CN112066918A - Detect equipment of product plane coplane degree - Google Patents
Detect equipment of product plane coplane degree Download PDFInfo
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- CN112066918A CN112066918A CN202011136642.6A CN202011136642A CN112066918A CN 112066918 A CN112066918 A CN 112066918A CN 202011136642 A CN202011136642 A CN 202011136642A CN 112066918 A CN112066918 A CN 112066918A
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- fixedly connected
- motor
- screw rod
- light source
- screw
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
Abstract
The invention provides equipment for detecting the coplanarity of product planes, and relates to the field of coplanarity measurement. This detect equipment of product plane coplane degree, the on-line screen storage device comprises a base, one side upper portion fixedly connected with side of base supports, the lower part that the side supported slides and is provided with the light source box, the upper portion lateral wall fixedly connected with braced frame that the side supported, braced frame's both sides are provided with first screw rod and first feed rod respectively, the second screw rod is provided with first slider, first feed rod is provided with the second slider, all be provided with second feed rod and third screw rod on first slider and the second slider, second feed rod and third screw rod run through and are provided with supporting platform, supporting platform's lower extreme fixedly connected with laser range unit. The two modes are matched for use, the measuring speed is improved, and the measuring precision is improved.
Description
Technical Field
The invention relates to the field of coplanarity measurement, in particular to equipment for detecting the coplanarity of product planes.
Background
Coplanarity, also called flatness, means that when some things are machined or produced, the surface is not absolutely flat, and the difference between the flatness and the absolute level is as small as possible.
Most of the existing flatness measuring devices are carried out in a scanning mode, and the detection speed is related to the scanning width, the scanning speed and the surface area of a workpiece. At the same time, the human eye cannot intervene in the observation.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides equipment for detecting the coplanarity of product planes, which solves the problems of low scanning speed and unobtrusiveness of the existing device.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the device for detecting the coplanarity of the product plane comprises a base, wherein the upper part of one side of the base is fixedly connected with a side support, the lower part of the side support is provided with a light source box in a sliding way, the two sides of the inner part of the base and the side support are fixedly connected with a first motor, the first motor extends upwards and penetrates through the base to be provided with a first screw rod, the first screw rod penetrates through the light source box and is in threaded connection with the light source box, the side wall of the upper part of the side support is fixedly connected with a support frame, the two sides of the support frame are respectively provided with a first screw rod and a first feed rod, the second screw rod is provided with a first slide block, the first feed rod is provided with a second slide block, the first slide block and the second slide block are both provided with a second feed rod and a third screw rod, and the second feed rod and the third screw penetrate through the supporting platform, and the lower end of the supporting platform is fixedly connected with a laser ranging device.
Preferably, the other side fixedly connected with second motor of base, the one end of second motor just is close to the collateral branch and supports the extension and be provided with the pivot, be provided with the conveyer belt in the pivot.
Preferably, the light source box comprises a shell, a lamp tube is fixedly connected inside the shell, a baffle is fixedly connected inside the shell and on one side of the lamp tube, and a glass window is arranged on the side wall of the shell and close to the baffle.
Preferably, the baffle is evenly provided with through holes.
Preferably, the inner wall of the side support is fixedly connected with a third motor, a motor shaft of the third electrode is fixedly connected with a second screw rod, the side wall of the first sliding block is fixedly connected with a fourth motor, and the motor shaft of the fourth motor is fixedly connected with the third screw rod.
Preferably, the second screw rod is in threaded connection with the first sliding block, and the third screw rod is in threaded connection with the supporting platform.
Preferably, the side wall of the upper part of the side support is fixedly connected with a support rod, and the other end of the support rod is fixedly connected with the lower end of the support frame.
Preferably, the method for detecting the coplanarity of the product planes comprises the following steps:
1, using a light source box, starting a second motor, sending a workpiece to be detected to a detection position through a conveyor belt, electrifying a lamp tube in the light source box, sending the workpiece to be detected from a glass window 24 in a light beam mode through a baffle, starting a first motor, rotating a first screw rod, and adjusting the height of the light source box to enable light to be displayed on the surface of the workpiece to be detected;
2 calculating coplanarity by ranging, starting a third motor, rotating a second screw rod, sliding a first sliding block, starting a fourth motor, rotating the third screw rod, sliding a supporting platform, and linking the third motor and the fourth motor, so that the laser ranging device can measure the distance from any position on the surface of the workpiece to be measured to the laser ranging device, acquiring the distance L between the laser ranging device and the surface of the workpiece by adopting a equidistance mode in the same direction, calculating an incremental value delta,
Δ1＝L2-L1；
calculate each delta, and calculate
Will exceed
Twice as muchThe delta value is regarded as an invalid value, deleted and recalculated
Finally calculating the true value L' of the L value relative to the horizontal plane,
l'MaxAnd L'MinAnd (5) calculating the difference to obtain a specific value of the flatness.
(III) advantageous effects
The invention provides a device for detecting the coplanarity of product planes. The method has the following beneficial effects:
1. according to the invention, through the use of the light source box, the convex and concave positions of the surface of the workpiece can be determined, so that the concave and convex positions of the surface of the workpiece are displayed, the observation is convenient, the height of the convex is roughly calculated, although the specific value of the surface of the workpiece cannot be determined, the measurement path can be planned for the laser distance measuring device according to the convex and concave positions, and therefore, the coplanarity of the workpiece is accurately measured, and the measurement speed is improved.
2. According to the invention, data obtained by laser ranging is further processed, so that the influence on coplanarity measurement when a workpiece is obliquely placed is eliminated, and the precision is improved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a partial side cross-sectional view of a light source box of the present invention;
FIG. 4 is a schematic view of a baffle of the present invention;
FIG. 5 is a schematic view of a light source box of the present invention for measuring a workpiece.
Wherein, 1, a base; 2. side support; 3. a first motor; 4. a first screw; 5. a light source box; 6. a conveyor belt; 7. a rotating shaft; 8. a second motor; 9. a support frame; 10. a laser ranging device; 11. a support bar; 12. a third motor; 13. a second screw; 14. a fourth motor; 15. a first slider; 16. a first light bar; 17. a second light bar; 18. a second slider; 19. a third screw; 20. a support platform; 21. a housing; 22. a lamp tube; 23. a baffle plate; 24. a glass window; 25. and a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1-4, an embodiment of the present invention provides an apparatus for detecting a coplanarity of product planes, including a base 1, a side support 2 fixedly connected to an upper portion of one side of the base 1, a light source box 5 slidably disposed on a lower portion of the side support 2, a first motor 3 fixedly connected to both sides of the side support 2 inside the base 1, a first screw 4 extending upward and penetrating through the base 1 and disposed on the first motor 3, the first screw 4 penetrating through the light source box 5 and threadedly connected to the light source box 5, a support frame 9 fixedly connected to an upper side wall of the side support 2, a first screw 13 and a first screw 16 disposed on both sides of the support frame 9, a first slider 15 disposed on the second screw 13, a second slider 18 disposed on the first screw 16, a second screw 17 and a third screw 19 disposed on both the first slider 15 and the second slider 18, and a support platform 20 disposed on both sides of the second screw 17 and the third screw 19, the lower end of the supporting platform 20 is fixedly connected with the laser ranging device 10.
A second motor 8 is fixedly connected to the other side of the base 1, a rotating shaft 7 is arranged at one end of the second motor 8 and extends close to the side support 2, a conveyor belt 6 is arranged on the rotating shaft 7, the light source box 5 comprises a shell 21, a lamp tube 22 is fixedly connected to the inside of the shell 21, a baffle plate 23 is fixedly connected to the inside of the shell 21 and one side of the lamp tube 22, a glass window 24 is arranged on the side wall of the shell 21 and close to the baffle plate 23, through holes 25 are uniformly distributed on the baffle plate 23, a third motor 12 is fixedly connected to the inner wall of the side support 2, a motor shaft of the third electrode 12 is fixedly connected with a second screw 13, a fourth motor 14 is fixedly connected to the side wall of the first slide block 15, a motor shaft of the fourth motor 14 is fixedly connected with a third screw 19, the second screw 13 is in threaded connection with the first slide block 15, the third screw 19 is in threaded connection with, the other end of the support bar 11 is fixedly connected with the lower end of the support frame 9.
Example two:
as shown in fig. 5, an embodiment of the present invention provides
A method of detecting coplanarity of product planes, comprising:
1, a light source box 5 is used, a second motor 8 is started, a workpiece to be detected is conveyed to a detection position through a conveyor belt 6, a lamp tube 22 in the light source box 5 is electrified and is emitted from a glass window 24 in a light beam mode through a baffle plate 23, a first motor 3 is started, a first screw rod 4 rotates to adjust the height of the light source box 5, so that light can be displayed on the surface of the workpiece to be detected, if the surface of the workpiece is convex, the light is shielded, the convex height can be calculated by calculating the number of light spots with the same vertical height and combining the vertical distance of through holes 25 on the baffle plate 23 and the diameter of the through holes 25, and if the surface of the workpiece is concave, the concave position is not displayed by light lines;
2, calculating coplanarity by a distance measuring mode, starting a third motor 12, rotating a second screw rod 13, sliding a first sliding block 15, starting a fourth motor 14, rotating a third screw rod 19, sliding a supporting platform 20, and linking the third motor 12 and the fourth motor 14, so that the laser distance measuring device 10 can measure the distance from any position of the surface of the workpiece to be measured to the laser distance measuring device 10, acquiring the distance L between the laser distance measuring device 10 and the surface of the workpiece by adopting a equidistance mode in the same direction, calculating an increment value delta, and avoiding the inclination of the laser distance measuring device 10 and the surface of the workpiece by adopting the arrangement,
Δ1＝L2-L1；
calculate each delta, and calculate
Will exceed
The double delta value is regarded as an invalid value, deleted and recalculated
Finally calculating the true value L' of the L value relative to the horizontal plane,
l'MaxAnd L'MinAnd (5) calculating the difference to obtain a specific value of the flatness.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an equipment of detection product plane coplanarity, includes base (1), its characterized in that: the light source support is characterized in that a side support (2) is fixedly connected to the upper portion of one side of the base (1), a light source box (5) is arranged on the lower portion of the side support (2) in a sliding mode, a first motor (3) is fixedly connected to the inner portion of the base (1) and two sides of the side support (2), the first motor (3) extends upwards and penetrates through the base (1) to be provided with a first screw (4), the first screw (4) penetrates through the light source box (5) and is in threaded connection with the light source box (5), a supporting frame (9) is fixedly connected to the side wall of the upper portion of the side support (2), a first screw (13) and a first light bar (16) are arranged on two sides of the supporting frame (9), a first sliding block (15) is arranged on the second screw (13), a second sliding block (18) is arranged on the first sliding block (15) and a third screw (19), the second feed rod (17) and the third screw (19) penetrate through a supporting platform (20), and the lower end of the supporting platform (20) is fixedly connected with a laser ranging device (10).
2. An apparatus for detecting coplanarity of product planes as claimed in claim 1, characterized in that: the opposite side fixedly connected with second motor (8) of base (1), the one end of second motor (8) just is close to collateral branch support (2) and extends and is provided with pivot (7), be provided with conveyer belt (6) on pivot (7).
3. An apparatus for detecting coplanarity of product planes as claimed in claim 1, characterized in that: light source box (5) include shell (21), the inside fixedly connected with fluorescent tube (22) of shell (21), the inside of shell (21) and in one side fixedly connected with baffle (23) of fluorescent tube (22), the lateral wall of shell (21) just is close to baffle (23) and is provided with glass window (24).
4. An apparatus for detecting coplanarity of product planes as claimed in claim 3, characterized in that: through holes (25) are uniformly distributed on the baffle plate (23).
5. An apparatus for detecting coplanarity of product planes as claimed in claim 1, characterized in that: the inner wall of the side support (2) is fixedly connected with a third motor (12), a motor shaft of the third electrode (12) is fixedly connected with a second screw rod (13), the side wall of the first sliding block (15) is fixedly connected with a fourth motor (14), and the motor shaft of the fourth motor (14) is fixedly connected with a third screw rod (19).
6. An apparatus for detecting coplanarity of product planes as claimed in claim 1, characterized in that: the second screw rod (13) is in threaded connection with the first sliding block (15), and the third screw rod (19) is in threaded connection with the supporting platform (20).
7. An apparatus for detecting coplanarity of product planes as claimed in claim 1, characterized in that: the upper side wall of the side support (2) is fixedly connected with a support rod (11), and the other end of the support rod (11) is fixedly connected with the lower end of the support frame (9).
8. A method for detecting coplanarity of product planes as claimed in claim 1, characterized in that: the method comprises the following steps:
1, using a light source box (5), starting a second motor (8), conveying a workpiece to be detected to a detection position through a conveyor belt (6), electrifying a lamp tube (22) in the light source box (5), sending the workpiece to be detected from a glass window 24 in a light beam mode through a baffle plate (23), starting a first motor (3), rotating a first screw rod (4), adjusting the height of the light source box (5) to enable light rays to be displayed on the surface of the workpiece to be detected, if the surface of the workpiece is raised, blocking the light rays, calculating the number of light spots with the same vertical height, combining the interval of through holes (25) in the vertical direction on the baffle plate (23) and the diameter of the through holes (25), calculating the height of the raised part, and if the surface of the workpiece is depressed, displaying the depressed part by lines;
2, calculating coplanarity by a distance measuring mode, starting a third motor (12), rotating a second screw rod (13), sliding a first sliding block (15), starting a fourth motor (14), rotating a third screw rod (19), sliding a supporting platform (20), and linking the third motor (12) and the fourth motor (14), so that the laser distance measuring device (10) can measure the distance from any position on the surface of the workpiece to be measured to the laser distance measuring device (10), acquiring the distance L between the laser distance measuring device (10) and the surface of the workpiece by adopting a equidistance mode in the same direction, and calculating an increment value delta,
Δ1＝L2-L1；
calculate each delta, and calculate
Will exceed
The double delta value is regarded as an invalid value, deleted and recalculated
Finally calculating the true value L' of the L value relative to the horizontal plane,
l'MaxAnd L'MinAnd (5) calculating the difference to obtain a specific value of the flatness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011136642.6A CN112066918A (en) | 2020-10-22 | 2020-10-22 | Detect equipment of product plane coplane degree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011136642.6A CN112066918A (en) | 2020-10-22 | 2020-10-22 | Detect equipment of product plane coplane degree |
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| Publication Number | Publication Date |
|---|---|
| CN112066918A true CN112066918A (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011136642.6A Pending CN112066918A (en) | 2020-10-22 | 2020-10-22 | Detect equipment of product plane coplane degree |
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| CN (1) | CN112066918A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113305170A (en) * | 2021-07-28 | 2021-08-27 | 佛山市腾华自动化机械有限公司 | Traction machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206440247U (en) * | 2017-02-09 | 2017-08-25 | 王文 | A kind of novel building construction quality flatness checking device |
| CN209181741U (en) * | 2018-12-14 | 2019-07-30 | 膜王电子材料（深圳）有限公司 | A kind of touch lid surface flatness detection adjustment structure |
| CN209802323U (en) * | 2019-06-03 | 2019-12-17 | 昆山瑞义恒精密钣金有限公司 | High-precision sheet metal surface detection device |
| CN211121107U (en) * | 2019-12-13 | 2020-07-28 | 辽宁科技学院 | Flatness measuring instrument |
-
2020
- 2020-10-22 CN CN202011136642.6A patent/CN112066918A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206440247U (en) * | 2017-02-09 | 2017-08-25 | 王文 | A kind of novel building construction quality flatness checking device |
| CN209181741U (en) * | 2018-12-14 | 2019-07-30 | 膜王电子材料（深圳）有限公司 | A kind of touch lid surface flatness detection adjustment structure |
| CN209802323U (en) * | 2019-06-03 | 2019-12-17 | 昆山瑞义恒精密钣金有限公司 | High-precision sheet metal surface detection device |
| CN211121107U (en) * | 2019-12-13 | 2020-07-28 | 辽宁科技学院 | Flatness measuring instrument |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113305170A (en) * | 2021-07-28 | 2021-08-27 | 佛山市腾华自动化机械有限公司 | Traction machine |
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Application publication date: 20201211 |