Automatic battery coating device
By integrating drying and compaction mechanisms into the lithium battery electrode coating device, the problem of large space occupation of existing devices is solved, and automated drying and compaction are achieved, improving production efficiency and device convenience.
Patent Information
- Application Number
- CN202423201515.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing lithium battery electrode coating equipment lacks a drying function, resulting in excessive space occupation in the production workshop.
Design an automatic battery coating device that integrates the drying and compaction mechanisms below the coating mechanism and achieves automated control through a trigger module to realize continuous drying and compaction of the slurry.
It effectively saves workshop space, improves drying efficiency and automation, ensures slurry uniformity, and promptly alerts maintenance needs.
Smart Images
Figure CN223683855U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of lithium ion battery pole piece manufacturing technology, in particular to an automatic battery coating device. BACKGROUND
[0002] The pole piece coating is the front process of lithium battery production, and the coating is the process of uniformly coating the slurry on the current collector (aluminum foil or copper foil), and then drying to form a film. The prepared slurry is sent to the die head by the slurry supply pump according to a certain speed, the die head lip discharges the slurry to uniformly coat on the current collector with a certain width and thickness, and the solvent in the slurry is removed by drying and heating in the oven, so that the solid material is well bonded on the current collector web, and the positive and negative pole pieces are obtained.
[0003] In the prior art, after the two sides of the lithium battery pole piece are coated, the slurry on the pole piece needs to be dried, and the common coating device does not have a drying device, so it needs to be used with other drying equipment, which easily causes excessive occupation of the space of the production workshop. CONTENT OF THE INVENTION
[0004] In order to save the space occupation of the workshop for the process of drying the slurry on both sides of the battery pole piece, the present application provides an automatic battery coating device.
[0005] The automatic battery coating device provided by the present application adopts the following technical scheme:
[0006] An automatic battery coating device, comprising a rack, a coating mechanism, a drying mechanism and a compaction mechanism are fixedly installed on the rack, and the coating mechanism, the drying mechanism and the compaction mechanism are sequentially arranged along the conveying direction of the battery pole piece;
[0007] The drying mechanism and the compaction mechanism are located below the coating mechanism, a conveying roller group for conveying the battery pole piece is installed on the rack, and a trigger module for starting or stopping the drying mechanism is fixedly installed on the rack.
[0008] By adopting the technical scheme, in the process of coating the battery pole piece, the battery pole piece is continuously conveyed through the coating mechanism, the coating mechanism conveys the battery pole piece after coating the slurry on the surface of the battery pole piece to the drying mechanism, the drying mechanism performs drying treatment on the slurry on the surface of the battery pole piece, and when the battery pole piece passes through the compacting mechanism, the compacting mechanism compacts the dried slurry on the surface of the battery pole piece, so that the adhesion effect of the slurry on the surface of the battery pole piece is better. By integrally arranging the drying mechanism and the compacting mechanism below the coating mechanism on the rack, the slurry can be continuously dried after the coating process of the pole piece is completed, so that it is unnecessary to additionally add a drying device in the workshop, and the process of drying the slurry on both sides of the battery pole piece effectively saves the occupation of the space in the workshop. At the same time, by arranging the triggering module, the battery pole piece can be inducted, the drying mechanism can be automatically started by the triggering module when the battery pole piece is conveyed, and the drying mechanism can be automatically turned off by the triggering module when the battery pole piece is not conveyed, so that the automation degree of the drying mechanism is improved, and the use convenience of the user in using the automatic coating device is improved.
[0009] Preferably, the rack comprises two oppositely arranged side plates, one of the side plates is fixedly provided with a mounting seat, and the coating mechanism is mounted on the mounting seat.
[0010] Preferably, the first detector and the second detector are fixedly arranged on the side plates, the first detector and the second detector are respectively arranged on the two sides of the coating mechanism, the first detector is used for detecting the surface density of the pole piece before coating, and the second detector is used for detecting the surface density of the pole piece after coating.
[0011] The signal output end of the first detector and the second detector is connected with a signal processor, the signal output end of the signal processor is connected with a buzzer, and the buzzer is fixedly arranged on the mounting seat.
[0012] By adopting the technical scheme, the surface density of the surface of the battery pole piece before coating can be detected by the first detector, the surface density of the surface of the battery pole piece after coating can be detected by the second detector, the uniformity of the coating of the slurry on the surface of the battery pole piece can be judged by comparison of the signal processor, and the buzzer on the rack can be controlled to emit a prompt sound when the coating effect of the slurry on the surface of the battery pole piece is poor, so that the on-site operator can timely maintain and repair the coating device.
[0013] Preferably, the drying mechanism comprises a first half shell and a second half shell arranged oppositely, the two sides of the first half shell and the second half shell are fixedly connected with the inner side walls of the two side plates, and a material passing channel for the battery pole piece to pass through is formed between the first half shell and the second half shell.
[0014] A group of hot air blowers are fixedly installed on the first half shell and the second half shell respectively, and the two groups of hot air blowers are oppositely arranged on the two sides of the material passing channel.
[0015] By adopting the above technical scheme, the slurry on the upper surface and the lower surface of the battery pole piece can be dried through the two groups of hot air blowers.
[0016] Preferably, the compaction mechanism comprises oppositely arranged third half shell and fourth half shell, the two sides of the third half shell and the fourth half shell are fixedly connected with two side plates respectively, and a group of compression rollers are rotatably installed in the third half shell and the fourth half shell respectively, and the roller surfaces of the two groups of compression rollers are respectively abutted with the two sides of the battery pole piece.
[0017] By adopting the above technical scheme, when the battery pole piece passes between the two groups of compression rollers, the surface of the battery pole piece is abutted with the roller surfaces of the two groups of compression rollers, so that the dried slurry is compacted and adhered to the surface of the battery pole piece.
[0018] Preferably, the trigger module comprises an induction roller, the battery pole piece flows to the drying mechanism after passing through the induction roller, two ends of the induction roller are fixedly installed with installation shaft rods respectively, and two installation shaft rods are rotatably connected with two side plates respectively.
[0019] A torque sensor is installed on the side plate, the torque sensor is connected with the installation shaft rod through a shaft coupling, a signal output end of the torque sensor is signal connected with a single-chip microcomputer, and a signal output end of the single-chip microcomputer is signal connected with a signal input end of the first detector, a signal input end of the second detector and two groups of hot air blowers.
[0020] By adopting the above technical scheme, when the battery pole piece is conveyed and driven by the continuous conveying mechanism, the induction roller can be driven to rotate, the torque value measured by the torque sensor changes, the single-chip microcomputer can determine that the coating process is being carried out through comparison, and the first detector, the second detector and the two groups of hot air blowers are automatically controlled to start; when the coating process of the battery pole piece is stopped, the induction roller does not rotate, and the single-chip microcomputer can control the first detector, the second detector and the two groups of hot air blowers to stop running through comparison, so that the technical effect of automatically starting or stopping the first detector, the second detector and the two groups of hot air blowers can be realized.
[0021] In summary, the battery automatic coating device has at least one of the following beneficial technical effects:
[0022] 1. By integrally arranging the drying mechanism and the compaction mechanism below the coating mechanism on the rack, the slurry can be continuously dried after the coating process of the pole piece is completed, so that additional drying equipment can be avoided in the workshop, and the space occupied by the process of drying the slurry on both sides of the battery pole piece in the workshop is effectively saved.
[0023] 2. The first detector can detect the surface density of the battery pole piece before coating, the second detector can detect the surface density of the battery pole piece after coating, the signal processor can compare and judge the uniformity of the coating of the slurry on the surface of the battery pole piece, and the buzzer on the rack can be controlled to emit a prompt sound when the coating effect of the slurry on the surface of the battery pole piece is poor, prompting the on-site operator to timely repair and maintain the coating device.
[0024] 3. When the battery pole piece is driven by the continuous conveying mechanism, the inductive roller rotates, the torque value measured by the torque sensor changes, the single-chip microcomputer compares and judges that the coating process is being carried out, and automatically controls the first detector, the second detector and the two groups of hot air fans to start; when the coating process of the battery pole piece is stopped, the inductive roller does not rotate, the single-chip microcomputer compares and controls the first detector, the second detector and the two groups of hot air fans to stop running, so as to realize the technical effect of automatically starting or closing the first detector, the second detector and the two groups of hot air fans. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is a schematic diagram of the overall structure of the coating device.
[0026] Mark explanation: 1, rack; 11, side plate; 12, mounting seat; 2, coating mechanism; 3, drying mechanism; 31, first half shell; 32, second half shell; 33, hot air fan; 4, compaction mechanism; 41, third half shell; 42, fourth half shell; 43, compression roller; 5, conveying roller group; 51, inductive roller; 52, mounting shaft; 6, first detector; 7, second detector; 8, buzzer; 9, torque sensor. DETAILED DESCRIPTION
[0027] The following will be described in detail in combination with the accompanying Figure 1 The application will be further described in detail.
[0028] EMBODIMENT
[0029] The embodiment of the application discloses an automatic battery coating device. Referring to Figure 1 , mainly including rack 1, coating mechanism 2, drying mechanism 3 and compaction mechanism 4 are fixedly installed on rack 1, and coating mechanism 2, drying mechanism 3 and compaction mechanism 4 are sequentially arranged along the conveying direction of battery pole piece; drying mechanism 3 and compaction mechanism 4 are located below coating mechanism 2, conveying roller group 5 for conveying battery pole piece is installed on rack 1, and trigger module for starting or closing drying mechanism 3 is fixedly installed on rack 1.
[0030] In the process of coating the battery pole piece, the battery pole piece is continuously conveyed through the coating mechanism 2, the coating mechanism 2 coats the slurry on the surface of the battery pole piece and then conveys to the drying mechanism 3, the drying mechanism 3 performs drying treatment on the slurry on the surface of the battery pole piece, and when passing through the compaction mechanism 4, the compaction mechanism 4 compacts the dried slurry on the surface of the battery pole piece, so that the adhesion effect of the slurry on the surface of the battery pole piece is better. By integrally arranging the drying mechanism 3 and the compaction mechanism 4 below the coating mechanism 2 on the rack 1, the slurry can be continuously dried after the coating process of the pole piece is completed, so that additional drying equipment can be avoided in the workshop, and the occupation of the process of drying the slurry on both sides of the battery pole piece to the workshop space is effectively saved. At the same time, through the setting of the trigger module, the battery pole piece can be inducted, and when the battery pole piece is driven, the drying mechanism 3 can be automatically started through the trigger module; when the battery pole piece is no longer driven, the trigger module can automatically close the drying mechanism 3, so that the automation degree of the drying mechanism 3 is improved, and the use convenience of the user using the automatic coating device is improved.
[0031] Among them, the rack 1 includes two oppositely arranged side plates 11, one of which is fixedly installed with a mounting seat 12, and the coating mechanism 2 is installed on the mounting seat 12.
[0032] Referring to Figure 1 , the first detector 6 and the second detector 7 are fixedly installed on the side plate 11. The first detector 6 and the second detector 7 are respectively located on both sides of the coating mechanism 2, the first detector 6 is used for detecting the surface density before the pole piece is coated, and the second detector 7 is used for detecting the surface density after the pole piece is coated; the signal output ends of the first detector 6 and the second detector 7 are signal connected with a signal processor, the signal output end of the signal processor is signal connected with a buzzer 8, and the buzzer 8 is fixedly installed on the mounting seat 12.
[0033] Through the first detector 6, the surface density of the surface of the battery pole piece before coating can be detected, through the second detector 7, the surface density of the surface of the battery pole piece after coating can be detected, through the signal processor, the uniformity of the coating of the slurry on the surface of the battery pole piece can be judged, and when the coating effect of the slurry on the surface of the battery pole piece is poor, the buzzer 8 on the rack 1 can be controlled to emit a prompt sound, prompting the on-site operator to timely maintain and repair the coating device.
[0034] Referring to Figure 1 , the drying mechanism 3 includes oppositely arranged first half shell 31 and second half shell 32. The two sides of the first half shell 31 and the second half shell 32 are respectively fixedly connected with the inner side walls of the two side plates 11, and a material passing channel for the battery pole piece to pass through is formed between the first half shell 31 and the second half shell 32; a group of hot air fans 33 are respectively fixedly installed on the first half shell 31 and the second half shell 32, and the two groups of hot air fans 33 are oppositely arranged on both sides of the material passing channel.
[0035] Through the two groups of hot air fans 33, the slurry on the upper and lower surfaces of the battery tab can be dried.
[0036] With reference to Figure 1 The compaction mechanism 4 includes a third half shell 41 and a fourth half shell 42 arranged oppositely. The two sides of the third half shell 41 and the fourth half shell 42 are fixedly connected with the two side plates 11 respectively, and a set of compression rollers 43 are rotatably installed in the third half shell 41 and the fourth half shell 42 respectively. The roller surfaces of the two sets of compression rollers 43 respectively abut against the two side surfaces of the battery tab.
[0037] Through the arrangement of the two sets of compression rollers 43, when the battery tab passes between the two sets of compression rollers 43, the surface of the battery tab abuts against the roller surfaces of the two sets of compression rollers 43, so that the dried slurry is compacted and adhered to the surface of the battery tab.
[0038] With reference to Figure 1 The triggering module includes an induction roller 51. After the battery tab passes through the induction roller 51, it flows to the drying mechanism 3. The two ends of the induction roller 51 are fixedly installed with mounting shafts 52 respectively, and the two mounting shafts 52 are rotatably connected with the two side plates 11 respectively. A torque sensor 9 is installed on the side plate 11. The torque sensor 9 is connected with the mounting shaft 52 through a shaft coupling. The signal output end of the torque sensor 9 is signal connected with a single-chip microcomputer. The signal output end of the single-chip microcomputer is signal connected with the first detector 6, the second detector 7 and the signal input ends of the two groups of hot air fans 33.
[0039] When the battery tab is conveyed and driven by the continuous conveying mechanism, the induction roller 51 is driven to rotate. The torque value measured by the torque sensor 9 changes. The single-chip microcomputer can determine that the coating process is being performed through comparison, and automatically control the first detector 6, the second detector 7 and the two groups of hot air fans 33 to start. When the coating process of the battery tab is stopped, the induction roller 51 does not rotate. The single-chip microcomputer can control the first detector 6, the second detector 7 and the two groups of hot air fans 33 to stop running through comparison, so as to realize the technical effects of automatically starting or closing the first detector 6, the second detector 7 and the two groups of hot air fans 33.
[0040] The implementation principle of the battery automatic coating device is as follows: in the process of coating the battery pole piece, the battery pole piece is continuously conveyed through the coating mechanism 2, the coating mechanism 2 coats the slurry on the surface of the battery pole piece and then conveys it to the drying mechanism 3, the drying mechanism 3 performs drying treatment on the slurry on the surface of the battery pole piece, and when the battery pole piece passes through the compaction mechanism 4, the compaction mechanism 4 compacts the dried slurry on the surface of the battery pole piece, so that the adhesion effect of the slurry on the surface of the battery pole piece is better. By integrally arranging the drying mechanism 3 and the compaction mechanism 4 below the coating mechanism 2 on the rack 1, the slurry can be continuously dried after the coating process of the pole piece is completed, and additional drying equipment can be avoided in the workshop, thereby effectively saving the space occupied by the process of drying the slurry on both sides of the battery pole piece. At the same time, through the setting of the trigger module, the battery pole piece can be inducted, and when the battery pole piece is driven, the drying mechanism 3 can be automatically started through the trigger module; when the battery pole piece is no longer driven, the trigger module can automatically close the drying mechanism 3, so that the automation degree of the drying mechanism 3 can be improved, and the use convenience of the user using the automatic coating device can be improved.
[0041] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.
Claims
1. A battery automatic coating apparatus characterized by comprising: The application relates to a battery pole piece coating device, which comprises a rack (1), a coating mechanism (2), a drying mechanism (3) and a compacting mechanism (4) fixedly arranged on the rack (1) and sequentially arranged along the conveying direction of the battery pole piece. The drying mechanism (3) and the compacting mechanism (4) are arranged below the coating mechanism (2), and a conveying roller group (5) for conveying the battery pole piece is arranged on the rack (1), and a trigger module for starting or stopping the drying mechanism (3) is fixedly arranged on the rack (1).
2. The automatic battery coating apparatus according to claim 1, wherein The rack (1) comprises two oppositely arranged side plates (11), one of which is fixedly provided with a mounting seat (12), and the coating mechanism (2) is arranged on the mounting seat (12).
3. The automatic battery coating apparatus according to claim 2, wherein First and second detectors (6) and (7) are fixedly arranged on the side plates (11) and located on the two sides of the coating mechanism (2), respectively, the first detector (6) is used for detecting the surface density of the pole piece before coating, and the second detector (7) is used for detecting the surface density of the pole piece after coating. The signal output ends of the first and second detectors (6) and (7) are connected with a signal processor, the signal output end of the signal processor is connected with a buzzer (8), and the buzzer (8) is fixedly arranged on the mounting seat (12).
4. The automatic battery coating apparatus according to claim 3, wherein The drying mechanism (3) comprises first and second half shells (31) and (32) oppositely arranged, the two sides of the first and second half shells (31) and (32) are fixedly connected with the inner side walls of the two side plates (11), respectively, and a material passing channel for the battery pole piece is formed between the first and second half shells (31) and (32). A group of hot air blowers (33) are fixedly arranged on the first and second half shells (31) and (32), respectively, and the two groups of hot air blowers (33) are oppositely arranged on the two sides of the material passing channel.
5. The automatic battery coating apparatus according to claim 4, wherein The compacting mechanism (4) comprises third and fourth half shells (41) and (42) oppositely arranged, the two sides of the third and fourth half shells (41) and (42) are fixedly connected with the two side plates (11), respectively, a group of compression rollers (43) are rotatably arranged in the third and fourth half shells (41) and (42), respectively, and the roller surfaces of the two groups of compression rollers (43) are in contact with the two sides of the battery pole piece, respectively.
6. The automatic battery coating apparatus according to claim 5, wherein The trigger module comprises an induction roller (51), the battery pole piece flows to the drying mechanism (3) after passing through the induction roller (51), the two ends of the induction roller (51) are fixedly provided with mounting shafts (52), respectively, and the two mounting shafts (52) are rotatably connected with the two side plates (11), respectively. The side plate (11) is provided with a torque sensor (9), the torque sensor (9) is connected with the mounting shaft (52) through a shaft coupling, the signal output end of the torque sensor (9) is signal connected with a single-chip microcomputer, and the signal output end of the single-chip microcomputer is signal connected with the signal input end of the first detector (6), the second detector (7) and the two groups of hot air fans (33).