Double-layer spraying assembly line
By designing a double-layer spraying production line, the problems of insufficient paint film density and poor color retention in single-layer spraying are solved. The double-layer spraying production line improves the density and durability of the workpiece, enhances color retention, and avoids the color difference problem of single-layer spraying.
Patent Information
- Application Number
- CN202422954873.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-02
AI Technical Summary
Single-layer spraying results in a low degree of cross-linking, leading to an insufficiently dense film that affects the coating's durability and protective performance. Color retention is also poor; the color fades or becomes lighter after the light is turned on, and may even become distorted.
The double-layer spraying production line includes a spray booth, conveyor line, clamping components, spray pipes, and air outlet plates. The workpiece is transported by the conveyor line for double-sided spraying and drying. The position of the spray pipes and air outlet plates is adjusted by the drive motor to achieve double-layer spraying of the workpiece.
It improves the spraying effect, enhances the density and durability of the paint film, improves color retention, and avoids the color difference problem of single-layer spraying.
Smart Images
Figure CN223628858U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to double -layer spraying technical field, concretely is a double -layer spraying assembly line. BACKGROUND
[0002] Spraying is a coating method that disperses into uniform and fine mist droplets by means of pressure or centrifugal force through a spray gun or disc atomizer, and is applied to the surface of the coated object. It can be divided into air spraying, airless spraying, electrostatic spraying and various derived ways of the above basic spraying forms, such as high-flow low-pressure atomizing spraying, thermal spraying, automatic spraying, multi-group spraying, etc. The commonly used spraying method adopts a single-layer spraying method.
[0003] However, the cross-linking degree of the single-layer spraying method is not high, the formed paint film is not dense enough, the final film forming quality is poor, which will affect the durability and protection performance of the coating. In addition, the color retention effect of single-layer spraying is poor, the color will become light and shallow after turning on the light, and even distorted. SUMMARY
[0004] In view of the deficiencies of the prior art, the utility model provides a double -layer spraying assembly line, solves the problem that the cross -linking degree of single -layer spraying method is not high, the paint film formed is not dense enough, the final film forming quality is poor, which will affect the durability and protection performance of the coating. In addition, the color retention effect of single-layer spraying is poor, the color will become light and shallow after turning on the light, and even distorted.
[0005] The utility model provides following technical scheme: a double -layer spraying assembly line, including spraying room, both sides wall of spraying room are fixedly connected with mounting frame, two mounting frames all are provided with conveying line body, the upper surface of two conveying line bodies all is fixedly connected with fixed block, the side surface of each fixed block all is fixedly connected with clamping assembly, both sides of spraying room all are fixedly connected with a group of fixed plate, one group of fixed plate is rotatably connected with bidirectional screw rod between, the surface of bidirectional screw rod is screwed and is connected with two screw rod sleeves, one end of two screw rod sleeves all extends to the inside of spraying room and is fixedly connected with connecting frame respectively, the opposite side surface of two connecting frames all is fixedly connected with air outlet plate, the opposite side surface of two air outlet plates all is connected with a plurality of wind head, the opposite side surface of two connecting racks all is fixedly connected with a group of spraying pipe, the surface of two groups of spraying pipes all is connected with a plurality of spraying head, the side surface of spraying room is fixedly installed with two coating boxes, the surface of two coating boxes all is installed with pumping pump, and the discharge end of two pumping pumps is connected with the discharge pipe between two groups of spraying pipes.
[0006] Preferably, one of the fixed plates is provided with a driving motor, the output end of the driving motor is fixedly connected with the top end of the double-way screw rod, the two sides of the spraying house are provided with a group of movable grooves, and the two screw rod sleeves and the two limiting sleeves are movable in the corresponding movable grooves.
[0007] The scheme is convenient for limiting the movement of the connecting frame, and the connecting frame can move up and down better.
[0008] Preferably, one of the fixed plates is provided with a driving motor, the output end of the driving motor is fixedly connected with the top end of the double-way screw rod, the two sides of the spraying house are provided with a group of movable grooves, and the two screw rod sleeves and the two limiting sleeves are movable in the corresponding movable grooves.
[0009] The scheme can automatically drive the air outlet plate and the spraying pipe to ascend and descend through the rotation of the driving motor.
[0010] Preferably, the clamping assembly comprises a fixed frame fixedly connected to the side surface of the fixed block, a threaded hole is formed in the top end of the fixed frame, a threaded rod is threadedly sleeved in the threaded hole, a clamping plate is rotatably connected to the bottom end of the threaded rod, a limiting hole is formed in the upper surface of the fixed frame, a vertical rod is slidably sleeved in the limiting hole, and the vertical rod is fixedly connected with the clamping plate.
[0011] The scheme is convenient for clamping and fixing the workpiece, and avoids shaking during spraying.
[0012] Preferably, the side surface of the spraying house is fixedly provided with a hot air blower, and the air outlet end of the hot air blower is in communication with the air outlet pipe between the two air outlet plates.
[0013] The scheme is convenient for drying the workpiece sprayed for the first time and facilitates the second spraying.
[0014] Preferably, the air outlet pipe and the discharge pipe are both corrugated pipes that can be extended and shortened.
[0015] The scheme can be convenient for spraying and drying the workpiece.
[0016] Compared with the prior art, the double-layer spraying assembly line has the following beneficial effects: when in use, the workpiece to be sprayed is placed in the fixed frame of the clamping assembly on the two conveying line bodies, then the clamping plate is driven to move downwards by rotating the threaded rod, so that the clamping plate tightly fixes the workpiece, then the workpiece is conveyed to between the first group of spraying pipes through the conveying line body, the double surfaces of the workpiece are sprayed through the spraying pipes and the spraying heads, the workpiece after primary spraying continues to move to between the two air outlet plates, then the upper and lower surfaces of the workpiece are dried through the air outlet plates and the air outlet heads, the workpiece after drying continues to move to between the second group of spraying pipes to be sprayed for the second time, the workpiece can be sprayed in double layers, the spraying effect is better, and meanwhile, the rotation of the driving motor can drive the bidirectional screw rod to rotate, so as to drive the two screw rod sleeves and the two connecting frames to move towards each other or away from each other, so that the distance between the air outlet plates and the spraying pipes and the workpiece can be adjusted, and the use is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a front structure schematic view of the utility model;
[0018] Figure 2 It is a back structure schematic view of the utility model;
[0019] Figure 3 It is a spraying house internal structure section view of the utility model;
[0020] Figure 4 It is a clamping assembly structure split view of the utility model.
[0021] In the drawing: 1, spraying house; 2, mounting frame; 3, conveying line body; 4, fixed block; 5, clamping assembly; 6, fixed plate; 7, bidirectional screw rod; 8, screw rod sleeve; 9, connecting frame; 10, air outlet plate; 11, spraying pipe; 12, spraying head; 13, coating box; 14, material pumping pump; 15, discharge pipe; 16, limiting rod; 17, limiting sleeve; 18, driving motor; 19, fixed frame; 20, threaded hole; 21, threaded rod; 22, clamping plate; 23, limiting hole; 24, vertical rod; 25, hot air blower; 26, air outlet pipe. DETAILED DESCRIPTION
[0022] Please refer to Figures 1-4 ,
[0023] Embodiment one: a double-layer spraying pipeline, comprising a spraying house 1, both sides of the inside of the spraying house 1 are fixedly connected with mounting racks 2, conveying line bodies 3 are arranged on the two mounting racks 2, the upper surfaces of the two conveying line bodies 3 are fixedly connected with fixed blocks 4, the sides of each fixed block 4 are fixedly connected with clamping assemblies 5, both sides of the spraying house 1 are fixedly connected with a group of fixed plates 6, a bidirectional screw rod 7 is rotatably connected between the fixed plates 6, two screw rod sleeves 8 are threadedly sleeved on the surface of the bidirectional screw rod 7, one end of each of the two screw rod sleeves 8 extends into the inside of the spraying house 1 and is fixedly connected with a connecting rack 9, air outlet plates 10 are fixedly connected to the opposite sides of the two connecting racks 9, a plurality of air heads are connected to the opposite sides of the two air outlet plates 10, a group of spraying pipes 11 are fixedly connected to the opposite sides of the two connecting racks 9, a plurality of spraying heads 12 are connected to the surfaces of the two groups of spraying pipes 11, two paint tanks 13 are fixedly installed on one side of the spraying house 1, material extraction pumps 14 are installed on the surfaces of the two paint tanks 13, and material outlet pipes 15 are connected between the two groups of spraying pipes 11 and the material extraction pumps 14.
[0024] Embodiment two: the difference between the embodiment and embodiment one is that a limiting rod 16 is fixedly connected between the other group of fixed plates 6, two limiting sleeves 17 are slidably sleeved on the surface of the limiting rod 16, one end of each of the two limiting sleeves 17 extends into the inside of the spraying house 1 and is fixedly connected with the connecting rack 9, so that the movement of the connecting rack 9 is limited, and the connecting rack 9 moves up and down better.
[0025] Embodiment three: the difference between the embodiment and embodiment one is that a driving motor 18 is fixedly connected to the upper surface of one of the fixed plates 6, the output end of the driving motor 18 penetrates through the fixed plate 6 and is fixedly connected with the top end of the bidirectional screw rod 7, a group of movable grooves are formed in the two sides of the spraying house 1, the two screw rod sleeves 8 and the two limiting sleeves 17 can move in the corresponding movable grooves, and the driving motor 18 can automatically drive the air outlet plates 10 and the spraying pipes 11 to move up and down through rotation.
[0026] Embodiment four: the difference between the embodiment and embodiment one is that the clamping assembly 5 comprises a fixed frame 19 fixedly connected to the side of the fixed block 4, a threaded hole 20 is formed in the top end of the fixed frame 19, a threaded rod 21 is threadedly sleeved in the threaded hole 20, a clamping plate 22 is rotatably connected to the bottom end of the threaded rod 21, a limiting hole 23 is formed in the upper surface of the fixed frame 19, a vertical rod 24 is slidably sleeved in the limiting hole 23, and the vertical rod 24 is fixedly connected with the clamping plate 22, so that the workpiece is clamped and fixed, and shaking in the spraying process is avoided.
[0027] Embodiment five: the difference between this embodiment and embodiment one is that the side of the spray booth 1 is fixedly provided with a hot air fan 25, and the air outlet end of the hot air fan 25 is connected with the two air outlet plates 10 through an air outlet pipe 26, so as to facilitate the drying of the workpiece after the first spraying and the second spraying.
[0028] Embodiment six: the difference between this embodiment and embodiment one is that the air outlet pipe 26 and the discharge pipe 15 are both corrugated pipes which can be extended and shortened, so as to facilitate the spraying and drying of the workpiece.
[0029] In summary, the double-layer spraying assembly line is used to place the workpiece to be sprayed in the fixed frame 19 of the clamping assembly 5 on the two conveying line bodies 3, then the clamping plate 22 is driven to move downward by rotating the threaded rod 21, so that the clamping plate 22 tightly fixes the workpiece, then the workpiece is conveyed to the first group of spraying pipes 11 through the conveying line body 3, and the double surface of the workpiece is sprayed through the spraying pipe 11 and the spraying head 12, then the workpiece after the first spraying is continuously moved between the two air outlet plates 10, and then the upper and lower surfaces of the workpiece are dried through the air outlet plate 10 and the air outlet head, then the workpiece after the drying is continuously moved between the second group of spraying pipes 11 for the second spraying, so that the workpiece can be double-layer sprayed, the spraying effect is better, and at the same time, the rotation of the driving motor 18 can drive the bidirectional screw rod 7 to rotate, so as to drive the two screw rod sleeves 8 and the two connecting frames 9 to move towards each other or away from each other, so as to adjust the distance between the air outlet plate 10 and the spraying pipe 11 and the workpiece, and facilitate the use.
Claims
1. A double-layer spraying line comprising a spraying booth (1), characterized in that: The both sides of the spraying room (1) are fixedly connected with mounting racks (2), the two mounting racks (2) are provided with conveying lines (3), the upper surfaces of the two conveying lines (3) are fixedly connected with fixed blocks (4), the sides of each fixed block (4) are fixedly connected with clamping assemblies (5), the two sides of the spraying room (1) are fixedly connected with a group of fixed plates (6), one group of fixed plates (6) are rotatably connected with bidirectional lead screws (7), the surfaces of the bidirectional lead screws (7) are threadedly sleeved with two lead screw sleeves (8), one ends of the two lead screw sleeves (8) extend into the spraying room (1) and are fixedly connected with connecting racks (9) respectively, the opposite sides of the two connecting racks (9) are fixedly connected with air outlet plates (10), the opposite sides of the two air outlet plates (10) are connected with a plurality of air heads, the opposite sides of the two connecting racks (9) are fixedly connected with a group of spraying pipes (11), the surfaces of the two groups of spraying pipes (11) are connected with a plurality of spraying heads (12), one side of the spraying room (1) is fixedly connected with two paint tanks (13), the surfaces of the two paint tanks (13) are fixedly connected with material pumping pumps (14), the material outlet ends of the two material pumping pumps (14) are connected with material outlet pipes (15).
2. A twin spray line according to claim 1, characterized in that: The other group of fixed plates (6) are fixedly connected with limiting rods (16), the surfaces of the limiting rods (16) are slidably sleeved with two limiting sleeves (17), one ends of the two limiting sleeves (17) extend into the spraying room (1) and are fixedly connected with the connecting racks (9).
3. A twin spray line according to claim 2, wherein: The upper surface of one of the fixed plates (6) is fixedly connected with a driving motor (18), the output end of the driving motor (18) penetrates through the fixed plate (6) and is fixedly connected with the top end of the bidirectional lead screw (7), the two sides of the spraying room (1) are provided with a group of movable grooves, the two lead screw sleeves (8) and the two limiting sleeves (17) can move in the corresponding movable grooves.
4. The dual layer spray painting line according to claim 1, wherein: The clamping assembly (5) comprises a fixed frame (19) fixedly connected to the side of the fixed block (4), a threaded hole (20) is formed in the top end of the fixed frame (19), a threaded rod (21) is threadedly sleeved in the threaded hole (20), a clamping plate (22) is rotatably connected to the bottom end of the threaded rod (21), a limiting hole (23) is formed in the upper surface of the fixed frame (19), a vertical rod (24) is slidably sleeved in the limiting hole (23), and the vertical rod (24) is fixedly connected with the clamping plate (22).
5. The dual layer spray painting line according to claim 1, wherein: A hot air blower (25) is fixedly connected to the side of the spraying room (1), and an air outlet pipe (26) is connected between the air outlet end of the hot air blower (25) and the two air outlet plates (10).
6. A twin spray line according to claim 5, wherein: The air outlet pipe (26) and the material outlet pipe (15) are corrugated pipes that can be extended and shortened.