CN204248560U - A kind of mechanical type is anti-crosses position protractor - Google Patents
A kind of mechanical type is anti-crosses position protractor Download PDFInfo
- Publication number
- CN204248560U CN204248560U CN201420682712.1U CN201420682712U CN204248560U CN 204248560 U CN204248560 U CN 204248560U CN 201420682712 U CN201420682712 U CN 201420682712U CN 204248560 U CN204248560 U CN 204248560U
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- China
- Prior art keywords
- ratchet
- driving wheel
- rotating shaft
- crossing
- reversing
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Abstract
The utility model discloses that a kind of mechanical type in the field of machining such as handware, automobile fitting, oil connection is anti-crosses position protractor, in rotating shaft coaxial sleeve be equipped with anti-cross position ratchet and limit anti-cross position ratchet position, near the anti-pressing plate crossing position ratchet lower surface; The rotation direction of anti-position ratchet is excessively contrary with the rotation direction of anti-reversing ratchet; When driving wheel does not also forward a minute of angle to, jacking block props up the circular arc portion in driving wheel outer rim, and anti-position ratchet of crossing departs from the anti-tooth crossing position ratchet; When driving wheel forwards a minute of angle to, jacking block just prop up in driving wheel outer rim by face, simultaneously, anti-position ratchet of crossing heads in the anti-tooth crossing position ratchet just, prevent anti-position ratchet of crossing from continuing to rotate to former rotation direction, thus prevented the generation of position phenomenon, ensure that the rotation precision of index dial.
Description
Technical field
The utility model relates to the processing and separating device of the mechanical processing industries such as handware, automobile fitting, oil connection, particularly a kind of protractor realizing the steady feed of interval.
Background technology
Tradition protractor is provided with ratchet, it is the rotational angle in order to control index dial, but ratchet is after rotation minute of angle, certain mechanical oscillation can be produced, cause the generation of ratchet reversal development, the index dial controlled by it also can be reversed, cause the rotational angle of index dial to produce larger error.
The shortcoming that in traditional protractor, ratchet can reverse has been solved in prior art, as long as the bearing pin near ratchet is installed the anti-reversing ratchet of a hook tooth of fitting all the time, just can avoid index dial after rotateing in place because mechanical oscillation produce comparatively greatly the situation of reversion suddenly.
But because ratchet is heavier, very large inertia can be produced in rotation process, when ratchet also can the trend of oriented equidirectional rotation after forwarding position to, position phenomenon easily occur, reduces the rotation precision of index dial.
Utility model content
The purpose of this utility model is to provide the anti-position protractor excessively of a kind of mechanical type, thoroughly can prevent the generation of position phenomenon, ensure the rotation precision of index dial.
The purpose of this utility model is achieved in that a kind of mechanical type is anti-and crosses position protractor, comprise frame, base is fixed in frame, rotating shaft is set with rotationally in the base and passes base, the upper surface of described base is near the index dial of coaxial package in rotating shaft, the lower surface of described base is near the anti-reversing ratchet of coaxial package in rotating shaft, and the lower surface of described anti-reversing ratchet nestles up driving wheel, and described driving wheel is sleeved in rotating shaft rotationally; Wherein, the outer peripheral face of described index dial is evenly equipped with some for receiving the groove of workpiece by minute of angle; The outer rim of described driving wheel is provided with protuberance, and the piston rod of described protuberance and straight line driving mechanism is undertaken hinged by hinge, hinge is provided with and forms supporting, the direct ratchet promoting anti-reversing ratchet and rotate with anti-reversing ratchet; Be provided with bearing pin near outside the edge of described anti-reversing ratchet, described bearing pin is fixed in frame, and is provided with and forms supporting anti-reversing ratchet with anti-reversing ratchet; Described index dial, driving wheel, anti-reversing ratchet are that key is connected with the connected mode of rotating shaft; Described rotating shaft is gone back coaxial sleeve be equipped with anti-cross position ratchet and limit anti-cross position ratchet position, near the anti-pressing plate crossing position ratchet lower surface, anti-ly cross the lower surface of position ratchet near driving wheel, wherein, the anti-rotation direction crossing position ratchet is contrary with the rotation direction of anti-reversing ratchet; Described anti-position ratchet is excessively that key is connected with the connected mode of rotating shaft; Described bearing pin is provided with and forms supporting anti-position ratchet excessively with anti-position ratchet excessively, described anti-position ratchet upper surface is excessively fixed with the jacking block of automatic attaching driving wheel outer rim; When this equipment is in running order, the piston rod of straight line driving mechanism drives driving wheel to rotate; When driving wheel does not also forward a minute of angle to, described jacking block props up the circular arc portion in driving wheel outer rim, and anti-position ratchet of crossing departs from the anti-tooth crossing position ratchet; When driving wheel forwards a minute of angle to, described jacking block props up the tangent plane in driving wheel outer rim just, and meanwhile, anti-position ratchet of crossing is allocated in the anti-tooth crossing position ratchet just.
Operation principle of the present utility model is: when index dial needs to turn over a minute of angle, straight line driving mechanism drives push rod to carry out linearly operating, ratchet props up the tooth of anti-reversing ratchet, promote anti-reversing ratchet to rotate to a direction, and drive rotating shaft to carry out synchronous axial system, index dial rotates simultaneously, and workpiece catches on and by Workpiece fixing wherein by groove.
Turn in the process of a minute of angle at index dial, the circular arc portion of jacking block and driving wheel outer rim keeps in touch, the contact position of jacking block and driving wheel is moved to tangent plane gradually, while index dial just turns over a minute of angle, jacking block by chance contacts with tangent plane, because the circular arc portion of driving wheel outer rim compared by tangent plane, closer to the central shaft of rotating shaft, jacking block can produce the displacement pointing to driving wheel pivot, drives the anti-position ratchet of crossing be attached thereto to snap in the anti-tooth crossing position ratchet; Because the rotation direction of anti-position ratchet is excessively contrary with the rotation direction of anti-reversing ratchet, anti-position ratchet of crossing rotates according to the direction of rotation of anti-reversing ratchet, above-mentioned rotation direction is identical with the rotation direction of anti-reversing ratchet, anti-reversing ratchet is made to complete rotation, and the anti-position ratchet crossed is when rotating according to above-mentioned rotation direction, exactly contrary with the rotation direction of self, so, when anti-mistake when position ratchet snaps in the anti-tooth crossing position ratchet will prop up the anti-tooth crossing position ratchet, anti-position ratchet of crossing can be made at once to stop any rotational action, thus fundamentally prevented the generation of position phenomenon.
Compared with prior art, the beneficial effects of the utility model are: the generation that thoroughly can prevent position phenomenon, and ensure the rotation precision of index dial, and structure-improved is Purely mechanical, have very high reliability, cost is lower, and arranges advantages of simple.
As preferred version of the present utility model, described jacking block is cylinder.The program can prevent jacking block scratch tangent plane, and jacking block can be made to coordinate better with tangent plane.
As further preferred version of the present utility model, described driving wheel is provided with bearing assembly with coordinating between rotating shaft, described bearing assembly comprises the rolling bearing be sleeved in driving wheel endoporus, and be fixed on the upper padding plate of driving wheel upper surface, be fixed on the lower bolster of driving wheel lower surface, described upper padding plate and lower bolster are circular ring.Mainly in order to prevent, driving wheel scratch is anti-crossed position ratchet and anti-reversing ratchet to arrange upper padding plate and lower bolster.
In order to produce good linear drives effect, described straight line driving mechanism is oil cylinder or cylinder.
In order to prevent impurity damage rotating shaft, the upper surface of described rotating shaft and the upper surface flush of index dial, the upper surface of described rotating shaft is fixedly connected with shrouding.
Accompanying drawing explanation
Fig. 1 is constitutional diagram of the present utility model.
Fig. 2 is the decomposing schematic representation in Fig. 1.
Fig. 3 is that the installation in frame coordinates schematic diagram.
Wherein, 1 anti-reversing ratchet, 2 driving wheels, 2a protuberance, 3 straight line driving mechanisms, 4 bearing pins, 5 anti-position ratchets excessively, 6 anti-position ratchets excessively, 7 anti-reversing ratchets, 8 bases, 9 index dials, 9a groove, 10 workpiece, 11 pressing plates, 12 rolling bearings, 13 rotating shafts, 14 ratchets, 15 tangent planes, 16 jacking blocks, 17 piston rods, 18 hinges, 19 frames, 20 shroudings, 21 upper padding plates, 22 lower bolsters.
Detailed description of the invention
As Figure 1-3, a kind of mechanical type is anti-crosses position protractor, comprise frame 19, base 8 is fixed in frame 19, rotating shaft 13 is sleeved on rotationally also through base 8 in base 8, and the upper surface of base 8 is near the index dial 9 of coaxial package in rotating shaft 13, and the lower surface of base 8 is near the anti-reversing ratchet 7 of coaxial package in rotating shaft 13, the lower surface of anti-reversing ratchet 7 nestles up driving wheel 2, and driving wheel 2 is sleeved in rotating shaft 13 rotationally; Wherein, the outer peripheral face of index dial 9 is evenly equipped with some for receiving the groove 9a of workpiece 10 by minute of angle; The outer rim of above-mentioned driving wheel 2 is provided with protuberance 2a, and the piston rod 17 of protuberance 2a and straight line driving mechanism 3 is undertaken hinged by hinge 18, hinge 18 is provided with and forms supporting, the direct ratchet 14 promoting anti-reversing ratchet 7 and rotate with anti-reversing ratchet 7; Be provided with bearing pin 4 near outside the edge of above-mentioned anti-reversing ratchet 7, bearing pin 4 is fixed in frame, and is provided with and forms supporting anti-reversing ratchet 1 with anti-reversing ratchet 7; Above-mentioned index dial 9, driving wheel 2, anti-reversing ratchet 7 are that key is connected with the connected mode of rotating shaft 13; Above-mentioned rotating shaft 13 is gone back coaxial sleeve be equipped with anti-cross position ratchet 6 and limit anti-cross ratchet 6 position, position, near the anti-pressing plate 11 crossing position ratchet 6 lower surface, anti-position ratchet 6 is excessively near the lower surface of driving wheel 2, wherein, the rotation direction of anti-position ratchet 6 is excessively contrary with the rotation direction of anti-reversing ratchet 7;
Above-mentioned anti-position ratchet 6 of crossing is that key is connected with the connected mode of rotating shaft 13; Above-mentioned bearing pin 4 is provided with and forms supporting anti-position ratchet 5 excessively with anti-position ratchet 6 excessively, anti-position ratchet 5 upper surface is excessively fixed with the jacking block 16 of automatic attaching driving wheel 2 outer rim; When this equipment is in running order, the piston rod 17 of straight line driving mechanism 3 drives driving wheel 2 to rotate; When driving wheel 2 does not also forward a minute of angle to, jacking block 16 props up the circular arc portion in driving wheel 2 outer rim, and anti-position ratchet 5 of crossing departs from the anti-tooth crossing position ratchet 6; When driving wheel 2 forwards a minute of angle to, jacking block 16 props up the tangent plane 15 in driving wheel 2 outer rim just, and meanwhile, anti-position ratchet 5 of crossing is allocated in the anti-tooth crossing position ratchet 6 just.
Above-mentioned jacking block 16 is cylinder, can prevent jacking block 16 scratch tangent plane 15.
Above-mentioned driving wheel 2 is provided with bearing assembly with coordinating between rotating shaft 13, described bearing assembly comprises the rolling bearing 12 be sleeved in driving wheel 2 endoporus, and be fixed on the upper padding plate 21 of driving wheel 2 upper surface, be fixed on the lower bolster 22 of driving wheel 2 lower surface, upper padding plate 21 and lower bolster 22 are circular ring.Mainly in order to prevent, driving wheel 2 scratch is anti-crosses position ratchet 6 and anti-reversing ratchet 7 with lower bolster 22 to arrange upper padding plate 21.
Above-mentioned straight line driving mechanism 3 is oil cylinder or cylinder.
The upper surface of above-mentioned rotating shaft 13 and the upper surface flush of index dial 9, the upper surface of rotating shaft 13 is fixedly connected with shrouding 20.
Operation principle is as follows: when index dial 9 needs to turn over a minute of angle, straight line driving mechanism 3 drives push rod 17 to carry out linearly operating, ratchet 14 props up the tooth of anti-reversing ratchet 7, promote anti-reversing ratchet 7 to rotate to a direction, and drive rotating shaft 13 to carry out synchronous axial system, index dial 9 rotates simultaneously, and workpiece 10 catches on and is positioned at wherein by workpiece 10 by groove 9a.
Turn in the process of a minute of angle at index dial 9, jacking block 16 keeps in touch with the circular arc portion of driving wheel 2 outer rim, jacking block 16 moves to tangent plane 15 gradually with the contact position of driving wheel 2, while index dial 9 just turns over a minute of angle, jacking block 16 by chance contacts with tangent plane 15, because the circular arc portion of driving wheel 2 outer rim compared by tangent plane 15, closer to the central shaft of rotating shaft 13, jacking block 16 can produce the displacement pointing to driving wheel 2 pivot, drives the anti-position ratchet 5 of crossing be attached thereto to snap in the anti-tooth crossing position ratchet 6; Because the rotation direction of anti-position ratchet 6 is excessively contrary with the rotation direction of anti-reversing ratchet 7, anti-position ratchet 6 of crossing rotates according to the direction of rotation of anti-reversing ratchet 7, above-mentioned rotation direction is identical with the rotation direction of anti-reversing ratchet 7, anti-reversing ratchet 7 is made to complete rotation, and anti-position ratchet 6 of crossing is when rotating according to above-mentioned rotation direction, exactly contrary with the rotation direction of self, when anti-mistake when position ratchet 5 snaps in the anti-tooth crossing position ratchet 6 will prop up the anti-tooth crossing position ratchet 6, anti-position ratchet 6 of crossing can be made at once to stop any rotational action, thus fundamentally prevented the generation of position phenomenon.
The utility model is not limited to above-described embodiment; on the basis of technical scheme disclosed in the utility model; those skilled in the art is according to disclosed technology contents; do not need performing creative labour just can make some to some technical characteristics wherein to replace and distortion, these are replaced and are out of shape all in protection domain of the present utility model.
Claims (5)
1. the anti-position protractor excessively of mechanical type, comprise frame (19), base (8) is fixed in frame (19), rotating shaft (13) is sleeved in base (8) rotationally also through base (8), the upper surface of described base (8) is near the index dial (9) of coaxial package in rotating shaft (13), the lower surface of described base (8) is near the anti-reversing ratchet (7) of coaxial package in rotating shaft (13), the lower surface of described anti-reversing ratchet (7) nestles up driving wheel (2), and described driving wheel (2) is sleeved in rotating shaft (13) rotationally; Wherein, the outer peripheral face of described index dial (9) is evenly equipped with some for receiving the groove (9a) of workpiece (10) by minute of angle; The outer rim of described driving wheel (2) is provided with protuberance (2a), described protuberance (2a) is undertaken hinged with the piston rod (17) of straight line driving mechanism (3) by hinge (18), hinge (18) is provided with and forms supporting, the direct ratchet (14) promoting anti-reversing ratchet (7) and rotate with anti-reversing ratchet (7); Be provided with bearing pin (4) near outside the edge of described anti-reversing ratchet (7), described bearing pin (4) is fixed in frame (19), and is provided with and forms supporting anti-reversing ratchet (1) with anti-reversing ratchet (7); Described index dial (9), driving wheel (2), anti-reversing ratchet (7) and the connected mode of rotating shaft (13) are that key is connected, it is characterized in that: described rotating shaft (13) is gone back coaxial sleeve be equipped with anti-cross position ratchet (6) and limit anti-cross ratchet (6) position, position, near the pressing plate (11) of anti-mistake position ratchet (6) lower surface, anti-position ratchet (6) are excessively near the lower surface of driving wheel (2), wherein, the rotation direction of anti-position ratchet (6) is excessively contrary with the rotation direction of anti-reversing ratchet (7); Described anti-position ratchet (6) are excessively that key is connected with the connected mode of rotating shaft (13); Described bearing pin (4) is provided with and is formed supporting anti-position ratchet (5) excessively with anti-position ratchet (6) excessively, described anti-position ratchet (5) upper surface is excessively fixed with the jacking block (16) of automatic attaching driving wheel (2) outer rim; When this equipment is in running order, the piston rod (17) of straight line driving mechanism (3) drives driving wheel (2) to rotate; When driving wheel (2) does not also forward a minute of angle to, described jacking block (16) props up the circular arc portion in driving wheel (2) outer rim, and the anti-tooth crossing position ratchet (6) is departed from anti-position ratchet (5) of crossing; When driving wheel (2) forwards a minute of angle to, described jacking block (16) props up the tangent plane (15) in driving wheel (2) outer rim just, and meanwhile, anti-position ratchet (5) of crossing is allocated in the anti-tooth crossing position ratchet (6) just.
2. a kind of mechanical type according to claim 1 is anti-crosses position protractor, it is characterized in that: described jacking block (16) is cylinder.
3. a kind of mechanical type according to claim 1 is anti-crosses position protractor, it is characterized in that: coordinate between described driving wheel (2) with rotating shaft (13) and bearing assembly is installed, described bearing assembly comprises the rolling bearing (12) be sleeved in driving wheel (2) endoporus, and be fixed on the upper padding plate (21) of driving wheel (2) upper surface, be fixed on the lower bolster (22) of driving wheel (2) lower surface, described upper padding plate (21) and lower bolster (22) are circular ring.
4. a kind of mechanical type according to claim 1 is anti-crosses position protractor, it is characterized in that: described straight line driving mechanism (3) is oil cylinder or cylinder.
5. a kind of mechanical type according to claim 1 is anti-crosses position protractor, it is characterized in that: the upper surface of described rotating shaft (13) and the upper surface flush of index dial (9), the upper surface of described rotating shaft (13) is fixedly connected with shrouding (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420682712.1U CN204248560U (en) | 2014-11-16 | 2014-11-16 | A kind of mechanical type is anti-crosses position protractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420682712.1U CN204248560U (en) | 2014-11-16 | 2014-11-16 | A kind of mechanical type is anti-crosses position protractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204248560U true CN204248560U (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420682712.1U Expired - Fee Related CN204248560U (en) | 2014-11-16 | 2014-11-16 | A kind of mechanical type is anti-crosses position protractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204248560U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017869A (en) * | 2016-05-16 | 2016-10-12 | 深圳市矽电半导体设备有限公司 | LED brightness test adjustment device and system |
| CN106337919A (en) * | 2016-11-15 | 2017-01-18 | 马应龙药业集团股份有限公司 | Intermittent transmission device |
| TWI623374B (en) * | 2017-04-17 | 2018-05-11 | Wu ya jue | Power type indexing chuck for multi-axis machine |
| CN114850591A (en) * | 2022-07-06 | 2022-08-05 | 河北鑫宇金属制品股份有限公司 | Rotary disc type tapping machine for processing and producing press-riveting nut columns |
-
2014
- 2014-11-16 CN CN201420682712.1U patent/CN204248560U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017869A (en) * | 2016-05-16 | 2016-10-12 | 深圳市矽电半导体设备有限公司 | LED brightness test adjustment device and system |
| CN106017869B (en) * | 2016-05-16 | 2018-04-24 | 深圳市矽电半导体设备有限公司 | A kind of LED luminance test regulating device and system |
| CN106337919A (en) * | 2016-11-15 | 2017-01-18 | 马应龙药业集团股份有限公司 | Intermittent transmission device |
| CN106337919B (en) * | 2016-11-15 | 2018-09-25 | 马应龙药业集团股份有限公司 | A kind of intermittent transmission device |
| TWI623374B (en) * | 2017-04-17 | 2018-05-11 | Wu ya jue | Power type indexing chuck for multi-axis machine |
| CN114850591A (en) * | 2022-07-06 | 2022-08-05 | 河北鑫宇金属制品股份有限公司 | Rotary disc type tapping machine for processing and producing press-riveting nut columns |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160815 Address after: 225000 No. 168 chemical fiber road, Tai'an Industrial Park, Jiangsu, Yangzhou Patentee after: Yangzhou Isaac Automation Technology Co., Ltd. Address before: 225000, Chengbei Industrial Zone, fairy town, Jiangdu District, Jiangsu, Yangzhou Patentee before: YANGZHOU XINFENG AUTOMATION EQUIPMENT CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20191116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |