CN102303143A - Rotary gas distribution device for pneumatic chuck - Google Patents
Rotary gas distribution device for pneumatic chuck Download PDFInfo
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- CN102303143A CN102303143A CN201110220000A CN201110220000A CN102303143A CN 102303143 A CN102303143 A CN 102303143A CN 201110220000 A CN201110220000 A CN 201110220000A CN 201110220000 A CN201110220000 A CN 201110220000A CN 102303143 A CN102303143 A CN 102303143A
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Abstract
The invention relates to a rotary gas distribution device for a pneumatic chuck, which comprises a jacket, a sliding bearing which is sleeved in the jacket in an interference manner and an inner shaft forming a sliding bearing pair with the sliding bearing, wherein the inner shaft comprises a rotating part sleeved in the sliding bearing and a connecting part extending out of the sliding shaft and being detachably fixedly connected with a lathe main spindle; a first gas inlet and a second gas inlet are arranged on the jacket; a first rotary gas cavity and a second rotary gas cavity which respectively correspond to the first gas inlet and the second gas inlet are arranged on the sliding bearing; and a first gas outlet communicated with the first rotary gas cavity through a first gas channel and a second gas outlet communicated with the second rotary gas cavity through a second gas channel are arranged on the connecting part of the inner shaft. The rotary gas distribution device has the advantages of no need of maintenance, no noise, small volume, light weight, capability of realizing high-speed operation, and the like. Due to the adoption of the rotary gas distribution device, the defects of the traditional rotary gas distribution device are eliminated and the manufacture cost is correspondingly lowered.
Description
Technical field
The present invention relates to the jig technical field, especially a kind of rotation air distributing device that is used for air spider.
Background technology
Air spider is a kind of jig commonly used, and each air spider in use all will use a kind of rotation air distributing device, and its effect is to prevent that two air supply pipes of air spider are intertwined in lathe drive air spider rotary course.The air distributing device that uses in the conventional art adopts the rubber seal leakproof, and existing air distributing device has three shortcomings, one of which: rubber seal easy abrasion, life-span short (life-span that user oneself arbitrarily buys is shorter); Its two: rolling bearing needs frequent the oiling, and the rolling bearing nursing is improper when running up just burns out; Its three: temperature rise, damage other non-metal workpieces easily.Particularly when running up, these three shortcomings seem particularly outstanding.
Summary of the invention
The technical problem that the present invention will solve is: in order to solve the deficiency in having now, the present invention provides a kind of rotation air distributing device that is used for air spider, adopts sliding bearing and interior axle to form sliding bearing pair, and it is little, durable in use to rub.
The technical solution adopted for the present invention to solve the technical problems is: a kind of rotation air distributing device that is used for air spider; Comprise that overcoat, interference are sleeved on the sliding bearing in the overcoat and form the interior axle of sliding bearing pair with sliding bearing; Axle comprises the rotating part that is sleeved in the sliding bearing and stretches out the connecting portion that sliding bearing and air spider are detachably fixedlyed connected in described; Described outer putting has first air inlet and second air inlet; Have corresponding with first air inlet and the second air inlet respectively first revolution air cavity and the second revolution air cavity on the sliding bearing, have first gas outlet that is communicated with by first air flue with the first revolution air cavity on the connecting portion of interior axle and turn round second gas outlet that air cavity is communicated with by second air flue with second.This device changes the moving air in actionless first air inlet and second air inlet in the air distributing device over to by sliding bearing and aerodynamic principle first gas outlet and second gas outlet of the interior axle that runs up; Realize the air feed of air spider; Sliding bearing pair drives air in the sliding bearing auxiliary air gap and also makes flow at high speed and form gas curtain and stop pressure air of first and second revolution air cavity to leak when the high speed relative motion; Owing to be full of pressure air in the sliding bearing auxiliary air gap; Axle suspension floated in sliding bearing broke away from; Reduce the friction between the sliding bearing pair, thereby made the sliding bearing pair durable wear.
For strengthening gas flow; Described first air flue has at least one passage with the first revolution air cavity place of connecting and is communicated with the first revolution air cavity, and described second air flue has at least one passage with the second revolution air cavity place of connecting and is communicated with the second revolution air cavity.Increase communication passage, increase gas flow.
For making air flue and passage be easy to processing, described first air flue and the first revolution air cavity place of connecting are " T " font passage, and described second air flue and the second revolution air cavity place of connecting are " T " font passage.
For preventing sliding bearing and interior axle moving axially when the rotary work; Has the transition shaft part between the rotating part of axle and the connecting portion in described; The described excessive shaft part diameter of axle is greater than the rotating part diameter of axle; The transition shaft part is connected with the end face contact of sliding bearing towards the end face of rotating part one end; An interior axle rotating part end of connecting portion dorsad is provided with the bolt that prevents axially movable packing ring and retaining washer; Bolt is connected with interior male thread; The packing ring diameter is greater than the interior axle diameter of axle, and the end face of packing ring is connected with the contact of the end face of sliding bearing.
For ease of being connected with the supply air line of air spider, the connecting portion of described interior axle has the nut that is used for detachably being fixedly connected lathe spindle.The effect of nut is interior axle to be fixed on the lathe spindle and with main shaft rotate.
The invention has the beneficial effects as follows; A kind of rotation air distributing device that is used for air spider of the present invention; Accomplish the conversion of air flue from static to rotation; There is not new change in function aspects; Its innovation part is to use effect that tremendous raising has been arranged, and its performance has two aspects: a, do not had rubber seal just not have ring wear; B, there has not been the rolling bearing phenomenon of just not at a high speed not generating heat.In addition that novel rotation air distributing device has is non-maintaining, noiselessness, volume are little, in light weight, and advantage such as can run up.The shortcoming of tradition rotation air distributing device has all been eliminated, and manufacturing cost also has corresponding reduction.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the sectional structure chart of the most preferred embodiment of the rotation air distributing device that is used for air spider of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1 of the present invention;
Fig. 3 is the perspective view of the most preferred embodiment of the rotation air distributing device that is used for air spider of the present invention.
Among the figure: 1. overcoat, 11. first air inlets, 12. second air inlets; 2. sliding bearing, 21. first revolution air cavitys, 22. second revolution air cavitys; 3. interior axle, 31. rotating parts, 32. connecting portions; 33. first air flue, 34. first gas outlets, 35. second air flues; 36. second gas outlet, 37. transition shaft part, 4. nuts; 5. packing ring, 6. bolt.
The specific embodiment
Combine accompanying drawing that the present invention is done further detailed explanation now.These accompanying drawings are the sketch map of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
Fig. 1 Fig. 2 Fig. 3 is the structural representation that is used for the rotation air distributing device most preferred embodiment of air spider of the present invention; Comprise that overcoat 1, interference are sleeved on the sliding bearing 2 in the overcoat 1 and form the interior axle 3 of sliding bearing pairs with sliding bearing 2; In axle 3 comprise the rotating part 31 that is sleeved in the sliding bearing 2 and stretch out the connecting portion 32 that sliding bearing 2 and air spider are detachably fixedlyed connected; Have first air inlet 11 and second air inlet 12 on the overcoat 1; Have on the sliding bearing 2 respectively and first air inlet 11 and the corresponding first revolution air cavitys 21 and the second revolution air cavity 22 of second air inlet 12, have first gas outlet 34 that is communicated with by first air flue 33 with the first revolution air cavity 21 on the connecting portion 32 of interior axle 3 and turn round second gas outlet 36 that air cavity 22 is communicated with by second air flue 35 with second.
As preferably, as shown in Figure 2, first air flue 33 and the first revolution air cavity, 21 places of connecting are " T " font passage, and second air flue 35 and second turns round air cavity 22 places of connecting and is " T " font passage.
For preventing sliding bearing 2 and interior axle 3 moving axially when the rotary work; Has transition shaft part 37 between the rotating part 31 of interior axle 3 and the connecting portion 32; Excessively shaft part 37 diameters of axle are greater than rotating part 31 diameters of axle; Transition shaft part 37 is connected with the end face contact of sliding bearing 2 towards the end face of rotating part 31 1 ends; Interior axle 3 rotating parts 31 end of connecting portion 32 dorsad are provided with the bolt 6 that prevents axially movable packing ring 5 and retaining washer 5; Bolt 6 is threaded with interior axle 3; Packing ring 5 diameters are greater than interior axle 3 diameters of axle, and the end face of packing ring 5 is connected with the end face contact of sliding bearing 2.The connecting portion 32 of interior axle 3 has the nut 4 that is used for detachably being fixedly connected lathe spindle.
Claims (5)
1. rotation air distributing device that is used for air spider; It is characterized in that: comprise that overcoat (1), interference are sleeved on the sliding bearing (2) in the overcoat (1) and form the interior axle (3) of sliding bearing pair with sliding bearing (2); Axle (3) comprises the rotating part (31) that is sleeved in the sliding bearing (2) and stretches out the connecting portion (32) that sliding bearing (2) and lathe spindle are detachably fixedlyed connected in described; Have first air inlet (11) and second air inlet (12) on the described overcoat (1); Have corresponding with first air inlet (11) and second air inlet (12) the respectively first revolution air cavity (21) and the second revolution air cavity (22) on the sliding bearing (2), have first gas outlet (34) that is communicated with by first air flue (33) with the first revolution air cavity (21) on the connecting portion (32) of interior axle (3) and turn round second gas outlet (36) that air cavity (22) is communicated with by second air flue (35) with second.
2. the rotation air distributing device that is used for air spider as claimed in claim 1; It is characterized in that: described first air flue (33) has at least one passage with first revolution air cavity (21) place of connecting and is communicated with the first revolution air cavity (21), and described second air flue (35) has at least one passage with second revolution air cavity (22) place of connecting and is communicated with the second revolution air cavity (22).
3. the rotation air distributing device that is used for air spider as claimed in claim 2; It is characterized in that: described first air flue (33) is " T " font passage with first revolution air cavity (21) place of connecting, and described second air flue (35) is " T " font passage with second revolution air cavity (22) place of connecting.
4. the rotation air distributing device that is used for air spider as claimed in claim 1; It is characterized in that: have transition shaft part (37) between the rotating part (31) of axle (3) and the connecting portion (32) in described; Described excessive shaft part (37) diameter of axle is greater than rotating part (31) diameter of axle; Transition shaft part (37) is connected with the end face contact of sliding bearing (2) towards the end face of rotating part (31) one ends; Interior axle (3) rotating part (31) end of connecting portion (32) dorsad is provided with the bolt (6) that prevents axially movable packing ring (5) and retaining washer (5); Bolt (6) is threaded with interior axle (3); Packing ring (5) diameter is greater than interior axle (3) diameter of axle, and the end face of packing ring (5) is connected with the end face contact of sliding bearing (2).
5. the rotation air distributing device that is used for air spider as claimed in claim 1 is characterized in that: the connecting portion (32) of axle (3) has the nut (4) that is used for detachably being fixedly connected lathe spindle in described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110220000 CN102303143B (en) | 2011-08-03 | 2011-08-03 | Rotary gas distribution device for pneumatic chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110220000 CN102303143B (en) | 2011-08-03 | 2011-08-03 | Rotary gas distribution device for pneumatic chuck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102303143A true CN102303143A (en) | 2012-01-04 |
| CN102303143B CN102303143B (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110220000 Active CN102303143B (en) | 2011-08-03 | 2011-08-03 | Rotary gas distribution device for pneumatic chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102303143B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481923A (en) * | 2016-11-22 | 2017-03-08 | 广东技术师范学院 | A kind of high-speed joint |
| CN107322026A (en) * | 2017-08-17 | 2017-11-07 | 无锡蠡湖增压技术股份有限公司 | Fixture assembly system |
| CN107877084A (en) * | 2017-12-12 | 2018-04-06 | 江苏大德重工股份有限公司 | Pneumatic two-way rotating mechanism |
| CN109822456A (en) * | 2019-01-31 | 2019-05-31 | 中国航发动力股份有限公司 | A kind of pneumatic scroll chuck fixture of rotation tensioning |
| CN113118787A (en) * | 2021-03-24 | 2021-07-16 | 广州市昊志机电股份有限公司 | Machine tool rotary table and machine tool |
| CN113953757A (en) * | 2021-12-22 | 2022-01-21 | 倍得福机械科技(常州)股份有限公司 | Pneumatic rear chuck for laser cutting machine |
| 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 |
| CN114645987A (en) * | 2022-04-07 | 2022-06-21 | 中国工程物理研究院材料研究所 | Rotary dynamic seal connecting structure for zero positioning system |
| CN116921892A (en) * | 2023-08-24 | 2023-10-24 | 契克科技(苏州)有限公司 | Fixed-point air distribution mechanism of pneumatic chuck |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5448388A (en) * | 1977-09-05 | 1979-04-16 | Howa Mach Ltd | Rotating cylinder |
| JP2007152461A (en) * | 2005-12-02 | 2007-06-21 | Canon Electronics Inc | Spindle device and machining device |
| CN101920349A (en) * | 2010-09-09 | 2010-12-22 | 江苏无锡建华机床附件集团有限公司 | Back distribution type front pneumatic chuck |
| CN201880944U (en) * | 2010-11-29 | 2011-06-29 | 李东升 | Pneumatic chuck |
| CN202219333U (en) * | 2011-08-03 | 2012-05-16 | 常州市力源恒机械有限公司 | Rotary air distribution device for pneumatic chunk |
-
2011
- 2011-08-03 CN CN 201110220000 patent/CN102303143B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5448388A (en) * | 1977-09-05 | 1979-04-16 | Howa Mach Ltd | Rotating cylinder |
| JP2007152461A (en) * | 2005-12-02 | 2007-06-21 | Canon Electronics Inc | Spindle device and machining device |
| CN101920349A (en) * | 2010-09-09 | 2010-12-22 | 江苏无锡建华机床附件集团有限公司 | Back distribution type front pneumatic chuck |
| CN201880944U (en) * | 2010-11-29 | 2011-06-29 | 李东升 | Pneumatic chuck |
| CN202219333U (en) * | 2011-08-03 | 2012-05-16 | 常州市力源恒机械有限公司 | Rotary air distribution device for pneumatic chunk |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481923A (en) * | 2016-11-22 | 2017-03-08 | 广东技术师范学院 | A kind of high-speed joint |
| CN107322026A (en) * | 2017-08-17 | 2017-11-07 | 无锡蠡湖增压技术股份有限公司 | Fixture assembly system |
| CN107322026B (en) * | 2017-08-17 | 2023-06-30 | 无锡蠡湖增压技术股份有限公司 | Clamp assembly system |
| CN107877084A (en) * | 2017-12-12 | 2018-04-06 | 江苏大德重工股份有限公司 | Pneumatic two-way rotating mechanism |
| CN109822456A (en) * | 2019-01-31 | 2019-05-31 | 中国航发动力股份有限公司 | A kind of pneumatic scroll chuck fixture of rotation tensioning |
| CN113118787A (en) * | 2021-03-24 | 2021-07-16 | 广州市昊志机电股份有限公司 | Machine tool rotary table and machine tool |
| CN113953757A (en) * | 2021-12-22 | 2022-01-21 | 倍得福机械科技(常州)股份有限公司 | Pneumatic rear chuck for laser cutting machine |
| 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 |
| CN114645987A (en) * | 2022-04-07 | 2022-06-21 | 中国工程物理研究院材料研究所 | Rotary dynamic seal connecting structure for zero positioning system |
| CN116921892A (en) * | 2023-08-24 | 2023-10-24 | 契克科技(苏州)有限公司 | Fixed-point air distribution mechanism of pneumatic chuck |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102303143B (en) | 2013-04-24 |
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