CN210207469U

CN210207469U - Gap adjustable nozzle structure for coating machine

Info

Publication number: CN210207469U
Application number: CN201922235512.7U
Authority: CN
Inventors: Huijun Zhu; 朱惠俊; Yufeng Wang; 王玉凤
Original assignee: Changzhou Gretel Packaging Equipment Co Ltd
Current assignee: Changzhou Gretel Packaging Equipment Co Ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-03-31
Anticipated expiration: 2029-12-13

Abstract

The utility model belongs to the technical field of coating machine annex technique and specifically relates to an adjustable type nozzle structure in clearance for coating machine contains fixed part and the movable part that slides and link to each other with the fixed part, set up the cavity in the fixed part, movable part is located the cavity and both sides are provided with sealed the pad, the fixed part is provided with a wedge face one and a face one, the movable part is provided with a wedge face two and a face two, a wedge face two is supported tightly on a wedge face one, a parallel and slope arrangement with the face one, the fixed part upper wall is provided with the screw hole, screw hole threaded connection has the lead screw, the tip of lead screw passes the screw hole and rotates with the movable part and link to each other, be provided with feedstock channel in the movable part, the feedstock channel below is provided with the storage chamber, the clearance between a face two forms the passageway of coating liquid circulation, the beneficial effects of the utility model are, The adjustability of the nozzle structure gap is realized through the cooperation of the wedge surfaces, and the adjustable nozzle has the advantages of simple and compact structure and convenience in operation.

Description

Gap adjustable nozzle structure for coating machine

Technical Field

The utility model belongs to the technical field of coating machine annex technique and specifically relates to an adjustable type nozzle structure in clearance for coating machine.

Background

The coating machine is widely applied to the industries of electronics, photovoltaics, printing, textiles, leather and the like, in particular to the precise coating industry such as films, lithium battery pole pieces, permeable membranes, optical membranes and the like. As a core component of a coating machine, namely a slot type nozzle structure, in the using process, due to the fact that the slot type nozzle structure is limited by different products, the gap of the nozzle structure needs to be adjusted to adapt to different coating thicknesses, and in the prior art, the slot type nozzle structure either does not have a gap adjusting function or is complex in structure.

SUMMERY OF THE UTILITY MODEL

It is not enough to aim at overcoming the above-mentioned, the utility model provides an adjustable type nozzle structure in clearance for coating machine.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an adjustable type nozzle structure in clearance for coating machine, contains fixed part and the movable part that slides and link to each other with the fixed part, set up the cavity in the fixed part, movable part is located the cavity and both sides are provided with sealed the pad, the fixed part is provided with wedge face one and face one, the movable part is provided with wedge face two and face two, wedge face two is supported tightly on wedge face one, face one is parallel with the face and the slope is arranged, the fixed part upper wall is provided with the screw hole, screw hole threaded connection has the lead screw, the tip of lead screw passes the screw hole and rotates with the movable part and link to each other, be provided with feedstock channel in the movable part, the feedstock channel below is provided with the storage chamber, the clearance between face one and the second forms the passageway that the coating liquid circulates.

According to the utility model discloses a further embodiment, further include, be provided with adjust knob on the lead screw, make things convenient for the regulation of lead screw.

According to the utility model discloses a further embodiment, further include, the movable part is provided with the bearing with the lead screw rotation department of linking to each other. The screw rod can rotate flexibly without clamping stagnation, and the gap can be further conveniently adjusted.

According to the utility model discloses a further embodiment, further include, storage cavity bottom is provided with the feed back passageway. Preventing the coating liquid from solidifying in the nozzle structure to cause blockage.

According to the utility model discloses a further embodiment, further include, the lower extreme of scarf I sets up the flange. The flange can increase the discharge pressure and ensure the uniform outflow of the coating liquid.

According to the utility model discloses a further embodiment, further include, be provided with the exhaust hole on the fixed part. The vent hole is arranged to help the air bubbles to be discharged, so that the effect of uneven coating is prevented.

According to the utility model discloses a further embodiment, further include, the lower extreme of movable part is provided with the circular arc arch. The arc bulge is tightly propped against the base material to be coated, so that the flatness of the base material is ensured, and the coating quality is ensured.

The beneficial effects of the utility model are that, the adjustability in nozzle structure clearance is realized to the mating reaction through lead screw, scarf, has simple structure compactness, simple operation's advantage.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic perspective view of the structure of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a cross-sectional view of the fixing portion;

fig. 4 is a sectional view of the movable portion.

In the figure, 1, a fixed part, 1-1, a concave cavity, 1-2, a first wedge surface, 1-3, a first surface, 2, a movable part, 2-1, a second wedge surface, 2-2, a second surface, 3, a sealing gasket, 4, a threaded hole, 5, a screw rod, 6, a material storage cavity, 7, a feeding channel, 8, a bearing, 9, a material return channel, 10, a flange, 11, an exhaust hole, 12, an arc bulge, 13 and an adjusting knob are arranged.

Detailed Description

Fig. 1 to 4 are schematic structural views of the present invention, which are a gap-adjustable nozzle structure for a coater, and the nozzle structure comprises a fixed part 1 and a movable part 2 slidably connected to the fixed part 1, wherein a cavity 1-1 is provided in the fixed part 1, the movable part 2 is located in the cavity 1-1 and both sides are provided with gaskets 3, the fixed part 1 is provided with a first wedge surface 1-2 and a first surface 1-3, the movable part 2 is provided with a second wedge surface 2-1 and a second surface 2-2, the second wedge surface 2-1 is tightly pressed against the first wedge surface 1-2, the first surface 1-3 is parallel to the second surface 2-2 and is obliquely arranged, the upper wall of the fixed part 1 is provided with a threaded hole 4, the threaded hole 4 is in threaded connection with a lead screw 5, the end of the lead screw 5 passes through the threaded hole 4 to be rotatably connected to the movable part 2, the movable part 2 is, a material storage cavity 6 is arranged below the feeding channel 7, and a gap between the first surface 1-3 and the second surface 2-2 forms a channel for the circulation of the coating liquid.

The specific principle is as follows: the feeding channel 7, the first face 1-3 and the second face 2-2 form a flowing channel of coating liquid, the fixed part 1 is provided with a cavity 1-1 structure formed by an upper wall, two side walls and a rear wall, the movable part 2 is positioned in the cavity 1-1 and is in sliding connection with the fixed part 1, the screw rod 5 is in threaded connection with the fixed part 1 and is in rotating connection with the movable part 2, the rotating motion of the screw rod 5 is converted into the linear motion of the movable part 2 along the first wedge face 1-2 by rotating the screw rod 5, and the first face 1-3 and the second face 2-2 are obliquely arranged, so that when the movable part integrally moves upwards or downwards, the gap between the first face 1-3 and the second face 2-2 can be changed, and the increase or the reduction of the gap is realized. This application realizes the adjustability in nozzle clearance through simple compact structural design, sets up the storage of the coating liquid of being convenient for in feedstock channel 7 department storage chamber 6, prevents that the coating liquid from cutting off.

According to another embodiment of the present invention, further comprising, an adjusting knob 13 is provided on the screw rod 5. The adjusting knob 13 is arranged to facilitate adjustment of the screw 5.

According to another embodiment of the present invention, further comprising, the movable portion 2 is provided with a bearing 8 at the rotary connection with the lead screw 5. The screw rod 5 can rotate flexibly without clamping stagnation, and the gap can be further conveniently adjusted.

According to the utility model discloses a further embodiment, further include, storage chamber 6 bottom is provided with feed back passageway 9. When the coating machine works, the material storage cavity 6 is in a closed state; when the coater stops, the coating liquid can flow back from the feed back channel 9, and the coating liquid is prevented from being solidified in the nozzle structure to cause blockage.

According to another embodiment of the present invention, it further comprises that the lower end of the first wedge surface 1-2 is provided with a rib 10. The flange 10 can increase the discharge pressure and ensure the uniform outflow of the coating liquid.

According to another embodiment of the present invention, further comprising, the fixing portion 1 is provided with an exhaust hole 11. If bubbles are generated in the flowing process of the coating liquid and can be gathered in the gap between the first surface 1-3 and the second surface 2-2, the vent holes 11 are arranged to help the discharge of the bubbles, and the consequence of uneven coating is prevented.

According to another embodiment of the present invention, further comprising that the lower end of the movable part 2 is provided with a circular arc protrusion 12. In the coating process, the arc-shaped bulge 12 can be tightly pressed on the base material to be coated, so that the flatness of the base material is ensured, and the coating quality is ensured.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A gap-adjustable nozzle structure for a coating machine is characterized by comprising a fixed part (1) and a movable part (2) connected with the fixed part (1) in a sliding manner, wherein a cavity (1-1) is formed in the fixed part (1), the movable part (2) is positioned in the cavity (1-1), sealing gaskets (3) are arranged on two sides of the movable part, the fixed part (1) is provided with a first wedge surface (1-2) and a first surface (1-3), the movable part (2) is provided with a second wedge surface (2-1) and a second surface (2-2), the second wedge surface (2-1) is tightly abutted against the first wedge surface (1-2), the first surface (1-3) and the second surface (2-2) are arranged in a parallel and inclined manner, the upper wall of the fixed part (1) is provided with a threaded hole (4), and the threaded hole (4) is in threaded connection with a screw rod (5, the end part of the screw rod (5) penetrates through the threaded hole (4) to be connected with the movable part (2) in a rotating mode, a feeding channel (7) is arranged in the movable part (2), a material storage cavity (6) is arranged below the feeding channel (7), and a gap between the first surface (1-3) and the second surface (2-2) forms a channel for flowing of coating liquid.

2. The gap-adjustable nozzle structure for coating machines according to claim 1, wherein the lead screw (5) is provided with an adjusting knob (13).

3. The gap-adjustable nozzle structure for coating machines as claimed in claim 1, wherein a bearing (8) is provided at a position where the movable portion (2) is rotatably connected to the screw (5).

4. The gap-adjustable nozzle structure for coating machines as claimed in claim 1, wherein the bottom of the storage chamber (6) is provided with a feed-back channel (9).

5. The gap-adjustable nozzle structure for coating machines as claimed in claim 1, wherein the lower end of the first wedge surface (1-2) is provided with a rib (10).

6. The gap-adjustable nozzle structure for coating machines according to claim 1, wherein the fixing portion (1) is provided with an exhaust hole (11).

7. The gap-adjustable nozzle structure for coating machines according to claim 1, wherein the lower end of the movable portion (2) is provided with a circular arc protrusion (12).