CN204135373U - A kind of Machinetool workpiece clamping mechanism - Google Patents
A kind of Machinetool workpiece clamping mechanism Download PDFInfo
- Publication number
- CN204135373U CN204135373U CN201420595802.7U CN201420595802U CN204135373U CN 204135373 U CN204135373 U CN 204135373U CN 201420595802 U CN201420595802 U CN 201420595802U CN 204135373 U CN204135373 U CN 204135373U
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- rotating shaft
- supporting
- terminal pad
- pull bar
- location dish
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Abstract
A kind of Machinetool workpiece clamping mechanism, belongs to machining equipment part device.The utility model comprises claw, drive oil cylinder, all be provided with the pull bar of hollow cavity, rotating shaft terminal pad, chuck body, master jaw, pull bar terminal pad, support set and air inlet cover, air inlet cover inner hole wall arranges first ring connected in star, air inlet cover body arranges the air inlet through hole being communicated with first ring connected in star, rotating shaft is provided with the air duct that at least 1 import corresponds to first ring connected in star, rotating shaft terminal pad, support set and supporting and location dish are all provided with the air duct corresponding with rotating shaft, the air duct that the outlet of formation from the import air inlet is overlapped to supporting and location dish on the end face of location is mutually through, supporting and location dish is set with and drives by spring force the sliding sleeve slided, sliding sleeve front end is provided with the spring shoulder against spring at front end, whether the utility model solves existing Machinetool workpiece clamping mechanism cannot detect clamping workpiece location accurately and the problem that can not automatically deviate from of larger workpiece.
Description
Technical field
The utility model belongs to machining equipment part device, especially relevant with a kind of Machinetool workpiece clamping mechanism.
Background technology
Machine tool chuck is a kind of device in order to clamping workpiece on rotary axis of machine tool, and its effect rotates with rotating shaft after being located by Workpiece clamping, after work pieces process completes, is generally automatically deviate from from chuck by rotary centrifugal force effect.When traditional machine tool hydraulic chuck clamps work, revolving body workpieces is pushed Workpiece clamping mechanism by automatical feeding system, workpiece one end face is close proximity on chuck and locates end face for the supporting and location dish of Workpiece fixing, Set and Positioning is carried out to workpiece, but traditional Machinetool workpiece clamping mechanism cannot detect the clamping workpiece after clamping, and whether location is accurate, if clamping workpiece location is inaccurate, then can affects the machining accuracy of workpiece, workpiece even can be caused to scrap; After work pieces process completes, the workpiece larger for width just cannot realize automatically deviating from, and needs other mechanisms or hand fit to take out work, reduces operating efficiency.
Utility model content
Whether the purpose of this utility model is intended to overcome existing Machinetool workpiece clamping mechanism cannot detect clamping workpiece location accurately and the defect that cannot automatically deviate from of larger workpiece, provides a kind of and can realize clamping workpiece detection and localization, larger workpiece can the Machinetool workpiece clamping mechanism that goes out of glue automatically.
For this reason, the utility model is by the following technical solutions: a kind of Machinetool workpiece clamping mechanism, comprise pull bar, rotating shaft terminal pad, chuck body, master jaw, claw, supporting and location dish, pull bar terminal pad, support set and driving oil cylinder, pull bar, rotating shaft terminal pad, chuck body, master jaw, pull bar terminal pad and support set are all provided with hollow cavity, described rotating shaft terminal pad is fixedly installed in the rotary axis of machine tool front end of hollow, chuck body is fixedly connected with rotating shaft terminal pad, claw is arranged at the front end of described master jaw, described master jaw is flush-mounted in described chuck body, the periphery of master jaw front end is set to the outer conical surface that rear end diameter is less than point diameter, described chuck body inner chamber is provided with the internal conical surface matched with described outer conical surface, by master jaw moving axially in chuck body inner chamber, concentric contraction can be realized by master jaw band with described claw move and expand outwardly motion, described support set is fixed on described rotating shaft terminal pad, and through described master jaw inner chamber, the supporting and location dish described in supporting is installed, described supporting and location dish front end face is set to location end face, locating end face is in the axial direction positioned on rear side of the claw head of claw, described pull bar is arranged in rotary axis of machine tool hollow cavity, described master jaw internal chamber wall arranges draw-in groove, described support set arranges radial direction through hole, described pull bar terminal pad fixed cover is loaded on pull bar, pull bar terminal pad is arranged the cambered outwards connection bump in footpath, connection bump is through the radial direction through hole on support set and the draw-in groove snapped on master jaw internal chamber wall, the axially-movable of pull bar can connect dribbling with master jaw axially-movable by pull bar, pull bar is connected with described driving oil cylinder, by the axially-movable of driving hydraulic oil cylinder driving, it is characterized in that, described Machinetool workpiece clamping mechanism also comprises air inlet cover, air inlet cover is fixedly installed in support and installs on the casing of described rotating shaft, air inlet cover is coated at described rotating shaft, air inlet cover inner hole wall arranges first ring connected in star, air inlet cover body arranges the air inlet through hole being communicated with this first ring connected in star, described rotating shaft is provided with the air duct that at least 1 import corresponds to described first ring connected in star, described rotating shaft terminal pad, support set and supporting and location dish are all provided with the air duct corresponding with described rotating shaft, rotating shaft terminal pad, support set is connected successively with the air duct on supporting and location dish, air passage inlet on rotating shaft terminal pad is connected to the air channel outlet on rotating shaft, air channel outlet on supporting and location dish is positioned on its location end face, the air duct that the outlet of formation from the import air inlet is overlapped to supporting and location dish on the end face of location is mutually through, described supporting and location dish is set with and drives by spring force the sliding sleeve slided, and sliding sleeve front end is provided with the spring shoulder against described spring at front end.
During utility model works, the import of air inlet cover connects external pressure source of the gas by tracheae, tracheae arranges sensor, sensor is connected with electric-control system by holding wire, revolving body workpieces is loaded on claw by automatical feeding system, slide over spring force slide under slippage backward, workpiece is against sliding sleeve and near the location end face of supporting and location dish, hollow pull rod carries out axially-movable under hydraulic oil cylinder driving backward, connect dribbling by extension bar to move with master jaw backward, master jaw band does concentric contraction motion with claw, jaws clamp, external pressure source of the gas by tracheae through air duct just calm the anger air input master jaw air duct, because workpiece end face is close proximity to the location end face of supporting and location dish, the air duct of location end face is blocked, air duct and endotracheal air pressure are raised gradually, sensor sensing is to the signal of rear electric do-nothing system feedback accurate work piece positioning, process by electric control system controls lathe, if Workpiece fixing is inaccurate, workpiece one end face cannot be close proximity to the location end face of supporting and location dish, the air channel outlet on the end face of location cannot be blocked, air pressure then in air duct can not raise, can not signal be there is in sensor, lathe can stop processing work.
As to technique scheme supplement and perfect, the utility model also comprises following technical characteristic.
Described Machinetool workpiece clamping mechanism also comprises chip discharging tube, described chip discharging tube is threaded onto in the hollow cavity of described pull bar, described supporting and location back-end disk is provided with the second annular groove, described chip discharging tube front end penetrates in the second described annular groove, and form matched in clearance with described supporting and location dish, bearing is provided with between chip discharging tube front end and the second described annular groove sidewall, described supporting and location dish is provided with hollow cavity, the hollow cavity of described chip discharging tube is communicated with the hollow cavity of described supporting and location dish, facilitate iron filings to discharge recovery backward, improve processing environment.
Air duct on described rotating shaft is 3, and the air duct on corresponding described rotating shaft terminal pad, support set and supporting and location dish is 3.
Described air inlet cover comprises the outer matrix and internal layer wear resistant alloy sleeve casting and be connected as a single entity, is provided with described first ring connected in star in described internal layer wear resistant alloy sleeve.
Described internal layer antifriction alloy puts the hermetic seal groove being provided with and being positioned at first ring connected in star both sides, hermetic seal is formed to rotating shaft, prevent cuttings liquid from entering axis hole between rotating shaft casing, and reduce the rubbing surface rotating rotating shaft and internal layer wear resistant alloy sleeve, reduce wear.
Use the utility model can reach following beneficial effect: 1, by being provided with 3 air ducts on air inlet cover, rotating shaft, rotating shaft terminal pad, support set and supporting and location dish, achieve the function of clamping workpiece detection and localization, avoid when clamping workpiece is located inaccurate still in processing, cause scrapping of workpiece, save processing cost; 2, driving by spring force the sliding sleeve slided by being set with on supporting and location dish, automatically deviating from of workpiece can be realized, improve operating efficiency; 3, by arranging chip discharging tube in pull bar hollow cavity, iron filings can be discharged recovery backward, improving processing environment.4, by being provided with the hermetic seal groove being positioned at first ring connected in star both sides on internal layer antifriction alloy cover, hermetic seal is formed to rotating shaft, prevent cuttings liquid from entering axis hole between rotating shaft casing, and reduce the rubbing surface rotating rotating shaft and internal layer wear resistant alloy sleeve, reduce wear.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present utility model.
Fig. 2 is the enlarged drawing at a place in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.
As shown in Figure 1, the utility model comprises a kind of Machinetool workpiece clamping mechanism, comprises pull bar 14, rotating shaft terminal pad 2, chuck body 3, master jaw 5, claw 7, supporting and location dish 6, pull bar terminal pad 4, support set 12, drive oil cylinder, chip discharging tube 13 and air inlet cover 15, pull bar 14, rotating shaft terminal pad 2, chuck body 3, master jaw 5, supporting and location dish 6, pull bar terminal pad 4 and support set 12 are all provided with hollow cavity, described rotating shaft terminal pad 2 is fixedly installed in the front end of the rotary axis of machine tool 1 of hollow, chuck body 3 is fixedly connected with rotating shaft terminal pad 2, claw 7 is arranged at the front end of described master jaw 5, described master jaw 5 is flush-mounted in described chuck body 3, the periphery of the front end of master jaw 5 is set to the outer conical surface that rear end diameter is less than point diameter, the inner chamber of described chuck body 3 is provided with the internal conical surface matched with described outer conical surface, moved axially in the inner chamber of chuck body 3 by master jaw 5, can by master jaw 5 be with described claw 7 realize concentric contraction motion and expand outwardly motion, described support set 12 is fixed on described rotating shaft terminal pad 2, and through the inner chamber of described master jaw 5, the supporting and location dish 6 described in supporting is installed, the front end face of described supporting and location dish 6 is set to location end face, locating end face is in the axial direction positioned on rear side of the claw head of claw 7, the rear end of described supporting and location dish 6 is provided with the second annular groove, described pull bar 14 is arranged in the hollow cavity of rotary axis of machine tool 1, described chip discharging tube 13 is threaded onto in the hollow cavity of described pull bar 14, described chip discharging tube front end penetrates in the second described annular groove, and form matched in clearance with described supporting and location dish 6, bearing 11 is provided with between chip discharging tube front end and the second described annular groove sidewall, the hollow cavity of described chip discharging tube 13 is communicated with the hollow cavity of described supporting and location dish 6, facilitate iron filings to discharge recovery backward, improve processing environment, the internal chamber wall of described master jaw 5 is provided with draw-in groove, described support set 12 arranges radial direction through hole, described pull bar terminal pad 4 fixed cover is loaded on pull bar 14, pull bar terminal pad 4 is arranged the cambered outwards connection bump in footpath, connection bump is through the radial direction through hole on support set 12 and the draw-in groove snapped on the internal chamber wall of master jaw 5, the axially-movable of pull bar 14 can be with same master jaw 5 to do axially-movable by pull bar terminal pad 4, pull bar 14 is connected with described driving oil cylinder, by the axially-movable of driving hydraulic oil cylinder driving, described air inlet cover 15 comprises the outer matrix 20 and internal layer wear resistant alloy sleeve 19 casting and be connected as a single entity, air inlet cover 15 is fixedly installed in support and installs on the casing 16 of described rotating shaft 1, air inlet cover 15 is coated at described rotating shaft 1, described first ring connected in star 17 is provided with in described internal layer wear resistant alloy sleeve 19, described internal layer wear resistant alloy sleeve 19 is provided with the hermetic seal groove 18 being positioned at first ring connected in star both sides, hermetic seal is formed to rotating shaft 1, prevent cuttings liquid from entering axis hole between rotary axis of machine tool 1 and casing 16, and reduce the rubbing surface rotating rotating shaft 1 and internal layer wear resistant alloy sleeve 19, reduce wear, the body of described air inlet cover 15 is provided with the air inlet through hole being communicated with described first ring connected in star 17, described rotating shaft 1 is provided with 3 imports all corresponding to the air duct of described first ring connected in star 17, described rotating shaft terminal pad 2, support set 12 and supporting and location dish 6 are all provided with the air duct corresponding with described rotating shaft 1, rotating shaft terminal pad 2, support set 12 is connected successively with the every bar air duct on supporting and location dish 6, air passage inlet on rotating shaft terminal pad 2 is connected to the air channel outlet on rotating shaft 1, three air channel outlet on supporting and location dish 6 are all positioned on its location end face, formed from the import air inlet cover 15 to mutually through 3 air ducts of the outlet on the location end face of supporting and location dish 6, described supporting and location dish 6 is set with and drives by spring 10 elastic force the sliding sleeve 9 slided, and sliding sleeve 9 front end is provided with the spring shoulder against described spring at front end.
During utility model works, the import of air inlet cover 15 connects external pressure source of the gas by tracheae, tracheae arranges sensor, sensor is connected with electric-control system by holding wire, revolving body workpieces 8 is loaded on claw 7 by automatical feeding system, sliding sleeve 9 slippage backward under the elastic force of spring 10 slides, workpiece 8 is against sliding sleeve 9 and near the location end face of supporting and location dish 6, hollow pull rod 14 carries out axially-movable under hydraulic oil cylinder driving backward, connect dribbling by extension bar to move with master jaw 5 backward, master jaw 5 is with same claw 7 to do concentric contraction motion, claw 7 clamping work pieces 8, external pressure source of the gas by tracheae through air duct just calm the anger air input master jaw 5 air duct, because workpiece end face is close proximity to the location end face of supporting and location dish 6, the air duct of location end face is blocked, air duct and endotracheal air pressure are raised gradually, sensor sensing is to the signal of rear electric do-nothing system feedback workpiece 8 accurate positioning, process by electric control system controls lathe, if workpiece 8 is located inaccurate, one end face of workpiece 8 cannot be close proximity to the location end face of supporting and location dish 6, the air channel outlet on the end face of location cannot be blocked, air pressure then in air duct can not raise, can not signal be there is in sensor, lathe can stop processing work.
Claims (5)
1. a Machinetool workpiece clamping mechanism, comprises pull bar (14), rotating shaft terminal pad (2), chuck body (3), master jaw (5), claw (7), supporting and location dish (6), pull bar terminal pad (4), support set (12) and driving oil cylinder, pull bar (14), rotating shaft terminal pad (2), chuck body (3), master jaw (5), pull bar terminal pad (4) and support set (12) are all provided with hollow cavity, described rotating shaft terminal pad (2) is fixedly installed in the front end of the rotary axis of machine tool (1) of hollow, chuck body (3) is fixedly connected with rotating shaft terminal pad (2), claw (7) is arranged at the front end of described master jaw (5), described master jaw (5) is flush-mounted in described chuck body (3), the periphery of the front end of master jaw (5) is set to the outer conical surface that rear end diameter is less than point diameter, the inner chamber of described chuck body (3) is provided with the internal conical surface matched with described outer conical surface, is moved axially in the inner chamber of chuck body (3) by master jaw (5), described support set (12) is fixed on described rotating shaft terminal pad (2), and through the inner chamber of described master jaw (5), the supporting and location dish (6) described in supporting is installed, the front end face of described supporting and location dish (6) is set to location end face, locating end face is in the axial direction positioned on rear side of the claw head of claw (7), described pull bar (14) is arranged in the hollow cavity of rotary axis of machine tool (1), described master jaw internal chamber wall arranges draw-in groove, described support set (12) arranges radial direction through hole, described pull bar terminal pad (4) fixed cover is loaded on pull bar (14), pull bar terminal pad (4) is arranged the cambered outwards connection bump in footpath, connection bump is through the radial direction through hole on support set (12) and the draw-in groove snapped on master jaw internal chamber wall, the axially-movable of pull bar (14) can be with same master jaw (5) axially-movable by pull bar terminal pad (4), pull bar (14) is connected with described driving oil cylinder, by the axially-movable of driving hydraulic oil cylinder driving, it is characterized in that: described Machinetool workpiece clamping mechanism also comprises air inlet cover (15), air inlet cover (15) is fixedly installed in support and installs on the casing (16) of described rotary axis of machine tool (1), air inlet cover (15) is coated at described rotating shaft (1), the inner hole wall of air inlet cover (15) is arranged first ring connected in star (17), the body of air inlet cover (15) is arranged the air inlet through hole being communicated with this first ring connected in star (17), described rotating shaft (1) is provided with the air duct that at least 1 import corresponds to described first ring connected in star (17), described rotating shaft terminal pad (2), support set (12) and supporting and location dish (6) are all provided with the air duct corresponding with described rotating shaft (1), rotating shaft terminal pad (2), support set (12) is connected successively with the air duct on supporting and location dish (6), air passage inlet on rotating shaft terminal pad (2) is connected to the air channel outlet on rotating shaft (1), air channel outlet on supporting and location dish (6) is positioned on its location end face, form the mutually through air duct of outlet on from the import air inlet cover (15) to the location end face of supporting and location dish (6), described supporting and location dish (6) is set with and drives by spring (10) elastic force the sliding sleeve (9) slided, and the front end of sliding sleeve (9) is provided with the spring shoulder against described spring at front end.
2. a kind of Machinetool workpiece clamping mechanism according to claim 1, it is characterized in that: described Machinetool workpiece clamping mechanism also comprises chip discharging tube (13), described chip discharging tube (13) is threaded onto in the hollow cavity of described pull bar (14), the rear end of described supporting and location dish (6) is provided with the second annular groove, described chip discharging tube (13) penetrates in the second described annular groove, and form matched in clearance with described supporting and location dish (6), bearing (11) is provided with between chip discharging tube front end and the second described annular groove sidewall, described supporting and location dish (6) is provided with hollow cavity, the hollow cavity of described chip discharging tube (13) is communicated with the hollow cavity of described supporting and location dish (6).
3. a kind of Machinetool workpiece clamping mechanism according to claim 2, it is characterized in that: the air duct on described rotating shaft (1) is 3, the air duct on corresponding described rotating shaft terminal pad (2), support set (12) and supporting and location dish (6) is 3.
4. a kind of Machinetool workpiece clamping mechanism according to claim 3, it is characterized in that: described air inlet cover (15) comprises the outer matrix (20) and internal layer wear resistant alloy sleeve (19) casting and be connected as a single entity, is provided with described first ring connected in star (17) in described internal layer wear resistant alloy sleeve (19).
5. a kind of Machinetool workpiece clamping mechanism according to claim 4, is characterized in that: described internal layer wear resistant alloy sleeve (19) is provided with the hermetic seal groove (18) being positioned at first ring connected in star both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420595802.7U CN204135373U (en) | 2014-10-15 | 2014-10-15 | A kind of Machinetool workpiece clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420595802.7U CN204135373U (en) | 2014-10-15 | 2014-10-15 | A kind of Machinetool workpiece clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204135373U true CN204135373U (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420595802.7U Expired - Fee Related CN204135373U (en) | 2014-10-15 | 2014-10-15 | A kind of Machinetool workpiece clamping mechanism |
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| CN (1) | CN204135373U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234444A (en) * | 2015-09-18 | 2016-01-13 | 时硕科技(无锡)有限公司 | Anti-deformation machining device and method for automobile generator pulley |
| CN106077729A (en) * | 2016-08-02 | 2016-11-09 | 北京超同步伺服股份有限公司 | For lathe chuck opening and closing and the device of locking |
| CN106271871A (en) * | 2016-08-30 | 2017-01-04 | 津上精密机床（浙江）有限公司 | Blowing structure in machine tool chief axis |
| CN107470982A (en) * | 2017-09-29 | 2017-12-15 | 无锡迪奥机械有限公司 | Air-tightness fixture |
| CN108249744A (en) * | 2018-03-22 | 2018-07-06 | 东南大学 | Major diameter quartz glass tube reprocesses automatic chuck clamping device |
| CN113370075A (en) * | 2021-05-31 | 2021-09-10 | 湖州铭灏机械有限公司 | Chip blowing structure for grinding of hydraulic chuck |
-
2014
- 2014-10-15 CN CN201420595802.7U patent/CN204135373U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234444A (en) * | 2015-09-18 | 2016-01-13 | 时硕科技(无锡)有限公司 | Anti-deformation machining device and method for automobile generator pulley |
| CN106077729A (en) * | 2016-08-02 | 2016-11-09 | 北京超同步伺服股份有限公司 | For lathe chuck opening and closing and the device of locking |
| CN106271871A (en) * | 2016-08-30 | 2017-01-04 | 津上精密机床（浙江）有限公司 | Blowing structure in machine tool chief axis |
| CN106271871B (en) * | 2016-08-30 | 2018-02-09 | 津上精密机床（浙江）有限公司 | Blowing structure in machine tool chief axis |
| CN107470982A (en) * | 2017-09-29 | 2017-12-15 | 无锡迪奥机械有限公司 | Air-tightness fixture |
| CN108249744A (en) * | 2018-03-22 | 2018-07-06 | 东南大学 | Major diameter quartz glass tube reprocesses automatic chuck clamping device |
| CN113370075A (en) * | 2021-05-31 | 2021-09-10 | 湖州铭灏机械有限公司 | Chip blowing structure for grinding of hydraulic chuck |
| CN113370075B (en) * | 2021-05-31 | 2022-05-10 | 湖州铭灏机械有限公司 | Chip blowing structure for grinding of hydraulic chuck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20201015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |