CN207526972U - A kind of anti-rotational guider applied to straight line actuation mechanism - Google Patents
A kind of anti-rotational guider applied to straight line actuation mechanism Download PDFInfo
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- CN207526972U CN207526972U CN201721292470.5U CN201721292470U CN207526972U CN 207526972 U CN207526972 U CN 207526972U CN 201721292470 U CN201721292470 U CN 201721292470U CN 207526972 U CN207526972 U CN 207526972U
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- rotational
- feather key
- straight line
- guider
- nut
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Abstract
The utility model is related to a kind of anti-rotational guider applied to straight line actuation mechanism, wherein the straight line actuation mechanism includes：Leading screw (1), nut (2), cylinder barrel (3), push-rod assembly (4) and anti-rotational guider (5)；The nut (2) being socketed on leading screw (1) is connected by nut flange with push-rod assembly (4)；Wherein, the anti-rotational guider (5) is fixed on one side in the plane (21) of the nut (2) side, another side is stretched into the sliding slot (31) of the cylinder barrel (3), and can be moved in a straight line along the sliding slot (31).When the anti-rotational guider of the utility model is installed, symmetrical both ends of the surface only need to be milled on nut, open up the structure of sliding slot on nut relative to the prior art, processing is simple, at low cost；And the inner surface of electric cylinder cylinder body need not fix anti-rotational item, so the oversized of entire electric cylinder will not be caused.
Description
Technical field
The utility model is related to straight line actuation mechanism more particularly to a kind of anti-rotational guiding applied to straight line actuation mechanism
Device.
Background technology
With the rapid development and progress of modern industry and equipment manufacture, in pushing away for digital technology and microprocessing etc.
It moves under the influence of, people are higher and higher to the performance of equipment execution terminal and the precision controlling requirement of running position.Conventional hydraulic,
Pneumatic actuator is due to its position poor controllability, inconvenient maintenance, system structure is complicated, sensitivity is poor, environmental sensibility is high, and
The features such as causing larger leakage and noise pollution, has been difficult in adapt to the needs of current industrial development.And with electronic technology
High speed development, the servo electric jar (hereinafter referred to as electric cylinder) of one of the Electric Actuator as straight line actuation mechanism be with
The development of modern industry and the dynamic foundation component gradually to grow up, it, can be by motor as integrated straight line actuation mechanism
Convert rotational motion for linear motion.
In the straight line actuation mechanism with feed screw nut, it is ensured that the convert rotational motion of leading screw drives push rod for nut
The linear motion of component, it is necessary to constrain the rotary motion of nut and to ensure the linear movement guide of nut.
Traditional anti-rotational guider is typically by being provided with sliding groove structure on nut, while in the inner surface of cylinder body
Anti-rotational item is fixed with, it is inevasible in this way to constrain the rotary motion of nut and ensure that the linear movement guide of nut
Special design and processing can be carried out to nut, and the oversized of entire electric cylinder can be caused, leads to being processed into for equipment
This can also rise, occupied space can also increase.
Utility model content
The purpose of this utility model is in view of the problems of the existing technology, to provide a kind of applied to straight line actuation mechanism
Anti-rotational guider can reduce processing cost, and can reduce the size of electric cylinder.
The purpose of this utility model is achieved through the following technical solutions：
The utility model provides a kind of anti-rotational guider applied to straight line actuation mechanism, including：
Leading screw, nut, cylinder barrel, push-rod assembly and anti-rotational guider；The nut being socketed on leading screw passes through nut method
Orchid is connected with push-rod assembly；It is characterized in that,
The anti-rotational guider is fixed on one side in the plane of the nut side, and another side stretches into the cylinder barrel
Sliding slot in, and can be moved in a straight line along the sliding slot.
It is highly preferred that the anti-rotational guider is two, it is respectively symmetrically fixed on the symmetrical of the nut two side ends
In plane.
It is highly preferred that the anti-rotational guider includes：
Feather key, feather key set and feather key screw；
The feather key is fixed on by single feather key screw on nut；
The feather key set is installed on the outside of feather key, and the feather key is wrapped；The feather key set stretches into described
In the sliding slot of cylinder barrel, and coordinate with the sliding slot, can be moved in a straight line along the sliding slot.
It is highly preferred that shell structure of the feather key set for one end open, the feather key set pass through the shell structure
Inner cavity the feather key is wrapped.
It is highly preferred that the outer end face and inner face of the feather key set of shells structure are not more than respectively with the verticality of side
The verticality threshold value of setting.
It is highly preferred that the outer edge crest line of the feather key set of shells structure is designed to chamfering.
It is highly preferred that the feather key set is non-metal guide key set.
It is highly preferred that two bottom surface of feather key is not more than the verticality of setting relative to the verticality of the side of feather key
Threshold value.
It is highly preferred that the symmetry between described two anti-rotational guiders being arranged symmetrically is symmetrical no more than setting
Spend threshold value.
It is highly preferred that it is added in the sliding slot of the inner wall of cylinder and in the internal cavities of the shell structure of feather key set
Lubricating grease.
The utility model has the following technical effect that it can be seen from above-mentioned the technical solution of the utility model：
When the anti-rotational guider of the utility model is installed, symmetrical both ends of the surface, phase only need to be milled on nut
The structure of sliding slot is opened up on nut for the prior art, processing is simple, at low cost；And the inner surface of electric cylinder cylinder body need not
Fixed anti-rotational item, so the oversized of entire electric cylinder will not be caused.
Description of the drawings
Fig. 1 is the axially mounted position view of the anti-rotational guider of the utility model；
Fig. 2 is mounted laterally position view for the anti-rotational guider of the utility model；
Fig. 3 is the front view of the anti-rotational guider of the utility model；
Fig. 4 is the partial enlarged view in I portions in Fig. 3；
Fig. 5-1 is the front view of the feather key in the utility model；
Fig. 5-2 is the vertical view of the feather key in the utility model；
Fig. 6-1 is the front view of the feather key set in the utility model；
Fig. 6-2 is the left view of the feather key set in the utility model；
Fig. 6-3 is the vertical view of the feather key set in the utility model.
In attached drawing：
Leading screw 1；Nut 2, plane 21；Cylinder barrel 3, sliding slot 31；Push-rod assembly 4；Anti-rotational guider 5, is led at feather key 51
To key set 52, feather key screw 53.
Specific embodiment
The technical solution of the utility model is described in further details below with reference to attached drawing.
Embodiment one
The utility model provides a kind of anti-rotational guider applied to straight line actuation mechanism, the anti-rotational guider
Installation site as depicted in figs. 1 and 2, it can be seen that the nut 2 being socketed on leading screw 1 passes through nut flange and push-rod assembly 4
It is connected；The two side ends up and down of the nut 2 are provided with symmetrical plane 21；Anti-rotational guider 5 is two, respectively symmetrically
It is arranged in the symmetrical plane 21 of 2 two side ends of nut；Each anti-rotational guider 5 is fixed on the nut 2 on one side
In the plane 21 of side, another side is stretched into the sliding slot 31 of the cylinder barrel 3, and can be moved in a straight line along the sliding slot 31.
In the straight line actuation mechanism course of work, while leading screw 1 rotates, anti-rotational 5 one side of guider, energy
Enough constrain the rotation of nut 2 so that the convert rotational motion of leading screw 1 is the linear motion of nut 2；On the other hand, it is ensured that
Nut 2 carries out linear slide in the sliding slot 31 of 3 inner wall of cylinder barrel.
As shown in Figure 3 and Figure 4, which includes feather key 51, feather key to the structure of the anti-rotation device
Set 52, feather key screw 53.
Feather key 51 is fixed on by single feather key screw 53 in the plane 21 of 2 side of nut, for limiting nut 2
Rotary motion；Feather key set 52 is installed on the outside of feather key 51, and wrapped；Feather key set 52 stretches into the cylinder barrel
In 3 sliding slot 31, and coordinate with the sliding slot 31 of cylinder barrel 3, can be moved in a straight line along the sliding slot 31.It is filled in straight line start
It puts in motion process, feather key set 52 is directly contacted with 31 inner wall of the sliding slot of cylinder barrel 3, for linear motion in sliding slot 31.
The structure of above-mentioned feather key 51 is as shown in Fig. 5-1 and Fig. 5-2, it can be seen that there are one pacify for the feather key 51 setting
Hole is filled, for being fixed by feather key screw 53.
The interior side contacts that side and feather key to ensure feather key 51 cover 52 are uniform, design 51 liang of bottom surface phases of feather key
It is not more than the verticality threshold value of setting for the verticality of the side of feather key 51, which is 0.025mm.
The structure of above-mentioned feather key set 52 is as shown in Fig. 6-1, Fig. 6-2 and Fig. 6-3, it can be seen that the feather key covers 52 and is
The shell structure of one end open, feather key 51 are fitted by the opening in the cavity in the housing, and feather key set 52 passes through the shell
The inner cavity of body structure wraps the feather key 51.
Since the outer edge crest line of feather key set 52 is the position of footprint pressure maximum, in order to reduce the mill of feather key set
Damage, the outer edge crest line that feather key covers 52 shell structures are designed to chamfering.
Uniform for the side of guarantee feather key set 52 and the interior side contacts of cylinder barrel sliding slot, design feather key covers 52 housing knots
Respectively with the verticality of side no more than the verticality threshold value set, which is for the outer end face of structure and interior section
0.025mm。
Above-mentioned feather key set 52 is non-metal guide key set, and material can select cotton fiber to enhance phenolic resin plate, this
Kind nonmetallic materials cause feather key set to have good antiwear characteristic.
It, can housing interior in the sliding slot 31 of 3 inner wall of cylinder barrel in advance and feather key set 52 when installing the utility model
Lubricating grease is added in the internal cavities of structure, such that when nut 2 carries out linear slide in the sliding slot 31 of 3 inner wall of cylinder barrel
It is more smooth, and the abrasion between feather key set 52 and 31 inner wall of sliding slot of cylinder barrel 3 can be reduced.Greasing, life cycle management
It uses, constant feast.
The anti-rotational guider 5 of above-mentioned two is respectively arranged in the symmetrical of the setting of two side ends up and down of nut 2 and puts down
When on face 21, making the symmetry of two anti-rotational guiders 5, the symmetry threshold value is no more than the symmetry threshold value of setting
0.01mm.It on the one hand can ensure that entire straight line actuation mechanism can be smoothly packed into cylinder barrel 3 in this way, on the other hand can make
The lateral forces of two feather key sets 52 are uniform.
Above-mentioned feather key 51 is fixed on by using single 51 screw of feather key on nut 2, can be in 2 side of nut
It is rotated in plane 21, similar plane is hinged.In order to ensure that the hinged center of two anti-rotational guiders 5 is located at symmetrical plane
On, above-mentioned feather key screw 53 selects soket head cap screw, then nut head cylindrical surface is processed on its basis so that add
The mounting hole transition cooperation on nut head cylindrical surface and feather key after work；To ensure its shear strength, the property of feather key screw 53
It can 12.9 grades of grade selection.
It can be seen that the symmetry requirement for the plane 21 for passing through above-mentioned nut two side ends about 2 and feather key 51 are using single
A 51 fixed mode of feather key can ensure that the hinged center of two anti-rotational guiders 5 is located on symmetrical plane.
Under the premise of ensureing that hinged center is located on symmetrical plane, the process of cylinder barrel 3 is on the one hand packed into anti-rotational guider 5
In, can installation be adapted to self adjustment rotation angle；On the other hand, in the electric cylinder course of work, 2 two side ends of nut are installed on
The anti-rotational guide frame 5 of plane has certain adaptability, can be with self corrective action power along contact plane during discontinuity
Distribution, so that feather key covers 52 more uniform wears, so that the straight line actuation mechanism equipped with the utility model can be kept
Transmission accuracy.
The utility model is oriented to by the way that feather key 51 to be fixed on to the side end face of nut 2 in the external installation of feather key 51
Key set 52, with feather key 52 sliding slot 31 with cylinder barrel 3 of set, this avoid between the sliding slot 31 in feather key 51 and cylinder barrel
Be in direct contact, friction 52 is mainly undertaken by feather key set, protects the sliding slot in feather key 51 and cylinder barrel to a certain extent
31, the abrasion between cylinder barrel 3 and feather key 51 is slowed down, further improves the service life of feather key 51 and cylinder barrel 3, so as to make
Transmission accuracy can be kept by obtaining the straight line actuation mechanism equipped with the utility model.Moreover, feather key set 52 is readily replaceable, so as to
So that the utility model is able to quick replacement and repair.
Although the utility model has been described by way of example and in terms of the preferred embodiments, embodiment does not limit the utility model.Not
It is detached from the spirit and scope of the utility model, any equivalence changes done or retouching, also belongs to the guarantor of the utility model
Protect range.Therefore the scope of protection of the utility model should be using the content that claims hereof is defined as standard.
Claims (10)
1. a kind of anti-rotational guider applied to straight line actuation mechanism, wherein the straight line actuation mechanism includes：Leading screw
(1), nut (2), cylinder barrel (3), push-rod assembly (4) and anti-rotational guider (5)；The nut (2) being socketed on leading screw (1) is logical
Nut flange is crossed with push-rod assembly (4) to be connected；It is characterized in that,
The anti-rotational guider (5) is fixed on one side in the plane (21) of the nut (2) side, and another side stretches into institute
In the sliding slot (31) for stating cylinder barrel (3), and it can be moved in a straight line along the sliding slot (31).
2. the anti-rotational guider according to claim 1 applied to straight line actuation mechanism, which is characterized in that
The anti-rotational guider (5) is two, is respectively symmetrically fixed on the symmetrical plane (21) of the nut (2) two side ends
On.
3. the anti-rotational guider according to claim 1 or 2 applied to straight line actuation mechanism, which is characterized in that institute
Anti-rotational guider (5) is stated to include：
Feather key (51), feather key set (52) and feather key screw (53)；
The feather key (51) is fixed on by single feather key screw (53) in the plane (21) of nut (2) side；
The feather key set (52) is installed on the outside of feather key (51), and the feather key (51) is wrapped；The feather key set
(52) it stretches into the sliding slot (31) of the cylinder barrel (3), and coordinates with the sliding slot (31), can be done along the sliding slot (31) directly
Line moves.
4. the anti-rotational guider according to claim 3 applied to straight line actuation mechanism, which is characterized in that described to lead
To the shell structure that key set (52) is one end open, the feather key set (52) is led by the inner cavity of the shell structure by described
It is wrapped to key (51).
5. the anti-rotational guider according to claim 4 applied to straight line actuation mechanism, which is characterized in that described to lead
Outer end face and inner face to key set (52) shell structure is respectively with the verticality of side no more than the verticality threshold value set.
6. the anti-rotational guider according to claim 4 applied to straight line actuation mechanism, which is characterized in that described to lead
Chamfering is designed to the outer edge crest line of key set (52) shell structure.
7. the anti-rotational guider according to claim 3 applied to straight line actuation mechanism, which is characterized in that described to lead
It is non-metal guide key set to key set (52).
8. the anti-rotational guider according to claim 3 applied to straight line actuation mechanism, which is characterized in that described to lead
To (51) two bottom surface of key relative to the verticality of the side of feather key (51) no more than the verticality threshold value set.
9. the anti-rotational guider according to claim 2 applied to straight line actuation mechanism, which is characterized in that described two
Symmetry between a anti-rotational guider (5) being arranged symmetrically is no more than the symmetry threshold value set.
10. the anti-rotational guider according to claim 2 applied to straight line actuation mechanism, which is characterized in that described
Lubricating grease is added in the sliding slot (31) of cylinder barrel (3) inner wall and in the internal cavities of the shell structure of feather key set (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721292470.5U CN207526972U (en) | 2017-10-09 | 2017-10-09 | A kind of anti-rotational guider applied to straight line actuation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721292470.5U CN207526972U (en) | 2017-10-09 | 2017-10-09 | A kind of anti-rotational guider applied to straight line actuation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207526972U true CN207526972U (en) | 2018-06-22 |
Family
ID=62570123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721292470.5U Expired - Fee Related CN207526972U (en) | 2017-10-09 | 2017-10-09 | A kind of anti-rotational guider applied to straight line actuation mechanism |
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| Country | Link |
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| CN (1) | CN207526972U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108946568A (en) * | 2018-08-21 | 2018-12-07 | 福建安井食品股份有限公司 | A kind of device ensuring high-temperature water channel entirety cover screw rod jacking system safety |
-
2017
- 2017-10-09 CN CN201721292470.5U patent/CN207526972U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108946568A (en) * | 2018-08-21 | 2018-12-07 | 福建安井食品股份有限公司 | A kind of device ensuring high-temperature water channel entirety cover screw rod jacking system safety |
| CN108946568B (en) * | 2018-08-21 | 2023-04-28 | 安井食品集团股份有限公司 | Device for ensuring safety of screw rod lifting system of integral cover of high-temperature water tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20191009 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |