Hollow arc curve vacuum adsorption structure

Abstract

The utility model discloses a hollow arc curve vacuum adsorption structure, which belongs to the technical field of workpiece vacuum adsorption and comprises a PF irregular curve workpiece body and a vacuum suction sleeve, and an air suction pipeline is arranged on the inner wall of the vacuum suction sleeve. According to the device, efficient and uniform air suction can be achieved through the cross-shaped four-hole air suction pipeline, the sealing performance is enhanced, the air pressure is accurately controlled, and the overall vacuum adsorption effect is improved, the top of the PF irregular curve workpiece body is sealed through the top silica gel plug, and the lower end contact position of the PF irregular curve workpiece body is sealed through the arc-shaped silica gel plug; and meanwhile, when the device is used, the device and a mechanical gripper can be conveniently and rapidly disassembled, replaced and matched, replacement can be conveniently carried out according to the size of a PF irregular curve workpiece body or other workpieces needing to be adsorbed, and the fixing effect is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to workpiece vacuum adsorption field, concretely, relate to a hollow arc curve vacuum adsorption structure. BACKGROUND

[0002] In the process of modern manufacturing industry to high precision, high efficiency transformation, automation grabbing technology becomes the key link of promoting production efficiency, PF irregular curve workpiece is widely applied in mechanical processing, electronic manufacturing and many other fields, the inside of PF product is hollow through hole, both sides arc surface is irregular curve, brings certain challenge to automation clamping. At present, the existing vacuum suction device is mostly plane suction technology, is applicable to the object grabbing of surface smooth, to the product of irregular curved surface PF, the traditional vacuum suction device cannot be closely combined with it, it is difficult to form effective sealing environment, the grabbing effect is poor, it is difficult to realize stable grabbing, simultaneously, the existing vacuum suction device is long in suction and back gas time when grabbing and releasing product, and the working efficiency is low, and the existing vacuum suction device is often fixedly installed on the mechanical hand claw, and it is inconvenient to disassemble and replace according to the model of workpiece. How to improve these problems becomes the problem that the technical personnel in the field urgently solve. CONTENT OF UTILITY MODEL

[0003] In order to make up for the above insufficient, the utility model provides a hollow arc curve vacuum adsorption structure, aims at improving the existing vacuum suction device mostly plane suction technology, is applicable to the object grabbing of surface smooth, to the product of irregular curved surface PF, the traditional vacuum suction device cannot be closely combined with it, it is difficult to form effective sealing environment, the grabbing effect is poor, it is difficult to realize stable grabbing, simultaneously, the existing vacuum suction device is long in suction and back gas time when grabbing and releasing product, and the working efficiency is low, and the existing vacuum suction device is often fixedly installed on the mechanical hand claw, and it is inconvenient to disassemble and replace according to the model of workpiece.

[0004] The utility model is realized in this way: a hollow arc curve vacuum adsorption structure, including PF irregular curve workpiece body and vacuum suction sleeve, the inner wall of vacuum suction sleeve is provided with suction pipeline, the inner end of vacuum suction sleeve is installed with top silica gel plug, one end of vacuum suction sleeve is installed with arc silica gel plug.

[0005] In the preferred technical scheme of the utility model, the air suction pipeline is arranged as a cross four-hole air suction pipeline, in the vacuum adsorption process, high efficient uniform air suction, enhanced sealing performance, precise control of air pressure can be realized, the overall effect of vacuum adsorption is improved, the layout of cross four-hole can simultaneously suck air through multiple holes in the vacuum adsorption process, relatively balanced suction force can be generated at different positions of the adsorption surface, for the PF irregular curve workpiece body to be grabbed, uniform suction force can ensure that the PF irregular curve workpiece body is subjected to uniform force in the grabbing process, the deformation, falling or unfirm grabbing of the product caused by excessive or insufficient local suction force is avoided, and the stability and reliability of grabbing are improved.

[0006] In the preferred technical scheme of the utility model, the vacuum suction sleeve is provided with a mechanical hand claw clamping rod at one end.

[0007] In the preferred technical scheme of the utility model, the mechanical hand claw clamping rod is provided with a vacuum pipe access pipeline.

[0008] In the preferred technical scheme of the utility model, the vacuum pipe access pipeline is provided with a vacuum pipe auxiliary concave taper surface at one end, the mechanical hand claw clamping rod is clamped through the mechanical hand claw, the vacuum pipe access pipeline of the mechanical hand claw clamping rod and the vacuum pipe of the mechanical hand claw are connected, the vacuum pipe is connected to the vacuum suction sleeve through the vacuum pipe auxiliary concave taper surface, the sealing property is guaranteed, the vacuum degree and the grabbing effect are prevented from being affected by air leakage, the vacuum pipe is conveniently inserted and pulled out, the operation difficulty is reduced, the working efficiency is improved, the special structure of the concave taper surface can effectively disperse stress, the stability of the connecting part is enhanced, the risk of part damage is reduced, the vacuum pipe is connected to the high-pressure vacuum pump and the mechanical hand claw in use, the device is convenient to connect, disassemble and replace, the device can be replaced according to the type and size of the workpiece to be adsorbed, and the device can be applied to workpieces of various types of arc curve irregular curve planes.

[0009] In the preferred technical scheme of the utility model, the inner groove of the vacuum suction sleeve is gradually narrowed and arranged close to the mechanical hand claw clamping rod.

[0010] In the preferred technical scheme of the utility model, the inner wall of the vacuum suction sleeve is provided with an auxiliary positioning block, the top silica gel plug is provided with an auxiliary positioning groove matched with the auxiliary positioning block, the stability of the installation of the top silica gel plug is increased, and the auxiliary positioning block has a certain elasticity.

[0011] In the preferred technical scheme of the utility model, the arc silica gel plug includes sealing rubber sleeve and second sealing rubber sleeve, the second sealing rubber sleeve is installed in one end of the sealing rubber sleeve, the sealing rubber sleeve is sealed and is arranged in cooperation with the inner wall of the vacuum suction sleeve, the second sealing rubber sleeve is sealed and is arranged in cooperation with one end of the vacuum suction sleeve, the top silica gel plug and arc silica gel plug are all arranged in cooperation with PF irregular curve workpiece body, the connecting port of sealing rubber sleeve and second sealing rubber sleeve is arranged in cooperation with the shape of PF irregular curve workpiece body, the top silica gel plug and size arc silica gel plug can be arranged in multiple sizes for different models of workpieces, the device can be connected with the mechanical gripper flexibly and conveniently, the vacuum suction sleeve and mechanical gripper with different sizes of top silica gel plug and arc silica gel plug can be connected according to the size of PF irregular curve workpiece body, so that the fixing and adsorption effect of the workpiece is enhanced, the top of PF irregular curve workpiece body is sealed through the top silica gel plug, and the lower end contact position of PF irregular curve workpiece body is sealed through the arc silica gel plug.

[0012] The utility model discloses the beneficial effect is: the utility model discloses a hollow arc curve vacuum adsorption structure through above -mentioned design, when using, through the mechanical gripper clamping the mechanical gripper holding rod, simultaneously through the mechanical gripper holding rod's vacuumizing pipe enters the pipeline and the vacuumizing pipe connection of mechanical gripper, through the vacuumizing pipe auxiliary concave taper surface can let vacuumizing pipe and vacuum suction sleeve be closely connected, through the air suction pipeline of cross four holes draws the air between vacuum suction sleeve and PF irregular curve workpiece body, through the top silica gel plug sealing PF irregular curve workpiece body's top, through the arc silica gel plug sealing PF irregular curve workpiece body's lower end contact position, along with the air being gradually drawn, the vacuum degree gradually rises, when the vacuum degree reaches the pressure value of pre -established, it is explained that product has been steady snatch. The device can realize efficient uniform air suction, enhance sealing performance, accurate control air pressure through the air suction pipeline of cross four holes, improve the overall effect of vacuum adsorption, the top of PF irregular curve workpiece body is sealed through the top silica gel plug, and the lower end contact position of PF irregular curve workpiece body is sealed through the arc silica gel plug, so that the sealing effect is enhanced, and meanwhile, the device can be conveniently and quickly disassembled and replaced when being used, the size of PF irregular curve workpiece body or other workpieces that need to be adsorbed can be conveniently replaced, so that the fixing effect is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be to the drawings needed in the embodiment used briefly introduces, should understand, the following drawings only shows some embodiments of the utility model, therefore should not be regarded as the limited scope, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other related drawings according to these drawings.

[0014] Fig. 1 is a hollow arc-shaped curve vacuum adsorption structure internal structure schematic view provided by the utility model embodiment;

[0015] Fig. 2 is another internal structure schematic view provided by the utility model embodiment;

[0016] Fig. 3 is a structure schematic view of a hollow arc-shaped curve vacuum adsorption structure provided by the utility model embodiment.

[0017] In the figure: 100, vacuum suction sleeve; 101, air suction pipeline; 102, auxiliary positioning block; 110, mechanical hand claw clamping rod; 111, vacuumizing pipe access pipeline; 112, vacuumizing pipe auxiliary concave taper surface; 200, top silica gel plug; 201, auxiliary positioning groove; 300, arc-shaped silica gel plug; 310, sealing rubber sleeve; 320, second sealing rubber sleeve; 400, PF irregular curve workpiece body. Specific embodiments

[0018] In order to make the purpose, technical scheme and advantages of the utility model embodiments clearer, the technical scheme in the utility model embodiments will be described clearly and completely below by combining the drawings in the utility model embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Please refer to Figs. 1-3 The utility model provides technical scheme: a hollow arc-shaped curve vacuum adsorption structure, including PF irregular curve workpiece body 400 and vacuum suction sleeve 100, the inner wall of vacuum suction sleeve 100 is provided with air suction pipeline 101, and the inner end of vacuum suction sleeve 100 is installed with top silica gel plug 200, and one end of vacuum suction sleeve 100 is installed with arc-shaped silica gel plug 300.

[0020] In some specific embodiments, the suction pipeline 101 is arranged as a cross four-hole suction pipeline. In the vacuum suction process, the cross four-hole arrangement can realize efficient and uniform suction, enhance sealing performance, accurately control air pressure, and improve the overall effect of vacuum suction. In the vacuum suction process, multiple holes can simultaneously suck air to produce relatively balanced suction force at different positions of the suction surface. For the PF irregular curve workpiece body 400 that needs to be grabbed, uniform suction force can ensure that the PF irregular curve workpiece body 400 is evenly stressed during grabbing, avoiding product deformation, falling or unstable grabbing due to excessive or insufficient local suction force, and improving the stability and reliability of grabbing.

[0021] In some specific embodiments, the vacuum suction sleeve 100 is provided with a mechanical hand claw clamping rod 110 at one end, and the vacuum suction sleeve 100 is connected with the mechanical hand claw.

[0022] In some specific embodiments, the mechanical hand claw clamping rod 110 is provided with a vacuum pipe access pipeline 111.

[0023] In some specific embodiments, the vacuum pipe access pipeline 111 is provided with a vacuum pipe auxiliary concave taper surface 112 at one end. The mechanical hand claw clamping rod 110 is clamped by the mechanical hand claw, and the vacuum pipe access pipeline 111 of the mechanical hand claw clamping rod 110 is connected with the vacuum pipe of the mechanical hand claw. The vacuum pipe auxiliary concave taper surface 112 can tightly connect the vacuum pipe with the vacuum suction sleeve, ensure the sealing performance, prevent air leakage from affecting the vacuum degree and the grabbing effect, facilitate the insertion and extraction of the vacuum pipe, reduce the operation difficulty, improve the work efficiency, and the special structure of the concave taper surface can effectively disperse stress, enhance the stability of the connection part, reduce the risk of part damage, and facilitate the connection and disassembly of the device. The device can be easily replaced according to the type and size of the workpiece to be suctioned, so that the device can be applied to various types of arc curve irregular curve plane workpieces.

[0024] In some specific embodiments, the groove in the vacuum suction sleeve 100 gradually narrows near the mechanical hand claw clamping rod 110.

[0025] In some specific embodiments, the inner wall of the vacuum suction sleeve 100 is provided with an auxiliary positioning block 102, and the top silica gel plug 200 is provided with an auxiliary positioning groove 201 matched with the auxiliary positioning block 102, which is used to increase the stability of the installation of the top silica gel plug 200. The auxiliary positioning block 102 has a certain elasticity.

[0026] In some specific embodiments, the arc-shaped silica gel plug 300 comprises a sealing sleeve 310 and a second sealing sleeve 320, the second sealing sleeve 320 is mounted at one end of the sealing sleeve 310, the sealing sleeve 310 is sealingly arranged in the inner wall of the vacuum suction sleeve 100, the second sealing sleeve 320 is sealingly arranged at one end of the vacuum suction sleeve 100, the top silica gel plug 200 and the arc-shaped silica gel plug 300 are arranged in the PF irregular curve workpiece body 400, the connecting ports of the sealing sleeve 310 and the second sealing sleeve 320 are arranged in the shape of the PF irregular curve workpiece body 400, the top silica gel plug 200 and the arc-shaped silica gel plug 300 can be provided in multiple sizes for different models of workpieces, the device can be flexibly and conveniently connected with the mechanical gripper, different top silica gel plugs 200 and arc-shaped silica gel plugs 300 can be installed on the vacuum suction sleeve 100 and the mechanical gripper according to the size of the PF irregular curve workpiece body 400, so that the fixing and adsorbing effect of the workpiece is enhanced, the top of the PF irregular curve workpiece body 400 is sealed by the top silica gel plug 200, and the lower end contact position of the PF irregular curve workpiece body 400 is sealed by the arc-shaped silica gel plug 300.

[0027] Working principle: the mechanical gripper clamps the mechanical gripper clamping rod 110, the vacuum pipe of the mechanical gripper clamping rod 110 enters the pipeline 111 and is connected with the vacuum pipe of the mechanical gripper, the auxiliary concave taper surface 112 of the vacuum pipe can make the vacuum pipe and the vacuum suction sleeve closely connected, the air between the vacuum suction sleeve 100 and the PF irregular curve workpiece body 400 is sucked through the cross-shaped four-hole air suction pipeline 101, the top of the PF irregular curve workpiece body 400 is sealed by the top silica gel plug 200, and the lower end contact position of the PF irregular curve workpiece body 400 is sealed by the arc-shaped silica gel plug 300, as the air is gradually sucked out, the vacuum degree gradually increases, and when the vacuum degree reaches the pre-set pressure value, it indicates that the product has been stably grabbed.

[0028] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Those skilled in the art can make various changes and modifications to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A hollow arc curve vacuum suction structure comprising a PF irregular curve workpiece body, characterized in that, Also include a vacuum suction sleeve, the vacuum suction sleeve inner wall is provided with an air suction pipeline, the vacuum suction sleeve inner end is mounted with a top silica gel plug, the vacuum suction sleeve one end is mounted with an arc silica gel plug.

2. The hollow arc curve vacuum adsorption structure according to claim 1, wherein, The air suction pipeline is provided as a cross four-hole air suction pipeline.

3. The hollow arc curve vacuum adsorption structure according to claim 1, wherein, The vacuum suction sleeve one end is provided with a mechanical hand claw clamping rod, the vacuum suction sleeve and the mechanical hand claw are connected.

4. The hollow arcuate curve vacuum attraction structure of claim 3, wherein, The mechanical hand claw clamping rod is provided with a vacuum pipe access pipeline.

5. The hollow arcuate curve vacuum attraction structure of claim 4, wherein, The vacuum pipe access pipeline one end is provided with a vacuum pipe auxiliary concave taper surface.

6. The hollow arcuate curve vacuum attraction structure of claim 3, wherein, The vacuum suction sleeve inner groove is gradually narrowed close to the mechanical hand claw clamping rod.

7. The hollow arcuate curve vacuum attraction structure of claim 1, wherein, The vacuum suction sleeve inner wall is provided with an auxiliary positioning block, the top silica gel plug is provided with an auxiliary positioning groove matched with the auxiliary positioning block.

8. The hollow arcuate curve vacuum attraction structure of claim 1, wherein, The arc silica gel plug includes a sealing rubber sleeve and a second sealing rubber sleeve, the second sealing rubber sleeve is mounted on one end of the sealing rubber sleeve, the sealing rubber sleeve is sealingly arranged matched with the vacuum suction sleeve inner wall, the second sealing rubber sleeve is sealingly arranged matched with one end of the vacuum suction sleeve, the top silica gel plug and the arc silica gel plug are both arranged matched with a PF irregular curve workpiece body.

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