WO2020249021A1

WO2020249021A1 - Carrying device

Info

Publication number: WO2020249021A1
Application number: PCT/CN2020/095428
Authority: WO
Inventors: 万业
Original assignee: 北海惠科光电技术有限公司; 重庆惠科金渝光电科技有限公司
Priority date: 2019-06-10
Filing date: 2020-06-10
Publication date: 2020-12-17
Also published as: CN110143398B; CN110143398A

Abstract

A carrying device (100), comprising: a main frame (110); a suction cup assembly (130), comprising suction cups (131) fixedly connected to the main frame (110), suction ends (1312) of the suction cups (131) being the ends of the suction cups (131) away from the main frame (110); and a lifting assembly (150), comprising a lifting component (151) connected to the main frame (110), the lifting component (151) having a lifting surface (152) for bearing. The carrying device (100) uses the lifting component (151) to lift a printed circuit board assembly (20) provided on one side of a display panel (10). As the lifting component (151) is provided on the main frame (110), the printed circuit board assembly (20) can be lifted up by operating the main frame (110) without bending down to operate, reducing the working intensity of an operator.

Description

Handling device

Cross references to related applications

This application claims the priority of a Chinese patent application filed with the Chinese Patent Office with the application number 201910496429.7 and the invention title "Transporting Device" on June 10, 2019, the entire content of which is incorporated into this application by reference.

Technical field

This application relates to the field of display panel handling, and in particular to a handling device.

Background technique

The statements here only provide background information related to this application, and do not necessarily constitute prior art.

The sides of the display panel are connected with printed circuit board components through a chip on film. Therefore, when the display panel is transported, the printed circuit board needs to be transported at the same time to prevent excessive bending of the chip on film between the printed circuit board assembly and the display panel.

Traditionally, the display panel is absorbed by tools such as suction cups, and the printed circuit board is clamped by tools such as inserts. Generally, due to the placement position of the display panel, the operator needs to bend over when clamping or loosening the printed circuit board with tools such as inserts, and the work intensity is relatively high.

Summary of the invention

Based on this, it is necessary to provide a transport device.

A handling device, including:

Main Frame;

The suction cup assembly includes a suction cup fixedly connected to the main frame, the suction cup has a suction end, and the suction end is an end of the suction cup far away from the main frame;

The holding assembly includes a holding member connected with the main frame, and the holding member has a holding surface that plays a bearing role.

The above-mentioned conveying device can use the holding member to hold the printed circuit board assembly provided on the side of the display panel. Since the holding member is arranged on the main frame, the printed circuit board assembly can be held up by operating the main frame without bending the waist for operation, which reduces the work intensity of the operator.

Description of the drawings

Fig. 1 is a schematic structural diagram of a conveying device according to an embodiment of the present application.

FIG. 2 is a schematic structural diagram of a pressing member control assembly of the conveying device in FIG. 1 according to an embodiment of the present application.

FIG. 3 is a schematic structural diagram of the vacuum elimination assembly of the conveying device in FIG. 1 according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of the trigger member of the vacuum elimination assembly in Fig. 3 in an initial position according to an embodiment of the present application.

FIG. 5 is a schematic diagram of the structure when the conveying device shown in FIG. 1 conveys the display panel according to an embodiment of the present application.

Fig. 6 is a schematic structural diagram of a pressing member control assembly of a conveying device according to another embodiment of the present application.

Fig. 7 is a schematic structural diagram of a pressing member control assembly of a conveying device according to another embodiment of the present application.

Detailed ways

In order to make the above objectives, features and advantages of the present application more obvious and understandable, the specific implementation of the present application will be described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are explained in order to fully understand this application. However, this application can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without violating the connotation of this application. Therefore, this application is not limited by the specific embodiments disclosed below.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or a central element may also exist. When an element is considered to be "connected" to another element, it can be directly connected to the other element or an intermediate element may be present at the same time.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of this application. The terms used in the description of the application herein are only for the purpose of describing specific embodiments, and are not intended to limit the application. The term "and/or" as used herein includes any and all combinations of one or more related listed items.

As shown in FIGS. 1 to 5, the handling device 100 provided by an embodiment of the present application includes a main frame 110, a suction cup assembly 130 and a holding assembly 150.

The suction cup assembly 130 includes a suction cup 131 fixedly connected to the main frame 110. In this embodiment, the suction cup 131 is located at the bottom of the main frame 110, and the suction cup 131 has a suction end 1312. The suction end 1312 of the suction cup 131 is the end of the suction cup 131 away from the main frame 110, that is, the suction end 1312 of the suction cup 131 is the end of the suction cup 131. Bottom end.

The holding assembly 150 includes a holding member 151 connected to the main frame 110. The holding member 151 has a holding surface 152 that plays a supporting role.

It should be noted that during transportation, the display panel 10 is sucked by the suction cup 131 of the suction cup assembly 130. The printed wiring board assembly 20 is supported by the supporting member 151 of the supporting assembly 150. The holding surface 152 of the holding member 151 supports the printed wiring board assembly 20.

The transport device 100 can use the holding member 151 to hold the printed circuit board assembly 20 provided on the side of the display panel 10. Since the holding member 151 is provided on the main frame 110, the printed circuit board assembly 20 can be held up by operating the main frame 110, without bending over, and reducing the work intensity of the operator. Further, the work intensity of the operator is reduced, and the handling efficiency can be effectively improved.

Specifically, in this embodiment, the holding member 151 is connected to the main frame 110 through the connecting rod 153. The holding member 151 can be inserted between the display panel 10 and the printed circuit board assembly 20, until the holding surface 152 on the holding member 151 is located on the lower side of the printed circuit board assembly 20 to support the printed circuit board assembly 20 Hold up.

Of course, in another feasible embodiment, the shape of the connecting rod 153 can also be changed so that the holding member 151 can be inserted from the side of the printed circuit board assembly 20 away from the display panel 10 to the holding member 151. The rising surface 152 is located on the lower side of the printed wiring board assembly 20.

In this embodiment, the holding assembly 150 is provided only on one side of the main frame 110, which is suitable for the transportation of the display panel 10 with the printed circuit board assembly 20 provided on only one side. It can be understood that, in another feasible embodiment, the structure of the main frame can be adjusted so that the main frame has mutually parallel and/or mutually perpendicular sides, so that the parallel and/or mutually perpendicular sides of the main frame Supporting components are arranged on the sides of the, so as to realize the display panel 10 with printed circuit board components 20 on different sides.

In another feasible embodiment, the holding assembly can also be detachably installed on the main frame, so that the holding assembly can be installed to a corresponding position as required.

Of course, if the display panel to be transported has a non-rectangular shape, that is, the opposite or adjacent sides of the display panel to be transported are neither parallel nor perpendicular, the structure of the main frame can be set according to the shape of the display panel. The holding components arranged on the main frame can hold the printed circuit board components on different sides of the display panel.

Of course, it can be understood that the size of the main frame 110 can be specifically set according to the size of the display panel 10 and the size of the printed circuit board 20.

In this embodiment, the suction cup assembly 130 includes three suction cups 131 in total. The three suction cups 131 are distributed in a triangular shape. It can be understood that, in another feasible embodiment, the suction cup assembly is not limited to include three suction cups, but may also include one, two, or more than three suction cups, which can satisfy the requirement of picking up the display panel 10 and avoiding displaying It is sufficient if the panel is absorbed by the suction cup and has local stress concentration.

1, in this embodiment, the holding assembly 150 further includes a pressing member 155 connected to the main frame 110. The pressing member 155 has a pressing surface 156 that can be disposed opposite to the holding surface 152 of the holding member 151. The pressing surface 156 The size of the gap with the supporting surface 152 is adjustable. Therefore, when the holding member 151 is inserted into the lower end of the printed circuit board assembly 20, the gap between the pressing surface 156 and the holding surface 152 can be adjusted to increase the pressing surface 156 from accidentally colliding with the printed circuit board assembly 20, and the pressing surface can also be avoided The friction between 156 and the printed circuit board assembly 20 protects the printed circuit board assembly 20.

Referring to FIG. 2, in this embodiment, the pressing member 155 is rotatable, so that the gap between the pressing surface 156 and the supporting surface 152 can be adjusted through the rotation of the pressing member 155.

In addition, in another feasible embodiment, the gap between the pressing surface and the holding surface can be adjusted by moving the pressing member.

It can be understood that, in another feasible embodiment, the gap between the pressing surface and the holding surface can be adjusted only by moving the pressing surface. For example, the pressing piece is set in a retractable structure, and the pressing surface is moved by the expansion and contraction of the pressing piece, and the distance between the pressing surface and the holding surface is adjustable, that is, the gap between the pressing surface and the holding surface can be adjusted. Tune.

In addition, in another feasible embodiment, the gap between the pressing surface and the holding surface can be adjusted by moving or rotating the holding surface. For example, the movement or rotation of the supporting surface can be realized by moving or rotating the supporting member.

In another feasible embodiment, the size of the gap between the holding surface and the pressing surface can also be adjusted by moving or rotating the holding surface and the pressing surface at the same time.

In this embodiment, the holding assembly 150 further includes a pressing member control assembly 157 to control the pressing member 155 to rotate.

Referring to FIG. 2, in this embodiment, the pressing member control assembly 157 includes a first connecting rod 1571, a second connecting rod 1572, a third connecting rod 1573, a fourth connecting rod 1574, a fifth connecting rod 1575 and an elastic member 1576.

Wherein, the first link 1571 has a first end 001 hinged to the main frame 110 and a second end 002 opposite to the first end 001. The second link 1572 has a third end 003 hinged to the second end 002 of the first link 1571 and a fourth end 004 opposite to the third end 003. The third link 1573 has a fifth end 005 hinged to the fourth end 004 of the second link 1572 and a sixth end 006 opposite to the fifth end 005; the fourth link 1574 has a connection with the second link 1572 The seventh end 007 of the fourth end 004 is hinged and the eighth end 008 opposite to the seventh end 007. The eighth end 008 of the fourth link 1574 is hinged to the main frame 110. The fifth link 1575 has a ninth end 009 hinged to the main frame 110 and a tenth end 010 fixedly connected to the pressing member 155. The fifth link 1575 is hinged to the sixth end 006 of the third link 1573, and the position where the fifth link 1575 and the third link 1573 are hinged is located between the ninth end 009 and the tenth end 010. Two ends of the elastic member 1576 are respectively fixedly connected to the sixth end 006 of the third link 1573 and the eighth end 008 of the fourth link 1574.

Specifically, by controlling the first connecting rod 1571 to rotate counterclockwise around the first end 001, the second connecting rod 1572 can be driven to move downward, thereby driving the angle a between the third connecting rod 2573 and the fourth connecting rod 1574 to increase, In turn, the fifth link 1575 is driven to rotate counterclockwise around the ninth end 009, thereby driving the pressing member 155 fixedly connected to the tenth end 010 of the fifth link 1575 to rotate around the ninth end 009, that is, driving the pressing surface of the pressing member 155 156 rotates to reduce the gap between the pressing surface 156 and the supporting surface 152, so that the supporting surface 152 and the pressing surface 156 work together to clamp the printed circuit board assembly 20, thereby enabling the printed circuit board assembly to be more firmly held 20 cups.

In this embodiment, the pressing member control assembly 157 further includes a handle 1577 fixedly connected to the first end 001 of the first link 1571. The operator manipulates the pressing member control assembly 157 through the handle 1577, which makes the operation easier.

In this embodiment, the handle 1577 is located at an end of the first end 001 of the first link 1571 away from the second end 002, and the handle 1577 and the first link 1571 are integrally formed. It can be understood that, in another feasible embodiment, the handle and the first connecting rod may also be a separate structure, and the handle and the first connecting rod may be fixedly connected. And the relative position of the handle and the first connecting rod can also be specifically set according to the structure of the main frame and the installation position of the pressing member control assembly.

In this embodiment, the main frame 110 includes a handle 111, so as to facilitate the operator to lift the conveying device and to facilitate the conveying of the display panel.

Further, the first end 01 of the first link 1571 is hinged with the handle 111, so that the handle 1577 is located close to the handle 111, which is convenient for operation. More specifically, referring to FIG. 1, in this embodiment, the handle 1577 is located on the lower side of the handle 111, and the handle 111 and the movable surface of the handle 1577 are coplanar to facilitate the operation of the operator. It can be understood that the movable surface of the handle 1577 refers to the plane on which the handle 1577 rotates around the first end 001 of the first link 1571.

The operator grips the handle 1577 when lifting the handle 111, so that the pressing member 155 can move, so that the pressing surface 156 and the holding surface 152 clamp the printed circuit board assembly 20; when the operator looses the handle 1577, the handle 1577 can be Falling downward under the action of gravity, so that the pressing member 155 moves, so that the gap between the pressing surface 156 and the supporting surface 152 is increased, so that the supporting member 151 can be inserted into the lower side of the printed circuit board assembly 20 or removed from the printed circuit board. The lower side of the assembly 20 is pulled away.

Optionally, in another feasible embodiment, a compressed elastic member may be provided between the handle 111 and the handle 1577, which has given the handle 1577 an elastic force in a direction away from the handle 111. Therefore, when the operator releases the handle, the handle can simultaneously fall under the elastic force of the elastic member to ensure that the pressing member 155 moves to increase the gap between the pressing surface 156 and the holding surface 152.

In another feasible embodiment, a pressing member control assembly may also be provided to control the movement of the pressing member relative to the holding member.

In this embodiment, both the holding surface 152 and the pressing surface 156 are provided with an antistatic buffer layer. On the one hand, it can prevent the holding surface 152 and the pressing surface 156 from generating static electricity due to contact with the printed circuit board assembly 20, thereby preventing Static electricity damages the printed wiring board assembly 20. In addition, the buffer layer also has a certain buffering effect, so as to prevent the supporting surface 152 and the pressing surface 156 from impacting the printed circuit board assembly 20, and reduce the stress of the supporting assembly 150 received by the printed circuit board assembly 20, so as The printed circuit board assembly 20 is better protected during the process.

Specifically, the antistatic buffer layer may be a polyethylene (PE) luminescent material layer, a silica gel coating, a rubber layer, or the like.

1, in this embodiment, the holding member 151 is movably disposed on the main frame 110 along a first direction a-a, and the first direction a-a is parallel to the holding surface 152. Specifically, during the transportation process, the first direction aa is parallel to the side of the display panel 10 with the printed circuit board assembly 20, so as to adapt to the printed circuits installed at different positions on the side of the display panel 10 with the printed circuit board assembly 20 Board assembly 20.

When the printed circuit board assembly 20 is provided on at least two sides of the display panel, at least two holding assemblies are provided on the main frame of the corresponding conveying device. It can be understood that the first directions corresponding to different holding parts are different.

Specifically, in this embodiment, the holding member 151 is connected to the main frame 110 through a connecting rod 153, and the connecting rod 153 is movably arranged on the main frame 110 along the first direction a-a. That is, the movement of the holding member 151 is driven by the movement of the connecting rod 153.

More specifically, the main frame 110 is provided with a sliding groove 113 extending along the first direction a-a, and a side of the connecting rod 153 close to the main frame 110 is provided with a sliding portion 1531 matching the sliding groove 113. The sliding portion 1531 is provided with a fixing hole 1533, and the sliding portion 1531 is fixed in the sliding groove 113 through the fixing hole 1533.

Of course, it can be understood that, in another feasible embodiment, the manner of realizing the movement of the holding member in the first direction is not limited to this. For example, a number of fixing holes arranged in the first direction may be provided on the main frame 110, and the movement of the connecting rod can be realized by fixing the connecting rods at different fixing holes, thereby realizing the movement of the supporting member in the first direction. mobile.

3 and 4, in this embodiment, the suction cup 131 has an air inlet 1311 and an air inlet valve 1313 provided at the air inlet 1311. The suction cup assembly 130 also includes a vacuum elimination assembly 133 that can drive the air inlet valve 1313 to open, so as to quickly eliminate the vacuum state in the suction cup 131 after the display panel 10 is transported to the target position, and then quickly remove the suction cup 131 from the display The panel 10 is removed to reduce operation difficulty and improve handling efficiency.

Specifically in this embodiment, the vacuum elimination assembly 133 includes a tension wire 1331 and a trigger 1332. The tension wire 1331 has a first end 13311 fixedly connected to the inlet valve 1313. The trigger 1332 has an initial position and a trigger position, and the trigger 1332 can be switched between the initial position and the trigger position. When the trigger 1332 is switched from the initial position to the trigger position, the first end 13311 of the tension wire 1331 can be pulled to move, so that the air inlet valve 1313 is in an open state.

More specifically, in this embodiment, the vacuum elimination assembly 133 further includes a first pulley 1333, a second pulley 1334, and a third pulley 1335 that are fixed on the main frame 110. The tension wire 1331 bypasses the first pulley 1333, the second pulley 1334, and the third pulley 1335 sequentially.

The triggering member 1332 is movably arranged on the main frame 110. The triggering member 1332 is moved from the initial position to the triggering position, so that the tension line 1331 between the first pulley 1333 and the second pulley 1334 bends, thereby driving the tension line 1331 The first end 13311 moves to make the air inlet valve 1313 open.

Specifically, the initial position of the triggering member 1332 is the position shown in FIG. 4, at this time the tension line 1331 located between the first pulley 1333 and the second pulley 1334 is linear. The trigger 1332 moves down to the trigger position, that is, the position of the trigger 1332 in FIG. 3, so that the tension line 1331 between the first pulley 1333 and the second pulley 1334 bends downward, thereby pulling the tension line 1331 The first end 13311 moves to make the air inlet valve 1313 in an open state.

In this embodiment, the trigger 1332 is movably arranged on the handle 111, thereby facilitating the operation of the operator.

Further, in this embodiment, the vacuum elimination assembly 133 further includes an elastic member 1336 that can automatically restore the triggering member 1332 from the triggering position to the initial position. In this way, it is avoided that the suction cup 131 is accidentally evacuated during the transportation process, that is, the display panel 10 is prevented from falling due to the suction cup evacuating the vacuum, thereby ensuring that the display panel 10 can be smoothly transported to the target position.

It should be noted that in other feasible embodiments, the structure of the vacuum elimination assembly is not limited to this, and may also be other structures that can make the air inlet valve in an open state.

As shown in FIG. 6, the pressing piece control assembly 257 of the conveying device provided by another embodiment of the application is different from the pressing piece control assembly 157 in that in the pressing piece control assembly 257, the ninth link of the fifth link 2575 is The end 009 is hinged to the third link 2573, and the position of the fifth link 2575 to be hinged to the main frame is located between the ninth end 009 and the tenth end 010.

The operator grips the handle 2577 when lifting the handle 111, and controls the first link 2571 to rotate counterclockwise around the first end 001, which can drive the second link 2572 to move downward, thereby driving the third link 2573 and the fourth link The included angle of the rod 2574 increases, which in turn drives the fifth link 2575 to rotate clockwise around its hinged position with the main frame, thereby driving the pressing member 155 fixedly connected to the tenth end 010 of the fifth link 2575 to rotate, that is, to drive The pressing surface 156 of the pressing member 155 rotates to increase the gap between the pressing surface 156 and the holding surface 152 so that the holding member can be inserted into the lower side of the printed circuit board assembly 20 or drawn away from the lower side of the printed circuit board assembly 20.

Conversely, when the operator releases the handle 2577, the handle 2577 can fall downward under the action of gravity, so that the pressing member 155 is moved, so that the gap between the pressing surface 156 and the supporting surface is reduced, thereby making the supporting surface 152 It works with the pressing surface 156 to clamp the printed circuit board assembly 20, so that the printed circuit board assembly 20 can be held up more firmly.

In other words, when the display panel is being transported, the handle 2577 is released, so that the pressing member 155 exerts the same force on the printed circuit board assembly 20 each time. To avoid excessive force of the pressing member 155 on the printed circuit board assembly 20 due to human factors, thereby effectively avoiding damage to the printed circuit board assembly 20.

In addition, in this embodiment, the pressing member control assembly 157 is different in that the pressing member control assembly 257 also includes a compressed elastic member 2578 arranged between the handle 2577 and the handle 111 to give the handle 2577 a direction away from the handle. Elastic force, so that when the handle 2577 is released, the pressing member 155 can be pressed against the printed circuit board assembly 20 to avoid the situation that the handle 2577 cannot move away from the handle under the action of gravity due to the inclination of the conveying device. It can better ensure the pressure of the pressing member 155 and the printed circuit board assembly 20.

As shown in FIG. 7, the pressing piece control assembly 357 of the conveying device provided by another embodiment of this application is different from the pressing piece control assembly 257 in that the pressing piece control assembly 357 includes a first connecting rod 3571 and a second connecting rod. Rod 3572, rack 3573, and gear 3574.

Specifically, the first link 3571 has a first end 001 hinged to the main frame and a second end 02 opposite to the first end 001. The second link 3572 has a third end 003 hinged to the second end 002 of the first link 3571 and a fourth end 004 opposite to the third end 003.

The rack 3573 is movably arranged on the main frame. The rack 3573 has a fifth end 005 hinged to the fourth end 004 of the second link 3572 and a sixth end 006 opposite to the fifth end 005. The gear 3574 is rotatably arranged on the main frame and meshes with the rack 3573, so that the movement of the gear 3574 can be driven by the movement of the rack 3373. The gear 3574 is fixedly connected with the pressing piece, so that the rotation of the gear 3574 can drive the rotation of the pressing piece, that is, the gap between the pressing piece and the supporting surface can be adjusted.

In this embodiment, the gear teeth of the rack 3573 are arranged along the direction from the fifth end 005 to the sixth end 006. It can be understood that, in another feasible implementation, the arrangement direction of the gear teeth of the rack may also be inclined relative to the direction from the fifth end to the sixth end of the rack.

The operator grips the handle 3577 when lifting the handle 111, and controls the first link 3571 to rotate counterclockwise around the first end 001, which can drive the second link 3572 to move downwards, and then drive the rack 2573 to move downwards, and then drive The gear 3574 rotates clockwise, thereby driving the pressing member 155 fixedly connected to the gear 3574 to rotate, that is, driving the pressing surface 156 of the pressing member 155 to rotate, so as to increase the gap between the pressing surface 156 and the supporting surface 152, and facilitate the lifting of the member Insert into the lower side of the printed circuit board assembly 20, or withdraw from the lower side of the printed circuit board assembly 20.

Conversely, if the operator releases the handle 3577, the handle 3577 can fall downward under the action of gravity, so that the pressing member 155 is moved, so that the gap between the pressing surface 156 and the supporting surface is reduced, thereby making the supporting surface 152 It works with the pressing surface 156 to clamp the printed circuit board assembly 20, so that the printed circuit board assembly 20 can be held up more firmly.

Similarly, in this embodiment, a compression elastic member 3578 is also provided between the handle 3577 and the handle 111 to give the handle 3577 an elastic force away from the handle 111, so that when the handle 3577 is released, the pressing member 155 can Press against the printed circuit board assembly 20 to prevent the handle 3577 from being unable to move away from the handle under the action of gravity due to the inclination of the conveying device, which can better ensure the pressing member 155 and the printed circuit board assembly 20 Of resistance.

In this embodiment, the pressing member 155 is fixedly connected to the gear 3574 through the connecting member 3575. It can be understood that, in other feasible embodiments, the pressing member may also be directly fixedly connected to the gear 3574, or fixedly connected to the gear 3574 through other elements.

It can be understood that, in other feasible embodiments, the structure of the pressing member control assembly is not limited to this, and it may also be a link structure of other forms, or a non-linking structure, which can control the movement or rotation of the pressing member.

In a feasible embodiment, the holding assembly includes at least two holding members distributed along the first direction, so as to be applicable to the case where the side of the display panel has at least two printed circuit board assemblies. Of course, when the length of the printed circuit board assembly in the first direction is relatively long, at least two holding members can also be used to hold the printed circuit board assembly.

The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, All should be considered as the scope of this specification.

The above-mentioned embodiments only express several implementation manners of this application, and their descriptions are more specific and detailed, but they should not be construed as limiting the scope of this application. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of this application, several modifications and improvements can be made, and these all fall within the protection scope of this application. Therefore, the scope of protection of the patent of this application shall be subject to the appended claims.

Claims

A handling device, which includes:

Main Frame;

The suction cup assembly includes a suction cup fixedly connected to the main frame, the suction cup has a suction end, and the suction end is an end of the suction cup far away from the main frame; and

The holding assembly includes a holding member connected with the main frame, and the holding member has a holding surface that plays a bearing role.
The conveying device according to claim 1, wherein the holding assembly further comprises a pressing member connected to the main frame, the pressing member having a pressing surface that can be arranged opposite to the holding surface of the holding member , The size of the gap between the pressing surface and the holding surface is adjustable.
3. The conveying device according to claim 2, wherein the holding surface is movable or rotatable, so that the size of the gap between the pressing surface and the holding surface is adjustable.
3. The conveying device according to claim 2, wherein the pressing member can move or rotate, so that the gap between the pressing surface and the supporting surface is adjustable.
4. The conveying device according to claim 4, wherein the holding assembly further comprises a pressing member control assembly to control the movement or rotation of the pressing member.
The handling device according to claim 5, wherein the pressing member control assembly comprises:

A first link having a first end hinged to the main frame and a second end opposite to the first end;

A second connecting rod having a third end hinged to the second end of the first connecting rod and a fourth end opposite to the third end;

A third link having a fifth end hinged to the fourth end of the second link and a sixth end opposite to the fifth end;

The fourth link has a seventh end hinged to the fourth end of the second link and an eighth end opposite to the seventh end. The eighth end of the fourth link is connected to the main frame Articulated

The two ends of the elastic member are respectively fixedly connected with the sixth end of the third connecting rod and the eighth end of the fourth connecting rod; and

The fifth connecting rod has a ninth end hinged to the main frame and a tenth end fixedly connected to the pressing member; the fifth connecting rod is hinged to the sixth end of the third connecting rod, the The hinged position of the fifth link and the third link is located between the ninth end and the tenth end.
7. The carrying device according to claim 6, wherein the pressing member control assembly further comprises a handle fixedly connected to the first end of the first link.
8. The transport device according to claim 7, wherein the main frame includes a handle, and the first end of the first link is hinged with the handle.
8. The carrying device according to claim 8, wherein a compression elastic member is provided between the handle and the handle to give the handle an elastic force in a direction away from the handle.
The handling device according to claim 5, wherein the pressing member control assembly comprises:

A first link having a first end hinged to the main frame and a second end opposite to the first end;

A second connecting rod having a third end hinged to the second end of the first connecting rod and a fourth end opposite to the third end;

A third link having a fifth end hinged to the fourth end of the second link and a sixth end opposite to the fifth end;

The fourth link has a seventh end hinged to the fourth end of the second link and an eighth end opposite to the seventh end. The eighth end of the fourth link is connected to the main frame Articulated

The two ends of the elastic member are respectively fixedly connected with the sixth end of the third connecting rod and the eighth end of the fourth connecting rod; and

The fifth link has a ninth end hingedly connected to the sixth end of the third link and a tenth end fixedly connected to the pressing member; the fifth link is hinged to the main frame, the The position where the fifth link is hinged with the main frame is located between the ninth end and the tenth end.
The handling device according to claim 5, wherein the pressing member control assembly comprises:

A first link having a first end hinged to the main frame and a second end opposite to the first end;

A second connecting rod having a third end hinged to the second end of the first connecting rod and a fourth end opposite to the third end;

A rack movably provided on the main frame, the rack having a fifth end hinged to the fourth end of the second link and a sixth end opposite to the fifth end; and

A gear is rotatably arranged on the main frame and meshes with the rack; the gear is fixedly connected with the pressing member.
The conveying device according to claim 2, wherein the supporting surface and/or the pressing surface is provided with an antistatic buffer layer.
The transport device according to claim 12, wherein the anti-static buffer layer is a polyethylene luminescent material layer, a silica gel coating or a rubber layer.
The conveying device according to claim 1, wherein the holding member is movably arranged on the main frame along a first direction, and the first direction is parallel to the holding surface.
14. The conveying device according to claim 14, wherein the holding member is connected to the main frame by a connecting rod, and the connecting rod is movably arranged on the main frame along the first direction.
The conveying device according to claim 1, wherein the holding assembly includes at least two holding members distributed along a first direction, the first direction being parallel to the holding surface.
The conveying device according to claim 1, wherein the suction cup has an air inlet and an air inlet valve provided at the air inlet; the suction cup assembly further includes an air inlet valve that can drive the air inlet valve to open Vacuum components in state.
The conveying device according to claim 17, wherein the vacuum elimination assembly comprises:

A tension wire having a first end fixedly connected to the air inlet valve; and

The trigger has an initial position and a trigger position, and the trigger can be switched between the initial position and the trigger position; when the trigger is switched from the initial position to the trigger position, the trigger can be pulled The first end of the tension wire moves to make the air inlet valve in an open state.
The transport device according to claim 18, wherein the vacuum elimination assembly further comprises a first pulley, a second pulley and a third pulley fixedly arranged on the main frame;

The tensioning wire sequentially bypasses the first pulley, the second pulley and the third pulley;

The trigger member is movably arranged on the main frame, and the trigger member is moved from the initial position to the trigger position, so that the tension between the first pulley and the second pulley The tight line is bent.
11. The transport device according to claim 19, wherein the vacuum elimination assembly further comprises an elastic member that can automatically restore the triggering member from the triggering position to the initial position.