CN208754213U - A kind of novel high-precision slipway mechanism - Google Patents
A kind of novel high-precision slipway mechanism Download PDFInfo
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- CN208754213U CN208754213U CN201821319531.7U CN201821319531U CN208754213U CN 208754213 U CN208754213 U CN 208754213U CN 201821319531 U CN201821319531 U CN 201821319531U CN 208754213 U CN208754213 U CN 208754213U
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- zero
- testing sensor
- slide unit
- stepper motor
- rack
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Abstract
The utility model relates to a kind of novel high-precision slipway mechanisms, belong to medical machinery field, including stepper motor, slide unit support, gear, rack frame, signal feedback device, connecting rod and zero correction device, the stepper motor is mounted on slide unit support, the rack frame passes through slide unit support and installs with slide unit bearing sliding, the signal feedback device includes code-disc and photoelectric testing sensor, the zero correction device includes zero testing sensor stand and zero-bit piece, the motor shaft of stepper motor is coaxially connected with gear and code-disc simultaneously, the photoelectric testing sensor is mounted on rack frame, photoelectric testing sensor and code-disc cooperating, rack gear is installed on the rack frame, slide unit sliding is realized by rack-and-pinion, and the motion conditions of real-time monitoring stepper motor, feedback signal is provided for control system, with It is corrected in time convenient for control system, improves the kinematic accuracy of slide unit, to improve the performance and stability of entire Medical Devices.
Description
Technical field
The utility model relates to a kind of novel high-precision slipway mechanisms, belong to medical machinery field.
Background technique
Especially some medical treatment detection devices in medical industry, often there is some reagent carriers, such as: reagent card, sample
The objects such as vessel need by it is accurate, rapid, be reliably movable so as to carry out the operation such as subsequent detection, wherein slide unit is to realize to move
One of dynamic primary structure, performance have great influence to the performance parameter of medical whole set equipment；Slide unit in the prior art
There are two types of driving methods: one is servo motor driving, advantage is that speed and accuracy are high, the disadvantage is that at high cost, own institutions
Heaviness is unfavorable for being driven；It is another kind of be stepper motor driving, advantage be it is at low cost, disadvantage is the absence of signal feedback device, no
It can find that stroke loses step problem in time, so-called stroke is lost step and referred to: because pulse signal is converted to displacement signal by stepper motor,
As soon as turning an angle, if pulse frequency is too fast, motor is not able to rotate specified angle, is equivalent to when giving motor pulse
Wherein several pulse signals are lost, to influence the kinematic accuracy of slide unit, influence the kinematic accuracy of whole equipment indirectly, and
The precision of Medical Devices directly affects diagnostic result, therefore how to monitor stepper motor loses step problem to be control system
It provides and needs modified parameter, be a urgent problem needed to be solved in the prior art.
Utility model content
The utility model passes through gear in view of the deficienciess of the prior art, provide a kind of novel high-precision slipway mechanism
Rack gear realizes slide unit sliding, and the motion conditions of real-time monitoring stepper motor, feedback signal is provided for control system, in order to control
System processed is corrected in time, improves the kinematic accuracy of slide unit, to improve the performance and stability of entire Medical Devices.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of novel high-precision slipway mechanism, including
Stepper motor, slide unit support, gear, rack frame, signal feedback device, connecting rod and zero correction device, the stepping electricity
Machine is mounted on slide unit support, and the rack frame passes through slide unit support and installs with slide unit bearing sliding, the signal feedback
Device includes code-disc and photoelectric testing sensor, and the zero correction device includes zero testing sensor stand and zero-bit piece,
The motor shaft of stepper motor is coaxially connected with gear and code-disc simultaneously, and the photoelectric testing sensor is mounted on rack frame,
Photoelectric testing sensor and code-disc cooperating install rack gear, rack and pinion engagement, the connecting rod on the rack frame
One end is mounted on slide unit support, and the other end connects zero testing sensor stand, is pacified on the zero testing sensor stand
Zero testing sensor is filled, the zero-bit piece is mounted on rack frame, and the zero testing sensor and zero-bit piece cooperate work
Make, the stepper motor, photoelectric testing sensor and zero testing sensor are electrically connected with control processor.
The beneficial effects of the utility model are: slide unit sliding is realized by setting rack-and-pinion, by the way that zero correction is arranged
Device and signal feedback device refer to zero-bit, and the motion conditions of real-time monitoring stepper motor convenient for correction, mention for control system
For feedback signal, in order to which control system is corrected in time, the kinematic accuracy of slide unit is improved, to improve entire Medical Devices
Performance and stability.
Based on the above technical solution, the utility model can also do following improvement.
It further, further include zero-bit piece mounting bracket, the zero-bit piece is mounted on rack gear frame by zero-bit piece mounting bracket
On frame, the zero-bit piece mounting bracket is adjustable in the position of rack frame.
Beneficial effect using above-mentioned further scheme is to be conveniently adjusted the position of zero-bit piece, and then adjust and refer to zero-bit
Position.
Further, the body design of zero-bit piece mounting bracket is the ring-type of non-close, and open end connects two parallel tongue pieces,
Zero-bit piece is mounted on any one tongue piece, and two tongue pieces are attached by screw.
Beneficial effect using above-mentioned further scheme is that adjustment is convenient and fast, improves working efficiency.
Further, U-type groove is arranged in the zero testing sensor stand, installs zero testing sensor, zero-bit in U-type groove
Piece may pass through U-type groove when mobile with rack frame.
Further, the zero testing sensor is laser sensor.
Beneficial effect using above-mentioned further scheme is that detection quick and precisely, improves detection accuracy.
Further, the connection pole length is adjustable, and the connecting rod is retractable structure.
Beneficial effect using above-mentioned further scheme is to be easy to implement the adjusting of stroke length.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 be the utility model without slide unit support when structural schematic diagram.
1. stepper motor in figure, 2. slide unit supports, 3. rack frames, 4. gears, 5. code-discs, 6. photoelectric testing sensors,
7. connecting rod, 8. zero testing sensor stands, 9. zero-bit pieces, 8-1.U type groove, 9-1. zero-bit piece mounting bracket, 9-2. tongue piece.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
Embodiment 1
A kind of novel high-precision slipway mechanism, including stepper motor 1, slide unit support 2, gear 4, rack frame 3, signal are anti-
Feedback device, connecting rod 7 and zero correction device, the stepper motor 1 are mounted on slide unit support 2, and the rack frame 3 passes through
Slide unit support 2 is simultaneously slidably installed with slide unit support 2, and the signal feedback device includes code-disc 5 and photoelectric testing sensor 6, institute
Stating zero correction device includes zero testing sensor stand 8 and zero-bit piece 9, the motor shaft of stepper motor 1 simultaneously with gear 4 and
Code-disc 5 is coaxially connected, and the photoelectric testing sensor 6 is mounted on rack frame 3, and photoelectric testing sensor 6 and code-disc 5 cooperate
It works, rack gear is installed on the rack frame 3, rack and pinion 4 engages, and described 7 one end of connecting rod is mounted on slide unit support 2
On, the other end connects zero testing sensor stand 8, and 7 length of connecting rod is adjustable, and the connecting rod 7 is scalable
Structure is easy to implement the adjusting of stroke length, and zero testing sensor is installed on the zero testing sensor stand 8, described
Zero-bit piece 9 is mounted on rack frame 3, the zero testing sensor and 9 cooperating of zero-bit piece, the stepper motor 1, light
Electro-detection sensor 6 and zero testing sensor are electrically connected with control processor, realize that slide unit is sliding by setting 4 rack gear of gear
It is dynamic, by setting zero correction device and signal feedback device, zero-bit is referred to convenient for correcting, and real-time monitoring stepper motor 1
Motion conditions provide feedback signal for control system, in order to which control system is corrected in time, improve the movement essence of slide unit
Degree, to improve the performance and stability of entire Medical Devices.
Embodiment 2
On the basis of above-described embodiment 1, the utility model can also do following improvement.
It further, further include zero-bit piece mounting bracket 9-1, the zero-bit piece 9 is mounted on by zero-bit piece mounting bracket 9-1
On rack frame 3, the zero-bit piece mounting bracket 9-1 is adjustable in the position of rack frame 3, zero-bit piece mounting bracket 9-1
Body design be non-close ring-type, open end connects two parallel tongue piece 9-2, and zero-bit piece 9 is mounted on any one tongue piece
On 9-2, two tongue piece 9-2 are attached by screw, are conveniently adjusted the position of zero-bit piece 9, and then adjust the position for referring to zero-bit
It sets, adjustment is convenient and fast, improves working efficiency.
Further, U-type groove 8-1 is arranged in the zero testing sensor stand 8, installation zero testing sensing in U-type groove 8-1
Device, zero-bit piece 9 may pass through U-type groove 8-1 when mobile with rack frame 3, the zero testing sensor is laser sensor, detection
Quick and precisely, detection accuracy is improved.
When work, stepper motor 1, which is powered, carries out self-test operations, and stepper motor 1 is by driving gear 4 that biography is engaged with rack
It is dynamic, it realizes that rack frame 3 is moved along slide unit support 2, so that zero testing sensor stand 8 is run to 9 position of zero-bit piece, that is, be located at
Then zero-bit brings into operation set distance according to the instruction of control processor from zero-bit, in operational process, photoelectric testing sensor
Output signal is simultaneously fed back to control processor by the motion conditions of 6 detection code-discs 5, and it is inclined to be modified operation convenient for control processor
Difference.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (6)
1. a kind of novel high-precision slipway mechanism, it is characterised in that: including stepper motor, slide unit support, gear, rack frame,
Signal feedback device, connecting rod and zero correction device, the stepper motor are mounted on slide unit support, and the rack frame is worn
It crosses slide unit support and is installed with slide unit bearing sliding, the signal feedback device includes code-disc and photoelectric testing sensor, described
Zero correction device includes zero testing sensor stand and zero-bit piece, and the motor shaft of stepper motor is same with gear and code-disc simultaneously
Axis connection, the photoelectric testing sensor are mounted on rack frame, photoelectric testing sensor and code-disc cooperating, the tooth
Rack gear, rack and pinion engagement are installed, described connecting rod one end is mounted on slide unit support, and the other end connects zero-bit on frame
Detection sensor bracket, zero testing sensor is installed on the zero testing sensor stand, and the zero-bit piece is mounted on tooth
On frame, the zero testing sensor and zero-bit piece cooperating, the stepper motor, photoelectric testing sensor and zero-bit
Detection sensor is electrically connected with control processor.
2. a kind of novel high-precision slipway mechanism according to claim 1, it is characterised in that: further include zero-bit piece installation branch
Frame, the zero-bit piece are mounted on rack frame by zero-bit piece mounting bracket, and the zero-bit piece mounting bracket is in rack frame
Position it is adjustable.
3. a kind of novel high-precision slipway mechanism according to claim 2, it is characterised in that: the sheet of zero-bit piece mounting bracket
Body is designed as the ring-type of non-close, and open end connects two parallel tongue pieces, and zero-bit piece is mounted on any one tongue piece, two tongue pieces
It is attached by screw.
4. a kind of novel high-precision slipway mechanism according to claim 1, it is characterised in that: the zero testing sensor
U-type groove is arranged in bracket, and zero testing sensor is installed in U-type groove, and zero-bit piece may pass through U-type groove when mobile with rack frame.
5. a kind of novel high-precision slipway mechanism according to claim 1, it is characterised in that: the zero testing sensor
For laser sensor.
6. a kind of novel high-precision slipway mechanism according to claim 1, it is characterised in that: the connection pole length can be with
It adjusts, the connecting rod is retractable structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821319531.7U CN208754213U (en) | 2018-08-15 | 2018-08-15 | A kind of novel high-precision slipway mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821319531.7U CN208754213U (en) | 2018-08-15 | 2018-08-15 | A kind of novel high-precision slipway mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208754213U true CN208754213U (en) | 2019-04-16 |
Family
ID=66080520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821319531.7U Active CN208754213U (en) | 2018-08-15 | 2018-08-15 | A kind of novel high-precision slipway mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN208754213U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111876884A (en) * | 2020-07-23 | 2020-11-03 | 浙江泰坦股份有限公司 | Zero alignment method for weaving machine |
-
2018
- 2018-08-15 CN CN201821319531.7U patent/CN208754213U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111876884A (en) * | 2020-07-23 | 2020-11-03 | 浙江泰坦股份有限公司 | Zero alignment method for weaving machine |
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