Automatic packing conveying line for sand paper

Abstract

The utility model discloses an automatic sandpaper packaging and conveying line, which comprises a packaging box conveying line, a packaging box bundling machine arranged at one end of the packaging box conveying line, an automatic box sealing machine arranged at the end of the packaging box bundling machine away from the packaging box conveying line, a box sealing conveying line arranged at the side of the automatic box sealing machine away from the packaging box bundling machine, a stacking assembly arranged at the end of the packaging box conveying line away from the packaging box bundling machine, and a sandpaper packaging line arranged at the end of the box sealing conveying line away from the automatic box sealing machine.

Description

Technical Field

[0001] This utility model relates to the field of sandpaper production technology, and in particular to an automated sandpaper packaging and conveying line. Background Technology

[0002] Sandpaper is a material used for abrasive grinding, such as polishing metal and wood surfaces to make them smooth and glossy. It is typically made by attaching various abrasive grains to a base paper. Depending on the abrasive material, there are various types, including diamond sandpaper, synthetic diamond sandpaper, and glass sandpaper. Currently, the packaging process for sandpaper largely relies on manual labor or semi-automatic equipment. This is prone to inconsistent packaging quality due to human error, resulting in low production efficiency and high labor costs.

[0003] The technical problem this utility model aims to solve is to design an automated sandpaper packaging and conveyor line that improves the consistency and production efficiency of sandpaper packaging while reducing labor costs. Utility Model Content

[0004] This invention provides an automated sandpaper packaging and conveying line, which achieves consistency in sandpaper packaging and improves production efficiency, while helping companies reduce labor costs.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: This utility model provides an automated sandpaper packaging conveyor line, including a packaging box conveyor line. One end of the packaging box conveyor line is equipped with a packaging box strapping machine. An automatic box sealing machine is located at the end of the packaging box strapping machine away from the packaging box conveyor line. A box sealing conveyor line is located on the side of the automatic box sealing machine away from the packaging box strapping machine. A palletizing assembly is located at the end of the packaging box conveyor line away from the packaging box strapping machine. A sandpaper packaging line is located at the end of the box sealing conveyor line away from the automatic box sealing machine. The sandpaper packaging line includes a manual feeding station, a sandpaper strapping machine, a sandpaper feeding conveyor line, and an automatic cartoning machine. The system includes a packaging box feeding conveyor line and a first carton packing station. The manual feeding station is located at the end of the carton sealing conveyor line away from the palletizing components. A sandpaper strapping machine is located on one side of the manual feeding station. A sandpaper feeding conveyor line is located at the output end of the sandpaper strapping machine. An automatic cartoning machine is located at the end of the sandpaper feeding conveyor line away from the sandpaper strapping machine. A packaging box feeding conveyor line is located at the output end of the automatic cartoning machine. The first carton packing station is located on the side of the carton sealing conveyor line away from the automatic carton sealing machine.

[0006] Preferably, a packaging box sealing line is provided on one side of the packaging box discharge conveyor line; the packaging box sealing line includes a first packaging box sealing machine, a first packaging box conveyor line, a second packing station, and a packaging box moving station; the packaging box moving station is located on one side of the packaging box discharge conveyor line, and the first packaging box sealing machine is located on the side of the packaging box moving station away from the packaging box discharge conveyor line. The output end of the first packaging box sealing machine is provided with the first packaging box conveyor line, and the first packaging box conveyor line is located on one side of the sealing conveyor line. The second packing station is located on one side of the first packaging box sealing machine.

[0007] Preferably, a cardboard packaging line is provided on the side of the manual feeding station away from the sandpaper and strapping machine; the cardboard packaging line includes a cardboard forming machine, a second packaging box sealing machine, a second packaging box conveyor line, and a third packing station; the cardboard forming machine is located on the side of the manual feeding station away from the sandpaper and strapping machine, the second packaging box sealing machine is located on one side of the cardboard forming machine, the output end of the second packaging box sealing machine is provided with a second packaging box conveyor line, the second packaging box conveyor line is located on the side of the sealing conveyor line away from the first packing station, and the third packing station is located on one side of the second packaging box conveyor line.

[0008] Preferably, a conveyor turntable assembly is provided at the end of the sandpaper feeding conveyor line away from the sandpaper belt tensioner; the conveyor turntable assembly includes a transfer conveyor line, a servo stepper motor and a rotating seat; the rotating seat is located at the end of the sandpaper feeding conveyor line away from the sandpaper belt tensioner, the transfer conveyor line is installed on the top of the rotating seat and the servo stepper motor is provided at the bottom of the rotating seat.

[0009] Preferably, the input end of the automatic cartoning machine is provided with a sandpaper feeding assembly; the sandpaper feeding assembly includes a lifting seat, a first cylinder, a first guide rod, a second cylinder, and a mounting frame; the mounting frame is located on one side of the input end of the automatic cartoning machine, the lifting seat is located below the mounting frame, the first cylinder is mounted on the top of the mounting frame, the output end of the first cylinder is fixedly connected to the lifting seat, the first guide rods are provided on both sides of the top of the lifting seat, the first guide rods are slidably connected to the mounting frame, and the second cylinder is located at the bottom of the lifting seat.

[0010] Preferably, the palletizing assembly includes a palletizing robot, a gripping module, and a pallet placement area; the palletizing robot is located at the end of the packaging box conveyor line, the output end of the palletizing robot is equipped with a gripping module, and pallet placement areas are provided on both sides of the palletizing robot.

[0011] Preferably, a positioning component is provided at the end of the packaging box conveyor line; the positioning component includes a third cylinder, a second guide rod, a first push plate, a first proximity switch, and a limiting plate; two third cylinders are provided, distributed on both sides of the end of the packaging box conveyor line, the output end of the third cylinder is fixedly connected to the first push plate, the back sides of the first push plate are provided with second guide rods, the side of the first push plate away from the packaging box strapping machine is provided with a first proximity switch, the first proximity switch is fixedly connected to the packaging box conveyor line, and the limiting plate is provided at the end of the packaging box conveyor line.

[0012] Preferably, a limit component is provided at one end of the sealing conveyor line near the automatic sealing machine; the limit component includes a fourth cylinder, a second push plate, a third guide rod, and a second proximity switch; two fourth cylinders are provided, distributed on both sides of the end of the sealing conveyor line, the output end of the fourth cylinder is fixedly connected to the second push plate, the back sides of the second push plate are provided with third guide rods, and the side of the second push plate away from the automatic sealing machine is provided with a second proximity switch, which is fixedly connected to the sealing conveyor line.

[0013] Preferably, the palletizing robot and the pallet placement area are provided with guardrails.

[0014] Preferably, palletizing sensing modules are equidistantly arranged on the outer side of the pallet placement area.

[0015] The technical solution of this utility model has the following technical effects compared with the prior art: By coordinating the packaging box conveyor line, automatic box sealing machine, packaging box strapping machine, palletizing assembly, sandpaper packaging line, manual feeding station, sandpaper strapping machine, sandpaper feeding conveyor line, automatic cartoning machine, packaging box discharging conveyor line, first cartoning station and sealing conveyor line, sandpaper is manually fed, automatically strapped and boxed, and manually packed into boxes. Then, the packaging boxes are automatically sealed, strapped and palletized. Two workers can complete the boxing, packing and palletizing of sandpaper, reducing the manpower required for sandpaper packaging and palletizing, improving the consistency and production efficiency of sandpaper packaging, and helping enterprises reduce labor costs. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the appearance of an automated sandpaper packaging and conveying line according to this utility model; Figure 2 This is a schematic diagram showing the appearance of the sandpaper strapping machine, automatic cartoning machine, and packaging box strapping machine of this utility model; Figure 3 This is a schematic diagram showing the appearance of the paper box forming machine, the second packaging box conveyor line, and the sealing conveyor line in this utility model; Figure 4This is a schematic diagram showing the appearance of the automatic cartoning machine, the first packaging box sealing machine, and the second packing station in this utility model; Figure 5 This is a schematic diagram showing the external appearance of the transfer conveyor line, rotating seat, and lifting seat in this utility model; Figure 6 This is a schematic diagram showing the appearance of the palletizing robot, positioning components, and pallet placement area in this utility model; Figure 7 This is a schematic diagram showing the external appearance of the packaging box conveyor line, the third cylinder, and the first push plate in this utility model. Figure 8 for Figure 2 A magnified view of a portion of region A in the middle.

[0017] Attached reference numerals: 1. Packaging box conveyor line; 2. Automatic box sealing machine; 3. Packaging box strapping machine; 4. Palletizing assembly; 5. Sandpaper packaging line; 51. Manual feeding station; 52. Sandpaper strapping machine; 53. Sandpaper feeding conveyor line; 54. Automatic cartoning machine; 55. Packaging box unloading conveyor line; 56. First packing station; 6. Packaging box sealing line; 61. First packaging box sealing machine; 62. First packaging box conveyor line; 63. Second packing station; 64. Packaging box moving station; 7. Paper box packaging line; 71. Paper box forming machine; 72. Second packaging box sealing machine; 73. Second packaging box conveyor line; 74. Third packing station; 8. Conveyor turntable assembly; 81. Middle 82. Conveyor line; 83. Servo stepper motor; 9. Rotary seat; 9. Sandpaper feeding assembly; 91. Lifting seat; 92. First cylinder; 93. First guide rod; 94. Second cylinder; 95. Mounting frame; 41. Palletizing robot; 42. Gripping module; 43. Pallet placement area; 10. Positioning assembly; 101. Third cylinder; 102. Second guide rod; 103. First push plate; 104. First proximity switch; 105. Limit plate; 11. Limiting assembly; 111. Fourth cylinder; 112. Second push plate; 113. Third guide rod; 114. Second proximity switch; 12. Guardrail; 13. Palletizing sensing module; 14. Sealing conveyor line. Detailed Implementation

[0018] like Figures 1-8As shown, this utility model provides an automated sandpaper packaging conveyor line, including a packaging box conveyor line 1. A packaging box strapping machine 3 is installed at one end of the packaging box conveyor line 1. An automatic box sealing machine 2 is installed at the end of the packaging box strapping machine 3 away from the packaging box conveyor line 1. A box sealing conveyor line 14 is installed on the side of the automatic box sealing machine 2 away from the packaging box strapping machine 3. A palletizing assembly 4 is installed at the end of the packaging box conveyor line 1 away from the packaging box strapping machine 3. A sandpaper packaging line 5 is installed at the end of the box sealing conveyor line 14 away from the automatic box sealing machine 2. The sandpaper packaging line 5 includes a manual feeding station 51, a sandpaper strapping machine 52, a sandpaper feeding conveyor line 53, an automatic cartoning machine 54, and packaging boxes. The system includes a material discharge conveyor line 55 and a first boxing station 56; a manual feeding station 51 is located at the end of the sealing conveyor line 14 away from the palletizing assembly 4; a sandpaper strapping machine 52 is located on one side of the manual feeding station 51; a sandpaper feeding conveyor line 53 is located at the output end of the sandpaper strapping machine 52; an automatic cartoning machine 54 is located at the end of the sandpaper feeding conveyor line 53 away from the sandpaper strapping machine 52; a packaging box discharge conveyor line 55 is located at the output end of the automatic cartoning machine 54; and a first boxing station 56 is located at the end of the sealing conveyor line 14 away from the automatic sealing machine 2.

[0019] In the specific implementation process, it is worth noting that through the cooperation between the packaging box conveyor line 1, the automatic box sealing machine 2, the packaging box strapping machine 3, the palletizing assembly 4, and the sealing conveyor line 14, the sandpaper that has been packaged is conveyed to the automatic box sealing machine 2 via the sealing conveyor line 14 for automatic sealing. The sandpaper strapping machine 52 then straps the packaging box, increasing its strength, preventing it from opening under stress, and improving its stability during storage and transportation. At the end of the packaging box conveyor line 1, the strapped boxes are stacked by a robot in the palletizing assembly 4. Workers at the manual feeding station 51 feed the sandpaper, which is then strapped by the sandpaper strapping machine 52 and automatically conveyed to the automatic cartoning machine 54 via the sandpaper feeding conveyor line 53 for automatic cartoning. The cartoned sandpaper is then conveyed to the first cartoning station 56 via the packaging box discharge conveyor line 55 for manual cartoning. The sandpaper packaging boxes are placed into the sealing conveyor line 14 for subsequent sealing and strapping operations. Through the cooperation between the packaging box conveyor line 1, automatic sealing machine 2, packaging box strapping machine 3, palletizing assembly 4, sandpaper packaging line 5, manual feeding station 51, sandpaper strapping machine 52, sandpaper feeding conveyor line 53, automatic cartoning machine 54, packaging box unloading conveyor line 55, first cartoning station 56, and sealing conveyor line 14, the sandpaper is manually fed, automatically strapped and boxed, and manually packed into boxes. Then, the packaging boxes are automatically sealed, strapped, and stacked. The sandpaper boxing, packing, and stacking operations can be completed by two workers, reducing the manpower required for sandpaper packaging and stacking, improving the consistency and production efficiency of sandpaper packaging, and reducing labor costs. The specific models of the automatic sealing machine 2, packaging box strapping machine 3, sandpaper strapping machine 52, and automatic cartoning machine 54 are not limited, as long as they meet the usage requirements.

[0020] In one feasible embodiment, a packaging box sealing line 6 is provided on one side of the packaging box discharge conveyor line 55; the packaging box sealing line 6 includes a first packaging box sealing machine 61, a first packaging box conveyor line 62, a second packing station 63, and a packaging box moving station 64; the packaging box moving station 64 is located on one side of the packaging box discharge conveyor line 55, and the first packaging box sealing machine 61 is located on the side of the packaging box moving station 64 away from the packaging box discharge conveyor line 55. The output end of the first packaging box sealing machine 61 is provided with the first packaging box conveyor line 62, and the first packaging box conveyor line 62 is located on one side of the sealing conveyor line 14. The second packing station 63 is located on one side of the first packaging box sealing machine 61.

[0021] In the specific implementation process, it is worth noting that the sandpaper that has been automatically boxed is conveyed through the packaging box discharge conveyor line 55. The employee at the packaging box moving station 64 puts the packaging box into the first packaging box sealing machine 61 for sealing. The sealed packaging box is then moved to the second packing station 63 through the first packaging box conveyor line 62 for packing. Then, the sandpaper packaging box containing the sealed packaging box is sealed, strapped, and stacked through the sealing conveyor line 14. This realizes the automatic boxing and sealing of sandpaper, which can improve the diversity of sandpaper packaging and the flexibility of the packaging process according to the actual situation of the enterprise. The specific model of the first packaging box sealing machine 61 is not limited, as long as it meets the usage requirements.

[0022] In one feasible embodiment, a carton packaging line 7 is located on the side of the manual feeding station 51 away from the sandpaper strapping machine 52; the carton packaging line 7 includes a carton forming machine 71, a second packaging box sealing machine 72, a second packaging box conveyor line 73, and a third packing station 74; the carton forming machine 71 is located on the side of the manual feeding station 51 away from the sandpaper strapping machine 52, the second packaging box sealing machine 72 is located on one side of the carton forming machine 71, the output end of the second packaging box sealing machine 72 is provided with a second packaging box conveyor line 73, the second packaging box conveyor line 73 is located on the side of the carton sealing conveyor line 14 away from the first packing station 56, and the third packing station 74 is located on one side of the second packaging box conveyor line 73.

[0023] In the specific implementation process, it is worth noting that the cardboard box forming machine 71 automatically forms the sandpaper packaging box. After the sandpaper is manually placed into the packaging box, the packaging box is conveyed to the second packaging box sealing machine 72 for sealing. The sealed packaging box is then moved to the third packing station 74 via the second packaging box conveyor line 73 for manual packing. Finally, the sealing conveyor line 14 seals, straps, and stacks the sandpaper packaging box containing the sealed packaging box, realizing the manual packing and sealing of sandpaper. This can meet different packaging needs according to the actual situation of the enterprise. The specific models of the cardboard box forming machine 71 and the second packaging box sealing machine 72 are not limited, as long as they meet the usage requirements.

[0024] In one feasible embodiment, a conveyor turntable assembly 8 is provided at the end of the sandpaper feeding conveyor line 53 away from the sandpaper belt tensioner 52; the conveyor turntable assembly 8 includes a transfer conveyor line 81, a servo stepper motor 82 and a rotating seat 83; the rotating seat 83 is located at the end of the sandpaper feeding conveyor line 53 away from the sandpaper belt tensioner 52, the transfer conveyor line 81 is installed on the top of the rotating seat 83, and the servo stepper motor 82 is provided at the bottom of the rotating seat 83.

[0025] In the specific implementation process, it is worth noting that after the sandpaper with the belt is completed, it moves to the end of the sandpaper feeding conveyor line 53 and is pushed to the top of the transfer conveyor line 81 by the pusher plate. The control system automatically controls the servo stepper motor 82 to drive the rotating seat 83 and the transfer conveyor line 81 to rotate 90 degrees, and starts the drive motor of the transfer conveyor line 81, so that the sandpaper located at the top of the transfer conveyor line 81 moves to the subsequent feeding component to realize the rotational transmission of the sandpaper. After the feeding is completed, the control system stops the drive motor of the transfer conveyor line 81 and drives the rotating seat 83 to reset. The specific model of the servo stepper motor 82 is not limited, as long as it meets the usage requirements.

[0026] In one feasible embodiment, the input end of the automatic cartoning machine 54 is provided with a sandpaper feeding assembly 9; the sandpaper feeding assembly 9 includes a lifting seat 91, a first cylinder 92, a first guide rod 93, a second cylinder 94, and a mounting frame 95; the mounting frame 95 is located on one side of the input end of the automatic cartoning machine 54, the lifting seat 91 is located below the mounting frame 95, the first cylinder 92 is mounted on the top of the mounting frame 95, the output end of the first cylinder 92 is fixedly connected to the lifting seat 91, the first guide rods 93 are provided on both sides of the top of the lifting seat 91, the first guide rods 93 are slidably connected to the mounting frame 95, and the second cylinder 94 is located at the bottom of the lifting seat 91.

[0027] In the specific implementation process, it is worth noting that the first guide rod 93 is used to improve the movement stability of the lifting seat 91. After the sandpaper after strapping is moved to the bottom of the lifting seat 91, the control system automatically controls the first cylinder 92 to drive the lifting seat 91 and the second cylinder 94 to move downward. At the same time, it controls the second cylinder 94 to push the sandpaper to the feeding conveyor line of the automatic boxing machine 54, so as to realize the automatic feeding of the strapped sandpaper. After the sandpaper feeding operation is completed, the first cylinder 92 and the second cylinder 94 automatically reset and wait for the next feeding operation. The specific models of the first cylinder 92 and the second cylinder 94 are not limited, as long as they meet the usage requirements.

[0028] In one feasible embodiment, the palletizing assembly 4 includes a palletizing robot 41, a gripping module 42, and a pallet placement area 43; the palletizing robot 41 is located at the end of the packaging box conveyor line 1, the output end of the palletizing robot 41 is provided with a gripping module 42, and pallet placement areas 43 are provided on both sides of the palletizing robot 41.

[0029] In the specific implementation process, it is worth noting that the operation of the palletizing robot 41 is automatically controlled by the control system, and the gripping module 42 is used to grip and control the sandpaper packaging boxes. The robot grabs the sandpaper packaging boxes one by one at the end of the packaging box conveyor line 1, and then stacks the sandpaper packaging boxes in the pallet placement area 43 in sequence through precise displacement calculation, thereby realizing the palletizing of the sandpaper packaging boxes. There are two pallet placement areas 43. When one pallet placement area 43 is completed, the palletizing robot 41 automatically switches to the other pallet placement area 43 for palletizing, and prompts the manual to take out the pallet after the palletizing is completed and place the empty pallet to wait for the subsequent palletizing by the palletizing robot 41. The specific models of the palletizing robot 41 and the gripping module 42 are not limited, as long as they meet the usage requirements.

[0030] In one feasible embodiment, a positioning component 10 is provided at the end of the packaging box conveyor line 1; the positioning component 10 includes a third cylinder 101, a second guide rod 102, a first push plate 103, a first proximity switch 104, and a limiting plate 105; two third cylinders 101 are provided, distributed on both sides of the end of the packaging box conveyor line 1, the output end of the third cylinder 101 is fixedly connected to the first push plate 103, the back sides of the first push plate 103 are provided with second guide rods 102, the side of the first push plate 103 away from the packaging box strapping machine 3 is provided with the first proximity switch 104, the first proximity switch 104 is fixedly connected to the packaging box conveyor line 1, and the limiting plate 105 is provided at the end of the packaging box conveyor line 1.

[0031] In the specific implementation process, it is worth noting that the second guide rod 102 is used to improve the stability of the first push plate 103 when it moves. After the packaging box is strapped, the packaging box is transported to the end of the packaging box conveyor line 1. At the palletizing position, the first proximity switch 104 is triggered. After receiving the trigger signal from the first proximity switch 104, the control system automatically controls the extension rod of the third cylinder 101 to extend, so that the first push plate 103 clamps and positions the packaging box at the palletizing position, ensuring the smooth progress of subsequent palletizing and gripping. The specific model of the first proximity switch 104 is not limited, as long as it meets the usage requirements.

[0032] In one feasible embodiment, a limit assembly 11 is provided at one end of the sealing conveyor line 14 near the automatic sealing machine 2; the limit assembly 11 includes a fourth cylinder 111, a second push plate 112, a third guide rod 113, and a second proximity switch 114; two fourth cylinders 111 are provided, distributed on both sides of the end of the sealing conveyor line 14, the output end of the fourth cylinder 111 is fixedly connected to the second push plate 112, the back sides of the second push plate 112 are provided with the third guide rod 113, and the second proximity switch 114 is provided on the side of the second push plate 112 away from the automatic sealing machine 2, and the second proximity switch 114 is fixedly connected to the sealing conveyor line 14.

[0033] In the specific implementation process, it is worth noting that the third guide rod 113 is used to improve the movement stability of the second push plate 112. When the sandpaper packaging box is transported to the end of the sealing conveyor line 14, the second proximity switch 114 is triggered. After receiving the trigger signal from the second proximity switch 114, the control system automatically controls the extension rod of the fourth cylinder 111 to extend, so that the second push plate 112 forms a clamp on both sides of the sandpaper packaging box, limiting the sandpaper packaging box. After the previous sandpaper packaging box completes the automatic sealing operation, the control system automatically releases the clamping limit on the sandpaper packaging box, so that the sandpaper packaging box to be sealed is transported to the automatic sealing machine 2 in an orderly manner. The specific model of the second proximity switch 114 is not limited, as long as it meets the usage requirements.

[0034] In one feasible embodiment, guardrails 12 are provided on the outside of the palletizing robot 41 and the pallet placement area 43.

[0035] In the specific implementation process, it is worth noting that the guardrail 12 is used to enclose the palletizing robot 41 and the pallet placement area 43 to improve the safety of palletizing packaging boxes.

[0036] In one feasible embodiment, palletizing sensing modules 13 are equidistantly arranged on the outer side of the pallet placement area 43.

[0037] In the specific implementation process, it is worth noting that the palletizing sensing module 13 is composed of multiple laser rangefinders, which are used to sense the stacking position and height of the sandpaper packaging boxes so that the palletizing robot 41 can automatically perform the palletizing operation of the packaging boxes. After the packaging boxes on one side are stacked, the control system automatically reminds the staff to take them out in time, and the palletizing robot 41 automatically switches to the stacking operation on the other side.

[0038] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. An automated sandpaper packaging conveyor line, comprising a packaging box conveyor line, characterized in that: A packaging box strapping machine is installed at one end of the packaging box conveyor line. An automatic box sealing machine is installed at the end of the packaging box strapping machine away from the packaging box conveyor line. A sealing conveyor line is installed on the side of the automatic box sealing machine away from the packaging box strapping machine. A palletizing assembly is installed at the end of the packaging box conveyor line away from the packaging box strapping machine. A sandpaper packaging line is installed at the end of the sealing conveyor line away from the automatic box sealing machine. The sandpaper packaging line includes a manual feeding station, a sandpaper belt machine, a sandpaper feeding conveyor line, an automatic cartoning machine, a packaging box discharging conveyor line, and a first boxing station; The manual feeding station is located at the end of the carton sealing conveyor line away from the palletizing components. A sandpaper strapping machine is located on one side of the manual feeding station. A sandpaper feeding conveyor line is located at the output end of the sandpaper strapping machine. An automatic cartoning machine is located at the end of the sandpaper feeding conveyor line away from the sandpaper strapping machine. A packaging box discharge conveyor line is located at the output end of the automatic cartoning machine. A first cartoning station is located at the end of the packaging box discharge conveyor line away from the automatic cartoning machine. The first cartoning station is located on the side of the carton sealing conveyor line away from the automatic carton sealing machine.

2. The automated sandpaper packaging and conveying line according to claim 1, characterized in that: A packaging box sealing line is provided on one side of the packaging box discharge conveyor line; The packaging box sealing line includes a first packaging box sealing machine, a first packaging box conveyor line, a second packing station, and a packaging box moving station; The packaging box moving station is located on one side of the packaging box discharge conveyor line. A first packaging box sealing machine is located on the side of the packaging box moving station away from the packaging box discharge conveyor line. A first packaging box conveyor line is located at the output end of the first packaging box sealing machine. The first packaging box conveyor line is located on one side of the box sealing conveyor line. A second packing station is located on one side of the first packaging box sealing machine.

3. The automated sandpaper packaging and conveying line according to claim 1, characterized in that: A cardboard box packaging line is set up on the side of the manual feeding station away from the sandpaper belt machine; The paper box packaging line includes a paper box forming machine, a second packaging box sealing machine, a second packaging box conveyor line, and a third packing station; The cardboard box forming machine is located on the side away from the sandpaper strapping machine at the manual feeding station. A second packaging box sealing machine is located on one side of the cardboard box forming machine. A second packaging box conveyor line is located at the output end of the second packaging box sealing machine. The second packaging box conveyor line is located on the side away from the first packing station of the carton sealing conveyor line. A third packing station is located on one side of the second packaging box conveyor line.

4. The automated sandpaper packaging and conveying line according to claim 1, characterized in that: The sandpaper feeding conveyor line is equipped with a conveyor turntable assembly at the end away from the sandpaper belt machine; The conveyor turntable assembly includes a transfer conveyor line, a servo stepper motor, and a rotary base; The rotating seat is located at the end of the sandpaper feeding conveyor line away from the sandpaper belt machine. A transfer conveyor line is installed on the top of the rotating seat, and a servo stepper motor is installed at the bottom of the rotating seat.

5. The automated sandpaper packaging and conveying line according to claim 1, characterized in that: The input end of the automatic cartoning machine is equipped with a sandpaper feeding component; The sandpaper feeding assembly includes a lifting seat, a first cylinder, a first guide rod, a second cylinder, and a mounting bracket; The mounting frame is located on one side of the input end of the automatic cartoning machine. A lifting seat is located below the mounting frame. A first cylinder is mounted on the top of the mounting frame. The output end of the first cylinder is fixedly connected to the lifting seat. A first guide rod is provided on both sides of the top of the lifting seat. The first guide rod is slidably connected to the mounting frame. A second cylinder is provided at the bottom of the lifting seat.

6. The automated sandpaper packaging and conveying line according to claim 1, characterized in that: The palletizing assembly includes a palletizing robot, a gripping module, and a pallet placement area; The palletizing robot is located at the end of the packaging box conveyor line. The output end of the palletizing robot is equipped with a gripping module, and pallet placement areas are provided on both sides of the palletizing robot.

7. The automated sandpaper packaging and conveying line according to claim 1, characterized in that: A positioning component is provided at the end of the packaging box conveyor line; The positioning assembly includes a third cylinder, a second guide rod, a first push plate, a first proximity switch, and a limit plate; Two third cylinders are provided, distributed on both sides of the end of the packaging box conveyor line. The output end of the third cylinder is fixedly connected to a first push plate. A second guide rod is provided on both sides of the back of the first push plate. A first proximity switch is provided on the side of the first push plate away from the packaging box strapping machine. The first proximity switch is fixedly connected to the packaging box conveyor line. The limiting plate is provided at the end of the packaging box conveyor line.

8. The automated sandpaper packaging and conveying line according to claim 1, characterized in that: A limit component is provided at one end of the carton sealing conveyor line near the automatic carton sealing machine; The limiting assembly includes a fourth cylinder, a second push plate, a third guide rod, and a second proximity switch; Two fourth cylinders are provided, distributed on both sides of the end of the sealing conveyor line. The output end of the fourth cylinder is fixedly connected to a second push plate. A third guide rod is provided on both sides of the back of the second push plate. A second proximity switch is provided on the side of the second push plate away from the automatic sealing machine. The second proximity switch is fixedly connected to the sealing conveyor line.

9. The automated sandpaper packaging and conveying line according to claim 6, characterized in that: The palletizing robot and the pallet placement area are equipped with guardrails.

10. The automated sandpaper packaging and conveying line according to claim 6, characterized in that: Palletizing sensing modules are equidistantly arranged on the outer side of the pallet placement area.

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