CN105570294B - The device for preventing sliding part from rotating - Google Patents
The device for preventing sliding part from rotating Download PDFInfo
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- CN105570294B CN105570294B CN201410545434.XA CN201410545434A CN105570294B CN 105570294 B CN105570294 B CN 105570294B CN 201410545434 A CN201410545434 A CN 201410545434A CN 105570294 B CN105570294 B CN 105570294B
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- circular hole
- guiding
- sliding part
- conical surface
- guide groove
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Abstract
The invention discloses a kind of devices for preventing sliding part from rotating, include a main body for placing the sliding part, a guide groove is formed on the sliding part, the main body is equipped with first and is oriented to circular hole and the second guiding circular hole, and plane and the glide direction of the sliding part are not parallel where the central axes of the central axes of the first guiding circular hole and the second guiding circular hole;The device further includes two guiding conical surface pins, those are oriented to conical surface pins and are inserted into the guide groove by the first guiding circular hole and the second guiding circular hole respectively, those are oriented to conical surface pins and first are oriented to circular hole and the second guiding circular hole clearance fit with this respectively.The present invention compensates for the deficiency rotated when sliding part slides in main body in the prior art, it can effectively the rotary gap by sliding part in main body control in the micron-scale, the processing request for being oriented to conical surface pin and guide groove is also reduced simultaneously, improve production efficiency, in addition, the device also have many advantages, such as it is simple in structure, easy to process.
Description
Technical field
The present invention relates to a kind of device for preventing sliding part from rotating more particularly to a kind of high-accuracy prevent sliding part from rotating
Device.
Background technology
It is increasing with precision instrument, the demand of precision parts is also gradually increased, especially accurate sliding
Demand it is especially huge.By taking the sliding part of a cylinder as an example, which is positioned over the inside of a main body, the sliding part energy
Enough vertically to be slided up and down in the main body, the sliding part rotates in the main body in order to prevent, traditional design method
It is:One guide groove parallel with the glide direction of the sliding part is set on the sliding part, a pilot hole is set in the main body,
One guide pin is inserted into the guide groove by the pilot hole.The design method is by the cooperation of guide groove and guide pin, substantially
On can prevent the sliding part from being rotated in the main body, but since pilot hole and guide pin sometimes can not be fitted close, deposit
In certain guiding clearance, it is difficult to control in the micron-scale, and then cannot meet production and add that this, which results in the rotation amount of the sliding part,
The needs of work.
Invention content
Present invention solves the technical problem that being that pilot hole and guide pin cannot be fitted close in the prior art, there are certain
Guiding clearance, the defect for causing sliding part to be rotated in main body provide a kind of device for preventing sliding part from rotating.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of device for preventing sliding part from rotating includes a main body for placing the sliding part, is formed on the sliding part
There is a guide groove parallel with the glide direction of the sliding part, its main feature is that, which is equipped with one first and is oriented to circular hole and one
Second is oriented to circular hole, plane and the sliding part where the central axes of the central axes of the first guiding circular hole and the second guiding circular hole
Glide direction it is not parallel;
The device further includes two guiding conical surface pins, those be oriented to conical surface pins respectively by this first be oriented to circular hole and this
Two guiding circular holes are inserted into the guide groove, those are oriented to conical surface pins and first are oriented to circular hole and the second guiding circular hole gap with this respectively
Cooperation.
The technical program can control rotary gap of the sliding part in main body in the micron-scale, meet the need of processing
It wants, reduces the processing request for being oriented to conical surface pin and guide groove, improve production efficiency.
Preferably, this first be oriented to circular hole central axes and this second guiding circular hole axis parallel and respectively with the cunning
The glide direction of moving part is vertical, is contacted, is led to the two side walls of the guide groove by the guiding conical surface pin of the first guiding circular hole
The guiding conical surface pin for crossing the second guiding circular hole is contacted with the single side wall of the guide groove.The technical program is by being oriented to conical surface pin
Guide groove is fixed in contact with guide groove, is eliminated guiding clearance, is prevented sliding part from rotating.
Preferably, the two side walls of the guide groove to insertion be oriented to conical surface pin protrude arcuation, those side walls with
The guiding conical surface pin of contact is contacted at line.The technical program can reduce rubbing between those side walls and the guiding conical surface pin of contact
Power is wiped, ensures that the sliding of the sliding part is smooth.
Preferably, the inside of the first guiding circular hole and the second guiding circular hole is also inserted with a spring and a bullet successively respectively
Spring fixing piece, the spring mountings apply the power for being directed toward the guide groove by the spring to the guiding conical surface pin.This technology side
Spring, which can be adjusted, in case is oriented to the depth that conical surface pin is inserted into guide groove so that is oriented to conical surface pin and is in close contact with guide groove.
Preferably, those spring mountings share a fixed pin, the fixed pin is to solid respectively by those spring mountings
It is scheduled on the inside of the first guiding circular hole and the second guiding circular hole.Fixed pin can prevent those springs from fixing in the technical program
Part moves, and then ensures that those springs exert a force to the guiding conical surface pin.
Preferably, the main body is equipped with a sliding sleeve, which inserts in the inside of the sliding sleeve, the sliding part and the cunning
The list of dynamic set is not more than 0.01 millimeter with gap, and the outer wall of the sliding part and the surface roughness of the inner wall of the sliding sleeve are little
In Ra0.2 microns.The technical program can further increase the anti-rotational effect of the device.
Preferably, the surface roughness of the guide groove is not more than Ra0.4 microns.The technical program can further increase this
The anti-rotational effect of device.
Preferably, the central axes of the first guiding circular hole and the central axes of the second guiding circular hole are perpendicular to the sliding part
Glide direction plane on orthographic projection distance be 0.1 millimeter.The technical program can ensure to be inserted into the first guiding circle
The guiding conical surface pin of hole and the second guiding circular hole is in contact with the guide groove.
Preferably, those are oriented to conical surface pin and the fit clearance of the first guiding circular hole and the second guiding circular hole is little
In 0.02 millimeter.It is solid in the first guiding circular hole and the second guiding circular hole that the technical program ensures that those are oriented to conical surface pin
It is fixed.
Preferably, the position degree of the guide groove and the outer wall of the sliding part is not more than 0.003 millimeter.Position degree is this field
Common terminology, for indicates a body axis or central plane allow self-position variation range.
On the basis of common knowledge of the art, above-mentioned each optimum condition can be combined arbitrarily to get each preferable reality of the present invention
Example.
The positive effect of the present invention is that:The device for preventing sliding part from rotating of the present invention can be effectively by sliding
Rotary gap control of the part in main body in the micron-scale, while also reducing the processing request for being oriented to conical surface pin and guide groove, carries
High production efficiency, in addition, the device also have many advantages, such as it is simple in structure, easy to process.
Description of the drawings
Fig. 1 is the decomposition diagram of the device for preventing sliding part rotation of the present invention.
Fig. 2 is the assembling schematic diagram of the device for preventing sliding part rotation of the present invention.
Fig. 3 is the structural schematic diagram of the A-A section views of the device for preventing sliding part rotation of the present invention.
Fig. 4 is the portions K enlarged drawing.
Fig. 5 is the structural schematic diagram of the B-B section views of the device for preventing sliding part rotation of the present invention.
Fig. 6 is the portions L enlarged drawing.
Fig. 7 is the structural schematic diagram of the C-C section views of the device for preventing sliding part rotation of the present invention.
Fig. 8 is the portions P enlarged drawing.
Specific implementation mode
It is further illustrated the present invention below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.
Embodiment 1
Referring to Fig. 1, it is a kind of prevent sliding part rotate device include a main body 1, a sliding sleeve and a stop screw 2.
The sliding sleeve is the steel bushing 3 that a shape is cylinder, which places vertically, and one end of the steel bushing 3 is fixed
In the inside of the main body 1, the other end of the steel bushing 3 is higher than the main body 1.The sliding part is the copper sheathing 4 that a shape is cylinder, should
Copper sheathing 4 inserts in the inside of the steel bushing 3, and the copper sheathing 4 can vertically be slided in the inside of the steel bushing 3, i.e. the copper sheathing 4
It can slide up and down.One first side 101 of the main body 1 is equipped with a waist hole 1011, the straight flange of the waist hole 1011 and the copper sheathing 4
Glide direction it is identical (i.e. the straight flange of the waist hole 1011 is vertical), which is formed in this by the waist hole 1011 and one
The screw hole 401 of the outer wall of copper sheathing 4 is fixedly connected, which can move up and down in the waist hole 1011.Due to the limit spiral shell
Nail 2 is fixedly connected with the screw hole 401, so moving range of the stop screw 2 in the waist hole 1011 is equivalent to the copper sheathing 4
Sliding scale in the steel bushing 3.Wherein, the list of the copper sheathing 4 and the steel bushing 3 is not more than 0.01 millimeter with gap, the copper sheathing 4
The surface roughness of the inner wall of outer wall and the steel bushing 3 is no more than Ra0.2 microns.
The copper sheathing 4 is rotated when sliding up and down in order to prevent, which also uses with lower structure:
Referring to Fig. 2 and Fig. 3, a guide groove parallel with the glide direction of the copper sheathing 4 is also formed on the outer wall of the copper sheathing 4
402.The guide groove 402 relative to two side walls 4021 and 4022 at the arc-shaped (with reference to figure 5 and Fig. 6) outwardly protruded,
The radius of the arc-shaped is 20 millimeters;The arc surface that the bottom surface 4023 of the guide groove 402 is bent up by a plane 40231 and one
40232 are connected.Horizontal plane where the center of circle of the screw hole 401 is slightly above the rank of the plane 40231 and the arc surface 40232
Connect the horizontal plane where place 40233.Wherein, the position degree of the guide groove 402 and the outer wall of the copper sheathing 4 is not more than 0.003 millimeter,
The surface roughness of the guide groove 402 is not more than Ra0.4 microns.
It is equipped with one first in a second side 102 in the main body 1 and is oriented to circular hole 1021 and one second guiding circular hole
1022, the second side 102 is vertical with the first side 101.Referring to Fig. 2 and Fig. 4, this first be oriented to circular hole 1021 and this second
The aperture for being oriented to circular hole 1022 is identical, which is located at the lower section of the first guiding circular hole 1021, this first
It is oriented to the central axes of circular hole 1021 and the axis parallel of the second guiding circular hole 1022 and the respectively glide direction with the copper sheathing 4
Vertically (central axes of the i.e. first guiding circular hole 1021 and the central axes of the second guiding circular hole 1022 are horizontal) and this first lead
It is uneven to plane and the glide direction of the copper sheathing 4 where the central axes of circular hole 1021 and the central axes of the second guiding circular hole 1022
Row, i.e.,:The central axes of the first guiding circular hole 1021 and the central axes of the second guiding circular hole 1022 are respectively at different two
A horizontal plane;The central axes of the first guiding circular hole 1021 and the central axes of the second guiding circular hole 1022 are respectively at different
Two vertical planes.Wherein, the central axes of the first guiding circular hole 1021 and the central axes of the second guiding circular hole 1022 are vertical
In the orthographic projection in the plane of the glide direction of the copper sheathing 4 distance be 0.1 millimeter, i.e., this first be oriented to circular hole 1021 axis
The distance between the orthographic projection of the central axes of the orthographic projection of line in the horizontal plane and the second guiding circular hole 1022 in the horizontal plane
It is 0.1 millimeter.Specific such as Fig. 4, the center line of the second side 102 is perpendicular where the central axes of the first guiding circular hole 1021
In straight plane, the distance of the perpendicular where the center line to the central axes of the second guiding circular hole 1022 of the second side 102
It is 0.1 millimeter.
Referring to Fig. 5, which further includes that two guiding conical surface pins 41 and 42, two springs 51 and 52, two springs are fixed
Part 61 and 62 and one cylinder fixed pin 7.In the first guiding circular hole 1021 and the second guiding circular hole 1022 respectively successively
It inserts there are one conical surface pin, a spring and a spring mountings are oriented to, those front ends for being oriented to conical surface pin 41 and 42 are inserted into should
Guide groove 402, the fixed pin 7 are inserted into the circular hole of those spring mountings 61 and 62 by the main body 1, for by those springs
Fixing piece 61 and 62 is separately fixed at the inside of the first guiding circular hole 1021 and the second guiding circular hole 1022.Being somebody's turn to do after fixation
A little spring mountings 61 and 62 apply one to those guiding conical surface pins 41 and 42 by those springs 51 and 52 and are directed toward the guide groove
402 power is oriented to conical surface pin 41 and 42 and the tight ness rating of the contact of the guide groove 402 to increase those, and then adjusts those and lead
The depth of the guide groove 402 is inserted into conical surface pin 41 and 42.Those are oriented to conical surface pins 41 and 42 and first are oriented to circular hole with this respectively
1021 pass through the guiding conical surface pin of the first guiding circular hole 1021 with the second guiding 1022 clearance fit of circular hole referring to Fig. 6-8
41 contact with the two side walls 4021 and 4022 of the guide groove 402, and contact point is point M and point N;Referring to Fig. 8, second led by this
It is contacted to the guiding conical surface pin 42 of circular hole 1022 with the side wall 4022 of the guide groove 402, contact point is point Q.It is vertical in the copper sheathing 4
When sliding, the two side walls 4021 and 4022 of the guide groove 402 are contacted with the guiding conical surface pin 41 and 42 contacted in line.Wherein,
Those are oriented to conical surface pin 41 and 42 and the fit clearance of the first guiding circular hole 1021 and the second guiding circular hole 1022 is little
In 0.02 millimeter.
By test, the effect that can be reached using the device for preventing sliding part from rotating of the present embodiment is:Copper sheathing 4 is in steel
Sliding is smooth in set 3, and glade plane space is not more than 0.01 millimeter, and rotary gap is not more than 0.002 millimeter.
On the basis of embodiment 1, the first guiding circular hole 1021 and the second guiding circular hole 1022 are exchanged into position, i.e.,
The first guiding circular hole 1021 can also reach said effect under the second guiding circular hole 1022.
On the basis of embodiment 1, to ensure central axes and the second guiding circular hole 1022 of the first guiding circular hole 1021
Central axes the distance of the orthographic projection in the plane perpendicular to the glide direction of the copper sheathing 4 be 0.1 millimeter premised on, this first
Be oriented to circular hole 1021 and this second guiding circular hole 1022 can translate together, move to this first be oriented to circular hole 1021 central axes and
The central axes of the second guiding circular hole 1022 are located at the center line both sides of the side, can also reach said effect.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
Under the premise of from the principle and substance of the present invention, many changes and modifications may be made, but these are changed
Protection scope of the present invention is each fallen with modification.
Claims (9)
1. a kind of device for preventing sliding part from rotating includes a main body for placing the sliding part, is formed on the sliding part
One guide groove parallel with the glide direction of the sliding part, which is characterized in that the main body is equipped with one first and is oriented to circular hole and one
Second is oriented to circular hole, plane and the sliding part where the central axes of the central axes of the first guiding circular hole and the second guiding circular hole
Glide direction it is not parallel;
The device further includes two guiding conical surface pins, those be oriented to conical surface pins respectively by the first guiding circular hole and this second lead
It is inserted into the guide groove to circular hole, those are oriented to conical surface pin and match respectively with the first guiding circular hole and the second guiding circular hole gap
It closes;
It is contacted with the two side walls of the guide groove by the guiding conical surface pin of the first guiding circular hole, passes through the second guiding circular hole
Guiding conical surface pin contacted with the single side wall of the guide groove.
2. device as described in claim 1, which is characterized in that the two side walls of the guide groove are at the guiding conical surface to insertion
The arcuation of protrusion is sold, those side walls are contacted with the guiding conical surface pin of contact at line.
3. device as described in claim 1, which is characterized in that the inside of the first guiding circular hole and the second guiding circular hole is also
It is inserted with a spring and a spring mountings successively respectively, which applies one to the guiding conical surface pin by the spring and refer to
To the power of the guide groove.
4. device as claimed in claim 3, which is characterized in that those spring mountings share a fixed pin, which uses
Those spring mountings to be separately fixed to the inside of the first guiding circular hole and the second guiding circular hole.
5. device as described in claim 1, which is characterized in that the main body is equipped with a sliding sleeve, which inserts in the cunning
The inside of dynamic set, the list of the sliding part and the sliding sleeve are not more than 0.01 millimeter with gap, the outer wall of the sliding part and the sliding
The surface roughness of the inner wall of set is no more than Ra0.2 microns.
6. device as described in claim 1, which is characterized in that the surface roughness of the guide groove is not more than Ra0.4 microns.
7. device as described in claim 1, which is characterized in that the central axes of the first guiding circular hole and the second guiding circular hole
The distance of orthographic projection of the central axes in the plane perpendicular to the glide direction of the sliding part be 0.1 millimeter.
8. device described in claim 1, which is characterized in that those are oriented to conical surface pins and first are oriented to circular hole and this second is led with this
To circular hole fit clearance no more than 0.02 millimeter.
9. device described in claim 1, which is characterized in that the position degree of the guide groove and the outer wall of the sliding part is not more than
0.003 millimeter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410545434.XA CN105570294B (en) | 2014-10-15 | 2014-10-15 | The device for preventing sliding part from rotating |
Applications Claiming Priority (1)
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CN201410545434.XA CN105570294B (en) | 2014-10-15 | 2014-10-15 | The device for preventing sliding part from rotating |
Publications (2)
Publication Number | Publication Date |
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CN105570294A CN105570294A (en) | 2016-05-11 |
CN105570294B true CN105570294B (en) | 2018-08-07 |
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CN201410545434.XA Active CN105570294B (en) | 2014-10-15 | 2014-10-15 | The device for preventing sliding part from rotating |
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Families Citing this family (1)
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CN110131311A (en) * | 2019-04-09 | 2019-08-16 | 浙江非攻机械有限公司 | Straight-line guide rail slide block and linear motion guidance device |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2548597Y (en) * | 2002-04-30 | 2003-05-07 | 上海第二医科大学附属第九人民医院 | Coronary attachment |
JP2004183788A (en) * | 2002-12-03 | 2004-07-02 | Fuji Shoji Kk | Slide unit with mounting dimension automatic adjusting function, and bearing device using the same |
CN102364136B (en) * | 2011-06-30 | 2013-07-17 | 哈尔滨电机厂有限责任公司 | Rotating and sliding integrated shaft sleeve |
CN202612389U (en) * | 2012-04-24 | 2012-12-19 | 东莞市欣悦模具有限公司 | Guide sleeve |
CN103144798B (en) * | 2013-03-22 | 2015-01-14 | 龙岩烟草工业有限责任公司 | Glue cylinder anti-loosening locking device of cigarette carton packaging machine and packaging machine |
CN104033494A (en) * | 2014-06-06 | 2014-09-10 | 嘉善天慧光电科技有限公司 | Locking device of sliding table |
CN204186797U (en) * | 2014-10-15 | 2015-03-04 | 焱智精密机械(上海)有限公司 | Prevent the device that slider rotates |
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Address after: 201906 Shanghai, Baoshan District, a number of rich union road, building 438, No. two Applicant after: Shanghai opiate precision machinery Limited by Share Ltd Address before: 201906 Shanghai, Baoshan District, a number of rich union road, building 438, No. two Applicant before: Yan Chi precision machinery (Shanghai) Co., Ltd. |
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