CN218968187U - Adsorption mechanism and panel taking and placing device - Google Patents

Abstract

The utility model discloses an adsorption mechanism and a panel taking and placing device, wherein the adsorption mechanism comprises a substrate, a first adsorption assembly, a second adsorption assembly and two guide rods, the first adsorption assembly comprises a first mounting plate which is arranged on the substrate in a sliding manner along a first direction, a first sucker group and a second sucker group which can slide along a second direction are arranged on the first mounting plate, the second adsorption assembly comprises a second mounting plate, a third sucker group and a fourth sucker group, the first sucker group and the third sucker group are sleeved outside one guide rod in a sliding manner along the first direction, and the second sucker group and the fourth sucker group are sleeved outside the other guide rod in a sliding manner along the first direction. In this application, first sucking disc group, second sucking disc group, third sucking disc group and fourth sucking disc group on the base plate can realize two liang synchronous movement, adsorb the product with the absorptive mode of rectangle when adjusting adsorption area to match four angles of not unidimensional product, guarantee the adsorption effect to not unidimensional product.

Description

Adsorption mechanism and panel taking and placing device

Technical Field

The utility model relates to the technical field of display panel conveying, in particular to an adsorption mechanism and a panel taking and placing device.

Background

In the production process of the display panel, the position of the display panel needs to be transferred through various conveying devices so as to finish various processing procedures. For example, in the display panel repairing apparatus, a display panel stored in a magazine may be sucked by a robot arm in combination with a suction cup, and placed on a stage, so that the display panel performs repairing work on the stage, and after repairing is completed, the display panel is sucked again and returned to the magazine.

However, when the existing mechanical arm is fixed in position and the mechanical arm adsorbs display panels with different sizes, uneven distribution of the positions of the suction nozzles relative to products may occur, and workers are required to manually adjust the positions of the suction nozzles or replace the mechanical arms with different specifications, so that production cost is increased.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present application provides an adsorption mechanism and a panel pick-and-place device, which can stably adsorb products with different sizes.

The embodiment adopts the following technical scheme:

an adsorption mechanism comprising:

a substrate;

the first adsorption assembly comprises a first mounting plate, a first sucker group and a second sucker group, wherein the first mounting plate is arranged on the substrate in a sliding manner along a first direction, the first sucker group and the second sucker group are respectively arranged at two ends of the first mounting plate in a sliding manner along a second direction, and the first direction is perpendicular to the second direction;

the second adsorption assembly is arranged at intervals with the first adsorption assembly, the second adsorption assembly comprises a second mounting plate, a third sucker group and a fourth sucker group, the second mounting plate is arranged on the base plate in a sliding manner along a first direction, and the third sucker group and the fourth sucker group are respectively arranged at two ends of the second mounting plate in a sliding manner along a second direction; and

the two guide rods are sleeved outside one guide rod in a sliding mode along a first direction, and the second sucker group and the fourth sucker group are sleeved outside the other guide rod in a sliding mode along the first direction.

Further, in the adsorption mechanism, the device further comprises a third adsorption assembly, the third adsorption assembly comprises at least one first middle sucker assembly, the first middle sucker assembly is slidably arranged on the substrate along the second direction, and the first sucker set, the first middle sucker set and the third sucker set are sequentially sleeved outside the guide rod along the first direction in a sliding manner.

Further, in the adsorption mechanism, the device further comprises a fourth adsorption assembly, the fourth adsorption assembly comprises at least one second middle sucker assembly, the second middle sucker assembly is slidably arranged on the substrate along a second direction, and the second sucker set, the second middle sucker set and the fourth sucker set are sequentially sleeved outside the guide rod along the first direction in a sliding manner.

Further, in the adsorption mechanism, the adsorption mechanism further comprises a longitudinal driving assembly arranged on the substrate, and the longitudinal driving assembly is used for driving the first middle sucker assembly and the second middle sucker assembly to move oppositely or back to back along a second direction.

Further, in the adsorption mechanism, the circuit board adsorption assembly is further included, the circuit board adsorption assembly comprises a first supporting plate and a suction nozzle, the first supporting plate is fixed on one side of the first middle sucker group, and the suction nozzle is arranged on the first supporting plate.

Further, in the adsorption mechanism, the adsorption mechanism further comprises a top screen assembly, the top screen assembly comprises a second supporting plate and a propping piece, the second supporting plate is fixed on the other side of the first middle sucker group, and the propping piece is arranged on the second supporting plate.

Further, in the adsorption mechanism, the adsorption mechanism further comprises a transverse driving assembly arranged on the base plate, and the transverse driving assembly is used for driving the first mounting plate and the second mounting plate to move oppositely or back to back along a first direction.

Further, in the adsorption mechanism, four detection cameras are further included and are respectively arranged at the sides of the first sucker group, the second sucker group, the third sucker group and the fourth sucker group.

Further, in the adsorption mechanism, the first suction cup group includes a support and a plurality of suction cups, the support is slidably disposed on the first mounting plate along the second direction, and the plurality of suction cups are arranged on the support in a preset manner.

The panel taking and placing device comprises a manipulator, an adapter plate and an adsorption mechanism, wherein the adapter plate is fixed on a substrate, and the substrate is installed at the execution end of the manipulator through the adapter plate.

Compared with the prior art, the adsorption mechanism and the panel taking and placing device provided by the application, the first sucking disc group and the second sucking disc group can move along the first direction along with the first mounting plate, the third sucking disc group and the fourth sucking disc group can move along the first direction along with the second mounting plate, the first sucking disc group and the third sucking disc group can move along the second direction along with the third sucking disc group under the action of one guide rod, the second sucking disc group and the fourth sucking disc group can move along the second direction along with the action of the other guide rod, and therefore the two adjacent sucking disc groups can move synchronously, the adsorption area of an adsorption area can be adjusted, the first sucking disc group, the second sucking disc group, the third sucking disc group and the fourth sucking disc group can be formed, the adsorption area can be rectangular, namely, two adjacent two angles of the adsorption area can be aligned, the sucking disc groups corresponding to four angles of the adsorption area can be aligned with four angles accurately, and the position deviation of a sucking disc assembly at one angle can be avoided, and the position deviation of the sucking disc assembly can not be caused to accurately align the product.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of an adsorption mechanism provided in the present application.

Fig. 2 is a schematic structural diagram of a first adsorption component in the adsorption mechanism shown in fig. 1.

Fig. 3 is a schematic structural diagram of a second adsorption component in the adsorption mechanism shown in fig. 1.

Fig. 4 is a schematic structural diagram of a third adsorption component in the adsorption mechanism shown in fig. 1.

Fig. 5 is a schematic structural diagram of a fourth adsorption component in the adsorption mechanism shown in fig. 1.

Fig. 6 is a schematic view of the adsorption mechanism shown in fig. 1 at another angle.

Fig. 7 is a schematic view of a structure of a substrate in the adsorption mechanism shown in fig. 1.

10, a substrate; 11. a transverse guide rail; 12. a third longitudinal rail; 20. a first adsorption assembly; 21. a first mounting plate; 211. a first longitudinal rail; 22. a first suction cup group; 23. a second suction cup group; 30. a second adsorption assembly; 31. a second mounting plate; 311. a second longitudinal rail; 32. a third suction cup group; 33. a fourth suction cup group; 40. a guide rod; 50. a third adsorption assembly; 51. a first intermediate suction cup set; 60. a fourth adsorption assembly; 61. a second intermediate suction cup set; 70. a lateral drive assembly; 80. a longitudinal drive assembly; 90. an adapter plate; 100. detecting a camera; 110. a circuit board adsorption assembly; 111. a first support plate; 112. a suction nozzle; 120. a top screen assembly; 121. a second support plate; 122. a pressing member; 200. a panel.

Detailed Description

In order to make the objects, technical solutions and effects of the present application clearer and more specific, the present application will be further described in detail below with reference to the accompanying drawings and examples. It is to be understood that the specific examples described herein are for purposes of illustration only and are not intended to limit the present application, as elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

It should be noted that when a meta-structure is referred to as being "fixed" or "disposed" on another meta-structure, it may be directly on the other meta-structure or indirectly on the other meta-structure. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.

The terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operate in a particular orientation.

The application provides an adsorption mechanism for adsorbing various products to be carried, such as LCD display panels, LED display panels and other liquid crystal display panels. Referring to fig. 1, the adsorption mechanism provided in the present application includes a substrate 10, a first adsorption assembly 20 and a second adsorption assembly 30, the substrate 10 is used for supporting the first adsorption assembly 20 and the second adsorption assembly 30, the first adsorption assembly 20 and the second adsorption assembly 30 are used for adsorbing products, and the substrate 10 can be mounted on a suitable driving device, such as a manipulator, a gantry, etc., and the driving device drives the adsorption mechanism to move to a desired position.

Referring to fig. 2, the first suction assembly 20 includes a first mounting plate 21, a first suction cup set 22 and a second suction cup set 23, wherein the first mounting plate 21 is slidably disposed on one side of the substrate 10 along a first direction, and the first suction cup set 22 and the second suction cup set 23 are slidably disposed on two ends of the first mounting plate 21 along a second direction, respectively;

referring to fig. 3, the second suction assembly 30 may have the same or similar structure as the first suction assembly 20, and includes a second mounting plate 31, a third suction cup set 32 and a fourth suction cup set 33, wherein the second mounting plate 31 is slidably disposed on the other side of the substrate 10 along the first direction, and the third suction cup set 32 and the fourth suction cup set 33 are slidably disposed on two ends of the second mounting plate 31 along the second direction respectively

The first direction is perpendicular to the second direction, as shown in fig. 1, and the first direction may be a long side direction of the substrate 10, i.e., a left-right direction of the substrate 10; the second direction may be a short side direction of the substrate 10, i.e., an up-down direction of the substrate 10.

It will be understood that the first mounting plate 21 and the second mounting plate 31 are respectively located at the left and right sides of the base plate 10, and the left and right positions of the first suction cup set 22, the second suction cup set 23, the third suction cup set 32 and the fourth suction cup set 33 can be adjusted by sliding the first mounting plate 21 and the second mounting plate 31 left and right.

The first suction cup group 22 and the second suction cup group 23 are respectively located at the upper side and the lower side of the first mounting plate 21, the third suction cup group 32 and the fourth suction cup group 33 are respectively located at the upper side and the lower side of the second mounting plate 31, and the upper and lower positions of the first suction cup group 22, the second suction cup group 23, the third suction cup group 32 and the fourth suction cup group 33 can be adjusted by sliding the corresponding suction cup groups.

The suction mechanism further comprises two guide rods 40, the first suction cup set 22 and the third suction cup set 32 are slidably sleeved in one guide rod 40 along the first direction, and the second suction cup set 23 and the fourth suction cup set 33 are slidably sleeved in the other guide rod 40 along the first direction.

The guide bar 40 ensures that the first suction cup set 22 is aligned with the third suction cup set 32 to move the first suction cup set 22 up and down simultaneously with the third suction cup set 32, and that the second suction cup set 23 is aligned with the fourth suction cup set 33 to move the second suction cup set 23 and the fourth suction cup set 33 up and down simultaneously.

Therefore, the first suction cup group 22 and the second suction cup group 23 can move along the first direction along with the first mounting plate 21, the third suction cup group 32 and the fourth suction cup group 33 can move along the first direction along with the second mounting plate 31, the first suction cup group 22 and the third suction cup group 32 can move along the second direction along with the second direction under the action of one guide rod 40, the second suction cup group 23 and the fourth suction cup group 33 can move along the second direction along with the action of the other guide rod 40, and therefore, the two-by-two synchronous movement of each adjacent suction cup group in the first suction cup group 22, the second suction cup group 23, the third suction cup group 32 and the fourth suction cup group 33 can be realized, the suction area of the suction area formed by the first suction cup group 22, the second suction cup group 23, the third suction cup group 32 and the fourth suction cup group 33 can be adjusted, the suction area can be ensured to be rectangular, namely, the two adjacent two corners of the suction area are aligned, the groups corresponding to four corners of the suction area can be accurately aligned with four corners of a product, and the position deviation of the suction cup assembly at one corner can be avoided, and the required suction cup assembly cannot accurately align the position of the suction cup assembly on the product.

In some embodiments, referring to fig. 1 and 4, the suction mechanism further includes a third suction assembly 50, where the third suction assembly 50 includes a first middle suction cup set 51 slidably disposed on one side of the substrate 10 along the second direction, and the first suction cup set 22, the first middle suction cup set 51, and the third suction cup set 32 are slidably disposed outside a guide rod 40 along the first direction in sequence.

The first middle suction cup group 51 serves to increase the suction points between the first suction cup group 22 and the third suction cup group 32, so that the suction is more stable and uniform. The number of first intermediate suction cup assemblies 51 may be set to one or more, for example, three, and the guide bar 40 may be fixed to the first intermediate suction cup assembly 51 at the most middle, preventing the position of the guide bar 40 from being shifted.

Further, referring to fig. 1 and 5, the suction mechanism further includes a fourth suction assembly 60, and the fourth suction assembly 60 includes a second middle suction cup set 61 slidably disposed on the other side of the substrate 10 along the second direction, and the second suction cup set 23, the second middle suction cup set 61 and the fourth suction cup set 33 are sequentially slidably disposed outside the other guide rod 40 along the first direction.

The second middle suction cup set 61 is used for increasing the suction points between the second suction cup set 23 and the fourth suction cup set 33, so that the suction is more stable and uniform. The number of second intermediate suction cup sets 61 may be set to one or more, for example, three, and another guide bar 40 may be fixed to the second intermediate suction cup set 61 in the middle, preventing the guide bar 40 from being displaced.

Thus, the first suction cup group 22, the second suction cup group 23, the third suction cup group 32 and the fourth suction cup group 33 form four corners of a rectangular suction area, and the first intermediate suction cup group 51 and the second intermediate suction cup group 61 are located on the upper and lower sides of the rectangular suction area. Meanwhile, a new sucker group positioned between the first sucker group 22 and the second sucker group 23 and between the third sucker group 32 and the fourth sucker group 33 can be also arranged on the first mounting plate 21 and the second mounting plate 31; in addition, one or more fixed sucking disc groups can be arranged on the substrate 10 in the rectangular sucking area, so that the sucking points of the rectangular sucking area are distributed at all positions, and products aligned to the rectangular sucking area can be uniformly sucked, thereby improving the sucking stability.

Specifically, the first suction cup group 22 includes a support and a plurality of suction cups, the support is slidably disposed on the first mounting plate 21 along the second direction, and the plurality of suction cups are arranged on the support in a preset manner.

The support is used for supporting the sucking discs, a plurality of sucking discs are all communicated with the vacuum generator, products are adsorbed in the accessible vacuum, and specific quantity and the arrangement mode of a plurality of sucking discs can be set up and changed according to actual adsorption conditions. The second suction cup set 23, the third suction cup set 32 and the fourth suction cup set 33 may have the same or similar structure as the first suction cup set 22, which is not limited in this application.

In some embodiments, referring to fig. 1 and 6, the suction mechanism further includes a transverse driving assembly 70 disposed on the base plate 10 for driving the first mounting plate 21 and the second mounting plate 31 to slide along the first direction, so that the left and right positions of the first suction cup set 22, the second suction cup set 23, the third suction cup set 32 and the fourth suction cup set 33 can be automatically adjusted.

Specifically, the transverse driving assembly 70 includes a first driving wheel, a first driven wheel, and a first synchronous belt sleeved outside the first driving wheel and the first driven wheel, where two sides of the first synchronous belt are both disposed along a first direction and are respectively connected to the first mounting plate 21 and the second mounting plate 31, so that when the first driving wheel drives the first synchronous belt to rotate, the first mounting plate 21 and the second mounting plate 31 can synchronously move in opposite directions or synchronously move in opposite directions along the first direction.

Referring to fig. 1 and 7, a plurality of transverse rails 11 may be disposed on the base 10, such that the first mounting plate 21 is mounted on the plurality of transverse rails 11 through a first transverse sliding block, and the second mounting plate 31 is mounted on the plurality of transverse rails 11 through a second transverse sliding block, so that the movement of the first mounting plate 21 and the second mounting plate 31 along the first direction is more precise and stable.

In addition, the lateral driving assembly 70 may be disposed on the back surface of the substrate 10, so as to avoid the lateral driving assembly 70 occupying the front space of the substrate 10. At this time, both sides of the first synchronous belt may be connected to the first mounting plate 21 and the second mounting plate 31 through the corresponding connecting pieces passing through the base plate 10, and corresponding sliding grooves may be formed on the base plate 10, so that the connecting pieces may slide in the first direction in the sliding grooves.

In some embodiments, the suction mechanism further includes a longitudinal driving assembly 80 disposed on the substrate 10, and the longitudinal driving assembly 80 is configured to drive the first middle suction cup assembly 51 and the second middle suction cup assembly 61 to move toward each other or back to each other along the second direction.

Specifically, the longitudinal driving assembly 80 includes a second driving wheel, a second driven wheel, and a second synchronous belt sleeved outside the second driving wheel and the second driven wheel, where two sides of the second synchronous belt are both disposed along the second direction and connected to the first middle suction cup group 51 and the second middle suction cup group 61 respectively.

When the second driving wheel drives the second synchronous belt to rotate, the first middle sucker group 51 and the second middle sucker group 61 can synchronously move in opposite directions or synchronously move back to back along the second direction, the first middle sucker group 51 can drive the first sucker group 22 and the third sucker group 32 to move up and down through the guide rod 40, and the second middle sucker group 61 can drive the second sucker group 23 and the fourth sucker group 33 to move up and down through the other guide rod 40, so that the up and down positions of the sucker groups can be automatically adjusted.

A first longitudinal guide rail 211 may be provided on the first mounting plate 21, such that the first suction cup group 22 and the second suction cup group 23 are mounted on the first longitudinal guide rail 211 through first longitudinal sliding blocks, respectively; meanwhile, a second longitudinal guide rail 311 can be arranged on the second mounting plate 31, so that the third sucking disc group 32 and the fourth sucking disc group 33 are respectively arranged on the second longitudinal guide rail 311 through a second longitudinal sliding block; and a third longitudinal guide rail 12 may be disposed on the substrate 10, so that the first middle sucker set 51 and the second middle sucker set 61 are respectively mounted on the third longitudinal guide rail 12 through a third longitudinally moving slider, and the movement of the first sucker set 22, the second sucker set 23, the third sucker set 32, the fourth sucker, the first middle sucker set 51 and the second middle sucker set 61 along the second direction is more accurate and stable.

The application also provides a panel taking and placing device for carrying the panel, wherein the panel can be a liquid crystal display panel or other rectangular plates. Referring to fig. 1 and 6, the panel picking and placing device includes the above-mentioned adsorption mechanism, the adapter plate 90 and the manipulator, the adapter plate 90 is fixed on the substrate 10, and the substrate 10 is mounted on the executing end of the manipulator through the adapter plate 90, so that the manipulator can drive the whole adsorption mechanism to move, thereby sucking the panel 200 and driving the panel 200 to move.

In some embodiments, the suction mechanism further includes four detection cameras 100 disposed laterally of the first suction cup set 22, the second suction cup set 23, the third suction cup set 32, and the fourth suction cup set 33, respectively.

The detection camera 100 is used for detecting the accurate position of a product to be carried, and improving the accuracy of product carrying. For example, when the panel 200 needs to be placed in the magazine, in order to avoid that the panel 200 cannot be aligned to the magazine due to errors, the four corners of the panel 200 can be photographed and positioned by the four detection cameras 100, the position of the panel 200 relative to the magazine is determined, the panel 200 is smoothly placed in the magazine by correcting the deviation, and four right-angle clamping edges in the magazine accurately clamp four corners of the panel 200.

In addition, since the four detection cameras 100 are respectively disposed at the sides of the first suction cup group 22, the second suction cup group 23, the third suction cup group 32 and the fourth suction cup group 33, when the positions of the first suction cup group 22, the second suction cup group 23, the third suction cup group 32 and the fourth suction cup group 33 are adjusted, the positions of the four detection cameras 100 are correspondingly adjusted. In addition, the first suction cup group 22, the second suction cup group 23, the third suction cup group 32 and the fourth suction cup group 33 are in a two-to-two synchronous movement adjusting mode, so that two adjacent detection cameras 100 are also in a synchronous movement adjusting mode, and the four detection cameras 100 can be ensured to accurately aim at four corners of the panel 200 for photographing.

In some embodiments, referring to fig. 1 and 4, the suction mechanism further includes a circuit board suction assembly 110, the circuit board suction assembly 110 includes a first support plate 111 and a suction nozzle 112, the first support plate 111 is fixed on one side of the first middle suction cup set 51 (i.e. the outer side of the first middle suction cup set 51), and the suction nozzle 112 is disposed on the first support plate 111.

When the panel 200 is a display panel, the side of the panel is typically connected to a circuit board through a flat cable. The suction nozzle 112 is communicated with the vacuum generator, and can vacuum-adsorb the circuit board connected to the side of the panel 200, so as to avoid the disconnection of the circuit board and the panel 200 in the process of carrying.

Further, the number of the suction nozzles 112 may be set to be plural, and the plural suction nozzles 112 are arranged on the first support plate 111 in the first direction. The plurality of suction nozzles 112 are used for sucking the circuit board, so that the sucking effect can be improved, and the position of the circuit board is prevented from being deviated.

In some embodiments, the suction mechanism further includes a top screen assembly 120, where the top screen assembly 120 includes a second support plate 121 and a propping member 122, the second support plate 121 is fixed on the other side of the first middle suction cup set 51 (i.e., the inner side of the first middle suction cup set 51), and the propping member 122 is disposed on the second support plate 121.

After the adsorption mechanism adsorbs the panel 200, it is sometimes necessary to turn the panel 200 over 180 degrees, at this time, the panel 200 presses down the suction cup due to gravity, and the circuit board presses down the suction nozzle 112 due to gravity.

Because of the large weight of the panel 200, the deformation of the suction cup caused by the pressing down of the panel is also large, which can lead to the panel 200 being lowered to a depth greater than that of the circuit board. Meanwhile, since the panel 200 and the circuit board are both in the adsorbed state, the panel 200 may be pulled down to the circuit board, resulting in the broken wire between the circuit board and the panel 200.

The purpose of the propping piece 122 is to prop against the panel 200, the difference between the top height of the panel 200 and the top height of the sucker is set within a reasonable range, so that when the panel 200 presses the sucker downwards, the panel 200 is propped against the propping piece 122 after a certain height is lowered, and the panel 200 is prevented from continuously lowering to pull the circuit board.

Further, the number of the abutting pieces 122 may be plural, and the plurality of abutting pieces 122 are arranged on the second supporting plate 121 along the first direction. The plurality of propping pieces 122 are used for supporting the panel 200, so that the supporting effect can be improved, and the panel 200 is prevented from being inclined due to uneven stress.

Referring to fig. 5, a top screen assembly 120 may be disposed on a side of the second middle suction cup set 61 facing the first middle suction cup set 51, so that both sides of the display panel are lifted up by the top screen assembly 120, and the display panel is ensured to be in a horizontal state.

It will be understood that equivalents and modifications will occur to persons skilled in the art and may be made in accordance with the present utility model and its application and spirit, and all such modifications and substitutions are intended to be included within the scope of the following claims.

Claims (10)

1. An adsorption mechanism, comprising:

a substrate;

the first adsorption assembly comprises a first mounting plate, a first sucker group and a second sucker group, wherein the first mounting plate is arranged on the substrate in a sliding manner along a first direction, the first sucker group and the second sucker group are respectively arranged at two ends of the first mounting plate in a sliding manner along a second direction, and the first direction is perpendicular to the second direction;

the second adsorption assembly is arranged at intervals with the first adsorption assembly, the second adsorption assembly comprises a second mounting plate, a third sucker group and a fourth sucker group, the second mounting plate is arranged on the base plate in a sliding manner along a first direction, and the third sucker group and the fourth sucker group are respectively arranged at two ends of the second mounting plate in a sliding manner along a second direction; and

the two guide rods are sleeved outside one guide rod in a sliding mode along a first direction, and the second sucker group and the fourth sucker group are sleeved outside the other guide rod in a sliding mode along the first direction.

2. The suction mechanism of claim 1, further comprising a third suction assembly, wherein the third suction assembly comprises at least one first intermediate suction cup assembly slidably disposed on the substrate along a second direction, and wherein the first suction cup assembly, the first intermediate suction cup assembly, and the third suction cup assembly are slidably disposed in sequence along the first direction over one of the guide rods.

3. The suction mechanism of claim 2, further comprising a fourth suction assembly comprising at least one second intermediate suction cup assembly slidably disposed on the base plate in a second direction, the second suction cup assembly, the second intermediate suction cup assembly, and the fourth suction cup assembly being slidably disposed in sequence over the other guide rod in the first direction.

4. The suction mechanism as recited in claim 3, further comprising a longitudinal drive assembly disposed on the base plate for driving the first and second intermediate suction cup assemblies to move toward or away from each other in a second direction.

5. The suction mechanism of any one of claims 2-4, further comprising a circuit board suction assembly, the circuit board suction assembly comprising a first support plate and a suction nozzle, the first support plate being secured to one side of the first intermediate suction cup set, the suction nozzle being disposed on the first support plate.

6. The suction mechanism of claim 5, further comprising a top screen assembly comprising a second support plate secured to the other side of the first intermediate suction cup set and a top abutment disposed on the second support plate.

7. The suction mechanism of claim 1, further comprising a lateral drive assembly disposed on the base plate for driving the first and second mounting plates to move toward or away from each other in a first direction.

8. The suction mechanism of claim 1, further comprising four detection cameras disposed laterally of the first suction cup set, the second suction cup set, the third suction cup set, and the fourth suction cup set, respectively.

9. The suction mechanism of claim 1, wherein the first suction cup set includes a bracket slidably disposed on the first mounting plate in the second direction and a plurality of suction cups arranged on the bracket in a predetermined manner.

10. A panel picking and placing device, which is characterized by comprising a manipulator, an adapter plate and an adsorption mechanism according to any one of claims 1-9, wherein the adapter plate is fixed on a substrate, and the substrate is arranged at an execution end of the manipulator through the adapter plate.

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