CN114993192B - Automatic thickness measuring equipment in lithium battery industry - Google Patents
Automatic thickness measuring equipment in lithium battery industry Download PDFInfo
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- CN114993192B CN114993192B CN202210595282.9A CN202210595282A CN114993192B CN 114993192 B CN114993192 B CN 114993192B CN 202210595282 A CN202210595282 A CN 202210595282A CN 114993192 B CN114993192 B CN 114993192B
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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 96
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 238000006073 displacement reaction Methods 0.000 claims abstract description 35
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims description 14
- 238000007667 floating Methods 0.000 claims description 12
- 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
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000006872 improvement Effects 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
- 230000005611 electricity Effects 0.000 description 1
- 238000012544 monitoring process Methods 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
-
- 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 the lithium battery industry, which comprises a controller, a servo pressing mechanism, a ranging reference surface, a pressing reference surface, a contact type displacement sensor and a laser ranging system, wherein a product to be measured is placed on the ranging reference surface, the servo pressing mechanism controls the pressing reference surface to move to the upper surface of the product to be measured, the ranging reference surface is provided with the contact type displacement sensor, the pressing reference surface is provided with the contact type displacement sensor, 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 finish 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. Is a device for automatically detecting the thickness of the battery with high precision.
Description
Technical Field
The invention relates to the field of lithium batteries, in particular to equipment for automatically measuring thickness in the lithium battery industry.
Background
Thickness tolerances in the lithium battery field, such as energy storage square-case batteries, relate to the assembly dimensions of the battery to the module, and if the dimensional deviations are too large, the subsequent stations cannot be assembled.
The existing measuring method is to manually measure through a measuring tool, and the manual measurement has the following defects: manual operation, low efficiency, and incapability of automatically reading and displaying data; the labor cost is high, and the measurement accuracy is unstable; the yield is low.
Disclosure of Invention
The invention aims to provide equipment for automatically measuring thickness in the lithium battery industry, which mainly solves the problem of monitoring the external dimension of an energy storage square shell battery in the production process in the lithium battery field.
In order to achieve the above object, the present invention provides the following technical solutions:
the device for automatically measuring the thickness in the lithium battery industry comprises a controller, a servo pressing mechanism, a ranging reference surface, a pressing reference surface, a contact type displacement sensor and a laser ranging system, wherein a product to be measured is placed on the ranging reference surface, the servo pressing mechanism controls the pressing reference surface to move to the upper surface of the product to be measured, the contact type displacement sensor is arranged on the ranging reference surface, the 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 finish 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 the equipment for automatically measuring thickness in the lithium battery industry, the equipment further comprises a test platform, the ranging reference surface is the upper surface of a first reference block, the first reference block is arranged on the test platform, the ranging reference surface is a workbench for placing a battery cell, the first reference block is made of stainless steel or marble, the flatness of the ranging reference surface is +/-0.02 mm, the pressing reference surface is the upper surface of a 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.
Further, in the device for automatically measuring the thickness in the lithium battery industry, the pressing reference surface is connected with an overpressure preventing block, the overpressure preventing block is made of nylon blocks or POM, and the thickness of the overpressure preventing block is more than or equal to +10mm of the thickness of the product to be measured.
Further, in the above-mentioned equipment for automatically measuring thickness in lithium battery industry, two anti-over-pressing blocks are provided, and the product to be measured is accommodated between the two anti-over-pressing blocks.
Further, in the equipment for automatically measuring thickness in the lithium battery industry, the equipment further comprises a sliding table guide rail mechanism, wherein the sliding table guide rail mechanism comprises a sliding table, a guide rail and a rodless cylinder, the ranging reference surface is arranged on the sliding table, the sliding table can move on the guide rail, and the rodless cylinder acts on the sliding table to move.
Further, in the device for automatically measuring thickness in the lithium battery industry, the sliding table guide rail mechanism further comprises a proximity switch, the proximity switch performs in-place detection on the sliding table, and the proximity switch is arranged on two end faces of the ranging reference surface; the proximity switch is connected with the controller.
Further, in the device for automatically measuring thickness in the lithium battery industry, two first vertical plates are oppositely arranged on the test platform, the ranging reference surface, the pressing reference surface and the laser ranging system are all located between the two first vertical plates, the top ends of the two first vertical plates are connected with first transverse plates, 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 plates, the pressing rod extends to the lower side of the first transverse plates, 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, the two ends of the moving plate are connected to the two support plates, the two ends of the moving plate are respectively stretched into the clamping grooves of the two support plates, the pressing rod is driven to press down, and the moving plate is driven to press down the moving reference surface; the laser distance meter is arranged on the second transverse plate.
Further, in the device for automatically measuring thickness in the lithium battery industry, a bump is arranged on the lower surface of the movable plate, a pressure sensor is arranged at the lower end of the bump, a contact displacement sensor is arranged on the second transverse plate and opposite to the pressure sensor, a protection block is arranged on the periphery of the contact displacement sensor, the second transverse plate is connected with a first sliding block, a first slideway is vertically arranged on the first vertical plate, and the first sliding block can slide on the first slideway; the pressure sensor is connected with the controller.
Further, in the above-mentioned equipment of lithium electricity trade automatic measure thickness, still include floating coupling mechanism, floating coupling mechanism includes guide pin, guide cylinder, roof and baffle, the top of first diaphragm is provided with two second risers relatively, two the top of second riser is connected with the third diaphragm, the one end of guide cylinder is connected on the movable plate, the other end of guide cylinder upwards extends, the one end of guide pin is connected the below of roof, the one end of guide pin extends to in the guide cylinder, be provided with the guiding hole on the first diaphragm, the guiding hole supplies the guide cylinder or the guide pin passes the first diaphragm, the upper surface of guiding hole is provided with the baffle, the baffle is used for blockking the guide pin removes, the depression bar passes third diaphragm, roof and first diaphragm in proper order, the roof is connected with the second slider, vertically on the second riser is provided with the second slide, the second slider can slide on the second slide.
Further, in the above-mentioned equipment for automatically measuring thickness in lithium battery industry, the equipment 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 slideway and arranged on the first vertical plate.
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 included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. Wherein:
FIG. 1 is a schematic diagram of an embodiment of the present invention.
Fig. 2 is a schematic perspective view of an embodiment of the present invention.
Reference numerals illustrate: 1. a servo hold-down mechanism; 2. a motor base; 3. a third cross plate; 4. a floating connector; 5. a laser ranging system; 6. a contact displacement sensor; 7. a pressure sensor; 8. a contact displacement sensor; 9. a ranging reference surface; 10. a slipway guide rail mechanism; 11. preventing the pressing block from being excessively pressed; 12. a laser ranging system; 13. a product to be tested; 14. a first cross plate; 15. a second cross plate; 16. a top plate; 17. pressing down a rod; 18. a guide cylinder; 19. a moving plate; 20. a protection block; 21. a bump; 22. a first vertical plate; 23. a support plate; 24. a baffle; 25. a second vertical plate; 26. a guide pin; 27. the reference surface is pressed down.
Detailed Description
The invention will be described in detail below with reference to the drawings in connection with embodiments. The examples are provided by way of explanation of the invention and not limitation of the invention. Indeed, 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 of the invention. For example, features illustrated or described as part of one embodiment can be used on another embodiment to yield still a further embodiment. Accordingly, it is intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and their equivalents.
In the description of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present invention 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 "coupled," "connected," and "configured" as used herein are to be construed broadly and may be, for example, fixedly connected or detachably connected; can be directly connected or indirectly connected through an intermediate component; either a wired electrical connection, a radio connection or a wireless communication signal connection, the specific meaning of which terms will be understood by those of ordinary skill in the art as the case may be.
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. are used interchangeably to distinguish one component from another and are not intended to represent the location 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, characterized by comprising a controller, a servo pressing mechanism 1, a ranging reference plane 9, a pressing reference plane 27, contact displacement sensors (8 and 6) and laser ranging systems (12 and 5). The product 13 to be measured is placed on a ranging reference surface 9, a servo pressing mechanism 1 controls a pressing reference surface 27 to move to the upper surface of the product 13 to be measured, a contact displacement sensor 8 is arranged on the ranging reference surface 9, a contact displacement sensor 6 is arranged on the pressing reference surface 27, a laser ranging system moves along with the pressing reference surface 27, and the laser ranging system measures the distance between the ranging reference surface 9 and the pressing reference surface 27 to finish thickness measurement of the product 13 to be measured; the controller is connected with the servo pressing mechanism 1, the contact displacement sensors (8 and 6) and the laser ranging system. The contact type displacement sensor 8 is placed on the ranging reference surface 9 (namely, under 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, and transmitting signals to the laser ranging system, and the laser ranging system returns to zero. After the contact displacement sensor 6 is placed on the pressing reference surface 27 for detecting that the pressing mechanism is in place, the contact displacement sensor 6 contacts with the upper surface of the product 13 to be measured, signals the servo motor to stop pressing, and signals the laser ranging system to start calculating the thickness of the product 13 to be measured at the moment.
The laser ranging system comprises a laser range finder (12 and 5), an amplifier, a control system and a communication cable, which are all purchased standard components. The servo pressing mechanism 1 makes the pressing reference surface 27 reach the upper surface of the product 13 to be measured, and after the 0-point reference is set, the laser distance meter emits a laser beam, and the distance between the ranging 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 the thickness in the lithium battery industry, which is high-precision equipment for automatically detecting the thickness of a battery, has the advantages of automatic measurement and improvement of working efficiency and yield.
Preferably, the electric core testing device further comprises a testing platform, the ranging reference surface 9 is the upper surface of a first reference block, the first reference block is arranged on the testing platform, the ranging reference surface 9 is a workbench for placing an electric core, the first reference block is made of stainless steel or marble, the flatness of the ranging reference surface 9 is +/-0.02 mm, the pressing reference surface 27 is the upper surface of a 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 measurement accuracy.
Preferably, the pressing reference surface 27 is connected with an overpressure preventing block 11, the overpressure preventing block 11 is made of nylon blocks or POM, and the thickness of the overpressure preventing block 11 is equal to or greater than +10mm of the product 13 to be measured. The number of the overpressure preventing blocks 11 is two, and the product 13 to be measured is accommodated between the two overpressure preventing blocks 11. The servo pressing mechanism 1 slowly descends, and after the contact type displacement sensor 6 arranged on the pressing reference surface 27 touches the product 13 to be tested, the pressing is automatically stopped, so that the overvoltage block 11 is prevented from protecting the battery cell from being overvoltage. In the whole process that the servo pressing mechanism 1 slowly descends, the laser ranging system continuously ranges until the pressing is stopped, after the ranging is finished, ranging data are fed back to the controller for recording, the controller compares the testing data with set theoretical data, calculates deviation, judges whether the testing data are qualified products or not, and transmits the result 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 remove on the guide rail, and rodless cylinder moves the slip table and removes. The sliding table guide rail mechanism 10 further comprises a proximity switch, the proximity switch detects the sliding table in place, and the proximity switch is arranged at two end surfaces of the ranging reference surface 9; the proximity switch is connected with the controller. The sliding table is acted outside the equipment through the rodless cylinder, the product 13 to be measured is placed on the ranging reference surface 9 by the external actuating mechanism, the sliding table is provided with an in-place detection proximity switch, the product 13 to be measured can be detected to be in place, the bottom of the product 13 to be measured is contacted with the high-precision contact type displacement sensor 8, and the product 13 to be measured is acted below the pressing reference surface 27 through the rodless cylinder. After the contact type displacement sensor 8 arranged on the ranging reference surface 9 touches the product 13 to be measured, the laser ranging system automatically calibrates and returns to zero, and the laser ranging system starts ranging at the position where the system calibrates to zero as the origin of ranging.
Preferably, two first vertical plates 22 are oppositely arranged on the test platform, the ranging reference surface 9, the pressing reference surface 27 and the laser ranging system are located between the two first vertical plates 22, the top ends of the two first vertical plates 22 are connected with first transverse plates 14, the servo pressing mechanism 1 comprises a servo motor, a moving plate 19 and a pressing rod 17, the pressing rod 17 is driven by the servo motor to press downwards, the servo motor is arranged above the first transverse plates 14, the pressing rod 17 extends to the lower side of the first transverse plates 14, the upper end of a second reference block with the 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 moving plate 19 are connected to the two support plates 23, and in particular, clamping grooves are formed in the support plates 23, and two ends of the moving plate 19 extend into the clamping grooves of the two support plates 23 respectively. The pressing rod 17 presses down to drive the moving plate 19 to move, and the moving plate 19 drives the pressing reference surface 27 to move; the laser distance meter is arranged on the second transverse plate 15.
Preferably, a bump 21 is arranged on the lower surface of the moving plate 19, a pressure sensor 7 is arranged at the lower end of the bump 21, a contact type displacement sensor 6 is arranged on the second transverse plate 15 and opposite to the pressure sensor 7, a protection block 20 is arranged on the periphery of the contact type displacement sensor 6, the second transverse plate 15 is connected with a first sliding block, a first slideway is vertically arranged on the first vertical plate 22, and the first sliding block can slide on the first slideway; 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 upwards remove too much. If the second diaphragm 15 moves too much upward, the distance between the pressing reference surface 27 and the ranging reference surface 9 is excessively large, which affects the measurement efficiency. The pressure sensor 7 is connected with the controller. In the process of slowly descending ranging of the servo pressing mechanism 1, besides the overpressure preventing mechanism (overpressure preventing block 11) is designed, the servo pressing mechanism is also integrated with a pressure sensor 7, and when overpressure or foreign matters exist, the equipment can automatically stop for protection.
Preferably, the floating connecting mechanism further 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 transverse plate 14, the top ends of the two second vertical plates 25 are connected with a third transverse 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 to the lower part of 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 transverse plate 14, the guide cylinder 18 or the guide pin 26 penetrates through the first transverse plate 14, the baffle plate 24 is arranged on the upper surface of the guide hole and used for blocking the guide pin 26 to move, the lower pressure rod 17 sequentially penetrates through the third transverse plate 3, the top plate 16 and the first transverse plate 14, the top plate 16 is connected with a second sliding block, a second sliding way is vertically arranged on the second vertical plate 25, and the second sliding block can slide on the second sliding way. The floating connecting mechanism with the structure can provide support for the slow descending ranging process of the servo pressing mechanism 1.
The two support plates 23 and the moving plate 19 are also in a floating connection design, the pressing rod 17 presses down to drive the moving plate 19 to move, and the moving plate 19 drives the pressing reference surface 27 to move.
The first slideway and the first sliding block are structures with horizontal perpendicularity, the floating connecting mechanism is also structures with horizontal perpendicularity, and two structures with own horizontal perpendicularity under the upper part (the floating connecting mechanism) of the same connecting system (the first slideway and the first sliding block) are arranged in the same connecting system, so that the requirement on the manufacturing precision of equipment is very high if bolting is used. In addition, two groups of vertical sliding mechanisms are arranged in the same connecting system and belong to over-constraint design, so that the movable plate 19 (matched with the two support plates 23) is designed into floating connection design, the guide pin 26 or the first slideway and the first sliding block can be effectively prevented from being clamped in the running process of the equipment, the processing precision requirement on the equipment can be reduced, and the cost is saved.
The device 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 alarms, and the like, so that the working efficiency and the yield are improved.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:
1) The sliding table is acted outside the equipment through the rodless cylinder, the product 13 to be measured is placed on the ranging reference surface 9 by the external actuating mechanism, the sliding table is provided with an in-place detection proximity switch, the product 13 to be measured can be detected to be in place, the bottom of the product 13 to be measured is contacted with the high-precision contact type displacement sensor 8, and the product 13 to be measured is acted below the pressing reference surface 27 through the rodless cylinder.
2) After the contact type displacement sensor 8 arranged on the ranging reference surface 9 touches the product 13 to be measured, the laser ranging system 12 automatically marks and returns to zero, and the laser ranging system starts ranging at the position where the system marks to zero as the origin of ranging.
3) The servo pressing mechanism 1 slowly descends, and after the contact type displacement sensor 8 arranged on the pressing reference surface 27 touches the product 13 to be tested, the pressing is automatically stopped, so that the overvoltage block 11 is prevented from protecting the battery cell from being overvoltage. In the whole process that the servo pressing mechanism 1 slowly descends, the laser ranging system continuously ranges until the pressing is stopped, after the ranging is finished, ranging data are fed back to the controller for recording, the controller compares the testing data with set theoretical data, calculates deviation, judges whether the testing data are qualified products or not, and transmits the result to a display (an electronic billboard) for operators to check and manage.
4) The servo pressing mechanism 1 slowly descends the ranging process, has the overpressure preventing mechanism in addition to the design, and is also integrated with a pressure sensor 7, and when overpressure or foreign matters exist, the equipment can be automatically stopped for protection.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The equipment for automatically measuring the thickness in the lithium battery industry is characterized by comprising a controller, a servo pressing mechanism, a ranging reference surface, a pressing reference surface, a contact type displacement sensor and a laser ranging system,
the product to be measured is placed on the ranging reference surface, the servo pressing mechanism controls the pressing reference surface to move to the upper surface of the product to be measured,
the ranging reference surface is provided with a first contact type displacement sensor,
a second contact 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 finish thickness measurement of the product to be measured;
the controller is connected with the servo pressing mechanism, the first contact type displacement sensor, the second contact type displacement sensor and the laser ranging system,
the ranging reference surface is the upper surface of the first reference block,
the ranging reference surface is a workbench for placing the product to be measured, the first reference block is made of stainless steel or marble, the flatness of the ranging reference surface is +/-0.02 mm,
the pressing reference surface is the lower surface of the second reference block,
the second reference block is made of stainless steel or marble, the flatness of the pressing reference surface is +/-0.02 mm,
the test platform is also included, the first reference block is arranged on the test platform,
two first vertical plates are oppositely arranged on the test platform, the ranging reference surface, the pressing reference surface and the laser ranging system are all positioned 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 part of the first transverse plate,
the upper end of the 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, the two ends of the moving plate are connected with the two support plates, the moving plate is matched with the two support plates to form floating connection,
the support plate is provided with clamping grooves, two ends of the movable plate respectively extend into the clamping grooves of the two support plates,
the pressing rod presses down to drive the moving plate to move, and the moving plate drives the pressing reference surface to move;
the second transverse plate is connected with a first sliding block, a first slideway is vertically arranged on the first vertical plate, and the first sliding block can slide on the first slideway;
a limiting block is arranged above the first slideway and is arranged on the first vertical plate,
the device also comprises a floating connecting mechanism, wherein 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 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 to move,
the lower pressure bar 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 slideway is vertically arranged on the second vertical plate, the second sliding block can slide on the second slideway,
the lower surface of the moving plate is provided with a bump, the lower end of the bump is provided with a pressure sensor,
the second contact displacement sensor is arranged on the second transverse plate and at a position opposite to the pressure sensor,
the periphery of the second contact type displacement sensor is provided with a protection block,
the pressure sensor is connected with the controller.
2. The apparatus for automatically measuring thickness in lithium battery industry according to claim 1, wherein the pressing reference surface is connected with an overpressure preventing block,
the thickness of the anti-over-pressing blocks is more than or equal to +10mm of the thickness of the product to be tested, two anti-over-pressing blocks are arranged, and the product to be tested is accommodated between the two anti-over-pressing blocks.
3. The apparatus for automatically measuring thickness in lithium battery industry according to claim 2, wherein,
the material of the anti-overpressure block is nylon block or POM.
4. The apparatus for automatically measuring thickness in lithium battery industry according to claim 1, further comprising a slide rail mechanism comprising a slide, a rail, and a rodless cylinder,
the distance measurement datum plane is arranged on the sliding table, the sliding table can move on the guide rail, and the rodless cylinder acts on the sliding table to move.
5. The apparatus for automatically measuring thickness in lithium battery industry according to claim 4, wherein,
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 ranging reference surface;
the proximity switch is connected with the controller.
6. The apparatus for automatically measuring thickness in lithium battery industry according to claim 1, wherein,
the laser ranging system is arranged on the second transverse plate.
7. The apparatus for automatically measuring thickness in lithium battery industry according to claim 1, further comprising a display and an alarm,
the display and the alarm are both connected with the controller.
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 |
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| 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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| Publication Number | Publication Date |
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| CN114993192A CN114993192A (en) | 2022-09-02 |
| CN114993192B true CN114993192B (en) | 2023-05-26 |
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| CN115265388A (en) * | 2022-09-30 | 2022-11-01 | 苏州佳祺仕信息科技有限公司 | Soft package battery thickness measuring device and method |
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| CN102230789A (en) * | 2011-05-27 | 2011-11-02 | 深圳市高能精密机械有限公司 | Flatness measuring instrument of high-speed railway steel rail and measuring surface positioning method thereof |
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| CN201438114U (en) * | 2009-07-24 | 2010-04-14 | 北京华力兴科技发展有限责任公司 | Vehicle chassis inspection system |
| CN102513501B (en) * | 2011-12-26 | 2013-12-04 | 江铃汽车股份有限公司 | Vertical typing flaskless molding die with pressure-tight blocks |
| KR102095358B1 (en) * | 2017-02-24 | 2020-03-31 | 주식회사 엘지화학 | Apparatus for measuring thickness of battery materials |
| CN107063097B (en) * | 2017-03-23 | 2023-05-23 | 东莞智富五金制品有限公司 | High-efficiency intelligent detection method and equipment without damaging product appearance in detection process |
| CN110966946A (en) * | 2019-11-08 | 2020-04-07 | 东莞市超业精密设备有限公司 | Thickness gauge |
| CN111780677A (en) * | 2020-08-07 | 2020-10-16 | 昆山明益信智能设备有限公司 | Laminate polymer battery thickness measurement check out test set |
| CN213661129U (en) * | 2020-09-25 | 2021-07-09 | 杭州双久金属科技有限公司 | Electric power cable anti-stamping protection frame |
| CN215952429U (en) * | 2021-07-22 | 2022-03-04 | 合肥国轩高科动力能源有限公司 | Device for testing thicknesses of battery cores of power lithium batteries with different constraint forces |
| CN216410083U (en) * | 2021-10-19 | 2022-04-29 | 苏州玻色智能科技有限公司 | Soft product thickness detection device |
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| CN102230789A (en) * | 2011-05-27 | 2011-11-02 | 深圳市高能精密机械有限公司 | Flatness measuring instrument of high-speed railway steel rail and measuring surface positioning method thereof |
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Address after: No. 1, Chuneng Avenue, Lingang Economic Zone, Xiaogan City, Hubei Province, 430051 Patentee after: CORNEX NEW ENERGY Co.,Ltd. Address before: 430051 No. 1, Longyang Third Road, Hanyang District, Wuhan City, Hubei Province Patentee before: CORNEX NEW ENERGY Co.,Ltd. |