Extrusion coating die head

Abstract

The utility model discloses an extrusion coating die head. The extrusion coating die head comprises an extrusion coating die head body, an adjusting assembly and a connecting assembly, the extrusion coating die head body comprises an upper die body and a lower die body; the lower die body is connected with the upper die body through a gasket, and a die cavity is formed between the upper die body and the lower die body; the adjusting assembly is arranged on the lower die body; the adjusting assembly comprises a connecting plate, a scraping plate, a fixed seat and an adjusting screw rod; the two connecting plates are symmetrically arranged on the two sides of the lower die body in a sliding mode. The scraping plate is arranged between the two connecting plates and is fixedly connected with the opposite surfaces of the two connecting plates; the fixing base is connected with the lower die body through a connecting assembly. The adjusting screw rod is arranged on the fixed seat in a penetrating manner, and the adjusting screw rod is rotationally connected with one of the connecting plates through a rotating shaft; the extrusion coating die head is simple and reasonable in structure, ingenious in design, capable of rapidly and conveniently adjusting the thickness of a coating material and high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to extrusion coating die technical field, concretely relates to an extrusion coating die. BACKGROUND

[0002] The extrusion coating die is an important component of the coating machine, and its main function is to uniformly coat the coating on the substrate to ensure the quality of the coating effect. The extrusion coating die is usually composed of an upper die, a lower die and a gasket. The lower die has a special cavity structure, such as gradient type, clothes hanger type, single cavity type and double cavity type.

[0003] The extrusion coating die provided by the Chinese utility model patent with the announcement number CN206610863U includes a die body, a cavity is arranged in the die body, a feeding port is arranged on the die body, a discharging port communicating with the cavity is arranged on the die body, the discharging port extends along the coating width direction, and a volumetric pump is further included. The volumetric pump includes a pump body and a power mechanism. The pump body is arranged in the cavity, the feeding port communicates with the pump body, and the power mechanism is arranged outside the die body. The agglomeration of slurry in the discharging port and the die body is solved. The defoaming efficiency of the slurry is improved, the air bubbles in the slurry are reduced, the uniformity of the slurry coating on the pole piece is improved, and the surface density of the pole piece is more uniform.

[0004] In the production process of lithium ion or sodium ion batteries, the current collector foil on the coating roller is often coated by using the extrusion coating method. At least one layer of coating is coated on the current collector foil according to the design requirements. The existing extrusion coating die structure is fixed and has a single function. When the thickness of the coating material needs to be changed, the extrusion coating die needs to be disassembled, the related die needs to be removed, and the extrusion coating die needs to be reassembled after replacing the gasket with different thickness. The replacement process is complex and laborious, and it is not quick and convenient to adjust the thickness of the coating material by using the extrusion coating die. Therefore, the use effect of the extrusion coating die is affected. UTILITY MODEL CONTENTS

[0005] The utility model aims at the deficiencies of the prior art, and provides an extrusion coating die to quickly and conveniently adjust the thickness of the coating material.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: an extrusion coating die, including extrusion coating die body, adjusting assembly and connecting assembly, the extrusion coating die body includes upper die body and lower die body, the lower die body is connected with the upper die body through the gasket, and the upper die body and the lower die body constitute the die cavity, the adjusting assembly is arranged on the lower die body, the adjusting assembly includes connecting plate, scraper, fixed base and adjusting screw, two the connecting plate is symmetrically arranged on the both sides of lower die body and slides, the scraper is arranged between two connecting plates and is fixedly connected with the opposite surface of two connecting plates, the fixed base is connected with the lower die body through the connecting assembly, the adjusting screw is arranged on the fixed base, and the adjusting screw is rotatably connected with one of the connecting plates through the pivot.

[0007] Preferably, the scraper is an arc-shaped inclined structure, and the high end of the scraper is arranged close to the lower die body, and the low end of the scraper is arranged away from the lower die body.

[0008] Preferably, the adjusting screw is threadedly connected with the fixed base.

[0009] Preferably, the connecting assembly comprises a guide groove and a guide block, the lower die body is provided with the guide groove, the guide block is slidably arranged in the guide groove, and the end of the guide block is fixedly connected with the fixed base through the guide groove.

[0010] Preferably, the connecting assembly further comprises a movable groove, a spring, a connecting block, a connecting groove and a movable rod, the movable groove is formed in the fixed base, one end of the spring is fixedly connected with the inner wall of the movable groove, the connecting block is slidably arranged in the movable groove and is fixedly connected with the other end of the spring, and the end of the connecting block extends to the outside through the guide block, the connecting groove is formed in the guide groove and is matched with the connecting block, and the movable rod is slidably arranged in the movable groove and is fixedly connected with the connecting block.

[0011] Preferably, the connecting block comprises a fixed part and a connecting part, the fixed part is a plane, and the fixed part is in contact with the inner bottom wall of the connecting groove.

[0012] Preferably, the connecting part is an arc surface, and the connecting part is in contact with the inner wall of the movable groove.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a adjusting assembly is set up, according to the thickness of coating material, rotates the adjusting screw, makes adjusting screw and fixed base screw connection, makes the connecting plate slide on the lower mould body, makes the scraper move, until the scraper moves to the appropriate position, the thickness of coating material is scraped by the scraper, to realize the adjustment to coating material thickness, and the scraped paint can fall along the scraper, and the scraped paint is collected conveniently, relative to the prior art, the utility model discloses simple and reasonable structure, clever design can be adjusted to the thickness of coating material quickly and conveniently, and the practicality is stronger.

[0015] 2. The utility model discloses a connecting assembly is set up, through pulling the movable rod, makes movable rod drive the connecting block and move, makes spring shrink under stress, until spring shrink to the maximum limit, at this time, the connecting block slides into the movable slot, then, the fixed base is moved down, makes the guide block slide down in the guide groove, until the guide block slides out in the guide groove, can scrape the board dismantles to facilitate the replacement of scraper. DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the overall structure back view of the utility model;

[0018] Figure 3 It is the overall structure cross -sectional view of the utility model;

[0019] Figure 4 It is the extrusion coating die head body schematic view of the utility model;

[0020] Figure 5 It is the scraper structure schematic view of the utility model;

[0021] Figure 6 It is the partial structure split cross -sectional view of the utility model;

[0022] Figure 7 It is the Figure 3 Enlarged schematic view of A place in the utility model.

[0023] In the drawing:

[0024] 1, extrusion coating die head body;2, adjusting assembly;3, connecting assembly;

[0025] 101, upper mould body;102, lower mould body;

[0026] 201, connecting plate;202, scraper;203, fixed base;204, adjusting screw;

[0027] 301, guide groove; 302, guide block; 303, movable slot; 304, spring; 305, connecting block; 306, connecting slot; 307, movable rod;

[0028] 3051, fixed part; 3052, connecting part. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] Please refer to Figures 1 to 7 The utility model provides a kind of technical solutions: a squeeze coating die, including squeeze coating die body 1, adjusting assembly 2 and connecting assembly 3;Squeeze coating die body 1 includes upper die body 101 and lower die body 102;Lower die body 102 is connected with upper die body 101 by gasket, and upper die body 101 and lower die body 102 form die cavity between;Adjusting assembly 2 is arranged on lower die body 102;Adjusting assembly 2 includes connecting plate 201, scraper 202, fixed seat 203 and adjusting screw 204;Two connecting plates 201 are symmetrically slidably arranged on the both sides of lower die body 102;Scraper 202 is arranged between two connecting plates 201 and is fixedly connected with the opposite surface of two connecting plates 201;Fixed seat 203 is connected with lower die body 102 by connecting assembly 3;Adjusting screw 204 is arranged on fixed seat 203, and adjusting screw 204 is rotationally connected with one of connecting plate 201 by pivot;Adjusting screw 204 is threadedly connected with fixed seat 203;Scraper 202 is arc-shaped inclined structure, and the high end of scraper 202 is arranged close to the direction of lower die body 102, and the low end of scraper 202 is arranged away from the direction of lower die body 102, to facilitate guiding and collecting the scraped coating material.

[0031] The utility model is provided with adjusting assembly 2, according to the thickness of coating material required, rotating adjusting screw 204, so that adjusting screw 204 is threadedly connected with fixed seat 203, so that connecting plate 201 slides on lower die body 102, so that scraper 202 moves, until scraper 202 moves to appropriate position, the thickness of coating material is scraped by scraper 202, to realize the adjustment of the thickness of coating material, and the scraped coating material can fall along scraper 202, to facilitate the collection of scraped coating material, compared with prior art, the utility model has simple and reasonable structure, and is designed ingeniously, can quickly and conveniently adjust the thickness of coating material, and has strong practicality.

[0032] As a preferred embodiment, the connecting assembly 3 comprises a guide groove 301, a guide block 302, a movable groove 303, a spring 304, a connecting block 305, a connecting groove 306 and a movable rod 307; the guide groove 301 is formed in the lower die body 102; the guide block 302 is slidably arranged in the guide groove 301, and the end of the guide block 302 is fixedly connected with the fixed seat 203 through the guide groove 301; the movable groove 303 is formed in the fixed seat 203; one end of the spring 304 is fixedly connected with the inner wall of the movable groove 303; the connecting block 305 is slidably arranged in the movable groove 303 and is fixedly connected with the other end of the spring 304, and the end of the connecting block 305 extends to the outside through the guide block 302; the connecting groove 306 is formed in the guide groove 301 and is insertedly connected with the connecting block 305; the movable rod 307 is slidably arranged in the movable groove 303 and is fixedly connected with the connecting block 305; the connecting block 305 comprises a fixed part 3051 and a connecting part 3052; the fixed part 3051 is a plane, and the fixed part 3051 is in contact with the inner bottom wall of the connecting groove 306; the connecting part 3052 is an arc surface, and the connecting part 3052 is in contact with the inner wall of the movable groove 303; when the head of the adjusting screw 204 is in contact with the side surface of the fixed seat 203, the connecting plate 201 is still in contact with the side surface of the lower die body 102.

[0033] The connecting assembly 3 is arranged, the movable rod 307 is pulled to drive the connecting block 305 to move, the spring 304 is forced to contract, the spring 304 is contracted to the maximum limit, the connecting block 305 slides into the movable groove 303, then the fixed seat 203 is moved downward, the guide block 302 slides downward in the guide groove 301, the guide block 302 slides out of the guide groove 301, the scraper 202 can be disassembled, and the scraper 202 is convenient to replace.

[0034] Working principle: in use, first, according to the thickness of the coating material, rotate the adjusting screw 204, make the adjusting screw 204 and fixed seat 203 screw connection, make the connecting plate 201 slide on the lower die body 102, make the scraper 202 move, until the scraper 202 moves to the appropriate position, the thickness of the coating material is scraped through the scraper 202, to realize the adjustment of the coating material thickness, and the scraped paint can fall along the scraper 202, convenient for the collection of scraped paint, when replacing the scraper 202, pull the movable rod 307, make the movable rod 307 drive the connecting block 305 move, make the spring 304 shrink under stress, until the spring 304 shrinks to the maximum limit, at this time, the connecting block 305 slides into the movable slot 303, then, move the fixed seat 203 downward, make the guide block 302 slide downward in the guide slot 301, until the guide block 302 slides out of the guide slot 301, that is, the disassembly of the scraper 202 can be completed, when installing, make the guide block 302 slide into the guide slot 301, make the connecting part 3052 extrude the inner wall of the guide slot 301, make the connecting block 305 drive the movable rod 307 move, make the spring 304 shrink under stress, until the top surface of the guide block 302 and the inner top wall of the guide slot 301 contact, at this time, under the elastic action of the spring 304, the fixed part 3051 and the inner bottom wall of the connecting slot 306 contact, that is, the installation of the scraper 202 can be completed.

[0035] The above is the working process of the whole device, and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0036] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An extrusion coating die characterized in that, The utility model relates to a extrusion coating die body (1), adjusting assembly (2) and connecting assembly (3) are included, the extrusion coating die body (1) includes upper die body (101) and lower die body (102), the lower die body (102) is connected with upper die body (101) through the gasket, and the upper die body (101) and lower die body (102) constitute the mould cavity between, adjusting assembly (2) is arranged on the lower die body (102), adjusting assembly (2) includes connecting plate (201), scraper (202), fixed seat (203) and adjusting screw (204), two connecting plate (201) symmetry slidingly sets in lower die body (102) both sides, the scraper (202) is located between two connecting plate (201) and is fixedly connected with two connecting plate (201) opposite surfaces, the fixed seat (203) is connected with lower die body (102) through connecting assembly (3), the adjusting screw (204) is arranged on the fixed seat (203), and the adjusting screw (204) is rotatably connected with one of connecting plate (201) through the pivot.

2. An extrusion coating die according to claim 1, wherein The scraper (202) is an arc inclined structure, and the high end of the scraper (202) is arranged close to the direction of the lower die body (102), and the low end of the scraper (202) is arranged away from the direction of the lower die body (102).

3. The extrusion coating die of claim 1 wherein, The adjusting screw (204) is threadedly connected with the fixed seat (203).

4. An extrusion coating die according to claim 3, wherein The connecting assembly (3) includes a guide groove (301) and a guide block (302); the lower die body (102) is provided with the guide groove (301); the guide block (302) is slidably arranged in the guide groove (301), and the end of the guide block (302) is fixedly connected with the fixed seat (203) through the guide groove (301).

5. An extrusion coating die according to claim 4, wherein The connecting assembly (3) further includes a movable slot (303), a spring (304), a connecting block (305), a connecting slot (306), and a movable rod (307); the fixed seat (203) is provided with the movable slot (303); one end of the spring (304) is fixedly connected with the inner wall of the movable slot (303); the connecting block (305) is slidably arranged in the movable slot (303) and is fixedly connected with the other end of the spring (304), and the end of the connecting block (305) extends to the outside through the guide block (302); the connecting slot (306) is provided in the guide groove (301) and is inserted and matched with the connecting block (305); the movable rod (307) is slidably arranged in the movable slot (303) and is fixedly connected with the connecting block (305).

6. An extrusion coating die according to claim 5, wherein The connecting block (305) includes a fixed portion (3051) and a connecting portion (3052); the fixed portion (3051) is a plane, and the fixed portion (3051) is in contact with the inner bottom wall of the connecting slot (306).

7. An extrusion coating die according to claim 6, wherein The connecting portion (3052) is an arc surface, and the connecting portion (3052) is in contact with the inner wall of the movable slot (303).

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