High-precision coating head structure for coating machine

Abstract

The high-precision coating head structure comprises a material storage shell, a coating roller and a scraping plate, the coating roller is arranged in the material storage shell, a plurality of material storage grooves are formed in the outer ring face of the coating roller in an annular structure, a through hole is formed in the center of the coating roller in the axial direction, a compression column is eccentrically arranged in the through hole, and the scraping plate is arranged in the compression column. The inner wall face of the material storage groove is provided with positioning openings communicated with the through hole, positioning plates are arranged in the positioning openings, one ends of the positioning plates extend into the material storage groove and are provided with push plates, and the other ends of the positioning plates extend into the through hole and expand outwards to form flow guide parts. According to the utility model, the structure is simple, the paint can be fully pressed into the corresponding material storage groove through the material extrusion assembly, the material storage groove with the paint can be rotated to the lower part through the rotating paint roller and is automatically discharged, and the discharged paint is of a continuous strip-shaped structure, so that the situation that the middle part is broken is avoided, and the uniformity of subsequent coating is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of coating machines, in particular to a high-precision coating head structure for coating machines. Background Art

[0002] Coating machines are primarily used for surface coating processes on materials such as film, paper, and fabric. They apply a layer of adhesive, paint, or ink to a rolled substrate. Coating machines also play a crucial role in textile and garment processing lines, serving as finishing agents for knitted and woven fabrics and decorative applications.

[0003] At present, coating machines use coating heads, but the current coating heads cannot distribute the paint evenly when discharging the material. The discharged paint is not connected, and gaps are likely to appear in the middle, which causes uneven coating of the paint, thus affecting the coating effect. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a high-precision coating head structure for a coating machine, which can control the amount of coating and discharge a connected line of coating at one time, avoiding the situation of disconnection in the middle, so as to solve the problems raised in the above background technology.

[0005] The utility model is realized through the following technical solutions: a high-precision coating head structure for a coating machine, comprising a material storage shell, a coating roller and a scraper, the coating roller is arranged inside the material storage shell, and a plurality of material storage grooves are provided in an annular structure on the outer ring surface of the coating roller, a through hole is axially provided at the center of the coating roller, a pressure column is eccentrically provided inside the through hole, one end of the pressure column is installed on the inner wall surface of the material storage shell, a positioning port connected to the through hole is provided on the inner wall surface of the material storage groove, a positioning plate is provided in the positioning port, one end of the positioning plate extends into the material storage groove and is installed with a push plate, the other end of the positioning plate extends into the through hole and is expanded outward to form a guide portion, the scraper is installed on the bottom surface of the material storage shell, a discharge port is provided on the bottom surface of the material storage shell near the scraper, and the material storage shell is provided with an extrusion component on the outside of the opening.

[0006] As a preferred technical solution, a plurality of convex teeth are installed in a ring-shaped structure in the opening at one end of the through hole, a gear meshing with the convex teeth is provided in the opening at one end of the through hole, a motor is installed at one end of the storage shell, the rotating shaft of the motor passes through the outer wall of the storage shell, and is fixedly connected to the gear.

[0007] As a preferred technical solution, both ends of the coating roller are provided with annular positioning grooves, and both ends of the inner cavity of the material storage shell are installed opposite to the positioning grooves, and one end of the positioning ring is inserted into the positioning groove.

[0008] As a preferred technical solution, the extrusion assembly includes a pressure plate, a fixed frame and an electric push rod. The fixed frame is installed on the outer surface of the material storage shell, and one end of the fixed frame extends above the opening of the material storage shell. The electric push rod is installed on the fixed frame. The piston rod of the electric push rod passes through the fixed frame and is fixedly connected to the pressure plate. The pressure plate is arranged opposite to the opening of the material storage shell.

[0009] As a preferred technical solution, fixing plates are installed at both ends of the guide portion, and compression springs are installed between the fixing plates and the inner wall surface of the through hole.

[0010] As a preferred technical solution, the outer side surfaces of the push plates are all arranged in an arc-shaped structure, and the arc-shaped structure matches the arc angle of the outer ring of the coating roller.

[0011] The beneficial effects of the present invention are as follows: the present invention has a simple structure, the paint can be stored in the storage shell, and the paint can be fully pressed into the corresponding storage groove through the extrusion component, and the storage groove containing the paint can be rotated to the bottom through the rotating paint roller and automatically discharged, and the discharged paint is in a continuous strip structure, avoiding the situation of disconnection in the middle, so as to ensure the uniformity of subsequent coating. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a bottom view of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the utility model after removing the extrusion component;

[0016] Figure 4 This is a schematic diagram of the structure of the utility model after further removing the storage shell;

[0017] Figure 5 This is a schematic structural diagram of the coating roller in the present utility model.

[0018] Among them, 1. material storage shell; 2. pressure plate; 3. fixed frame; 4. electric push rod; 5. motor; 6. discharge port; 7. scraper; 8. coating roller; 9. push plate; 10. pressure column; 11. convex teeth; 12. gear; 13. fixed plate; 14. compression spring; 15. positioning plate; 16. guide part; 17. material storage trough; 18. positioning port. DETAILED DESCRIPTION

[0019] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0020] All features disclosed in this specification, or all steps in the disclosed methods or processes, except mutually exclusive features and / or steps, can be combined in any manner.

[0021] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless otherwise stated, may be replaced by other equivalent or similar features. That is, unless otherwise stated, each feature is only an example of a series of equivalent or similar features.

[0022] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, the utility model is a high-precision coating head structure for a coating machine, comprising a material storage shell 1, a coating roller 8 and a scraper 7. The coating roller 8 is arranged inside the material storage shell 1, and a plurality of material storage grooves 17 are provided in an annular structure on the outer ring surface of the coating roller 8. A through hole is axially provided at the center of the coating roller 8, and a pressure column 10 is eccentrically provided inside the through hole. One end of the pressure column 10 is installed on the inner wall surface of the material storage shell 1, and a positioning opening 18 communicating with the through hole is provided on the inner wall surface of the material storage groove 17. A positioning plate 15 is provided in the positioning opening 18, and one end of the positioning plate 15 extends into the material storage groove 17 and is installed with a push plate 9. The other end of the positioning plate 15 extends into the through hole and expands outward to form a guide portion 16. The scraper 7 is installed on the bottom surface of the material storage shell 1, and a discharge port 6 is provided on the bottom surface of the material storage shell 1 near the scraper 7. The material storage shell 1 is provided with an extrusion component on the outside of the opening.

[0023] In this embodiment, a plurality of convex teeth 11 are installed in a ring-shaped structure in the opening at one end of the through hole, and a gear 12 is provided in the opening at one end of the through hole that is meshed with the convex teeth 11. A motor 5 is installed at one end of the storage shell 1, and the rotating shaft of the motor 5 passes through the outer wall of the storage shell 1 and is fixedly connected to the gear 12.

[0024] In this embodiment, both ends of the paint roller 8 are provided with annular positioning grooves, and positioning rings are installed at both ends of the inner cavity of the material storage shell 1 opposite to the positioning grooves. One end of the positioning ring is inserted into the positioning groove. The paint roller can be positioned by the positioning groove and the positioning ring. After the motor is driven, the paint roller can only rotate along the positioning ring.

[0025] In this embodiment, the extrusion assembly includes a pressure plate 2, a fixing frame 3 and an electric push rod 4. The fixing frame 3 is installed on the outer surface of the storage shell 1, and one end of the fixing frame 3 extends to above the opening of the storage shell 1. The electric push rod 4 is installed on the fixing frame 3. The piston rod of the electric push rod 4 passes through the fixing frame 3 and is fixedly connected to the pressure plate 2. The pressure plate 2 is arranged opposite to the opening of the storage shell 1.

[0026] In this embodiment, fixed plates 13 are installed at both ends of the guide part 16, and compression springs 14 are installed between the fixed plates 13 and the inner wall surface of the through hole. After the guide part moves away from the bottom of the pressure column, the compression spring can rebound the guide part, the positioning plate and the push plate, so that the push plate can enter the interior of the storage trough again to facilitate the next feeding.

[0027] In this embodiment, the outer side surface of the push plate 9 is arranged in an arc-shaped structure, and the arc-shaped structure matches the arc angle of the outer ring of the paint roller 8. After the push plate moves outward, the outer side surface of the push plate can be arranged flush with the outer ring surface of the paint roller to ensure the comprehensiveness of one-time discharge and avoid residue. The amount of material discharged each time can be ensured through the material storage trough to ensure the uniformity of the paint.

[0028] When in use, the paint is poured into the material storage shell, and the electric push rod is started to extend the piston rod of the electric push rod. The movement of the piston rod drives the pressure plate, which can squeeze the paint downward through the pressure plate so that the paint can fully enter the material storage tank. The motor can be started at the same time of squeezing, and the rotation of the motor drives the gear. The rotation of the gear drives the convex teeth and the paint roller. After the paint roller rotates, the material storage tank previously located above will rotate to the bottom and be arranged opposite to the discharge port, and in the process of the paint roller rotating, it drives the positioning plate and the guide part. After the corresponding guide part rotates to the bottom, the guide part can be squeezed with the pressure column, and the pressure column can push the guide part, the positioning plate and the push plate outward. The internal paint can be pushed out along the discharge port at one time through the push plate. The discharged paint is in a continuous strip structure, avoiding the situation of disconnection in the middle. After the scraper passes through the strip of paint, the paint can be evenly coated on the substrate to ensure the uniformity of subsequent coating.

[0029] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that do not require creative effort should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection defined in the claims.

Claims

1. A high-precision coating head structure for a coating machine, characterized by: The invention comprises a material storage shell (1), a coating roller (8) and a scraper (7), wherein the coating roller (8) is arranged inside the material storage shell (1), and a plurality of material storage grooves (17) are provided on the outer ring surface of the coating roller (8) in an annular structure, a through hole is axially provided at the center of the coating roller (8), and a pressure column (10) is eccentrically provided inside the through hole, one end of the pressure column (10) is installed on the inner wall surface of the material storage shell (1), and a positioning port (10) communicating with the through hole is provided on the inner wall surface of the material storage groove (17). 8), a positioning plate (15) is provided in each positioning opening (18), one end of each positioning plate (15) extends into the material storage trough (17) and is provided with a push plate (9), the other end of each positioning plate (15) extends into the through hole and is expanded outward to form a guide portion (16), a scraper (7) is installed on the bottom surface of the material storage shell (1), a discharge port (6) is provided on the bottom surface of the material storage shell (1) near the scraper (7), and an extrusion assembly is provided on the outside of the opening of the material storage shell (1).

2. The high-precision coating head structure for a coating machine according to claim 1, characterized in that: A plurality of convex teeth (11) are installed in an annular structure in the opening at one end of the through hole, and a gear (12) meshingly connected with the convex teeth (11) is provided in the opening at one end of the through hole. A motor (5) is installed at one end of the material storage shell (1), and a rotating shaft of the motor (5) passes through the outer wall of the material storage shell (1) and is fixedly connected to the gear (12).

3. The high-precision coating head structure for a coating machine according to claim 1, characterized in that: Both ends of the coating roller (8) are provided with annular positioning grooves, and both ends of the inner cavity of the material storage shell (1) are provided with positioning rings facing the positioning grooves, with one end of the positioning ring being inserted into the positioning groove.

4. The high-precision coating head structure for a coating machine according to claim 1, characterized in that: The extrusion assembly comprises a pressing plate (2), a fixing frame (3) and an electric push rod (4); the fixing frame (3) is mounted on the outer surface of the material storage shell (1); one end of the fixing frame (3) extends above the opening of the material storage shell (1); the electric push rod (4) is mounted on the fixing frame (3); the piston rod of the electric push rod (4) passes through the fixing frame (3) and is fixedly connected to the pressing plate (2); the pressing plate (2) and the opening of the material storage shell (1) are arranged opposite to each other.

5. The high-precision coating head structure for a coating machine according to claim 1, characterized in that: Fixed plates (13) are installed at both ends of the guide portion (16), and compression springs (14) are installed between the fixed plates (13) and the inner wall surface of the through hole.

6. The high-precision coating head structure for a coating machine according to claim 1, characterized in that: The outer side surfaces of the push plates (9) are all arranged in an arc-shaped structure, and the arc-shaped structure matches the arc angle of the outer ring of the coating roller (8).

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