CN217541864U - Utmost point ear thickness measuring device - Google Patents

Abstract

The utility model belongs to the technical field of the battery production is made, concretely relates to utmost point ear thickness measuring device, including air-vent valve and a plurality of contact sensor, each contact sensor has detecting head, digital display unit and pneumatic unit respectively, detecting head and digital display unit communication connection, and the output of pneumatic unit communicates in the detecting head, and each detecting head is separated by and predetermines the distance setting, and the input of each pneumatic unit communicates respectively in the air-vent valve. The utility model discloses can realize the measurement of multiple spot location and can accurately judge the bad condition that utmost point ear dislocation, utmost point ear that produce produced turn over a book, utmost point ear disappearance etc. to the utmost point ear to the detection efficiency of the naked electric core quality in coiling back has been improved effectively.

Description

Utmost point ear thickness measuring device

Technical Field

The utility model belongs to the technical field of battery production makes, concretely relates to utmost point ear thickness measuring device.

Background

Nowadays, as a novel secondary battery, the lithium ion battery has the advantages of high energy density and power density, high working voltage, light weight, small volume, long cycle life, good safety, environmental protection and the like, and has wide application prospects in the aspects of portable electric appliances, electric tools, large-scale energy storage, electric traffic power supplies and the like. And in the production process of battery, receive the angle of smoothing the board, set up the influence of factors such as the winding speed of distance, winder, the utmost point ear that produces among the winding process drops, the too soft hem of positive pole ear, supplied materials utmost point ear disappearance, often can lead to appearing the bad circumstances such as utmost point ear dislocation, utmost point ear book, utmost point ear disappearance, cause the phenomenon that the coiling electricity core formed bad electric core.

At present, the manual visual inspection is carried out after winding to check the lug condition so as to pick out a defective battery cell in the industry, but the scheme at least has the following defects: firstly, manually turning a tab to check the tab state of a battery cell and judge whether the battery cell is a defective product, so that the working efficiency is low; secondly, the detection rate of manual visual inspection is low, and the detection accuracy is difficult to guarantee. Therefore, a technical solution to solve the above problems is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a not enough to prior art, provides a utmost point ear thickness measuring device, and it can realize the measurement of multiple spot position and can accurately judge the bad condition such as utmost point ear dislocation, utmost point ear turn over and turn over, utmost point ear disappearance that produce in-process.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a tab thickness measuring device comprises:

the touch type touch screen comprises a plurality of touch sensors, a touch screen and a display unit, wherein each touch sensor is respectively provided with a detecting head, a digital display unit and a pneumatic unit, the detecting heads are in communication connection with the digital display unit, the communication connection mode comprises electric connection and wireless connection, the output end of the pneumatic unit is communicated with the detecting heads, and the detecting heads are arranged at intervals of a preset distance;

and the input end of each pneumatic unit is respectively communicated with the pressure regulating valve.

Preferably, the pressure regulating valve is arranged on the seat body, the seat body is provided with a plurality of guide brackets, and each of the contact sensors is arranged on each of the guide brackets.

Preferably, each guide bracket penetrates through the seat body from the height direction of the seat body, each guide bracket is respectively sleeved on each contact sensor, and the number of the contact sensors is equal to that of the guide brackets.

Preferably, the base is disposed on a detection platform, and each of the probe heads extends from each of the guide brackets to the detection platform.

Preferably, the parallelism of the upper and lower surfaces of the detection platform is less than 0.02um, and the flatness of the upper surface of the detection platform is less than 0.05um.

Preferably, each contact sensor has the main control unit respectively, digital display unit with pneumatic unit communication connection respectively in the main control unit, communication connection's mode is including electricity connection and wireless connection, digital display unit is used for showing the detecting head compresses tightly utmost point ear and the thickness value that measures to utmost point ear, pneumatic unit is used for the drive under the pressure regulating of air-vent valve the axial displacement of detecting head, the main control unit is used for the regulation and control pneumatic unit's operation, and can with the utmost point ear thickness value that digital display unit shows uploads to in the corresponding data processor.

Preferably, the master control unit is connected with an alarm in a communication manner, the master control unit can control the alarm to send out an alarm signal, and the communication connection mode comprises electric connection and wireless connection.

Preferably, the pedestal is provided with the pressure regulating controller, each the input of pneumatic unit respectively through the solenoid valve communicate in the air-vent valve, each solenoid valve respectively communication connection in the pressure regulating controller, communication connection's mode includes electricity and wireless connection, the pressure regulating controller is used for control pneumatic unit with the air-vent valve passes through the condition of switching on of solenoid valve, the solenoid valve is through receiving pressure regulating controller's control signal and control pneumatic unit with gas circuit intercommunication between the air-vent valve or closing, pneumatic unit with the quantity of solenoid valve equals.

Preferably, the pedestal is provided with the inductor, the inductor with pressure regulating controller communication connection, communication connection's mode is including electricity connection and wireless connection, the inductor is used for responding to the position of the electric core that awaits measuring, and to pressure regulating controller feedback sensing signal, so that pressure regulating controller controls according to corresponding sensing signal pneumatic unit with the air-vent valve passes through the condition of switching on of solenoid valve.

Preferably, testing platform is provided with the conveyer belt, one side of conveyer belt is provided with the transfer roller, the transfer roller is connected in the output of driver, the driver is used for the drive the rotation of transfer roller to drive the transmission of conveyer belt.

Preferably, the detection platform is provided with a transmission controller, the transmission controller is in communication connection with the input end of the driver, the communication connection mode comprises electric connection and wireless connection, and the transmission controller is used for regulating and controlling the operation condition of the driver, so that the conveyor belt can realize intermittent transmission.

Preferably, the number of the contact sensors is 3-11, the probe head of each contact sensor is provided with a rod part and a contact end, the contact end is arranged at one end of the rod part facing to the electric core electrode lug, and the pneumatic unit can drive the probe head to axially stretch and move under the pressure regulating control of the pressure regulating valve.

The beneficial effects of the utility model reside in that, the utility model discloses an air-vent valve and a plurality of contact sensor, each contact sensor has the detecting head respectively, digital display unit and pneumatic unit, the detecting head is used for the thickness of contact induction core utmost point ear, the output of pneumatic unit communicates in the detecting head, each pneumatic unit's input communicates respectively in the air-vent valve, pneumatic unit is used for driving the axial displacement of detecting head under the pressure regulating of air-vent valve, can effectively improve the efficiency that detects through pneumatic unit drive detecting head, and simultaneously, detecting head and digital display unit communication connection, digital display unit is used for showing that the detecting head compresses tightly electric core utmost point ear and measures the thickness value to electric core utmost point ear, wherein, each detecting head is separated by and is predetermines the distance setting, a plurality of detecting heads are separated by and are set up the multiple spot position that can realize electric core utmost point ear and are connected touch thickness measurement, thickness value through different positions measure can go out utmost point ear dislocation high-efficiently accurately, utmost point ear, the bad condition of a utmost point ear disappearance etc., thereby the mode of artifical visual inspection has been replaced.

Drawings

Features, advantages and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is an assembly structure view of the pressure regulating valve, the seat body, the guide bracket, the pressure regulating controller and the inductor according to the first embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a touch sensor according to the present invention.

Fig. 4 is a second schematic structural diagram of a touch sensor according to the present invention.

Fig. 5 is a schematic structural diagram of a detection platform and a transmission module according to a second embodiment of the present invention.

Fig. 6 is a flowchart illustrating operation of the third embodiment of the present invention.

Wherein the reference numerals are as follows:

1-a touch sensor; 11-a probe head; 12-a digital display unit; 13-a pneumatic unit; 14-a master control unit; 15-an alarm; 2-a pressure regulating valve; 3-a base body; 4-a guide bracket; 5-detection platform; 6-voltage regulation controller; 7-a sensor; 51-a conveyor belt; 52-a transfer roll; 53-a driver; 54-transport controller.

Detailed Description

As some terms are used throughout the description and claims to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. The present specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, detachable connections, or integrally connected; the connection can be mechanical connection, electric connection or wireless connection; they may be directly connected or indirectly connected through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

The existing detection modes of the bad conditions of tab dislocation, tab turnover, tab missing and the like are to check the tab state of a battery cell and judge whether the tab is a bad product or not by manually turning the tab. In the visual inspection process, a step of manually carrying the battery cell may exist, the risk of damage to the battery cell exists, and the manual visual inspection speed is low, so that the production cost is high. Therefore, the utility model provides an efficiency of scheme in order to improve the detection of automated inspection utmost point ear thickness.

The present invention will be described in further detail with reference to fig. 1 to 6, but the present invention is not limited thereto.

Implementation mode one

The first embodiment will be described with reference to fig. 1 to 4

The tab thickness measuring device comprises a plurality of contact sensors 1, each contact sensor 1 is respectively provided with a detecting head 11, a digital display unit 12 and a pneumatic unit 13, each detecting head 11 is arranged at a preset distance, the detecting heads 11 are used for contacting the thickness of a sensing core tab, the detecting heads 11 are in communication connection with the digital display unit 12, and the digital display unit 12 is used for displaying the thickness value measured by the detecting heads 11 on the core tab by pressing the core tab; in addition, in order to enable the detecting head 11 to be capable of automatically pressing down, the output end of the pneumatic unit 13 is communicated with the detecting head 11, the input end of each pneumatic unit 13 is respectively communicated with the pressure regulating valve 2, and the pneumatic unit 13 is used for driving the detecting head 11 to axially move under the pressure regulating of the pressure regulating valve 2, so that the battery cell tabs can be pressed down while a plurality of detecting heads 11 are used, and multi-point contact type automatic thickness measurement can be carried out on the battery cell tabs.

Specifically, the inside of the detecting head 11 is communicated with the pneumatic unit 13 through an air passage, the pneumatic unit 13 can be an air cylinder, the inside of the detecting head 11 is provided with a light source, a grating ruler and a pulse signal receiving processor which are sequentially arranged, the digital display unit 12 comprises a display screen and a display circuit which are connected, and the pulse signal receiving processor can transmit a measured parameter value to the digital display unit 12, so that the detecting head 11 can visually observe the reading of the thickness of the electrode lug of the battery cell in the display screen of the digital display unit 12 in the displacement process.

Referring to fig. 2, in the utmost point ear thickness measuring device according to the utility model discloses an air-vent valve 2 sets up in pedestal 3, and pedestal 3 is provided with a plurality of guide brackets 4, and each contact sensor 1 sets up respectively in each guide bracket 4, and wherein, contact sensor 1 equals with the quantity of guide brackets 4, and pedestal 3 can regard as the mounting fixture of air-vent valve 2 and guide brackets 4.

And, pedestal 3 sets up in testing platform 5's upper surface, guide bracket 4 runs through and sets up in pedestal 3's top, each detecting head 11 extends to testing platform 5's upper surface from each guide bracket 4 respectively, wherein, testing platform 5's the upper and lower surface's depth of parallelism is less than 0.02um, testing platform 5's the upper surface's depth of flatness is less than 0.05um, testing platform 5 can adopt the marble, the electric core that awaits measuring is placed in testing platform 5's upper surface, each detecting head 11 can be followed testing platform 5's top and is pushed down to the utmost point ear of electric core is automatic simultaneously, and then the thickness of each position of electric core utmost point ear is measured to the multiple spot synchronously.

Referring to fig. 4, in the tab thickness measuring device according to the present invention, each of the contact sensors 1 has a main control unit 14, and the digital display unit 12 and the pneumatic unit 13 are respectively in communication connection with the main control unit 14.

Specifically, the main control unit 14 has a first control chip for regulating and controlling the operation of the pneumatic unit 13, the main control unit 14 has a second control chip for controlling data transmission of the digital display unit 12, the first control chip and the second control chip may be ATC control chips, and the second control chip may upload data of the tab thickness value to an external corresponding data processor.

The main control unit 14 may have a signal processor, so that the calculation of the difference between the maximum value and the minimum value of the measurement can be realized under the condition that each main control unit 14 is connected, and the adverse conditions of tab dislocation, tab folding, tab missing and the like can be efficiently and accurately judged.

Referring to fig. 4, according to the utility model discloses an utmost point ear thickness measuring device, 14 communication connection of main control unit have alarm 15, and wherein, alarm 15 can be audible-visual annunciator, light alarm or audible-visual annunciator, and when the signal processor of main control unit 14 judged the bad condition that utmost point ear dislocation, utmost point ear turned over a book, utmost point ear disappearance etc., signal processor can send alarm signal to alarm 15 to detect unusual electric core more efficiently.

Referring to fig. 2, according to the utility model discloses an utmost point ear thickness measuring device, pedestal 3 is provided with pressure regulating controller 6, each pneumatic unit 13's input communicates in air-vent valve 2 through the solenoid valve respectively, each solenoid valve is communication connection in pressure regulating controller 6 respectively, wherein, pneumatic unit 13 equals with the quantity of solenoid valve, pressure regulating controller 6 can adopt the industrial computer, pressure regulating controller 6 is used for controlling the condition of switching on of each solenoid valve, and then the condition of switching on of air-vent valve 2 with each pneumatic unit 13 has been controlled, thereby the solenoid valve has controlled the gas circuit intercommunication between pneumatic unit 13 and the air-vent valve 2 or has closed through the control signal who receives pressure regulating controller 6.

Referring to fig. 2, according to the utility model discloses an utmost point ear thickness measuring device, pedestal 3 is provided with inductor 7, inductor 7 and pressure regulating controller 6 communication connection, and inductor 7 can adopt non-contact sensor, and inductor 7 is used for responding to the position of the electric core that awaits measuring to can feed back the sensing signal to pressure regulating controller 6, so that pressure regulating controller 6 controls the condition of switching on of pneumatic unit 13 and air-vent valve 2 through the solenoid valve according to corresponding sensing signal. After a battery cell is placed at a station to be tested, the sensor 7 detects the battery cell so as to enable the voltage regulation controller 6 to operate, the voltage regulation controller 6 controls the electromagnetic valve to be opened, the pressure regulating valve 2 inputs compressed air to the pneumatic unit 13, the pneumatic unit 13 drives the detecting head 11 to press a battery cell lug, and the digital display unit 12 displays the thickness of the battery cell lug; after the battery core is moved out of the station to be tested, the inductor 7 sends a closing signal to the voltage regulating controller 6, the voltage regulating controller 6 controls the electromagnetic valve to be closed, the probe 11 automatically resets, and the display numerical value of the digital display unit 12 is reset.

In the tab thickness measuring device according to the present invention, the number of the contact sensors 1 may be 3 to 11, wherein the model of the contact sensor 1 may be a keyence GT2-a12 (K) sensor.

The utility model discloses a theory of operation is: the detecting heads 11 can compress the battery cell tabs to measure the thickness values of the battery cell tabs, the digital display unit 12 can display the thickness values measured by the detecting heads 11, and the detecting heads 11 are arranged at preset intervals to realize multi-point contact thickness measurement of the battery cell tabs; when the reading of each digital display unit 12 is in a normal range, it indicates that the battery cell tab is good; when the readings of the digital display units 12 exceed the normal range and are larger, it is indicated that the battery cell tabs are turned over; when the readings of the digital display units 12 exceed the normal range and are smaller, it is indicated that the battery cell tabs are defective in tab loss; when the reading of the digital display unit 12 corresponding to the measuring point close to the edge is smaller, it indicates that the poor phenomenon of electrode lug dislocation occurs in the electrode lug of the battery cell.

Second embodiment

The difference from the first embodiment is that: referring to fig. 5, testing platform 5 of this embodiment is provided with the conveying module, the conveying module includes conveyer belt 51, conveying roller 52 and driver 53, conveyer belt 51 is used for conveying electric core, the artifical transport electric core of having avoided and there is the risk that causes the damage to electric core, conveyer belt 51 sets up in testing platform 5's upper surface, driver 53 sets up in testing platform 5's lateral part, conveying roller 52 sets up in one side of conveyer belt 51, conveying roller 52 connects in driver 53's output, wherein, driver 53 can be the motor, the rotation through driver 53 drive conveying roller 52, thereby can make conveying roller 52 drive conveyer belt 51 to the transmission of electric core.

According to the utility model discloses an among the utmost point ear thickness measuring device, testing platform 5 still is provided with transmission controller 54, and transmission controller 54 can adopt MCU treater, ARM treater or PLC controller, and transmission controller 54 communication connection is in the input of driver 53, and wherein, transmission controller 54 is used for regulating and control driver 53's operational aspect for conveyer belt 51 can realize intermittent type conveying.

Other structures are the same as those of the first embodiment, and are not described herein again.

Third embodiment

The difference from the second embodiment is that: referring to fig. 6, the transmission controller 54 of the present embodiment is electrically connected to the sensor 7, the sensor 7 is a correlation sensor, when the sensor 7 senses that the battery cell reaches the measurement point, the sensor 7 feeds back a sensing signal to the transmission controller 54, so that the transmission controller 54 controls the driver 53 to pause, the battery cell stops at the station to be measured, and meanwhile, the contact sensor 1 performs contact detection on the tab of the battery cell, thereby measuring the thickness of the tab of the battery cell.

Other structures are the same as those of the second embodiment, and are not described herein again.

Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, such terms are used for convenience of description and are not to be construed as limiting the invention in any way.

Claims (10)

1. A pole lug thickness measuring device is characterized by comprising:

the touch sensor comprises a plurality of touch sensors (1), wherein each touch sensor (1) is respectively provided with a detecting head (11), a digital display unit (12) and a pneumatic unit (13), the detecting heads (11) are in communication connection with the digital display unit (12), the output end of the pneumatic unit (13) is communicated with the detecting heads (11), and the detecting heads (11) are arranged at preset intervals;

and the input end of each pneumatic unit (13) is respectively communicated with the pressure regulating valve (2).

2. The tab thickness measuring device according to claim 1, wherein: the pressure regulating valve (2) is arranged on the seat body (3), the seat body (3) is provided with a plurality of guide supports (4), and each contact type sensor (1) is arranged on each guide support (4) respectively.

3. The tab thickness measuring device according to claim 2, wherein: the base body (3) is arranged on the detection platform (5), and the detection heads (11) extend from the guide supports (4) to the detection platform (5) respectively.

4. A tab thickness measuring device as claimed in claim 1 or 2, wherein: each touch sensor (1) is provided with a main control unit (14), and the digital display unit (12) and the pneumatic unit (13) are respectively in communication connection with the main control unit (14).

5. The tab thickness measuring device according to claim 4, wherein: the main control unit (14) is in communication connection with an alarm (15).

6. A tab thickness measuring device as claimed in claim 2 or 3, wherein: the base body (3) is provided with a pressure regulating controller (6), the input ends of the pneumatic units (13) are respectively communicated with the pressure regulating valve (2) through electromagnetic valves, and the electromagnetic valves are respectively in communication connection with the pressure regulating controller (6).

7. The tab thickness measuring device according to claim 6, wherein: the base body (3) is provided with an inductor (7), and the inductor (7) is in communication connection with the voltage regulation controller (6).

8. The tab thickness measuring device according to claim 3, wherein: testing platform (5) are provided with conveyer belt (51), one side of conveyer belt (51) is provided with transfer roller (52), transfer roller (52) are connected in the output of driver (53).

9. The tab thickness measuring device according to claim 8, wherein: the detection platform (5) is provided with a transmission controller (54), and the transmission controller (54) is in communication connection with the input end of the driver (53).

10. A tab thickness measuring device as claimed in any one of claims 1 to 3, wherein: the number of the contact sensors (1) is 3-11.

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