CN203516702U - High-speed long-distance gear and rack driving device and guide and anti-backlash mechanism thereof - Google Patents

High-speed long-distance gear and rack driving device and guide and anti-backlash mechanism thereof Download PDF

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Publication number
CN203516702U
CN203516702U CN201320566295.XU CN201320566295U CN203516702U CN 203516702 U CN203516702 U CN 203516702U CN 201320566295 U CN201320566295 U CN 201320566295U CN 203516702 U CN203516702 U CN 203516702U
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CN
China
Prior art keywords
backlash
camshaft
gear
movement
rack
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320566295.XU
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Chinese (zh)
Inventor
夏丽英
王苏兴
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Changzhou College of Information Technology CCIT
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Changzhou College of Information Technology CCIT
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Priority to CN201320566295.XU priority Critical patent/CN203516702U/en
Application granted granted Critical
Publication of CN203516702U publication Critical patent/CN203516702U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a high-speed long-distance gear and rack driving device and a guide and anti-backlash mechanism of the high-speed long-distance gear and rack driving device. The guide and anti-backlash mechanism comprises a guide rotating plate, an anti-backlash camshaft, a locking nut, a first connecting bearing and a guide wheel; one end of the guide rotating plate is in rotating connection with a gear shaft in the gear and rack driving device, and the other end of the guide rotating plate is provided with a camshaft hole; the anti-backlash camshaft penetrates through the camshaft hole in the guide rotating plate, the upper end of the anti-backlash camshaft is in threaded connection with the locking nut, and the lower end of the anti-backlash camshaft is connected with the guide wheel through the first connecting bearing. By rotating the anti-backlash camshaft, the gap between a gear and a rack is eliminated; the guide wheel presses against a guide rail through the connecting bearing, and then guide and anti-backlash operation can be well carried out as long as the locking nut is screwed up. The high-speed long-distance gear and rack driving device and the guide and anti-backlash mechanism of the high-speed long-distance gear and rack driving device are reasonable and compact in structural design and have an obvious anti-backlash effect, thereby having quite high practical value.

Description

A kind of high speed length is apart from rack and pinion drive and guiding thereof, anti-backlash mechanism
Technical field
The utility model relates to a kind of anti-backlash mechanism, and particularly a kind of high speed length is apart from rack and pinion drive and special-purpose guiding, anti-backlash mechanism thereof.
Background technique
Along with the application of robot automatic welding technique, supporting tooling device is to the market demand of intelligent, high efficiency future development, require that the scope of processing is increasing, precision is more and more higher, movement velocity is more and more faster with it, this just requires welding jig must have reliable and stable drive system.At present, at common mechanical transmission middle gear tooth bar, adopt the kind of drive of rigid engagement; The occasion having higher requirements adopts the kind of drive with backlash eliminating equipment; Automatic gap eliminating device > > such as the disclosed < < of a patent 2012202987086 gear rack transmission, comprises drive unit and pitch wheel, tooth bar; Described gear is connected with the motor shaft end in drive unit; Also there is drive unit scaffold and spring compression mechanism, described drive unit scaffold is arranged on the below of drive unit, the left side of drive unit scaffold is provided with by the fixing connecting plate of fastening piece, and right side is provided with the otic placode of " U " shape of fixing by fastening piece; Described connecting plate is hinged by rotating shaft and rotating shaft frame; Described spring compression mechanism comprises pretension screw and preloading spring; Described pretension screw is arranged in " U " type groove of otic placode, and pretension screw is threaded with fixed plate; Described preloading spring is socketed between the head and otic placode of pretension screw.But above device can only be applicable to the situation of low cruise; When gear rack at a high speed, under long distance running because motion guide rail is longer, machining error is inevitable, shake aggravation at once in motion, now except eliminating gap, also must be anti-shake; Otherwise along with the increase of working time, the wearing and tearing of gear strengthen gradually, operation is steady, precision reduces, and finally affects the working life of equipment.
Model utility content
The purpose of this utility model is to solve the problem that prior art exists, and provides a kind of applicable high speed length apart from guiding, the anti-backlash mechanism of rack and pinion drive and adopts the high speed length of this mechanism apart from rack and pinion drive.
The technological scheme that realizes the utility model object is a kind of at a high speed long guiding, anti-backlash mechanism apart from rack and pinion drive, and described guiding, anti-backlash mechanism comprise guided rotation plate, the gap that disappears camshaft, locking nut, the first connection bearing and upper saw pulley; One end of described guided rotation plate and the gear shaft in rack and pinion drive are rotationally connected, and the other end arranges camshaft hole; The described gap camshaft that disappears is through the camshaft hole on guiding driver plate, and its upper end is threaded with locking nut, and lower end is connected with upper saw pulley by the first connection bearing.
Thus, the utility model also provides a kind of high speed length apart from rack and pinion drive, comprises drive unit, gear, tooth bar, gear shaft, guide rail and movement means bindiny mechanism; The output terminal of described drive unit connects gear by gear shaft; Described tooth bar is fixed on the side of guide rail, meshes with gear; Described movement means bindiny mechanism is connected with drive unit; It is characterized in that: also comprise guiding, anti-backlash mechanism; Described guiding, anti-backlash mechanism comprise guided rotation plate, the gap that disappears camshaft, locking nut, the first connection bearing and upper saw pulley; One end of described guided rotation plate is rotationally connected by the second connection bearing and gear shaft, and the other end arranges camshaft hole; The described gap camshaft that disappears is through the camshaft hole on guiding driver plate, and its upper end is threaded with locking nut, and lower end is connected with upper saw pulley by the first connection bearing.
Specifically, described drive unit comprises motor, retarder and drive unit scaffold; Described drive unit scaffold is arranged on the top of the guided rotation plate of guiding, anti-backlash mechanism, for mounted motor and retarder.
Specifically, described movement means bindiny mechanism comprises rotatingshaft, the 3rd connection bearing, movement means connecting plate and movement means bindiny mechanism mounting plate; Described movement means connecting plate is used for connecting movement means, and two rotating shaft connecting plates are set on it, by the 3rd connection bearing, is rotationally connected respectively with the two ends of rotatingshaft; Described movement means bindiny mechanism mounting plate is connected with the drive unit scaffold of drive unit.
As preferably, one end of the guided rotation plate of described guiding, anti-backlash mechanism arranges two groups of the gap camshafts that disappear, locking nut, the first connection bearing and upper saw pulleys.
Adopted technique scheme, the utlity model has following beneficial effect: (1) is because guide rail is long, machining error is inevitable, if general backlash eliminating equipment, when high speed operation, will produce violent shake; The gap that the utility model disappears between gap camshaft elimination gear and tooth bar by rotation, is pressed on guide rail upper saw pulley by connection bearing, then tightens locking nut and can well lead and disappear gap work.
(2) high speed length of the present utility model has adopted several groups of bearings to connect apart from rack and pinion drive, the shake producing is just adjusted well and is cushioned by several groups of floating connections, thereby eliminated shake, as long as regularly carry out the adjustment of camshaft, comparatively closely, the shake in the time of just eliminating well gap and anti-motion, makes motion steadily reliable in engagement between assurance gear rack, guarantee the working life of equipment, there is good use value.
(3) the utility model reasonable in design, compactness, the gap that disappears successful, has sizable use value.
Accompanying drawing explanation
For content of the present utility model is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is plan view of the present utility model.
Fig. 2 is stereogram of the present utility model.
Attached number in the figure is: guiding anti-backlash mechanism 1, guided rotation plate 11, the gap that disappears camshaft 12, locking nut 13, the first connection bearing 14, upper saw pulley 15, drive unit 2, motor 21, retarder 22, drive unit scaffold 23, base plate 23-1, side plate 23-2, gear 3, tooth bar 4, gear shaft 5, guide rail 6, movement means bindiny mechanism 7, rotatingshaft 71, the 3rd connection bearing 72, movement means connecting plate 73, movement means bindiny mechanism mounting plate 74, the second connection bearing 8.
Embodiment
(embodiment 1)
See Fig. 1 and Fig. 2, the present embodiment for long guiding, anti-backlash mechanism 1 apart from rack and pinion drive at a high speed comprise guided rotation plate 11, the gap that disappears camshaft 12, locking nut 13, the first connection bearing 14 and upper saw pulley 15; One end of guided rotation plate 11 and the gear shaft in rack and pinion drive are rotationally connected, and the other end arranges camshaft hole; The gap that disappears camshaft 12 is through the camshaft hole on guiding driver plate 11, and its upper end is threaded with locking nut 13, and lower end is connected with upper saw pulley 15 by the first connection bearing 14.
Use it for long apart from rack and pinion drive at a high speed, in order to obtain better anti-shake effect, whole device is also provided with more bearing and connects, specifically, see Fig. 1 and Fig. 2, length comprises drive unit 2, gear 3, tooth bar 4, gear shaft 5, guide rail 6 and movement means bindiny mechanism 7 apart from rack and pinion drive at a high speed; The output terminal of drive unit 2 connects gear 3 by gear shaft 5; Tooth bar 4 is fixed on the side of guide rail 6, with gear 3 engagements; Movement means bindiny mechanism 7 is connected with drive unit 2; It is characterized in that: also comprise guiding, anti-backlash mechanism 1; Guiding, anti-backlash mechanism 1 comprises guided rotation plate 11, the gap that disappears camshaft 12, locking nut 13, the first connection bearing 14 and upper saw pulley 15; One end of guided rotation plate 11 is rotationally connected with gear shaft 5 by the second connection bearing 8, and the other end arranges two camshaft holes; There are thus two groups of gap camshafts 12 that disappear, locking nut 13, the first connection bearing 14 and upper saw pulley 15.The gap camshaft 12 that disappears in every group is through the camshaft hole on guiding driver plate 11, and its upper end is threaded with locking nut 13, and lower end is connected with upper saw pulley 15 by the first connection bearing 14.Drive unit 2 comprises motor 21, retarder 22 and drive unit scaffold 23; Drive unit scaffold 23 is for mounted motor 21 and retarder 22, and its base plate 23-1 is arranged on the top of the guided rotation plate 11 of guiding, anti-backlash mechanism 1.Movement means bindiny mechanism 7 comprises rotatingshaft 71, the 3rd connection bearing 72, movement means connecting plate 73He movement means bindiny mechanism mounting plate 74; Movement means connecting plate 73, for connecting movement means, arranges two rotating shaft connecting plate 73-1 on it, by the 3rd connection bearing 72, be rotationally connected respectively with the two ends of rotatingshaft 71; Movement means bindiny mechanism mounting plate 74 is connected with the side plate 23-2 of the drive unit scaffold 23 of drive unit 2.
High speed is long apart from first rotating two groups of gap camshafts 12 that disappear after rack and pinion drive Installation and Debugging well, eliminate the gap between gear 3 and tooth bar 4, by the first connection bearing 14, two upper saw pulleys 15 are pressed on guide rail 6, then tighten two locking nuts 13.
Above-described specific embodiment; the purpose of this utility model, technological scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (5)

1. for high speed long guiding, an anti-backlash mechanism apart from rack and pinion drive, it is characterized in that: described guiding, anti-backlash mechanism (1) comprise guided rotation plate (11), the gap that disappears camshaft (12), locking nut (13), the first connection bearing (14) and upper saw pulley (15); One end of described guided rotation plate (11) and the gear shaft in rack and pinion drive are rotationally connected, and the other end arranges camshaft hole; The described gap camshaft (12) that disappears is through the camshaft hole on guiding driver plate (11), and its upper end is threaded with locking nut (13), and lower end is connected with upper saw pulley (15) by the first connection bearing (14).
2. long apart from a rack and pinion drive at a high speed, comprise drive unit (2), gear (3), tooth bar (4), gear shaft (5), guide rail (6) and movement means bindiny mechanism (7); The output terminal of described drive unit (2) connects gear (3) by gear shaft (5); Described tooth bar (4) is fixed on the side of guide rail (6), meshes with gear (3); Described movement means bindiny mechanism (7) is connected with drive unit (2); It is characterized in that: also comprise guiding, anti-backlash mechanism (1); Described guiding, anti-backlash mechanism (1) comprise guided rotation plate (11), the gap that disappears camshaft (12), locking nut (13), the first connection bearing (14) and upper saw pulley (15); One end of described guided rotation plate (11) is rotationally connected by the second connection bearing (8) and gear shaft (5), and the other end arranges camshaft hole; The described gap camshaft (12) that disappears is through the camshaft hole on guiding driver plate (11), and its upper end is threaded with locking nut (13), and lower end is connected with upper saw pulley (15) by the first connection bearing (14).
3. a kind of high speed length according to claim 2, apart from rack and pinion drive, is characterized in that: described drive unit (2) comprises motor (21), retarder (22) and drive unit scaffold (23); Described drive unit scaffold (23) is arranged on the top of the guided rotation plate (11) of guiding, anti-backlash mechanism (1), for mounted motor (21) and retarder (22).
According to a kind of high speed length described in claim 2 or 3 apart from rack and pinion drive, it is characterized in that: described movement means bindiny mechanism (7) comprises rotatingshaft (71), the 3rd connection bearing (72), movement means connecting plate (73) and movement means bindiny mechanism mounting plate (74); Described movement means connecting plate (73), for connecting movement means, arranges two rotating shaft connecting plates (73-1) on it, by the 3rd connection bearing (72), be rotationally connected respectively with the two ends of rotatingshaft (71); Described movement means bindiny mechanism's mounting plate (74) is connected with the drive unit scaffold (23) of drive unit (2).
5. a kind of high speed length according to claim 4, apart from rack and pinion drive, is characterized in that: one end of the guided rotation plate (11) of described guiding, anti-backlash mechanism (1) arranges two groups of the gap camshafts (12) that disappear, locking nut (13), the first connection bearing (14) and upper saw pulleys (15).
CN201320566295.XU 2013-09-12 2013-09-12 High-speed long-distance gear and rack driving device and guide and anti-backlash mechanism thereof Expired - Fee Related CN203516702U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320566295.XU CN203516702U (en) 2013-09-12 2013-09-12 High-speed long-distance gear and rack driving device and guide and anti-backlash mechanism thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320566295.XU CN203516702U (en) 2013-09-12 2013-09-12 High-speed long-distance gear and rack driving device and guide and anti-backlash mechanism thereof

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CN203516702U true CN203516702U (en) 2014-04-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105084182A (en) * 2015-07-20 2015-11-25 安徽无为冠雄建材机械有限公司 Drive mechanism for end face positioning device
CN105598728A (en) * 2016-03-31 2016-05-25 重庆工商职业学院 Boring tool mounting method beneficial to gap elimination

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105084182A (en) * 2015-07-20 2015-11-25 安徽无为冠雄建材机械有限公司 Drive mechanism for end face positioning device
CN105598728A (en) * 2016-03-31 2016-05-25 重庆工商职业学院 Boring tool mounting method beneficial to gap elimination
CN105598728B (en) * 2016-03-31 2018-06-19 重庆工商职业学院 A kind of boring cutter installation method for being conducive to eliminate gap

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140402

Termination date: 20150912

EXPY Termination of patent right or utility model