CN105750975A - Optical axis gapless axial transmission sliding block structure - Google Patents
Optical axis gapless axial transmission sliding block structure Download PDFInfo
- Publication number
- CN105750975A CN105750975A CN201610330545.8A CN201610330545A CN105750975A CN 105750975 A CN105750975 A CN 105750975A CN 201610330545 A CN201610330545 A CN 201610330545A CN 105750975 A CN105750975 A CN 105750975A
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- China
- Prior art keywords
- sliding block
- optical axis
- top shoe
- bearing
- thrust mechanism
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- 230000003287 optical effect Effects 0.000 title claims abstract description 49
- 230000005540 biological transmission Effects 0.000 title abstract description 6
- 238000005096 rolling process Methods 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 230000003068 static effect Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 2
- 238000009827 uniform distribution Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 240000006409 Acacia auriculiformis Species 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/54—Arrangements or details not restricted to group B23Q5/02 or group B23Q5/22 respectively, e.g. control handles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention discloses an optical axis gapless axial transmission sliding block structure. The optical axis gapless axial transmission sliding block structure comprises an upper sliding block and a lower sliding block which move on an optical axis front and back. The upper sliding block is hinged to the lower sliding block through a shaft pin. Bearing thrust mechanisms are arranged inside the sliding blocks at the front side and the rear side of the shaft pin respectively. Each bearing thrust mechanism comprises three rolling bearings which are evenly distributed circumferentially. Included angles are formed between axes of the rolling bearings and the axial position. Sliding block thrust mechanisms are arranged between the upper sliding block and the lower sliding block at the front end and the rear end respectively. The sliding block thrust mechanisms comprise pistons on the left side and the right side of the optical axis. The pistons are arranged in piston cavities correspondingly formed in the upper sliding block or the lower sliding block. The piston cavities are communicated with a pressure channel in the upper sliding block or the lower sliding block in parallel. Inlet gas or oil of the front or rear piston cavity jacks the sliding block at the corresponding end through the corresponding piston to press the sliding block at the other end, and the rolling bearings of the bearing thrust mechanisms at the pressing end clamp the optical axis, and clamping points are located on the same screw line. The motion directions of the sliding blocks can be changed when the optical axis rotates in one direction.
Description
Technical field
The present invention relates to drive mechanism, be specially a kind of axial driving block structure of optical axis zero-clearance.
Background technology
Ball-screw-transmission sub-quilt is widely used on Digit Control Machine Tool, it is possible to circular motion is converted into rectilinear motion: the secondary main employing screw mandrel of current ball-screw-transmission coordinates with nut, screw mandrel rotation forces nut rectilinear motion.
Threaded area on described screw mandrel determines the range of movement of nut so that it is impulse stroke is restricted；It addition, the utilization that working environment makes ball-screw-transmission secondary is restricted, as used under serious dust and oil pollution environment；Furthermore the fit clearance of screw mandrel and nut, causes producing pause when nut moves discontinuous, affects transmission accuracy.
Summary of the invention
For the deficiencies in the prior art, the technical problem to be solved is to propose a kind of can work under complex environment and the axial driving block structure of optical axis zero-clearance that transmission accuracy is high.
Can solve the problem that the axial driving block structure of the optical axis zero-clearance of above-mentioned technical problem, its technical scheme include optical axis and on optical axis the slide block of forward and backward movement, institute includes top shoe and sliding block the difference is that described slide block, top shoe and sliding block are hinged by the pivot pin of left and right so that top shoe can forwardly and rearwardly have the rotation of an angle relative to sliding block；It is respectively equipped with bearing thrust mechanism inside the slide block of described pivot pin front and rear sides, each bearing thrust mechanism includes more than three rolling bearings of circumference uniform distribution, the axle center of each rolling bearing all with the angle being axially formed equal angular, the rolling bearing in forward and backward bearing thrust mechanism is contrary with axial angle；It is respectively equipped with slide block thrust mechanism between top shoe and the sliding block of front and back ends, each slide block thrust mechanism includes the piston of optical axis arranged on left and right sides, each piston is located in the plunger shaft that in top shoe or sliding block, correspondence is offered, the outer end of each piston is towards sliding block or top shoe, the pressure channel within the bottom parallel communication top shoe of each plunger shaft or sliding block；Before or after plunger shaft air inlet or oil-feed the piston by correspondence back down the slide block of corresponding end and press down the slide block of the other end, in the bearing thrust mechanism of lower pressure side, more than three rolling bearing clamping optical axises and each clamping point are on same helix, in forward and backward bearing thrust mechanism, the clamping point of rolling bearing is on helix in opposite direction.
Further optimize and be designed as: a rolling bearing of fore bearing thrust mechanism is located at inside top shoe, and another two rolling bearing is located at inside sliding block, or two rolling bearings are located at inside top shoe, and another rolling bearing is located at inside sliding block；One rolling bearing of rear bearing thrust mechanism is located at inside sliding block, and another two rolling bearing is located at inside top shoe, or two rolling bearings are located at inside sliding block, and another rolling bearing is located at inside top shoe.
Further optimize and be designed as: plunger shaft plunger are inwardly offered in the bottom of top shoe front end, and plunger shaft plunger are inwardly offered in the top of sliding block rear end；Or the bottom of top shoe rear end inwardly offers plunger shaft plunger, plunger shaft plunger are inwardly offered in the top of sliding block front end.
Axle center and the preferred angle being axially formed of described rolling bearing select between 10 °～30 °.
Expansion scheme is: at least can arrange two slide blocks on described optical axis, by controlling each slide block and going forward, the air inlet in back piston chamber or oil-feed, each slide block can be made to move simultaneously, or one static and another moves, or simultaneously static.
Beneficial effects of the present invention:
1, the axial driving block structure of optical axis zero-clearance of the present invention coordinates without feed screw nut, adopts bearing thrust mechanism, controls driving torque when slider-actuated workbench works by regulating thrust.
2, the present invention is by the switching of air inlet or oil-feed, it may be achieved optical axis, when a direction rotates, changes the forward and backward moving direction of slide block.
3, the present invention adopts rolling bearing and optical axis to rub so that the impulse stroke of slide block will not be subject on precursor bar the restriction of screw thread, and operating distance is long.
4, without back clearance when the present invention works, transmission accuracy is high.
5, present configuration is simple, easy accessibility, easy access.
Accompanying drawing explanation
Fig. 1 is the detonation configuration figure of one embodiment of the present invention.
Fig. 2 is the three-dimensional structure diagram (concealing sliding block) of Fig. 1 embodiment.
Fig. 3 is the operating diagram (it is low that then side pressure is raised in top shoe front end) of Fig. 1, Fig. 2 embodiment.
Fig. 4 is the operating diagram (top shoe rear end is raised and front end is forced down) of Fig. 1, Fig. 2 embodiment.
Figure number identifies: 1, optical axis；2, top shoe；3, sliding block；4, pivot pin；5, rolling bearing；6, piston；7, plunger shaft；8, pressure channel；9, ear groove；10, otic placode；11, dust ring；12, semicircle orifice；13, bearing shaft.
Detailed description of the invention
Below in conjunction with accompanying drawing illustrated embodiment, technical scheme is described further.
The axial driving block structure of optical axis zero-clearance of the present invention includes optical axis 1 and slide block, described slide block includes top shoe 2 and sliding block 3, top shoe 2 is left, ear groove 9 is offered in the middle part of right flank, a left side is offered on ear groove 9, the perforating of right through top shoe 2, sliding block 3 is left, otic placode 10 is set in the middle part of right flank, pin-and-hole is offered on otic placode 10, a left side for top shoe 2, auris dextra groove 9 is matched with a left side for sliding block 3, auris dextra plate 10, with pivot pin 4 by the pin-and-hole alignd and perforating hinge top shoe 2 and sliding block 3, spacing is retained between top shoe 2 and sliding block 3 after hinge, owing to top shoe 2 defines lever construction, thus top shoe 2 can forwardly and rearwardly have the rotation of certain angle on sliding block 3, such as Fig. 1, Fig. 3, shown in Fig. 4.
Described optical axis 1 (forward and backward) is arranged in slide block by the upper and lower semicircle orifice 12 between in the middle part of top shoe 2 and sliding block 3, card dress dust ring 11 between the upper and lower semicircle orifice 12 of top shoe 2 and sliding block 3 front and rear end, described dust ring 11 is sleeved on optical axis 1；It is respectively equipped with forward and backward bearing thrust mechanism inside slide block inside described pivot pin 4 forward and backward two, it is respectively equipped with forward and backward slide block thrust mechanism between top shoe 2 and the sliding block 3 of front and back ends, described slide block thrust mechanism is in the outside of corresponding bearing thrust mechanism, as shown in Figure 1 and Figure 2.
Fore bearing thrust mechanism includes three rolling bearings 5 arranged around optical axis 1, hexagonal angle distribution it is mutually between each rolling bearing 5, each rolling bearing 5 is arranged in the bearing holding tank in slide block by bearing shaft 13, the axle center of each bearing shaft 13 and be axially respectively formed identical angle (selecting between 10 °～30 °), concrete: a rolling bearing 5 is located at top shoe 2 inside, and two rolling bearings 5 are located at sliding block 3 inside；Rear bearing thrust mechanism also includes three rolling bearings 5 arranged around optical axis 1, hexagonal angle distribution it is mutually between each rolling bearing 5, each rolling bearing 5 is arranged in the bearing holding tank in slide block again by bearing shaft 13, the axle center of each bearing shaft 13 and be axially respectively formed identical angle (selecting between 10 °～30 °), concrete: two rolling bearings 5 are located at top shoe 2 inside, and a rolling bearing 5 is located at sliding block 3 inside；In forward and backward bearing thrust mechanism, rolling bearing 5 axle center is in opposite direction with axial angle, as shown in Figure 1 and Figure 2.
Front-slider thrust mechanism is included in the left and right piston 6 that optical axis 1 both sides are arranged, left and right piston 6 coordinates in the left and right plunger shaft 7 offered inside top shoe 2, in parallel bottom the upper end of left and right plunger shaft 7 connecting the pressure channel 8 that the internal correspondence of top shoe 2 is offered, the lower end of left and right piston 6 is towards sliding block 3；Rear slider thrust mechanism is also included in the left and right piston 6 that optical axis 1 both sides are arranged, left and right piston 6 coordinates in the left and right plunger shaft 7 offered inside sliding block 3, the pressure channel 8 that the internal correspondence of sliding block 3 is offered is connected in the lower end base parallel connection of left and right plunger shaft 7, the upper end of left and right piston 6 is towards top shoe 2, as shown in Figure 1 and Figure 2.
Front-slider thrust mechanism action, namely corresponding pressure channel 8 passes into high pressure gas (also may select and pass into hydraulic oil), promote left and right piston 6 to move downward and be butted on sliding block 3, at present slide block 2 rear end is pressed rising the same of top shoe 2 front end, three rolling bearings 5 making rear bearing thrust mechanism clamp optical axis 1 and three clamping points are on same helix, as shown in Figure 3；Rear slider thrust mechanism action, namely corresponding pressure channel 8 passes into high pressure gas (also may select and pass into hydraulic oil), promote left and right piston 6 to move upward and be butted on top shoe 2, at present slide block 2 front end is pressed rising the same of top shoe 2 rear end, three rolling bearings 5 making fore bearing thrust mechanism clamp optical axis 1 and three clamping points are on same helix, as shown in Figure 4；Under clamped condition, in forward and backward slide block thrust mechanism, the clamping point of three rolling bearings 5 is on oppositely oriented helix.
The operation principle of the present invention:
Under optical axis 1 rotary state (single direction rotation), manipulate forward and backward slide block thrust mechanism by air pressure and can make slide block forward and backward movement and static on optical axis 1.
1, the pressure channel 8 corresponding to forward and backward slide block thrust mechanism is turned off, then top shoe 2 is in lever balance state on sliding block 3, rolling bearing 5 in forward and backward bearing thrust mechanism all loosens the clamping to optical axis 1, and slide block remains static, and available external force promotes slide block to move on optical axis 1.
2, the pressure channel 8 corresponding to front or rear slide block thrust mechanism turn on and under press rear end or the front end of slide block 2, rear or fore bearing thrust mechanism action, three rolling bearings 5 forming helical angle are made to clamp optical axis 1, optical axis 1 promotes rolling bearing 5 because of frictional force, and then band movable slider moves forward or backward at optical axis 1；The size of high pressure gas (or hydraulic oil) pressure decides rolling bearing 5 and clamps the strength size of optical axis 1, thus determining the size of rolling bearing 5 driving torque.
The expansion of the present invention a: optical axis 1 at least can drive two slide block movements, each slide block then drives the working table movement of corresponding connection, can according to the working motion needs of workbench, by controlling each slide block and going forward, the air inlet (or oil-feed) in back piston chamber 7, make each slide block move simultaneously, or one static and another moves or all static, thus meeting the processing request of workpiece on different operating platform.
Claims (5)
1. the axial driving block structure of optical axis zero-clearance, including optical axis (1) with in the slide block of the upper forward and backward movement of optical axis (1), it is characterized in that: described slide block includes top shoe (2) and sliding block (3), top shoe (2) and sliding block (3) are hinged by the pivot pin (4) of left and right so that top shoe (2) can forwardly and rearwardly have the rotation of an angle relative to sliding block (3)；It is respectively equipped with bearing thrust mechanism inside the slide block of described pivot pin (4) front and rear sides, each bearing thrust mechanism includes more than three rolling bearings (5) of circumference uniform distribution, the axle center of each rolling bearing (5) all with the angle being axially formed equal angular, the rolling bearing (5) in forward and backward bearing thrust mechanism is contrary with axial angle；It is respectively equipped with slide block thrust mechanism between top shoe (2) and the sliding block (3) of front and back ends, each slide block thrust mechanism includes the piston (6) of optical axis (1) arranged on left and right sides, in the plunger shaft (7) that each piston (6) is located at top shoe (2) or sliding block (3) interior correspondence is offered, the outer end of each piston (6) towards sliding block (3) or top shoe (2), bottom parallel communication top shoe (2) of each plunger shaft (7) or the internal pressure channel (8) of sliding block (3)；Before or after plunger shaft (7) air inlet or oil-feed the piston (6) by correspondence back down the slide block of corresponding end and press down the slide block of the other end, in the bearing thrust mechanism of lower pressure side, more than three rolling bearings (5) clamping optical axis (1) and each clamping point are on same helix, in forward and backward bearing thrust mechanism, the clamping point of rolling bearing (5) is on helix in opposite direction.
2. the axial driving block structure of optical axis zero-clearance according to claim 1, it is characterized in that: it is internal that a rolling bearing (5) of fore bearing thrust mechanism is located at top shoe (2), it is internal that another two rolling bearing (5) is located at sliding block (3), or two rolling bearings (5) to be located at top shoe (2) internal, it is internal that another rolling bearing (5) is located at sliding block (3)；It is internal that one rolling bearing (5) of rear bearing thrust mechanism is located at sliding block (3), it is internal that another two rolling bearing (5) is located at top shoe (3), or two rolling bearings (5) to be located at sliding block (3) internal, it is internal that another rolling bearing (5) is located at top shoe (2).
3. the axial driving block structure of optical axis zero-clearance according to claim 1, it is characterized in that: plunger shaft (7) plunger (6) are inwardly offered in the bottom of top shoe (2) front end, plunger shaft (7) plunger (6) are inwardly offered in the top of sliding block (3) rear end；Or the bottom of top shoe (2) rear end inwardly offers plunger shaft (7) plunger (6), plunger shaft (7) plunger (6) are inwardly offered in the top of sliding block (3) front end.
4. the axial driving block structure of optical axis zero-clearance according to claim 1, it is characterised in that: the axle center of described rolling bearing (5) and the angle being axially formed 10 °～30 °.
5. the axial driving block structure of optical axis zero-clearance according to any one in Claims 1 to 4, it is characterized in that: described optical axis (1) at least can arrange two slide blocks, by controlling each slide block and going forward, the air inlet of back piston chamber (7) or oil-feed, make each slide block move simultaneously, or one static and another moves or simultaneously static.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610330545.8A CN105750975B (en) | 2016-05-18 | 2016-05-18 | Optical axis zero-clearance axial direction driving block structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610330545.8A CN105750975B (en) | 2016-05-18 | 2016-05-18 | Optical axis zero-clearance axial direction driving block structure |
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| Publication Number | Publication Date |
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| CN105750975A true CN105750975A (en) | 2016-07-13 |
| CN105750975B CN105750975B (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610330545.8A Active CN105750975B (en) | 2016-05-18 | 2016-05-18 | Optical axis zero-clearance axial direction driving block structure |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2705915A1 (en) * | 1993-06-03 | 1994-12-09 | Guitton A | Emergency shutdown (stop) device for machine of the lathe, milling machine, etc. type |
| EP0828338A1 (en) * | 1996-09-09 | 1998-03-11 | F.M. Engineering s.a.s. di Flavio Marelli & C. | Locking device for the releasable coupling of the rotor of an electric spindle |
| CN1565802A (en) * | 2003-06-24 | 2005-01-19 | 清华大学 | Modularization driven branching chain for reconfigurable parallel machine tool |
| CN1821620A (en) * | 2005-02-18 | 2006-08-23 | 徐众 | Self position limit linear actuator |
| CN204843677U (en) * | 2015-07-02 | 2015-12-09 | 锕玛科技股份有限公司 | Ball screw slip table |
| CN205600395U (en) * | 2016-05-18 | 2016-09-28 | 黄勇 | Optical axis zero -clearance axial driving block structure |
-
2016
- 2016-05-18 CN CN201610330545.8A patent/CN105750975B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2705915A1 (en) * | 1993-06-03 | 1994-12-09 | Guitton A | Emergency shutdown (stop) device for machine of the lathe, milling machine, etc. type |
| EP0828338A1 (en) * | 1996-09-09 | 1998-03-11 | F.M. Engineering s.a.s. di Flavio Marelli & C. | Locking device for the releasable coupling of the rotor of an electric spindle |
| CN1565802A (en) * | 2003-06-24 | 2005-01-19 | 清华大学 | Modularization driven branching chain for reconfigurable parallel machine tool |
| CN1821620A (en) * | 2005-02-18 | 2006-08-23 | 徐众 | Self position limit linear actuator |
| CN204843677U (en) * | 2015-07-02 | 2015-12-09 | 锕玛科技股份有限公司 | Ball screw slip table |
| CN205600395U (en) * | 2016-05-18 | 2016-09-28 | 黄勇 | Optical axis zero -clearance axial driving block structure |
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| Publication number | Publication date |
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| CN105750975B (en) | 2017-12-22 |
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Effective date of registration: 20171115 Address after: 541004 room 20, No. 123, Liuhe Road, Seven Star District, Guilin, the Guangxi Zhuang Autonomous Region (now 1 building, Guilin University of Electronic Technology Science Park), room 1223 Applicant after: Guilin union automation equipment Co., Ltd. Address before: 541002 Guilin in the Guangxi Zhuang Autonomous Region city Xiangshan District Tongquan No. 16 Lane 6 unit 7-2 Applicant before: Huang Yong Applicant before: Chen Hong Applicant before: Wu Decheng Applicant before: Liu Yong Applicant before: Huang Shaoqiang Applicant before: Huang Tianchong |
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