Coating die head and coating machine

By introducing a slot and locking mechanism into the coating die, the problem of cumbersome assembly and disassembly of the cavity module is solved, enabling rapid assembly and disassembly of the cavity module and improving coating quality and production efficiency.

CN224025486UActive Publication Date: 2026-03-24DONGGUAN BAOLU SHENG PRECISION MACHINERY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The existing coating die head cavity module has a cumbersome disassembly and assembly operation, resulting in low disassembly and assembly efficiency, which affects the consistency of coating quality and production efficiency.

Method used

The design employs a plug-in slot and locking mechanism, enabling quick assembly and disassembly of the cavity module through the cooperation between the plug-in part and the plug-in slot, thus eliminating the need for traditional bolt fixing.

Benefits of technology

The process of disassembling and assembling the cavity module has been simplified, improving the efficiency of disassembly and assembly, and ensuring the consistency of coating quality and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a coating die head and discloses a coater with the coating die head, the coating die head comprises a first die head, a cavity module, a locking piece, an adjusting piece and a second die head, the first die head is provided with an accommodating groove, the cavity module is provided with a material cavity and an inserting groove, the cavity module is arranged in the accommodating groove, and the locking piece is arranged on the second die head. The locking piece is movably arranged on the first die head and provided with an inserting-connecting part, when the locking piece moves, the inserting-connecting part enters or retreats from the inserting-connecting groove, when the inserting-connecting part enters the inserting-connecting groove, the inserting-connecting part abuts against the side wall of the inserting-connecting groove so as to lock the first die head and the cavity module, and the adjusting piece is movably arranged on the first die head. The adjusting part is used for enabling the inserting part to enter or exit from the inserting groove, the second die head covers the first die head, the second die head and the first die head define a discharging channel, and the discharging channel communicates with the material cavity, the traditional operation of disassembling and assembling the cavity module through screws can be abandoned, operation is convenient, simple and rapid, and the disassembling and assembling efficiency of the cavity module can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coating machine, especially a coating die head and coating machine. BACKGROUND

[0002] Coating is an essential process in the production of lithium ion batteries, and is also a key process that directly affects the safety, capacity, life and other performances of the battery. The coating process is to uniformly, continuously or intermittently coat the prepared coating slurry on the substrate. The accuracy and consistency of this process are crucial to the quality of the final battery product.

[0003] At present, in order to improve the universality of the coating die head, the coating die head on the market is provided with a detachable cavity module. When the coating area of the substrate has the problem of uneven slurry coating, the problem can be solved by detaching the cavity module and replacing a new cavity module. This replaceable design can theoretically improve production efficiency and product quality.

[0004] However, the existing cavity module is usually installed on the coating die head by bolt fixation. This installation method has obvious defects: the disassembly and assembly of the cavity module are cumbersome, and multiple bolts need to be disassembled and installed using tools, which not only consumes time, but also may cause bolt damage or loss due to improper operation. In addition, frequent disassembly and assembly may cause thread wear, affecting the fixing effect. These factors comprehensively result in low disassembly and assembly efficiency of the cavity module, causing unnecessary production delay when the cavity module needs to be quickly replaced to respond to changes in production demand or solve coating problems.

[0005] More importantly, in the process of high-precision coating, the installation precision of the cavity module directly affects the coating quality. The bolt fixation method is difficult to ensure that the position of the cavity module is completely consistent after each installation, which may cause uneven coating or precision deviation, affecting the consistency of product quality. INVENTION CONTENTS

[0006] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides a coating die head which can improve the disassembly and assembly efficiency of the cavity module.

[0007] The utility model further provides a coating machine with the above-mentioned coating die head.

[0008] According to the coating die head of the first aspect embodiment of the utility model, comprising:

[0009] The first die head is provided with a containing groove;

[0010] The cavity module has a material cavity and a plug-in slot, and the cavity module is arranged in the containing groove;

[0011] The locking piece is movably arranged on the first die head, and the locking piece is provided with a plug-in part.

[0012] The adjusting piece is movably arranged on the first die head, and the adjusting piece is used for making the plug-in part enter or exit the plug-in slot.

[0013] The second die head is arranged on the first die head, and the second die head and the first die head enclose a discharging channel, and the discharging channel is communicated with the material cavity.

[0014] The coating die head has at least the following beneficial effects:

[0015] When the cavity module is disassembled, the operator can move the adjusting piece to make the plug-in part exit the plug-in slot, so that the cavity module can be taken out in the accommodating groove. Then, the operator can place a new cavity module in the accommodating groove, and reversely move the adjusting piece to make the plug-in part enter the plug-in slot. The side wall of the plug-in slot abuts against the plug-in part to limit the movement of the cavity module in the direction of exiting the accommodating groove. The cavity module is quickly disassembled and assembled through the cooperation of the plug-in slot and the plug-in part, and the traditional operation of disassembling and assembling the cavity module through screws can be abandoned. Therefore, the operation is convenient, simple and fast, and the disassembly and assembly efficiency of the cavity module is improved.

[0016] According to some embodiments of the present application, the adjusting piece is rotatably arranged on the first die head, and a transmission structure is arranged between the adjusting piece and the locking piece. The adjusting piece drives the locking piece to move through the transmission structure.

[0017] According to some embodiments of the present application, the transmission structure comprises an eccentric part arranged on the adjusting piece and an abutting part arranged on the locking piece, and the eccentric part abuts against the abutting part.

[0018] According to some embodiments of the present application, the adjusting piece comprises a connecting shaft and a screwing part, the screwing part is arranged on one end of the connecting shaft, and the eccentric part is arranged on the other end of the connecting shaft.

[0019] According to some embodiments of the present application, an elastic piece is arranged between the locking piece and the first die head, and the elastic piece is used for making the plug-in part enter the plug-in slot.

[0020] According to some embodiments of the present application, the first die head is provided with a first channel and a second channel communicated with the first channel, at least part of the locking piece is movably arranged in the first channel, and at least part of the adjusting piece is movably arranged in the second channel.

[0021] According to some embodiments of the present application, a guide structure is arranged between the first die and the locking member, and is used to guide the locking member to move along the length direction of the first channel.

[0022] According to some embodiments of the present application, the guide structure comprises a guide strip and a guide groove, one of the guide strip and the guide groove is arranged on the side wall of the first channel, and the other is arranged on the locking member, the guide strip is arranged in the guide groove and abuts against the side wall of the guide groove.

[0023] According to some embodiments of the present application, two plug-in grooves are arranged, one of the two plug-in grooves is arranged at one end of the length direction of the cavity module, and the other is arranged at the other end of the length direction of the cavity module, and the locking member is correspondingly arranged with two.

[0024] The coating machine according to the second aspect of the present application comprises the coating die of the above embodiments.

[0025] The coating machine according to the second aspect of the present application has at least the following beneficial effects:

[0026] When the cavity module is disassembled, the operator can move the adjusting member to make the plug-in part exit the plug-in groove, so that the cavity module can be taken out of the accommodating groove. Then, the operator can place a new cavity module into the accommodating groove, and move the adjusting member in the opposite direction to make the plug-in part enter the plug-in groove. The side wall of the plug-in groove abuts against the plug-in part to limit the movement of the cavity module in the direction of exiting the accommodating groove. The cavity module is quickly disassembled and assembled through the cooperation of the plug-in groove and the plug-in part, which can eliminate the traditional operation of disassembling and assembling the cavity module through screws. The operation is convenient, simple and fast, and the disassembly and assembly efficiency of the cavity module can be improved.

[0027] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0028] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description, with reference to the following drawings, in which:

[0029] Figure 1 FIG. 1 is a structural schematic view of a coating die according to an embodiment of the present application;

[0030] Figure 2 FIG. 2 is an exploded schematic view of the coating die according to the embodiment of the present application;

[0031] Figure 3A top view of the coating die of the embodiment of the present application;

[0032] Figure 4 A Figure 3 A sectional view along line A-A in figure 1;

[0033] Figure 5 A Figure 4 A local enlarged view of part B in figure 1;

[0034] Figure 6 An exploded schematic view of the locking member, the adjusting member and the elastic member of the embodiment of the present application;

[0035] Figure 7 An assembly schematic view of the first die and the locking member of the embodiment of the present application.

[0036] Reference signs:

[0037] The first die 100, the accommodating groove 110, the first channel 120, the second channel 130, the guide groove 140, the cavity module 200, the material cavity 210, the plug-in groove 220, the locking member 300, the plug-in part 310, the abutting part 320, the guide strip 330, the adjusting member 400, the eccentric part 410, the connecting shaft 420, the screwing part 430, the second die 500, the elastic member 600. DETAILED DESCRIPTION

[0038] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0039] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.

[0040] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is two or more, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described as first, second, etc. is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0041] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing, connecting should be understood broadly, and the skilled in the art can determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0042] In the related art, in order to improve the universality of the coating die, the coating die on the market is provided with a detachable cavity module, when the coating area of the substrate has the problem of uneven slurry coating, the cavity module can be disassembled to replace a new cavity module. Since the existing cavity module is installed on the coating die by bolting, the disassembly and assembly operation of the cavity module is complicated, which leads to low disassembly and assembly efficiency of the cavity module.

[0043] Reference Figures 1 to 5 According to the coating die of the utility model, the cavity module 200 is provided with a material cavity 210 and a plug-in groove 220, the cavity module 200 is arranged in the accommodating groove 110, the locking piece 300 is movably arranged on the first die 100, the locking piece 300 is provided with a plug-in part 310, when the locking piece 300 moves, the plug-in part 310 enters or exits the plug-in groove 220, when the plug-in part 310 enters the inside of the plug-in groove 220, the plug-in part 310 abuts against the side wall of the plug-in groove 220 to lock the first die 100 and the cavity module 200, the adjusting piece 400 is movably arranged on the first die 100, the adjusting piece 400 is used to make the plug-in part 310 enter or exit the plug-in groove 220, the second die 500 is arranged on the first die 100, the second die 500 and the first die 100 enclose to form a discharging channel, the discharging channel is communicated with the material cavity 210, in this way, the cavity module 200 is quickly disassembled and assembled through the cooperation of the plug-in groove 220 and the plug-in part 310, the traditional operation of disassembling and assembling the cavity module 200 by screws can be abandoned, the operation is convenient, simple and fast, and the disassembly and assembly efficiency of the cavity module 200 can be improved.

[0044] For example, when the cavity module 200 is disassembled, the operator can move the adjusting piece 400 to make the plug-in part 310 exit the plug-in groove 220, so that the cavity module 200 can be taken out in the accommodating groove 110, then the operator can place a new cavity module 200 in the accommodating groove 110, and reversely move the adjusting piece 400 to make the plug-in part 310 enter the plug-in groove 220, the plug-in part 310 can abut against the side wall of the plug-in groove 220 to limit the movement of the cavity module 200 in the direction of exiting the accommodating groove 110, the cavity module 200 is quickly disassembled and assembled through the cooperation of the plug-in groove 220 and the plug-in part 310, the traditional operation of disassembling and assembling the cavity module 200 by screws can be abandoned, the operation is convenient, simple and fast, and the disassembly and assembly efficiency of the cavity module 200 can be improved.

[0045] With reference to Figures 4 to 6 In some embodiments of the present application, the adjusting member 400 is rotatably arranged on the first die head 100, and a transmission structure is arranged between the adjusting member 400 and the locking member 300. The adjusting member 400 drives the locking member 300 to move through the transmission structure. The operation is simple, convenient and fast, and the adjusting member 400 can drive the plug-in part 310 to enter or exit the plug-in slot 220.

[0046] In some embodiments of the present application, the transmission structure includes an eccentric part 410 arranged on the adjusting member 400 and an abutting part 320 arranged on the locking member 300. The eccentric part 410 abuts against the abutting part 320. The operation is simple, convenient and fast, and the adjusting member 400 can drive the plug-in part 310 to enter or exit the plug-in slot 220.

[0047] For example, by arranging the eccentric part 410, the maximum distance between the abutting part 320 and the rotation axis of the adjusting member 400 increases or decreases during the rotation of the adjusting member 400. When the maximum distance between the abutting part 320 and the rotation axis of the adjusting member 400 is the minimum value, the plug-in part 310 enters the plug-in slot 220. When the maximum distance between the abutting part 320 and the rotation axis of the adjusting member 400 is the maximum value, the plug-in part 310 exits the plug-in slot 220. The operation is simple, convenient and fast, and the adjusting member 400 can drive the plug-in part 310 to enter or exit the plug-in slot 220.

[0048] It should be noted that the adjusting member 400 can also be slidably arranged on the first die head 100. At this time, the transmission structure includes a first inclined surface arranged on the adjusting member 400 and a second inclined surface arranged on the locking member 300. The first inclined surface abuts against the second inclined surface. When the adjusting member 400 slides, the locking member 300 is driven to slide through the cooperation of the first inclined surface and the second inclined surface, and the plug-in part 310 can also be driven to enter or exit the plug-in slot 220, which is not limited herein.

[0049] With reference to Figure 6 In some embodiments of the present application, the adjusting member 400 includes a connecting shaft 420 and a screwing part 430. The screwing part 430 is arranged on one end of the connecting shaft 420, and the eccentric part 410 is arranged on the other end of the connecting shaft 420. The adjusting member 400 is operated through the screwing part 430. The eccentric part 410 cooperates with the abutting part 320 of the locking member 300, and the movement of the eccentric part 410 drives the locking member 300 to move. Through this design, the adjusting process of the locking member 300 can be effectively simplified, and the adjusting operation is more convenient.

[0050] For example, the connecting shaft 420 is arranged between the screwing part 430 and the eccentric part 410, the screwing part 430 of the adjusting part 400 is operated by rotation, and the eccentric part 410 drives the movement of the locking part 300 by cooperating with the abutting part 320 of the locking part 300. The design of the eccentric part 410 effectively utilizes the eccentric moment to push the locking part 300 to complete the required displacement when the screwing part 430 rotates. The design provides a more convenient and efficient adjusting mode, which can more flexibly realize the disassembly and assembly of the cavity module 200, and improves the disassembly and assembly efficiency.

[0051] With reference to Figure 5 In some embodiments of the present application, the locking part 300 and the first die head 100 are provided with an elastic part 600, which is used to make the plug-in part 310 enter the plug-in slot 220. The elastic part 600 automatically enters the plug-in slot 220 by providing elastic force, thereby realizing the locking function, simplifying the operation and improving the disassembly and assembly efficiency.

[0052] For example, the elastic part 600 can be a spring, an elastic gasket or other elastic element. For example, the spring can be arranged between the locking part 300 and the first die head 100, and when the locking part 300 moves, the spring provides elastic force to make the plug-in part 310 automatically enter the plug-in slot 220.

[0053] In addition, other forms of elastic elements can also be used, as long as they can provide sufficient elastic force to ensure that the plug-in part 310 smoothly enters the plug-in slot 220, which will not be described here.

[0054] With reference to Figure 2 In some embodiments of the present application, the first die head 100 is provided with a first channel 120 and a second channel 130 communicated with the first channel 120, at least part of the locking part 300 is movably arranged in the first channel 120, and at least part of the adjusting part 400 is movably arranged in the second channel 130. By arranging the first channel 120 and the second channel 130, the locking part 300 and the adjusting part 400 can move in the respective channels, which is beneficial to the smooth movement and operation of the locking part 300 and the adjusting part 400 on the first die head 100.

[0055] For example, the first channel 120 is arranged along the length direction of the cavity module 200, the second channel 130 is arranged along the up-down direction, and the first channel 120 and the second channel 130 are arranged perpendicularly. The locking part 300 can move along the length direction of the first channel 120, and the adjusting part 400 can rotate around the axis of the second channel 130, which can simplify the operation process of the locking part 300 and the adjusting part 400, and improve the operation efficiency.

[0056] With reference to Figure 5 ,Figure 7 In some embodiments of the utility model, guiding structure is established between first die head 100 and locking piece 300, guiding structure is used for guiding locking piece 300 to move along the length direction of first channel 120, can ensure that locking piece 300 moves along the predetermined path, thereby improve the moving precision and stability of locking piece 300.

[0057] In some embodiments of the utility model, guiding structure includes the guiding strip 330 of the side wall of first channel 120 and the guiding groove 140 of locking piece 300, guiding strip 330 is arranged in guiding groove 140 and is in abutment with the side wall of guiding groove 140, can ensure that locking piece 300 moves along the predetermined path, thereby improve the moving precision and stability of locking piece 300.

[0058] For example, guiding strip 330 extends along the length direction of first channel 120, guiding groove 140 is arranged on the side of locking piece 300 away from adjusting piece 400, guiding strip 330 is arranged in guiding groove 140, and guiding strip 330 is in abutment with the side wall of guiding groove 140, can ensure that locking piece 300 moves along the predetermined path, thereby improve the moving precision and stability of locking piece 300.

[0059] Need to be explained, the position of guiding strip 330 and guiding groove 140 can also interchange, namely guiding strip 330 is arranged on locking piece 300, and guiding groove 140 is arranged on the side wall of first channel 120, can guide locking piece 300, and this is not limited.

[0060] Need to point out, guiding structure can also be the structure that guiding shaft and guiding hole cooperate, for example, guiding shaft is arranged on locking piece 300, guiding hole is arranged on first die head 100, guiding shaft is arranged in guiding hole, also can guide locking piece 300, and this is not limited.

[0061] In some embodiments of the utility model, two plug-in grooves 220 are configured, one of two plug-in grooves 220 is arranged on one end of the length direction of cavity module 200, and the other is arranged on the other end of the length direction of cavity module 200, and locking piece 300 is correspondingly provided with two, so that cavity module 200 can be more stably installed on coating die head, and also facilitates disassembly and replacement.

[0062] It can be understood that the material of locking piece 200 can be selected from wear-resistant and corrosion-resistant materials to improve the service life. Figure 1 、 Figure 2According to the coating machine of the second aspect of the present application, the cavity module 200 is quickly disassembled through the cooperation of the plug-in groove 220 and the plug-in part 310, the operation of disassembling the cavity module 200 through screws can be abandoned, the operation is convenient, simple and fast, and the disassembly efficiency of the cavity module 200 can be improved.

[0063] For example, when disassembling the cavity module 200, the operator can move the adjusting part 400 to make the plug-in part 310 exit the plug-in groove 220, so that the cavity module 200 can be taken out of the accommodating groove 110, then the operator can place a new cavity module 200 in the accommodating groove 110, and move the adjusting part 400 in the opposite direction to make the plug-in part 310 enter the plug-in groove 220, the side wall of the plug-in groove 220 abuts against the plug-in part 310 to limit the movement of the cavity module 200 in the direction of exiting the accommodating groove 110, the cavity module 200 is quickly disassembled through the cooperation of the plug-in groove 220 and the plug-in part 310, the operation of disassembling the cavity module 200 through screws can be abandoned, the operation is convenient, simple and fast, and the disassembly efficiency of the cavity module 200 can be improved.

[0064] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictions, they should be considered as the scope of the present application.

[0065] The present application has been described in detail above with reference to the drawings, but the present application is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application.

Claims

1. A coating die head, characterized in that, include: The first mold head (100) is provided with a receiving groove (110); A cavity module (200) has a material cavity (210) and a insertion slot (220), and the cavity module (200) is disposed in the receiving slot (110); A locking member (300) is movably disposed on the first mold head (100). The locking member (300) is provided with a plug-in part (310). When the locking member (300) moves, the plug-in part (310) enters or exits the plug-in groove (220). When the plug-in part (310) enters the interior of the plug-in groove (220), the plug-in part (310) abuts against the side wall of the plug-in groove (220) to lock the first mold head (100) and the cavity module (200). An adjusting member (400) is movably disposed on the first mold head (100), the adjusting member (400) being used to allow the insertion part (310) to enter or exit the insertion slot (220); The second mold head (500) is placed on top of the first mold head (100). The second mold head (500) and the first mold head (100) enclose each other to form a discharge channel, which is connected to the material cavity (210).

2. The coating die head according to claim 1, characterized in that, The adjusting member (400) is rotatably disposed on the first mold head (100), and a transmission structure is provided between the adjusting member (400) and the locking member (300). The adjusting member (400) drives the locking member (300) to move through the transmission structure.

3. The coating die head according to claim 2, characterized in that, The transmission structure includes an eccentric portion (410) provided on the adjusting member (400) and an abutting portion (320) provided on the locking member (300), wherein the eccentric portion (410) abuts against the abutting portion (320).

4. The coating die head according to claim 3, characterized in that, The adjusting member (400) includes a connecting shaft (420) and a screwing part (430), the screwing part (430) is located at one end of the connecting shaft (420), and the eccentric part (410) is located at the other end of the connecting shaft (420).

5. The coating die head according to claim 1, characterized in that, An elastic element (600) is provided between the locking member (300) and the first mold head (100), and the elastic element (600) is used to allow the insertion part (310) to enter the insertion groove (220).

6. The coating die head according to claim 1, characterized in that, The first mold head (100) is provided with a first channel (120) and a second channel (130) communicating with the first channel (120). At least a portion of the locking member (300) is movably disposed in the first channel (120), and at least a portion of the adjusting member (400) is movably disposed in the second channel (130).

7. The coating die head according to claim 6, characterized in that, A guide structure is provided between the first mold head (100) and the locking member (300), and the guide structure is used to guide the locking member (300) to move along the length direction of the first channel (120).

8. The coating die head according to claim 7, characterized in that, The guiding structure includes a guide strip (330) and a guide groove (140). One of the guide strip (330) and the guide groove (140) is disposed on the side wall of the first channel (120), and the other is disposed on the locking member (300). The guide strip (330) passes through the guide groove (140) and abuts against the side wall of the guide groove (140).

9. The coating die head according to claim 1, characterized in that, Two insertion slots (220) are configured, one of which is located at one end of the cavity module (200) along its length, and the other is located at the other end of the cavity module (200) along its length. Two locking members (300) are configured accordingly.

10. A coating machine, characterized in that, Includes the coating die head as described in any one of claims 1 to 9.