CN202655918U - Static-pressure central frame for large machine tool - Google Patents
Static-pressure central frame for large machine tool Download PDFInfo
- Publication number
- CN202655918U CN202655918U CN 201220364115 CN201220364115U CN202655918U CN 202655918 U CN202655918 U CN 202655918U CN 201220364115 CN201220364115 CN 201220364115 CN 201220364115 U CN201220364115 U CN 201220364115U CN 202655918 U CN202655918 U CN 202655918U
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- static pressure
- supporting
- adjust
- screw mandrel
- cylinder
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Abstract
The utility model discloses a static-pressure central frame for a large machine tool, mainly solving the problems of large friction resistance between a workpiece and a supporting block and poor supporting accuracy in the existing central frame. The static-pressure central frame is characterized in that a supporting frame (1) is in an opened arc shape; a main support is vertically arranged at the center of the supporting frame (1); and a left support (3) and a right support (4) are arranged at the left end and the right end of the supporting frame (1). The static-pressure central frame disclosed by the utility model has the characteristics of less friction resistance between the workpiece and the supporting block and good supporting accuracy.
Description
Technical field
The utility model relates to a kind of lathe centre frame, especially heavy duty machine tools static-pressure central frame.
Background technology
In field of machining, centre frame is processing large-tonnage, the required necessary annex of large-diameter workpiece.And existing centre frame is because reasons in structure exists workpiece and rest pad frictional resistance large, the problem of supporting low precision, so affect processing cost and efficient.
Summary of the invention
Large in order to solve existing centre frame workpiece and rest pad frictional resistance, the problem of supporting low precision.The utility model provides a kind of heavy duty machine tools static-pressure central frame.These heavy duty machine tools have workpiece with static-pressure central frame and rest pad frictional resistance is little, the good characteristics of supporting precision.
The technical solution of the utility model is: these heavy duty machine tools comprise bearing support, main supporting, left supporting and right supporting with static-pressure central frame.Bearing support is open circular-arc, and main supports vertical places the bearing support center, and left supporting and right supporting place about bearing support holds.
Described main supporting comprises main carrying cylinder, static pressure ball bow, hydrostatic support watt.Adjusting sleeve, the supporting screw mandrel, geared sleeve, bevel gear and adjustment thick stick, main carrying cylinder upper surface is spherical concave surface, fluted between two parties, main carrying cylinder slides and places bearing support intracardiac, the following of static pressure ball bow is sphere, the above has cylindrical protrusions, in have and the static pressure that communicates below oil passage, static pressure ball bow places main carrying cylinder upper surface, hydrostatic support watt upper surface is spherical concave surface, and the static pressure oil groove arranged, in the static pressure oil passage that communicates with the static pressure oil groove is arranged, the below has the groove that matches with projection above the static pressure ball bow, hydrostatic support watt places static pressure ball bow upper end, the supporting screw mandrel is connected in the hole under the main carrying cylinder, and adjusting sleeve links to each other with the supporting screw mandrel by screw thread, and the geared sleeve lower end is meshed with the adjusting sleeve lower end by tooth, the geared sleeve upper end is meshed with the bevel gear upper end by the umbrella tooth, bevel gear is connected to be adjusted on the thick stick, adjusts thick stick and is connected on the bearing support by bearing, adjusts the thick stick outer end and is connected with dial;
Described left supporting and right supporting comprise side bearing watt, adjusting pad, adjustment cylinder and adjust screw mandrel.Side bearing watt outer face is spherical concave surface, on the spherical concave surface static pressure oil groove is arranged, in the static pressure oil passage that communicates with the static pressure oil groove is arranged, side bearing watt is connected to above the adjusting pad, adjusting pad links to each other with groove by protruding with adjusting between the cylinder, adjust the static pressure oil passage that is connected with its groove is arranged in the cylinder upper end, adjusting screw mandrel links to each other with the adjustment cylinder by screw, adjust the screw mandrel outer end and be connected with dial, adjusting screw mandrel is fixed on the bearing support, adjust have in the screw mandrel with adjust cylinder in the static pressure oil passage that is connected, adjust on the cylinder sidewall and have on the bearing support with adjust screw mandrel in the static pressure oil passage that is connected.
The utlity model has following beneficial effect: this heavy duty machine tools owing to adopting such scheme, utilize main carrying cylinder, static pressure ball bow, hydrostatic support watt, supporting screw mandrel to play workpiece master supporting and lubrication with static-pressure central frame.Adjusting sleeve, geared sleeve, bevel gear and adjustment thick stick play the accurate corrective action of workpiece, and then realize that the reduction static-pressure central frame has workpiece and rest pad frictional resistance, improves the supporting precision.These heavy duty machine tools have workpiece with static-pressure central frame and rest pad frictional resistance is little thus, the good characteristics of supporting precision.
Description of drawings
Accompanying drawing 1 is the utility model structural representation.
1-bearing support among the figure, 2-adjusts screw mandrel, the left supporting of 3-, the right supporting of 4-, 5-master's carrying cylinder, 6-static pressure ball bow, 7-hydrostatic support watt, the 8-adjusting sleeve, 9-supports screw mandrel, 10-geared sleeve, the 11-bevel gear, 12-adjusts thick stick, and 13-side bearing watt, 14-adjusting pad, 15-are adjusted cylinder.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
Shown in accompanying drawing, these heavy duty machine tools comprise bearing support 1, main supporting, left supporting 3 and right supporting 4 with static-pressure central frame.Bearing support 1 is open circular-arc, and main supports vertical places bearing support 1 center, and left supporting 3 and right supporting 4 place bearing support about 1 ends.
Described main supporting comprises main carrying cylinder 5, static pressure ball bow 6, hydrostatic support watts 7, adjusting sleeve 8, supporting screw mandrel 9, geared sleeve 10, bevel gear 11 and adjust thick stick 12.Main carrying cylinder 5 upper surfaces are spherical concave surface, fluted between two parties, main carrying cylinder 5 slides and places bearing support 1 intracardiac, the following of static pressure ball bow 6 is sphere, the above has cylindrical protrusions, in have and the static pressure that communicates below oil passage, static pressure ball bow 6 places main carrying cylinder 5 upper surfaces, hydrostatic support watt 7 upper surfaces are spherical concave surface, and the static pressure oil groove is arranged, in the static pressure oil passage that communicates with the static pressure oil groove is arranged, the below has the groove that matches with projection above the static pressure ball bow 6, hydrostatic support watts 7 places the static pressure ball to bend 6 upper ends, and static pressure oil passage is connected with Hydraulic Station by pipeline, plays the main follow-up adjustment effect of supporting by static pressure ball bow 6 and hydrostatic support watts 7.Supporting screw mandrel 9 is connected in the hole under the main carrying cylinder 5, adjusting sleeve 8 links to each other with supporting screw mandrel 9 by screw thread, geared sleeve 10 lower ends are meshed with adjusting sleeve 8 lower ends by tooth, geared sleeve 10 upper ends are meshed with bevel gear 11 upper ends by the umbrella tooth, bevel gear 11 is connected to be adjusted on the thick stick 12, adjusting thick stick 12 is connected on the bearing support 1 by bearing, adjust thick stick 12 outer ends and be connected with dial, play the accurate regulating action of main supporting by adjusting sleeve 8, supporting screw mandrel 9, geared sleeve 10, bevel gear 11 and adjustment thick stick 12.
Described left supporting 3 and right supporting 4 comprise side bearing watts 13, adjusting pad 14, adjust cylinder 15 and adjust screw mandrel 2, side bearing watt 13 outer faces are spherical concave surface, on the spherical concave surface static pressure oil groove is arranged, in the static pressure oil passage that communicates with the static pressure oil groove is arranged, side bearing watts 13 is connected to above the adjusting pad 14, adjusting pad 14 links to each other with groove by protruding with adjusting between the cylinder 15, adjust the static pressure oil passage that is connected with its groove is arranged in cylinder 15 upper ends, adjusting screw mandrel 2 links to each other with adjustment cylinder 15 by screw, adjust screw mandrel 2 outer ends and be connected with dial, adjusting screw mandrel 2 is fixed on the bearing support 1, adjust have in the screw mandrel 2 with adjust cylinder 15 in the static pressure oil passage that is connected, adjust on cylinder 15 sidewalls and have on the bearing support 1 with adjust screw mandrel 2 in the static pressure oil passage that is connected, static pressure oil passage is connected with Hydraulic Station by pipeline, play left supporting 3 and right supporting 4 follow-up adjustment effects by side bearing watts 13 and adjusting pad 14, by adjusting cylinder 15 and adjusting screw mandrel 2 and play left supporting 3 and right supporting 4 accurate regulating actions.
These heavy duty machine tools are applicable to weight more than 50 tons with static-pressure central frame, and tactical diameter is more than 5 meters, and length is processed at the cylindrical workpiece more than 10 meters.
Claims (1)
1. heavy duty machine tools static-pressure central frame, comprise bearing support (1), main supporting, left supporting (3) and right supporting (4), it is characterized in that: bearing support (1) is open circular-arc, main supports vertical places bearing support (1) center, and left supporting (3) and right supporting (4) place end about bearing support (1);
Described main supporting comprises main carrying cylinder (5), static pressure ball bow (6), hydrostatic support watt (7), adjusting sleeve (8), supporting screw mandrel (9), geared sleeve (10), bevel gear (11) and adjustment thick stick (12), main carrying cylinder (5) upper surface is spherical concave surface, fluted between two parties, main carrying cylinder (5) slides and places bearing support (1) intracardiac, it is sphere that the static pressure ball bends the following of (6), the above has cylindrical protrusions, in have and the static pressure that communicates below oil passage, static pressure ball bow (6) places main carrying cylinder (5) upper surface, hydrostatic support watt (a 7) upper surface is spherical concave surface, and the static pressure oil groove arranged, in the static pressure oil passage that communicates with the static pressure oil groove is arranged, the below has the groove that matches with projection above the static pressure ball bow (6), hydrostatic support watt (7) places static pressure ball bow (6) upper end, supporting screw mandrel (9) is connected in the hole under the main carrying cylinder (5), adjusting sleeve (8) links to each other with supporting screw mandrel (9) by screw thread, geared sleeve (10) lower end is meshed with adjusting sleeve (8) lower end by tooth, geared sleeve (10) upper end is meshed with bevel gear (11) upper end by the umbrella tooth, bevel gear (11) is connected to be adjusted on the thick stick (12), adjust thick stick (12) and be connected on the bearing support (1) by bearing, adjust thick stick (12) outer end and be connected with dial;
Described left supporting (3) and right supporting (4) comprise side bearing watt (13), adjusting pad (14), adjust cylinder (15) and adjust screw mandrel (2), side bearing watt (a 13) outer face is spherical concave surface, on the spherical concave surface static pressure oil groove is arranged, in the static pressure oil passage that communicates with the static pressure oil groove is arranged, side bearing watt (13) is connected to above the adjusting pad (14), adjusting pad (14) links to each other with groove by protruding with adjusting between the cylinder (15), adjust the static pressure oil passage that is connected with its groove is arranged in cylinder (15) upper end, adjusting screw mandrel (2) links to each other with adjustment cylinder (15) by screw, adjust screw mandrel (2) outer end and be connected with dial, adjusting screw mandrel (2) is fixed on the bearing support (1), adjust have in the screw mandrel (2) with adjust cylinder (15) in the static pressure oil passage that is connected, adjust on cylinder (15) sidewall and have on the bearing support (1) with adjust screw mandrel (2) in the static pressure oil passage that is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220364115 CN202655918U (en) | 2012-07-26 | 2012-07-26 | Static-pressure central frame for large machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220364115 CN202655918U (en) | 2012-07-26 | 2012-07-26 | Static-pressure central frame for large machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202655918U true CN202655918U (en) | 2013-01-09 |
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ID=47450851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220364115 Expired - Fee Related CN202655918U (en) | 2012-07-26 | 2012-07-26 | Static-pressure central frame for large machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202655918U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI500472B (en) * | 2013-07-16 | 2015-09-21 | Ind Tech Res Inst | An auto-centering apparatus of a steady rest |
| CN105436914A (en) * | 2015-11-27 | 2016-03-30 | 江苏通达动力科技股份有限公司 | Wear-proof center frame |
| CN107138969A (en) * | 2017-07-12 | 2017-09-08 | 湖北二电电气有限公司 | A kind of heavy brackets of sleeping carriage |
| CN108296805A (en) * | 2017-11-10 | 2018-07-20 | 浙江巨源动力装备有限公司 | A kind of static-pressure central frame |
-
2012
- 2012-07-26 CN CN 201220364115 patent/CN202655918U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI500472B (en) * | 2013-07-16 | 2015-09-21 | Ind Tech Res Inst | An auto-centering apparatus of a steady rest |
| US9144868B2 (en) | 2013-07-16 | 2015-09-29 | Industrial Technology Research Institute | Auto-centering apparatus of a steady rest |
| CN105436914A (en) * | 2015-11-27 | 2016-03-30 | 江苏通达动力科技股份有限公司 | Wear-proof center frame |
| CN107138969A (en) * | 2017-07-12 | 2017-09-08 | 湖北二电电气有限公司 | A kind of heavy brackets of sleeping carriage |
| CN108296805A (en) * | 2017-11-10 | 2018-07-20 | 浙江巨源动力装备有限公司 | A kind of static-pressure central frame |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20180726 |