CN218013655U

CN218013655U - Spraying device with drying function

Info

Publication number: CN218013655U
Application number: CN202222264999.3U
Authority: CN
Inventors: 汪国中; 汪碧芳
Original assignee: Wuhu Ruizhao Electronic Technology Co ltd
Current assignee: Wuhu Ruizhao Electronic Technology Co ltd
Priority date: 2022-08-28
Filing date: 2022-08-28
Publication date: 2022-12-13
Anticipated expiration: 2032-08-28

Abstract

The utility model provides a spraying device with drying function, which comprises a supporting plate, wherein a processing box and a coating box are respectively and correspondingly arranged on two sides of the supporting plate, the processing box and the coating box are connected through a connecting pipe, and a pressure pump is correspondingly arranged on the connecting pipe; a rotatable rotating shaft is correspondingly arranged in the processing box, a plurality of circular plates which are distributed at equal intervals are vertically and correspondingly arranged on the rotating shaft, and a plurality of workpiece clamping mechanisms which are distributed in a circular shape are correspondingly arranged on the circular plates; a water pipe is correspondingly arranged in the processing box, and a plurality of nozzles are correspondingly arranged on the water pipe at equal intervals; the water pipe is communicated with the connecting pipe; two heating pipes are symmetrically arranged in the processing box. The utility model replaces the traditional manual painting, can spray and process a plurality of circuit boards simultaneously, and is suitable for large-scale production; and the wet circuit board can be dried in the processing box and then subjected to spraying operation, and the wet circuit board is dried again after spraying is finished, so that the operation is convenient.

Description

Spraying device with drying function

Technical Field

The utility model belongs to the technical field of the spraying is dried, concretely relates to spraying device with stoving function.

Background

Circuit boards are important electronic components, support for electronic components, and supply for wiring connections of electronic components. Under practical conditions, such as chemical, vibration, high dust, salt fog, moisture, high temperature, etc., PCBA circuit boards may suffer from corrosion, softening, deformation, mildew, etc. Enterprises generally adopt three-proofing paint to coat the surface of a circuit board to form a three-proofing protective film, so that the effects of moisture resistance, salt mist resistance and mildew resistance are achieved. The circuit board is generally cleaned before the spraying process, the circuit board is cleaned on both sides by using 99% industrial alcohol or Freon for 2-3 times, the cleaning solution is clean after the cleaning is finished, the circuit board is bright and clean, and the circuit board can not be sprayed with paint after the circuit board is completely cleaned and dried. The traditional manual painting has the problems of poor consistency, uneven thickness and the like, can cause harm to the body of a worker in the spraying process, and is not suitable for large-scale production.

Through retrieval, relevant patents of the spraying device related to the drying function have been disclosed. For example, chinese patent application No. cn201920454372.X discloses a printed circuit board protective paint spraying device, the device includes a spraying mechanism, an oil storage tank, an oil pump, a connecting pipe and a drying device, when installing and using, the spraying mechanism is fixedly mounted on a transmission mechanism through a mounting seat, the oil storage tank is fixedly disposed on a rack of the transmission mechanism, the spraying pipe is communicated with the oil pump through the connecting pipe, the drying device is fixedly mounted on the transmission mechanism and is located on one side of the spraying mechanism along a conveying direction of a conveyor belt, when a printed circuit board passes under the spraying mechanism, protective paint in the oil storage tank is conveyed to the spraying pipe through the oil pump, the protective paint in the spraying pipe is sprayed on a surface of a painting roller through a painting pipe head, when the printed circuit board passes under the painting roller, the painting roller uniformly paints the protective paint on the surface of the printed circuit board, and the painted printed circuit board enters under the drying device along with the conveyor belt to be dried. Although the device adopts the drying device, the circuit board is in a wet state after being cleaned, the circuit board cannot be directly sprayed, the circuit board in the wet state needs to be dried and then sprayed, and then the circuit board is conveyed to the drying device for drying. The operation is inconvenient and the process is complicated, so that a new spraying device is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

Purpose of the utility model

In order to solve the technical problems, the utility model provides a spraying device with drying function, which replaces the traditional manual painting, can simultaneously spray a plurality of circuit boards, effectively avoids the problems, and is suitable for large-scale production; and the wet circuit board can be dried in the processing box and then subjected to spraying operation, and the wet circuit board is dried again after spraying is finished, so that the operation is convenient.

Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does: a spraying device with a drying function comprises a supporting plate, wherein a processing box and a coating box are respectively and correspondingly arranged on two sides of the supporting plate, the processing box and the coating box are connected through a connecting pipe, and a pressure pump is correspondingly arranged on the connecting pipe; a rotatable rotating shaft is correspondingly arranged in the processing box, a plurality of circular plates which are distributed at equal intervals are vertically and correspondingly arranged on the rotating shaft, and a plurality of workpiece clamping mechanisms which are distributed in a circular shape are correspondingly arranged on the circular plates; a water pipe is correspondingly arranged in the processing box, and a plurality of nozzles are correspondingly arranged on the water pipe at equal intervals; the water pipe is communicated with the connecting pipe; two heating pipes are symmetrically arranged in the processing box.

The further improvement is that: the bottom of the supporting plate is correspondingly provided with a second motor, and the bottom end of the rotating shaft is correspondingly connected with an output shaft of the second motor.

The further improvement is that: the workpiece clamping mechanism comprises a square fixing plate, flanges extend outwards from the periphery of the square fixing plate, a penetrating second threaded column is installed on the flange at the top of the square fixing plate in a threaded mode, a second baffle is correspondingly arranged at the bottom end of the second threaded column, a penetrating first threaded column is installed on the flange on one side of the square fixing plate in a threaded mode, and a first baffle is correspondingly arranged at the end portion of the inner side of the first threaded column.

The further improvement is that: rubber pads are correspondingly arranged on the inner sides of the flanges on the periphery of the square fixing plate, and rubber pads are arranged on the inner sides of the first baffle and the second baffle.

The further improvement lies in that: the side wall of the processing box is correspondingly provided with an arc door which is hinged to rotate; and heat dissipation holes which are distributed in a circular shape are correspondingly formed in the top end of the processing box.

The further improvement is that: the coating machine is characterized in that a rotatable U-shaped plate is correspondingly arranged at the bottom of the coating box, a first motor is correspondingly arranged on the other side of the bottom of the supporting plate, a rotary column is correspondingly arranged in the middle of the bottom end of the U-shaped plate, and the bottom end of the rotary column is correspondingly connected with an output shaft of the first motor.

The further improvement lies in that: a funnel type feeding port is correspondingly arranged at the top of the coating box; two discharge pipes are correspondingly arranged at the bottom of the supporting plate, and control valves are correspondingly arranged on the discharge pipes; bases are symmetrically arranged on two sides of the bottom of the supporting plate.

Advantageous effects

The technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

the heating pipe is arranged, and is connected with an external power supply to enable the heating pipe to work, so that the temperature in the whole processing box is raised, the water on the cleaned circuit board is evaporated to be dried, and then the spraying operation is carried out, and meanwhile, the sprayed circuit board can be heated to be dried for subsequent processing; on the other hand, the plurality of square fixing plates are correspondingly arranged on the circular plate, and the threaded columns are matched with the baffle plate for use, so that the circuit boards of the circuit boards are conveniently and fixedly arranged on the circular plate respectively; the plurality of rotatable circular plates are arranged, so that the drying-spraying-drying operation can be simultaneously carried out on a plurality of circuit boards, manual painting is replaced, and the efficiency and the quality of the circuit boards are improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the spraying device of the present invention;

FIG. 2 is a schematic cross-sectional view of the processing box of the present invention;

FIG. 3 is a schematic top view of the processing box of the present invention;

fig. 4 is a schematic sectional structural view of the coating tank of the present invention;

fig. 5 is a schematic structural view of the workpiece clamping mechanism of the present invention.

Reference numerals

1. A processing box; 2. a paint tank; 3. a support plate; 4. a feeding port; 5. a base; 6. an arc-shaped door; 7. a connecting pipe; 8. a pressure pump; 9. a first motor; 10. a U-shaped plate; 11. a circular plate; 12. a water pipe; 13. heating a tube; 14. a square fixing plate; 15. a first threaded post; 1501. a first baffle plate; 16. a second threaded post; 1601. a second baffle; 18. a second motor; 19. a rotating shaft.

Detailed Description

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but which are provided so as to render the disclosure of the invention more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Examples

Referring to fig. 1-5, the spraying device with the drying function comprises a support plate 3, wherein two discharge pipes are correspondingly arranged at the bottom of the support plate 3, and control valves are correspondingly arranged on the discharge pipes; bases 5 are symmetrically arranged on two sides of the bottom of the supporting plate 3. The base 5 is arranged, so that the supporting plate 3 is conveniently supported; by arranging the discharge pipes and opening the control valves, residual paint in the processing tank 1 and the paint tank 2 can be discharged conveniently.

A processing box 1 and a coating box 2 are correspondingly arranged on two sides of the supporting plate 3 respectively, the processing box 1 is connected with the coating box 2 through a connecting pipe 7, and a pressure pump 8 is correspondingly arranged on the connecting pipe 7; a water pipe 12 is correspondingly arranged in the processing box 1, and a plurality of nozzles are correspondingly arranged on the water pipe 12 at equal intervals; the water pipe 12 is communicated with the connecting pipe 7; two heating pipes 13 are symmetrically arranged in the processing box 1. The waterproof covers are arranged outside the two heating pipes 13, and the heating pipes 13 are connected with an external power supply to enable the heating pipes 13 to work, so that the temperature in the whole processing box 1 is raised, and water on the cleaned circuit board is evaporated; after the circuit board is primarily dried, under the action of a pressure pump 8, the coating in the coating box 2 is conveyed to a water pipe 12 through a connecting pipe 7 and sprayed out through a nozzle, and the circuit board is sprayed; after the spraying operation is finished, the pressure pump 8 is closed, and the external power supply is connected again to enable the heating pipe 13 to work so as to enable the temperature in the whole processing box 1 to rise, and the coating on the circuit board is dried. In addition, the nozzle is in the shape of a horn shower head, and the spraying area of the circuit board is increased.

The processing box is characterized in that a rotatable rotating shaft 19 is correspondingly arranged in the processing box 1, a plurality of circular plates 11 which are distributed at equal intervals are vertically and correspondingly arranged on the rotating shaft 19, and a plurality of workpiece clamping mechanisms which are distributed in a circular shape are correspondingly arranged on the circular plates 11. The rotating shaft 19 is vertically provided with a plurality of circular plates 11 which are distributed at equal intervals, and the circuit board is dried, sprayed and dried in a layered mode, so that the effect is improved; the circular plate 11 is provided with a plurality of circularly distributed workpiece clamping mechanisms, so that the number of circuit boards on each layer is increased, and the efficiency is improved. The bottom of the supporting plate 3 is correspondingly provided with a second motor 18, and the bottom end of the rotating shaft 19 is correspondingly connected with an output shaft of the second motor 18. The second motor 18 is started to drive the rotating shaft 19 to rotate, so that the circular plate 11 and the workpiece clamping mechanism on the circular plate 11 are driven to rotate, and the circuit board is uniformly and efficiently dried, sprayed and dried.

The workpiece clamping mechanism comprises a square fixing plate 14, flanges extend outwards from the periphery of the square fixing plate 14, a penetrating second threaded column 16 is installed on the flange at the top of the square fixing plate 14 in a threaded mode, a second baffle 1601 is correspondingly arranged at the bottom end of the second threaded column 16, a penetrating first threaded column 15 is installed on the flange on one side of the second threaded column in a threaded mode, and a first baffle 1501 is correspondingly arranged at the end of the inner side of the first threaded column 15; rubber pads are correspondingly arranged on the inner sides of the ribs on the periphery of the square fixing plate 14, and rubber pads are arranged on the inner sides of the first baffle 1501 and the second baffle 1601. Nuts are correspondingly arranged at the tops of the first threaded column 15 and the second threaded column 16, so that workers can conveniently rotate and operate the first threaded column 15, the first baffle 1501 is driven to move leftwards by screwing in the first threaded column 15, and the second baffle 1601 is driven to move downwards by screwing in the second threaded column 16, so that a circuit board is clamped; the first baffle 1501 is driven to move rightwards by screwing out the first threaded column 15 reversely, and the second baffle 1601 is driven to move upwards by screwing out the second threaded column 16, so that the circuit board is loosened. Through all being equipped with the rubber pad inboard at flange and first baffle 1501 and second baffle 1601 inboard, press from both sides tightly and pivoted in-process, play the cushioning effect to the circuit board, make the difficult quilt of circuit board damaged.

The side wall of the processing box 1 is correspondingly provided with an arc door 6 which is hinged and rotated; the top end of the processing box 1 is correspondingly provided with heat dissipation holes which are distributed in a circular shape. The arc door 6 is correspondingly provided with a magnetic suction strip, the side wall of the processing box 1 is also provided with a magnetic suction strip at a corresponding position, the arc door 6 is opened, the circuit board is clamped and fixed, the arc door 6 is closed, and the circuit board is dried, sprayed and dried. Through setting up the heating hole, when carrying out the drying to the circuit board, avoid in the processing case 1 because the temperature risees and lead to the pressure increase to cause danger.

A rotatable U-shaped plate 10 is correspondingly arranged at the bottom of the coating box 2, a first motor 9 is correspondingly arranged at the other side of the bottom of the supporting plate 3, a rotating column is correspondingly arranged in the middle of the bottom end of the U-shaped plate 10, and the bottom end of the rotating column is correspondingly connected with an output shaft of the first motor 9; the top of the coating box 2 is correspondingly provided with a funnel type feeding port 4. Starting a first motor 9 to drive a rotary column to rotate, thereby driving a U-shaped plate 10 to rotate in the coating box 2, scraping off the coating on the inner wall of the coating box 2 to prevent the coating from being solidified on the inner wall; the feeding port 4 is arranged in a funnel shape, so that the material pouring is convenient.

The working principle is as follows: the device is suitable for single-side spraying operation of the circuit board. Opening the arc-shaped door 6, closing control valves on the two discharge pipes, placing the cleaned circuit board on a square fixing plate 14, driving a first baffle plate 1501 and a second baffle plate 1601 to move by screwing in a first threaded column 15 and a second threaded column 16, thereby clamping the circuit board, connecting an external power supply to enable a heating pipe 13 to work after the arc-shaped door 6 is closed, enabling the temperature in the whole processing box 1 to rise, evaporating moisture on the cleaned circuit board, starting a first motor 9 after the circuit board is primarily dried, driving a U-shaped plate 10 to rotate in a coating box 2, simultaneously disconnecting the power supply of the heating pipe 13, conveying the coating in the coating box 2 to a water pipe 12 through a connecting pipe 7 under the action of a pressure pump 8, spraying out the coating through a nozzle, and spraying the circuit board; after the spraying operation is finished, the pressure pump 8 is closed, and the external power supply is connected again to enable the heating pipe 13 to work so as to enable the temperature in the whole processing box 1 to rise, and the coating on the circuit board is dried. When the device is used for spraying the circuit board, the circuit board can be dried simultaneously in the spraying process, and the working efficiency is improved better. After the operation is finished, water is added into the paint tank 2 to stir, the interior of the paint tank 2 is cleaned, the water is conveyed from the paint tank 2 to the water pipe 12 through the connecting pipe 7 under the action of the pressure pump 8 and is sprayed out through the horn-shaped nozzle, the interior of the whole processing tank 1 is cleaned, the control valves on the two discharging pipes are opened, the cleaned waste water and waste residues are discharged from the two discharging pipes, and after the cleaning is finished, the device is convenient to use next time.

The above-mentioned embodiments only express a certain implementation manner of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention; therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a spraying device with stoving function, includes backup pad (3), its characterized in that: a processing box (1) and a coating box (2) are correspondingly arranged on two sides of the supporting plate (3) respectively, the processing box (1) and the coating box (2) are connected through a connecting pipe (7), and a pressure pump (8) is correspondingly installed on the connecting pipe (7); a rotatable rotating shaft (19) is correspondingly arranged in the processing box (1), a plurality of circular plates (11) which are distributed at equal intervals are vertically and correspondingly arranged on the rotating shaft (19), and a plurality of workpiece clamping mechanisms which are distributed circularly are correspondingly arranged on the circular plates (11); a water pipe (12) is correspondingly arranged in the processing box (1), and a plurality of nozzles are correspondingly arranged on the water pipe (12) at equal intervals; the water pipe (12) is communicated with the connecting pipe (7); two heating pipes (13) are symmetrically arranged in the processing box (1).

2. The spraying device with the drying function according to claim 1, characterized in that: the bottom of the supporting plate (3) is correspondingly provided with a second motor (18), and the bottom end of the rotating shaft (19) is correspondingly connected with an output shaft of the second motor (18).

3. The spraying device with the drying function according to claim 2, characterized in that: workpiece clamping mechanism includes square fixed plate (14), the outside extension all around of square fixed plate (14) has the flange, and second screw thread post (16) that run through are installed to the screw thread on the flange at its top, second screw thread post (16) bottom correspondence is equipped with second baffle (1601), and first screw thread post (15) that run through are installed to the screw thread on the flange of its one side, first screw thread post (15) medial extremity correspondence is equipped with first baffle (1501).

4. The spraying device with the drying function according to claim 3, characterized in that: the inner sides of the flanges on the periphery of the square fixing plate (14) are correspondingly provided with rubber pads, and the inner sides of the first baffle plate (1501) and the second baffle plate (1601) are provided with rubber pads.

5. The spraying device with the drying function according to claim 4, characterized in that: the side wall of the processing box (1) is correspondingly provided with an arc door (6) which is hinged and rotated; the top end of the processing box (1) is correspondingly provided with heat dissipation holes which are distributed in a circular shape.

6. The spraying device with the drying function according to claim 5, characterized in that: scribble workbin (2) bottom correspondence and be equipped with rotatable U template (10), backup pad (3) bottom opposite side correspondence is equipped with first motor (9), U template (10) bottom middle part correspondence is equipped with the column spinner, the column spinner bottom corresponds with the output shaft of first motor (9) and links to each other.

7. The spraying device with drying function according to any one of claims 1 to 6, characterized in that: the top of the paint box (2) is correspondingly provided with a funnel type feeding port (4); two discharge pipes are correspondingly arranged at the bottom of the supporting plate (3), and control valves are correspondingly arranged on the discharge pipes; bases (5) are symmetrically arranged on two sides of the bottom of the supporting plate (3).