CN102009192A - Machine tool spindle box capable of realizing bi-directional clamping - Google Patents
Machine tool spindle box capable of realizing bi-directional clamping Download PDFInfo
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- CN102009192A CN102009192A CN 201010566277 CN201010566277A CN102009192A CN 102009192 A CN102009192 A CN 102009192A CN 201010566277 CN201010566277 CN 201010566277 CN 201010566277 A CN201010566277 A CN 201010566277A CN 102009192 A CN102009192 A CN 102009192A
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- main shaft
- piston
- anchor clamps
- endoporus
- spindle box
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Abstract
The invention relates to a lathe spindle box, in particular to a machine tool spindle box capable of realizing bi-directional clamping. The spindle box comprises a spindle box body and a spindle device arranged in the spindle box body, wherein, the spindle device is composed of a belt pulley arranged on one end of a spindle and clamps arranged on the spindle. The spindle box is characterized in that the clamps are arranged on two ends of the spindle; a hydraulic clamping device connected with the two clamps is arranged in the spindle between the two clamps; and the spindle box is equipped with an oil inlet and an oil outlet which are connected with the hydraulic clamping device. The spindle box provided by the invention has the characteristics of less one-time investment, high machining efficiency, wide application scope of machining dimension of the machine tool, high axiality of machined parts and the like; and the spindle box is very applicable to the numerically-controlled machine tool and especially the special numerically-controlled machine tool.
Description
Technical field
The present invention relates to a kind of Lathe Spindle Box, particularly a kind of lathe headstock of realizing two-way clamping.
Background technology
In recent years, along with the fast development of Digit Control Machine Tool, each lathe producer has released Digit Control Machine Tool product separately one after another, and these products can satisfy most of user's demand.The product that but lathe manufacturing firm is generally the user to be provided all is based on universal machine tools, does not provide and, special use efficient, high-precision at required some of some specific processing parts of user or specialized machine tool often have manufacturer.With numerically controlled lathe, its main spindle box of universal numerical control lathe has only an end that anchor clamps are housed, thereby part can only be finished turning processing at the one end, as if the part that all need process at two ends, traditional process is first processing parts one end and then turns around to process the other end, because workpiece to be machined is to be installed for twice by the back of turning around to finish processing, the part of having relatively high expectations for axiality often is difficult to reach required precision.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of and at the main shaft two ends anchor clamps are installed all, the part to be processed clamping once can be finished the lathe headstock of realizing two-way clamping of the processing technology such as cylindrical, end face, endoporus at two ends simultaneously.
For achieving the above object, technical scheme of the present invention is: a kind of lathe headstock of realizing two-way clamping, comprise the main shaft casing, be installed in the main shaft device in the main shaft casing, this main shaft device is made up of belt pulley that is installed in main shaft one end and the anchor clamps that are installed on the main shaft, it is characterized in that anchor clamps all being installed at the main shaft two ends, the hydraulic clamp that links to each other with two anchor clamps is installed in the main shaft between two anchor clamps, on main spindle box, be equipped with link to each other with above-mentioned hydraulic clamp into and out of hydraulic fluid port.
The above-mentioned anchor clamps that are installed in the main shaft two ends are the collet-type anchor clamps, the gripping sleeve of the band male cone (strobilus masculinus) in these anchor clamps is installed in respectively in the endoporus at main shaft two ends, and the gripping sleeve afterbody at two ends interconnects, wherein the gripping sleeve of an end is connected by key with main shaft, install at main shaft on the gripping sleeve of pulley end, match the mobile cover of band inner conical surface is installed, piston is fixed on the periphery of above-mentioned mobile cover, the periphery of piston is tightly connected with corresponding main shaft endoporus, at the main shaft end face corresponding sealing flange is installed with piston, have the turnover oilhole on the pairing main shaft of airtight oil pocket of piston both sides and main shaft and sealing flange formation, the mobile cover with gripping sleeve matches of the main shaft other end is fixedlyed connected with main shaft.
Be that the above-mentioned anchor clamps that are installed in the main shaft two ends are the three-jaw jig, two annular pistons are installed in the main shaft endoporus, removable being tightly connected of the external disc of the endoporus of annular piston and trunk-piston, form airtight cavity between the opposite face of two annular pistons and main shaft endoporus and the trunk-piston body, on the main shaft corresponding, have oilhole with cavity; In the annular piston space relative with each claw, " L " shape fork all is installed, the two ends of " L " shape fork link to each other with annular piston with claw respectively; At the main shaft two ends tubular pedestal is installed, what claw can move radially is installed on the tubular pedestal, the middle part of " L " shape fork fixes on the tubular pedestal by hinges fixing, form airtight cavity between tubular pedestal, main shaft endoporus and the annular piston, have the turnover oilhole on the main shaft corresponding with this airtight cavity.
It is to adopt to be threaded that the cover afterbody of above-mentioned two gripping sleeves interconnects.
Being connected between the two ends of above-mentioned " L " shape fork and claw and the annular piston is to adopt to have elongated slot at claw and annular piston corresponding position, and the two ends of " L " shape fork are placed on the connected mode in the elongated slot.
Technical scheme of the present invention has following characteristics: 1, a machine tool is equivalent to two lathes.Because the present invention all is equipped with anchor clamps at the main shaft two ends, after once being installed, can finish the processing of main shaft two ends part simultaneously, operating efficiency is equivalent to two lathes, and disposable input of lathe, floor space, cost of labor etc., half of lathe of having only present processing part of the same type, and production efficiency is enhanced about more than once; 2, can significantly improve the precision of the machining accuracy of part to be processed, particularly axiality.When part to be processed is axial workpiece, because the processing that need not to turn around just can once be finished the processing at axial workpiece two ends, improved the axiality of part processing on the one hand, reduced the process that is installed of a part on the other hand; 3, this device is that main shaft device, chucking oil cylinder and anchor clamps three are placed in the short main shaft, the needs that casual labourer's part two ends clamp simultaneously and process have been realized, when processing than farm labourer's part, two playscript with stage directions devices can be installed on bed piece simultaneously, both two main shafts were installed, processed.
In sum, this device has that disposable less investment, working (machining) efficiency height, machine tooling size accommodation are big, the characteristics such as axiality height of part to be processed, is highly suitable for Digit Control Machine Tool, particularly uses on the specialized nc machine tool.
Description of drawings
Accompanying drawing 1 is the structural representation of the embodiment of the invention 1;
Accompanying drawing 2 is the structural representation of the embodiment of the invention 2.
The specific embodiment
Embodiment 1:
As shown in Figure 1, main shaft 3 is equipped with the belt pulley 2 that drives main axis rotation by bearing 12 rotatable being fixedly mounted in the main spindle box 1 at the main shaft left end.The collet-type anchor clamps are installed in the endoporus at two ends, the main shaft left and right sides, these collet-type anchor clamps are formed by the gripping sleeve of band male cone (strobilus masculinus) with the mobile cover that gripping sleeve matches, left end gripping sleeve 7 and right-hand member gripping sleeve 11 relative afterbodys interconnect by screw thread and are integral, and just the left end of the right-hand member of left end gripping sleeve 7 and right-hand member gripping sleeve 11 interconnects by screw thread and is integral.Move at the left end that main shaft and left end gripping sleeve 7 match on the periphery of cover 13 and be fixed with piston 6, the periphery of piston 6 and left end main shaft endoporus are tightly connected, the right side oil pocket 14 that forms an annular between the cover is moved with corresponding main shaft endoporus and left end in the right side of piston, has the turnover oilhole on the main shaft corresponding with the right side oil pocket; Sealing flange 4 is installed on the main shaft left side, and the left side of piston and sealing flange and left end move the left side oil pocket 5 that forms an annular between the cover, have the turnover oilhole on the main shaft corresponding with the left side oil pocket; On the main spindle box with above-mentioned main shaft on two turnover oilhole corresponding positions, the oil inlet and outlet that links to each other with hydraulic system is installed.Move cover 9 with right-hand member that right-hand member gripping sleeve 11 matches and fixedly connected, interconnect by key 10 between right-hand member gripping sleeve 11 and the main shaft, the rotation of main shaft is passed to gripping sleeve with the main shaft right side.Bearing gland 8 is airtight with the main shaft right-hand member.
During use, workpiece to be machined is through in the gripping sleeve, start and step up hydraulic system, this moment, hydraulic oil entered right side oil pocket 14, and the promotion left end moves cover 13 and is moved to the left, when driving left end gripping sleeve 7 clamping work pieces, left end gripping sleeve 7 is moved to the left, and drives right-hand member gripping sleeve 11 and is moved to the left, and fixes with the main shaft right side because right-hand member moves cover 9, thereby right-hand member gripping sleeve 11 is also clamped workpiece, realized the two-way clamping of workpiece.After the process finishing, the work of clamping hydraulic system reverse, pressure oil enters left side oil pocket 5, the promotion left end moves cover 13 and moves right, left end gripping sleeve 7 unclamps workpiece under the effect of elastic force, promotes the right-hand member gripping sleeve simultaneously and moves right, and the gripping sleeve that makes right-hand member is under the effect of elastic force, also unclamp, but this moment is with regard to workpiece loading and unloading.
Embodiment 2:
Present embodiment is that the anchor clamps with embodiment 1 become the three-jaw anchor clamps by the collet-type anchor clamps.
As shown in Figure 2, main shaft 3 is by bearing 12 rotatable being fixedly mounted in the main spindle box 1, two ends, the left and right sides at main shaft are installed with tubular pedestal 15, on the tubular pedestal that is installed in two ends, the left and right sides that claw 17 in the three-jaw jig can radially move, two annular pistons about in the main shaft endoporus, being equipped with, removable being tightly connected of periphery of the endoporus of annular piston and trunk-piston body 20.Form airtight cavity between the periphery of the opposite face of left end annular piston 24 and right-hand member annular piston 22 and main shaft endoporus and trunk-piston body, on the main shaft corresponding, have oilhole 23 with cavity; In the space of corresponding of annular piston and each claw, " L " shape fork 18 all is installed, the two ends of each " L " shape fork are installed in respectively in the elongated slot of claw and annular piston corresponding section opening, and the middle part of " L " shape fork is fixed in the tubular pedestal by hinge 19; Between the tubular pedestal at main shaft two ends and main shaft endoporus and annular piston, form airtight cavity 21, have the turnover oilhole on the main shaft corresponding with this airtight cavity.
During use, workpiece to be machined is passed in three-jaw jig and the trunk-piston body 20, start and step up hydraulic system, in the cavity about this moment, hydraulic oil entered by oilhole 23 between two annular pistons, promote two annular pistons at two ends, the left and right sides, move to the left and right respectively, driving left end " L " shape fork rotates counterclockwise along hinge 19, drive right-hand member " L " shape fork and clockwise rotate along hinge 19, thus drive claw 17 along main shaft diameter to moving to the center, realize the purpose of clamping work pieces.Because tubular pedestal 15 is fixedly mounted on the end face of main shaft, rotatablely moving of main shaft passes to workpiece by tubular pedestal, claw 17.After two-way clamping, the process finishing, the work of clamping hydraulic system reverse, pressure oil is by the turnover oilhole on the main shaft, enter and form in the airtight cavity 21 between two ends, main shaft left and right sides tubular end cap, main shaft endoporus and the annular piston, two annular pistons are thought to move in the middle of the main shaft about promotion, drive the reverse rotation of " L " shape fork, make claw 17 unclamp workpiece, but this moment is with regard to workpiece loading and unloading.In order to install and locate needs, end face is equipped with end cap 16 in the left and right sides of main shaft, and claw 17 is enclosed in the main shaft.
This device the shortlyest can be implemented two-way clamping, two-way processing to the workpiece about 200 ㎜ in above-mentioned two embodiment.When the length of workpiece surpasses 500 ㎜, two these lathe headstocks of cover can be installed on bed piece simultaneously, just can realize two main shaft processing.
This device is fit to be installed on the specialized nc machine tool very much.
Claims (5)
1. the lathe headstock that can realize two-way clamping, comprise the main shaft casing, be installed in the main shaft device in the main shaft casing, this main shaft device is made up of belt pulley that is installed in main shaft one end and the anchor clamps that are installed on the main shaft, it is characterized in that anchor clamps all being installed at main shaft (3) two ends, the hydraulic clamp that links to each other with two anchor clamps is installed in the main shaft between two anchor clamps, on main spindle box (1), be equipped with link to each other with above-mentioned hydraulic clamp into and out of hydraulic fluid port.
2. the lathe headstock of realizing two-way clamping according to claim 1, it is characterized in that the above-mentioned anchor clamps that are installed in main shaft (3) two ends are the collet-type anchor clamps, the gripping sleeve of the band male cone (strobilus masculinus) in these anchor clamps is installed in respectively in the endoporus at main shaft two ends, and the gripping sleeve at two ends interconnects, wherein the gripping sleeve of an end is connected by key (10) with main shaft, install at main shaft on the gripping sleeve of belt pulley (2) end, match the mobile cover of band inner conical surface is installed, piston (6) is fixed on the periphery of above-mentioned mobile cover, the periphery of piston is tightly connected with corresponding main shaft endoporus, at the main shaft end face corresponding sealing flange (4) is installed with piston, have the turnover oilhole on the pairing main shaft of airtight oil pocket of piston both sides and main shaft and sealing flange formation, the mobile cover with gripping sleeve matches of the main shaft other end is fixedlyed connected with main shaft.
3. the lathe headstock of realizing two-way clamping according to claim 1, it is characterized in that the above-mentioned anchor clamps that are installed in main shaft (3) two ends are the three-jaw jig, two annular pistons are installed in the main shaft endoporus, the endoporus of annular piston and removable being tightly connected of trunk-piston body (20) periphery, form airtight cavity between the opposite face of two annular pistons and main shaft endoporus and the trunk-piston body, on the main shaft corresponding, have oilhole (23) with cavity; In the annular piston space relative with each claw (17), " L " shape fork (18) all is installed, the two ends of " L " shape fork link to each other with annular piston with claw (17) respectively; Tubular pedestal (15) is installed at the main shaft two ends, what claw (17) can move radially is installed on the tubular pedestal, the middle part of " L " shape fork is fixed on the tubular pedestal by hinge (19), form airtight cavity (21) between tubular pedestal, main shaft endoporus and the annular piston, have the turnover oilhole on the main shaft corresponding with this airtight cavity.
4. it is to adopt to be threaded that the lathe headstock of realizing two-way clamping according to claim 2, the cover afterbody that it is characterized in that above-mentioned two gripping sleeves interconnect.
5. the lathe headstock of realizing two-way clamping according to claim 3, being connected between the two ends that it is characterized in that above-mentioned " L " shape fork and claw (17) and the annular piston is to adopt to have elongated slot at claw (17) and annular piston corresponding position, and the two ends of " L " shape fork are placed on the interior connected mode of elongated slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010566277 CN102009192A (en) | 2010-11-30 | 2010-11-30 | Machine tool spindle box capable of realizing bi-directional clamping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010566277 CN102009192A (en) | 2010-11-30 | 2010-11-30 | Machine tool spindle box capable of realizing bi-directional clamping |
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| Publication Number | Publication Date |
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| CN102009192A true CN102009192A (en) | 2011-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010566277 Pending CN102009192A (en) | 2010-11-30 | 2010-11-30 | Machine tool spindle box capable of realizing bi-directional clamping |
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| CN (1) | CN102009192A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014451A (en) * | 2014-04-19 | 2015-11-04 | 建湖县海盛机械制造有限公司 | Wedge pushing type two-way spindle chuck of double-head car |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4296658A (en) * | 1978-06-30 | 1981-10-27 | Societe Anonyme Dite: Ramo S.A. | Clamping device for simultaneously machining internally and/or externally, the two ends of a workpiece |
| DE102004019722A1 (en) * | 2004-04-20 | 2005-12-01 | Dr.-Ing. Robert Stopp Werkzeugmaschinen Gmbh | Head stock for lathe, has rotatable spindle with retainer that includes clamping device, which is loaded with clamping force generated by energy store in order to fix workpiece in retainer |
| CN101085506A (en) * | 2006-06-08 | 2007-12-12 | 王秋楠 | Main frame structure for multifunctional and bidirectional processing machine |
| CN101157147A (en) * | 2007-11-16 | 2008-04-09 | 东方电气集团东方汽轮机有限公司 | Boring machine |
| CN201889441U (en) * | 2010-11-30 | 2011-07-06 | 宁夏长兴精密机械有限公司 | Contracting chuck-type machine tool main spindle box being capable of implementing bidirectional clamping |
| CN201889440U (en) * | 2010-11-30 | 2011-07-06 | 宁夏长兴精密机械有限公司 | Two-way clamping jaw-type spindle box for machine tool |
| CN201931091U (en) * | 2011-05-23 | 2011-08-17 | 宁夏长兴精密机械有限公司 | Machine tool spindle box capable of clamping bidirectionally |
-
2010
- 2010-11-30 CN CN 201010566277 patent/CN102009192A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4296658A (en) * | 1978-06-30 | 1981-10-27 | Societe Anonyme Dite: Ramo S.A. | Clamping device for simultaneously machining internally and/or externally, the two ends of a workpiece |
| DE102004019722A1 (en) * | 2004-04-20 | 2005-12-01 | Dr.-Ing. Robert Stopp Werkzeugmaschinen Gmbh | Head stock for lathe, has rotatable spindle with retainer that includes clamping device, which is loaded with clamping force generated by energy store in order to fix workpiece in retainer |
| CN101085506A (en) * | 2006-06-08 | 2007-12-12 | 王秋楠 | Main frame structure for multifunctional and bidirectional processing machine |
| CN101157147A (en) * | 2007-11-16 | 2008-04-09 | 东方电气集团东方汽轮机有限公司 | Boring machine |
| CN201889441U (en) * | 2010-11-30 | 2011-07-06 | 宁夏长兴精密机械有限公司 | Contracting chuck-type machine tool main spindle box being capable of implementing bidirectional clamping |
| CN201889440U (en) * | 2010-11-30 | 2011-07-06 | 宁夏长兴精密机械有限公司 | Two-way clamping jaw-type spindle box for machine tool |
| CN201931091U (en) * | 2011-05-23 | 2011-08-17 | 宁夏长兴精密机械有限公司 | Machine tool spindle box capable of clamping bidirectionally |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014451A (en) * | 2014-04-19 | 2015-11-04 | 建湖县海盛机械制造有限公司 | Wedge pushing type two-way spindle chuck of double-head car |
| CN105014451B (en) * | 2014-04-19 | 2017-12-22 | 建湖县海盛机械制造有限公司 | A kind of two-way main shaft chuck of wedge pushing-type double-end vehicle |
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Application publication date: 20110413 |