CN203133562U - Accurate displacement positioning device and accurate position device for sample feeding arm in enzyme-immunity work station - Google Patents
Accurate displacement positioning device and accurate position device for sample feeding arm in enzyme-immunity work station Download PDFInfo
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- CN203133562U CN203133562U CN 201320143714 CN201320143714U CN203133562U CN 203133562 U CN203133562 U CN 203133562U CN 201320143714 CN201320143714 CN 201320143714 CN 201320143714 U CN201320143714 U CN 201320143714U CN 203133562 U CN203133562 U CN 203133562U
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Abstract
The utility model discloses an X-direction accurate displacement positioning device, comprising two belt wheels and a driving belt tightly wound on the two belt wheels. A driving wheel is driven by a stepping motor. Two groups of photoelectric switches are fixed on an X-direction edge of the driving belt. A tested object of the photoelectric switches has a list of X-direction optical channels which are arranged at equal intervals. A target object is fixed on the X-direction edge of the driving belt. The utility model also discloses X-direction and Y-direction accurate displacement positioning devices. In addition, an accurate position device for a sample feeding arm in an enzyme-immunity work station is also disclosed and aims to realize accurate positioning both in an X direction and a Y direction at the same time. The stepping motor drives the driving wheel. The driving belt moves to drive the target object and the two groups of photoelectric switches to move. The photoelectric switches changes a feedback signal output state once as the stepping motor rotates by a fixed angle. A PLC control circuit determines that whether a mechanical moving assembly moves in place or not so as to control the stepping motor.
Description
Technical field
The utility model belongs to displacement control technology field, is specifically related to a kind of displacement accurate positioning device, more specifically, relates to the realization enzyme and exempts from the pinpoint device of sample arm in the workstation.
Background technology
Present enzyme is exempted from the workstation, and the accurate location of sample arm displacement realizes that by the motor positioning system motor positioning system generally adopts photoelectric encoder to finish.Photoelectric encoder is a kind ofly to convert the geometric displacement amount on the motor output shaft sensor of pulse or digital quantity to by opto-electronic conversion, has advantages such as high precision, high resolution, low energy consumption, output are stable, but adopts the photoelectric encoder cost higher.
In the teaching material of Fundamentals of Machine Design, when discussing the band transmission, the driving-belt that will be positioned at two belt wheel both sides is referred to as the both sides of driving-belt.When being described below the invention, the concept on the both sides of driving-belt will be used.
Summary of the invention
The technical problems to be solved in the utility model provides the low displacement accurate positioning device of a kind of cost.
A kind of X-direction displacement accurate positioning device, in order to realize that target object is in the accurate location of X-direction, comprise two belt wheels and tight driving-belt on two belt wheels, this band transmission is the opening transmission, driving wheel is driven by stepper motor, driving-belt has the X-direction limit, two groups of optoelectronic switches are fixed on the driving-belt X-direction limit, has the optical channel that a row X-direction is equidistantly arranged on the detected material of optoelectronic switch, the X-direction spacing of adjacent light passage is greater than the X-direction distance of two groups of optoelectronic switch emission light beams, the X-direction width that is positioned at the optical channel A of an end equals the X-direction distance of two groups of optoelectronic switch emission light beams, when two groups of optoelectronic switch emission light beams pass optical channel A simultaneously, this position be the X-direction zero-base on schedule, two groups of optoelectronic switches and stepper motor all electrically connect PLC, target object is fixed on the driving-belt X-direction limit.
A kind of X-direction and Y-direction displacement accurate positioning device are in order to realize target object simultaneously in the accurate location of X-direction and Y-direction, X-direction displacement accurate positioning device and Y-direction displacement accurate positioning device;
X-direction displacement accurate positioning device comprises two belt wheels and tight driving-belt on two belt wheels, this band transmission is the opening transmission, driving wheel is driven by stepper motor, driving-belt has the X-direction limit, two groups of optoelectronic switches are fixed on the driving-belt X-direction limit, has the optical channel that a row X-direction is equidistantly arranged on the detected material of optoelectronic switch, the X-direction spacing of adjacent light passage is greater than the X-direction distance of two groups of optoelectronic switch emission light beams, the X-direction width that is positioned at the optical channel A of an end equals the X-direction distance of two groups of optoelectronic switch emission light beams, when two groups of optoelectronic switch emission light beams pass optical channel A simultaneously, this position be the X-direction zero-base on schedule, two groups of optoelectronic switches and stepper motor all electrically connect PLC, and target object is fixed on the driving-belt X-direction limit;
The integral installation of X-direction displacement accurate positioning device is on sliding bottom, and sliding bottom and Y-direction slide rail are slidingly matched;
Y-direction displacement accurate positioning device comprises two belt wheels and tight driving-belt on two belt wheels, this band transmission is the opening transmission, driving wheel is driven by stepper motor, driving-belt has the Y-direction limit, two groups of optoelectronic switches are fixed on the driving-belt Y-direction limit, has the optical channel that a row Y-direction is equidistantly arranged on the detected material of optoelectronic switch, the Y-direction spacing of adjacent light passage is greater than the Y-direction distance of two groups of optoelectronic switch emission light beams, the Y-direction width that is positioned at the optical channel A of an end equals the Y-direction distance of two groups of optoelectronic switch emission light beams, when two groups of optoelectronic switch emission light beams pass optical channel A simultaneously, this position be the Y-direction zero-base on schedule, two groups of optoelectronic switches and stepper motor all electrically connect PLC, and sliding bottom is fixed on the driving-belt Y-direction limit.
A kind of enzyme is exempted from sample arm accurate positioning device in the workstation, in order to realize sample arm simultaneously in the accurate location of X-direction and Y-direction, X-direction displacement accurate positioning device and Y-direction displacement accurate positioning device;
X-direction displacement accurate positioning device comprises two belt wheels and tight driving-belt on two belt wheels, this band transmission is the opening transmission, driving wheel is driven by stepper motor, driving-belt has the X-direction limit, two groups of optoelectronic switches are fixed on the driving-belt X-direction limit, has the optical channel that a row X-direction is equidistantly arranged on the detected material of optoelectronic switch, the X-direction spacing of adjacent light passage is greater than the X-direction distance of two groups of optoelectronic switch emission light beams, the X-direction width that is positioned at the optical channel A of an end equals the X-direction distance of two groups of optoelectronic switch emission light beams, when two groups of optoelectronic switch emission light beams pass optical channel A simultaneously, this position be the X-direction zero-base on schedule, two groups of optoelectronic switches and stepper motor all electrically connect PLC, and sample arm is fixed on the driving-belt X-direction limit;
The integral installation of X-direction displacement accurate positioning device is on sliding bottom, and sliding bottom and Y-direction slide rail are slidingly matched;
Y-direction displacement accurate positioning device comprises two belt wheels and tight driving-belt on two belt wheels, this band transmission is the opening transmission, driving wheel is driven by stepper motor, driving-belt has the Y-direction limit, two groups of optoelectronic switches are fixed on the driving-belt Y-direction limit, has the optical channel that a row Y-direction is equidistantly arranged on the detected material of optoelectronic switch, the Y-direction spacing of adjacent light passage is greater than the Y-direction distance of two groups of optoelectronic switch emission light beams, the Y-direction width that is positioned at the optical channel A of an end equals the Y-direction distance of two groups of optoelectronic switch emission light beams, when two groups of optoelectronic switch emission light beams pass optical channel A simultaneously, this position be the Y-direction zero-base on schedule, two groups of optoelectronic switches and stepper motor all electrically connect PLC, and sliding bottom is fixed on the driving-belt Y-direction limit.
When two groups of optoelectronic switches emission light beams pass optical channel A simultaneously, this position be zero-base on schedule, stepper motor drives driving wheel, the driving-belt motion drives target object and two groups of optoelectronic switches motions.In motion process, the stepper motor revolution moves a fixing angle, optoelectronic switch will change the once signal output state of feedback, the PLC control circuit then puts in place by the counting of the signal output state of optoelectronic switch feedback being judged whether the mechanical motion assembly moves, thereby whether the work of control step motor, accurately locatees with the displacement that realizes target object.
Description of drawings
Below in conjunction with accompanying drawing to further detailed explanation of the utility model:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is partial enlarged drawing among Fig. 1.
Fig. 3 is control principle figure of the present utility model.
Among the figure: 1 optoelectronic switch, 2 optoelectronic switches, 3 detected materials, 4 engaged wheels, 5 driving-belts, 6 driving wheels, 7 PLC, 8 step actuators, 9 stepper motors, 10 optical channel A.
Embodiment
As shown in Figure 1 to Figure 3, a kind of X-direction displacement accurate positioning device, in order to realize target object in the accurate location of X-direction, it comprises two belt wheels (engaged wheel 4 and driving wheel 6) and tight driving-belt 5 on two belt wheels, this band transmission is the opening transmission, and driving wheel is driven by stepper motor 9.Driving-belt has the X-direction limit, and two groups of optoelectronic switches (1 and 2) are fixed on the driving-belt X-direction limit.Has the optical channel that a row X-direction is equidistantly arranged on the detected material 3 of optoelectronic switch, the X-direction spacing of adjacent light passage is greater than the X-direction distance of two groups of optoelectronic switch emission light beams, the X-direction width that is positioned at the optical channel A 10 of an end equals the X-direction distance of two groups of optoelectronic switch emission light beams, when two groups of optoelectronic switch emission light beams pass optical channel A simultaneously, this position be the X-direction zero-base on schedule, two groups of optoelectronic switches and stepper motor all electrically connect PLC7, and target object is fixed on the driving-belt X-direction limit.
When two groups of optoelectronic switches emission light beams pass optical channel A simultaneously, this position be zero-base on schedule, stepper motor drives driving wheel, the driving-belt motion drives target object and two groups of optoelectronic switches motions.In motion process, the stepper motor revolution moves a fixing angle, optoelectronic switch will change the once signal output state of feedback, the PLC control circuit then puts in place by the counting of the signal output state of optoelectronic switch feedback being judged whether the mechanical motion assembly moves, thereby whether the work of control step motor (step actuator 8), accurately locatees with the displacement that realizes target object.
A kind of X-direction and Y-direction displacement accurate positioning device are in order to realize target object simultaneously in the accurate location of X-direction and Y-direction, X-direction displacement accurate positioning device and Y-direction displacement accurate positioning device;
X-direction displacement accurate positioning device comprises two belt wheels and tight driving-belt on two belt wheels, this band transmission is the opening transmission, driving wheel is driven by stepper motor, driving-belt has the X-direction limit, two groups of optoelectronic switches are fixed on the driving-belt X-direction limit, has the optical channel that a row X-direction is equidistantly arranged on the detected material of optoelectronic switch, the X-direction spacing of adjacent light passage is greater than the X-direction distance of two groups of optoelectronic switch emission light beams, the X-direction width that is positioned at the optical channel A of an end equals the X-direction distance of two groups of optoelectronic switch emission light beams, when two groups of optoelectronic switch emission light beams pass optical channel A simultaneously, this position be the X-direction zero-base on schedule, two groups of optoelectronic switches and stepper motor all electrically connect PLC, and target object is fixed on the driving-belt X-direction limit;
The integral installation of X-direction displacement accurate positioning device is on sliding bottom, and sliding bottom and Y-direction slide rail are slidingly matched;
Y-direction displacement accurate positioning device comprises two belt wheels and tight driving-belt on two belt wheels, this band transmission is the opening transmission, driving wheel is driven by stepper motor, driving-belt has the Y-direction limit, two groups of optoelectronic switches are fixed on the driving-belt Y-direction limit, has the optical channel that a row Y-direction is equidistantly arranged on the detected material of optoelectronic switch, the Y-direction spacing of adjacent light passage is greater than the Y-direction distance of two groups of optoelectronic switch emission light beams, the Y-direction width that is positioned at the optical channel A of an end equals the Y-direction distance of two groups of optoelectronic switch emission light beams, when two groups of optoelectronic switch emission light beams pass optical channel A simultaneously, this position be the Y-direction zero-base on schedule, two groups of optoelectronic switches and stepper motor all electrically connect PLC, and sliding bottom is fixed on the driving-belt Y-direction limit.
Above-mentioned X-direction and Y-direction displacement accurate positioning device are applied to enzyme exempt from the workstation, accurately locate to realize sample arm X-direction and Y-direction displacement, concrete structure is as follows:
A kind of enzyme is exempted from sample arm accurate positioning device in the workstation, in order to realize sample arm simultaneously in the accurate location of X-direction and Y-direction, X-direction displacement accurate positioning device and Y-direction displacement accurate positioning device;
X-direction displacement accurate positioning device comprises two belt wheels and tight driving-belt on two belt wheels, this band transmission is the opening transmission, driving wheel is driven by stepper motor, driving-belt has the X-direction limit, two groups of optoelectronic switches are fixed on the driving-belt X-direction limit, has the optical channel that a row X-direction is equidistantly arranged on the detected material of optoelectronic switch, the X-direction spacing of adjacent light passage is greater than the X-direction distance of two groups of optoelectronic switch emission light beams, the X-direction width that is positioned at the optical channel A of an end equals the X-direction distance of two groups of optoelectronic switch emission light beams, when two groups of optoelectronic switch emission light beams pass optical channel A simultaneously, this position be the X-direction zero-base on schedule, two groups of optoelectronic switches and stepper motor all electrically connect PLC, and sample arm is fixed on the driving-belt X-direction limit;
The integral installation of X-direction displacement accurate positioning device is on sliding bottom, and sliding bottom and Y-direction slide rail are slidingly matched;
Y-direction displacement accurate positioning device comprises two belt wheels and tight driving-belt on two belt wheels, this band transmission is the opening transmission, driving wheel is driven by stepper motor, driving-belt has the Y-direction limit, two groups of optoelectronic switches are fixed on the driving-belt Y-direction limit, has the optical channel that a row Y-direction is equidistantly arranged on the detected material of optoelectronic switch, the Y-direction spacing of adjacent light passage is greater than the Y-direction distance of two groups of optoelectronic switch emission light beams, the Y-direction width that is positioned at the optical channel A of an end equals the Y-direction distance of two groups of optoelectronic switch emission light beams, when two groups of optoelectronic switch emission light beams pass optical channel A simultaneously, this position be the Y-direction zero-base on schedule, two groups of optoelectronic switches and stepper motor all electrically connect PLC, and sliding bottom is fixed on the driving-belt Y-direction limit.
Enzyme is exempted from the workstation sample arm and is all utilized the belt transmission mode in the motion of X-direction and Y-direction, converts the angular displacement of stepper motor to displacement of the lines.Optoelectronic switch is installed on the belt, makes it to realize displacement of the lines with the rotation of stepper motor.The detected material of optoelectronic switch is installed in the belt below, two groups of optoelectronic switches can be moved by friction free on detected material.Utilize PLC to come the motion of control step driver and motor, utilize optoelectronic switch that the motion of stepper motor is fed back, when optoelectronic switch was blocked, feedback loop output signal was 0, and when optoelectronic switch was not blocked, feedback loop output signal was 1.
When two groups of optoelectronic switches ran to detected material one end optical channel A, optoelectronic switch A, B feedback states were (1,1), this point can be made as zero point.
When optoelectronic switch during at other regional movement, two groups of optoelectronic switches have three kinds of feedback states:
(1) blocks entirely, be (0,0).
(2) A is blocked, and B is not blocked, and is (0,1).
(3) A is not blocked, and B is blocked, and is (1,0).
Be (1,0)-(0,0)-(0,1)-(0,0) transformation period of the feedback signal that two groups of optoelectronic switches move at detected material.
On the positioning system feedback signal, take the feedback signal of (1,0) state effective, (0,0) and (0,1) feedback signal is invalid.On the stepper motor motion positions, take relative zero, the counting of the feedback signal of PLC (1,0) state is handled.So in the stepper motor motion positions, can be arranged on the count value of target location among the PLC, after action command is sent, the stepper motor operation, PLC begins the feedback signal of photoelectric sensor group is counted simultaneously, full when count value, PLC closes the operation of stepper drive and motor, thereby makes the motion assembly arrive assigned address.
The utility model creates that to have a cost low, realizes simply, walks accurately, debugs advantage easily.
Claims (3)
1. X-direction displacement accurate positioning device, in order to realize that target object is in the accurate location of X-direction, it is characterized in that: comprise two belt wheels and tight driving-belt on two belt wheels, this band transmission is the opening transmission, driving wheel is driven by stepper motor, driving-belt has the X-direction limit, two groups of optoelectronic switches are fixed on the driving-belt X-direction limit, has the optical channel that a row X-direction is equidistantly arranged on the detected material of optoelectronic switch, the X-direction spacing of adjacent light passage is greater than the X-direction distance of two groups of optoelectronic switch emission light beams, the X-direction width that is positioned at the optical channel A of an end equals the X-direction distance of two groups of optoelectronic switch emission light beams, when two groups of optoelectronic switch emission light beams pass optical channel A simultaneously, this position be the X-direction zero-base on schedule, two groups of optoelectronic switches and stepper motor all electrically connect PLC, target object is fixed on the driving-belt X-direction limit.
2. an X-direction and Y-direction displacement accurate positioning device are in order to realize that simultaneously target object in the accurate location of X-direction and Y-direction, is characterized in that: comprise X-direction displacement accurate positioning device and Y-direction displacement accurate positioning device;
X-direction displacement accurate positioning device comprises two belt wheels and tight driving-belt on two belt wheels, this band transmission is the opening transmission, driving wheel is driven by stepper motor, driving-belt has the X-direction limit, two groups of optoelectronic switches are fixed on the driving-belt X-direction limit, has the optical channel that a row X-direction is equidistantly arranged on the detected material of optoelectronic switch, the X-direction spacing of adjacent light passage is greater than the X-direction distance of two groups of optoelectronic switch emission light beams, the X-direction width that is positioned at the optical channel A of an end equals the X-direction distance of two groups of optoelectronic switch emission light beams, when two groups of optoelectronic switch emission light beams pass optical channel A simultaneously, this position be the X-direction zero-base on schedule, two groups of optoelectronic switches and stepper motor all electrically connect PLC, and target object is fixed on the driving-belt X-direction limit;
The integral installation of X-direction displacement accurate positioning device is on sliding bottom, and sliding bottom and Y-direction slide rail are slidingly matched;
Y-direction displacement accurate positioning device comprises two belt wheels and tight driving-belt on two belt wheels, this band transmission is the opening transmission, driving wheel is driven by stepper motor, driving-belt has the Y-direction limit, two groups of optoelectronic switches are fixed on the driving-belt Y-direction limit, has the optical channel that a row Y-direction is equidistantly arranged on the detected material of optoelectronic switch, the Y-direction spacing of adjacent light passage is greater than the Y-direction distance of two groups of optoelectronic switch emission light beams, the Y-direction width that is positioned at the optical channel A of an end equals the Y-direction distance of two groups of optoelectronic switch emission light beams, when two groups of optoelectronic switch emission light beams pass optical channel A simultaneously, this position be the Y-direction zero-base on schedule, two groups of optoelectronic switches and stepper motor all electrically connect PLC, and sliding bottom is fixed on the driving-belt Y-direction limit.
3. an enzyme is exempted from sample arm accurate positioning device in the workstation, in order to realize that simultaneously sample arm in the accurate location of X-direction and Y-direction, is characterized in that: comprise X-direction displacement accurate positioning device and Y-direction displacement accurate positioning device;
X-direction displacement accurate positioning device comprises two belt wheels and tight driving-belt on two belt wheels, this band transmission is the opening transmission, driving wheel is driven by stepper motor, driving-belt has the X-direction limit, two groups of optoelectronic switches are fixed on the driving-belt X-direction limit, has the optical channel that a row X-direction is equidistantly arranged on the detected material of optoelectronic switch, the X-direction spacing of adjacent light passage is greater than the X-direction distance of two groups of optoelectronic switch emission light beams, the X-direction width that is positioned at the optical channel A of an end equals the X-direction distance of two groups of optoelectronic switch emission light beams, when two groups of optoelectronic switch emission light beams pass optical channel A simultaneously, this position be the X-direction zero-base on schedule, two groups of optoelectronic switches and stepper motor all electrically connect PLC, and sample arm is fixed on the driving-belt X-direction limit;
The integral installation of X-direction displacement accurate positioning device is on sliding bottom, and sliding bottom and Y-direction slide rail are slidingly matched;
Y-direction displacement accurate positioning device comprises two belt wheels and tight driving-belt on two belt wheels, this band transmission is the opening transmission, driving wheel is driven by stepper motor, driving-belt has the Y-direction limit, two groups of optoelectronic switches are fixed on the driving-belt Y-direction limit, has the optical channel that a row Y-direction is equidistantly arranged on the detected material of optoelectronic switch, the Y-direction spacing of adjacent light passage is greater than the Y-direction distance of two groups of optoelectronic switch emission light beams, the Y-direction width that is positioned at the optical channel A of an end equals the Y-direction distance of two groups of optoelectronic switch emission light beams, when two groups of optoelectronic switch emission light beams pass optical channel A simultaneously, this position be the Y-direction zero-base on schedule, two groups of optoelectronic switches and stepper motor all electrically connect PLC, and sliding bottom is fixed on the driving-belt Y-direction limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320143714 CN203133562U (en) | 2013-03-27 | 2013-03-27 | Accurate displacement positioning device and accurate position device for sample feeding arm in enzyme-immunity work station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320143714 CN203133562U (en) | 2013-03-27 | 2013-03-27 | Accurate displacement positioning device and accurate position device for sample feeding arm in enzyme-immunity work station |
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| Publication Number | Publication Date |
|---|---|
| CN203133562U true CN203133562U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320143714 Withdrawn - After Issue CN203133562U (en) | 2013-03-27 | 2013-03-27 | Accurate displacement positioning device and accurate position device for sample feeding arm in enzyme-immunity work station |
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| Country | Link |
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| CN (1) | CN203133562U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149876A (en) * | 2013-03-27 | 2013-06-12 | 山东博科生物产业有限公司 | Displacement accurately positioning device and sampling arm accurately positioning device applied to ELISA (enzyme-linked immunosorbent assay) workstation |
-
2013
- 2013-03-27 CN CN 201320143714 patent/CN203133562U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149876A (en) * | 2013-03-27 | 2013-06-12 | 山东博科生物产业有限公司 | Displacement accurately positioning device and sampling arm accurately positioning device applied to ELISA (enzyme-linked immunosorbent assay) workstation |
| CN103149876B (en) * | 2013-03-27 | 2014-12-31 | 山东博科生物产业有限公司 | Displacement accurately positioning device and sampling arm accurately positioning device applied to ELISA (enzyme-linked immunosorbent assay) workstation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20141231 |
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| RGAV | Abandon patent right to avoid regrant |