Automatic packaging production line for barreled paint

Abstract

The invention relates to the technical field of barreled coating packaging, and discloses an automatic barreled coating packaging production line which comprises a feeding conveying line, a packaging conveying line, a classified conveying device and a clamping jaw stacking device. The feeding conveying line is provided with at least two feeding ends and a discharging end. The number of the packaging conveying lines is at least two, and transfer stations are arranged at the discharging ends of the packaging conveying lines. The classification conveying device is arranged between the discharging end of the feeding conveying line and the feeding ends of the at least two packaging conveying lines and used for detecting material information of the barreled paint and inputting the barreled paint into the corresponding packaging conveying lines according to the detection result. The clamping jaw stacking device is arranged on one sides of the discharging ends of the at least two packaging conveying lines and used for transferring and stacking the multiple barreled coatings on any transferring station to the corresponding packaging stations. The packaging production line can solve the problem of how to integrate packaging production lines of multiple types of barreled coating products into a whole so as to reduce the occupied space and the packaging production cost.

Description

Technical Field

[0001] This invention relates to the field of barrel-type paint packaging technology, and more specifically to an automated barrel-type paint packaging production line. Background Technology

[0002] As a key link in achieving efficient packaging of barrelled paint products, the barrelled paint packaging production line is constantly moving towards automation and intelligence. Currently, existing barrelled paint packaging production lines have a high level of automation. Through conveyor lines, the filled barrelled paint products can be automatically and continuously transported to the corresponding packaging area, and then manually stacked and packaged.

[0003] In actual factory production, to meet the needs of different customers and adapt to diverse market application scenarios, factories often need to produce multiple types of barrel-packaged paint products with different specifications and characteristics simultaneously. To avoid product confusion leading to packaging errors, existing barrel-packaged paint production lines typically can only handle the same type of barrel-packaged paint product. This forces factories to equip each type of barrel-packaged paint product with a separate packaging line for transporting and packaging. A large number of independent packaging lines not only occupy a significant amount of production space but also increase packaging production costs. Furthermore, after transporting the barrel-packaged paint products to the corresponding packaging area, existing barrel-packaged paint production lines require manual stacking and palletizing, which is not only extremely labor-intensive but also affects packaging efficiency and product quality.

[0004] Therefore, it is necessary to develop an automated packaging production line for barrel-type paints to solve the above problems. Summary of the Invention

[0005] (a) Technical problems to be solved This invention provides an automated packaging production line for barrel-type paints, which can at least solve the technical problem of how to integrate the packaging production lines of multiple barrel-type paint products into one, so as to reduce the space occupied and packaging production costs.

[0006] (II) Technical Solution To solve the above-mentioned technical problems, the present invention provides the following technical solution: an automatic packaging production line for barrel-type paint, comprising: The system includes a feeding conveyor line and at least two packaging conveyor lines. The feeding conveyor line has multiple inlet ends and one outlet end. The feeding conveyor line is used to continuously supply barrels of paint to be packaged one by one. The outlet end of the packaging conveyor line is equipped with a transfer station. The packaging conveyor line is used to transport the barrels of paint to the transfer station. A sorting conveyor is installed between the discharge end of the feeding conveyor line and the inlet end of at least two packaging conveyors. The sorting conveyor is used to detect the material information of the barrelled paint and input the barrelled paint into the corresponding packaging conveyor line according to the detection results. A gripper palletizing device is installed on one side of the discharge end of at least two packaging conveyor lines. The gripper palletizing device is used to transfer and stack several barrels of paint from any transfer station onto the corresponding packaging station.

[0007] Furthermore, the aforementioned packaging conveyor line is also equipped with a handle adjustment station, which is located upstream of the transfer station; the automatic packaging production line for barrel-type paint also includes a handle adjustment device, the number of which is the same as that of the packaging conveyor line and they are set one-to-one. The handle adjustment device is set on the handle adjustment station of the corresponding packaging conveyor line and is used to adjust the handle of the barrel-type paint at the handle adjustment station to face a preset direction.

[0008] Further, the aforementioned handle adjustment device includes a handle detection mechanism, a lifting mechanism, and a rotary table. The handle detection mechanism is located on one side of the corresponding packaging conveyor line and is positioned opposite to the corresponding handle adjustment station. The handle detection mechanism is used to detect whether the handle of the barrel of paint at the handle adjustment station is facing a preset direction. The rotary table is located below the handle adjustment station, and the lifting mechanism is located below the packaging conveyor line and is connected to the rotary table via a transmission mechanism. The lifting mechanism is used to drive the rotary table to move up and down, so as to cause the barrel of paint at the handle adjustment station to rise away from or fall back to the packaging conveyor line. The handle adjustment station of the packaging conveyor line is provided with a clearance opening for the rotary table to pass through. The rotary table is used to drive the barrel of paint at the handle adjustment station to rotate around the axial direction according to the detection result of the handle detection mechanism, so that the handle of the barrel of paint faces the preset direction.

[0009] Furthermore, the aforementioned automated packaging production line for barrelled paint also includes: The first blocking device is installed on the packaging conveyor line and located upstream of the handle adjustment station. The first blocking device is used to restrict the input of barrel-sized paint into the handle adjustment station on the packaging conveyor line. The material stop is located on the output end of the lifting mechanism and downstream of the handle adjustment station. The lifting mechanism is also used to drive the material stop to move up and down, so as to restrict the bucket of paint from leaving the handle adjustment station.

[0010] Furthermore, the aforementioned handle detection mechanism is also used for secondary detection of the material information of the barrel coating at the handle adjustment station to determine whether the barrel coating belongs to the barrel coating products set to be conveyed by the packaging conveyor line; the automatic packaging production line for barrel coating also includes a pushing device and a discharging conveyor line. The number of pushing devices, discharging conveyors and packaging conveyors are the same and they are set up one-to-one. The pushing devices and discharging conveyors are positioned opposite each other on both sides of the corresponding packaging conveyor line and are located downstream of the handle adjustment station. The discharging conveyor line is connected to the corresponding packaging conveyor line. The pushing device is used to push the incorrectly diverted barrel coating from the corresponding packaging conveyor line to the corresponding discharging conveyor line according to the detection result of the corresponding handle detection mechanism.

[0011] In a further configuration, the aforementioned pushing device includes a push plate and a push plate driving mechanism. The push plate driving mechanism is located on the side of the corresponding packaging conveyor line away from the corresponding unloading conveyor line and is connected to the push plate in a transmission manner. The push plate driving mechanism is used to drive the push plate to move toward or away from the corresponding unloading conveyor line so as to push the barrel-shaped paint from the corresponding packaging conveyor line to the corresponding unloading conveyor line.

[0012] Furthermore, the aforementioned automatic packaging production line for barrel-type paint also includes a pressing device, which includes a pressure plate, a pressure plate driving mechanism, and an elastic element. The pressure plate driving mechanism is located above the packaging conveyor line. The pressure plate is vertically slidably mounted on the output end of the pressure plate driving mechanism and is located directly above the handle adjustment position. The bottom end of the pressure plate is provided with a pressing groove for the top of the barrel-type paint to be inserted. The pressure plate driving mechanism is used to drive the pressure plate to slide towards or away from the handle adjustment position. The two ends of the elastic element are respectively connected to the pressure plate and the output end of the pressure plate driving mechanism. The elastic element has a spring force that drives the pressure plate to slide towards the handle adjustment position.

[0013] Further, the discharge end of the aforementioned packaging conveyor line is provided with a first limiting plate, a second limiting plate, and a third limiting plate. The first limiting plate and the second limiting plate are positioned opposite each other, and the third limiting plate is located between the first limiting plate and the second limiting plate, forming a limiting groove with the first limiting plate and the second limiting plate. The limiting groove is located on the transfer station and is used to accommodate several buckets of paint on the transfer station. The automatic packaging production line for barrel-type paint also includes a limiting device, which includes a fourth limiting plate and a limiting plate driving mechanism. The fourth limiting plate is located in the limiting groove and is arranged parallel to the first limiting plate. The limiting plate driving mechanism is located on one side of the packaging conveyor line and is connected to the fourth limiting plate in a transmission manner. The limiting plate driving mechanism is used to drive the fourth limiting plate to move toward the first limiting plate or the second limiting plate, so as to cooperate with the first limiting plate or the second limiting plate to clamp or release several barrel-type paints in the limiting groove, and to restrict several barrel-type paints to be arranged in the same straight line.

[0014] Furthermore, the aforementioned automatic packaging production line for barrel-type paint also includes a second baffle device, which is located on the packaging conveyor line and upstream of the transfer station. The second baffle device is used to restrict the input of barrel-type paint into the transfer station.

[0015] Furthermore, the aforementioned automatic packaging production line for barrel-type paint also includes a tray supply device. The tray supply device is located on one side of the gripper stacking device and is used to supply empty trays one by one to each packaging station. The gripper stacking device is used to transfer several barrels of paint from the transfer station and stack them on the trays of the corresponding packaging station.

[0016] (III) Beneficial Effects Compared with the prior art, the automatic packaging production line for barrel-type paint provided by the present invention has the following beneficial effects: 1. When using the automatic packaging production line for barrelled paint provided by this invention, the user first feeds multiple types of barrelled paint to be packaged into the feeding conveyor line through multiple inlet terminals. The feeding conveyor line then continuously supplies the barrelled paint to be packaged one by one to the sorting conveyor device. Next, the sorting conveyor device detects the material information of the barrelled paint supplied by the feeding conveyor line and accurately inputs the barrelled paint into the corresponding packaging conveyor line based on the detection results. Then, the packaging conveyor line transports the barrelled paint to the corresponding transfer station. When the barrelled paint at any transfer station reaches a preset quantity, the gripper palletizing device is activated, grabbing and transferring several barrelled paints from the transfer station and neatly stacking them on the corresponding packaging station according to a predetermined stacking method. It can be seen that this invention integrates the packaging production lines for multiple types of barrelled paint products into one unit, greatly reducing the number of production lines required in the factory, thereby effectively reducing the space occupied and packaging production costs.

[0017] 2. This invention can input multiple types of barrelled paint products through at least two feeding ends of the feeding conveyor line. Combined with the classification conveyor device and the packaging conveyor line, it can mix and transport multiple types of barrelled paint products, classify and transport different types of barrelled paint products to the corresponding transfer stations for palletizing and packaging, thereby effectively avoiding product confusion and ensuring packaging quality.

[0018] 3. This invention requires only one gripper palletizing device to achieve automated palletizing and packaging of barrels of paint at multiple transfer stations, which greatly reduces the labor intensity of workers, improves packaging efficiency and product quality, and further reduces the space occupied and packaging production costs. Moreover, the gripper palletizing device can automatically complete a series of operations such as gripping, stacking and palletizing according to the characteristics of different barrels of paint products, effectively improving versatility and adaptability. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the automated packaging production line for barrel-type paint in the embodiment; Figure 2 This is a partial structural schematic diagram of the packaging conveyor line and sorting conveyor in the embodiment; Figure 3 This is a partial structural cross-sectional view of the packaging conveyor line in the embodiment; Figure 4 This is a schematic diagram of the gripper palletizing device and the tray supply device in the embodiment; Figure 5 This is a partial structural diagram of the gripper stacking device in the embodiment.

[0020] Icon labels: 1. Material feeding conveyor line; 2. Packaging conveyor line; 21. Transfer station; 22. Handle adjustment station; 23. Clearance opening; 24. First limit plate; 25. Second limit plate; 26. Third limit plate; 27. Limit groove; 3. Classification conveyor; 31. Inspection conveyor line; 311. Barcode scanning station; 32. Barcode scanning mechanism; 33. Sorting conveyor line; 331. Sorting discharge end; 34. Packaging and sorting mechanism; 341. Swing wheel; 4. Gripper palletizing device; 41. Transfer mechanism; 42. Adjustable clamp; 421. Clamping drive mechanism; 422. Clamping arm; 423. Clamping space; 424. Slide; 43. Adjustment mechanism; 5. Packaging station; 6. Handle adjustment device; 61. Handle detection mechanism; 62. Lifting mechanism; 63. Rotary table; 7. First material blocking device; 71. Baffle; 72. Baffle driving mechanism; 8. Material stop; 9. Pushing device; 91. Push plate; 92. Push plate drive mechanism; 10. Material feeding conveyor line; 11. Pressing device; 111. Pressing plate; 1111. Pressing groove; 112. Pressing plate driving mechanism; 113. Elastic element; 12. Limiting device; 121. Fourth limiting plate; 122. Limiting plate driving mechanism; 13. Second baffle device; 14. Tray supply device; 141. Tray supply equipment; 142. Conveying device; 143. Hopper; 15. Bucket of paint; 151. Handle; 16. Tray. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] This invention provides an automated packaging production line for barrel-type paints, which solves the problem of how to integrate the packaging production lines of multiple barrel-type paint products into one unit to reduce space occupation and packaging production costs.

[0023] See Figure 1 , Figure 3 and Figure 4 As shown, Figure 1 This is a perspective view of the automated packaging production line for barrel-type paint in the embodiment. Figure 3 This is a schematic diagram of the structure of the frame, assembly conveyor line, fixture, and pressure spoon mechanism in the embodiment. Figure 4 for Figure 3 The enlarged schematic diagram at point B shows that the automatic packaging production line for barrel-type paint includes a feeding conveyor line 1, a packaging conveyor line 2, a sorting conveyor device 3, and a gripper palletizing device 4.

[0024] The feeding conveyor line 1 has at least two inlet ends and one outlet end. The feeding conveyor line 1 is used to continuously supply barrels of paint 15 to be packaged one by one.

[0025] The number of packaging conveyor lines 2 is at least two. The discharge end of the packaging conveyor line 2 is provided with a transfer station 21, which is used to transport the barrelled paint 15 to the transfer station 21.

[0026] The sorting conveyor 3 is connected between the discharge end of the feeding conveyor line 1 and the inlet ends of at least two packaging conveyor lines 2. The sorting conveyor 3 is used to detect the material information of the barrelled paint 15 and input the barrelled paint 15 into the corresponding packaging conveyor line 2 according to the detection results.

[0027] The gripper palletizing device 4 is installed on one side of the discharge end of at least two packaging conveyor lines 2. The gripper palletizing device 4 is used to transfer and stack several barrels of paint 15 from any transfer station 21 onto the corresponding packaging station 5.

[0028] When using the above-described automated packaging production line for barrelled paint, the operator first feeds multiple barrels of paint 15 to be packaged into the feeding conveyor line 1 through multiple inlet ports. The feeding conveyor line 1 then continuously supplies the barrels of paint 15 to the sorting conveyor 3. Next, the sorting conveyor 3 detects the material information of the barrels of paint 15 supplied by the feeding conveyor line 1 and accurately inputs the barrel of paint 15 into the corresponding packaging conveyor line 2 based on the detection results. Then, the packaging conveyor line 2 transports the barrels of paint 15 to the corresponding transfer station 21. When the number of barrels of paint 15 at any transfer station 21 reaches a preset quantity, the gripper palletizing device 4 is activated, grabbing and transferring several barrels of paint 15 from the transfer station 21 and neatly stacking them on the corresponding packaging station 5 according to a predetermined stacking method.

[0029] As can be seen from the above usage process, compared with the prior art, the present invention has the following advantages: 1) This invention integrates the packaging production lines of multiple barrel-packaged coating products into one, greatly reducing the number of production lines required by the factory, thereby effectively reducing the space occupied and packaging production costs.

[0030] 2) The present invention can input multiple types of barrel-packaged paint 15 products through at least two feeding ends of the feeding conveyor line 1. Combined with the sorting conveyor device 3 and the packaging conveyor line 2, multiple types of barrel-packaged paint 15 products can be mixed and conveyed to the corresponding transfer station 21 for palletizing and packaging, thereby effectively avoiding product confusion and ensuring packaging quality.

[0031] 3) This invention requires only one gripper palletizing device 4 to realize automated palletizing and packaging of barrel-type paint 15 on multiple transfer stations 21, which greatly reduces the labor intensity of workers, improves packaging efficiency and product quality, and further reduces the space occupied and packaging production costs; moreover, the gripper palletizing device 4 can automatically complete a series of operations such as gripping, stacking and palletizing according to the characteristics of different barrel-type paint 15 products, effectively improving versatility and adaptability.

[0032] Both the feeding conveyor line 1 and the packaging conveyor line 2 mentioned above can use existing conveying mechanisms such as roller conveyors or belt conveyors.

[0033] See Figure 1 and Figure 2 As shown, Figure 2 This is a partial structural diagram of the packaging conveyor line and sorting conveyor in the embodiment. Based on the above embodiment, the packaging conveyor line 2 is further provided with a handle adjustment station 22. The handle adjustment station 22 is located upstream of the transfer station 21. The automatic packaging production line for barrel-type paint also includes a handle adjustment device 6. The number of handle adjustment devices 6 is the same as that of the packaging conveyor line 2, and they are arranged in a one-to-one correspondence. The handle adjustment device 6 is installed on the handle adjustment station 22 of the corresponding packaging conveyor line 2 and is used to adjust the direction of the handle 151 of the barrel-type paint 15 at the handle adjustment station 22 towards a preset direction. Thus, before conveying the barrel-type paint 15 to the corresponding transfer station 21, the present invention can adjust the direction of the handle 151 of the barrel-type paint 15 on the packaging conveyor line 2 through the handle adjustment device 6, ensuring that the barrel-type paint 15 is placed more systematically and stably during subsequent palletizing and transportation, reducing problems such as tipping caused by inconsistent handle 151 directions, and improving product quality and transportation safety.

[0034] See Figure 2 and Figure 3 As shown, Figure 3This is a partial cross-sectional view of the packaging conveyor line in one embodiment. In one implementation of the handle adjustment device 6, the handle adjustment device 6 includes a handle detection mechanism 61, a lifting mechanism 62, and a rotating platform 63. The handle detection mechanism 61 is installed on one side of the corresponding packaging conveyor line 2 by means of screwing or welding, and is positioned opposite to the corresponding handle adjustment station 22. The handle detection mechanism 61 is used to detect whether the handle 151 of the barrel of paint 15 at the handle adjustment station 22 is facing a preset direction. The rotating platform 63 is located below the handle adjustment station 22. The lifting mechanism 62 is installed below the packaging conveyor line 2 and is connected to the rotating platform 63 via a transmission connection. The lifting mechanism 62 is used to drive the rotating platform 63 to move up and down, thereby causing the barrel of paint 15 at the handle adjustment station 22 to rise away from or fall back to the packaging conveyor line 2. The handle adjustment station 22 of the packaging conveyor line 2 has a clearance opening 23 for the rotating platform 63 to pass through. The rotary table 63 is used to drive the barrel of paint 15 in the handle adjustment station 22 to rotate around the axis according to the detection result of the handle detection mechanism 61, so that the handle 151 of the barrel of paint 15 is oriented in a preset direction. Thus, when the handle 151 is adjusted, firstly, the packaging conveyor line 2 transports the barrel of paint 15 to the rotary table 63 of the handle adjustment station 22; then, the lifting mechanism 62 drives the rotary table 63 to rise, causing the barrel of paint 15 at the handle adjustment station 22 to rise away from the packaging conveyor line 2, preventing the barrel of paint 15 from moving away from the handle adjustment station 22 with the packaging conveyor line 2; then, the handle detection mechanism 61 detects whether the handle 151 of the barrel of paint 15 is facing a preset direction. If it is not facing the preset direction, the rotary table 63 drives the barrel of paint 15 to rotate around the axis until the handle detection mechanism 61 detects that the handle 151 of the barrel of paint 15 is facing the preset direction. At the same time, the rotary table 63 stops rotating the barrel of paint 15, and the lifting mechanism 62 drives the rotary table 63 to descend and return, so that the packaging conveyor line 2 can output the barrel of paint 15 from the handle adjustment station 22, and simultaneously input the next barrel of paint 15 into the handle adjustment station 22. It can be seen that the handle adjustment device 6, through the cooperation of the handle detection mechanism 61, the lifting mechanism 62 and the rotating table 63, can accurately adjust the orientation of the handle 151 of the barrel paint 15, ensuring that the handles 151 of several barrel paint 15s at the transfer station 21 are uniformly oriented in the preset direction.

[0035] The handle detection mechanism 61 can use existing visual inspection equipment such as a CCD camera. The lifting mechanism 62 can use existing linear drive mechanisms such as a servo motor-screw-nut linear module or a servo motor-rack and pinion linear module. The rotary table 63 can use a rotary drive mechanism such as a servo rotary motor, and is mounted on the output end of the lifting mechanism 62 by means of screwing or welding. See Figure 1 , Figure 2 and Figure 3As shown, based on the above embodiment, the automatic packaging production line for barrel-type paint further includes a first blocking device 7 and a blocking frame 8. The first blocking device 7 is installed on the packaging conveyor line 2 and is located upstream of the handle adjustment station 22. The first blocking device 7 is used to restrict the input of barrel-type paint 15 from the packaging conveyor line 2 to the handle adjustment station 22. The blocking frame 8 is installed on the output end of the lifting mechanism 62 by means of screwing or welding, and is located downstream of the handle adjustment station 22. The lifting mechanism 62 is also used to drive the blocking frame 8 to move up and down, so as to restrict the barrel-type paint 15 from leaving the handle adjustment station 22. Thus, when the packaging conveyor line 2 transports a barrel of paint 15 to the handle adjustment station 22, the lifting mechanism 62 drives the rotary table 63 to rise, and the baffle 8 rises accordingly, intercepting the barrel of paint 15 so that it cannot deviate from or leave the rotary table 63 as the packaging conveyor line 2 moves. At the same time, the first baffle device 7 intercepts barrels of paint 15 upstream of the handle adjustment station 22 from entering the handle adjustment station 22 with the packaging conveyor line 2, ensuring that the handle 151 adjustment operation currently in progress can proceed smoothly without interference. Until the handle 151 adjustment of the barrel of paint 15 at the current handle adjustment station 22 is completed, the lifting mechanism 62 drives the rotary table 63 to descend and return, and the baffle 8 descends accordingly, releasing the limiting constraint on the barrel of paint 15 at the handle adjustment station 22. The packaging conveyor line 2 then outputs the barrel of paint 15 from the handle adjustment station 22. At the same time, the first baffle device 7 releases the flow, and the packaging conveyor line 2 inputs the next barrel of paint 15 into the handle adjustment station 22, starting a new round of handle 151 adjustment process. It can be seen that the present invention, through the combined use of the first baffle device 7 and the baffle frame 8, can effectively control the rhythm of the bucket paint 15 entering and leaving the handle adjustment station 22, ensuring that there is only one bucket paint 15 at each handle adjustment station 22, providing an interference-free working environment for the adjustment operation of the handle 151, greatly improving the accuracy and stability of the operation, and effectively avoiding various problems that may be caused by the simultaneous presence of multiple bucket paint 15.

[0036] See Figure 1 and Figure 2As shown, based on the above-described embodiment of the handle adjustment device 6, the handle detection mechanism 61 is also used for secondary detection of the material information of the barrel coating 15 at the handle adjustment station 22, in order to determine whether the barrel coating 15 belongs to the barrel coating 15 product set to be conveyed by the packaging conveyor line 2. The automatic packaging production line for barrel coatings also includes a pushing device 9 and a discharging conveyor line 10. The number of pushing devices 9, discharging conveyor lines 10 and packaging conveyor lines 2 are the same, and they are set up one-to-one. The pushing devices 9 and discharging conveyor lines 10 are located on opposite sides of the corresponding packaging conveyor line 2, and are located downstream of the handle adjustment station 22. The discharging conveyor line 10 is connected to the corresponding packaging conveyor line 2. The pushing device 9 is used to push the incorrectly diverted barrel coating 15 from the corresponding packaging conveyor line 2 to the corresponding discharging conveyor line 10 according to the detection result of the corresponding handle detection mechanism 61. Thus, this invention, through the handle detection mechanism 61 detecting whether the handle 151 is facing a preset direction, can simultaneously scan the barcode of the barrelled paint 15, promptly identifying incorrectly diverted barrelled paint 15. If an incorrect diversion is detected, the invention, through the corresponding pushing device 9, can promptly remove the incorrectly diverted barrelled paint 15 flowing into the packaging conveyor line 2, preventing erroneous products from entering subsequent packaging stages, thereby further ensuring packaging accuracy and product quality, and reducing production losses. Furthermore, this invention, through the unloading conveyor line 10, can conveniently and centrally handle incorrectly diverted barrelled paint 15.

[0037] The aforementioned feeding conveyor line 10 can use existing conveying mechanisms such as roller conveyors or belt conveyors.

[0038] See Figure 2 As shown, in one embodiment of the pushing device 9, the pushing device 9 includes a pusher plate 91 and a pusher plate driving mechanism 92. The pusher plate driving mechanism 92 is disposed on the side of the corresponding packaging conveyor line 2 away from the corresponding unloading conveyor line 10 by means of screwing or welding, and its output end is connected to the pusher plate 91 by means of screwing or welding. The pusher plate driving mechanism 92 is used to drive the pusher plate 91 to move toward or away from the corresponding unloading conveyor line 10, so as to push the barrelled paint 15 from the corresponding packaging conveyor line 2 onto the corresponding unloading conveyor line 10. In this way, the pushing device 9 composed of the pusher plate 91 and the pusher plate driving mechanism 92 has a simple structure and is easy to operate. It can quickly and accurately push the incorrectly diverted barrelled paint 15 onto the corresponding unloading conveyor line 10, improve the efficiency of handling incorrect products, and ensure the normal operation of the production line.

[0039] The aforementioned push plate drive mechanism 92 can use existing linear drive mechanisms such as telescopic cylinders or telescopic poles.

[0040] See Figure 2 and Figure 3As shown, based on the above-described embodiment of the handle adjustment device 6, the automatic packaging production line for barrel-type paint also includes a pressing device 11. The pressing device 11 includes a pressure plate 111, a pressure plate driving mechanism 112, and an elastic element 113. The pressure plate driving mechanism 112 is positioned above the packaging conveyor line 2 via screwing or welding. The pressure plate 111 is vertically slidably connected to the output end of the pressure plate driving mechanism 112 and is located directly above the handle adjustment station 22. The bottom end of the pressure plate 111 has a pressing groove 1111 for inserting the top of the barrel-type paint 15. The pressure plate driving mechanism 112 drives the pressure plate 111 to slide towards or away from the handle adjustment station 22. The two ends of the elastic element 113 are connected to the pressure plate 111 and the output end of the pressure plate driving mechanism 112 respectively via abutment or adhesion. The elastic element 113 has a spring force that drives the pressure plate 111 to slide towards the handle adjustment station 22. Thus, when the barrel of paint 15 from the packaging conveyor line 2 is conveyed to the handle adjustment station 22, the pressure plate drive mechanism 112 drives the pressure plate 111 to slide toward the handle adjustment station 22 and press down on the barrel of paint 15, so that the top of the barrel of paint 15 is inserted into the pressure groove 1111 and abuts against the bottom surface of the pressure groove 1111. At this time, the pressure plate 111 and the rotary table 63 cooperate to limit the barrel of paint 15 to the handle adjustment station 22, so that the barrel of paint 15 can subsequently rise, fall and rotate stably with the rotary table 63. Among them, the pressure plate 111 can slide vertically, which can prevent the pressure plate drive mechanism 112 from driving the pressure plate 111 to over-press the barrel of paint 15, causing the barrel of paint 15 to be unable to rise, fall and rotate with the rotary table 63. The elastic element 113 can ensure that the pressure plate 111 is always pressed down on the barrel of paint 15 during the process of rising, falling and rotating, thus playing a limiting role. It can be seen that the pressing device 11 can apply a certain pressure to the barrel of paint 15 during the adjustment of the handle 151, so as to prevent the barrel of paint 15 from jumping or shifting when the handle 151 is rotated to adjust the direction, thereby further improving the accuracy and stability of the adjustment of the handle 151 and ensuring production quality.

[0041] The aforementioned pressure plate drive mechanism 112 can use existing linear drive mechanisms such as telescopic cylinders or telescopic poles. The aforementioned elastic element 113 can use existing elastic parts such as compression springs or tension springs.

[0042] See Figure 2As shown, based on any of the above embodiments, the discharge end of the packaging conveyor line 2 is provided with a first limiting plate 24, a second limiting plate 25, and a third limiting plate 26 by means of screwing or welding. The first limiting plate 24 and the second limiting plate 25 are positioned opposite each other. The third limiting plate 26 is located between the first limiting plate 24 and the second limiting plate 25, and together with the first limiting plate 24 and the second limiting plate 25, forms a limiting groove 27. The limiting groove 27 is located on the transfer station 21 and is used to accommodate a plurality of barrels of paint 15 on the transfer station 21. The automatic packaging production line for barrels of paint also includes a limiting device 12. The limiting device 12 includes a fourth limiting plate 121 and a limiting plate driving mechanism 122. The fourth limiting plate 121 is located within the limiting groove 27 and is distributed parallel to the first limiting plate 24. The limiting plate drive mechanism 122 is installed on one side of the packaging conveyor line 2 by means of screwing or welding, and its output end is connected to the fourth limiting plate 121 by means of screwing or welding. The limiting plate drive mechanism 122 is used to drive the fourth limiting plate 121 to move toward the first limiting plate 24 or the second limiting plate 25, so as to cooperate with the first limiting plate 24 or the second limiting plate 25 to clamp or release several barrels of paint 15 in the limiting groove 27, and to restrict the barrels of paint 15 to be arranged in a straight line. In this way, the setting of the limiting groove 27 and the limiting device 12 can effectively limit and organize the barrels of paint 15 on the transfer station 21, ensuring that the barrels of paint 15 are arranged neatly, so that the subsequent gripper palletizing device 4 can accurately grasp them, improve the accuracy and stability of palletizing, and ensure packaging quality.

[0043] The aforementioned limit plate drive mechanism 122 can use existing linear drive mechanisms such as telescopic cylinders or telescopic poles.

[0044] See Figure 1 As shown, based on the above embodiment, the automatic packaging production line for barrelled paint further includes a second blocking device 13. The second blocking device 13 is installed on the packaging conveyor line 2 and located upstream of the transfer station 21. The second blocking device 13 is used to restrict the input of barrelled paint 15 into the transfer station 21. Thus, when the quantity of barrelled paint 15 at the transfer station 21 reaches a preset amount, the second blocking device 13 can prevent upstream barrelled paint 15 from entering the transfer station 21, avoiding interference with the palletizing process, ensuring the accuracy and stability of palletizing, and improving production efficiency.

[0045] See Figure 1As shown, in one embodiment of the first baffle device 7 and the second baffle device 13, both the first baffle device 7 and the second baffle device 13 include a baffle 71 and a baffle driving mechanism 72. The baffle driving mechanism 72 is disposed on one side of the packaging conveyor line 2 by means of screwing or welding, and its output end is connected to the baffle 71 by means of screwing or welding. The baffle driving mechanism 72 is used to drive the baffle 71 to move toward or away from the packaging conveyor line 2 to block the barrel-type paint 15 from entering the handle adjustment station 22 or the transfer station 21 along with the packaging conveyor line 2.

[0046] The first baffle device 7 and the second baffle device 13 described above can be provided with only one baffle 71 and a baffle driving mechanism 72, or two baffles 71 and baffle driving mechanisms 72 can be symmetrically provided, such as... Figure 1 As shown, the combination enables the interception and release of barrelled paint 15 on the packaging conveyor line 2.

[0047] See Figure 1 and Figure 4 As shown, Figure 4 The diagram illustrates the structure of the gripper palletizing device and the tray supply device in this embodiment. Based on any of the above embodiments, the automated packaging production line for barrelled paint further includes a tray supply device 14. The tray supply device 14 is installed on one side of the gripper palletizing device 4. The tray supply device 14 supplies empty trays 16 one by one to each packaging station 5. The gripper palletizing device 4 transfers several barrelled paints 15 from the transfer station 21 and stacks them onto the trays 16 corresponding to the packaging station 5. Thus, the tray supply device 14 automatically provides empty trays 16 to the packaging station 5, cooperating with the gripper palletizing device 4 to achieve automatic palletizing and packaging of the barrelled paints 15, further improving the automation level and production efficiency of the production line and reducing labor intensity.

[0048] The aforementioned tray supply device 14 can be implemented by combining existing tray supply equipment 141 and conveying device 142. The tray supply equipment 141 can output the empty trays 16 stacked in the hopper 143 one by one to the conveying device 142, while the conveying device 142 can input the empty trays 16 into the empty packaging station 5.

[0049] See Figure 1As shown, in one embodiment of the sorting conveyor 3, the sorting conveyor 3 includes a detection conveyor line 31, a barcode scanning mechanism 32, a sorting conveyor line 33, and at least two packaging sorting mechanisms 34. The detection conveyor line 31 is equipped with a barcode scanning station 311. The inlet end of the detection conveyor line 31 is connected to the outlet end of the feeding conveyor line 1. The detection conveyor line 31 receives the barrelled paint 15 to be packaged supplied by the feeding conveyor line 1 and inputs or outputs the barrelled paint 15 to the barcode scanning station 311. The barcode scanning mechanism 32 is installed on the barcode scanning station 311 of the detection conveyor line 31. The barcode scanning mechanism 32 is used for visual inspection of the QR code on the barrelled paint 15 at the barcode scanning station 311 to identify the material information of the barrelled paint 15. The inlet end of the sorting conveyor line 33 is connected to the outlet end of the detection conveyor line 31. The sorting conveyor line 33 has at least two sorting outlet ends 331 for connecting to the packaging conveyor line 2. The number of sorting outlets 331, packaging sorting mechanisms 34, and packaging conveyor lines 2 are identical and correspond one-to-one. The packaging sorting mechanism 34 is installed on the corresponding sorting outlet 331. The packaging sorting mechanism 34 is used to connect or disconnect the sorting conveyor line 33 and the corresponding packaging conveyor line 2 based on the detection result of the barcode scanning mechanism 32. Thus, when the sorting conveyor device 3 is in use, the packaging sorting mechanism 34 defaults to disconnecting the sorting conveyor line 33 and the corresponding packaging conveyor line 2; first, the detection conveyor line 31 receives the barrelled paint 15 to be packaged supplied by the feeding conveyor line 1 and inputs it into the barcode scanning station 311; then, the barcode scanning mechanism 32 scans the QR code on the barrelled paint 15 at the barcode scanning station 311; after the barcode scanning mechanism 32 successfully identifies the material information of the barrelled paint 15, the detection conveyor line 31 inputs the barrelled paint 15 into the sorting conveyor line 33; finally, according to the detection result of the barcode scanning mechanism 32... Upon receiving the feedback test results, the packaging and sorting mechanism 34 corresponding to the barrel of paint 15 responds quickly, connecting the sorting conveyor line 33 and the corresponding packaging conveyor line 2. When the sorting conveyor line 33 transports the barrel of paint 15 to the corresponding packaging and sorting mechanism 34, the packaging and sorting mechanism 34 inputs the barrel of paint 15 into the corresponding packaging conveyor line 2 for palletizing and packaging. After inputting into the packaging conveyor line 2, the packaging and sorting mechanism 34 resumes the connection between the sorting conveyor line 33 and the corresponding packaging conveyor line 2 to prevent other different types of barrel of paint 15 from being mistakenly input into the packaging conveyor line 2. It can be seen that the sorting and conveying device 3, through the coordinated work of the detection conveyor line 31, the barcode scanning mechanism 32, the sorting conveyor line 33, and at least two packaging sorting mechanisms 34, constructs an automated visual sorting system. It can quickly and accurately sort the barrel-type paint 15 to be packaged during the conveying process, realize the automatic identification and accurate sorting and conveying of different styles of barrel-type paint 15 products, effectively avoid packaging errors caused by confusion of different styles of barrel-type paint 15 products, and thus effectively improve the accuracy and reliability of product packaging.

[0050] The aforementioned inspection conveyor line 31, sorting conveyor line 33, feeding conveyor line 1, and packaging conveyor line 2 can all use existing roller conveyor mechanisms or belt conveyor mechanisms. The aforementioned barcode scanning mechanism 32 can use existing barcode scanners or CCD cameras or other visual scanning equipment.

[0051] See Figure 1 and Figure 2 As shown in the figure, which is an enlarged schematic diagram at point A, in one embodiment of the packaging sorting mechanism 34, the packaging sorting mechanism 34 includes a swing wheel 341, a first swing wheel drive assembly, and a second swing wheel drive assembly. Multiple swing wheels 341 are evenly distributed. The first swing wheel drive assembly (not shown in the figure) is mounted on the sorting conveyor line 33 by means of screwing or welding. The second swing wheel drive assembly (not shown in the figure) is mounted on the output end of the first swing wheel drive assembly by means of screwing or welding and is drively connected to the swing wheels 341. The first swing wheel drive assembly is used to drive the swing wheels 341 to swing vertically so that the wheel surface of the swing wheels 341 faces the sorting conveyor line 33 or the corresponding packaging conveyor line 2. The second swing wheel drive assembly is used to drive the swing wheels 341 to rotate horizontally. In this way, the packaging and sorting mechanism 34 can drive the pendulum wheel 341 to swing vertically through the first pendulum wheel drive assembly according to the detection result of the barcode scanning mechanism 32, so that the wheel surface of the pendulum wheel 341 can flexibly change its orientation. Then, the second pendulum wheel drive assembly drives the pendulum wheel 341 to rotate horizontally, thereby accurately and quickly guiding the barrel-shaped paint 15 to the sorting conveyor line 33 or the corresponding packaging conveyor line 2, which greatly improves the flexibility and accuracy of sorting.

[0052] The aforementioned balance wheels 341 are evenly distributed on the same horizontal plane, and the highest point of the wheel surface of the balance wheel 341 is slightly higher than the conveying surface of the sorting conveyor line 33 or the detection conveyor line 31.

[0053] The aforementioned second balance wheel drive assembly can use existing rotary motors or other rotary drive mechanisms. The number of second balance wheel drive assemblies and balance wheels 341 can be the same and connected in a one-to-one correspondence, so that each balance wheel 341 can be driven to rotate independently by its respective second balance wheel drive assembly. Alternatively, only one second balance wheel drive assembly can be provided, connected to multiple balance wheels 341 via a belt drive mechanism or other transmission mechanism, so that the second balance wheel drive assembly can drive multiple balance wheels 341 to rotate synchronously.

[0054] The aforementioned first pendulum drive assembly can use existing rotary cylinders or servo rotary motors, etc., as rotary drive mechanisms. Only one first pendulum drive assembly can be provided, in which case it can drive multiple pendulum wheels 341 to swing synchronously around the vertical axis, thereby adjusting the wheel surfaces of multiple pendulum wheels 341 to face the same direction, as shown in Figures 1 and 2. Alternatively, more than one first pendulum drive assembly can be provided, in which case it can drive the wheel surfaces of corresponding pendulum wheels 341 to face in the same direction, as shown in Figures 1 and 2, or it can gradually guide the wheel surfaces of multiple pendulum wheels 341 towards the direction of the desired conveyor line, as shown in Figure 3. Of these two embodiments, the latter provides better guidance for the barrel-type paint 15, but the driving cost is higher.

[0055] See Figure 4 and Figure 5 As shown, Figure 5This is a partial structural diagram of the gripper palletizing device in one embodiment. The gripper palletizing device 4 includes a transfer mechanism 41, adjustable clamps 42, and an adjustment mechanism 43. At least two adjustable clamps 42 are provided. Each adjustable clamp 42 includes a clamping drive mechanism 421 and at least two annularly spaced clamping arms 422. The clamping drive mechanism 421 is slidably connected to the output end of the transfer mechanism 41, and the clamping drive mechanisms 421 of the at least two adjustable clamps 42 are arranged along a first direction. The clamping drive mechanism 421 is driveably connected to the at least two clamping arms 422. A clamping space 423 for clamping the barrel-shaped paint 15 is formed between the at least two clamping arms 422. The adjustment mechanism 43 is mounted on the output end of the transfer mechanism 41 and is driveably connected to the at least two adjustable clamps 42. The clamping drive mechanism 421 drives at least two clamping arms 422 to move towards or away from each other to adjust the size of the clamping space 423 to fit the container of paint 15. The adjusting mechanism 43 drives at least two adjustable clamps 42 to move closer or further apart from each other, so that each adjustable clamp 42 is positioned one-to-one with a plurality of container of paint 15 arranged sequentially on any transfer station 21. The transfer mechanism 41 drives the adjusting mechanism 43 and the adjustable clamps 42 to move between any transfer station 21 and its corresponding packaging station 5, so as to transfer and stack the plurality of container of paint 15 on the transfer station 21 onto the corresponding packaging station 5. Thus, when the gripper palletizing device 4 is in use, firstly, the transfer mechanism 41 drives the adjustable grippers 42 to move toward one of the transfer stations 21, while the distance adjustment mechanism 43 drives each adjustable gripper 42 to move closer or further away from each other, so as to adjust the center distance between two adjacent adjustable grippers 42 to be consistent with the center distance between two adjacent barrels of paint 15 on the transfer station 21, so that each adjustable gripper 42 can be aligned with the positions of several barrels of paint 15 arranged one after another on the transfer station 21; then, the clamping drive mechanism 421 of each adjustable gripper 42 drives at least two The gripping arms 422 move towards or away from each other to adjust the size of the gripping space 423 to match the size of the barrels of paint 15 at the current transfer station 21, thereby achieving gripping and grasping of the barrels of paint 15 positioned opposite each other at the transfer station 21. After the gripping action is completed, the transfer mechanism 41 drives each adjustable clamp 42 to move toward the packaging station 5 corresponding to the transfer station 21, so as to place and stack the gripped barrels of paint 15 at the corresponding packaging station 5. Finally, the gripping drive mechanism 421 of each adjustable clamp 42 drives at least two gripping arms 422 to move away from each other, releasing the barrels of paint 15. It can be seen that the gripper palletizing device 4, by setting at least two adjustable clamps 42, can simultaneously grip multiple barrels of paint 15, greatly improving packaging efficiency; and the adjustable clamps 42, through the cooperation of the gripping arms 422 and the gripping drive mechanism 421, can flexibly adjust the gripping space 423 to adapt to barrels of paint 15 of different diameters, greatly enhancing the versatility and flexibility of the present invention.The center distance between adjacent adjustable clamps 42 can be flexibly adjusted by the adjusting mechanism 43 to precisely match the center distance of the barrel-sized paint 15 on the actual transfer station 21 to be gripped. This ensures that the adjustable clamps 42 can accurately grip the corresponding barrel-sized paint 15 on any transfer station 21, significantly improving the accuracy and stability of palletizing and further enhancing the versatility and flexibility of the invention. This ensures that the invention can transfer barrel-sized paint 15 from different transfer stations 21 to the corresponding packaging station 5. In summary, the gripper palletizing device 4, through the cooperation of the adjustable clamps 42 and the adjusting mechanism 43, can grip barrel-sized paint 15 products of different specifications. In this way, each transfer station 21 can use the same gripper palletizing device 4 for stacking, further effectively reducing the space occupied and packaging production costs.

[0056] The aforementioned transfer mechanism 41 can use existing robotic arms or combination machines of flipping mechanisms and multi-axis moving mechanisms to realize the flexible movement and flipping of the adjustable fixture 42 in three-dimensional space, and the transfer mechanism 41 can be directly installed on the ground or placed on the ground through a frame.

[0057] The aforementioned adjusting mechanism 43 can use an existing adjusting mechanism 43, which can drive at least two adjustable clamps 42 to move closer to or further apart from each other.

[0058] See Figure 5 As shown, based on the above embodiment, the adjustable clamp 42 further includes a slide 424. The slide 424 is slidably connected to the output end of the transfer mechanism 41 along a first direction and connected to the output end of the adjusting mechanism 43. At least two clamping arms 422 are rotatably connected to the slide 424 and are distributed in a ring-shaped interval around the center line of the slide 424. A clamping drive mechanism 421 is mounted on the slide 424. The output end of the clamping drive mechanism 421 is connected to one end of the at least two clamping arms 422, and the clamping drive mechanism 421 is used to drive the at least two clamping arms 422 to swing towards each other or away from each other, thereby adjusting the size of the clamping space 423 to adapt to the container of paint 15. Thus, the slide 424 allows the adjustable clamp 42 to slide more stably on the output end of the transfer mechanism 41, while providing a mounting carrier for the clamping arm 422 and the clamping drive mechanism 421, facilitating the assembly and coordinated operation of each mechanism; the clamping space 423 is adjusted by driving the clamping arm 422 to swing through the clamping drive mechanism 421 on the slide 424. The structure is compact, the operation is convenient, and it can quickly and accurately adapt to barrels of paint 15 of different diameters.

[0059] The clamping drive mechanism 421 described above can use existing telescopic poles or linear drive mechanisms such as servo motor-lead screw nut linear modules. The connection between the output end of the clamping drive mechanism 421 and the clamping arm 422 has a movable gap so that the clamping drive mechanism 421 can drive the clamping arm 422 to swing.

[0060] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automated packaging production line for barrel-type paint, characterized in that, include: The system includes a feeding conveyor line and at least two packaging conveyor lines. The feeding conveyor line has at least two inlet ends and one outlet end. The feeding conveyor line is used to continuously supply barrels of paint to be packaged one by one. The outlet end of the packaging conveyor line is provided with a transfer station. The packaging conveyor line is used to transport the barrels of paint to the transfer station. A sorting and conveying device is disposed between the discharge end of the feeding conveyor line and the inlet ends of at least two of the packaging conveyor lines. The sorting and conveying device is used to detect the material information of the barrelled paint and input the barrelled paint into the corresponding packaging conveyor line according to the detection result. A gripper palletizing device is provided on one side of the discharge end of at least two of the packaging conveyor lines. The gripper palletizing device is used to transfer and stack several barrels of paint from any of the transfer stations onto the corresponding packaging station.

2. The automatic packaging production line for barrel-type paint according to claim 1, characterized in that, The packaging conveyor line is also equipped with a handle adjustment station, which is located upstream of the transfer station; the automatic packaging production line for barrel-type paint also includes a handle adjustment device, the number of which is the same as that of the packaging conveyor line and they are set one-to-one. The handle adjustment device is set on the handle adjustment station corresponding to the packaging conveyor line and is used to adjust the handle of the barrel-type paint at the handle adjustment station to face a preset direction.

3. The automatic packaging production line for barrel-type paint according to claim 2, characterized in that, The handle adjustment device includes a handle detection mechanism, a lifting mechanism, and a rotating platform. The handle detection mechanism is located on one side of the packaging conveyor line and is positioned opposite to the handle adjustment station. The handle detection mechanism is used to detect whether the handle of the barrel of paint at the handle adjustment station is facing a preset direction. The rotating platform is located below the handle adjustment station, and the lifting mechanism is located below the packaging conveyor line and is connected to the rotating platform. The lifting mechanism is used to drive the rotating platform to move up and down, so as to cause the barrel of paint at the handle adjustment station to rise away from or fall back to the packaging conveyor line. The handle adjustment station of the packaging conveyor line is provided with a clearance opening for the rotating platform to pass through. The rotating platform is used to drive the barrel of paint at the handle adjustment station to rotate around the axis according to the detection result of the handle detection mechanism, so that the handle of the barrel of paint faces the preset direction.

4. The automatic packaging production line for barrel-type paint according to claim 3, characterized in that, The automated packaging production line for barrel-type paint also includes: A first material blocking device is provided on the packaging conveyor line and located upstream of the handle adjustment station. The first material blocking device is used to restrict the input of barrel-type paint on the packaging conveyor line into the handle adjustment station. A baffle is located on the output end of the lifting mechanism and downstream of the handle adjustment station. The lifting mechanism is also used to drive the baffle to move up and down to restrict the barrel of paint from leaving the handle adjustment station.

5. The automatic packaging production line for barrel-type paint according to any one of claims 2-4, characterized in that, The handle detection mechanism is also used for secondary detection of the material information of the barrel of paint at the handle adjustment station to determine whether the barrel of paint belongs to the barrel of paint products set to be conveyed by the packaging conveyor line; the automatic packaging production line for barrel of paint also includes a pushing device and a discharging conveyor line. The number of the pushing device, the discharging conveyor line and the packaging conveyor line are the same and they are set one-to-one. The pushing device and the discharging conveyor line are positioned opposite each other on both sides of the corresponding packaging conveyor line and are located downstream of the handle adjustment station. The discharging conveyor line is connected to the corresponding packaging conveyor line. The pushing device is used to push the incorrectly diverted barrel of paint from the corresponding packaging conveyor line to the corresponding discharging conveyor line according to the detection result of the corresponding handle detection mechanism.

6. The automatic packaging production line for barrel-type paint according to claim 5, characterized in that, The pushing device includes a pusher plate and a pusher plate driving mechanism. The pusher plate driving mechanism is located on the side of the packaging conveyor line opposite to the unloading conveyor line and is connected to the pusher plate in a transmission manner. The pusher plate driving mechanism is used to drive the pusher plate to move toward or away from the unloading conveyor line so as to push the barrel-shaped paint from the packaging conveyor line to the unloading conveyor line.

7. The automatic packaging production line for barrel-type paint according to any one of claims 2, 3, 4 and 6, characterized in that, The automatic packaging production line for barrel-type paint also includes a pressing device, which includes a pressing plate, a pressing plate driving mechanism, and an elastic element. The pressing plate driving mechanism is located above the packaging conveyor line. The pressing plate is vertically slidably mounted on the output end of the pressing plate driving mechanism and is located directly above the handle adjustment station. The bottom end of the pressing plate is provided with a pressing groove for inserting the top of the barrel-type paint. The pressing plate driving mechanism is used to drive the pressing plate to slide towards or away from the handle adjustment station. The two ends of the elastic element are respectively connected to the pressing plate and the output end of the pressing plate driving mechanism. The elastic element has a spring force that drives the pressing plate to slide towards the handle adjustment station.

8. The automatic packaging production line for barrel-type paint according to any one of claims 1-4 and 6, characterized in that, The discharge end of the packaging conveyor line is provided with a first limiting plate, a second limiting plate and a third limiting plate. The first limiting plate and the second limiting plate are positioned opposite each other. The third limiting plate is located between the first limiting plate and the second limiting plate and forms a limiting groove with the first limiting plate and the second limiting plate. The limiting groove is located on the transfer station and is used to accommodate several buckets of paint on the transfer station. The automatic packaging production line for barrelled paint also includes a limiting device, which includes a fourth limiting plate and a limiting plate driving mechanism. The fourth limiting plate is disposed in the limiting groove and is arranged parallel to the first limiting plate. The limiting plate driving mechanism is disposed on one side of the packaging conveyor line and is connected to the fourth limiting plate in a transmission manner. The limiting plate driving mechanism is used to drive the fourth limiting plate to move toward the first limiting plate or the second limiting plate, so as to cooperate with the first limiting plate or the second limiting plate to clamp or release several barrelled paints in the limiting groove, and to restrict the several barrelled paints to be arranged in the same straight line.

9. The automatic packaging production line for barrel-type paint according to claim 8, characterized in that, The automatic packaging production line for barrel-type paint also includes a second baffle device, which is located on the packaging conveyor line and upstream of the transfer station. The second baffle device is used to restrict the input of barrel-type paint into the transfer station.

10. The automatic packaging production line for barrel-type paint according to any one of claims 1-4, 6 and 9, characterized in that, The automatic packaging production line for barrel-type paint also includes a tray supply device, which is located on one side of the gripper stacking device and is used to supply empty trays one by one to each of the packaging stations. The gripper stacking device is used to transfer several barrels of paint from the transfer station and stack them on the trays of the corresponding packaging station.

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