CN211629215U - Positioning mechanism of lithium battery pole piece - Google Patents

Positioning mechanism of lithium battery pole piece Download PDF

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Publication number
CN211629215U
CN211629215U CN202020465262.6U CN202020465262U CN211629215U CN 211629215 U CN211629215 U CN 211629215U CN 202020465262 U CN202020465262 U CN 202020465262U CN 211629215 U CN211629215 U CN 211629215U
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pole piece
positioning
collecting box
positioning mechanism
conveying device
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赵锐拓
杨新波
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Shenzhen Alstom Automation Technology Co Ltd
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Shenzhen Alstom Automation Technology Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model relates to a lithium cell production correlation equipment technical field, concretely relates to positioning mechanism of lithium cell pole piece, including control circuit, be used for carrying out CCD positioning's CCD positioning mechanism and be used for carrying out the collection mechanism that the multi-disc pole piece that conveyor carried was collected to the single-disc pole piece that conveyor carried, when the conveyor carried was the multi-disc pole piece, drive arrangement drive the collection box moves to the top of location platform, so that the conveyor will the multi-disc pole piece put to the collection box; when the conveying device conveys the single pole piece, the driving device drives the collecting box to leave the position above the positioning platform, so that the conveying device can place the single pole piece on the positioning platform to perform CCD positioning. This positioning mechanism of lithium battery pole piece can guarantee not to produce the pole piece damage when the pole piece is fixed a position, and the alignment degree of adjacent pole piece is high, has improved the production efficiency of pole piece location simultaneously greatly.

Description

Positioning mechanism of lithium battery pole piece
Technical Field
The utility model relates to a relevant equipment technical field of lithium cell production, concretely relates to positioning mechanism of lithium-ion battery pole piece.
Background
Lithium batteries are a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a negative electrode material. The lithium battery generally needs to be matched with a pole piece for use, and the pole piece is subjected to a pole piece positioning process in production and processing. The similar mechanisms for executing the process in the current market mostly adopt mechanical mechanisms to carry out the correction and positioning on the pole piece. The positioning method can cause the low positioning precision of the pole pieces, the stacked battery cell is influenced by the tolerance of the pole pieces, and the alignment degree of the stacked battery cell is relatively low. Because the pole pieces are restored by the mechanical mechanism, the pole pieces are restored by four non-metal restoring blocks to be positioned, if the size of the length direction or the width direction of the battery cell reaches the tolerance positive limit value, the restoring positioning blocks can extrude the pole pieces to deform, the quality of the manufactured battery cell is influenced, and potential safety hazards exist. In addition, the lithium battery pole pieces are thin, the phenomenon that a plurality of pole pieces are taken cannot be avoided when the conveying device takes the pole pieces, once the pole pieces are taken, a worker must stop the machine immediately and remove the pole pieces, the workload of the worker is large, and the utilization rate of equipment is greatly reduced. The above drawbacks are the problems to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
For the above-mentioned not enough that overcomes prior art exists, the utility model provides a lithium-ion battery pole piece's positioning mechanism can guarantee not to produce the pole piece damage when the pole piece location, and the alignment degree of adjacent pole piece is high, has improved the production efficiency of pole piece location simultaneously greatly, and the practicality is strong.
To achieve the purpose, the utility model adopts the following technical proposal: the positioning mechanism of the lithium battery pole piece is provided and comprises a control circuit and is characterized by further comprising a CCD positioning mechanism for carrying out CCD positioning on a single pole piece conveyed by a conveying device and a collecting mechanism for collecting a plurality of pole pieces conveyed by the conveying device, wherein the CCD positioning mechanism and the collecting mechanism are respectively electrically connected with the control circuit, the CCD positioning mechanism comprises a positioning platform and an XY theta automatic alignment machine, the XY theta automatic alignment machine is arranged on the positioning platform, the collecting mechanism comprises a collecting box and a driving device for driving the collecting box to move back and forth, and the driving device is arranged on the collecting box;
when the conveying device conveys a plurality of pole pieces, the driving device drives the collecting box to move to the position above the positioning platform, so that the conveying device can place the plurality of pole pieces to the collecting box;
when the conveying device conveys the single pole piece, the driving device drives the collecting box to leave the position above the positioning platform, so that the conveying device can place the single pole piece on the positioning platform to perform CCD positioning.
Preferably, the CCD positioning mechanism further includes a vacuum adsorption device, the vacuum adsorption device includes a vacuum generator and an adsorption port, the vacuum generator and the adsorption port are connected through a sealed pipeline, the adsorption port is disposed at a central position of an upper surface of a bottom plate of the positioning platform, the XY θ automatic alignment machine is disposed on the bottom plate of the positioning platform, the XY θ automatic alignment machine includes an X-direction alignment device, a Y-direction alignment device and a θ rotation alignment device, and the X-direction alignment device and the Y-direction alignment device are orthogonally disposed up and down.
Preferably, the driving device comprises a left air cylinder driving structure and a right air cylinder driving structure, the piston rod of the left air cylinder driving structure is fixedly connected with the left end of the collecting box, the piston rod of the right air cylinder driving structure is fixedly connected with the right end of the collecting box, and the piston rod of the left air cylinder driving structure and the piston rod of the right air cylinder driving structure are correspondingly arranged at the left lower position and the right lower position of the positioning platform respectively.
Preferably, the conveying device comprises a positive plate taking manipulator and a negative plate taking manipulator, and the pole pieces comprise positive plates and negative plates.
Preferably, the conveying device further comprises an ultrasonic sensor for detecting whether the conveying device conveys the plurality of pole pieces, and the ultrasonic sensor is fixedly connected to the positioning platform.
Preferably, the collecting mechanism further comprises a pole piece monitoring circuit for detecting whether the pole piece in the collecting box exceeds a preset threshold value, and the pole piece monitoring circuit is electrically connected with the control circuit.
Preferably, the positioning mechanism of the lithium battery pole piece further comprises a reminding circuit for reminding that the pole piece in the collecting box exceeds the preset threshold value, the reminding circuit is electrically connected with the control circuit, and the reminding circuit is an indicating lamp circuit and/or a buzzer circuit.
The utility model has the advantages that: when the conveying device conveys a plurality of pole pieces, the driving device drives the collecting box to move above the positioning platform, so that the conveying device can place the plurality of pole pieces to the collecting box; when the conveying device conveys the single pole piece, the driving device drives the collecting box to leave the position above the positioning platform, so that the conveying device can place the single pole piece on the positioning platform to perform CCD positioning. This positioning mechanism of lithium battery pole piece, use CCD positioning mechanism to fix a position the pole piece, do not use the locating piece that reforms to carry out machinery and reforms, just can not produce the pole piece damage, the electric core that folds out also can not have the quality risk, and the alignment degree of adjacent pole piece is high, in addition, if conveyor carries is the multi-disc pole piece, just directly put this multi-disc pole piece in collecting the box, do not influence CCD positioning mechanism's normal work, this in-process production facility need not the shut down, the production efficiency of pole piece location has been improved greatly, therefore, the clothes hanger is strong in practicability.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a front view of the overall structure of an embodiment of the positioning mechanism of the lithium battery pole piece of the present invention;
fig. 2 is a perspective view showing the overall structure of an embodiment of the positioning mechanism of the lithium battery pole piece of the present invention;
the reference numerals are explained below:
the device comprises a 1-CCD positioning mechanism, a 2-collecting mechanism, a 3-positioning platform, a 4-XY theta automatic alignment machine, a 5-collecting box, a 6-adsorption port, a 7-X direction alignment device and an 8-Y direction alignment device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, as an example, the positioning mechanism for a lithium battery pole piece of this embodiment includes a control circuit, and further includes a CCD positioning mechanism 1 for CCD positioning of a single pole piece conveyed by a conveying device and a collecting mechanism 2 for collecting multiple pole pieces conveyed by the conveying device, where the CCD positioning mechanism 1 and the collecting mechanism 2 are respectively electrically connected to the control circuit, the CCD positioning mechanism 1 includes a positioning platform 3 and an XY θ automatic alignment machine 4, the XY θ automatic alignment machine 4 is disposed on the positioning platform 3, the collecting mechanism 2 includes a collecting box 5 and a driving device for driving the collecting box 5 to reciprocate, and the driving device is disposed on the collecting box 5;
when the conveying device conveys a plurality of pole pieces, the driving device drives the collecting box 5 to move above the positioning platform 3, so that the conveying device can place the plurality of pole pieces to the collecting box 5;
when the single pole piece is conveyed by the conveying device, the driving device drives the collecting box 5 to leave the position above the positioning platform 3, so that the conveying device can place the single pole piece on the positioning platform 3 for CCD positioning.
The utility model discloses a positioning mechanism of lithium battery pole piece in the embodiment, use CCD positioning mechanism 1 to fix a position the pole piece, do not use the locating piece of reforming to carry out machinery and reform, just can not produce the pole piece damage, the electric core of folding out also can not have the quality risk, and the alignment degree of adjacent pole piece is high, in addition, if conveyor carries it is the multi-disc pole piece, just directly put this multi-disc pole piece in collecting box 5, do not influence the normal work of CCD positioning mechanism 1, this in-process production facility need not the shut down, the production efficiency of pole piece location has been improved greatly, therefore, the clothes hanger is strong in practicability.
Specifically, the utility model discloses a positioning mechanism of lithium-ion battery pole piece in the embodiment, the pole piece location does not use the return locating piece of mechanical type, can not form the extrusion damage to the pole piece, can not bring the potential safety hazard to electric core, and the positioning accuracy of pole piece is high simultaneously, has improved the alignment degree of pole piece greatly, has promoted the lamination quality of electric core. The problems of multiple pole pieces can be eliminated all the time without stopping the equipment, so that the production efficiency of the equipment is improved, and the labor intensity of workers is reduced.
Specifically, the utility model discloses a positioning mechanism of lithium-ion battery pole piece in the embodiment, the pole piece of carrying is placed behind positioning platform 3, and CCD positioning mechanism 1's CCD vision system automatic identification pole piece diagonal limit and with the predetermined calibration point make the comparison, the deviation of appearance is rectified through XY theta automatic alignment machine 4. And the XY theta automatic alignment machine 4 automatically controls the positioning platform 3 to move reversely by a corresponding movement amount according to the offset of the pole piece in the XY theta direction calculated by the CCD vision system according to the identification of the calibration point, corrects the position of the pole piece and realizes accurate automatic positioning. If the pole pieces are multiple pieces, the collecting mechanism 2 drives the collecting box 5 to move to the area for placing the pole pieces, the multiple pieces of pole pieces are not placed on the positioning platform 3, but are directly placed in the collecting box 5, and then the collecting box 5 is retracted. The CCD positioning mechanism 1 continues to be produced. The whole process is a closed-loop manufacturing process, and the manufacturing process improves the production quality and the production efficiency of pole piece positioning.
Specifically, the step of applying the positioning method of the positioning mechanism of the lithium battery pole piece of the embodiment includes:
the conveying device conveys the lithium battery pole pieces;
when the conveying device conveys a plurality of pole pieces, the driving device drives the collecting box 5 to move above the positioning platform 3, so that the conveying device can place the plurality of pole pieces to the collecting box 5;
when the single pole piece is conveyed by the conveying device, the driving device drives the collecting box 5 to leave the position above the positioning platform 3, so that the conveying device can place the single pole piece on the positioning platform 3 for CCD positioning.
In some embodiments, on the basis of the above embodiments, the CCD positioning mechanism 1 further includes a vacuum adsorption device, the vacuum adsorption device includes a vacuum generator and an adsorption port 6, the vacuum generator and the adsorption port 6 are connected by a sealed pipeline, the adsorption port 6 is disposed at a central position on the upper surface of the bottom plate of the positioning platform 3, the XY θ automatic alignment machine 4 is disposed on the bottom plate of the positioning platform 3, the XY θ automatic alignment machine 4 includes an X-direction alignment device 7, a Y-direction alignment device 8 and a θ rotation alignment device, and the X-direction alignment device 7 and the Y-direction alignment device 8 are disposed vertically and orthogonally.
Specifically, the vacuum adsorption device adopts a vacuum principle, namely, a vacuum negative pressure is used for adsorbing a plurality of pole pieces. The vacuum generator is connected with the adsorption port 6 through a sealing pipeline, after the vacuum generator is started, the adsorption port 6 is ventilated, air in the vacuum generator is pumped away, and a vacuum state with negative pressure is formed. At this time, the air pressure inside the vacuum generator is lower than the atmospheric pressure outside the vicinity of the suction port 6, and the plurality of pole pieces are sucked by the external pressure. The higher the vacuum degree in the vacuum generator is, the stronger the adsorption force of the adsorption port 6 to the plurality of pole pieces near the adsorption port is. The vacuum negative pressure adsorption multi-piece pole piece has the advantages of cleanness, stable and reliable adsorption and no damage to the surface of the adsorbed pole piece, thereby being widely applied.
In some embodiments, on the basis of the above embodiments, the driving device includes a left air cylinder driving structure and a right air cylinder driving structure, a piston rod of the left air cylinder driving structure is fixedly connected with the left end of the collecting box 5, a piston rod of the right air cylinder driving structure is fixedly connected with the right end of the collecting box 5, and the piston rod of the left air cylinder driving structure and the piston rod of the right air cylinder driving structure are respectively and correspondingly arranged at the lower left position and the lower right position of the positioning platform 3.
In particular, the cylinder driving structure is less costly than the motor driving structure. For a driving device which only needs to do instantaneous telescopic action, the cylinder is selected for driving more appropriately. And drive arrangement drives collection box 5 through left air cylinder drive structure and right air cylinder drive structure respectively from the left and right sides jointly and is concertina movement, compares in only using a cylinder drive structure drive, and the motion of collecting box 5 is more steady, is favorable to the storage stability of inside multi-disc pole piece.
In some embodiments, on the basis of the above embodiments, the conveying device includes a positive plate taking manipulator and a negative plate taking manipulator, and the pole pieces include a positive plate and a negative plate.
In particular, a robot is an automatic handling device that can imitate some motion functions of a human hand and arm for grasping, carrying or handling an object in a fixed procedure. In this embodiment, technical implementation means of the positive plate taking manipulator and the negative plate taking manipulator are already common means of those skilled in the art, and detailed description on specific implementation techniques of the positive plate taking manipulator and the negative plate taking manipulator is omitted here.
In some embodiments, on the basis of the above embodiments, the conveying device further includes an ultrasonic sensor for detecting whether the conveying device conveys multiple pole pieces, and the ultrasonic sensor is fixedly connected to the positioning platform 3.
Specifically, an ultrasonic sensor is added to the positioning platform 3, and the ultrasonic sensor may be disposed above or on the side of the positioning platform 3. The ultrasonic sensor can obtain the number of actually conveyed pole pieces by detecting the distance between the ultrasonic sensor and the pole pieces conveyed to the upper part of the positioning platform 3 by the conveying device, and can execute a reminding program of the pole pieces when detecting that the conveying device conveys the pole pieces.
In some embodiments, on the basis of the above embodiments, the collecting mechanism 2 further includes a pole piece monitoring circuit for detecting whether the pole piece in the collecting box 5 exceeds a preset threshold, and the pole piece monitoring circuit is electrically connected to the control circuit.
Specifically, the preset threshold may correspond to the number of pole pieces, the weight of the pole pieces, or the height of the pole pieces, and may be specifically set according to the type of the pole piece monitoring circuit.
In some embodiments, on the basis of the above embodiments, the positioning mechanism of the lithium battery pole piece further includes a reminding circuit for reminding that the pole piece in the collecting box 5 exceeds the preset threshold, the reminding circuit is electrically connected to the control circuit, and the reminding circuit is an indicator circuit and/or a buzzer circuit.
Specifically, this remind circuit and above-mentioned pole piece monitoring circuit ware cooperation are used, can remind the workman to collect the pole piece in the box 5 excessive at the very first time, and this reminding circuit's setting has both saved the manpower and has improved the degree of automation of location process again.
Specifically, the indicating lamp circuit and the buzzer circuit accord with daily use habits of people, the cost of the product can be reduced by adopting the indicating lamp circuit and the buzzer circuit, and the feasibility of the product is improved. In this embodiment, technical implementation means of the indicator light circuit and the buzzer circuit are already common means of those skilled in the art, and detailed description of specific implementation techniques of the above circuits is omitted here.
In some embodiments, on the basis of the above embodiments, the pole piece monitoring circuit is a gravity sensing circuit, and a gravity sensor of the gravity sensing circuit is disposed at a central position of the lower surface of the bottom plate of the collecting box 5.
Specifically, the gravity sensor operates based on the principle of the piezoelectric effect, which is the phenomenon that the external force applied to the crystal by a heteropolar crystal without a symmetric center deforms the crystal and changes the polarization state of the crystal, and an electric field is established inside the crystal, and the phenomenon that the medium is polarized due to the mechanical force is called the positive piezoelectric effect. The gravity sensor adopts an elastic sensitive element to manufacture a cantilever type displacer and an energy storage spring manufactured by the elastic sensitive element to drive an electric contact, so that the conversion from the gravity change to an electric signal is completed. The gravity sensor is arranged at the central position of the lower surface of the bottom plate of the collecting box 5, and when the weight of the pole piece monitored by the gravity sensor exceeds a preset weight threshold value, the pole piece in the collecting box 5 is excessive. The preset threshold corresponds to the weight of the pole piece, namely the preset weight threshold can be specifically set according to the size of the collecting box 5.
Specifically, the pole piece monitoring circuit may also be an infrared sensing circuit, the infrared sensing circuit includes an infrared photoelectric sensor, the infrared photoelectric sensor is set at a height corresponding to a preset height threshold, and when the infrared rays emitted by the infrared photoelectric sensor are reflected back after being shielded by the plurality of pole pieces, it indicates that the heights of the plurality of pole pieces exceed the preset height threshold, and the number of pole pieces in the collecting box 5 is excessive. The preset threshold corresponds to the height of the pole piece, namely the preset height threshold can be specifically set according to the size of the collecting box 5.
It should be noted that, as can be understood by those skilled in the art, in practical applications, the pole piece monitoring circuit may also be in other forms, which are only exemplified here, and this embodiment does not limit the specific implementation manner of the pole piece monitoring circuit.
The following is a specific description by way of example of the embodiment of the present invention, in which:
this positioning mechanism of lithium battery pole piece adopts non-mechanical type location, makes the pole piece tiling on locating platform 3 through vacuum negative pressure absorption, and the CCD vision system through CCD positioning mechanism 1 discerns the diagonal edge of pole piece and makes the comparison with predetermined calibration point, and the deviation of discovery carries out X through XY theta automatic alignment machine 4, and Y, theta automatic correction counterpoint. The pole pieces can not be damaged without adopting a righting positioning block for mechanical righting, the quality risk of the stacked battery cell does not exist, and the alignment degree of the adjacent pole pieces can also meet the process requirement. In addition, a cylinder type multi-sheet arranging mechanism, namely a collecting mechanism 2, is arranged on the side edge of the positioning platform 3, if a plurality of sheets are found, a piston rod of a cylinder drives the material receiving box to move to a sheet receiving area on the positioning platform 3, the conveying device does not place the plurality of sheets on the positioning platform 3 but directly places the sheets in the material receiving box, the equipment does not need to be stopped, manual centralized processing is performed when a certain number of sheets are accumulated, the use efficiency of design is improved, the workload of workers is greatly reduced, and the equipment forms a closed-loop manufacturing system.
Specifically, the step of applying the positioning method of the positioning mechanism of the lithium battery pole piece of the embodiment includes:
the conveying device conveys the lithium battery pole pieces;
when the ultrasonic sensor detects that the conveying device conveys a plurality of pole pieces, the driving device drives the collecting box 5 to move to the position above the positioning platform 3, so that the conveying device can place the plurality of pole pieces to the collecting box 5; when the pole piece monitoring circuit detects that the pole pieces in the collecting box 5 exceed the preset threshold value, the control circuit starts the reminding circuit;
when the ultrasonic sensor detects that the single pole piece is conveyed by the conveying device, the driving device drives the collecting box 5 to leave the position above the positioning platform 3, so that the conveying device can place the single pole piece on the positioning platform 3, the single pole piece is vacuum-adsorbed on the positioning platform 3 by the vacuum adsorption device, and CCD positioning is carried out on the single pole piece through the XY theta automatic alignment machine 4.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The positioning mechanism of the lithium battery pole piece comprises a control circuit and is characterized by further comprising a CCD positioning mechanism (1) used for carrying out CCD positioning on a single pole piece conveyed by a conveying device and a collecting mechanism (2) used for collecting a plurality of pole pieces conveyed by the conveying device, wherein the CCD positioning mechanism (1) and the collecting mechanism (2) are respectively and electrically connected with the control circuit, the CCD positioning mechanism (1) comprises a positioning platform (3) and an XY theta automatic alignment machine (4), the XY theta automatic alignment machine (4) is arranged on the positioning platform (3), the collecting mechanism (2) comprises a collecting box (5) and a driving device used for driving the collecting box (5) to move back and forth, and the driving device is arranged on the collecting box (5);
when the conveying device conveys a plurality of pole pieces, the driving device drives the collecting box (5) to move to the position above the positioning platform (3), so that the conveying device can place the plurality of pole pieces to the collecting box (5);
when the conveying device conveys the single pole piece, the driving device drives the collecting box (5) to leave the upper part of the positioning platform (3), so that the conveying device can place the single pole piece on the positioning platform (3) for CCD positioning.
2. The positioning mechanism of the lithium battery pole piece according to claim 1, wherein the CCD positioning mechanism (1) further comprises a vacuum adsorption device, the vacuum adsorption device comprises a vacuum generator and an adsorption port (6), the vacuum generator and the adsorption port (6) are connected through a sealed pipeline, the adsorption port (6) is arranged at the central position of the upper surface of the bottom plate of the positioning platform (3), the XY theta automatic alignment machine (4) is arranged on the bottom plate of the positioning platform (3), the XY theta automatic alignment machine (4) comprises an X-direction alignment device (7), a Y-direction alignment device (8) and a theta rotation alignment device, and the X-direction alignment device (7) and the Y-direction alignment device (8) are orthogonally arranged up and down.
3. The positioning mechanism of lithium battery pole piece according to claim 1, wherein the driving device comprises a left cylinder driving structure and a right cylinder driving structure, the piston rod of the left cylinder driving structure is fixedly connected with the left end of the collecting box (5), the piston rod of the right cylinder driving structure is fixedly connected with the right end of the collecting box (5), and the piston rod of the left cylinder driving structure and the piston rod of the right cylinder driving structure are respectively and correspondingly arranged at the lower left position and the lower right position of the positioning platform (3).
4. The positioning mechanism for the lithium battery pole piece according to claim 1, wherein the conveying device comprises a positive pole piece taking manipulator and a negative pole piece taking manipulator, and the pole piece comprises a positive pole piece and a negative pole piece.
5. The positioning mechanism of the lithium battery pole piece according to claim 2, wherein the conveying device further comprises an ultrasonic sensor for detecting whether the conveying device conveys a plurality of pole pieces, and the ultrasonic sensor is fixedly connected to the positioning platform (3).
6. The positioning mechanism of the lithium battery pole piece according to claim 5, wherein the collecting mechanism (2) further comprises a pole piece monitoring circuit for detecting whether the pole piece in the collecting box (5) exceeds a preset threshold, and the pole piece monitoring circuit is electrically connected to the control circuit.
7. The positioning mechanism of the lithium battery pole piece according to claim 6, further comprising a reminding circuit for reminding the pole piece in the collecting box (5) to exceed the preset threshold, wherein the reminding circuit is electrically connected to the control circuit, and the reminding circuit is an indicator circuit and/or a buzzer circuit.
8. The positioning mechanism of the lithium battery pole piece according to claim 6, wherein the pole piece monitoring circuit is a gravity sensing circuit, and a gravity sensor of the gravity sensing circuit is disposed at a central position of a lower surface of the bottom plate of the collecting box (5).
CN202020465262.6U 2020-04-02 2020-04-02 Positioning mechanism of lithium battery pole piece Active CN211629215U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111342004A (en) * 2020-04-02 2020-06-26 深圳市阿尔斯自动化科技有限公司 Positioning mechanism and positioning method for lithium battery pole piece

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111342004A (en) * 2020-04-02 2020-06-26 深圳市阿尔斯自动化科技有限公司 Positioning mechanism and positioning method for lithium battery pole piece
CN111342004B (en) * 2020-04-02 2024-03-19 深圳市阿尔斯自动化科技有限公司 Positioning mechanism and positioning method for lithium battery pole piece

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