Integrated casting cutter and casting die head
The integrated casting knife's adjustable spacing design solves the problem of cumbersome casting knife thickness adjustment, enabling rapid, precise, and uniform adjustment of coating thickness, thereby improving production efficiency and equipment stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUIZHOU HONGTONGSHENG INTELLIGENT EQUIPMENT CO LTD
- Filing Date
- 2025-08-04
- Publication Date
- 2026-05-15
AI Technical Summary
The existing process for adjusting the thickness of casting blades is cumbersome and inefficient, and frequent downtime for blade replacement affects production efficiency and increases costs.
An integrated casting knife was designed. By adjusting the distance between the doctor blade and the casting main roller through the spiral rotation of the adjusting component within the main body, the coating thickness can be precisely controlled, including coarse and fine adjustments, to compensate for minor deformations caused by thermal expansion or pressure changes.
It enables rapid adjustment of coating thickness without disassembling the doctor blade, improving production efficiency, reducing labor and time costs, ensuring coating uniformity and accuracy, and extending service life.
Smart Images

Figure CN224237366U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of casting technology, specifically to an integrated casting knife and casting die. Background Technology
[0002] Coating and casting are core processes for preparing functional films / coatings, forming uniform thin layers by precisely controlling the spread of the slurry on the substrate. In this process, the uniformity of the coating thickness is a key indicator determining product performance; any fluctuation will directly affect the final quality.
[0003] As one of the most crucial components in the casting process, the doctor blade's distance from the casting roller determines the coating thickness. However, adjusting the coating thickness using existing doctor blades is cumbersome and inefficient because the distance between the doctor blade and the roller is usually fixed, allowing for precise adaptation to a single thickness. If production demands change and thickness adjustments are needed, the machine must be stopped, the old doctor blade removed, and a new one installed. This process is not only tedious and time-consuming, but frequent downtime for blade replacement also impacts production efficiency. Furthermore, the need to equip the machine with various doctor blade specifications adds to the doctor blade production cost. Utility Model Content
[0004] To address the shortcomings of existing technologies, this application provides an integrated casting knife and casting die.
[0005] This application discloses an integrated casting knife comprising: a main body, a scraper, and an adjusting member. One end of the scraper is integrally formed into the main body, and the other end of the scraper has an adjusting gap with the main body. One end of the adjusting member is rotatably disposed at the other end of the scraper, and the other end of the adjusting member passes through the adjusting gap and is screwed to the main body. By rotating the adjusting member, one end of the adjusting member pushes or pulls the other end of the scraper, causing the other end of the scraper to move away from or closer to the main body, thereby increasing or decreasing the adjusting gap.
[0006] Preferably, the adjusting member includes a first screw and a second screw threaded through the first screw. The first screw is threaded through the main body, and one end of the second screw is rotatably disposed at the other end of the scraper.
[0007] Preferably, the external thread pitch of the first screw is greater than the external thread pitch of the second screw.
[0008] Preferably, the first screw includes a first screw body and a first twisting part, the first twisting part is disposed at one end of the first screw body, the first screw body is screwed through the main body, and the second screw is screwed through the first screw body.
[0009] Preferably, the second screw includes a second screw body and a second twisting part. The second twisting part is disposed at one end of the second screw body, the second screw body is screwed through the first screw body, and the other end of the second screw body is rotatably disposed at the other end of the scraper.
[0010] Preferably, the main body has multiple threaded holes along its length, and the multiple threaded holes are spaced apart along the length of the main body. The number of adjusting members is multiple, and the multiple adjusting members are respectively screwed through the multiple threaded holes.
[0011] Preferably, there are two scraper components. One end of each scraper component is integrally formed on opposite sides of the main body. The other end of each scraper component has an adjustable gap with the main body. There are at least two adjustable gap components. One end of each adjustable gap component is rotatably disposed on the other end of the two scraper components. The other end of each adjustable gap component passes through the adjustable gap and is screwed to opposite sides of the main body.
[0012] Preferably, the end face of the other end of the scraper is a curved surface.
[0013] Preferably, the radii of the two arc surfaces are the same or different.
[0014] This application also discloses a casting die head, including an integral casting knife.
[0015] The beneficial effects of this application are as follows: When it is necessary to adjust the thickness of the casting or coating, by setting the adjusting component, rotating the adjusting component causes it to rotate spirally within the main body, causing one end of the adjusting component to push or pull the other end of the doctor blade. This moves the other end of the doctor blade away from or closer to the main body, i.e., increases or decreases the adjusting gap, thereby adjusting the distance between the other end of the doctor blade and the casting main roller to control the thickness of the coating or casting material, and even compensate for the slight deformation of the die head caused by thermal expansion or pressure changes, ensuring uniform material coating and avoiding uneven or excessive coating. Moreover, the adjustment can be completed without disassembling the casting doctor blade, saving labor and time costs and improving production efficiency. In addition, since the doctor blade and the main body are integrally molded, the stability is high, the structure is more reliable, and the service life is extended. Furthermore, by setting the first screw and the second screw, the adjusting gap can be coarsely adjusted and finely adjusted respectively, improving the adjustment accuracy and ensuring the precision of the coating or casting process. Attached Figure Description
[0016] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:
[0017] Figure 1 This is a schematic diagram of the integrated casting knife in the embodiment;
[0018] Figure 2 This is another structural schematic diagram of the integrated casting knife in the embodiment;
[0019] Figure 3 This is a side view of the integrated casting knife in the embodiment;
[0020] Figure 4 This is a cross-sectional view of the integrated casting knife in the embodiment;
[0021] Figure 5 This is a schematic diagram of the adjusting element in the embodiment.
[0022] Figure label:
[0023] 1. Main body; 11. Threaded hole; 12. Rotating roller; 13. Tool body; 131. Mating protrusion; 2. Scraper; 21. Adjustment gap; 22. Arc surface; 3. Adjustment part; 31. First screw; 311. First screw body; 312. First torsion part; 32. Second screw; 321. Second screw body; 322. Second torsion part. Detailed Implementation
[0024] The following drawings disclose several embodiments of this application. For clarity, many practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit this application. That is, in some embodiments of this application, these practical details are not essential. In addition, for the sake of simplicity, some conventional structures and components will be shown in the drawings in a simple schematic manner.
[0025] It should be noted that all directional indications in the embodiments of this application, such as up, down, left, right, front, back, etc., are only used to explain the relative positional relationship and movement of the components in a specific posture as shown in the attached figure. If the specific posture changes, the directional indication will also change accordingly.
[0026] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and does not specifically refer to any order or sequence, nor is it intended to limit this application. They are merely used to distinguish components or operations described using the same technical terms and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but only if they are feasible for those skilled in the art. If a combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed in this application.
[0027] To further understand the content, features, and effects of this application, the following embodiments are provided, and detailed descriptions are given in conjunction with the accompanying drawings.
[0028] Reference Figures 1-3 , Figure 1 This is a schematic diagram of the integrated casting knife in the embodiment. Figure 2 This is another structural schematic diagram of the integrated casting knife in the embodiment. Figure 3 This is a side view of the integrated casting knife in this embodiment. The integrated casting knife includes a main body 1, a scraper 2, and an adjusting member 3. One end of the scraper 2 is integrally formed into the main body 1, and the other end of the scraper 2 has an adjusting gap 21 between it and the main body 1. One end of the adjusting member 3 is rotatably disposed at the other end of the scraper 2, and the other end of the adjusting member 3 passes through the adjusting gap 21 and is screwed to the main body 1. By rotating the adjusting member 3, one end of the adjusting member 3 pushes or pulls the other end of the scraper 2, causing the other end of the scraper 2 to move away from or closer to the main body 1, thereby increasing or decreasing the adjusting gap 21.
[0029] The integrated casting knife in this embodiment is used for preparing functional films or coatings. The casting die head, including the integrated casting knife in this embodiment, is also described in this embodiment. In specific applications, the casting die head includes an integrated casting knife and a casting main roller. The other end of the doctor blade 2 is tangent to the casting main roller. By controlling the distance between the other end of the doctor blade 2 and the casting main roller, the spreading of the slurry on the substrate is precisely controlled to form a uniform thin layer. When it is necessary to adjust the thickness of the casting or coating, the adjusting member 3 is used. By rotating the adjusting member 3, the adjusting member 3 rotates spirally within the main body 1, causing one end of the adjusting member 3 to push or pull the other end of the doctor blade 2. This moves the other end of the doctor blade 2 away from or closer to the main body 1, thus increasing or decreasing the adjusting gap 21. This adjusts the distance between the other end of the doctor blade 2 and the casting main roller, controlling the thickness of the coating or casting material, and even compensating for minor deformations of the die head caused by thermal expansion or pressure changes. This ensures uniform material coating and avoids uneven or excessive coating. Moreover, the adjustment can be completed without disassembling the casting doctor blade, saving labor and time costs and improving production efficiency. In addition, since the doctor blade 2 and the main body 1 are integrally molded, the stability is high, the structure is more reliable, and the service life is extended. Specifically, the end face of the other end of the scraper 2 is an arc surface 21, which can be tangent to the casting main roller. The distance between the arc surface 21 and the casting main roller is the thickness of the coating or casting material. In other words, the other end of the scraper 2 described in this embodiment is the scraper lip of the arc surface 21.
[0030] Reference Figure 4 and Figure 5 , Figure 4 This is a cross-sectional view of the integrated casting knife in the embodiment. Figure 5 The diagram illustrates the structure of the adjusting component in this embodiment. Preferably, the adjusting component 3 includes a first screw 31 and a second screw 32 screwed through the first screw 31. The first screw 31 is screwed through the main body 1, and one end of the second screw 32 is rotatably disposed at the other end of the scraper 2. In specific applications, the external thread pitch of the first screw 31 is greater than the external thread pitch of the second screw 32. It can be understood that by fixing the first screw 31 and twisting the second screw 32, the second screw 32 rotates spirally within the first screw 31, causing one end of the second screw 32 to push or pull the other end of the scraper 2, thereby adjusting the distance between the other end of the scraper 2 and the casting main roller. Furthermore, by fixing the first screw 31 and the second screw 32 and simultaneously twisting both, the first screw 31 rotates spirally within the main body 1, pushing or pulling the other end of the scraper 2 through the second screw 32, thereby adjusting the distance between the other end of the scraper 2 and the casting main roller. Since the external thread pitch of the first screw 31 is greater than that of the second screw 32, turning the second screw 32 allows for fine-tuning of the distance between the other end of the doctor blade 2 and the casting main roller, while turning the first screw 31 allows for a larger adjustment of the distance between the other end of the doctor blade 2 and the casting main roller. These two methods of adjustment improve the accuracy and ensure precision during the coating or casting process. Specifically, the other end of the doctor blade 2 has a threaded hole, and one end of the second screw 32 is screwed into this hole.
[0031] Rereference Figure 4 and Figure 5 Preferably, the first screw 31 includes a first screw body 311 and a first twisting part 312. The first twisting part 312 is disposed at one end of the first screw body 311. The first screw body 311 is screwed through the main body 1, and the second screw 32 is screwed through the first screw body 311. In specific applications, the first screw body 311 is a threaded post, and the first twisting part 312 is a hexagonal nut. The first twisting part 312 is integrally formed at one end of the first screw body 311, which facilitates the rotation of the first screw body 311 by twisting the first twisting part 312 with a twisting tool, and also facilitates the fixation of the first screw 31 by clamping the first twisting part 312 with a tool. Specifically, the inner wall of the first screw body 311 is provided with threads. After the second screw 32 passes through the first twisting part 312, its middle position is screwed into the threads of the inner wall of the first screw body 311, and one end of the second screw 32 is also rotatably disposed at the other end of the scraper 2.
[0032] Rereference Figure 4 and Figure 5Preferably, the second screw 32 includes a second screw body 321 and a second twisting part 322. The second twisting part 322 is disposed at one end of the second screw body 321, and the second screw body 321 is screwed through the first screw body 311. The other end of the second screw body 321 is rotatably disposed at the other end of the scraper 2. In specific applications, the second screw body 321 is a threaded post, and the second twisting part 322 is a nut. The second twisting part 322 is exposed outside the first screw 31, making it easy to rotate the second screw body 321 by twisting the second twisting part 322 with a twisting tool.
[0033] Rereference Figure 2 Preferably, along the length of the main body 1, the main body 1 has multiple threaded holes 11, which are spaced apart along the length of the main body 1. Multiple adjusting members 3 are also provided, each screwed into one of the multiple threaded holes 11. By using multiple adjusting members 3, if uneven thickness occurs during casting or coating, only the adjusting member 3 at the corresponding position needs to be adjusted. This adjusts the distance between the other end of the scraper 2 at that position and the casting main roller, thereby controlling the thickness of the coating or casting material to achieve a consistent thickness, improving product quality. Furthermore, adjustment can be completed without disassembling the scraper, reducing adjustment difficulty and saving adjustment time. Specifically, the first screw body 311 is screwed into the threaded hole 11.
[0034] Rereference Figures 1-5Preferably, there are two scraper components 2, one end of each scraper component 2 is integrally formed on opposite sides of the main body 1, and the other end of each scraper component 2 has an adjustment gap 21 between it and the main body 1. There are at least two adjustment components 3, one end of each adjustment component 3 is rotatably disposed on the other end of the two scraper components 2, and the other end of each adjustment component 3 passes through the adjustment gap 21 and is screwed to opposite sides of the main body 1. In practical applications, by setting up two doctor blades 2, rotating the main body 1 to bring one doctor blade 2 close to the casting main roller allows the doctor blade 2 to cooperate with the casting main roller for casting or coating operations. This enables the switching of the two doctor blades 2. It is understood that in this embodiment, each doctor blade 2 is paired with multiple adjusting components 3. By adjusting the distance of the adjusting components 3, the adjusting gap 21 between the two doctor blades 2 and the main body 1 can be different. Thus, by rotating the main body 1, the two doctor blades 2 rotate, so that one doctor blade 2 is directly facing the casting main roller, thereby enabling the two doctor blades 2 to switch cooperation with the casting main roller. This allows for rapid switching of coating or casting thickness, enhancing compatibility. Furthermore, the radii of the two arc surfaces 21 may be the same or different. In practical applications, the radii of the two arc surfaces 21 in this embodiment are the same, both being 60mm, meaning the doctor blade 2 has an R60 cutting edge. In other embodiments, the radii of the two arc surfaces 21 may be different; that is, one may be 60mm, and the other may be set according to actual needs, such as 30mm, 40mm, or 50mm. This is not limited here, which can further enhance compatibility and broaden application scenarios. Specifically, the main body 1 includes a rotating roller 12 and a cutter body 13. The cutter body 13 is sleeved on the rotating roller 12 and is integrally formed with the rotating roller 12. One end of the scraper 2 is integrally formed with the cutter body 13. The cutter body 13 has a mating protrusion 131, and an adjustment gap 21 is formed between the mating protrusion 131 and the other end of the scraper 2. A threaded hole 11 is opened in the cutter body 13.
[0035] In summary, when it is necessary to adjust the thickness of the casting or coating, the adjusting member 3 is used. By rotating the adjusting member 3, the adjusting member 3 rotates spirally within the main body 1, causing one end of the adjusting member 3 to push or pull the other end of the scraper member 2. This moves the other end of the scraper member 2 away from or closer to the main body 1, thus increasing or decreasing the adjusting gap 21. This adjusts the distance between the other end of the scraper member 2 and the casting main roller, controlling the thickness of the coating or casting material, and even compensating for minor deformations of the die head caused by thermal expansion or pressure changes. This ensures uniform material coating and avoids uneven or excessive coating. Moreover, the adjustment can be completed without disassembling the casting scraper, saving labor and time costs and improving production efficiency. In addition, since the scraper member 2 and the main body 1 are integrally molded, the stability is high, the structure is more reliable, and the service life is extended. Furthermore, the first screw 31 and the second screw can be used to coarsely and finely adjust the adjusting gap 21 respectively, improving the adjustment accuracy and ensuring precision in the coating or casting process.
[0036] The above description is merely an embodiment of this application and is not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.
Claims
1. An integrated casting knife, characterized in that, include: The system comprises a main body (1), a scraper (2), and an adjusting member (3). One end of the scraper (2) is integrally formed on the main body (1). The other end of the scraper (2) has an adjusting gap (21) between it and the main body (1). One end of the adjusting member (3) is rotatably disposed on the other end of the scraper (2). The other end of the adjusting member (3) passes through the adjusting gap (21) and is screwed to the main body (1). When the adjusting member (3) is rotated, one end of the adjusting member (3) pushes or pulls the other end of the scraper (2), causing the other end of the scraper (2) to move away from or closer to the main body (1), and the adjusting gap (21) increases or decreases.
2. The integrated casting knife according to claim 1, characterized in that, The adjusting member (3) includes a first screw (31) and a second screw (32) screwed through the first screw (31). The first screw (31) is screwed through the main body (1), and one end of the second screw (32) is rotatably disposed at the other end of the scraper member (2).
3. The integrated casting knife according to claim 2, characterized in that, The external thread pitch of the first screw (31) is greater than the external thread pitch of the second screw (32).
4. The integrated casting knife according to claim 2, characterized in that, The first screw (31) includes a first screw body (311) and a first twisting part (312). The first twisting part (312) is disposed at one end of the first screw body (311). The first screw body (311) is screwed through the main body (1). The second screw (32) is screwed through the first screw body (311).
5. The integrated casting knife according to claim 4, characterized in that, The second screw (32) includes a second screw body (321) and a second twisting part (322). The second twisting part (322) is disposed at one end of the second screw body (321). The second screw body (321) is screwed through the first screw body (311). The other end of the second screw body (321) is rotatably disposed at the other end of the scraper (2).
6. The integrated casting knife according to claim 1, characterized in that, Along the length direction of the main body (1), the main body (1) has a plurality of threaded holes (11), the plurality of threaded holes (11) are arranged at intervals along the length direction of the main body (1), and there are a plurality of adjusting members (3), the plurality of adjusting members (3) are respectively screwed through the plurality of threaded holes (11).
7. The integrated casting knife according to claim 1, characterized in that, The number of scraper components (2) is two. One end of each of the two scraper components (2) is integrally formed on opposite sides of the main body component (1). The other end of each of the two scraper components (2) has an adjustment gap (21) between it and the main body component (1). The number of adjustment components (3) is at least two. One end of each of the two adjustment components (3) is rotatably disposed on the other end of each of the two scraper components (2). The other end of each of the two adjustment components (3) passes through the adjustment gap (21) and is screwed to opposite sides of the main body component (1).
8. The integrated casting knife according to claim 7, characterized in that, The end face of the other end of the scraper (2) is a curved surface (22).
9. The integrated casting knife according to claim 8, characterized in that, The two circular arc surfaces (22) may have the same or different radii.
10. A casting die, characterized in that, Including the integral casting knife as described in any one of claims 1-9.