CN217250157U

CN217250157U - Micro-concave coating device

Info

Publication number: CN217250157U
Application number: CN202122973210.7U
Authority: CN
Inventors: 程小晶; 茹正伟; 周旭
Original assignee: Changzhou Bbetter Film Technologies Co ltd
Current assignee: Changzhou Bbetter Film Technologies Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-08-23
Anticipated expiration: 2031-11-30

Abstract

The utility model provides a little concave coating unit, scribble the leftover of bolt of cloth including the concavity, the leftover of bolt of cloth is scribbled to the concavity is including gluing the groove, be equipped with glue solution and little concave roller in the glue groove, little concave roller roll surface and glue solution surface contact, and the connection piece is all installed at little concave roller both ends. The utility model improves the smoothness of the glue supply liquid and is easy to adjust the uniformity of the thickness by deepening the original glue groove; through two connection pieces of surperficial both sides installation at the slightly concave roller, can fix temporarily in the both sides of gluing the inslot slightly concave net roller, according to the about adjustment angle of the flow direction of fat limit during the coating, for example the angle can be 90, 75 degrees etc. for reduce the error rate of coating both sides fat limit, improve the glue utilization ratio, further improve material utilization ratio.

Description

Micro-concave coating device

Technical Field

The utility model relates to a coating production technical field, concretely relates to slightly concave coating unit.

Background

The coating machine is mainly used for the surface coating process production of films, paper and the like, and the coating machine is used for coating a layer of glue, paint or ink with a specific function on a coiled substrate, drying and then rolling. The multifunctional coating head is specially used, and can realize the generation of surface coating in various forms.

In the existing manufacturing process, when the PET substrate is coated, a micro-concave coating head is used for production, so that products with thin coatings can be produced, but when the products with thick coatings are produced, fat edges are easily generated on two sides of finished products, the rolling defect is easily caused, and the waste is excessive.

SUMMERY OF THE UTILITY MODEL

The utility model provides a slightly concave coating unit to solve the problem of proposing among the above-mentioned background art.

In order to solve the technical problem, the utility model discloses a slightly concave coating unit, scribble the leftover of bolt of cloth including slightly concave, slightly concave scribbles the leftover of bolt of cloth including gluey groove, be equipped with glue solution and slightly concave roller in the gluey groove, little concave roller roll surface and glue solution surface contact, and the connection piece is all installed at slightly concave roller both ends.

Preferably, the glue groove depth is greater than 5 cm.

Preferably, the depth of the glue groove is 6-7 cm.

Preferably, the connecting sheet is a copper sheet.

Preferably, the connecting sheet is detachably connected with the micro concave roller.

Preferably, the angle between the connecting sheet and the slightly concave roller is adjusted according to the flow direction of the fat edge during coating.

Preferably, the micro-concave roller is arranged along the front-back direction, the micro-concave coating head further comprises a plurality of upper press rollers which are arranged at left and right intervals, and the upper press rollers are positioned above the glue groove.

Preferably, the micro-concave coating head is further provided with a glue scraping device, the glue scraping device is arranged on one side of the glue groove, and the glue scraping device is in contact fit with the micro-concave roller.

Preferably, the dimple coating device further comprises a drying unit and a finished product winding unit, wherein the dimple coating head, the drying unit and the finished product winding unit are sequentially arranged; the drying unit comprises a drying box, and the drying box is arranged in a suspension state.

Preferably, the dimple coating device includes:

the glue groove and the glue scraping device are both positioned in the machine shell;

the scraper is in contact fit with the micro concave roller;

the frictioning device includes:

the mounting plate is characterized in that a mounting frame is arranged in the center of the upper end of the mounting plate, a telescopic rod is arranged in the mounting frame, and the upper end of the telescopic rod penetrates through the upper end of the mounting frame and is fixedly connected with an L-shaped supporting seat;

the L-shaped supporting seat is fixedly provided with a motor, the L-shaped supporting seat is rotatably provided with a rotating shaft arranged along the front-back direction, the motor is used for driving the rotating shaft to rotate, and the rotating shaft is fixedly connected with the scraper seat;

and the fastening bolt penetrates through the clamping block, and a scraper is arranged between the clamping block and the scraper seat.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is an appearance schematic diagram of the micro concave roller of the present invention.

Fig. 3 is an appearance schematic diagram of the roller surface of the micro-concave roller of the present invention.

Fig. 4 is a schematic diagram of the structure with the glue scraping device of the present invention.

Fig. 5 is a schematic structural view of the casing of the micro-concave coating head of the present invention.

Fig. 6 is a schematic structural view of the glue scraping device in fig. 5.

In the figure: 1. coating a head by using a dimple; 2. a drying unit; 3. a finished product winding unit; 4. connecting sheets; 5. an upper compression roller; 6. a glue groove; 7. a micro-concave roller; 8. a glue scraping device; 9. mounting a plate; 10. a telescopic rod; 11. an L-shaped support seat; 12. installing a frame; 13. a clamping block; 14. fastening a bolt; 15. a scraper seat; 16. a rotating shaft; 17. a limiting hole; 18. a scraper; 19. mounting a plate; 20. a casing.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

In addition, technical solutions and technical features between the various embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Example 1

The embodiment of the utility model provides a slightly concave coating unit, as shown in fig. 1-2, slightly concave coating head 1 is including gluing groove 6, be equipped with glue solution and slightly concave roller 7 in

gluing groove

6, 7 roll surfaces of slightly concave roller and glue solution surface contact, and connection piece 4 is all installed at 7 both ends of slightly concave roller.

Wherein, the depth of the glue groove 6 is more than 5 cm. Preferably, the depth of the glue groove 6 is 6-7 cm. The depth of the glue groove 6 is too small, so that the distance between the micro-concave roller 7 and the bottom surface of the glue groove 6 is too small, the flowability of glue is poor, and the problem of glue breaking can occur in the coating process; the glue groove 6 is too deep, which can cause waste of glue;

preferably, the connecting sheet 4 is a copper sheet.

Preferably, the connecting sheet 4 and the micro-concave roller 7 are detachably connected (detachable modes such as clamping and bolt connection can be adopted).

Preferably, the micro-concave roller 7 is arranged in the glue groove 6 in the front-back direction, the front end and the back end of the micro-concave roller 7 are respectively connected with the inner walls of the front side and the back side of the glue groove 6, and the connecting sheets 4 are arranged on the front side and the back side of the micro-concave roller 7; the angle between the connecting sheet 4 and the slightly concave roller 7 is adjusted (left-right adjustment, in this case, the axial direction of the slightly concave roller 7 is the front-rear direction, and the connecting sheet 4 is provided on the front-rear side of the slightly concave roller 7) according to the flow direction of the fat edge during coating. At present, the fat edges generated during coating are cut off in a slitting process, so that materials are wasted. Two copper sheets are arranged on two sides of the surface of the micro concave roller 7 and detachably connected with the micro concave roller 7, the copper sheets can be temporarily fixed on two sides of the micro concave roller (micro concave net roller) in the glue groove 6, and the angle can be adjusted according to the left and right directions of the flow direction of the fat edge during coating, for example, the angle can be 90 degrees, 75 degrees and the like, so that the error rate of the fat edge on two sides of the coating is reduced, the glue utilization rate is improved, and the material utilization rate is further improved.

Preferably, the micro-concave roller 7 is arranged along a front-back direction (wherein the front-back direction is an extending direction of the length of the micro-concave roller), the micro-concave coating head 1 further comprises a plurality of upper press rollers 5 arranged at left and right intervals, and the upper press rollers 5 are located above the glue groove 6.

The arrows in FIG. 1 represent the direction of transport of the PET substrate.

The working principle of the technical scheme is as follows: the PET substrate enters the micro-concave coating head 1, is arranged between the upper pressing roller 5 and the micro-concave roller 7, and is rotated through the micro-concave roller 7 to lift and transfer the glue solution in the glue tank 6 to the PET substrate.

The beneficial effects of the above technical scheme are: by deepening the glue groove 6, the smoothness of the glue solution is effectively improved, and the uniformity of the thickness of the coating is easily adjusted; the connecting sheets (copper sheets) 4 are arranged on the two sides of the micro concave roller 7, so that the error rate of the fat edges on the two sides of the coating surface is reduced, the glue utilization rate and the product yield are improved, the working procedure time is saved, and the material utilization rate is further improved.

The problems in the prior art provided by the background art are solved: when the products with thin coatings are produced, fat edges are easily generated on two sides of the base material, so that the problems of rolling defects and excessive waste are easily caused.

Example 2

On the basis of the embodiment 1, as shown in fig. 1, the coating device further comprises a drying unit 2 and a finished product winding unit 3, wherein the micro-concave coating head 1, the drying unit 2 and the finished product winding unit 3 are sequentially arranged; the drying unit 2 comprises a drying box, and the drying box is arranged in a suspension state.

The working principle of the technical scheme is as follows: after the PET substrate passes through the micro-concave coating head and the drying box of the drying unit 2, the dried finished product enters the finished product winding unit 3.

The beneficial effects of the above technical scheme are: by adopting the suspension oven, a series of bad defects caused by the contact between the coating surface of the PET substrate after being coated with glue and the guide roller are avoided, and the time for cleaning the guide roller of the oven is reduced.

Example 3

On the basis of the

embodiment

1 or 2, the micro-concave coating head 1 is further provided with a glue scraping device 8, the glue scraping device 8 is arranged on one side of the glue groove 6, and the glue scraping device 8 is in contact fit with the micro-concave roller 7.

Wherein, preferably, the upper press roller 5 is arranged in the front-back direction in the dimple coating head 1, and the upper press roller 5 is connected to the mounting plate 19 arranged in the vertical direction.

The working principle of the technical scheme is as follows: the rotation of the micro-concave roller 7 brings up the glue solution in the glue groove 6, the excessive glue solution is scraped by the glue scraping device 8, and the residual glue solution is transferred to the PET substrate in a certain proportion.

The beneficial effects of the above technical scheme are: the glue scraping device 8 is used for scraping redundant glue solution, so that the amount of the glue solution on the PET substrate can be adjusted conveniently.

Example 4

On the basis of example 3, as shown in fig. 5 to 6, the dimple coating apparatus includes: the machine shell 20, the glue groove 6 and the glue scraping device 8 are both positioned in the machine shell 20;

the glue scraping device 8 includes:

a scraper 18, wherein the scraper 18 is in contact fit with the micro-concave roller 7;

the mounting structure comprises a mounting plate 9, wherein a mounting frame 12 is arranged in the center of the upper end of the mounting plate 9, an expansion link 10 is arranged in the mounting frame 12, and the upper end of the expansion link 10 penetrates through the upper end of the mounting frame 12 and is fixedly connected with an L-shaped supporting seat 11;

a motor 17 is fixedly arranged on the L-shaped supporting seat 11, a rotating shaft 16 arranged along the front-back direction is rotatably arranged on the L-shaped supporting seat 11, the motor 17 is used for driving the rotating shaft 16 to rotate, and the rotating shaft 16 is fixedly connected with the scraper seat 15;

the fastening bolt 14 penetrates through the clamping block 13, and a scraper 18 is arranged between the clamping block 13 and the scraper seat 15; optionally, the clamping block 13, the scraper 18 and the scraper seat 15 are correspondingly provided with threaded holes, and are connected in the threaded holes by bolts to connect the clamping block, the scraper and the scraper seat; or the clamping block is provided with a threaded hole, the bolt is connected to the threaded hole, and the bolt is abutted to the scraper.

The working principle of the technical scheme is as follows: clamping the scraper 18 between the clamping block 13 and the scraper seat 15, and rotating the fastening bolt 14 to fix the scraper 18; the position of the telescopic rod 10 is adjusted to enable the scraper seat 15 to ascend or descend, after the scraper seat reaches a proper position, the motor 17 is started, the rotating shaft 16 starts to rotate, the scraper seat 15 starts to rotate, and when the scraper 18 and the micro-concave roller 7 reach a proper angle, the motor 17 stops rotating.

The beneficial effects of the above technical scheme are: by arranging the telescopic rod 10, the scraper 18 can be effectively driven to ascend or descend at a proper position; by arranging the motor 17 and the rotating shaft 16, the scraper 18 and the micro-concave roller 7 can form a proper angle effectively, and the practicability and the functionality of the device are greatly improved.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The micro-concave coating device is characterized by comprising a micro-concave coating head (1), wherein the micro-concave coating head (1) comprises a glue groove (6), glue solution and a micro-concave roller (7) are arranged in the glue groove (6), the roller surface of the micro-concave roller (7) is in surface contact with the glue solution, and connecting pieces (4) are arranged at two ends of the micro-concave roller (7).

2. A dimpled coating device according to claim 1, wherein the glue channel (6) has a depth greater than 5 cm.

3. A dimpled coating device according to claim 2, wherein the glue slot (6) has a depth of 6-7 cm.

4. A dimple coating device according to claim 1, characterized in that the connection piece (4) is a copper sheet.

5. A dimple coating device according to claim 1, characterized in that said web (4) is removably connected to said dimple roller (7).

6. A dimple coating device according to claim 1 or 5, characterized in that the angle between the web (4) and the dimple roller (7) is adjustable.

7. The dimple coating device according to claim 1, wherein the dimple rollers (7) are arranged in a front-back direction, the dimple coating head (1) further comprises a plurality of upper press rollers (5) arranged at intervals in a left-right direction, and the upper press rollers (5) are located above the glue tank (6).

8. The dimple coating device according to claim 1, further comprising a drying unit (2) and a finished product winding unit (3), wherein the dimple coating head (1), the drying unit (2) and the finished product winding unit (3) are sequentially arranged; the drying unit (2) comprises a drying box, and the drying box is arranged in a suspending manner.

9. The dimpled coating device according to claim 1, characterized in that the dimpled coating head (1) is further provided with a glue scraping device (8), the glue scraping device (8) is arranged at one side of the glue groove (6), and the glue scraping device (8) is in contact engagement with the dimpled roller (7).

10. The dimple coating apparatus as claimed in claim 9, comprising: the glue groove (6) and the glue scraping device (8) are both positioned in the machine shell (20);

the glue scraping device (8) comprises:

a scraper (18), wherein the scraper (18) is in contact fit with the micro-concave roller (7);

the mounting structure comprises a mounting plate (9), wherein a mounting frame (12) is arranged in the center of the upper end of the mounting plate (9), a telescopic rod (10) is arranged in the mounting frame (12), and the upper end of the telescopic rod (10) penetrates through the upper end of the mounting frame (12) and is fixedly connected with an L-shaped supporting seat (11);

a motor (17) is fixedly arranged on the L-shaped supporting seat (11), a rotating shaft (16) which is arranged along the front-back direction is rotatably arranged on the L-shaped supporting seat (11), the motor (17) is used for driving the rotating shaft (16) to rotate, and the rotating shaft (16) is fixedly connected with the scraper seat (15);

the fastening bolt (14), the fastening bolt (14) runs through presss from both sides tight piece (13), and press from both sides and be equipped with scraper (18) between tight piece (13) and scraper seat (15).