CN211438165U - Double-piston pneumatic chuck - Google Patents
Double-piston pneumatic chuck Download PDFInfo
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- CN211438165U CN211438165U CN201922498598.2U CN201922498598U CN211438165U CN 211438165 U CN211438165 U CN 211438165U CN 201922498598 U CN201922498598 U CN 201922498598U CN 211438165 U CN211438165 U CN 211438165U
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Abstract
The utility model relates to a double-piston pneumatic chuck, which comprises a shell, wherein the top of the shell is movably provided with a clamping jaw; a piston cylinder is vertically arranged in the middle of the shell, and a piston is sleeved on the piston cylinder; a hollow cavity is movably sleeved in the shell, the hollow cavity is sleeved on the piston cylinder, the piston is hermetically connected with the inner wall of the hollow cavity, and an air cavity is formed between the top of the hollow cavity and the upper end surface of the piston; the top end of the piston cylinder is symmetrically provided with first lugs; the second support lugs are symmetrically arranged at the top end of the hollow cavity, the hollow cavity is driven to move upwards by injecting gas into the air cavity, the piston cylinder moves downwards, the support lugs are arranged at the top of the hollow cavity and the top of the piston cylinder and connected with the turnover plates through the connecting plates, and the two turnover plates are driven to rotate in opposite directions, so that the plurality of clamping jaws are translated and clamp workpieces, and the hollow cavity and the piston cylinder are inconsistent in movement distance, so that the workpieces with irregular sections can be clamped in multiple directions.
Description
Technical Field
The utility model relates to an air chuck specifically is a double-piston air chuck.
Background
The conventional pneumatic chuck is controlled by a cylinder to realize synchronous motion of a plurality of jaws, and because the travel distances of the motion of the jaws are consistent, the conventional pneumatic chuck is only suitable for clamping rod bodies with square or circular cross sections;
in conclusion, how to clamp a workpiece with an irregular cross section in multiple directions becomes a problem which needs to be solved urgently by researchers of the company.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: how to realize multi-directional clamping of a workpiece with an irregular cross section;
in order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model relates to a double-piston pneumatic chuck, which comprises a shell, wherein the top of the shell is movably provided with a jaw, and the jaw comprises a first jaw and a second jaw; a piston cylinder is vertically arranged in the middle of the shell, and a piston is sleeved on the piston cylinder; a hollow cavity is movably sleeved in the shell, the hollow cavity is sleeved on the piston cylinder, the piston is hermetically connected with the inner wall of the hollow cavity, and an air cavity is formed between the top of the hollow cavity and the upper end surface of the piston; the piston cylinder is a cylinder body with a downward opening, and first support lugs are symmetrically arranged at the top end of the piston cylinder; second support lugs are symmetrically arranged at the top end of the hollow cavity, and the connecting line of the two first support lugs and the two second support lugs is vertical to each other in a non-coplanar manner; a first connecting plate is hinged to the first support lug, the other end of the first connecting plate is hinged to the first L-shaped turnover plate, a waist hole is formed in the other end of the first L-shaped turnover plate, and the first fixing piece penetrates through the waist hole and is connected with the first clamping jaw; a second connecting plate is hinged to the second support lug, the other end of the second connecting plate is hinged to a second L-shaped turnover plate, a waist hole is formed in the other end of the second L-shaped turnover plate, and a second fixing piece penetrates through the waist hole and is connected with a second clamping jaw; the second L-shaped turnover plate and the first L-shaped turnover plate are consistent in structure and are arranged in a circumferential array, and the rotation directions of the second L-shaped turnover plate and the first L-shaped turnover plate are opposite;
injecting gas into the air cavity to enable the hollow cavity to move upwards and the piston cylinder to move downwards, so that the hollow cavity and the piston cylinder move back to back, a first support lug is fixed on the piston cylinder and is hinged with a first L-shaped turnover plate through a first connecting plate, and the other end of the first L-shaped turnover plate is provided with a waist hole and is connected with a first clamping jaw;
when the piston cylinder moves downwards, the first connecting plate pulls the first L-shaped turnover plate to rotate clockwise, and the first clamping jaw is clamped close to the vertical axis of the shell;
similarly, when the piston cylinder moves upwards, the second connecting plate is L-shaped, and one end of the second L-shaped turnover plate is lifted upwards, so that the second L-shaped turnover plate rotates anticlockwise, and the second clamping jaw is clamped close to the vertical axis of the shell;
due to the waist holes, the rotation of the L-shaped turnover plate can be converted into the translational motion of the jaws.
The utility model has the advantages that: the utility model relates to a double-piston air chuck, through injecting the gas into the air cavity, cavity goes upward in the drive, a piston section of thick bamboo is down, well cavity, piston cylinder top all is provided with the journal stirrup, the journal stirrup is connected with the returning face plate through the connecting plate, and drive two returning face plates and rotate opposite direction, make with a plurality of jack catch translations and press from both sides tight work piece, when one of them a pair of jack catch presss from both sides tight work piece, well cavity or piston section of thick bamboo can't continue to move, inject the gas into the air cavity this moment in to the air cavity, drive piston section of thick bamboo or well cavity displacement, because well cavity is inconsistent with piston section of thick bamboo displacement, consequently, can realize pressing from both.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: the device comprises a shell 1, a first jaw 2, a second jaw 3, a piston cylinder 4, a piston 5, a hollow cavity 6, an air cavity 7, a first lug 8, a second lug 9, a first connecting plate 10, a first L-shaped turnover 11, a waist hole 12, a first fixing piece 13, a second connecting plate 14, a second L-shaped turnover plate 15 and a second fixing piece 16.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1, the utility model relates to a double-piston air chuck, which comprises a shell 1, wherein the top of the shell 1 is movably provided with a jaw, and the jaw comprises a first jaw 2 and a second jaw 3; a piston cylinder 4 is vertically arranged in the middle of the shell 1, and a piston 5 is sleeved on the piston cylinder 4; a hollow cavity 6 is movably sleeved in the shell 1, the hollow cavity 6 is sleeved on the piston cylinder 4, the piston 5 is hermetically connected with the inner wall of the hollow cavity 6, and an air cavity 7 is formed at the top of the hollow cavity 6 and the upper end surface of the piston 5; the piston cylinder 4 is a cylinder body with a downward opening, and the top end of the piston cylinder 4 is symmetrically provided with first lugs 8; the top end of the hollow cavity 6 is symmetrically provided with second support lugs 9, and the connecting lines of the two first support lugs 8 and the two second support lugs 9 are arranged in a non-coplanar vertical manner; a first connecting plate 10 is hinged on the first support lug 8, the other end of the first connecting plate 10 is hinged with a first L-shaped turnover plate 11, a waist hole 12 is formed in the other end of the first L-shaped turnover plate 11, and a first fixing piece 13 penetrates through the waist hole 12 and is connected with the first clamping jaw 2; a second connecting plate 14 is hinged on the second support lug 9, the other end of the second connecting plate 14 is hinged with a second L-shaped turnover plate 15, a waist hole is formed in the other end of the second L-shaped turnover plate 15, and a second fixing piece 16 penetrates through the waist hole 12 and is connected with the second clamping jaw 3; the second L-shaped turnover plate 15 and the first L-shaped turnover plate 11 are consistent in structure and are arranged in a circumferential array, and the rotation directions of the second L-shaped turnover plate 15 and the first L-shaped turnover plate 11 are opposite;
injecting gas into the air cavity to enable the hollow cavity to move upwards and the piston cylinder to move downwards, so that the hollow cavity and the piston cylinder move back to back, a first support lug is fixed on the piston cylinder and is hinged with a first L-shaped turnover plate through a first connecting plate, and the other end of the first L-shaped turnover plate is provided with a waist hole and is connected with a first clamping jaw;
when the piston cylinder moves downwards, the first connecting plate pulls the first L-shaped turnover plate to rotate clockwise, and the first clamping jaw is clamped close to the vertical axis of the shell;
similarly, when the piston cylinder moves upwards, the second connecting plate is L-shaped, and one end of the second L-shaped turnover plate is lifted upwards, so that the second L-shaped turnover plate rotates anticlockwise, and the second clamping jaw is clamped close to the vertical axis of the shell;
due to the waist holes, the rotation of the L-shaped turnover plate can be converted into the translational motion of the jaws.
The utility model relates to a double-piston air chuck, through injecting the gas into the air cavity, cavity goes upward in the drive, a piston section of thick bamboo is down, well cavity, piston cylinder top all is provided with the journal stirrup, the journal stirrup is connected with the returning face plate through the connecting plate, and drive two returning face plates and rotate opposite direction, make with a plurality of jack catch translations and press from both sides tight work piece, when one of them a pair of jack catch presss from both sides tight work piece, well cavity or piston section of thick bamboo can't continue to move, inject the gas into the air cavity this moment in to the air cavity, drive piston section of thick bamboo or well cavity displacement, because well cavity is inconsistent with piston section of thick bamboo displacement, consequently, can realize pressing from both.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (1)
1. A double-piston air chuck is characterized in that: the clamping jaw type clamping device comprises a shell, wherein clamping jaws are movably arranged at the top of the shell, and each clamping jaw comprises a first clamping jaw and a second clamping jaw;
a piston cylinder is vertically arranged in the middle of the shell, and a piston is sleeved on the piston cylinder;
a hollow cavity is movably sleeved in the shell, the hollow cavity is sleeved on the piston cylinder, the piston is hermetically connected with the inner wall of the hollow cavity, and an air cavity is formed between the top of the hollow cavity and the upper end face of the piston;
the piston cylinder is a cylinder body with a downward opening, and the top end of the piston cylinder is symmetrically provided with first lugs;
second support lugs are symmetrically arranged at the top end of the hollow cavity, and the connecting line of the two first support lugs and the two second support lugs is in a non-coplanar vertical arrangement;
a first connecting plate is hinged to the first support lug, the other end of the first connecting plate is hinged to a first L-shaped turnover plate, a waist hole is formed in the other end of the first L-shaped turnover plate, and a first fixing piece penetrates through the waist hole and is connected with the first clamping jaw;
a second connecting plate is hinged to the second support lug, the other end of the second connecting plate is hinged to a second L-shaped turnover plate, a waist hole is formed in the other end of the second L-shaped turnover plate, and a second fixing piece penetrates through the waist hole and is connected with the second clamping jaw;
the second L-shaped turnover plate and the first L-shaped turnover plate are consistent in structure and are arranged in a circumferential array, and the turning directions of the second L-shaped turnover plate and the first L-shaped turnover plate are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498598.2U CN211438165U (en) | 2019-12-31 | 2019-12-31 | Double-piston pneumatic chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498598.2U CN211438165U (en) | 2019-12-31 | 2019-12-31 | Double-piston pneumatic chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211438165U true CN211438165U (en) | 2020-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922498598.2U Active CN211438165U (en) | 2019-12-31 | 2019-12-31 | Double-piston pneumatic chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211438165U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649610A (en) * | 2021-08-19 | 2021-11-16 | 常州市力源恒机械有限公司 | Pneumatic chuck |
| CN113649609A (en) * | 2021-08-19 | 2021-11-16 | 常州市力源恒机械有限公司 | Novel double-piston pneumatic chuck |
| CN113953757A (en) * | 2021-12-22 | 2022-01-21 | 倍得福机械科技(常州)股份有限公司 | Pneumatic rear chuck for laser cutting machine |
-
2019
- 2019-12-31 CN CN201922498598.2U patent/CN211438165U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649610A (en) * | 2021-08-19 | 2021-11-16 | 常州市力源恒机械有限公司 | Pneumatic chuck |
| CN113649609A (en) * | 2021-08-19 | 2021-11-16 | 常州市力源恒机械有限公司 | Novel double-piston pneumatic chuck |
| CN113953757A (en) * | 2021-12-22 | 2022-01-21 | 倍得福机械科技(常州)股份有限公司 | Pneumatic rear chuck for laser cutting machine |
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