Adjustable liquid coating variable-quantity filling equipment

Abstract

The invention discloses adjustable liquid coating variable-quantity filling equipment which comprises a U-shaped frame, a filling assembly is fixedly mounted in the middle of the outer wall of the U-shaped frame, and conveying rollers are rotationally mounted on the left side and the right side of the inner wall of the U-shaped frame. According to the adjustable liquid coating variable-quantity filling equipment, a lifting push rod pushes a lifting frame and a positioning rod to descend along the inner wall of a positioning seat, and infrared distance sensors monitor the liquid level of a coating in a containing cylinder and the distance change between the infrared distance sensors in real time, so that when the coating is filled, the liquid level of the coating can be accurately adjusted; according to the paint filling device, paint filling work can be conducted on containing barrels with different heights and capacities, the change of the liquid level is monitored in real time during filling, the whole device has more comprehensive functionality during use and can adapt to containing barrels of more specifications, the practical effect of the whole device is improved, filling work can be conducted on the multiple containing barrels at the same time, and the working efficiency is improved. And the overall coating filling efficiency can also be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of paint filling, and particularly to an adjustable variable liquid paint filling device. Background Art

[0002] Paint filling refers to the process of quantitatively filling liquid materials such as paint through a filling machine. A paint filling machine is a special filling device for liquid materials such as paint and paint. It can achieve automated production, improve production efficiency and accuracy, and reduce the risks and errors caused by manual operation.

[0003] In the patent with the patent number CN221114626U, a paint filling machine is disclosed, belonging to the technical field of paint filling; a paint filling machine includes: a conveying table, and a support block is installed at each of the four corners at the bottom of the conveying table. The bottom of the support block is installed with a bottom block. The support block is slidably installed in the groove at the top of the bottom block. An installation frame is installed outside the four bottom blocks. A slider is slidably installed in the middle of the top of both ends of the installation frame. An extension block is slidably installed at the relative end of the top of both sliders. A limiting plate is installed at the relative end of the two extension blocks. An anti-collision plate is rotatably installed at the feeding end of the limiting plate. This paint filling machine drives the rotation of the first rotating shaft through a motor, and controls the rotation of the second rotating shaft through a runner and a connecting belt, so that the bevel gears on the surfaces of the two rotating shafts mesh with the adjacent bevel gears, respectively driving the rotation of the first screw rod and the second screw rod, so that the first screw rod and the second screw rod drive the support block and the slider to move synchronously, so that the distance between the conveying table and the limiting plate remains unchanged.

[0004] The above device has certain deficiencies when in use: when filling liquid paint, due to differences in the packaging cylinders used for different paints, such as different heights and capacities, it is necessary to be able to adapt to filling different heights and capacities of packaging cylinders during filling.

[0005] Therefore, the present invention provides an adjustable variable liquid paint filling device to solve the above problems. Summary of the Invention

[0006] Aiming at the deficiencies of the prior art, the present invention provides an adjustable variable liquid paint filling device to solve the above problems.

[0007] To achieve the above object, the present invention is realized through the following technical solutions: An adjustable variable liquid coating filling device, including a U-shaped frame, a filling assembly is fixedly installed in the middle of the outer wall of the U-shaped frame, and conveying rollers are rotatably installed on both the left and right sides of the inner wall of the U-shaped frame. The same conveyor belt is drivingly installed on the outer walls of the two conveying rollers. Fixed assemblies are fixedly installed on both the front and rear walls of the filling assembly. A driving motor is installed on the front wall of the U-shaped frame. The power shaft of the driving motor passes through the U-shaped frame through a bearing and is fixedly connected to the roller shaft of the corresponding conveying roller;

[0008] The filling assembly includes a U-shaped seat, the U-shaped seat is fixedly connected to the middle of the outer wall of the U-shaped frame, a lifting push rod is fixedly installed on the top wall of the U-shaped seat, the power shaft of the lifting push rod slidably penetrates the U-shaped seat and is fixedly installed with a lifting frame. A number of installation ports are evenly opened on the bottom wall of the lifting frame. Filling nozzles are fixedly installed on the inner walls of the number of installation ports. Control valves are installed on the outer walls of the number of filling nozzles. Infrared distance sensors are fixedly installed on the bottom wall of the lifting frame and on one side of the filling nozzles. Injection pipes are connected to the tops of the number of filling nozzles. The number of injection pipes are all connected to the same connecting pipe. A delivery pump is fixedly installed on the top wall of the U-shaped seat. The discharge port of the delivery pump is connected to a discharge pipe, and the inlet port of the delivery pump is connected to a feed pipe.

[0009] Through the above technical solutions, the setting of the filling assembly can fill the receiving cylinders with different heights and capacities, and at the same time fill multiple receiving cylinders, so that the efficiency of filling the coating is increased geometrically, and the use range of the entire device is significantly increased.

[0010] Further, the outer wall of the U-shaped seat is fixedly connected to the fixed assembly. A passing groove is opened on the top wall of the U-shaped seat and in front of the delivery pump. The bottom end of the discharge pipe is connected to the connecting pipe through the passing groove. The bottom end of the feed pipe is connected to a delivery pipe, and the bottom end of the delivery pipe is connected to a storage tank. A feeding hopper is connected to the top wall of the storage tank. Positioning seats are fixedly installed on the outer side walls of the U-shaped seat. Positioning rods are fixedly installed on both the left and right sides of the top wall of the lifting frame. The top ends of the two positioning rods slidably penetrate the positioning seats and extend to the outside.

[0011] Through the above technical solutions, when the discharge pipe is driven by the connecting pipe to move, it can freely slide in the inner wall of the passing groove. The storage tank is mainly used for storing liquid coating, and the feeding hopper is mainly used for replenishing the coating to the storage tank. Under the cooperation of the positioning rod and the positioning seat, the lifting movement track can be limited to prevent the occurrence of position deviation.

[0012] Further, the fixed assembly includes two clamping push rods, the two clamping push rods are arranged symmetrically in the front and rear, the two clamping push rods are fixedly connected to the outer wall of the U-shaped seat, and the movable ends of the two clamping push rods slidably penetrate the U-shaped seat and are fixedly installed with a moving frame.

[0013] Through the above technical solution, the clamping push rod is connected to an external power source and a controller, and pushes the moving frame to move.

[0014] Further, limiting grooves are provided on one side of each of the two moving frames adjacent to each other. A plurality of abutting springs are uniformly and fixedly installed on the inner walls of the two limiting grooves. A plurality of abutting springs on the same side are fixedly installed with the same limiting seat. The outer walls of the two limiting seats are both slidably connected to the inner walls of the corresponding limiting grooves.

[0015] Through the above technical solution, the limiting seat slides along the inner wall of the limiting groove and can compress the abutting spring to work.

[0016] Further, connecting seats are fixedly installed on one side of each of the two limiting seats adjacent to each other. Clamping seats are fixedly installed on one side of each of the two connecting seats adjacent to each other. A plurality of arc-shaped grooves are uniformly provided on one side of each of the two clamping seats adjacent to each other. Anti-slip pads are fixedly installed on the inner walls of the plurality of arc-shaped grooves. The plurality of arc-shaped grooves correspond to each other one by one, and the plurality of arc-shaped grooves are all matched with the positions of the corresponding filling nozzles.

[0017] Through the above technical solution, when the anti-slip pad and the clamping seat are clamped under force, they will drive the connecting seat and the limiting seat into the inner wall of the limiting groove to compress the abutting spring. At the same time, under the elastic action of the abutting spring, the anti-slip pad and the clamping seat are pushed back to clamp the receiving cylinder.

[0018] Further, limiting rods are fixedly installed on the left and right parts of one side of each of the two moving frames away from each other. One end of each of the plurality of limiting rods away from each other slidably penetrates through the U-shaped seat and extends to the outside.

[0019] Through the above technical solution, the arrangement of the limiting rods can limit the movement track of the moving frame and prevent it from shifting in position.

[0020] Further, a controller is fixedly installed on the right side of the front wall of the U-shaped frame. A support frame is fixedly installed on the bottom wall of the U-shaped frame. The controller is electrically connected to a driving motor, a lifting push rod, an infrared distance sensor, a control valve, a delivery pump and a clamping push rod. Guide frames are fixedly installed on the front and rear parts on the left side of the top wall of the U-shaped frame.

[0021] Through the above technical solution, the controller can control the driving motor, the lifting push rod, the infrared distance sensor, the control valve, the delivery pump and the clamping push rod to work in cooperation.

[0022] Beneficial Effects

[0023] The present invention provides an adjustable variable liquid coating filling device. Compared with the prior art, it has the following beneficial effects:

[0024] (1). The adjustable variable liquid coating filling equipment. The lifting push rod pushes the lifting frame and the positioning rod to descend along the inner wall of the positioning seat. The lifting frame drives the filling nozzle, the injection pipe, the connecting pipe and the discharge pipe to move downward. When the filling nozzle enters the position of the inlet of the receiving cylinder, the control valve opens, and the transfer pump pumps out the coating in the storage tank through the feed pipe and the transfer pipe, and injects it into the connecting pipe, the injection pipe and the filling nozzle through the discharge pipe. The coating enters the inside of the receiving cylinder through the filling nozzle for filling work. The infrared distance sensor monitors the change in the distance between the coating liquid level inside the receiving cylinder and the infrared distance sensor in real time, so that when filling the coating, it can fill the coating into receiving cylinders of different heights and capacities. When filling, it monitors the change in the liquid level in real time. The whole device has more comprehensive functionality when in use, can adapt to more specifications of receiving cylinders, improves the practical effect of the whole device, and filling multiple receiving cylinders at the same time will also improve the overall coating filling efficiency.

[0025] (2). The adjustable variable liquid coating filling equipment. By evenly placing the empty receiving cylinders on the outer wall of the conveyor belt, the driving motor drives the conveyor rollers and the conveyor belt to move to start transporting the receiving cylinders. The receiving cylinders gradually approach the position of the fixing component through the conveyor belt and the guiding frame. When the linearly arranged receiving cylinders move to the position where the clamping seat, the arc-shaped groove and the anti-slip pad match, the clamping push rod pushes the moving frame and the limiting rod to move. The moving frame drives the abutting spring, the limiting seat, the connecting seat, the clamping seat and the anti-slip pad to move and approach the receiving cylinder. When the clamping seat drives the anti-slip pad to contact and receive force from the receiving cylinder, it will drive the arc-shaped groove to slide in the limiting groove of the limiting seat, so that the limiting seat compresses the abutting spring, and under the elastic action of the abutting spring, it reversely pushes the limiting seat and the connecting seat to move. At the same time, the connecting seat pushes the clamping seat and the anti-slip pad to abut and fix the receiving cylinder, so that when filling the receiving cylinder, it can clamp and fix multiple receiving cylinders to prevent the situation of position shaking and tipping during filling, and improve the overall stability during coating filling. Description of the Drawings

[0026] Figure 1 is the front view of the external structure of the present invention;

[0027] Figure 2 is the rear view of the external structure of the present invention;

[0028] Figure 3 is the left top view of the external structure of the present invention;

[0029] Figure 4 is the exploded view of the internal structure of the fixing component of the present invention;

[0030] Figure 5 is the combined schematic diagram of the external structure of the filling component of the present invention;

[0031] Figure 6 It is an exploded view of the internal structure of the filling assembly of the present invention.

[0032] In the figure: 1. U-shaped frame; 2. Support frame; 3. Fixing assembly; 31. Clamping push rod; 32. Limiting rod; 33. Moving frame; 34. Limiting groove; 35. Abutting spring; 36. Limiting seat; 37. Connecting seat; 38. Arc-shaped groove; 39. Anti-slip pad; 310. Clamping seat; 4. Filling assembly; 41. U-shaped seat; 42. Lifting push rod; 43. Positioning seat; 44. Positioning rod; 45. Lifting frame; 46. Installation opening; 47. Filling nozzle; 48. Infrared distance sensor; 49. Control valve; 410. Injection pipe; 411. Connecting pipe; 412. Discharge pipe; 413. Delivery pump; 414. Feed pipe; 415. Delivery pipe; 416. Storage tank; 417. Refilling hopper; 418. Passing groove; 5. Guide frame; 6. Controller; 7. Driving motor; 8. Conveyor belt; 9. Conveyor roller. Specific embodiments

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0034] Embodiment 1:

[0035] Please refer to Figures 1 - 6 , an adjustable variable-volume liquid coating filling device, including a U-shaped frame 1, a filling assembly 4 is fixedly installed in the middle of the outer wall of the U-shaped frame 1, conveyor rollers 9 are rotatably installed on both the left and right sides of the inner wall of the U-shaped frame 1, and the outer walls of the two conveyor rollers 9 are both drivingly installed with the same conveyor belt 8. Fixing assemblies 3 are fixedly installed on both the front and rear walls of the filling assembly 4, a driving motor 7 is installed on the front wall of the U-shaped frame 1, and the power shaft of the driving motor 7 passes through the U-shaped frame 1 through a bearing and is fixedly connected to the roller shaft of the corresponding conveyor roller 9;

[0036] The filling assembly 4 includes a U-shaped seat 41, the U-shaped seat 41 is fixedly connected to the middle part of the outer wall of the U-shaped frame 1, a lifting push rod 42 is fixedly installed on the top wall of the U-shaped seat 41, the power shaft of the lifting push rod 42 slidably penetrates the U-shaped seat 41 and is fixedly installed with a lifting frame 45, a plurality of mounting openings 46 are uniformly formed in the bottom wall of the lifting frame 45, filling nozzles 47 are fixedly installed on the inner walls of the plurality of mounting openings 46, control valves 49 are installed on the outer walls of the plurality of filling nozzles 47, infrared distance sensors 48 are fixedly installed on the bottom wall of the lifting frame 45 and on one side of the filling nozzles 47, injection pipes 410 are connected to the tops of the plurality of filling nozzles 47, the plurality of injection pipes 410 are all connected to the same connecting pipe 411, a delivery pump 413 is fixedly installed on the top wall of the U-shaped seat 41, the discharge port of the delivery pump 413 is connected to a discharge pipe 412, the feed port of the delivery pump 413 is connected to a feed pipe 414, the outer wall of the U-shaped seat 41 is fixedly connected to the fixing assembly 3, a passing groove 418 is formed in the top wall of the U-shaped seat 41 and in front of the delivery pump 413, the bottom end of the discharge pipe 412 is connected to the connecting pipe 411 through the passing groove 418, the bottom end of the feed pipe 414 is connected to a delivery pipe 415, the bottom end of the delivery pipe 415 is connected to a storage tank 416, a replenishing hopper 417 is connected to the top wall of the storage tank 416, positioning seats 43 are fixedly installed on the outer side walls of the U-shaped seat 41, positioning rods 44 are fixedly installed on the left and right sides of the top wall of the lifting frame 45, and the top ends of the two positioning rods 44 slidably penetrate the positioning seats 43 and extend to the outside;

[0037] In the embodiment of the present invention, the purpose of this setting is that the setting of the filling assembly 4, when filling the liquid coating, by adjusting the height of the filling nozzle 47, enables the entire device to perform the coating filling work on the receiving cylinders of different heights. At the same time, the infrared distance sensor 48 is used to monitor the liquid level change in the receiving cylinder in real time. The multiple filling nozzles 47 provided can perform the filling work on multiple receiving cylinders simultaneously, which can further improve the filling efficiency of the liquid coating.

[0038] Embodiment Two:

[0039] Please refer to Figures 1 - 6, this embodiment provides a technical solution based on Embodiment 1: The fixing component 3 includes two clamping push rods 31, which are symmetrically arranged front and back. Both clamping push rods 31 are fixedly connected to the outer wall of the U-shaped seat 41. The movable ends of the two clamping push rods 31 slidably penetrate through the U-shaped seat 41 and are fixedly installed with a movable frame 33. A limiting groove 34 is formed on the adjacent side of the two movable frames 33. A number of abutting springs 35 are evenly fixedly installed on the inner wall of the two limiting grooves 34. A number of abutting springs 35 on the same side are fixedly installed with the same limiting seat 36. The outer walls of the two limiting seats 36 are slidably connected to the inner walls of the corresponding limiting grooves 34. A connecting seat 37 is fixedly installed on the adjacent side of the two limiting seats 36. A clamping seat 310 is fixedly installed on the adjacent side of the two connecting seats 37. A number of arc-shaped grooves 38 are evenly formed on the adjacent side of the two clamping seats 310. Anti-slip pads 39 are fixedly installed on the inner walls of the number of arc-shaped grooves 38. The number of arc-shaped grooves 38 correspond to each other one by one. The number of arc-shaped grooves 38 are all matched with the positions of the corresponding filling nozzles 47. Limiting rods 32 are fixedly installed on the left and right parts of the mutually far sides of the two movable frames 33. The mutually far ends of the number of limiting rods 32 slidably penetrate through the U-shaped seat 41 and extend to the outside. A controller 6 is fixedly installed on the right side of the front wall of the U-shaped frame 1. A support frame 2 is fixedly installed on the bottom wall of the U-shaped frame 1. The controller 6 is electrically connected to the driving motor 7, the lifting push rod 42, the infrared distance sensor 48, the control valve 49, the delivery pump 413 and the clamping push rod 31. Guide frames 5 are fixedly installed on the front and rear parts of the left side of the top wall of the U-shaped frame 1;

[0040] In the embodiment of the present invention, the purpose of such a setting is that the setting of the fixing component 3 can clamp and fix a plurality of receiving cylinders simultaneously during the filling work of the liquid paint, preventing problems such as tipping and offset during filling. The controller 6 can control the driving motor 7, the lifting push rod 42, the infrared distance sensor 48, the control valve 49, the delivery pump 413 and the clamping push rod 31 to cooperate with each other to improve the automation degree of the filling work.

[0041] At the same time, the content not described in detail in this specification belongs to the well-known prior art of those skilled in the art.

[0042] During operation, it is first electrically connected to the drive motor 7, lifting push rod 42, infrared distance sensor 48, control valve 49, transfer pump 413, and clamping push rod 31 through an external power source and controller 6. When starting to fill the paint, the paint is replenished into the storage tank 416 through the replenishing hopper 417. The empty holding cylinders for accommodating the paint are evenly placed on the outer wall of the conveyor belt 8. The drive motor 7 drives the conveyor roller 9 to rotate. When the conveyor roller 9 rotates, it synchronously drives the conveyor belt 8 to move and start transporting the holding cylinders. The holding cylinders pass through the conveyor belt 8 and the guiding frame 5 and gradually approach the position of the fixing component 3. When the linearly arranged holding cylinders move to the position where they match the clamping seat 310, the arc-shaped groove 38, and the anti-slip pad 39, the controller 6 controls the drive motor 7 to stop working. Immediately afterwards, the controller 6 controls the clamping push rod 31 to start pushing the moving frame 33 towards the center. When the moving frame 33 moves, it drives the limiting rod 32 to move, preventing the moving frame 33 from shifting in position during movement. When the moving frame 33 moves, it will synchronously drive the abutting spring 35, the limiting seat 36, the connecting seat 37, the clamping seat 310, and the anti-slip pad 39 to move and approach the holding cylinder. When the clamping seat 310 drives the anti-slip pad 39 to contact and receive force from the holding cylinder, it will drive the arc-shaped groove 38 to slide into the limiting groove 34 of the limiting seat 36, causing the limiting seat 36 to compress the abutting spring 35. And under the elastic action of the abutting spring 35, it reversely pushes the limiting seat 36 and the connecting seat 37 to move. At the same time, the connecting seat 37 pushes the clamping seat 310 and the anti-slip pad 39 to abut and fix the holding cylinder, and starts the filling work on the holding cylinder. The lifting push rod 42 pushes the lifting frame 45 to descend. The lifting frame 45 simultaneously drives the positioning rod 44 to descend along the inner wall of the positioning seat 43, preventing the lifting frame 45 from shifting in position during descent. When the lifting frame 45 descends, it drives the filling nozzle 47, the injection pipe 410, the connecting pipe 411, and the discharge pipe 412 to move downward. The filling nozzle 47 matches the position of the corresponding holding cylinder. When the filling nozzle 47 enters the position of the inlet of the holding cylinder, the controller 6 controls the control valve 49 to open, and the transfer pump 413 starts to work. The paint in the storage tank 416 is pumped out through the feed pipe 414 and the transfer pipe 415, and after passing through the discharge pipe 412, it enters the connecting pipe 411 and the injection pipe 410 and then into the filling nozzle 47. The paint enters the holding cylinder through the filling nozzle 47 to start the filling work. At the same time, the infrared distance sensor 48 continuously monitors the change in the distance between the paint level inside the holding cylinder and the infrared distance sensor 48. When the distance is less than the threshold set by the controller 6, the threshold set by the controller 6 is that the paint level is less than 5 cm from the position of the inlet of the holding cylinder. Immediately afterwards, the transfer pump 413 stops working and the control valve 49 closes, thus completing the filling work on the holding cylinder. And through the movement of the movable end of the clamping push rod 31 back to its original position, it drives the clamping seat 310 and the anti-slip pad 39 to disengage from the contact with the holding cylinder, and drives the conveyor roller 9 to rotate through the drive motor 7.When the conveying roller 9 rotates, it synchronously drives the conveyor belt 8 to move, and starts to convey the filled receiving cylinder. Repeating the above operation process can continuously fill the receiving cylinder.

[0043] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0044] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable variable filling device for liquid coatings, characterized in that: It includes a U-shaped frame (1). A filling component (4) is fixedly installed in the middle of the outer wall of the U-shaped frame (1). Conveyor rollers (9) are rotatably installed on the left and right sides of the inner wall of the U-shaped frame (1). The same conveyor belt (8) is drivingly installed on the outer walls of the two conveyor rollers (9). Fixed components (3) are fixedly installed on the front and rear walls of the filling component (4). A driving motor (7) is installed on the front wall of the U-shaped frame (1). The power shaft of the driving motor (7) passes through the U-shaped frame (1) through a bearing and is fixedly connected to the roller shaft of the corresponding conveyor roller (9). The filling component (4) includes a U-shaped seat (41). The U-shaped seat (41) is fixedly connected to the middle of the outer wall of the U-shaped frame (1). A lifting push rod (42) is fixedly installed on the top wall of the U-shaped seat (41). The power shaft of the lifting push rod (42) slidably passes through the U-shaped seat (41) and is fixedly installed with a lifting frame (45). A number of installation openings (46) are evenly formed in the bottom wall of the lifting frame (45). Filling nozzles (47) are fixedly installed on the inner walls of the number of installation openings (46). Control valves (49) are installed on the outer walls of the number of filling nozzles (47). Infrared distance sensors (48) are fixedly installed on the bottom wall of the lifting frame (45) and on one side of the filling nozzles (47). Injection pipes (410) are connected to the tops of the number of filling nozzles (47). The number of injection pipes (410) are all connected to the same connecting pipe (411). A delivery pump (413) is fixedly installed on the top wall of the U-shaped seat (41). The outlet of the delivery pump (413) is connected to a discharge pipe (412). The inlet of the delivery pump (413) is connected to a feed pipe (414).

2. The adjustable variable filling device for liquid coatings according to claim 1, wherein: The outer wall of the U-shaped seat (41) is fixedly connected to the fixed component (3). A passing groove (418) is formed on the top wall of the U-shaped seat (41) and in front of the delivery pump (413). The bottom end of the discharge pipe (412) is connected to the connecting pipe (411) through the passing groove (418). The bottom end of the feed pipe (414) is connected to a delivery pipe (415). The bottom end of the delivery pipe (415) is connected to a storage tank (416). A feeding hopper (417) is connected to the top wall of the storage tank (416). Positioning seats (43) are fixedly installed on the outer side walls of the U-shaped seat (41). Positioning rods (44) are fixedly installed on the left and right sides of the top wall of the lifting frame (45). The top ends of the two positioning rods (44) slidably pass through the positioning seats (43) and extend to the outside.

3. The adjustable variable filling equipment for liquid coatings according to claim 1, wherein: The fixed component (3) includes two clamping push rods (31). The two clamping push rods (31) are arranged symmetrically in the front and rear. The two clamping push rods (31) are both fixedly connected to the outer wall of the U-shaped seat (41). The movable ends of the two clamping push rods (31) slidably pass through the U-shaped seat (41) and are fixedly installed with a moving frame (33).

4. The adjustable variable filling device for liquid coatings according to claim 3, wherein: On one side adjacent to each other of the two moving frames (33), a limiting groove (34) is provided. A number of abutting springs (35) are uniformly and fixedly installed on the inner walls of the two limiting grooves (34). A limiting seat (36) is fixedly installed by a number of the abutting springs (35) on the same side. The outer walls of the two limiting seats (36) are slidably connected to the inner walls of the corresponding limiting grooves (34).

5. The adjustable variable filling equipment for liquid coatings according to claim 4, wherein: On one side adjacent to each other of the two limiting seats (36), a connecting seat (37) is fixedly installed. On one side adjacent to each other of the two connecting seats (37), a clamping seat (310) is fixedly installed. A number of arc-shaped grooves (38) are uniformly provided on one side adjacent to each other of the two clamping seats (310). Anti-slip pads (39) are fixedly installed on the inner walls of the number of arc-shaped grooves (38). The number of arc-shaped grooves (38) corresponds one by one, and the number of arc-shaped grooves (38) is matched with the positions of the corresponding filling nozzles (47).

6. The adjustable variable filling device for liquid coatings according to claim 3, characterized in that: On the left and right parts of the sides where the two moving frames (33) are away from each other, limiting rods (32) are fixedly installed. One end of each of the number of limiting rods (32) away from each other slides through the U-shaped seat (41) and extends to the outside.

7. The adjustable variable filling device for liquid coatings according to claim 1, characterized in that: A controller (6) is fixedly installed on the right side of the front wall of the U-shaped frame (1). A support frame (2) is fixedly installed on the bottom wall of the U-shaped frame (1). The controller (6) is electrically connected to a driving motor (7), a lifting push rod (42), an infrared distance sensor (48), a control valve (49), a delivery pump (413) and a clamping push rod (31). Guide frames (5) are fixedly installed on the front and rear parts of the left side of the top wall of the U-shaped frame (1).

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