep a certain pressure. Specifically, in order to increase the friction force between the friction strip 210 and the side edge of the PCB panel and ensure that the PCB panel does not fall off, a plurality of wavy stripes are arranged on one side of the friction strip 210 close to the material in this embodiment, so as to increase the roughness of the friction strip 210 and increase the friction force between the friction strip 210 and the side edge of the PCB panel. When the rubbing strip 210 is clamped with the side edge of the PCB panel, the manipulator lifts the bottom plate 100 a distance in the direction perpendicular to the PCB panel, and then opens the rotating mechanism 230, so that part of the rotating mechanism 230 can rotate to the lower end face of the material and support the material. Therefore, the PCB is extruded and clamped through the friction strips 210, and the lower end face of the PCB is supported by the rotating mechanism 230, so that the stability and reliability of clamping the PCB by the taking and placing clamp are improved. When the picking and placing clamp transfers the PCB plate, when the workbench surface is preset, the mechanical arm descends for a certain distance, so that the PCB plate is close to the workbench surface, then the rotating mechanism 230 rotates reversely, the rotating mechanism 230 removes the support of the PCB plate, then the friction strip 210 removes the butt joint with the side edge of the PCB plate, so that the PCB plate is restored to the original state, and the picking and placing and transferring process of the PCB plate is completed.

Optionally, the rubbing strip 210 in this embodiment is made of engineering plastics, so that damage of the rubbing strip 210 to a PCB panel is reduced, and cost is saved.

Compared with the prior art, the taking and placing fixture in the embodiment is simple in structure, the PCB can be doubly fixed through the friction strip 210 and the rotating mechanism 230 on the clamping assembly 200, the PCB can be very stably fixed on the taking and placing fixture, and the risk that the PCB is easy to fall off in the large-scale moving process can be effectively avoided. The utility model provides a get and put anchor clamps and need not to use the sucking disc can realize getting of PCB sheet material to put the transfer, and then make and get and put anchor clamps and can get the PCB sheet material that puts the transfer and contain the hole, improve the nimble suitability of getting and putting anchor clamps. Meanwhile, the taking and placing fixture lifts the PCB panel by a certain distance through the friction strip 210, and then drags the bottom of the PCB panel through the rotating mechanism 230, thereby reducing the damage to the PCB panel. Furthermore, the utility model provides a need not to trompil on the table surface of placing the PCB board, can realize getting of PCB board and put the transfer, practice thrift the cost, improve work efficiency.

As shown in fig. 1-2, the rotating mechanism 230 in this embodiment includes a rotating cylinder 2301 and a rotating clamping jaw 2302 that is rotatably connected to the rotating cylinder 2301, the rotating cylinder 2301 is disposed on the connection plate 220, and the rotating cylinder 2301 can drive a part of the rotating clamping jaw 2302 to rotate to a lower end surface of the material and hold the material. Illustratively, after the rubbing strip 210 lifts the PCB panel by a certain distance, the rotating jaw 2302 rotates by 180 degrees and turns over to the lower side of the PCB panel to drag the PCB panel. Of course, in some embodiments, the worker may also use a gear and rack structure instead of the rotating cylinder 2301, which is not limited in this embodiment.

Further, the rotating clamping jaw 2302 in this embodiment includes a rotating part 23021 and a supporting part 23022 connected with the rotating part 23021, the rotating part 23021 is connected with a rotating cylinder 2301, and the rotating cylinder 2301 can drive the rotating part 23021 to rotate 180 degrees, so that the supporting part 23022 can support the lower end face of the material. The supporting part 23022 is planar, so that the supporting part 23022 can be fully attached to the lower end face of the PCB, and uneven stress on the PCB is avoided.

As shown in fig. 2, the clamping assembly 200 in this embodiment includes a first pressing plate cylinder 240, the first pressing plate cylinder 240 is disposed on the connecting plate 220, and the first pressing plate cylinder 240 can be pressed on the upper end surface of the material. Specifically, when the supporting portion 23022 holds up the PCB panel, the output end of the first pressing plate cylinder 240 extends out and is pressed on the upper end surface of the PCB panel, so that the first pressing plate cylinder 240 and the supporting portion 23022 can form a pair of mutually balanced forces, and the stability of the PCB panel is further improved.

Further, the output end of the first platen cylinder 240 in this embodiment is provided with a first cushion 2401, and the first cushion 2401 can be pressed on the upper end surface of the material. The rigid contact of the output end of the first pressure plate cylinder 240 and the PCB sheet can be avoided by the arrangement of the first buffering cushion 2401, and a certain protection effect can be exerted on the PCB sheet.

The present embodiment further provides a pick-and-place fixture, which includes at least one clamping assembly 200 in more than one technical solutions of the bottom plate 100. The pick-and-place clamp can improve the stability and reliability of clamping materials, effectively avoid the risk of falling off of materials in the process of transferring the materials on a large scale, and improve the flexible applicability of the pick-and-place clamp.

As shown in fig. 3 to 4, in the present embodiment, the lower end surface of the base plate 100 is provided with a driving device 300 and a movable plate 400, the clamping assembly 200 is disposed on the movable plate 400, the driving device 300 is connected with the movable plate 400, and the driving device 300 can drive the movable plate 400 to move parallel relative to the base plate 100. In order to improve the moving fluency of the movable plate 400, the lower end surface of the bottom plate 100 in the embodiment is provided with a sliding rail 110, and the movable plate 400 is slidably connected with the sliding rail 110.

Specifically, with continued reference to fig. 3-4, two movable plates 400 are provided, and at least one clamping assembly 200 is disposed on each movable plate 400, and the output end of the driving device 300 is connected to both of the movable plates 400 to drive the two movable plates 400 to approach or move away from each other. Preferably, the two clamping assemblies 200 on each movable plate 400 are respectively disposed at two ends of the movable plate 400, so that the four clamping assemblies 200 can be enclosed into a rectangular area, and the area of the rectangular area can be flexibly changed, thereby being adapted to PCB panels with different shapes and sizes.

Further, with reference to fig. 3-4, each movable plate 400 in the present embodiment is sleeved with a screw 410, the output end of the driving device 300 is provided with a first bevel gear 310, two end portions of the two screw 410 close to each other are respectively provided with a second bevel gear 320 and a third bevel gear 330, and the first bevel gear 310 is respectively in meshing transmission with the second bevel gear 320 and the third bevel gear 330 to drive the two screw 410 to rotate. A lead screw nut is connected between the lead screw 410 and the movable plate 400, so that the rotation of the two lead screws 410 can drive the two movable plates 400 to move close to or away from each other on the slide rail 110, and further the clamping assembly 200 can clamp or loosen the PCB.

Alternatively, the driving device 300 in the present embodiment may be provided as a motor, and of course, in some embodiments, the worker may use a structure of a synchronous pulley and a synchronous belt, or use a structure of a belt and a pulley, or use a directly connected motor screw 410 device to drive the movable plate 400, which is not further limited in this embodiment.

As shown in fig. 2, the connection plate 220 of the present embodiment is provided with a distance sensor 250, and the distance sensor 250 is electrically connected to the driving device 300. For example, the distance sensor 250 may be a photoelectric sensor for detecting the relative position of the clamping assembly 200 and the PCB panel, and thus precisely controlling the clamping force of the clamping assembly 200 on the PCB panel. Specifically, when the distance sensor 250 detects that the distance from the PCB panel reaches a preset distance, the rubbing strip 210 clamps the side of the PCB panel and the PCB panel deforms slightly by 1mm to 2mm, the distance sensor 250 transmits the signal to the driving device 300, and the driving device 300 stops driving the movable plate 400, thereby preventing the PCB panel from being broken and damaged due to an excessive pressure applied to the PCB panel by the clamping assembly 200.

As shown in fig. 1 and 3, in the present embodiment, a second platen cylinder 500 is disposed on a lower end surface of the base plate 100, and an output end of the second platen cylinder 500 can be pressed against an upper end surface of the material. After the picking and placing clamp finishes transferring the PCB, the clamping component 200 releases the clamping of the PCB, and at the moment, the output end of the second pressing plate cylinder 500 extends out and is pressed on the upper end face of the PCB, so that the PCB which is slightly deformed can be quickly restored to the original shape, and the subsequent processing technology is convenient to carry out.

Further, as shown in fig. 1, the output end of the second platen cylinder 500 is provided with a second cushion pad 510, and the second cushion pad 510 can be pressed on the upper end surface of the material. The second cushion pad 510 can prevent the output end of the second platen cylinder 500 from being in rigid contact with the PCB panel, and can protect the PCB panel to a certain extent.

Furthermore, the second platen cylinder 500 in this embodiment is provided with a laser sensor for detecting the flatness of the PCB board.

As shown in fig. 1, in this embodiment, a flange 600 is disposed on an upper end surface of the bottom plate 100, and the flange 600 is connected to a robot, so that the robot is favorable for driving the bottom plate 100 to move in any direction and at any angle, and the flexibility of the robot driving the bottom plate 100 to move is improved. A plurality of bolts are provided on the flange 600 for fixing the robot.

As shown in fig. 1 and fig. 3, in this embodiment, a positioning camera 700 is disposed on the bottom plate 100, and a lens 710 of the positioning camera 700 extends out of the lower end surface of the bottom plate 100 to take a picture of the PCB panel and position the picture, so as to prevent the taking and placing fixture from damaging the PCB panel, and improve the working efficiency and accuracy of the taking and placing fixture for clamping the PCB panel.

It is to be understood that the foregoing is only illustrative of the presently preferred embodiments of the invention and that the invention may be practiced using other techniques. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

It is noted that in the description herein, references to the description of "some embodiments," "other embodiments," or the like, are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims

1. A clamping assembly, characterized in that the clamping assembly (200) comprises:

the material conveying device comprises a connecting plate (220), wherein a rotating mechanism (230) is arranged on the connecting plate (220), and part of the rotating mechanism (230) can rotate to the lower end face of a material and bear the material.

2. The clamping assembly of claim 1, wherein the clamping assembly (200) comprises a friction bar (210), the friction bar (210) being arranged at an end of the web (220), a side of the friction bar (210) being adapted to abut against a side of the material.

3. The clamping assembly of claim 2, wherein said rub strip (210) is provided with a plurality of wavy striations on a side thereof adjacent to said material.

4. The clamping assembly of claim 1, wherein the rotating mechanism (230) comprises a rotating cylinder (2301) and a rotating clamping jaw (2302) rotatably connected with the rotating cylinder (2301), the rotating cylinder (2301) is arranged on the connecting plate (220), and the rotating cylinder (2301) can drive part of the rotating clamping jaw (2302) to rotate to the lower end face of the material and bear the material.

5. The clamping assembly of claim 4, wherein the rotating clamping jaw (2302) comprises a rotating part (23021) and a supporting part (23022) connected with the rotating part (23021), the rotating part (23021) is connected with the rotating cylinder (2301), and the rotating cylinder (2301) can drive the rotating part (23021) to rotate, so that the supporting part (23022) can bear the lower end face of the material.

6. The clamping assembly of claim 1, wherein the clamping assembly (200) comprises a first platen cylinder (240), the first platen cylinder (240) being disposed on the connecting plate (220), an output end of the first platen cylinder (240) being capable of being pressed against an upper end surface of the material.

7. The clamping assembly of claim 6, wherein the output end of the first platen cylinder (240) is provided with a first cushion (2401), and the first cushion (2401) can be pressed on the upper end surface of the material.

8. A pick-and-place clamp, characterized by comprising a bottom plate (100) and the clamping assembly of any one of claims 1 to 6, wherein a manipulator is connected to the upper end surface of the bottom plate (100), and the manipulator can drive the bottom plate (100) to move; the clamping assembly (200) is arranged on the lower end face of the bottom plate (100).

9. The pick-and-place jig according to claim 8, wherein a driving device (300) and a movable plate (400) are disposed on the lower end surface of the bottom plate (100), the clamping assembly (200) is disposed on the movable plate (400), the driving device (300) is connected to the movable plate (400), and the driving device (300) can drive the movable plate (400) to move in parallel relative to the bottom plate (100).

10. The pick-and-place jig as claimed in claim 9, wherein the bottom plate (100) is provided with a slide rail (110) at a lower end surface thereof, and the movable plate (400) is slidably connected with the slide rail (110).

11. The pick-and-place jig as claimed in claim 9, wherein the two movable plates (400) are provided, and at least one clamping assembly (200) is provided on each movable plate (400), and the output end of the driving device (300) is connected to both of the movable plates (400) to drive the movable plates (400) to approach or move away from each other.

12. The pick-and-place jig as claimed in claim 11, wherein each of the movable plates (400) is sleeved with a screw rod (410), the output end of the driving device (300) is provided with a first bevel gear (310), two ends of the two screw rods (410) close to each other are respectively provided with a second bevel gear (320) and a third bevel gear (330), and the first bevel gear (310) is respectively engaged with the second bevel gear (320) and the third bevel gear (330) for driving the two screw rods (410) to rotate.

13. The pick-and-place jig according to any one of claims 9 to 12, wherein the driving means (300) is a motor.

14. The pick-and-place jig according to any one of claims 9 to 12, characterized in that a distance sensor (250) is arranged on the connection plate (220), the distance sensor (250) being electrically connected to the driving device (300).

15. The taking and placing clamp according to claim 8, wherein a second pressing plate cylinder (500) is arranged on the lower end face of the bottom plate (100), and the output end of the second pressing plate cylinder (500) can be pressed on the upper end face of the material.

16. The pick-and-place jig as claimed in claim 15, wherein the output end of the second platen cylinder (500) is provided with a second cushion pad (510), and the second cushion pad (510) can be pressed on the upper end surface of the material.

17. The pick-and-place jig as claimed in claim 8, wherein the upper end surface of the base plate (100) is provided with a flange (600), and the flange (600) is connected with the robot arm.

18. The taking and placing clamp according to claim 8, wherein a positioning camera (700) is disposed on the bottom plate (100), and a lens (710) of the positioning camera (700) extends out of the lower end surface of the bottom plate (100) to photograph and position the material.