A roll-up type fully automatic palletizer

Abstract

The present invention discloses a rolling type full-automatic palletizer, which is applied in the technical field of palletizing. By setting up a sorting mechanism, after being powered on and started, the steering component can change the direction of the conveying component, facilitating the conveying component to transport the palletized goods to a designated position. The conveying component can convey the palletized goods in at most two directions, and when rotating with the steering component, it can drive the limiting component to move. The limiting component can support and limit the auxiliary component, and can also assist in limiting the movement of the palletized goods during transportation. The changing component can change the angle of the correcting component after being powered on, facilitating the correcting component to further sort the palletized goods, and facilitating the conveying of the palletized goods in at most four directions after the correcting component is unfolded. The correcting component can further sort the palletized goods and convey the palletized goods.

Description

Technical Field

[0001] The present invention belongs to the technical field of palletizing, and particularly relates to a rolling curtain type full-automatic palletizing machine. Background Art

[0002] The rolling curtain type palletizing machine can be integrated into any production line, providing intelligence, robotics, and networking for the production site, and can realize the palletizing logistics of various operations in the beer, beverage, and food industries, and is widely used in cartons, plastic boxes, bottles, bags, barrels, film-wrapped products, and filled products, etc.

[0003] Currently, Chinese Utility Model with the publication number of CN115123743B discloses a high-position full-automatic palletizing machine, which relates to the technical field of high-position palletizing, and includes a feeding component and a base. The feeding component includes a feeding seat, a rectangular hole is opened at the top of the feeding seat, and an adjusting component is fixedly connected in the rectangular hole. The adjusting component includes two guide rods fixedly connected in the rectangular hole, and the same adjusting seat is slidably connected to the arc-shaped outer walls of the two guide rods. In this invention, under the action of gravity, the balls in contact with the material bag are extruded, so that the slider moves downward along the connecting groove, stretching the first spring, and then the connecting block moves downward, driving the balls to contact the rubber plate, increasing the friction between the balls and the rubber plate. Then, the rubber plate is driven to rotate by the power component, and through the friction between the rubber plate and the balls, the balls are driven to rotate. Through the friction between the balls and the material bag, and in cooperation with the rotation of the support, the angle adjustment of the material bag is carried out.

[0004] The existing rolling curtain type full-automatic palletizing machine has the following disadvantages when in use:

[0005] 1. Lack of arrangement for the objects after palletizing the goods, reducing the stability of further arrangement of the palletizing;

[0006] 2. Lack of a structure for multi-directional and directional conveying of the arranged goods, reducing the conveying efficiency of the goods. Summary of the Invention

[0007] The purpose of the present invention is directed to an existing rolling curtain type full-automatic palletizing machine, and its advantages are:

[0008] 1. It has an arrangement for the objects after palletizing the goods, improving the stability of further arrangement of the palletizing;

[0009] 2. It has a structure for multi-directional and directional conveying of the arranged goods, improving the conveying efficiency of the goods.

[0010] The above technical object of the present invention is achieved through the following technical solutions: A roll-type full-automatic palletizer, including a palletizing mechanism and a sorting mechanism. The sorting mechanism is bolted to the top of the palletizing mechanism. The palletizing mechanism includes a base assembly, a moving assembly, and a conveying assembly. The moving assembly is bolted to the top of the base assembly, and the conveying assembly is bolted to the surface of the moving assembly. The sorting mechanism includes a steering assembly, a transporting assembly, a limiting assembly, an auxiliary assembly, a changing assembly, and a correcting assembly. The steering assembly is bolted to the top of the base assembly, the transporting assembly is bolted to the top of the steering assembly, the limiting assembly is bolted to the top of the base assembly, the inner wall of the limiting assembly is movably connected to the surface of the transporting assembly, the auxiliary assembly is bolted to the surface of the limiting assembly, the changing assembly is bolted to the front side, rear side, and both sides of the auxiliary assembly, and the correcting assembly is bolted to the top of the changing assembly.

[0011] By adopting the above technical solutions, through the setting of the palletizing mechanism and the sorting mechanism, the palletizing mechanism can support and limit the sorting mechanism, and is convenient for palletizing and sorting the goods to be sorted. The sorting mechanism can further sort the goods after palletizing and sorting, and can transport the goods to at most four different positions, so as to facilitate the transportation of the goods.

[0012] The present invention is further provided as: The base assembly includes a support base, a limiting groove, and a connecting base. The limiting groove is opened on the front side of the top of the support base, and the connecting base is bolted to the top of the support base.

[0013] By adopting the above technical solutions, through the setting of the base assembly, the support base can support and limit the limiting groove, the limiting groove can support and limit the sorting mechanism, and the connecting rod can increase the structural stability of the connection to the moving assembly.

[0014] The present invention is further provided as: The moving assembly includes a mounting base, a robotic arm body, and a connecting rod. The mounting base is bolted to the top of the support base, the robotic arm body is bolted to the top of the mounting base, and the connecting rod is bolted to the surface of the robotic arm body.

[0015] By adopting the above technical solutions, through the setting of the moving assembly, the mounting base can support and limit the robotic arm body. After the robotic arm body is powered on and started, it can move the connecting rod, and the connecting rod can support and limit the conveying assembly.

[0016] The present invention is further provided as: The conveying assembly includes a connecting plate, a support plate, and a roll-type palletizer body. The connecting plate is bolted to the bottom of the connecting rod, the support plate is bolted to the bottom of the connecting plate, and the roll-type palletizer body is bolted to the inside of the support plate.

[0017] With the above technical solution, by setting up the conveying component, the connecting plate can support and position the supporting plate, the supporting plate can support and position the roll - type palletizing machine body, and after the roll - type palletizing machine body is powered on and started, it can convey the goods to be palletized.

[0018] The present invention is further configured as: the steering component includes a limit base, a forward - reverse motor, and a rotating ring plate. The limit base is bolted to the inner side of the limit groove, the forward - reverse motor is bolted to the inner wall of the limit base, and the rotating ring plate is rotatably connected to the top of the forward - reverse motor.

[0019] With the above technical solution, by setting up the steering component, the limit base can support and position the forward - reverse motor. After the forward - reverse motor is powered on and started, it can rotate the conveying component, and the rotating ring plate can increase the stability of the conveying component during rotation.

[0020] The present invention is further configured as: the conveying component includes a turntable, an electric conveyor belt, and a conveying rotating rod. The turntable is bolted to the output end at the top of the forward - reverse motor. The bottom of the turntable contacts the top of the rotating ring plate. The electric conveyor belt is bolted to the top of the turntable, and the conveying rotating rod is rotatably connected to both sides of the top of the turntable.

[0021] With the above technical solution, by setting up the conveying component, the turntable can support and position the electric conveyor belt and can change the direction of the electric conveyor belt along with the forward - reverse motor. The electric conveyor belt can support the goods to be palletized and can convey the goods after being powered on and started. The conveying rotating rod can provide auxiliary support for the goods and increase the stability of the goods during movement.

[0022] The present invention is further configured as: the limiting component includes a limiting bottom plate, a limiting circular groove, and a rolling sliding ring. The limiting bottom plate is bolted to the top of the supporting base. The limiting circular groove is opened on the top of the limiting bottom plate. The rolling sliding ring is bolted to the inner wall of the limiting circular groove, and the inner wall of the rolling sliding ring contacts the surface of the turntable.

[0023] With the above technical solution, by setting up the limiting component, the limiting bottom plate can support and position the auxiliary component. The limiting circular groove can limit the movement of the turntable, and the rolling sliding ring can increase the stability of the turntable when rotating in the limiting circular groove.

[0024] The present invention is further configured as: the auxiliary component includes an auxiliary plate, an auxiliary groove, and an auxiliary roller. The auxiliary plate is bolted to the surface of the limiting bottom plate. The auxiliary groove is opened on the front side, rear side, and both sides of the auxiliary plate, and the auxiliary roller is rotatably connected to the inner wall of the auxiliary groove.

[0025] With the above technical solution, by setting the auxiliary components, the auxiliary plate can support and limit the auxiliary roller and the changing component, the auxiliary groove can limit the rotation of the auxiliary roller, and the auxiliary roller can assist in supporting the movement of the goods being transported.

[0026] The present invention is further configured as follows: The changing component includes a support cross bar, a servo motor, and a support longitudinal bar. The support cross bar is bolted to the side of the auxiliary plate away from the limit bottom plate. The servo motor is bolted to the surface of the support cross bar. The support longitudinal bar is rotatably connected to the surface of the support cross bar, and the side of the support longitudinal bar close to the servo motor is bolted to the output end of the servo motor.

[0027] With the above technical solution, by setting the changing component, the support cross bar can support and limit the servo motor. The servo motor can change the position of the support longitudinal bar after being powered on. The support longitudinal bar can change the position of the correction component along with the servo motor, facilitating further sorting and conveying of the goods after palletizing.

[0028] The present invention is further configured as follows: The correction component includes a correction rod, a drive motor, and a conveyor track. The correction rod is bolted to the top of the support longitudinal bar. The drive motor is bolted to the surface of the correction rod. The conveyor track is rotatably connected to the inside of the correction rod, and the part of the conveyor track close to the output end of the drive motor is bolted to the output end of the drive motor.

[0029] With the above technical solution, by setting the correction component, the correction rod can support and limit the drive motor and the conveyor track. The drive motor can drive the conveyor track after being powered on and started. The conveyor track is a conveying device with two rotating shafts and a track. When one of the rotating shafts rotates, it can drive the track to make the track move reciprocally and move the objects on the track.

[0030] In summary, the present invention has the following beneficial effects:

[0031] 1. By setting the palletizing mechanism, the base component can support and limit the moving component and the sorting mechanism. The moving component can move the position of the conveying component after being powered on and started. The conveying component can convey the goods to be palletized into the sorting mechanism for sorting and conveying after being powered on and started, facilitating the sorting mechanism to further sort the goods to be palletized.

[0032] 2. By setting up an organizing mechanism, after being powered on and started, the steering component can change the direction of the transporting component, facilitating the transporting component to convey the palletized goods to the designated position. The transporting component can convey the palletized goods in at most two directions, and when rotating with the steering component, it can drive the limiting component to move. The limiting component can support and limit the auxiliary component, and can also assist in limiting the movement of the palletized goods during transportation. The changing component can change the angle of the correcting component after being powered on, facilitating the correcting component to further organize the palletized goods, and facilitating the correcting component to convey the palletized goods in at most four directions after unfolding. The correcting component can further organize the palletized goods and convey the palletized goods. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0034] Figure 2 is a schematic diagram of the structure of the palletizing mechanism of the present invention;

[0035] Figure 3 is a schematic diagram of the structure of the base component and the moving component of the present invention;

[0036] Figure 4 is a schematic diagram of the structure of the conveying component of the present invention;

[0037] Figure 5 is a schematic diagram of the connection of the transporting component, the limiting component, the auxiliary component and the changing component of the present invention;

[0038] Figure 6 is a schematic diagram of the connection of the changing component and the correcting component of the present invention;

[0039] Figure 7 is a schematic diagram of the structure of the steering component and the transporting component of the present invention;

[0040] Figure 8 is a schematic diagram of the structure of the limiting component and the auxiliary component of the present invention;

[0041] Figure 9 is a schematic diagram of the structure of the changing component and the correcting component of the present invention.

[0042] Reference numerals: 1, palletizing mechanism; 101, base assembly; 1011, support base; 1012, limit groove; 1013, connecting base; 102, moving assembly; 1021, mounting base; 1022, robotic arm body; 1023, connecting rod; 103, conveying assembly; 1031, connecting plate; 1032, support plate; 1033, roll-type palletizer body; 2, sorting mechanism; 201, steering assembly; 2011, limit base; 2012, forward and reverse motor; 2013, rotating ring plate; 202, transporting assembly; 2021, turntable; 2022, electric conveyor belt; 2023, conveying rotating rod; 203, limiting assembly; 2031, limiting base plate; 2032, limiting circular groove; 2033, rolling slip ring; 204, auxiliary assembly; 2041, auxiliary plate; 2042, auxiliary groove; 2043, auxiliary roller; 205, changing assembly; 2051, support cross bar; 2052, servo motor; 2053, support vertical bar; 206, correction assembly; 2061, correction rod; 2062, drive motor; 2063, conveyor track. Detailed implementation mode

[0043] The present invention will be further described in detail below with reference to the accompanying drawings.

[0044] Embodiment 1:

[0045] Refer to Figures 1-4 , a roll-type fully automatic palletizer, including a palletizing mechanism 1, the palletizing mechanism 1 includes a base assembly 101, a moving assembly 102 and a conveying assembly 103, the moving assembly 102 is bolted to the top of the base assembly 101, and the conveying assembly 103 is bolted to the surface of the moving assembly 102. By setting the palletizing mechanism 1, the base assembly 101 can support and limit the moving assembly 102 and the sorting mechanism 2, the moving assembly 102 can move the position of the conveying assembly 103 after being powered on and started, and the conveying assembly 103 can convey the goods to be palletized into the sorting mechanism 2 for sorting and conveying after being powered on and started, facilitating the sorting mechanism 2 to further sort the goods to be palletized.

[0046] As Figure 3 shown, the base assembly 101 includes a support base 1011, a limit groove 1012 and a connecting base 1013, the limit groove 1012 is opened on the front side of the top of the support base 1011, and the connecting base 1013 is bolted to the top of the support base 1011. By setting the base assembly 101, the support base 1011 can support and limit the limit groove 1012, the limit groove 1012 can support and limit the sorting mechanism 2, and the connecting rod 1023 can increase the structural stability of the connection to the moving assembly 102.

[0047] As Figure 3As shown, the moving component 102 includes a mounting base 1021, a robotic arm body 1022, and a connecting rod 1023. The mounting base 1021 is bolted to the top of the support base 1011, the robotic arm body 1022 is bolted to the top of the mounting base 1021, and the connecting rod 1023 is bolted to the surface of the robotic arm body 1022. By providing the moving component 102, the mounting base 1021 can support and position the robotic arm body 1022. After being powered on and started, the robotic arm body 1022 can move the connecting rod 1023, and the connecting rod 1023 can support and position the conveying component 103.

[0048] As Figure 4 shown, the conveying component 103 includes a connecting plate 1031, a support plate 1032, and a roll-type palletizer body 1033. The connecting plate 1031 is bolted to the bottom of the connecting rod 1023, the support plate 1032 is bolted to the bottom of the connecting plate 1031, and the roll-type palletizer body 1033 is bolted to the inside of the support plate 1032. By providing the conveying component 103, the connecting plate 1031 can support and position the support plate 1032, the support plate 1032 can support and position the roll-type palletizer body 1033, and after being powered on and started, the roll-type palletizer body 1033 can convey the goods to be palletized.

[0049] Brief description of the usage process: First, after powering on the palletizing mechanism 1 and starting it, the robotic arm body 1022 will drive the connecting rod 1023 to move. The connecting rod 1023 will drive the connecting plate 1031 to move. The roll-type palletizer body 1033 will move along with the movement of the support plate 1032 and the connecting plate 1031 to the goods to be palletized. The roll-type palletizer body 1033 will transfer the goods to be palletized into the sorting mechanism 2 for storage until the sorting mechanism 2 completes the palletizing and sorting of the goods.

[0050] Embodiment 2:

[0051] Reference Figures 5-9, A roll-up type fully automatic palletizer, including a sorting mechanism 2, the sorting mechanism 2 is bolted to the top of the palletizing mechanism 1. The sorting mechanism 2 includes a steering component 201, a conveying component 202, a limiting component 203, an auxiliary component 204, a changing component 205 and a correcting component 206. The steering component 201 is bolted to the top of the base component 101, the conveying component 202 is bolted to the top of the steering component 201, the limiting component 203 is bolted to the top of the base component 101, and the inner wall of the limiting component 203 is movably connected to the surface of the conveying component 202. The auxiliary component 204 is bolted to the surface of the limiting component 203, the changing component 205 is bolted to the front side, rear side and both sides of the auxiliary component 204, and the correcting component 206 is bolted to the top of the changing component 205. By setting the sorting mechanism 2, after the steering component 201 is powered on and started, it can change the direction of the conveying component 202, facilitating the conveying component 202 to transport the palletized goods to the designated position. The conveying component 202 can convey the palletized goods in at most two directions, and when it rotates with the steering component 201, it can drive the limiting component 203 to move. The limiting component 203 can support and limit the auxiliary component 204, and can also assist in limiting the movement of the palletized goods during transportation. The changing component 205 can change the angle of the correcting component 206 after being powered on, facilitating the correcting component 206 to further sort the palletized goods, and also facilitating the correcting component 206 to convey the palletized goods in at most four directions after unfolding. The correcting component 206 can further sort the palletized goods and convey the palletized goods.

[0052] As Figure 7 shown, the steering component 201 includes a limiting base 2011, a forward and reverse motor 2012 and a rotating ring plate 2013. The limiting base 2011 is bolted to the inside of the limiting groove 1012, the forward and reverse motor 2012 is bolted to the inner wall of the limiting base 2011, and the rotating ring plate 2013 is rotatably connected to the top of the forward and reverse motor 2012. By setting the steering component 201, the limiting base 2011 can support and limit the forward and reverse motor 2012. After the forward and reverse motor 2012 is powered on and started, it can rotate the conveying component 202, and the rotating ring plate 2013 can increase the stability of the conveying component 202 during rotation.

[0053] As Figure 7As shown in the figure, the conveying assembly 202 includes a turntable 2021, an electric conveyor belt 2022, and a conveying rotating rod 2023. The turntable 2021 is bolted to the output end at the top of the forward and reverse motor 2012. The bottom of the turntable 2021 contacts the top of the rotating ring plate 2013. The electric conveyor belt 2022 is bolted to the top of the turntable 2021. The conveying rotating rod 2023 is rotatably connected to both sides of the top of the turntable 2021. By providing the conveying assembly 202, the turntable 2021 can support and limit the electric conveyor belt 2022, and can change the direction of the electric conveyor belt 2022 along with the forward and reverse motor 2012. The electric conveyor belt 2022 can support the goods to be palletized, and can convey the goods after being powered on and started. The conveying rotating rod 2023 can provide auxiliary support for the goods and increase the stability of the goods during movement.

[0054] As Figure 8 shown in the figure, the limiting assembly 203 includes a limiting bottom plate 2031, a limiting circular groove 2032, and a rolling sliding ring 2033. The limiting bottom plate 2031 is bolted to the top of the supporting base 1011. The limiting circular groove 2032 is opened on the top of the limiting bottom plate 2031. The rolling sliding ring 2033 is bolted to the inner wall of the limiting circular groove 2032. The inner wall of the rolling sliding ring 2033 contacts the surface of the turntable 2021. By providing the limiting assembly 203, the limiting bottom plate 2031 can support and limit the auxiliary assembly 204. The limiting circular groove 2032 can limit the movement of the turntable 2021. The rolling sliding ring 2033 can increase the stability of the turntable 2021 when it rotates in the limiting circular groove 2032.

[0055] As Figure 8 shown in the figure, the auxiliary assembly 204 includes an auxiliary plate 2041, an auxiliary groove 2042, and an auxiliary roller 2043. The auxiliary plate 2041 is bolted to the surface of the limiting bottom plate 2031. The auxiliary groove 2042 is opened on the front, rear, and both sides of the auxiliary plate 2041. The auxiliary roller 2043 is rotatably connected to the inner wall of the auxiliary groove 2042. By providing the auxiliary assembly 204, the auxiliary plate 2041 can support and limit the auxiliary roller 2043 and the changing assembly 205. The auxiliary groove 2042 can limit the rotation of the auxiliary roller 2043. The auxiliary roller 2043 can provide auxiliary support for the movement of the conveyed goods.

[0056] As Figure 9As shown in the figure, the changing component 205 includes a support crossbar 2051, a servo motor 2052, and a support vertical bar 2053. The support crossbar 2051 is bolted to the side of the auxiliary plate 2041 away from the limit bottom plate 2031. The servo motor 2052 is bolted to the surface of the support crossbar 2051. The support vertical bar 2053 is rotatably connected to the surface of the support crossbar 2051. One side of the support vertical bar 2053 close to the servo motor 2052 is bolted to the output end of the servo motor 2052. By setting the changing component 205, the support crossbar 2051 can support and limit the servo motor 2052. The servo motor 2052 can change the position of the support vertical bar 2053 after being powered on. The support vertical bar 2053 can change the position of the correction component 206 along with the servo motor 2052, facilitating the further sorting and conveying of the stacked goods.

[0057] As Figure 9 shown in the figure, the correction component 206 includes a correction rod 2061, a drive motor 2062, and a conveyor track 2063. The correction rod 2061 is bolted to the top of the support vertical bar 2053. The drive motor 2062 is bolted to the surface of the correction rod 2061. The conveyor track 2063 is rotatably connected to the inside of the correction rod 2061. One side of the conveyor track 2063 close to the output end of the drive motor 2062 is bolted to the output end of the drive motor 2062. By setting the correction component 206, the correction rod 2061 can support and limit the drive motor 2062 and the conveyor track 2063. The drive motor 2062 can drive the conveyor track 2063 after being powered on and started. The conveyor track 2063 is a conveying device with two rotating shafts and a track. When one of the rotating shafts rotates, the track can be driven to make the track move reciprocally to move the objects on the track.

[0058] Brief description of the usage process: First, power on and start the sorting mechanism 2. The servo motor 2052 will rotate the support vertical bar 2053 upward by 90 degrees until the conveyor belt contacts the stacked goods for sorting. Then, the servo motor 2052 will rotate the support vertical bar 2053 downward by 90 degrees until the correction rod 2061 is parallel to the ground. Then, the forward and reverse motor 2012 will drive the turntable 2021 to rotate. The turntable 2021 will rotate along the rotating ring plate 2013 and drive the electric conveyor belt 2022 to rotate. Until the electric conveyor belt 2022 rotates to the specified direction, the electric conveyor belt 2022 will convey the goods to the surface of the conveyor track 2063. The drive motor 2062 will drive the conveyor track 2063 to operate, and the conveyor track 2063 will drive the goods to move, thus completing the stacking, sorting, and conveying of the goods.

[0059] This specific embodiment is only an interpretation of the present invention and is not a limitation thereof. After reading this specification, those skilled in the art may make modifications to this embodiment that do not contribute creatively, but as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A roll-up type full-automatic palletizer, comprising a palletizing mechanism (1) and a sorting mechanism (2), characterized in that: The sorting mechanism (2) is bolted to the top of the palletizing mechanism (1). The palletizing mechanism (1) includes a base assembly (101), a moving assembly (102), and a conveying assembly (103). The moving assembly (102) is bolted to the top of the base assembly (101). The conveying assembly (103) is bolted to the surface of the moving assembly (102). The sorting mechanism (2) includes a steering assembly (201), a transporting assembly (202), a limiting assembly (203), an auxiliary assembly (204), a changing assembly (205), and a correcting assembly (206). The steering assembly (201) is bolted to the top of the base assembly (101). The transporting assembly (202) is bolted to the top of the steering assembly (201). The limiting assembly (203) is bolted to the top of the base assembly (101). The inner wall of the limiting assembly (203) is movably connected to the surface of the transporting assembly (202). The auxiliary assembly (204) is bolted to the surface of the limiting assembly (203). The changing assembly (205) is bolted to the front side, rear side, and both sides of the auxiliary assembly (204). The correcting assembly (206) is bolted to the top of the changing assembly (205); The base assembly (101) includes a support base (1011), a limiting groove (1012), and a connecting base (1013). The limiting groove (1012) is opened on the front side of the top of the support base (1011). The connecting base (1013) is bolted to the top of the support base (1011); The moving assembly (102) includes a mounting base (1021), a robotic arm body (1022), and a connecting rod (1023). The mounting base (1021) is bolted to the top of the support base (1011). The robotic arm body (1022) is bolted to the top of the mounting base (1021). The connecting rod (1023) is bolted to the surface of the robotic arm body (1022); The conveying assembly (103) includes a connecting plate (1031), a support plate (1032), and a roll-up palletizer body (1033). The connecting plate (1031) is bolted to the bottom of the connecting rod (1023). The support plate (1032) is bolted to the bottom of the connecting plate (1031). The roll-up palletizer body (1033) is bolted to the inside of the support plate (1032); The steering assembly (201) includes a limiting base (2011), a forward and reverse motor (2012), and a rotating ring plate (2013). The limiting base (2011) is bolted to the inside of the limiting groove (1012). The forward and reverse motor (2012) is bolted to the inner wall of the limiting base (2011). The rotating ring plate (2013) is rotatably connected to the top of the forward and reverse motor (2012); The conveying component (202) includes a turntable (2021), an electric conveyor belt (2022) and a conveying rotating rod (2023). The turntable (2021) is bolted to the output end at the top of the forward and reverse motor (2012). The bottom of the turntable (2021) contacts the top of the rotating ring plate (2013). The electric conveyor belt (2022) is bolted to the top of the turntable (2021). The conveying rotating rod (2023) is rotatably connected to both sides of the top of the turntable (2021). The limiting component (203) includes a limiting bottom plate (2031), a limiting circular groove (2032) and a rolling sliding ring (2033). The limiting bottom plate (2031) is bolted to the top of the supporting base (1011). The limiting circular groove (2032) is opened on the top of the limiting bottom plate (2031). The rolling sliding ring (2033) is bolted to the inner wall of the limiting circular groove (2032). The inner wall of the rolling sliding ring (2033) contacts the surface of the turntable (2021). The auxiliary component (204) includes an auxiliary plate (2041), an auxiliary groove (2042) and an auxiliary roller (2043). The auxiliary plate (2041) is bolted to the surface of the limiting bottom plate (2031). The auxiliary groove (2042) is opened on the front side, rear side and both sides of the auxiliary plate (2041). The auxiliary roller (2043) is rotatably connected to the inner wall of the auxiliary groove (2042). The changing component (205) includes a supporting cross bar (2051), a servo motor (2052) and a supporting longitudinal bar (2053). The supporting cross bar (2051) is bolted to the side of the auxiliary plate (2041) away from the limiting bottom plate (2031). The servo motor (2052) is bolted to the surface of the supporting cross bar (2051). The supporting longitudinal bar (2053) is rotatably connected to the surface of the supporting cross bar (2051). The side of the supporting longitudinal bar (2053) close to the servo motor (2052) is bolted to the output end of the servo motor (2052). The correcting component (206) includes a correcting rod (2061), a driving motor (2062) and a conveyor track (2063). The correcting rod (2061) is bolted to the top of the supporting longitudinal bar (2053). The driving motor (2062) is bolted to the surface of the correcting rod (2061). The conveyor track (2063) is rotatably connected to the inner side of the correcting rod (2061). The side of the conveyor track (2063) close to the output end of the driving motor (2062) is bolted to the output end of the driving motor (2062).

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