CN216680281U - Pneumatic drive assembly and vertical hollow pneumatic chuck - Google Patents
Pneumatic drive assembly and vertical hollow pneumatic chuck Download PDFInfo
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- CN216680281U CN216680281U CN202220218863.6U CN202220218863U CN216680281U CN 216680281 U CN216680281 U CN 216680281U CN 202220218863 U CN202220218863 U CN 202220218863U CN 216680281 U CN216680281 U CN 216680281U
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Abstract
The utility model relates to the technical field of machining, in particular to a pneumatic driving assembly and a vertical hollow pneumatic chuck, which comprise: the air conditioner comprises a shell, a fan and a control device, wherein one end of the shell is provided with two air inlet holes; the hollow shaft body penetrates through the shell along the length extension direction of the shell, and an accommodating space is formed between the hollow shaft body and the shell; the piston assembly is arranged in the accommodating space and is respectively attached to the outer wall of the hollow shaft body and the inner wall of the shell, the accommodating space is divided into a first space and a second space by the piston assembly, and the two air inlet holes are respectively communicated with the first space and the second space; wherein, two inlet ports ventilate respectively to the accommodation space, drive piston assembly and move in the accommodation space. According to the utility model, the piston moves in two directions in the accommodating space, the structure is simple, the damage is not easy to cause, and the clamping and the loosening of the workpiece by the clamping jaw can be realized only by converting the movement of the piston into the movement of the clamping jaw assembly.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a pneumatic driving assembly and a vertical hollow pneumatic chuck.
Background
The chuck is a mechanical device used for clamping workpieces on a machine tool, and is a machine tool core accessory for clamping and positioning the workpieces by utilizing the radial movement of movable jaws uniformly distributed on a chuck body.
The jaw driving mechanism comprises pneumatic driving and hydraulic oil driving, and the traditional pneumatic driving assembly is complex in structure, more in parts and easy to damage in the using process.
In view of the above problems, the present designer is based on the practical experience and professional knowledge that are abundant for many years in engineering application of such products, and is engaged with the application of theory to actively make research and innovation, so as to create a pneumatic driving assembly and a vertical hollow pneumatic chuck, which are more practical.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pneumatic driving assembly and a vertical hollow pneumatic chuck, thereby effectively solving the problems in the background art.
In order to achieve the purpose, the utility model adopts the technical scheme that: a pneumatic drive assembly comprising:
the air inlet structure comprises a shell, a first air inlet and a second air inlet, wherein one end of the shell is provided with two air inlets;
the hollow shaft body penetrates through the shell along the length extension direction of the shell, and an accommodating space is formed between the hollow shaft body and the shell;
the piston assembly is arranged in the accommodating space and is respectively attached to the outer wall of the hollow shaft body and the inner wall of the shell, the accommodating space is divided into a first space and a second space by the piston assembly, and the two air inlet holes are respectively communicated with the first space and the second space;
the two air inlets are respectively communicated with the accommodating space to drive the piston assembly to move in the accommodating space.
Further, the shell comprises a bottom plate and a disc body, the bottom plate is fixedly connected with the disc body, the two air inlets are formed in the bottom plate, and the first space is formed between the bottom plate and the piston assembly.
Further, the piston assembly comprises a piston ring and a piston head, the piston ring is fixedly connected with the piston head, the piston ring is of an annular structure, one end, close to the disc body, of the piston head is provided with a plurality of driving grooves, and slope faces are arranged on the driving grooves.
Furthermore, a middle cover plate is fixedly arranged at one end, close to the bottom plate, of the disc body, the middle cover plate is sleeved on the piston head, and a second space is formed between the middle cover plate and the piston ring.
Furthermore, one end of the piston head, which is close to the piston ring, is a first cylindrical section, an annular groove is correspondingly formed in the piston ring, the first cylindrical section is fixed in the annular groove, one end of the piston head, which is far away from the piston ring, is a second cylindrical section, and the plurality of driving grooves are formed in the second cylindrical section.
Further, the middle cover plate is sleeved on the first cylindrical section, and the diameter of the middle cover plate is larger than that of the second cylindrical section.
Furthermore, two parallel ends are arranged at two ends of the bottom plate, which are perpendicular to the movement direction of the piston assembly, and the two air inlets are arranged at one of the parallel ends.
Furthermore, the hollow shaft body is a dustproof end at one end close to the disc body, and the dustproof end and the disc body are at least partially staggered.
Furthermore, the hollow shaft body is provided with a dustproof plug at one end close to the disc body.
The utility model also comprises a vertical hollow pneumatic chuck which comprises the pneumatic driving assembly and the clamping jaw assembly, wherein when the piston moves, the clamping jaw assembly is driven to move along the radial direction to clamp or loosen a workpiece.
The utility model has the beneficial effects that: the clamping jaw type workpiece clamping device is provided with the shell, the hollow shaft body and the piston assembly, the shell is provided with the two air inlet holes, the accommodating space is formed between the shell and the hollow shaft body, the piston assembly divides the accommodating space into the first space and the second space, the two air inlet holes are respectively communicated with the first space and the second space, when the two air inlet holes are respectively ventilated, the piston can move in two directions in the accommodating space, the structure is simple, the damage is not easy to cause, and the clamping jaw can clamp and loosen a workpiece only by converting the movement of the piston into the movement of the clamping jaw assembly.
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 is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the pneumatic drive assembly;
FIG. 3 is a front view of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a schematic structural view of a hollow shaft body;
fig. 7 is a schematic structural view of the piston assembly.
Reference numerals: 1. a housing; 11. an air inlet; 12. a base plate; 121. a parallel end; 13. a tray body; 14. a middle cover plate; 2. a hollow shaft body; 21. a dust-proof end; 22. a dustproof plug; 3. a piston assembly; 31. a piston ring; 311. an annular groove; 32. a piston head; 321. a drive recess; 322. a first cylindrical section; 323. a second cylindrical section; 4. a first space; 5. a second space.
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.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 7: a pneumatic drive assembly comprising:
the air conditioner comprises a shell 1, wherein two air inlet holes 11 are formed in one end of the shell 1;
the hollow shaft body 2 penetrates through the shell 1 along the length extension direction of the shell 1, and an accommodating space is formed between the hollow shaft body 2 and the shell 1;
the piston assembly 3 is arranged in the accommodating space and is respectively attached to the outer wall of the hollow shaft body 2 and the inner wall of the shell 1, the accommodating space is divided into a first space 4 and a second space 5 by the piston assembly 3, and the two air inlet holes 11 are respectively communicated with the first space 4 and the second space 5;
wherein, the two air inlets 11 are respectively ventilated into the containing space to drive the piston assembly 3 to move in the containing space.
Through setting up casing 1, cavity axis body 2 and piston assembly 3, be provided with two inlet ports 11 on the casing 1, be the accommodation space between casing 1 and the cavity axis body 2, first space 4 and second space 5 are separated into with the accommodation space to piston assembly 3, two inlet ports 11 communicate with each other with first space 4 and second space 5 respectively, when ventilating to two inlet ports 11 respectively, can realize the motion of two directions of piston in the accommodation space, moreover, the steam generator is simple in structure, be difficult to cause the damage, only need turn into the motion of piston into the motion of jack catch subassembly, can realize the jack catch to the clamp of work piece with unclamp.
In this embodiment, the housing 1 includes a bottom plate 12 and a disc 13, the bottom plate 12 is fixedly connected to the disc 13, two air inlets 11 are disposed on the bottom plate 12, and a first space 4 is defined between the bottom plate 12 and the piston assembly 3.
Because this embodiment is vertical cavity pneumatic chuck, need set up to hollow structure, so through setting up cavity axis body 2, cavity axis body 2 passes casing 1, is the accommodation space between cavity axis body 2 and the casing 1, so set up casing 1 into bottom plate 12 and disk body 13, is provided with pneumatic assembly on the disk body 13, and two inlet ports 11 set up on bottom plate 12, conveniently communicate with first space 4 and second space 5.
The piston assembly 3 comprises a piston ring 31 and a piston head 32, the piston ring 31 is fixedly connected with the piston head 32, the piston ring 31 is of an annular structure, one end of the piston head 32 close to the disc body 13 is provided with a plurality of driving grooves 321, and the driving grooves 321 are provided with slope surfaces.
In order to convert the movement of the piston assembly 3 into the movement of the clamping jaws conveniently, the piston ring 31 and the piston head 32 are arranged, the piston ring 31 is of an annular structure and divides an accommodating space, the piston head 32 is provided with a driving groove 321, the driving groove 321 is provided with a slope, and when the piston ring 31 drives the piston head 32 to move, the slope and the clamping jaws are matched with each other, so that the axial movement is converted into the radial movement, and the movement of the clamping jaws is realized.
Preferably, as for the above embodiment, the disc body 13 is fixedly provided with a middle cover plate 14 at one end close to the bottom plate 12, the middle cover plate 14 is sleeved on the piston head 32, and a second space 5 is formed between the middle cover plate 14 and the piston ring 31.
Through setting up well apron 14, be second space 5 between well apron 14 and the piston ring 31, thereby seal piston ring 31, piston head 32 is because need drive the clamping jaw, can't seal, and air chuck adds man-hour to the work piece, produce the piece easily, through setting up well apron 14, set up second space 5 between piston ring 31 and well apron 14, can be better seal piston ring 31, can prevent in the piece entering accommodation space, effectually protect piston ring 31.
Preferably, the piston head 32 is a first cylindrical section 322 at an end close to the piston ring 31, the piston ring 31 is correspondingly provided with a ring groove 311, the first cylindrical section 322 is fixed in the ring groove 311, the piston head 32 is a second cylindrical section 323 at an end far from the piston ring 31, and a plurality of driving grooves 321 are arranged on the second cylindrical section 323. The middle cover plate 14 is sleeved on the first cylindrical section 322, and the diameter of the middle cover plate 14 is larger than that of the second cylindrical section 323.
Through establishing the cover plate 14 cover at first cylindrical section 322, the diameter of cover plate 14 is greater than the diameter of second cylindrical section 323 to form misplacing each other between cover plate 14 and the piston head 32, can effectually prevent dust, more conveniently seal.
Because the chuck is a vertical hollow chuck in this embodiment, two parallel ends 121 are disposed at two ends of the bottom plate 12 perpendicular to the moving direction of the piston assembly 3, two air inlets 11 are disposed at one of the parallel ends 121, and the other parallel end 121 is convenient to stand.
In the present embodiment, the hollow shaft body 2 is a dustproof end 21 at an end close to the disc body 13, and the dustproof end 21 and the disc body 13 are at least partially staggered from each other.
Because when a workpiece is machined, scraps are easy to generate, and in order to prevent the scraps from entering the end of the disc body 13 and interfering the piston head 32 and the clamping jaw assembly, the dust-proof end 21 is arranged at one end of the hollow shaft body 2 close to the disc body 13, and the dust-proof end 21 and the disc body 13 are at least partially staggered with each other, so that the scraps are prevented from entering.
In addition, a dustproof plug 22 is arranged at one end of the hollow shaft body 2 close to the disc body 13, and the dustproof plug 22 can effectively prevent debris from entering the hollow of the hollow shaft body 2.
The embodiment also comprises a vertical hollow pneumatic chuck which comprises the pneumatic driving assembly and the clamping jaw assembly, wherein when the piston moves, the clamping jaw assembly is driven to move along the radial direction to clamp or loosen a workpiece.
Through setting up casing 1, cavity axis body 2 and piston assembly 3, be provided with two inlet ports 11 on the casing 1, be the accommodation space between casing 1 and the cavity axis body 2, first space 4 and second space 5 are separated into with the accommodation space to piston assembly 3, two inlet ports 11 communicate with each other with first space 4 and second space 5 respectively, when ventilating to two inlet ports 11 respectively, can realize the motion of two directions of piston in the accommodation space, moreover, the steam generator is simple in structure, be difficult to cause the damage, only need turn into the motion of piston into the motion of jack catch subassembly, can realize the jack catch to the clamp of work piece with unclamp.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. A pneumatic drive assembly, comprising:
the air conditioner comprises a shell, a fan and a control device, wherein one end of the shell is provided with two air inlet holes;
the hollow shaft body penetrates through the shell along the length extension direction of the shell, and an accommodating space is formed between the hollow shaft body and the shell;
the piston assembly is arranged in the accommodating space and is respectively attached to the outer wall of the hollow shaft body and the inner wall of the shell, the accommodating space is divided into a first space and a second space by the piston assembly, and the two air inlet holes are respectively communicated with the first space and the second space;
the two air inlets are respectively communicated with the accommodating space to drive the piston assembly to move in the accommodating space.
2. The pneumatic drive assembly of claim 1, wherein the housing includes a base plate and a disk, the base plate and the disk being fixedly connected, the two air inlet holes being disposed in the base plate, and the first space being between the base plate and the piston assembly.
3. The pneumatic drive assembly of claim 2, wherein the piston assembly comprises a piston ring and a piston head, the piston ring and the piston head are fixedly connected, the piston ring is of an annular structure, the piston head is provided with a plurality of driving grooves at one end close to the disc body, and the driving grooves are provided with slope surfaces.
4. The pneumatic drive assembly as recited in claim 3, wherein a middle cover plate is fixedly disposed at an end of the disc body adjacent to the bottom plate, the middle cover plate is disposed over the piston head, and the second space is defined between the middle cover plate and the piston ring.
5. The pneumatic drive assembly of claim 4, wherein the piston head is a first cylindrical section at an end adjacent to the piston ring, the piston ring is correspondingly provided with an annular groove, the first cylindrical section is fixed in the annular groove, the piston head is a second cylindrical section at an end away from the piston ring, and a plurality of the drive grooves are arranged on the second cylindrical section.
6. The pneumatic drive assembly of claim 5, wherein the central cover plate fits over the first cylindrical section, the central cover plate having a diameter greater than a diameter of the second cylindrical section.
7. The pneumatic drive assembly of claim 2, wherein the base plate has two parallel ends at opposite ends perpendicular to the direction of movement of the piston assembly, and wherein the inlet ports are disposed in one of the parallel ends.
8. The pneumatic drive assembly of claim 2, wherein the hollow shaft body is a dust tip at an end proximate the disc body, the dust tip being at least partially offset from the disc body.
9. The pneumatic drive assembly of claim 8, wherein the hollow shaft body is provided with a dust plug at an end adjacent the disc body.
10. An upright air chuck according to any one of claims 1 to 9, including a pneumatic drive assembly and a jaw assembly, the piston being movable to move the jaw assembly radially to clamp or unclamp a workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220218863.6U CN216680281U (en) | 2022-01-25 | 2022-01-25 | Pneumatic drive assembly and vertical hollow pneumatic chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220218863.6U CN216680281U (en) | 2022-01-25 | 2022-01-25 | Pneumatic drive assembly and vertical hollow pneumatic chuck |
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| Publication Number | Publication Date |
|---|---|
| CN216680281U true CN216680281U (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220218863.6U Active CN216680281U (en) | 2022-01-25 | 2022-01-25 | Pneumatic drive assembly and vertical hollow pneumatic chuck |
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| CN (1) | CN216680281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117532033A (en) * | 2023-11-21 | 2024-02-09 | 北京速瑞特科技有限公司 | Self-braking centering chuck |
-
2022
- 2022-01-25 CN CN202220218863.6U patent/CN216680281U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117532033A (en) * | 2023-11-21 | 2024-02-09 | 北京速瑞特科技有限公司 | Self-braking centering chuck |
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