CN106774448B - A kind of automatic level adjusting device - Google Patents
A kind of automatic level adjusting device Download PDFInfo
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- CN106774448B CN106774448B CN201611245760.4A CN201611245760A CN106774448B CN 106774448 B CN106774448 B CN 106774448B CN 201611245760 A CN201611245760 A CN 201611245760A CN 106774448 B CN106774448 B CN 106774448B
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- test panel
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- inclination
- height adjustment
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
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Abstract
The invention discloses a kind of automatic level adjusting devices, including rack, the first test panel, level(l)ing mechanism, switch of inclination and PLC control unit；Level(l)ing mechanism is located at the bottom of the first test panel, is fixedly attached to several supporting points of the first test panel bottom surface, for carrying out height adjustment to each supporting point；Switch of inclination is installed on the first test panel, for the first test panel of real-time monitoring heeling condition information and be sent to PLC control unit；PLC control unit is used for the heeling condition information fed back according to switch of inclination, controls the level(l)ing mechanism and carries out height adjustment, until first test panel restores to horizontality.Automatic horizontal adjusting is not only realized in automatic level adjusting device provided in an embodiment of the present invention, it overcomes and manually adjusts the high defect of existing adjusting difficulty, and ensure that the accuracy of adjusting, reliable basis has been established for horizontal checkout, has improved the accuracy rate of test result.
Description
Technical field
The present invention relates to communication apparatus the field of test technology more particularly to a kind of automatic level adjusting devices.
Background technique
In the production and manufacturing process of the communication apparatus such as mobile phone, PAD, it can all need to carry out a series of test, such as water
Flat gravity sensing test, 45 degree of gravity sensing tests etc., need the moment that test job face is kept to be in horizontality in test,
Otherwise validity test can not be carried out.However, in general, because station can not be fixed on production line, so that test panel meeting
Often it moves, staff generally by manually adjusting to horizontality, exists adjust difficulty height and adjusting accuracy rate in this way
Low defect, not can guarantee the accuracy of test result, thus how to automatically adjust test panel so that its keep horizontality,
It is current urgent problem.
Summary of the invention
The purpose of the present invention is to provide a kind of automatic level adjusting device, can automatically adjust to test panel so that
Its moment is in horizontality, guarantees the accuracy of test result.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of automatic level adjusting device, including rack, further includes: the first test panel, horizontal tune in rack
Save mechanism, switch of inclination and PLC control unit；
The level(l)ing mechanism is located at the bottom of the first test panel, if being fixedly attached to the first test panel bottom surface
Dry supporting point, for carrying out height adjustment to each supporting point；
The switch of inclination is installed on the first test panel, and the heeling condition for the first test panel of real-time monitoring is believed
It ceases and is sent to PLC control unit；
The PLC control unit is separately connected with level(l)ing mechanism, switch of inclination, for what is fed back according to switch of inclination
Heeling condition information controls the level(l)ing mechanism and carries out height adjustment, until first test panel restores to level
State.
Optionally, also fixation is installed with the second test panel on the top surface of first test panel, second test surfaces
Plate and the first test panel are in 45 degree of inclination angles.
Optionally, at least one position-limit mechanism is additionally provided on second test panel.
Optionally, on first test panel, using its central point as origin, a plane right-angle coordinate is formed；
The bottom surface of first test panel is set there are three supporting point；Wherein, the first supporting point is located at the first test panel
Center position, the second supporting point is located on the X-axis line of plane right-angle coordinate, and third supporting point is located at plane rectangular coordinates
On the Y-axis line of system.
Optionally, the level(l)ing mechanism includes: the first support plate being fixed in rack, and is fixed on first
Two height adjustment mechanisms and a fixed support portion on fagging；
Two height adjustment mechanisms are connect with the PLC control unit respectively；
The top of the fixed support portion is fixedly attached to the first supporting point, and the top of a height adjustment mechanism is fixedly connected
To the second supporting point, the top of another height adjustment mechanism is fixedly attached to third supporting point.
Optionally, the fixed support portion includes the pedestal for being fixed on first support plate and the branch being fixed on pedestal
The top of strut, the support rod is equipped with floating junction.
Optionally, two height adjustment mechanism respectively include: fixed bracket, driving mechanism, linkage mechanism and movement
Mechanism；The fixed bracket is fixed on first support plate, and the driving mechanism is fixed on fixed bracket, and passes through linkage
Mechanism is connect with movement mechanism, and driving movement mechanism does straight line back and forth movement in the vertical direction.
Optionally, the fixed bracket, including horizontal part and vertical portion；The vertical portion and horizontal part be vertically arranged and incite somebody to action
Horizontal part is divided into two side areas；The side of the horizontal part is equipped with the first sliding rail, and the vertical portion is equipped with the second sliding rail；
The driving mechanism, including stepper motor and screw rod, universal joint；The stepper motor by PLC control unit into
Row control, is fixed at the other side of horizontal part, connects the screw rod by universal joint thereon, which is in a horizontal state
And pass through the side region that vertical portion enters horizontal part；
The bottom of the movement mechanism, including erect mast, the erect mast is fixedly connected on linkage mechanism；
The linkage mechanism, comprising: the first sliding block, the second sliding block and the joining beam being connected between two sliding blocks；First is sliding
Block be arranged on screw rod and with the first sliding rail cooperate slide, the second sliding block and the second sliding rail cooperation slide and simultaneously with movement mechanism
Erect mast bottom be fixedly connected；
When stepper motor works, screw rod rotates and the first sliding block is driven to slide along the first sliding rail；At the same time, the first sliding block
The second sliding block is driven to slide up and down along the second sliding rail by joining beam, under the drive of the second sliding block on the erect mast of movement mechanism
Lower movement.
Optionally, the movement mechanism further includes the floating junction for being fixed at erect mast top.
It optionally, further include the second support plate being fixed in rack, the PLC control unit is installed in the second support
Plate.
Beneficial effects of the present invention:
In automatic level adjusting device provided in an embodiment of the present invention, switch of inclination can real-time detection test panel level
State carries out Level tune by PLC control unit controlled level regulating mechanism when being in heeling condition, so that test surfaces
The plate moment is maintained at horizontality, not only realizes automatic horizontal adjusting, and it is high to overcome adjusting difficulty existing for manually adjusting
Defect, and ensure that the accuracy of adjusting, reliable basis has been established for horizontal checkout, has improved the accuracy rate of test result.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is the overall structure view of automatic level adjusting device provided in an embodiment of the present invention；
Fig. 2 is the internal structure view of automatic level adjusting device provided in an embodiment of the present invention；
Fig. 3 is the distribution schematic diagram of each supporting point provided in an embodiment of the present invention；
Fig. 4 is the stereochemical structure view of height adjustment mechanism provided in an embodiment of the present invention；
Illustrate: rack 1, the first test panel 2, the second test panel 3, the first support plate 4, height adjustment mechanism 5,
Fixed support portion 6, the second support plate 7, position-limit mechanism 31, the first supporting point 21, the second supporting point 22, third supporting point 23, water
Flat portion 511, the first sliding rail 513, the second sliding rail 514, stepper motor 521, screw rod 522, universal joint 523, is erected at vertical portion 512
Straight-bar body 531, floating junction 532, the first sliding block 541, the second sliding block 542, joining beam 543.
Specific embodiment
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
Those of ordinary skill's all other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
The core idea of the invention is as follows: by the mating reaction of switch of inclination and height adjustment mechanism, to realize to test
The auto-adjustment control of panel, so that the test panel moment is in horizontality, to guarantee the accuracy of test.
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment one
Fig. 1 and Fig. 2 are please referred to, Fig. 1 and Fig. 2 are respectively the entirety of automatic level adjusting device provided in an embodiment of the present invention
Topology view and internal structure view.
In the present embodiment, automatic level adjusting device includes rack 1, the first test panel 2, the water being installed in rack 1
Flat regulating mechanism, switch of inclination and PLC control unit (not shown).
First test panel 2 is located at the top of rack 1, is controlled, is kept by level(l)ing mechanism by PLC control unit
Horizontality carries out every test (such as horizontal gravity test) under horizontality for subtest object.
The upper surface of first test panel 2 is also fixed to be installed with the second test panel 3, and the second test panel 3 and first is surveyed
Trying panel is in 45 degree of inclination angles, carries out every test under 45 degree of angled states (under such as heeling condition for subtest object
Gravity test).
Second test panel 3 is equipped at least one position-limit mechanism 31, which is used to carry out test object
Limit prevents test object and glides because panel tilts, guarantees the accuracy of test.
Position-limit mechanism 31 is specially L-type structure, and both sides form 90 degree of angles compatible with test object, so that
Two sides are inconsistent with test object respectively, prevent its downslide.
In general, the second test panel 3 is fixed at the first survey less than the first test panel 2, and in the second test panel 3
After trying on panel 2, the space placed for test object can be also reserved on the first test panel 2, to facilitate while to difference
Test object carries out testing under test and heeling condition under horizontality respectively, improves testing efficiency.
Since three points being not arranged on the same straight line can determine a plane, thus, as shown in figure 3, the present embodiment
Three supporting points are distributed in the lower surface of the first test panel 2, and this three supporting points are not arranged on the same straight line, supplied water
Flat regulating mechanism connection makes the first test panel 2 reach horizontal by level(l)ing mechanism by adjusting this 3 points height
State.
Preferably, on the first test panel 2, using its central point as origin, a plane right-angle coordinate is formed.Meanwhile
In three supporting points being arranged on first test panel 2, the first supporting point 21 is located at the center position of the first test panel 2,
Second supporting point 22 is located on the X-axis line of plane right-angle coordinate, and third supporting point 23 is located at the Y-axis line of plane right-angle coordinate
On.
Correspondingly, level(l)ing mechanism specifically includes: being fixed on first support plate 4 at the middle part of rack 1, and be fixed on the
Two height adjustment mechanisms 5 and fixed support portion 6 in one support plate 4；First support plate 4 is supported three.Fixed branch
The top of support part 6 is fixedly attached to the first supporting point 21 of the first test panel 2, and the top of a height adjustment mechanism 5 is fixed to be connected
It is connected to the second supporting point 22 of the first test panel 2, the top of another height adjustment mechanism 5 is fixedly attached to the first test panel
2 third supporting point 23.Wherein, fixed support portion 6 is by being fixed on the pedestal of the first support plate 4 and the support being fixed on pedestal
Bar composition, height are unadjustable；Both heights regulating mechanism 5 it is height-adjustable, be electrically connected respectively with PLC control unit, by
PLC control unit is controlled.
It is also fixedly installed with switch of inclination (not shown) on first test panel 2, the switch of inclination and PLC control are single
Member communication connection, for the first test panel of real-time detection 2 tilt angle information and to send this information to PLC control single
Member.In the present embodiment, switch of inclination is located at the lower surface of the first test panel 2.
PLC control unit is electrically connected, for according to switch of inclination with switch of inclination, both heights regulating mechanism 5
Detection information judges the heeling condition of the first test panel 2, carries out height adjustment control to both heights regulating mechanism 5 automatically, makes
It obtains the first test panel 2 and restores horizontality.
It is designed based on the above-mentioned distribution to three supporting points and the composition of level(l)ing mechanism, the present embodiment uses only
Two height adjustment mechanisms 5 can be most compared with using three height adjustment mechanisms or other supporting points distribution design scheme
The calculation procedure for optimizing to big degree PLC control unit, reduces the calculation amount during entire Level tune, adjusting of improving the standard
Efficiency and precision.
For convenience of maintenance, PLC control unit is installed in the second support plate 7, and the second support plate 7 is fixed in rack 1,
And it is located at the lower section of the first support plate 4.
The Level tune process of above-mentioned automatic level adjusting device specifically:
1, it is installed on the tilt angle of the first test panel of switch of inclination real-time detection 2 on the first test panel 2, and will
The information is sent to PLC control unit.
2, PLC control unit according to the transmission information of switch of inclination, adjust by the first height adjustment mechanism of control 5 and the second height
It saves mechanism 5 and carries out corresponding height adjusting, so that the second supporting point 22 and third supporting point 23 move up and down, until switch of inclination is examined
The first test panel 2 is measured to restore to horizontality.
To sum up, the present embodiment monitors the horizontality of the first test panel 2 in real time by switch of inclination, is controlled by PLC
Unit carrys out the work of controlled level regulating mechanism, so that 2 moment of the first test panel is maintained at horizontality, overcomes manually
Adjust the defect that existing difficulty is high, accuracy rate is low.
Embodiment two
Referring to Fig. 4, Fig. 4 show the perspective view of the height adjustment mechanism 5 of the present embodiment.
In the present embodiment, 5 structure of both heights regulating mechanism is identical, all includes: fixed bracket, driving mechanism, linkage mechanism
And movement mechanism, driving mechanism are fixed on fixed bracket, and are connect by linkage mechanism with movement mechanism, and fitness machine is driven
Structure does straight line back and forth movement in the vertical direction.
Fixed bracket for being supported to other unit mechanisms, including horizontal part 511 and vertical with horizontal part 511 is set
Horizontal part 511 is divided into two side areas by the vertical portion 512 set, vertical portion 512.The side of horizontal part 511 is equipped with the first sliding rail
513, vertical portion 512 is equipped with the second sliding rail 514.
Driving mechanism, for realizing driving function, including stepper motor 521 and screw rod 522, universal joint 523, stepping electricity
Machine 521 is controlled by PLC control unit, is fixed at the other side of horizontal part 511, is connected thereon by universal joint 523
Screw rod 522 is connect, which is in a horizontal state and passes through the side region that vertical portion 512 enters horizontal part 511.
Movement mechanism, for being driven by linkage mechanism to realize the straight line back and forth movement on vertical direction comprising vertical
The body of rod 531 and the floating junction 532 for being fixed at 531 top of erect mast, the bottom of erect mast 531 is fixedly connected on connection
Motivation structure, floating junction 532 is for being fixedly attached to supporting point.
Linkage mechanism, for realizing linkage function comprising: the first sliding block 541 and is connected to two at second sliding block 542
Joining beam 543 between sliding block.First sliding block 541, which is arranged, cooperates sliding, the second sliding block on screw rod 522 and with the first sliding rail 513
542 cooperate sliding with the second sliding rail 514 and are fixedly connected simultaneously with 531 bottom of the erect mast of movement mechanism.
The working principle of above-mentioned height adjustment mechanism 5 are as follows: stepper motor 521 works, and drives screw rod 522 to rotate, screw rod 522
The first sliding block 541 is driven to slide along the first sliding rail 513；At the same time, the first sliding block 541 drives the second sliding block by joining beam 543
542 slide up and down along the second sliding rail 514, and the erect mast 531 of movement mechanism moves up and down under the drive of the second sliding block 542,
To carry out height adjustment to its supporting point.
When stepper motor 521 stops working, screw rod 522 stops rotating, so that linkage mechanism and movement mechanism stop
Movement, is based on above structure, screw rod 522, joining beam 543 and support bracket fastened vertical portion 512 at this time, and it is firm that three forms one
Triangular form.Due to being the inherent characteristic of triangular form compared with stiff stability, so in the present embodiment after screw rod stops rotating, this triangle
Type is equivalent to a locking mechanism, locks to movement mechanism, so that the height of supporting point remains unchanged.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (6)
1. a kind of automatic level adjusting device, including rack, which is characterized in that further include: the first test surfaces in rack
Plate, level(l)ing mechanism, switch of inclination and PLC control unit；
The level(l)ing mechanism is located at the bottom of the first test panel, is fixedly attached to several of the first test panel bottom surface
Supporting point, for carrying out height adjustment to each supporting point；
The switch of inclination is installed on the first test panel, and the heeling condition information for the first test panel of real-time monitoring is simultaneously
It is sent to PLC control unit；
The PLC control unit is separately connected with level(l)ing mechanism, switch of inclination, the inclination for being fed back according to switch of inclination
Status information controls the level(l)ing mechanism and carries out height adjustment, until first test panel restores to horizontality；
On first test panel, using its central point as origin, a plane right-angle coordinate is formed；
The bottom surface of first test panel is set there are three supporting point；Wherein, the first supporting point is located in the first test panel
Heart point position, the second supporting point are located on the X-axis line of plane right-angle coordinate, and third supporting point is located at plane right-angle coordinate
On Y-axis line；
The level(l)ing mechanism includes: the first support plate being fixed in rack, and two be fixed in the first support plate
A height adjustment mechanism and a fixed support portion；
Two height adjustment mechanisms are connect with the PLC control unit respectively；
The top of the fixed support portion is fixedly attached to the first supporting point, and the top of a height adjustment mechanism is fixedly attached to
Two supporting points, the top of another height adjustment mechanism are fixedly attached to third supporting point；
Two height adjustment mechanisms respectively include: fixed bracket, driving mechanism, linkage mechanism and movement mechanism；It is described solid
Fixed rack is fixed on first support plate, and the driving mechanism is fixed on fixed bracket, and passes through linkage mechanism and movement
Mechanism connection, driving movement mechanism do straight line back and forth movement in the vertical direction；
The fixed bracket, including horizontal part and vertical portion；The vertical portion is vertically arranged with horizontal part and divides horizontal part
For two side areas；The side of the horizontal part is equipped with the first sliding rail, and the vertical portion is equipped with the second sliding rail；
The driving mechanism, including stepper motor and screw rod, universal joint；The stepper motor is controlled by PLC control unit
System, is fixed at the other side of horizontal part, connects the screw rod by universal joint thereon, which is in a horizontal state and wears
Cross the side region that vertical portion enters horizontal part；
The bottom of the movement mechanism, including erect mast, the erect mast is fixedly connected on linkage mechanism；
The linkage mechanism, comprising: the first sliding block, the second sliding block and the joining beam being connected between two sliding blocks；First slide block set
It is slided on screw rod and with the cooperation sliding of the first sliding rail, the second sliding block and the cooperation of the second sliding rail and perpendicular with movement mechanism simultaneously
Straight post is fixedly connected；
When stepper motor works, screw rod rotates and the first sliding block is driven to slide along the first sliding rail；At the same time, the first sliding block passes through
Joining beam drives the second sliding block to slide up and down along the second sliding rail, transports above and below the erect mast of movement mechanism under the drive of the second sliding block
It is dynamic.
2. automatic level adjusting device according to claim 1, which is characterized in that on the top surface of first test panel
Also fixation is installed with the second test panel, and second test panel and the first test panel are in 45 degree of inclination angles.
3. automatic level adjusting device according to claim 2, which is characterized in that be additionally provided on second test panel
At least one position-limit mechanism.
4. automatic level adjusting device according to claim 1, which is characterized in that the fixed support portion includes being fixed on
The top of the pedestal of first support plate and the support rod being fixed on pedestal, the support rod is equipped with floating junction.
5. automatic level adjusting device according to claim 1, which is characterized in that the movement mechanism further includes fixed dress
Floating junction set on erect mast top.
6. automatic level adjusting device according to claim 1, which is characterized in that further include second be fixed in rack
Support plate, the PLC control unit are installed in the second support plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611245760.4A CN106774448B (en) | 2016-12-29 | 2016-12-29 | A kind of automatic level adjusting device |
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|---|---|---|---|
| CN201611245760.4A CN106774448B (en) | 2016-12-29 | 2016-12-29 | A kind of automatic level adjusting device |
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| CN106774448B true CN106774448B (en) | 2019-09-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107799044A (en) * | 2017-12-11 | 2018-03-13 | 苏州广林达电子科技有限公司 | The soft screen TP tools of OLED |
| CN109508045B (en) * | 2018-12-17 | 2021-09-10 | 中国航空工业集团公司北京航空精密机械研究所 | PLC-based sleeve position accurate adjustment control method and device |
| CN109775605B (en) * | 2019-01-10 | 2023-06-20 | 深圳市柏英特电子科技有限公司 | Novel lifting mechanism |
| CN110261785B (en) * | 2019-06-26 | 2024-02-13 | 福建星云电子股份有限公司 | Automatic test is to inserting device |
| CN112033664B (en) * | 2020-09-26 | 2024-07-23 | 邵阳学院 | Method for testing influence rule of basin inclined plane angle on faucet induction |
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