CN218533708U - Cover plate taking and placing device - Google Patents

Abstract

The utility model belongs to the technical field of CNC processing, a apron is disclosed and is got put device. The cover plate taking and placing device comprises a base, an elevating mechanism, a turnover mechanism, a telescopic mechanism and a grabbing mechanism, wherein the elevating mechanism is arranged on the base, the output end of the elevating mechanism is connected with a turnover bottom plate, the turnover mechanism is arranged on the turnover bottom plate, the output end of the turnover mechanism is connected with the telescopic bottom plate, the telescopic mechanism is arranged on the telescopic bottom plate, the output end of the telescopic mechanism is connected with a gripper connecting plate, the grabbing mechanism comprises a supporting claw and a positioning pin, the supporting claw is vertically arranged on the gripper connecting plate, the positioning pin is arranged on the supporting claw, and the positioning pin can be arranged in a pin hole of a cover plate connecting piece in a penetrating mode to grab the cover plate. The cover plate taking and placing device can achieve automatic taking and placing of the cover plate, avoids shutdown when the cover plate is replaced or added midway, saves processing time and improves processing efficiency.

Description

Cover plate taking and placing device

Technical Field

The utility model relates to a CNC processing technology field especially relates to apron is got and is put device.

Background

At present, CNC processing product is all that the manual work is got and is put the apron, appears forgetting easily and puts the apron or put the hidden danger that does not put in place, and when having apron location requirement, need increase auxiliary positioning mechanism, in addition, the product need change the apron midway in the course of working or increase the apron, then need shut down the manual work and change the apron, cause problems such as production process inefficiency, finished product quality unstability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an apron is got and is put device can realize that the apron is automatic to be got and put, improves machining efficiency.

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

the cover plate taking and placing device is used for placing the cover plate on the cover plate jig or taking the cover plate from the cover plate jig, a cover plate connecting piece is arranged on the cover plate, a pin hole used for grabbing is formed in the cover plate connecting piece, and the cover plate taking and placing device comprises:

a base;

the lifting mechanism is arranged on the base, and the output end of the lifting mechanism is connected with an overturning bottom plate;

the turnover mechanism is arranged on the turnover bottom plate, and the output end of the turnover mechanism is connected with a telescopic bottom plate;

the telescopic mechanism is arranged on the telescopic bottom plate, and the output end of the telescopic mechanism is connected with a gripper connecting plate;

the grabbing mechanism comprises a supporting claw and a positioning pin, the supporting claw is vertically arranged on the grabbing hand connecting plate, the positioning pin is arranged on the supporting claw, and the positioning pin can penetrate through the pin hole of the cover plate connecting piece to grab the cover plate.

Optionally, the lifting mechanism includes a lifting bottom plate and a pin releasing assembly, the pin releasing assembly includes a pin releasing cylinder and a pin releasing guide post, the pin releasing guide post is disposed on the base, a first guide hole is disposed on the lifting bottom plate, the pin releasing guide post penetrates through the first guide hole, the lifting bottom plate can slide along the pin releasing guide post, the pin releasing cylinder is disposed on the lifting bottom plate, and the pin releasing cylinder is configured to drive the lifting mechanism, the turnover mechanism, the telescoping mechanism, and the grabbing mechanism to move upward, so that the cover plate is released from the cover plate fixture.

Optionally, the lifting mechanism further comprises a lifting cylinder support, a lifting cylinder and a lifting link assembly, one end of the lifting link assembly is connected with the base, the other end of the lifting link assembly is connected with the turnover bottom plate, the lifting cylinder support is arranged on the lifting bottom plate, the lifting cylinder is hinged to the lifting cylinder support, the output end of the lifting cylinder is connected with a hinged point in the middle of the lifting link assembly, and the lifting cylinder is configured to drive the turnover bottom plate to ascend or descend.

Optionally, lifting link assembly includes first support, first connecting rod, second support and articulated shaft, first connecting rod with first connecting rod passes through articulated shaft is articulated, first support arrange in the bottom of upset bottom plate, the second support set up in lifting bottom plate is last, first connecting rod is kept away from the one end of second connecting rod with first support is articulated, the second connecting rod is kept away from the one end of first connecting rod with the second support is articulated, the output of lift cylinder with the articulated shaft is connected.

Optionally, the lifting mechanism includes two lifting cylinders, every lifting cylinder all passes through one lifting cylinder support with the base is articulated, every lifting cylinder's output all with the articulated shaft is articulated, and every lifting cylinder's output with all be provided with a spacer sleeve between the lifting link assembly, every the spacer sleeve is all established on the articulated shaft.

Optionally, tilting mechanism includes upset cylinder support, upset cylinder piston rod support, pivot support and pivot, the pivot support set up in on the upset bottom plate, flexible bottom plate pass through the pivot with the pivot leg joint, upset cylinder piston rod support set up in the bottom of flexible bottom plate, upset cylinder support set up in on the upset bottom plate, the upset cylinder with upset cylinder support is articulated, the output of upset cylinder with upset cylinder piston rod support is articulated.

Optionally, the turnover mechanism further includes a mechanical limiting post disposed on the turnover bottom plate, and the mechanical limiting post is configured to limit a turnover angle of the telescopic bottom plate.

Optionally, the telescopic mechanism includes a telescopic cylinder support and a telescopic cylinder, the telescopic cylinder support is disposed on the telescopic bottom plate, the telescopic cylinder is connected to the telescopic cylinder support, an output end of the telescopic cylinder is connected to the gripper connecting plate, and the telescopic cylinder is configured to drive the gripper connecting plate to extend or retract.

Optionally, the telescoping mechanism further comprises a guide assembly configured to guide the movement of the gripper linkage.

Optionally, the guide assembly comprises two guide sleeves and two guide rods, the two guide sleeves are respectively arranged on two sides of the telescopic cylinder, each guide sleeve is internally and slidably connected with one guide rod, and one end, far away from the guide sleeve, of each guide rod is connected with the gripper connecting plate.

Has the advantages that:

the utility model provides an apron is got and is put device passes through elevating system, tilting mechanism, telescopic machanism can realize automatic getting and put the apron with snatching the mechanism, avoid shutting down when changing the apron midway or increasing the apron, the processing time is practiced thrift, the machining efficiency is improved, this apron is got and is put device simple structure, set up the shop bolt in snatching the mechanism, it is accurate to guarantee to get to put apron in-process apron position, avoided the manual work to forget to put the apron or the apron places hidden danger not in place, ensured that product quality is stable.

Drawings

Fig. 1 is a schematic structural view of a cover plate taking and placing device provided by the present invention;

fig. 2 is a schematic structural diagram of the turnover mechanism provided by the present invention;

fig. 3 is a schematic structural diagram of the telescoping mechanism provided by the present invention.

In the figure:

100. a cover plate; 200. a cover plate connecting member;

20. a grabbing mechanism; 21. a gripper connecting plate; 22. a support claw; 23. positioning pins;

30. a telescoping mechanism; 31. a guide bar; 32. a telescopic cylinder bracket; 33. a guide sleeve; 34. a telescopic cylinder; 35. a telescoping floor;

40. a turnover mechanism; 41. a rotating shaft; 42. a rotating shaft bracket; 43. a mechanical spacing post; 44. turning over the air cylinder; 45. turning over the cylinder bracket; 46. turning over the bottom plate; 47. turning over a cylinder piston rod support;

50. a lifting mechanism; 51. a lifting link assembly; 511. a first bracket; 512. a first link; 513. a second link; 514. a second bracket; 52. a lifting guide post; 53. a pin removal cylinder; 54. the pin removal guide post; 55. a spacer sleeve; 56. a lifting cylinder; 57. a lifting bottom plate; 58. a base; 59. and a lifting cylinder support.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

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 application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply 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.

The embodiment provides a cover plate taking and placing device, which is used for placing a cover plate 100 on a cover plate jig or taking the cover plate 100 off the cover plate jig, wherein the cover plate 100 is provided with a cover plate connecting piece 200, the cover plate connecting piece 200 is provided with a pin hole for grabbing, as shown in figure 1, the cover plate taking and placing device comprises a base 58, a lifting mechanism 50, a turnover mechanism 40, a telescopic mechanism 30 and a grabbing mechanism 20, the lifting mechanism 50 is arranged on the base 58, the output end of the lifting mechanism 50 is connected with a turnover bottom plate 46, the turnover mechanism 40 is arranged on the turnover bottom plate 46, the output end of the turnover mechanism 40 is connected with the telescopic bottom plate 35, the telescopic mechanism 30 is arranged on the telescopic bottom plate 35, the output end of the telescopic mechanism 30 is connected with a hand grip connecting plate 21, the grabbing mechanism 20 comprises a supporting claw 22 and a positioning pin 23, support claw 22 sets up perpendicularly on tongs even board 21, be provided with locating pin 23 on the support claw 22, locating pin 23 can wear to locate in the pinhole of apron connecting piece 200 in order to snatch apron 100, through elevating system 50, tilting mechanism 40, telescopic machanism 30 can realize getting automatically with snatching mechanism 20 and put apron 100, the shut down when avoiding changing apron 100 midway or increasing apron 100, thereby saving the process time, and the machining efficiency is improved, and this apron is got and is put device simple structure, set up locating pin 23 nail on snatching mechanism 20, can guarantee to get and put apron 100 in-process apron 100 position accuracy, avoided the manual work to forget to put apron 100 or apron 100 and placed the hidden danger that does not put in place, ensured that product quality is stable.

Preferably, as shown in fig. 1, the lifting mechanism 50 includes a lifting bottom plate 57 and a pin releasing assembly, the pin releasing assembly includes a pin releasing cylinder 53 and a pin releasing guide 54, the pin releasing guide 54 is disposed on the base 58, a first guide hole is disposed on the lifting bottom plate 57, the pin releasing guide 54 is disposed through the first guide hole, the lifting bottom plate 57 can slide along the pin releasing guide 54, the pin releasing cylinder 53 is disposed on the lifting bottom plate 57, the pin releasing cylinder 53 drives the lifting mechanism 50, the turnover mechanism 40, the telescoping mechanism 30 and the grabbing mechanism 20 to move upward, so that the cover plate 100 is released from the cover plate fixture, and the positioning pin 23 on the supporting claw 22 penetrates into the pin hole on the cover plate connecting member 200, thereby facilitating the actions of the telescoping mechanism 30, the turnover mechanism 40 and the lifting mechanism 50 to take away the cover plate 100.

Optionally, as shown in fig. 1, the lifting mechanism 50 further includes a lifting cylinder support 59, a lifting cylinder 56 and a lifting link assembly 51, one end of the lifting link assembly 51 is connected to the base 58, the other end of the lifting link assembly is connected to the turnover bottom plate 46, the lifting cylinder support 59 is disposed on the lifting bottom plate 57, the lifting cylinder 56 is hinged to the lifting cylinder support 59, an output end of the lifting cylinder 56 is connected to a hinged point at the middle of the lifting link assembly 51, the lifting cylinder 56 can drive the turnover bottom plate 46 to ascend or descend, so as to drive the grabbing mechanism 20 to ascend or descend, the lifting mechanism 50 adopts a structure in which the lifting cylinder 56 is matched with the lifting link assembly 51, so as to reduce an occupied space of the lifting mechanism 50 and improve a space utilization rate inside a CNC (numerically controlled machine).

Specifically, the lifting link assembly 51 includes a first bracket 511, a first connecting rod 512, a second connecting rod 513, a second bracket 514 and a hinge shaft, the first connecting rod 512 and the first connecting rod 512 are hinged through the hinge shaft, the first bracket 511 is disposed at the bottom of the turnover bottom plate 46, the second bracket 514 is disposed on the lifting bottom plate 57, one end of the first connecting rod 512, which is far away from the second connecting rod 513, is hinged with the first bracket 511, one end of the second connecting rod 513, which is far away from the first connecting rod 512, is hinged with the second bracket 514, an output end of the lifting cylinder 56 is connected with the hinge shaft, and the distance between two ends of the lifting connecting rod can be increased or decreased by extending or retracting the output end of the lifting cylinder 56, so as to realize the ascending or descending of the grabbing mechanism 20.

Preferably, as shown in fig. 1, in the present embodiment, the lifting mechanism 50 includes two lifting cylinders 56, each lifting cylinder 56 is hinged to the base 58 through a lifting cylinder bracket 59, an output end of each lifting cylinder 56 is hinged to the hinge shaft, a spacer 55 is disposed between the output end of each lifting cylinder 56 and the lifting link assembly 51, each spacer 55 is sleeved on the hinge shaft, and the two lifting cylinders 56 are provided to increase the driving force of the lifting mechanism 50, so that the lifting mechanism 50 can drive cover plates 100 of different models and different weights.

Preferably, the lifting mechanism 50 further includes a plurality of lifting guide pillars 52, the plurality of lifting guide pillars 52 are uniformly distributed on the lifting base plate 57, and the turnover base plate 46 can slide up and down along the lifting guide pillars 52, so as to ensure that the stress of the turnover base plate 46 is more uniform, the motion process is more stable, and the precision of the cover plate 100 in the taking and placing process is improved.

Preferably, as shown in fig. 2, the turnover mechanism 40 includes a turnover cylinder bracket 45, a turnover cylinder 44, a turnover cylinder piston rod bracket 47, a rotation shaft bracket 42 and a rotation shaft 41, the rotation shaft bracket 42 is disposed on the turnover bottom plate 46, the telescopic bottom plate 35 is rotatably connected to the rotation shaft bracket 42 through the rotation shaft 41, the turnover cylinder piston rod bracket 47 is disposed at the bottom of the telescopic bottom plate 35, the turnover cylinder bracket 45 is disposed on the turnover bottom plate 46, the turnover cylinder 44 is hinged to the turnover cylinder bracket 45, an output end of the turnover cylinder 44 is hinged to the turnover cylinder piston rod bracket 47, and the grabbing mechanism 20 can be turned over by 90 ° through the turnover cylinder 44. The turnover mechanism 40 has the advantages of simple structure, stable driving, low noise and convenient later maintenance.

Optionally, the turnover mechanism 40 further includes a mechanical limit column 43, the mechanical limit column 43 is disposed on the turnover bottom plate 46, the mechanical limit column 43 is used for limiting the turnover angle of the telescopic bottom plate 35, so as to prevent the turnover of the turnover mechanism 40 from being over-positioned and causing a crash accident, and improve the safety and the practicability of the turnover mechanism 40.

Preferably, as shown in fig. 3, the telescopic mechanism 30 includes a telescopic cylinder support 32 and a telescopic cylinder 34, the telescopic cylinder support 32 is disposed on the telescopic bottom plate 35, the telescopic cylinder 34 is connected to the telescopic cylinder support 32, an output end of the telescopic cylinder 34 is connected to the gripper connecting plate 21, and the telescopic cylinder 34 is configured to drive the gripper connecting plate 21 to extend or retract, so as to drive the gripping mechanism 20 to approach the cover plate jig or keep away from the cover plate jig to the cover plate 100 to be gripped. The telescopic mechanism 30 has a simple structure, low motion noise and high driving efficiency, and improves the taking and placing efficiency of the cover plate 100.

Preferably, the telescoping mechanism 30 further comprises a guide assembly for guiding the moving process of the gripper connecting plate 21, so as to ensure that the cover plate 100 moves smoothly.

Optionally, the guiding assembly includes two guide sleeves 33 and two guide rods 31, the two guide sleeves 33 are respectively disposed at two sides of the telescopic cylinder 34, one guide rod 31 is slidably connected in each guide sleeve 33, and one end of each guide rod 31, which is far away from the guide sleeve 33, is connected to the gripper connecting plate 21.

Specifically, the working process of the cover plate taking and placing device provided by the embodiment is as follows:

in a standby state, the telescopic cylinder 34 retracts, the overturning cylinder 44 extends, the pin releasing cylinder 53 and the lifting cylinder 56 retract, and the grabbing mechanism 20 is vertical to the CNC workbench in the standby state.

And in the grabbing motion state, firstly, the lifting cylinder 56 extends out, the grabbing mechanism 20, the telescopic mechanism 30 and the overturning mechanism 40 integrally move upwards along the lifting guide pillar 52, then, the overturning cylinder 44 retracts, so that the grabbing mechanism 20 rotates by 90 degrees, and the grabbing mechanism 20 is parallel to the CNC workbench. The telescopic cylinder 34 is further extended to move the positioning pin 23 mounted on the grabbing mechanism 20 to the position below the cover plate connecting piece 200 mounted on the cover plate 100, the pin-removing cylinder 53 is further extended, the grabbing mechanism 20, the telescopic mechanism 30, the turnover mechanism 40 and the lifting mechanism 50 move upwards along the pin-removing guide post 54, the cover plate 100 is separated from the cover plate jig positioning pin 23, and the positioning pin 23 on the supporting claw 22 is inserted into the pin hole on the cover plate connecting piece 200.

Further, the telescopic cylinder 34 is retracted, the grabbing mechanism 20 and the cover plate 100 move horizontally together, the overturning cylinder 44 extends, the grabbing mechanism 20, the telescopic mechanism 30 and the cover plate 100 overturn by 90 degrees, at this time, the grabbing mechanism 20 and the cover plate 100 are perpendicular to the CNC workbench, then the lifting cylinder 56 is retracted, the grabbing mechanism 20, the telescopic mechanism 30 and the overturning mechanism 40 move downwards along the lifting guide post 52 integrally with the cover plate 100, and the state is maintained to wait for the CNC machine to replace a product.

After the CNC machine platform changes the product, upset cylinder 44 withdraws, snatchs mechanism 20 this moment, tilting mechanism 40 and CNC workstation is parallel, and telescopic cylinder 34 stretches out, and after the motion target in place, apron 100 returns CNC tool top.

Further, the pin-removing cylinder 53 is retracted, the whole of the gripping mechanism 20, the telescoping mechanism 30, the turnover mechanism 40, and the lifting mechanism 50 moves downward along the pin-removing guide post 54 together with the cover plate 100, and the positioning pin 23 is detached from the cover plate connector 200.

Further, the telescopic cylinder 34 retracts, the turnover cylinder 44 extends, the grabbing mechanism 20 is perpendicular to the CNC workbench after moving in place, the further lifting cylinder 56 retracts, the grabbing mechanism 20, the telescopic mechanism 30, the turnover mechanism 40 and the cover plate 100 move downwards along the lifting guide pillar 52, and the cover plate taking and placing device finishes a taking and placing period and enters a standby state to wait.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The cover plate taking and placing device is used for placing the cover plate (100) on a cover plate jig or taking the cover plate (100) from the cover plate jig, a cover plate connecting piece (200) is arranged on the cover plate (100), a pin hole used for grabbing is formed in the cover plate connecting piece (200), and the cover plate taking and placing device is characterized by comprising:

a base (58);

the lifting mechanism (50) is arranged on the base (58), and the output end of the lifting mechanism (50) is connected with the turnover bottom plate (46);

the turnover mechanism (40) is arranged on the turnover bottom plate (46), and the output end of the turnover mechanism (40) is connected with a telescopic bottom plate (35);

the telescopic mechanism (30) is arranged on the telescopic bottom plate (35), and the output end of the telescopic mechanism (30) is connected with the hand grip connecting plate (21);

grabbing mechanism (20), including support claw (22) and locating pin (23), support claw (22) set up perpendicularly on tongs link board (21), be provided with on support claw (22) locating pin (23), locating pin (23) can wear to locate apron connecting piece (200) in the pinhole in order to grab apron (100).

2. The cover plate taking and placing device according to claim 1, wherein the lifting mechanism (50) comprises a lifting bottom plate (57) and a pin removing assembly, the pin removing assembly comprises a pin removing cylinder (53) and a pin removing guide post (54), the pin removing guide post (54) is disposed on the base (58), a first guide hole is disposed on the lifting bottom plate (57), the pin removing guide post (54) is disposed through the first guide hole, the lifting bottom plate (57) can slide along the pin removing guide post (54), the pin removing cylinder (53) is disposed on the lifting bottom plate (57), and the pin removing cylinder (53) is configured to drive the lifting mechanism (50), the turnover mechanism (40), the telescopic mechanism (30) and the grabbing mechanism (20) to move upwards to separate the cover plate (100) from the cover plate jig.

3. The cover plate taking and placing device according to claim 2, wherein the lifting mechanism (50) further comprises a lifting cylinder bracket (59), a lifting cylinder (56) and a lifting link assembly (51), one end of the lifting link assembly (51) is connected with the base (58), the other end of the lifting link assembly is connected with the turnover bottom plate (46), the lifting cylinder bracket (59) is arranged on the lifting bottom plate (57), the lifting cylinder (56) is hinged with the lifting cylinder bracket (59), the output end of the lifting cylinder (56) is connected with a hinged point in the middle of the lifting link assembly (51), and the lifting cylinder (56) is configured to drive the turnover bottom plate (46) to ascend or descend.

4. The cover plate taking and placing device according to claim 3, wherein the lifting link assembly (51) comprises a first bracket (511), a first link (512), a second link (513), a second bracket (514) and a hinge shaft, the first link (512) and the first link (512) are hinged through the hinge shaft, the first bracket (511) is arranged at the bottom of the turnover bottom plate (46), the second bracket (514) is arranged on the lifting bottom plate (57), one end of the first link (512) far away from the second link (513) is hinged with the first bracket (511), one end of the second link (513) far away from the first link (512) is hinged with the second bracket (514), and the output end of the lifting cylinder (56) is connected with the hinge shaft.

5. The cover plate taking and placing device according to claim 4, wherein the lifting mechanism (50) comprises two lifting cylinders (56), each lifting cylinder (56) is hinged to the base (58) through one lifting cylinder bracket (59), an output end of each lifting cylinder (56) is hinged to the hinge shaft, a spacer sleeve (55) is arranged between the output end of each lifting cylinder (56) and the lifting connecting rod assembly (51), and each spacer sleeve (55) is sleeved on the hinge shaft.

6. The cover plate taking and placing device according to claim 1, wherein the turnover mechanism (40) comprises a turnover cylinder support (45), a turnover cylinder (44), a turnover cylinder piston rod support (47), a rotating shaft support (42) and a rotating shaft (41), the rotating shaft support (42) is arranged on the turnover bottom plate (46), the telescopic bottom plate (35) is rotatably connected with the rotating shaft support (42) through the rotating shaft (41), the turnover cylinder piston rod support (47) is arranged at the bottom of the telescopic bottom plate (35), the turnover cylinder support (45) is arranged on the turnover bottom plate (46), the turnover cylinder (44) is hinged to the turnover cylinder support (45), and the output end of the turnover cylinder (44) is hinged to the turnover cylinder piston rod support (47).

7. The cover plate handling device according to claim 6, wherein the flipping mechanism (40) further comprises a mechanical stop pillar (43), the mechanical stop pillar (43) being disposed on the flipping base plate (46), the mechanical stop pillar (43) being configured to limit an angle of the flipping of the retractable base plate (35).

8. The cover plate taking and placing device according to claim 1, wherein the telescoping mechanism (30) comprises a telescoping cylinder bracket (32) and a telescoping cylinder (34), the telescoping cylinder bracket (32) is disposed on the telescoping bottom plate (35), the telescoping cylinder (34) is connected with the telescoping cylinder bracket (32), an output end of the telescoping cylinder (34) is connected with the hand grip connecting plate (21), and the telescoping cylinder (34) is configured to drive the hand grip connecting plate (21) to extend or retract.

9. Cover handling device according to claim 8, wherein the telescoping mechanism (30) further comprises a guiding assembly configured to guide the movement of the gripper bar (21).

10. The cover plate taking and placing device according to claim 9, wherein the guiding assembly comprises two guiding sleeves (33) and two guiding rods (31), the two guiding sleeves (33) are respectively disposed at two sides of the telescopic cylinder (34), one guiding rod (31) is slidably connected in each guiding sleeve (33), and one end of each guiding rod (31) far away from the guiding sleeve (33) is connected with the hand grip connecting plate (21).

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