CN219668570U - Vacuum suction tool device with encircling and clamping functions - Google Patents

Abstract

The utility model relates to a vacuum suction device with encircling and clamping functions, which comprises a vacuum suction device; the vacuum suction tool is provided with an encircling clamping device; the encircling clamping device can surround the article to be carried and can clamp the article to be carried. The utility model has the advantages of absorbing a plurality of articles without falling, absorbing a plurality of articles with large weight, greatly improving the carrying efficiency, absorbing overweight articles and the like.

Description

Vacuum suction tool device with encircling and clamping functions

Technical Field

The utility model relates to the technical field of vacuum suction tools, in particular to a vacuum suction tool device with encircling and clamping functions.

Background

In industrial production, a certain package is often given to a finished product to protect it or to facilitate transportation, such as home appliances packaged in cartons, such as multi-can beverages packaged in soft plastic, such as paint packaged in cans, and further such as multi-cans beer strapped in strapping lines. In order to keep the neatness of the work site, the packaged articles are stacked together, the articles are generally placed on a forklift disc for convenient carrying and improving carrying efficiency, and the articles are carried by using a forklift, specifically: the front fork of the forklift is inserted into the forklift tray, and the forklift carries and stacks a plurality of articles placed on the forklift tray. According to the operation mode, as a plurality of articles are placed on the forklift tray, the articles are in a discrete state, and articles are separated from the edge area of the forklift tray frequently in the moving process of the forklift, so that the articles are damaged. When the articles are transported, the forklift disc occupies a certain space, so that the forklift disc is not placed on the transport vehicle along with the articles in order to save the transport space, the articles are manually moved onto the transport vehicle one by one, and the articles are manually removed from the transport vehicle one by one after the transport vehicle reaches a destination.

In order to solve the above problems, a transfer robot and a vacuum suction tool are currently used to replace a forklift and manpower for carrying and placing articles, that is, the vacuum suction tool is mounted on a mechanical arm of the transfer robot, the transfer robot controls the mechanical arm to enable the vacuum suction tool to absorb the articles, and then the transfer robot moves the mechanical arm absorbing the articles to a target position and enables the vacuum suction tool to release the articles so as to carry and place the articles.

The method adopts the transfer robot and the vacuum suction tool, the gripping of the articles is realized mainly by means of the upward adsorption force of the vacuum suction tool to the articles, meanwhile, the articles are placed by means of the extremely-quick release characteristic of the vacuum suction tool, although labor is saved, the problem that the fork truck possibly breaks the articles is solved, when the transfer robot transfers the plurality of articles, the articles are in discrete states, gaps exist between the adjacent articles, the gaps affect the overall adsorption performance of the vacuum suction tool, when the transfer robot transfers the plurality of articles, the phenomenon that the vacuum suction tool adsorbs the plurality of articles is caused by unstable adsorption force of the vacuum suction tool, and the vacuum suction tool cannot adsorb the plurality of articles with large weight due to the gaps between the adjacent articles is avoided, so that the transfer robot is limited to transfer the plurality of articles, and the transfer efficiency of the transfer robot is low.

Disclosure of Invention

Therefore, the utility model provides a vacuum suction device with encircling and clamping functions, which mainly solves the technical problems that when a transfer robot in the prior art transfers multiple articles, the vacuum suction device adsorbs the multiple articles to cause the phenomenon of falling articles due to unstable adsorption force, and the vacuum suction device cannot adsorb the multiple articles with large weight, so that the transfer robot has low transfer efficiency.

In order to achieve the above object, the present utility model provides the following technical solutions:

a vacuum suction device with encircling and clamping functions comprises a vacuum suction device; the vacuum suction tool is provided with an encircling clamping device; the encircling clamping device can surround the article to be carried and can clamp the article to be carried.

Preferably, the encircling clamping device is arranged on the vacuum suction tool in a telescopic way.

Optionally, the device further comprises a bracket seat; the encircling clamping device is arranged on the bracket seat, and the bracket seat is provided with a distance adjusting motor; a distance adjusting screw rod is arranged on the output shaft of the distance adjusting motor; the distance adjusting screw rod is in threaded connection with the vacuum suction tool, and when the distance adjusting motor rotates in the forward direction and the reverse direction, the distance adjusting screw rod is driven to rotate in the forward direction and the reverse direction, and the encircling clamping device is close to or far away from the vacuum suction tool under the action of threads so as to adapt to articles with different heights.

Preferably, a plurality of sliding guide rods are arranged on the vacuum suction tool; the support seat is provided with a sliding guide hole matched with the sliding guide rod; the sliding guide rod body can be movably inserted into the sliding guide hole.

Optionally, the encircling clamping device comprises a first sliding frame and a second sliding frame which are fixedly arranged on the bracket seat; the first sliding frame and the second sliding frame are crossed and perpendicular; a third clamping arm and a fourth clamping arm are respectively arranged on the front side and the rear side of the first sliding frame in a sliding manner; the left side and the right side of the second sliding frame are respectively provided with a first clamping arm and a second clamping arm in a sliding manner; the bracket seat is respectively provided with a driving cylinder for driving the first clamping arm, the second clamping arm, the third clamping arm and the fourth clamping arm to slide; the telescopic rod of the driving cylinder is connected with the first clamping arm, the second clamping arm, the third clamping arm or the fourth clamping arm.

Optionally, the encircling clamping device comprises a sliding frame arranged on the vacuum suction tool; the left and right sides of the sliding frame are respectively provided with a left clamping arm and a right clamping arm in a sliding manner; arc-shaped clamping parts are arranged on the left clamping arm and the right clamping arm; and the clamping arm driving device is also arranged for driving the left clamping arm and the right clamping arm to slide.

Optionally, the clamping arm driving device is a motor arranged on the vacuum suction tool; the motor output shaft is connected with a screw rod; the left side and the right side of the screw rod are respectively provided with a positive thread and a reverse thread; the positive threads and the negative threads on the left side and the right side of the screw rod are respectively in threaded connection with the left clamping arm and the right clamping arm; when the motor rotates positively and reversely, the screw rod is driven to rotate, and under the action of left and right threads, the left clamping arm and the right clamping arm approach or depart, so that the article to be carried is clamped or released.

Optionally, the clamping arm driving device is a driving cylinder arranged on the sliding frame; the telescopic rod of the driving cylinder is connected with the left clamping arm or the right clamping arm.

Optionally, the vacuum suction devices are at least 2 and are fixed into a whole, and each vacuum suction device corresponds to a different article to be carried.

Optionally, a plurality of separation strips are arranged in the vacuum suction tool cavity; the separation strip divides the vacuum suction device cavity into a plurality of independent units, so that the vacuum suction device is provided with a plurality of independent suction areas, and each independent suction area corresponds to a different article to be conveyed.

The utility model has at least the following beneficial effects:

the vacuum suction device is provided with a surrounding clamping device, the surrounding clamping device can surround the article to be conveyed and can clamp the article to be conveyed, under the action of the surrounding clamping device, a plurality of articles are clamped into a whole, the discrete state of the plurality of articles is changed into an integral-like state, gaps among the articles are reduced and even closed, and the adsorption performance of the vacuum suction device can be enhanced; the clamping force of the encircling clamping device on the articles is increased, the up-and-down moving resistance between the articles is also increased, and the difficulty of falling the articles is increased; the encircling clamping device applies clamping force to the article to be conveyed and has upward traction force, so that the vacuum suction device has the capability of absorbing a plurality of articles with large weight under the double functions of the absorption force of the vacuum suction device and the upward traction force of the encircling clamping device; meanwhile, the vacuum absorber also has the function of absorbing overweight articles, and solves the problem that the existing vacuum absorber can not absorb the overweight articles.

Therefore, the vacuum suction device with the encircling and clamping functions has the advantages that a plurality of articles are adsorbed, the articles cannot fall off, the articles with large weight can be adsorbed, the conveying efficiency is greatly improved, the overweight articles can be adsorbed, and the like.

Drawings

In order to more clearly illustrate the prior art and the present utility model, the drawings used in the description of the prior art and the embodiments of the present utility model will be briefly described. It will be apparent to those skilled in the art that the drawings in the following description are merely exemplary and that other drawings may be derived from the drawings provided without the inventive effort to those skilled in the art.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, for example, modifications, variations in proportions, or otherwise, used in the practice of the utility model, which are particularly adapted to specific environments without departing from the spirit and scope of the utility model.

FIG. 1 is a schematic view of a vacuum pump apparatus according to a first embodiment of the present utility model;

FIG. 2 is a top view of FIG. 1 of the vacuum suction device of the present utility model;

FIG. 3 is a bottom view of FIG. 1 of the vacuum suction device of the present utility model;

FIG. 4 is a schematic view of a vacuum pump apparatus according to a second embodiment of the present utility model;

FIG. 5 is an exploded view of a vacuum pump of the vacuum pump apparatus of the present utility model;

FIG. 6 is a schematic view of the cavity structure of the vacuum suction device of the present utility model;

FIG. 7 is an exploded view of a vacuum cleaner with valve plate of the vacuum cleaner device of the present utility model;

FIG. 8 is a front view of a valve plate of the vacuum cleaner device of the present utility model;

FIG. 9 is an enlarged view of part A of FIG. 8 of the vacuum pump assembly of the present utility model;

FIG. 10 is a B-B cross-sectional view of FIG. 9 of the vacuum suction device of the present utility model;

FIG. 11 is a schematic view of a fifth embodiment of a vacuum chuck device according to the present utility model;

FIG. 12 is a schematic view of a second embodiment of a embracing clamping device of the vacuum chuck device of the present utility model;

FIG. 13 is a top view of FIG. 12 of the vacuum suction device of the present utility model;

FIG. 14 is a bottom view of FIG. 12 of the vacuum suction device of the present utility model;

FIG. 15 is a schematic view of a third embodiment of a embracing clamping device of a vacuum chuck device according to the present utility model;

reference numerals illustrate:

1. a vacuum suction tool; 101. a cavity; 1011. a separator bar; 102. a bottom plate; 103. a sponge; 104. a valve plate; 1041. quincuncial holes; 1042. a valve bead; 1043. a valve bead hole; 1044. a sphere hole; 1045. air holes; 105. positive and negative pressure airflow holes; 2. a support seat; 3. a first carriage; 4. a second carriage; 5. a distance adjusting screw rod; 6. a first clamping arm; 7. a second clamping arm; 8. a third clamping arm; 9. a fourth clamping arm; 10. a distance-adjusting motor; 11. a sliding guide rod; 12. installing a flange plate; 13. a driving cylinder; 14. a wrap curtain; 15. a carriage; 16. a left clamp arm; 17. a right clamping arm; 18. a motor; 19. a screw rod; 20. a clamping part; 21. and a fixing plate.

Detailed Description

The utility model will be further described in detail by means of specific embodiments with reference to the accompanying drawings.

In the description of the present utility model: unless otherwise indicated, the meaning of "a plurality" is two or more. The terms "first," "second," "third," and the like in this disclosure are intended to distinguish between the referenced objects without a special meaning in terms of technical connotation (e.g., should not be construed as emphasis on the degree of importance or order, etc.). The expressions "comprising", "including", "having", etc. also mean "not limited to" (certain units, components, materials, steps, etc.).

The terms such as "upper", "lower", "left", "right", "middle", etc. are generally used herein for convenience of visual understanding with reference to the drawings and are not to be construed as absolute limitations on the positional relationship of the actual product. Such changes in the relative positional relationship without departing from the technical idea of the present utility model are also considered as the scope of the present utility model.

The utility model relates to a vacuum suction tool device with encircling and clamping functions, which is mainly used for improving the phenomenon that a vacuum suction tool adsorbs a plurality of articles due to unstable adsorption force when a carrying robot in the prior art carries the plurality of articles, and the utility model provides the following specific embodiments:

in a first embodiment, the principle of the present embodiment is based on how to improve the discrete state of the multiple articles into an integral-like state, where the integral-like state can enable the multiple articles to avoid falling parts due to the friction force between the multiple articles when the vacuum suction tool sucks the multiple articles, specifically: as shown in fig. 1 to 3, a vacuum suction tool 1 is provided, an encircling clamping device is arranged on the vacuum suction tool 1, the encircling clamping device can surround the article to be carried and can clamp the article to be carried, under the action of the encircling clamping device, a plurality of articles are clamped into a whole, and the discrete state of the plurality of articles is changed into an integral-like state, so that the adsorption performance of the vacuum suction tool 1 is enhanced, and the falling phenomenon is avoided. In this embodiment, the main purpose of setting the encircling clamping device is to integrate a plurality of article clamping cages, when the mechanical arm of the carrying robot moves the article to be carried, the adsorption force of the vacuum suction tool is overcome, while the encircling clamping device clamps the article to be carried, the friction force in the weight direction is also generated, but the friction force is not the main force for overcoming the weight of the article to be carried, because if the friction force is large, the clamping force is increased, the excessive clamping force can deform or even crush the article to be carried, for example: the soft package beverage adopts a plastic bottle or a pop can, and has weak pressure resistance.

Because of the difference in the heights of the articles, in order to enable the encircling clamping device to apply a clamping force on the proper height of the articles, the encircling clamping device in the embodiment is preferably arranged on the vacuum suction tool 1 in a telescopic manner.

The embodiment provides an optimal implementation mode of telescopic arrangement between the encircling clamping device and the vacuum suction tool 1, which specifically comprises the following steps: the device is characterized in that a bracket seat 2 is arranged, an encircling clamping device is arranged on the bracket seat 2, a distance adjusting motor 10 is fixedly arranged on the bracket seat 2, the distance adjusting motor 10 can be fixed on the bracket seat 2 by means of bolts and the like, a distance adjusting screw rod 5 is fixedly arranged on an output shaft of the distance adjusting motor 10, the distance adjusting screw rod 5 and the output shaft of the distance adjusting motor 10 are coaxial, the distance adjusting screw rod 5 and a vacuum suction tool 1 are in threaded connection, when the distance adjusting motor 10 rotates positively and reversely, the distance adjusting screw rod 5 is driven to rotate positively and reversely, and under the action of the threads, the encircling clamping device approaches or is far away from the vacuum suction tool 1 so as to adapt to articles with different heights, and the encircling clamping device clamps the articles at proper heights.

Preferably, in order to rotate the distance-adjusting motor 10 and drive the distance-adjusting screw rod 5 to rotate, the adjusting bracket seat 2 and the vacuum suction tool 1 are enabled to move smoothly, four sliding guide holes are formed in four corners of the bracket seat 2, four sliding guide rods 11 are fixed on the vacuum suction tool 1 at positions corresponding to the four sliding guide holes, the sliding guide rod 11 body is movably inserted into the sliding guide holes, and when the adjusting bracket seat 2 and the vacuum suction tool 1 move, the sliding guide rod 11 slides in the sliding guide holes to play a role in limiting and guiding.

In this embodiment, an optimal implementation manner of the encircling clamping device is also provided, which specifically includes: the encircling clamping device comprises a first sliding frame 3 and a second sliding frame 4 which are fixedly arranged on a support seat 2, wherein the first sliding frame 3 and the second sliding frame 4 are vertically and alternately fixed on the support seat 2, a third clamping arm 8 and a fourth clamping arm 9 are respectively arranged on the front side and the rear side of the first sliding frame 3 in a sliding manner, a first clamping arm 6 and a second clamping arm 7 are respectively arranged on the left side and the right side of the second sliding frame 4 in a sliding manner, the sliding connection mode is in the mechanical field, the structures are relatively large, the technology known to the technical personnel in the industry is adopted, and the sliding connection of the first sliding frame 3 and the third clamping arm 8 is taken as an example, and one known sliding connection mode is as follows: the first sliding frame 3 is composed of four linear struts which are sequentially connected together in the front, back, left and right directions, sliding grooves are formed in the linear struts on the left side and the right side, rolling bearings are fixed on the left side and the right side of the upper part of the third clamping arm 8, the rolling bearings are embedded into the sliding grooves, and the third clamping arm 8 slides on the first sliding frame 3. The support seat 2 is fixedly provided with driving air cylinders 13 for driving the first clamping arm 6, the second clamping arm 7, the third clamping arm 8 and the fourth clamping arm 9 to slide respectively, telescopic rods of the driving air cylinders 13 are connected with the first clamping arm 6 or the second clamping arm 7 or the third clamping arm 8 or the fourth clamping arm 9, and the driving air cylinders 13 can push and pull the first clamping arm 6, the second clamping arm 7, the third clamping arm 8 and the fourth clamping arm 9 to move so as to clamp or loosen an article to be carried. There are further preferred embodiments of the encircling clamping device, which will be described in detail later.

In addition, in order to facilitate the installation of the vacuum suction device of the present utility model to the mechanical arm of the transfer robot, an installation flange 12 is fixedly provided on the bracket base 2.

When the embodiment works, the vacuum suction device is firstly installed on the mechanical arm of the carrying robot, the distance-adjusting motor 10 is started, the first clamping arm 6 or the second clamping arm 7 or the third clamping arm 8 or the fourth clamping arm 9 is adjusted to the proper height of the article to be carried, the mechanical arm of the carrying robot moves the vacuum suction device to the article to be carried, the driving cylinder 13 moves the first clamping arm 6, the second clamping arm 7, the third clamping arm 8 and the fourth clamping arm 9 and clamps the article to be carried, negative pressure air is blown into the vacuum suction device 1, the vacuum suction device 1 adsorbs the article to be carried, and as a result, the first clamping arm 6, the second clamping arm 7, the third clamping arm 8 and the fourth clamping arm 9 exert a clamping force on the article to be carried, so that the articles to be carried are gathered together, gaps among the articles are reduced or even closed, the adsorption performance of the vacuum suction device is greatly improved, the upward and downward movement resistance among the articles is also prevented, and the first clamping arm 6, the second clamping arm 8 and the fourth clamping arm 9 exert a clamping force on the article to be carried by the vacuum suction device, and the second clamping device 7 and the fourth clamping force are simultaneously, and the first clamping device and the fourth clamping device have the advantages of stable pulling force and the article to be carried by the first clamping arm and the second clamping arm 8 and the fourth clamping arm 7.

In practical application, the first embodiment has a very good carrying effect on soft packages (such as cartons), because the soft packages (such as cartons) are clamped by the first clamping arm 6, the second clamping arm 7, the third clamping arm 8 and the fourth clamping arm 9, gaps among articles are very well closed, the adsorption performance of the vacuum suction tool is greatly improved, and meanwhile, the adsorption carrying of single overweight articles is realized due to the assistance of the upward traction force of the first clamping arm 6, the second clamping arm 7, the third clamping arm 8 and the fourth clamping arm 9, so that the problem that the existing vacuum suction tool cannot adsorb the overweight articles is solved.

Embodiment two: in actual production, the shapes of the articles are various, the distance between the articles to be placed is often larger, and when the embodiment scheme is used, the vacuum suction tool can be given a large flow of negative pressure air so as to overcome the loss of the negative pressure air on the gaps, so that the articles can obtain a better stable adsorption force, and the articles can be carried by a plurality of articles. Therefore, the present embodiment is provided based on the first embodiment, as shown in fig. 4, a plurality of vacuum absorbers 1 are adopted, when carrying articles, each vacuum absorber 1 corresponds to a different article, so as to avoid the influence of gaps among articles on the adsorption force of the vacuum absorbers, for example, four articles need to be carried, then four vacuum absorbers 1 are provided, the arrangement positions of the vacuum absorbers 1 are consistent with the arrangement positions of the four articles, and the four vacuum absorbers 1 are fixed into a whole by arranging a fixing plate 21, so that during carrying, the four vacuum absorbers 1 respectively correspond to the four articles, and each vacuum absorber 1 independently adsorbs the articles, thereby avoiding the influence of the gaps on the vacuum absorbers 1.

Embodiment III: the embodiment is another solution to the problem that the gap between the articles in the second embodiment affects the performance of the vacuum suction tool, the structure of the vacuum suction tool 1 is shown in fig. 5, and the vacuum suction tool comprises a cavity 101, a bottom plate 102 and a sponge 103 which are sequentially connected together, a positive airflow hole 105 and a negative airflow hole 105 are formed in the cavity 101, when the vacuum suction tool adsorbs the articles, negative air is injected from the holes, and when the vacuum suction tool releases the articles, positive air is injected from the holes, which is a technology known to those skilled in the art, and the specific structure and the working principle of the technology are not repeated in the specification of the present utility model. In this embodiment, on the basis of the first embodiment, the cavity 101 is improved, as shown in fig. 6, a plurality of separation strips 1011 are disposed in the cavity 101 of the vacuum suction tool 1, the separation strips 1011 can be individually processed and welded in the cavity 101, or can be simultaneously processed when the cavity 101 is processed, the separation strips 1011 divide the cavity 101 into a plurality of independent units, so that the vacuum suction tool 1 has a plurality of independent adsorption areas, each independent adsorption area corresponds to a different article to be conveyed, each independent adsorption area corresponds to a different article respectively during conveying, the articles are independently adsorbed, and the separation strips 1011 are positioned at the gaps, thereby avoiding the influence of the gaps on the vacuum suction tool 1.

Embodiment four: the embodiment is a further solution to the problem that the gap between the articles of the second embodiment affects the performance of the vacuum suction tool, in this embodiment, on the basis of the first embodiment, a self-closing valve is disposed on the vacuum suction tool 1, and when a closed adsorption area cannot be formed between the vacuum suction tool 1 and the articles to be carried, the self-closing valve automatically closes the air flow channel of the area, that is, at the gap between the articles, the vacuum suction tool 1 cannot form an adsorption area with the gap, and the self-closing valve automatically closes the air flow channel to avoid the loss of negative pressure air, so that the adsorption force of the vacuum suction tool is not affected. As shown in fig. 7 to 10, the self-closing valve of this embodiment is provided with a valve plate 104 between a cavity 101 of a vacuum suction tool 1 and a bottom plate 102 of the vacuum suction tool 1, the self-closing valve is disposed on the valve plate 104, negative pressure air or positive pressure air injected from a positive air flow hole 105 flows into the bottom plate 102 through the self-closing valve on the valve plate 104, the self-closing valve comprises a plum blossom hole 1041 and a valve bead hole 1043 which are sequentially communicated, a spherical hole 1044 and an air hole 1045, the aperture of the valve bead hole 1043 is larger than that of the air hole 1045, the valve bead 1042 is disposed in the valve bead hole 1043, the opening of the air hole 1045 is located in the cavity 101 of the vacuum suction tool 1, and the working principle is that when the vacuum suction tool 1 adsorbs articles, the valve bead 1042 is sucked into the spherical hole 1044 under the action of high flow negative pressure air, thereby avoiding the influence of the vacuum suction tool 1 caused by the gap between articles, and when the positive pressure air releases articles, the high flow rate negative pressure air is pushed into the plum blossom hole 1041, and the valve bead 1041 is not influenced by the high pressure air flow rate is not influenced by the plum blossom hole 1041.

Fifth embodiment: in another embodiment provided by the utility model based on the first embodiment, a wrapping curtain 14 is arranged on a vacuum suction tool 1, the vacuum suction tool 1 is used for wrapping an article to be conveyed by the wrapping curtain 14 so as to solve the problem of falling parts of the vacuum suction tool, specifically as shown in fig. 11, the wrapping curtain 14 is fixedly arranged on the side wall of the vacuum suction tool 1, the wrapping curtain 14 is made of flexible, airtight and tear-resistant materials, the article to be conveyed is placed in the wrapping curtain 14, a surrounding clamping device is also arranged on the vacuum suction tool 1 and surrounds the wrapping curtain 14, the article to be conveyed in a wrapping space can be clamped, negative pressure air is injected when the vacuum suction tool 1 adsorbs the article, the air in the wrapping curtain 14 is pumped away, the article to be conveyed is tightly wrapped by the wrapping curtain 14, the article to be conveyed is upwards lifted by the wrapping curtain 14, the embodiment is particularly suitable for multi-bottle beer bound by a binding rope, multi-can beverage packed by soft film plastic, knitwear, cloth and other breathable articles, because the top area of the beer bottle is smaller, an adsorption surface is difficult to form between the beer bottle and a vacuum absorber, the soft film plastic has low strength, the soft film plastic is easy to deform when being adsorbed by the vacuum absorber, and an unstable adsorption surface is not formed between the vacuum absorber, the breathable articles such as knitwear, cloth and the like can not form the adsorption surface with the vacuum absorber, when the vacuum absorber device is applied to the articles which can not form the adsorption surface with vacuum, the bottom of the articles is provided with a non-breathable supporting plate, the supporting plate can be selected from paperboards, the vacuum absorber, a packaging curtain and the supporting plate are enclosed into an adsorption space, the adsorption space wraps the multi-bottle beer to be carried, the multi-can beverage packed by the soft film plastic, the knitwear, the cloth and other breathable articles into the vacuum absorber, and negative pressure air is injected when the vacuum absorber absorbs the articles, the air in the adsorption space is pumped away, the wrapping curtain tightly wraps the articles to be carried into a whole and is clamped by the encircling clamping device, so that the vacuum suction tool can adsorb the non-falling articles of the articles.

Meanwhile, in order to smoothly enclose the articles to be conveyed by the wrapping curtain 14, the upper end of the wrapping curtain 14 is fixed on the side wall of the vacuum suction tool 1, four corners of the lower part of the wrapping curtain 14 are opened, and the lower ends of the wrapping curtain 14 are upwards folded and fixed on the clamping parts 20 of the first clamping arm 6, the second clamping arm 7, the third clamping arm 8 and the fourth clamping arm 9.

When the embodiment works, the vacuum suction device is firstly installed on the mechanical arm of the carrying robot, the distance-adjusting motor 10 is started, the first clamping arm 6 or the second clamping arm 7 or the third clamping arm 8 or the fourth clamping arm 9 is adjusted to the proper height of the article to be carried, the mechanical arm of the carrying robot moves the vacuum suction device to the article to be carried, for the article to be carried which cannot form an effective adsorption surface with the vacuum suction device, an airtight paperboard is required to be placed at the bottom of the article to be carried, the article to be carried is surrounded by the wrapping curtain 14, the cylinder 13 is driven to enable the first clamping arm 6, the second clamping arm 7, the third clamping arm 8 and the fourth clamping arm 9 to move around the wrapping curtain 14, the wrapping curtain and the article to be carried are clamped together, meanwhile negative pressure air is blown into the vacuum suction device 1, the air in the wrapping curtain 14 is pumped away, when the article to be carried is carried, the article to be carried is subjected to upward lifting force, the wrapping curtain 14 is enabled to enable the article to be carried to be integrated, the first clamping arm 6, the second clamping arm 7, the third clamping arm 8 and the fourth clamping arm 9 are prevented from being clamped by the first clamping arm 7, the fourth clamping device, and the fourth clamping device is enabled to have high traction force, and the fourth clamping device is also enabled to have the clamping force to be applied to the first clamping arm 8 and the fourth clamping arm and the article to be clamped by the fourth clamping arm.

In the foregoing, an optimal embodiment of the encircling clamping device is provided, the utility model also provides another embodiment of the encircling clamping device, as shown in fig. 12 to 14, the encircling clamping device comprises a sliding frame 15, the sliding frame 15 is fixedly installed on a frame seat 2 or a vacuum suction tool 1, the left clamping arm 16 and the right clamping arm 17 are respectively arranged on the left side and the right side of the sliding frame 15 in a sliding manner, the sliding connection manner can adopt a conventional sliding connection structure known in the industry, the left clamping arm 16 and the right clamping arm 17 are respectively provided with an arc-shaped clamping part 20, the arc-shaped clamping part 20 can enclose an article to be carried, and a clamping arm driving device is further provided for driving the left clamping arm 16 and the right clamping arm 17 to slide.

In this embodiment, the clamping arm driving device selects a motor 18 and a screw rod 19 mode, specifically, the motor 18 is fixedly installed on the vacuum suction tool 1, the screw rod 19 is fixedly connected to the output shaft of the motor 18, the left side and the right side of the screw rod 19 are respectively provided with a positive thread and a negative thread, the positive thread and the negative thread on the left side and the right side of the screw rod 19 are respectively in threaded connection with the left clamping arm 16 and the right clamping arm 17, and when the motor 18 rotates positively and negatively, the screw rod 19 is driven to rotate, and under the action of the left thread and the right thread, the left clamping arm 16 and the right clamping arm 17 approach or depart, and the article to be conveyed is clamped or released.

In addition to the above-mentioned embodiment of the encircling clamping device, the embodiment of the present utility model also provides another embodiment of the encircling clamping device, and the third embodiment of the encircling clamping device provides another preferred clamping arm driving device structure based on the second embodiment of the encircling clamping device, as shown in fig. 15, the clamping arm driving device selects a driving cylinder 13, the driving cylinder 13 is fixed on the sliding frame 15, the telescopic rod of the driving cylinder 13 and the left clamping arm 16 or the right clamping arm 17 are fixed, and the left clamping arm 16 and the right clamping arm 17 are pushed and pulled by the cylinder to move, so as to clamp or release the article to be carried.

The utility model has been described above with particularity and detail in connection with general description and specific embodiments. It should be understood that numerous conventional modifications and further innovations may be made to these specific embodiments, based on the technical concepts of the present utility model; but these conventional modifications and further innovations may also fall within the scope of the claims of the present utility model as long as they do not depart from the technical spirit of the present utility model.

Claims (10)

1. The vacuum suction device with encircling and clamping functions is characterized by comprising a vacuum suction device (1); the vacuum suction tool (1) is provided with a surrounding clamping device; the encircling clamping device can surround the article to be carried and can clamp the article to be carried.

2. Vacuum suction tool device with encircling and clamping functions according to claim 1, characterized in that the encircling and clamping device is telescopically arranged on the vacuum suction tool (1).

3. A vacuum suction device with encircling and clamping functions according to claim 2, characterized by further comprising a bracket base (2); the encircling clamping device is arranged on the bracket seat (2), and a distance-adjusting motor (10) is arranged on the bracket seat (2); a distance adjusting screw rod (5) is arranged on an output shaft of the distance adjusting motor (10); the distance adjusting screw rod (5) is in threaded connection with the vacuum suction tool (1), and when the distance adjusting motor (10) rotates positively and reversely, the distance adjusting screw rod (5) is driven to rotate positively and reversely, and under the action of threads, the encircling clamping device is close to or far away from the vacuum suction tool (1) so as to adapt to articles with different heights.

4. A vacuum suction device with encircling and clamping functions according to claim 3, characterized in that the vacuum suction device (1) is provided with a plurality of sliding guide rods (11); the bracket seat (2) is provided with a sliding guide hole matched with the sliding guide rod (11); the sliding guide rod (11) body can be movably inserted into the sliding guide hole.

5. The vacuum suction tool device with the encircling and clamping functions according to claim 4, characterized in that the encircling and clamping device comprises a first sliding frame (3) and a second sliding frame (4) which are fixedly arranged on the bracket seat (2); the first sliding frame (3) and the second sliding frame (4) are crossed and perpendicular; a third clamping arm (8) and a fourth clamping arm (9) are respectively arranged on the front side and the rear side of the first sliding frame (3) in a sliding manner; a first clamping arm (6) and a second clamping arm (7) are respectively arranged on the left side and the right side of the second sliding frame (4) in a sliding manner; a driving cylinder (13) for driving the first clamping arm (6), the second clamping arm (7), the third clamping arm (8) and the fourth clamping arm (9) to slide is respectively arranged on the bracket seat (2); the telescopic rod of the driving cylinder (13) is connected with the first clamping arm (6) or the second clamping arm (7) or the third clamping arm (8) or the fourth clamping arm (9).

6. Vacuum suction tool device with encircling and clamping function according to claim 1, characterized in that the encircling and clamping device comprises a sliding frame (15) arranged on the vacuum suction tool (1); a left clamping arm (16) and a right clamping arm (17) are respectively arranged on the left side and the right side of the sliding frame (15) in a sliding manner; arc-shaped clamping parts (20) are arranged on the left clamping arm (16) and the right clamping arm (17); and a clamping arm driving device is also arranged for driving the left clamping arm (16) and the right clamping arm (17) to slide.

7. A vacuum suction device with encircling and clamping function according to claim 6, characterized in that the clamping arm driving means is a motor (18) arranged on the vacuum suction device (1); a screw rod (19) is connected to the output shaft of the motor (18); the left side and the right side of the screw rod (19) are respectively provided with a positive thread and a reverse thread; the positive threads and the negative threads on the left side and the right side of the screw rod (19) are respectively in threaded connection with the left clamping arm (16) and the right clamping arm (17); when the motor (18) rotates positively and reversely, the screw rod (19) is driven to rotate, and under the action of left and right threads, the left clamping arm (16) and the right clamping arm (17) approach or depart, so that the articles to be carried are clamped or released.

8. A vacuum suction device with encircling and clamping function according to claim 6, characterized in that the clamping arm driving means is a driving cylinder (13) arranged on the carriage (15); the telescopic rod of the driving cylinder (13) is connected with the left clamping arm (16) or the right clamping arm (17).

9. Vacuum suction device with encircling and clamping functions according to any of claims 1-8, characterized in that at least 2 vacuum suction devices (1) are fixed as a whole, each vacuum suction device (1) corresponding to a different article to be handled.

10. The vacuum suction device with encircling and clamping functions according to any one of claims 1 to 8, characterized in that a plurality of separation strips (1011) are arranged in the cavity (101) of the vacuum suction device (1); the separation strip (1011) divides the cavity (101) of the vacuum suction tool (1) into a plurality of independent units, so that the vacuum suction tool (1) is provided with a plurality of independent adsorption areas, and each independent adsorption area corresponds to different articles to be carried.