Sorting module for balance wheel sorting device, balance wheel sorting device

Abstract

The disclosed embodiment provides a sorting module for a balance wheel sorting device and a balance wheel sorting device. The sorting module includes: a swing base; two side plates fixedly arranged on the swing base; an outer rotor motor fixedly arranged between the two side plates; two balancing plates hinged to the two side plates by pins, the pins are located above the outer rotor motor and the axes coincide with the positive projection of the axes of the outer rotor motor on the swing base; two transition rollers fixedly arranged between the two balancing plates, the axes of the two transition rollers are centrally symmetrical with respect to the axes of the pins, and the circumferences of the two transition rollers abut against the circumferences of the outer rotor motor; and four conveying rollers arranged in parallel and at equal intervals in the same horizontal plane, fixedly arranged between the two side plates and with the tops protruding from the two side plates, wherein the circumferences of two adjacent conveying rollers abut against the circumference of one of the transition rollers, and the circumferences of the other two adjacent conveying rollers abut against the circumference of the other transition roller.

Description

Technical Field

[0001] The present disclosure relates to the technical field of warehousing and logistics, and in particular to a sorting module for a pendulum wheel sorting device and the pendulum wheel sorting device. Background Art

[0002] The pendulum wheel sorting equipment, also known as the guide wheel sorter, roller wheel sorter or inclined wheel sorter, uses multiple conveyor rollers that can be switched between different angles. According to the commands issued by the front-end management system, it automatically diverts the passing materials according to certain rules.

[0003] How to improve the operational reliability of the balance wheel sorting equipment and reduce its installation and maintenance costs is a technical problem that needs to be solved urgently. Summary of the invention

[0004] The disclosed embodiments provide a sorting module for a balance wheel sorting device and a balance wheel sorting device, so as to improve the operational reliability of the sorting module and reduce the cost of its installation and maintenance.

[0005] According to one aspect of an embodiment of the present disclosure, there is provided a sorting module for a balance wheel sorting device, comprising:

[0006] Swing base;

[0007] Two side plates arranged opposite to each other are fixedly arranged on the swing base;

[0008] An outer rotor motor is fixedly disposed between the two side plates;

[0009] Two balancing plates arranged opposite to each other are hinged to the two side plates via a pin, the pin is located above the outer rotor motor, and the axis of the pin coincides with the orthographic projection of the axis of the outer rotor motor on the swing base;

[0010] Two transition rollers are fixedly disposed between the two balancing plates, the axes of the two transition rollers are centrally symmetrical with respect to the axis of the pin shaft, and the circumferences of the two transition rollers are respectively in contact with the circumferences of the outer rotor motor so as to be driven to rotate by the outer rotor motor; and

[0011] Four conveying rollers are arranged in parallel and at equal intervals in the same horizontal plane, fixedly disposed between the two side plates and with their tops protruding from the two side plates, wherein the circumferential sides of two adjacent conveying rollers abut against the circumferential side of one of the transition rollers so as to be driven to rotate by the one transition roller, and the circumferential sides of the other two adjacent conveying rollers abut against the circumferential side of the other transition roller so as to be driven to rotate by the other transition roller.

[0012] In some embodiments, the two balance boards are disposed on opposite sides of the two side boards in a one-to-one correspondence;

[0013] The two side plates are respectively provided with through holes, and the shaft ends on either side of the two transition rollers pass through the corresponding through holes and are fixedly connected to the corresponding balance plates.

[0014] In some embodiments, a swing angle range α of the two transition rollers in the through holes of the two side plates satisfies: -3°≤α≤3°.

[0015] In some embodiments, the sorting module further includes: two mounting blocks located between the two side plates and fixed to the two side plates in a one-to-one correspondence, each of the mounting blocks having a first U-shaped groove opening upward, the first U-shaped grooves of the two mounting blocks being located opposite to each other; and a spring disposed in the first U-shaped groove of each of the mounting blocks;

[0016] The two shaft ends of the outer rotor motor are arranged in the first U-shaped grooves of the two mounting blocks in a one-to-one correspondence and are pressed onto the corresponding springs.

[0017] In some embodiments, each of the first U-shaped grooves passes through the corresponding mounting block along the axis direction of the outer rotor motor; or

[0018] Each of the first U-shaped grooves partially penetrates the corresponding mounting block along the axial direction of the outer rotor motor.

[0019] In some embodiments, the two side plates respectively have at least one strip-shaped hole extending in the longitudinal direction, and each of the mounting blocks is fixed to the corresponding side plate by at least one adjusting bolt disposed in the at least one strip-shaped hole.

[0020] In some embodiments, the two side plates respectively have two strip holes extending in the longitudinal direction, the two strip holes are symmetrically distributed on both sides of the first U-shaped groove, and two adjusting bolts are arranged in each of the strip holes.

[0021] In some embodiments, the two side panels respectively have at least one screw hole group, each of the screw hole groups includes a plurality of screw holes arranged longitudinally, and each of the mounting blocks is fixed to the corresponding side panel by at least one screw provided in the at least one screw hole group.

[0022] In some embodiments, the sorting module further comprises: a top cover fixedly disposed on the two side panels, the top cover having an opening, and the opening exposing the four conveying rollers.

[0023] In some embodiments, the two side plates are respectively provided with second U-shaped grooves opening upward at the shaft ends corresponding to the four conveying rollers, and the shaft ends of the four conveying rollers are arranged in the second U-shaped grooves of the two side plates in a one-to-one correspondence;

[0024] The sorting module further includes: an elastic pad provided for each shaft end of each conveying roller, wherein the elastic pad is located between the shaft end and the top cover and abuts against the shaft end and the top cover respectively.

[0025] In some embodiments, the swing base includes:

[0026] A crank capable of swinging horizontally;

[0027] A sleeve rod disposed longitudinally and fixedly connected to the crank, with a clamping groove on the top;

[0028] A transmission rod inserted into the sleeve rod, with a clamping protrusion on the top that matches the clamping groove;

[0029] A bottom plate is fixedly connected to the clamping protrusion, and the two side plates are fixedly connected to the bottom plate.

[0030] According to another aspect of the embodiments of the present disclosure, there is provided a balance wheel sorting device, comprising a plurality of sorting modules as described in any of the aforementioned technical solutions arranged in an array.

[0031] By adopting the sorting module or the balance wheel sorting device of the above-mentioned embodiment of the present disclosure, on the one hand, the operating reliability of the balance wheel sorting device can be improved and its service life can be extended; on the other hand, the control requirements for the manufacturing accuracy and installation accuracy of the sorting module can be reduced, thereby reducing the installation and maintenance costs.

[0032] Of course, the product or method implementing any embodiment of the present disclosure does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or related technologies, the following briefly introduces the drawings required for use in the embodiments of the present disclosure or related technologies. Obviously, the drawings described below are only some embodiments of the present disclosure, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0034] Figure 1 It is a three-dimensional schematic diagram of a balance wheel sorting device according to some embodiments of the present disclosure;

[0035] Figure 2 It is a three-dimensional schematic diagram of a sorting module according to some embodiments of the present disclosure;

[0036] Figure 3 A front view of the internal structure of a sorting module according to some embodiments of the present disclosure;

[0037] Figure 4This is a schematic diagram of the fixed connection between the mounting block and the side panel in some embodiments of the present disclosure. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present disclosure to clearly and completely describe the technical solutions in the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0039] In a related technology known to the inventor, each conveying roller of the sorting module is driven by a poly-V belt. Due to its own structural characteristics, the poly-V belt is prone to epidermis shedding and wear, so its service life is short and needs to be replaced frequently. In addition, the structural design of each conveying roller of the sorting module needs to be coordinated with the structure of the poly-V belt, resulting in complex processing and high processing costs.

[0040] In order to improve the operational reliability of a sorting module, extend its service life, and reduce the cost of its installation and maintenance, an embodiment of the present disclosure provides a sorting module for a balance wheel sorting device and a balance wheel sorting device.

[0041] In the embodiments of the present disclosure, the descriptions of the directions such as "upper", "lower", "top", "bottom", etc. are relative to the normal use state of the balance wheel sorting device and the sorting module. In the following embodiments, the fixed connection between two components can be a direct fixed connection or an indirect fixed connection through other intermediate components.

[0042] like Figure 1 As shown, the swing wheel sorting device 100 includes a frame 101 and a plurality of sorting modules 1 arranged in an array in a plane, and each sorting module 1 is hinged to the frame 101. By driving each sorting module 1 to swing around the hinge axis between it and the frame 101, and driving the conveying roller 14 of the sorting module 1 to rotate, the material being conveyed can be diverted.

[0043] like Figure 2 and Figure 3 As shown, some embodiments of the present disclosure provide a sorting module 1 for a balance wheel sorting device, comprising:

[0044] Swing base 11;

[0045] Two side plates 12 arranged opposite to each other are fixedly mounted on the swing base 11;

[0046] The outer rotor motor 13 is fixedly disposed between the two side plates 12;

[0047] Two balancing plates 23 (only one of the balancing plates 23 is shown in the figure) arranged opposite to each other are hinged to the two side plates 12 through a pin 18. The pin 18 is located above the outer rotor motor 13, and the axis S1 of the pin 18 and the axis S2 of the outer rotor motor 13 are coincident in their orthographic projection on the swing base 11;

[0048] Two transition rollers 15 are fixedly disposed between the two balancing plates 23, the axes S3 and S4 of the two transition rollers 15 are centrally symmetrical with respect to the axis S1 of the pin shaft 18, and the circumferences of the two transition rollers 15 are respectively in contact with the circumferences of the outer rotor motor 13, so as to be driven to rotate by the outer rotor motor 13; and

[0049] Four conveying rollers 14 are arranged in parallel and at equal intervals in the same horizontal plane, fixedly disposed between the two side plates 12 and with their tops protruding from the two side plates 12, wherein the circumferential sides of two adjacent conveying rollers 14 abut against the circumferential side of one of the transition rollers 15 so as to be driven to rotate by the one transition roller 15, and the circumferential sides of the other two adjacent conveying rollers 14 abut against the circumferential side of the other transition roller 15 so as to be driven to rotate by the other transition roller 15.

[0050] In some embodiments, the two balancing plates 23 are arranged one by one on the opposite sides of the two side plates 12, that is, on the outer sides of the two side plates 12; the two side plates 12 are respectively provided with through holes 124, and the axial ends on either side of the two transition rollers 15 pass through the corresponding through holes 124 and are fixedly connected to the corresponding balancing plates 23.

[0051] During assembly, the pin 18 passes through one of the balancing plates 23, the two side plates 12 and the other balancing plate 23 in sequence, thereby realizing the hinge connection between the two balancing plates 23 and the two side plates 12. The two shaft heads of each transition roller 15 are fixed on the two balancing plates 23 in a one-to-one correspondence, and the axes S3 and S4 of the two transition rollers 15 are centrally symmetrical with respect to the axis S1 of the pin 18, and the two transition rollers 15 have a tendency to swing around the axis S1 of the pin 18.

[0052] like Figure 3As shown, in some embodiments of the present disclosure, the swing base 11 includes a crank 111, a sleeve rod 112, a transmission rod 113 and a bottom plate 114, wherein: the crank 111 can swing in a horizontal plane; the sleeve rod 112 is longitudinally arranged and fixedly connected to the crank 111, for example, the sleeve rod 112 is fixedly connected to the crank 111 by screws, and the top of the sleeve rod 112 has a clamping groove 1120; the transmission rod 113 is inserted into the sleeve rod 112 and has a clamping protrusion 1130 on the top that cooperates with the clamping groove 1120. When the crank 111 swings horizontally, the sleeve rod 112 and the transmission rod 113 transmit torque through the cooperation of the clamping protrusion 1130 and the clamping groove 1120; the bottom plate 114 is fixedly connected to the clamping protrusion 1130, for example, by screws. The two side plates 12 are fixedly connected to the bottom plate 114. For example, the two side plates 12 are fixedly connected to the bottom plate 114 by screws.

[0053] In some embodiments of the present disclosure, Figure 2 As shown, the sorting module 1 further includes: a top cover 21 fixedly disposed on the two side plates 12 , the top cover 21 having an opening 210 , and the opening 210 exposes the four conveying rollers 14 .

[0054] In the embodiment disclosed in the present invention, the circumferential sides of the two transition rollers 15 are respectively in contact with the circumferential sides of the outer rotor motor 13. Among the four conveying rollers 14, the circumferential sides of two adjacent conveying rollers 14 are in contact with the circumferential side of one of the transition rollers 15, and the circumferential sides of the other two adjacent conveying rollers 14 are in contact with the circumferential side of the other transition roller 15. When the sorting module 1 is working, the rotation of the outer rotor motor 13 drives the two upper transition rollers 15 to rotate in the same direction, and the same-direction rotation of the two transition rollers 15 drives the four upper conveying rollers 14 to rotate in the same direction, so that the materials (not shown in the figure) on the four conveying rollers 14 can be transported. In the embodiment disclosed in the present invention, the two transition rollers 15 have the same nominal diameter, and the lengths can be the same or different. The four conveying rollers 14 have the same nominal diameter, and the lengths can be the same or different, such as Figure 2 As shown, in one embodiment, the top cover 21 is substantially circular, and the lengths of the two middle conveying rollers 14 of the four conveying rollers 14 are greater than the lengths of the other two conveying rollers 14. The opening 210 is designed accordingly according to the arrangement and size of the four conveying rollers 14.

[0055] Compared with the above-mentioned related technologies, the embodiment of the present disclosure does not use a wedge belt drive and only uses an outer rotor motor. Therefore, the structural design is simple, the installation accuracy requirement is low, the installation and maintenance are convenient, and the production cost and use cost are low. Figure 3As shown, the two balancing plates 23 are hinged to the two side plates 12 through the pin 18, and the two transition rollers 15 are fixedly arranged between the two balancing plates 23, and the axes S3 and S4 of the two transition rollers 15 are centrally symmetrical with respect to the axis S1 of the pin 18, so that the two transition rollers 15 can not only rotate around their own axes, but also have a tendency to swing around the axis S1 of the pin 18. In addition, since the axis S1 of the pin 18 is located directly above the axis S2 of the outer rotor motor 13, the abutment force between the two transition rollers 15 and the outer rotor motor 13 is basically equal, and the driving force of the two transition rollers 15 from the outer rotor motor 13 is basically equal. Therefore, compared with the setting method of absolutely fixing the transition rollers, this embodiment can effectively overcome the unreliable transmission and accelerated wear caused by uneven force on the transition rollers.

[0056] In addition, since the driving force from the outer rotor motor 13 to the two transition rollers 15 is substantially equal, the wear degree of the two transition rollers 15 is substantially the same after being used for a period of time, so the driving force to the four conveying rollers 14 can still be substantially the same, making the transmission reliable. The design of this embodiment improves the transmission reliability and prolongs the service life of the sorting module 1.

[0057] In one embodiment, relative to the horizontal plane, the swing angle range α of the two transition rollers 15 in the through holes 124 of the two side plates 12 satisfies: -3°≤α≤3°. The through holes 124 can be used to pre-position the transition rollers 15 for installation, and can limit the swing of the two transition rollers 15 relative to the pin 18 to a smaller angle range, meeting the requirements of adaptive fine-tuning.

[0058] like Figure 2 and Figure 3 As shown, in some embodiments of the present disclosure, the sorting module 1 further includes: two mounting blocks 16 located between the two side plates 12 and fixed to the two side plates 12 in a one-to-one correspondence, each mounting block 16 having a first U-shaped groove 160 opening upward, the first U-shaped grooves 160 of the two mounting blocks 16 being located opposite to each other; and a spring 17 disposed in the first U-shaped groove 160 of each mounting block 16. The two shaft ends of the outer rotor motor 13 are disposed in the first U-shaped grooves 160 of the two mounting blocks 16 in a one-to-one correspondence, and are pressed onto the spring 17 disposed in the first U-shaped groove 160.

[0059] The circumferential side of the outer rotor motor 13 needs to abut against the circumferential side of the two transition rollers 15, and the abutment force needs to overcome slippage in order to drive the two transition rollers 15 to rotate. In this embodiment, the spring 17 applies an upward elastic support force to the outer rotor motor 13, and through force transmission, there is sufficient abutment force between the outer rotor motor 13 and the two transition rollers 15. After being used for a period of time, the diameter of the two transition rollers 15 may be reduced due to wear. At this time, the outer rotor motor 13 will float slightly under the action of the elastic force of the spring 17, so that it can still maintain sufficient abutment with the two transition rollers 15. In the design of this embodiment of the present disclosure, the abutment force between the outer rotor motor 13 and the two transition rollers 15 can be adaptively adjusted so that the abutment force meets the transmission requirements and the two transition rollers 15 are balanced. In this way, the reliability of the transmission is further improved and the service life of the sorting module is extended.

[0060] like Figure 2 and Figure 3 As shown, in some embodiments of the present disclosure, each first U-shaped groove 160 penetrates the corresponding mounting block 16 along the axis S2 direction of the outer rotor motor 13. In other embodiments of the present disclosure, each first U-shaped groove may also partially penetrate the corresponding mounting block along the axis direction of the outer rotor motor. That is, for each mounting block, the first U-shaped groove is arranged on one side of the mounting block facing another mounting block.

[0061] In some embodiments of the present disclosure, the fixed position of each mounting block 16 relative to the side plate 12 can be adjusted up and down. Adjusting the fixed position of the mounting block 16 relative to the side plate 12 also adjusts the fixed position of the outer rotor motor 13 relative to the two side plates 12.

[0062] When the diameters of the two transition rollers 15 decrease due to wear after being used for a period of time, the fixing position of the mounting block 16 relative to the side plate 12 can be appropriately adjusted to ensure sufficient abutment force between the outer rotor motor 13 and the two transition rollers 15 .

[0063] The diameter specifications of the transition rollers 15 selected by the sorting modules 1 of different balance wheel sorting devices may be different. When the specifications of the selected transition rollers 15 are adjusted, the fixed position of the mounting block 16 relative to the side plate 12 is appropriately adjusted to ensure that there is sufficient contact force between the outer rotor motor 13 and the two transition rollers 15. For example, when replacing two transition rollers 15 with larger diameters, the fixed position of the mounting block 16 relative to the side plate 12 needs to be lowered accordingly; when replacing two transition rollers 15 with smaller diameters, the fixed position of the mounting block 16 relative to the side plate 12 needs to be raised accordingly. With this design, the product has stronger versatility, which is beneficial to saving production costs and use costs.

[0064] like Figure 3As shown, in some embodiments, the two side plates 12 respectively have at least one strip hole 120 extending in the longitudinal direction, and each mounting block 16 is fixed to the corresponding side plate 12 by at least one adjusting bolt 19 disposed in the at least one strip hole 120. For example, the two side plates 12 respectively have two strip holes 120 extending in the longitudinal direction, the two strip holes 120 are symmetrically distributed on both sides of the first U-shaped groove 160, and two adjusting bolts 19 are disposed in each strip hole 120. By adjusting the position of the adjusting bolt 19 in the strip hole 120, the mounting position of the mounting block 16 can be adjusted.

[0065] like Figure 4 As shown, in other embodiments, the two side panels 12 each have at least one screw hole group 121, each screw hole group 121 includes a plurality of screw holes 1210 arranged in the longitudinal direction, and each mounting block 16 is fixed to the corresponding side panel 12 by at least one screw 20 provided in at least one screw hole group 121. By adjusting the setting position of the screw, the mounting position of the mounting block 16 can be adjusted.

[0066] like Figure 3 As shown, in some embodiments of the present disclosure, the shaft ends of the four conveying rollers 14 corresponding to the two side plates 12 are respectively provided with second U-shaped grooves 122 opening upward, and the shaft ends of the four conveying rollers 14 are arranged one by one in the second U-shaped grooves 122 of the two side plates 12, and the sorting module 1 also includes: an elastic pad 22 arranged for each shaft end of each conveying roller 14, and the elastic pad 22 is located between the shaft end and the top cover 21, and abuts against the shaft end and the top cover 21 respectively.

[0067] In this embodiment, the pressure of the top cover 21 is transmitted to the shaft end of the conveying roller 14 through the elastic pad 22. Under the pressure of the top cover 21 and its own gravity, the conveying roller 14 applies abutting force to the transition roller 15 below, thereby ensuring reliable transmission with the transition roller 15. With this design, the power of the outer rotor motor 13 can be output and transmitted to the conveying roller 14 more stably and effectively, so that the operating reliability of the sorting module 1 is further improved.

[0068] like Figure 2 and Figure 3 As shown, in some embodiments of the present disclosure, the two side plates 12 serve together as the installation reference for the two mounting blocks 16, the spring 17, the outer rotor motor 13, the transition roller 15, the pin 18, the balance plate 23, the conveying roller 14, the elastic pad 22 and the top cover 21, etc., and these components are directly or indirectly installed on the two side plates 12. In other embodiments of the present disclosure, at least one of these components can also be installed on other structures, and the two side plates are used as protective side plates.

[0069] like Figure 1As shown, the balance wheel sorting device 100 provided in some embodiments of the present disclosure includes the sorting modules 1 of any of the aforementioned embodiments arranged in an array.

[0070] In summary, the use of the sorting module 1 or the balance wheel sorting device 100 of the above-mentioned embodiment of the present invention can, on the one hand, improve the operating reliability of the balance wheel sorting device 100 and extend its service life; on the other hand, it can also reduce the control requirements for the manufacturing accuracy and installation accuracy of the sorting module 1, thereby reducing the cost of installation and maintenance.

[0071] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or equipment. In the absence of more restrictions, the elements defined by the statement "comprise one..." do not exclude the existence of other identical elements in the process, method, article or equipment including the elements.

[0072] Each embodiment in this specification is described in a related manner, and the same or similar parts between the embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0073] The above description is only a preferred embodiment of the present disclosure and is not intended to limit the protection scope of the present disclosure. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure are included in the protection scope of the present disclosure.

Claims

1. A sorting module for a balance wheel sorting device, characterized in that: include: Swing base; Two side plates arranged opposite to each other are fixedly arranged on the swing base; An outer rotor motor is fixedly disposed between the two side plates; Two balancing plates arranged opposite to each other are hinged to the two side plates via a pin, the pin is located above the outer rotor motor, and the axis of the pin coincides with the orthographic projection of the axis of the outer rotor motor on the swing base; The two balancing plates are arranged one by one on the opposite sides of the two side plates; Two transition rollers are fixedly arranged between the two balancing plates, the axes of the two transition rollers are centrally symmetrical with respect to the axis of the pin shaft, and the circumferences of the two transition rollers are respectively in contact with the circumferences of the outer rotor motor so as to be driven to rotate by the outer rotor motor; and Four conveying rollers arranged in parallel and at equal intervals in the same horizontal plane are fixedly disposed between the two side plates and the tops protrude from the two side plates, wherein the circumferences of two adjacent conveying rollers abut against the circumference of one of the transition rollers so as to be driven to rotate by the one transition roller, and the circumferences of the other two adjacent conveying rollers abut against the circumference of another transition roller so as to be driven to rotate by the other transition roller; The two side plates are respectively provided with through holes, and the shaft ends on either side of the two transition rollers pass through the corresponding through holes and are fixedly connected to the corresponding balance plates; The utility model also comprises: a top cover fixedly arranged on the two side plates, wherein the top cover has an opening, and the opening exposes the four conveying rollers.

2. The sorting module according to claim 1, characterized in that: The swing angle range α of the two transition rollers in the through holes of the two side plates satisfies: -3°≤α≤3°.

3. The sorting module according to claim 1, characterized in that: The sorting module further comprises: two mounting blocks located between the two side plates and fixed to the two side plates in a one-to-one correspondence, each of the mounting blocks having a first U-shaped groove opening upward, the first U-shaped grooves of the two mounting blocks being located opposite to each other; and a spring disposed in the first U-shaped groove of each of the mounting blocks; The two shaft ends of the outer rotor motor are arranged in the first U-shaped grooves of the two mounting blocks in a one-to-one correspondence and are pressed onto the corresponding springs.

4. The sorting module according to claim 3, characterized in that: Each of the first U-shaped grooves penetrates the corresponding mounting block along the axis direction of the outer rotor motor; or Each of the first U-shaped grooves partially penetrates the corresponding mounting block along the axial direction of the outer rotor motor.

5. The sorting module according to claim 3, characterized in that: The two side plates respectively have at least one strip-shaped hole extending in the longitudinal direction, and each of the mounting blocks is fixed to the corresponding side plate by at least one adjusting bolt arranged in the at least one strip-shaped hole.

6. The sorting module according to claim 5, characterized in that: The two side plates respectively have two strip holes extending in the longitudinal direction, the two strip holes are symmetrically distributed on both sides of the first U-shaped groove, and two adjusting bolts are arranged in each of the strip holes.

7. The sorting module according to claim 3, characterized in that: The two side panels respectively have at least one screw hole group, each of the screw hole groups includes a plurality of screw holes arranged in the longitudinal direction, and each of the mounting blocks is fixed to the corresponding side panel by at least one screw provided in the at least one screw hole group.

8. The sorting module according to claim 1, characterized in that: The two side plates are respectively provided with second U-shaped grooves opening upward at the shaft ends corresponding to the four conveying rollers, and the shaft ends of the four conveying rollers are arranged in the second U-shaped grooves of the two side plates in a one-to-one correspondence; The sorting module further includes: an elastic pad provided for each shaft end of each conveying roller, wherein the elastic pad is located between the shaft end and the top cover and abuts against the shaft end and the top cover respectively.

9. The sorting module according to any one of claims 1 to 8, characterized in that: The swing base includes: A crank capable of swinging horizontally; A sleeve rod disposed longitudinally and fixedly connected to the crank, with a clamping groove on the top; A transmission rod inserted into the sleeve rod, with a clamping protrusion on the top that matches the clamping groove; and A bottom plate is fixedly connected to the clamping protrusion, and the two side plates are fixedly connected to the bottom plate.

10. A balance wheel sorting device, characterized in that: include: A plurality of sorting modules according to any one of claims 1-9 are arranged in an array.

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