CN220195304U

CN220195304U - Spraying coater capable of preventing back from being polluted

Info

Publication number: CN220195304U
Application number: CN202320985095.1U
Authority: CN
Inventors: 何秀凯; 曾一鑫
Original assignee: Truly Opto Electronics Ltd
Current assignee: Truly Opto Electronics Ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-12-19
Anticipated expiration: 2033-04-26

Abstract

The utility model relates to the technical field of spraying machines, in particular to a spraying machine capable of preventing back pollution; the spraying machine capable of preventing back pollution can prevent PI drops from being blocked, prevent back pollution in the process of spraying the substrate, improve feeding and discharging convenience of the substrate and improve the spraying treatment efficiency of the substrate; comprising the following steps: the spraying mechanism comprises a lifting frame body and a spraying assembly arranged on the lifting frame body; the spraying mechanism is positioned in the middle of one side of the liquid discharge groove; the placing shielding mechanism comprises a placing seat, driving arms hinged to the periphery of the placing seat and shielding plates vertically arranged on the driving arms, the shielding plates are enclosed to be rectangular and matched with the shape of the substrate to be processed, and the placing seat is provided with a driving mechanism for providing power for the driving arms to act; the driving arm comprises a main arm hinged on the placing seat, a transverse plate arm hinged on the main arm and a transmission rod for transmission connection of the main arm and the transverse plate arm.

Description

Spraying coater capable of preventing back from being polluted

Technical Field

The utility model relates to the technical field of spraying machines, in particular to a spraying machine capable of preventing back pollution.

Background

As a main stream of future development, the development of flexible CTP is paid attention to, and the Sensor pattern of the traditional OGS/TOL touch screen is directly made on toughened glass, so that the direction of the touch screen to the development of flexibility is limited, and the current PI coating equipment adopts a spraying mode: the spraying system adopts a special nozzle and an electric field to enable nano-scale liquid drops to be sprayed, the nano-scale liquid drops can be ionized to be sprayed on a glass substrate through the use of low voltage of the electric field, and meanwhile, the sprayed nano-scale PI (polyimide) liquid drops can wind to the back of the glass substrate to cause back pollution.

The utility model discloses a substrate edge shielding device (publication number CN 203803695U) of a spraying machine, which comprises a conveyor, a plurality of substrates and a plurality of shielding elements, wherein the conveyor comprises two parallel side rail seats, a conveying surface is formed between the two side rail seats, the substrates move on the conveying surface one by one, a spraying surface area is planned on one surface of the substrate, the spraying surface area receives a spray gun suspended above the conveying surface to spray ink, the shielding elements are respectively arranged on the rail seats, one end wall is formed on the shielding elements, and extends to the upper side of the rail seat and suspends to shield the two end sides of the spraying surface area, so that the two end sides of the spraying surface area form a blank surface area after spraying the ink. Thus, the problem that the periphery of the substrate conveyor is easy to be stained with ink in the blank area of the two ends of the traditional substrate is solved.

However, when the present inventors embodied this device, the following drawbacks were found to exist: although it can play and carry out certain shielding to PI drip, when the unloading on the base plate, it is comparatively inconvenient, shielding device and the connection compactness of base plate need to further improve.

Disclosure of Invention

Accordingly, it is necessary to solve the above-mentioned problems and provide a back pollution prevention coater, which can prevent back pollution during a substrate spraying operation process by shielding PI droplets, improve loading and unloading convenience of the substrate, and improve substrate spraying efficiency.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a back contamination prevention applicator is applied to the spraying of a substrate.

The back-contamination preventing spray coater comprises:

the spraying mechanism comprises a lifting frame body and a spraying assembly arranged on the lifting frame body;

the spraying mechanism is positioned in the middle of one side of the liquid discharge groove;

the device comprises a storage seat, a driving arm hinged to the periphery of the storage seat, and a shielding plate vertically arranged on the driving arm, wherein the shielding plate encloses a rectangular body matched with the appearance of a substrate to be treated, and a driving mechanism for providing power for the driving arm is arranged on the storage seat.

As a preferred implementation mode of the back pollution prevention spraying machine provided by the utility model, the driving arm comprises a main arm, a cross plate arm and a transmission rod, wherein the main arm is hinged to a placing seat, the cross plate arm is hinged to the main arm, the transmission rod is used for connecting the main arm and the cross plate arm in a transmission way, a driving wheel is fixedly arranged on the transmission rod, and the driving mechanism provides power for the rotation of the driving wheel; one end of the transmission rod is hinged with the transverse plate arm, and the other end of the transmission rod is hinged with the rotating joint of the main arm and the placement seat; the driving mechanism may be a motor or a rotary cylinder alone.

As a preferred embodiment of the back pollution prevention spraying machine provided by the utility model, the driving mechanism comprises a driving worm, a plurality of driving turbines meshed with the driving worm and a driving motor, wherein the driving worm is rotatably arranged on the placing seat, the driving motor supplies power for the rotation of the driving worm, and the driving turbines are in transmission connection with the driving wheels.

As a preferred embodiment of the back pollution prevention sprayer provided by the utility model, the cross plate arm is provided with a sliding seat in a sliding manner, the shielding plate is detachably arranged on the sliding seat, and the cross plate arm is provided with a driving assembly for supplying power for feeding the sliding seat; the driving assembly preferably drives a screw rod, and the driving screw rod is in threaded transmission connection with the sliding seat.

As a preferred implementation mode of the spraying machine for preventing back pollution, the sliding seat is provided with two symmetrically arranged elastic clamping plates, and the shielding plate is clamped between the two elastic clamping plates.

As a preferred implementation mode of the back pollution prevention spraying machine provided by the utility model, the liquid draining groove comprises an outer shell and an inner tank body arranged in the outer shell, a plurality of groups of uniformly distributed first through holes are formed in the inner tank body, a hollow interlayer is formed between the outer shell and the inner tank body, and an air inlet pipe and an air outlet pipe are respectively arranged at two sides of the outer shell.

As a preferable implementation mode of the back pollution prevention spraying machine provided by the utility model, a supporting table is arranged in the middle of the placing seat, and the top end surface of the supporting table is 4mm-6mm lower than the top end surface of the shielding plate.

As a preferred implementation mode of the spraying machine for preventing back pollution, the middle upper part of the end face of the shielding plate, which is close to the center of the placement seat, is adhered with a flexible sealing plate; further, the soft sealing plate can be a silica gel or rubber plate.

As an optimal implementation mode of the back pollution prevention spraying machine provided by the utility model, two sides of the liquid draining groove are hinged with hollow tables, and second uniformly distributed ports are arranged on the hollow tables.

As a preferred embodiment of the back pollution prevention applicator provided by the utility model, the mounting groove is arranged in the placement seat, and the driving motor is arranged in the mounting groove.

Compared with the prior art, the utility model has the following beneficial effects:

according to the spraying machine for preventing back pollution, the substrate is placed at the placement seat, in an initial state, the shielding plates are in a horizontal state or in a state of being inclined to the center far away from one side of the placement seat, when the substrate is required to be sprayed, the driving mechanism drives the driving arm to act, the shielding plates are changed into a vertical state, each shielding plate is in close contact with the edge of the substrate, the spraying operation is carried out on the substrate through the spraying mechanism, the sprayed PI drops are sprayed to the substrate and shielded by the shielding plates, the PI drops are prevented from falling to the bottom of the substrate after being splashed, and the bottom cleanliness of the substrate is ensured; and through the mode that the shielding plate is fixed with the base plate clamp, can effectively improve the contact compactness of base plate and folding board, further reduce PI drip and base plate bottom contact probability, the back is accomplished in the base plate spraying, and the shielding plate resets, when going on the unloading to the base plate, the shielding plate can not cause the interference to the base plate to improve the last unloading convenience of base plate, shorten and go up the unloading duration, in order to improve the spraying operating efficiency of base plate.

Drawings

In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic perspective view of a placement shielding mechanism;

the labels in the figures are illustrated below: 1. a spraying mechanism; 2. a placement seat; 3. a shielding plate; 4. a main arm; 5. a cross plate arm; 6. a transmission rod; 7. a driving wheel; 8. driving a worm; 9. driving a turbine; 10. a driving motor; 11. a sliding seat; 12. a drive assembly; 13. an elastic clamping plate; 14. an outer housing; 15. an inner tank body; 16. a first port; 17. an air inlet pipe; 18. an air outlet pipe; 19. a support table; 20. a flexible sealing plate; 21. a hollow table; 22. a second port; 23. and a mounting groove.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

For example, the back pollution preventing sprayer in the background art can prevent PI drops from being blocked to a certain extent, but is inconvenient when the PI drops are discharged from the base plate, and the connection tightness between the blocking device and the base plate needs to be further improved.

In order to solve the technical problem, the utility model provides a back pollution prevention spraying machine which is applied to spraying of a substrate.

In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Example 1

Referring specifically to fig. 1-4, a back-contamination prevention spray applicator specifically includes:

the spraying mechanism 1 comprises a lifting frame body and a spraying assembly arranged on the lifting frame body;

the spraying mechanism 1 is positioned in the middle of one side of the liquid discharge groove;

placing shielding mechanism, placing shielding mechanism including placing seat 2, articulated install in placing seat 2 driving arm all around and be vertical form and install the shielding plate 3 on the driving arm, shielding plate 3 encloses to close and is the cuboid form that agrees with the base plate appearance of waiting to handle, installs the actuating mechanism who provides power for the driving arm action on placing seat 2.

According to the spraying machine for preventing back pollution, the substrate is placed at the placement seat 2, in an initial state, the shielding plates 3 are in a horizontal state or in a state of being inclined to the center far away from one side of the placement seat 2, when the substrate is required to be sprayed, the driving mechanism drives the driving arms to act, the shielding plates 3 are changed into a vertical state, each shielding plate 3 is in close contact with the edge of the substrate, the spraying operation is carried out on the substrate through the spraying mechanism 1, sprayed PI drops are sprayed to the substrate and shielded by the shielding plates 3, the PI drops are prevented from falling to the bottom of the substrate after being splashed, and the bottom cleanliness of the substrate is ensured; and through the mode that shielding plate 3 presss from both sides the substrate and fix, can effectively improve the contact compactness of base plate and folding board, further reduce PI and drip and base plate bottom contact probability, after the base plate spraying, shielding plate 3 resets, when going on the unloading to the base plate, shielding plate 3 can not cause the interference to the base plate to improve the last unloading convenience of base plate, shorten the time of going up the unloading, in order to improve the spraying operating efficiency of base plate.

Example 2

Further optimizing the back pollution prevention applicator provided in embodiment 1, specifically, as shown in fig. 3-4, the driving arm includes a main arm 4 hinged on the placement seat 2, a cross plate arm 5 hinged on the main arm 4, and a transmission rod 6 for transmission connection of the main arm 4 and the cross plate arm 5, wherein a driving wheel 7 is fixedly installed on the transmission rod 6, and the driving mechanism provides power for rotation of the driving wheel 7; one end of a specific transmission rod 6 is hinged with the transverse plate arm 5, and the other end of the transmission rod 6 is hinged with the rotation joint of the main arm 4 and the placement seat 2; in another embodiment, the drive mechanism may employ a motor alone, a rotary cylinder, or the like.

The driving mechanism comprises a driving worm 8, a plurality of driving turbines 9 meshed with the driving worm 8 and a driving motor 10, wherein the driving worm 8 is rotatably arranged on the placement seat 2, the driving motor 10 provides power for the rotation of the driving worm 8, and the driving turbines 9 are in transmission connection with the driving wheels 7.

According to the back pollution prevention spraying machine provided by the utility model, the driving worm 8 is driven to rotate by the driving motor 10, and after the driving worm is driven by the driving turbines 9, the driving wheels 7 on the driving arms respectively drive the corresponding driving rods 6 to act, the main arm 4 and the transverse arm 5 are stretched or condensed, so that synchronous driving of the driving arms is realized, the action is quick and quick, the close and separation of the shielding plate 3 and the outer wall of the substrate can be realized quickly, and the loading and unloading convenience and the rapidity of the substrate are ensured.

Example 2

Further optimizing the back contamination prevention applicator provided in embodiment 1, specifically, as shown in fig. 3, a sliding seat 11 is slidably mounted on a traverse arm 5, a shielding plate 3 is detachably mounted on the sliding seat 11, and a driving assembly 12 for powering the feeding of the sliding seat 11 is mounted on the traverse arm 5; the driving assembly 12 is preferably a driving screw rod which is in threaded transmission connection with the sliding seat 11; two symmetrically arranged elastic clamping plates 13 are arranged on the sliding seat 11, and the shielding plate 3 is clamped between the two elastic clamping plates 13.

Can be according to the size of base plate, through rotating drive screw, the position of sliding seat 11 changes to change shielding plate 3, make shielding plate 3 and the outer wall of corresponding size shielding plate 3 agree with mutually, with the spraying that satisfies the multi-size base plate shelters from the demand, shielding plate 3 is pressed between two elastic clamping plates 13 with the mode of plug, can more convenient realization shielding plate 3 dismantle the change.

Example 3

As shown in fig. 3, the liquid draining groove comprises an outer shell 14 and an inner tank body 15 arranged in the outer shell 14, wherein a plurality of groups of uniformly distributed first through holes 16 are formed in the inner tank body 15, a hollow interlayer is formed between the outer shell 14 and the inner tank body 15, and an air inlet pipe 17 and an air outlet pipe 18 are respectively arranged at two sides of the outer shell 14; in the process of the spraying operation of the substrate, the PI drops enter the hollow interlayer and then are discharged outwards through the internal suction negative pressure treatment of the hollow interlayer by the external suction fan, so that the floating quantity of the PI drops in the liquid discharge groove is reduced, and the occurrence rate of the condition that the bottom of the substrate is polluted is further reduced; after the substrate is processed, the air blast can be performed through the air inlet pipe 17 by an external air blower, and the air outlet pipe 18 is in a closed state at the moment so as to accelerate the air flow in the liquid discharge groove, thereby improving the curing efficiency of the coating at the substrate.

Example 4

Further optimizing the back pollution prevention applicator provided in example 2, specifically, as shown in fig. 4, the middle part of the placement seat 2 is provided with a supporting table 19, and the top end surface of the supporting table 19 is 4mm-6mm lower than the top end surface of the shielding plate 3; more specifically, the supporting table 19 may be a lifting table, such as a worm gear lifting table or a scissor lifting table, and the height of the top end surface of the supporting table 19 may be adaptively adjusted according to the thickness of the substrate; the supporting table 19 can provide a placing platform for the substrate, after the substrate is placed on the supporting table 19, the top end face of the substrate is guaranteed to be higher than the height of about 2mm of the top end face of the shielding plate 3, the shielding plate 3 is prevented from interfering the spraying operation of the top of the substrate when the coating is prevented from being sprayed to the bottom of the substrate, the edge of the top end face of the substrate is guaranteed to be in uniform contact with PI coating, and the spraying uniformity of the substrate is guaranteed.

More specifically, a flexible sealing plate 20 is adhered to the middle upper part of the end face of the shielding plate 3 near the center of the placement seat 2; further, the flexible sealing plate 20 may be a silica gel or rubber plate; the flexible sealing plate 20 has certain plasticity, and can further improve the connection tightness between the base plate and the shielding plate 3 so as to ensure effective shielding of PI paint.

Two sides of the liquid discharge groove are hinged with hollow tables 21, and second uniformly distributed ports 22 are arranged on the hollow tables 21; when the hollow table 21 is in a horizontal state, the hollow table can be used as a turnover table for loading and unloading the substrate; in the spraying operation process, the hollow table 21 can be in a vertical state and is communicated with the inside of the hollow table 21 through an external suction fan, so that paint floating above a liquid discharge groove in the spraying process is treated, the scattering of the paint around is reduced, the clean site environment is maintained, and the suction amount of operators to the paint is reduced.

The mounting groove 23 is arranged in the placement seat 2, and the driving motor 10 is arranged in the mounting groove 23; by means of the airtight installation of the driving motor 10, the influence of the paint on electrical components in the driving motor 10 is avoided, and it is required to be noted that in order to ensure the normal heat dissipation of the driving motor 10, a tubular ventilation heat dissipation or cooling mechanism can be installed to cool the driving motor 10.

The use process of the spraying machine for preventing back pollution provided by the utility model is as follows:

the substrate is placed at the supporting table 19, the substrate is positioned at the middle of each shielding plate 3, the shielding plates 3 are in a horizontal state or a state of inclining towards the center of the placement seat 2 and far away from one side, when the substrate is required to be sprayed, the driving motor 10 drives the driving worm 8 to rotate, the driving worm 8 drives the driving worm 9 to rotate, after the driving rod 6 of the driving wheel 7 is transmitted, the transverse plate arm 5 gradually becomes in a vertical state until the flexible sealing plate 20 on the shielding plates 3 is tightly contacted with the edge of the corresponding substrate, the spraying mechanism 1 is used for spraying the substrate, the hollow table 21 is in a vertical state, at the moment, the external suction fan is used for sucking negative pressure in the inner part of the hollow interlayer and the hollow table 21, so that the paint in the paint discharging groove and the paint in the paint scattering state above the hollow interlayer can be sucked out, after the substrate spraying operation is finished, the air can be blown into the hollow interlayer and the hollow table 21, so that the air flow rate in the paint discharging groove is accelerated, the curing efficiency of the substrate is improved, then the shielding plates 3 are reset to an initial state under the operation of the driving motor 10, and the substrate at the supporting table 19 is fed through a manual or external manipulator.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

Claims

1. A back pollution prevention spraying machine is characterized by comprising

The spraying mechanism (1) comprises a lifting frame body and a spraying assembly arranged on the lifting frame body;

the spraying mechanism (1) is positioned in the middle of one side of the liquid discharge groove;

place shielding mechanism, place shielding mechanism including place seat (2), articulated install in place seat (2) driving arm all around and be vertical form and install shielding plate (3) on the driving arm, shielding plate (3) enclose to close and be the cuboid form that agrees with the base plate appearance of waiting to handle, install the actuating mechanism who provides power for the driving arm action on placing seat (2).

2. The back-contamination preventing applicator of claim 1, wherein the drive arm comprises a main arm (4) hingedly mounted on the placement base (2), a cross-plate arm (5) hingedly mounted on the main arm (4), and a drive rod (6) for driving the main arm (4) and the cross-plate arm (5), a drive wheel (7) being fixedly mounted on the drive rod (6), the drive mechanism powering the rotation of the drive wheel (7).

3. The back-contamination preventing applicator of claim 2, wherein the drive mechanism comprises a drive worm (8), a plurality of drive turbines (9) engaged with the drive worm (8), and a drive motor (10), the drive worm (8) being rotatably mounted on the placement base (2), the drive motor (10) powering rotation of the drive worm (8), the drive turbines (9) being in driving connection with the drive wheel (7).

4. A back contamination prevention applicator according to claim 3, wherein the cross-plate arm (5) is slidably mounted with a slide mount (11), the shield (3) is detachably mounted on the slide mount (11), and the cross-plate arm (5) is mounted with a drive assembly (12) for powering the feed of the slide mount (11).

5. The spraying machine for preventing back pollution according to claim 4, wherein two symmetrically arranged elastic clamping plates (13) are arranged on the sliding seat (11), and the shielding plate (3) is clamped between the two elastic clamping plates (13).

6. The back pollution prevention spraying machine according to claim 1, wherein the liquid draining groove comprises an outer shell (14) and an inner tank body (15) arranged in the outer shell (14), a plurality of groups of first through holes (16) which are uniformly distributed are formed in the inner tank body (15), a hollow interlayer is formed between the outer shell (14) and the inner tank body (15), and an air inlet pipe (17) and an air outlet pipe (18) are respectively arranged on two sides of the outer shell (14).

7. The back-contamination preventing applicator of claim 1, wherein a support table (19) is mounted in the middle of the placement base (2), and the top end surface of the support table (19) is 4mm-6mm lower than the top end surface of the shielding plate (3).

8. The back-contamination preventing applicator of claim 5, wherein a flexible sealing plate (20) is bonded to an upper middle portion of an end face of the shielding plate (3) near a center of the placement base (2).

9. The back pollution prevention spraying machine according to claim 6, wherein the two sides of the liquid discharge groove are hinged with hollow tables (21), and second uniformly distributed ports (22) are arranged on the hollow tables (21).