CN109290830B - Lathe tail fixing device for clamping and centering container - Google Patents
Lathe tail fixing device for clamping and centering container Download PDFInfo
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- CN109290830B CN109290830B CN201811033601.7A CN201811033601A CN109290830B CN 109290830 B CN109290830 B CN 109290830B CN 201811033601 A CN201811033601 A CN 201811033601A CN 109290830 B CN109290830 B CN 109290830B
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- hole
- inner flange
- flange
- bearing
- roller bearing
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- 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
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
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- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses a lathe tail fixing device for integrally assembling and clamping and punching a central hole, which comprises a central shaft, an elastic chuck, a bearing, an inner flange, an outer flange, a connecting rod, a fixing screw, a linear bearing, a spring and a spring washer, wherein the central shaft is fixedly connected with the elastic chuck; the central shaft is provided with a taper hole, and an elastic chuck is arranged on the taper hole; the bearing is arranged on the central shaft; the inner flange is arranged on an outer ring of the bearing; the outer flange is arranged on the boss of the inner flange; the spring is placed on the outer flange; the spring washer is arranged on the boss of the inner flange; the connecting rod is fixed on the outer flange; the linear bearing is arranged in the through hole of the inner flange and is contacted with the connecting rod and the inner flange; the fixing screw is arranged in the screw hole of the connecting rod. The eccentric part clamping device has the function of clamping common workpieces, can clamp eccentric parts and drill a central hole, does not need to be additionally provided with a central frame, reduces the auxiliary time required by workpiece positioning and correction, and improves the production efficiency.
Description
Technical Field
The invention relates to a lathe accessory, in particular to a lathe tail fixing device with functions of assembling, clamping and punching a central hole.
Background
The lathe is a machining device with strong universality and wide machining range, the lathe can finish most parts by matching with accessories, and the lathe machining is limited when an eccentric part is encountered.
Only have a lathe tailstock four-jaw single action gyration chuck at present on the market, this chuck is used for lathe tailstock clamping, needs the customization moreover. The device is not very reasonable in structure and limited in application.
1) A standard four-jaw chuck is adopted to clamp a workpiece, the application diameter range is small, and the self weight is too large.
2) Only the workpiece can be clamped and corrected, and a central fabrication hole cannot be drilled. Therefore, the center frame is used for punching the center process hole during processing, and the working efficiency is low.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a device which can clamp a workpiece, can improve the range of the diameter of the clamped workpiece during clamping and can perform the function of punching a central hole on the workpiece after clamping is finished.
In order to achieve the purpose, the technical scheme of the invention is as follows: a kind of container clamp and lathe tail fixing device which makes the central hole, including central axis, collet, first roller bearing, second roller bearing, thrust ball bearing, inner flange, outer flange, tie rod, set screw, linear bearing, spring and spring washer; the end surface of the central shaft is provided with a taper hole, and an elastic chuck is arranged on the taper hole; the first roller bearing, the second roller bearing and the thrust ball bearing are arranged on the central shaft; the inner flange is arranged on the outer rings of the first roller bearing, the second roller bearing and the thrust ball bearing; the outer flange is arranged on the boss of the inner flange; the spring is placed on the outer flange; the spring washer is arranged on the boss of the inner flange and is in contact with the spring; the screw rod of the connecting rod passes through the through hole of the inner flange and the through hole of the outer flange and is fixed on the outer flange; the linear bearing is arranged in the through hole of the inner flange and is contacted with the connecting rod and the inner flange; the fixing screw is screwed in the screw hole of the connecting rod.
Furthermore, the central shaft is a Morse taper shaft and is easy to be installed on a tailstock of a machine tool.
Furthermore, a center drill is installed on the elastic chuck and is fixed by a pressing cap.
Furthermore, a round nut is arranged on the central shaft and tightly pressed on an outer ring of the first roller bearing.
Furthermore, a clamping ring is arranged in the inner flange, clamped between the second roller bearing and the thrust ball bearing and contacted with the end faces of the two bearings to keep the inner flange fixed.
Furthermore, the diameter of the through hole of the outer flange is smaller than that of the through hole of the inner flange, and the outer flange is used for fixing the connecting rod.
The using method comprises the following steps:
1) the center drill is mounted on the elastic chuck of the device.
2) The device is arranged on a lathe tailstock through a Morse taper central shaft.
3) And adjusting the fixing screw to match with the dial indicator to clamp and correct the workpiece at the tail end of the lathe.
4) After the adjustment is finished, the lathe is started, and at the moment, the workpiece rotates rapidly under the clamping support of the device. Then the tailstock sleeve is shaken out to move forwards, and the central shaft of the device moves forwards along with the tailstock sleeve to drive the central drill arranged on the elastic chuck to move forwards, so that a central hole is punched on the workpiece.
The invention has the following beneficial effects:
1) the device has the function of clamping common workpieces, and can clamp eccentric parts and drill center holes.
2) The center frame does not need to be installed when the center hole is drilled, the auxiliary time for positioning and correcting the workpiece is reduced, and the production efficiency is improved.
3) The device is convenient to install, light in overall weight, easy to install, convenient, labor-saving and safe, not only improves the labor condition, but also reduces the technical level requirement of workers.
Drawings
FIG. 1 is a cross-sectional view of the present invention.
Fig. 2 is a perspective view of the present invention.
Fig. 3 is a central view of the present invention.
Fig. 4 is a perspective view of the connecting rod of the present invention.
FIG. 5 is an internal flange view of the present invention.
Fig. 6 is an external flange view of the present invention.
The reference numerals in the drawings mean: 1. a central shaft; 2. an inner flange; 3. an outer flange; 4. a linear bearing; 5. a connecting rod; 6. a set screw; 7. a thrust ball bearing; 801. a first roller bearing; 802. a second roller bearing; 9. a round nut; 10. pressing the cap; 11. an elastic collet; 12. a spring washer; 13. a spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and detailed description.
The embodiment provides a lathe tail fixing device for clamping and centering, which comprises a central shaft 1, an elastic chuck 11, a first roller bearing 801, a second roller bearing 802, a thrust ball bearing 7, an inner flange 2, an outer flange 3, a connecting rod 5, a fixing screw 6, a linear bearing 4, a spring 13 and a spring washer 12; the central shaft 1 is divided into a fastener section, a roller bearing section, a thrust ball bearing section and a taper section; the end face of the fastener section of the central shaft 1 is provided with a taper hole, and an elastic chuck 11 is arranged on the taper hole; the first roller bearing 801 and the second roller bearing 802 are installed on a roller bearing section of the central shaft 1, and the thrust ball bearing 7 is installed on a thrust ball bearing section of the central shaft 1; the inner flange 2 is arranged on the outer rings of the first roller bearing 801, the second roller bearing 802 and the thrust ball bearing 7; the outer flange 3 is arranged on the boss of the inner flange 2; the spring 13 is placed on the outer flange 3; the spring washer 12 is screwed on the boss thread of the inner flange 2 and presses the spring 13 together with the outer flange 3; a screw rod of the connecting rod 5 penetrates through the through hole of the inner flange 2 and the through hole of the outer flange 3 and is fixed on the outer flange 3 by a nut; the linear bearing 4 is arranged in a through hole of the inner flange 2 and is in contact with the connecting rod 5 and the inner flange 2; the fixing screw 6 is screwed in the screw hole of the connecting rod 5.
As a preferred example of this embodiment, the center shaft 1 is a No. 5 morse taper shaft, and is easily attached to a tailstock of a machine tool.
As a preferred embodiment, the elastic collet 11 is an ER16 elastic collet.
In a preferred embodiment of the present invention, a No. 5 center drill is mounted on the collet 11 and fixed by a pressing cap 10.
Preferably, in the present embodiment, a snap ring is disposed in the inner flange 2, and the snap ring is clamped between the second roller bearing 802 and the thrust bearing 7, and is in contact with the two bearings to keep the inner flange 2 fixed.
Preferably, the diameter of the through hole of the outer flange 3 is smaller than that of the through hole of the inner flange 2.
The use method of the invention comprises the following steps:
1) a # 5 center drill was mounted on the ER16 spring clip of the present device.
2) The No. 5 Morse taper central shaft 1 of the device is arranged on a lathe tailstock.
3) And the adjusting and fixing screw 6 is matched with a dial indicator to clamp and correct the workpiece at the tail end of the lathe.
4) After the adjustment is finished, the lathe is started, and at the moment, the workpiece rotates rapidly under the clamping support of the device. Then the tailstock sleeve is shaken out to move forwards, the central shaft 1 of the device moves forwards along with the tailstock sleeve, and the No. 5 central drill arranged on the ER16 elastic chuck is driven to move forwards, so that a central hole is punched on a workpiece.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention accordingly, and not to limit the protection scope of the present invention accordingly. All equivalent changes or modifications made in accordance with the spirit of the present disclosure are intended to be covered by the scope of the present disclosure.
Claims (4)
1. A kind of container clamp and lathe tail fixing device which makes the central hole, including the central axis, collet, first roller bearing, second roller bearing, thrust ball bearing, inner flange, outer flange, tie rod, set screw, linear bearing, spring washer; the end surface of the central shaft is provided with a taper hole, and an elastic chuck is arranged on the taper hole; the elastic chuck is provided with a center drill and is fixed by a pressing cap; the first roller bearing, the second roller bearing and the thrust ball bearing are arranged on the central shaft; the inner flange is arranged on the outer rings of the first roller bearing, the second roller bearing and the thrust ball bearing; the outer flange is arranged on the boss of the inner flange; the spring is placed on the outer flange; the spring washer is arranged on the boss of the inner flange and is in contact with the spring; the screw rod of the connecting rod penetrates through the through hole of the inner flange and the through hole of the outer flange and is fixed on the outer flange, and the diameter of the through hole of the outer flange is smaller than that of the through hole of the inner flange; the linear bearing is arranged in the through hole of the inner flange and is contacted with the connecting rod and the inner flange; the fixing screw is screwed in the screw hole of the connecting rod.
2. The apparatus of claim 1, wherein said central shaft is a morse taper shaft.
3. The apparatus of claim 1, wherein a circular nut is provided on the central shaft, and the circular nut is pressed against the outer race of the first roller bearing.
4. The clamp and center hole lathe tail fixture as claimed in claim 1, wherein a snap ring is provided in said inner flange, said snap ring being clamped between said second roller bearing and said thrust ball bearing and contacting both bearing end faces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811033601.7A CN109290830B (en) | 2018-09-05 | 2018-09-05 | Lathe tail fixing device for clamping and centering container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811033601.7A CN109290830B (en) | 2018-09-05 | 2018-09-05 | Lathe tail fixing device for clamping and centering container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109290830A CN109290830A (en) | 2019-02-01 |
| CN109290830B true CN109290830B (en) | 2021-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811033601.7A Active CN109290830B (en) | 2018-09-05 | 2018-09-05 | Lathe tail fixing device for clamping and centering container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109290830B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2304429A1 (en) * | 1975-03-19 | 1976-10-15 | Bertrand Andre | Centre drilling machine for shafts - has chuck secured to face plate on hollow spindle with bearings for axially movable drill shaft |
| US4583432A (en) * | 1984-11-01 | 1986-04-22 | Amp Incorporated | Supercentering workpiece holder |
| CN101513676B (en) * | 2009-03-13 | 2012-04-25 | 常州天山重工机械有限公司 | Lathe tail fixing device for clamping workpiece |
| JP5087066B2 (en) * | 2009-11-27 | 2012-11-28 | 本田技研工業株式会社 | Lathe chuck and work machining method using the lathe chuck |
| CN103737406B (en) * | 2013-12-30 | 2016-03-23 | 四川江油中恒特钢有限公司 | For automobile axle driving gear clamp dedicated for machining |
| CN104354043A (en) * | 2014-11-07 | 2015-02-18 | 池州市大正机械制造有限责任公司 | All-purpose clamping device for lathe |
| CN205967443U (en) * | 2016-05-26 | 2017-02-22 | 昆明嘉和科技股份有限公司 | Horizontal lathe tailstock is with little four paws anchor clamps |
| CN106112058B (en) * | 2016-08-30 | 2017-12-29 | 辽宁五一八内燃机配件有限公司 | A kind of method using lathe process central hole of the crankshaft |
-
2018
- 2018-09-05 CN CN201811033601.7A patent/CN109290830B/en active Active
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| Publication number | Publication date |
|---|---|
| CN109290830A (en) | 2019-02-01 |
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