Filling device for coating preparation

Abstract

The utility model relates to the technical field of coating equipment, in particular to a filling device for coating preparation. Comprising a workbench, a portal frame, a stirring tank, a material preparation tank, a cleaning mechanism and a feeding mechanism, the portal frame is arranged at the top of the workbench, a partition plate is arranged in the middle of the portal frame, the stirring tank is arranged at the top of the workbench, and a through hole is formed in the top of the stirring tank; the preparation tank is arranged at the top of the portal frame, a feeding port and an electromagnetic coil are arranged on the outer wall of the preparation tank, and a discharging port is formed in the bottom of the preparation tank; the cleaning mechanism is arranged at the top of the portal frame, and a rotating nozzle is arranged at the output end of the cleaning mechanism and arranged in the material preparation tank; the feeding mechanism is arranged on the partition plate and comprises a metering barrel, the metering barrel is located below the discharging port, a cover plate is arranged at the bottom of the metering barrel, and a drainage pipe is further arranged on one side of the metering barrel. Through mutual cooperation of the cleaning mechanism and the electromagnetic coil, the problems that the interior of the material preparation tank is difficult to clean and quick drying cannot be achieved after cleaning are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of coating equipment, in particular to a filling device for coating preparation. Background Art

[0002] Fillers are a type of fine granular material that is used to fill a medium. They are insoluble in the dispersion medium and have two main functions in coatings: one is filling to reduce costs; the other is to change the physical and chemical properties of the coating or paint by adding fillers. During the transportation and storage of the coating, it takes a long time before it reaches the user, where it must be disassembled, stirred and mixed for use. Today, most fillers are added by operators based on their experience, with manual stirring, inaccurate metering, and is time-consuming and labor-intensive.

[0003] The currently disclosed Chinese patent CN212819243U is a coating filler adding device, including a stirring barrel, a stirring paddle and a stirring motor installed on one side of the stirring barrel, a filling barrel is installed on the other side of the top of the stirring barrel, the filling barrel includes a barrel body, a metering bin and a stepping motor, a funnel-shaped storage bin is provided on the upper part of the barrel body, the lower side of the storage bin is connected to the metering bin, and an annular groove is provided between them, a first partition is provided at the outlet of the storage bin, a second partition is provided at the outlet of the metering bin, and a channel is provided on the lower side of the metering bin that is obliquely embedded in the stirring barrel. The utility model divides the filling barrel into a storage bin and a metering bin, controls the opening and closing of the metering bin inlet and outlet by the first and second partitions, completes the quality control of the filling, and indirectly controls the quality of the filling by volume, and automatically stirs the filling and coating with the help of a stirring paddle, reducing the labor intensity of human labor.

[0004] According to the above patent, the patent controls the quality of the filler through the cooperation of a stepper motor, a metering bin, a first partition and a second partition, but there is only one storage bin. When the material needs to be replaced, the storage bin cannot be cleaned quickly, which increases the labor intensity. Utility Model Content

[0005] Based on this, it is necessary to provide a filling device for paint preparation in response to the existing technical problems. Through the cooperation between the cleaning mechanism and the electromagnetic coil, the cleaning mechanism solves the problem that the inside of the preparation tank is difficult to clean when changing the preparation tank. The electromagnetic coil quickly dries the water inside the preparation tank after cleaning, so that the preparation tank can carry out the next work faster, thereby improving work efficiency.

[0006] In order to solve the problems of the prior art, the utility model provides a filling device for coating preparation, comprising a workbench, a gantry, a stirring tank, a material preparation tank, a cleaning mechanism and a feeding mechanism;

[0007] The gantry is horizontally set on the top of the workbench, a partition is horizontally set in the middle of the gantry, and a perforated

[0008] The stirring tank is vertically arranged on the top of the workbench, and the top of the stirring tank is provided with a through hole for the prepared materials in the preparation tank to flow into the stirring tank;

[0009] The material preparation tank is vertically arranged on one side of the mixing tank at the top of the gantry, and a feed port for feeding materials into the material preparation tank is arranged obliquely on the outer wall of the material preparation tank, and a discharge port is arranged at the bottom center of the material preparation tank, and the discharge port is inserted into the through hole at the top of the gantry, and the outer wall of the material preparation tank is provided with an electromagnetic coil;

[0010] The cleaning mechanism is arranged on one side of the material preparation tank at the top of the gantry, and a rotating nozzle which can rotate 360 ​​degrees is arranged at the output end of the cleaning mechanism, and the rotating nozzle is arranged at the upper center of the material preparation tank;

[0011] The feeding mechanism is arranged on the partition in the middle of the gantry. The feeding mechanism includes a metering barrel that can move reciprocatingly horizontally. The top of the metering barrel is located directly below the discharge port of the preparation tank. The bottom of the metering barrel is provided with an openable and closable cover, and a drainage pipe is also provided on one side of the metering barrel.

[0012] Preferably, the cleaning mechanism further comprises a water pump and a first water pipe;

[0013] The water pump is horizontally arranged on one side of the material preparation tank on the top of the gantry, and a flange is arranged at the output end of the water pump;

[0014] The first water pipe is arranged at the output end of the water pump, one end of the first water pipe is connected to the output end flange of the water pump, and the other end of the first water pipe is connected to the rotating nozzle in the material preparation tank.

[0015] Preferably, the rotary spray head comprises a hollow tube, a connecting portion, a second water pipe and a nozzle;

[0016] The hollow tube is vertically arranged inside the material preparation tank, and a rotating joint is arranged at one end of the hollow tube, one end of the rotating joint is fixedly connected to the first water pipe, and the other end of the rotating joint is rotatably connected to the hollow tube;

[0017] The connecting part is horizontally arranged at the lower end of the hollow tube, the interior of the connecting part is a hollow structure, a through hole consistent with the inner diameter of the bottom of the hollow tube is arranged at the center of the top of the connecting part, the connecting part is fixedly connected to the hollow tube, and a plurality of through holes are evenly distributed on the outer wall of the connecting part;

[0018] The second water pipe is arc-shaped, and is arranged perpendicular to the axial direction of the hollow pipe. One end of the second water pipe is inserted into the through hole of the connecting part, and the other end of the second water pipe is provided with a nozzle. The second water pipe is arranged one-to-one with the through hole on the outer wall of the connecting part.

[0019] The nozzle is vertically arranged on one side of the second water pipe, and the nozzle is threadedly connected to an end of the second water pipe away from the connecting portion.

[0020] Preferably, the feeding mechanism further comprises a motor, a first slide rail, a second slide rail and a screw rod;

[0021] The motor is horizontally arranged on the top of the partition, and the motor rotation shaft faces the first slide rail;

[0022] The first slide rail is horizontally arranged on one side of the inner partition of the gantry and is fixedly connected to the gantry. A first sliding block is arranged on the top of the first slide rail. Limiting blocks are arranged at both ends of the first slide rail, and one end of the limiting block extends to the outside of the gantry.

[0023] The second slide rail is horizontally arranged on the opposite side of the first slide rail in the gantry, a second slider is arranged on the top of the second slide rail, a moving seat is vertically arranged on the top of the second slider and the top of the first slider, and the bottom of the moving seat is fixedly connected to the top of the first slide rail and the top of the second slide rail respectively;

[0024] The screw rod is horizontally arranged on the side of the first slide rail away from the metering barrel. The middle part of the screw rod passes through the first slider. One end of the screw rod is axially connected to the limit block. The other end of the screw rod passes through the limit block and is fixedly connected to the motor output shaft. The screw rod is threadedly connected to the first slider.

[0025] Preferably, a movable bracket is provided on the outer wall of the metering barrel, and one end of the movable bracket away from the metering barrel is fixedly connected to the movable seat, a gap is left between the top of the metering barrel and the discharge port of the preparation tank, and the bottom of the metering barrel is hinged to the cover plate.

[0026] Preferably, a connecting plate is horizontally arranged on the side of the top outer wall of the metering barrel away from the mixing tank, and a drain pipe is arranged at the other end of the connecting plate. The top inner diameter of the drain pipe is larger than the discharge port of the preparation tank, and the two ends of the connecting plate are fixedly connected to the metering barrel and the drain pipe respectively.

[0027] Preferably, a limit buckle for limiting the movement of the metering barrel is also provided on the second slide rail.

[0028] Preferably, the electromagnetic coil is spirally arranged on the outer wall battery of the preparation tank, and a horseshoe buckle is provided on the electromagnetic coil, and the horseshoe buckle is connected to the outer wall of the preparation tank.

[0029] Compared with the prior art, the present invention has the following beneficial effects:

[0030] 1. The present application solves the problem that the inside of the preparation tank is difficult to clean and cannot be dried quickly after cleaning through the mutual cooperation of the cleaning mechanism and the electromagnetic coil, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1The present invention is a front view of a packing device for coating preparation.

[0032] Figure 2 The present invention is a three-dimensional structural schematic diagram of a filler device for coating preparation.

[0033] Figure 3 The present invention is a three-dimensional cross-sectional view of a filler device for coating preparation.

[0034] Figure 4 Figure 2 A partial enlarged view of point A in the middle.

[0035] Figure 5 The present invention is a schematic diagram of a partial three-dimensional structure of a filling device for coating preparation.

[0036] The numbers in the figure are: 1-workbench; 2-gantry; 21-partition; 3-mixing tank; 4-preparation tank; 41-feeding port; 42-electromagnetic coil; 43-horseshoe buckle; 44-discharging port; 5-cleaning mechanism; 51-water pump; 52-first water pipe; 53-rotating nozzle; 531-hollow pipe; 5311-rotating joint; 532-connecting part; 533-second water pipe; 534-nozzle; 54-drain pipe; 6-feeding mechanism; 61-motor; 62-first slide rail; 621-limiting block; 622-screw rod; 623-first slider; 6231-moving seat; 63-second slide rail; 631-limiting buckle; 632-second slider; 64-metering barrel; 641-cover plate; 642-movable bracket; 65-connecting plate. DETAILED DESCRIPTION

[0037] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0038] See also Figures 1 to 5 As shown, 1. A filling device for coating preparation, comprising a workbench 1, a gantry 2, a stirring tank 3, a preparation tank 4, a cleaning mechanism 5 and a feeding mechanism 6;

[0039] The gantry 2 is horizontally arranged on the top of the workbench 1, a partition 21 is horizontally arranged in the middle of the gantry 2, and a perforated

[0040] The stirring tank 3 is vertically arranged on the top of the workbench 1, and a through hole is provided on the top of the stirring tank 3 for the prepared materials in the preparation tank 4 to flow into the stirring tank 3;

[0041] The material preparation tank 4 is vertically arranged at one side of the stirring tank 3 at the top of the gantry 2, and the outer wall of the material preparation tank 4 is inclinedly provided with a feeding port 41 for feeding materials into the material preparation tank 4, and a discharge port 44 is arranged at the bottom center of the material preparation tank 4, and the discharge port 44 is inserted into the through hole at the top of the gantry 2, and the outer wall of the material preparation tank 4 is provided with an electromagnetic coil 42;

[0042] The cleaning mechanism 5 is arranged on one side of the material preparation tank 4 at the top of the gantry 2, and a rotating nozzle 53 which can rotate 360 ​​degrees is arranged at the output end of the cleaning mechanism 5, and the rotating nozzle 53 is arranged at the upper center of the inside of the material preparation tank 4;

[0043] The feeding mechanism 6 is arranged on the partition 21 in the middle of the gantry 2. The feeding mechanism 6 includes a metering barrel 64 that can move reciprocatingly horizontally. The top of the metering barrel 64 is located directly below the discharge port 44 of the preparation tank 4. The bottom of the metering barrel 64 is provided with a cover plate 641 that can be opened and closed. A drainage pipe 54 is also provided on one side of the metering barrel 64.

[0044] When working, the feeding mechanism 6 is started, and the prepared materials are put into the preparation tank 4 from the feeding port 41, and the prepared materials inside the preparation tank 4 will flow into the metering barrel 64 from the discharge port 44 at the bottom of the preparation tank 4. One metering barrel 64 is a feeding unit. The feeding mechanism 6 drives the metering barrel 64 to move horizontally, and the metering barrel 64 brings the prepared materials inside it to the top of the mixing tank 3. When the cover plate 641 at the bottom of the metering barrel 64 is not supported by the partition plate 21, the cover plate 641 will automatically open. After the cover plate 641 is opened, The prepared materials in the metering barrel 64 will be fed into the mixing tank 3, and the mixing tank 3 will continue to stir. When the metering barrel 64 moves to the preset position, the feeding mechanism 6 reverses and pulls the metering barrel 64 back to the bottom of the discharge port 44. In the process of returning to the bottom of the discharge port 44, the metering barrel 64 passes through the special position setting of the partition 21. When the cover plate 641 passes through the partition 21, the partition 21 will close the cover plate 641, and this is repeated to achieve quantitative feeding of the mixing tank. If the preparation tank 4 needs to be replaced, When the cleaning process is finished, the water in the cleaning tank 4 is cleaned by the cleaning agent 5. When the cleaning process is finished, the water in the cleaning tank 4 is cleaned by the cleaning agent 5. When the cleaning process is finished, the water in the cleaning tank 4 is cleaned by the cleaning agent 5. When the cleaning process is finished, the water in the cleaning tank 4 is cleaned by the cleaning agent 5.

[0045] See also Figure 2 As shown, the cleaning mechanism 5 also includes a water pump 51 and a first water pipe 52;

[0046] The water pump 51 is horizontally arranged at one side of the material preparation tank 4 at the top of the gantry 2, and a flange is arranged at the output end of the water pump 51;

[0047] The first water pipe 52 is disposed at the output end of the water pump 51 , one end of the first water pipe 52 is connected to the output end flange of the water pump 51 , and the other end of the first water pipe 52 is connected to the rotating nozzle 53 in the material preparation tank 4 .

[0048] During operation, the water pump 51 is started, and water flows from the external device through the water pump 51 and the first water pipe 52 to the rotating nozzle 53 inside the preparation tank 4. The rotating nozzle 53 rotates under the reaction force of the water flow, so that the inner wall of the preparation tank 4 can be better cleaned.

[0049] See also Figure 4 As shown, the rotating spray head 53 includes a hollow tube 531, a connecting portion 532, a second water pipe 533 and a nozzle 534;

[0050] The hollow tube 531 is vertically arranged inside the material preparation tank 4, and a rotating joint 5311 is arranged at one end of the hollow tube 531. One end of the rotating joint 5311 is fixedly connected to the first water pipe 52, and the other end of the rotating joint 5311 is rotatably connected to the hollow tube 531.

[0051] The connecting portion 532 is horizontally arranged at the lower end of the hollow tube 531. The interior of the connecting portion 532 is a hollow structure. A through hole having the same inner diameter as the bottom of the hollow tube 531 is arranged at the center of the top of the connecting portion 532. The connecting portion 532 is fixedly connected to the hollow tube 531. The outer wall of the connecting portion 532 is evenly provided with a plurality of through holes.

[0052] The second water pipe 533 is arc-shaped and is arranged perpendicular to the axial direction of the hollow pipe 531. One end of the second water pipe 533 is inserted into the through hole of the connecting portion 532. The other end of the second water pipe 533 is provided with a nozzle 534. The second water pipe 533 is arranged in a one-to-one correspondence with the through holes on the outer wall of the connecting portion 532.

[0053] The nozzle 534 is vertically disposed on one side of the second water pipe 533 , and the nozzle 534 is threadedly connected to an end of the second water pipe 533 away from the connecting portion 532 .

[0054] During operation, water flows through the hollow tube 531 to the connecting part 532. The through holes on the outer wall of the connecting part 532 divert the water to different nozzles 534. The second water pipe 533 is arranged so that the water can flow out from the nozzle 534 in the same direction. The reaction force of the water flow is realized by the rotating joint 5311 connected to one end of the hollow tube 531, so that the water can rotate to spray the inner wall of the preparation tank 4, thereby better cleaning the inside of the preparation tank 4.

[0055] See also Figure 5 As shown, the feeding mechanism 6 also includes a motor 61, a first slide rail 62, a second slide rail 63 and a screw rod 622;

[0056] The motor 61 is horizontally arranged on the top of the partition 21, and the rotation axis of the motor 61 is toward the first slide rail 62;

[0057] The first slide rail 62 is horizontally arranged on one side of the partition plate 21 inside the gantry 2 and fixedly connected to the gantry 2. A first sliding block 623 is arranged on the top of the first slide rail 62. Limiting blocks 621 are arranged at both ends of the first slide rail 62. One end of the limiting block 621 extends to the outside of the gantry 2.

[0058] The second slide rail 63 is horizontally arranged on the opposite side of the first slide rail 62 in the gantry 2, and a second slider 632 is arranged on the top of the second slide rail 63. A moving seat 6231 is vertically arranged on the top of the second slider 632 and the first slider 623, and the bottom of the moving seat 6231 is fixedly connected to the top of the first slide rail 62 and the top of the second slide rail 63 respectively;

[0059] The screw rod 622 is horizontally arranged on the side of the first slide rail 62 away from the metering barrel 64. The middle part of the screw rod 622 passes through the first slider 623. One end of the screw rod 622 is axially connected to the limit block 621. The other end of the screw rod 622 passes through the limit block 621 and is fixedly connected to the output shaft of the motor 61. The screw rod 622 is threadedly connected to the first slider 623.

[0060] During operation, the motor 61 rotates, and the output shaft of the motor 61 drives the screw rod 622 to rotate, and the screw rod 622 drives the slider to move, and the first slider 623 and the second slider 632 drive the moving seat 6231 above them to move horizontally, so that the moving seat 6231 can drive the metering barrel 64 to move, so as to better feed the mixing tank 3.

[0061] See also Figure 5 As shown, a movable bracket 642 is provided on the outer wall of the metering barrel 64, and one end of the movable bracket 642 away from the metering barrel 64 is fixedly connected to the movable seat 6231, a gap is left between the top of the metering barrel 64 and the discharge port 44 of the preparation tank 4, and the bottom of the metering barrel 64 is hingedly arranged with the cover plate 641.

[0062] During operation, the movable seat 6231 drives the movable bracket 642 to move horizontally, and the movable bracket 642 drives the metering barrel 64 to move horizontally. The tiny gap between the top of the metering barrel 64 and the discharge port 44 enables the metering barrel 64 to move better. When the metering barrel 64 moves to the top of the mixing tank 3, the cover plate 641 hingedly arranged at the bottom of the metering barrel 64 will automatically open under the gravity of the prepared material in the metering barrel 64, thereby putting the prepared material into the mixing tank 3.

[0063] See also Figure 5 As shown, a connecting plate 65 is horizontally arranged on the side of the top outer wall of the metering barrel 64 away from the mixing tank 3, and a drain pipe 54 is arranged at the other end of the connecting plate 65. The top inner diameter of the drain pipe 54 is larger than the discharge port 44 of the preparation tank 4, and the two ends of the connecting plate 65 are fixedly connected to the metering barrel 64 and the drain pipe 54 respectively.

[0064] During operation, when the metering barrel 64 moves to the top of the mixing tank 3, the connecting plate 65 moves with the metering barrel 64, and the connecting plate 65 moves to the bottom of the discharge port 44 to block the discharge port 44 to prevent the prepared material from leaking. The drain pipe 54 connected to the other end of the connecting plate 65 ensures that water will not remain in the mixing tank 3 during cleaning.

[0065] See also Figure 5 As shown, the second slide rail 63 is also provided with a limit buckle 631 for limiting the movement of the metering barrel 64.

[0066] During operation, the limit buckle 631 on the second slide rail 63 will limit the movement of the metering barrel 64, so that the metering barrel 64 can only move to a preset position at most. During cleaning, the limit buckle 631 is opened, the feeding mechanism 6 is started, and the motor 61 moves the drain pipe 54 to the bottom of the discharge port 44 through the movement of the slider. The opening and closing of the limit buckle 631 determines the working position of the metering barrel 64 and the drain pipe 54, so that the metering barrel 64 and the drain pipe 54 can work better.

[0067] See also Figure 2 As shown, the electromagnetic coil 42 is spirally arranged on the outer wall battery of the preparation tank 4, and a horseshoe buckle 43 is provided on the electromagnetic coil 42, and the horseshoe buckle 43 is connected to the outer wall of the preparation tank 4.

[0068] After cleaning is completed, the electromagnetic coil 42 spirally arranged on the outer wall of the preparation tank 4 enables it to evenly dry the inside of the preparation tank 4, and the horseshoe buckle 43 fixes the electromagnetic coil 42 to the outer wall of the preparation tank 4, so that the electromagnetic coil 42 will not fall off from the outer wall of the preparation tank 4, thereby being able to better dry the inside of the preparation tank 4.

[0069] The above embodiments only express one or several implementation methods of the present invention, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the attached claims.

Claims

1. A packing device for coating preparation, characterized in that: It comprises a workbench (1), a gantry (2), a stirring tank (3), a material preparation tank (4), a cleaning mechanism (5) and a feeding mechanism (6); The gantry (2) is horizontally arranged on the top of the workbench (1), a partition (21) is horizontally arranged in the middle of the gantry (2), and a perforation is arranged on the top of the gantry (2); The stirring tank (3) is vertically arranged on the top of the workbench (1), and a through hole is provided on the top of the stirring tank (3) for the prepared materials in the preparation tank (4) to flow into the stirring tank (3); The material preparation tank (4) is vertically arranged on one side of the stirring tank (3) at the top of the gantry (2); the outer wall of the material preparation tank (4) is inclinedly provided with a feed port (41) for feeding materials into the inside of the material preparation tank (4); a discharge port (44) is arranged at the center of the bottom of the material preparation tank (4); the discharge port (44) is inserted into the through hole at the top of the gantry (2); and the outer wall of the material preparation tank (4) is provided with an electromagnetic coil (42); The cleaning mechanism (5) is arranged on one side of the material preparation tank (4) at the top of the gantry (2), and a rotating nozzle (53) that can rotate 360 ​​degrees is arranged at the output end of the cleaning mechanism (5), and the rotating nozzle (53) is arranged at the upper center of the inside of the material preparation tank (4); The feeding mechanism (6) is arranged on a partition (21) in the middle of the gantry (2), and comprises a metering barrel (64) which can reciprocate horizontally, the top of the metering barrel (64) is located directly below the discharge port (44) of the material preparation tank (4), the bottom of the metering barrel (64) is provided with a cover plate (641) which can be opened and closed, and a drainage pipe (54) is also provided on one side of the metering barrel (64).

2. A filling device for coating preparation according to claim 1, characterized in that: The cleaning mechanism (5) further comprises a water pump (51) and a first water pipe (52); The water pump (51) is horizontally arranged at one side of the material preparation tank (4) at the top of the gantry (2), and a flange is arranged at the output end of the water pump (51); The first water pipe (52) is arranged at the output end of the water pump (51), one end of the first water pipe (52) is connected to the output end flange of the water pump (51), and the other end of the first water pipe (52) is connected to the rotating spray head (53) in the material preparation tank (4).

3. A filling device for coating preparation according to claim 2, characterized in that: The rotating spray head (53) comprises a hollow tube (531), a connecting portion (532), a second water pipe (533) and a nozzle (534); The hollow tube (531) is vertically arranged inside the material preparation tank (4), and a rotating joint (5311) is arranged at one end of the hollow tube (531), one end of the rotating joint (5311) is fixedly connected to the first water pipe (52), and the other end of the rotating joint (5311) is rotatably connected to the hollow tube (531); The connecting portion (532) is horizontally arranged at the lower end of the hollow tube (531); the interior of the connecting portion (532) is a hollow structure; a through hole having the same inner diameter as the bottom of the hollow tube (531) is arranged at the center of the top of the connecting portion (532); the connecting portion (532) is fixedly connected to the hollow tube (531); and a plurality of through holes are evenly distributed on the outer wall of the connecting portion (532); The second water pipe (533) is arc-shaped, and is arranged perpendicular to the axial direction of the hollow pipe (531). One end of the second water pipe (533) is inserted into the through hole of the connecting portion (532), and the other end of the second water pipe (533) is provided with a nozzle (534). The second water pipe (533) and the through holes on the outer wall of the connecting portion (532) are arranged one by one. The nozzle (534) is vertically arranged on one side of the second water pipe (533), and the nozzle (534) is threadedly connected to an end of the second water pipe (533) away from the connecting portion (532).

4. A filling device for coating preparation according to claim 1, characterized in that: The feeding mechanism (6) further comprises a motor (61), a first slide rail (62), a second slide rail (63) and a screw rod (622); The motor (61) is horizontally arranged on the top of the partition (21), and the rotation axis of the motor (61) faces the first slide rail (62); The first slide rail (62) is horizontally arranged on one side of the inner partition plate (21) of the gantry (2) and is fixedly connected to the gantry (2); a first sliding block (623) is provided on the top of the first slide rail (62); limit blocks (621) are provided at both ends of the first slide rail (62); one end of the limit block (621) extends toward the outside of the gantry (2); The second slide rail (63) is horizontally arranged on the opposite side of the first slide rail (62) in the gantry (2); a second slider (632) is arranged on the top of the second slide rail (63); a movable seat (6231) is vertically arranged on the top of the second slider (632) and the first slider (623); the bottom of the movable seat (6231) is fixedly connected to the top of the first slide rail (62) and the top of the second slide rail (63), respectively; The screw rod (622) is horizontally arranged on a side of the first slide rail (62) away from the metering barrel (64), the middle part of the screw rod (622) passes through the first slider (623), one end of the screw rod (622) is axially connected to the limit block (621), the other end of the screw rod (622) passes through the limit block (621) and is fixedly connected to the output shaft of the motor (61), and the screw rod (622) is threadedly connected to the first slider (623).

5. A filling device for coating preparation according to claim 4, characterized in that: A movable bracket (642) is arranged on the outer wall of the metering barrel (64); one end of the movable bracket (642) away from the metering barrel (64) is fixedly connected to the movable seat (6231); a gap is left between the top of the metering barrel (64) and the discharge port (44) of the material preparation tank (4); and the bottom of the metering barrel (64) is hingedly arranged with the cover plate (641).

6. A filling device for coating preparation according to claim 5, characterized in that: A connecting plate (65) is horizontally arranged on the side of the top outer wall of the metering barrel (64) away from the mixing tank (3), and a drain pipe (54) is arranged at the other end of the connecting plate (65). The inner diameter of the top of the drain pipe (54) is larger than the discharge port (44) of the material preparation tank (4), and the two ends of the connecting plate (65) are fixedly connected to the metering barrel (64) and the drain pipe (54) respectively.

7. A filling device for coating preparation according to claim 4, characterized in that: The second slide rail (63) is also provided with a limit buckle (631) for limiting the movement of the metering barrel (64).

8. A filling device for coating preparation according to claim 1, characterized in that: The electromagnetic coil (42) is spirally arranged on the outer wall of the material preparation tank (4), and a horseshoe buckle (43) is provided on the electromagnetic coil (42), and the horseshoe buckle (43) is connected to the outer wall of the material preparation tank (4).

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