Linear circuit board surface coating device

Abstract

The utility model discloses a linear circuit board surface coating device which comprises a support, a PVC conveying belt and a roller conveying belt are arranged above the support, the PVC conveying belt is located on the left side of the roller conveying belt, a top frame is arranged above the right side of the support, and a coating machine nozzle is installed at the top of the top frame; the roller conveying belt comprises a fixed roller and a movable roller, the movable roller is arranged in the middle of the fixed roller, a spring is connected to the outer side of the movable roller, and an extrusion column is connected to the outer side of the middle of the movable roller; and the spraying machine body is arranged on the rear side of the middle of the support, and the spraying machine body is electrically connected with the pressure switch. According to the linear circuit board surface coating device, a circuit board can be linearly conveyed and coated, assembly line is facilitated, spraying machine nozzles are arranged on the top frame at equal intervals, comprehensive spraying of the circuit board is facilitated, and the spraying time is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to a linear circuit board surface coating device. Background Art

[0002] A circuit board is a printed circuit board with conductive lines distributed on it. If these lines are exposed to the outside world, they are very susceptible to corrosion and damage from the external environment. Therefore, the surface of the circuit board needs to be coated for protection. Depending on the use of the circuit board, the number of coating layers is slightly different.

[0003] Most of the existing circuit board surface coating devices, when spraying, fully spray the circuit board by driving the nozzle to move, which results in prolonged spraying time and inconvenience for assembly line operation. Therefore, we propose a linear circuit board surface coating device to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a linear circuit board surface coating device to solve the problem that the current circuit board surface coating device proposed in the above background technology, when spraying, mostly drives the nozzle to move to spray the circuit board comprehensively, resulting in prolonged spraying time and inconvenience of assembly line operation.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a linear circuit board surface coating device, comprising:

[0006] A bracket, a PVC conveyor belt and a roller conveyor belt are arranged above the bracket, and the PVC conveyor belt is located on the left side of the roller conveyor belt, and a guide plate is arranged above the PVC conveyor belt, a top frame is arranged above the right side of the bracket, and a sprayer nozzle is installed on the top of the top frame, and a hot dryer is arranged on the right side of the sprayer nozzle;

[0007] A roller conveyor belt, wherein the roller conveyor belt comprises a fixed roller and a movable roller, wherein the movable roller is arranged in the middle of the fixed roller, a spring is connected to the outer side of the movable roller, and an extrusion column is connected to the outer side of the middle of the movable roller;

[0008] The sprayer body is arranged at the rear side of the middle part of the bracket, and the sprayer body is electrically connected to the pressure switch, and the sprayer body is connected to the input end of the sprayer nozzle through a pipeline.

[0009] Preferably, the guide plate is symmetrically arranged above the PVC conveyor belt, and the left end of the PVC conveyor belt is in an inclined structure.

[0010] Preferably, a slot is provided in the middle of the fixed roller and the movable roller, and the bottom of the slot of the fixed roller and the movable roller is arranged flush with the top of the PVC conveyor belt.

[0011] Preferably, the fixed roller and the movable roller are both symmetrically arranged on both sides of the bracket, and the spacing between the movable roller monomers is smaller than the spacing between the fixed roller monomers.

[0012] Preferably, the movable roller and the bracket form a sliding structure, and the extrusion column on the movable roller is arranged corresponding to the pressure switch.

[0013] Preferably, spray heads are arranged at equal intervals on the top frame.

[0014] Preferably, a protective cover is provided on the outside of the top frame, and an observation window is provided on the front side of the protective cover.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the linear circuit board surface coating device can transmit and coat the circuit board in a straight line, which is convenient for the assembly line, and the spraying machine nozzles are arranged on the top frame at equal intervals, which is convenient for comprehensive spraying of the circuit board and saves spraying time;

[0016] 1. PVC conveyor belt and roller conveyor belt are set up. The PVC conveyor belt and roller conveyor belt are set in a straight line, which is convenient for the straight-line transmission of circuit boards. At the same time, the guide plate on the PVC conveyor belt facilitates the positioning of the circuit board and facilitates the circuit board to enter the card slot of the roller conveyor belt, which is convenient for the assembly line;

[0017] 2. A movable roller and a pressure switch are provided. The movable roller and the bracket form a sliding structure, which facilitates the movable roller to drive the extrusion column to move and squeeze the pressure switch, so that the operation and stop of the spray machine body can be controlled through the pressure switch, which is convenient for saving paint;

[0018] 3. A top frame and a sprayer nozzle are set, and the sprayer nozzles are arranged at equal intervals on the top frame, which is convenient for the sprayer nozzle to spray the circuit board comprehensively and save spraying time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0021] Figure 3 It is a schematic diagram of the cutaway structure of the utility model from above.

[0022] In the figure: 1. bracket; 2. PVC conveyor belt; 3. guide plate; 4. roller conveyor belt; 401. fixed roller; 402. movable roller; 403. spring; 404. extrusion column; 5. top frame; 6. sprayer body; 7. sprayer nozzle; 8. pressure switch; 9. hot dryer; 10. protective cover; 11. observation window. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3 The utility model provides a technical solution: a linear circuit board surface coating device, comprising: a bracket 1, a PVC conveyor belt 2, a guide plate 3, a roller conveyor belt 4, a top frame 5, a sprayer body 6, a sprayer nozzle 7, a pressure switch 8, a heat dryer 9, a protective cover 10 and an observation window 11;

[0025] A bracket 1, a PVC conveyor belt 2 and a roller conveyor belt 4 are arranged above the bracket 1, and the PVC conveyor belt 2 is located on the left side of the roller conveyor belt 4, and a guide plate 3 is arranged above the PVC conveyor belt 2, a top frame 5 is arranged above the right side of the bracket 1, and a sprayer nozzle 7 is installed on the top of the top frame 5, and a hot dryer 9 is arranged on the right side of the sprayer nozzle 7;

[0026] The roller conveyor belt 4 includes a fixed roller 401 and a movable roller 402, wherein the movable roller 402 is arranged in the middle of the fixed roller 401, a spring 403 is connected to the outer side of the movable roller 402, and a squeezing column 404 is connected to the outer side of the middle of the movable roller 402;

[0027] The sprayer body 6 is arranged at the middle rear side of the bracket 1, and the sprayer body 6 is electrically connected to the pressure switch 8, and the sprayer body 6 is connected to the input end of the sprayer nozzle 7 through a pipeline.

[0028] like Figure 1 and Figure 3 The middle guide plate 3 is symmetrically arranged above the PVC conveyor belt 2, and the left end of the PVC conveyor belt 2 is inclined, which is convenient for positioning and conveying the circuit board on the PVC conveyor belt 2. A card slot is opened in the middle of the fixed roller 401 and the movable roller 402, and the bottom of the card slot of the fixed roller 401 and the movable roller 402 is arranged flush with the top of the PVC conveyor belt 2, which is convenient for the circuit board to flow from the PVC conveyor belt 2 to the roller conveyor belt 4.

[0029] like Figure 1 and Figure 2The fixed roller 401 and the movable roller 402 are symmetrically arranged on both sides of the bracket 1, and the spacing between the movable rollers 402 is smaller than the spacing between the fixed rollers 401, which is convenient for the circuit board to squeeze the movable roller 402. The movable roller 402 and the bracket 1 form a sliding structure, and the extrusion column 404 on the movable roller 402 is corresponding to the pressure switch 8, which is convenient for controlling the start of the sprayer body 6. Sprayer nozzles 7 are arranged at equal intervals on the top frame 5, which is convenient for comprehensive spraying of the circuit board. A protective cover 10 is arranged on the outside of the top frame 5, and an observation window 11 is arranged on the front side of the protective cover 10, which is convenient for dust protection and observation.

[0030] Working principle: When using this linear circuit board surface coating device, Figure 1 As shown, the circuit board is placed on the PVC conveyor belt 2. The circuit board is stably conveyed by the guide plate 3 and contacts the card slot on the roller conveyor belt 4, so that the circuit board is conveyed by the roller conveyor belt 4.

[0031] When the circuit board is conveyed on the roller conveyor 4, Figure 3 As shown, the active roller 402 on the circuit board extrusion roller conveyor 4 makes the active roller 402 slide on the bracket 1 and squeeze the pressure switch 8 through the squeezing column 404, so that the pressure switch 8 transmits an electrical signal to the sprayer body 6, so that the sprayer body 6 operates and sprays the paint from the sprayer nozzle 7. The sprayer nozzle 7 is arranged on the top frame 5 at equal intervals to facilitate the comprehensive spraying of the circuit board surface. The sprayed circuit board is dried by the hot dryer 9. After the circuit board is separated from the active roller 402, the active roller 402 is reset under the action of the spring 403, and the pressure switch 8 is no longer squeezed, so that the sprayer body 6 stops working, which is convenient for saving paint. This is the entire working process of the linear circuit board surface coating device. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0032] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt the conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A linear circuit board surface coating device, characterized in that: include: A bracket (1), wherein a PVC conveyor belt (2) and a roller conveyor belt (4) are arranged above the bracket (1), and the PVC conveyor belt (2) is located on the left side of the roller conveyor belt (4), and a guide plate (3) is arranged above the PVC conveyor belt (2), and a top frame (5) is arranged above the right side of the bracket (1), and a sprayer nozzle (7) is installed on the top of the top frame (5), and a hot dryer (9) is arranged on the right side of the sprayer nozzle (7); A roller conveyor belt (4), the roller conveyor belt (4) comprising a fixed roller (401) and a movable roller (402), wherein the movable roller (402) is arranged in the middle of the fixed roller (401), a spring (403) is connected to the outer side of the movable roller (402), and a squeezing column (404) is connected to the outer side of the middle of the movable roller (402); The sprayer body (6) is arranged at the rear side of the middle part of the bracket (1), and the sprayer body (6) is electrically connected to the pressure switch (8), and the sprayer body (6) is connected to the input end of the sprayer nozzle (7) through a pipeline.

2. A linear circuit board surface coating device according to claim 1, characterized in that: The guide plate (3) is symmetrically arranged front and rearward above the PVC conveyor belt (2), and the left end of the PVC conveyor belt (2) is in an inclined structure.

3. A linear circuit board surface coating device according to claim 1, characterized in that: A slot is provided in the middle of the fixed roller (401) and the movable roller (402), and the bottom of the slot of the fixed roller (401) and the movable roller (402) are arranged flush with the top of the PVC conveyor belt (2).

4. A linear circuit board surface coating device according to claim 1, characterized in that: The fixed roller (401) and the movable roller (402) are both symmetrically arranged on both sides of the bracket (1) in a front-to-back manner, and the spacing between the movable roller (402) units is smaller than the spacing between the fixed roller (401) units.

5. The linear circuit board surface coating device according to claim 1, characterized in that: The movable roller (402) and the bracket (1) form a sliding structure, and the extrusion column (404) on the movable roller (402) and the pressure switch (8) are arranged correspondingly.

6. A linear circuit board surface coating device according to claim 1, characterized in that: Spray machine nozzles (7) are arranged at equal intervals on the top frame (5).

7. A linear circuit board surface coating device according to claim 1, characterized in that: A protective cover (10) is arranged outside the top frame (5), and an observation window (11) is arranged on the front side of the protective cover (10).

Images