CN114993192A - Equipment for automatically measuring thickness in lithium battery industry - Google Patents
Equipment for automatically measuring thickness in lithium battery industry Download PDFInfo
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- CN114993192A CN114993192A CN202210595282.9A CN202210595282A CN114993192A CN 114993192 A CN114993192 A CN 114993192A CN 202210595282 A CN202210595282 A CN 202210595282A CN 114993192 A CN114993192 A CN 114993192A
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 28
- 238000003825 pressing Methods 0.000 claims abstract description 98
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 238000005259 measurement Methods 0.000 claims abstract description 36
- 238000006073 displacement reaction Methods 0.000 claims abstract description 34
- 230000002265 prevention Effects 0.000 claims description 13
- 238000012360 testing method Methods 0.000 claims description 11
- 239000004579 marble Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims 3
- 229910001416 lithium ion Inorganic materials 0.000 claims 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides equipment for automatically measuring thickness in lithium battery industry, which comprises a controller, a servo pressing mechanism, a distance measuring reference surface, a pressing reference surface, a contact displacement sensor and a laser distance measuring system, wherein a product to be measured is placed on the distance measuring reference surface, the servo pressing mechanism controls the pressing reference surface to move to the upper surface of the product to be measured, the distance measuring reference surface is provided with the contact displacement sensor, the pressing reference surface is provided with the contact displacement sensor, the laser distance measuring system moves along with the pressing reference surface, and the laser distance measuring system measures the distance between the distance measuring reference surface and the pressing reference surface to complete thickness measurement of the product to be measured; the controller is connected with the servo pressing mechanism, the contact type displacement sensor and the laser ranging system. The device is a high-precision device for automatically detecting the thickness of the battery.
Description
Technical Field
The invention relates to the field of lithium batteries, in particular to a device for automatically measuring thickness in the lithium battery industry.
Background
Thickness tolerance such as energy storage square-shell battery in the lithium electricity field relates to the assembly size of battery to the module, if size deviation too big can lead to the unable assembly of follow-up station.
The existing measuring method is manually measured by a measuring tool, and the manual measurement mainly has the following defects: manual operation and low efficiency, and data cannot be automatically read and displayed; the labor cost is high, and the measurement precision is unstable; the yield is low.
Disclosure of Invention
The invention aims to provide equipment for automatically measuring thickness in the lithium battery industry, and mainly aims to monitor the overall dimension of an energy storage square-shell battery in the lithium battery field in the production process.
In order to achieve the above purpose, the invention provides the following technical scheme:
the device for automatically measuring the thickness in the lithium battery industry comprises a controller, a servo pressing mechanism, a distance measuring reference surface, a pressing reference surface, a contact type displacement sensor and a laser distance measuring system, wherein a product to be measured is placed on the distance measuring reference surface, the servo pressing mechanism controls the pressing reference surface to move to the upper surface of the product to be measured, the distance measuring reference surface is provided with the contact type displacement sensor, the pressing reference surface is provided with the contact type displacement sensor, the laser distance measuring system moves along with the pressing reference surface, and the laser distance measuring system measures the distance between the distance measuring reference surface and the pressing reference surface to complete the thickness measurement of the product to be measured; the controller is connected with the servo pressing mechanism, the contact type displacement sensor and the laser ranging system.
Further, in foretell lithium electricity trade automatic measure thickness's equipment, still include test platform, the range finding reference surface is the upper surface of first reference block, first reference block is arranged in on the test platform, the workstation that the range finding reference surface was placed for electric core, the material of first reference block is stainless steel or marble, the plane degree of range finding reference surface 0.02mm, it is the upper surface of second reference block to push down the reference surface, the material of second reference block is stainless steel or marble, the plane degree of push down the reference surface 0.02 mm.
Further, in the above automatic thickness measuring equipment in the lithium battery industry, the pressing reference surface is connected with an over-pressing prevention block, the over-pressing prevention block is made of nylon blocks or POM, and the thickness of the over-pressing prevention block is greater than or equal to +10mm of the thickness of the product to be measured.
Further, in foretell lithium electricity industry automatic measure thickness's equipment, it is provided with two to prevent excessive pressure piece, two prevent to cross and hold between the briquetting the product that awaits measuring.
Further, in foretell lithium electricity trade automatic measure thickness's equipment, still include slip table guide rail mechanism, slip table guide rail mechanism includes slip table, guide rail and rodless cylinder, the setting of range finding reference surface is in on the slip table, the slip table can move on the guide rail, rodless cylinder action the slip table removes.
Further, in the above apparatus for automatically measuring thickness in lithium battery industry, the sliding table guide rail mechanism further includes a proximity switch, the proximity switch detects the sliding table in place, and the proximity switch is disposed on two end faces of the distance measurement reference surface; the proximity switch is connected with the controller.
Further, in the above-mentioned apparatus for automatically measuring thickness in lithium battery industry, two first vertical plates are relatively arranged on the test platform, the distance measuring reference surface, the pressing reference surface and the laser distance measuring system are all located between the two first vertical plates, the top ends of the two first vertical plates are connected with a first transverse plate, the servo pressing mechanism comprises a servo motor, a moving plate and a pressing rod, the servo motor drives the pressing rod to press down, the servo motor is arranged above the first transverse plate, the pressing rod extends to the lower side of the first transverse plate, the upper end of a second reference block with the pressing reference surface is connected with a second transverse plate, the upper surface of the second transverse plate is connected with two support plates, two ends of the moving plate are connected to the two support plates, the support plates are provided with clamping grooves, two ends of the moving plate respectively extend into the clamping grooves of the two support plates, the lower pressing rod presses downwards to drive the moving plate to move, and the moving plate drives the pressing reference surface to move; the laser distance meter is arranged on the second transverse plate.
Further, in the above apparatus for automatically measuring thickness in the lithium battery industry, a protrusion is disposed on a lower surface of the moving plate, a pressure sensor is disposed at a lower end of the protrusion, a contact displacement sensor is disposed on the second transverse plate and at a position opposite to the pressure sensor, a protection block is disposed on a periphery of the contact displacement sensor, the second transverse plate is connected with a first slider, a first slide way is vertically disposed on the first vertical plate, and the first slider can slide on the first slide way; the pressure sensor is connected with the controller.
Further, in the above-mentioned equipment for automatically measuring thickness in the lithium battery industry, the equipment further comprises a floating connecting mechanism, the floating connecting mechanism comprises a guide pin, a guide cylinder, a top plate and a baffle plate, two second vertical plates are oppositely arranged above the first horizontal plate, a third horizontal plate is connected to the top ends of the two second vertical plates, one end of the guide cylinder is connected to the moving plate, the other end of the guide cylinder extends upwards, one end of the guide pin is connected to the lower side of the top plate, one end of the guide pin extends into the guide cylinder, a guide hole is arranged on the first horizontal plate, the guide hole is used for allowing the guide cylinder or the guide pin to pass through the first horizontal plate, a baffle plate is arranged on the upper surface of the guide hole and used for blocking the guide pin from moving, and the lower pressing rod sequentially passes through the third horizontal plate, the top plate and the first horizontal plate, the top plate is connected with a second sliding block, a second sliding way is vertically arranged on the second vertical plate, and the second sliding block can slide on the second sliding way.
Further, in the above device for automatically measuring thickness in the lithium battery industry, the device further comprises a display and an alarm, wherein the display and the alarm are both connected with the controller; a limiting block is arranged above the first slide way and arranged on the first vertical plate.
The analysis shows that the invention discloses equipment for automatically measuring the thickness in the lithium battery industry, which is high-precision equipment for automatically detecting the thickness of a battery, has the functions of automatic measurement, automatic data display, automatic recording, automatic alarm and the like, and improves the working efficiency and the yield.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic perspective view of an embodiment of the present invention.
Description of the reference numerals: 1. a servo hold-down mechanism; 2. a motor base; 3. a third transverse plate; 4. a floating connector; 5. a laser ranging system; 6. a contact displacement sensor; 7. a pressure sensor; 8. a contact type displacement sensor; 9. measuring a distance reference surface; 10. a sliding table guide rail mechanism; 11. prevent over-pressing blocks; 12. a laser ranging system; 13. a product to be tested; 14. a first transverse plate; 15. a second transverse plate; 16. a top plate; 17. a lower pressure lever; 18. a guide cylinder; 19. moving the plate; 20. a protection block; 21. a bump; 22. a first vertical plate; 23. a support plate; 24. a baffle plate; 25. a second vertical plate; 26. a guide pin; 27. the reference surface is pressed down.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the invention, and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit thereof. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.
One or more examples of the invention are illustrated in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. Like or similar designations in the drawings and description have been used to refer to like or similar parts of the invention. As used herein, the terms "first," "second," and "third," etc. may be used interchangeably to distinguish one component from another, and are not intended to denote the position or importance of the individual components.
As shown in fig. 1 to 2, according to an embodiment of the present invention, there is provided an apparatus for automatically measuring thickness in lithium battery industry, which is characterized by comprising a controller, a servo pressing mechanism 1, a distance measuring reference surface 9, a pressing reference surface 27, contact type displacement sensors (8 and 6) and laser distance measuring systems (12 and 5). The product 13 to be measured is placed on the distance measuring reference surface 9, the servo pressing mechanism 1 controls the pressing reference surface 27 to move to the upper surface of the product 13 to be measured, the contact type displacement sensor 8 is arranged on the distance measuring reference surface 9, the contact type displacement sensor 6 is arranged on the pressing reference surface 27, the laser distance measuring system moves along with the pressing reference surface 27, and the laser distance measuring system measures the distance between the distance measuring reference surface 9 and the pressing reference surface 27 to complete the thickness measurement of the product 13 to be measured; the controller is connected with the servo pressing mechanism 1, the contact type displacement sensors (8 and 6) and the laser ranging system. The contact type displacement sensor 8 is placed on the distance measuring reference surface 9 (namely below the product 13 to be measured) and used for detecting that the lower surface of the product 13 to be measured is in contact with the contact type displacement sensor 8, a signal is transmitted to the laser distance measuring system, and the laser distance measuring system returns to zero. After the contact displacement sensor 6 is placed on the pressing reference surface 27 and used for detecting that the pressing mechanism is in place, the contact displacement sensor 6 is in contact with the upper surface of the product 13 to be detected, a signal is sent to the servo motor, the servo motor stops pressing, meanwhile, a signal is sent to the laser ranging system, and at the moment, the thickness of the product 13 to be detected starts to be calculated.
The laser ranging system comprises laser distance measuring instruments (12 and 5), an amplifier, a control system and a communication cable, which are purchased standard parts. The servo pressing mechanism 1 enables the pressing reference surface 27 to reach the upper surface of the product 13 to be measured, after the 0-point reference is set, the laser distance meter emits a laser beam, and the distance between the distance measuring reference surface 9 and the pressing reference surface 27 is automatically calculated through optical reflection to obtain the thickness of the product 13 to be measured.
The invention discloses equipment for automatically measuring thickness in lithium battery industry, which is high-precision equipment for automatically detecting the thickness of a battery, has automatic measurement and improves the working efficiency and the yield.
Preferably, the test platform is further included, the distance measurement reference surface 9 is an upper surface of the first reference block, the first reference block is arranged on the test platform, the distance measurement reference surface 9 is a workbench for placing the electric core, the first reference block is made of stainless steel or marble, the flatness of the distance measurement reference surface 9 is +/-0.02 mm, the pressing reference surface 27 is an upper surface of the second reference block, the second reference block is made of stainless steel or marble, and the flatness of the pressing reference surface 27 is +/-0.02 mm. The first reference block and the second reference block are designed to ensure the measurement accuracy.
Preferably, the pressing reference surface 27 is connected with an over-pressing prevention block 11, the over-pressing prevention block 11 is made of nylon blocks or POM, and the thickness of the over-pressing prevention block 11 is larger than or equal to +10mm of the thickness of the product 13 to be measured. The two over-pressure prevention blocks 11 are arranged, and the two over-pressure prevention blocks 11 contain the product 13 to be measured. The servo pressing mechanism 1 slowly moves downwards, and after the contact type displacement sensor 6 arranged on the pressing reference surface 27 touches the product 13 to be detected, pressing is automatically stopped, so that the pressing block 11 is prevented from protecting the battery core from overvoltage. In the whole process that servo pushing mechanism 1 slowly descends, the laser ranging system continuously ranges the distance until stopping pushing, after the distance is measured, the distance measurement data is fed back to the controller for recording, the controller compares the test data with the set theoretical data, the deviation is calculated, whether the distance measurement data is qualified or not is judged, and the result is transmitted to a display (an electronic billboard) for operators to check and manage.
Preferably, still include slip table guide rail mechanism 10, slip table guide rail mechanism 10 includes slip table, guide rail and rodless cylinder, and range finding reference surface 9 sets up on the slip table, and the slip table can move on the guide rail, and rodless cylinder action slip table removes. The sliding table guide rail mechanism 10 further comprises proximity switches, the proximity switches are used for detecting the sliding table in place and are arranged on two end faces of the distance measurement reference surface 9; the proximity switch is connected with the controller. The sliding table is operated to the outside of the equipment through the rodless cylinder, the product 13 to be detected is placed on the distance measurement reference surface 9 through the external execution mechanism, the sliding table is provided with an in-place detection proximity switch, the product 13 to be detected can be detected to be in place, the bottom of the product 13 to be detected is contacted with the high-precision contact type displacement sensor 8, and the product 13 to be detected is operated to the lower part of the pressing reference surface 27 through the rodless cylinder. After the contact type displacement sensor 8 arranged on the distance measurement reference surface 9 touches the product 13 to be measured, the laser distance measurement system automatically calibrates and returns to zero as the original point of distance measurement, and the laser distance measurement system starts distance measurement at the position where the system calibration is zero.
Preferably, two first vertical plates 22 are oppositely arranged on the test platform, the distance measuring reference surface 9, the downward pressing reference surface 27 and the laser distance measuring system are located between the two first vertical plates 22, the top ends of the two first vertical plates 22 are connected with a first transverse plate 14, the servo downward pressing mechanism 1 comprises a servo motor, a movable plate 19 and a downward pressing rod 17, the servo motor drives the downward pressing rod 17 to press downward, the servo motor is arranged above the first transverse plate 14, the downward pressing rod 17 extends to the lower side of the first transverse plate 14, the upper end of a second reference block with the downward pressing reference surface 27 is connected with a second transverse plate 15, the upper surface of the second transverse plate 15 is connected with two support plates 23, two ends of the movable plate 19 are connected to the two support plates 23, specifically, clamping grooves are formed in the support plates 23, and two ends of the movable plate 19 respectively extend into the clamping grooves of the two support plates 23. The downward pressing rod 17 presses downward to drive the moving plate 19 to move, and the moving plate 19 drives the downward pressing reference surface 27 to move; the laser distance meter is arranged on the second horizontal plate 15.
Preferably, a convex block 21 is arranged on the lower surface of the moving plate 19, a pressure sensor 7 is arranged at the lower end of the convex block 21, a contact type displacement sensor 6 is arranged on the second transverse plate 15 and at a position opposite to the pressure sensor 7, a protective block 20 is arranged on the periphery of the contact type displacement sensor 6, the second transverse plate 15 is connected with a first slide block, a first vertical plate 22 is vertically provided with a first slide way, and the first slide block can slide on the first slide way; the top of first slide is provided with the stopper, and the stopper setting is on first riser 22, and first slider passes through the base to be connected with second diaphragm 15, and the stopper can prevent second diaphragm 15 to move up too much. If the second horizontal plate 15 moves upwards too much, the distance between the pressing reference surface 27 and the distance measuring reference surface 9 is too large, and the measuring efficiency is affected. The pressure sensor 7 is connected to the controller. In the process of slow descending distance measurement of the servo pressing mechanism 1, an overpressure prevention mechanism (an overpressure block 11) is designed, and a pressure sensor 7 is integrated, so that when the pressure is excessive or foreign matters exist, the equipment can be automatically stopped and protected.
Preferably, the device further comprises a floating connecting mechanism, the floating connecting mechanism comprises a guide pin 26, a guide cylinder 18, a top plate 16 and a baffle plate 24, two second vertical plates 25 are oppositely arranged above the first horizontal plate 14, the top ends of the two second vertical plates 25 are connected with a third horizontal plate 3, one end of the guide cylinder 18 is connected to the moving plate 19, the other end of the guide cylinder 18 extends upwards, one end of the guide pin 26 is connected below the top plate 16, one end of the guide pin 26 extends into the guide cylinder 18, a guide hole is formed in the first horizontal plate 14 and is used for allowing the guide cylinder 18 or the guide pin 26 to pass through the first horizontal plate 14, the baffle plate 24 is arranged on the upper surface of the guide hole and is used for blocking the guide pin 26 from moving, the lower pressing rod 17 sequentially passes through the third horizontal plate 3, the top plate 16 and the first horizontal plate 14, the top plate 16 is connected with a second slider, a second slide way is vertically arranged on the second vertical plate 25, the second slide block can slide on the second slide way. The floating connection mechanism with the structure can provide support for the process of slow descending distance measurement of the servo pressing mechanism 1.
The two support plates 23 and the moving plate 19 are also in a floating connection design, the moving plate 19 is driven to move by pressing down the lower pressing rod 17, and the moving plate 19 drives the lower pressing reference surface 27 to move.
The first slideway and the first sliding block are structures with horizontal verticality, the floating connection mechanism is also a structure with horizontal verticality, and two structures with own horizontal verticality exist above (the floating connection mechanism) and below (the first slideway and the first sliding block) in the same connection system, so that the manufacturing precision of the equipment is very high if bolting is used. And two groups of vertical sliding mechanisms in the same connecting system belong to an over-constraint design, so that the movable plate 19 (matched with the two support plates 23) is designed into a floating connection design, the guide pin 26 or the first slide way and the first slide block can be effectively prevented from being clamped in the operation process of the equipment, the requirement on the processing precision of the equipment can be reduced, and the cost is saved.
The equipment also comprises a display and an alarm, and the display and the alarm are both connected with the controller. The display automatically displays data and automatically records data, the alarm automatically gives an alarm and the like, and the working efficiency and the yield are improved.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
1) the sliding table is operated to the outside of the equipment through the rodless cylinder, the product 13 to be detected is placed on the distance measurement reference surface 9 through the external execution mechanism, the sliding table is provided with an in-place detection proximity switch, the product 13 to be detected can be detected to be in place, the bottom of the product 13 to be detected is contacted with the high-precision contact type displacement sensor 8, and the product 13 to be detected is operated to the lower part of the pressing reference surface 27 through the rodless cylinder.
2) After the contact type displacement sensor 8 arranged on the distance measurement reference surface 9 touches the product 13 to be measured, the laser distance measurement system 12 automatically calibrates and returns to zero as the original point of distance measurement, and the laser distance measurement system starts distance measurement at the position where the system calibration is zero.
3) The servo pressing mechanism 1 slowly moves downwards, and after the contact type displacement sensor 8 arranged on the pressing reference surface 27 touches the product 13 to be detected, pressing is automatically stopped, so that the pressing block 11 is prevented from protecting the electric core from overvoltage. In the whole process that servo pushing mechanism 1 slowly descends, the laser ranging system continuously ranges the distance until stopping pushing, after the distance is measured, the distance measurement data is fed back to the controller for recording, the controller compares the test data with the set theoretical data, the deviation is calculated, whether the distance measurement data is qualified or not is judged, and the result is transmitted to a display (an electronic billboard) for operators to check and manage.
4) The process of the servo downward distance measurement of the pressing mechanism 1 is that the overpressure prevention mechanism is designed, the pressure sensor 7 is integrated, and when the pressure is excessive or foreign matters exist, the equipment can be automatically stopped and protected.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An automatic thickness measuring device in lithium battery industry is characterized by comprising a controller, a servo pressing mechanism, a distance measuring reference surface, a pressing reference surface, a contact type displacement sensor and a laser distance measuring system,
a product to be measured is placed on the distance measuring reference surface, the servo pressing mechanism controls the pressing reference surface to move to the upper surface of the product to be measured,
a contact type displacement sensor is arranged on the distance measuring reference surface,
a contact type displacement sensor is arranged on the pressing reference surface,
the laser ranging system moves along with the pressing reference surface, and the laser ranging system measures the distance between the ranging reference surface and the pressing reference surface to complete the thickness measurement of the product to be measured;
the controller is connected with the servo pressing mechanism, the contact type displacement sensor and the laser ranging system.
2. The apparatus for automatically measuring thickness in the lithium electric industry of claim 1, further comprising a testing platform,
the distance measuring reference surface is the upper surface of the first reference block,
the first reference block is placed on the test platform,
the distance measuring reference surface is a workbench for placing the battery core, the first reference block is made of stainless steel or marble, the planeness of the distance measuring reference surface is +/-0.02 mm,
the pressing reference surface is the upper surface of the second reference block,
the second reference block is made of stainless steel or marble, and the flatness of the pressing reference surface is +/-0.02 mm.
3. The lithium ion battery industry automatic thickness measurement device of claim 1,
the pressing reference surface is connected with an over-pressing prevention block,
the material of the over-pressing prevention block is a nylon block or POM, and the thickness of the over-pressing prevention block is more than or equal to +10mm of the thickness of the product to be detected.
4. The lithium ion battery industry automatic thickness measurement device of claim 3,
prevent that excessive pressure piece is provided with two, two prevent to cross and hold between the briquetting the product that awaits measuring.
5. The apparatus for automatically measuring the thickness in the lithium battery industry according to claim 1, further comprising a slide table guide rail mechanism, wherein the slide table guide rail mechanism comprises a slide table, a guide rail and a rodless cylinder,
the distance measuring datum plane is arranged on the sliding table, the sliding table can move on the guide rail, and the rodless cylinder acts to move the sliding table.
6. The lithium ion battery industry automatic thickness measurement device of claim 5,
the sliding table guide rail mechanism also comprises a proximity switch which detects the sliding table in place,
the proximity switches are arranged on two end faces of the distance measuring reference surface;
the proximity switch is connected with the controller.
7. The automatic thickness measuring equipment in the lithium battery industry according to claim 2, wherein the testing platform is provided with two first vertical plates, the distance measuring datum plane, the pressing datum plane and the laser distance measuring system are all located between the two first vertical plates,
the top ends of the two first vertical plates are connected with a first transverse plate,
the servo pressing mechanism comprises a servo motor, a movable plate and a pressing rod, the servo motor drives the pressing rod to press downwards, the servo motor is arranged above the first transverse plate, the pressing rod extends to the lower part of the first transverse plate,
the upper end of a second reference block with the pressing reference surface is connected with a second transverse plate, the upper surface of the second transverse plate is connected with two support plates, two ends of the moving plate are connected on the two support plates,
the support plates are provided with clamping grooves, two ends of the movable plate respectively extend into the clamping grooves of the two support plates,
the lower pressing rod presses downwards to drive the moving plate to move, and the moving plate drives the pressing reference surface to move;
the laser distance meter is arranged on the second transverse plate.
8. The automatic thickness measuring equipment for the lithium battery industry according to claim 7, wherein a bump is arranged on the lower surface of the moving plate, a pressure sensor is arranged at the lower end of the bump,
a contact type displacement sensor is arranged on the second transverse plate and opposite to the pressure sensor,
a protective block is arranged on the periphery of the contact type displacement sensor,
the second transverse plate is connected with a first sliding block, a first slide way is vertically arranged on the first vertical plate, and the first sliding block can slide on the first slide way;
the pressure sensor is connected with the controller.
9. The apparatus for automatically measuring thickness in lithium battery industry according to claim 7, further comprising a floating connection mechanism, wherein the floating connection mechanism comprises a guide pin, a guide cylinder, a top plate and a baffle plate,
two second vertical plates are oppositely arranged above the first transverse plate, the top ends of the two second vertical plates are connected with a third transverse plate,
one end of the guide cylinder is connected to the moving plate, the other end of the guide cylinder extends upwards,
one end of the guide pin is connected below the top plate, one end of the guide pin extends into the guide cylinder,
the first transverse plate is provided with a guide hole for the guide cylinder or the guide pin to pass through, the upper surface of the guide hole is provided with a baffle plate for blocking the guide pin from moving,
the lower pressure lever sequentially passes through the third transverse plate, the top plate and the first transverse plate,
the top plate is connected with a second sliding block, a second sliding way is vertically arranged on the second vertical plate, and the second sliding block can slide on the second sliding way.
10. The device for automatically measuring thickness in lithium battery industry according to claim 8, further comprising a display and an alarm,
the display and the alarm are both connected with the controller;
a limiting block is arranged above the first slide way and arranged on the first vertical plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210595282.9A CN114993192B (en) | 2022-05-28 | 2022-05-28 | Automatic thickness measuring equipment in lithium battery industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210595282.9A CN114993192B (en) | 2022-05-28 | 2022-05-28 | Automatic thickness measuring equipment in lithium battery industry |
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| CN114993192B (en) | 2023-05-26 |
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