A coating doctor blade for adhesive tape production

Abstract

The utility model discloses a kind of coating doctor blade for adhesive tape production, the coating doctor blade for adhesive tape production includes the doctor blade being set on seat body, the end of the doctor blade is formed with the inclined blade structure, the doctor blade is formed with cavity by being recessed downwards near the blade structure, the cavity one end is closed and the other end is formed with opening, doctor blade is slidably arranged in the cavity. Solve the doctor blade in prior art, when operation, more glue material will accumulate on the surface of doctor blade, after too much glue material accumulation, fall off from the surface of doctor blade, affect coating quality problem.

Description

Technical Field

[0001] This utility model relates to the field of adhesive tape production, specifically to a coating doctor blade for adhesive tape production. Background Technology

[0002] In tape coating equipment, the doctor blade is a crucial component. It precisely controls the transfer of coating liquid, thereby forming a uniform, stable, and controllable thickness coating on the substrate. For example, Chinese patent CN223159535U provides a doctor blade adjustment device for a coating machine, including an adjusting roller, a doctor blade, an adjusting mechanism, and an end adjusting mechanism. The adjusting roller has a mounting groove on its surface, and a mounting block is installed within the groove. Blade clamps are respectively installed at the top of the mounting block and the top of the mounting groove. The doctor blade is positioned between two blade clamps. The adjusting mechanism includes several reference plates and a fixed plate. The reference plates are parallel to the blade clamps and are fixedly connected to the mounting block via the fixed plate. Several adjusting holes are provided on the reference plates, and adjusting screws are installed within these holes, with the ends of the screws contacting the blade clamps. In such prior art doctor blades, excessive adhesive accumulates on the blade surface during operation. This excessive accumulation causes the adhesive to detach from the blade surface, affecting the coating quality. Utility Model Content

[0003] The purpose of this invention is to provide a coating doctor blade for tape production, which solves the problem that in the prior art, a large amount of adhesive material accumulates on the surface of the doctor blade during operation, and the excessive accumulation of adhesive material falls off the surface of the doctor blade, affecting the coating quality.

[0004] To achieve the above objectives, this utility model provides a coating doctor blade for tape production. The coating doctor blade for tape production includes a doctor blade disposed on a base. The end of the doctor blade has an inclined blade structure. A cavity is formed in the doctor blade near the blade structure, with one end of the cavity closed and the other end open. A scraper blade is slidably disposed in the cavity.

[0005] Preferably, a slide rod is provided inside the cavity, the slide rod is arranged along the length direction of the cavity, and the upper end of the scraper is slidably sleeved on the slide rod.

[0006] Preferably, a fixing frame is provided at one end of the cavity with an opening, the fixing frame extends out of the cavity, one end of the slide rod is fixed to the closed end of the cavity, and the other end is fixed to the fixing frame.

[0007] Preferably, a handle is connected to the upper end of the scraper.

[0008] Preferably, a collection box is provided on the side of the seat near the opening end of the cavity.

[0009] Preferably, a sliding seat is formed on the side of the scraper, a sliding hole is provided on the sliding seat, a screw is provided on the seat body, the screw passes through the sliding hole, and locking nuts that are screwed onto the screw are respectively provided on the upper and lower sides of the sliding seat.

[0010] Beneficial Effects: This utility model provides a coating doctor blade for tape production. The coating doctor blade includes a doctor blade mounted on a base. The end of the doctor blade has an inclined blade structure. A cavity is formed in the doctor blade near the blade structure, with one end closed and the other end open. A scraper blade is slidably disposed within the cavity. During operation, when the tape passes under the doctor blade, the blade structure scrapes off excess adhesive, resulting in a uniform coating on the tape substrate. When too much adhesive accumulates on the blade structure, it is pushed into the cavity to prevent excess adhesive from falling back onto the substrate. By periodically sliding the scraper blade, the adhesive in the cavity can be removed from the open end. The coating doctor blade for tape production provided by this utility model solves the problem of excessive adhesive accumulation on the surface of existing doctor blades during operation, which then falls off the doctor blade surface, affecting the coating quality.

[0011] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description

[0012] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the following detailed description to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a structural diagram of the coating doctor blade for tape production provided by this utility model; Figure 2 yes Figure 1 Enlarged view of section A; Figure 3 yes Figure 1 Enlarged view of section B; Figure 4 This is a cross-sectional view of the coating doctor blade for tape production provided by this utility model.

[0013] Explanation of reference numerals in the attached figures 1-Scraper; 2-Cavity; 3-Blade structure; 4-Fixing frame; 5-Slide rod; 6-Seat; 7-Collection box; 8-Screw; 9-Sliding seat; 10-Locking nut; 11-Scraper blade; 12-Handle. Detailed Implementation

[0014] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of this utility model.

[0015] like Figure 1-4 As shown: This utility model provides a coating doctor blade for tape production. The coating doctor blade for tape production includes a doctor blade 1 mounted on a base 6. The end of the doctor blade 1 forms an inclined blade structure 3. A cavity 2 is recessed downwards near the blade structure 3 in the doctor blade 1. One end of the cavity 2 is closed, and the other end forms an opening. A scraper blade 11 is slidably disposed inside the cavity 2. During operation, when the tape passes under the doctor blade, the blade structure can scrape off excess adhesive, thereby forming a uniform coating on the tape substrate. When too much adhesive is scraped off from the blade structure, it is pushed into the cavity to prevent excessive adhesive from falling back onto the substrate. By periodically sliding the scraper blade, the adhesive in the cavity can be removed from the open end. The coating doctor blade for tape production provided by this utility model solves the problem of excessive adhesive accumulating on the surface of the doctor blade during operation, which then falls off the doctor blade surface and affects the coating quality.

[0016] In a preferred embodiment of this utility model, in order to further limit the displacement of the scraper, a slide rod 5 is provided inside the cavity 2. The slide rod 5 is arranged along the length direction of the cavity 2, and the upper end of the scraper 11 is slidably sleeved on the slide rod 5.

[0017] In a preferred embodiment of this utility model, in order to enable the scraper to slide out from the open end of the cavity and effectively scrape out the adhesive material in the cavity, a fixing frame 4 is provided at one end of the cavity 2 with an opening. The fixing frame 4 extends out of the cavity 2. One end of the slide rod 5 is fixed to the closed end of the cavity 2, and the other end is fixed to the fixing frame 4.

[0018] In a preferred embodiment of this utility model, a handle 12 is connected to the upper end of the scraper 11 to facilitate the displacement of the scraper.

[0019] In a preferred embodiment of this utility model, in order to facilitate the collection of scraped adhesive, a collection box 7 is provided on the side of the seat 6 near the opening end of the cavity 2.

[0020] In a preferred embodiment of this utility model, in order to adjust the height of the scraper according to the needs, a sliding seat 9 is formed on the side of the scraper 1, a sliding hole is provided on the sliding seat 9, a screw 8 is provided on the seat body 6, the screw 8 passes through the sliding hole, and a locking nut 10 that is screwed on the screw 8 is provided on the upper and lower sides of the sliding seat 9 respectively.

[0021] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the protection scope of the present invention.

[0022] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way without contradiction. In order to avoid unnecessary repetition, this utility model will not describe the various possible combinations separately.

[0023] Furthermore, various different embodiments of this utility model can be combined in any way, as long as they do not violate the spirit of this utility model, they should also be regarded as the content disclosed by this utility model.

Claims

1. A coating doctor blade for tape production, characterized in that, The coating scraper for tape production includes a scraper (1) mounted on a base (6). The end of the scraper (1) has an inclined blade structure (3). A cavity (2) is formed in the scraper (1) near the blade structure (3). One end of the cavity (2) is closed and the other end has an opening. A scraper blade (11) is slidably mounted inside the cavity (2).

2. The coating doctor blade for tape production according to claim 1, characterized in that, A slide rod (5) is provided inside the cavity (2). The slide rod (5) is arranged along the length direction of the cavity (2). The upper end of the scraper (11) is slidably sleeved on the slide rod (5).

3. The coating doctor blade for tape production according to claim 2, characterized in that, A fixing frame (4) is provided at one end of the cavity (2) with an opening. The fixing frame (4) extends out of the cavity (2). One end of the slide rod (5) is fixed to the closed end of the cavity (2), and the other end is fixed to the fixing frame (4).

4. The coating doctor blade for tape production according to claim 3, characterized in that, The upper end of the scraper (11) is connected to a handle (12).

5. The coating doctor blade for tape production according to claim 4, characterized in that, A collection box (7) is provided on one side of the seat (6) near the opening end of the cavity (2).

6. The coating doctor blade for tape production according to claim 5, characterized in that, The scraper (1) has a sliding seat (9) on its side, and a sliding hole is provided on the sliding seat (9). A screw (8) is provided on the seat body (6), and the screw (8) passes through the sliding hole. Locking nuts (10) that are screwed onto the screw (8) are respectively provided on the upper and lower sides of the sliding seat (9).

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