CN101898252A - Internal hole-positioning centre frame and novel lathe - Google Patents
Internal hole-positioning centre frame and novel lathe Download PDFInfo
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- CN101898252A CN101898252A CN 201010223816 CN201010223816A CN101898252A CN 101898252 A CN101898252 A CN 101898252A CN 201010223816 CN201010223816 CN 201010223816 CN 201010223816 A CN201010223816 A CN 201010223816A CN 101898252 A CN101898252 A CN 101898252A
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- centering chuck
- tailstock
- bearing
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Abstract
The invention discloses an internal hole-positioning centre frame and a novel lathe. The internal hole-positioning centre frame comprises a tail bed connector and a self-centering chuck which are connected into a whole, wherein a main driving bevel gear, a wire coil meshed with the main driving bevel gear, and a clamping jaw body in transmission connection with the wire coil are arranged in the self-centering chuck; the clamping jaw body is positioned on the external end face of the self-centering chuck; bearing positioning shafts are arranged on the external end face of the clamping jaw body respectively; a centripetal rolling bearing is arranged on the bearing positioning shafts respectively; and a common tangent circle of the outer ring of the centripetal rolling bearing is concentric with the self-centering chuck. The centre frame has the advantages of simple structure, convenient operation and flexible use. The novel lathe adopting the internal hole-positioning centre frame can greatly improve the yield of machined products, save the production cost and reduce the equipment cost of a complete machine and has better economic and social benefits.
Description
Technical field
The invention belongs to machining machinery technical field, particularly a kind of and lathe matching used endoporus centre of location frame and novel lathe.
Background technology
In the last few years, hydraulic support had become the main support apparatus of coal mine fully-mechanized mining working, and the most important support unit of hydraulic support is a column, and it is bearing whole supporting forces of back, and therefore, the crudy of hydraulic support column oil cylinder requires to carry not high.The column oil cylinder is made up of parts such as cylinder barrel, fairlead and piston rods, and the axiality of position such as the internal thread that the cylinder barrel front end is connected with fairlead, inner sealing surface and internal channel and cylinder barrel endoporus is had relatively high expectations.For internal thread, inner sealing surface and the internal channel that accurately processes the cylinder barrel front end, must process the technology frame nest that the lathe centre frame is used earlier, and require technology frame nest (being the face of cylinder) and cylinder barrel endoporus coaxial (axiality≤φ 0.05mm).
At present, use the method for machined into technology frame nest as shown in Figure 1 to be: with three-jaw self-centering chuck 1 its endoporus of left end stretching from cylinder barrel 2, hold out against its endoporus with top 4 right-hand members from cylinder barrel 2 of the umbellate form on the tailstock 5, turning lathe centre frame is used the face of cylinder 3 of technology frame nest.Because the right side of cylinder barrel 2 can not be absolute vertical with the axis of cylinder barrel 2, therefore, utilize lathe centre frame that the method for equipment shown in Figure 1 and employing thereof processes can't satisfy axiality requirement with the cylinder barrel endoporus, and then adopt the axiality of cylinder barrel internal thread, inner sealing surface and the internal channel of the processing of lathe centre frame of this technology frame nest and cylinder barrel endoporus also to be difficult to reach the specification requirement of drawing with technology frame nest.
Summary of the invention
The objective of the invention is at above-mentioned deficiency, a kind of endoporus centre of location frame and novel lathe are provided, it is simple in structure, can improve machined finished product rate, save production cost, reduce the whole set equipment expense.
For achieving the above object, technical scheme of the present invention is: a kind of endoporus centre of location frame, comprise tailstock connector and self-centering chuck, and self-centering chuck and tailstock connector are connected as a single entity; The parcel that differential bevel wheel is installed in the self-centering chuck, is meshed with differential bevel wheel, the jaw body that links to each other with the parcel transmission, jaw body is positioned on the outer face of self-centering chuck; Be respectively equipped with the bearing locating shaft on the jaw body outer face, be separately installed with radial antifriction bearing on the bearing locating shaft, the public circle of contact of radial antifriction bearing outer ring is concentric with self-centering chuck.
Described jaw body is three, and it is distributed on the outer face of self-centering chuck.
Described bearing locating shaft equal diameters, radial antifriction bearing equal diameters, the circle at place, bearing locating shaft axle center is concentric with self-centering chuck.
The locating surface and the self-centering chuck of described tailstock connector join, and are connected by attachment screw.
A kind of novel lathe, comprise that lathe frame, lathe frame left end are connected with three-jaw self-centering chuck, right-hand member is provided with tailstock, described tailstock inboard is connected with endoporus centre of location frame, described endoporus centre of location frame comprises tailstock connector and self-centering chuck, and self-centering chuck and tailstock connector are connected as a single entity; The parcel that differential bevel wheel is installed in the self-centering chuck, is meshed with differential bevel wheel, the jaw body that links to each other with the parcel transmission, jaw body is positioned on the outer face of self-centering chuck; Be respectively equipped with the bearing locating shaft on the jaw body outer face, be separately installed with radial antifriction bearing on the bearing locating shaft, the public circle of contact of radial antifriction bearing outer ring is concentric with self-centering chuck.
Described jaw body is three, and it is distributed on the outer face of self-centering chuck.
Described bearing locating shaft equal diameters, radial antifriction bearing equal diameters, the circle at place, bearing locating shaft axle center is concentric with self-centering chuck.
The locating surface and the self-centering chuck of described tailstock connector join, and are connected by attachment screw.
Be provided with inner conical drogue in the described tailstock, inner conical drogue left end and tailstock connector are connected, and the inner conical drogue right-hand member connects hand the wheel or hydraulic control system or atmospheric control.
Described self-centering chuck is manual control or hydraulic control or pneumatic control; Be provided with inner conical drogue in the described tailstock, inner conical drogue left end and tailstock connector are connected, and inner conical drogue right-hand member and tailstock are connected, and the tailstock afterbody links to each other with hydraulic control system or atmospheric control.
Compared with prior art, the present invention has following beneficial effect:
1, differential bevel wheel, the parcel that is meshed with differential bevel wheel, the jaw body that links to each other with the parcel transmission are installed in the self-centering chuck, be respectively equipped with the bearing locating shaft on the jaw body outer face, be separately installed with radial antifriction bearing on the bearing locating shaft, the public circle of contact of radial antifriction bearing outer ring is concentric with self-centering chuck, simple in structure, be convenient to operation, use flexibly, the endoporus of outer ring and workpiece to be processed by three cover radial antifriction bearings is inscribe mutually, determine the central point of workpiece to be processed endoporus, thereby guarantee that the workpiece that processes has higher axiality.
2, adopt the novel lathe of endoporus centre of location frame, simple in structure, be convenient to operation, use flexibly, can improve machined finished product rate greatly, save production cost, reduce the whole set equipment expense, have favorable economic benefit and social benefit.
Description of drawings
Fig. 1 is the prior art constructions schematic diagram;
Fig. 2 is the structural representation of endoporus centre of location frame;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the structural representation of novel lathe.
The specific embodiment
Endoporus centre of location frame as shown in Figures 2 and 3, it comprises tailstock connector 6 and self-centering chuck 9, the Morse taper shank 61 of tailstock connector 6 guarantees coaxial with the locating surface 8 of tailstock connector 6 left ends, locating surface 8 matches with the endoporus of self-centering chuck 9, and by attachment screw 7 self-centering chuck 9 and tailstock connector 6 is connected as a single entity.Differential bevel wheel 14, parcel 13 and jaw body 10 are installed in self-centering chuck 9, and parcel 13 is meshed with differential bevel wheel 14, and jaw body 10 links to each other by the rectangular thread transmission with parcel 13.Three jaw body 10 are distributed on the outer face of self-centering chuck 9, on the outer face of jaw body 10, be respectively equipped with bearing locating shaft 11, be separately installed with radial antifriction bearing 12 on the bearing locating shaft 11, the equal diameters of the equal diameters of bearing locating shaft 11, radial antifriction bearing 12, guarantee that bearing locating shaft 11 is relative concentric with self-centering chuck 9, the circle at place, axle center that is bearing locating shaft 11 is concentric with self-centering chuck 9, purpose be for the public circle of contact that guarantees radial antifriction bearing 12 outer rings concentric with self-centering chuck 9.
During use, rotate differential bevel wheel 14 with spanner, thereby drive parcel 13 rotations that are meshed with it, parcel 13 drives three jaw body 10 by screw thread and moves simultaneously, the radial antifriction bearing 12 that the bearing locating shaft 11 that is connected with jaw body 10 drives on it moves in or out synchronously, realizes self-centering, stretching to the cylinder tube endoporus.
Novel lathe as shown in Figure 4, it comprises lathe frame 16, three-jaw self-centering chuck 1 and tailstock 5, and three-jaw self-centering chuck 1 is arranged on the left end of lathe frame 16, and tailstock 5 is arranged on the right-hand member of lathe frame 16.Be connected with endoporus centre of location frame 15 in tailstock 5 inboards, described endoporus centre of location frame 15 comprises tailstock connector 6 and self-centering chuck 9, the Morse taper shank 61 of tailstock connector 6 guarantees coaxial with the locating surface 8 of tailstock connector 6 left ends, locating surface 8 matches with the endoporus of self-centering chuck 9, and by attachment screw 7 self-centering chuck 9 and tailstock connector 6 is connected as a single entity.Differential bevel wheel 14, parcel 13 and jaw body 10 are installed in self-centering chuck 9, and parcel 13 is meshed with differential bevel wheel 14, and jaw body 10 links to each other by the rectangular thread transmission with parcel 13.Three jaw body 10 are distributed on the outer face of self-centering chuck 9, on the outer face of jaw body 10, be respectively equipped with bearing locating shaft 11, be separately installed with radial antifriction bearing 12 on the bearing locating shaft 11, the equal diameters of the equal diameters of bearing locating shaft 11, radial antifriction bearing 12, guarantee that bearing locating shaft 11 is relative concentric with self-centering chuck 9, the circle at place, axle center that is bearing locating shaft 11 is concentric with self-centering chuck 9, purpose be for the public circle of contact that guarantees radial antifriction bearing 12 outer rings concentric with self-centering chuck 9.Inner conical drogue 17 tight fits in the Morse taper shank 61 of tailstock connector 6 and the tailstock 5 are connected mutually, and endoporus centre of location frame 15 is moved along the lathe guide rail is forward and backward with tailstock 5.Inner conical drogue 17 outer ends connect handly takes turns 18, is convenient to operate endoporus centre of location frame 15 and advances or retreat, and the axial distance that radial antifriction bearing 12 enters cylinder barrel 2 right-hand member endoporus is moved forward or backward and realized by the hand 18 control inner conical drogues 17 of taking turns.
Lathe shown in Figure 4 in use, at first, left end endoporus with three-jaw self-centering chuck 1 stretching column cylinder tube 2 to be processed, operate the hand 18 adjustment radial antifriction bearings 12 of taking turns and enter the axial distance of cylinder barrel 2 right-hand member endoporus, and make the right-hand member endoporus of radial antifriction bearing 12 stretchings column cylinder tube 2 to be processed; Secondly, the three-jaw self-centering chuck 1 that rotates with lathe spindle drives cylinder barrel 2 rotations, the self-centering chuck 9 of right-hand member endoporus centre of location frame 15 is motionless, three of assembling cover radial antifriction bearings 12 rotate synchronously with cylinder barrel 2 on the self-centering chuck 9, the right-hand member endoporus of outer ring and the cylinder barrel 2 of three cover radial antifriction bearings 12 is inscribe mutually, determined the central point of cylinder barrel 2 right-hand member endoporus, thereby guaranteed that the centre frame that processes is coaxial with the endoporus of cylinder barrel 2 with the face of cylinder 3 of technology frame nest.
The face of cylinder 3 of technology frame nest is coaxial with the endoporus of cylinder barrel 2, and next step uses the face of cylinder 3 of this technology frame nest of centre frame frame for turner, processes high-quality cylinder barrel front end internal thread, inner sealing surface and internal channel technical guarantee is provided.
Be not limited to above-mentioned embodiment: the self-centering chuck 9 of endoporus centre of location frame 15 of the present invention is not limited to manually operated self-centering chuck, also can be the self-centering chuck of hydraulic pressure or pneumatic control, make three jaw body 10 drive three radial antifriction bearings 12 and strut and withdraw, to realize self-centering, stretching cylinder tube 2 endoporus.Simultaneously, the endoporus centre of location frame 15 of lathe of the present invention is not limited to by hand and takes turns 18 manual operations, also can be hydraulic pressure or pneumatic control, be that inner conical drogue 17 outer ends are not provided with and handly take turns 18, but inner conical drogue 17 directly links to each other with hydraulic pressure or pneumatic means, by 17 reaches of hydraulic pressure or atmospheric control control inner conical drogue with retreat, move forward and backward thereby drive endoporus centre of location frame 15, determine that radial antifriction bearing 12 enters the axial distance of cylinder barrel 2 right-hand member endoporus.In addition, Morse taper shank 61 tight fits of inner conical drogue 17 left ends and tailstock connector 6 are connected, inner conical drogue 17 right-hand members and tailstock 5 are connected, the afterbody of tailstock 5 is not provided with handly takes turns 18, but be connected with hydraulic pressure or atmospheric control, control tailstock 5 moves along the lathe guide rail is forward and backward, regulates the axial distance that radial antifriction bearing 12 enters cylinder barrel 2 right-hand member endoporus thereby drive endoporus centre of location frame 15 moves forward and backward.
Claims (10)
1. endoporus centre of location frame, it is characterized in that: comprise tailstock connector and self-centering chuck, self-centering chuck and tailstock connector are connected as a single entity; The parcel that differential bevel wheel is installed in the self-centering chuck, is meshed with differential bevel wheel, the jaw body that links to each other with the parcel transmission, jaw body is positioned on the outer face of self-centering chuck; Be respectively equipped with the bearing locating shaft on the jaw body outer face, be separately installed with radial antifriction bearing on the bearing locating shaft, the public circle of contact of radial antifriction bearing outer ring is concentric with self-centering chuck.
2. endoporus centre of location frame as claimed in claim 1 is characterized in that: described jaw body is three, and it is distributed on the outer face of self-centering chuck.
3. endoporus centre of location frame as claimed in claim 2 is characterized in that: described bearing locating shaft equal diameters, radial antifriction bearing equal diameters, the circle at place, bearing locating shaft axle center is concentric with self-centering chuck.
4. as arbitrary described endoporus centre of location frame among the claim 1-3, it is characterized in that: the locating surface and the self-centering chuck of described tailstock connector join, and are connected by attachment screw.
5. novel lathe, comprise that lathe frame, lathe frame left end are connected with three-jaw self-centering chuck, right-hand member is provided with tailstock, it is characterized in that: described tailstock inboard is connected with endoporus centre of location frame, described endoporus centre of location frame comprises tailstock connector and self-centering chuck, and self-centering chuck and tailstock connector are connected as a single entity; The parcel that differential bevel wheel is installed in the self-centering chuck, is meshed with differential bevel wheel, the jaw body that links to each other with the parcel transmission, jaw body is positioned on the outer face of self-centering chuck; Be respectively equipped with the bearing locating shaft on the jaw body outer face, be separately installed with radial antifriction bearing on the bearing locating shaft, the public circle of contact of radial antifriction bearing outer ring is concentric with self-centering chuck.
6. novel lathe as claimed in claim 5 is characterized in that: described jaw body is three, and it is distributed on the outer face of self-centering chuck.
7. novel lathe as claimed in claim 6 is characterized in that: described bearing locating shaft equal diameters, radial antifriction bearing equal diameters, the circle at place, bearing locating shaft axle center is concentric with self-centering chuck.
8. as arbitrary described novel lathe among the claim 5-7, it is characterized in that: the locating surface and the self-centering chuck of described tailstock connector join, and are connected by attachment screw.
9. novel lathe as claimed in claim 8 is characterized in that: be provided with inner conical drogue in the described tailstock, inner conical drogue left end and tailstock connector are connected, and the inner conical drogue right-hand member connects hand the wheel or hydraulic control system or atmospheric control.
10. novel lathe as claimed in claim 8 is characterized in that: described self-centering chuck is manual control or hydraulic control or pneumatic control; Be provided with inner conical drogue in the described tailstock, inner conical drogue left end and tailstock connector are connected, and inner conical drogue right-hand member and tailstock are connected, and the tailstock afterbody links to each other with hydraulic control system or atmospheric control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010223816 CN101898252A (en) | 2010-07-12 | 2010-07-12 | Internal hole-positioning centre frame and novel lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010223816 CN101898252A (en) | 2010-07-12 | 2010-07-12 | Internal hole-positioning centre frame and novel lathe |
Publications (1)
| Publication Number | Publication Date |
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| CN101898252A true CN101898252A (en) | 2010-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010223816 Pending CN101898252A (en) | 2010-07-12 | 2010-07-12 | Internal hole-positioning centre frame and novel lathe |
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| CN (1) | CN101898252A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430919A (en) * | 2011-11-02 | 2012-05-02 | 山东常林机械集团股份有限公司 | Plunger assembly rolling and loosening fixture and use method thereof |
| CN104117696A (en) * | 2014-07-16 | 2014-10-29 | 宁波夏拓机械装备有限公司 | Cutter bar tailstock for clamping taper sleeves |
| CN108436106A (en) * | 2018-04-02 | 2018-08-24 | 广东东运科技印刷设备有限公司 | A kind of Che Kongji being readily adapted to accommodate work pieces process |
| CN110125847A (en) * | 2019-06-28 | 2019-08-16 | 范梅伦 | A kind of self-centering fixture |
| CN112157932A (en) * | 2020-09-22 | 2021-01-01 | 厦门健康伦自动仪器有限公司 | Processing technology for ensuring concentricity of inner circle and outer circle in plastic transmission gear processing |
| CN112207597A (en) * | 2020-09-03 | 2021-01-12 | 福建省威诺数控有限公司 | Floating taper sleeve centering clamp |
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| US5282403A (en) * | 1992-07-30 | 1994-02-01 | Rouleau Georges O | Guide apparatus for an elongated workpiece |
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| DE102006020274B4 (en) * | 2006-04-27 | 2008-01-10 | Hirschmann Gmbh | Adjustable clamping element |
| CN201012470Y (en) * | 2007-03-28 | 2008-01-30 | 江苏省无锡建华机床厂 | Improved 4-claw self-centering chuck |
| CN101239403A (en) * | 2008-03-17 | 2008-08-13 | 吉林省鸿源机床制造有限责任公司 | Digital control helical turning-milling machine |
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| CN201702379U (en) * | 2010-07-12 | 2011-01-12 | 河南宇建矿业技术有限公司 | Bore positioning centre rest and novel lathe |
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2010
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114526U (en) * | 1991-01-21 | 1992-09-02 | 陈永年 | Circumference shaft hole fixing soft claw |
| US5282403A (en) * | 1992-07-30 | 1994-02-01 | Rouleau Georges O | Guide apparatus for an elongated workpiece |
| CN2873370Y (en) * | 2006-02-08 | 2007-02-28 | 竤基精机厂有限公司 | Improved clamp structure |
| DE102006020274B4 (en) * | 2006-04-27 | 2008-01-10 | Hirschmann Gmbh | Adjustable clamping element |
| CN201012470Y (en) * | 2007-03-28 | 2008-01-30 | 江苏省无锡建华机床厂 | Improved 4-claw self-centering chuck |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430919A (en) * | 2011-11-02 | 2012-05-02 | 山东常林机械集团股份有限公司 | Plunger assembly rolling and loosening fixture and use method thereof |
| CN104117696A (en) * | 2014-07-16 | 2014-10-29 | 宁波夏拓机械装备有限公司 | Cutter bar tailstock for clamping taper sleeves |
| CN104117696B (en) * | 2014-07-16 | 2016-05-18 | 宁波夏拓机械装备有限公司 | A kind of knife bar tailstock with tapered sleeve clamping |
| CN108436106A (en) * | 2018-04-02 | 2018-08-24 | 广东东运科技印刷设备有限公司 | A kind of Che Kongji being readily adapted to accommodate work pieces process |
| CN110125847A (en) * | 2019-06-28 | 2019-08-16 | 范梅伦 | A kind of self-centering fixture |
| CN112207597A (en) * | 2020-09-03 | 2021-01-12 | 福建省威诺数控有限公司 | Floating taper sleeve centering clamp |
| CN112157932A (en) * | 2020-09-22 | 2021-01-01 | 厦门健康伦自动仪器有限公司 | Processing technology for ensuring concentricity of inner circle and outer circle in plastic transmission gear processing |
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Application publication date: 20101201 |