CN210879345U

CN210879345U - Vacuum adsorption device

Info

Publication number: CN210879345U
Application number: CN201921753732.2U
Authority: CN
Inventors: 赵应成; 田宗伟
Original assignee: Suzhou Ginier Machinery Technology Co ltd
Current assignee: Suzhou Ginier Machinery Technology Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-30
Anticipated expiration: 2029-10-18

Abstract

The application provides a vacuum adsorption device, which comprises a mounting fixing plate, the mounting fixing plate is provided with a plurality of vacuum sucker mounting holes which penetrate through the upper surface and the lower surface of the mounting fixing plate, a plurality of connecting channels are also arranged in the mounting and fixing plate, a plurality of vacuum suction head mounting holes are connected through the connecting channels, the connecting channel is communicated with a vacuum air source, a vacuum suction head is arranged in the vacuum suction head mounting hole, the vacuum suction head comprises a cylinder barrel, the cylinder barrel is provided with a movable chamber with a downward opening and arranged along the axial direction, the movable cavity in install a piston rod that can follow axial activity, the piston rod overcoat be equipped with a locating part, the locating part install in the lower tip of movable cavity, the piston rod in have a first vacuum chamber along the axial setting.

Description

Vacuum adsorption device

Technical Field

The application relates to the field of processing and manufacturing, in particular to a vacuum adsorption device.

Background

In the existing machining process, locking pieces such as screws are often needed for locking some structures or parts of a workpiece to be machined, and in the prior art, a vacuum suction device is generally used for automatically aligning and sucking a product. The vacuum connection port of the prior art vacuum suction head is usually arranged at the end of the vacuum chamber, and this design not only increases the space occupied by the vacuum suction head, but also increases the space occupied by the vacuum suction device, and the vacuum connection port is easy to rub against the piston rod, which affects the motion of the piston rod.

Disclosure of Invention

The technical problem that this application will be solved provides a vacuum adsorption device.

In order to solve the technical problem, the present application provides a vacuum adsorption device, the vacuum adsorption device comprises an installation fixing plate, the installation fixing plate is provided with a plurality of vacuum suction head installation holes, the vacuum suction head installation holes penetrate through the upper surface and the lower surface of the installation fixing plate, the installation fixing plate is internally provided with a plurality of connecting channels, the vacuum suction head installation holes are connected through the connecting channels, the connecting channels are communicated with a vacuum air source, the vacuum suction head installation holes are internally provided with vacuum suction heads, the vacuum suction heads comprise a cylinder barrel, the cylinder barrel is provided with a movable cavity with a downward opening and arranged along the axial direction, the movable cavity is internally provided with a piston rod capable of moving along the axial direction, the piston rod is externally sleeved with a limiting piece, and the limiting piece is arranged at the lower end part of the movable cavity, the piston rod in have a first vacuum chamber along the axial setting, first vacuum chamber with the activity cavity be linked together, the lateral wall of cylinder on offer the vacuum connector who is used for connecting the vacuum air supply, the vacuum connector with the connecting channel be linked together, the activity cavity pass through the vacuum connector and be linked together with the vacuum air supply, the lower tip of first vacuum chamber be the vacuum chuck connector that is used for connecting vacuum chuck.

Preferably, a circle of sealing ring mounting groove is formed in the outer wall of the piston rod along the circumferential direction, a sealing ring is mounted in the sealing ring mounting groove, and the inner wall of the limiting part is in sealing connection with the outer wall of the piston rod through the sealing ring. The sealing washer cooperates with stop device, and the tight fit is realized with the sealing washer mounting groove to the sealing washer, guarantees sealedly.

Preferably, a spring is further arranged in the movable chamber, the upper end of the spring acts on the upper end of the movable chamber, the lower end of the spring acts on the upper end of the piston rod, a spring mounting groove is formed in the upper end of the piston rod, and the lower end of the spring is arranged in the spring mounting groove. The axial reset component (spring) is arranged, and after the sucker contacts with a product, the axial reset component contracts to ensure the sealing effect of the adsorption component and an adsorbed object. The spring mounting groove can prevent the lateral movement of the spring.

Preferably, the upper end of the piston rod is further provided with a retainer ring, and the retainer ring is blocked in the movable chamber by the limiting member. The shape of the retainer ring is matched with that of the movable chamber, and when the piston rod moves downwards, the limiting piece can touch the retainer ring to prevent the piston rod from further moving downwards.

Preferably, the side wall of the piston rod is further provided with a third vacuum chamber communicated with the movable chamber, and the third vacuum chamber is located in the movable chamber. The third vacuum chamber can ensure the smoothness of the vacuum pipeline in the axial movement process of the piston rod. If there is not the third vacuum chamber, when the upper end of stopper is hugged closely to the retaining ring, can form airtight space between sealing washer and retaining ring to have an adsorption affinity to the piston rod, influence the free removal of piston rod, and set up behind the third vacuum chamber, the third vacuum chamber is linked together with the movable chamber, can not form airtight space between sealing washer and retaining ring, can guarantee the free removal of piston rod in the axial.

Preferably, the vacuum suction head further comprises a nut cover, the nut cover is screwed to the upper end of the cylinder, the lower end of the cylinder protrudes in the circumferential direction to form a mounting and fixing platform, when the vacuum suction head is mounted in the vacuum suction head mounting hole, the mounting and fixing platform abuts against the lower surface of the mounting and fixing plate, the lower end of the nut cover abuts against the upper surface of the mounting and fixing plate, and a gasket for sealing and buffering is further arranged between the mounting and fixing platform and the mounting and fixing plate. In the process of installing the vacuum suction head on the installation fixing plate, the cylinder barrel penetrates through the vacuum suction head installation hole from bottom to top, and then the nut cover is screwed on the top of the cylinder barrel until the installation fixing plate is clamped between the nut cover and the installation fixing table.

Preferably, a concave ring is arranged on the side wall of the cylinder barrel along the circumferential direction, a second vacuum chamber is formed in the concave ring, the vacuum connecting port is arranged in the second vacuum chamber, and the second vacuum chamber is communicated with the connecting channel. If not set up the second vacuum chamber in the cylinder, the connecting channel just must be aimed at to the vacuum connector, just can realize the intercommunication of activity cavity and connecting channel, when installing vacuum suction head in the installation fixed plate, because the connecting channel is located the installation fixed plate, the installer can't observe whether the connecting channel is aimed at to the vacuum connector, can cause the phenomenon that the air flue blockked up, if the vacuum suction head rotates in the vacuum suction head mounting hole in addition, can cause vacuum connector and connecting channel's dislocation, cause the jam of air flue. And after having set up the second vacuum chamber, just fine solution above-mentioned problem, as long as guarantee the intercommunication of second vacuum chamber and interface channel, just can guarantee the intercommunication of interface channel and vacuum connector, even vacuum suction head takes place to rotate in the vacuum suction head mounting hole, can not cause the jam of air flue yet.

Preferably, the locating part make for the PEEK material, the sealing washer make for rubber materials, the PEEK material is wear-resisting and lubricating property is better, and frictional resistance is little when realizing the piston rod activity, the little effect of activity noise.

Preferably, the mounting fixing plate is further provided with a vacuum interface, the vacuum interface is communicated with one of the vacuum suction head mounting holes, a vacuum connector is mounted at the vacuum interface, and the vacuum connector is used for being connected with a vacuum air source.

Preferably, the lower end of the piston rod is connected with a suction cup.

According to the vacuum adsorption device, the vacuum connecting port is arranged on the side face of the cylinder barrel, so that the occupied space of the vacuum suction head cannot be reduced, and the vacuum suction head can be conveniently installed on the installation fixing plate.

Specific embodiments of the present application are disclosed in detail with reference to the following description and drawings, indicating the manner in which the principles of the application may be employed. It should be understood that the embodiments of the present application are not so limited in scope. The embodiments of the application include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments, in combination with or instead of the features of the other embodiments.

It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for assisting the understanding of the present application, and are not particularly limited to the shapes, the proportional sizes, and the like of the respective members in the present application. Those skilled in the art, having the benefit of the teachings of this application, may select various possible shapes and proportional sizes to implement the present application, depending on the particular situation.

FIG. 1 is a schematic view of a vacuum cleaner head;

FIG. 2 is a schematic view of a vacuum cleaner head;

FIG. 3 is a schematic sectional view taken along the line A-A of FIG. 2;

FIG. 4 is a schematic view of the piston rod construction;

FIG. 5 is a schematic view of a vacuum adsorption apparatus;

fig. 6 is a schematic structural view of the installation fixing plate of the present application.

Wherein: 1. a nut cover; 2. a cylinder barrel; 3. a gasket; 4. a piston rod; 5. a limiting member; 6. a spring; 7. a seal ring;

21. a vacuum connection port; 22. installing a fixed table; 23. a movable chamber; 24. a second vacuum chamber;

41. a first vacuum chamber; 42. a vacuum chuck connection port; 43. a third vacuum chamber; 44. a retainer ring; 45. a spring mounting groove; 46. a sealing ring mounting groove;

8. a vacuum joint; 9. mounting a fixed plate; 10. a suction cup;

91. a vacuum suction head mounting hole; 92. a connecting channel; 93. and a vacuum interface.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 5 and 6, the present application provides a vacuum adsorption device, which comprises an installation fixing plate 9, wherein a plurality of vacuum suction head installation holes 91 are formed in the installation fixing plate 9, the vacuum suction head installation holes 91 penetrate through the upper surface and the lower surface of the installation fixing plate 9, a plurality of connecting channels 92 are further formed in the installation fixing plate 9, the vacuum suction head installation holes 91 are connected through the connecting channels 92, the connecting channels 92 are communicated with a vacuum air source, and vacuum suction heads are installed in the vacuum suction head installation holes 91.

As shown in fig. 1-4, the vacuum suction head comprises a cylinder 2, the cylinder 2 has a movable chamber 23 with a downward opening and arranged along the axial direction, a piston rod 4 capable of moving along the axial direction is arranged in the movable cavity 23, a limiting piece 5 is sleeved outside the piston rod 4, the limiting piece 5 is arranged at the lower end part of the movable cavity 23, the piston rod 4 is provided with a first vacuum chamber 41 arranged along the axial direction, the first vacuum chamber 41 is communicated with the movable chamber 23, a vacuum connecting port 21 for connecting a vacuum air source is arranged on the side wall of the cylinder barrel 2, the vacuum connecting port 21 is communicated with the connecting channel 92, the movable chamber 23 is communicated with a vacuum air source through the vacuum connecting port 21, and the lower end part of the first vacuum chamber 41 is a vacuum suction disc 10 connecting port 42 for connecting the vacuum suction disc 10. The outer wall of the piston rod 4 is circumferentially provided with a circle of sealing ring mounting groove 46, the sealing ring mounting groove 46 is provided with a sealing ring 7, and the inner wall of the limiting part 5 is hermetically connected with the outer wall of the piston rod 4 through the sealing ring 7. Sealing washer 7 and stop device cooperation, sealing washer 7 and sealing washer mounting groove 46 realize the tight fit, guarantee to seal. The movable chamber 23 is internally provided with a spring 6, the upper end part of the spring 6 acts on the upper end of the movable chamber 23, the lower end part of the spring 6 acts on the upper end of the piston rod 4, the upper end of the piston rod 4 is provided with a spring mounting groove 45, and the lower end part of the spring 6 is arranged in the spring mounting groove 45. The axial resetting component (spring 6) is arranged, and after the sucker 10 contacts with a product, the axial resetting component contracts to ensure the sealing effect of the adsorption component and an adsorbed object. The spring mounting groove 45 can prevent the spring 6 from moving laterally.

The upper end of the piston rod 4 is further provided with a retainer ring 44, and the retainer ring 44 is blocked in the movable chamber 23 by the limiting member 5. The shape of the stop ring 44 matches the shape of the movable chamber 23, and when the piston rod 4 moves downwards, the stop member 5 will hit the stop ring 44, preventing the piston rod 4 from moving further downwards. The side wall of the piston rod 4 is further provided with a third vacuum chamber 43 communicated with the movable chamber 23, and the third vacuum chamber 43 is located in the movable chamber 23. The third vacuum chamber 43 can ensure the smoothness of the vacuum pipeline in the axial movement process of the piston rod 4. If the third vacuum chamber 43 is not provided, when the retainer ring 44 is tightly attached to the upper end of the stopper 5, a closed space is formed between the seal ring 7 and the retainer ring 44, so that the piston rod 4 has an adsorption force and the free movement of the piston rod 4 is influenced, and after the third vacuum chamber 43 is provided, the third vacuum chamber 43 is communicated with the movable chamber 23, so that a closed space is not formed between the seal ring 7 and the retainer ring 44, and the free movement of the piston rod 4 in the axial direction can be ensured. The vacuum suction head also comprises a nut cover 1, the nut cover 1 is connected to the upper end part of the cylinder barrel 2 in a threaded mode, the lower end part of the cylinder barrel 2 protrudes along the circumferential direction to form an installation fixing table 22, when the vacuum suction head is installed in the vacuum suction head installation hole 91, the installation fixing table 22 abuts against the lower surface of the installation fixing plate 9, the lower end of the nut cover 1 abuts against the upper surface of the installation fixing plate 9, and a gasket 3 for sealing and buffering is further arranged between the installation fixing table 22 and the installation fixing plate 9. In the process of mounting the vacuum suction head on the mounting and fixing plate 9, the cylinder barrel 2 firstly penetrates through the vacuum suction head mounting hole 91 from bottom to top, and then the nut cover 1 is screwed on the top of the cylinder barrel 2 until the mounting and fixing plate 9 is clamped between the nut cover 1 and the mounting and fixing table 22.

A concave ring is arranged on the side wall of the cylinder barrel 2 along the circumferential direction, a second vacuum chamber 24 is formed in the concave ring, the vacuum connecting port 21 is arranged in the second vacuum chamber 24, and the second vacuum chamber 24 is communicated with the connecting channel 92. If the cylinder 2 is not provided with the second vacuum chamber 24, the vacuum connection port 21 must be aligned with the connection channel 92 to communicate the movable chamber 23 with the connection channel 92, when the vacuum suction head is mounted in the mounting and fixing plate 9, the connection channel is located in the mounting and fixing plate 9, so that an installer cannot observe whether the vacuum connection port 21 is aligned with the connection channel 92, which may cause the blockage of the air passage, and if the vacuum suction head rotates in the vacuum suction head mounting hole 91, the vacuum connection port 21 may be misaligned with the connection channel 92, which may cause the blockage of the air passage. The second vacuum chamber 24 is provided, so that the communication between the connection passage 92 and the vacuum connection port 21 can be ensured as long as the communication between the second vacuum chamber 24 and the connection passage 92 is ensured, and the air passage is not blocked even if the vacuum suction head rotates in the vacuum suction head mounting hole 91. Locating part 5 make for the PEEK material, sealing washer 7 make for rubber materials, the PEEK material is wear-resisting and lubricating property is better, and frictional resistance is little when realizing 4 activities of piston rod, the little effect of activity noise.

The mounting and fixing plate 9 is further provided with a vacuum interface 93, the vacuum interface 93 is communicated with one vacuum suction head mounting hole 91, a vacuum connector 8 is mounted at the vacuum interface 93, and the vacuum connector 8 is used for being connected with a vacuum air source. The lower end of the piston rod 4 is connected with a suction cup 10.

According to the vacuum adsorption device, the vacuum connecting port 21 is arranged on the side face of the cylinder barrel 2, so that the occupied space of the vacuum suction head cannot be reduced, and the vacuum suction head can be conveniently installed on the installation fixing plate 9.

It is to be noted that, in the description of the present application, the meaning of "a plurality" is two or more unless otherwise specified.

All articles and references disclosed, including patent applications and publications, are hereby incorporated by reference for all purposes. The term "consisting essentially of …" describing a combination shall include the identified element, ingredient, component or step as well as other elements, ingredients, components or steps that do not materially affect the basic novel characteristics of the combination. The use of the terms "comprising" or "including" to describe combinations of elements, components, or steps herein also contemplates embodiments that consist essentially of such elements, components, or steps. By using the term "may" herein, it is intended to indicate that any of the described attributes that "may" include are optional.

A plurality of elements, components, parts or steps can be provided by a single integrated element, component, part or step. Alternatively, a single integrated element, component, part or step may be divided into separate plural elements, components, parts or steps. The disclosure of "a" or "an" to describe an element, ingredient, component or step is not intended to foreclose other elements, ingredients, components or steps.

It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of subject matter that is disclosed herein is not intended to forego the subject matter and should not be construed as an admission that the applicant does not consider such subject matter to be part of the disclosed subject matter.

Claims

1. A vacuum adsorption device is characterized in that the vacuum adsorption device comprises an installation fixing plate, a plurality of vacuum sucker installation holes are formed in the installation fixing plate and penetrate through the upper surface and the lower surface of the installation fixing plate, a plurality of connecting channels are further formed in the installation fixing plate, the vacuum sucker installation holes are connected through the connecting channels, the connecting channels are communicated with a vacuum air source,

the vacuum suction head mounting hole is internally provided with a vacuum suction head, the vacuum suction head comprises a cylinder barrel, the cylinder barrel is provided with a movable cavity with a downward opening and arranged along the axial direction, a piston rod capable of moving along the axial direction is arranged in the movable cavity, a limiting piece is sleeved outside the piston rod and arranged at the lower end part of the movable cavity, a first vacuum cavity arranged along the axial direction is arranged in the piston rod and communicated with the movable cavity, the side wall of the cylinder barrel is provided with a vacuum connecting port used for connecting a vacuum air source, and the vacuum connecting port is communicated with the connecting channel,

the movable chamber is communicated with a vacuum air source through the vacuum connecting port, and the lower end part of the first vacuum chamber is a vacuum sucker connecting port for connecting a vacuum sucker.

2. The vacuum adsorption device according to claim 1, wherein a circle of sealing ring installation groove is formed in the outer wall of the piston rod along the circumferential direction, a sealing ring is installed in the sealing ring installation groove, and the inner wall of the limiting member is connected with the outer wall of the piston rod in a sealing mode through the sealing ring.

3. A vacuum chuck according to claim 2, wherein a spring is further disposed in the movable chamber, an upper end of the spring acts on an upper end of the movable chamber, a lower end of the spring acts on an upper end of the piston rod, the upper end of the piston rod is provided with a spring mounting groove, and a lower end of the spring is disposed in the spring mounting groove.

4. A vacuum chuck according to claim 3, wherein said piston rod is further provided at its upper end with a retainer ring, said retainer ring being retained by said retainer member in said movable chamber.

5. The vacuum adsorption device of claim 2, wherein a third vacuum chamber is formed on the sidewall of the piston rod and is connected to the movable chamber, and the third vacuum chamber is located in the movable chamber.

6. A vacuum chuck according to claim 1, wherein said vacuum chuck further comprises a nut cap, said nut cap is screwed to the upper end portion of said cylinder, the lower end portion of said cylinder is protruded in the circumferential direction to form a mounting plate, said mounting plate abuts against the lower surface of said mounting plate, the lower end of said nut cap abuts against the upper surface of said mounting plate when said vacuum chuck is mounted in the vacuum chuck mounting hole, and a gasket for sealing and cushioning is further provided between said mounting plate and said mounting plate.

7. A vacuum adsorption device as claimed in claim 1, wherein a recessed ring is circumferentially provided on the side wall of the cylinder, a second vacuum chamber is formed in the recessed ring, the vacuum connection port is provided in the second vacuum chamber, and the second vacuum chamber is communicated with the connection passage.

8. The vacuum suction device as claimed in claim 2, wherein the retaining member is made of PEEK material, and the sealing ring is made of rubber material.

9. A vacuum adsorption device as claimed in claim 1, wherein said mounting plate further comprises a vacuum port, said vacuum port is connected to one of said vacuum nozzle mounting holes, said vacuum port is provided with a vacuum connector, and said vacuum connector is adapted to be connected to a vacuum source.

10. A vacuum chuck according to claim 1, wherein a suction cup is attached to the lower end of the piston rod.