阅读说明：本技术 锂离子电池电极膜片制造设备 (Lithium ion battery electrode diaphragm manufacturing equipment ) 是由 董清世 张正飞 秦猛 于 2019-10-30 设计创作，主要内容包括：本申请属于锂离子电池制造设备技术领域,尤其涉及一种锂离子电池电极膜片制造设备,包括在线测厚装置、涂布控制装置、涂布成膜装置和传送机构,在线测厚装置和涂布成膜装置均对应传送机构的传送路径设置,涂布控制装置用于根据在线测厚装置所测得的膜片厚度信息控制涂布成膜装置调整涂料的喷涂量。在线测厚装置实现对电极膜片的实时厚度测量,并将测量结果实时反馈至涂布控制装置,涂布控制装置则可对在线测厚装置所反馈的电极膜片的膜片厚度信息进行分析,一旦发现该厚度信息偏离涂布控制装置内预设的中心值,则可向涂布成膜装置发出指令,控制涂布成膜装置实时调整涂料的喷涂量,如此便实现了对电极膜片厚度的监测、分析和调整的闭环控制。(The application belongs to the technical field of lithium ion battery manufacturing equipment, and particularly relates to lithium ion battery electrode membrane manufacturing equipment which comprises an online thickness measuring device, a coating control device, a coating film forming device and a conveying mechanism, wherein the online thickness measuring device and the coating film forming device are arranged corresponding to a conveying path of the conveying mechanism, the coating control device is used for controlling the coating film forming device to adjust the spraying amount of a coating according to membrane thickness information measured by the online thickness measuring device, the online thickness measuring device is used for measuring the thickness of an electrode membrane in real time and feeding back the measurement result to the coating control device in real time, the coating control device is used for analyzing the membrane thickness information of the electrode membrane fed back by the online thickness measuring device, and can send an instruction to the coating film forming device after finding that the thickness information deviates from a central value preset in the coating control device, and control the coating film forming device to adjust the spraying amount of the coating in real time, so that closed-loop control over the monitoring, analysis and adjustment of the thickness of the electrode.)

lithium ion battery electrode diaphragm manufacturing equipment is characterized by comprising an online thickness measuring device for detecting the thickness of an electrode diaphragm, a coating control device electrically connected with the online thickness measuring device, a coating film forming device for spraying coating on the electrode diaphragm and a conveying mechanism for conveying the electrode diaphragm, wherein the online thickness measuring device and the coating film forming device are arranged corresponding to a conveying path of the conveying mechanism, and the coating control device is electrically connected with the coating film forming device and used for controlling the coating film forming device to adjust the spraying amount of the coating according to the thickness information of the diaphragm measured by the online thickness measuring device.

2. The lithium ion battery electrode membrane manufacturing apparatus according to claim 1, characterized in that: the online thickness measuring device is a laser thickness measuring device, the laser thickness measuring device comprises two opposite laser sensors and a data receiving module, the two opposite laser sensors are arranged on the upper side and the lower side of the conveying path respectively and are electrically connected with the data receiving module, and the data receiving module is electrically connected with the coating control device.

3. The lithium ion battery electrode membrane manufacturing apparatus according to claim 2, characterized in that: the laser thickness measuring device further comprises a cooling device used for conveying cooling media to the two correlation laser sensors, and the two correlation laser sensors are connected with the cooling device.

4. The lithium ion battery electrode membrane manufacturing apparatus according to claim 2, characterized in that: the laser thickness measuring device further comprises an edge, the width direction of the electrode diaphragm is arranged and corresponds to the linear module arranged on the conveying path and is fixed on the connecting frame body on the linear module, the connecting frame body comprises two opposite mounting sides, the two opposite laser sensors are respectively fixed on the two mounting sides, a gap for the electrode diaphragm to pass through is formed between the two mounting sides, and the linear module drives the two opposite laser sensors to move along the width direction of the electrode diaphragm.

5. The lithium ion battery electrode membrane manufacturing apparatus of claim 4, wherein: the connecting frame body is a C-shaped frame, and the two mounting sides are formed at two opposite ends of the C-shaped frame respectively.

6. The lithium ion battery electrode membrane manufacturing apparatus of claim 4, wherein: the connecting frame body is an aluminum magnesium alloy frame body.

7. The lithium ion battery electrode membrane manufacturing apparatus according to claim 2, characterized in that: the laser thickness measuring device further comprises two linear modules which are arranged along the width direction of the electrode diaphragm, the two linear modules are respectively located on the upper side and the lower side of the transmission path, the two correlation laser sensors are respectively arranged on the two linear modules, and the two linear modules drive the corresponding correlation laser sensors to synchronously move along the width direction of the battery diaphragm.

8. The lithium ion battery electrode membrane manufacturing apparatus according to claim 1, characterized in that: the online thickness measuring device is an X-ray thickness measuring device, the X-ray thickness measuring device comprises an X-ray emission source and a receiving detection head, the X-ray emission source and the receiving detection head are respectively arranged on the upper side and the lower side of the conveying path, and the receiving detection head is electrically connected with the coating control device.

9. The apparatus for manufacturing lithium ion battery electrode membrane of any of claims 1-8, wherein the conveying mechanism comprises a glue roller assembly and a driving mechanism, the glue roller assembly and the driving mechanism are in transmission connection and form the conveying path.

10. The lithium ion battery electrode membrane manufacturing equipment according to claim 9, wherein the rubber roller assembly comprises two th rubber rollers and a second rubber roller, the second rubber roller is in transmission connection with the driving mechanism and is arranged corresponding to the coating and film forming device, and the two th rubber rollers are in butt joint and are both in transmission connection with the driving mechanism;

or the two th rubber rollers are abutted, and th rubber rollers are in transmission connection with the driving mechanism.

Technical Field

The application belongs to the technical field of lithium ion battery manufacturing equipment, and particularly relates to lithium ion battery electrode diaphragm manufacturing equipment.

Background

The new energy lithium ion battery has the advantages of high energy density, good cycle life, high voltage, environmental protection and the like, and achieves rapid development in the fields of power, energy storage and the like.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings according to these drawings without any creative effort.

Fig. 1 is a schematic structural diagram of an apparatus for manufacturing an electrode membrane of a lithium ion battery according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of an on-line thickness measuring device of an electrode diaphragm manufacturing apparatus for a lithium ion battery provided in an embodiment of the present application;

fig. 3 is a schematic structural diagram ii of an on-line thickness measuring device of lithium ion battery electrode membrane manufacturing equipment according to an embodiment of the present application;

fig. 4 is a schematic structural diagram three of an online thickness measuring device of lithium ion battery electrode membrane manufacturing equipment provided in the embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

10-online thickness measuring device 11-correlation laser sensor 12-connecting frame body

13-avoiding gap 14-linear module 15-receiving detection head

16-X-ray emission source 20-coating control device 30-coating film forming device

40-conveying mechanism 41-rubber roller component 42- th rubber roller

43-second rubber roller 50-electrode diaphragm.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-4 are exemplary and intended to be used to illustrate the present application and should not be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be considered as limiting.

Thus, a feature defined as "", "second" may explicitly or implicitly include or more of that feature.

In this application, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like shall be construed , as meaning either fixed or removable, or , mechanically or electrically, directly or indirectly through an intermediary device, whether internal or external to two elements, or whether interacting with one another.

As shown in FIGS. 1-3, the present application provides lithium ion battery electrode membrane manufacturing equipment, including an online thickness measuring device 10 for detecting the thickness of an electrode membrane 50, a coating control device 20 electrically connected to the online thickness measuring device 10, a coating film forming device 30 for spraying a coating on the electrode membrane 50, and a conveying mechanism 40 for conveying the electrode membrane 50, wherein the online thickness measuring device 10 and the coating film forming device 30 are both disposed corresponding to a conveying path of the conveying mechanism 40, the coating control device 20 and the coating film forming device 30 are electrically connected and are used for controlling the coating film forming device 30 to adjust the spraying amount of the coating according to the membrane thickness information measured by the online thickness measuring device 10, wherein the coating control device 30 may be specifically an industrial personal computer or the like, the online thickness measuring device 10 is disposed upstream of the conveying path, the coating film forming device 30 is disposed downstream of the conveying path, so that after the thickness detection of the electrode membrane 50 by the online thickness measuring device 10 is completed, the coating film forming device 30 performs the operation of spraying the coating on the electrode membrane 50 according to the detection result of the online thickness measuring device 10, the coating film forming device 30 may perform the operation of spraying on the coating film membrane 50 according to the detection of the online thickness measuring device 10, and the coating film forming device 30 may perform the operation of the coating film forming device including the online thickness measuring device, and performing the operation of the coating film forming device, and performing the operation of the coating film forming device after the coating film forming device, and performing the operation of the.

, when the manufacturing apparatus of the lithium ion battery electrode membrane provided by the embodiment of the present application works, the conveying mechanism 40 conveys the electrode membrane 50 to the on-line thickness measuring device 10 and the coating film forming device 30 along the conveying path thereof, the on-line thickness measuring device 10 realizes the real-time thickness measurement of the electrode membrane 50 and feeds back the measurement result to the coating control device 20 in real time, the coating control device 20 can analyze the membrane thickness information of the electrode membrane 50 fed back by the on-line thickness measuring device 10, and the coating control device 20 can send an instruction to the coating film forming device 30 to control the coating amount of the coating material adjusted by the coating film forming device 30 in real time when finding that the thickness information deviates from the central value preset in the coating control device 20, so as to realize the closed-loop control of the monitoring, analyzing and adjusting the thickness of the electrode membrane 50, and further realize the real-time monitoring and effective control of the thickness of the electrode membrane 50 in the production and the consistency.

In another embodiments of the present application, as shown in fig. 1 to 3, the on-line thickness measuring device 10 is a laser thickness measuring device, the laser thickness measuring device includes two opposite laser sensors 11 and a data receiving module, the two opposite laser sensors 11 are respectively disposed on the upper and lower sides of the conveying path and are electrically connected to the data receiving module, and the data receiving module is electrically connected to the coating control device 20.

, when the laser thickness measuring device works specifically, the two correlation laser sensors 11 disposed on the upper and lower sides of the transmission path can emit laser beams to the upper end face and the lower end face of the electrode film 50 transmitted via the transmission path, respectively, and transmit the feedback time of the laser beams back to the data receiving module, the data receiving module collects the signals transmitted back by the two correlation laser sensors 11, converts the signals into electric signals recording the thickness information of the electrode film 50, and transmits the electric signals to the coating control device 20, after receiving the electric signals transmitted back by the data receiving module, the coating control device 20 can compare the thickness information recorded by the electric signals with the center value of the electrode film 50 stored in itself, and if the thickness information deviates from the center value, the coating control device 20 can control the coating film forming device 30 to increase or decrease the coating amount of the coating material at the position corresponding to the electrode film 50.

In another embodiments of the present application, as shown in fig. 1 to 3, the laser thickness measuring device further includes a cooling device for conveying a cooling medium to the two-shot laser sensor 11, and the two-shot laser sensor 11 is connected to the cooling device, specifically, the cooling device conveys the cooling medium to the two-shot laser sensor 11, so as to implement a real-time cooling process for the two-shot laser sensor 11, and ensure stable operation of the two-shot laser sensor 11.

Optionally, a refrigerant circulation loop is formed between the cooling device and the two-shot laser sensor 11, so that the circulation supply of the cooling medium of the two-shot laser sensor 11 can be realized, the cooling and heat dissipation efficiency of the two-shot laser sensor 11 is improved in the aspect of , the circulation utilization of the cooling medium is also realized in the aspect of , and the waste of the cooling medium is avoided.

Alternatively, the cooling medium may be a cooling liquid, and by specifically selecting the cooling medium as the cooling liquid, the heat dissipation and cooling effect of the cooling medium can be significantly improved, and step ensures stable operation of the two-shot laser sensor 11.

Optionally, the casing of the dual-emission laser sensor 11 is provided with a plurality of pin-fin heat dissipation fins, and the refrigerant circulation loop is inserted and wound between the pin-fin heat dissipation fins, so that the heat dissipation performance of the dual-emission laser sensor 11 is improved by steps by arranging the pin-fin heat dissipation fins, and the refrigerant circulation loop is inserted and wound between the pin-fin heat dissipation fins, so that the refrigerant circulation loop can timely take away heat dissipated by the pin-fin heat dissipation fins, and further the heat dissipation performance of the dual-emission laser sensor 11 is optimized.

In another embodiments of the present application, as shown in fig. 2, the laser thickness measuring device further includes a linear module 14 disposed along the width direction of the electrode membrane 50 and corresponding to the conveying path, and a connection frame 12 fixed on the linear module 14, where the connection frame 12 includes two opposite mounting sides, the two reflection laser sensors 11 are respectively fixed on the two mounting sides, a clearance gap 13 for the electrode membrane 50 to pass through is formed between the two mounting sides, and the linear module 14 drives the two reflection laser sensors 11 to move along the width direction of the electrode membrane 50 through the connection frame 12. specifically, by disposing the linear module 14 along the width direction of the electrode membrane 50, the linear module 14 can drive the two reflection laser sensors 11 to move along the width direction of the electrode membrane 50 synchronously through the connection frame 12, so that the thickness measurement of any point position of the electrode membrane 50 in the width direction is realized, so that the accuracy of the thickness measurement of the electrode membrane 50 is further improved .

In another embodiments of the present application, as shown in fig. 2, the connecting frame body 12 is a C-shaped frame, and two mounting sides are formed at two opposite ends of the C-shaped frame, specifically, the connecting frame body 12 is a C-shaped frame, so that the C-shaped frame has a clearance gap by itself due to the curved shape of the C-shaped frame, and no additional clearance gap 13 is required to be formed, meanwhile, the two opposite ends of the C-shaped frame are two mounting sides that are opposite to each other, and no additional mounting side is required to be formed on the connecting frame body 12, so that the manufacturing difficulty and cost of the connecting frame body 12 are significantly reduced, and the connecting frame body 12 is easy to be manufactured by body molding, so as to ensure the overall strength of the connecting frame body 12.

In another embodiments of the present application, the connection frame body 12 is a magnesium aluminum alloy frame body, specifically, the connection frame body 12 is set as a magnesium aluminum alloy frame body, so that the magnesium aluminum alloy frame body has the characteristics of light weight and good mechanical strength, so that the work of the linear module 14 is also significantly reduced on the basis of ensuring the mechanical strength of the connection frame body 12, and the energy consumption is saved.

In another embodiments of the present application, as shown in fig. 3, the laser thickness measuring device further includes two linear modules 14 arranged along the width direction of the electrode membrane 50, the two linear modules 14 are respectively located at the upper and lower sides of the transmitting path, the two opposite laser sensors 11 are respectively disposed on the two linear modules 14, and the two linear modules 14 drive the corresponding opposite laser sensors 11 to synchronously move along the width direction of the battery membrane 50. specifically, as another implementation manner for driving the two opposite laser sensors 11, by respectively mounting the two opposite laser sensors 11 on the two linear modules 14, the efficiency of the two opposite laser sensors 11 to displace in the width direction of the electrode membrane 50 is significantly improved, and further, the thickness measuring action of the electrode membrane 50 by the laser thickness measuring device is performed more efficiently.

In another embodiments of the present application, as shown in fig. 4, the online thickness measuring device 10 is an X-ray thickness measuring device, the X-ray thickness measuring device includes an X-ray emission source 16 and a receiving detection head 15, the X-ray emission source 16 and the receiving detection head 15 are respectively disposed on the upper and lower sides of the conveying path, and the receiving detection head 15 is electrically connected to the coating control device 20. specifically, the online thickness measuring device 10 may also be an X-ray thickness measuring device, when the X-ray thickness measuring device specifically works, the X-ray emission source 16 emits X-rays to the electrode membrane 50 in a direction perpendicular to the electrode membrane 50, the X-rays penetrate through the electrode membrane 50 and are received by the receiving detection head 15, and the receiving detection head 15 then converts the X-ray signals into corresponding electrical signals to be output to the coating control device 20, so that the coating control device 20 obtains thickness information of the electrode membrane 50.

In another embodiments of the present application, as shown in FIG. 1, the conveying mechanism 40 comprises a rubber roller assembly 41 and a driving mechanism (not shown), the rubber roller assembly 41 and the driving mechanism are in transmission connection and form a conveying path, specifically, the electrode membrane 50 is conveyed by using the rubber roller assembly 41, so that the conveying stability of the electrode membrane 50 is improved, meanwhile, a space is arranged between the rubber rollers of the rubber roller assembly 41, so that the assembling space is provided for the arrangement of the correlation laser sensor 11, and the measurement of the thickness of the electrode membrane 50 is facilitated.

In another embodiments of the present application, as shown in fig. 1, the rubber roller assembly 41 includes two rubber rollers 42 and a second rubber roller 43, the second rubber roller 43 is in transmission connection with the driving mechanism and is disposed corresponding to the coating and film-forming device 30, and the two rubber rollers 42 are in contact with each other and are in transmission connection with the driving mechanism, specifically, the two rubber rollers 42 clamp the electrode film 50 to move forward, the second rubber roller 43 drives the electrode film 50 to pass through the coating and film-forming device 30, so that the electrode film 50 passes through the coating and film-forming device 30 and the online thickness measuring device 10 in sequence under the driving of the two rubber rollers 42 and the second rubber roller 43, or passes through the online thickness measuring device 10 and the coating and film-forming device 30 in sequence, thereby achieving coating and thickness measurement of the coating.

Optionally, when the two rubber covered rollers 42 are specifically matched with the driving mechanism, rubber covered rollers 42 can be in transmission connection with the driving mechanism, so that the rubber covered roller 42 in transmission connection with the driving mechanism can drive the other transmission rubber covered rollers to rotate, and the complexity of matching the two rubber covered rollers 42 with the driving mechanism is further reduced.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.