CN215036827U - Pneumatic indexing precision clamping seat - Google Patents
Pneumatic indexing precision clamping seat Download PDFInfo
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- CN215036827U CN215036827U CN202121181762.8U CN202121181762U CN215036827U CN 215036827 U CN215036827 U CN 215036827U CN 202121181762 U CN202121181762 U CN 202121181762U CN 215036827 U CN215036827 U CN 215036827U
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- collet
- chuck
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- tube
- collet chuck
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Abstract
A pneumatic indexing precision clamp holder comprises a pneumatic clamp holder, a pneumatic clamp holder hoop, a piston, a collet chuck fixing tube and a collet chuck fixing sleeve, wherein the collet chuck fixing tube is rotatably sleeved in a tube cavity of the pneumatic clamp holder hoop, the collet chuck fixing tube is connected with the pneumatic clamp holder hoop through a plurality of bearings, the collet chuck fixing sleeve is inserted in the tube cavity of the collet chuck fixing tube and is movably arranged relative to the collet chuck fixing tube, one end of the collet chuck fixing sleeve is fixedly connected with a piston end cover, and the other end of the collet chuck fixing sleeve is connected with a collet chuck matched with the tube cavity of the collet chuck fixing tube; when the piston moves, the collet chuck is driven to move by the collet chuck fixing sleeve, so that the collet chuck is pulled into the collet chuck fixing pipe or pushed out of the collet chuck fixing pipe; when the collet chuck is pulled into the collet chuck fixing tube, the collet chuck is compressed and contracted by the tube cavity of the collet chuck fixing tube; when the collet is pushed out of the collet holding tube, the collet is elastically expanded. The utility model discloses improve the machining precision greatly than traditional holder, need not dismantle alright realize adjusting the clamping-force degree of collet chuck, saved a large amount of time.
Description
Technical Field
The utility model relates to a frock clamp design field, concretely relates to accurate holder of pneumatic graduation.
Background
The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig. In a broad sense, a device for quickly, conveniently and safely mounting a workpiece at any step in a process.
The clamp usually adopts the pneumatic holder to realize the clamping to the work piece, at present, the pneumatic holder on the market generally adopts the cast iron die casting to make appearance at first, reprocess the shaping, the clamp precision and life cycle that this processing mode prepares are lower; moreover, the overall structure is complicated, the use is inconvenient, if the tightness of the collet chuck needs to be adjusted, the clamping seat needs to be detached for corresponding adjustment, and therefore the collet chuck has great limitation.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model provides a pneumatic accurate holder of graduation to solve prior art's anchor clamps overall structure complicacy, be not convenient for use, if the collet chuck elasticity needs to be adjusted, then need dismantle the technical problem that the holder could carry out corresponding regulation.
In order to achieve the above object, the utility model provides a pneumatic indexing precision clamp holder, which comprises a pneumatic clamp holder, a pneumatic clamp holder hoop, a piston, a collet chuck fixing tube and a collet chuck fixing sleeve, wherein the pneumatic clamp holder hoop, the collet chuck fixing tube and the collet chuck fixing sleeve are all tubular structures;
the pneumatic clamping seat is provided with an accommodating cavity, a first opening and a second opening, wherein the first opening and the second opening are oppositely arranged at two ends of the accommodating cavity;
the piston is sleeved on the outer wall of the pneumatic clamping seat hoop and can slide along the pneumatic clamping seat hoop, the plug head part of the piston is positioned in the accommodating cavity and is larger than the second opening in size, the plug body part of the piston extends out of the accommodating cavity from the second opening and is connected with a piston end cover outside the accommodating cavity, the outer wall of the plug body part is in sealing fit with the inner wall of the second opening, and the pneumatic clamping seat is provided with an air inlet and an air outlet which are communicated with the accommodating cavity and are respectively arranged on two sides of the plug head part;
the collet fixing tube is rotatably sleeved in a tube cavity of the pneumatic collet holder hoop, the collet fixing tube is connected with the pneumatic collet holder hoop through a plurality of bearings, the collet fixing sleeve is sleeved in the tube cavity of the collet fixing tube and is movably arranged relative to the collet fixing tube, one end of the collet fixing sleeve is fixedly connected with the piston end cover, and the other end of the collet fixing sleeve is used for connecting a collet matched with the tube cavity of the collet fixing tube;
when the piston moves, the collet is driven to move by the collet fixing sleeve, so that the collet is pulled into the collet fixing pipe or pushed out of the collet fixing pipe; when the collet chuck is pulled into the collet chuck fixing tube, the collet chuck is compressed and contracted by the tube cavity of the collet chuck fixing tube, so that a product is clamped; when the collet is pushed out of the collet holding tube, the collet is elastically expanded, thereby loosening the product.
As a further preferred technical scheme of the utility model, the one end of pneumatic clamp hoop is equipped with the flange, pneumatic clamp hoop through this flange with pneumatic clamp fixed connection, the centre bore of flange with the butt joint of second opening intercommunication.
As a further preferred technical scheme of the utility model, the outer wall of pneumatic holder is equipped with the shroud the second open-ended dust ring, the collet chuck is fixed the pipe and is followed the central hole of dust ring is worn out.
As the utility model discloses a further preferred technical scheme, the one end of the fixed pipe of collet chuck is in through the card rank crimping of step form the dustproof circle, the other end is followed the lumen of pneumatic clamp seat hoop is worn out the back and is connected with the fixed union nut of collet chuck through screw-thread fit, the fixed union nut of collet chuck with the terminal surface looks butt of pneumatic clamp seat hoop, thereby will the fixed pipe of collet chuck is relative pneumatic clamp seat hoop is fixed.
As a further preferred technical scheme of the utility model, the both ends of the fixed pipe of collet chuck are respectively rotationally established through two bearings in the lumen of pneumatic clamp hoop.
As a further preferred technical scheme of the utility model, collet chuck fixed sleeving connects the one end of piston end cover is connected with collet chuck fixed sleeving nut through screw-thread fit, collet chuck fixed sleeving passes the piston end cover passes through collet chuck fixed sleeving nut with piston end cover locking connection.
As a further preferred technical scheme of the utility model, the piston end cover with stopper body part passes through screw-thread fit and connects, the size of piston end cover is greater than the second opening.
As a further preferred technical scheme of the utility model, pneumatic holder includes pneumatic holder main part and solid fixed ring, pneumatic holder main part with gu fixed ring links to each other, the holding chamber by pneumatic holder main part with gu fixed ring encloses to close and forms, first opening is located in the pneumatic holder main part, the second opening is located gu fixed ring is last.
As a further preferred technical scheme of the utility model, pneumatic holder is the aluminum alloy material.
The utility model discloses an accurate holder of pneumatic graduation, through adopting above-mentioned technical scheme, can reach following beneficial effect:
1) the pneumatic clamp seat hoop, the piston, the collet chuck fixing pipe and the collet chuck fixing sleeve of the utility model are coaxially sleeved, so that the pneumatic clamp seat hoop, the piston, the collet chuck fixing pipe and the collet chuck fixing sleeve are high in precision, flexible in movement and long in service life;
2) the pneumatic indexing precision clamping seat of the utility model has simple structure and convenient assembly;
3) the utility model discloses improve the machining precision greatly than traditional holder, need not dismantle alright adjust with the centre gripping dynamics that realizes the collet chuck to a large amount of time has been saved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of an example provided by the pneumatic indexing precision clamping base of the present invention;
FIG. 2 is an exploded view of an embodiment of the pneumatically indexed precision chuck of the present invention;
fig. 3 is a cross-sectional view of an example of the pneumatically indexed precision cartridge of the present invention.
In the figure: 01. the pneumatic collet chuck device comprises a dust ring 02, a collet chuck fixing tube 03, a pneumatic collet chuck main body 04, a pneumatic collet chuck hoop 05, a piston 06, a collet chuck fixing sleeve 07, a fixing ring 08, a collet chuck fixing tube nut 09, a piston end cover 10, a collet chuck fixing sleeve nut 11, an air inlet 12, an air outlet 13 and a collet chuck.
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description. In the preferred embodiments, the terms "upper", "lower", "left", "right", "middle" and "a" are used for the sake of clarity only, and are not intended to limit the scope of the invention, its relative relationship between the terms and their derivatives, and the scope of the invention should be understood as being limited by the claims.
As shown in fig. 1 to 3, the present invention provides a pneumatic indexing precision chuck, which comprises a pneumatic chuck, a pneumatic chuck hoop 04, a piston 05, a collet fastening tube 02 and a collet fastening sleeve 06, wherein the pneumatic chuck hoop 04, the collet fastening tube 02 and the collet fastening sleeve 06 are all tubular structures;
the pneumatic clamping seat is provided with an accommodating cavity, a first opening and a second opening, wherein the first opening and the second opening are oppositely arranged at two ends of the accommodating cavity, the pneumatic clamping seat hoop 04 is fixedly arranged in the accommodating cavity, one end of the pneumatic clamping seat hoop 04 is in butt joint connection with the first opening, and the other end of the pneumatic clamping seat hoop faces the second opening;
the piston 05 is sleeved on the outer wall of the pneumatic clamp seat hoop 04 and can slide along the pneumatic clamp seat hoop 04, the plug head part of the piston 05 is positioned in the accommodating cavity and is larger than the second opening in size, the plug body part of the piston 05 extends out of the accommodating cavity from the second opening and is connected with a piston end cover 09 outside the accommodating cavity, the outer wall of the plug body part is in sealing fit with the inner wall of the second opening, and the pneumatic clamp seat is provided with an air inlet 11 and an air outlet 12 which are communicated with the accommodating cavity and are respectively arranged on two sides of the plug head part, wherein when the air inlet 11 is filled with air flow, the air pressure of the air flow can push the piston 05 to move towards one side on the pneumatic clamp seat hoop 04, and when the air outlet 12 is filled with the air flow, the air pressure of the air flow pushes the piston 05 to move towards the other side on the pneumatic clamp seat hoop 04;
the collet fixing tube 02 is rotatably sleeved in the tube cavity of the pneumatic clamp base hoop 04, and the collet fixing tube 02 is connected with the pneumatic clamp base hoop 04 through a plurality of bearings, so that the collet fixing tube 02 can rotate in the pneumatic clamp base hoop 04 to realize an indexing function, and the indexing function is realized by rotating the collet fixing tube 02 through external force; the collet fixing sleeve 06 is sleeved in the tube cavity of the collet fixing tube 02 and is movably arranged relative to the collet fixing tube 02, one end of the collet fixing sleeve 06 is fixedly connected with the piston end cap 09, and the other end of the collet fixing sleeve is used for connecting a collet 13 matched with the tube cavity of the collet fixing tube 02, preferably, the collet 13 is made of elastic material;
when the piston 05 moves, the collet 13 is driven to move through the collet fixing sleeve 06, so that the collet 13 is pulled into the collet fixing tube 02 or pushed out of the collet fixing tube 02; when the collet 13 is pulled into the collet fixing tube 02, the collet 13 is compressed and contracted by the tube cavity of the collet fixing tube 02, so that a product is clamped; when the collet 13 is pushed out from the collet holding tube 02, the collet 13 elastically expands, thereby releasing the product.
In one specific implementation, one end of the pneumatic clamping seat hoop 04 is provided with a flange, the pneumatic clamping seat hoop 04 is fixedly connected with the pneumatic clamping seat through the flange, and a central hole of the flange is in butt joint communication with the second opening. The outer wall of the pneumatic clamping seat is provided with a dust ring 01 for covering the second opening, and the collet fixing tube 02 penetrates out of a central hole of the dust ring 01.
In another specific implementation, one end of the collet fixing tube 02 is pressed against the dust ring 01 by a step-shaped clamping step, and the other end of the collet fixing tube 02 penetrates out of the tube cavity of the pneumatic clamp base hoop 04 and is connected with a collet fixing tube nut 08 in a threaded fit manner, and the collet fixing tube nut 08 abuts against the end surface of the pneumatic clamp base hoop 04, so that the collet fixing tube 02 is fixed relative to the pneumatic clamp base hoop 04.
Preferably, the two ends of the collet fixing tube 02 are rotatably sleeved in the tube cavity of the pneumatic collet collar 04 through two bearings, so that the concentricity of assembly is improved, namely the precision is improved.
In yet another embodiment, the end of the collet chuck fixing sleeve 06 connected to the piston end cap 09 is connected to a collet chuck fixing sleeve nut 10 by screw fit, and the collet chuck fixing sleeve 06 penetrates through the piston end cap 09 and is locked with the piston end cap 09 by the collet chuck fixing sleeve nut 10.
The piston end cover 09 is connected with the plug body part in a threaded fit mode, the size of the piston end cover 09 is larger than that of the second opening, the piston end cover 09 with the larger size is arranged, and when the piston 05 retracts, the piston 05 cannot be integrally pulled into the accommodating cavity, so that the protection effect is achieved.
Specifically, the pneumatic clamping seat is made of aluminum alloy materials, is convenient to machine and form, and is low in cost and high in precision. Pneumatic holder includes pneumatic holder main part 03 and solid fixed ring 07, pneumatic holder main part 03 with gu fixed ring 07 links to each other, the holding chamber by pneumatic holder main part 03 with gu fixed ring 07 encloses to close and forms, first opening is located on the pneumatic holder main part 03, the second opening is located gu fixed ring 07 is last, two parts are constituteed, the assembly of being convenient for.
The pneumatic indexing precision clamp seat of the utility model is coaxially sleeved with the pneumatic clamp seat hoop 04, the piston 05, the collet chuck fixing tube 02 and the collet chuck fixing sleeve 06, and has high precision, flexible movement and long service life; the structure is simple, and the assembly is convenient; moreover, the clamping force of the collet 13 can be adjusted without disassembly, thereby saving a great deal of time.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.
Claims (9)
1. The pneumatic indexing precision clamp holder is characterized by comprising a pneumatic clamp holder, a pneumatic clamp holder hoop, a piston, a collet chuck fixing tube and a collet chuck fixing sleeve, wherein the pneumatic clamp holder hoop, the collet chuck fixing tube and the collet chuck fixing sleeve are all tubular structures;
the pneumatic clamping seat is provided with an accommodating cavity, a first opening and a second opening, wherein the first opening and the second opening are oppositely arranged at two ends of the accommodating cavity;
the piston is sleeved on the outer wall of the pneumatic clamping seat hoop and can slide along the pneumatic clamping seat hoop, the plug head part of the piston is positioned in the accommodating cavity and is larger than the second opening in size, the plug body part of the piston extends out of the accommodating cavity from the second opening and is connected with a piston end cover outside the accommodating cavity, the outer wall of the plug body part is in sealing fit with the inner wall of the second opening, and the pneumatic clamping seat is provided with an air inlet and an air outlet which are communicated with the accommodating cavity and are respectively arranged on two sides of the plug head part;
the collet fixing tube is rotatably sleeved in a tube cavity of the pneumatic collet holder hoop, the collet fixing tube is connected with the pneumatic collet holder hoop through a plurality of bearings, the collet fixing sleeve is sleeved in the tube cavity of the collet fixing tube and is movably arranged relative to the collet fixing tube, one end of the collet fixing sleeve is fixedly connected with the piston end cover, and the other end of the collet fixing sleeve is used for connecting a collet matched with the tube cavity of the collet fixing tube;
when the piston moves, the collet is driven to move by the collet fixing sleeve, so that the collet is pulled into the collet fixing pipe or pushed out of the collet fixing pipe; when the collet chuck is pulled into the collet chuck fixing tube, the collet chuck is compressed and contracted by the tube cavity of the collet chuck fixing tube, so that a product is clamped; when the collet is pushed out of the collet holding tube, the collet is elastically expanded, thereby loosening the product.
2. The pneumatically indexed precision chuck according to claim 1, wherein a flange is provided at one end of the pneumatic chuck band, the pneumatic chuck band is fixedly connected to the pneumatic chuck through the flange, and the central hole of the flange is in abutting communication with the second opening.
3. The pneumatically indexed precision chuck according to claim 1, wherein an outer wall of said pneumatic chuck is provided with a dust ring covering said second opening, said collet retainer tube passing through a central hole of said dust ring.
4. The pneumatically indexed precision chuck according to claim 3, wherein one end of the collet chuck fixing tube is pressed against the dust ring by a step-shaped clamping step, and the other end of the collet chuck fixing tube is connected with a collet chuck fixing tube nut by screw fit after penetrating out of the tube cavity of the pneumatic chuck hoop, and the collet chuck fixing tube nut abuts against the end surface of the pneumatic chuck hoop so as to fix the collet chuck fixing tube relative to the pneumatic chuck hoop.
5. The pneumatically indexed precision chuck according to claim 1, wherein the collet fixture tube has two ends that are rotatably received in the lumen of the pneumatic chuck collar through two bearings.
6. The pneumatically indexed precision chuck according to claim 1, wherein the end of the collet chuck sleeve coupled to the piston head is threadably engaged with a collet chuck sleeve nut, the collet chuck sleeve passing through the piston head and lockingly coupled to the piston head by the collet chuck sleeve nut.
7. The pneumatically indexed precision cartridge of claim 1, wherein said piston end cap is threadably engaged with said body portion, said piston end cap being sized larger than said second opening.
8. The pneumatically indexed precision chuck according to any one of claims 1 to 7, wherein the pneumatic chuck comprises a pneumatic chuck body and a fixing ring, the pneumatic chuck body is connected to the fixing ring, the receiving cavity is defined by the pneumatic chuck body and the fixing ring, the first opening is located on the pneumatic chuck body, and the second opening is located on the fixing ring.
9. The pneumatically indexed precision chuck according to claim 8, wherein said pneumatic chuck is made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121181762.8U CN215036827U (en) | 2021-05-28 | 2021-05-28 | Pneumatic indexing precision clamping seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121181762.8U CN215036827U (en) | 2021-05-28 | 2021-05-28 | Pneumatic indexing precision clamping seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215036827U true CN215036827U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121181762.8U Active CN215036827U (en) | 2021-05-28 | 2021-05-28 | Pneumatic indexing precision clamping seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215036827U (en) |
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2021
- 2021-05-28 CN CN202121181762.8U patent/CN215036827U/en active Active
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