Lithium battery diaphragm casting thickness detection device

Abstract

The invention discloses a lithium battery diaphragm casting thickness detection device, and relates to the field of lithium battery diaphragm detection, the lithium battery diaphragm casting thickness detection device comprises a mounting frame plate and a diaphragm, the mounting frame plate is arranged in a C shape, the mounting frame plate is located at the diaphragm, one side of the inner top of the mounting frame plate is welded with a mounting shell, the bottom wall of the mounting shell is provided with a through groove, and three friction rollers are arranged in the mounting shell. The three friction rollers are arranged in a triangular shape, the outer wall of one friction roller makes contact with the upper surface of the diaphragm through a through groove, the three friction rollers are sleeved with water absorption cloth, a cleaning shell is welded to the center line of the inner top of the mounting shell, strip-shaped penetrating holes are formed in the two side walls of the cleaning shell, and the water absorption cloth penetrates through the cleaning shell through the two penetrating holes. The center of the bottom of the cleaning shell is communicated with a guide pipe, and the guide pipe sequentially penetrates through the mounting shell and the mounting frame plate and extends to the outside, water existing on the surface of a diaphragm can be cleaned during thickness detection, the situation that the propagation speed and light intensity of laser are affected by the water is avoided, and the detection accuracy is ensured.

Description

Technical Field

[0001] The present invention mainly relates to the technical field of lithium battery diaphragm detection, and specifically to a lithium battery diaphragm casting thickness detection device. Background Art

[0002] Lithium-ion battery separator is an important component of lithium-ion batteries, and its quality is directly related to the safety and performance of the battery. Therefore, it is very important to carry out quality inspection and control of lithium-ion battery separators, among which the casting thickness inspection of lithium-ion battery separators is one of the important quality control indicators.

[0003] The thickness detection of lithium battery diaphragm casting in the prior art mainly adopts photoelectric detection head for detection. The probe of the laser thickness gauge moves along the direction of the production line. The optical encoder on the probe receives the light signal between the probe and the lithium battery diaphragm, and calculates the displacement of the probe according to the change of the light signal. The motion control system drives the probe to perform high-speed and high-precision scanning on the surface of the lithium battery diaphragm according to the displacement of the probe. The tiny deformation between the probe of the laser thickness gauge and the lithium battery diaphragm will be captured by the optical encoder, and the thickness of the lithium battery diaphragm passing by will be detected.

[0004] Although the above technology can monitor the thickness of lithium battery diaphragm casting in real time and continuously, the coating materials, adhesives, solvents and other substances contain moisture during the lithium battery diaphragm casting process. In addition, under high temperature and high pressure environment, some of the moisture may evaporate, and some of it will be captured and remain on the diaphragm surface. The moisture will affect the propagation speed and light intensity of the laser, resulting in inaccurate detection results. Summary of the invention

[0005] Based on this, the purpose of the present invention is to provide a lithium battery diaphragm casting thickness detection device to solve the technical problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions: A lithium battery diaphragm casting thickness detection device, comprising a mounting frame and a diaphragm, the mounting frame is C-shaped, the mounting frame is located at the diaphragm, a mounting shell is welded on one side of the inner top of the mounting frame, a through groove is provided on the bottom wall of the mounting shell, three friction rollers are provided in the mounting shell, the three friction rollers are triangularly arranged, the outer wall of one friction roller contacts the upper surface of the diaphragm through the through groove, absorbent cloth is sleeved on the three friction rollers, a cleaning shell is welded at the inner top center line of the mounting shell, strip-shaped through holes are provided on both side walls of the cleaning shell, the absorbent cloth passes through the cleaning shell through two through holes, a guide pipe is connected at the bottom center of the cleaning shell, the guide pipe passes through the mounting shell and the mounting frame in sequence and extends to the outside, three water spray pipes are located above the absorbent cloth in the cleaning shell, the lower surfaces of the three water spray pipes are provided with a plurality of nozzles, a cleaning component is provided between the absorbent cloth and the three water spray pipes, and the cleaning component is used to clean the absorbent cloth; The mounting frame is located on one side of the mounting shell and is symmetrically provided with electric telescopic cylinders. The two electric telescopic cylinders are respectively arranged on the upper surface and the lower surface of the diaphragm. The telescopic end surfaces of the two electric telescopic cylinders are respectively fixed with laser thickness gauges and detectors by bolts.

[0007] The technical solution is specific, that both ends of the three friction rollers are rotatably connected to the mounting shell through a shaft rod, a protective shell is fixed to a side of the mounting shell away from the back plate of the mounting frame plate, a fixed motor is installed on the inner wall of the protective shell through bolts, a rotating shaft is rotatably installed on the inner wall of the protective shell located on one side of the fixed motor, a transmission sprocket is fixedly sleeved on the fixed motor and the rotating shaft, the two transmission sprockets are connected through a transmission chain, and the output end of the fixed motor and the rotating shaft pass through the mounting shell and are fixedly connected to the shaft rod.

[0008] Specifically, a trapezoidal extrusion block is mirror-imaged in one of the perforations, the bottom ends of the two trapezoidal extrusion blocks are fixedly connected to the top wall and the bottom of the perforation, and the top ends of the two trapezoidal extrusion blocks are in extrusion contact with the upper and lower surfaces of the absorbent cloth.

[0009] The technical solution is specific, and the cleaning component includes a supporting mesh plate located below the absorbent cloth, and the two sides of the lower surface of the supporting mesh plate are fixedly connected to the inner bottom wall of the cleaning shell through supporting rods, and a scrubbing plate is provided inside the cleaning shell above the absorbent cloth, and movable plates are fixed on both sides of the upper surface of the scrubbing plate, and a first screw rod is passed through the two movable plates, and lifting blocks and sliding blocks are respectively provided at both ends of the two first screw rods, and the end faces of the two lifting blocks and the sliding blocks are respectively in contact with the inner wall of the cleaning shell, and a second screw rod is vertically passed through the two lifting blocks, and a transmission shaft is provided below the two second screw rods, and the top ends of the two transmission shafts are transmission-connected to the second screw rod through a magnetic coupler, and the two magnetic couplers are fixedly connected to the inner wall of the cleaning shell.

[0010] Specifically, the bottom end of one of the transmission shafts is connected to a driving motor, and mounting plates are provided under the driving motor and the other transmission shaft. The outer wall on one side of the mounting plate is fixedly connected to the inner wall of the cleaning shell, and the driving motor is fixedly connected to the mounting plate by bolts. The bottom end of the other transmission shaft is rotatably connected to the mounting plate, and the outer walls of one side of the two first screw rods close to the lifting block are fixedly sleeved with a first bevel gear, and the two transmission shafts are fixedly sleeved with a second bevel gear, and the first bevel gear is meshingly connected with the second bevel gear.

[0011] Specifically, a drive sprocket is fixed on the two transmission shafts between the magnetic coupler and the second bevel gear, the two drive sprockets are connected by a drive chain transmission, and vertical slide rails are fixed on the inner wall of the cleaning shell at two sliders, and the two sliders are slidably connected to the slide rails.

[0012] Specifically, a water tank is fixed to the outer wall of the back plate of the mounting frame, and one end of each of the water spray pipes is connected to a water supply pipe. The three water supply pipes successively penetrate the cleaning shell, the mounting shell and the back plate of the mounting frame and extend to the inside of the water tank. Three water pumps are provided inside the water tank and are respectively connected to the water supply pipes.

[0013] Specifically, the bottom of the cleaning shell and the inner bottom wall of the mounting shell are provided with drying plates, and the two drying plates are respectively located at the upper and lower surfaces of the absorbent cloth and are in an inclined state.

[0014] Specifically, the outer walls on both sides of the cleaning shell and the inner wall of the mounting shell are symmetrically fixed with support frames, and the top of each support frame is fixedly connected to the drying plate.

[0015] Specifically, the two electric telescopic cylinders are fixed to the outer wall of the back plate of the mounting frame by bolts, and the laser thickness gauge cooperates with the detector.

[0016] In summary, the present invention mainly has the following beneficial effects: the present invention can clean the moisture on the surface of the diaphragm during the flow-through thickness detection of the lithium battery diaphragm, so as to prevent the moisture from affecting the propagation speed and light intensity of the laser, and at the same time, the attached dust can be cleaned together when cleaning the moisture, so as to prevent the dust particles from absorbing and scattering the laser light, so that part of the light cannot penetrate and be received by the detector, thereby ensuring the accuracy of the detection; First, the device is moved to the diaphragm so that the absorbent cloth exposed from the mounting shell contacts the upper surface of the diaphragm. When testing the thickness, two electric telescopic cylinders, a laser thickness gauge and a detector are started. The moving diaphragm passes through the absorbent cloth so that the absorbent cloth removes moisture and dust on the surface. The removed diaphragm passes through the laser thickness gauge and the detector. At this time, under the action of the electric telescopic cylinder, the laser thickness gauge and the detector move horizontally. The detected data is transmitted to the computer to output the test results, which are displayed in real time on the touch screen interface. Then the fixed motor works to drive the two friction rollers to rotate through the transmission sprocket, so that the absorbent cloth moves, and part of the absorbed water and wiped dust moves into the cleaning shell. At this time, the water pump works to send clean water into the water spray pipe through the water supply pipe, and sprays it from the nozzle to the absorbent cloth. At this time, the driving motor works to drive the two transmission shafts to rotate synchronously through the driving sprocket. The two transmission shafts drive the second screw to rotate through the magnetic coupling. Under the restriction of the slide rail and the slider, the lifting block drives the first screw to move downward along the rotation of the second screw. The first screw drives the scrubbing plate to move downward through the moving plate. The scrubbing plate contacts the absorbent cloth and is restricted by the supporting mesh plate. At the same time, the first bevel gear engages with the second bevel gear. Under the action of the magnetic coupling, the second screw stops, and the first screw rotates to drive the moving plate to drive the scrubbing plate to move. The moving scrubbing plate scrubs the absorbent cloth being cleaned to complete the cleaning of the absorbent cloth. Finally, when the absorbent cloth is moved next time, the cleaned part of the absorbent cloth moves to between the two drying plates for drying to ensure drying for subsequent absorption of moisture on the diaphragm. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the detection device of the present invention; Figure 2 It is a front cross-sectional structural diagram of the present invention; Figure 3 This is a diagram showing the internal structure of the cleaning shell of the present invention; Figure 4 A schematic diagram of a cleaning shell of the present invention; Figure 5 It is a schematic diagram of a water spray pipe of the present invention; Figure 6 It is an enlarged view of point A of the present invention; Figure 7 It is a structural diagram of the cleaning component of the present invention.

[0018] Description of the drawings: 1. Mounting frame; 101. Mounting shell; 1011. Through slot; 102. Protective shell; 2. Diaphragm; 3. Electric telescopic cylinder; 301. Laser thickness gauge; 302. Detector; 4. Friction roller; 401. Absorbent cloth; 402. Shaft; 403. Drive sprocket; 404. Drive chain; 405. Fixed motor; 406. Rotating shaft; 5. Cleaning shell; 501. Guide tube; 502. Trapezoidal extrusion block; 503. Perforation; 6. Cleaning assembly; 601. Support mesh plate; 6011. Support Rod; 602, scrubbing plate; 6021, moving plate; 603, first screw rod; 6031, lifting block; 6032, slider; 6033, first bevel gear; 604, second screw rod; 605, magnetic coupler; 606, transmission shaft; 6061, second bevel gear; 6062, driving motor; 607, driving sprocket; 608, driving chain; 609, mounting plate; 7, slide rail; 8, water spray pipe; 801, nozzle; 802, water supply pipe; 803, water tank; 9, support frame plate; 901, drying plate. DETAILED DESCRIPTION

[0019] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0020] The following describes an embodiment of the present invention based on its overall structure. Example

[0021] All electrical components in the present application are remotely controlled by an external controller, and the laser thickness gauge 301 and the detector 302 are remotely connected to a computer for real-time transmission of detected information.

[0022] See also Figure 1-7As shown, a lithium battery diaphragm casting thickness detection device includes a mounting frame plate 1 and a diaphragm 2, the mounting frame plate 1 is arranged in a C shape, the mounting frame plate 1 is located at the diaphragm 2, a mounting shell 101 is welded on one side of the inner top of the mounting frame plate 1, a through groove 1011 is provided on the bottom wall of the mounting shell 101, three friction rollers 4 are provided in the mounting shell 101, the three friction rollers 4 are arranged in a triangular shape, the outer wall of one of the friction rollers 4 contacts the upper surface of the diaphragm 2 through the through groove 1011, and absorbent cloth 401 is sleeved on the three friction rollers 4, a cleaning shell 5 is welded at the center line of the inner top of the mounting shell 101, both side walls of the cleaning shell 5 are provided with strip-shaped through holes 503, the absorbent cloth 401 penetrates the cleaning shell 5 through two through holes 503, a trapezoidal extrusion block 502 is mirror-imaged in one of the through holes 503, and the two trapezoidal extrusion blocks 502 are mirror-imaged in the two through holes 503. The bottom ends of the trapezoidal extrusion blocks 502 are fixedly connected to the top wall and the bottom of the perforation 503, the top ends of the two trapezoidal extrusion blocks 502 are squeezed and contacted with the upper surface and the lower surface of the absorbent cloth 401, and the two ends of the three friction rollers 4 are rotatably connected to the mounting shell 101 through the shaft 402, and the side of the mounting shell 101 away from the back plate of the mounting frame plate 1 is fixed with a protective shell 102, and the inner wall of the protective shell 102 is fixed with a fixed motor 405 through bolts, and the inner wall of the protective shell 102 is rotatably installed with a rotating shaft 406 located on one side of the fixed motor 405, and the fixed motor 405 and the rotating shaft 406 are fixedly sleeved with a transmission sprocket 403, and the two transmission sprockets 403 are transmission-connected through a transmission chain 404, and the output end of the fixed motor 405 and the rotating shaft 406 are both through the mounting shell 101 and are fixedly connected with the shaft 402; A guide pipe 501 is connected at the center of the bottom of the cleaning shell 5, and the guide pipe 501 sequentially penetrates the mounting shell 101 and the mounting frame 1 and extends to the outside. There are three water spray pipes 8 located above the absorbent cloth 401 in the cleaning shell 5, and the lower surfaces of the three water spray pipes 8 are each provided with a plurality of nozzles 801. A water tank 803 is fixed to the outer wall of the back plate of the mounting frame 1, and one end of each of the water spray pipes 8 is connected to a water supply pipe 802. The three water supply pipes 802 sequentially penetrate the cleaning shell 5, the mounting shell 101 and the back plate of the mounting frame 1 and extend to the inside of the water tank 803. 03 is provided with three water pumps inside and connected with the water supply pipe 802 respectively, a cleaning assembly 6 is provided between the absorbent cloth 401 and the three water spray pipes 8, the cleaning assembly 6 is used to clean the absorbent cloth 401, a drying plate 901 is provided below the cleaning shell 5 and the inner bottom wall of the mounting shell 101, the two drying plates 901 are respectively located at the upper and lower surfaces of the absorbent cloth 401 and are in an inclined state, the outer walls on both sides of the cleaning shell 5 and the inner wall of the mounting shell 101 are symmetrically fixed with support frame plates 9, and the top of each support frame plate 9 is fixedly connected with the drying plate 901 respectively; The mounting frame 1 is located on one side of the mounting shell 101 and is symmetrically provided with electric telescopic cylinders 3. The two electric telescopic cylinders 3 are respectively arranged on the upper surface and the lower surface of the diaphragm 2. The telescopic end surfaces of the two electric telescopic cylinders 3 are respectively fixed with a laser thickness gauge 301 and a detector 302 by bolts. The two electric telescopic cylinders 3 are both fixed to the outer wall of the back plate of the mounting frame 1 by bolts, and the laser thickness gauge 301 cooperates with the detector 302.

[0023] When testing the thickness of the lithium battery diaphragm casting, the staff first moves the mounting frame 1 of the device to the diaphragm 2, so that the absorbent cloth 401 exposed from the mounting shell 101 contacts the upper surface of the diaphragm 2. At this time, both ends of the diaphragm 2 are transported by conveying rollers. When testing the thickness, the controller remotely starts the two electric telescopic cylinders 3, the laser thickness gauge 301 and the detector 302. The moving diaphragm 2 passes through the absorbent cloth 401, so that the absorbent cloth 401 removes the moisture and dust on its surface. At this time, the telescopic ends of the two electric telescopic cylinders 3 respectively drive the laser thickness gauge 301 and the detector 302 to move horizontally, transmit the detected data to the computer, output the test results, and display them in real time on the touch screen interface; After the diaphragm 2 passes through the absorbent cloth 401 for a period of time, the remote controller starts the fixed motor 405 through the input program, and the output end of the fixed motor 405 drives the connected shaft 406 to rotate, so that the installed transmission sprocket 403 rotates, and drives another transmission sprocket 403 and the shaft 406 to rotate through the transmission chain 404. The two shafts 406 drive the friction roller 4 to rotate through the connected shaft rod 402, and the rotation of the friction roller 4 drives the absorbent cloth 401 to move, and the part originally in contact with the diaphragm 2 moves into the installation shell 101 and enters the cleaning shell 5. At this time, the water pump in the water tank 803 works, and the clean water is sent to the water spray pipe 8 through the water supply pipe 802, and then sprayed from a plurality of nozzles 801 to The absorbent cloth 401 below soaks it, and at this time the descending component in the cleaning component 6 works, so that the actuator in the cleaning component 6 contacts the upper surface of the absorbent cloth 401, and then the pushing component works, so that the actuator of the cleaning component 6 pushes on the soaked absorbent cloth 401, so as to clean the dust on the absorbent cloth 401, and the cleaned waste water is discharged through the guide pipe 501, and when the absorbent cloth 401 is moved next time, the cleaned absorbent cloth 401 may still be in a wet and soaked state, and the water in the absorbent cloth 401 can be squeezed through the two trapezoidal squeezing blocks 502, and it will be moved to the two drying plates 901 for drying and high-temperature sterilization operations, to ensure drying so as to absorb the moisture on the diaphragm 2 later; Therefore, the present application can clean the moisture on the surface of the diaphragm 2 when detecting the thickness of the lithium battery diaphragm flow, so as to prevent the moisture from affecting the propagation speed and light intensity of the laser. At the same time, the attached dust can also be cleaned when cleaning the moisture, so as to prevent the dust particles from absorbing and scattering the laser light, making part of the light unable to penetrate and be received by the detector 302, thereby ensuring the accuracy of the detection.

[0024] See also Figure 2 , Figure 3 , Figure 6 and Figure 7 As shown, the cleaning component 6 includes a supporting mesh plate 601 located below the absorbent cloth 401, and the two sides of the lower surface of the supporting mesh plate 601 are fixedly connected to the inner bottom wall of the cleaning shell 5 through support rods 6011. A scrubbing plate 602 is provided inside the cleaning shell 5 above the absorbent cloth 401, and movable plates 6021 are fixed on both sides of the upper surface of the scrubbing plate 602. The two movable plates 6021 are both penetrated by a first screw rod 603, and the two ends of the two first screw rods 603 are respectively provided with A lifting block 6031 and a slider 6032, the end faces of the two lifting blocks 6031 and the slider 6032 are in contact with the inner wall of the cleaning shell 5 respectively, the two lifting blocks 6031 are vertically penetrated with a second screw rod 604, the lower parts of the two second screw rods 604 are provided with a transmission shaft 606, the top ends of the two transmission shafts 606 are connected to the second screw rod 604 through a magnetic coupler 605, and the two magnetic couplers 605 are fixedly connected to the inner wall of the cleaning shell 5; The bottom end of one of the transmission shafts 606 is connected to a driving motor 6062, and a mounting plate 609 is provided below the driving motor 6062 and the other transmission shaft 606. The outer wall of one side of the mounting plate 609 is fixedly connected to the inner wall of the cleaning shell 5. The driving motor 6062 is fixedly connected to the mounting plate 609 by bolts, and the bottom end of the other transmission shaft 606 is rotatably connected to the mounting plate 609. The outer wall of one side of the two first screw rods 603 close to the lifting block 6031 is fixedly sleeved with a first bevel gear 6033. , the two transmission shafts 606 are fixedly sleeved with a second bevel gear 6061, the first bevel gear 6033 is meshedly connected with the second bevel gear 6061, and a driving sprocket 607 is fixed on the two transmission shafts 606 between the magnetic coupler 605 and the second bevel gear 6061, and the two driving sprockets 607 are connected by a driving chain 608, and the inner wall of the cleaning shell 5 is fixed with vertical slide rails 7 at the two sliders 6032, and the two sliders 6032 are slidably connected to the slide rails 7.

[0025] The driving motor 6062 in the cleaning component 6 works, and its output end drives the connected transmission shaft 606 to rotate, and the transmission shaft 606 drives the installed driving sprocket 607 to rotate, and the driving sprocket 607 drives another driving sprocket 607 to rotate through the driving sprocket 608, so that the two transmission shafts 606 rotate at the same time, and the rotational force is transmitted to the second screw rod 604 through the magnetic coupler 605. Under the restriction of the slide rail 7 and the slider 6032, the lifting block 6031 drives the first screw rod 603 to move downward along the rotation of the second screw rod 604, and the first screw rod 603 drives the scrubbing plate 602 to move downward through the moving plate 6021, so that the scrubbing plate 602 contacts the upper surface of the absorbent cloth 401, and under the restriction of the supporting mesh plate 601, it can prevent the scrubbing plate 602 from excessively pressing the absorbent cloth 401, and at this time, the first bevel gear 6033 on the two first screw rods 603 is meshed with the second bevel gear 6061; At this time, the two second screw rods 604 stop rotating due to supporting the mesh plate 601, and the driving motor 6062 can continue to work through the magnetic coupler 605. At this time, the second bevel gear 6061 drives the first bevel gear 6033 to rotate, and the first bevel gear 6033 drives the first screw rod 603 to rotate. The first screw rod 603 drives the moving plate 6021 to drive the scrubbing plate 602 to move, and the moving scrubbing plate 602 scrubs the absorbent cloth 401 being cleaned to complete the cleaning of the absorbent cloth 401.

[0026] The working principle of the present invention is: When testing the thickness of the lithium battery diaphragm casting, the staff first moves the mounting frame 1 of the device to the diaphragm 2, so that the absorbent cloth 401 exposed from the mounting shell 101 contacts the upper surface of the diaphragm 2. At this time, both ends of the diaphragm 2 are transported by conveying rollers. When testing the thickness, the controller remotely starts the two electric telescopic cylinders 3, the laser thickness gauge 301 and the detector 302. The moving diaphragm 2 passes through the absorbent cloth 401, so that the absorbent cloth 401 removes the moisture and dust on its surface. At this time, the telescopic ends of the two electric telescopic cylinders 3 respectively drive the laser thickness gauge 301 and the detector 302 to move horizontally, transmit the detected data to the computer, output the test results, and display them in real time on the touch screen interface; After the diaphragm 2 passes through the absorbent cloth 401 for a period of time, the remote controller starts the fixed motor 405 through the input program, and the output end of the fixed motor 405 drives the connected rotating shaft 406 to rotate, so that the installed transmission sprocket 403 rotates, and drives another transmission sprocket 403 and the rotating shaft 406 to rotate through the transmission chain 404. The two rotating shafts 406 drive the friction roller 4 to rotate through the connected shaft rod 402, and the rotation of the friction roller 4 drives the absorbent cloth 401 to move, and the part originally in contact with the diaphragm 2 moves into the installation shell 101 and enters the cleaning shell 5. At this time, the water pump in the water tank 803 works, and the clean water is sent into the water spray pipe 8 through the water supply pipe 802, and then sprayed from a plurality of nozzles 801 to the absorbent cloth 401 below to soak it; At this time, the driving motor 6062 in the cleaning component 6 works, and its output end drives the connected transmission shaft 606 to rotate, and the transmission shaft 606 drives the installed driving sprocket 607 to rotate, and the driving sprocket 607 drives another driving sprocket 607 to rotate through the driving sprocket 608, so that the two transmission shafts 606 rotate at the same time, and the rotational force is transmitted to the second screw rod 604 through the magnetic coupler 605. Under the restriction of the slide rail 7 and the slider 6032, the lifting block 6031 drives the first screw rod 603 to move downward along the rotation of the second screw rod 604, and the first screw rod 603 drives the scrubbing plate 602 to move downward through the moving plate 6021, so that the scrubbing plate 602 contacts the upper surface of the absorbent cloth 401, and under the restriction of the supporting mesh plate 601, it can prevent the scrubbing plate 602 from excessively pressing the absorbent cloth 401, and at this time, the first bevel gear 6033 on the two first screw rods 603 is meshed with the second bevel gear 6061; At this time, the two second screw rods 604 stop rotating due to the support mesh plate 601, and the driving motor 6062 can continue to work through the magnetic coupler 605. At this time, the second bevel gear 6061 drives the first bevel gear 6033 to rotate, and the first bevel gear 6033 drives the first screw rod 603 to rotate. The first screw rod 603 drives the moving plate 6021 to drive the scrubbing plate 602 to move, and the moving scrubbing plate 602 scrubs the water-absorbing cloth 401 being cleaned, so as to complete the cleaning of the water-absorbing cloth 401; The cleaned waste water is discharged through the guide pipe 501. When the absorbent cloth 401 is moved next time, the cleaned absorbent cloth 401 may still be in a wet and soaked state. The water in the absorbent cloth 401 can be squeezed through two trapezoidal squeezing blocks 502, and it will be moved to the two drying plates 901 for drying and high-temperature sterilization operations to ensure drying so as to absorb the moisture on the diaphragm 2 later.

[0027] Although an embodiment of the present invention has been shown and described, this specific embodiment is merely an explanation of the present invention and is not a limitation of the invention. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the present invention. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A lithium battery diaphragm casting thickness detection device, comprising a mounting frame plate (1) and a diaphragm (2), characterized in that The mounting frame (1) is arranged in a C-shape. The mounting frame (1) is located at the diaphragm (2). A mounting shell (101) is welded to one side of the inner top of the mounting frame (1). A through groove (1011) is provided on the bottom wall of the mounting shell (101). Three friction rollers (4) are arranged in the mounting shell (101). The three friction rollers (4) are arranged in a triangular shape. The outer wall of one friction roller (4) contacts the upper surface of the diaphragm (2) through the through groove (1011). The three friction rollers (4) are covered with absorbent cloth (401). A cleaning shell (5) is welded at the center line of the inner top of the mounting shell (101). The cleaning shell (5) Both side walls are provided with strip-shaped through-holes (503); the absorbent cloth (401) passes through the cleaning shell (5) through the two through-holes (503); a guide pipe (501) is connected to the center of the bottom of the cleaning shell (5); the guide pipe (501) passes through the mounting shell (101) and the mounting frame plate (1) in sequence and extends to the outside; three water spray pipes (8) are located above the absorbent cloth (401) in the cleaning shell (5); a plurality of spray heads (801) are provided on the lower surfaces of the three water spray pipes (8); a cleaning component (6) is provided between the absorbent cloth (401) and the three water spray pipes (8); the cleaning component (6) is used to clean the absorbent cloth (401); The mounting frame plate (1) is located on one side of the mounting housing (101) and is symmetrically provided with electric telescopic cylinders (3) at the top and bottom. The two electric telescopic cylinders (3) are respectively arranged on the upper surface and the lower surface of the diaphragm (2). The telescopic end surfaces of the two electric telescopic cylinders (3) are respectively fixed with a laser thickness gauge (301) and a detector (302) by bolts.

2. A lithium battery diaphragm casting thickness detection device according to claim 1, characterized in that: Both ends of the three friction rollers (4) are rotatably connected to the mounting shell (101) via a shaft (402); a protective shell (102) is fixed to a side of the mounting shell (101) away from the back plate of the mounting frame plate (1); a fixed motor (405) is mounted on the inner wall of the protective shell (102) via bolts; a rotating shaft (406) is rotatably mounted on the inner wall of the protective shell (102) located on one side of the fixed motor (405); a transmission sprocket (403) is fixedly sleeved on the fixed motor (405) and the rotating shaft (406); the two transmission sprockets (403) are transmission-connected via a transmission chain (404); and the output end of the fixed motor (405) and the rotating shaft (406) both penetrate the mounting shell (101) and are fixedly connected to the shaft (402).

3. A lithium battery diaphragm casting thickness detection device according to claim 1, characterized in that: A trapezoidal extrusion block (502) is mirror-imaged in one of the perforations (503), the bottom ends of the two trapezoidal extrusion blocks (502) are fixedly connected to the top wall and the bottom of the perforation (503), and the top ends of the two trapezoidal extrusion blocks (502) are in extrusion contact with the upper surface and the lower surface of the absorbent cloth (401).

4. A lithium battery diaphragm casting thickness detection device according to claim 1, characterized in that: The cleaning assembly (6) comprises a supporting mesh plate (601) located below the water-absorbing cloth (401); both sides of the lower surface of the supporting mesh plate (601) are fixedly connected to the inner bottom wall of the cleaning shell (5) via supporting rods (6011); a scrubbing plate (602) is provided inside the cleaning shell (5) above the water-absorbing cloth (401); both sides of the upper surface of the scrubbing plate (602) are fixed with movable plates (6021); a first screw rod (603) is passed through the two movable plates (6021); and both ends of the two first screw rods (603) are provided with lifting and lowering means. A lowering block (6031) and a sliding block (6032), the end faces of the two lifting blocks (6031) and the sliding block (6032) are respectively in contact with the inner wall of the cleaning shell (5), the two lifting blocks (6031) are vertically penetrated by a second screw rod (604), the lower parts of the two second screw rods (604) are provided with a transmission shaft (606), the top ends of the two transmission shafts (606) are transmission-connected to the second screw rod (604) via a magnetic coupler (605), and the two magnetic couplers (605) are fixedly connected to the inner wall of the cleaning shell (5).

5. A lithium battery diaphragm casting thickness detection device according to claim 4, characterized in that: The bottom end of one of the transmission shafts (606) is connected to a driving motor (6062), and a mounting plate (609) is provided below the driving motor (6062) and the other transmission shaft (606). The outer wall of one side of the mounting plate (609) is fixedly connected to the inner wall of the cleaning shell (5), and the driving motor (6062) is fixedly connected to the mounting plate (609) by bolts. The bottom end of the other transmission shaft (606) is rotatably connected to the mounting plate (609), and the outer walls of one side of the two first screw rods (603) close to the lifting block (6031) are fixedly sleeved with a first bevel gear (6033), and the two transmission shafts (606) are fixedly sleeved with a second bevel gear (6061), and the first bevel gear (6033) is meshingly connected with the second bevel gear (6061).

6. A lithium battery diaphragm casting thickness detection device according to claim 5, characterized in that: A driving sprocket (607) is fixed on each of the two transmission shafts (606) between the magnetic coupler (605) and the second bevel gear (6061); the two driving sprockets (607) are connected to each other by a driving chain (608); vertical slide rails (7) are fixed on each of the two sliders (6032) on the inner wall of the cleaning shell (5); and the two sliders (6032) are connected to the slide rails (7) in a sliding manner.

7. A lithium battery diaphragm casting thickness detection device according to claim 1, characterized in that: A water tank (803) is fixed to the outer wall of the back plate of the mounting frame (1), and one end of each of the water spray pipes (8) is connected to a water supply pipe (802). The three water supply pipes (802) successively penetrate the cleaning shell (5), the mounting shell (101) and the back plate of the mounting frame (1) and extend to the inside of the water tank (803). Three water pumps are arranged inside the water tank (803) and are respectively connected to the water supply pipes (802).

8. A lithium battery diaphragm casting thickness detection device according to claim 1, characterized in that: A drying plate (901) is provided below the cleaning shell (5) and on the inner bottom wall of the mounting shell (101). The two drying plates (901) are respectively located on the upper and lower surfaces of the absorbent cloth (401) and are in an inclined state.

9. A lithium battery diaphragm casting thickness detection device according to claim 8, characterized in that: Support frames (9) are symmetrically fixed to both side outer walls of the cleaning shell (5) and the inner wall of the mounting shell (101), and the top end of each support frame plate (9) is fixedly connected to a drying plate (901).

10. A lithium battery diaphragm casting thickness detection device according to claim 1, characterized in that: The two electric telescopic cylinders (3) are both fixed to the outer wall of the back plate of the mounting frame plate (1) by means of bolts, and the laser thickness gauge (301) cooperates with the detector (302).

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