CN112264234A

CN112264234A - Wood door electrostatic spraying equipment and process

Info

Publication number: CN112264234A
Application number: CN202011114115.5A
Authority: CN
Inventors: 涂孝志
Original assignee: Chongqing Shuaizhidun Door Industry Co ltd
Current assignee: Chongqing Shuaizhidun Door Industry Co ltd
Priority date: 2020-10-18
Filing date: 2020-10-18
Publication date: 2021-01-26
Anticipated expiration: 2040-10-18
Also published as: CN112264234B

Abstract

The invention provides a wooden door electrostatic spraying device which comprises a first conveying belt, a soaking box, a second conveying belt, a spraying box, a third conveying belt, a drying box and a fourth conveying belt, wherein the first conveying belt, the soaking box, the second conveying belt, the spraying box, the third conveying belt, the drying box and the fourth conveying belt are sequentially connected; the infiltration box comprises a first screw rod mechanism, a second screw rod mechanism, a third screw rod mechanism, a wood moisture detector and a roller bracket; two sides of the infiltration box, which are close to the first conveying belt, are connected with first clamping blocks in a sliding manner, and two sides of the infiltration box, which are close to the second conveying belt, are connected with second clamping blocks in a sliding manner; the top of the infiltration box is connected with an atomization device in a sliding way; the wood moisture detector is arranged on the outer wall of one side of the infiltration box, which is close to the second conveying belt; the roller bracket is arranged at the bottom of the infiltration tank; the spraying box is used for carrying out electrostatic spraying operation on the first surface or the second surface of the wooden door; the drying box is used for drying and curing the first surface or the second surface of the wooden door. The device realizes the electrostatic spraying operation on the wooden door by arranging the infiltration box, the spraying box and the drying box, has good spraying effect and lower manufacturing cost compared with imported equipment.

Description

Wood door electrostatic spraying equipment and process

Technical Field

The invention relates to the technical field of furniture processing, in particular to wood door electrostatic spraying equipment and a wood door electrostatic spraying process.

Background

In the production and processing process of the wooden door, when paint spraying operation is carried out, the wooden door is directly sprayed by an operator holding a paint spray gun, the method is high in labor intensity and high in physical strength, the paint spray is easy to damage the body of the operator, and the spraying effect is general.

In recent years, some automatic paint spraying devices or equipment for realizing automatic paint spraying, such as advanced spraying robots, are also available, but most of the equipment is imported, so that the cost is high, the replacement of parts is troublesome, and common middle and small wooden door processing enterprises are difficult to purchase and apply.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the wood door electrostatic spraying equipment and the process, and solves the technical problem that the existing wood door automatic paint spraying device is high in cost.

In order to achieve the purpose, the invention is realized by the following technical scheme:

an electrostatic spraying device for a wooden door comprises a first conveying belt, a soaking box, a second conveying belt, a spraying box, a third conveying belt, a drying box and a fourth conveying belt which are connected in sequence; the infiltration box comprises a first screw rod mechanism, a second screw rod mechanism, a third screw rod mechanism, a wood moisture detector and a roller bracket; the two sides of the infiltration box, which are close to the first conveying belt, are respectively provided with one first screw rod mechanism, a first clamping block is connected onto a screw rod of the first screw rod mechanism in a sliding manner, the two sides of the infiltration box, which are close to the second conveying belt, are respectively provided with one second screw rod mechanism, a second clamping block is connected onto a screw rod of the second screw rod mechanism in a sliding manner, and the two first clamping blocks and the two second clamping blocks jointly act to jointly clamp a wooden door and are used for driving the wooden door to move; the third screw rod mechanism is arranged at the top of the infiltration box, and an atomization device is connected to a screw rod of the third screw rod mechanism in a sliding manner and is used for humidifying and infiltrating a lower wooden door; the wood moisture detector is arranged on the outer wall of one side of the infiltration box, which is close to the second conveying belt; the roller bracket is arranged at the bottom of the infiltration box and is used for supporting a wooden door conveyed into the infiltration box from the first conveying belt; the spraying box is used for carrying out electrostatic spraying operation on the first surface or the second surface of the wooden door; the drying box is used for drying and curing the first surface or the second surface of the wooden door.

Optionally, the first conveying belt is provided with glue coating devices on two sides respectively, so that glue can be coated on two sides of the wooden door to glue the wing plates on two sides of the wooden door conveniently.

Optionally, glue removing devices are respectively arranged on two sides of the fourth conveying belt and used for smearing glue removing agents to gluing positions of wing plates on two sides of the wooden door so as to remove the wing plates.

Optionally, the outer wall of one side, close to the second conveying belt, of the infiltration box is provided with a first cylinder, a piston rod of the first cylinder is arranged downwards, and the wood moisture detector is arranged at the end of the piston rod of the first cylinder.

Optionally, the inner wall that the infiltration case is close to second conveyer belt one side is equipped with the second cylinder, the piston rod of second cylinder sets up downwards, the tailpiece of the piston rod portion of second cylinder is equipped with flexible strip, in order to be used for erasing treat the water stain of spraying timber first surface.

Optionally, a flexible waterproof curtain is arranged between the flexible strip and the cylinder body of the second cylinder, and when the second cylinder pushes the flexible strip to be in surface contact with the wooden door, the flexible waterproof curtain seals an outlet of the infiltration tank so as to prevent a large amount of water vapor in the infiltration tank from overflowing through the outlet of the infiltration tank to affect the detection precision of the wood moisture detector.

Optionally, transparent cover bodies are arranged between the soaking box and the spraying box and between the spraying box and the drying box, so that coating powder is prevented from overflowing from an inlet and an outlet of the spraying box.

An environment-friendly electrostatic spraying process comprises the following steps:

s1, arranging at least two wing plates on two opposite side edges of the wood door to be sprayed;

s2, humidifying and infiltrating the wooden door to be sprayed, which is provided with the wing plate, to an easily conductive state;

s3, clamping the wooden door to be sprayed in an easily conductive state through the wing plates, and performing electrostatic spraying operation on the first surface of the wooden door to be sprayed;

s4, drying and curing the first surface of the wooden door;

s5, overturning the wooden door, and repeating the steps S2-S4 to finish the spraying of the second surface of the wooden door;

and S6, removing the wing plates.

Optionally, in step S1, the wing plates are firmly attached to the side edges of the wooden door to be painted by gluing; in step S6, the wing plates are removed by glue removal, and gluing marks are cleaned.

Optionally, after step S2, the method further includes wiping off water stains on the first surface of the wood door to be painted.

According to the technical scheme, the invention has the beneficial effects that:

the invention provides electrostatic spraying equipment for a wooden door, which comprises a first conveying belt, a soaking box, a second conveying belt, a spraying box, a third conveying belt, a drying box and a fourth conveying belt, wherein the first conveying belt, the soaking box, the second conveying belt, the spraying box, the third conveying belt, the drying box and the fourth conveying belt are sequentially connected; the infiltration box comprises a first screw rod mechanism, a second screw rod mechanism, a third screw rod mechanism, a wood moisture detector and a roller bracket; the two sides of the infiltration box, which are close to the first conveying belt, are respectively provided with one first screw rod mechanism, a first clamping block is connected onto a screw rod of the first screw rod mechanism in a sliding manner, the two sides of the infiltration box, which are close to the second conveying belt, are respectively provided with one second screw rod mechanism, a second clamping block is connected onto a screw rod of the second screw rod mechanism in a sliding manner, and the two first clamping blocks and the two second clamping blocks jointly act to jointly clamp a wooden door and are used for driving the wooden door to move; the third screw rod mechanism is arranged at the top of the infiltration box, and an atomization device is connected to a screw rod of the third screw rod mechanism in a sliding manner and is used for humidifying and infiltrating a lower wooden door; the wood moisture detector is arranged on the outer wall of one side of the infiltration box, which is close to the second conveying belt; the roller bracket is arranged at the bottom of the infiltration box and is used for supporting a wooden door conveyed into the infiltration box from the first conveying belt; the spraying box is used for carrying out electrostatic spraying operation on the first surface or the second surface of the wooden door; the drying box is used for drying and curing the first surface or the second surface of the wooden door. The device realizes the electrostatic spraying operation on the wooden door by arranging the infiltration box, the spraying box and the drying box, has good spraying effect and lower manufacturing cost compared with imported equipment.

In a second aspect, the present invention provides an environment-friendly electrostatic spraying process, comprising the following steps: s1, arranging at least two wing plates on two opposite side edges of the wood door to be sprayed; s2, humidifying and infiltrating the wooden door to be sprayed, which is provided with the wing plate, to an easily conductive state; s3, clamping the wooden door to be sprayed in an easily conductive state through the wing plates, and performing electrostatic spraying operation on the first surface of the wooden door to be sprayed; s4, drying and curing the first surface of the wooden door; s5, overturning the wooden door, and repeating the steps S2-S4 to finish the spraying of the second surface of the wooden door; and S6, removing the wing plates. The temporary wing plates are arranged on the two sides of the wooden door to be sprayed, so that the wooden door can be stably clamped by the clamping wing plates during humidification and wetting and spraying, the situation that the clamping position hinders spraying when the wooden door is directly clamped is avoided, spraying operation of the wooden door is completed through an electrostatic spraying technology, and compared with imported equipment, the wooden door spraying device is low in manufacturing cost.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic structural view of an electrostatic painting apparatus for a wooden door;

FIG. 2 is a schematic perspective view of the infiltration tank;

FIG. 3 is a schematic cross-sectional view of the infiltration tank;

FIG. 4 is a cross-sectional view of the infiltration tank;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is a schematic view of a winged wooden door;

reference numerals:

1-a first conveying belt, 2-a soaking box, 3-a second conveying belt, 4-a spraying box, 5-a third conveying belt, 6-a drying box, 7-a fourth conveying belt, 8-a gluing device and 9-a glue removing device;

21-a first screw rod mechanism, 22-a second screw rod mechanism, 23-a third screw rod mechanism, 24-a wood moisture detector, 25-a roller bracket, 26-a flexible strip, 27-a first cylinder and 28-a second cylinder;

211-first clamp block, 221-second clamp block, 231-atomizing device;

100-wooden door, 110-first wing panel, 120-second wing panel, 130-third wing panel.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

Referring to fig. 1-5, the electrostatic painting apparatus for wooden doors provided by the present invention includes a first conveyor belt 1, a wetting box 2, a second conveyor belt 3, a painting box 4, a third conveyor belt 5, a drying box 6, and a fourth conveyor belt 7, which are connected in sequence. The wooden door sequentially passes through the first conveying belt 1, the infiltration box 2, the second conveying belt 3, the spraying box 4, the third conveying belt 5, the drying box 6 and the fourth conveying belt 7 to finish the spraying of the first surface or the second surface of the wooden door. The infiltration box 2 comprises a first screw rod mechanism 21, a second screw rod mechanism 22, a third screw rod mechanism 23, a wood moisture detector 24 and a roller bracket 25. The two sides of the infiltration box 2 close to the first conveyor belt 1 are respectively provided with one first screw rod mechanism 21, a screw rod of the first screw rod mechanism 21 is connected with a first clamping block 211 in a sliding manner, and the sliding direction of the first clamping block 211 is consistent with the advancing direction of a wooden door. Infiltration case 2 respectively is equipped with one near the both sides of second conveyer belt 3 second screw mechanism 22, sliding connection has second clamp splice 221 on the lead screw of second screw mechanism 22, the slip direction of second clamp splice 221 is unanimous with timber advancing direction, just the lead screw of first screw mechanism 21 with the lead screw of second screw mechanism 22 is coaxial, two first clamp splice 211 and two second clamp splice 221 combined action is with common centre gripping timber to and be used for driving the timber displacement. Third screw mechanism 23 sets up in infiltration case 2 top, sliding connection has atomizing device 231 on third screw mechanism 23's the lead screw, atomizing device 231's slip direction is unanimous with timber advancing direction to be used for timber humidification infiltration downwards. The wood moisture detector 24 is arranged on the outer wall of the infiltration box 2 close to one side of the second conveying belt 3. Specifically, infiltration case 2 is close to second conveyer belt 3 one side outer wall and is equipped with first cylinder 27, the piston rod of first cylinder 27 sets up downwards, timber moisture detector 24 set up in the piston rod tip of first cylinder 27, through the cylinder drive so that adjust the interval of timber moisture detector 24 and timber. Because the humidity in the infiltration box 2 is higher, the wood moisture detector 24 is arranged outside the infiltration box 2 to reduce the measurement error. The roller bracket 25 is arranged at the bottom of the infiltration tank 2 and is used for supporting the wooden door sent into the infiltration tank 2 from the first conveyor belt 1. The spraying box 4 is used for carrying out electrostatic spraying operation on the first surface or the second surface of the wooden door. The spraying box 4 is also internally provided with the first clamping block 211, the second clamping block 221 and the roller bracket 25, and the clamping mechanism of the spraying box to the wooden door is consistent with that of the infiltration box 2. And the drying box 6 is used for drying and curing the first surface or the second surface of the wooden door. The device realizes the electrostatic spraying operation on the wooden door by arranging the infiltration box 2, the spraying box 4 and the drying box 6, has good spraying effect and lower manufacturing cost compared with imported devices.

Referring to fig. 6, a first wing plate 110, a second wing plate 120 and a third wing plate 130 are respectively disposed in pairs on two sides of the wooden door 100. Referring to fig. 3-4, when the wooden door 100 is transported by the first conveyor belt 1, the first clamping block 211 and the second clamping block 221 move to the maximum position to the left, and when the front end of the wooden door 100 enters the infiltration tank 2, the first clamping block 211 clamps the first wing plate 110, and then the first clamping block 211 and the first conveyor belt 1 drive the wooden door 100 to move to the right; when the first clamping block 211 moves to the maximum position, the first wing plate 110 is released, then the first clamping block 211 moves to the left rapidly and clamps the second wing plate 120 to drive the wooden door 100 to move to the right continuously, at this time, the front half part of the wooden door 100 completely enters the infiltration box 2, the conveying force of the first conveying belt 1 is reduced, and therefore the driving force is supplemented through the first clamping block 211; the wooden door 100 continuously moves to the second clamping block 221 to clamp the first wing plate 110, meanwhile, the first clamping block 211 releases the second wing plate 120, the second clamping block 221 drives the wooden door 100 to continuously move to the right to completely enter the infiltration box 2, at the moment, the second clamping block 221 stops moving, the first clamping block 211 moves to clamp the third wing plate 130 to stably clamp the wooden door 100, and the atomization device 231 starts moving left and right to complete humidification and infiltration of the wooden door 100; after the humidification and infiltration are finished, the first clamping block 211 releases the third wing plate 130, and the second clamping block 221 drives the wooden door 100 to move right until the wooden door 100 enters the second conveying belt 3 through the outlet of the infiltration box 2; when the front end of the wooden door 100 extends out of the outlet of the infiltration box 2, the wood moisture detector 24 measures the moisture content of the wood door 100, and measures the moisture content of the wood door 100 at multiple points in the moving process of the wooden door 100, if the moisture content measured at any detection point is lower than the conductive requirement, the second conveying belt 3 is reversed, and meanwhile, the second clamping block 221 assists in driving the wooden door 100 to retreat into the infiltration box 2 for infiltration again; if the water content measured at all the detection points meets the conductive requirement, the second conveyer belt 3 sends the wooden door 100 into the spraying box 4 for electrostatic spraying. The first clamping block 211 and the second clamping block 221 in the spraying box 4 operate according to the same mechanism as the wetting box 2.

As a further improvement to the above scheme, please refer to fig. 1, glue coating devices 8 are respectively disposed on two sides of the first conveyor belt 1, so as to coat glue on two sides of the wooden door, so as to glue wing plates on two sides of the wooden door. And glue removing devices 9 are respectively arranged on two sides of the fourth conveying belt 7 and used for smearing glue removing agents to gluing parts of wing plates on two sides of the wooden door so as to remove the wing plates.

As a further improvement to the above scheme, please refer to fig. 5, a second cylinder 28 is disposed on the inner wall of the infiltration tank 2 near the second conveyor belt 3, a piston rod of the second cylinder 28 is disposed downward, a flexible strip 26 is disposed at an end of the piston rod of the second cylinder 28, so as to erase water stains on the first surface of the wooden door to be sprayed, and a gap between the flexible strip 26 and the wooden door is changed by the telescopic motion of the second cylinder 28, so as to erase the water stains accumulated on the surface when the wooden door moves. Water stain on the surface of the wooden door is erased by arranging the flexible strips 26, so that the influence of the water stain on the surface of the wooden door on the spraying quality is avoided. Preferably, a flexible waterproof curtain is arranged between the flexible strip 26 and the cylinder body of the second cylinder 28, and when the second cylinder 28 pushes the flexible strip 26 to contact with the surface of the wood door, the flexible waterproof curtain closes the outlet of the infiltration tank 2 to prevent a large amount of water vapor in the infiltration tank 2 from overflowing through the outlet of the infiltration tank 2 to affect the detection accuracy of the wood moisture detector 24.

As a further improvement to the above scheme, transparent cover bodies are respectively arranged between the soaking tank 2 and the spraying tank 4, and between the spraying tank 4 and the drying tank 6, so as to prevent coating powder from overflowing from an inlet and an outlet of the spraying tank 4 to harm the environment.

s4, drying and curing the first surface of the wooden door;

and S6, removing the wing plates.

The temporary wing plates are arranged on the two sides of the wooden door to be sprayed, so that the wooden door can be stably clamped by the clamping wing plates during humidification and wetting and spraying, the situation that the clamping position hinders spraying when the wooden door is directly clamped is avoided, spraying operation of the wooden door is completed through an electrostatic spraying technology, and compared with imported equipment, the wooden door spraying device is low in manufacturing cost.

As a further improvement to the above scheme, in step S1, the wing plate is firmly attached to the side edge of the wooden door to be painted by gluing, and the step can be performed manually; in step S6, the wing plates are removed by glue removal, and gluing traces are cleaned, which can be performed manually.

As a further improvement to the above scheme, after step S2, the method further comprises the step of erasing water stains on the first surface of the wooden door to be sprayed, so that the influence of the water stains on the surface of the wooden door on the spraying quality is avoided.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The utility model provides a timber electrostatic spraying equipment which characterized in that: comprises a first conveyer belt (1), a soaking box (2), a second conveyer belt (3), a spraying box (4), a third conveyer belt (5), a drying box (6) and a fourth conveyer belt (7) which are connected in sequence; the infiltration box (2) comprises a first screw rod mechanism (21), a second screw rod mechanism (22), a third screw rod mechanism (23), a wood moisture detector (24) and a roller bracket (25); the two sides of the infiltration box (2) close to the first conveying belt (1) are respectively provided with one first screw rod mechanism (21), a screw rod of the first screw rod mechanism (21) is connected with a first clamping block (211) in a sliding mode, two sides of the infiltration box (2) close to the second conveying belt (3) are respectively provided with one second screw rod mechanism (22), a screw rod of the second screw rod mechanism (22) is connected with a second clamping block (221) in a sliding mode, and the two first clamping blocks (211) and the two second clamping blocks (221) jointly act to clamp a wooden door and are used for driving the wooden door to move; the third screw rod mechanism (23) is arranged at the top of the infiltration box (2), and an atomization device (231) is connected to a screw rod of the third screw rod mechanism (23) in a sliding manner and used for humidifying and infiltrating a lower wooden door; the wood moisture detector (24) is arranged on the outer wall of the infiltration box (2) close to one side of the second conveying belt (3); the roller bracket (25) is arranged at the bottom of the infiltration box (2) and is used for supporting a wooden door conveyed into the infiltration box (2) from the first conveying belt (1); the spraying box (4) is used for performing electrostatic spraying operation on the first surface or the second surface of the wooden door; and the drying box (6) is used for drying and curing the first surface or the second surface of the wooden door.

2. The environmental-friendly electrostatic spraying equipment according to claim 1, wherein two sides of the first conveying belt (1) are respectively provided with a gluing device (8) for applying glue to two sides of a wooden door so as to glue wing plates to two sides of the wooden door.

3. The environmental-friendly electrostatic spraying equipment as claimed in claim 2, wherein the fourth conveyer belt (7) is provided with glue removing devices (9) at two sides respectively for applying glue removing agent to gluing positions of wing plates at two sides of the wood door so as to remove the wing plates.

4. The environmental-friendly electrostatic spraying equipment according to claim 1, wherein the outer wall of the infiltration tank (2) close to one side of the second conveying belt (3) is provided with a first cylinder (27), a piston rod of the first cylinder (27) is arranged downwards, and the wood moisture detector (24) is arranged at the end part of the piston rod of the first cylinder (27).

5. The environmental-friendly electrostatic spraying equipment according to claim 1, wherein a second cylinder (28) is arranged on the inner wall of the soaking tank (2) close to one side of the second conveying belt (3), a piston rod of the second cylinder (28) is arranged downwards, and a flexible strip (26) is arranged at the end part of the piston rod of the second cylinder (28) and used for wiping water stains on the first surface of the wood door to be sprayed.

6. The environmental-friendly electrostatic spraying device according to claim 5, wherein a flexible waterproof curtain is arranged between the flexible strip (26) and the cylinder body of the second cylinder (28), and when the second cylinder (28) pushes the flexible strip (26) to contact the surface of the wooden door, the flexible waterproof curtain closes the outlet of the infiltration tank (2) so as to prevent water vapor in the infiltration tank (2) from overflowing through the outlet of the infiltration tank (2) in a large amount to influence the detection precision of the wood moisture detector (24).

7. An environmental electrostatic spraying apparatus according to claim 1, wherein transparent covers are provided between the wetting tank (2) and the spraying tank (4), and between the spraying tank (4) and the drying tank (6), to prevent the coating powder from overflowing from the inlet and outlet of the spraying tank (4).

8. An environment-friendly electrostatic spraying process is characterized by comprising the following steps:

s4, drying and curing the first surface of the wooden door;

and S6, removing the wing plates.

9. The environmental protection electrostatic spraying process of claim 8, wherein in step S1, the wing plate is firmly attached to the side edge of the wood door to be sprayed by gluing; in step S6, the wing plates are removed by glue removal, and gluing marks are cleaned.

10. The environment-friendly electrostatic spraying process of claim 8, further comprising, after the step S2, wiping off water stains on the first surface of the wood door to be sprayed.