CN207139793U - A kind of telescopic shaft for robot - Google Patents
A kind of telescopic shaft for robot Download PDFInfo
- Publication number
- CN207139793U CN207139793U CN201721107648.4U CN201721107648U CN207139793U CN 207139793 U CN207139793 U CN 207139793U CN 201721107648 U CN201721107648 U CN 201721107648U CN 207139793 U CN207139793 U CN 207139793U
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- wear
- resistant block
- installation set
- robot
- telescopic shaft
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Abstract
The utility model provides a kind of telescopic shaft for robot, including outer bar, is connected with installation set inside it, the inside of installation set is removably connected with least one set of wear-resistant block；Interior bar, it is placed in inside outer bar, and the cross section of interior bar is polygon, and each side wall of interior bar is slidably connected with least one wear-resistant block；Wear-resistant block, it is placed between installation set and interior bar.Telescopic shaft described in the utility model for robot, by least one set of wear-resistant block, while secure support interior bar, the friction between interior bar and outer bar is effectively eliminated.The wear-resistant block madial wall contacted with interior bar is provided with groove, can reduce the friction between wear-resistant block and interior bar.The material selection Teflon of wear-resistant block, because material price is cheap, component structural is simple and material self-lubricating property in itself, while can realize that linear bearing can achieve the effect that, maintenance cost is greatly reduced, improves dependable with function of the present utility model.
Description
Technical field
The utility model belongs to parallel robot field, more particularly, to a kind of telescopic shaft.
Background technology
In light industries such as food, medicine and electronic products, there is the technology contents such as substantial amounts of sorting, pickup are relatively low
Repetitive operation.With the continuous development of robot technology, some producers begin attempt to be substituted with parallel robot and manually gone
Complete above-mentioned work.
Rotary shaft includes telescopic shaft among used in existing parallel robot, and telescopic shaft passes through universal connector
It is connected respectively with motor and moving platform.Due to the gradual maturation of control system, existing slave arm translational speed is up to 120
Beat/min, and slave arm moves each time, telescopic shaft just needs to complete the process for once extending and shortening.Due to for a long time
High speed stretching motion, the two bars abrasion being slidably connected in telescopic shaft is very serious.In the prior art, typically using linear axis
Hold the abrasion between two bars being slidably connected of reduction.Although installation linear bearing after positive effect, linear bearing it is effective
Service life is also not satisfactory；Further, since the cost of linear bearing is higher, if long-term use can reduce parallel robot entirety
Practicality.
Utility model content
In view of this, the utility model is directed to a kind of telescopic shaft for robot, to solve in the prior art, to stretch
Due to sliding and caused heavy wear problem at a high speed between two bars being slidably connected in contracting axle.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of telescopic shaft for robot, including outer bar, installation set are connected with inside it, the inside of installation set is detachable
It is connected with least one set of wear-resistant block；Interior bar, it is placed in inside outer bar, and the cross section of interior bar is polygon, and each of interior bar
Side wall is slidably connected with least one wear-resistant block；Wear-resistant block, it is placed between installation set and interior bar.
Further, the cross section of the interior bar is square；The quantity of wear-resistant block described in every group is four, and surrounds interior bar
Axis it is uniform.
Further, it is axially arranged with two groups of wear-resistant blocks along it inside the installation set.
Further, the installation set is provided with least one set of jack, and the lateral wall of the wear-resistant block is provided with projection, wear-resisting
Block passes through raised and jack grafting.
Further, with the jack in group, position is identical in the axial direction of installation set.
Further, stopper slot is additionally provided with the madial wall of the installation set, stopper slot is located at two adjacent jacks of group
Between；The lateral wall of the wear-resistant block is provided with the spacing raised line coordinated with stopper slot grafting.
Further, the madial wall of each wear-resistant block is provided with some grooves, groove along the axially extending of installation set, and
Laid out in parallel.
Further, four screwed holes are evenly equipped with around its axis in the installation set, installation set by with screwed hole screw thread
The fastener of connection and the outer bar are affixed.
Further, one end of the installation set is provided with the positioning edge for stretching out the outer boom end.
Further, the material of the wear-resistant block is Teflon.
Relative to prior art, the telescopic shaft described in the utility model for robot has the advantage that：
Telescopic shaft described in the utility model for robot, service life length, is safeguarded simple and convenient.Pass through at least one
Group wear-resistant block, while secure support interior bar, has effectively eliminated the friction between interior bar and outer bar.What is contacted with interior bar is resistance to
Abrading block madial wall is provided with groove, can reduce the friction between wear-resistant block and interior bar.The material selection Teflon of wear-resistant block, by
In material price is cheap, component structural is simple and material self-lubricating property in itself, it can realize that linear bearing can reach
While the effect arrived, maintenance cost is greatly reduced, improves dependable with function of the present utility model.Pass through wear-resistant block
Plug-in mounting structure between installation set, simplify maintenance process of the present utility model.
Brief description of the drawings
Form a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the axonometric drawing of the telescopic shaft for robot described in the utility model embodiment；
Fig. 2 is the axle side explosive view of the telescopic shaft for robot described in the utility model embodiment；
Fig. 3 is the enlarged drawing of I parts in Fig. 2；
Fig. 4 is the main view of the installation set of the telescopic shaft for robot described in the utility model embodiment to sectional view.
Description of reference numerals：
1- outer bars；2- interior bars；3- wear-resistant blocks；301- grooves；The spacing raised lines of 302-；303- is raised；4- installation sets；401- determines
Position edge；402- screwed holes；403- jacks；404- stopper slots.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Such as Fig. 1-4, peace is connected with the utility model proposes a kind of telescopic shaft for robot, including outer bar 1, inside it
Encapsulation 4, the inside of installation set 4 are removably connected with least one set of wear-resistant block 3；Interior bar 2, it is placed in inside outer bar 1, interior bar 2
Cross section is polygon, and each side wall of interior bar 2 is slidably connected with least one wear-resistant block 3；Wear-resistant block 3, it is placed in
Between installation set 4 and interior bar 2.
The cross section of above-mentioned interior bar 2 is square；The quantity of every group of above-mentioned wear-resistant block 3 is four, and around the axle of interior bar 2
Line is uniform.
Such as Fig. 2, two groups of wear-resistant blocks 3 are axially arranged with along it inside above-mentioned installation set 4.It is flexible that the structure can increase interior bar 2
When stability, avoid producing in the course of the work and rock.
Such as Fig. 3,4, above-mentioned installation set 4 is provided with least one set of jack 403, and the lateral wall of above-mentioned wear-resistant block 3 is provided with convex
303 are played, wear-resistant block 3 passes through projection 303 and the grafting of jack 403.
With the above-mentioned jack 403 in group, position is identical in the axial direction of installation set 4.The structure causes each resistance in same group
Abrading block 3 is highly equal with the bonding position of interior bar 2, contributes to the stable movement of interior bar 2.
Such as Fig. 3,4, stopper slot 404 is additionally provided with the madial wall of above-mentioned installation set 4, stopper slot 404 is located at two phases of group
Between adjacent jack 403；The lateral wall of above-mentioned wear-resistant block 3 is provided with the spacing raised line 302 coordinated with the grafting of stopper slot 404.Enter
One step strengthens the degree of being connected firmly between wear-resistant block 3 and installation set 4, avoids both from moving axially after installation is complete.
Such as Fig. 3, the madial wall of each above-mentioned wear-resistant block 3 is provided with some grooves 301, axial direction of the groove 301 along installation set 4
Extension, and laid out in parallel.The structure helps to reduce wear-resistant block 3 and the contact area of interior bar 2, reduces friction between the two；
Meanwhile it also can guarantee that the intensity of wear-resistant block 3.
Such as Fig. 4, four screwed holes 402 are evenly equipped with around its axis in above-mentioned installation set 4, installation set 4 by with screwed hole
The fastener of 402 thread connections and above-mentioned outer bar 1 are affixed.The threaded portion of fastener passes through outer bar by the through hole in outer bar 1
1, then with the above-mentioned thread connection of screwed hole 402.
Such as Fig. 4, one end of above-mentioned installation set 4, which is provided with, stretches out the positioning of the above-mentioned end of outer bar 1 along 401.The structure can be
When installation set 4 does not install fastener, make axial restraint between installation set 4 and outer bar 1, facilitate the installation of fastener.
The material of above-mentioned wear-resistant block 3 is Teflon.Teflon has the characteristics of Wear-resistant, high-temperature resistant, while works as and be used for two phases
During between the parts of motion, also there is lubrication, reduce further maintenance cost of the present utility model.
In the utility model, the interior bar 2 of stretching motion only contacts with wear-resistant block 3, by rubbing in its motion process
Caused by damage madial wall (wear-resistant block 3 and the grafting of installation set 4, the lateral wall and peace of wear-resistant block 3 for being also only embodied in wear-resistant block 3
The madial wall geo-stationary of encapsulation 4) on.
After a period of time is run, it is necessary to when being safeguarded to wear-resistant block 3, first interior bar 2 is extracted out from outer bar 1.By work
Tool or finger are extend into installation set 4, and wear-resistant block 3 is pulled up into replacing from installation set 4 one by one.After replacing, by the weight of interior bar 2
Newly it is inserted into installation set 4.
Telescopic shaft described in the utility model for robot, service life length, is safeguarded simple and convenient.Pass through at least one
Group wear-resistant block 3, while secure support interior bar 2, has effectively eliminated the friction between interior bar 2 and outer bar 1.Connect with interior bar 2
The tactile madial wall of wear-resistant block 3 is provided with groove 301, can reduce the friction between wear-resistant block 3 and interior bar 2.The material of wear-resistant block 3
It is straight that can realize because material price is cheap, component structural is simple and material self-lubricating property in itself from Teflon
While bobbin holds can achieve the effect that, maintenance cost is greatly reduced, improves reliability of the present utility model and practicality
Property.By the plug-in mounting structure between wear-resistant block 3 and installation set 4, maintenance process of the present utility model is simplified.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (10)
- A kind of 1. telescopic shaft for robot, it is characterised in that including：Outer bar (1), installation set (4) is connected with inside it, the inside of installation set (4) is removably connected with least one set of wear-resistant block (3)；Interior bar (2), it is placed in, and outer bar (1) is internal, and the cross section of interior bar (2) is polygon, and each side wall of interior bar (2) is equal It is slidably connected with least one wear-resistant block (3)；Wear-resistant block (3), it is placed between installation set (4) and interior bar (2).
- 2. the telescopic shaft according to claim 1 for robot, it is characterised in that：The cross section of the interior bar (2) is Square；The quantity of wear-resistant block (3) described in every group is four, and uniform around the axis of interior bar (2).
- 3. the telescopic shaft according to claim 1 for robot, it is characterised in that：The installation set (4) is internal along it It is axially arranged with two groups of wear-resistant blocks (3).
- 4. according to the telescopic shaft for robot described in claim any one of 1-3, it is characterised in that：The installation set (4) At least one set of jack (403) is provided with, the lateral wall of the wear-resistant block (3) is provided with raised (303), and wear-resistant block (3) is by convex Play (303) and jack (403) grafting.
- 5. the telescopic shaft according to claim 4 for robot, it is characterised in that：With the jack (403) in group Position is identical in the axial direction of installation set (4).
- 6. the telescopic shaft according to claim 4 for robot, it is characterised in that：The madial wall of the installation set (4) On be additionally provided with stopper slot (404), stopper slot (404) is located at between two adjacent jacks (403) of group；The lateral wall of the wear-resistant block (3) is provided with the spacing raised line (302) coordinated with stopper slot (404) grafting.
- 7. the telescopic shaft according to claim 4 for robot, it is characterised in that：Each the wear-resistant block (3) is interior Side wall is provided with some grooves (301), and groove (301) is axially extending along installation set (4), and laid out in parallel.
- 8. the telescopic shaft according to claim 1 for robot, it is characterised in that：It is surrounded on the installation set (4) Axis is evenly equipped with four screwed holes (402), installation set (4) by the fastener with screwed hole (402) thread connection with it is described outer Bar (1) is affixed.
- 9. the telescopic shaft for robot according to claim 1 or 8, it is characterised in that：One end of the installation set (4) Provided with the positioning edge (401) for stretching out outer bar (1) end.
- 10. the telescopic shaft according to claim 1 for robot, it is characterised in that：The material of the wear-resistant block (3) is Teflon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721107648.4U CN207139793U (en) | 2017-08-31 | 2017-08-31 | A kind of telescopic shaft for robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721107648.4U CN207139793U (en) | 2017-08-31 | 2017-08-31 | A kind of telescopic shaft for robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207139793U true CN207139793U (en) | 2018-03-27 |
Family
ID=61669294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721107648.4U Active CN207139793U (en) | 2017-08-31 | 2017-08-31 | A kind of telescopic shaft for robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207139793U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107322577A (en) * | 2017-08-31 | 2017-11-07 | 天津超众机器人科技有限公司 | A kind of telescopic shaft for robot |
| CN110169828A (en) * | 2019-05-13 | 2019-08-27 | 中国科学院深圳先进技术研究院 | A kind of design method of telescopic supporting rod, passive telecentricity mechanism and its support rod |
-
2017
- 2017-08-31 CN CN201721107648.4U patent/CN207139793U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107322577A (en) * | 2017-08-31 | 2017-11-07 | 天津超众机器人科技有限公司 | A kind of telescopic shaft for robot |
| CN107322577B (en) * | 2017-08-31 | 2023-11-03 | 天津超众机器人科技有限公司 | Telescopic shaft for robot |
| CN110169828A (en) * | 2019-05-13 | 2019-08-27 | 中国科学院深圳先进技术研究院 | A kind of design method of telescopic supporting rod, passive telecentricity mechanism and its support rod |
| CN110169828B (en) * | 2019-05-13 | 2021-06-04 | 中国科学院深圳先进技术研究院 | Telescopic supporting rod, passive telecentric mechanism and design method of supporting rod |
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