An automatic palletizing mechanism

Abstract

This invention provides an automatic tray sorting and palletizing mechanism, belonging to the field of automated insulin pen assembly technology. It solves the problem of low efficiency caused by low automation in existing palletizing mechanisms. This automatic tray sorting and palletizing mechanism includes two parallel conveyor lines with opposite transmission directions. A transfer component is provided on one side of the same end of the two conveyor lines, capable of rotating the tray at the end of one conveyor line to the beginning of the other. A loading robot is provided on one side of the transfer component. A feeding component is provided on the conveyor line at the end of the other conveyor line to distribute the palletized trays one by one, and a palletizing component is provided on the conveyor line at the beginning of the other conveyor line to stack the trays one by one. This design achieves empty tray input and fully palletized tray output, resulting in a high degree of automation and significantly improved palletizing efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of automated assembly technology of insulin pens, and relates to a palletizing mechanism, and more particularly to an automatic tray-separating and palletizing mechanism. Background Technology

[0002] Pallet and tray stacking is common in daily production. Empty trays need to be stacked for storage or transfer, and full trays also need to be stacked and transferred to save space and transportation time. In actual production, empty trays need to be separated one by one, and material needs to be added to each empty tray to form a single full tray. Then, the single full trays are stacked to form a full pallet.

[0003] In existing technologies, both palletizing and stacking are operated using independent equipment. For example, the automatic pallet distribution station described in application number ZL202310844889.0 describes how to stack pallets, while the pallet supply device in application number ZL202010746724.6 supplies palletized pallets separately. The independent operation of such equipment requires manual intervention to move the separated empty pallets to the production line for loading, and then to transport the loaded individual pallets to the palletizing equipment for stacking, resulting in low overall processing efficiency. Summary of the Invention

[0004] The purpose of this invention is to address the aforementioned problems in existing technologies by proposing an automatic palletizing mechanism. It solves the technical problem of low material stacking efficiency caused by the low degree of automation in existing palletizing mechanisms.

[0005] The objective of this utility model can be achieved through the following technical solutions:

[0006] An automatic palletizing mechanism includes two parallel conveyor lines with opposite transmission directions. A transfer component is provided on one side of the same end of the two conveyor lines, which can rotate the pallet at the end of the conveyor line to the beginning of the other conveyor line. A loading robot is provided on one side of the transfer component. A feeding component is provided on the conveyor line at the end of the conveyor line, which divides the pallet into pallets one by one. A palletizing component is provided on the conveyor line at the beginning of the conveyor line, which stacks the pallets one by one.

[0007] Two conveyor lines and a transfer assembly form a loop layout. Empty trays are stacked at the feeding assembly, which separates the trays one by one and transfers them to the conveyor line. After passing the end of the conveyor line, the trays are pulled to the transfer assembly for loading. The full trays with material are then pulled to the palletizing assembly and transported there for stacking. Finally, the stacked full trays are output from the end of the conveyor line. This design achieves empty trays in and full trays out, resulting in a high degree of automation and significantly improved material stacking efficiency. The adjacent positions of the empty tray entry and full tray output facilitate transfer or integration with the production line layout.

[0008] In the above-mentioned automatic palletizing mechanism, each conveyor line includes two rotating conveyor belts. The two conveyor belts are arranged at intervals and have an installation area between them. The conveyor line in which the conveyor belt rotates in the direction of the transfer component is the palletizing conveyor line, and the conveyor line in which the conveyor belt rotates in the direction away from the transfer component is the palletizing conveyor line. The tail end of the palletizing conveyor line and the head end of the palletizing conveyor line are located on the same side, and the transfer component is located on this side.

[0009] This conveyor line includes two conveyor belts arranged at intervals. The bottom outer edge of the material tray rests against the two conveyor belts and can be moved horizontally by the conveyor belts. The main function of the transfer component is to connect the two conveyor lines. Therefore, the conveyor line that transports material trays towards the transfer component is the tray distribution conveyor line, which is used to transport empty material trays to the transfer component. The conveyor line that transports material trays away from the transfer component is the tray stacking conveyor line, which is used to transport full material trays stacked on the transfer component to the tray stacking component. This mechanism has a high degree of automation and greatly improves the stacking efficiency.

[0010] In the above-mentioned automatic tray sorting and palletizing mechanism, the feeding component includes a feeding base and a support bracket. The feeding base is located in the installation area of ​​the tray conveyor line and is connected to a drive cylinder that can drive it to move in the vertical direction. The support bracket is located on the side of the tray conveyor line and is connected to a drive member that can drive it to move towards the tray. The support bracket has a support part that can move up and down.

[0011] This feeding assembly includes a feeding base and a support bracket. The support bracket is used to hold the bottom tray and lift it upward to separate it from the bottom tray. After the bottom tray is transported away by the conveyor belt, the feeding base is raised to receive the tray that has been lifted above. This design can effectively prevent the pallets from tilting during stacking and ensures high stability when the trays are dropped.

[0012] In the aforementioned automatic tray-separating and palletizing mechanism, the support bracket has a claw that can move together with it toward the tray, and the height of the claw is slightly higher than the height of the top surface of the conveyor belt.

[0013] The claws move towards the material tray along with the support bracket to grip the outer edge of the bottommost material tray. The claws are on the upper side of the outer edge, so the support bracket can grip the outer edge of the next bottommost material tray. As the support bracket moves upward, it can lift and separate the next bottommost material tray from the bottommost material tray, thus realizing the automatic, stable and efficient separation and gripping of the material tray group.

[0014] In the above-mentioned automatic tray sorting and palletizing mechanism, the support bracket includes a base plate, on which two opposing cylinders are fixed. Each cylinder is connected to a connector, and each connector has a claw protruding towards the conveyor belt on its side. Each connector is also fixed with a second cylinder. The push rod of the second cylinder is vertically upward and has a support portion fixed on it. The two support portions are located on both sides of the width direction of the tray sorting conveyor line and can move towards the tray under the drive of the first cylinder.

[0015] When cylinder two is in the retracted state, the support and the claw can respectively hold the bottom edge of the sub-bottom material tray and the top edge of the bottom material tray. As cylinder two extends, it can drive the bottom material tray and the sub-bottom material tray to separate. This can ensure that the locked material trays are separated stably and efficiently, and improve the tray separation efficiency.

[0016] In the above-mentioned automatic palletizing mechanism, the palletizing assembly includes a palletizing base and a blocking component. The blocking component is located in the installation area of ​​the palletizing conveyor line. A cylinder is connected to the blocking component. The cylinder can drive the blocking component to lift upward and extend above the conveyor belt of the palletizing conveyor line to block the passing pallets. The palletizing base is located on the side of the blocking component near the transfer component. A palletizing cylinder that can control its upward lifting is connected to the palletizing base.

[0017] The code tray assembly also includes a code tray support frame, which includes a support plate. Two cylinders four facing each other are fixed on the support plate. Each cylinder four is connected to a connecting sheet metal, and each connecting sheet metal is fixed with a cylinder five. The push rod of the cylinder five is vertically upward and is fixed with a support limiting part. The two support limiting parts are located on both sides of the width direction of the code tray conveyor line and can move towards the material tray under the drive of the cylinder four.

[0018] This encoder assembly achieves stable and efficient stacking of material-filled trays through the coordinated operation of the encoder base, blocking components, and encoder support frame, resulting in high efficiency.

[0019] In the aforementioned automatic tray sorting and palletizing mechanism, the tray sorting conveyor line has a tray receiving station on one side of its tail end, and the palletizing conveyor line has a tray feeding station on one side of its head end. The transfer component includes a carrier capable of linear reciprocating motion along the tray receiving station and the tray feeding station.

[0020] The transfer component of this application is a carrier that can reciprocate between the receiving station and the feeding station, transferring empty trays onto the carrier, and the carrier supports the empty trays, so that the robot can stably and efficiently feed them.

[0021] In the above-mentioned automatic tray sorting and palletizing mechanism, the top of the carrier has a receiving platform, the outer edge of the receiving platform has a retaining edge and the retaining edge has a feeding port on the side facing the conveyor line, and a pusher is provided at the tray feeding station to push the trays on the carrier forward to the palletizing conveyor line.

[0022] In the above-mentioned automatic palletizing mechanism, the loading robot is located on one side of the carrier and can load the carriers at the receiving station one by one. A CCD vision detection element is provided above the receiving station to detect the empty status of the loading tray and the full status of the loading tray.

[0023] This application incorporates a CCD vision inspection element at the material receiving station. This element can detect whether the empty material tray is empty when it enters the carrier, and it can also detect whether the tray is completely full after the robot loads the material. This design effectively ensures that every empty space on the tray contains material, thus improving the accuracy of the equipment.

[0024] In the above-mentioned automatic tray sorting and palletizing mechanism, the tray sorting conveyor line has a tray sorting station, and the tray sorting conveyor line has an extended transmission section on the side of the tray sorting station near the first end. Both the extended transmission section and the tray sorting station are equipped with material blocking components, and the material feeding component is located at the tray sorting station.

[0025] The first end of the tray conveyor line has an extended transmission section, which allows workers or loading trolleys to place empty trays in advance for transport, thus improving tray loading efficiency.

[0026] As an additional method, the extended conveyor section can also be used in conjunction with the feeding component. Empty pallets can be placed one by one at the extended conveyor section and transported to the palletizing station by the conveyor belt. The feeding component can then be used to stack the pallets in reverse. When needed, the pallets can be transferred again. This reduces the difficulty of manually handling and stacking pallets, facilitates palletizing, and improves efficiency.

[0027] In the above-mentioned automatic palletizing mechanism, a lifting seat is provided at the end of the pallet transmission line. The lifting seat is located in the installation area of ​​the pallet transmission line. A cylinder is connected to the lifting seat, and the cylinder can drive the lifting seat to be vertically raised to a height above the transmission belt on the transmission line.

[0028] A lifting platform is installed at the end of the overall palletizing conveyor line to lift the palletized full material trays for docking with forklifts and other handling tools, which further improves efficiency.

[0029] Compared with existing technologies, the advantages of this product are as follows: empty trays are stacked at the feeding assembly, which separates the trays one by one and transports them to the conveyor line. After passing the end of the conveyor line, the trays are pulled to the transfer assembly for loading. The full trays with material are then pulled to the palletizing assembly and transported there for stacking. Finally, the stacked full trays are output from the end of the conveyor line. This design achieves empty trays in and stacked full trays out, resulting in a high degree of automation and a significant improvement in material stacking efficiency. Attached Figure Description

[0030] Figure 1 This is a side view of the present invention;

[0031] Figure 2 This is a top view of the present invention;

[0032] Figure 3 This is a side view of the feeding assembly of this utility model;

[0033] Figure 4 This is a side view of the encoder assembly of this utility model;

[0034] Figure 5 This is a side view of the transfer component of this utility model.

[0035] In the diagram: 1. Disk conveyor line; 11. Receiving station; 12. Disk separating station; 13. Extended transmission section; 14. Conveyor belt; 2. Stacking conveyor line; 21. Disk feeding station; 22. Stacking station; 3. Transfer assembly; 31. Carrier; 311. Receiving platform; 312. Stop; 313. Feed inlet; 32. Pusher; 33. Electric cylinder assembly; 34. Support frame; 4. Loading robot; 5. Unloading assembly; 51. Unloading base; 52. Support bracket 53. Base plate; 54. Drive cylinder; 55. Cylinder 1; 56. Connector; 57. Cylinder 2; 58. Support part; 59. Claw; 6. Encoder assembly; 61. Encoder base; 62. Blocking part; 63. Cylinder 3; 64. Encoder cylinder; 65. Encoder support frame; 651. Support limiting part; 66. Pallet; 67. Cylinder 4; 68. Connecting sheet metal; 69. Cylinder 5; 7. CCD vision inspection element; 8. Material stop; 9. Lifting seat. Detailed Implementation

[0036] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0037] Example 1

[0038] like Figures 1-5 The automatic palletizing mechanism shown includes two parallel conveyor lines with opposite transmission directions, referred to as palletizing conveyor line 1 and palletizing conveyor line 2. Both palletizing conveyor line 1 and palletizing conveyor line 2 include two rotating conveyor belts 14. The specific transmission parts of the conveyor belts 14 are existing mature technologies and will not be described in detail here. The palletizing conveyor line 1 has a palletizing station 12, and a material feeding assembly 5 is provided at the palletizing station 12. The encoder conveyor line 2 has an encoder station 22, at which an encoder assembly 6 is installed. Since the conveying directions of the tray distribution conveyor line 1 and the encoder conveyor line 2 are opposite, the tail end of the tray distribution conveyor line 1 is adjacent to the head end of the encoder conveyor line 2. At this location, there are a receiving station 11 and a feeding station 21. The receiving station 11 is located in the extension direction of the tail end of the tray distribution conveyor line 1, and the feeding station 21 is located in the extension direction of the head end of the encoder conveyor line 2. An electric cylinder assembly 33 is arranged in the arrangement direction of the receiving station 11 and the feeding station 21. The electric cylinder assembly 33 acts as a driving component, driving the transfer assembly 3 to reciprocate between the receiving station 11 and the feeding station 21 to transfer the trays. The specific structure of the transfer assembly 3 will be described in detail below. A loading robot 4 is installed on one side of the arrangement direction of the receiving station 11 and the feeding station 21. The loading robot 4 picks up materials and moves them to the material tray on the transfer assembly 3. At the same time, a CCD vision inspection element 7 is installed above the receiving station 11. The CCD vision inspection element 7 can detect whether there is no material in the tray when the empty tray enters the carrier 31, and can also detect again after the robot loads the tray to determine whether the tray is completely full. This design can effectively ensure that every empty space on the entire tray has material, improving the accuracy of the equipment. Two conveyor lines and transfer component 3 form a loop layout for tray separation, feeding, and stacking. By stacking empty trays at the feeding component 5, the feeding component 5 can separate the trays one by one and transfer them to the conveyor line. After passing the end of the conveyor line, the trays are pulled to the transfer component 3 for feeding. The full trays with material after feeding are pulled to the conveyor line where the stacking component 6 is located and are transported to the stacking component 6 for stacking. Finally, the stacked full trays are output from the end of the conveyor line. This design realizes empty trays in and stacked full trays out, with a high degree of automation and a significant improvement in stacking efficiency. The positions of empty tray entry and full tray output are adjacent, which facilitates transfer or docking with the production line layout.

[0039] The specific structure of the feeding assembly 5 is as follows: Each conveyor line includes two synchronously rotating conveyor belts 14, which are arranged at intervals and have an installation area between them. The feeding assembly 5 includes a feeding base 51 and a support bracket 52. The feeding base 51 is located at the installation area of ​​the tray conveyor line 1 and is connected to a drive cylinder 54 that can drive it to move in the vertical direction. The support bracket 52 is located on the side of the tray conveyor line 1 and is connected to a drive component that can drive it to move towards the tray. The support bracket 52 includes a base plate 53, on which two opposing cylinders 55 are fixed. The cylinders 55 are the aforementioned drive components. Each cylinder 55 is connected to a connector 56. Each connector 56 has a claw 59 protruding towards the conveyor belt on its side. The height of the claw 59 is slightly higher than the height of the top surface of the conveyor belt. Each connector 56 is fixed with a second cylinder 57. The push rod of the second cylinder 57 is vertically upward and a support part 58 is fixed on it. The support part 58 is a corner block structure designed to conform to the edge of the material tray. The two support parts 58 are located on both sides of the width direction of the tray conveyor line 1 and can move towards the material tray under the drive of the first cylinder 55. The support part 58 on the support bracket 52 is used to hold the second bottom material tray and lift it upward to separate it from the bottom material tray. After the bottom material tray is transported away by the conveyor belt 14, the material release base 51 is raised to receive the raised material tray above. This design can effectively prevent the stacked material trays from tilting to the side. When cylinder 2 57 is in the retracted state, the support part 58 and the claw 59 can respectively grab the bottom edge of the sub-bottom material tray and the top edge of the bottom material tray. As cylinder 2 57 extends, it can drive the bottom material tray and the sub-bottom material tray to separate. This can ensure that the clamped material trays are separated stably and efficiently, and improve the tray separation efficiency.

[0040] The specific structure of the encoder assembly 6 is as follows: The encoder assembly 6 includes an encoder base 61 and a blocking member 62. The blocking member 62 is located in the installation area of ​​the encoder conveyor line 2. A cylinder 63 is connected to the blocking member 62. The cylinder 63 can drive the blocking member 62 to lift upwards and extend above the conveyor belt 14 of the encoder conveyor line 2 to block the passing encoder. The encoder base 61 is located on the side of the blocking member 62 near the transfer assembly 3. An encoder cylinder 64 that can control its upward lifting is connected to the encoder base 61. Component 6 also includes a code tray support 65, which includes a support plate 66. Two opposing cylinders 67 are fixed on the support plate 66. Each cylinder 67 is connected to a connecting sheet metal 68. Each connecting sheet metal 68 is fixed with a cylinder 69. The push rod of the cylinder 69 is vertically upward and is fixed with a support limiting part 651. The two support limiting parts 651 are located on both sides of the width direction of the code tray conveyor line 2 and can move towards the material tray under the drive of the cylinders 67. The pallet base 61 lifts the conveyed pallets. During palletizing, the blocking member 62 rises to prevent subsequent pallets from interfering with the palletizing process. After the pallet is lifted, the support limiting part 651 on the palletizing support frame approaches the pallet and locks its bottom. Then, the pallet base 61 and the blocking member 62 descend, and the next pallet enters the palletizing station 22. The pallet base 61 rises to engage with the previously lifted pallet, the support limiting part 651 moves outward and descends to lock the bottom edge of the bottom pallet, and then rises again. This cycle is repeated for palletizing. Finally, the pallet group after palletizing falls onto the pallet base 61, and the pallet base 61 descends to contact the conveyor belt and is transported towards the tail end. A lifting seat 9 is designed at the tail end, located in the installation area of ​​the pallet conveyor line 2. A cylinder six is ​​connected to the lifting seat 9, which can drive the lifting seat 9 to rise vertically to a height above the conveyor belt 14 on the conveyor line. The pallets filled with stacked materials are lifted to allow for docking with forklifts and other handling equipment, which further improves efficiency.

[0041] The specific structure of the transfer component 3 and the carrier 31 is as follows: The carrier 31 is a square structure slightly larger than the size of the material tray. The top of the carrier 31 has a receiving platform 311. The outer edge of the receiving platform 311 has a retaining edge 312 in three directions. The outer edge facing the conveyor line is an open feed port 313. The carrier 31 is set on the slider of the electric cylinder assembly 33 and is driven by the electric cylinder assembly 33 to move between the receiving station 11 and the feeding station 21. A pusher plate is set at the installation area at the end of the tray conveyor line 1. The pusher plate is installed on the screw motor assembly and can be driven by the screw motor assembly to move along the transmission direction of the tray conveyor line 1. The pusher plate is connected to the screw motor assembly through a cylinder. It can be driven by the cylinder to extend upward and form a blocking relationship with the material tray. After forming a blocking relationship, the screw motor assembly drives the material tray to enter the carrier 31 from the feed port 313 of the carrier 31. It should be noted that the pusher plate and lead screw motor assembly on the tray conveyor line 1 are both installed in the installation area. Similarly, a pusher 32 is provided at the tray feeding station 21. The pusher 32 is also installed on another lead screw motor assembly. The lead screw motor assembly drives the pusher 32 to push the tray on the carrier 31 from the receiving station 11 toward the tray conveyor line 2 so that it enters the conveyor line for transmission. This design can improve the efficiency of tray transmission within the mechanism, avoid the phenomenon of poor power connection at the connection of various components, and improve the stability and efficiency of the overall mechanism operation. Preferably, a positioning bracket is also involved at the receiving station 11. The positioning bracket has a pair of symmetrically arranged support parts 34. The support parts 34 can be lowered to the same height as the tray under the drive of the vertical cylinder and pushed against the side of the tray under the drive of the horizontal cylinder, making the robot arm 4 more stable when loading, thus improving the loading efficiency.

[0042] Furthermore, the tray-separating conveyor line 1 has a tray-separating station 12. An extended transmission section 13 is located on the side of the tray-separating station 12 near its starting end; the extended transmission section 13 is an extension of the tray-separating conveyor line 1. Both the extended transmission section 13 and the tray-separating station 12 are equipped with material stoppers 8, and a material discharge assembly 5 is located at the tray-separating station 12. The extended transmission section 13 at the starting end of the tray-separating conveyor line 1 allows workers or loading trolleys to pre-place empty trays for transport, improving tray loading efficiency.

[0043] Example 2

[0044] This embodiment illustrates another way of using the extended conveyor section 13 and the stopper 8. The other structures in this embodiment are basically the same as in Embodiment 1, except that: the tray-separating conveyor line 1 has a tray-separating station 12, and an extended conveyor section 13 is located on the side of the tray-separating station 12 near its starting end. The extended conveyor section 13 is essentially an extended end of the tray-separating conveyor line 1. Both the extended conveyor section 13 and the tray-separating station 12 are equipped with stoppers 8, and the feeding assembly 5 is located at the tray-separating station 12. The extended conveyor section 13 can also be used in conjunction with the feeding assembly 5. Empty trays can be placed one by one at the extended conveyor section 13 and transported to the tray-separating station 12 by the conveyor belt 14. The feeding assembly 5 then performs reverse operation for stacking and palletizing. When needed, the trays are then separated and transported again. This reduces the difficulty of manually handling and stacking trays, facilitates stacking, and improves efficiency.

[0045] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. An automatic palletizing mechanism, comprising two parallel conveyor lines with opposite transport directions, characterized in that, A transfer component (3) capable of rotating a material tray at the tail end of one conveyor line to the head end of another conveyor line is provided on one side of the same end of the two conveyor lines, and a loading robot (4) is provided on one side of the transfer component (3). A feeding component (5) for distributing the palletized material trays one by one is provided on the conveyor line where the tail end is located, and a palletizing component (6) for stacking the material trays one by one is provided on the conveyor line where the head end is located.

2. The automatic palletizing mechanism according to claim 1, characterized in that, Each conveyor line includes two rotating conveyor belts (14) arranged at intervals and having an installation area therebetween. The conveyor line in which the conveyor belts (14) rotate in the direction of the transfer assembly (3) is the disc conveyor line (1), and the conveyor line in which the conveyor belts rotate in the direction away from the transfer assembly (3) is the code disc conveyor line (2). The tail end of the disc conveyor line (1) and the head end of the code disc conveyor line (2) are located on the same side and the transfer assembly (3) is located on this side.

3. The automatic palletizing mechanism according to claim 2, characterized in that, The feeding assembly (5) includes a feeding base (51) and a support bracket (52). The feeding base (51) is located in the installation area of ​​the tray conveyor line (1) and a drive cylinder (54) is connected to the feeding base (51) to drive it to move in the vertical direction. The support bracket (52) is located on the side of the tray conveyor line (1) and a drive member is connected to the support bracket (52) to drive it to move towards the tray. The support bracket (52) has a support part (58) that can move up and down.

4. An automatic palletizing mechanism according to claim 3, characterized in that, The support bracket (52) has a claw (59) that can move together with it toward the material tray. The height of the claw (59) is slightly higher than the height of the top surface of the conveyor belt.

5. An automatic palletizing mechanism according to claim 4, characterized in that, The support bracket (52) includes a base plate (53). The driving component consists of two cylinders (55) fixed on the base plate (53) and facing each other. Each cylinder (55) is connected to a connector (56), and each connector (56) is fixed to a cylinder (57). The push rod of the cylinder (57) is set vertically upward and a support part (58) is fixed on it. The two support parts (58) are located on both sides of the width direction of the tray conveyor line (1) and can move towards the tray under the drive of the cylinder (55).

6. An automatic palletizing mechanism according to claim 2, characterized in that, The code disk assembly (6) includes a code disk base (61) and a blocking member (62). The blocking member (62) is located in the installation area of ​​the code disk conveyor line (2). A cylinder (63) is connected to the blocking member (62). The cylinder (63) can drive the blocking member (62) to lift upwards and extend above the conveyor belt (14) of the code disk conveyor line (2) to block the passing material disk. The code disk base (61) is located on the side of the blocking member (62) close to the transfer assembly (3). A code disk cylinder (64) that can control its upward lifting is connected to the code disk base (61). The code disk assembly (6) also includes a code disk support frame (65), which includes a support plate (66). Two opposing cylinders (67) are fixed on the support plate (66). Each cylinder (67) is connected to a connecting sheet metal (68), and each connecting sheet metal (68) is fixed with a cylinder (69). The push rod of the cylinder (69) is vertically upward and is fixed with a support limiting part (651). The two support limiting parts (651) are located on both sides of the width direction of the code disk conveyor line (2) and can move towards the material disk under the drive of the cylinders (67).

7. An automatic palletizing mechanism according to any one of claims 2-6, characterized in that, The tray conveyor line (1) has a tray receiving station (11) on one side of its tail end, and the tray conveyor line (2) has a tray delivery station (21) on one side of its head end. The transfer assembly (3) includes a carrier (31) that can make linear reciprocating motion along the tray receiving station (11) and the tray delivery station (21).

8. An automatic palletizing mechanism according to claim 7, characterized in that, The top of the carrier (31) has a receiving platform (311), the outer edge of the receiving platform (311) has a retaining edge (312), and the retaining edge (312) has a feed inlet (313) on the side facing the conveyor line. A pusher (32) is provided at the tray feeding station (21) to push the tray on the carrier (31) forward to the tray conveyor line (2).

9. An automatic palletizing mechanism according to claim 7, characterized in that, The loading robot (4) is set on one side of the carrier (31) and can load the carrier (31) at the receiving station (11) one by one. A CCD vision detection element (7) is set above the receiving station (11) to detect the empty tray when loading and the full tray when loading.

10. An automatic palletizing mechanism according to claim 9, characterized in that, The sorting conveyor line (1) has a sorting station (12). The sorting conveyor line (1) has an extended transmission section (13) on the side of the sorting station (12) near the head end. Both the extended transmission section (13) and the sorting station (12) are equipped with a material stop (8). The material feeding component (5) is located at the sorting station (12).

11. An automatic palletizing mechanism according to claim 9, characterized in that, A lifting seat (9) is provided at the end of the code disk conveyor line (2). The lifting seat (9) is located in the installation area of ​​the code disk conveyor line (2). A cylinder six is ​​connected to the lifting seat (9). The cylinder six can drive the lifting seat (9) to be vertically raised to a height higher than that of the conveyor belt (14) on the transmission line.

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