CN113118787A - Machine tool rotary table and machine tool - Google Patents
Machine tool rotary table and machine tool Download PDFInfo
- Publication number
- CN113118787A CN113118787A CN202110312941.9A CN202110312941A CN113118787A CN 113118787 A CN113118787 A CN 113118787A CN 202110312941 A CN202110312941 A CN 202110312941A CN 113118787 A CN113118787 A CN 113118787A
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- Prior art keywords
- air
- groove
- fixed seat
- air passage
- machine tool
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- 238000007789 sealing Methods 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a machine tool turntable and a machine tool, comprising: the air purifier comprises a machine body, a water inlet, a water outlet, a water inlet pipe, a water outlet pipe and a water outlet pipe, wherein the machine body is provided with a fixed seat, the fixed seat is provided with an axial inner hole, and the fixed seat is provided with an air inlet and a fixed seat air passage; the rotary disc is arranged in the axial inner hole of the fixed seat, the peripheral surface of the rotary disc is in clearance fit with the axial inner hole, and the rotary disc is provided with an air outlet and a rotary disc air passage; the air channel of the fixed seat extends to the air channel of the annular air groove from the air inlet, and the air channel of the rotary disk extends to the air channel of the annular air groove from the air outlet; the output end of the driving component is provided with a rotating shaft, and the rotating shaft is connected with the rotating disc. By using the sealing structure, the rotating part and the fixed part of the sealing structure are different from the conventional O-shaped ring sealing, so that the rotary sealing structure is more compact, convenient to install and stable in work; and the fixed seat is not in contact with the rotary disc, so that the friction force is reduced, the overall load is reduced, and the rotary disc runs more smoothly.
Description
Technical Field
The invention is used in the field of machine tools, and particularly relates to an accessory of a machine tool, in particular to a machine tool rotary table and a machine tool.
Background
In machining, the tool on the swivel work head need ventilate the work, and structural gas circuit and the gas circuit of going up usually adopt forms such as O shape circle to seal up, and this kind of sealed mode can cause the load to be on the large side, and it is also can be on the large side because need leave O shape circle groove on the size, because O shape circle can produce the friction at rotatory in-process simultaneously, influences overall structure's life-span.
Disclosure of Invention
The invention aims to solve at least one technical problem in the prior art and provides a machine tool rotary table and a machine tool.
The technical scheme adopted by the invention for solving the technical problems is as follows:
in a first aspect, a machine tool turret comprises:
the air purifier comprises a machine body, a water inlet, a water outlet, a water inlet pipe, a water outlet pipe and a water outlet pipe, wherein the machine body is provided with a fixed seat, the fixed seat is provided with an axial inner hole, and the fixed seat is provided with an air inlet and a fixed seat air passage;
the rotary disc is arranged in the axial inner hole of the fixed seat, the peripheral surface of the rotary disc is in clearance fit with the axial inner hole, and the rotary disc is provided with an air outlet and a rotary disc air passage;
the air channel of the fixed seat extends to the air channel of the annular air groove from the air inlet, and the air channel of the rotary disk extends to the air channel of the annular air groove from the air outlet;
the output end of the driving component is provided with a rotating shaft, and the rotating shaft is connected with the rotating disc.
With reference to the first aspect, in certain implementations of the first aspect, the holder air passage includes a first holder air passage and a second holder air passage, the air inlet comprises a first air inlet and a second air inlet, the rotary disk air passage comprises a first rotary disk air passage and a second rotary disk air passage, the air outlets comprise a first air outlet and a second air outlet, the annular air grooves comprise a first annular air groove and a second annular air groove, the first annular air groove and the second annular air groove are distributed in a staggered mode along the axial direction, the first fixed seat air passage extends to the first annular air groove from the first air inlet, the first rotary disc air passage extends from the first air outlet to the first air circulation groove, the second fixing seat air passage extends from the second air inlet to the second air circulation groove, and the second rotary disc air passage extends from the second air outlet to the second air circulation groove.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the annular gas groove is opened in the outer peripheral surface of the rotary disk and/or the inner wall surface of the axial inner hole.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, a framework oil seal is disposed between the fixed seat and the rotary disk and above the annular gas groove.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the framework oil seal is locked to the fixed seat through a fastener.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the driving assembly includes a motor and a speed reducer, an installation via hole is formed in the middle of the rotary disc, the installation via hole is sealed by a sealing element, the sealing element is provided with a sealing element air passage and the air outlet, and the rotary disc air passage is communicated with the air outlet through the sealing element air passage.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, an annular groove and a sealing ring are provided between the sealing element and the rotary disk, and the rotary disk air passage and the sealing element air passage both extend to the annular groove.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, an air cavity is formed between the rotary disk and the machine body, a cover is disposed at the bottom of the machine body, the machine body is provided with a through hole communicating an inner cavity of the cover with the air cavity, and an exhaust hole is disposed at the bottom of the cover.
In a second aspect, a machine tool comprises the machine tool turret according to any one of the implementations of the first aspect.
One of the above technical solutions has at least one of the following advantages or beneficial effects:
in the working process, the fixed seat is fixed; the rotary disc is driven by the driving assembly to rotate; the airflow enters the fixed seat through the air inlet and enters the annular air groove through the air passage of the fixed seat, and a certain amount of airflow escapes and flows out through a small gap between the fixed seat and the rotary disk; most of the air flow passing through the air ring groove enters the air passage of the rotary disc and is discharged through the air outlet, and the discharged air is connected into the pneumatic clamping jig in a rotating state to clamp or loosen the air supply for the pneumatic clamping jig.
The structure realizes the smooth air path of the rotary worktable in a rotating state through the air passage communication; when the sealing structure is used, the rotating part and the fixed part of the sealing structure are different from the conventional O-shaped ring seal, so that the rotary sealing structure is more compact, convenient to install and stable in work; and the fixed seat is not in contact with the rotary disc, so that the friction force is reduced, the overall load is reduced, and the rotary disc runs more smoothly.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of one embodiment of a machine tool turntable of the invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the present invention, if directions (up, down, left, right, front, and rear) are described, it is only for convenience of describing the technical solution of the present invention, and it is not intended or implied that the technical features referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, it is not to be construed as limiting the present invention.
In the invention, the meaning of "a plurality" is one or more, the meaning of "a plurality" is more than two, and the terms of "more than", "less than", "more than" and the like are understood to exclude the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the present invention, unless otherwise specifically limited, the terms "disposed," "mounted," "connected," and the like are to be understood in a broad sense, and for example, may be directly connected or indirectly connected through an intermediate; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above-mentioned words in the present invention can be reasonably determined by those skilled in the art in combination with the detailed contents of the technical solutions.
Fig. 1 shows a reference direction coordinate system of an embodiment of the present invention, and the following describes an embodiment of the present invention with reference to the directions shown in fig. 1.
Referring to fig. 1, an embodiment of the present invention provides a machine tool rotary table, which can be used for clamping, fixing and rotationally driving a workpiece on a machine tool, and the machine tool rotary table includes a machine body 1, a rotary disk 2, an air circulation groove and a driving assembly 3, wherein the machine body 1 is provided with a fixing seat 4, the fixing seat 4 is fixed on the machine tool rotary table machine body 1, an output end of the driving assembly 3 is provided with a rotary shaft, the rotary shaft is connected with the rotary disk 2, and the rotary disk 2 is driven by the driving assembly 3 to rotate in a rotational direction.
In order to realize air supply of the rotary disc 2 and realize ventilation work of a jig on the rotary table, referring to fig. 1, a fixed seat 4 is provided with an axial inner hole 5, the rotary disc 2 is arranged in the axial inner hole 5 of the fixed seat 4, the peripheral surface of the rotary disc 2 is in clearance fit with the axial inner hole 5, the fixed seat 4 is provided with an air inlet and a fixed seat air passage, and the rotary disc 2 is provided with an air outlet and a rotary disc air passage; the ring air groove is established between fixing base 4 and gyration dish 2, and the fixing base air flue extends to the ring air groove by the air inlet, and the gyration dish air flue extends to the ring air groove by the gas outlet for the air current that comes from the fixing base air flue can be received to the gyration dish air flue when gyration dish 2 is rotatory. Wherein, the air inlet and the air outlet can be provided with joints to facilitate the connection of the air path. In the working process, the fixed seat 4 is fixed; the rotary disc 2 is driven by the driving component 3 to rotate; the air flow enters the fixed seat 4 through the air inlet and enters the annular air groove through the air passage of the fixed seat, and a certain air flow can escape and flow out through a small gap between the fixed seat 4 and the rotary disk 2; most of the air flow passing through the air ring groove enters the air passage of the rotary disc and is discharged through the air outlet, and the discharged air is connected into the pneumatic clamping jig in a rotating state to clamp or loosen the air supply for the pneumatic clamping jig. Adopt the small clearance to ensure that there is not a large amount of air currents to communicate between fixing base 4 and the gyration dish 2, compare in the tradition and use sealing washer structural seal, have the advantage that reduces the load, save space.
The air inlet, the fixing seat air passage, the air ring groove, the rotary disk air passage and the air outlet form an air supply path of the pneumatic jig on the rotary disk 2, the number of the air supply paths can be flexibly set according to the use requirement, for example, in the embodiment shown in fig. 1, the two air supply paths are arranged, namely, the fixing seat air passage comprises a first fixing seat air passage 6 and a second fixing seat air passage 7, the air inlet comprises a first air inlet 8 and a second air inlet 9, the rotary disk air passage comprises a first rotary disk air passage 10 and a second rotary disk air passage 11, the air outlet comprises a first air outlet 12 and a second air outlet 13, the air ring groove comprises a first air ring groove 14 and a second air ring groove 15, the first air ring groove 14 and the second air ring groove 15 are distributed in a staggered way along the axial direction, the first fixing seat air passage 6 extends from the first air inlet 8 to the first air ring groove 14, the first rotary disk air passage 10 extends from the first air outlet, the second fixing seat air passage 7 extends to the second air circulation groove 15 from the second air inlet 9, and the second rotary disk air passage 11 extends to the second air circulation groove 15 from the second air outlet 13. In the working process, the fixed seat 4 is fixed; the rotary disc 2 is driven by the driving component 3 to rotate; the air flow enters the fixed seat 4 through the first air inlet 8 and enters the first annular air groove 14 through the first fixed seat air passage 6, and a certain air flow escapes and flows out through a small gap between the fixed seat 4 and the rotary disk 2; the majority of the air flow passing through the first air-surrounding groove 14 enters the first air duct 10 of the rotary disk and is then discharged through the first air outlet 12, where the discharged air is connected to the pneumatic clamping fixture in a rotating state to clamp or release the air supply for the pneumatic clamping fixture. If need pass through second gas outlet 13 exhaust gas, at this moment need admit air through second air inlet 9, second fixing base air flue 7 through fixing base 4, the second gas ring groove 15 between fixing base 4 and the gyration dish 2, the inside second gyration dish air flue 11 of gyration dish 2 reach second gas outlet 13, discharge through second gas outlet 13 at last.
In general use, one of the first air outlet 12 and the second air outlet 13 is connected with the pneumatic jig to be loosened, the other one is connected with the pneumatic jig to be clamped, and the clamping and loosening state of the pneumatic jig is switched by replacing the air inlet of the first air inlet 8 and the air inlet of the second air inlet 9.
Referring to fig. 1, the annular gas groove is formed in the outer circumferential surface of the rotary disk 2 and/or the inner wall surface of the axial inner hole 5.
In some embodiments, referring to fig. 1, a framework oil seal 16 is disposed between the fixed seat 4 and the rotary disk 2 above the annular gas groove, and the framework oil seal 16 can prevent impurities such as machine tool machining chips from entering between the rotary disk 2 and the fixed seat 4.
Further, in order to avoid the frame oil seal 16 from flying out due to excessive internal air pressure, the frame oil seal 16 is locked to the fixed seat 4 through a fastener 17.
Referring to fig. 1, the driving assembly 3 includes a motor and a speed reducer, the motor and the speed reducer are installed on the machine body 1, and the middle part of the rotary disk 2 is provided with an installation via hole 18 for installing the rotary disk 2 and the motor on the machine body 1.
Referring to fig. 1, the mounting through hole 18 is sealed by a sealing element 25 after the rotary disk 2 and the motor are mounted, the sealing element 25 is provided with a sealing element air passage 19 and an air outlet, and the rotary disk air passage is communicated with the air outlet through the sealing element air passage 19. Namely, the sealing element 25 provided with the through hole 18 is combined with the air outlet, so that the air outlet is positioned in the middle of the rotary disk 2, the dynamic balance of the rotary disk 2 during rotation is improved, and meanwhile, the pneumatic jig is convenient to arrange on the rotary disk 2.
Referring to fig. 1, in order to facilitate the butt-joint conduction of the air passage 19 of the sealing element and the air passage of the rotary disk and ensure the air tightness, an annular groove 20 and a sealing ring 21 are arranged between the sealing element 25 and the rotary disk 2, and the air passage 19 of the rotary disk and the air passage 19 of the sealing element both extend to the annular groove 20, so that the sealing element 25 is not required to be installed in the installation through hole 18 at a specific angle, and the assembly is more convenient.
Referring to fig. 1, in some embodiments, an air chamber 22 is formed between the rotary disk 2 and the machine body 1, a cover 23 is provided at the bottom of the machine body 1, the cover 23 covers the outside of the motor, the machine body 1 is provided with a through hole communicating an inner cavity of the cover 23 with the air chamber 22, and an exhaust hole 24 is provided at the bottom of the cover 23, and the exhaust hole 24 is used for exhausting air on one hand and can also exhaust liquid in the machine body 1 on the other hand. In cooperation with the exhaust hole, the escaping air flow between the fixed seat 4 and the rotary disk 2 provides a certain internal pressure to the whole body, which helps to seal the inside.
An embodiment of the invention further provides a machine tool, which comprises the machine tool rotary table in any one of the embodiments. The machine tool adopts the structure, the air channel is communicated with the machine tool rotary table in the embodiment of the invention, so that the air channel of the rotary worktable can be smooth in the rotating state, and the rotating part and the fixed part of the rotary worktable are different from the conventional O-shaped ring seal, so that the rotary worktable is more stable in work and more compact in structure, and has the advantages of reducing load and saving space.
In the description herein, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope of the claims of the present application.
Claims (9)
1. A machine tool turret, comprising:
the air purifier comprises a machine body, a water inlet, a water outlet, a water inlet pipe, a water outlet pipe and a water outlet pipe, wherein the machine body is provided with a fixed seat, the fixed seat is provided with an axial inner hole, and the fixed seat is provided with an air inlet and a fixed seat air passage;
the rotary disc is arranged in the axial inner hole of the fixed seat, the peripheral surface of the rotary disc is in clearance fit with the axial inner hole, and the rotary disc is provided with an air outlet and a rotary disc air passage;
the air channel of the fixed seat extends to the air channel of the annular air groove from the air inlet, and the air channel of the rotary disk extends to the air channel of the annular air groove from the air outlet;
the output end of the driving component is provided with a rotating shaft, and the rotating shaft is connected with the rotating disc.
2. A machine tool turret according to claim 1, wherein said holder air passage comprises a first holder air passage and a second holder air passage, the air inlet comprises a first air inlet and a second air inlet, the rotary disk air passage comprises a first rotary disk air passage and a second rotary disk air passage, the air outlets comprise a first air outlet and a second air outlet, the annular air grooves comprise a first annular air groove and a second annular air groove, the first annular air groove and the second annular air groove are distributed in a staggered mode along the axial direction, the first fixed seat air passage extends to the first annular air groove from the first air inlet, the first rotary disc air passage extends from the first air outlet to the first air circulation groove, the second fixing seat air passage extends from the second air inlet to the second air circulation groove, and the second rotary disc air passage extends from the second air outlet to the second air circulation groove.
3. A machine tool turret according to claim 1, wherein the annular gas groove opens in an outer peripheral surface of the rotary disk and/or an inner wall surface of the axial inner hole.
4. A machine tool turret according to claim 3 wherein a frame oil seal is provided between said mounting base and said turret above said annular air groove.
5. A machine tool turret according to claim 4, wherein the frame oil seal is secured to the fixed base by fasteners.
6. The machine tool turntable according to claim 1, wherein the driving assembly comprises a motor and a speed reducer, a mounting through hole is formed in the middle of the rotary disk, the mounting through hole is sealed through a sealing piece, the sealing piece is provided with a sealing piece air passage and the air outlet, and the rotary disk air passage is communicated with the air outlet through the sealing piece air passage.
7. A machine tool turret according to claim 6 wherein a ring groove and a sealing ring are provided between the sealing member and the turntable, the turntable air passage and the sealing member air passage each extending to the ring groove.
8. The machine tool turntable according to claim 1, wherein an air cavity is formed between the rotary disk and the machine body, a cover is provided at the bottom of the machine body, the machine body is provided with a through hole communicating the inner cavity of the cover with the air cavity, and an exhaust hole is provided at the bottom of the cover.
9. A machine tool comprising a machine turret according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110312941.9A CN113118787A (en) | 2021-03-24 | 2021-03-24 | Machine tool rotary table and machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110312941.9A CN113118787A (en) | 2021-03-24 | 2021-03-24 | Machine tool rotary table and machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113118787A true CN113118787A (en) | 2021-07-16 |
Family
ID=76774012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110312941.9A Pending CN113118787A (en) | 2021-03-24 | 2021-03-24 | Machine tool rotary table and machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113118787A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114932421A (en) * | 2022-05-25 | 2022-08-23 | 苏州上金数控科技有限公司 | Rotary air supply device and machine tool |
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| US20070069436A1 (en) * | 2004-10-28 | 2007-03-29 | Wolfgang Zarske | Clamping table for workpieces in a machine tool |
| US20080192226A1 (en) * | 2004-06-07 | 2008-08-14 | Nikon Corporation | Stage Unit, Exposure Apparatus, and Exposure Method |
| CN102303143A (en) * | 2011-08-03 | 2012-01-04 | 常州市力源恒机械有限公司 | Rotary gas distribution device for pneumatic chuck |
| CN202123367U (en) * | 2011-06-01 | 2012-01-25 | 北京北方红旗精密机械制造有限公司 | Central gas distributor used for automatically clamping rotary machine tool |
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| CN206010271U (en) * | 2016-07-28 | 2017-03-15 | 广东利迅达机器人系统股份有限公司 | A kind of air-actuated jaw with spinfunction |
| CN107477187A (en) * | 2017-08-09 | 2017-12-15 | 广州市昊志机电股份有限公司 | A kind of non-contact rotary sealing structure |
| CN109605068A (en) * | 2018-11-09 | 2019-04-12 | 广州市昊志机电股份有限公司 | A kind of torque motor double back turntable five-axis flight table structure |
-
2021
- 2021-03-24 CN CN202110312941.9A patent/CN113118787A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080192226A1 (en) * | 2004-06-07 | 2008-08-14 | Nikon Corporation | Stage Unit, Exposure Apparatus, and Exposure Method |
| US20070069436A1 (en) * | 2004-10-28 | 2007-03-29 | Wolfgang Zarske | Clamping table for workpieces in a machine tool |
| CN202123367U (en) * | 2011-06-01 | 2012-01-25 | 北京北方红旗精密机械制造有限公司 | Central gas distributor used for automatically clamping rotary machine tool |
| CN102303143A (en) * | 2011-08-03 | 2012-01-04 | 常州市力源恒机械有限公司 | Rotary gas distribution device for pneumatic chuck |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114932421A (en) * | 2022-05-25 | 2022-08-23 | 苏州上金数控科技有限公司 | Rotary air supply device and machine tool |
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