CN112059953A - Self-closing pressure bar device and adsorption platform - Google Patents
Self-closing pressure bar device and adsorption platform Download PDFInfo
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- CN112059953A CN112059953A CN202010881990.XA CN202010881990A CN112059953A CN 112059953 A CN112059953 A CN 112059953A CN 202010881990 A CN202010881990 A CN 202010881990A CN 112059953 A CN112059953 A CN 112059953A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/005—Vacuum work holders
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Abstract
The invention discloses a self-closing pressure lever device.A top cover is provided with a through hole and an adsorption hole, a contact comprises a main body and a lever body positioned in the through hole, the main body is provided with a sealing surface, a base is provided with an air hole, the top cover is fixedly connected with the base, an accommodating part is formed between the top cover and the base, an elastic piece and the contact are positioned in the accommodating part, the elastic piece is abutted against the contact, and the sealing surface is attached to the adsorption hole to seal the adsorption hole; the self-closing type pressure lever device can automatically sense pressure and control the opening and closing of the adsorption hole through the design, so that the position where a workpiece is pressed is realized, the workpiece is abutted against the rod body, the rod body moves downwards, the sealing surface is separated from the adsorption hole, the adsorption hole is communicated with the air hole to generate adsorption force to suck the workpiece, the elastic piece is abutted against the contact at the position where the workpiece is not pressed, the sealing surface is attached to the adsorption hole to seal the adsorption hole, and the suction force leakage is avoided.
Description
Technical Field
The invention relates to an adsorption platform, in particular to a self-closing pressure lever device.
Background
When a workpiece is smaller than the area of the adsorption platform, the adsorption platform exposed outside the workpiece can generate suction force to leak, and the adsorption effect of the workpiece is influenced. It is now common to use more powerful fans to compensate for these suction leaks, which increases power consumption. Some adsorption platforms are divided into a plurality of areas to independently control adsorption, so that the suction leakage can be reduced to a certain degree, and the operation of the method, namely the partition and the independent control of the adsorption platforms, increases the production and manufacturing cost and cannot completely stop the suction leakage. And the other places exposed outside the workpiece are covered and shielded by other paper articles, so that the operation is complicated, the efficiency is low, the automation degree is influenced, and the paper articles for covering and shielding influence the operation of normal workpieces.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the objectives of the present invention is to provide a self-closing type pressure lever device, which can automatically sense pressure and control the opening and closing of the suction hole, so as to realize the position where a workpiece is pressed, the suction hole is opened to generate suction force to suck the workpiece, and the suction hole is blocked at the position where no workpiece is pressed, thereby avoiding suction leakage.
In order to overcome the defects of the prior art, the invention also aims to provide an adsorption platform which can automatically sense pressure and control the opening and closing of an adsorption hole, so that the adsorption hole is opened to generate adsorption force to adsorb a workpiece at a position where the workpiece is pressed, and the adsorption hole at the position where the workpiece is not pressed is blocked to avoid suction leakage.
One of the purposes of the invention is realized by adopting the following technical scheme:
a self-closing pressure lever device comprises a top cover, a contact, an elastic part and a base, wherein the top cover is provided with a through hole and an adsorption hole, the contact comprises a main body and a lever body positioned in the through hole, the main body is provided with a sealing surface, the base is provided with an air hole, the top cover is fixedly connected with the base, a containing part is formed between the top cover and the base, the elastic part and the contact are positioned in the containing part, the elastic part abuts against the contact, and the sealing surface is attached to the adsorption hole to seal the adsorption hole; the rod body moves downwards under the action of external force, the sealing surface is separated from the adsorption hole, and the adsorption hole is communicated with the air hole.
Furthermore, the number of the adsorption holes is multiple, and the adsorption holes surround the through hole.
Further, the number of the adsorption holes is four.
Further, the cross section of the contact is T-shaped.
Further, the through-hole is circular, the body of rod corresponds for cylindrically.
Further, the elastic member is a spring.
Further, the main body is cylindrical, and the diameter of the main body is smaller than the inner diameter of the base.
Further, the base includes connecting portion, connecting portion are equipped with the external screw thread, the top cap is equipped with the internal thread, and the external screw thread makes with the internal thread cooperation the top cap is fixed in the base.
The second purpose of the invention is realized by adopting the following technical scheme:
an adsorption platform comprises the self-closing pressure lever device.
Compared with the prior art, can the auto-induction pressure, the switch in control absorption hole to the realization has the position that the work piece pushed down, and the work piece is contradicted the body of rod, and the body of rod moves down, and sealed face and absorption hole separation, absorption hole and gas pocket intercommunication produce the adsorption affinity and hold the work piece, and in the position that no work piece pushed down, the elastic component conflict contact, sealed face and absorption hole laminating make the absorption hole sealed, avoid suction to leak.
Drawings
FIG. 1 is a perspective view of the self-closing compression bar apparatus of the present invention;
FIG. 2 is a perspective view of a top cover of the self-closing pressure bar apparatus of FIG. 1;
FIG. 3 is a perspective view of a contact of the self-closing lever device of FIG. 1;
FIG. 4 is a perspective view of the base of the self-closing compression bar apparatus of FIG. 1.
In the figure: 10. a top cover; 11. a through hole; 12. an adsorption hole; 20. a contact; 21. a main body; 210. a sealing surface; 22. a rod body; 30. an elastic member; 40. a base; 41. a housing part; 42. air holes; 43. a connecting portion.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, secured by intervening elements. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly disposed on 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.
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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 4, a self-closing pressing rod device of the present invention includes a top cover 10, a contact 20, an elastic member 30 and a base 40.
The top cover 10 is provided with a through hole 11 and a plurality of adsorption holes 12. The through hole 11 is circular and located at the centroid of the top cover 10. The plurality of adsorption holes 12 are circular and surround the through-hole 11. In the present embodiment, the number of the adsorption holes 12 is four. The top cover 10 is a hollow structure, and the inner wall of the top cover 10 is provided with internal threads.
The contact 20 includes a body 21 and a shaft 22. The rod 22 extends from the body 21. The body 21 and the rod 22 are cylindrical. The diameter of the body 21 is larger than the diameter of the rod body 22. The side of the main body 21 facing the rod 22 is provided with a sealing surface 210, and the sealing surface 210 is a plane.
The elastic member 30 is a spring.
The shape of the base 40 corresponds to the shape of the top cover 10, and in the present embodiment, the base 40 has a cylindrical shape and a hollow structure. The side wall of the base 40 is provided with an air hole 42, and the air hole 42 is communicated with the inside of the base 40. The outer wall of base 40 is equipped with connecting portion 43 near the tip department, and connecting portion 43 is equipped with the external screw thread.
When the self-closing compression bar device is assembled, the elastic piece 30 is accommodated in the base 40, and the contact 20 is placed on the elastic piece 30. The internal threads of the top cover 10 are matched with the external threads of the base 40, so that the top cover 10 is fixed with the base 40. At this time, a receiving portion 41 is formed between the top cover 10 and the base 40, and the elastic member 30 and the contact 20 are located in the receiving portion 41. The rod 22 of the contact 20 protrudes from the through hole 11 of the cap 10, and the elastic force of the elastic member 30 causes the sealing surface 210 of the contact 20 to abut against the suction hole 12, so that the suction hole 12 is blocked.
When the self-closing pressure bar device is used, a plurality of self-closing pressure bar devices are arranged on the adsorption platform. The fan draws air to transfer suction to the suction holes 12 through the air holes 42. When no workpiece is arranged on the top cover 10, the elastic force of the elastic piece 30 is larger than the gravity and the suction force of the main body 21, and the sealing surface 210 is abutted against the adsorption hole 12 to seal the adsorption hole 12; when a workpiece is arranged on the top cover 10, the workpiece is pressed against the rod body 22, the contact 20 moves downwards, the sealing surface 210 is separated from the adsorption hole 12, and the air hole 42 is communicated with the adsorption hole 12 because the diameter of the main body 21 is smaller than the diameters of the top cover 10 and the base 40, so that the adsorption hole 12 generates suction force to suck the workpiece.
Through the design, the adsorption platform can automatically sense pressure and control the opening and closing of the adsorption hole 12, so that the position where a workpiece is pressed is realized, the workpiece abuts against the rod body 22, the rod body 22 moves downwards, the sealing surface 210 is separated from the adsorption hole 12, the adsorption hole 12 is communicated with the air hole 42, and the workpiece is adsorbed by the adsorption force; at the position where no workpiece is pressed, the elastic element 30 abuts against the contact 20, and the sealing surface 210 is attached to the adsorption hole 12 to seal the adsorption hole 12, so as to avoid the leakage of the suction force.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, variations and modifications can be made without departing from the spirit of the invention, and all equivalent modifications and changes can be made to the above embodiments according to the essential technology of the invention, which falls into the protection scope of the invention.
Claims (9)
1. The utility model provides a self-closing depression bar device which characterized in that: the self-closing pressure lever device comprises a top cover, a contact, an elastic piece and a base, wherein the top cover is provided with a through hole and an adsorption hole, the contact comprises a main body and a lever body positioned in the through hole, the main body is provided with a sealing surface, the base is provided with an air hole, the top cover is fixedly connected with the base, a containing part is formed between the top cover and the base, the elastic piece and the contact are positioned in the containing part, the elastic piece is abutted against the contact, and the sealing surface is attached to the adsorption hole to seal the adsorption hole; the rod body moves downwards under the action of external force, the sealing surface is separated from the adsorption hole, and the adsorption hole is communicated with the air hole.
2. The self-closing compression bar apparatus of claim 1, wherein: the quantity of adsorption hole is a plurality of, and is a plurality of adsorption hole encircles the through-hole.
3. The self-closing compression bar apparatus of claim 2, wherein: the number of the adsorption holes is four.
4. The self-closing compression bar apparatus of claim 1, wherein: the cross section of the contact is T-shaped.
5. The self-closing compression bar apparatus of claim 1, wherein: the through-hole is circular, the body of rod corresponds for cylindrically.
6. The self-closing compression bar apparatus of claim 1, wherein: the elastic piece is a spring.
7. The self-closing compression bar apparatus of claim 1, wherein: the main part is cylindrical, and the diameter of main part is less than the internal diameter of base.
8. The self-closing compression bar apparatus of claim 1, wherein: the base comprises a connecting portion, the connecting portion is provided with an external thread, the top cover is provided with an internal thread, and the external thread is matched with the internal thread to enable the top cover to be fixed on the base.
9. An adsorption platform, which is characterized in that: comprising a self-closing plunger device according to any of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010881990.XA CN112059953A (en) | 2020-08-27 | 2020-08-27 | Self-closing pressure bar device and adsorption platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010881990.XA CN112059953A (en) | 2020-08-27 | 2020-08-27 | Self-closing pressure bar device and adsorption platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112059953A true CN112059953A (en) | 2020-12-11 |
Family
ID=73659627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010881990.XA Pending CN112059953A (en) | 2020-08-27 | 2020-08-27 | Self-closing pressure bar device and adsorption platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112059953A (en) |
-
2020
- 2020-08-27 CN CN202010881990.XA patent/CN112059953A/en active Pending
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