A chemical additive filling device with an anti-dumping structure

Abstract

The present invention provides a chemical additive filling device with an anti-dumping structure, which relates to the technical field of chemical additive filling, comprising: a fixed base, two groups of transmission frames are fixedly arranged on the front side of the top of the fixed base, and a synchronous shaft is rotatably arranged in the middle of the two groups of transmission frames; a main conveyor belt is rotatably arranged between the outside of the synchronous shaft and the two groups of movable seats; vertical conveying rollers are rotatably arranged on the tops of the transmission frames and the movable seats, and a side conveyor belt is rotatably arranged on the outside of the vertical conveying rollers; the present invention utilizes the side conveyor belt and the main conveyor belt for conveying, provides an automated conveying function, and conveys the tank body backward to the canning position through synchronous transmission of the synchronous shaft. During the process, the anti-dumping buckle provides an auxiliary conveying effect, can support the tank body, and prevent the tank body from dumping. The anti-dumping buckle and the infrared sensor are staggered in height to ensure that the device can locate the tank body through the infrared sensor, thereby solving the problem that the existing device is inconvenient to support the tank body for conveying.

Description

Technical Field

[0001] The invention relates to the technical field of chemical additive filling, in particular to a chemical additive filling device with an anti-dumping structure. Background Art

[0002] Chemical additives are generally stored in sealed cans and canned directly using filling machines. The height of the can is generally greater than its diameter, so the balance point is higher. During canning, the impact force generated by the nozzle spray may cause the can to tilt, posing a safety hazard. Therefore, tooling is required to fix the can for canning.

[0003] The canned devices currently used have the following disadvantages:

[0004] 1. Disassembly and assembly require manual operation, which is tedious and time-consuming. It is inconvenient to quickly transport the tank to the designated location and position it, and there is a lack of auxiliary transport structure to prevent dumping;

[0005] 2. Lack of docking structure, direct spraying into the tank body, chemical additives are easy to splash, lack of docking canning structure, inconvenient to automatically dock the tank body for safe canning;

[0006] 3. Lack of the function to safely expel excess air when sealing the can. Summary of the Invention

[0007] In view of this, the present invention aims to address the deficiencies in the above-mentioned prior art and provides a chemical additive filling device with an anti-dumping structure.

[0008] The present invention provides a chemical additive filling device with an anti-dumping structure, which specifically comprises: a fixed base, two sets of transmission frames are fixedly provided on the front side of the top of the fixed base, and a synchronous shaft is rotatably provided in the middle of the two sets of transmission frames; two sets of movable seats are slidably provided on the rear side of the top of the fixed base in cooperation with the guide rail; a main conveyor belt is rotatably provided between the outside of the synchronous shaft and the two sets of movable seats in cooperation with the rotating rollers; vertical conveying rollers are rotatably provided on the tops of the transmission frame and the movable seat, and side conveyor belts are rotatably provided on the outsides of the two sets of vertical conveying rollers on the same side; the outsides of the side conveyor belts are rotatably provided An anti-dumping buckle is fixedly provided at a distance; a filling rack is fixedly provided at the middle of the outer side of the fixed base; a four-way pipe is fixedly provided in the middle of the top of the filling rack, the bottom of the four-way pipe is fixedly connected with a bellows, the bottom of the bellows is fixedly connected with an output pipe, and the bottom of the output pipe is fixedly provided with a one-way valve; a fixed outer buckle is fixedly provided on the outer side of the bottom of the output pipe, and a docking sealing ring is fixedly provided at the bottom of the fixed outer buckle; a group of piston cylinders and a group of solenoid valves are respectively connected on both sides of the four-way pipe, and the other end of the solenoid valve group is connected to a delivery pump; the top of the four-way pipe is connected to another group of solenoid valves.

[0009] Optionally, the synchronization shaft is connected to the bottom ends of the two front sets of vertical conveying rollers by bevel gear transmission, and the rotation directions of the vertical conveying rollers on both sides are opposite; a drive motor is fixedly provided on the outside of the transmission frame, and the drive motor is connected to the vertical conveying rollers by transmission.

[0010] Optionally, a tensioning frame is fixedly provided in the middle of the top rear side of the fixed base, and a tensioning screw is passed through the middle of the tensioning frame; a connecting frame is fixedly provided on the rear sides of the two sets of movable seats, and the tensioning screw is threadedly connected to the connecting frame; a proximity switch is extended forward and fixedly provided on the top middle of the front side of the tensioning frame, and the proximity switch is higher than the top of the main conveyor belt; the side conveyor belt is the same length as the main conveyor belt.

[0011] Optionally, the anti-dump buckle is fixed to the outside of the side conveyor belt by bolts, and the positions of the anti-dump buckles on both sides are aligned; the main body of the anti-dump buckle is an arc structure, the centers of the anti-dump buckles on both sides are aligned, and the anti-dump buckles on both sides do not touch.

[0012] Optionally, an electric cylinder is fixedly provided on one side of the top of the filling rack, a piston is fixedly provided on the telescopic end of the electric cylinder, and the piston fits and slides inside the piston cylinder.

[0013] Optionally, the outside of the one-way valve is integrally provided with an upwardly inclined upper splash-proof edge, and a lower sliding ring is fixedly provided at the bottom of the upper splash-proof edge; an inner movable valve is slidingly provided inside the upper splash-proof edge, the upper splash-proof edge body is in an inverted T-shape, and an output channel is opened in the upper and lower parts of the upper splash-proof edge; an inner sealing ring is fixedly provided on the upper part of the inside of the one-way valve, and the top of the output channel is a dispersed structure and aligned with the inner sealing ring; a spring is sleeved on the outside of the inner movable valve and passes through the lower sliding ring.

[0014] Optionally, the upper portion of the exterior of the fixed outer buckle is an inclined structure, and exhaust holes are arranged around the inclined structure; the interior of the fixed outer buckle is fixed with a downwardly inclined lower splash-proof edge, and the lower splash-proof edge is arranged parallel to.

[0015] Optionally, four groups of support slides are fixedly installed at the bottom of the four-way pipe and the top of the output pipe; the support slide body is a U-shaped structure, and a T-shaped sliding structure is integrally provided on the outside of the support slide, and the upper and lower groups of support slides are slidably connected through the sliding structure.

[0016] Optionally, two groups of infrared sensors for positioning the cans are fixedly provided on an inner wall of one side of the filling rack, and the infrared sensors are higher than the top of the anti-dumping buckle.

[0017] The beneficial effects are as follows:

[0018] 1. The present invention utilizes side conveyor belts and main conveyor belts for conveying, provides an automated conveying function, and conveys the can body backward to the canning position through synchronous transmission of synchronous shafts. During this period, the anti-dumping buckle provides an auxiliary conveying effect, which can support the can body and prevent it from tipping over. The anti-dumping buckle and the infrared sensor are staggered in height to avoid affecting positioning and ensure that the device can locate the can body through the infrared sensor.

[0019] 2. The present invention utilizes a docking sealing ring to provide a docking function. The bellows is expanded by squeezing the air in the piston cylinder, so that the output pipe and the fixed outer buckle are lowered. The docking sealing ring contacts the top of the tank body, sealing the tank body. Then, a delivery pump is used to extract the chemical additives, and the liquid chemical additives are passed through the four-way pipe, the bellows and the output pipe, the movable valve is expanded, and the chemical additives are discharged downward through the output channel and input into the tank body for canning, which can avoid splashing.

[0020] 3. The present invention adopts exhaust holes to discharge excess air. After the can body is closed, the excess air in the can body will be squeezed out during canning. The excess air in the can body will pass through the gap between the lower anti-splash edge and the upper anti-splash edge and finally be discharged from the exhaust holes. The staggered structure of the lower anti-splash edge and the upper anti-splash edge can prevent the chemical additives from splashing, thus preventing the splashed chemical additives from being directly discharged from the exhaust holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the three-dimensional structure of an embodiment of the present invention is shown;

[0022] Figure 2 A schematic diagram of the shaft side structure of an embodiment of the present invention is shown;

[0023] Figure 3 A side structural diagram of an embodiment of the present invention is shown;

[0024] Figure 4 A schematic diagram of the top view of an embodiment of the present invention is shown;

[0025] Figure 5 A schematic diagram of a three-dimensional cross-sectional structure of an embodiment of the present invention is shown;

[0026] Figure 6 Shows an embodiment of the present invention Figure 5 A front view structural diagram of

[0027] Figure 7 Schematic diagram of the initial state structure of the bellows in the embodiment of the present invention is shown;

[0028] Figure 8 A schematic diagram of the structure of the bellows in an embodiment of the present invention in an extended state is shown;

[0029] Figure 9A schematic cross-sectional structure diagram of a fixed outer buckle in an embodiment of the present invention is shown.

[0030] Reference Signs List

[0031] 1. Fixed base; 101. Transmission frame; 102. Synchronous shaft; 103. Drive motor; 104. Movable base; 105. Connecting frame; 106. Tensioning frame; 107. Tensioning screw; 108. Proximity switch; 109. Main conveyor belt; 110. Vertical conveyor roller; 2. Side conveyor belt; 201. Anti-dumping buckle; 3. Filling frame; 301. Electric cylinder; 302. Piston; 4. Cross-tube; 5. Piston cylinder; 6. Solenoid valve; 7. Conveying pump; 8. Bellows; 9. Output pipe; 901. One-way valve; 902. Upper splash guard; 903. Lower slide ring; 904. Inner movable valve; 905. Output channel; 906. Inner sealing ring; 10. Fixed outer buckle; 1001. Exhaust hole; 1002. Lower splash guard; 1003. Docking sealing ring; 11. Support slide; 12. Infrared sensor. DETAILED DESCRIPTION

[0032] In order to make the purpose, solution and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of specific embodiments of the present invention.

[0033] Example 1: Please refer to the accompanying drawings in the specification. Figures 1 to 9 As shown:

[0034] The present invention proposes a chemical additive filling device with an anti-dumping structure, comprising: a fixed base 1, two sets of transmission frames 101 are fixedly provided on the front side of the top of the fixed base 1, and a synchronous shaft 102 is rotatably provided in the middle of the two sets of transmission frames 101; two sets of movable seats 104 are slidably provided on the rear side of the top of the fixed base 1 in cooperation with the guide rail; a main conveyor belt 109 is rotatably provided between the outside of the synchronous shaft 102 and the two sets of movable seats 104 in cooperation with the rotating rollers; vertical conveying rollers 110 are rotatably provided on the tops of the transmission frames 101 and the movable seats 104, and a side conveyor belt 2 is rotatably provided on the outside of the two sets of vertical conveying rollers 110 on the same side; the outside of the side conveyor belt 2 Anti-tipping buckles 201 are fixedly provided at equal intervals; a filling rack 3 is fixedly provided at the middle of the outer portion of the fixed base 1; a four-way pipe 4 is fixedly provided in the middle of the top of the filling rack 3, a bellows 8 is fixedly connected to the bottom of the four-way pipe 4, an output pipe 9 is fixedly connected to the bottom of the bellows 8, and a one-way valve 901 is fixedly provided at the bottom of the output pipe 9; a fixed outer buckle 10 is fixedly provided on the outer side of the bottom of the output pipe 9, and a docking sealing ring 1003 is fixedly provided at the bottom of the fixed outer buckle 10; a group of piston cylinders 5 and a group of solenoid valves 6 are respectively connected to both sides of the four-way pipe 4, and the other end of the group of solenoid valves 6 is connected to a delivery pump 7; another group of solenoid valves 6 is connected to the top of the four-way pipe 4.

[0035] Among them, the synchronization shaft 102 is connected to the bottom ends of the two groups of vertical conveying rollers 110 on the front side by bevel gear transmission, and the rotation directions of the vertical conveying rollers 110 on both sides are opposite; a drive motor 103 is fixedly set on the outside of the transmission frame 101, and the drive motor 103 is connected to the vertical conveying rollers 110 by transmission.

[0036] Among them, the anti-dumping buckle 201 is fixed to the outside of the side conveyor belt 2 by bolts, and the positions of the anti-dumping buckles 201 on both sides are aligned; the main body of the anti-dumping buckle 201 is an arc structure, the centers of the anti-dumping buckles 201 on both sides are aligned, and the anti-dumping buckles 201 on both sides do not touch.

[0037] An electric cylinder 301 is fixedly provided on one side of the top of the filling rack 3 , and a piston 302 is fixedly provided on the telescopic end of the electric cylinder 301 . The piston 302 fits and slides inside the piston cylinder 5 .

[0038] Among them, the outside of the one-way valve 901 is integrally provided with an upward-inclined upper splash-proof edge 902, and a lower sliding ring 903 is fixedly provided at the bottom of the upper splash-proof edge 902; an inner movable valve 904 is slidingly provided inside the upper splash-proof edge 902, and the main body of the upper splash-proof edge 902 is in an inverted T-shape, and an output channel 905 is opened in the upper and lower parts of the upper splash-proof edge 902; an inner sealing ring 906 is fixedly provided on the upper part of the inside of the one-way valve 901, and the top of the output channel 905 is a dispersed structure and aligned with the inner sealing ring 906; a spring is sleeved on the outside of the inner movable valve 904 and passes through the lower sliding ring 903.

[0039] Among them, the upper part of the exterior of the fixed outer buckle 10 is an inclined structure, and the inclined structure is surrounded by exhaust holes 1001; the interior of the fixed outer buckle 10 is fixedly provided with a downwardly inclined lower splash-proof edge 1002, and the lower splash-proof edge 1002 is arranged parallel to it.

[0040] Among them, four groups of support slides 11 are fixedly installed at the bottom of the four-way pipe 4 and the top of the output pipe 9; the main body of the support slide 11 is a U-shaped structure, and the outside of the support slide 11 is integrally provided with a T-shaped sliding structure, and the upper and lower groups of support slides 11 are slidably connected through the sliding structure.

[0041] Among them, two groups of infrared sensors 12 for positioning the can body are fixedly installed on the inner wall of one side of the filling rack 3, and the infrared sensors 12 are higher than the top of the anti-dumping buckle 201.

[0042] like Figure 1-9 As shown, during operation, the can body is placed on the front upper part of the main conveyor belt 109, and the can body is taken out from the rear upper part of the main conveyor belt 109, and the taking and placing operations are performed by workers in different processes;

[0043] The drive motor 103 is started to rotate the synchronous shaft 102, which in turn rotates the two sets of vertical conveying rollers 110. Then, the two sets of side conveyor belts 2 and the main conveyor belt 109 rotate at the same speed to convey the can body backward. The can body is positioned by the infrared sensor 12 and stops moving when the can body moves to the bottom of the fixed outer buckle 10.

[0044] During this period, the anti-dumping buckle 201 provides an auxiliary conveying effect and can effectively prevent the tank from dumping;

[0045] First, the electric cylinder 301 is used to push the piston 302, squeezing the air in the piston tube 5. The air moves downward through the cross-tube 4, expanding the bellows 8, causing the output tube 9 and the fixed outer buckle 10 to descend, and the docking sealing ring 1003 to contact the top of the tank body, thus sealing the tank body.

[0046] The input end of the delivery pump 7 is connected to the source of the chemical additive. The solenoid valve 6 connected to the delivery pump 7 is opened, and the delivery pump 7 is used to extract the chemical additive. The liquid chemical additive is then input into the four-way pipe 4. The chemical additive then passes through the bellows 8 and enters the output pipe 9, pushing the inner movable valve 904 downward. When the inner movable valve 904 drops, the chemical additive that continues to be input is discharged downward through the output channel 905 and finally input into the tank body for canning. During this period, excess air in the tank body will pass through the gap between the lower splash guard 1002 and the upper splash guard 902 and finally be discharged from the exhaust hole 1001.

[0047] The lower splash guard 1002 and the upper splash guard 902 provide a splash-proof function to prevent the splashes generated by the can from splashing to the outside world;

[0048] The delivery volume of the delivery pump 7 is set by the control program, and then the filling is carried out. After the delivery of the chemical additives is stopped, the solenoid valve 6 above the four-way pipe 4 is opened, the electric cylinder 301 is retracted, and the piston 302 is reset. The outside air passes through the upper solenoid valve 6 and the four-way pipe 4 and enters the piston cylinder 5 for replenishment;

[0049] Then close the upper solenoid valve 6, extend the electric cylinder 301, and cooperate with the piston member 302 to squeeze the piston tube 5 again, generating air pressure to discharge the residual chemical additives in the bellows 8 and the output pipe 9, and all the chemicals can be canned into the tank body; retract the electric cylinder 301 again to reset the piston member 302, and use the negative pressure generated in the piston tube 5 to shrink the bellows 8, lift the output pipe 9 and the fixed outer buckle 10, and separate the docking sealing ring 1003 from the tank body, and the safe canning is completed.

[0050] Example 2: Based on Example 1, a tensioning frame 106 is fixedly installed in the middle of the top rear side of the fixed base 1, and a tensioning screw 107 is passed through the middle of the tensioning frame 106; a connecting frame 105 is fixedly installed on the rear sides of the two sets of movable seats 104, and the tensioning screw 107 is threadedly connected to the connecting frame 105; a proximity switch 108 is fixedly installed on the top of the front middle side of the tensioning frame 106, which extends forward and is higher than the top of the main conveyor belt 109;

[0051] The side conveyor belt 2 is the same length as the main conveyor belt 109;

[0052] When the tension of the side conveyor belt 2 and the main conveyor belt 109 needs to be adjusted, the tensioning screw 107 is rotated with a wrench to drive the connecting frame 105 and the movable seat 104 to move, thereby adjusting the tension of the side conveyor belt 2 and the main conveyor belt 109.

[0053] Example 3: Based on Example 1, if the can body is not removed in time from the rear side, the can body at the rearmost side will move backward and contact the proximity switch 108. The feedback signal from the proximity switch 108 will temporarily stop the drive motor 103 so that the worker can remove the can body. At this time, the anti-tipping buckles 201 on both sides are still connected and can maintain support for the can body.

[0054] The control program is pre-set, and when the driving motor 103 stops temporarily, the feeding stroke is also stopped, and the unmoved distance is subsequently replenished to complete the automatic feeding.

[0055] Specific usage and function of this embodiment: In the present invention, according to Figure 1 In the above method, the can body is placed above the front of the main conveyor belt 109, and the can body is taken out from the upper back of the main conveyor belt 109;

[0056] The drive motor 103 is started to rotate the synchronous shaft 102, which simultaneously drives the two sets of vertical conveying rollers 110 to rotate, and then the two sets of side conveyor belts 2 and the main conveyor belt 109 rotate at the same speed to convey the can body backward. The can body is positioned by the infrared sensor 12, and the can body stops moving when it moves to the bottom of the fixed outer buckle 10; the anti-dumping buckle 201 provides an auxiliary conveying effect and can prevent the can body from tipping over;

[0057] First, the electric cylinder 301 pushes the piston 302 to squeeze the air in the piston tube 5. The air moves downward through the cross-tube 4, expanding the bellows 8. The output tube 9 and the fixed outer buckle 10 descend, and the docking sealing ring 1003 contacts the top of the tank body, sealing the tank body.

[0058] Open the solenoid valve 6 connected to the delivery pump 7, and use the delivery pump 7 to extract the chemical additives, and input the liquid chemical additives into the four-way pipe 4. Then, the chemical additives pass through the bellows 8 and enter the output pipe 9, pushing the inner movable valve 904 downward. When the inner movable valve 904 drops, the chemical additives that continue to be input are discharged downward through the output channel 905 and input into the tank body for canning;

[0059] The excess air in the tank will pass through the gap between the lower splash guard 1002 and the upper splash guard 902 and eventually be discharged from the exhaust hole 1001;

[0060] The delivery rate of the delivery pump 7 is set by the control program for canning. After stopping delivery, the solenoid valve 6 above the four-way pipe 4 is opened, the electric cylinder 301 is retracted, the piston 302 is reset, and air is re-drawn into the piston cylinder 5. The outside air passes through the upper solenoid valve 6 and the four-way pipe 4 and enters the piston cylinder 5 for replenishment. Then the upper solenoid valve 6 is closed, the electric cylinder 301 is extended, and the piston 302 cooperates to squeeze the piston cylinder 5 again, generating air pressure to discharge the residual chemical additives in the bellows 8 and the output pipe 9, and all the chemical additives are canned into the tank body.

[0061] Then, the electric cylinder 301 is retracted again to reset the piston 302. The negative pressure generated in the piston tube 5 contracts the bellows 8, lifts the output tube 9 and the fixed outer buckle 10, and separates the docking sealing ring 1003 from the tank body, completing the safe canning.

[0062] The driving motor 103 is controlled by the program to continue working, feeding the can body to a station, and then repeating the above steps to perform continuous cycle canning;

[0063] If the can body is not taken out from the rear side in time, the can body on the rearmost side will move backward and contact the proximity switch 108. The feedback signal of the proximity switch 108 will temporarily stop the drive motor 103 so that the staff can take out the can body. At this time, the anti-tipping buckles 201 on both sides are still not separated and can maintain support for the can body. The control program will also stop the stroke when the drive motor 103 stops temporarily, and will subsequently make up for the distance that has not been moved to complete the feeding.

Claims

1. A chemical additive filling device with an anti-dumping structure, characterized in that: include: A fixed base (1), wherein two groups of transmission frames (101) are fixedly provided on the front side of the top of the fixed base (1), and a synchronous shaft (102) is rotatably provided between the two groups of transmission frames (101); two groups of movable seats (104) are slidably provided on the rear side of the top of the fixed base (1) in cooperation with the guide rail; a main conveyor belt (109) is rotatably provided between the outside of the synchronous shaft (102) and the two groups of movable seats (104); vertical conveying rollers (110) are rotatably provided on the tops of the transmission frames (101) and the movable seats (104), and the two groups of vertical conveying rollers on the same side are rotatably provided on the front and rear sides of the fixed base (1). The roller (110) is provided with a side conveyor belt (2) for rotation outside; anti-dumping buckles (201) are fixedly provided at equal intervals outside the side conveyor belt (2); a filling rack (3) is fixedly provided at the middle of the outside of the fixed base (1); a four-way pipe (4) is fixedly provided at the middle of the top of the filling rack (3); a bellows (8) is fixedly connected to the bottom of the four-way pipe (4); an output pipe (9) is fixedly connected to the bottom of the bellows (8); a one-way valve (901) is fixedly provided at the bottom of the output pipe (9); a fixed outer buckle (10) is fixedly provided on the outer side of the bottom of the output pipe (9); the fixed outer buckle (10) A butt sealing ring (1003) is fixedly provided at the bottom of the four-way pipe (4); a group of piston cylinders (5) and a group of electromagnetic valves (6) are respectively connected to both sides of the four-way pipe (4), and the other end of the group of electromagnetic valves (6) is connected to a delivery pump (7); the top of the four-way pipe (4) is connected to another group of electromagnetic valves (6); an electric cylinder (301) is fixedly provided on one side of the top of the filling rack (3), and a piston member (302) is fixedly provided at the telescopic end of the electric cylinder (301), and the piston member (302) is fitted and slidable inside the piston cylinder (5); an upwardly inclined upper The anti-splash edge (902) is fixedly provided with a lower sliding ring (903) at the bottom of the upper anti-splash edge (902); an inner movable valve (904) is slidably provided inside the upper anti-splash edge (902), the main body of the upper anti-splash edge (902) is in an inverted T-shape, and an output channel (905) is provided in the upper and lower parts of the upper anti-splash edge (902); an inner sealing ring (906) is fixedly provided on the upper part of the one-way valve (901), and the top of the output channel (905) is in a dispersed structure and aligned with the inner sealing ring (906); a spring is sleeved on the outside of the inner movable valve (904) and passes through the lower sliding ring (903).

2. A chemical additive filling device with an anti-dumping structure as claimed in claim 1, characterized in that: The synchronization shaft (102) is connected to the bottom ends of the two groups of vertical conveying rollers (110) on the front side by bevel gears, and the rotation directions of the vertical conveying rollers (110) on both sides are opposite; a driving motor (103) is fixedly provided on the outside of the transmission frame (101), and the driving motor (103) is connected to the vertical conveying rollers (110) by means of a transmission.

3. The chemical additive filling device with an anti-dumping structure according to claim 1, characterized in that: A tensioning frame (106) is fixedly provided in the middle of the rear top of the fixed base (1), and a tensioning screw (107) is passed through the middle of the tensioning frame (106); a connecting frame (105) is fixedly provided on the rear sides of the two sets of movable seats (104), and the tensioning screw (107) is threadedly connected to the connecting frame (105); a proximity switch (108) is fixedly provided on the top of the front middle of the tensioning frame (106), and the proximity switch (108) is higher than the top of the main conveyor belt (109); The side conveyor belt (2) is the same length as the main conveyor belt (109).

4. The chemical additive filling device with an anti-dumping structure according to claim 1, characterized in that: The anti-dumping buckle (201) is fixed to the outside of the side conveyor belt (2) by bolts, and the positions of the anti-dumping buckles (201) on two adjacent sides are aligned; the main body of the anti-dumping buckle (201) is an arc structure, the centers of the anti-dumping buckles (201) on both sides are aligned, and the anti-dumping buckles (201) on both sides do not touch.

5. The chemical additive filling device with an anti-dumping structure according to claim 1, characterized in that: The upper portion of the exterior of the fixed outer buckle (10) is an inclined structure, and an exhaust hole (1001) is provided around the inclined structure; a downwardly inclined lower splash-proof edge (1002) is fixedly provided inside the fixed outer buckle (10), and the lower splash-proof edge (1002) is arranged parallel to the outer buckle.

6. The chemical additive filling device with an anti-dumping structure according to claim 1, characterized in that: Four groups of support slides (11) are fixedly provided at the bottom of the four-way pipe (4) and the top of the output pipe (9); the main body of the support slide (11) is a U-shaped structure, and a T-shaped sliding structure is integrally provided on the outside of the support slide (11), and the upper and lower groups of support slides (11) are slidably connected via the sliding structure.

7. The chemical additive filling device with an anti-dumping structure according to claim 1, characterized in that: Two groups of infrared sensors (12) for positioning the can bodies are fixedly arranged on the inner wall of one side of the filling rack (3), and the infrared sensors (12) are higher than the top of the anti-dumping buckle (201).

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