CN102294602A - Machining cutting machine central frame with wide adjusting range - Google Patents
Machining cutting machine central frame with wide adjusting range Download PDFInfo
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- CN102294602A CN102294602A CN2011102306253A CN201110230625A CN102294602A CN 102294602 A CN102294602 A CN 102294602A CN 2011102306253 A CN2011102306253 A CN 2011102306253A CN 201110230625 A CN201110230625 A CN 201110230625A CN 102294602 A CN102294602 A CN 102294602A
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Abstract
The invention discloses a machining cutting machine central frame with a wide adjusting range, which comprises a mounting base (8), wherein a central frame body (9) is arranged on the mounting base (8); three clamping grooves (12) are uniformly formed on the central frame body (9); a fixing bolt (13) is arranged on the side wall of each clamping groove (12); an adjusting cylinder (10) is arranged in each clamping groove (12); and one ends, positioned on the inner side of the central frame body (9), of the three adjusting cylinders (10) are provided with top wheels. The friction force between a workpiece and the central frame body is changed into the rolling friction force, so the condition that the workpiece is locked is reduced; at the same time, through the driving of a turntable, action forces between the top wheels and the workpiece can be adjusted, so the workpiece is uniformly stressed; and through the fixing bolts on the clamping grooves, the relative position relation between the adjusting cylinders and the central frame body can be changed, so the using range of the central frame bodies with the same model number is widened.
Description
Technical field
The present invention relates to the auxiliary equipment in a kind of machined working angles, specifically be meant the machined stock-removing machine centre frame that a kind of wide region is regulated.
Background technology
In machining industry, particularly in the machining of slender piece, usually use centre frame.Centre frame is the servicing unit of work in-process radial support rotational workpieces, in processing thin and long shafts part, draw ratio L/D〉15, produce flexural deformation in order to prevent workpiece to be subjected to the effect of radial cutting force, the common central frame is as aiding support, to increase the workpiece rigidity.Add man-hour, do not have with workpiece and move to axial, centre frame should be fixed on the lathe bed, and with the thick centering of scriber, behind the lubricating oil, machine tool low speed changes according to the thickness and the weight of material turns speed, according to the feel centering on the point.Centre frame is mainly used in the turning of large-diameter workpiece axial end, behind workpiece selection centre frame position, centre frame is fixed on the bed ways, rotates the adjustment center at a slow speed, and is suitably grease-added between centre frame pawl post and workpiece.What centre frame was just not serious can only reinstall or change, the light length that can adjust 3 contact studs, earlier three posts are all unclamped and allow main axis rotation, adjust the centre frame contact stud then to workpiece, the strength of three posts should be identical, sees whether the rotation of workpiece beats after touching workpiece, slowly find the optimum position according to beating of workpiece, processing then because trickle adjustment is also wanted in the wearing and tearing of contact cylinder, will add enough lubricating oil during finish turning and cooling fluid reduces wear in the process.Centre frame is mainly used to process long workpiece, is installed between chuck and the knife rest; Follow-rest is used and the processing slim axle, is installed on the slip crate, moves with knife rest, to increase the turning rigidity.Each cylindrical of processing slim multidiameter generally is bearing in centre frame the middle part of axle, first each cylindrical of car right-hand member, the cylindrical of the car other end again behind the same clamping in tune back; The end face of processing major axis or long tube (as cylinder body), and the hole of end and screw thread etc., available chuck holding workpiece left end leans on medium position slightly with centre frame supporting right-hand member or right-hand member.When adjusting support column,, be easy to generate locking phenomenon in the turning process if strength is excessive; If strength is too small, product forms ellipse easily, and the limited problem of the scope of application of centre frame.
Summary of the invention
The machined stock-removing machine centre frame that the object of the present invention is to provide a kind of wide region to regulate, overcome present centre frame when holding workpiece, stressed difficult adjustment, cause loosening problem that forms the oval or stressed excessive formation locking of workpiece end face of workpiece and the little problem of conventional centre frame adjustable range easily.
Purpose of the present invention is achieved through the following technical solutions:
The machined stock-removing machine centre frame that a kind of wide region is regulated, comprise mount pad, mount pad is provided with the centre frame body, on the centre frame body, evenly be provided with three draw-in grooves, the sidewall of each draw-in groove is provided with set bolt, the adjusting tube that is used to regulate distance between top wheel and the centre frame body axle center all is installed in each draw-in groove, regulates an end that is positioned at centre frame body inboard at three the top wheel all is installed.The mount pad of centre frame body is installed on the guide rail of lathe, the top wheel is installed on the adjusting tube of centre frame body, by adopting the mode of top wheel, frictional force between workpiece and the top wheel is converted to the force of rolling friction of top wheel, effectively overcome the locking problem between workpiece and the centre frame, regulating tube simultaneously is installed in the draw-in groove, adjust the distance of itself and centre frame body by set bolt, make same model centre frame its can be applicable to radius all workpiece less than centre frame body radius, make the scope of application of centre frame increase.
Described top wheel comprises the top tube, the top tube is whole cylindrical, an end face at the top tube is connected with Coupling, another end face at the top tube is provided with mounting groove, two sides of mounting groove on top tube are parallel to each other and about the axis symmetry of top tube, bearing is installed in mounting groove, the two ends of bearing are connected on two sides of top tube mounting groove, on bearing, be set with roller, the radius of roller is greater than the axis of the bearing distance to the top tube end face at mounting groove place, and described top wheel tin is connected with regulating by Coupling.On the tube of top, cut out a mounting groove, the opening of this mounting groove is in the end face and the cylinder sides of top tube, mounting groove is positioned at the middle part of end face at the opening of end face, two sides in the tube of top of mounting groove are parallel to each other, and axis symmetry about the top tube, bearing is installed in mounting groove, bearing is connected on the top tube of mounting groove both sides, and its axis is parallel with the end face of top tube, be set with roller on bearing, the radius of roller is greater than the distance between the upper surface of the axis of bearing and top tube, so, after the Coupling center of being socketed in of top tube added, active force between top tube and the workpiece is decomposed into both direction, along the tangential direction of workpiece with along the diametric(al) of workpiece, makes roller rotate around bearing along the power of the tangential direction of workpiece, reduce the frictional force between top tube and the workpiece, avoided workpiece to be pushed up the situation of a locking.
Described Coupling is provided with the gathering sill that is parallel to top tube axis, is provided with the gib block that is complementary with gathering sill in regulating tube.In order to keep pushing up the position of wheel, it can not rotate around the axis of top tube when regulating to make the top wheel, and Coupling is provided with gathering sill, by on the adjustable column of centre frame gib block being set, matches with gathering sill, the situation of having avoided the top wheel to rotate.
Described adjusting tube is provided with rotating disk, and rotating disk is connected with the top wheel by the screw rod of regulating in the tube.In order to adapt to the needs of different workpieces, drive the screw rod of regulating in the tube by rotating disk, screw rod promotes the top wheel and moves along the diametric(al) of centre frame body, regulates the position of workpiece on the centre frame with this.
The present invention compared with prior art has following advantage and beneficial effect:
The machined stock-removing machine centre frame that a kind of wide region of 1 the present invention is regulated, the sidewall of centre frame body is provided with draw-in groove, in draw-in groove, install and regulate tube, the top wheel is installed on the adjusting tube, convert the frictional force between workpiece and the centre frame body to force of rolling friction, reduced workpiece by the situation of locking, simultaneously, drive by rotating disk, can regulate the active force between top wheel and the workpiece, make workpiece stressed evenly, can change the relative position relation of regulating tube and centre frame body, make the scope of application increase of centre frame of same model by the set bolt on the draw-in groove;
The machined stock-removing machine centre frame that a kind of wide region of 2 the present invention is regulated, by on the tube of top, mounting groove being set, bearing is installed in mounting groove, the mode of suit roller on the bearing, convert the frictional force between top wheel and the workpiece to force of rolling friction, reduce workpiece by the situation of locking, helped the processing of workpiece:
The machined stock-removing machine centre frame that a kind of wide region of 3 the present invention is regulated, its Coupling is a hexagon prism, can prevent to push up the rotation of tube, Coupling is provided with gathering sill simultaneously, after centre frame cooperates, can keep the position of top tube, prevent that its axis around the top tube from rotating.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 pushes up the structure enlarged diagram of wheel for the present invention.
Mark and corresponding parts title in the accompanying drawing:
1-pushes up tube, and 2-Coupling, 3-mounting groove, 4-roller, 5-bearing, 6-gathering sill, 7-screw rod, 8-mount pad, 9-centre frame body, 10-are regulated tube, 11-rotating disk, 12-draw-in groove, 13-set bolt.
The specific embodiment
The present invention is described in further detail below in conjunction with embodiment, but embodiments of the present invention are not limited thereto.
Embodiment
Shown in Fig. 1 to 2, the machined stock-removing machine centre frame that a kind of wide region of the present invention is regulated, comprise mount pad 8, mount pad 8 is provided with centre frame body 9, the sidewall of centre frame body 9 is provided with equally distributed three draw-in grooves 12, in draw-in groove 12, be equipped with and regulate tube 10, the sidewall of draw-in groove 12 is provided with set bolt 13, set bolt is used to change and the relative position relation of secured adjusted tube and centre frame body 9, regulate tube 10 and be provided with rotating disk 11, rotating disk 11 is connected with the top wheel by the screw rod of regulating in the tube 10 7, regulate tube 10 ends that are positioned at centre frame body 9 inboards at three the top wheel all is installed, the top wheel comprises top tube 1, top tube 1 is whole cylindrical, an end face at top tube 1 is connected with hexagonal column ground Coupling 2, and Coupling 2 is provided with and the parallel gathering sill 6 of axis that pushes up tube 1, is provided with the gib block that is complementary with gathering sill 6 in regulating tube 10; Another end face at top tube 1 is provided with mounting groove 3, and this end face is provided with falls from power, fall from power around the circle at this end face place, two sides of mounting groove 3 on top tube 1 are parallel to each other and about the axis symmetry of top tube 1, bearing 5 is installed in mounting groove 3, the two ends of bearing 5 are connected on two sides of top tube 1 mounting groove 3, are set with roller 4 on bearing 5, and the radius of roller 4 is greater than the axis of bearing 5 distance to top tube 1 end face at mounting groove 3 places.
As mentioned above, just can realize the present invention well.
Claims (4)
1. the machined stock-removing machine centre frame regulated of a wide region, comprise mount pad (8), mount pad (8) is provided with centre frame body (9), it is characterized in that: on centre frame body (9), evenly be provided with three draw-in grooves (12), the sidewall of each draw-in groove (12) is provided with set bolt (13), the adjusting tube (10) that is used for regulating distance between top wheel and centre frame body (9) axle center all is installed in each draw-in groove (12), is positioned at the inboard end of centre frame body (9) at three adjusting tubes (10) the top wheel all is installed.
2. the machined stock-removing machine centre frame that a kind of wide region according to claim 1 is regulated, it is characterized in that: described top wheel comprises top tube (1), top tube (1) is whole cylindrical, an end face at top tube (1) is connected with Coupling (2), another end face at top tube (1) is provided with mounting groove (3), two sides of mounting groove (3) on top tube (1) are parallel to each other and about the axis symmetry of top tube (1), bearing (5) is installed in mounting groove (3), the two ends of bearing (5) are connected on two sides of top tube (1) mounting groove (3), on bearing (5), be set with roller (4), the radius of roller (4) is greater than the axis of bearing (5) distance to top tube (1) end face at mounting groove (3) place, described top wheel by Coupling (2) with regulate tin (10) and be connected.
3. the machined stock-removing machine centre frame that a kind of wide region according to claim 2 is regulated, it is characterized in that: described Coupling (2) is provided with the gathering sill (6) that is parallel to top tube (1) axis, is provided with the gib block that is complementary with gathering sill (6) in regulating tube (10).
4. according to any machined stock-removing machine centre frame that described a kind of wide region is regulated in the claim 1 to 3, it is characterized in that: described adjusting tube (10) is provided with rotating disk (11), and rotating disk (11) is connected with the top wheel by the screw rod of regulating in the tube (10) (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102306253A CN102294602A (en) | 2011-08-12 | 2011-08-12 | Machining cutting machine central frame with wide adjusting range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102306253A CN102294602A (en) | 2011-08-12 | 2011-08-12 | Machining cutting machine central frame with wide adjusting range |
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| Publication Number | Publication Date |
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| CN102294602A true CN102294602A (en) | 2011-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102306253A Pending CN102294602A (en) | 2011-08-12 | 2011-08-12 | Machining cutting machine central frame with wide adjusting range |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554789A (en) * | 2012-01-20 | 2012-07-11 | 厦门大学 | Static balancing regulation device for diamond grinding wheel |
| CN102950545A (en) * | 2012-11-15 | 2013-03-06 | 安徽马钢和菱实业有限公司 | Grinding wheel correction device of cylindrical grinding machine |
| CN104493513A (en) * | 2014-11-28 | 2015-04-08 | 德清透平机械制造有限公司 | Improved center frame |
| CN113832463A (en) * | 2021-10-13 | 2021-12-24 | 江苏珠峰光电科技有限公司 | Workbench for shaft machining and laser machining system based on workbench |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR915370A (en) * | 1945-05-02 | 1946-11-05 | Spectacle jaws for parallel turning | |
| JPS5521861U (en) * | 1978-07-31 | 1980-02-12 | ||
| CN101456130A (en) * | 2009-01-05 | 2009-06-17 | 李雨波 | Horizontal lathe center frame |
| CN201505820U (en) * | 2009-10-12 | 2010-06-16 | 天津滨海龙泰科技发展有限公司 | Automatic-adjusting bracket for long shaft |
| CN201565790U (en) * | 2009-11-24 | 2010-09-01 | 淄博运城制版有限公司 | Center frame with bearings |
| CN202224945U (en) * | 2011-08-12 | 2012-05-23 | 成都科盛石油科技有限公司 | Machining cutting machine tool center frame capable of adjusting wide range |
-
2011
- 2011-08-12 CN CN2011102306253A patent/CN102294602A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR915370A (en) * | 1945-05-02 | 1946-11-05 | Spectacle jaws for parallel turning | |
| JPS5521861U (en) * | 1978-07-31 | 1980-02-12 | ||
| CN101456130A (en) * | 2009-01-05 | 2009-06-17 | 李雨波 | Horizontal lathe center frame |
| CN201505820U (en) * | 2009-10-12 | 2010-06-16 | 天津滨海龙泰科技发展有限公司 | Automatic-adjusting bracket for long shaft |
| CN201565790U (en) * | 2009-11-24 | 2010-09-01 | 淄博运城制版有限公司 | Center frame with bearings |
| CN202224945U (en) * | 2011-08-12 | 2012-05-23 | 成都科盛石油科技有限公司 | Machining cutting machine tool center frame capable of adjusting wide range |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554789A (en) * | 2012-01-20 | 2012-07-11 | 厦门大学 | Static balancing regulation device for diamond grinding wheel |
| CN102950545A (en) * | 2012-11-15 | 2013-03-06 | 安徽马钢和菱实业有限公司 | Grinding wheel correction device of cylindrical grinding machine |
| CN102950545B (en) * | 2012-11-15 | 2015-09-23 | 安徽马钢和菱实业有限公司 | Grinding wheel of external grinder means for correcting |
| CN104493513A (en) * | 2014-11-28 | 2015-04-08 | 德清透平机械制造有限公司 | Improved center frame |
| CN113832463A (en) * | 2021-10-13 | 2021-12-24 | 江苏珠峰光电科技有限公司 | Workbench for shaft machining and laser machining system based on workbench |
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Application publication date: 20111228 |