CN111156910A - High-precision online rapid measuring device and method for thickness of aluminum substrate - Google Patents
High-precision online rapid measuring device and method for thickness of aluminum substrate Download PDFInfo
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- CN111156910A CN111156910A CN202010157748.8A CN202010157748A CN111156910A CN 111156910 A CN111156910 A CN 111156910A CN 202010157748 A CN202010157748 A CN 202010157748A CN 111156910 A CN111156910 A CN 111156910A
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- aluminum substrate
- driving device
- thickness
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- conveying rail
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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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
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Abstract
The invention discloses a high-precision online rapid measuring device and a measuring method for the thickness of an aluminum substrate, and the device comprises a horizontal driving device, a vertical driving device and a conveying rail which are arranged on a basic platform, wherein the horizontal driving device is provided with a pair of posture adjusting devices, each posture adjusting device is provided with a laser emitting head, and the pair of laser emitting heads are respectively connected with an optical fiber; the vertical driving device is provided with a cam combination, a lever combination and a guide base; a guide rod penetrates through the guide base; the power mechanism drives the cam combination to drive the lever combination to jack up the guide rod, so that the aluminum substrates are driven one by one to sequentially ascend to the pair of laser emitting heads to carry out opposite emission to measure the thickness of the aluminum substrates. The measuring device has compact structure, realizes the online real-time thickness measurement of the whole aluminum substrate, has high measuring precision and high speed, and improves the measuring precision of the thickness of the aluminum substrate.
Description
Technical Field
The invention belongs to the technical field of mechanical and electrical integration, and relates to a high-precision online rapid measuring device and a measuring method for the thickness of an aluminum substrate, which are mainly used in the fields of electronic information, microelectronics, intelligent manufacturing and the like.
Background
The mechanical hard disk has the irreplaceable advantages of a solid state hard disk in the application fields of data centers and the like due to the characteristic of data recoverability, and still keeps strong delivery requirements. With the continuous development of electronic information, microelectronics and intelligent manufacturing technologies and the continuous improvement of the requirements on the capacity, access speed and portability of hard disks, the thickness of a single disk of a mechanical hard disk is continuously reduced, and the rotating speed is continuously improved.
The aluminum substrate is one of the main raw materials of the disk of the mechanical hard disk, the minimum thickness difference of the aluminum substrates with different specifications reaches dozens of micrometers at present, the aluminum substrates cannot be distinguished in a conventional visual inspection mode, and the mixing condition is easily caused. In addition, with the continuous improvement of the performance requirements of the hard disk, the requirement on the consistency of the thickness and the size of the aluminum substrate is higher and higher, the current performance requirements cannot be met by an offline sampling inspection mode commonly adopted in the industry at present, and the development of an online high-precision thickness automatic measurement system becomes a problem to be solved urgently in the field.
Disclosure of Invention
In order to solve the above-mentioned defects in the prior art, the present invention provides a high-precision online rapid measuring device and a measuring method for the thickness of an aluminum substrate, so as to meet the requirement of online real-time thickness measurement of the whole aluminum substrate hard disk. The method has high measurement precision and high speed, and improves the precision of the thickness measurement of the aluminum substrate.
The invention is realized by the following technical scheme.
According to the invention, the high-precision online rapid measuring device for the thickness of the aluminum substrate comprises a horizontal driving device, a vertical driving device and a conveying rail, wherein the horizontal driving device, the vertical driving device and the conveying rail are arranged on a base platform;
the horizontal driving device is provided with a pair of posture adjusting devices, each posture adjusting device is provided with a laser emitting head, and the pair of laser emitting heads are respectively connected with optical fibers;
the vertical driving device is provided with a cam combination, a lever combination and a guide base; a guide rod penetrates through the guide base; the cam assembly is connected with the lever assembly, the lever assembly is connected with the guide rod, an aluminum substrate support is mounted on the guide rod, and the upper part of the aluminum substrate support is butted with an aluminum substrate in the conveying rail material box;
the power mechanism drives the cam combination to drive the lever combination to jack up the guide rod, so that the aluminum substrates are driven one by one to sequentially ascend to the pair of laser emitting heads to carry out opposite emission to measure the thickness of the aluminum substrates.
Preferably, the horizontal driving device and the vertical driving device are directly driven by a servo electric cylinder.
Preferably, a pair of attitude adjusting devices are mounted on the carriage above the horizontal driving device, the laser emitting heads on each attitude adjusting device are on the same horizontal line, and a pair of laser heads are located above the transfer rail.
Preferably, the cam combination comprises a plurality of cams connected to the cam rotating shaft, every two cams are fixed on the cam rotating shaft in a mode that the cam bulges are distributed in a spiral line, and the cam rotating shaft is connected with a transmission system of the motor.
Preferably, the lever assembly comprises a lever fixing shaft connected below the cam rotating shaft, the levers are respectively and independently connected to the cam fixing shaft, and the other ends of the levers are in butt joint with a guide rod penetrating through the guide base.
Preferably, the guide base is a frame-shaped frame, a plurality of through holes are formed in the top of the frame-shaped frame, and the guide rod penetrates through the through holes.
Preferably, the guide rod is provided with an aluminum substrate support, and the aluminum substrate support is used for jacking the aluminum substrate in an aluminum substrate box placed on the conveying rail.
Correspondingly, the invention further provides a high-precision online rapid measuring method for the thickness of the aluminum substrate of the device, which comprises the following steps:
1) the conveying rail conveys the material box with the aluminum substrate to a measuring position, and the positioning cylinder fixes the material box;
2) the vertical driving device drives the base to ascend from the power-on initial position to the vertical initial position, and the horizontal driving device moves the support to the horizontal initial position;
3) the motor drives the cam combination to rotate, and the lever combination jacks up the first guide rod to drive the first aluminum substrate to ascend to a vertical measuring position for thickness measurement; then the first aluminum substrate descends, the second aluminum substrate jacks up, the thickness of the second aluminum substrate is measured, and the rest is done, so that the thickness of all the aluminum substrates in the material box is measured;
4) after the thickness measurement of all the aluminum substrates is completed, the vertical driving device is lowered to the power-on initial position, the horizontal driving device is moved to the horizontal initial position, the positioning cylinder is loosened, and the conveying rail conveys the material box to the next station.
Compared with the prior art, the invention has the following advantages:
1. the invention realizes the online real-time thickness measurement of the whole aluminum substrate for the first time, can complete the full detection function of the aluminum substrate product on line, and realizes the detection functions of product mixing, material shortage and inconsistent model.
2. The invention adopts a double-laser head correlation mode to test the thickness, the measurement precision is not influenced by the performance of the reference surface, the test precision is high, and the stability is good.
3. The invention adopts the cam combination and the lever combination to realize the thickness measurement of the whole box of aluminum substrates with different quantities, and has compact structure and high measurement speed.
The device has the advantages of compact structure, independent function and high automation degree, and can be used as a universal device for high-precision and rapid measurement of the online thickness in various fields, and the function upgrade or automatic modification of production lines in related fields can be conveniently realized.
Drawings
FIG. 1 is a schematic overall view of the system of the present invention;
FIG. 2 is a schematic diagram of a system thickness measurement configuration of the present invention;
FIG. 3 is a schematic view of the aluminum substrate motion transmission structure of the present invention;
in the figure: 1. a support; 2. an attitude adjusting device; 3. a horizontal driving device; 4. a transfer rail; 5. a laser emitting head; 6. an optical fiber; 7. a magazine; 8. a driving wheel; 9. positioning the air cylinder; 10. a base platform; 11. an aluminum substrate; 12. a guide base; 13. a vertical driving device; 14. a motor; 15. a transmission system; 16. combining the cams; 17. a lever fixing shaft; 18. an aluminum substrate support; 19. a guide bar; 20. a lever assembly; 21. a base.
Detailed Description
The invention is further described in detail below with reference to the drawings and examples, but the invention is not limited thereto.
As shown in figure 1 and figure 2, the high-precision online rapid measuring device for the thickness of the aluminum substrate comprises a horizontal driving device 3, a vertical driving device 13 and a conveying rail 4 which are arranged on a base platform 10, wherein the horizontal driving device 3 and the vertical driving device 13 are directly driven by servo electric cylinders. The conveying rail 4 is positioned at the side part of the horizontal driving device 3, and the vertical driving device 13 is positioned between the horizontal driving device 3 and the conveying rail 4; the horizontal driving device 3 is provided with a bracket 1, the bracket 1 is provided with two posture adjusting devices 2, each posture adjusting device 2 is provided with a laser emitting head 5, each laser emitting head 5 is connected with an optical fiber 6, the laser emitting heads 5 are on the same horizontal line, and a pair of laser heads 5 are positioned above the conveying rail 4; the conveying rail 4 is provided with a driving wheel 8 and a positioning cylinder 9, a material box 7 is placed on the driving wheel 8, and an aluminum substrate 11 is placed in the material box 7.
As shown in fig. 3 and fig. 2, a base 21 is installed on the vertical driving device 13, and a set of cam assemblies 16, a set of lever assemblies 20 and a guide base 12 are installed on the base 21. The cam combination 16 comprises a plurality of cams connected to a cam rotating shaft, every two cams are fixed on the cam rotating shaft in a mode that cam protrusions are distributed in a spiral line, and one end of the cam combination 16 is connected with the motor 14 through a transmission system 15. The guide base 12 is a frame, a plurality of through holes are formed in the top of the frame, guide rods 19 penetrate through the through holes, the bottom of the cam assembly 16 is connected with a lever assembly 20, the lever assembly 20 comprises a lever fixing shaft connected below a cam rotating shaft, a plurality of levers are respectively and independently connected to the cam fixing shaft, and the other ends of the levers are in butt joint with the guide rods 19 penetrating through the guide base 12. The guide bar 19 is provided with an aluminum substrate holder 18, and the aluminum substrate holder 18 is used for jacking the aluminum substrate 11 in the aluminum substrate box 4 placed on the conveying rail 4.
As shown in FIG. 1 in combination with FIG. 2 and FIG. 3, the method for high-precision online rapid measurement of the thickness of an aluminum substrate of the present invention comprises the following steps: after the conveying rail 4 conveys the material box 7 to the measuring position, the positioning cylinder 9 fixes the material box 7, the vertical driving device 13 drives the base 21 to ascend from the electrifying initial position to the vertical initial position, and the horizontal driving device 3 moves the support 1 to the horizontal initial position; after the horizontal and vertical directions reach the initial position, the motor 14 drives the cam combination 16 to continuously move according to a specific rotating speed, the cam on the cam rotating shaft of the cam combination 16 sequentially rotates to the position corresponding to the lever fixing shaft of the lever combination 20, the cam pushes the lever sleeved on the lever fixing shaft to a certain distance, and the lever jacks up the first guide rod 19, so that the first aluminum substrate 11 is driven to rise to the vertical measuring position to measure the thickness of the first aluminum substrate 11; in the process of rotating the cam combination, the first aluminum substrate descends, the second aluminum substrate jacks up, when the cam rotates to the measuring angle of the second aluminum substrate, the horizontal driving device drives the support to move to the horizontal measuring position of the second aluminum substrate, the thickness of the second aluminum substrate is measured, and the like, so that the thickness of all the aluminum substrates in the material box is measured; after the thickness measurement of the last aluminum substrate is finished, the vertical driving device 13 is lowered to the upper electric initial position, the horizontal driving device 3 is moved to the horizontal initial position, the positioning cylinder 9 is released, and the conveying rail 4 conveys the material box 7 to the next station.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (8)
1. The device for quickly measuring the thickness of the aluminum substrate on line with high precision is characterized by comprising a horizontal driving device (3), a vertical driving device (13) and a conveying rail (4), wherein the horizontal driving device (3), the vertical driving device (13) and the conveying rail (4) are arranged on a basic platform (10), the conveying rail (4) is positioned at the front side part of the horizontal driving device (3), and the vertical driving device (13) is positioned between the horizontal driving device (3) and the conveying rail (4);
a pair of posture adjusting devices (2) is arranged on the horizontal driving device (3), each posture adjusting device (2) is provided with a laser emitting head (5), and the pair of laser emitting heads (5) are respectively connected with an optical fiber (6);
the vertical driving device (13) is provided with a cam combination (16), a lever combination (20) and a guide base (12); a guide rod (19) penetrates through the guide base (12); the cam assembly (16) is connected with the lever assembly (20), the lever assembly (20) is connected with the guide rod (19), an aluminum substrate support (18) is installed on the guide rod (19), and the upper part of the aluminum substrate support (18) is butted with an aluminum substrate (11) in the conveying rail material box (7);
the cam assembly (16) is driven by the power mechanism to drive the lever assembly (20) to jack up the guide rod (19), so that the aluminum substrates (11) are driven one by one to sequentially ascend to the opposite shooting positions of the laser shooting heads (5) to measure the thickness of the aluminum substrates (11).
2. The high-precision online rapid measuring device for the thickness of the aluminum substrate as claimed in claim 1, wherein the horizontal driving device 3 and the vertical driving device (13) are directly driven by a servo electric cylinder.
3. The high-precision online rapid measuring device for the thickness of the aluminum substrate as claimed in claim 1, wherein a pair of attitude adjusting devices (2) are mounted on a bracket above the horizontal driving device (3), the laser emitting head (5) on each attitude adjusting device (2) is on the same horizontal line, and a pair of laser heads (5) are located above the conveying rail (4).
4. The device for the high-precision online rapid measurement of the thickness of the aluminum substrate as claimed in claim 1, wherein the cam assembly (16) comprises a plurality of cams connected to a cam rotating shaft, each two cams are fixed to the cam rotating shaft in a manner that the cam protrusions are distributed in a spiral line, and the cam rotating shaft is connected to a transmission system (15) of the motor (14).
5. The apparatus for high-precision on-line rapid measurement of the thickness of aluminum substrate as claimed in claim 1, wherein the lever assembly (20) comprises a lever fixing shaft connected below the cam rotation shaft, a plurality of levers are respectively and independently connected to the lever fixing shaft, and the other ends of the levers are butted against a guide rod (19) penetrating through the guide base (12).
6. The device for high-precision online rapid measurement of the thickness of the aluminum substrate as claimed in claim 1, wherein the guide base (12) is a frame, a plurality of through holes are formed on the top of the frame, and the guide rods (19) penetrate through the plurality of through holes.
7. The device for high-precision on-line rapid measurement of the thickness of the aluminum substrate as claimed in claim 1, wherein the guide bar (19) is provided with an aluminum substrate holder (18), and the aluminum substrate holder (18) is used for jacking the aluminum substrate (11) in the aluminum substrate magazine (4) placed on the conveying rail (4).
8. A method for high-precision online rapid measurement of the thickness of an aluminum substrate by using the device of any one of claims 1 to 7, which comprises the following steps:
1) the conveying rail (4) conveys the material box (7) with the aluminum substrate (11) to a measuring position, and the positioning cylinder (9) fixes the material box (7);
2) the vertical driving device (13) drives the base (21) to ascend from the power-on initial position to the vertical initial position, and the horizontal driving device (3) moves the support (1) to the horizontal initial position;
3) the motor (14) drives the cam assembly (16) to rotate, and the lever assembly (20) jacks up the first guide rod (19) to drive the first aluminum substrate (11) to ascend to a vertical measuring position for thickness measurement; then the first aluminum substrate descends, the second aluminum substrate jacks up, the thickness of the second aluminum substrate is measured, and the rest is done, so that the thickness of all the aluminum substrates in the material box is measured;
4) after the thickness measurement of all the aluminum substrates is completed, the vertical driving device (13) descends to the upper electric initial position, the horizontal driving device (3) moves to the horizontal initial position, the positioning cylinder (9) is released, and the conveying rail (4) conveys the material box (7) to the next station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010157748.8A CN111156910B (en) | 2020-03-09 | 2020-03-09 | High-precision online rapid measuring device and method for thickness of aluminum substrate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010157748.8A CN111156910B (en) | 2020-03-09 | 2020-03-09 | High-precision online rapid measuring device and method for thickness of aluminum substrate |
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| CN111156910A true CN111156910A (en) | 2020-05-15 |
| CN111156910B CN111156910B (en) | 2021-03-30 |
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| CN202010157748.8A Active CN111156910B (en) | 2020-03-09 | 2020-03-09 | High-precision online rapid measuring device and method for thickness of aluminum substrate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504145A (en) * | 2020-12-22 | 2021-03-16 | 天能电池(芜湖)有限公司 | Device for measuring thickness of lead belt by laser |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504145A (en) * | 2020-12-22 | 2021-03-16 | 天能电池(芜湖)有限公司 | Device for measuring thickness of lead belt by laser |
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