Direct-drive roller turning module and tray conveying line

Abstract

The utility model relates to the technical field of material transportation, and discloses a direct-drive roller turning module and a tray conveying line. The direct-drive roller turning module comprises a conveying platform; the direct-drive rolling wheels comprise independently arranged motors, and the direct-drive rolling wheels are arranged in the conveying direction and at least arranged on the inner side and the outer side of the conveying platform respectively; the detection assembly is arranged on the conveying platform and used for detecting the position of the tray and generating a corresponding position signal; and the control assembly is in driving connection with the motor of each direct-drive roller, is connected with the detection assembly, and is used for controlling the rotation of the corresponding direct-drive roller according to the position signal. The tray conveying line comprises a direct-drive roller turning module. According to the utility model, the steering of the tray can be accurately controlled, the transportation transition connection is smooth, and the abrasion degree of the direct-drive rollers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to material transportation technical field, concretely relates to a kind of direct drive roller turning module and tray conveying line. BACKGROUND

[0002] The tray conveying device transports workpieces and the like placed on a plurality of trays by circulating the trays on a track-shaped path. For the tray conveying device, the stability of the trays during transportation is extremely critical for the safe transportation of goods and the normal operation of the equipment.

[0003] Currently, most of the turning modules of the conveying equipment usually adopt different speeds of the inner and outer rings to achieve smooth turning of the trays. Although the basic turning operation of the trays at the curve can be realized, due to the two fixed speeds of the inner and outer rings and the limitation of the power transmission structure, the turning fluency is not good enough to meet the requirements of stable and efficient logistics conveying operations. Under this mode, the trays are prone to jam at the turning, which causes the goods to shake during transportation, increases the risk of damage to the goods, and may cause structural damage to the conveying equipment due to frequent impact and vibration, reduces the service life of the equipment, and further affects the reliability and economy of the entire logistics conveying chain. SUMMARY

[0004] To solve the deficiencies of the prior art, the utility model provides a direct drive roller turning module and tray conveying line, which can improve the stability of the tray during turning.

[0005] The technical effects achieved by the utility model are realized through the following aspects:

[0006] In a first aspect, the utility model provides a direct drive roller turning module, comprising:

[0007] A conveying platform;

[0008] Direct drive rollers including independently arranged motors, the direct drive rollers are arranged along the conveying direction and are at least respectively arranged on the inner side and the outer side of the conveying platform;

[0009] A detection assembly arranged on the conveying platform for detecting the position of the tray and generating a corresponding position signal; and

[0010] A control assembly drivingly connected between the motor of each direct drive roller and connected with the detection assembly for controlling the rotation of the corresponding direct drive roller according to the position signal.

[0011] In some implementations, the conveying platform includes an entry transition section, a turning section and an exit transition section arranged in sequence;

[0012] The control assembly controls the direct-drive rollers on the entry transition section, the turning section and the exit transition section in sections.

[0013] In some implementations, the detection assembly includes a first sensor, a second sensor and a third sensor, the first sensor is arranged at the entry transition section, the second sensor is arranged at the turning section, and the third sensor is arranged at the exit transition section.

[0014] In some implementations, the first sensor is arranged at the joint of the entry transition section and the turning section, the second sensor is arranged at the middle of the turning section, and the third sensor is arranged at the joint of the exit transition section and the turning section.

[0015] In some implementations, the direct-drive rollers are also arranged at the middle of the conveying platform.

[0016] In some implementations, the motor is an outer rotor motor, and the rotor of the outer rotor motor is arranged as a roller for carrying a tray.

[0017] In some implementations, the direct-drive roller further includes a quick plug interface arranged on the rotating shaft of the outer rotor motor.

[0018] The control assembly is electrically connected with the outer rotor motor through the quick plug interface.

[0019] In some implementations, the conveying platform is arranged with a plurality of supports in the conveying direction, and the direct-drive rollers are detachably mounted on the supports.

[0020] In some implementations, the inner side and the outer side of the conveying platform are respectively formed by two arc-shaped cross beams, and a guide strip is arranged on the opposite inner side edges of the two arc-shaped cross beams.

[0021] In the second aspect, the utility model provides a tray conveying line, which comprises the direct-drive roller turning module according to any of the above implementations.

[0022] In summary, the utility model has at least the following advantages:

[0023] The utility model provides a kind of direct drive roller turning module and tray conveying line, pass through detection component detection and feedback signal, control component issues control instruction to each direct drive roller, direct drive roller has independently arranged motor, control component can realize the rotation speed of direct drive roller in any position on conveying platform to control it separately, utilize the speed difference size of the direct drive roller of inner and outer ring both sides, make direct drive roller turning module under different turning angles, tray steering can be accurately controlled and its transportation transition is smooth, improve the stability of tray steering in the transportation process of direct drive roller module, reduce the wear degree of direct drive roller. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the direct drive roller turning module structure schematic view of the utility model embodiment 1.

[0025] Figure 2 It is the direct drive roller turning module connection schematic view of the utility model embodiment 1.

[0026] Figure 3 It is the direct drive roller structure schematic view of the utility model embodiment 2.

[0027] Figure 4 It is the direct drive roller turning module structure schematic view of the utility model embodiment 2.

[0028] Figure 5 It is the direct drive roller turning module structure schematic view of the utility model embodiment 3.

[0029] Figure 6 It is the direct drive roller turning module structure schematic view of the utility model embodiment 3. Figure 5 It is the enlarged schematic view of part A of the utility model embodiment 3.

[0030] Figure 7 It is the structure schematic view of another implementation of the utility model embodiment 3 direct drive roller turning module.

[0031] Figure 8 It is the tray conveying line local structure schematic view of the utility model embodiment 4.

[0032] Mark in drawing:

[0033] 100, tray conveying line;1, conveying platform;11, support;12, inlet transition section;13, turning section;14, outlet transition section;2, direct drive roller;21, outer rotor motor;22, quick connector;3, detection component;31, first sensor;32, second sensor;33, third sensor;4, control component;5, arc crossbeam;51, guide strip. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. The described embodiments are part of the embodiments of the present application, but not all the embodiments.

[0035] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0036] Embodiment 1

[0037] Please refer to the accompanying Figure 1 and Figure 2 The direct drive roller turning module comprises a conveying platform 1, a direct drive roller 2 comprising an independently arranged motor, the direct drive rollers 2 are arranged along the conveying direction and are respectively arranged on the inner ring side and the outer ring side of the conveying platform 1, a detection assembly 3 arranged on the conveying platform 1 for detecting the position of the tray and generating a corresponding position signal, and a control assembly 4 drivingly connected between the motor of each direct drive roller 2 and connected with the detection assembly 3 for controlling the rotation of the corresponding direct drive roller 2 according to the position signal.

[0038] Specifically, the direct drive roller turning module comprises a conveying platform 1, a plurality of direct drive rollers 2 for transporting trays are arranged on the conveying platform 1, the direct drive rollers 2 comprise independently arranged motors, the rotation speed of a certain direct drive roller 2 can be controlled individually, the direct drive rollers 2 are arranged along the conveying direction of the conveying platform 1 and are respectively arranged on the inner ring side and the outer ring side of the conveying platform 1, the direct drive rollers 2 can be arranged on both sides, but are not limited to this, in another embodiment, the direct drive rollers 2 are arranged in three groups along the conveying direction, and the arrangement of the direct drive rollers 2 is not limited herein.

[0039] The detection assembly 3 and the control assembly 4 are further installed on the conveying platform 1, the control assembly 4 is connected with the direct drive rollers 2 and the detection assembly 3 respectively, the detection assembly 3 is used for detecting the current conveying position of the tray on the conveying platform 1 and generating a position signal feedback to the control assembly 4, and the control assembly 4 controls the rotation of the direct drive rollers 2 at each position individually. The arrangement of the detection assembly 3 can accurately judge the position of the tray on the conveying platform 1, so as to independently control the rotation speed of the direct drive rollers 2 through the control assembly 4 according to the position of the tray and the turning requirement of the tray.

[0040] In an implementation, when the direct drive roller turning module is conveying the tray, the detection assembly 3 detects that the tray is entering the conveying platform 1 from the external conveying line, feeds back a position signal to the control assembly 4, the control assembly 4 changes the speed of the direct drive rollers 2 on one side of the inner ring, so that the direct drive rollers 2 on one side of the inner ring and the direct drive rollers 2 on one side of the outer ring form a speed difference, to realize the turning of the tray conveying, and the control assembly 4 controls the direct drive rollers 2 individually, so as to adjust the speed of the direct drive rollers 2 at different positions to cope with different turning angles, so as to achieve a smooth effect of the turning of the tray conveying.

[0041] The direct drive turning module of the embodiment is arranged along the conveying direction on the conveying platform 1, and is arranged at least on the inner side and the outer side of the conveying platform 1, to drive the direct drive rollers 2 on both sides to form a speed difference to realize the turning of the tray conveying. The detection assembly 3 is arranged on the conveying platform 1, to detect the position of the tray and generate a corresponding position signal to the control assembly 4. The control assembly 4 can adjust the rotating speed of the direct drive rollers 2 at corresponding positions according to the current conveying position of the tray. The direct drive rollers 2 are provided with independent motors and are drivenly connected with the control assembly 4, to facilitate the individual control of the direct drive rollers 2 at different positions on the conveying platform 1. For example, the rotating speed of one or more of the direct drive rollers 2 can be adjusted individually to adapt to the conveying requirements of the tray at different turning positions, to realize flexible and efficient turning of the tray conveying.

[0042] The control assembly 4 can be integrated in the conveying platform 1, or can be a structure arranged separately outside the direct drive roller turning module, such as a general dispatching of the equipment, so as to facilitate the general dispatching to control the direct drive rollers 2 of the direct drive roller turning module independently. The present application does not limit this.

[0043] Embodiment 2:

[0044] The difference between the embodiment and the embodiment 1 is that the direct drive roller turning module of the present utility model is further optimized in structure, please refer to Figure 3 and Figure 4 .

[0045] In some embodiments, as shown in Figure 3 , the motor is an external rotor motor 21, and the rotor of the external rotor motor 21 is arranged as a roller for carrying the tray.

[0046] Specifically, the independent motor of the direct drive roller 2 is an external rotor motor 21, and the structure of the external rotor motor 21 enables the roller to be directly driven by the motor, reducing the additional kinetic energy loss. The direct drive roller 2 directly drives the roller to carry the tray conveying, so that the conveying platform 1 realizes efficient transmission, and the external rotor motor 21 has a simple structure, facilitating the installation of the direct drive roller 2 on the conveying platform 1.

[0047] In order to achieve more convenient and flexible installation of the direct drive roller 2, in some embodiments, the direct drive roller 2 further comprises a quick plug interface 22 arranged on the rotating shaft of the outer rotor motor 21; the control assembly 4 is electrically connected with the outer rotor motor 21 through the quick plug interface 22.

[0048] Specifically, the direct drive roller 2 is provided with the quick plug interface 22 for communication control, the quick plug interface 22 is arranged on the rotating shaft of the outer rotor motor 21, the quick plug interface 22 on the direct drive roller 2 is electrically connected with the outer rotor motor 21, so that the corresponding outer rotor motor 21 is allocated with an independent ID address and realizes independent power supply. In some embodiments, the control assembly 4 can be a PLC controller, the direct drive roller 2 has an independent ID address communication, the PLC controller can individually communicate with and control the direct drive roller 2 at each position, the direct drive roller 2 receives real-time instructions of the PLC controller, the communication protocol can be selected from, but is not limited to, one of Modbus, RS-485 and CAN, the PLC controller can individually issue control instructions to the direct drive roller 2, or can make a plurality of direct drive rollers 2 form the same group to uniformly control the rotation of the direct drive rollers 2.

[0049] In order to smoothly connect the tray conveying speed, in some embodiments, as shown in Figure 4 The conveying platform 1 comprises an entrance transition section 12, a turning section 13 and an exit transition section 14 arranged in sequence. The control assembly 4 controls the direct drive rollers 2 on the entrance transition section 12, the turning section 13 and the exit transition section 14 in sections.

[0050] Specifically, the conveying platform 1 is arranged in three sections to adjust the rotating speed of the direct drive rollers 2, and the control assembly 4 controls the direct drive rollers 2 in sections. The conveying platform 1 can be arranged in sequence as an entrance transition section 12, a turning section 13 and an exit transition section 14. The entrance transition section 12 is connected to the external conveying line in the front section of the conveying line, and the exit transition section 14 is connected to the external conveying line in the rear section of the conveying line. When feeding, the tray is transported from the external conveying line into the entrance transition section 12. When the tray enters, the speed of the direct drive rollers 2 on the entrance transition section 12 is the same as the transport speed of the external conveying line in the front section, so as to realize smooth transition. When the tray completely enters the entrance transition section 12, the rotating speed of the direct drive rollers 2 on the two sides opposite to each other can be changed according to the actual situation, so as to meet the different requirements of the two sides opposite to each other for the power line speed of the direct drive rollers 2 when the tray turns, and realize smooth switching of the straight running to the turning transport of the tray. When the tray enters the turning section 13, the rotating speed of each direct drive roller 2 is controlled individually according to the different turning angles of the tray, or the rotating speed of the direct drive rollers 2 on one side is uniformly changed, so that the direct drive rollers 2 on the two sides of the turning section 13 rotate at a suitable speed, and the size of the rotating speed difference of the direct drive rollers 2 on the two sides is used to realize the turning of the tray at different angles. The exit transition section 14 is connected to the turning section 13. When the tray enters the exit transition section 14 from the turning section 13, the speed of the direct drive rollers 2 on the exit transition section 14 is the same as the transport speed of the turning section 13. The rotating speed of the direct drive rollers 2 on the two sides opposite to each other in the exit transition section 14 is the same as the rotating speed of the direct drive rollers 2 on the inner and outer rings of the turning section 13, so as to keep the transition smooth. After the tray completely enters the exit transition section 14, the rotating speed of the rollers on the inner and outer sides of the turning can be changed according to the actual situation, so as to realize smooth switching of the movement of the tray from turning to straight running, and transport the tray to the external conveying line in the rear section.

[0051] In order to better detect the position of the tray, in some embodiments, the detection assembly 3 includes a first sensor 31, a second sensor 32 and a third sensor 33. The first sensor 31 is arranged on the entrance transition section 12, the second sensor 32 is arranged on the turning section 13, and the third sensor 33 is arranged on the exit transition section 14.

[0052] Specifically, the first sensor 31 is arranged on the entrance transition section 12. When the first sensor 31 generates a position signal, it indicates that the tray is about to enter the curve. The second sensor 32 is arranged on the turning section 13. When the second sensor 32 generates a position signal, it indicates that the tray has entered the curve. The third sensor 33 is arranged on the exit transition section 14. When the third sensor 33 generates a position signal, it indicates that the tray is about to exit the curve.

[0053] In addition, in order to ensure smooth connection of pallet transportation when turning, in some embodiments, the first sensor 31 is set at the junction of the entrance transition section 12 and the turning section 13, the second sensor 32 is set at the middle position of the turning section 13, and the third sensor 33 is set at the junction of the exit transition section 14 and the turning section 13.

[0054] Specifically, a first sensor 31 is provided at the junction of the entrance transition section 12 and the turning section 13. When the first sensor 31 detects that a pallet has been transported to this location, it feeds back a position signal to the control component 4. The control component 4 reduces the rotation speed of the direct-drive roller 2 on the inner ring of the turning section 13, while maintaining the rotation speed of the direct-drive roller 2 on the outer ring. A speed difference is formed between the inner and outer rings of the direct-drive roller 2 on the turning section 13 to achieve a turning angle in transportation. A second sensor 32 is provided at the middle of the turning section 13. When the second sensor 32 detects that a pallet has been transported to this location, it feeds back a position signal to the control component 4. The control component 4 increases the rotation speed of the direct-drive roller 2 on the inner ring of the turning section 13, while maintaining the rotation speed of the direct-drive roller 2 on the outer ring. The speed difference between the inner and outer rings of the direct-drive roller 2 on the turning section 13 is reduced to achieve a certain turning angle for transportation of the pallet. A third sensor 33 is installed at the junction of the turning section 13 and the exit transition section 14. When the third sensor 33 detects the arrival of a pallet at this location, it feeds a position signal back to the control assembly 4. The control assembly 4 then increases the rotational speed of the direct-drive rollers 2 on the inner ring of the turning section 13 while maintaining the rotational speed of the direct-drive rollers 2 on the outer ring. This further reduces the speed difference between the inner and outer rings of the direct-drive rollers 2 on the turning section 13, thereby achieving a smooth transition from turning to straight travel when the pallet reaches the exit transition section 14. It is understood that the actual installation locations of the first sensor 31, the second sensor 32, and the third sensor 33 can be adjusted as needed and are not limited in this application.

[0055] In this embodiment, the direct-drive roller 3 uses an external rotor motor 21. The quick-connect interface 22 on the external rotor motor 21 realizes communication control of the rotation speed, which enables the pallet transportation to face different turning angles and continuous turning. In addition, operations such as stopping, running, turning, and straightening can be achieved at any position on the direct-drive roller turning module. The conveying platform 1 adopts a segmented structure design, and corresponding sensors are sequentially set in each segment. It can accurately detect the position of the pallet and generate a position signal of the pallet on the conveying platform 1. The generated position signal is sent to the control component 4. The control component 4 controls the rotation speed of the direct-drive roller 2 at the corresponding position based on the feedback position signal, ensuring that when the pallet is transported into each segment, its transportation speed can be smoothly connected, avoiding the pallet transportation from being stuck due to the fixed roller rotation speed during turning transportation.

[0056] Example 3:

[0057] This example is a further implementation of Example 1 or 2.Figures 5 to 7 .

[0058] Further, in some embodiments, as shown in Figure 5 and Figure 6 , the conveying platform 1 is arranged with a plurality of supports 11 in the conveying direction, and the direct drive rollers 2 are detachably mounted on the supports 11.

[0059] Specifically, the conveying platform 1 can reasonably arrange the positions and angles of the direct drive rollers 2 according to actual transportation needs, and a plurality of supports 11 are arranged on the conveying platform 1, and the direct drive rollers 2 are detachably mounted on the supports 11, which avoids the risk of damage to the direct drive rollers 2 due to the bearing load of the outer rotor motor 21 rotating alone, and is also conducive to subsequent maintenance and adjustment of the direct drive rollers 2.

[0060] In order to assist the transportation of the tray, in some embodiments, the inner side and the outer side of the conveying platform 1 are respectively formed by two arc-shaped cross beams 5, and the opposite inner side edges of the two arc-shaped cross beams 5 are provided with guide strips 51.

[0061] Specifically, the inner side and the outer side of the conveying platform 1 are respectively formed by two arc-shaped cross beams 5, and the opposite inner side edges of the two arc-shaped cross beams 5 are provided with guide strips 51, which are used to assist the alignment of the tray posture and ensure the stability of the direction of the tray during transportation. The guide strips 51 are made of wear-resistant materials, which can be selected from but not limited to hard alloy, plastic or rubber.

[0062] In some embodiments, as shown in Figure 7 , the direct drive rollers 2 are also arranged in the middle part of the conveying platform 1.

[0063] Specifically, the direct drive rollers 2 can be flexibly and detachably arranged on the conveying platform 1 to meet the transportation requirements of trays of various specifications. The direct drive rollers 2 are arranged in three rows along the conveying direction, respectively on the outer side, the middle part and the inner side of the conveying platform 1. When the conveying platform 1 carries the tray, a plurality of abutting contact points are increased to better carry the tray for transportation, and the speed of the tray during turning transportation is more stable.

[0064] Embodiment 4:

[0065] As shown in Figure 8 , a tray conveying line 100 is provided, which includes the direct drive roller turning module in embodiment 1, embodiment 2 or embodiment 3.

[0066] Specifically, the tray conveying line 100 is provided with a direct drive roller turning module, the tray is transported from the front straight conveying line into the entrance transition section 12, the first sensor 31 generates a corresponding position signal and sends it to the control assembly 4, the rotation speed of the direct drive roller 2 on the turning section 13 is adjusted by the control assembly 4, so that the rotation speed difference of the direct drive rollers 2 on the inner and outer rings of the turning section 13 is formed, and the rotation speed of the direct drive rollers 2 on the inner ring is slower than that of the direct drive rollers 2 on the outer ring. When the tray passes the middle position of the turning section 13, the second sensor 32 generates a corresponding position signal and sends it to the control assembly 4, the rotation speed of the direct drive roller 2 on the turning section 13 is adjusted by the control assembly 4, so that the rotation speed difference of the direct drive rollers 2 on the inner and outer rings of the turning section 13 is kept at a certain value, and the tray is stably turned and transported in the turning section 13. When the tray enters the exit transition section 14, the third sensor 33 generates a corresponding position signal and sends it to the control assembly 4, so that the rotation speed difference of the direct drive rollers 2 on the inner and outer rings of the exit transition section 14 is reduced, so as to realize the smooth switching of the tray transportation direction from turning to straight line, and then the tray is transported from the exit transition section 14 to the rear straight conveying line, thereby completing the tray transportation turning.

[0067] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0068] In the description of the present application, it should be pointed out that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used for differentiation, and cannot be understood as indicating or implying relative importance.

[0069] In addition, the terms "horizontal", "vertical", "suspension" and the like do not mean that the components must be absolutely horizontal or suspended, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0070] In the utility model, unless another definite provision and limitation, first feature is above or below second feature can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through additional feature between them.

[0071] Although the description of the utility model is combined with above specific embodiment, it is obvious that many substitutions, modifications and changes can be made according to the above-mentioned content by the person skilled in the art. Therefore, all such substitutions, improvements and changes are included in the spirit and scope of the appended claims.

Claims

1. A direct-drive roller turning module, characterized in that: include: Conveying platform; Direct-drive rollers, including independently provided motors, are arranged in an array along the conveying direction and are provided at least on the inner side and the outer side of the conveying platform; A detection component, provided on the conveying platform, for detecting the position of the pallet and generating a corresponding position signal; as well as The control component is drivingly connected to the motor of each direct-drive roller and is connected to the detection component, and is used to control the rotation of the corresponding direct-drive roller according to the position signal.

2. The direct-drive roller turning module according to claim 1, characterized in that: The conveying platform includes an entrance transition section, a turning section and an exit transition section arranged in sequence; The control component performs segmented control on the direct-drive rollers on the entrance transition section, the turning section, and the exit transition section.

3. The direct-drive roller turning module according to claim 2, characterized in that: The detection component includes a first sensor, a second sensor and a third sensor. The first sensor is arranged at the entrance transition section, the second sensor is arranged at the turning section, and the third sensor is arranged at the exit transition section.

4. The direct-drive roller turning module according to claim 3, characterized in that: The first sensor is arranged at the junction of the inlet transition section and the turning section, the second sensor is arranged at the middle position of the turning section, and the third sensor is arranged at the junction of the outlet transition section and the turning section.

5. The direct-drive roller turning module according to claim 1, characterized in that: The direct-drive roller is also arranged in the middle of the conveying platform.

6. The direct-drive roller turning module according to claim 1, characterized in that: The motor is an outer rotor motor, and the rotor of the outer rotor motor is configured as a roller for carrying the tray.

7. The direct-drive roller turning module according to claim 6, characterized in that: The direct-drive roller further includes a quick-plug interface, which is provided on the rotating shaft of the outer rotor motor; The control component is electrically connected to the outer rotor motor via the quick-plug interface.

8. The direct-drive roller turning module according to any one of claims 1 to 7, characterized in that: The conveying platform is provided with a plurality of supporting members arranged along the conveying direction, and the direct-drive roller is detachably mounted on the supporting members.

9. The direct-drive roller turning module according to any one of claims 1 to 7, characterized in that: The inner side and the outer side of the conveying platform are respectively composed of two arc-shaped cross beams, and guide strips are arranged on the opposite inner edges of the two arc-shaped cross beams.

10. A pallet conveyor line, characterized in that: It comprises the direct-drive roller turning module according to any one of claims 1 to 9.

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