CN103056676A - Micro adjustment mechanism for rollers of centre rest - Google Patents
Micro adjustment mechanism for rollers of centre rest Download PDFInfo
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- CN103056676A CN103056676A CN2012105568498A CN201210556849A CN103056676A CN 103056676 A CN103056676 A CN 103056676A CN 2012105568498 A CN2012105568498 A CN 2012105568498A CN 201210556849 A CN201210556849 A CN 201210556849A CN 103056676 A CN103056676 A CN 103056676A
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Abstract
An embodiment of the invention provides a micro adjustment mechanism for rollers of a centre rest and belongs to the technical field of construction machinery manufacturing. The micro adjustment mechanism comprises supports 1, rollers 2, eccentric turbine shafts 3 and worms 4; each of the eccentric turbine shafts 3 comprises support portions 31 and roller portions 32; the support portions 31 are arranged at two ends of the body of each of the eccentric turbine shafts 3, and the roller portions 32 are arranged in the middle of the two ends of the body of the eccentric turbine shafts 3; the support portions 31 of the eccentric turbine shafts 3 are arranged on the supports 1 and can rotate around the central shafts of the support portions 31; the rollers are sleeved on the roller portions 32 of the eccentric turbine shafts 3 and can rotate around the central shafts of the eccentric turbine shafts 3; the central shafts of the support portions 31 of the eccentric turbine shafts 3 and central shafts of the rollers are not in the same straight line; and the worms 4 are meshed with worm wheels 33 of the eccentric turbine shafts 3. According to the micro adjustment mechanism, displacement of the rollers can be achieved through rotation angles of the eccentric shafts, and micro displacement of the rollers and the labor-saving effect in adjustment can be achieved through the dual reinforcement principle of worms and eccentric shaft levers.
Description
Technical field
The invention belongs to mechanical manufacturing field, relate to the structure of a kind of adjusting tool central frame roller position, relate in particular to a kind of central frame roller micro-adjusting mechanism.
Background technology
Centre frame is used for the servicing unit of work in-process radial support rotational workpieces.Adding man-hour, centre frame and workpiece are without moving to axial.
Before the present invention, the inventor finds prior art, and there are the following problems at least: traditional heavy horizontal lathe centre frame is in the process of supporting workpiece, on the one hand because the error of the size of workpiece own, and centre frame two rollers are with respect to the balanced error of work centre line, often cause a roller contact, another roller does not contact, and this kind situation often makes central frame roller contact with workpiece by rotating threaded shaft after occuring.But because workpiece is very heavy, need very large power rotating threaded shaft driving rolls that workpiece is propped up, operation is effort very.
On the other hand, in half essence or fine finishining process, after usually needing to beat the center of table centering workpiece, process again.Traditional centre frame adopts the trapezoidal screw transmission usually, and the helical pitch of leading screw is large, and leading screw rotates a bit and will make roller that larger displacement is arranged, and is unfavorable for accurate centering workpiece centre, makes the centering workpiece centre very difficult.
Therefore, those skilled in the art is devoted to the central frame roller micro-adjusting mechanism of the accurate centering developing a kind of labour-saving, can realize workpiece centre.
Summary of the invention
A kind of central frame roller micro-adjusting mechanism now is provided, and the anglec of rotation by eccentric shaft makes roller be subjected to displacement principle with turbine and worm deceleration force amplifier and eccentric shaft lever reinforcement, realizes the microdisplacement of roller and adjusts the labour-saving effect.Concrete technical scheme is as follows:
A kind of central frame roller micro-adjusting mechanism, comprise support, roller and eccentric vortex wheel shaft, described eccentric vortex wheel shaft comprises cradle portion and roller section, described cradle portion is located at the two ends of the axis body of described eccentric vortex wheel shaft, described roller section is located at the centre at the axis body two ends of described eccentric vortex wheel shaft, the cradle portion of described eccentric vortex wheel shaft is located on the described support, and can be around the central shaft rotation of described cradle portion, described roller housing is located at the roller section of described eccentric vortex wheel shaft, described roller and described roller section are slidingly connected, and can be around the central shaft rotation of described roller section, the central shaft of described eccentric vortex axle bracket section and described roller section central shaft be not on the same straight line.
Preferably, also comprise worm shaft, an end of described worm shaft is provided with worm screw, and an end of described eccentric vortex wheel shaft is provided with turbine, the turbine engagement of the worm screw on the described worm shaft and described eccentric vortex wheel shaft.
Preferably, described worm shaft is located on the described support, and the other end of described worm shaft also is provided with rotary handle.
Preferably, described rotary handle is shaped as cuboid.
Preferably, also comprise flange and the thrust bearing of being located at the stable worm shaft between worm shaft and the support, described flange and thrust bearing are sheathed on the described worm shaft.
Preferably, also comprise bearing, described bearing comprises outer ring and the inner ring that is slidingly connected, and described roller is fixedly connected with described outer ring, and the roller section of described eccentric vortex wheel shaft is fixedly connected with described inner ring.
Preferably, described bearing is double-row self-aligning roller bearing.
Preferably, also comprise ring flange, described ring flange is sheathed on the roller section of described eccentric vortex wheel shaft, and is fixedly connected with described roller.
Preferably, also comprise spacer, described spacer is located between the roller section of described ring flange and/or roller and described eccentric vortex wheel shaft.
Preferably, also comprise the leading screw and the feed screw nut that mutually are slidingly connected, described feed screw nut is fixedly connected with described support.
The advantage of technical scheme of the present invention has:
By utilizing the principle of turbine and worm reinforcement and eccentric shaft lever reinforcement, make become when propping up workpiece laborsaving;
The principle of utilizing simultaneously the anglec of rotation of the deceleration principle of turbine and worm and eccentric shaft that roller is subjected to displacement realizes the microdisplacement of roller, thereby makes the centering workpiece centre become feasible easily;
In addition, utilize the auto-lock function of turbine and worm, make roller adjust the position after, can be safe and reliable stop at desired location;
Technical scheme of the present invention has increased manual fine-tuning mechanism at roller, and what become when making the manual operation roller prop up workpiece is laborsaving, and has realized the accurate centering of workpiece centre.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of embodiments of the invention;
Fig. 2 is the cutaway view of A-A face among Fig. 1;
Fig. 3 is the cutaway view of B-B face among Fig. 2.
Wherein, 1 be support, 2 for roller, 3 for the eccentric vortex wheel shaft, 31 for eccentric vortex axle bracket section, 32 for eccentric vortex wheel shaft roller section, 33 for turbine, 4 for worm shaft, 41 for worm screw, 42 for the other end of worm shaft, 5 for flange, 6 for thrust bearing, 7 for bearing, 8 for ring flange, 9 be that leading screw, 10 is the feed screw nut.
The specific embodiment
Below with reference to drawings and Examples the present invention is done concrete explaination.
A kind of central frame roller micro-adjusting mechanism of the embodiments of the invention as shown in Fig. 1 and Fig. 2 comprises support 1, roller 2 and eccentric vortex wheel shaft 3.
As shown in Figure 2, eccentric vortex wheel shaft 3 comprises cradle portion 31 and roller section 32.Cradle portion 31 is located at the two ends of the axis body of eccentric vortex wheel shaft 3, and roller section 32 is located at the centre at the axis body two ends of eccentric vortex wheel shaft 3.The cradle portion 31 of eccentric vortex wheel shaft 3 is located on the support 1, and can be around the central shaft rotation of cradle portion 31; Roller 2 is sheathed on the roller section 32 of eccentric vortex wheel shaft 3, and can be around the central shaft rotation of roller section 32.The central shaft of eccentric vortex wheel shaft 3 cradle portion 31 and roller section 32 central shafts are not on the same straight line.Be that eccentric vortex wheel shaft 3 is eccentric shaft, the rotating shaft of the rotating shaft of eccentric vortex wheel shaft 3 and roller 2 is not on the same straight line.
The anglec of rotation of embodiments of the invention by eccentric shaft makes roller be subjected to displacement principle with the eccentric shaft lever reinforcement, realizes the microdisplacement of roller and adjusts the labour-saving effect.
As shown in Fig. 2 and Fig. 3, in an embodiment of the present invention, also comprise worm shaft 4.One end of worm shaft 4 is provided with worm screw 41, and an end of eccentric vortex wheel shaft 3 is provided with turbine 33, the worm screw 41 on the worm shaft 4 and 33 engagements of the turbine of eccentric vortex wheel shaft 3, thus form turbine and worm mechanism.Utilize reinforcement and the deceleration effect of turbine and worm mechanism, realize microdisplacement laborsaving feasible of roller 2.In addition, when the lead angle of worm screw 41 was taken turns the equivalent friction angle of between cog less than engagement turbine 33, turbine and worm mechanism had self-locking performance, can realize reverse self-locking, namely can only drive worm gear 33 by worm screw 41, and can not drive worm screw 41 by worm gear 33.After self-locking performance makes roller 2 adjust the position, can be safe and reliable stop at this position, play the safeguard protection effect.
As shown in Figure 3, in an embodiment of the present invention, preferred worm shaft 4 is located on the support 1.The other end 42 of worm shaft 4 also is provided with rotary handle.And preferred rotary handle be shaped as cuboid, make things convenient for the user to operate.
Shown in Fig. 3, in an embodiment of the present invention, also comprise flange 5 and the thrust bearing 6 of stablizing worm shaft 4 between worm shaft 4 and the support 1, flange 5 and thrust bearing 6 are sheathed on the worm shaft 4.In addition, also can be provided with and stablize the spacer (not shown), with the position of stable regulation worm shaft 4.
As shown in Figure 2, in an embodiment of the present invention, also comprise bearing 7.Bearing 7 comprises outer ring and the inner ring that is slidingly connected.Roller 2 is fixedly connected with the outer ring, and the roller section 32 of eccentric vortex wheel shaft 3 is fixedly connected with inner ring.Utilize bearing 7 to realize being slidingly connected of 3 on roller 2 and eccentric vortex wheel shaft.And preferably bearing 7 is double-row self-aligning roller bearing, and the quantity of double-row self-aligning roller bearing is preferably 2.The radial load ability of double-row self-aligning roller bearing is large, also can bear great loading and impact load; And have the automatic aligning performance, can bear to a certain extent the axial load of both direction.
In addition, as shown in Figure 2, in an embodiment of the present invention, preferably also comprise ring flange 8, ring flange 8 is sheathed on the roller section 32 of eccentric vortex wheel shaft 3, and is fixedly connected with roller 2, in order to the stable position of adjusting roller 2.
In an embodiment of the present invention, preferably also comprise spacer, spacer is located between the roller section 32 of ring flange 8 and/or roller 2 and eccentric vortex wheel shaft 3, in order to the stable position of adjusting roller 2 and ring flange 8.
In addition, as shown in fig. 1, in an embodiment of the present invention, also comprise the leading screw 9 and the feed screw nut 10 that mutually are slidingly connected, feed screw nut 10 is fixedly connected with support 1.Leading screw 9 and feed screw nut 10 can be in order to the positions of adjusting pole 1, thereby adjust the position of roller 2.
More than specific embodiments of the invention are described in detail, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and substituting also all among category of the present invention.Therefore, not breaking away from impartial conversion and the modification of doing under the spirit and scope of the present invention, all should contain within the scope of the invention.
Claims (10)
1. central frame roller micro-adjusting mechanism, it is characterized in that, comprise support (1), roller (2) and eccentric vortex wheel shaft (3), described eccentric vortex wheel shaft (3) comprises cradle portion (31) and roller section (32), described cradle portion (31) is located at the two ends of the axis body of described eccentric vortex wheel shaft (3), described roller section (32) is located at the centre at the axis body two ends of described eccentric vortex wheel shaft (3), the cradle portion (31) of described eccentric vortex wheel shaft (3) is located on the described support (1), and can be around the central shaft rotation of described cradle portion (31), described roller (2) is sheathed on the roller section (32) of described eccentric vortex wheel shaft (3), described roller (2) is slidingly connected with described roller section (32), and can be around the central shaft rotation of described roller section (32), the central shaft of described eccentric vortex wheel shaft (3) cradle portion (31) and described roller section (32) central shaft be not on the same straight line.
2. roller micro-adjusting mechanism as claimed in claim 1, it is characterized in that, also comprise worm shaft (4), one end of described worm shaft (4) is provided with worm screw (41), one end of described eccentric vortex wheel shaft (3) is provided with turbine (33), the worm screw (41) on the described worm shaft (4) and the engagement of the turbine (33) of described eccentric vortex wheel shaft (3).
3. roller micro-adjusting mechanism as claimed in claim 2 is characterized in that, described worm shaft (4) is located on the described support (1), and the other end (42) of described worm shaft (4) also is provided with rotary handle.
4. roller micro-adjusting mechanism as claimed in claim 3 is characterized in that, described rotary handle be shaped as cuboid.
5. roller micro-adjusting mechanism as claimed in claim 3, it is characterized in that, also comprise flange (5) and the thrust bearing (6) of being located at the stable worm shaft (4) between worm shaft (4) and the support (1), described flange (5) and thrust bearing (6) are sheathed on the described worm shaft (4).
6. roller micro-adjusting mechanism as claimed in claim 2, it is characterized in that, also comprise bearing (7), described bearing (7) comprises outer ring and the inner ring that is slidingly connected, described roller (2) is fixedly connected with described outer ring, and the roller section (32) of described eccentric vortex wheel shaft (3) is fixedly connected with described inner ring.
7. roller micro-adjusting mechanism as claimed in claim 6 is characterized in that, described bearing (7) is double-row self-aligning roller bearing.
8. roller micro-adjusting mechanism as claimed in claim 7 is characterized in that, also comprises ring flange (8), and described ring flange (8) is sheathed on the roller section (32) of described eccentric vortex wheel shaft (3), and is fixedly connected with described roller (2).
9. roller micro-adjusting mechanism as claimed in claim 8 is characterized in that, also comprises spacer, and described spacer is located between the roller section (32) of described ring flange (2) and/or roller (2) and described eccentric vortex wheel shaft (3).
10. roller micro-adjusting mechanism as claimed in claim 9 is characterized in that, also comprises the leading screw (9) and the feed screw nut (10) that mutually are slidingly connected, and described feed screw nut (10) is fixedly connected with described support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105568498A CN103056676A (en) | 2012-12-20 | 2012-12-20 | Micro adjustment mechanism for rollers of centre rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105568498A CN103056676A (en) | 2012-12-20 | 2012-12-20 | Micro adjustment mechanism for rollers of centre rest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103056676A true CN103056676A (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105568498A Pending CN103056676A (en) | 2012-12-20 | 2012-12-20 | Micro adjustment mechanism for rollers of centre rest |
Country Status (1)
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| CN (1) | CN103056676A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407832A (en) * | 2013-08-30 | 2013-11-27 | 无锡宝南机器制造有限公司 | Circumferential fine-adjusting mechanism on roll paper folder |
| CN103863886A (en) * | 2014-03-28 | 2014-06-18 | 江苏华宇印涂设备集团有限公司 | Accumulation machine adjusting device |
| CN109132679A (en) * | 2018-09-27 | 2019-01-04 | 湖州市韶春纸业有限公司 | A kind of hardboard cutter eccentricity fine adjustment structure |
| CN109551262A (en) * | 2018-12-27 | 2019-04-02 | 齐齐哈尔二机床(集团)有限责任公司 | Open center rest micromatic setting |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1211014A2 (en) * | 1984-10-10 | 1986-02-15 | Сибирский Филиал Государственного Всесоюзного Ордена Трудового Красного Знамени Научно-Исследовательского Технологического Института Ремонта И Эксплуатации Машинно-Тракторного Парка | Follow-rest |
| US4766703A (en) * | 1986-04-04 | 1988-08-30 | Giustina International S.P.A. | Adjustable support rest for a cylinder grinding machines or the like |
| DE4026948C1 (en) * | 1990-08-25 | 1991-10-17 | Franz 4280 Borken De Haane | Trestle with box-section beam - incorporates geared drive for rollers supporting heavy workpieces |
| CN101254582A (en) * | 2008-02-26 | 2008-09-03 | 安阳鑫盛机床有限公司 | Self-centering machine tool center bracket system |
| CN201192795Y (en) * | 2008-05-12 | 2009-02-11 | 险峰机床厂 | Integrated apparatus of center frame and soft landing |
| CN201471166U (en) * | 2009-07-22 | 2010-05-19 | 徐州工业职业技术学院 | Self-centering, scrolling support center frame |
| CN201604005U (en) * | 2009-12-03 | 2010-10-13 | 安东石油技术（集团）有限公司 | Fine-adjustment device of bushing processing central bracket |
| CN201760759U (en) * | 2009-05-25 | 2011-03-16 | 成都焊研威达自动焊接设备有限公司 | Special roller shelf |
| CN102756234A (en) * | 2012-07-31 | 2012-10-31 | 成都佳士科技有限公司 | Long-shaft roller carrier |
-
2012
- 2012-12-20 CN CN2012105568498A patent/CN103056676A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1211014A2 (en) * | 1984-10-10 | 1986-02-15 | Сибирский Филиал Государственного Всесоюзного Ордена Трудового Красного Знамени Научно-Исследовательского Технологического Института Ремонта И Эксплуатации Машинно-Тракторного Парка | Follow-rest |
| US4766703A (en) * | 1986-04-04 | 1988-08-30 | Giustina International S.P.A. | Adjustable support rest for a cylinder grinding machines or the like |
| DE4026948C1 (en) * | 1990-08-25 | 1991-10-17 | Franz 4280 Borken De Haane | Trestle with box-section beam - incorporates geared drive for rollers supporting heavy workpieces |
| CN101254582A (en) * | 2008-02-26 | 2008-09-03 | 安阳鑫盛机床有限公司 | Self-centering machine tool center bracket system |
| CN201192795Y (en) * | 2008-05-12 | 2009-02-11 | 险峰机床厂 | Integrated apparatus of center frame and soft landing |
| CN201760759U (en) * | 2009-05-25 | 2011-03-16 | 成都焊研威达自动焊接设备有限公司 | Special roller shelf |
| CN201471166U (en) * | 2009-07-22 | 2010-05-19 | 徐州工业职业技术学院 | Self-centering, scrolling support center frame |
| CN201604005U (en) * | 2009-12-03 | 2010-10-13 | 安东石油技术（集团）有限公司 | Fine-adjustment device of bushing processing central bracket |
| CN102756234A (en) * | 2012-07-31 | 2012-10-31 | 成都佳士科技有限公司 | Long-shaft roller carrier |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407832A (en) * | 2013-08-30 | 2013-11-27 | 无锡宝南机器制造有限公司 | Circumferential fine-adjusting mechanism on roll paper folder |
| CN103863886A (en) * | 2014-03-28 | 2014-06-18 | 江苏华宇印涂设备集团有限公司 | Accumulation machine adjusting device |
| CN109132679A (en) * | 2018-09-27 | 2019-01-04 | 湖州市韶春纸业有限公司 | A kind of hardboard cutter eccentricity fine adjustment structure |
| CN109551262A (en) * | 2018-12-27 | 2019-04-02 | 齐齐哈尔二机床(集团)有限责任公司 | Open center rest micromatic setting |
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Effective date of registration: 20151106 Address after: 201400, Shanghai, Fengxian District, 19 Lang Road, No. 3 Applicant after: SHANGHAI BRANCH OF SANY GROUP CO., LTD. Address before: 201413, No. two, 318 Avenue, Lingang Industrial Park, Shanghai, Fengxian District, A Applicant before: Seiki Co., Ltd. Shanghai Sany |
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| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20170111 |
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| AD01 | Patent right deemed abandoned |