CN106181925B - A kind of angular rotary positioning mechanism - Google Patents
A kind of angular rotary positioning mechanism Download PDFInfo
- Publication number
- CN106181925B CN106181925B CN201610711940.0A CN201610711940A CN106181925B CN 106181925 B CN106181925 B CN 106181925B CN 201610711940 A CN201610711940 A CN 201610711940A CN 106181925 B CN106181925 B CN 106181925B
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- China
- Prior art keywords
- fixed
- substrate
- mounting blocks
- rack gear
- cam follower
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The present invention provides a kind of angular rotary positioning mechanism, including rotating platform, substrate, hydraulic bjuffer seat, sliding block and rack gear mounting blocks, spur rack is installed on rack gear mounting blocks, rack gear mounting blocks are fixed on sliding block, sliding block and linear guide form sliding pair, linear guide is fixed in guide rail fixing seat, guide rail fixing seat is fixed on substrate, cylinder mounting base is fixed on substrate, cylinder is fixed in cylinder mounting base, Cam Follower is installed on substrate by follower support, tapered roller bearing is mounted on bearing block, spur gear is limited in shaft by the axle sleeve of two sides, rotating platform is fixed in shaft；The present invention has following the utility model has the advantages that efficiently solve previous sprocket wheel chain drive motion process unstable, the problem that chain gap causes rotational angle inaccurate, and motor drives sprocket wheel chain structure process complicated, and it is at high cost, to the demanding problem of precision of equipment installation.
Description
Technical field
The present invention is a kind of angular rotary positioning mechanism, belongs to machinery equipment field.
Background technique
Angular rotary positioning mechanism is widely used in the equipment of industrial product, mainly to complete specific 90 ° of rotations, determine
The functions such as position.Common angular rotary positioning mechanism has motor sprocket chain drive, motor toothed belt transmission etc., but above-mentioned class
Mechanism structure is complicated, at high cost, requires height to precision of equipment installation, angular limit is inaccurate.
It is found by update search, using the sliding pair that linear guide, sliding block form spur rack transverse shifting is driven
The technology of spur gear shaft rotation is relatively fewer, and the invention can be unstable with effective solution drive motion process, rotational angle
Inaccurate problem.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of angular rotary positioning mechanism, on solving
The problem of proposing in background technique is stated, the present invention is easy to use, and it is ingenious in design convenient for operation, improve the market competitiveness.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of angular rotational positioning machine
Structure, including rotating platform, substrate, hydraulic bjuffer seat, sliding block and rack gear mounting blocks are provided on the hydraulic bjuffer seat
Hydraulic bjuffer is equipped with spur rack and detection lug on the rack gear mounting blocks, and the rack gear mounting blocks are fixed on sliding block, sliding
Block and linear guide form sliding pair, and linear guide is fixed in guide rail fixing seat, and guide rail fixing seat is fixed on substrate, cylinder
Mounting base is fixed on substrate, and cylinder is fixed in cylinder mounting base, and Cam Follower is installed on substrate by follower support
On, tapered roller bearing is mounted on bearing block, and spur gear is limited in shaft by the axle sleeve of two sides, and rotating platform is fixed on
In shaft, it is provided on the outside of the substrate close to switch bracket, it is described to be provided with close on switch bracket close to switch.
Further, the cylinder is connect by floating junction with rack gear mounting blocks, thus the kinetic force for providing cylinder
It enough acts on rack gear mounting blocks.
Further, there are four the Cam Follower settings, there are four the follower support settings, follower support
It is made of Cam Follower support one and Cam Follower support two, four Cam Followers pass through Cam Follower support one
And Cam Follower support two is installed on substrate, four Cam Followers by Cam Follower support one and cam with
Dynamic device support two adjusts the height on substrate.
Further, there are two the tapered roller bearing is set.
Further, lock washer is mounted in shaft, and lock washer is up and down for limit rotary shaft.
Further, by the cooperation of bearing block and tapered roller bearing, shaft and only one freedom degree of rotating platform,
It i.e. can only rotary motion in the horizontal direction.
Further, by the movement of rack gear mounting blocks force the spur rack turn spur fixed with rack gear mounting blocks and
Its shaft is along the azimuthal rotational motion determined.
Further, the substrate side is provided with limit support, is provided with hard limit on the limit support.
Beneficial effects of the present invention: a kind of angular rotary positioning mechanism of the invention efficiently solves previous sprocket wheel chain
Drive motion process is unstable, and the problem and motor that chain gap causes rotational angle inaccurate drive sprocket wheel chain structure
Complex process, at high cost, the problem of high (chain joint number) is required to precision of equipment installation.The cost of manufacture of this mechanism is lower, effect
Rate is higher, installation is more convenient.It is acted on rack gear mounting blocks using the power that cylinder provides, sliding block and linear guide composition slide
Secondary characteristic, so that the angle of rotation is more accurate, more accurate positioning.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is a kind of main view of angular rotary positioning mechanism of the present invention；
Fig. 2 is a kind of isometric side schematic diagram one of angular rotary positioning mechanism of the present invention；
Fig. 3 is a kind of isometric side schematic diagram two of angular rotary positioning mechanism of the present invention；
Fig. 4 is a kind of explosive view of angular rotary positioning mechanism of the present invention；
In figure: 1, rotating platform, 2, substrate, 3, sliding block, 4, guide rail fixing seat, 5, linear guide, 6, spur rack, 7, rack gear
Mounting blocks, 8, shaft, 9, bearing block, 10, spur gear, 11, tapered roller bearing, 12, axle sleeve, 13, hydraulic bjuffer seat, 14,
Lock washer, 15, Cam Follower support one, 16 Cam Follower supports two, 17, Cam Follower, 18, hydraulic bjuffer,
19, cylinder, 20, floating junction, 21, detection lug, 22, close to switch, 23, close to switch bracket, 24, hard limit, 25, cylinder it is solid
Reservation, 26, limit support.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are please referred to, the present invention provides a kind of technical solution: a kind of angular rotary positioning mechanism, packet
Rotating platform 1, substrate 2, hydraulic bjuffer seat 13, sliding block 3 and rack gear mounting blocks 7 are included, are provided on hydraulic bjuffer seat 13
Hydraulic bjuffer 18 is equipped with spur rack 6 and detection lug 21 on rack gear mounting blocks 7, and rack gear mounting blocks 7 are fixed on sliding block 3, sliding
Block 3 and linear guide 5 form sliding pair, and linear guide 5 is fixed in guide rail fixing seat 4, and guide rail fixing seat 4 is fixed on substrate 2
On, cylinder mounting base 25 is fixed, and cylinder 19 is fixed in cylinder mounting base 25 on a substrate 2, and Cam Follower 17 passes through servo-actuated
Device support is installed on substrate 2, and tapered roller bearing 11 is mounted on bearing block 9, and spur gear 10 is limited by the axle sleeve 12 of two sides
In shaft 8, rotating platform 1 is fixed in shaft 8 for position, and the outside of substrate 2 is provided with close to switch bracket 23, close to switch branch
It is provided on frame close to switch 22.
Cylinder 19 is connect by floating junction 20 with rack gear mounting blocks 7, so that the power for enabling cylinder 19 to provide acts on
In on rack gear mounting blocks 7.
There are four the settings of Cam Follower 17, and there are four the settings of follower support, and follower support is by Cam Follower branch
Seat 1 and Cam Follower support 2 16 are constituted, and four Cam Followers 17 pass through Cam Follower support 1 and convex
Wheel follower support 2 16 is installed on substrate 2, and four Cam Followers 17 pass through Cam Follower support 1 and cam
The height of the adjustment of follower support 2 16 on a substrate 2.
There are two tapered roller bearing 11 is set, lock washer 14 is mounted in shaft 8, and lock washer 14 is used for limit rotary shaft
8 it is up and down.
By the cooperation of bearing block 9 and tapered roller bearing 11, shaft 8 and only one freedom degree of rotating platform 1, i.e., only
Can rotary motion in the horizontal direction, forced by the movement of rack gear mounting blocks 7 and driven with the fixed spur rack 6 of rack gear mounting blocks 7
Spur gear 10 and its shaft 8 are along determining azimuthal rotational motion.
2 side of substrate is provided with limit support 26, limits and is provided with hard limit 24 on support 26, utilizes hydraulic bjuffer 18
And 24 characteristics of hard limit realize the limit function for determining stroke.
As one embodiment of the present of invention: it is unstable to efficiently solve previous sprocket wheel chain drive motion process, chain
The problem and motor that gap causes rotational angle inaccurate drive sprocket wheel chain structure process complicated, at high cost, pacify to equipment
The problem of filling required precision high (chain joint number).The cost of manufacture of this mechanism is lower, it is more efficient, installation it is more convenient.Utilize gas
The power that cylinder 19 provides acts on rack gear mounting blocks 7, and sliding block 3 and linear guide 5 form the characteristic of sliding pair, so that rotate
Angle is more accurate, more accurate positioning.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (1)
1. a kind of angular rotary positioning mechanism, including rotating platform, substrate, hydraulic bjuffer seat, sliding block and rack gear mounting blocks,
It is characterized by: be provided with hydraulic bjuffer on the hydraulic bjuffer seat, be equipped on the rack gear mounting blocks spur rack and
Detection lug, the rack gear mounting blocks are fixed on sliding block, and sliding block and linear guide form sliding pair, and linear guide is fixed on guide rail
In fixing seat, guide rail fixing seat is fixed on substrate, and cylinder mounting base is fixed on substrate, and cylinder is fixed on cylinder mounting base
On, Cam Follower is installed on substrate by follower support, and tapered roller bearing is mounted on bearing block, and spur gear passes through
The axle sleeve of two sides limits in shaft, and rotating platform is fixed in shaft, is provided on the outside of the substrate close to switch bracket,
It is described to be provided with close on switch bracket close to switch；The cylinder is connect by floating junction with rack gear mounting blocks, to make
The power that cylinder provides can act on rack gear mounting blocks；There are four the Cam Follower settings, the follower support
There are four settings, and follower support is made of Cam Follower support one and Cam Follower support two, four cam followings
Device is installed on substrate by Cam Follower support one and Cam Follower support two, and four Cam Followers pass through cam
Follower support one and Cam Follower support two adjust the height on substrate；There are two the tapered roller bearing is set；
Lock washer is mounted in shaft, and lock washer is up and down for limit rotary shaft；Pass through bearing block and tapered roller bearing
Cooperation, shaft and only one freedom degree of rotating platform that is, can only rotary motions in the horizontal direction；Pass through rack gear mounting blocks
Movement forces the spur rack turn spur and its shaft fixed with rack gear mounting blocks along the azimuthal rotational motion determined；The base
Plate side is provided with limit support, is provided with hard limit on the limit support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610711940.0A CN106181925B (en) | 2016-08-24 | 2016-08-24 | A kind of angular rotary positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610711940.0A CN106181925B (en) | 2016-08-24 | 2016-08-24 | A kind of angular rotary positioning mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106181925A CN106181925A (en) | 2016-12-07 |
| CN106181925B true CN106181925B (en) | 2019-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610711940.0A Active CN106181925B (en) | 2016-08-24 | 2016-08-24 | A kind of angular rotary positioning mechanism |
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| Country | Link |
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| CN (1) | CN106181925B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107322255B (en) * | 2017-07-14 | 2023-09-12 | 上海天永智能装备股份有限公司 | Lifting mechanism |
| CN108045861B (en) * | 2017-12-28 | 2023-11-21 | 北京朗视仪器股份有限公司 | Fixed angle rotary mechanism |
| CN110697399A (en) * | 2019-10-10 | 2020-01-17 | 江苏港星方能超声洗净科技有限公司 | Power rotating platform structure |
| CN110936366A (en) * | 2019-11-22 | 2020-03-31 | 长沙市奥思得精工模具有限公司 | Rotating device of automobile checking fixture |
| CN113275927A (en) * | 2021-05-28 | 2021-08-20 | 烟台艾迪精密机械股份有限公司 | Automatic positioning and clamping tool |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5590251A (en) * | 1978-12-27 | 1980-07-08 | Shinpo Kogyo Kk | Pallet for machining |
| SU1590338A1 (en) * | 1987-11-25 | 1990-09-07 | Производственное объединение по шестерням "Минсктракторозапчасть" | Turntable |
| CN200968398Y (en) * | 2006-11-17 | 2007-10-31 | 初丹 | Transmission device used for circular disk rotary type brick-making machine |
| CN202684532U (en) * | 2012-07-11 | 2013-01-23 | 上海东岩机械零部件有限公司 | Automatic reversing working platform device accurate in location |
| CN202805197U (en) * | 2012-09-28 | 2013-03-20 | 泉州市星宇智能设备有限公司 | Rotation regulation positioning device of full-automatic mechanical arm |
| CN203045240U (en) * | 2012-12-28 | 2013-07-10 | 烟台宇信科技有限公司 | Pneumatic rotating working platform |
| CN203266131U (en) * | 2013-06-03 | 2013-11-06 | 车振胜 | Working platform bringing convenience to workpiece adjustment and corresponding drilling and milling equipment convenient to control |
| CN203585192U (en) * | 2013-11-06 | 2014-05-07 | 天津福臻工业装备有限公司 | In-position buffering mechanism |
| CN205928369U (en) * | 2016-08-25 | 2017-02-08 | 宁夏共享机床辅机有限公司 | Angle rotational positioning mechanism |
-
2016
- 2016-08-24 CN CN201610711940.0A patent/CN106181925B/en active Active
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|---|---|
| CN106181925A (en) | 2016-12-07 |
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