Automatic carton packaging and transporting production line

Abstract

The invention relates to the technical field of packaging and conveying devices, and discloses an automatic carton packaging and transporting production line which comprises a bearing seat, a conveying device used for conveying materials is arranged on the upper portion of the bearing seat, a packaging device used for packaging is arranged at one end of the bearing seat, and an inverted-U-shaped bearing frame located at the conveying tail end of the conveying device is arranged on the upper portion of the bearing seat. And a bearing supporting plate is arranged in the bearing frame. According to the carton board packaging device, carton boards are limited by the limiting unit to be conveyed to the bearing supporting plate on the conveying device, the carton boards are limited through the limiting strips, the bearing supporting plate gradually moves downwards through the first driving unit, and the carton boards stacked in order are pushed to the packaging device to be packaged through the pushing unit. The conveying and stacking efficiency of the carton boards is improved, meanwhile, the damage probability of the carton boards is reduced, automatic packaging and conveying of the carton boards are achieved, and the overall packaging and conveying efficiency of the carton boards is improved.

Description

Technical Field

[0001] The invention relates to the technical field of packaging and conveying devices, and in particular to an automatic packaging and transportation production line for cartons. Background Art

[0002] During the production process of cartons, the produced cartons need to be transported and stacked and packaged, which requires the use of packaging and transportation equipment.

[0003] In order to facilitate the transportation and packaging of cartons, the prior art has made improvements to the carton production, packaging and transportation production line. For example, the patent with patent publication number CN116198769A discloses an automated packaging and transportation line for carton production, which includes a loading and transportation part, a flipping and stacking part, a unloading part, a packaging part, a sorting part and a socket part. The loading and transportation part includes a transmission channel 1, and a pair of transmission wheel rows are arranged on the upper side of the transmission channel 1. The loading and transportation part transports a single carton board in sequence. A transmission channel 2 is vertically arranged at one end of the transmission channel 1. The horizontal height of the transmission channel 1 is higher than that of the transmission channel 2. The flipping and stacking part is arranged at the intersection of the transmission channel 1 and the transmission channel 2. The flipping and stacking part is used to sequentially receive the carton boards transmitted by the transmission channel 1, and flip them onto the transmission channel 2 to stack them to form a carton board group. The transmission channel 2 is used to transmit the carton board group to the sorting part; the sorting part includes a circular ring part. This invention realizes the automatic packaging and transportation function conveniently and efficiently.

[0004] The above patent has obvious beneficial effects, but still has the following shortcomings in actual operation:

[0005] In the above-mentioned comparative document, the carton boards are conveyed to the flip board, which flips the carton boards and drops them onto the second transmission channel again. The stacked carton boards are conveyed to the sorting section through the second transmission channel for sorting, and finally the sorted carton board groups are packaged. However, in reality, it takes a certain amount of time to flip the carton boards, so it is necessary to control the spacing between the carton boards on the conveying device to be larger, which reduces the efficiency of conveying the carton boards. At the same time, since the carton boards are light in weight and large in area, when they are flipped by the flip board, when the carton boards are flipped vertically, the carton The board will move downward freely due to gravity. Due to its light weight and air resistance, the carton board may be offset to a large extent when it is turned over. The carton board may even slide to the outside of the above-mentioned transmission channel 2, resulting in the carton boards being stacked in a disorderly manner. When a large number of carton boards are stacked together, the carton board in the middle position is subject to a larger friction coefficient. If the carton board group is pushed by the push plate in the above-mentioned comparative document, it may cause uneven folding of a carton board and damage the carton board. Therefore, this field is in urgent need of improving the automated carton packaging and transportation production line to solve the defects of the prior art. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides an automated carton packaging and transportation production line, which improves the overall efficiency and quality of carton board packaging and transportation.

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an automated carton packaging and transportation production line, comprising a bearing seat, a conveying device for conveying materials is provided on the upper portion of the bearing seat, a packaging device for packaging is provided at one end of the bearing seat, a bearing frame located at the conveying tail end of the conveying device and in an inverted U-shape is provided on the upper portion of the bearing seat, a bearing pallet is provided in the bearing frame, a first driving unit for intermittently moving the bearing pallet is provided on the upper portion of the bearing frame, limiting units for limiting the two sides of the materials are provided on both sides of the conveying device, one end of the limiting unit extends above the bearing pallet, a moving rod is provided on the upper portion of a side of the bearing frame away from the conveying device, a vertical limiting strip is inserted on the moving rod, a second driving unit for driving the moving rod to move along the bearing frame is provided on one side of the bearing frame, an adjusting unit for adjusting the spacing between the limiting strip and the bearing frame is provided on the moving rod, a pushing unit for pushing the materials on the bearing pallet to the conveying device is provided on the bearing frame, and a main controller for controlling and adjusting the overall device is provided on one side of the bearing frame.

[0008] Preferably, the first driving unit includes a first driving motor fixedly mounted on the upper part of the carrier frame, first sliding blocks are fixedly mounted on opposite sides of the carrier plate, first sliding grooves adapted to the first sliding blocks are opened on opposite side walls within the carrier frame, a first screw rod with an upper end extending to the outside is rotatably connected in the first sliding groove, the first screw rod passes through the first sliding block and is threadedly connected thereto, a transmission wheel is fixedly mounted on the side surface of the upper end of the first screw rod, a transmission belt for transmission is sleeved between the two side surfaces of the transmission wheels, and an output end of the first driving motor is connected to one of the ends of the first screw rod.

[0009] Preferably, the limiting unit includes two limiting plates with arc-shaped ends, and the opposite sides of the conveying device are provided with through openings adapted to the limiting plates. Two symmetrical first fixing plates are fixedly installed on the upper part of the conveying device, and a second driving motor is fixedly installed on one side of the first fixing plate. A second fixing plate is fixedly connected to the side surface of the limiting plate. A bidirectional screw rod with one end fixedly connected to the output end of the second driving motor is rotatably connected between the two first fixing plates, and the bidirectional screw rod penetrates the two second fixing plates and is threadedly connected thereto. When the bidirectional screw rod rotates, it drives the two second fixing plates to move toward or away from each other, and a limiting rod penetrating the two second fixing plates is fixedly connected between the two first fixing plates.

[0010] Preferably, the second driving unit includes a third driving motor fixedly mounted on one side of the supporting frame, a second sliding block is fixedly connected to one end of the moving rod, a second sliding groove adapted to the second sliding block is opened on one side of the supporting frame, a second screw rod having one end fixedly connected to the output end of the third driving motor is rotatably connected in the second sliding groove, and the second screw rod passes through the second sliding block and is threadedly connected to it.

[0011] Preferably, the adjustment unit includes an adjustment bolt that passes through and is threadedly connected to one end of the moving rod, the upper and lower sides of the moving rod are provided with moving grooves that are adapted to the limit bar, the opposite side walls in the moving groove are provided with adjustment grooves, a moving seat is slidably connected in the adjustment groove, the limit bar passes through the moving seat, one end of the adjusting bolt is rotatably connected to one side of the moving seat, and one side of the adjusting bolt is threadedly connected to a limit nut for limiting positioning.

[0012] Preferably, a positioning plate is fixedly connected to the bearing seat, and the positioning plate is adapted to the conveying device and the bearing pallet.

[0013] Preferably, the pushing unit includes a fourth driving motor fixedly mounted on one side of the supporting seat, the supporting seat is provided with a pushing seat, the lower end of the pushing seat is fixedly connected to a third sliding block, the supporting seat is provided with a third sliding groove adapted to the third sliding block, a third screw rod having one end fixedly connected to the output end of the fourth driving motor is rotatably connected in the third sliding groove, the third screw rod passes through the third sliding block and is threadedly connected thereto, the supporting seat is provided with a connecting rod fixedly connected to the pushing seat, and one end of the connecting rod is fixedly connected to a pushing plate passing through the positioning plate.

[0014] Preferably, a filling plate is fixedly mounted on the conveying tail of the conveying device, and the filling plate is adapted to the upwardly moved carrying pallet.

[0015] In view of the deficiencies of the prior art, the present invention provides an automatic carton packaging and transportation production line, which overcomes the deficiencies of the prior art. The beneficial effects of the present invention are:

[0016] 1. In the present invention, the carton boards are conveyed to the carrying pallet on the conveying device through the limitation of the limiting unit, the carton boards are limited by the limiting strips, the carrying pallet is gradually moved downward by the first driving unit, and the pushing unit pushes the neatly stacked carton boards to the packaging device for packaging. Through the above-mentioned settings, the efficiency of the carton boards during transportation and stacking is improved, while the probability of damage to the carton boards is reduced, and the automatic packaging and transportation of the carton boards is realized, thereby improving the overall efficiency of the packaging and transportation of the carton boards.

[0017] 2. In the present invention, the distance between the two arc-shaped limiting plates can be adjusted by the second driving motor, which is suitable for limiting and conveying carton boards of different widths, thereby improving the application range of the overall device.

[0018] 3. In the present invention, the distance between the limit bar and the load-bearing frame can be adjusted by adjusting the bolts, which is suitable for stacking carton boards of different lengths, further improving the application range of the device.

[0019] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures pointed out in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a structural schematic diagram of another viewing angle of the present invention as a whole;

[0023] Figure 3 It is a schematic diagram of the structure of the limit plate on the conveying device in the present invention;

[0024] Figure 4 It is a structural schematic diagram of the positioning plate in the present invention;

[0025] Figure 5 It is a structural schematic diagram of the push seat and the push plate in the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of the carrier frame and the carrier pallet in the present invention;

[0027] Figure 7 It is a structural schematic diagram of the moving rod in the present invention;

[0028] Figure 8 for Figure 3 The enlarged structural diagram at A in the middle;

[0029] Fig. 9 for Figure 6 The enlarged structural diagram at B in the middle;

[0030] Fig.10 for Figure 6 Enlarged structural diagram at point C in the middle.

[0031] In the figure: 1, bearing seat; 2, conveying device; 3, packaging device; 4, bearing frame; 5, bearing pallet; 6, first driving unit; 7, limiting unit; 8, moving rod; 9, limiting strip; 10, second driving unit; 11, adjusting unit; 12, pushing unit; 13, main controller; 14, first driving motor; 15, first sliding block; 16, first sliding groove; 17, first screw rod; 18, driving wheel; 19, driving belt; 20, limiting plate; 21, through-hole; 22, first fixing plate; 23, The second drive motor; 24, bidirectional screw; 25, second fixed plate; 26, limit rod; 27, third drive motor; 28, second sliding block; 29, second sliding groove; 30, second screw; 31, adjusting bolt; 32, moving groove; 33, adjusting groove; 34, moving seat; 35, limit nut; 36, fourth drive motor; 37, positioning plate; 38, pushing seat; 39, third sliding block; 40, third sliding groove; 41, third screw; 42, connecting rod; 43, push plate; 44, filling plate. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0033] See also Figure 1-Figure 10 , an automatic carton packaging and transportation production line comprises a bearing seat 1, a conveying device 2 for conveying materials is provided on the upper part of the bearing seat 1, a packaging device 3 for packaging is provided at one end of the bearing seat 1, a bearing frame 4 located at the conveying tail end of the conveying device 2 and in an inverted U shape is provided on the upper part of the bearing seat 1, a bearing pallet 5 is provided in the bearing frame 4, a first driving unit 6 for intermittently moving the bearing pallet 5 is provided on the upper part of the bearing frame 4, limiting units 7 for limiting the two sides of the materials are provided on both sides of the conveying device 2, one end of the limiting unit 7 extends above the bearing pallet 5, a moving rod 8 is provided on the upper part of the side of the bearing frame 4 away from the conveying device 2, a vertical limiting strip 9 is inserted on the moving rod 8, a second driving unit 10 for driving the moving rod 8 to move along the bearing frame 4 is provided on one side of the bearing frame 4, an adjusting unit 11 for adjusting the spacing between the limiting strip 9 and the bearing frame 4 is provided on the moving rod 8, a pushing unit 12 for pushing the materials on the bearing pallet 5 to the conveying device 2 is provided on the bearing frame 4, and a main controller 13 for controlling and adjusting the overall device is provided on one side of the bearing frame 4.

[0034] Specifically, after the carton board is produced, the carton board is conveyed through the conveying device 2, and the limit unit 7 is adjusted according to the width of the carton board, and the limit unit 7 is adjusted to match the carton board. When the carton board passes through the limit unit 7, its two sides are aligned with the limit unit 7 and are conveyed to the carrying pallet 5. The limit strip 9 is adjusted by the adjustment unit 11 according to the length of the carton board, and the carrying pallet 5 is driven to a position matching the upper side of the conveying device 2 and the limit unit 7 through the first drive unit 6. After a carton board is completely conveyed to the carrying pallet 5 through the conveying device 2, the carton board is sensed by a sensor or other sensing device, such as a surveillance camera in the prior art installed on the carrier 4 to detect it. When it is sensed that one side of the carton board is in contact with the limit strip 9, the main controller 13 controls the first drive unit 6 to start, and the first drive unit 6 drives the carrying pallet 5 to move down a certain distance. The downward movement distance of the support plate 5 driven by element 6 can be programmably controlled by the main controller 13, and so on. Multiple carton boards are conveyed to the support plate 5, and due to the cooperation of the limit unit 7 and the limit bar 9, several carton boards are stacked in an orderly state until the support plate 5 moves down to the upper part of the support seat 1 and is attached to it. At this time, the support plate 5 is adapted to the position of the packaging device 3, and the second driving unit 10 is started to drive the moving rod 8 to move away and disengage from the stacked carton boards. Subsequently, the pushing unit 12 is started to push the carton boards on the support plate 5 to the packaging device 3, and the packaging is carried out by the packaging device 3. Subsequently, the pushing unit 12 is retracted, and the support plate 5 is driven upward again by the first driving unit 6. Through the above-mentioned arrangement, the efficiency of the carton boards during transportation and stacking is improved, while the probability of damage to the carton boards is reduced, and the automatic packaging and transportation of the carton boards is realized, thereby improving the overall efficiency of the packaging and transportation of the carton boards.

[0035] As a technical optimization scheme of the present invention, the first driving unit 6 includes a first driving motor 14 fixedly installed on the upper part of the supporting frame 4, and the first sliding blocks 15 are fixedly installed on the opposite sides of the supporting pallet 5. The opposite side walls inside the supporting frame 4 are provided with first sliding grooves 16 adapted to the first sliding blocks 15. A first screw rod 17 extending from the upper end to the outside is rotatably connected in the first sliding groove 16. The first screw rod 17 passes through the first sliding block 15 and is threadedly connected thereto. A transmission wheel 18 is fixedly installed on the side surface of the upper end of the first screw rod 17, and a transmission belt 19 for transmission is sleeved between the sides of the two transmission wheels 18. The output end of the first driving motor 14 is connected to one of the ends of the first screw rod 17.

[0036] Specifically, when the position of the supporting pallet 5 needs to be adjusted, the first drive motor 14 is started, and the output end of the first drive motor 14 drives one of the first screw rods 17 to rotate, and the first screw rod 17 drives the transmission wheel 18 to rotate, and the transmission wheel 18 drives another transmission wheel 18 to rotate through the transmission belt 19. The two transmission wheels 18 simultaneously drive the two first screw rods 17 to rotate. When the first screw rod 17 rotates, it drives the first sliding block 15 to slide in the first sliding groove 16, and the two first sliding blocks 15 drive the supporting pallet 5 to move up and down in the supporting frame 4.

[0037] As a technical optimization scheme of the present invention, the limit unit 7 includes two limit plates 20 with arc-shaped ends, and the opposite sides of the conveying device 2 are provided with through holes 21 adapted to the limit plates 20. Two symmetrical first fixed plates 22 are fixedly installed on the upper part of the conveying device 2, and a second drive motor 23 is fixedly installed on one side of the first fixed plate 22. A second fixed plate 25 is fixedly connected to the upper side of the limit plate 20. A bidirectional screw rod 24 with one end fixedly connected to the output end of the second drive motor 23 is rotatably connected between the two first fixed plates 22. The bidirectional screw rod 24 penetrates the two second fixed plates 25 and is threadedly connected thereto. When the bidirectional screw rod 24 rotates, it drives the two second fixed plates 25 to move toward or away from each other. A limit rod 26 penetrating the two second fixed plates 25 is fixedly connected between the two first fixed plates 22.

[0038] Specifically, when the carton board is conveyed on the conveying device 2, the carton board is guided by the arc-shaped limit plates 20 at both ends, so that the carton board gradually moves between the two limit plates 20, and then the two sides of the carton board are limited to ensure that the position after it is conveyed to the carrying pallet 5 is aligned. When carton boards of different widths need to be conveyed, the second drive motor 23 can be started, and the output end of the second drive motor 23 drives the bidirectional screw rod 24 to rotate. The screw teeth on the side of the bidirectional screw rod 24 are facing and symmetrical. When the bidirectional screw rod 24 rotates, it drives the two second fixed plates 25 to move toward or away from each other, and the second fixed plate 25 drives the two limit plates 20 to move. At the same time, the second fixed plate 25 slides on the side of the limit rod 26, and the limit plate 20 is limited by the limit rod 26, so that carton boards of different widths can be limited and conveyed, thereby improving the application range of the overall device.

[0039] As a technical optimization solution of the present invention, the second drive unit 10 includes a third drive motor 27 fixedly mounted on one side of the carrier frame 4, a second sliding block 28 is fixedly connected to one end of the moving rod 8, a second sliding groove 29 adapted to the second sliding block 28 is opened on one side of the carrier frame 4, and a second screw rod 30 with one end fixedly connected to the output end of the third drive motor 27 is rotatably connected in the second sliding groove 29, and the second screw rod 30 passes through the second sliding block 28 and is threadedly connected to it.

[0040] Specifically, when the position of the movable rod 8 needs to be moved, the third drive motor 27 is started, and the output end of the third drive motor 27 drives the second screw rod 30 to rotate, and the second screw rod 30 drives the second sliding block 28 to slide in the second sliding groove 29, and the second sliding block 28 drives the movable rod 8 to move, thereby achieving the effect of moving the movable rod 8.

[0041] As a technical optimization solution of the present invention, the adjustment unit 11 includes an adjusting bolt 31 that passes through and is threadedly connected to one end of the moving rod 8. The moving rod 8 has moving grooves 32 that are adapted to the limiting strip 9 formed on the upper and lower sides. The moving grooves 32 have adjustment grooves 33 formed on the opposite side walls. A moving seat 34 is slidably connected to the adjusting groove 33. The limiting strip 9 passes through the moving seat 34. One end of the adjusting bolt 31 is rotatably connected to one side of the moving seat 34. A limiting nut 35 for limiting is threadedly connected to one side of the adjusting bolt 31.

[0042] Specifically, since the limit bar 9 passes through the movable groove 32 and the movable seat 34, when the supporting plate 5 moves up and down, the limit bar 9 will move up and down accordingly. When it is necessary to stack carton boards of different lengths, the position of the limit bar 9 can be adjusted by rotating the adjusting bolt 31. By rotating the adjusting bolt 31, the movable seat 34 is driven to slide in the adjusting groove 33 when the adjusting bolt 31 rotates, and the limit bar 9 moves in the movable groove 32, thereby adjusting the position of the limit bar 9. After adjustment, tighten the limit nut 35 to limit and fix the position of the adjusting bolt 31.

[0043] As a technical optimization scheme of the present invention, a positioning plate 37 is fixedly connected to the supporting seat 1, and the positioning plate 37 is adapted to the conveying device 2 and the supporting pallet 5. The pushing unit 12 includes a fourth driving motor 36 fixedly installed on one side of the supporting seat 1, and a pushing seat 38 is provided on the supporting seat 1. A third sliding block 39 is fixedly connected to the lower end of the pushing seat 38. A third sliding groove 40 adapted to the third sliding block 39 is opened on the supporting seat 1, and a third screw rod 41 with one end fixedly connected to the output end of the fourth driving motor 36 is rotatably connected in the third sliding groove 40. The third screw rod 41 passes through the third sliding block 39 and is threadedly connected thereto. A connecting rod 42 fixedly connected to the pushing seat 38 is provided on the supporting seat 1, and one end of the connecting rod 42 is fixedly connected to a pushing plate 43 passing through the positioning plate 37.

[0044] Specifically, the positioning plate 37 positions the side of the carton board away from the limiting strip 9. When the carton board stack on the carrying pallet 5 needs to be transferred to the packaging device 3, the fourth drive motor 36 is started, and the output end of the fourth drive motor 36 drives the third screw rod 41 to rotate. When the third screw rod 41 rotates, it drives the third sliding block 39 to slide in the third sliding groove 40. When the third sliding block 39 slides, it drives the pushing seat 38 and the connecting rod 42 to move. The connecting rod 42 drives the ejection plate 43 to move. The ejection plate 43 pushes the carton board stack on the carrying pallet 5 to the packaging device 3.

[0045] As a technical optimization solution of the present invention, a filling plate 44 is fixedly installed at the conveying tail of the conveying device 2, and the filling plate 44 is adapted to the load-bearing pallet 5 after being moved up. Since the end of the conveying device 2 is in an arc shape, there is a certain distance between the conveying device 2 and the load-bearing pallet 5, so this distance is filled by the filling plate 44 to prevent the carton board from getting stuck during the conveying process.

[0046] Among them, all the above-mentioned electrical products can be purchased on the market. They are mature technologies and have been fully disclosed, so they are not repeated in the specification. All the above-mentioned electrical products are equipped with power connection lines, and they are electrically connected to the external main controller 13 and 220V phase voltage (or 380V line voltage) through the power lines, and the main controller 13 can be a conventional known device such as a computer that plays a control role.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automated carton packaging and transportation production line, comprising a bearing seat (1), a conveying device (2) for conveying materials being provided on the upper part of the bearing seat (1), and a packaging device (3) for packaging being provided at one end of the bearing seat (1), characterized in that: The upper part of the bearing seat (1) is provided with a bearing frame (4) located at the conveying tail end of the conveying device (2) and in an inverted U shape, the bearing frame (4) is provided with a bearing pallet (5), the upper part of the bearing frame (4) is provided with a first driving unit (6) for intermittently moving the bearing pallet (5), the two sides of the conveying device (2) are provided with limiting units (7) for limiting the two sides of the material, one end of the limiting unit (7) extends to the upper part of the bearing pallet (5), the upper part of the side of the bearing frame (4) away from the conveying device (2) is provided with a moving rod (8), the moving rod (8) A vertical limit bar (9) is inserted on the moving rod (8); a second driving unit (10) for driving the moving rod (8) to move along the supporting frame (4) is provided on one side of the supporting frame (4); an adjusting unit (11) for adjusting the distance between the limit bar (9) and the supporting frame (4) is provided on the moving rod (8); a pushing unit (12) for pushing materials on the supporting plate (5) to the conveying device (2) is provided on the supporting frame (4); and a main controller (13) for controlling and adjusting the entire device is provided on one side of the supporting frame (4).

2. The carton automated packaging and transportation production line according to claim 1 is characterized in that: The first driving unit (6) comprises a first driving motor (14) fixedly mounted on the upper part of the carrier frame (4); first sliding blocks (15) are fixedly mounted on opposite sides of the carrier plate (5); first sliding grooves (16) adapted to the first sliding blocks (15) are provided on opposite side walls of the carrier frame (4); a first screw rod (17) whose upper end extends to the outside is rotatably connected in the first sliding groove (16); the first screw rod (17) passes through the first sliding block (15) and is threadedly connected thereto; a transmission wheel (18) is fixedly mounted on the side surface of the upper end of the first screw rod (17); a transmission belt (19) for transmission is sleeved between the sides of the two transmission wheels (18); and an output end of the first driving motor (14) is connected to one end of the first screw rod (17).

3. The carton automated packaging and transportation production line according to claim 1 is characterized in that: The limiting unit (7) comprises two limiting plates (20) with one end being arc-shaped, and opposite sides of the conveying device (2) are provided with through openings (21) adapted to the limiting plates (20), and two symmetrical first fixing plates (22) are fixedly installed on the upper part of the conveying device (2), and a second driving motor (23) is fixedly installed on one side of the first fixing plate (22), and a second fixing plate (25) is fixedly connected to the upper side of the limiting plate (20), and a bidirectional screw rod (24) having one end fixedly connected to the output end of the second driving motor (23) is rotatably connected between the two first fixing plates (22), and the bidirectional screw rod (24) passes through the two second fixing plates (25) and is threadedly connected thereto, and when the bidirectional screw rod (24) rotates, it drives the two second fixing plates (25) to move toward or away from each other, and a limiting rod (26) passing through the two second fixing plates (25) is fixedly connected between the two first fixing plates (22).

4. The carton automated packaging and transportation production line according to claim 1 is characterized in that: The second driving unit (10) comprises a third driving motor (27) fixedly mounted on one side of the supporting frame (4); one end of the moving rod (8) is fixedly connected to a second sliding block (28); one side of the supporting frame (4) is provided with a second sliding groove (29) adapted to the second sliding block (28); a second screw rod (30) having one end fixedly connected to an output end of the third driving motor (27) is rotatably connected in the second sliding groove (29); the second screw rod (30) passes through the second sliding block (28) and is threadedly connected thereto.

5. The carton automated packaging and transportation production line according to claim 1 is characterized in that: The adjustment unit (11) comprises an adjustment bolt (31) which passes through and is threadedly connected to one end of a moving rod (8); the moving rod (8) is provided with a moving groove (32) adapted to the limiting strip (9) through the upper and lower sides; the moving groove (32) is provided with an adjustment groove (33) on opposite side walls; a moving seat (34) is slidably connected to the adjusting groove (33); the limiting strip (9) passes through the moving seat (34); one end of the adjustment bolt (31) is rotatably connected to one side of the moving seat (34); and one side of the adjustment bolt (31) is threadedly connected to a limiting nut (35) for limiting.

6. The carton automated packaging and transportation production line according to claim 1, characterized in that: A positioning plate (37) is fixedly connected to the bearing seat (1), and the positioning plate (37) is adapted to the conveying device (2) and the bearing support plate (5).

7. The carton automated packaging and transportation production line according to claim 6, characterized in that: The pushing unit (12) comprises a fourth driving motor (36) fixedly mounted on one side of the bearing seat (1); a pushing seat (38) is provided on the bearing seat (1); a third sliding block (39) is fixedly connected to the lower end of the pushing seat (38); a third sliding groove (40) adapted to the third sliding block (39) is provided on the bearing seat (1); a third screw rod (41) having one end fixedly connected to the output end of the fourth driving motor (36) is rotatably connected in the third sliding groove (40); the third screw rod (41) passes through the third sliding block (39) and is threadedly connected thereto; a connecting rod (42) fixedly connected to the pushing seat (38) is provided on the bearing seat (1); one end of the connecting rod (42) is fixedly connected to a pushing plate (43) passing through the positioning plate (37).

8. The carton automated packaging and transportation production line according to claim 1, characterized in that: A filling plate (44) is fixedly mounted on the conveying tail of the conveying device (2), and the filling plate (44) is adapted to the upwardly moved carrying pallet (5).

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