Coating machine

Abstract

The utility model discloses a coating machine which comprises a thin film connected in a drying box in a sliding mode through two guide rollers, and further comprises a control mechanism arranged on each drying pipe and used for controlling connection and disconnection of a spray head, and the control mechanism comprises a control box fixedly connected to the side wall of the drying pipe. A control panel is slidably connected to the control box, and a control opening is formed in the side wall, located in the control box, of the control panel. Through the arrangement of the control mechanism, the nozzles which are located on the two sides of the thin film and are not opposite to the thin film can be closed conveniently according to the width of the thin film, so that the hot air output amount of the nozzles opposite to the thin film is increased under the condition that the total amount of hot air is not changed, and the drying effect on the thin film is improved while full utilization of energy is achieved.

Description

Technical Field

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

[0002] Coating machines are mainly used for surface coating production of films, paper, etc. They coat the rolled substrate with a layer of glue, paint or ink with specific functions, and accelerate the curing speed of the coating by drying it, so that it can achieve the required hardness and wear resistance in a shorter time.

[0003] During the drying operation, a hot air blower is usually used to blow hot air onto the surface of the film or paper through a nozzle, such as the authorization announcement No. CN219631855U, a coating machine drying preheating mechanism, and the nozzles arranged at equal intervals ensure the uniformity of the drying of the film or paper. However, due to the difference in width of different types of films or papers, the nozzles located on both sides of the film or paper are not opposite to the film or paper, resulting in empty blowing, which not only causes a waste of energy, but also diverts the amount of hot air on each nozzle, thereby reducing the drying effect of the film or paper.

[0004] Therefore, a coating machine is needed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a coating machine to solve the problem of empty blowing caused by the nozzles located on both sides of the film or paper not facing the film or paper mentioned in the background art.

[0006] To achieve the above object, the utility model provides the following technical solutions: a coating machine, comprising a film slidably connected to a drying box through two guide rollers, the drying box is connected to a hot air blower through a connecting pipe, the other end of the connecting pipe is connected to a plurality of drying pipes through a mounting pipe, the other end of each drying pipe is provided with a nozzle, and also includes a control mechanism arranged on each drying pipe for controlling the on and off of the nozzle;

[0007] The control mechanism includes a control box fixedly connected to the side wall of the drying tube, a control panel slidably connected to the control box, a control port is provided on the side wall of the control panel located inside the control box, the control port is matched with the drying tube, a connecting plate is fixedly connected to one end of the control panel, and a pushing mechanism for pushing the control panel is provided on the drying box.

[0008] Each of the control boxes is provided with a telescopic component for telescoping the control panel, and the telescopic component includes a fixed plate fixedly connected to two opposite side walls of the control box, and T-shaped rods are slidably connected to the two fixed plates, one end of the two T-shaped rods is connected to the connecting plate, and springs are sleeved on the side walls of the two T-shaped rods, and the two ends of the two springs are respectively connected to the fixed plate and the connecting plate.

[0009] The pushing mechanism includes two sliding plates symmetrically arranged in a sliding connection in the drying box, a mounting plate is fixedly connected to one side of the two sliding plates close to the nozzle, and a pushing plate is fixedly connected to the other end of the two mounting plates. The pushing plate slides on the side wall of the drying box, and a driving mechanism for driving the two pushing plates is provided on the drying box.

[0010] Two opposite side walls of the two pushing plates are provided with inclined surfaces, and the inclined surfaces slide on the side walls of the connecting plate.

[0011] The driving mechanism includes a guide rod fixedly connected between two opposite inner walls of the drying box, two driving plates are slidably connected to the guide rod, the other sides of the two sliding plates are connected to the driving plates, a double-headed threaded rod is rotatably connected between the two opposite inner walls of the drying box, the two driving plates are respectively threadedly connected to the threaded side walls of the double-headed threaded rod, one end of the double-headed threaded rod passes through the drying box and is fixedly connected to a crank.

[0012] An observation window is provided on the side wall of the drying box close to the crank, and a transparent glass plate is provided on the observation window.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model adopts the setting of the control mechanism, under the pushing action of the pushing mechanism, to push the control port on the control panel to be staggered with the drying tube, so that it is convenient to close the nozzles located on both sides of the film and not opposite to the film according to the width of the film, thereby increasing the hot air output of the nozzles opposite to the film when the total amount of hot air remains unchanged, thereby achieving full utilization of energy and improving the drying effect of the film. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the drying box of the utility model;

[0017] Figure 3 This is a schematic diagram of the driving mechanism structure of the utility model;

[0018] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0019] Figure 5 for Figure 4 Enlarged view of point B in the middle.

[0020] In the figure: 101, guide roller; 102, film; 103, drying box; 104, connecting pipe; 105, hot air blower; 106, mounting pipe; 107, drying pipe; 108, nozzle; 201, control box; 202, control board; 203, connecting plate; 301, fixing plate; 302, T-bar; 303, spring; 401, sliding plate; 402, mounting plate; 403, pushing plate; 404, inclined plane; 501, guide rod; 502, driving plate; 503, double-headed threaded rod; 504, crank; 6, observation window. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0022] Example 1

[0023] See also Figure 1-Figure 5 , a coating machine shown in the figure includes a film 102 slidably connected to a drying box 103 through two guide rollers 101, a hot air blower 105 is connected to the drying box 103 through a connecting pipe 104, the other end of the connecting pipe 104 is connected to a plurality of drying pipes 107 through a mounting pipe 106, a nozzle 108 is provided at the other end of each drying pipe 107, and a control mechanism is provided on each drying pipe 107 for controlling the on and off of the nozzle 108;

[0024] The control mechanism includes a control box 201 fixedly connected to the side wall of the drying tube 107, a control board 202 is slidably connected to the control box 201, a control port is opened on the side wall of the control board 202 located inside the control box 201, and the control port is matched with the drying tube 107, one end of the control board 202 is fixedly connected to a connecting plate 203, and a pushing mechanism for pushing the control board 202 is provided on the drying box 103;

[0025] It should be noted here that: through the setting of the control mechanism, under the pushing action of the pushing mechanism, the control port on the pushing control panel 202 is staggered with the drying tube 107, so that according to the width of the film 102, the nozzles 108 located on both sides of the film 102 and not opposite to the film 102 are closed, thereby increasing the hot air output of the nozzles 108 opposite to the film 102 while keeping the total amount of hot air unchanged, thereby achieving full utilization of energy and improving the drying effect of the film 102.

[0026] It is worth noting that: as a prior art, the specific structure and working principle of the coating machine have been mastered by those skilled in the art, and no further elaboration is given here. For the specific drying operation of the film 102, please refer to the authorization announcement No. CN219631855U, a coating machine drying and preheating mechanism.

[0027] See also Figure 5 , each control box 201 shown in the figure is provided with a telescopic assembly for telescoping the control board 202, the telescopic assembly includes a fixed plate 301 fixedly connected to two opposite side walls of the control box 201, a T-shaped rod 302 is slidably connected to the two fixed plates 301, one end of the two T-shaped rods 302 is connected to the connecting plate 203, and a spring 303 is sleeved on the side wall of the two T-shaped rods 302, and the two ends of the two springs 303 are respectively connected to the fixed plate 301 and the connecting plate 203;

[0028] It should be noted here that: by setting the telescopic component, a guiding and limiting function is provided for the movement of the control board 202.

[0029] See also Figure 3-Figure 5 The pushing mechanism shown in the figure includes two sliding plates 401 symmetrically arranged and slidably connected in the drying box 103. A mounting plate 402 is fixedly connected to one side of the two sliding plates 401 close to the nozzle 108. A pushing plate 403 is fixedly connected to the other end of the two mounting plates 402. The pushing plate 403 slides on the side wall of the drying box 103. The drying box 103 is provided with a driving mechanism for driving the two pushing plates 403.

[0030] It should be noted here that: by setting the pushing mechanism, it is convenient to push the control board 202 to move into the control box 201.

[0031] See also Figure 4 and Figure 5 , the two opposite side walls of the two push plates 403 shown in the figure are provided with inclined surfaces 404, and the inclined surfaces 404 slide on the side walls of the connecting plate 203;

[0032] It should be noted that: through the setting of the inclined surface 404, when the two push plates 403 and the connecting plate 203 are against each other, the control plate 202 will be pushed to move into the control box 201 under the interaction force of the inclined surface 404 and the guiding effect of the telescopic component.

[0033] Working principle: When drying the film 102, firstly, according to the width of the film 102, the nozzles 108 located on both sides of the film 102 and not facing the film 102 are closed. When the nozzles 108 are closed, the two sliding plates 401 are driven to move closer to each other under the action of the driving mechanism. In the process of the two sliding plates 401 moving closer to each other, the push plates 403 on the two mounting plates 402 are driven to move closer to each other synchronously. When the two push plates 403 abut against the connecting plate 203, the mutual action of the inclined surface 404 Under the guidance of the force and the telescopic component, the control board 202 is pushed to move into the control box 201, so that the control port on the control board 202 is staggered with the drying tube 107, thereby realizing the blocking of the pipeline between the drying tube 107 and the nozzle 108, and further closing the nozzles 108 located on both sides of the film 102 and not opposite to the film 102, thereby increasing the hot air output of the nozzle 108 opposite to the film 102 while keeping the total amount of hot air unchanged, thereby achieving full utilization of energy and improving the drying effect of the film 102.

[0034] Example 2

[0035] See also Figure 3 and Figure 4 , this embodiment further explains Example 1, the driving mechanism in the figure includes a guide rod 501 fixedly connected between two opposite inner walls of the drying box 103, two driving plates 502 are slidably connected to the guide rod 501, the other sides of the two sliding plates 401 are connected to the driving plates 502, a double-headed threaded rod 503 is rotatably connected between two opposite inner walls of the drying box 103, the two driving plates 502 are respectively threadedly connected to the threaded side walls of the double-headed threaded rod 503, one end of the double-headed threaded rod 503 passes through the drying box 103 and is fixedly connected to a crank 504;

[0036] It should be noted here that: through the setting of the driving mechanism, when the crank 504 is rotated, the double-headed threaded rod 503 will be driven to rotate, so that through the threaded engagement transmission action of the double-headed threaded rod 503 and the driving plate 502 and the guiding action of the guide rod 501, the two driving plates 502 will be driven to move closer to or away from each other.

[0037] It is worth noting that the double-threaded rod 503 is a threaded rod having two threads with opposite rotation directions.

[0038] Example 3

[0039] See also Figure 1 This embodiment is a further explanation of other embodiments. In the figure, an observation window 6 is provided on the side wall of the drying box 103 near the crank 504, and a transparent glass plate is provided on the observation window 6;

[0040] It should be noted here that, by providing the observation window 6 , when the distance between the two sliding plates 401 is adjusted according to the width of the film 102 , it is convenient to observe the movement of the sliding plates 401 .

[0041] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A coating machine, comprising: A film (102) is slidably connected to a drying box (103) via two guide rollers (101); the drying box (103) is connected to a hot air blower (105) via a connecting pipe (104); the other end of the connecting pipe (104) is connected to a plurality of drying pipes (107) via a mounting pipe (106); and the other end of each drying pipe (107) is provided with a nozzle (108); It is characterized by further comprising: A control mechanism provided on each drying tube (107) for controlling the on and off of the nozzle (108); The control mechanism comprises a control box (201) fixedly connected to the side wall of the drying tube (107); a control panel (202) is slidably connected to the control box (201); a control port is provided on the side wall of the control panel (202) located inside the control box (201); the control port is matched with the drying tube (107); one end of the control panel (202) is fixedly connected to a connecting plate (203); and a pushing mechanism for pushing the control panel (202) is provided on the drying box (103).

2. A coating machine according to claim 1, characterized in that: Each of the control boxes (201) is provided with a telescopic assembly for telescoping the control panel (202), the telescopic assembly comprising a fixing plate (301) fixedly connected to two opposite side walls of the control box (201), a T-shaped rod (302) being slidably connected to the two fixing plates (301), one end of the two T-shaped rods (302) being connected to the connecting plate (203), a spring (303) being sleeved on the side walls of the two T-shaped rods (302), and two ends of the two springs (303) being respectively connected to the fixing plate (301) and the connecting plate (203).

3. A coating machine according to claim 1, characterized in that: The pushing mechanism comprises two sliding plates (401) symmetrically arranged and slidably connected in the drying box (103); a mounting plate (402) is fixedly connected to one side of the two sliding plates (401) close to the nozzle (108); a pushing plate (403) is fixedly connected to the other end of the two mounting plates (402); the pushing plate (403) slides on the side wall of the drying box (103); and a driving mechanism for driving the two pushing plates (403) is provided on the drying box (103).

4. A coating machine according to claim 3, characterized in that: Two opposite side walls of the two pushing plates (403) are provided with inclined surfaces (404), and the inclined surfaces (404) slide on the side walls of the connecting plate (203).

5. A coating machine according to claim 3, characterized in that: The driving mechanism comprises a guide rod (501) fixedly connected between two opposite inner walls of the drying box (103); two driving plates (502) are slidably connected to the guide rod (501); the other sides of the two sliding plates (401) are connected to the driving plates (502); a double-headed threaded rod (503) is rotatably connected between two opposite inner walls of the drying box (103); the two driving plates (502) are respectively threadedly connected to the threaded side walls of the double-headed threaded rod (503); one end of the double-headed threaded rod (503) passes through the drying box (103) and is fixedly connected to a crank (504).

6. A coating machine according to claim 5, characterized in that: An observation window (6) is provided on the side wall of the drying box (103) close to the crank (504), and a transparent glass plate is provided on the observation window (6).

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