Porous negative pressure sucker with adjustable adsorption station

Abstract

The utility model relates to a porous negative pressure sucker with an adjustable adsorption station, which comprises a transfer main disc body which intermittently rotates around a shaft to continuously complete workpiece transfer, and a plurality of porous adsorption disc bodies which are used for grabbing workpieces and have adjustable adsorption hole positions are arranged on the transfer main disc body at intervals. The porous adsorption disc body is adapted to various workpieces with different sizes in a manner of adjusting the relative arrangement relationship among the adsorption hole sites by changing the limited arrangement positions of the adsorption pipe heads; the transfer main disc body is installed on a lifting supporting base through a rotating shaft, and a rotating motor which is in transmission connection with the rotating shaft and drives the transfer main disc body to rotate is further arranged on the lifting supporting base. The porous adsorption disc bodies are annularly distributed on the transfer main disc body at intervals through hydraulic lifting columns. Adsorption hole positions limited by a plurality of adsorption pipe heads are adjusted to construct adsorption ring surfaces with different sizes so as to adapt to workpieces with various sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of negative pressure suckers, in particular to a porous negative pressure sucker with adjustable adsorption positions. Background Art

[0002] With the deepening of intelligent development of industry and manufacturing, it has become an irresistible trend for industrial robots to gradually replace traditional manpower. Industrial robots can greatly reduce the labor intensity of relevant personnel while improving operation accuracy and production efficiency, thereby improving product quality and yield. Commonly used grasping and transfer robots are usually equipped with negative pressure suction cups to absorb, grasp and transfer workpieces or materials. Under the effect of the conflict between the negative air pressure inside the suction cup and the positive air pressure outside, the suction cup sucks the workpiece or material for transfer. The suction cup, also known as a vacuum sling, is the actuator of the vacuum adsorption device. The suction cup material is generally made of nitrile rubber and is widely used in various vacuum holding equipment. During the construction of the cable trough cover, the cover can be hoisted and transported by the mechanical arm in conjunction with the suction cup. The suction cup is installed at the end of the mechanical arm. The suction cup has a hollow structure. After the cover is adsorbed, the rubber around the suction cup bears the force.

[0003] In actual use, in order to ensure the effectiveness and stability of adsorption, multiple suction cups are usually used in coordination to grasp the workpiece. However, the relative positions of the multiple suction cups of the current multiple adsorption devices are fixed, so that the area and outline size of the adsorption area defined by the multiple suction cups remain unchanged. When facing workpieces of different sizes, the existing adsorption devices cannot adjust the relative adsorption positions between the multiple suction cups according to the size of the adsorbed surface of the workpiece. The adsorption points defined by the adsorption device cannot be distributed more evenly on the adsorption surface. There are defects such as the adsorption area is too concentrated relative to the adsorbed surface of the workpiece and cannot effectively cover the adsorbed surface, or the adsorption area is too large and multiple suction cups cannot be effectively attached to the adsorbed surface. As a result, the existing multi-suction cup adsorption device cannot adjust the position of the suction cup to adapt to workpieces of different sizes, and the scope of application is narrow. It is impossible to use the same set of adsorption equipment to grasp and transfer workpieces of various sizes. Utility Model Content

[0004] The utility model aims to provide a porous negative pressure suction cup with adjustable adsorption positions, which can adjust the adsorption holes defined by a plurality of adsorption tube heads to construct adsorption annular surfaces of different sizes, so as to adapt to workpieces of various sizes, so as to solve the problem that the plurality of adsorption holes defined by the adsorption tube heads of the existing porous negative pressure suction cups are fixed and cannot be adjusted according to demand, the size of the adsorption annular surface defined by them always remains unchanged, and they cannot adapt to workpieces of various sizes, and the application range is small and they cannot clamp a variety of workpieces with different sizes.

[0005] The technical solution adopted by the utility model is: a porous negative pressure suction cup with adjustable adsorption positions, including a transfer main plate that continuously completes the transfer of workpieces by intermittent rotation around an axis, a plurality of porous adsorption discs that can grab workpieces and whose defined adsorption holes are adjustable are arranged at intervals on the transfer main plate, the porous adsorption disc is adapted to workpieces of various sizes by adjusting the relative arrangement relationship between the plurality of adsorption holes by changing the arrangement positions of the plurality of adsorption tube heads defined by it; the transfer main plate is installed on a lifting support seat through a rotating shaft, and a rotating motor that is transmission-connected to the rotating shaft and drives the transfer main plate to rotate is also arranged on the lifting support seat; the porous adsorption discs are arranged circumferentially at intervals on the transfer main plate through hydraulic lifting columns.

[0006] According to a preferred embodiment, the porous adsorption disk body includes the adsorption tube head, a first guide circular plate, a second guide rotating plate and a connecting swivel, wherein the first guide circular plate is stacked on the second guide rotating plate, and the first guide circular plate and the second guide rotating plate are rotatably connected by the connecting swivel sleeved on the outer side surfaces of both plate bodies, so that the second guide rotating plate can rotate around its axis; the adsorption tube head is inserted into the plate body on which the first guide circular plate and the second guide rotating plate are stacked in a circumferentially spaced manner.

[0007] According to a preferred embodiment, a plurality of guide through grooves are annularly spaced apart on the first circular plate body of the first guide circular plate, and the guide through grooves are parallel to the radial direction of the first circular plate body; a sliding block capable of sliding along the groove direction is arranged in the guide through groove, a support bar is arranged on the lower opening edge of the guide through groove, and a baffle bar is arranged on the upper opening edge.

[0008] According to a preferred embodiment, a plurality of centripetally offset arc-shaped through grooves are spaced apart on the second circular plate body of the second guide rotating plate, and the outer side surface of the second circular plate body is connected to the inner ring of the connecting rotating ring.

[0009] According to a preferred embodiment, the adsorption tube head includes a plug-in tube body, an adsorption head, a telescopic conduit and a negative pressure driving unit, wherein the plug-in tube body is inserted into the arc through-groove and is also inserted into the slider; the axial lower end of the plug-in tube body is connected to the adsorption head capable of being attached to the surface of the workpiece, and the axial upper end thereof is connected to the negative pressure driving unit arranged on the transfer main disk body through the telescopic conduit.

[0010] According to a preferred embodiment, the outer side surface of the first circular plate body is connected to the outer ring of the connecting swivel; the outer ring is sleeved on the inner ring so as to be rotatable around an axis.

[0011] According to a preferred embodiment, the first guide circular plate is connected to the moving end of the hydraulic lifting column via a connecting plate connected to the side surface of the first guide circular plate.

[0012] According to a preferred embodiment, a positioning locking assembly is connected to the connecting swivel, and the positioning locking assembly includes a positioning plate and the positioning screw inserted through the positioning plate, and the positioning screw limits the relative position of the first guide circular plate and the second guide rotating plate by adjustably abutting against the side surface of the second guide rotating plate; a silicone sheath is provided at one end of the positioning screw close to the second guide rotating plate.

[0013] According to a preferred embodiment, the lifting support seat includes a transverse plate, a lifting column and a base, wherein the lifting column is supported on the base, and the moving end of the lifting column is connected to the transverse plate to adjust the suspension height of the transverse plate.

[0014] According to a preferred embodiment, the bottom surface of the base is also provided with guide wheels for facilitating transfer.

[0015] The beneficial effects of the utility model are:

[0016] The porous adsorption disc provided in the present application can adjustably change the size of the adsorption annular surface constructed by using multiple adsorption tube heads, so as to adapt to workpieces with different surface sizes, so as to perform negative pressure adsorption grasping and transfer of workpieces of different sizes. The porous adsorption disc can change the radius size of the annular surface defined by a number of adsorption tube heads arranged annularly at intervals by rotating and changing the diameter, so that the adsorption hole position / suction cup port corresponding to the adsorption tube head can be adapted to the surface size of the workpiece actually to be grasped in a relatively uniform manner, thereby ensuring that the adsorption points are relatively evenly distributed on the adsorption surface, so that the adsorption force distribution of the workpiece is relatively uniform. The variable adjustment of the annular surface of the porous adsorption disc can effectively adapt to workpieces of different sizes, avoiding the defects of some adsorption tubes having annular surfaces that are too large relative to the workpiece and cannot be effectively attached to the surface of the workpiece or the annular surfaces that are too small and cannot effectively cover the surface of the workpiece. It enables it to be adjusted according to the size of the workpiece to be adsorbed and grasped, thereby achieving adaptive grasping of workpieces of multiple sizes, improving the scope of application and use effect of the porous negative pressure suction cup, avoiding the defects of excessive force concentration or ineffective adsorption, improving the stability of adsorption, and ensuring the safety of transfer. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a preferred porous negative pressure suction cup with adjustable adsorption positions proposed by the utility model;

[0018] Figure 2It is a structural schematic diagram of a porous adsorption disc body of a porous negative pressure suction cup with an adjustable adsorption position proposed by the utility model;

[0019] Figure 3 This is a schematic structural diagram of the A portion of a preferred porous negative pressure suction cup with adjustable adsorption position proposed by the utility model;

[0020] Figure 4 This is a structural schematic diagram of a first guide circular plate of a porous negative pressure suction cup with adjustable adsorption position proposed by the utility model;

[0021] Figure 5 It is a structural schematic diagram of a second guide rotating plate of a preferred porous negative pressure suction cup with adjustable adsorption positions proposed by the utility model.

[0022] Reference numerals list

[0023] 1: transfer main plate; 2: porous adsorption plate; 3: rotating shaft; 4: lifting support seat; 5: rotating motor; 6: hydraulic lifting column; 21: adsorption tube head; 22: first guide circular plate; 23: second guide rotating plate; 24: connecting swivel; 25: connecting plate; 26: positioning locking assembly; 211: plug-in tube body; 212: adsorption head; 213: telescopic catheter; 214: negative pressure drive unit; 221: first circular plate; 222: guide through groove; 223: slider; 224: support bar; 225: baffle bar; 231: second circular plate; 232: arc through groove; 241: outer ring; 242: inner ring; 261: positioning plate; 262: positioning screw; 263: silicone sleeve; 41: horizontal plate; 42: lifting column; 43: base; 44: guide wheel. DETAILED DESCRIPTION

[0024] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the utility model will be briefly introduced below in combination with the drawings and the descriptions of the embodiments or the prior art. Obviously, the following descriptions of the structures of the drawings are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] The technical solution provided by the present invention will be described in detail below by way of examples with reference to the accompanying drawings. It should be noted that the description of these examples is used to help understand the present invention, but does not constitute a limitation of the present invention. In some examples, some implementation methods are not described or are not described in detail because they belong to existing or conventional technologies.

[0026] In addition, the technical features recorded in this article, or the steps in all methods or processes disclosed, except for mutually exclusive features and / or steps, can also be combined in any suitable manner in one or more embodiments. For those skilled in the art, it is easy to understand that the steps or operation sequence of the methods related to the embodiments provided herein can also be changed. Any order in the drawings and embodiments is only for illustrative purposes and does not imply a requirement to follow a certain order unless it is explicitly stated that a certain order is required.

[0027] The serial numbers assigned to the components herein, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, under reasonable circumstances (not constituting a self-contradiction), include direct and indirect connections (couplings).

[0028] The following is a detailed description with reference to the accompanying drawings.

[0029] Example 1

[0030] The present application provides a porous negative pressure suction cup with adjustable adsorption positions, which includes a transfer main disc body 1, a porous adsorption disc body 2, a rotating shaft 3, a lifting support seat 4, a rotating motor 5 and a hydraulic lifting column 6.

[0031] according to Figure 1-5A specific embodiment is shown, in which the transfer main plate 1 continuously completes the workpiece transfer by intermittently rotating around the axis. A plurality of porous adsorption plates 2 capable of grabbing workpieces and having adjustable adsorption holes are arranged at intervals on the transfer main plate 1. The porous adsorption plate 2 is adapted to workpieces of various sizes by adjusting the relative arrangement relationship between the adsorption holes by changing the arrangement positions of the plurality of adsorption tube heads 21 defined by it. The transfer main plate 1 is mounted on the lifting support seat 4 via a rotating shaft 3. A rotating motor 5 is also provided on the lifting support seat 4, which is transmission-connected to the rotating shaft 3 and drives the transfer main plate 1 to rotate. The porous adsorption plates 2 are arranged on the transfer main plate 1 in an annular manner at intervals by hydraulic lifting columns 6. The transfer main plate 1 can drive the porous adsorption plate 2 to rotate, so that the workpiece adsorbed by the porous adsorption plate 2 under negative pressure is transferred synchronously. The porous adsorption disc 2 provided in the present application can adjustably change the size of the adsorption annular surface constructed by using multiple adsorption tube heads 21, so as to adapt to workpieces with different surface sizes, so as to perform negative pressure adsorption grasping and transfer on workpieces of different sizes. The porous adsorption disc 2 can change the radius size of the annular surface defined by a plurality of adsorption tube heads 21 arranged annularly at intervals by rotating and changing the diameter, so that the adsorption hole position / suction cup port corresponding to the adsorption tube head can be adapted to the surface size of the workpiece actually to be grasped in a relatively uniform manner, thereby ensuring that the adsorption points are relatively evenly distributed on the adsorption surface, so that the adsorption force distribution of the workpiece is relatively uniform. The variable adjustment of the annular surface of the porous adsorption disc body 2 can effectively adapt to workpieces of different sizes, avoiding the defects of some adsorption tube bodies 21 having annular surfaces that are too large relative to the workpiece and cannot be effectively attached to the surface of the workpiece or the annular surfaces that are too small and cannot effectively cover the surface of the workpiece, so that it can be adjusted according to the size of the workpiece to be adsorbed and grasped, thereby achieving adaptive grasping of workpieces of multiple sizes, improving the scope of application and use effect of the porous negative pressure suction cup, avoiding the defects of excessive force concentration or ineffective adsorption, improving the stability of adsorption, and ensuring the safety of transfer.

[0032] Preferably, the porous adsorption disc body 2 comprises an adsorption pipe head 21, a first guide circular plate 22, a second guide rotating plate 23 and a connecting swivel 24. Preferably, the first guide circular plate 22 is stacked on the second guide rotating plate 23. Preferably, the first guide circular plate 22 and the second guide rotating plate 23 are rotatably connected by a connecting swivel 24 sleeved on the outer side of the plate bodies of the two, so that the second guide rotating plate 23 can rotate around its axis. Preferably, the adsorption pipe head 21 is inserted in the plate body where the first guide circular plate 22 and the second guide rotating plate 23 are stacked in a circularly spaced arrangement. Preferably, the adsorption pipe head 21 can move centripetally or centrifugally along the radial direction of the first guide circular plate 22 when the second guide rotating plate body 23 rotates, thereby changing the size of the adsorption annular surface defined by a plurality of adsorption pipe heads 21. Preferably, the first guide circular plate 22 is connected to the moving end of the hydraulic lifting column 6 through a connecting plate 25 connected to the side of its plate body. Preferably, a positioning locking assembly 26 is connected to the connecting swivel 24. The second guide rotating plate 23 provided in the present application can be controlled to rotate around the axis relative to the first guide circular plate 22, thereby changing the insertion position of the adsorption tube head 21 on the second guide rotating plate 23, and the adsorption tube head 21 is limited by the first guide circular plate 22 for its movement direction, so that the several adsorption tube heads 21 arranged in an annular spaced manner can only be radially translated within the circular surface defined by the plate body, thereby changing the size of the annular surface constructed by the spaced arrangement of the several adsorption tube heads 21. The positioning locking assembly 26 provided in the present application can limit the position of the second guide rotating plate 23 according to the needs, thereby fixing the relative position relationship between the first guide circular plate 22 and the second guide rotating plate 23, thereby limiting the size of the annular surface defined by the adsorption tube head 21.

[0033] Preferably, the adsorption tube head 21 includes a plug-in tube body 211, an adsorption head 212, a telescopic conduit 213 and a negative pressure driving unit 214. Preferably, the plug-in tube body 211 is inserted into the arc through groove 232. Further preferably, the plug-in tube body 211 is also inserted into the slider 223, so that the plug-in tube body 211 can be driven by the second guide rotating plate 23 while being limited by the sliding direction of the slider 223 and being translated radially. Preferably, the axial lower end of the plug-in tube body 211 is connected to the adsorption head 212 that can be attached to the surface of the workpiece. Preferably, the axial upper end of the plug-in tube body 211 is connected to the negative pressure driving unit 214 provided on the transfer main plate 1 through the telescopic conduit 213. Preferably, the negative pressure driving unit 214 is a conventional negative pressure adsorption air pump or a vacuum device, a vacuum generating device, etc., which can controllably form a negative pressure environment in the plug-in tube body 211, the adsorption head 212 and the telescopic conduit 213. The telescopic catheter 213 provided in the present application can be telescoped during the lifting and lowering process of the insertion tube body 211 , thereby ensuring that the insertion tube body 211 always maintains communication with the negative pressure driving unit 214 .

[0034] Preferably, a plurality of guide through grooves 222 are annularly spaced apart on the first circular plate body 221 of the first guide circular plate 22. Preferably, the guide through grooves 222 are parallel to the radial direction of the first circular plate body 221. Preferably, a slider 223 capable of sliding along the slotting direction thereof is provided in the guide through groove 222. Preferably, a support bar 224 is provided at the lower opening edge of the guide through groove 222. Further preferably, a baffle 225 is provided at the upper opening edge of the guide through groove 222 to limit the slidable direction of the slider 223 in the guide through groove 222. The support bar 224 provided in the present application can support and limit the slider 223 in the guide through groove 222, and the baffle 225 can partially cover the upper notch after the slider 223 is placed to prevent the slider 223 from detaching from the upper notch. By providing the support bar 224 and the stop bar 225 , the slider 223 can only slide back and forth along the slotting direction of the guide through slot 222 , thereby supporting the layout position of the plug-in tube body 211 , so that the position of the plug-in tube body 211 and the slider 223 remain relatively fixed.

[0035] Preferably, a plurality of arc through grooves 232 with centripetal offset are arranged at intervals on the second circular plate 231 of the second guide rotating plate 23. Specifically, the centripetal offset means that the arc-shaped groove is inclined and gradually approaches the center of the second circular plate 231, so that the plug-in tube body 211 inserted in the arc through groove 232 gradually approaches the center of the second circular plate 231 as the second circular plate 231 rotates, and when the second circular plate 231 rotates in the opposite direction, the plug-in tube body 211 gradually moves away from the center of the second circular plate 231.

[0036] Preferably, the connecting swivel 24 having a bearing-like structure comprises an outer ring 241 and an inner ring 242 that are inserted into each other. Preferably, the outer side surface of the second circular plate 231 is connected to the inner ring 242 of the connecting swivel 24. Further preferably, the outer side surface of the first circular plate 221 is connected to the outer ring 241 of the connecting swivel 24. The outer ring 241 is sleeved on the inner ring 242 so as to be rotatable around the axis to construct a bearing structure.

[0037] Preferably, the positioning locking assembly 26 includes a positioning plate 261 and a positioning screw 262 passing through the positioning plate 261. Preferably, the positioning screw 262 defines the relative position of the first guide circular plate 22 and the second guide rotating plate 23 by adjustably abutting against the side of the second guide rotating plate 23. Preferably, a silicone sleeve 263 is provided at one end of the positioning screw 262 close to the second guide rotating plate 23.

[0038] Preferably, the lifting support seat 4 includes a horizontal plate 41, a lifting column 42 and a base 43. Preferably, the lifting column 42 is supported on the base 43, and further preferably, the moving end of the lifting column 42 is connected to the horizontal plate 41 to adjust the suspension height of the horizontal plate 41. Preferably, the bottom surface of the base 43 is also provided with a guide wheel 44 for convenient transfer. The lifting support seat 4 provided in the present application can support and adjust the suspension height of the transfer main plate body 1, so as to adapt to a variety of different working scenarios.

[0039] The present utility model is not limited to the above optional implementation modes. Anyone can derive other various forms of products under the inspiration of the present utility model. However, no matter what changes are made in the shape or structure, all technical solutions that fall within the scope of the claims of the present utility model fall within the protection scope of the present utility model. Those skilled in the art should understand that the present utility model specification and its drawings are illustrative and do not constitute limitations on the claims. The protection scope of the present utility model is defined by the claims and their equivalents. Throughout the text, the features guided by "preferably" are only an optional method and should not be understood as having to be set. Therefore, the applicant reserves the right to abandon or delete the relevant preferred features at any time.

Claims

1. A porous negative pressure suction cup with adjustable adsorption positions, comprising a transfer main plate (1) which continuously completes the workpiece transfer by intermittent self-rotation around an axis, characterized in that: A plurality of porous adsorption discs (2) capable of grasping workpieces and having adjustable adsorption holes are arranged at intervals on the transfer main disc (1); the porous adsorption disc (2) is adapted to workpieces of various sizes by adjusting the relative arrangement relationship between the adsorption holes by changing the arrangement positions of the plurality of adsorption tube heads (21) defined therein; The transfer main plate (1) is mounted on a lifting support seat (4) via a rotating shaft (3), and a rotating motor (5) is also provided on the lifting support seat (4) and is connected to the rotating shaft (3) to drive the transfer main plate (1) to rotate. The porous adsorption disc bodies (2) are arranged on the transfer main disc body (1) at intervals in an annular direction via hydraulic lifting columns (6).

2. The porous negative pressure suction cup with adjustable adsorption position as claimed in claim 1, characterized in that: The porous adsorption disc body (2) comprises the adsorption tube head (21), a first guide circular plate (22), a second guide rotating plate (23) and a connecting rotating ring (24), wherein: The first guide circular plate (22) is stacked on the second guide rotating plate (23), and the first guide circular plate (22) and the second guide rotating plate (23) are rotatably connected via the connecting swivel (24) sleeved on the outer sides of both plates, so that the second guide rotating plate (23) can rotate around its axis; The adsorption tube heads (21) are inserted in a circularly spaced arrangement on a plate body on which the first guide circular plate (22) and the second guide rotating plate (23) are stacked.

3. The porous negative pressure suction cup with adjustable adsorption position as claimed in claim 2, characterized in that: A plurality of guide through grooves (222) are provided on the first circular plate body (221) of the first guide circular plate (22) at intervals in the annular direction, and the guide through grooves (222) are parallel to the radial direction of the first circular plate body (221); A sliding block (223) capable of sliding along the slotting direction is arranged in the guide through-slot (222), a support bar (224) is arranged at the lower opening edge of the guide through-slot (222), and a blocking bar (225) is arranged at the upper opening edge of the guide through-slot (222).

4. The porous negative pressure suction cup with adjustable adsorption position as claimed in claim 3, characterized in that: The second circular plate body (231) of the second guide rotating plate (23) is provided with a plurality of arc-shaped through grooves (232) which are offset toward the center. The outer side surface of the second circular plate body (231) is connected to the inner ring (242) of the connecting swivel (24).

5. The porous negative pressure suction cup with adjustable adsorption position as claimed in claim 4, characterized in that: The adsorption tube head (21) comprises a plug-in tube body (211), an adsorption head (212), a telescopic catheter (213) and a negative pressure driving unit (214), wherein: The plug-in tube body (211) is inserted into the arc-through groove (232) and is also inserted into the slider (223); The axial lower end of the plug-in tube body (211) is connected to a suction head (212) capable of being attached to the surface of a workpiece, and the axial upper end thereof is connected to the negative pressure driving unit (214) arranged on the transfer main plate body (1) through a telescopic guide tube (213).

6. The porous negative pressure suction cup with adjustable adsorption position as claimed in claim 5, characterized in that: The outer side surface of the first circular plate (221) is connected to the outer ring (241) of the connecting swivel (24); The outer ring (241) is sleeved on the inner ring (242) so as to rotate around an axis.

7. The porous negative pressure suction cup with adjustable adsorption position as claimed in claim 6, characterized in that: The first guide circular plate (22) is connected to the moving end of the hydraulic lifting column (6) via a connecting plate (25) connected to the side surface of the plate body.

8. The porous negative pressure suction cup with adjustable adsorption position as claimed in claim 7, characterized in that: A positioning locking assembly (26) is connected to the connecting swivel (24). The positioning locking assembly (26) comprises a positioning plate (261) and a positioning screw (262) passing through the positioning plate (261), wherein the positioning screw (262) limits the relative position of the first guide circular plate (22) and the second guide rotating plate (23) by being adjustably pressed against the side surface of the second guide rotating plate (23); A silicone sleeve (263) is provided at one end of the positioning screw (262) close to the second guide rotating plate (23).

9. The porous negative pressure suction cup with adjustable adsorption position as claimed in claim 8, characterized in that: The lifting support seat (4) comprises a horizontal plate (41), a lifting column (42) and a base (43), wherein: The lifting column (42) is supported on the base (43), and the moving end of the lifting column (42) is connected to the transverse plate (41) to adjust the suspension height of the transverse plate (41).

10. The porous negative pressure suction cup with adjustable adsorption position as claimed in claim 9, characterized in that: The bottom surface of the base (43) is also provided with a guide wheel (44) for easy transfer.

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