CN209604874U - A kind of anticollision mechanism and driver of single shaft driver - Google Patents
A kind of anticollision mechanism and driver of single shaft driver Download PDFInfo
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- CN209604874U CN209604874U CN201920128949.8U CN201920128949U CN209604874U CN 209604874 U CN209604874 U CN 209604874U CN 201920128949 U CN201920128949 U CN 201920128949U CN 209604874 U CN209604874 U CN 209604874U
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- fixed block
- platform body
- jacking block
- driver
- needle bearing
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Abstract
The utility model discloses the anticollision mechanisms and driver of a kind of uniaxial driver, and anticollision mechanism includes platform body, fixed block, slide post, jacking block, fixed pin shaft, needle bearing, photoelectric sensor and detection piece；Fixed block is set to the lateral surface of platform body by slide post sliding, and needle bearing is set to the top of fixed block vertically；Jacking block rear end is inserted into the location hole on platform body lateral surface, and the end face of front end is against needle bearing outer ring；Slide post is set to the two sides of jacking block, and its rear end is arranged on the lateral surface of platform body, and front end is slidably disposed through fixed block and is limited by locking nut；Detection piece is fixed on fixed block, and photoelectric sensor is set on platform body, and photoelectric sensor and detection piece cooperate, and detects the motor stop jumping of single shaft driver when producing relative sliding between platform body and fixed block.The anticollision mechanism structure is simple, and manufacturing cost is low, high sensitivity when detection is collided, and can effectively prevent colliding the damage of mechanical equipment caused by when occurring.
Description
Technical field
The utility model relates to technical field of mechanical automation, and in particular to a kind of anticollision mechanism of single shaft driver.
Background technique
Uniaxial driver is the critical component in automated arm, fast with speed, high-efficient, and function integrates powerful etc.
Advantage.When uniaxial driver acts back and forth, when control program failure causes moving component dynamic not by defined path
When making, moving component can collide with other equipment of peripheral machinery equipment or actuator body, to cause associated mechanical
The damage of the components such as the line slide rail of equipment and uniaxial driver, the maintenance cost of uniaxial driver is high after being damaged, after maintenance
Working efficiency is greatly lowered.
Utility model content
The utility model provides a kind of anticollision mechanism of uniaxial driver, makes and changing on the basis of existing uniaxial driver
Into, devise that a kind of structure is simple, the low anticollision mechanism of manufacturing cost, when collision can be effectively prevent to occur caused by mechanical equipment
Damage.
For this purpose, the technical solution adopted in the utility model is:
A kind of anticollision mechanism of single shaft driver, including platform body, fixed block, slide post, jacking block, fixed pin shaft, rolling
Needle bearing, photoelectric sensor and detection piece；Fixed block is slidingly disposed at the lateral surface of platform body, needle roller axis by slide post
The top for being set to fixed block vertically by fixed pin shaft is held, jacking block rear end is inserted into the location hole on platform body lateral surface, preceding
Hold end face against needle bearing outer ring；Slide post has two, is respectively arranged on the two sides of jacking block, and its rear end is arranged in platform body
On lateral surface, front end is slidably disposed through fixed block and is limited by locking nut；Detection piece is set on fixed block, photoelectric sensing
Device is set on platform body, and photoelectric sensor and the cooperation of detection piece are detected and produced relative sliding between platform body and fixed block
When single shaft driver motor stop jumping.
Fixed block, which is fixed on moving component, does back and forth movement with moving component, passes through top between platform body and fixed block
Block, slide post connection；Under normal circumstances, without opposite sliding between fixed block and platform body, when platform body encounters resistance
When hindering, that is, when colliding, two slide posts drive platform body to slide along the slotted hole of fixed block, and needle bearing is in jacking block
Outer end face rolls, and dislocation is generated between fixed block and platform body, and optoelectronic switch detects jump, motor power-off, single shaft driving
Device stopping movement, avoids the generation of damage.
Further, the jacking block is equipped with relocation mechanism, and relocation mechanism includes compressed spring and alignment pin；Platform body
On location hole be counterbore, strip sliding slot is offered above counterbore, alignment pin slides through strip sliding slot insertion top
Block is fixedly connected with jacking block；Compressed spring is set in the spring mounting hole of fixed block, and one end of compressed spring is against platform body
Location hole bottom wall, bottom wall of the other end against the spring mounting hole of fixed block；Jacking block its front end end under spring holding power
Face pressure leans on needle bearing outer ring.
Relocation mechanism role is under normal circumstances, so that jacking block is pressed against fixed block by the support of spring force
Unexpected sliding is not susceptible between platform body, between platform body and fixed block；When there is collision to occur, impact force is greater than
Frictional force, jacking block are slided with slide post.The setting of spring also acts as the effect for absorbing local collision energy, protects anticollision
Mechanism body is not damaged when colliding generation.Alignment pin limits the rotation of jacking block, and jacking block only slides and do not rotate, and when positioning can
By property height.
Further, the central part of the jacking block front end face radially offers U-shaped through slot, and it is logical that needle bearing is contained in U-shaped
In slot.The design of U-shaped through slot can make the movement of jacking block be limited to certain range, prevent from excessively colliding and cause Anti-collision mechanism sheet
The damage of body.
Further, two slide post is limited after the slotted hole of fixed block by fixinig plate and locking nut.It is logical
Two slide posts can be connected as one by crossing fixinig plate and platform body, and when sliding integrally drives platform body to slide, and movement is reliable
Property it is high.
A kind of single shaft driver, including rack, servo motor, linear guide, load platform and belt drive system, it is special
Sign is that the load platform is equipped with any one of the above anticollision mechanism；Servo motor drive belt moves back and forth, belt band
Dynamic load platform does round-trip movement along linear slide rail, and when colliding, anticollision mechanism, which issues signal, makes the motor of uniaxial driver
Stop jumping.
The utility model has the beneficial effects that
1, the anticollision mechanism structure of the application is simple, compact, and installation space is small not to increase driver load, manufacturing cost
It is low.
2, the anticollision mechanism of the application detects high sensitivity when colliding, highly reliable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment 1 of the anticollision mechanism of the utility model single shaft driver, and Fig. 1 is to decompose
Figure.
Fig. 2 is the schematic perspective view of the jacking block of the embodiment 1 of the anticollision mechanism of the utility model single shaft driver.
Fig. 3 is cross-sectional view of the Fig. 2 along the pin hole center of jacking block, mainly shows the structure feature of spring mounting hole.
Fig. 4 is a kind of structural schematic diagram of uniaxial driver equipped with anticollision mechanism described in embodiment 1.
Specific embodiment
It is preferred below in conjunction with attached drawing and one kind to keep the purpose of this utility model, technical solution and advantage clearer
Embodiment the technical solution of the utility model is clearly and completely described.
Embodiment 1
Refering to fig. 1, a kind of anticollision mechanism of uniaxial driver, including platform body 4.1, fixed block 4.11, fixinig plate
4.10, slide post 4.2, jacking block 4.4, compressed spring 4.3, alignment pin 4.5, fixed pin shaft 4.8, needle bearing 4.9, photoelectric transfer
Sensor 4.6 and detection piece 4.7.
The top of the lateral surface of platform body 4.1 is successively arranged the first slide post mounting hole, jacking block mounting hole from left to right
And the second slide post mounting hole, the first slide post mounting hole, jacking block mounting hole and the setting of the second slide post mounting hole parallel, horizontal.
Jacking block mounting hole is counterbore, and top is equipped with rectangular aperture slot.First slide post mounting hole and the second slide post mounting hole are spiral shell
Pit.
Slide post 4.2 is equipped with two altogether, and in the present embodiment, slide post 4.2 is round sleeve, and both ends are equipped with outer spiral shell
Line.
Refering to Fig. 2 and Fig. 3, in the present embodiment, jacking block 4.4 is in short cylindrical shape, and the central part of front end surface radially passes through
Logical to be equipped with U-shaped opening slot 4.42, the opening of U-shaped opening slot is adapted to needle bearing 4.9.The rear side of U-shaped opening slot is equipped with positioning
Mounting hole 4.41 is sold, positioning pin mounting hole 4.41 is the through-hole with the equidirectional setting of U-shaped opening slot 4.42.The rear end of jacking block is axial
Equipped with spring mounting hole 4.43, spring mounting hole is counterbore, and aperture is adapted to the outer diameter of compressed spring 4.3, in the present embodiment,
Compressed spring 4.3 is spiral compression spring.
Refering to fig. 1, in the present embodiment, fixed block 4.11 is in flat rectangular body shape, and lateral surface is equipped with rectangular notch, square
Symmetrically opening up along fixed block thickness direction that there are two slotted holes in v notch v, the length of two slotted holes is horizontally extending, and two
The hole center of slotted hole and the hole center of the first slide post mounting hole of platform body 4.1 and the second slide post mounting hole are one by one
Corresponding, the minimum-value aperture of slotted hole is slightly larger than the Circularhole diameter of slide post mounting hole.The top vertical of fixed block 4.11 offers
Fixed pin mounting hole, fixed pin mounting hole are counterbore.
In the present embodiment, fixinig plate 4.10 is strip thin slice, the depth of thickness and the rectangular notch of fixed block 4.11
Degree is consistent, and length is less than the length of the rectangular notch of fixed block 4.11.Two circles are equipped with through its thickness direction on fixinig plate 4.10
Hole, circular hole aperture are slightly larger than the outer diameter of slide post 4.2, and the center of two circular holes is away from the center with two slotted holes on fixed block 4.11
Away from consistent.
The mounting means of this anticollision mechanism are as follows:
The inner ring that fixed pin shaft 4.8 passes through needle bearing 4.9 is injected in the fixed pin mounting hole at 4.11 top of fixed block,
Fixed pin shaft 4.8 is connect with the inner ring transition fit of needle bearing 4.9, and the outer ring of needle bearing 4.9 and inner ring are rolled by needle roller
Dynamic connection.Fixed pin shaft 4.8 is connect with 4.11 shaft hole matching of fixed block.Detection piece 4.7 is mounted on fixed block 4.11 by screw
Top.Detection piece is L shape sheet metal, is equipped with rectangular aperture in the middle part of the upper end.
Compressed spring 4.3 is placed in the spring mounting hole 4.43 of jacking block, jacking block 4.4 is placed in together with compressed spring 4.3
In the jacking block mounting hole of platform body 4.1, make one end of compressed spring 4.3 against the bottom wall of jacking block mounting hole, the other end against
The bottom wall of spring mounting hole 4.43；Alignment pin 4.5 is passed through to the rectangular aperture slot above the jacking block mounting hole of platform body 4.1
It is inserted into the positioning pin mounting hole 4.41 of jacking block, alignment pin 4.5 is connect with 4.4 shaft hole matching of jacking block.
The rear end of two slide posts 4.2 is screwed in respectively in the first slide post mounting hole and the second slide post mounting hole.
Two slotted holes of fixed block 4.11 are made to be each passed through front end of 4.2 sets of two slide post in two slide posts, in two slidings
One end of the stretching fixed block 4.11 of column 4.11 is sleeved and fixed piece 4.10, screws in nut in the outside of fixinig plate；Adjust fixed block
The distance between 4.11 and platform body 4.1 are contained in needle bearing 4.9 in the U-shaped opening slot 4.42 of jacking block front end face, pressure
Contracting spring 4.3 under compression one end against jacking block mounting hole bottom wall, the other end against spring mounting hole 4.43 bottom wall,
The front end surface of jacking block 4.4 is pressed against the outer ring of needle bearing 4.9, tightens nut limit.
Photoelectric sensor 4.6 is fixed by screws on platform body 4.1, the rectangle of its transmitter alignment detection piece is made
Opening.Photoelectric sensor is the prior art, in the present embodiment, selects OMRON EE-SX95 photomicrosensor.
Embodiment 2
A kind of single shaft driver, including rack, servo motor 1, linear guide 2, load platform 4 and belt drive system 3,
Load platform 4 is equipped with anticollision mechanism described in embodiment 1.
The working principle of embodiment 2 are as follows:
Servo motor 1 drags belt and does back and forth movement, and fixed block 4.11 is fixedly connected with belt, under normal circumstances, Gu
Determine to occur to slide relatively under the action of the spring force of compressed spring 4.3 between block 4.11 and platform body 4.1, photoelectricity is opened
The light beam that 4.6 launch is closed to project from the opening of detection piece 4.7；When platform body 4.1 encounters obstruction, two slide posts
4.2 drive platform body 4.1 to slide along the slotted hole of fixed block 4.11, generate between fixed block 4.11 and platform body 4.1 wrong
Position, the light beam that optoelectronic switch 4.6 is launched are stopped to reflect through detection piece by detection piece 4.7, and optoelectronic switch detects jump,
Servo motor 1 powers off, uniaxial driver stopping movement.
Not doing the part illustrated in above instructions is the prior art, or has both been able to achieve by the prior art.
Claims (5)
1. a kind of anticollision mechanism of single shaft driver, it is characterised in that: including platform body, fixed block, slide post, jacking block, consolidate
Rationed marketing axis, needle bearing, photoelectric sensor and detection piece；Fixed block is slidingly disposed at the outside of platform body by slide post
Face, needle bearing are set to the top of fixed block vertically by fixed pin shaft, determined on jacking block rear end insertion platform body lateral surface
In the hole of position, front end surface is against needle bearing outer ring；Slide post has two, is respectively arranged on the two sides of jacking block, and its rear end is arranged in
On the lateral surface of platform body, front end is slidably disposed through fixed block and is limited by locking nut；Detection piece is set to fixed block
On, photoelectric sensor is set on platform body, and photoelectric sensor and the cooperation of detection piece detect between platform body and fixed block
The motor stop jumping of single shaft driver when producing relative sliding.
2. anticollision mechanism as described in claim 1, which is characterized in that the jacking block is equipped with relocation mechanism, and relocation mechanism includes
Compressed spring and alignment pin；Location hole on platform body is counterbore, offers strip sliding slot, positioning pin above counterbore
Axis slides through strip sliding slot insertion jacking block and is fixedly connected with jacking block；Compressed spring is set in the spring mounting hole of fixed block,
Bottom wall of the one end of compressed spring against the location hole of platform body, bottom wall of the other end against the spring mounting hole of fixed block；
Jacking block its front end surface under spring holding power is pressed against needle bearing outer ring.
3. anticollision mechanism as claimed in claim 1 or 2, which is characterized in that the central part of the jacking block front end face radially opens up
There is U-shaped through slot, needle bearing is contained in U-shaped through slot.
4. anticollision mechanism as claimed in claim 1 or 2, which is characterized in that two slide post passes through the slotted hole of fixed block
It is limited afterwards by fixinig plate and locking nut.
5. a kind of single shaft driver, including rack, servo motor, linear guide, load platform and belt drive system, feature
It is, the load platform is equipped with the anticollision mechanism as described in Claims 1 to 4 any one；Servo motor drive belt
It moves back and forth, belt drives load platform to do round-trip movement along linear slide rail, and when colliding, anticollision mechanism issues signal and makes
The motor stop jumping of uniaxial driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920128949.8U CN209604874U (en) | 2019-01-25 | 2019-01-25 | A kind of anticollision mechanism and driver of single shaft driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920128949.8U CN209604874U (en) | 2019-01-25 | 2019-01-25 | A kind of anticollision mechanism and driver of single shaft driver |
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| Publication Number | Publication Date |
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| CN209604874U true CN209604874U (en) | 2019-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920128949.8U Active CN209604874U (en) | 2019-01-25 | 2019-01-25 | A kind of anticollision mechanism and driver of single shaft driver |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780411A (en) * | 2019-01-25 | 2019-05-21 | 江苏信息职业技术学院 | A kind of anticollision mechanism and driver of single shaft driver |
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2019
- 2019-01-25 CN CN201920128949.8U patent/CN209604874U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780411A (en) * | 2019-01-25 | 2019-05-21 | 江苏信息职业技术学院 | A kind of anticollision mechanism and driver of single shaft driver |
| CN109780411B (en) * | 2019-01-25 | 2023-11-07 | 江苏信息职业技术学院 | Anticollision mechanism and driver of unipolar driver |
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