CN108043662B

CN108043662B - Coating head

Info

Publication number: CN108043662B
Application number: CN201810064166.8A
Authority: CN
Inventors: 黎泽荣
Original assignee: Foshan Aeros Industrial Equipment Co ltd
Current assignee: Foshan Aeros Industrial Equipment Co ltd
Priority date: 2018-01-23
Filing date: 2018-01-23
Publication date: 2024-06-21
Anticipated expiration: 2038-01-23
Also published as: CN108043662A

Abstract

The utility model provides a coating head, its characterized in that includes the material ingress pipe that links to each other with the conveyer pipe, the cavity is square platy distribution head, slit formula material jet orifice, the export of more than one material ingress pipe is linked together with the corresponding more than one import of the upper end of the square platy distribution head of cavity, the cavity is square platy distribution head's lower extreme export and is rectangle, its width corresponds with slit formula material jet orifice width, its thickness is the thickness of cavity, the lower extreme export of distribution head is linked together with the import of slit formula material jet orifice. Compared with the prior art, the invention has the advantage of uniform thickness of the coated material.

Description

Coating head

Technical field:

the present invention relates to a fluid coating technology.

The background technology is as follows:

the existing fluid coating is often required to be transited into waterfall type coating by pipeline transportation, and the problem that the influence on the spraying pressure is small is solved easily, because only one horn-shaped distribution head is needed, but for the fluid greatly influenced by the spraying pressure, the spraying amount of materials at each part of the waterfall type coating is different easily due to the difference of the spraying pressure, so that the thickness of the coated materials is uneven.

The invention comprises the following steps:

the invention aims to provide a coating head with uniform thickness of a coated material.

The invention is realized by the method, which comprises a material inlet pipe, a distributing head with square plate-shaped cavity and a slit-shaped material outlet, wherein the material inlet pipe is connected with a conveying pipe, the outlets of more than one material inlet pipe are communicated with more than one corresponding inlet at the upper end of the distributing head with square plate-shaped cavity, the outlets at the lower end of the distributing head with square plate-shaped cavity are rectangular, the width of the outlets corresponds to the width of the slit-shaped material outlet, the thickness of the outlets is equal to the thickness of the cavity, and the outlets at the lower end of the distributing head are communicated with the inlets of the slit-shaped material outlet.

The distribution head with square cavity is adopted, so that the resistance of fluid from the inlet to the outlet is basically consistent by utilizing the narrow and long cavity wall resistance, the material passes through the distribution head with square cavity, the thickness and width of the material at the outlet are close to the thickness and width of the material ejection port of the slit through the molding of the distribution head, the material ejection pressure at the outlet at the lower end of the distribution head with square cavity is basically consistent, and the uniformity of the thickness of the coated material is ensured.

Here, the slit type material ejection port is provided with a thickness adjusting mechanism, the thickness adjusting mechanism comprises a fixed wall forming one side of the slit ejection port and a movable wall forming the other side of the slit ejection port, the outer side of the movable wall is provided with a fixed side wall, a plurality of shafts which are uniformly distributed along the fixed side wall and slide through the fixed side wall are connected to the movable wall, and the fixed side wall is provided with a regulator which drives the shaft to move back and forth. In use, the position of the shaft is adjusted by the adjuster, and the thickness of the slit is further determined so as to adjust the thickness of the coating.

Compared with the prior art, the invention has the advantage of uniform thickness of the coated material.

Description of the drawings:

FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;

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

FIG. 3 is a schematic structural diagram of embodiment 2 of the present invention;

FIG. 4 is a schematic structural diagram of embodiment 3 of the present invention;

fig. 5 is a schematic structural diagram of embodiment 4 of the present invention.

The specific embodiment is as follows:

The invention will now be described in further detail with reference to the accompanying drawings and examples:

As shown in the figure, the invention comprises a material inlet pipe 1 connected with a conveying pipe, a distributing head 3 with a square plate-shaped cavity 2 and a slit type material outlet 4, wherein the outlet 1a of more than one material inlet pipe 1 is communicated with more than one inlet 3a which is corresponding to the upper end of the distributing head 3 with a square plate-shaped cavity 2 and is arranged along the transverse uniform part of the upper end of the distributing head 3 with a square plate-shaped, the outlet 3b of the lower end of the distributing head 3 with a square plate-shaped cavity 2 is rectangular, the width of the outlet 3b corresponds to the width of the slit type material outlet 4, the thickness of the outlet is the thickness of the cavity 2, and the outlet 3b of the lower end of the distributing head 3 is communicated with the inlet of the slit type material outlet 4.

The distributing head 3 comprises a housing 3d with flanges 3c on the front and rear sides, two plate-shaped objects 3e respectively arranged on the two inner side walls of the housing 3d, a square plate-shaped cavity 2 is formed by the space between the two plate-shaped objects 3e, an inlet 3a is arranged at the top of the housing 3d and is communicated with the square plate-shaped cavity 2, a lower port of the square plate-shaped cavity 2 is formed by the space between the two plate-shaped objects 3, namely, a lower end outlet 3b of the distributing head 3, the slit-type material ejection opening 4 comprises an ejection opening flange 4b with an ejection opening slit 4a corresponding to the lower end outlet 3b of the distributing head 3, a thickness adjusting mechanism a arranged on the ejection opening slit 4a, the thickness adjusting mechanism a comprises a fixed wall 6 forming one side of the slit ejection opening 5, a fixed block 7 forming the other side of the slit ejection opening 5 and a movable wall 8 moving along the sliding surface of the fixed block 7, a fixed side wall 9 is arranged on the fixed block 7 at the outer side of the movable wall 8, a plurality of shafts 10 uniformly distributed along the fixed side wall 9 and sliding through the fixed side wall 9 are connected to the movable wall 8, the fixed side 9 is provided with a plurality of shafts 10 with ejection opening adjusting screws 4b which move forwards and backwards on the fixed side 3 through the flange 4 b. The plate-shaped object 3e is adopted, and the plate-shaped object 3e made of corresponding materials can be adopted according to the properties of the transported materials, so that smooth transportation and shaping of the materials are ensured.

The regulator b comprises a fixed head 11 fixed on the fixed side wall 9, and an adjusting sleeve 12 rotatably connected to the fixed head 11, and a shaft 10 penetrating through the fixed head 11 is screwed on the adjusting sleeve 12. When the movable wall is used, the shaft 10 can be moved back and forth by rotating the adjusting sleeve 12, and then the movable wall 8 is driven to move back and forth, so that the distance between the movable wall 8 and the fixed wall 6 is adjusted, and the thickness of the sprayed material meets the requirement.

Here, the inner side wall 8a of the upper end of the movable wall 8 is inclined upward, and the inner side wall 8a and the fixed wall 6 form a horn guide channel to guide the material.

Positioning pins 14 and pin holes 15 are provided between the ejection port flange 4b and the flange 3 of the distribution head 3 so as to be positioned accurately during assembly.

As shown in fig. 3, two material ingress pipes 1 are located at two sides of the distribution head 3, and materials are led into the cavity 2 from two sides of the upper end of the cavity 2, so as to adapt to the cavity 2 with a certain width range, and the resistances of the materials flowing through the cavity 2 at each place are consistent, so that the thickness uniformity of the coated materials is further ensured.

As shown in fig. 4, two material ingress pipes 1 are located at two sides of the upper end of the distribution head 3, and Y-shaped channel pipes 16 distribute materials into two paths to be uniformly led into the two material ingress pipes 1, and the materials are led into the cavity 2 from two sides of the upper end of the cavity 2 so as to adapt to the cavity 2 with a certain width range, and the resistances of the materials flowing through the cavity 2 at each position are consistent, so that the thickness uniformity of the coated materials is further ensured.

As shown in fig. 5, four material ingress pipes 1 are uniformly arranged at the upper end of the distribution head 3, two-stage Y-shaped channel separation pipes 17 distribute materials into four paths to be uniformly guided into the four material ingress pipes 1, and the materials are led into the cavity 2 from multiple positions at the upper end of the cavity 2 so as to adapt to the cavity 2 with a wider width range, and the resistance of the materials flowing through the cavity 2 at each position is uniform, so that the thickness uniformity of the coated materials is further ensured.

Of course, more material ingress pipes 1 can be arranged according to the width of the cavity 2 of the distribution head 3 so as to adapt to the cavity 2 with a wider width range, and the resistance of the materials flowing through the cavity 2 at each place is consistent so as to further ensure that the thickness of the coated materials is uniform.

Claims

1. A coating head is characterized by comprising a material inlet pipe connected with a conveying pipe, a distributing head with a square plate-shaped cavity and a slit-shaped material outlet, wherein more than one outlet of the material inlet pipe is communicated with more than one inlet corresponding to the upper end of the distributing head with the square plate-shaped cavity, the lower end outlet of the distributing head with the square plate-shaped cavity is rectangular, the width of the lower end outlet corresponds to the width of the slit-shaped material outlet, the thickness of the lower end outlet is equal to that of the cavity, the lower end outlet of the distributing head is communicated with the inlet of the slit-shaped material outlet, the slit-shaped material outlet is provided with a thickness adjusting mechanism, the thickness adjusting mechanism comprises a fixed wall forming one side of the slit outlet and a movable wall forming the other side of the slit outlet, fixed side walls are arranged on the outer sides of the movable walls, a plurality of shafts which are uniformly distributed along the fixed side walls and slide through the fixed side walls are connected on the movable walls, the fixed side wall is provided with a regulator for driving the shaft to move back and forth, the distribution head comprises a shell, two plate-shaped objects respectively arranged on two inner side walls of the shell, a square plate-shaped cavity is formed in a space between the two plate-shaped objects, an inlet is arranged at the top of the shell and is communicated with the square plate-shaped cavity, a lower port of the square plate-shaped cavity is formed in the space between the two plate-shaped objects, namely a lower end outlet of the distribution head, the front side and the rear side of the shell are provided with flanges, the slit-shaped material ejection port comprises an ejection port flange with a nozzle slit corresponding to the lower end outlet of the distribution head, a thickness regulating mechanism arranged on the nozzle slit, the thickness regulating mechanism comprises a fixed wall forming one side of the slit ejection port, a fixed block forming the other side of the slit ejection port and a movable wall moving along the sliding surface of the fixed block, the fixed side wall is arranged on the fixed block at the outer side of the movable wall, the device comprises a fixed side wall, a plurality of shafts which are uniformly distributed along the fixed side wall and slide to pass through the fixed side wall are connected to a movable wall, a regulator which drives a shaft to move back and forth is arranged on the fixed side wall, a jet orifice flange is fixed on the distribution head through screws, a slit type material jet orifice is fixed on the distribution head, the regulator comprises a fixed head fixed on the fixed side wall, an adjusting sleeve which is rotationally connected on the fixed head, and a shaft thread which passes through the fixed head is connected on the adjusting sleeve, the inner side wall at the upper end of the movable wall is inclined upwards, the inner side wall and the fixed wall form a horn guide channel, and a plate-shaped object made of corresponding materials can be adopted according to the property of the transmitted materials so as to ensure smooth transmission and shaping of the materials, and the adjusting sleeve is rotated so that the shaft can move back and forth, thereby the distance between the movable wall and the fixed wall is adjusted, and the thickness of the sprayed materials meets the requirements.