CN205870594U - Straight line joint - Google Patents
Straight line joint Download PDFInfo
- Publication number
- CN205870594U CN205870594U CN201620720459.3U CN201620720459U CN205870594U CN 205870594 U CN205870594 U CN 205870594U CN 201620720459 U CN201620720459 U CN 201620720459U CN 205870594 U CN205870594 U CN 205870594U
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- leading screw
- stay cord
- slide block
- installing plate
- main body
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Abstract
The utility model relates to a straight line joint, include: and a support. The lead screw is installed on the support, and lead screw support relatively is rotatory, sliding block set spare is installed on the lead screw, and cooperatees with the lead screw, and the lead screw rotation is with the axial translation of drive sliding block set spare along the lead screw, the stay cord sensor, including sensor body and stay cord, sensor body installs on the support, and the stay cord is coiled inside sensor body, and its one end is connected with sensor body, and the other end is connected with sliding block set spare, and sliding block set spare can drive stay cord along the orientation motion that is on a parallel with the lead screw to the length that makes the stay cord stretch out sensor body changes, and sensor body can detect the overall positional information of sliding block set spare according to the extension elongation of stay cord. Be provided with the stay cord sensor among the above -mentioned straight line joint, when the axial motion of lead screw was followed to sliding block set spare, sliding block set spare drove stay cord motion, the detection of sensor body through stretch out its length to the stay cord to reach the overall positional information of sliding block set spare.
Description
Technical field
This utility model relates to mechanical equipment technical field, particularly relates to a kind of linear joint.
Background technology
Linear joint is through commonly used structure in "smart" products, and it is moved along a straight line by leading screw band movable slider, enters
And drive the actuator movement being connected with slide block, finally realize power output.Meanwhile, it has detection components, detection components
By rotating speed and the positional information of detection leading screw, thus obtain the positional information of joint end slide block, perform consequently facilitating adjust
The motion conditions of element.
Conventional linear joint passes through install encoder on motor additional and then rotating speed and positional information to leading screw are carried out
Detection, thus realize closed loop control.But, owing to mostly the encoder on motor is single-ring encoder, it can only be to joint end
Slide block speed in certain interval range and positional information detect, and cannot enter the global position of joint end slide block
Row detection.
Utility model content
Based on this, it is necessary to provide a kind of linear joint that the global position of joint end can be detected.
A kind of linear joint, including:
Support；
Leading screw, is installed on described support, and described leading screw can rotate relative to described support；
Slide block assembly, is installed on described leading screw, and matches with described leading screw, and described leading screw rotates to drive described cunning
Block assembly is along the axial translation of described leading screw；
Rope sensor, including sensor main body and stay cord, described sensor main body is installed on described support, described in draw
Rope is wound in inside described sensor main body, and its one end is connected with described sensor main body, and the other end is with described slide block assembly even
Connecing, described slide block assembly can drive described stay cord to move, so that described stay cord stretches out institute along the direction being parallel to described leading screw
The length stating sensor main body changes, and described sensor main body can detect described slide block according to the extension elongation of described stay cord
The global position information of assembly.
Wherein in an embodiment, including power source assembly and the drive pulley that is connected with described power source assembly,
Described drive pulley is connected with described leading screw, and described power source assembly drives described by driving described drive pulley to rotate
Leading screw rotates.
Wherein in an embodiment, described power source assembly includes driving motor and motor synchronous belt, described driving electricity
Machine is connected by described motor synchronous belt with described drive pulley, and described driving motor drives described by described motor synchronous belt
Drive pulley rotates.
Wherein in an embodiment, also include that panel, described panel are connected with described sensor main body, described biography
According to the extension elongation of described stay cord, sensor main body can detect that the positional information of described slide block assembly sends to described control
Plate, so that described panel is by regulating in described driving motor the size of electric current to change described drive pulley and described leading screw
Rotating speed.
Wherein in an embodiment, also include that encoder and encoder hold-in range, described encoder include encoder master
Body and encoder belt wheel, described encoder belt wheel is connected with described drive pulley by described encoder hold-in range, described coding
Device main body can pass through described encoder belt wheel and described encoder hold-in range to described drive pulley and the rotating speed of described leading screw
And positional information detects.
Wherein in an embodiment, described support includes the first installing plate, the second installing plate and the 3rd installing plate, described
First installing plate is oppositely arranged with described second installing plate, and described 3rd installing plate connects described first installing plate and described second
Installing plate, parallel described 3rd installing plate of described leading screw is arranged, and the two ends of described leading screw are respectively by bearing and described first
Installing plate and the second installing plate connect, and described stay cord main body is installed on described first installing plate.
Wherein in an embodiment, described 3rd installing plate is provided with the guide rail being parallel to described leading screw, described slide block
Assembly includes connecting plate and the slide block being connected with described connecting plate, and described slide block matches with described guide rail, described connecting plate
Being located on described leading screw, and be meshed with described leading screw, described leading screw rotates, to drive described slide block edge by described connecting plate
Described slide.
Wherein in an embodiment, described guide rail is two, and two described guide rails lay respectively at the both sides of described leading screw,
Described slide block is two, two described slide blocks and two described guide rail one_to_one corresponding, and described connecting plate connects two described slide blocks.
Wherein in an embodiment, described connecting plate offers guide groove towards the side of the 3rd installing plate, and the described 3rd
The edge of installing plate is provided with the flanging being parallel to described guide rail, and described flanging can be placed in described guide groove, described guide groove
Being two, two described guide grooves be arranged in parallel, and described flanging is two, two described flangings and described guide groove one_to_one corresponding.
Wherein in an embodiment, described rope sensor also includes stay cord fixed plate, described stay cord fixed plate and institute
Stating connecting plate to connect, described stay cord is fixed in described stay cord fixed plate away from one end of described sensor main body.
Above-mentioned linear joint is provided with rope sensor, when slide block assembly is along the axially-movable of leading screw, slide block assembly
Driving stay cord to move along the direction being parallel to leading screw, sensor main body by stretching out the detection of its length to stay cord, thus draws
The global position information of slide block assembly.
Further, being additionally provided with encoder in above-mentioned linear joint, encoder is connected with drive pulley, and it is passed by detection
The rotating speed of movable belt pulley and leading screw and positional information, and then obtain the more specific location information of slide block assembly, with to rope sensor
Testing result is supplemented, to obtain the positional information of accurate slide block assembly.Simultaneously as the load of encoder hold-in range is relatively
Little, its flexibility is less, it is possible to makes drive pulley keep synchronous rotary with encoder belt wheel, thus improves encoder main body pair
Drive pulley and screw rotation velocity and the accuracy of detection of position.
Accompanying drawing explanation
Fig. 1 is the structural representation of the linear joint of this utility model one embodiment；
Fig. 2 is the partial enlarged drawing of linear joint shown in Fig. 1.
Detailed description of the invention
For the ease of understanding this utility model, below with reference to relevant drawings, this utility model is more fully retouched
State.Accompanying drawing gives better embodiment of the present utility model.But, this utility model can come in many different forms
Realize, however it is not limited to embodiments described herein.On the contrary, providing the purpose of these embodiments is to make to this practicality newly
It is more thorough comprehensive that the disclosure of type understands.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly on another element
Or element placed in the middle can also be there is.When an element is considered as " connection " another element, and it can be to be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left ",
For illustrative purposes only, being not offered as is unique embodiment for " right " and similar statement.
Unless otherwise defined, all of technology used herein and scientific terminology are led with belonging to technology of the present utility model
The implication that the technical staff in territory is generally understood that is identical.At term used in the description of the present utility model it is simply herein
The purpose of specific embodiment is described, it is not intended that in limiting this utility model.Term as used herein " and/or " bag
Include the arbitrary and all of combination of one or more relevant Listed Items.
Shown in Fig. 1 and Fig. 2, the linear joint 10 of this utility model one embodiment includes support 100, leading screw 200, slides
Block assembly 300, rope sensor 400, power source assembly 500 and drive pulley 600.Wherein, power source assembly 500 passes through transmission
Belt wheel 600 is connected with leading screw 200.Power source assembly 500 and leading screw 200 are mounted on support 100, power source assembly 500 energy
Enough leading screw 200 opposite brackets 100 is driven to rotate by driving drive pulley 600 to rotate.Slide block assembly 300 is installed on leading screw
On 200, and match with leading screw 200.When leading screw 200 rotates, it can drive slide block assembly 300 along the axial fortune of leading screw 200
Dynamic.Rope sensor 400 includes sensor main body 410 and stay cord 420.Sensor main body 410 is installed on support 100.Stay cord
420 are wound in sensor main body 410 inside, and its one end is connected with sensor main body 410, and the other end is connected with slide block assembly 300.
Slide block assembly 300 can drive stay cord 420 to move along the direction being parallel to leading screw 200, so that stay cord 420 stretches out biography
The length of sensor main body 410 changes, length that sensor main body 410 can be stretched out by detection stay cord 420 and obtain straight line and close
Save the global position of the slide block assembly 300 of 10 ends, and then control slide block assembly by the rotary speed of adjusting screw 200
The motion conditions of 300, thus realize the motion of the executive component being connected with slide block assembly 300 is adjusted.
It addition, stay cord 420 is parallel with leading screw 200, it is also possible to make the displacement of slide block assembly 300 equal to stay cord 420
The change of length, thus improve the accuracy of detection of sensor main body 410.
Concrete power source assembly 500 includes driving motor 510 and motor synchronous belt 520 in the present embodiment, drives motor
510 are connected by motor synchronous belt 520 with drive pulley 600, drive motor 510 to drive transmission band by motor synchronous belt 520
Wheel 600 rotation.In other embodiments, motor 510 and motor synchronous belt 520 is driven to may be replaced by other and can drive biography
The power source device that movable belt pulley 600 and leading screw 200 rotate.
Concrete, linear joint 10 also includes panel (not shown).Panel is connected with sensor main body 410.Sensing
According to the extension elongation of stay cord 420, device main body 410 can detect that the positional information of slide block assembly 300 sends to panel, with
Panel is made to drive the size of electric current in motor 510 to change drive pulley 600 and the rotating speed of leading screw 200 by regulation, thus
Realize the real-time regulation to slide block assembly 300 position.
The most in the present embodiment, linear joint 10 also includes encoder 800 and encoder hold-in range 900.Encoder 800
Including encoder main body 810 and encoder belt wheel 820.Encoder belt wheel 820 is by encoder hold-in range 900 and drive pulley
600 connect, and encoder main body 810 can pass through encoder belt wheel 820 and encoder hold-in range 900 to drive pulley 600 and silk
Rotating speed and the positional information of thick stick 200 detect, and then obtain the slide block assembly 300 particular location letter in certain interval range
Breath.
Obtained the global position information of slide block assembly 300 by rope sensor 400, obtain slide block by encoder 800
The more specific location information of assembly 300, the testing result of rope sensor 400 can be supplemented by encoder 800, to be slided
The precise position information of block assembly 300.
It addition, encoder belt wheel 820 is connected with drive pulley 600, due to decoders-Synchronous by encoder hold-in range 900
Load with 900 is less, and its flexibility is less, it is possible to make drive pulley 600 and encoder belt wheel 820 keep synchronous rotary, from
And improve encoder main body 810 to drive pulley 600 rotating speed and the accuracy of detection of position.
It is pointed out that in other embodiments, encoder 800 can also be connected with driving motor 510, by detection
Drive the output speed of motor 510, drive pulley 600 and the rotating speed of leading screw 200 and positional information can be obtained too, and then
Detection with rope sensor 400 matches, thus improves the positional information accuracy of detection of slide block assembly 300.It addition, at other
In embodiment, encoder 800 can also omit, and now, only can be detected by rope sensor 400 and obtain slide block assembly 300
Global position information.
The most in the present embodiment, support 100 includes the first installing plate the 110, second installing plate 120 and the 3rd installing plate
130.First installing plate 110 is oppositely arranged with the second installing plate 120, and the 3rd installing plate 130 connects the first installing plate 110 and second
Installing plate 120.Parallel 3rd installing plate 130 of leading screw 200 is arranged, and the two ends of leading screw 200 respectively by bearing (figure do not mark) with
First installing plate 110 and the second installing plate 120 connect.Sensor main body 410 is installed on the first installing plate 110.When leading screw 200
Rotating, when slide block assembly 300 is away from the first installing plate 110, stay cord 420 stretches out the length of sensor main body 410 to be increased.Work as slide block
Assembly 300 is when the first installing plate 110, and stay cord 420 stretches out the length of sensor main body 410 and reduces.
Concrete, the 3rd installing plate 130 is provided with the guide rail 131 being parallel to leading screw 200.Slide block assembly 300 includes connecting
Plate 310 and the slide block 320 being connected with connecting plate 310.Slide block 320 matches with guide rail 131, and connecting plate 310 is located at leading screw 200
On, and be meshed with leading screw 200.When leading screw 200 rotates, leading screw 200 passes through connecting plate 310 band movable slider 320 along guide rail 131
Slide.By arranging the guide rail 131 parallel with leading screw 200, it is possible not only to slide block assembly 300 is played preferable guide effect,
The part gravity of slide block assembly 300 can also be born, put on the active force on leading screw 200 reducing slide block assembly 300, thus
Reduce the slide block assembly 300 abrasion to leading screw 200.
Concrete, guide rail 131 is two, and two guide rail 131 intervals are arranged, and two guide rails 131 lay respectively at leading screw 200
Both sides.Slide block 320 is two, two slide blocks 320 and two guide rail 131 one_to_one corresponding.Connecting plate 310 connects two slide blocks
320.By arranging two slide blocks 320, and by connecting plate 310, two slide blocks 320 are connected, slide block assembly 300 can be increased
Robust motion.
It addition, connecting plate 310 offers guide groove 311 towards the side of the 3rd installing plate 130.The limit of the 3rd installing plate 130
The flanging 132 being parallel to guide rail 131 it is provided with at edge.Flanging 132 can be placed in guide groove 311, with when connecting plate 310 is installed
Play positioning action.Meanwhile, when connecting plate 310 is along the axially-movable of leading screw 200, flanging 132 also is able to play guide effect.
Concrete, guide groove 311 is two, and two guide grooves 311 be arranged in parallel, and flanging 132 is two, two flangings 132 and guide groove 311 1
One is corresponding.
It addition, rope sensor 400 also includes stay cord fixed plate 430.Stay cord fixed plate 430 is connected with connecting plate 310, draws
Rope 420 is fixed in stay cord fixed plate 430 away from one end of sensor main body 410, in order to stay cord 420 can be along being parallel to silk
Stretching in the direction of thick stick 200, thus improves the accuracy of detection of rope sensor 400.
Above-mentioned linear joint 10 is provided with rope sensor 400, when slide block assembly 300 is along the axially-movable of leading screw 200
Time, slide block assembly 300 drives stay cord 420 to move, sensor main body 410 by stay cord 420 being stretched out the detection of its length, thus
Draw the global position information of slide block assembly 300.
Further, being additionally provided with encoder 800 in above-mentioned linear joint 10, encoder 800 is connected with drive pulley 600,
It is by detection drive pulley 600 and the rotating speed of leading screw 200 and positional information, and then obtains the particular location of slide block assembly 300
Information, supplements with the testing result to rope sensor 400, to obtain the positional information of accurate slide block assembly 300.With
Time, owing to the load of encoder hold-in range 900 is less, its flexibility is less, it is possible to make drive pulley 600 and encoder belt wheel
820 keep synchronous rotaries, thus improve encoder main body 810 to drive pulley 600 and leading screw 200 rotating speed and the detection of position
Precision.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, for the common skill of this area
For art personnel, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into
Protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (10)
1. a linear joint, it is characterised in that including:
Support；
Leading screw, is installed on described support, and described leading screw can rotate relative to described support；
Slide block assembly, is installed on described leading screw, and matches with described leading screw, and described leading screw rotates to drive described slide block group
Part is along the axial translation of described leading screw；
Rope sensor, including sensor main body and stay cord, described sensor main body is installed on described support, and described stay cord is rolled up
Being around in inside described sensor main body, its one end is connected with described sensor main body, and the other end is connected with described slide block assembly, institute
Stating slide block assembly can drive described stay cord to move, so that described stay cord stretches out described sensing along the direction being parallel to described leading screw
The length of device main body changes, and described sensor main body can detect described slide block assembly according to the extension elongation of described stay cord
Global position information.
Linear joint the most according to claim 1, it is characterised in that include power source assembly and with described power source assembly
The drive pulley being connected, described drive pulley is connected with described leading screw, and described power source assembly is by driving described transmission
Belt wheel rotates and drives described leading screw to rotate.
Linear joint the most according to claim 2, it is characterised in that described power source assembly includes driving motor and motor
Timing Belt, described driving motor is connected by described motor synchronous belt with described drive pulley, and described driving motor is by described
Motor synchronous belt drives described drive pulley to rotate.
Linear joint the most according to claim 3, it is characterised in that also include panel, described panel and described biography
Sensor main body connects, and described sensor main body can detect the position of described slide block assembly according to the extension elongation of described stay cord
Information sends to described panel, so that described panel is described to change by regulating the size of electric current in described driving motor
Drive pulley and the rotating speed of described leading screw.
Linear joint the most according to claim 2, it is characterised in that also include encoder and encoder hold-in range, described
Encoder includes encoder main body and encoder belt wheel, and described encoder belt wheel is by described encoder hold-in range and described transmission
Belt wheel connects, and described encoder main body can pass through described encoder belt wheel and described encoder hold-in range to described drive pulley
And the rotating speed of described leading screw and positional information detect.
Linear joint the most according to claim 1, it is characterised in that described support includes the first installing plate, the second installation
Plate and the 3rd installing plate, described first installing plate is oppositely arranged with described second installing plate, and described 3rd installing plate connects described
First installing plate and described second installing plate, parallel described 3rd installing plate of described leading screw is arranged, and the two ends of described leading screw are divided
Tong Guo not be connected with described first installing plate and the second installing plate by bearing, described stay cord main body is installed on described first installing plate
On.
Linear joint the most according to claim 6, it is characterised in that described 3rd installing plate is provided with and is parallel to described silk
The guide rail of thick stick, described slide block assembly includes connecting plate and the slide block being connected with described connecting plate, described slide block and described guide rail
Matching, described connecting plate is located on described leading screw, and is meshed with described leading screw, and described leading screw rotates, with by described company
Fishplate bar drives described slide block along described slide.
Linear joint the most according to claim 7, it is characterised in that described guide rail is two, two described guide rails are respectively
Being positioned at the both sides of described leading screw, described slide block is two, two described slide blocks and two described guide rail one_to_one corresponding, described connection
Plate connects two described slide blocks.
Linear joint the most according to claim 7, it is characterised in that described connecting plate is opened towards the side of the 3rd installing plate
Being provided with guide groove, the edge of described 3rd installing plate is provided with the flanging being parallel to described guide rail, and described flanging can be placed in institute
Stating in guide groove, described guide groove is two, and two described guide grooves be arranged in parallel, and described flanging is two, two described flangings and institute
State guide groove one_to_one corresponding.
Linear joint the most according to claim 7, it is characterised in that described rope sensor also includes stay cord fixed plate,
Described stay cord fixed plate is connected with described connecting plate, and described stay cord is fixed on described stay cord away from one end of described sensor main body
In fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620720459.3U CN205870594U (en) | 2016-07-07 | 2016-07-07 | Straight line joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620720459.3U CN205870594U (en) | 2016-07-07 | 2016-07-07 | Straight line joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205870594U true CN205870594U (en) | 2017-01-11 |
Family
ID=57696606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620720459.3U Active CN205870594U (en) | 2016-07-07 | 2016-07-07 | Straight line joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205870594U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109648606A (en) * | 2018-12-29 | 2019-04-19 | 深圳市越疆科技有限公司 | The bracing wire test method of SCARA robot |
| CN110966268A (en) * | 2019-11-26 | 2020-04-07 | 深圳市盛泰智能装备有限公司 | Heavy-load high-precision closed-loop servo hydraulic motor driving linear module |
| CN110974287A (en) * | 2019-12-25 | 2020-04-10 | 合肥登特菲医疗设备有限公司 | Image splicing implementation structure for dental CBCT |
| CN113427468A (en) * | 2021-06-04 | 2021-09-24 | 潍坊新松机器人自动化有限公司 | Intelligent robot external shaft |
-
2016
- 2016-07-07 CN CN201620720459.3U patent/CN205870594U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109648606A (en) * | 2018-12-29 | 2019-04-19 | 深圳市越疆科技有限公司 | The bracing wire test method of SCARA robot |
| CN110966268A (en) * | 2019-11-26 | 2020-04-07 | 深圳市盛泰智能装备有限公司 | Heavy-load high-precision closed-loop servo hydraulic motor driving linear module |
| CN110974287A (en) * | 2019-12-25 | 2020-04-10 | 合肥登特菲医疗设备有限公司 | Image splicing implementation structure for dental CBCT |
| CN113427468A (en) * | 2021-06-04 | 2021-09-24 | 潍坊新松机器人自动化有限公司 | Intelligent robot external shaft |
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