CN210523849U - Air distribution device of pneumatic chuck - Google Patents
Air distribution device of pneumatic chuck Download PDFInfo
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- CN210523849U CN210523849U CN201921526650.4U CN201921526650U CN210523849U CN 210523849 U CN210523849 U CN 210523849U CN 201921526650 U CN201921526650 U CN 201921526650U CN 210523849 U CN210523849 U CN 210523849U
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Abstract
The utility model discloses a distribution device of pneumatic chuck. This scheme is including fixed gas distribution dish and rotatory gas distribution dish, be equipped with a plurality of air inlet groups on the periphery of fixed gas distribution dish, through setting up a plurality of air inlet groups, and at the first gas distribution chamber of fixed gas distribution dish, the extension air flue is seted up to the second gas distribution intracavity, the realization is admitted air fast in first gas distribution chamber or the second gas distribution intracavity, realize quick sealing, form the pressure differential in the sealing washer both sides, make the sealing washer to deviating from one side inflation of extension air flue, thereby the seam that expanded sealing washer will cooperate bellying and rotatory cooperation groove to be connected is sealed, improve sealed stability and reliability.
Description
Technical Field
The utility model relates to an air chuck field, concretely relates to air chuck's distributing device.
Background
Air chucks are common clamping tools used in machining processes.
The structure of the pneumatic chuck generally comprises a chuck body, a jaw and a pneumatic driving part for driving the jaw to move, wherein the jaw is movably arranged on the chuck body, and the pneumatic driving part arranged on the chuck body drives the jaw to move or rotate at a certain angle so as to clamp and loosen the jaw.
In the prior art, clamping can be realized only by continuously supplying gas to the clamping jaws in the rotating process, so that gas needs to be supplied to the rotating chuck.
The utility model discloses a chinese utility model patent that publication number is CN 203343464U discloses a pneumatic chuck holder of sealed air flue structure in area, and it includes the shell and rotatably supports the rotator in the shell, is provided with at least one sealed air flue structure between shell and the rotator, should seal the air flue structure and include the sealing strip, set up the shell air flue on the shell and set up the rotator air flue on the rotator, the sealing strip centre gripping between shell and rotator to it has the gas pocket to open on the sealing strip, shell air flue, gas pocket and rotator air flue be linked together in proper order.
The utility model discloses a through the pairing rotation body along radially carrying out the air feed to realize preventing through the sealing strip that sets up between shell and rotator that the air supply from taking place the gas leakage phenomenon when admitting air or giving vent to anger, thereby improve the utilization ratio of air supply.
However, in the air chuck holder with the structure of sealing the air passage, the rotating body rotates by virtue of the bearing, after the air chuck holder is used for a period of time, the bearing is abraded, and the air leakage phenomenon is likely to occur even if the rotating body and the shell are sealed by virtue of the elastic deformation of the sealing strip, so that the use reliability and stability of the air chuck are to be improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a gas distribution device of pneumatic chuck, it includes fixed gas distribution dish and rotatory gas distribution dish, through set up a plurality of air inlet groups on fixed gas distribution dish, and through the extension air flue of seting up, realize from a plurality of directions to the quick air admission in the first gas distribution chamber in the fixed gas distribution dish or the second gas distribution chamber, the gas that gets into in the first gas distribution chamber second gas distribution chamber will set up the sealing washer inflation in it and make its elastic deformation take place, thereby sealed rotatory gas distribution dish and the connection gap of fixed gas distribution dish, the intercommunicating pore on the rethread sealing washer realizes the air feed of fixed gas distribution dish to rotatory gas distribution dish, this gas distribution device of pneumatic chuck has the advantages of admitting air and sealed rapidly, sealed stability is high.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
a gas distribution device of a pneumatic chuck comprises a fixed gas distribution disc and a rotary gas distribution disc, wherein the rotary gas distribution disc and the pneumatic chuck synchronously rotate, a plurality of gas inlet groups are arranged on the circumferential surface of the fixed gas distribution disc, each gas inlet group comprises a first gas inlet and a second gas inlet, a plurality of first gas distribution cavities and a plurality of second gas distribution cavities are formed in the fixed gas distribution disc, the plurality of first gas distribution cavities are positioned on the same virtual distribution circle, the plurality of second gas distribution cavities are positioned on the other virtual distribution circle, the diameters of the two distribution circles are different and are concentrically arranged with the fixed gas distribution disc, and the first gas distribution cavities and the second gas distribution cavities are respectively communicated with the first gas inlets and the second gas inlets; the surfaces of the first air distribution cavity and the second air distribution cavity along the width direction of the fixed air distribution disc are provided with at least one expansion air passage; two circular sealing installation grooves are formed in the fixed air distribution disc, one sealing installation groove is communicated with all the first air distribution cavities, and the other sealing installation groove is communicated with all the second air distribution cavities; a sealing ring is arranged in each sealing installation groove, and two rotary matching grooves which are respectively communicated with the two sealing installation grooves are arranged on the fixed gas distribution plate; the rotary air distribution disc is provided with two matching convex parts which are respectively in running fit with the two rotary matching grooves, and the sealing ring is positioned between the matching convex parts and the extended air passage; the two matching convex parts are respectively provided with a vent groove, the rotary air distribution disc is provided with two air outlets, and the two air outlets are respectively communicated with the two vent grooves; a communicating hole is formed in the sealing ring and is communicated with the vent groove and the expansion air passage; the aperture of the communication hole is smaller than the apertures of the first and second gas inlets.
Through the arrangement, all the first air inlets or all the second air inlets in the plurality of air inlet groups can simultaneously ventilate a plurality of first ventilation cavities or second ventilation cavities which are positioned on different distribution circles, and the expansion air passages arranged in the first air distribution cavity and the second air distribution cavity can diffuse the air entering the first air distribution cavity and the air entering the second air distribution cavity, so that the quick air inlet in the first air distribution cavity or the second air distribution cavity is realized, the air in the first air distribution cavity or the second air distribution cavity continuously enters the air, and the aperture of the first air inlet and the aperture of the second air inlet are larger than that of the communication hole, so that the continuous air pressure of one side of the first air distribution cavity or the second air distribution cavity, which is positioned at the expansion air passage, is continuously increased, so that the pressure difference is formed between the two sides of the sealing ring, the sealing ring expands towards the side which is deviated from the expansion air passage, and the expanded sealing ring seals the gap between the matching, the stability and the reliability of sealing are improved, after the sealing ring seals a connecting gap between the rotary gas distribution plate and the fixed gas distribution plate, gas enters the vent groove from the first vent cavity or the second vent cavity through the communicating hole in the sealing ring, and is discharged from the gas outlet of the rotary gas distribution plate, so that gas is provided for the action of the pneumatic chuck.
Preferably, a space is maintained between the seal ring and the mating protrusion.
Through setting up like this, under the normality, because of the thickness of sealing washer is less than running clearance and sealing washer and cooperation bellying keep the interval to the sealing washer can break away from with rotatory gas distribution dish, reduces the wearing and tearing to the sealing washer, prolongs the life of sealing washer.
Preferably, the first air distribution chambers are communicated with each other to form a circular first air inlet, and the second air distribution chambers are communicated with each other to form a circular second air inlet.
Through the arrangement, the first air distribution cavities are communicated with each other to form a circular first air inlet channel, and the second air distribution cavities are communicated with each other to form a circular second air outlet channel, so that the processing and the production are facilitated.
Preferably, the fixed air distribution plate is provided with a first air inlet process hole and a second air inlet process hole along the radial direction, and is provided with a first horizontal connecting hole and a second horizontal connecting hole along the axial direction, two sides of the first horizontal connecting hole are respectively communicated with the first air inlet process hole and the first air inlet channel, and the first air inlet process hole is communicated with the first air inlet hole; and two sides of the second horizontal connecting hole are respectively communicated with the second air inlet process hole and the second air inlet channel, and the second air inlet process hole is communicated with the second air inlet hole.
Through setting up like this, can admit air alone to first intake duct and second intake duct, avoid producing the interference.
Preferably, the first air distribution chambers are independent from each other and are uniformly distributed around the distribution circle, and the second air distribution chambers are independent from each other and are uniformly distributed around the distribution circle.
Through setting up like this, a plurality of first gas distribution chambers, a plurality of second gas distribution chamber all independently set up to first air inlet or second air inlet can independently admit air to each first gas distribution chamber or second gas distribution chamber, have reduced and have aerifyd the volume, and the quick aerate of being convenient for sets up first gas distribution chamber, second gas distribution chamber equipartition, and the right amount that is favorable to realizing fixed gas distribution dish distributes evenly.
Preferably, a central angle corresponding to the first air distribution cavity completely coincides with a central angle corresponding to the second air distribution cavity.
By such an arrangement, processing is facilitated.
Preferably, the central angle corresponding to the first air distribution cavity and the central angle corresponding to the second air distribution cavity are overlapped in a staggered mode.
Through the arrangement, the first air distribution cavity and the second air distribution cavity can be arranged in a staggered mode, and a first air inlet and a second air inlet which are respectively communicated with the first air distribution cavity and the second air distribution cavity are conveniently machined from the circular surface of the fixed air distribution disc to the interior of the fixed air distribution disc.
Preferably, the number of the first air distribution cavity and the number of the second air distribution cavity are 4.
Preferably, the cross-sectional shape of the expanding airway is a semicircular arc or a U shape.
Through the arrangement, the cross section of the expansion air passage is in the shape of a semicircular arc or a U, so that the resistance of gas flow is favorably reduced, and quick air inlet and quick sealing are favorably realized.
Preferably, the cross-sectional shape of the sealing ring is arc-shaped or rectangular.
Compared with the prior art, the utility model discloses profitable technological effect has been obtained:
1. through setting up a plurality of air inlet groups to set up the extension air flue in first distribution air cavity, second distribution intracavity, realize admitting air fast to first distribution air cavity or second distribution intracavity, realize quick sealed.
2. In a normal state, the sealing ring can be separated from the rotary gas distribution disc, so that the abrasion to the sealing ring is reduced, the service life of the sealing ring is prolonged, and the sealing stability is improved.
3. The first air distribution cavity and the second air distribution cavity can be independently arranged or connected to form a first air inlet channel and a second air inlet channel which are circular, and processing and production are facilitated.
4. The first air distribution cavities and the second air distribution cavities are uniformly distributed around the centers of the respective distribution circles, so that the uniform mass distribution of the fixed air distribution disc is realized.
5. The first air distribution cavity and the second air distribution cavity can be arranged in a staggered mode, and processing is facilitated.
6. The cross section of the expansion air passage is in a semicircular arc shape or a U shape, so that the resistance of gas flow is favorably reduced, and quick air inlet and quick sealing are favorably realized.
Drawings
FIG. 1 is a schematic view showing an installation relationship between a gas distribution device and a pneumatic chuck according to an embodiment of the present invention;
fig. 2 is an overall three-dimensional schematic view of a gas distribution device in a first embodiment of the present invention;
fig. 3 is a schematic view of an internal structure of a fixed gas distribution plate according to a first embodiment of the present invention;
fig. 4 is an internal schematic view of a gas distribution device according to a first embodiment of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 4;
fig. 6 is a schematic view illustrating a connection between a gas distribution device and an external gas pipe according to a first embodiment of the present invention;
FIG. 7 is an enlarged view of portion B of FIG. 6;
fig. 8 is a schematic view of an internal structure of a fixed gas distribution plate in the second embodiment of the present invention;
FIG. 9 is an enlarged view of portion C of FIG. 8;
fig. 10 is a schematic view of an internal structure of a fixed gas distribution plate in the third embodiment of the present invention.
Wherein, the technical characteristics that each reference numeral refers to are as follows:
1. a gas distribution device; 101. fixing a gas distribution plate; 1011. an air inlet group; 10111. a first air inlet; 10112. a second air inlet; 1012. a first gas distribution cavity; 1013. a second gas distribution cavity; 1014. expanding the airway; 1015. a rotary fit groove; 1016. sealing the mounting groove; 102. rotating the gas distribution plate; 1021. a mating projection; 10211. a vent channel; 1022. an air outlet; 10221. is externally connected with an air pipe; 1023. an air outlet channel; 103. a seal ring; 1031. a communicating hole; 1032. a long side; 1033. a wide side; 2. a pneumatic chuck; 3. a frame; 4. a drive motor; 5. a transmission assembly; 501. a first drive gear; 502. a second transmission gear; 6. a first air inlet channel; 601. a first inlet tooling hole; 602. a first horizontal connection hole; 7. a second air inlet channel; 701. a second inlet tooling hole; 702. a second horizontal connecting hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following specific embodiments.
Example one
Referring to fig. 1, the present embodiment discloses a gas distribution device 1 of a gas chuck, which includes a fixed gas distribution plate 101 and a rotating gas distribution plate 102, wherein the rotating gas distribution plate 102 rotates synchronously with the gas chuck 2.
Referring to fig. 1, the air chuck 2 is rotatably mounted on a frame 3, a driving motor 4 and a transmission assembly 5 for driving the air chuck 2 to rotate are arranged on the frame 3, the fixed air distribution plate 101 is fixedly connected with the frame 3, the rotary air distribution plate 102 is fixed to the air chuck 2, the transmission assembly 5 comprises a first transmission gear 501 and a second transmission gear 502, the first transmission gear 501 is fixedly connected with the driving motor 4, and the second transmission gear 502 is fixedly connected with the rotary air distribution plate 102, so that the rotary air distribution plate 102 and the air chuck 2 rotate synchronously.
Referring to fig. 2 and 3, a plurality of air inlet groups 1011 are disposed on the circumferential surface of the fixed air distribution plate 101, each air inlet group 1011 includes a first air inlet 10111 and a second air inlet 10112, a plurality of first air distribution cavities 1012 and a plurality of second air distribution cavities 1013 are disposed in the fixed air distribution plate 101, the plurality of first air distribution cavities 1012 are located on the same virtual distribution circle, the plurality of second air distribution cavities 1013 are located on another virtual distribution circle, the diameters of the two distribution circles are different and are concentrically disposed with the fixed air distribution plate 101, the first air distribution cavities 1012 are communicated with the first air inlet 10111, and the second air distribution cavities 1013 are communicated with the second air inlet 10112.
Referring to fig. 3, 4 and 5, in this embodiment, the plurality of first air distribution cavities 1012 are communicated with each other to form a circular first air inlet duct 6, the plurality of second air distribution cavities 1013 are communicated with each other to form a circular second air inlet duct 7, the fixed air distribution plate 101 is radially provided with a first air inlet process hole 601 and a second air inlet process hole 701, the fixed plate is further axially provided with a first horizontal connecting hole 602 and a second horizontal connecting hole 702, two sides of the first horizontal connecting hole 602 are respectively communicated with the first air inlet process hole 601 and the first air inlet duct 6, and the first air inlet process hole 601 is communicated with the first air inlet hole; the two sides of the second horizontal connecting hole 702 are respectively communicated with the second air inlet process hole 701 and the second air inlet channel 7, and the second air inlet process hole 701 is communicated with the second air inlet hole, so that the first air inlet channel 6 and the second air inlet channel 7 can independently admit air.
Referring to fig. 4 and 5, at least one expansion air passage 1014 is disposed on each of the first air distribution chamber 1012 and the second air distribution chamber 1013 along the width direction of the fixed air distribution plate 101, in this embodiment, one expansion air passage 1014 is disposed.
Referring to fig. 5, in the present embodiment, the cross-sectional shape of the expanding air passage 1014 is a semicircular arc, and in other embodiments, the expanding air passage 1014 may also be U-shaped (not shown in the figure).
The fixed air distribution plate 101 is provided with two circular sealing installation grooves (not labeled in the figure), one of which is communicated with all the first air distribution chambers 1012, and the other is communicated with all the second air distribution chambers 1013, in this embodiment, the two sealing installation grooves are respectively communicated with the first air inlet channel 6 and the second air inlet channel 7.
Referring to fig. 5, two circular rotating matching grooves 1015 are arranged on the fixed gas distribution plate 101, the rotating matching grooves 1015 are arranged on the plate surface of the fixed gas distribution plate 101, the two rotating matching grooves 1015 are concentrically arranged with the fixed gas distribution plate 101, one rotating matching groove 1015 is communicated with one sealing installation groove, the other rotating matching groove 1015 is communicated with the other sealing installation groove, in this embodiment, one rotating matching groove 1015 is communicated with the first gas inlet channel 6, and the other rotating matching groove 1015 is communicated with the second gas inlet channel 7.
Referring to fig. 5, two circular fitting protrusions 1021 are disposed on the rotating gas distribution plate 102, the fitting protrusions 1021 are perpendicular to the plate surface of the rotating gas distribution plate 102, one of the fitting protrusions 1021 is rotatably fitted with one of the rotating fitting grooves 1015, the other fitting protrusion 1021 is rotatably fitted with the other rotating fitting groove 1015, and a rotating gap (not labeled) is maintained between the end of the fitting protrusion 1021 far away from the rotating gas distribution plate 102 and the first gas distribution cavity 1012 or the second gas distribution cavity 1013.
Referring to fig. 5, 6 and 7, two air vents 10211 are respectively disposed on two matching protrusions 1021, the air vents 10211 are disposed coaxially with the rotary air distribution disc 102, the air vents 10211 are disposed towards the first air distribution chamber 1012 or the second air distribution chamber 1013, two air outlets 1022 are disposed on the rotary air distribution disc 102, each air outlet 1022 is connected with an external air pipe 10221, two independent air outlets 1023 are disposed in the rotary air distribution disc 102, one air outlet 1022 is communicated with one air vent 10211 through the air outlet 1023, and the other air outlet 1022 is communicated with the other air vent 10211 through the other air outlet 1023.
Referring to fig. 7, a sealing ring 103 is disposed in each of the sealing installation grooves, the sealing ring 103 is disposed in the rotation gap and located between the mating protrusion 1021 and the expansion air passage 1014, the mating portion is blocked to be directly communicated with the expansion air passage 1014, the thickness of the sealing ring 103 is smaller than the rotation gap, and a distance is maintained between the sealing ring 103 and the mating protrusion 1021, in a normal state, the sealing ring 103 is disengaged from the mating protrusion 1021, a communication hole 1031 is disposed on the sealing ring 103, the aperture of the communication hole 1031 is smaller than the apertures of the first air inlet 10111 and the second air inlet 10112, and the communication hole 1031 communicates the ventilation groove 10211 with the expansion air passage 1014.
Referring to fig. 5, the cross-sectional shape of the sealing ring 103 is an arc or a rectangle, and preferably, the cross-sectional shape of the sealing ring 103 is an arc, and the center of the cross-sectional shape of the sealing ring 103 is located toward the expansion duct 1014.
The use process and the principle of the embodiment of the utility model are as follows:
before air is introduced, namely in a normal state, the sealing ring 103 is separated from the rotary air distribution disc 102, so that the abrasion to the sealing ring 103 is reduced, and the service life of the sealing ring 103 is prolonged.
When air enters, the first air inlet 10111 or the second air inlet 10112 is selected for air inlet, for example, when the first air inlet 10111 is selected for air inlet, the first air inlets 10111 of the plurality of air inlet groups 1011 simultaneously enter the first air distribution chamber 1012, the expansion air passage 1014 diffuses the entered air into the space between the first sealing ring 103 and the expansion air passage 1014 in the whole first air distribution chamber 1012, and because the apertures of the first air inlet 10111 and the second air inlet 10112 are both larger than the aperture of the communication hole 1031, the continuous air pressure at the side where the expansion air passage 1014 is located in the first air distribution chamber 1012 or the second air distribution chamber 1013 is continuously increased, so that a pressure difference is formed at the two sides of the first sealing ring 103, the first sealing ring 103 expands towards the side away from the expansion air passage 1014, and the gap where the matching protrusion 1021 and the rotating matching groove 1015 are connected is sealed.
Through the communication hole 1031 on the sealing ring 103, the gas enters the vent groove 10211 from the first gas distribution chamber 1012, the gas entering the vent groove 10211 is discharged from the gas outlet 1022 through the gas outlet channel 1023, and the gas is conveyed to the air chuck 2 through the connected external gas pipe 10221, so that the gas is provided for the action of the air chuck 2.
The embodiment is particularly suitable for the air chuck 2 with the inner diameter exceeding 440mm, the minimum air pressure value of air inlet can be 012MPa, the air pressure required by action is reduced, the sealing effect is easily realized, the phenomenon that the sealing ring is unevenly expanded due to the fact that air is only fed through a single air inlet is reduced, namely the sealing ring is expanded fast close to the air inlet and is far away from the air inlet, and the sealing effect is improved.
Example two
Referring to fig. 8, the present embodiment discloses another air distribution device 1 of an air chuck, which is different from the first embodiment in that: the first air distribution chambers 1012 are independent from each other and uniformly distributed around the distribution circle thereof, and the second air distribution chambers 1013 are independent from each other and uniformly distributed around the distribution circle thereof, in this embodiment, the number of the first air distribution chambers 1012 and the number of the second air distribution chambers 1013 are 4, each first air distribution chamber 1012 is correspondingly provided with a first air inlet 10111, each second air distribution chamber 1013 is correspondingly provided with a second air inlet 10112, in other embodiments, the number of the first air distribution chambers 1012 and the second air distribution chambers 1013 can also be 8, and the more the number of the first air distribution chambers 1012 and the second air distribution chambers 1013 is, the faster the air inlet and sealing speed is.
Referring to fig. 9, one of the seal installation grooves 1016 communicates with all of the first distribution chamber 1012, and the other seal installation groove 1016 communicates with all of the second distribution chamber 1013.
The first air distribution cavities 1012 are equal in size and shape, and the central angle corresponding to the first air distribution cavities 1012 is equal to and completely coincident with the central angle corresponding to the second air distribution cavities 1013, so that the processing is facilitated.
EXAMPLE III
Referring to fig. 10, the present embodiment discloses another air distribution device 1 of an air chuck, which is different from the second embodiment in that: the central angle corresponding to the first air distribution cavity 1012 is equal to the central angle corresponding to the second air distribution cavity 1013, and the central angles are overlapped in a staggered manner, so that the first air distribution cavity 1012 and the second air distribution cavity 1013 are staggered, and the first air inlet 10111 and the second air inlet 10112 can be conveniently machined.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used in the specification, the terms are used for convenience of description and do not limit the utility model in any way.
Claims (10)
1. The gas distribution device of the pneumatic chuck comprises a fixed gas distribution disc and a rotary gas distribution disc, wherein the rotary gas distribution disc and the pneumatic chuck synchronously rotate; the surfaces of the first air distribution cavity and the second air distribution cavity along the width direction of the fixed air distribution disc are provided with at least one expansion air passage; two circular sealing installation grooves are formed in the fixed air distribution disc, one sealing installation groove is communicated with all the first air distribution cavities, and the other sealing installation groove is communicated with all the second air distribution cavities; a sealing ring is arranged in each sealing installation groove, and two rotary matching grooves which are respectively communicated with the two sealing installation grooves are arranged on the fixed gas distribution plate; the rotary air distribution disc is provided with two matching convex parts which are respectively in running fit with the two rotary matching grooves, and the sealing ring is positioned between the matching convex parts and the extended air passage; the two matching convex parts are respectively provided with a vent groove, the rotary air distribution disc is provided with two air outlets, and the two air outlets are respectively communicated with the two vent grooves; a communicating hole is formed in the sealing ring and is communicated with the vent groove and the expansion air passage; the aperture of the communication hole is smaller than the apertures of the first and second gas inlets.
2. The air distribution device for an air chuck according to claim 1, wherein the seal ring is spaced from the mating protrusion.
3. The air distribution device of an air chuck according to claim 1 or 2, wherein the plurality of first air distribution chambers are communicated with each other to form a circular first air inlet channel, and the plurality of second air distribution chambers are communicated with each other to form a circular second air inlet channel.
4. The air distribution device of the air chuck as claimed in claim 3, wherein the fixed air distribution plate is provided with a first air inlet process hole and a second air inlet process hole along a radial direction, and is provided with a first horizontal connecting hole and a second horizontal connecting hole along an axial direction, two sides of the first horizontal connecting hole are respectively communicated with the first air inlet process hole and the first air inlet channel, and the first air inlet process hole is communicated with the first air inlet hole; and two sides of the second horizontal connecting hole are respectively communicated with the second air inlet process hole and the second air inlet channel, and the second air inlet process hole is communicated with the second air inlet hole.
5. The air distribution device of an air chuck according to claim 1 or 2, wherein the plurality of first air distribution chambers are independent of each other and are uniformly distributed around the distribution circle thereof, and the plurality of second air distribution chambers are independent of each other and are uniformly distributed around the distribution circle thereof.
6. The air distribution device of an air chuck according to claim 5, wherein the central angle corresponding to the first air distribution chamber is completely coincident with the central angle corresponding to the second air distribution chamber.
7. The air distribution device of an air chuck according to claim 5, wherein the central angle corresponding to the first air distribution chamber is staggered and coincident with the central angle corresponding to the second air distribution chamber.
8. The air distribution device of an air chuck according to claim 6 or 7, wherein 4 air distribution chambers are provided.
9. The air distribution device of an air chuck according to claim 1, 2, 4, 6 or 7, wherein the cross-sectional shape of the expanding air passage is a semi-circular arc or a U-shape.
10. The air distribution device of an air chuck according to claim 1, 2, 4, 6 or 7, wherein the cross-sectional shape of the sealing ring is arc-shaped or rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921526650.4U CN210523849U (en) | 2019-09-12 | 2019-09-12 | Air distribution device of pneumatic chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921526650.4U CN210523849U (en) | 2019-09-12 | 2019-09-12 | Air distribution device of pneumatic chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210523849U true CN210523849U (en) | 2020-05-15 |
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ID=70605223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921526650.4U Active CN210523849U (en) | 2019-09-12 | 2019-09-12 | Air distribution device of pneumatic chuck |
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| CN (1) | CN210523849U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114393330A (en) * | 2022-01-15 | 2022-04-26 | 江苏亚威机床股份有限公司 | Air inlet mechanism for end face of rotating shaft of pneumatic chuck |
| CN116197425A (en) * | 2023-04-18 | 2023-06-02 | 江峪环保科技(武汉)有限公司 | Air distribution device of air chuck |
| CN117532033A (en) * | 2023-11-21 | 2024-02-09 | 北京速瑞特科技有限公司 | Self-braking centering chuck |
-
2019
- 2019-09-12 CN CN201921526650.4U patent/CN210523849U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114393330A (en) * | 2022-01-15 | 2022-04-26 | 江苏亚威机床股份有限公司 | Air inlet mechanism for end face of rotating shaft of pneumatic chuck |
| CN114393330B (en) * | 2022-01-15 | 2023-07-14 | 江苏亚威机床股份有限公司 | Air chuck rotation axis terminal surface air inlet mechanism |
| CN116197425A (en) * | 2023-04-18 | 2023-06-02 | 江峪环保科技(武汉)有限公司 | Air distribution device of air chuck |
| CN116197425B (en) * | 2023-04-18 | 2023-08-15 | 江峪环保科技(武汉)有限公司 | Air distribution device of air chuck |
| 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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