Double-sided spraying equipment for lithium battery diaphragm production

By setting up anti-blocking components and reciprocating spraying components in the lithium battery separator production equipment, the problem of material condensation and blockage is solved, and more efficient spraying smoothness and uniformity is achieved.

CN223145072UActive Publication Date: 2025-07-25HUNAN LIDU NEW MATERIALS CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422130826.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-02
Publication Date
2025-07-25
Estimated Expiration
2034-09-02

AI Technical Summary

Technical Problem

The existing lithium battery separator production equipment is prone to condense into blocks during the spraying process, resulting in blockage of the sprayed material conveying pipeline, affecting the spraying efficiency and smoothness.

Method used

The material is dispersed by stirring leaves and cleaning strips in the anti-blocking assembly, and the material is heated by heating rings to improve solubility. Combined with the threaded rod in the reciprocating spraying assembly, the spray head is driven to reciprocate and expand the spraying range.

Benefits of technology

It effectively avoids material clogging, improves the smoothness and efficiency of spraying, and ensures uniform spraying of lithium battery separators.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223145072U_ABST
    Figure CN223145072U_ABST
Patent Text Reader

Abstract

The utility model discloses double-sided spraying equipment for producing a lithium battery diaphragm, and relates to a spraying device. An atomization device; the utility model relates to nozzles. The double-sided spraying equipment for lithium battery diaphragm production comprises a spraying shell and a material barrel, and the material barrel is installed on the spraying shell through screws; the anti-blocking assembly is arranged on the material barrel and comprises a motor, a feeding pipe, a cleaning strip, a stirring shaft, a heating ring, a discharging pipe and stirring blades, the stirring blades and the cleaning strip in the anti-blocking assembly are arranged, the stirring blades and the cleaning strip rotate at first, so that sprayed materials are scattered, large materials are scattered, and the materials are uniformly sprayed; and then, after passing through the interior of the discharging pipe, the heating ring is used for heating, so that the solubility of the solution to the spraying material is improved, small particles are absorbed, the problem of blockage caused by the movement of the small particles in the pipeline is avoided, and the possibility of blockage during material spraying is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical fields of spraying devices, atomizing devices, and nozzles, and particularly relates to a double-sided spraying device for lithium battery separator production. Background Art

[0002] There is a process in the production of lithium battery separators, namely coating film: mainly coating on the wet base film, which can solve the defect of poor thermal stability of wet separators and is the mainstream technical route in the current separator industry. When spraying, in order to improve the spraying efficiency, the spraying material is sprayed in a double-sided spraying manner. The Chinese utility model patent, with the authorization announcement number "CN211707211U", discloses a double-sided spraying device for lithium battery separator production, including a machine body, on which a spraying structure and a drying structure are installed; the spraying structure includes: a plurality of bearings, a rotating motor, a plurality of rollers, a plurality of belt pulleys, a belt, a liquid storage tank, a partition plate, a first automatic spray head, a first solenoid valve, a second automatic spray head, and a second solenoid valve; the plurality of bearings are respectively arranged on the machine body, and the rotating motor is arranged in the machine body and the driving end respectively penetrates through one of the plurality of bearings.

[0003] The above technical solution is simple in structure, reasonable in design, automatically sprays the coating on the separator, and is provided with a drying structure to immediately dry after spraying, making the spraying effect better. The coating can be collected and reused, greatly saving materials. However, considering that when the material is sprayed, there is a problem that it condenses into blocks and blocks the conveying pipeline of the spraying material. Summary of the Utility Model

[0004] The purpose of the present utility model is to solve at least one of the technical problems existing in the prior art, and provide a double-sided spraying device for lithium battery separator production, which can solve the problem that when the material is sprayed, it condenses into blocks and blocks the conveying pipeline of the spraying material.

[0005] To achieve the above purpose, the present utility model provides the following technical solution: A double-sided spraying device for lithium battery separator production, including a spraying housing and a material bucket, and the material bucket is installed on the spraying housing by screws;

[0006] An anti-blocking component is arranged on the material bucket. The anti-blocking component includes a motor, a feeding pipe, a cleaning strip, a stirring shaft, a heating ring, a discharging pipe, and stirring blades. The feeding pipe is welded on the material bucket, the motor is installed on the material bucket by screws, and the output shaft of the motor rotates through the upper surface of the material bucket;

[0007] The reciprocating spraying assembly is arranged inside the spraying housing. The reciprocating spraying assembly includes two spraying heads, two connecting pieces, two threaded rods, two first gears, two second gears, two motors and two sliding grooves. The two sliding grooves are respectively arranged at the upper and lower ends of the spraying housing. The two connecting pieces slide inside the corresponding sliding grooves. The two spraying heads fixedly penetrate through the corresponding connecting pieces. The interiors of the two connecting pieces are both threadedly connected to the surfaces of the corresponding threaded rods.

[0008] Preferably, the stirring shaft is fixedly sleeved on the output shaft of the motor, and multiple stirring blades are fixedly sleeved on the stirring shaft.

[0009] Preferably, the two cleaning strips are both welded to the corresponding stirring blades. The discharge pipe is welded to the lower end of the material barrel, and the heating ring is fixedly sleeved on the discharge pipe.

[0010] Preferably, the two threaded rods both rotatably penetrate through the outer brackets of the spraying housing, and the two first gears are respectively fixedly sleeved on the corresponding threaded rods.

[0011] Preferably, the two motors are respectively installed on the corresponding outer brackets of the spraying housing. The two second gears are both installed on the output shafts of the corresponding motors, and the two second gears are both meshed with the surfaces of the corresponding first gears.

[0012] Preferably, a hydraulic pump is installed on the material barrel by screws. The input end of the hydraulic pump is connected to the discharge pipe, and two pipes are installed at the output end of the hydraulic pump. The two pipes are both flexible hoses, and the other ends of the two pipes are respectively installed on the corresponding spraying heads.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] (1). For this double-sided spraying device for lithium battery separator production, by arranging the stirring blades and cleaning strips in the anti-blocking assembly, the stirring blades and cleaning strips rotate first to disperse the sprayed material, break up large pieces of material, and then after passing through the interior of the discharge pipe, the heating ring heats it to increase the solubility of the solution in the sprayed material, thereby absorbing small particles, avoiding blockage problems during the movement of small particles in the pipeline, reducing the possibility of blockage during material spraying, and thus improving the smoothness of spraying the lithium battery separator.

[0015] (2). For this double-sided spraying device for lithium battery separator production, by arranging the threaded rods in the reciprocating spraying assembly, the two threaded rods can rotate to drive the corresponding spraying heads to reciprocate, spraying the lithium battery separator. The reciprocating movement can expand the spraying range of the spraying heads, thereby improving the spraying efficiency. Description of the Drawings

[0016] The following further describes the present utility model in conjunction with the drawings and embodiments:

[0017] Figure 1 This is the structural schematic diagram of the whole utility model;

[0018] Figure 2 This is the internal schematic diagram of the spraying housing of the utility model;

[0019] Figure 3 This is the internal schematic diagram of the material bucket of the utility model;

[0020] Figure 4 This is the utility model Figure 2 The enlarged schematic diagram at position A in the middle.

[0021] Reference numerals: 1. Spraying housing; 2. Material bucket; 3. Spraying head; 4. Connector; 5. Pipeline; 6. Hydraulic pump; 7. Motor; 8. Feeding pipe; 9. Cleaning strip; 10. Stirring shaft; 11. Heating ring; 12. Discharge pipe; 13. Stirring blade; 14. Threaded rod; 15. First gear; 16. Second gear; 17. Motor; 18. Sliding groove. Specific embodiments

[0022] This part will describe the specific embodiments of the utility model in detail. The preferred embodiments of the utility model are shown in the drawings. The role of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] In the description of the utility model, it should be understood that for the orientation description, such as the upper, lower, front, rear, left, right, etc. indicating the orientation or position relationship is based on the orientation or position relationship shown in the drawings. It is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation on the utility model.

[0024] In the description of the utility model, greater than, less than, exceeding, etc. are understood as not including the number itself, and above, below, within, etc. are understood as including the number itself. If the first and second are described, it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or the sequence relationship of the indicated technical features.

[0025] In the description of the utility model, unless otherwise clearly defined, words such as setting, installing, connecting, etc. should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meanings of the above words in the utility model in combination with the specific content of the technical solution.

[0026] Please refer to Figures 1-4, the utility model provides a technical solution: a double-sided spraying device for lithium battery separator production, including a spraying housing 1 and a material barrel 2, and the material barrel 2 is installed on the spraying housing 1 by screws;

[0027] An anti-blocking component is arranged on the material barrel 2. The anti-blocking component includes a motor 7, a feeding pipe 8, a cleaning strip 9, a stirring shaft 10, a heating ring 11, a discharging pipe 12 and stirring blades 13. The feeding pipe 8 is welded on the material barrel 2, the motor 7 is installed on the material barrel 2 by screws, and the output shaft of the motor 7 rotates through the upper surface of the material barrel 2;

[0028] A reciprocating spraying component is arranged inside the spraying housing 1. The reciprocating spraying component includes two spraying heads 3, two connecting pieces 4, two threaded rods 14, two first gears 15, two second gears 16, two motors 17 and two sliding grooves 18. The two sliding grooves 18 are respectively arranged at the upper and lower ends of the spraying housing 1, the two connecting pieces 4 slide inside the corresponding sliding grooves 18, the two spraying heads 3 are fixedly penetrated through the corresponding connecting pieces 4, and the interiors of the two connecting pieces 4 are both threadedly connected with the surfaces of the corresponding threaded rods 14.

[0029] The stirring shaft 10 is fixedly sleeved on the output shaft of the motor 7, and a plurality of stirring blades 13 are fixedly sleeved on the stirring shaft 10.

[0030] The two cleaning strips 9 are both welded on the corresponding stirring blades 13, the discharging pipe 12 is welded on the lower end of the material barrel 2, and the heating ring 11 is fixedly sleeved on the discharging pipe 12.

[0031] The two threaded rods 14 both rotate through the outer brackets of the spraying housing 1, and the two first gears 15 are respectively fixedly sleeved on the corresponding threaded rods 14.

[0032] The two motors 17 are respectively installed on the outer brackets of the corresponding spraying housing 1, the two second gears 16 are both installed on the output shafts of the corresponding motors 17, and the two second gears 16 are both meshed with the surfaces of the corresponding first gears 15.

[0033] A hydraulic pump 6 is installed on the material barrel 2 by screws. The input end of the hydraulic pump 6 is connected to the discharging pipe 12, the output end of the hydraulic pump 6 is provided with two pipes 5, the two pipes 5 are both flexible hoses, and the other ends of the two pipes 5 are respectively installed on the corresponding spraying heads 3.

[0034] When spraying the lithium battery separator is required, first, pour the spraying material into the interior of the material barrel 2 via the feed pipe 8. Subsequently, start the motor 7 to drive the stirring shaft 10 to rotate. The rotation of the stirring shaft 10 drives a plurality of stirring blades 13 to rotate and stir the spraying material inside the material barrel 2. At the same time, the rotation of the plurality of stirring blades 13 drives the corresponding cleaning strips 9 to rotate. The rotation of the two cleaning strips 9 causes the material on the inner wall of the material barrel 2 to move, preventing it from solidifying on the inner wall of the material barrel 2. Subsequently, start the hydraulic pump 6 and the heating ring 11 to drive the material inside the material barrel 2 into the interiors of the corresponding two spraying heads 3. When the material passes through the discharge pipe 12, it is heated by the heating ring 11, thereby preventing the condensate in the coating from clogging the two pipes 5.

[0035] When uniform spraying of the material is required, first, start the two motors 17 to drive the corresponding second gears 16 to rotate. The rotation of the two second gears 16 both drives the corresponding first gears 15 to rotate. The rotation of the two first gears 15 both drives the corresponding threaded rods 14 to rotate. The rotation of the two threaded rods 14 both drives the corresponding connecting members 4 to move. The movement of the two connecting members 4 both drives the corresponding spraying heads 3 to move and spray the material.

[0036] By providing the stirring blades 13 and the cleaning strips 9 in the anti-blocking assembly, the stirring blades 13 and the cleaning strips 9 first rotate to disperse the sprayed material, break up the large pieces of material. Then, after passing through the interior of the discharge pipe 12, it is heated by the heating ring 11, which increases the solubility of the solution in the sprayed material, thereby absorbing small particles and preventing small particles from causing blockage problems during the movement of the pipe 5, thus reducing the possibility of blockage during material spraying, and thereby improving the smoothness of spraying the lithium battery separator.

[0037] By providing the threaded rods 14 in the reciprocating spraying assembly, the two threaded rods 14 can rotate to drive the corresponding spraying heads 3 to reciprocate and spray the lithium battery separator. The reciprocating movement can expand the spraying range of the spraying heads 3, thereby improving the spraying efficiency.

[0038] Working principle:

[0039] When spraying the lithium battery separator is required, first, pour the spraying material into the interior of the material barrel 2 via the feed pipe 8. Subsequently, start the motor 7 to drive the stirring shaft 10 to rotate. The stirring shaft 10 drives a plurality of stirring blades 13 to rotate. At the same time, the plurality of stirring blades 13 drive the corresponding cleaning strips 9 to rotate. The two cleaning strips 9 cause the material on the inner wall of the material barrel 2 to move. Subsequently, start the hydraulic pump 6 and the heating ring 11 to drive the material inside the material barrel 2 into the interiors of the corresponding two spraying heads 3. When the material passes through the discharge pipe 12, it is heated by the heating ring 11.

[0040] When it is necessary to evenly spray materials, first, start the two motors 17 to drive the corresponding second gears 16 to rotate. The two second gears 16 both drive the corresponding first gears 15 to rotate. The two first gears 15 both drive the corresponding threaded rods 14 to rotate. The two threaded rods 14 both drive the corresponding connectors 4 to move.

[0041] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art in the said technical field, various changes can also be made without departing from the gist of the present invention.

Claims

1. A double-sided spraying device for the production of lithium battery separators, characterized in that, Including: A spraying housing (1) and a material barrel (2), and the material barrel (2) is screw-mounted on the spraying housing (1); An anti-blocking component is arranged on the material barrel (2). The anti-blocking component includes a motor (7), a feeding pipe (8), a cleaning strip (9), a stirring shaft (10), a heating ring (11), a discharging pipe (12) and stirring blades (13). The feeding pipe (8) is welded on the material barrel (2), the motor (7) is screw-mounted on the material barrel (2), and the output shaft of the motor (7) rotates through the upper surface of the material barrel (2); A reciprocating spraying component is arranged inside the spraying housing (1). The reciprocating spraying component includes two spraying heads (3), two connecting pieces (4), two threaded rods (14), two first gears (15), two second gears (16), two motors (17) and two sliding grooves (18). The two sliding grooves (18) are respectively arranged at the upper and lower ends of the spraying housing (1), the two connecting pieces (4) slide inside the corresponding sliding grooves (18), the two spraying heads (3) are fixedly penetrated through the corresponding connecting pieces (4), and the inside of the two connecting pieces (4) is threadedly connected to the surface of the corresponding threaded rod (14).

2. The double-sided spraying device for lithium battery separator production according to claim 1, characterized in that: The stirring shaft (10) is fixedly sleeved on the output shaft of the motor (7), and a plurality of stirring blades (13) are fixedly sleeved on the stirring shaft (10).

3. The double-sided spraying device for lithium battery separator production according to claim 1, characterized in that: The two cleaning strips (9) are both welded on the corresponding stirring blades (13), the discharging pipe (12) is welded at the lower end of the material barrel (2), and the heating ring (11) is fixedly sleeved on the discharging pipe (12).

4. A double-sided spraying device for the production of lithium battery diaphragms according to claim 1, characterized in that: The two threaded rods (14) both rotate through the outer bracket of the spraying housing (1), and the two first gears (15) are respectively fixedly sleeved on the corresponding threaded rods (14).

5. The double-sided spraying device for lithium battery separator production according to claim 1, characterized in that: The two motors (17) are respectively installed on the outer brackets of the corresponding spraying housing (1), the two second gears (16) are both installed on the output shafts of the corresponding motors (17), and the two second gears (16) are both meshed with the surfaces of the corresponding first gears (15).

6. The double-sided spraying device for lithium battery separator production according to claim 1, characterized in that: A hydraulic pump (6) is screw-mounted on the material barrel (2). The input end of the hydraulic pump (6) is connected to the discharging pipe (12), the output end of the hydraulic pump (6) is provided with two pipes (5), the two pipes (5) are both flexible hoses, and the other ends of the two pipes (5) are respectively installed on the corresponding spraying heads (3).

Citation Information

Patent Citations

  • Double-sided spraying equipment for producing lithium battery diaphragm

    CN211707211U