Multi-region sub-control intermittent coating die head
By designing a multi-area divided-controlled intermittent coating die head, adopting a dual-cavity structure, a separate feed port and a batch valve, the problem of time-consuming, labor-intensive and cost-effective electrode production is solved, and efficient and accurate electrode production is achieved.
Patent Information
- Application Number
- CN202421274257.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-05
Smart Images
Figure CN222642431U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coating die heads, in particular to a multi-region sub-controlled intermittent coating die head. Background Art
[0002] In a battery, an electrode generally refers to the location where redox reactions occur with an electrolyte solution. Electrodes can be positive or negative. Generally, the positive electrode is the cathode, which gains electrons and undergoes a reduction reaction, while the negative electrode is the anode, which loses electrons and undergoes an oxidation reaction. Electrodes can be metal or non-metal, as long as they can exchange electrons with an electrolyte solution, they become electrodes.
[0003] At present, electrodes are usually formed by coating, where the electrode material is coated on the foil in the form of a coating, and finally formed on the foil. The electrode is usually set as Figure 6 , 7 shape (or other required shapes). There are several production methods on the market:
[0004] ① During coating, tape is applied on the foil to form the required electrode shape between the tapes. In this way, the electrode material is directly coated on the foil during coating. When it comes to the back-end process, the tape is torn off to form the required electrode shape.
[0005] ② The electrode material is directly coated on the foil. When coating to the later stage, the slurry in the unnecessary area is removed by laser, and the remaining electrode material forms the required electrode shape.
[0006] However, the above methods are time-consuming, labor-intensive, and costly, and do not meet the conditions for efficient production. Therefore, there is an urgent need for an efficient and accurate production method. Utility Model Content
[0007] The purpose of the utility model is to provide a multi-zone controlled intermittent coating die head to solve the problem that the existing implementation method proposed in the above background technology is time-consuming, labor-intensive, and costly and does not meet the requirements of efficient production.
[0008] To achieve the above object, the utility model provides the following technical solution: a multi-zone controlled intermittent coating die head, comprising:
[0009] A coating die assembly, wherein a coating material storage chamber 1 and a coating material storage chamber 2 are arranged inside the coating die assembly, and the right side of the coating die assembly is open;
[0010] A layered gasket, the layered gasket is located inside the coating die assembly, and the right end of the layered gasket extends to the right opening of the coating die assembly, a coating flow path 1 and a coating flow path 2 are formed on the layered gasket, the coating flow path 1 and the coating flow path 2 extend to the right opening of the coating die assembly, and the coating flow path 1 and the coating flow path 2 are respectively connected to the coating material storage chamber 1 and the coating material storage chamber 2;
[0011] The paint inlet pipe 1 and the paint inlet pipe 2 are connected to the coating material storage chamber 1 and the coating material storage chamber 2 respectively.
[0012] Preferably, the coating die assembly includes an upper die and a lower die, the positions of the upper die and the lower die correspond to each other, and the upper die is located directly above the lower die, the upper die and the lower die are connected, and the coating material storage chamber 1 and the coating material storage chamber 2 are opened on the upper surface of the lower die.
[0013] Preferably, the front and rear side walls between the upper die head and the lower die head are both provided with connecting blocks, and the connecting blocks are connected to the side walls of the upper die head and the lower die head by screws.
[0014] Preferably, the left side of the lower die head is connected to a shaft seat via screws, the upper side of the shaft seat is connected to a rotating seat via a rotating shaft, and the rotating seat is connected to the left side wall of the upper die head via screws.
[0015] Preferably, a protruding extrusion strip is provided on the side close to the right side wall of the upper die head and the lower die head.
[0016] Preferably, a positioning hole is provided at the edge of the layered gasket, and a positioning column matching the positioning hole is provided on the upper surface of the lower die head, and the height of the positioning column is not greater than the thickness of the layered gasket.
[0017] Preferably, intermittent valves are installed on the pipelines of the paint inlet pipe 1 and the paint inlet pipe 2.
[0018] Preferably, the upper surface of the layered gasket is provided with a plurality of recessed grooves, and a coating outlet is provided at an opening of the recessed groove away from the right side of the coating die assembly. The recessed grooves and the coating outlet constitute a coating flow channel, and the coating flow channel 2 is formed on the lower side between adjacent recessed grooves.
[0019] Preferably, a Z-shaped bracket is provided on the right side of the upper surface of the coating die head assembly, and a micrometer adjustment assembly is installed on the Z-shaped bracket. The lower side of the micrometer adjustment assembly extends to the interior of the coating die head assembly, and the lower side of the micrometer adjustment assembly is connected to the upper surface of the layered gasket, and the lower side of the micrometer adjustment assembly is staggered with the first coating flow channel and the second coating flow channel.
[0020] Compared with the prior art, the beneficial effects of the utility model are:
[0021] There are two cavities in the die head, one cavity is responsible for the intermittent coating in the middle, and the other cavity is responsible for the intermittent coating at the edge. The two cavities are equipped with separate feed ports and separate intermittent valves to control the coating of each area.
[0022] The upper die head is provided with a micrometer adjustment component for controlling the position of the layering gasket, thereby controlling the thickness of the discharge of the first and second flow channels of the coating.
[0023] By adopting the control method of this scheme, the coated electrode can be formed in one step, and the product quality is better. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a schematic diagram of the structure of the utility model;
[0025] Figure 2 This is a schematic diagram of the structure of the upper die head and the lower die head of the utility model;
[0026] Figure 3 It is a structural schematic diagram of the lower surface of the layered gasket of the utility model;
[0027] Figure 4 It is a structural schematic diagram of the lower surface of the layered gasket of the utility model;
[0028] Figure 5 This is a schematic diagram of the structure of the utility model when in use;
[0029] Figure 6 This is a schematic diagram of the structure of one type of battery electrode after coating in the utility model;
[0030] Figure 7 It is a structural schematic diagram of tearing the electrode by tearing the glue of the electrode in the prior art.
[0031] In the figure: 1. upper die head; 2. lower die head; 3. layered gasket; 4. Z-shaped bracket; 5. micrometer adjustment assembly; 6. protruding extrusion strip; 7. connecting block; 8. rotating seat; 9. shaft seat; 10. paint inlet pipe 1; 11. paint inlet pipe 2; 12. intermittent valve; 13. coating material storage chamber 1; 14. coating material storage chamber 2; 15. recessed groove; 16. coating material outlet 1; 17. coating material flow channel 2. DETAILED DESCRIPTION
[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0033] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0034] Embodiment 1:
[0035] See also Figure 1-7 The utility model provides a technical solution: a multi-region sub-control intermittent coating die head, comprising: a coating die head assembly, a layered gasket 3, a coating inlet pipe 10 and a coating inlet pipe 2 11;
[0036] The interior of the coating die head assembly is provided with a coating material storage chamber 13 and a coating material storage chamber 2 14, the right side of the coating die head assembly is open, the layered gasket 3 is located inside the coating die head assembly, and the right end of the layered gasket 3 extends to the right side opening of the coating die head assembly, a coating flow channel 1 and a coating flow channel 2 17 are formed on the layered gasket 3, the coating flow channel 1 and the coating flow channel 2 17 extend to the right side opening of the coating die head assembly, the coating flow channel 1 and the coating flow channel 2 17 are respectively connected to the coating material storage chamber 1 13 and the coating material storage chamber 2 14, the coating inlet pipe 1 10 and the coating inlet pipe 2 11 are respectively connected to the coating material storage chamber 1 13 and the coating material storage chamber 2 14, and intermittent valves 12 are installed on the pipelines of the coating inlet pipe 10 and the coating inlet pipe 2 11.
[0037] Analysis of the above content: When in use, the paint inlet pipe 10 and the paint inlet pipe 2 11 are respectively connected to the fluid electrode raw material storage tank, and the intermittent valve 12 and the suction pump are installed on the pipelines of the paint inlet pipe 10 and the paint inlet pipe 2 11. An external PLC controller is set in advance. The PLC controller controls the output of the intermittent valve 12 and the suction pump, so that the working mode of the intermittent valve 12 and the suction pump is controlled.
[0038] The electrode raw material in fluid form enters the coating material storage chamber 13 and the coating material storage chamber 2 14 respectively, and the electrode raw material in fluid form flows out from the coating material storage chamber 13 and the coating material storage chamber 2 14 and enters the coating material flow channel 1 and the coating material flow channel 2 17 respectively. Figure 5 As shown), the back roller supports the foil, and the output electrode raw material is coated on the foil. By controlling the working and stopping mode of the intermittent valve 12 and the suction pump, the electrode raw material is controlled according to Figure 6 Or other required shapes can be coated on the foil.
[0039] Embodiment 2:
[0040] See also Figure 1-7 The utility model provides a technical solution based on Example 1: the coating die assembly includes an upper die 1 and a lower die 2, the positions of the upper die 1 and the lower die 2 correspond to each other, and the upper die 1 is located directly above the lower die 2, the upper die 1 and the lower die 2 are connected, and the coating material storage cavity 1 13 and the coating material storage cavity 2 14 are opened on the upper surface of the lower die 2.
[0041] Analysis of the above content: The upper die head 1 and the lower die head 2 are connected in a split manner, which is convenient for disassembly, assembly and maintenance. The upper die head 1 and the lower die head 2 are made of cast iron or stainless steel. The connection between the upper die head 1, the lower die head 2 and the layered gasket 3 is a sealed connection, and only the right side of the layered gasket 3 can be connected from the right opening of the coating die assembly. In this way, the electrode raw materials in the first coating flow channel and the second coating flow channel 17 can only be output from the right opening of the coating die assembly, and the first coating flow channel and the second coating flow channel 17 separate the two streams of electrode raw materials on the upper and lower sides of the layered gasket 3.
[0042] Embodiment three:
[0043] See also Figure 1-7 The utility model provides a technical solution based on the second embodiment: the front and rear side walls between the upper die head 1 and the lower die head 2 are both provided with connecting blocks 7, and the connecting blocks 7 are connected to the side walls of the upper die head 1 and the lower die head 2 by screws.
[0044] Analysis of the above content: The connecting block 7 is a rectangular block, and the connecting block 7 is also made of cast iron or stainless steel. After the front and rear connecting blocks 7 are connected to the upper die head 1 and the lower die head 2, the upper die head 1 and the lower die head 2 are tightly attached to each other.
[0045] Embodiment 4:
[0046] See also Figure 1-7 The utility model provides a technical solution based on the second embodiment: the left side of the lower die head 2 is connected with an axle seat 9 by screws, the upper side of the axle seat 9 is connected with a rotating seat 8 by a rotating shaft, and the rotating seat 8 is connected to the left side wall of the upper die head 1 by screws.
[0047] Analysis of the above content: the rotating seat 8 can rotate relative to the shaft seat 9 through the rotating shaft, so that the upper die head 1 can rotate relative to the lower die head 2. When the upper die head 1 and the lower die head 2 are inspected or cleaned, the upper die head 1 can be turned up relative to the lower die head 2.
[0048] Embodiment five:
[0049] See also Figure 1-7The utility model provides a technical solution based on the second embodiment: a protruding extrusion strip 6 is provided on the side close to the right side wall of the upper die head 1 and the lower die head 2.
[0050] Analysis of the above content: The protruding extrusion strip 6 is set to be a flat long strip, the protruding extrusion strip 6 presses the layered gasket 3 from the upper and lower sides, and the layered gasket 3 can be closer to the back roller, so that the electrode raw material is coated on the foil on the back roller.
[0051] Embodiment six:
[0052] See also Figure 1-7 The utility model provides a technical solution based on the second embodiment: a positioning hole is opened at the edge of the layered gasket 3, and a positioning column matching the positioning hole is provided on the upper surface of the lower die head 2, and the height of the positioning column is not greater than the thickness of the layered gasket 3.
[0053] Analysis of the above content: Through the cooperation of the positioning hole and the positioning column, the height setting of the positioning column can limit the layered gasket 3 without affecting the installation between the upper die head 1 and the lower die head 2.
[0054] Embodiment seven:
[0055] See also Figure 1-7 The utility model provides a technical solution based on Example 1: a plurality of recessed grooves 15 are provided on the upper surface of the layered gasket 3, and a coating outlet 16 is provided at the opening of the recessed groove 15 away from the right side of the coating die assembly. The recessed groove 15 and the coating outlet 16 constitute a coating flow channel, and the coating flow channel 2 17 is formed on the lower side between adjacent recessed grooves 15.
[0056] Embodiment eight:
[0057] See also Figure 1-7 The utility model provides a technical solution based on Example 1: a Z-shaped bracket 4 is arranged on the right side of the upper surface of the coating die head assembly, and a micrometer adjustment assembly 5 is installed on the Z-shaped bracket 4. The lower side of the micrometer adjustment assembly 5 extends to the interior of the coating die head assembly, and the lower side of the micrometer adjustment assembly 5 is connected to the upper surface of the layered gasket 3, and the lower side of the micrometer adjustment assembly 5 is staggered with the first coating flow channel and the second coating flow channel 17.
[0058] The above content is analyzed: the micrometer adjustment component 5 adjusts the height of the right side of the layered gasket 3 by rotating, thereby adjusting the thickness of the electrode raw material output from the first coating flow channel and the second coating flow channel 17. The micrometer adjustment component 5 is the existing fine-tuning micrometer.
[0059] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values (e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.
[0060] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.
[0061] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A multi-zone controlled intermittent coating die head, characterized in that: include: A coating die assembly, wherein a coating material storage chamber 1 (13) and a coating material storage chamber 2 (14) are provided inside the coating die assembly, and the right side of the coating die assembly is open; A layered gasket (3), wherein the layered gasket (3) is located inside the coating die assembly, and the right end of the layered gasket (3) extends to the right opening of the coating die assembly, and a first coating flow channel and a second coating flow channel (17) are formed on the layered gasket (3), and the first coating flow channel and the second coating flow channel (17) extend to the right opening of the coating die assembly, and the first coating flow channel and the second coating flow channel (17) are respectively connected to the first coating material storage chamber (13) and the second coating material storage chamber (14); A paint inlet pipe 1 (10) and a paint inlet pipe 2 (11), wherein the paint inlet pipe 1 (10) and the paint inlet pipe 2 (11) are respectively connected to a coating material storage chamber 1 (13) and a coating material storage chamber 2 (14).
2. A multi-zone controlled intermittent coating die head according to claim 1, characterized in that: The coating die assembly comprises an upper die (1) and a lower die (2), wherein the positions of the upper die (1) and the lower die (2) correspond to each other, and the upper die (1) is located directly above the lower die (2), and the upper die (1) and the lower die (2) are connected, and the coating material storage chamber 1 (13) and the coating material storage chamber 2 (14) are opened on the upper surface of the lower die (2).
3. A multi-zone controlled intermittent coating die head according to claim 2, characterized in that: The front and rear side walls between the upper die head (1) and the lower die head (2) are both provided with connection blocks (7), and the connection blocks (7) are connected to the side walls of the upper die head (1) and the lower die head (2) by means of screws.
4. A multi-zone controlled intermittent coating die head according to claim 2, characterized in that: The left side of the lower die head (2) is connected to an axle seat (9) via screws, the upper side of the axle seat (9) is connected to a rotating seat (8) via a rotating shaft, and the rotating seat (8) is connected to the left side wall of the upper die head (1) via screws.
5. The multi-zone controlled intermittent coating die head according to claim 2, characterized in that: A protruding extrusion strip (6) is provided on the side close to the right side walls of the upper die head (1) and the lower die head (2).
6. The multi-zone controlled intermittent coating die head according to claim 2, characterized in that: A positioning hole is provided at the edge of the layered gasket (3), and a positioning column matching the positioning hole is provided on the upper surface of the lower die head (2), wherein the height of the positioning column is not greater than the thickness of the layered gasket (3).
7. The multi-zone controlled intermittent coating die head according to claim 1, characterized in that: Intermittent valves (12) are installed on the pipelines of the paint inlet pipe 1 (10) and the paint inlet pipe 2 (11).
8. The multi-zone controlled intermittent coating die head according to claim 1, characterized in that: The upper surface of the layered gasket (3) is provided with a plurality of recessed grooves (15), and a coating material outlet (16) is provided at an opening of the recessed groove (15) away from the right side of the coating die assembly. The recessed grooves (15) and the coating material outlet (16) constitute a coating material flow channel, and the coating material flow channel (17) is formed at the lower side between adjacent recessed grooves (15).
9. The multi-zone controlled intermittent coating die head according to claim 1, characterized in that: A Z-shaped bracket (4) is provided on the right side of the upper surface of the coating die head assembly, and a micrometer adjustment assembly (5) is installed on the Z-shaped bracket (4). The lower side of the micrometer adjustment assembly (5) extends to the interior of the coating die head assembly, and the lower side of the micrometer adjustment assembly (5) is connected to the upper surface of the layered gasket (3), and the lower side of the micrometer adjustment assembly (5) is staggered with the first coating flow channel and the second coating flow channel (17).