Coating die head

Abstract

The utility model provides a coating die head, which belongs to the technical field of coating equipment and comprises a die head body, a containing groove is arranged on the die head body, and a closure block is arranged in the containing groove. The die head body is provided with a water inlet runner and a water outlet runner, the water inlet runner and the water outlet runner are respectively communicated with the accommodating groove, and the water inlet runner is suitable for being communicated with a liquid supply system. According to the coating die head provided by the utility model, liquid is fed into the accommodating groove through the water inlet flow channel, the accommodating groove and the intercepting block in the accommodating groove are cleaned, most of sewage after cleaning is discharged from the water outlet flow channel, and part of liquid flows out from gaps among the single bodies of the intercepting block; and residual slurry in the intercepting block is cleaned, the manual cleaning process is replaced, the cleaning efficiency is improved, and the coating quality and efficiency are further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coating equipment, in particular to a coating die head. Background Art

[0002] Slot extrusion coating is a precise wet coating technology. Its working principle is that the slurry is extruded and sprayed along the slit of the coating die under a certain pressure and flow rate and transferred to the substrate. Compared with other coating methods, it has many advantages, such as fast coating speed, high precision and uniform humidity.

[0003] The slot extrusion coating die is suitable for a variety of slurries. When the die is coating for a long time or shut down to change the slurry, in order to prevent the slurry deposition from causing dry material to affect the coating, the residual slurry on the die and the interception block needs to be cleaned.

[0004] Usually, the cavity and gasket are cleaned by flipping open the die head through a hinge, which is more convenient. However, for cleaning the cut-off block, it is necessary to first disassemble the top screw or coupling connected to it, and then take out the cut-off block for cleaning. The cleaning process is more cumbersome. Utility Model Content

[0005] Therefore, the utility model aims to solve the defect in the prior art that when cleaning the cut-off block in the coating die head, the top screw or coupling connected to it needs to be disassembled, and then the cut-off block needs to be taken out for cleaning, and the cleaning process is relatively cumbersome, thereby providing a coating die head.

[0006] In order to solve the above technical problems, the utility model provides a coating die head, comprising a die head body, a receiving groove is arranged on the die head body, and a cut-off block is arranged in the receiving groove;

[0007] The die body is provided with a water inlet channel and a water outlet channel, the water inlet channel and the water outlet channel are respectively communicated with the accommodating groove, and the water inlet channel is suitable for communicating with a liquid supply system.

[0008] Optionally, the water inlet channel is arranged along the length direction of the receiving tank, and a first connecting channel is arranged between the water inlet channel and the receiving tank, and the first connecting channel connects the water inlet channel and the receiving tank.

[0009] Optionally, both ends of the water inlet channel are connected to the outside of the die body and are respectively suitable for connecting to the liquid supply system.

[0010] Optionally, a processing hole is provided on the other side of the water inlet channel opposite to the first connecting channel, the processing hole is connected to the outside of the die body, and a plug is provided in the processing hole.

[0011] Optionally, there are two water outlet channels, which are arranged along the length direction of the containing groove and are respectively connected to two ends of the containing groove.

[0012] Optionally, it also includes:

[0013] An embedded block, wherein a mounting groove is arranged on the die body, the embedded block is arranged in the mounting groove, the accommodating groove is arranged on the embedded block, and the water inlet flow channel and the water outlet flow channel are arranged on the embedded block.

[0014] Optionally, the embedded block has a first slot and a second slot arranged along its length direction, the water inlet channel is formed between the first slot and the inner wall of the installation slot, and the water outlet channel is formed between the second slot and the inner wall of the installation slot.

[0015] Optionally, a second communicating flow channel is provided on the embedded block, and the second communicating flow channel communicates the water inlet flow channel and the containing groove;

[0016] The embedded block is provided with a third communicating flow channel, and the third communicating flow channel is connected with the containing groove and the water outlet flow channel.

[0017] Optionally, both ends of the water inlet channel are connected to the outside through water inlets, and both ends of the water outlet channel are connected to the outside through water outlets.

[0018] Optionally, the diameter of the water inlet channel is greater than the diameter of the water outlet channel.

[0019] The technical solution of the utility model has the following advantages:

[0020] 1. The coating die provided by the utility model comprises a die body, on which a water inlet flow channel and a water outlet flow channel are arranged, the water inlet flow channel and the water outlet flow channel are respectively connected with the containing tank, the water inlet flow channel is suitable for being connected with the liquid supply system, and the liquid is sent into the containing tank through the water inlet flow channel to clean the containing tank and the intercepting block in the containing tank, and most of the sewage after cleaning is discharged from the water outlet flow channel, and a part of the liquid flows out from the gaps between the monomers of the intercepting block, so that the residual slurry in the intercepting block is cleaned, replacing the manual cleaning process, improving the cleaning efficiency, and thus improving the coating quality and efficiency.

[0021] 2. The coating die head provided by the utility model has a water inlet channel arranged along the length direction of the receiving tank, and a first connecting channel is arranged between the water inlet channel and the receiving tank, so that the liquid in the water inlet channel can enter various parts of the receiving tank synchronously, and the liquid delivery distance is short, thereby improving the cleaning efficiency.

[0022] 3. The coating die head provided by the utility model has two ends of the water inlet channel connected to the outside of the die head body, which are respectively suitable for connecting with the liquid supply system. Liquid is simultaneously fed into the two ends of the water inlet channel, which speeds up the speed of liquid entering the containing tank and further reduces the cleaning time.

[0023] 4. The coating die provided by the utility model has a processing hole on the other side of the water inlet channel opposite to the first connecting channel, the processing hole is connected to the outside of the die body, and a plug is provided in the processing hole. The setting of the processing hole facilitates the processing of the first connecting channel, and the provision of the plug can prevent the liquid used for cleaning from flowing out from here and affecting the liquid entering the receiving tank.

[0024] 5. The coating die head provided by the utility model has two water outlet channels, which are arranged along the length direction of the receiving tank and are respectively connected to the two ends of the receiving tank. The sewage after cleaning is sent out from both sides simultaneously, which improves the outflow rate of the liquid in the receiving tank, that is, improves the cleaning efficiency.

[0025] 6. The coating die provided by the utility model also includes an embedded block, which is arranged in a mounting groove on the die body. The embedded block is provided with a receiving groove, and the water inlet channel and the water outlet channel are arranged on the embedded block. Through the setting of the embedded block, it is avoided to open too many channels on the die body, which reduces the processing complexity and improves the efficiency. Different coating requirements can also be adapted by replacing embedded blocks of different models.

[0026] 7. The coating die head provided by the utility model has an embedded block with a first groove and a second groove arranged along its length direction, a water inlet channel is formed between the first groove and the inner wall of the mounting groove, and a water outlet channel is formed between the second groove and the inner wall of the mounting groove. The two grooves are simply arranged, and there is no need to separately process a hole-shaped channel on the embedded block, and the structure is simple.

[0027] 8. The coating die head provided by the utility model has a water inlet flow channel with a diameter greater than a water outlet flow channel, which increases the residence time of the liquid in the containing tank and improves the cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0029] Figure 1 This is a schematic structural diagram of an implementation method of a coating die head provided in Example 1 of the utility model;

[0030] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure in;

[0031] Figure 3 for Figure 1 Another cross-sectional structural schematic diagram in;

[0032] Figure 4 for Figure 3 A local enlarged schematic diagram in FIG.

[0033] Figure 5 This is a schematic structural diagram of an implementation method of a coating die head provided in Example 2 of the utility model;

[0034] Figure 6 for Figure 5 Schematic diagram of the cross-sectional structure in;

[0035] Figure 7 for Figure 6 Schematic diagram of the structure without the embedded block;

[0036] Figure 8 for Figure 7 Schematic diagram of the bottom structure in;

[0037] Fig. 9 for Figure 5 Another cross-sectional structural schematic diagram in;

[0038] Fig.10 for Fig. 9 A partial enlarged schematic diagram of

[0039] Fig.11 for Figure 5 Schematic diagram of the structure of the embedded block in;

[0040] Fig.12 for Fig.11 A local enlarged schematic diagram in FIG.

[0041] Fig.13 for Fig.12 Schematic diagram of the cross-sectional structure of the embedded block and the cut-off block.

[0042] Description of reference numerals:

[0043] 1. Die body; 2. Accommodating groove; 3. Cut-off block; 4. Water inlet channel; 5. Water outlet channel; 6. First connecting channel; 7. Processing hole; 8. Plug; 9. Embedding block; 10. Mounting groove; 11. First slot; 12. Second slot; 13. Second connecting channel; 14. Third connecting channel; 15. Water inlet; 16. Water outlet. DETAILED DESCRIPTION

[0044] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0045] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the 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 orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0046] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0048] The coating die head provided in this embodiment is suitable for coating equipment such as a coating machine. By setting a water inlet channel and a water outlet channel in the coating die head, the accommodating tank and the intercepting block can be cleaned without removing the intercepting block.

[0049] Example 1

[0050] like Figures 1 to 4 As shown, a specific implementation of the coating die provided in this embodiment includes a die body 1, a receiving groove 2 is provided on the die body 1, and a cut-off block 3 is provided in the receiving groove 2; a water inlet channel 4 and a water outlet channel 5 are provided on the die body 1, and the water inlet channel 4 and the water outlet channel 5 are respectively connected with the receiving groove 2, and the water inlet channel 4 is suitable for connecting with the liquid supply system.

[0051] The liquid is sent into the receiving tank 2 through the water inlet channel 4 to clean the receiving tank 2 and the intercepting block 3 in the receiving tank 2. Most of the sewage after cleaning is discharged from the water outlet channel 5, and a part of the liquid flows out from the gaps between the monomers of the intercepting block 3, so that the residual slurry in the intercepting block 3 is cleaned, replacing the manual cleaning process, improving the cleaning efficiency, and then improving the coating quality and efficiency. Specifically, the receiving tank 2 and the intercepting block 3 are generally arranged in the upper die head; the water inlet channel 4 and the water outlet channel 5 are arranged at the upper part of the receiving tank 2, so that the receiving tank 2 can be thoroughly cleaned.

[0052] like Figures 2 to 4 As shown, in the coating die head provided in this embodiment, the water inlet channel 4 is arranged along the length direction of the receiving tank 2, and a first connecting channel 6 is arranged between the water inlet channel 4 and the receiving tank 2, and the first connecting channel 6 connects the water inlet channel 4 and the receiving tank 2, so that the liquid in the water inlet channel 4 can enter various parts of the receiving tank 2 synchronously, and the liquid delivery distance is short, which improves the cleaning efficiency. Specifically, there are a plurality of first connecting channels 6 arranged evenly at intervals, and the intercepting block 3 is composed of a plurality of monomers, each of which corresponds to a first connecting channel 6, ensuring the cleaning effect of each monomer. In addition, as an alternative embodiment, the water inlet channel 4 may not be arranged parallel to the receiving tank 2, but may be arranged obliquely, so as to be able to deliver the liquid into the receiving tank 2; and the first connecting channel 6 may not be arranged, and one end of the water inlet channel 4 may be directly connected to the receiving tank 2.

[0053] like Figure 3 and Figure 4 As shown, in the coating die head provided in this embodiment, both ends of the water inlet channel 4 are connected to the outside of the die head body 1, and are respectively suitable for being connected to the liquid supply system. Liquid is simultaneously fed into the water inlet channel 4 at both ends, which speeds up the speed at which the liquid enters the containing tank 2, and further reduces the cleaning time. In addition, as an alternative embodiment, the water inlet channel 4 can also be a blind hole, one end of which is blocked, and water is only fed through one end.

[0054] like Figures 2 to 4 As shown, in the coating die provided in this embodiment, a processing hole 7 is provided on the other side of the water inlet flow channel 4 opposite to the first connecting flow channel 6, the processing hole 7 is connected to the outside of the die body 1, and a plug 8 is provided in the processing hole 7. The processing hole 7 is provided to facilitate the processing of the first connecting flow channel 6, wherein the plug 8 is provided to prevent the liquid used for cleaning from flowing out from here and affecting the liquid entering the containing tank 2. During processing, drilling is performed from the outside of the die body 1, and drilling is performed through the water inlet flow channel 4.

[0055] like Figure 3 and Figure 4As shown, the coating die head provided in this embodiment has two water outlet channels 5, which are arranged along the length direction of the receiving tank 2 and are respectively connected to the two ends of the receiving tank 2. The cleaned sewage is sent out from both sides simultaneously, which improves the outflow rate of the liquid in the receiving tank 2, that is, improves the cleaning efficiency. In addition, as an alternative embodiment, there can be only one water outlet channel 5.

[0056] like Figure 2 and Figure 4 As shown, the diameter of the water inlet channel 4 is greater than the diameter of the water outlet channel 5, which increases the residence time of the liquid in the accommodating tank 2 and improves the cleaning effect.

[0057] Example 2

[0058] like Figures 5 to 13 As shown, a specific implementation of the coating die provided in this embodiment includes a die body 1 and an embedded block 9, the die body 1 is provided with a mounting groove 10, the embedded block 9 is arranged in the mounting groove 10, the embedded block 9 is provided with the accommodating groove 2, the embedded block 9 is provided with the water inlet channel 4 and the water outlet channel 5, the water inlet channel 4 and the water outlet channel 5 are respectively connected with the accommodating groove 2, and the water inlet channel 4 is suitable for connecting with the liquid supply system.

[0059] By setting the embedded block 9, it is avoided to open too many flow channels on the die body 1, which reduces the processing complexity and improves the efficiency. Different coating requirements can also be met by replacing different types of embedded blocks 9. Specifically, the installation groove 10 is a rectangular structure.

[0060] like Figure 6 , Figures 11 to 13 As shown, in the coating die head provided in this embodiment, the embedded block 9 has a first slot 11 and a second slot 12 arranged along its length direction, the water inlet channel 4 is formed between the first slot 11 and the inner wall of the mounting slot 10, and the water outlet channel 5 is formed between the second slot 12 and the inner wall of the mounting slot 10. The arrangement of the two slots is simple, and there is no need to process a hole-shaped channel on the embedded block 9 separately, and the structure is simple. Specifically, as Fig.12 In the structure shown, the embedded block 9 is composed of two parts, a lower block and an upper block, and the upper block is provided with a first slot 11 and a second slot 12 on both sides. In addition, as an alternative embodiment, a hole-shaped flow channel can also be processed on the embedded block 9.

[0061] like Figure 6 , Figures 10 to 13As shown, in the coating die head provided in this embodiment, the embedded block 9 is provided with a second communication channel 13, and the second communication channel 13 connects the water inlet channel 4 and the receiving tank 2; the embedded block 9 is provided with a third communication channel 14, and the third communication channel 14 connects the receiving tank 2 and the water outlet channel 5. The second communication channel 13 and the third communication channel 14 are respectively arranged on both sides of the receiving tank 2, so as to realize the connection between the water inlet channel 4 and the water outlet channel 5 and the receiving tank 2. The second communication channel 13 can be a hole-shaped channel, with a plurality of channels arranged evenly at intervals, and the third communication channel 14 can be a whole groove-shaped structure, and the arrangement of the groove-shaped structure is convenient for sewage discharge, or it can be a hole-shaped structure arranged at intervals; wherein, the second communication channel 13 and the third communication channel 14 are both arranged at the upper part of the receiving tank 2, so that the liquid can quickly clean all parts of the receiving tank 2 in an all-round manner.

[0062] like Fig.10 As shown, in the coating die head provided in this embodiment, the two ends of the water inlet channel 4 are connected to the outside through the water inlet 15, and the two ends of the water outlet channel 5 are connected to the outside through the water outlet 16. The water inlet 15 and the water outlet 16 are respectively arranged opposite to the ends of the first slot 11 and the second slot 12, and the axes of the water inlet 15 and the water outlet 16 are parallel to the length direction of the accommodating groove 2, and the distance is the shortest. In addition, as an alternative embodiment, the water inlet 15 and the water outlet 16 can also be arranged obliquely, or there can be only one water inlet 15 and one water outlet 16, which are arranged on the same side or on different sides. The cleaning process can also be achieved.

[0063] like Fig.10 As shown, in the coating die head provided in this embodiment, the diameter of the water inlet channel 4 is greater than the diameter of the water outlet channel 5, which increases the residence time of the liquid in the containing tank 2 and improves the cleaning effect.

[0064] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the present utility model.

Claims

1. A coating die head, characterized in that: It comprises a die body (1), the die body (1) is provided with a receiving groove (2), and a cut-off block (3) is provided in the receiving groove (2); The die body (1) is provided with a water inlet channel (4) and a water outlet channel (5), the water inlet channel (4) and the water outlet channel (5) are respectively connected to the containing groove (2), and the water inlet channel (4) is suitable for connecting to a liquid supply system.

2. The coating die head according to claim 1, characterized in that: The water inlet channel (4) is arranged along the length direction of the containing groove (2), and a first connecting channel (6) is arranged between the water inlet channel (4) and the containing groove (2), and the first connecting channel (6) connects the water inlet channel (4) and the containing groove (2).

3. The coating die head according to claim 2, characterized in that: Both ends of the water inlet channel (4) are connected to the outside of the die body (1) and are respectively suitable for being connected to the liquid supply system.

4. The coating die head according to claim 2, characterized in that: A processing hole (7) is provided on the other side of the water inlet channel (4) opposite to the first connecting channel (6), the processing hole (7) is connected to the outside of the die body (1), and a plug (8) is provided in the processing hole (7).

5. The coating die head according to claim 2, characterized in that: There are two water outlet channels (5), which are arranged along the length direction of the containing groove (2) and are respectively connected to the two ends of the containing groove (2).

6. The coating die head according to claim 1, characterized in that: Also includes: An embedded block (9), the die body (1) is provided with a mounting groove (10), the embedded block (9) is arranged in the mounting groove (10), the embedded block (9) is provided with the accommodating groove (2), and the embedded block (9) is provided with the water inlet channel (4) and the water outlet channel (5).

7. The coating die head according to claim 6, characterized in that: The embedded block (9) has a first slot (11) and a second slot (12) arranged along its length direction; the water inlet channel (4) is formed between the first slot (11) and the inner wall of the mounting slot (10); and the water outlet channel (5) is formed between the second slot (12) and the inner wall of the mounting slot (10).

8. The coating die head according to claim 7, characterized in that: The embedded block (9) is provided with a second communicating flow channel (13), and the second communicating flow channel (13) is connected with the water inlet flow channel (4) and the containing groove (2); The embedded block (9) is provided with a third communicating flow channel (14), and the third communicating flow channel (14) is connected with the containing groove (2) and the water outlet flow channel (5).

9. The coating die head according to claim 7, characterized in that: The two ends of the water inlet channel (4) are respectively connected to the outside through the water inlet (15), and the two ends of the water outlet channel (5) are respectively connected to the outside through the water outlet (16).

10. The coating die according to any one of claims 1 to 9, characterized in that: The diameter of the water inlet channel (4) is greater than the diameter of the water outlet channel (5).

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