CN214140573U

CN214140573U - Buffer sucker of automatic plate feeding device

Info

Publication number: CN214140573U
Application number: CN202023307887.9U
Authority: CN
Inventors: 畅慧朝; 白宏成
Original assignee: Beijing New Building Material Group Co Ltd
Current assignee: Beijing New Building Material Group Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-07
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses an automatic buffering sucking disc of upper plate device, including the sucking disc main part, the negative pressure pipe of the inside cavity of intercommunication sucking disc main part is installed on sucking disc main part top, and negative pressure outside of tubes slip cap is equipped with the tubulose connecting portion that are used for connecting negative pressure device, connects through sealed buffering subassembly between tubulose connecting portion and the negative pressure pipe, and sealed buffering subassembly establishes the sealing ring on the negative pressure outside of tubes wall including the cover, sets up the dashpot that suits with the sealing ring on the tubulose connecting portion inner wall, and the elastic sealing circle that is located the dashpot is installed towards one side of sucking disc main part to the sealing ring. The tubular connecting part can move relative to the negative pressure pipe and is arranged on the negative pressure pipe in an extruding way through the sealing ring and provided with the elastic sealing ring, so that the inertia of the workpiece during hoisting is buffered, and the defect that the connecting part of the sucker and the negative pressure device is loosened after long-time repeated hoisting is avoided.

Description

Buffer sucker of automatic plate feeding device

Technical Field

The utility model relates to a sucking disc technical field, concretely relates to automatic buffer sucking disc of upper plate device.

Background

The suction cup is a pendant that is attracted to an object by using a difference between internal and external atmospheric pressures, or a tool that grips an object. The vacuum chuck is a technology for maintaining two objects to be attached and not separated through vacuum degree, has industrial application and civil application, realizes 'taking' and 'putting' in the process of carrying and transferring by changing the vacuum degree of the chuck in industry, and realizes automatic mechanization by matching with a negative pressure device, a robot and the like.

The sucking disc snatchs the work piece through the negative pressure in its bottom cavity, but, the sucking disc shifts the in-process to the work piece, because work piece inertial effect, the sucking disc can cause sucking disc and vacuum device's junction to receive great pulling force when lifting the work piece, and in the long run, can cause sucking disc and vacuum device's junction to take place to leak, leads to leading to because of the inside negative pressure of sucking disc is not enough to cause the suction to the work piece to reduce, has the work piece to take place the hidden danger that drops at the in-process that is shifted.

Disclosure of Invention

Therefore, the embodiment of the invention provides a buffer sucker of an automatic plate feeding device, which solves the problem that in the prior art, due to the fact that the rigid connection between the sucker and a negative pressure device is easy to cause leakage at the joint of the sucker and the negative pressure device, the workpiece falls off when being transferred due to insufficient suction force of the sucker.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

a buffer sucker of an automatic plate feeding device comprises a sucker main body, wherein a negative pressure pipe communicated with a cavity in the sucker main body is mounted at the top end of the sucker main body, a tubular connecting part used for connecting a negative pressure device is slidably sleeved outside the negative pressure pipe, and the tubular connecting part and the negative pressure pipe are connected through a sealing buffer assembly;

sealed buffering subassembly establishes including the cover sealing ring on the negative pressure pipe outer wall, seted up on the tubulose connecting portion inner wall with the dashpot that the sealing ring suited, the sealing ring orientation one side of sucking disc main part is installed and is located elastic seal circle in the dashpot, the sealing ring has the work piece in midair the extrusion under the action of gravity of sucking disc main part elastic seal circle will tubulose connecting portion and negative pressure pipe are further sealed.

Furthermore, a sealed air cavity is formed in the elastic sealing ring, expanding parts are formed on the cavity walls of the two sides of the air cavity through outwards bulging, and the expanding parts on the two sides are respectively abutted to the wall of the buffer groove and the outer wall of the negative pressure pipe.

Furthermore, the expansion part is provided with a plurality of expansion parts at intervals along the axial direction of the elastic sealing ring.

Further, the tubulose connecting portion include the outer tube, the outer tube is kept away from peg graft and fixed mounting has the inner tube in the one end of negative pressure pipe, the outer tube for the one end of inner tube install the tip with the tip stay tube that the just relative setting of inner tube tip, the dashpot form in between inner tube, tip stay tube and the outer tube, just sealing ring sliding sleeve establishes on the negative pressure pipe, the tip stay tube is kept away from the outside integrated into one piece of negative pressure pipe has the extension pipe, outer tube one end peg graft and fixed mounting in the extension pipe.

Furthermore, the negative pressure pipe is provided with a shoulder for limiting and supporting the end supporting pipe, and an anti-collision protection pad which is arranged right opposite to the end supporting pipe is arranged on the end face of the shoulder.

Furthermore, the end surface of the end supporting tube opposite to the end surface of the sealing ring is provided with a limit sink groove for embedding the end part of the elastic sealing ring.

Further, the spacing between the limiting sinking grooves at the two ends of the buffer groove is smaller than the axial length of the elastic sealing ring.

Further, the outer tube and the inner tube are kept away from one end of the negative pressure tube is provided with a limiting portion extending towards the outside horizontally, and an auxiliary sealing ring is installed between the limiting portions.

The utility model discloses an embodiment has following advantage:

the utility model discloses well tubulose connecting portion can with negative pressure pipe relative motion to extrusion mounting has elastic seal circle on negative pressure pipe, thereby cushions the inertia when the work piece is hoisted, avoids the sucking disc to take place not hard up with negative pressure device's junction after carrying out long-time repeated hoisting work, thereby avoids leading to the work piece to take place the drawback that drops at the in-process of being shifted because of sucking disc and the not hard up sucking disc suction that causes of negative pressure device junction are not hard up.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a schematic view of the overall structure of an embodiment of the present invention;

FIG. 2 is a left side sectional view of a tubular connection portion according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an elastic sealing ring according to an embodiment of the present invention.

In the figure:

1-a sucker body; 2-a negative pressure pipe; 3-a tubular connection; 4-a sealing ring; 5-a buffer tank; 6-elastic sealing ring; 7-an air cavity; 8-expanding part; 9-shoulder; 10-anti-collision protection pad; 11-limiting sink groove; 12-a limiting part; 13-auxiliary sealing ring

301-an outer tube; 302-an inner tube; 303-end support tubes; 304-extension tubing.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in figures 1 to 3, the utility model discloses a buffer sucker of an automatic plate feeding device, which comprises a sucker main body 1, a negative pressure pipe 2 communicated with the inner cavity of the sucker main body 1 is arranged at the top end of the sucker main body 1, a tubular connecting part 3 used for connecting a negative pressure device is sleeved outside the negative pressure pipe 2 in a sliding way, the tubular connecting part 3 and the negative pressure pipe 2 are connected through a sealing buffer component, when a workpiece is lifted by a conveying device such as a manipulator through a sucker, the tubular connecting part 3 and the negative pressure pipe 2 extrude the elastic sealing ring with elasticity under the action of the gravity of the workpiece, thereby buffering the inertia of the workpiece when being lifted, avoiding the loosening of the connection part of the suction cup and the negative pressure device after the long-time repeated lifting work, thereby avoiding the defect that the workpiece falls off in the transferred process due to insufficient suction of the sucker caused by the looseness of the joint of the sucker and the negative pressure device.

The specific description of the sealing bumper assembly is as follows:

sealing cushion assembly establishes including the cover sealing ring 4 on the negative pressure pipe 2 outer wall sets up the dashpot 5 that suits with sealing ring 4 on the 3 inner walls of tubulose connecting portion, and sealing ring 4 installs the elastic sealing circle 6 that is located dashpot 5 towards one side of sucking disc main part 1, and sealing ring 4 extrudes elastic sealing circle 6 and further seals tubulose connecting portion 3 and negative pressure pipe 2 under the action of gravity that has the sucking disc main part 1 of work piece in midair.

The specific embodiment does, sealed air cavity 7 has been seted up inside being annular elastic sealing ring 6, cushion the two through elastic sealing ring 6 in the twinkling of an eye of negative pressure pipe 2 and the motion of tubulose connecting portion 3 keeping away from each other, and when elastic sealing ring 6 was extruded, the inside gas of air cavity 7 was compressed and extrudees the 7 chamber walls of air cavity, be about, elastic sealing ring 6 outer wall and dashpot 5 cell walls, negative pressure pipe 2 outer wall and sealing ring 4 further support tightly, make the leakproofness between negative pressure pipe 2 and the tubulose connecting portion 3 further promote when the work piece is suspended in midair to the sucking disc, thereby avoided the work piece after being suspended in midair, because of the emergence of the circumstances that the work piece dropped takes place to leak gas and leads to the work piece to take place for the junction of sucking disc and negative pressure device.

Furthermore, a sealed air cavity 7 is formed inside the elastic sealing ring 6, expansion parts 8 are formed on the cavity walls of the two sides of the air cavity 7 through outward bulging, and the expansion parts 8 on the two sides are respectively abutted to the groove wall of the buffer groove 5 and the outer wall of the negative pressure pipe 2.

The inner and outer sides are annular expansion parts 8 to form a structure similar to an auxiliary sealing ring 13, when the two ends of the elastic sealing ring 6 are extruded, the expansion parts 8 on the two sides further extrude the groove wall of the buffer groove 5 or the outer wall of the negative pressure pipe 2 on the corresponding side under the action of air pressure in the air cavity 7, and therefore the sealing performance between the negative pressure pipe 2 and the tubular connecting part 3 is further improved. The plurality of expanded portions 8 are provided at intervals in the axial direction of the elastic seal ring 6, and the sealing performance between the negative pressure tube 2 and the tubular connecting portion 3 is further enhanced by the plurality of auxiliary seal rings 13 formed by the expanded portions 8.

Wherein, tubular connecting portion 3 includes outer tube 301, peg graft and fixed mounting has inner tube 302 in the one end of outer tube 301 far away from negative pressure pipe 2, tip and the just relative tip stay tube 303 that sets up of inner tube 302 tip are installed for the one end of inner tube 302 to outer tube 301, dashpot 5 is formed between inner tube 302, tip stay tube 303 and outer tube 301, and sealing ring 4 slip cover is established on negative pressure pipe 2, outside integrated into one piece that negative pressure pipe 2 was kept away from to tip stay tube 303 has extension pipe 304, outer tube 301 one end is pegged graft and fixed mounting in extension pipe 304.

The split structure of the tubular connecting part 3 enables the negative pressure pipe 2 to be integrally formed on the sucker main body 1, so that the structural strength of connection between the negative pressure pipe 2 and the sucker main body 1 is improved.

In a specific embodiment, after the end supporting tube 303 is sleeved on the negative pressure tube 2, one end of the outer tube 301 is inserted into the extension tube 304 and abuts against the end supporting tube 303, that is, after the outer tube 301 is fixed, the elastic sealing ring 6 and the buffer limiting ring are sequentially sleeved on the negative pressure tube 2, so that the elastic sealing ring 6 and the buffer limiting ring are located in a gap between the negative pressure tube 2 and the outer tube 301. Then, the inner tube 302 is inserted into one end of the outer tube 301 far away from the negative pressure tube 2 and fixed, so that the end part of the inner tube 302 is abutted against the buffering limit ring, the elastic seal ring 6 is pre-extruded by pushing the buffering limit ring, and two sides of the elastic seal ring 6 are abutted against the inner wall of the outer tube 301 and the outer wall of the negative pressure tube 2 respectively, so as to seal the outer tube 301 and the negative pressure tube 2, thereby realizing the sealing connection of the suction cup with the negative pressure device when the workpiece is not suspended, namely completing the assembly of the tubular connecting part 3 and the negative pressure tube 2.

Wherein, outer tube 301 all fixes through the screw with inner tube 302 and extension pipe 304, and outer tube 301, inner tube 302 and extension pipe 304 are last all seted up and run through the lateral wall screw hole.

In addition, in order to support and limit the end supporting tube 303 when the end supporting tube 303 is installed, a shoulder 9 is arranged on the negative pressure tube 2, the end supporting tube 303 is supported by the shoulder 9 after being sleeved on the negative pressure tube 2, when the end supporting tube 303 is supported by the shoulder 9, the distance between the end supporting tube 303 and the sealing ring 4 is slightly smaller than the axial length of the elastic sealing ring 6, and an anti-collision protection pad 10 which is arranged opposite to the end supporting tube 303 is installed on the end surface of the shoulder 9, so that the extension tube 304 is prevented from colliding with the shoulder 9 when being reset by the buffering sealing pad.

Preferably, the end surfaces of the end supporting tube 303 and the sealing ring 4 facing each other are provided with limit sinking grooves 11 for embedding the ends of the elastic sealing rings 6, and the limit sinking grooves 11 limit the sealing ring 4 and are beneficial to enhancing the sealing performance between the ends of the elastic sealing rings 6 and the end supporting tube 303 and the sealing ring 4.

Preferably, the distance between the limiting sunken grooves 11 at the two ends of the buffer groove 5 is smaller than the axial length of the elastic sealing ring 6, that is, after the tubular connecting part 3 is assembled with the negative pressure pipe 2, the elastic sealing ring 6 is in a squeezed state, so that the side wall of the elastic sealing ring 6 is tightly abutted and sealed with the outer wall of the negative pressure pipe 2 and the inner wall of the negative pressure pipe 2.

And, the outer tube 301 and the inner tube 302 are provided with the spacing portion 12 extending horizontally to the outside at the end far from the negative pressure tube 2, so as to facilitate the positioning of the inner tube 302 by the outer tube 301, and the auxiliary sealing ring 13 is installed between the two spacing portions 12, for preventing the leakage between the inner tube 302 and the outer tube 301.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The buffer sucker of the automatic plate feeding device is characterized by comprising a sucker main body (1), wherein a negative pressure pipe (2) communicated with an inner cavity of the sucker main body (1) is mounted at the top end of the sucker main body (1), a tubular connecting part (3) used for connecting a negative pressure device is sleeved outside the negative pressure pipe (2) in a sliding manner, and the tubular connecting part (3) and the negative pressure pipe (2) are connected through a sealing buffer component;

sealed buffering subassembly establishes including the cover sealing ring (4) on negative pressure pipe (2) outer wall, seted up on tubulose connecting portion (3) inner wall with buffer slot (5) that sealing ring (4) suited, sealing ring (4) orientation one side of sucking disc main part (1) is installed and is located elastic sealing circle (6) in buffer slot (5), sealing ring (4) are hanging in midair and are had the work piece the gravity action of sucking disc main part (1) extrudees down elastic sealing circle (6) and will tubulose connecting portion (3) and negative pressure pipe (2) are further sealed.

2. The buffer sucker of an automatic plate feeding device according to claim 1, wherein a sealed air cavity (7) is formed inside the elastic sealing ring (6), and expanded portions (8) are formed on the cavity walls of the two sides of the air cavity (7) by bulging outwards, and the expanded portions (8) on the two sides are respectively abutted against the groove wall of the buffer groove (5) and the outer wall of the negative pressure pipe (2).

3. The buffer sucker of an automatic plate feeding device as claimed in claim 2, wherein the expanded portion (8) is provided in plurality at intervals along the axial direction of the elastic sealing ring (6).

4. The cushion suction cup of an automatic plate feeding device according to claim 1, the tubular connecting part (3) comprises an outer tube (301), one end of the outer tube (301) far away from the negative pressure tube (2) is internally inserted and fixedly provided with an inner tube (302), an end supporting pipe (303) with the end part opposite to the end part of the inner pipe (302) is arranged at one end of the outer pipe (301) opposite to the inner pipe (302), the buffer tank (5) is formed among the inner pipe (302), the end supporting pipe (303) and the outer pipe (301), the sealing ring (4) is sleeved on the negative pressure pipe (2) in a sliding manner, the outer side of the end supporting pipe (303) far away from the negative pressure pipe (2) is integrally formed with an extension pipe (304), one end of the outer pipe (301) is inserted and fixedly installed in the extension pipe (304).

5. The buffer sucker of an automatic plate feeding device according to claim 4, wherein a shoulder (9) for limiting and supporting the end supporting tube (303) is arranged on the negative pressure tube (2), and an anti-collision protection pad (10) arranged opposite to the end supporting tube (303) is arranged on the end surface of the shoulder (9).

6. The buffer sucker of an automatic plate feeding device according to claim 4, wherein the end supporting tube (303) and the end surface of the sealing ring (4) opposite to each other are provided with limit sinking grooves (11) for embedding the end of the elastic sealing ring (6).

7. The buffer sucker of an automatic plate feeding device according to claim 6, wherein the distance between the limit sunken grooves (11) at the two ends of the buffer groove (5) is smaller than the axial length of the elastic sealing ring (6).

8. The buffer sucker of an automatic plate feeding device according to claim 4, wherein one end of the outer pipe (301) and one end of the inner pipe (302) far away from the negative pressure pipe (2) are both provided with limiting parts (12) extending horizontally towards the outside, and an auxiliary sealing ring (13) is arranged between the two limiting parts (12).