Linear narrowband sorter

Abstract

The application provides a linear narrow-band sorting machine, which comprises a rack and a ring conveying assembly installed on the rack, the ring conveying assembly comprises a first narrow-band chain, a second narrow-band chain and a trolley chain arranged according to the shape of the ring conveying assembly, the first narrow-band chain and the second narrow-band chain are arranged side by side from left to right, the first narrow-band chain and the second narrow-band chain are both installed on the trolley chain, and the trolley chain is installed on the rack; the trolley chain drives each ring narrow band on the first narrow-band chain to rotate only to the left, and the trolley chain drives each ring narrow band on the second narrow-band chain to rotate only to the right. The sorting efficiency is higher.

Description

Technical Field

[0001] The present invention relates to the technical field of automated logistics sorting equipment, in particular to a linear narrow-belt sorter. Background Art

[0002] A linear narrow-belt sorter is a commonly used logistics sorting equipment. The linear narrow-belt sorter comprises a frame, a driving assembly mounted on the frame, and an annular conveying assembly mounted on the frame and formed by a plurality of trolleys connected end to end in sequence. The axis of the annular conveying assembly is parallel to the horizontal plane, and the driving assembly drives the annular conveying assembly to move along the annular path defined thereby. Each trolley is provided with an annular narrow belt for placing goods, and the axis of the annular narrow belt is arranged perpendicular to the axis of the annular conveying assembly. When the driving assembly drives the annular conveying assembly to move, when one or more trolleys move to a target sorting position, the trolleys are activated to drive the annular narrow belts to move along the annular paths defined thereby, so as to sort the goods carried on the annular narrow belts to the left or right side of the annular conveying assembly.

[0003] In the current linear sorter, the annular conveying assembly comprises one narrow belt chain and one trolley chain arranged corresponding to its shape, and the trolley chain drives each annular narrow belt on the narrow belt chain to be capable of rotating both leftward and rightward. This design idea makes the goods can only be sorted in a single row along the front-rear direction on the linear narrow-belt sorter, and each annular narrow belt needs to be correspondingly provided with two transmission units arranged along the left-right direction, wherein one transmission unit drives the annular narrow belt to rotate leftward, and the other transmission unit drives the annular narrow belt to rotate rightward, which results in a large dimension of the linear narrow-belt sorter in the left-right direction, and thus the sorting efficiency of the narrow belt per unit floor space is low.

[0004] In view of this, there is an urgent need for an improved linear narrow-belt sorter. Summary of the Invention

[0005] (One) Technical Problem to be Solved

[0006] In view of the problems existing in the above-mentioned technology, the present invention at least solves them to a certain extent. To this end, the present invention proposes a linear narrow-belt sorter with high sorting efficiency.

[0007] (Two) Technical Solution

[0008] In order to achieve the above purpose, the main technical solutions adopted by the present invention include:

[0009] The present invention provides a linear narrow-belt sorter, comprising a frame and an annular conveying assembly mounted on the frame. The annular conveying assembly comprises a first narrow belt chain, a second narrow belt chain and a trolley chain which are arranged corresponding to the shape of the annular conveying assembly. The first narrow belt chain and the second narrow belt chain are arranged side by side from left to right, both the first narrow belt chain and the second narrow belt chain are mounted on the trolley chain, and the trolley chain is mounted on the frame.

[0010] The trolley chain drives each annular narrow strip on the first narrow strip chain to rotate only to the left, and the trolley chain drives each annular narrow strip on the second narrow strip chain to rotate only to the right.

[0011] Optionally, the trolley chain has a transmission unit with a corresponding annular narrow belt for each narrow belt chain. The transmission unit drives its corresponding annular narrow belt to rotate. The transmission unit includes a mounting shaft, a clutch, a drive wheel, a drive transmission wheel, and a roller for driving the rotation of the annular narrow belt. The mounting shaft is mounted on the bracket of the trolley chain. The drive wheel and the drive transmission wheel are both sleeved on the mounting shaft. The clutch has a fixed seat fixedly connected to the bracket and a rotating seat sleeved on the mounting shaft. The drive wheel is placed on the frame of the linear sorting machine and rolls continuously along the frame along the sorting path following the trolley chain. The drive transmission wheel is connected to the roller for transmission. When the clutch is energized, the rotating seat engages the drive wheel and / or the drive transmission wheel, forming a transmission connection between the drive wheel and the drive transmission wheel.

[0012] Optionally, the trolley chain is formed by connecting multiple trolleys end to end in sequence; each trolley includes a frame, and a transmission unit is provided in the frame of the trolley chain corresponding to the annular narrow belt of the narrow belt chain, and the transmission unit drives its corresponding annular narrow belt to rotate.

[0013] Optionally, the trolley chain includes a first trolley sub-chain and a second trolley chain arranged side by side from left to right. The first trolley chain is formed by connecting multiple first trolleys end to end in sequence, and the second trolley chain is formed by connecting multiple second trolleys end to end in sequence. A first narrow belt chain is mounted on the first trolley chain, and a second narrow belt chain is mounted on the second trolley chain. Both the first and second trolleys include a frame. A first transmission unit is provided in the frame of the first trolley, corresponding to the annular narrow belt of the first narrow belt chain. A second transmission unit is provided in the frame of the second trolley, corresponding to the annular narrow belt of the second narrow belt chain. The first transmission unit drives its corresponding annular narrow belt to rotate to the left, and the second transmission unit drives its corresponding annular narrow belt to rotate to the right.

[0014] Optionally, the mounting shaft is rotatably mounted on the bracket, the drive wheel is rotatably sleeved on the mounting shaft, and the drive transmission wheel is fixedly sleeved on the mounting shaft. The clutch has a fixed seat fixedly connected to the bracket and a rotating seat fixedly sleeved on the mounting shaft. When the clutch is energized, the rotating seat attracts the drive wheel, forming a transmission connection between the drive wheel and the drive transmission wheel.

[0015] Optionally, the mounting shaft is rotatably mounted on the bracket, the drive wheel is fixedly sleeved on the mounting shaft, the drive transmission wheel is rotatably sleeved on the mounting shaft, and the clutch has a fixed seat fixedly connected to the bracket and a rotating seat fixedly sleeved on the mounting shaft; when the clutch is energized, the rotating seat engages the drive transmission wheel, forming a transmission connection between the drive wheel and the drive transmission wheel, while the drive transmission wheel and the drum still maintain a transmission connection.

[0016] Optionally, the mounting shaft is fixedly mounted on the bracket, the drive wheel is rotatably sleeved on the mounting shaft, the drive transmission wheel is rotatably sleeved on the mounting shaft, and the clutch has a fixed seat fixedly connected to the bracket and a rotating seat rotatably sleeved on the mounting shaft. The drive wheel and the drive transmission wheel are located on opposite sides of the rotating seat. When the clutch is energized, the rotating seat attracts the drive wheel and the drive transmission wheel, forming a transmission connection between the drive wheel and the drive transmission wheel, while the drive transmission wheel and the roller still maintain a transmission connection.

[0017] Alternatively, the mounting shaft can be mounted vertically on the bracket, or the mounting shaft can be mounted horizontally on the bracket.

[0018] Optionally, the mounting shaft is mounted on the bracket in a horizontal direction, and the transmission unit also includes a driven transmission wheel whose rotation axis is consistent with the rotation axis of the annular narrow belt. The driven transmission wheel is rotatably mounted on the bracket, and the driving transmission wheel is connected to the driven transmission wheel in a driving connection. The driven transmission wheel is also connected to the roller in a driving connection. Both the driving transmission wheel and the driven transmission wheel are bevel gears, and the driving transmission wheel meshes with the driven transmission wheel. Alternatively, both the driving transmission wheel and the driven transmission wheel are conical friction wheels, and the conical friction surface of the driving transmission wheel contacts the conical friction surface of the driven transmission wheel.

[0019] Optionally, the drive wheel is a gear, placed on the rack of the frame and continuously rolling along the rack as the trolley moves along the sorting path; or, the drive wheel is a friction wheel, placed on the friction belt of the frame and continuously rolling along the friction belt as the trolley moves along the sorting path.

[0020] (III) Beneficial Effects

[0021] The beneficial effects of this invention are:

[0022] The linear narrow strip sorting machine provided by this invention is equipped with two narrow strip chains (a first narrow strip chain and a second narrow strip chain). The trolley chain drives each annular narrow strip on the first narrow strip chain to rotate only to the left, and the trolley chain drives each annular narrow strip on the second narrow strip chain to rotate only to the right. This allows goods to be sorted in a row along the front-to-back direction on the first narrow strip chain and in a row along the front-to-back direction on the second narrow strip chain. As a result, goods can be placed side by side in the left-to-right direction on the linear narrow strip sorting machine. Furthermore, each annular narrow strip only needs to be equipped with one corresponding drive unit. The total dimension of the two narrow strip chains in the left-to-right direction is equivalent to the dimension of the annular narrow strips equipped with the corresponding two drive units in the left-to-right direction. Therefore, the sorting efficiency of the narrow strips in a unit space is greatly improved. Attached Figure Description

[0023] The present invention is described with reference to the following figures:

[0024] Figure 1 This is a three-dimensional structural diagram of a linear narrow strip sorting machine according to Embodiment 1 of the present invention;

[0025] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0026] Figure 3 This is a partial three-dimensional structural diagram of the trolley according to Embodiment 1 of the present invention, which does not include the narrow strip, the first roller, the second roller, the third roller, the fourth roller, and the narrow strip frame;

[0027] Figure 4 This is an exploded structural diagram of the vehicle according to Embodiment 1 of the present invention;

[0028] Figure 5 This is a three-dimensional structural diagram of the vehicle according to Embodiment 1 of the present invention.

[0029] [Explanation of Labels in the Attached Image]

[0030] 1: Rack;

[0031] 11: Second annular rack;

[0032] 2: First narrow-band chain;

[0033] 3: Second narrow-band chain;

[0034] 4: Small chain;

[0035] 5: Car;

[0036] 51: Mounting shaft; 52: First drive wheel; 53: Second drive wheel; 54: First driven transmission wheel; 55: Second driven transmission wheel; 56: First clutch; 57: Second clutch; 58: First driving transmission wheel; 59: Second driving transmission wheel; 60: First roller; 61: Second roller; 62: Third roller; 63: Fourth roller; 64: First guide wheel; 65: Second guide wheel; 66: Narrow belt frame; 67: First housing; 68: Second housing;

[0037] 541: First sprocket;

[0038] 551: Third sprocket;

[0039] 571: Fixed base; 572: Rotary base;

[0040] 601: Second sprocket;

[0041] 631: Fourth sprocket;

[0042] 661: First sub-sprocket; 663: Third sub-sprocket;

[0043] 7: Narrow ring band. Detailed Implementation

[0044] It should be noted that the directional terms such as "up," "down," "front," "back," "left," and "right" mentioned in this article are used in conjunction with other directional terms. Figure 1 and Figure 3 The orientation is used as a reference, and the left and right directions are also the axial direction of the mounting shaft.

[0045] Example 1

[0046] like Figures 1 to 5 As shown, this embodiment provides a linear narrow strip sorting machine. The linear narrow strip sorting machine includes a frame 1, a drive assembly mounted on the frame 1, and an annular conveyor assembly mounted on the frame 1. The axis of the annular conveyor assembly is parallel to the horizontal plane, and the drive assembly drives the annular conveyor assembly to move along the annular path it forms. The annular conveyor assembly includes a first narrow strip chain 2, a second narrow strip chain 3, and a trolley chain 4, each corresponding to its shape. The first narrow strip chain 2 is formed by a plurality of annular narrow strips 7 arranged sequentially, and the second narrow strip chain 3 is also formed by a plurality of annular narrow strips 7 arranged sequentially. The first narrow strip chain 2 and the second narrow strip chain 3 are arranged side-by-side from left to right. Both the first narrow strip chain 2 and the second narrow strip chain 3 are mounted on the trolley chain 4, which is mounted on the frame 1.

[0047] The first narrow belt chain 2 and the second narrow belt chain 3 are arranged side by side from left to right. Both the first narrow belt chain 2 and the second narrow belt chain 3 are mounted on the trolley chain 4, which is mounted on the frame 1. The trolley chain 4 drives each annular narrow belt 7 on the first narrow belt chain 2 to rotate to the left, and the trolley chain 4 drives each annular narrow belt 7 on the second narrow belt chain 3 to rotate to the right.

[0048] This linear narrow-belt sorter features two narrow-belt chains (the first and second narrow-belt chains). A trolley chain drives each loop of the first narrow-belt chain to rotate only to the left, and the trolley chain drives each loop of the second narrow-belt chain to rotate only to the right. This allows goods to be sorted in a row along the front-to-back direction on both the first and second narrow-belt chains. Furthermore, goods can be placed side-by-side in the left-to-right direction on the linear narrow-belt sorter. Each loop only requires one corresponding drive unit, and the total dimension of the two narrow-belt chains in the left-to-right direction is equivalent to the dimension of the loops in the left-to-right direction corresponding to the two drive units. Therefore, the sorting efficiency of the narrow-belts per unit space is greatly improved.

[0049] Preferably, the trolley chain 4 has a transmission unit that corresponds one-to-one with the annular narrow belt 7 of the narrow belt chain. The transmission unit drives its corresponding annular narrow belt 7 to rotate. The transmission unit includes a mounting shaft 51, a clutch, a drive wheel, a drive transmission wheel, and a roller for driving the annular narrow belt 7 to rotate. The mounting shaft is rotatably mounted on the bracket of the trolley chain 4. The drive wheel is fixedly sleeved on the mounting shaft 51. The drive transmission wheel is sleeved on the mounting shaft 51. The clutch has a fixed seat 571 fixedly connected to the bracket and a rotating seat 572 fixedly sleeved on the mounting shaft 51. The drive wheel is placed on the frame of the linear sorting machine and follows the trolley chain to continuously roll along the frame on the sorting path. The drive transmission wheel is connected to the roller. When the clutch is energized, the rotating seat 572 engages the drive transmission wheel, forming a transmission connection between the drive wheel and the drive transmission wheel. The drive transmission wheel and the roller still maintain a transmission connection.

[0050] The sorting path refers to the movement path of the drive wheels used to sort goods. As an example, such as... Figure 1 As shown, the movement path of the drive wheel is circular, including a first path segment, a second path segment, a third path segment, and a fourth path segment connected end to end. The first path segment and the second path segment are straight paths arranged opposite each other in the vertical direction, and the first path segment is located above the second path segment. The third path segment and the fourth path segment are curved paths arranged opposite each other in the horizontal direction. The first path segment is the sorting path.

[0051] The working principle of the aforementioned linear narrow belt sorter is as follows: Upon startup, the drive assembly applies a driving force to the trolley chain, causing it to move along the circular path formed by the circular conveyor assembly. As the drive wheel moves along the sorting path, the trolley chain transmits the driving force from the drive assembly to the drive wheel, causing the drive wheel and mounting shaft to continuously roll along the frame. When the narrow belt reaches the target sorting position, the clutch is energized, the rotating seat engages the drive wheel, and the drive wheel drives the rotating seat and drive wheel to rotate, thereby driving the rollers and causing the circular narrow belt to rotate, sorting the goods carried on the circular narrow belt to the left or right side of the linear sorter. This achieves the goods sorting function without the need for an electric roller to drive the narrow belt rotation.

[0052] The trolley chain configured as described above can borrow power from the main drive of the linear sorter (i.e., the drive assembly used to drive the circular conveyor assembly to move) to drive the circular narrow belt on the trolley chain to move, so as to sort the goods carried on the circular narrow belt to the left or right side of the linear narrow belt sorter. Because the main drive has high power, the torque output from the main drive to the trolley chain is large, which allows the narrow belt to transport heavy goods.

[0053] Preferably, the mounting shaft 51 is mounted on the bracket in a horizontal direction. The transmission unit also includes a driven transmission wheel whose rotation axis is consistent with the rotation axis of the annular narrow belt 7. The driven transmission wheel is rotatably mounted on the bracket. The driving transmission wheel is connected to the driven transmission wheel in a transmission connection. The driven transmission wheel is connected to the roller in a transmission connection.

[0054] It is only preferred that the mounting shaft 51 is mounted horizontally on the bracket. It is conceivable that the mounting shaft 51 is mounted vertically on the bracket.

[0055] Preferably, the trolley chain 4 is formed by connecting multiple trolleys 5 end to end in sequence; each trolley 5 includes a frame, and a transmission unit is provided in the frame of the trolley chain 4 to correspond one-to-one with the annular narrow belt 7 of the narrow belt chain, and the transmission unit drives its corresponding annular narrow belt 7 to rotate.

[0056] The following is based on Figures 3 to 5 The structure of the small car 5 will be described in detail.

[0057] It should be noted that setting two drive wheels (first drive wheel 52 and second drive wheel 53) on the mounting shaft makes the trolley more stable when drawing power from the main drive of the linear sorter. Alternatively, setting one drive wheel on the mounting shaft can also achieve the same result.

[0058] Preferably, in this embodiment, both the driving gear and the driven gear are bevel gears, and the driving gear meshes with the driven gear. This results in a simple structure and stable transmission between the driving gear and the driven gear. Furthermore, the driving gear has a toothed portion and a toothless portion connected in sequence, with the toothed portion positioned away from the rotating base 572 and the toothless portion positioned close to the rotating base 572.

[0059] Optionally, both the driving and driven transmission wheels are conical friction wheels ("conical friction wheel" refers to a transmission wheel in which the conical gear surface of a bevel gear is replaced with a conical friction surface), and the conical friction surface of the driving transmission wheel is connected to the conical friction surface of the driven transmission wheel.

[0060] Preferably, the frame of the trolley 5 is provided with two transmission unit groups arranged sequentially from front to back. Each transmission unit group has a first transmission unit and a second transmission unit arranged sequentially from left to right. The first transmission unit drives an annular narrow belt 7 on the first narrow belt chain 2 to rotate to the left, and the second transmission unit drives an annular narrow belt 7 on the second narrow belt chain 3 to rotate to the right. In the transmission unit group, the mounting shaft 51 of the first transmission unit and the mounting shaft 51 of the second transmission unit are the same shaft. The trolley 5 arranged in this way has a compact structure, small gaps between adjacent narrow belts, and a close arrangement, which facilitates the installation of multiple trolleys 5 onto the frame 1 to form a trolley chain 4.

[0061] It should be noted that in this embodiment, the arrangement of two transmission unit groups arranged from front to back on the frame of the trolley 5 is only a preferred option. It is conceivable that the trolley 5 may have one transmission unit group or three or more transmission unit groups arranged from front to back on its frame, which would also result in a compact structure and facilitate the installation of multiple trolleys 5 onto the frame 1 to form a trolley chain 4.

[0062] Preferably, the first transmission unit includes a first driven transmission wheel 54, a first clutch 56 and a first driving transmission wheel 58 sleeved on the mounting shaft 51. The first driving transmission wheel 58 meshes with the first driven transmission wheel 54, and the first clutch 56 engages the first driving transmission wheel 58. The first driving transmission wheel 58 rotates with the mounting shaft 51, driving the annular narrow belt 7 to rotate to the left via the first driven transmission wheel 54. The second transmission unit includes a second driven transmission wheel 55, a second clutch 57 and a second driving transmission wheel 59 sleeved on the mounting shaft 51. The second driving transmission wheel 59 meshes with the second driven transmission wheel 55, and the second clutch 57 engages the second driving transmission wheel 59. The driving wheel 59, along with the second driving drive wheel 59, rotates with the mounting shaft 51, driving the annular narrow belt 7 to rotate to the right via the second driven drive wheel 55. Corresponding to one transmission unit group, the frame is equipped with a first roller 60, a second roller 61, a third roller 62, and a fourth roller 63 arranged sequentially from left to right. An annular narrow belt 7 from the first narrow belt chain 2 is sleeved on the first roller 60 and the second roller 61, while an annular narrow belt 7 from the second narrow belt chain 3 is sleeved on the third roller 62 and the fourth roller 63. The first driven drive wheel 54 is connected to either the first roller 60 or the second roller 61, and the second driven drive wheel 55 is connected to either the third roller 62 or the fourth roller 63. Thus, the structure is simple and compact.

[0063] Furthermore, the end of the first driven drive wheel 54 away from the first driving drive wheel 58 has a first sprocket 541, which is coaxially arranged with the first driven drive wheel 54. The end of the first roller 60 or the second roller 61 has a coaxially arranged second sprocket 601, and the first sprocket 541 and the second sprocket 601 are connected by a chain drive. The end of the second driven drive wheel 55 away from the second driving drive wheel 59 has a third sprocket 551, which is coaxially arranged with the second driven drive wheel 55. The end of the third roller 62 or the fourth roller 63 has a coaxially arranged fourth sprocket 631, and the third sprocket 551 and the fourth sprocket 631 are connected by a chain drive. In this embodiment, the end of the first roller 60 has a coaxially arranged second sprocket 601, and the end of the fourth roller 63 has a coaxially arranged fourth sprocket 631.

[0064] Optionally, the first sprocket 541 can be replaced with the first pulley, the second sprocket 601 can be replaced with the second pulley, and the first pulley and the second pulley can be connected by belt drive; the third sprocket 551 can be replaced with the third pulley, the fourth sprocket 631 can be replaced with the fourth pulley, and the third pulley and the fourth pulley can be connected by belt drive.

[0065] Optionally, the first sprocket 541 can be replaced with the first gear, the second sprocket 601 can be replaced with the second gear, and the first gear and the second gear can be connected by a gear set for transmission; the third sprocket 551 can be replaced with the third gear, the fourth sprocket 631 can be replaced with the fourth gear, and the third gear and the fourth gear can be connected by a gear set for transmission.

[0066] Optionally, the first sprocket 541 can be replaced with a first bevel gear, and the second sprocket 601 can be replaced with a second bevel gear. The first bevel gear and the second bevel gear are connected by a rotating shaft. The first end of the rotating shaft has a bevel gear that meshes with the first bevel gear, and the second end of the rotating shaft has a bevel gear that meshes with the second bevel gear. Alternatively, the third sprocket 551 can be replaced with a third bevel gear, and the fourth sprocket 631 can be replaced with a fourth bevel gear. The third bevel gear and the fourth bevel gear are connected by a rotating shaft. The first end of the rotating shaft has a bevel gear that meshes with the third bevel gear, and the second end of the rotating shaft has a bevel gear that meshes with the fourth bevel gear.

[0067] Preferably, the frame includes a transmission box and a narrow belt frame 66 arranged sequentially from bottom to top. A mounting shaft 51 passes through the transmission box. A first drive wheel 52 is fixedly connected to the first end of the mounting shaft 51 extending out of the transmission box, and a second drive wheel 53 is fixedly connected to the second end of the mounting shaft 51 extending out of the transmission box. The clutch, the driving drive wheel, and the driven drive wheel are all housed within the transmission box. A first roller 60, a second roller 61, a third roller 62, a fourth roller 63, and an annular narrow belt 7 are mounted on the narrow belt frame 66. This design results in a compact structure, and the transmission box effectively protects the clutch, driving drive wheel, and driven drive wheel within it.

[0068] Preferably, the annular narrow strip 7 has a contact surface that contacts the roller, and an annular guide strip is provided on the contact surface along the direction of the annular narrow strip. The roller (including the first roller 60, the second roller 61, the third roller 62, and the fourth roller 63) has an annular guide groove surrounding the roller, and the annular guide strip is accommodated in the annular guide groove. In this way, through the cooperation of the annular guide strip and the annular guide groove, the annular narrow strip will not deviate in the front-to-back direction during the rotation of the roller driving the annular narrow strip, thus maintaining the stability of the sorting operation.

[0069] More preferably, the transmission box has two housings arranged from left to right, namely a first housing 67 and a second housing 68; in the two transmission unit groups, all the first clutches 56, the first driving drive wheel 58, and the first driven drive wheel 54 are housed in the first housing 67, and all the second clutches 57, the second driving drive wheel 59, and the second driven drive wheel 55 are housed in the second housing 68. In this way, the middle portion of the mounting shaft 51 can be exposed between the first housing 67 and the second housing 68, facilitating the connection of the middle portion of the mounting shaft 51 to adjacent trolleys 5, resulting in a more compact structure and allowing for smaller gaps between adjacent narrow belts.

[0070] Preferably, the first roller 60 is located to the left of the first driven drive wheel 54, and the fourth roller 63 is located to the right of the second driven drive wheel 55. A narrow belt frame 66 is rotatably mounted with a first sub-sprocket 661 and a second sub-sprocket, both coaxially integrated, corresponding to the position of the first driven drive wheel 54. Similarly, a narrow belt frame 66 is rotatably mounted with a third sub-sprocket 663 and a fourth sub-sprocket, both coaxially integrated, corresponding to the position of the second driven drive wheel 55. The first sprocket 541 is connected to the first sub-sprocket 661 via a first chain, the second sub-sprocket is connected to the second sprocket 601 via a second chain, the third sprocket 551 is connected to the third sub-sprocket 663 via a third chain, and the fourth sub-sprocket is connected to the fourth sprocket 631 via a fourth chain. This design makes the structure more compact.

[0071] More preferably, in the first transmission unit group, the teeth of the first driving transmission wheel 58 and the teeth of the second driving transmission wheel 59 are arranged facing each other; the first clutch 56 is mounted on the left side wall of the first housing 67; the second clutch 57 is mounted on the right side wall of the second housing 68; the first driven transmission wheel 54 is rotatably mounted on the front side wall of the first housing 67; and the second driven transmission wheel 55 is rotatably mounted on the front side wall of the second housing 68. In the second transmission unit group, the teeth of the first driving transmission wheel 58 and the teeth of the second driving transmission wheel 59 are arranged facing away from each other; the first clutch 56 is mounted on the right side wall of the first housing 67; the second clutch 57 is mounted on the left side wall of the second housing 68; the first driven transmission wheel 54 is rotatably mounted on the rear side wall of the first housing 67; and the second driven transmission wheel 55 is rotatably mounted on the rear side wall of the second housing 68. This results in a compact structure.

[0072] More preferably, in the first transmission unit group, the first sprocket 541 extends from the front side of the first housing 67, and the third sprocket 551 extends from the front side of the second housing 68; in the second transmission unit group, the first sprocket 541 extends from the rear side of the first housing 67, and the third sprocket 551 extends from the rear side of the second housing 68. With this arrangement, when adjacent front and rear trolleys 5 are connected, the first sprocket 541 on the rear side of the front trolley 5 is offset from the first sprocket 541 on the front side of the rear trolley 5, and the third sprocket 551 on the rear side of the front trolley 5 is also offset from the third sprocket 5 on the rear side of the rear trolley 5, making the structure more compact and allowing for a smaller gap between the narrow belt of the front trolley 5 and the adjacent narrow belt of the rear trolley 5.

[0073] Further, in this embodiment, in the first transmission unit group, the first sub-sprocket 661 is located on the outside of the narrow belt frame 66, the second sub-sprocket is located on the inside of the narrow belt frame 66, the third sub-sprocket 663 is located on the outside of the narrow belt frame 66, the fourth sub-sprocket is located on the inside of the narrow belt frame 66, and the second sprocket 601 and the fourth sprocket 631 are both located inside the narrow belt frame 66; in the second transmission unit group, the first sub-sprocket 661 is located on the outside of the narrow belt frame 66, the second sub-sprocket is located on the inside of the narrow belt frame 66, the third sub-sprocket 663 is located on the outside of the narrow belt frame 66, the fourth sub-sprocket is located on the inside of the narrow belt frame 66, and the second sprocket 601 and the fourth sprocket 631 are both located inside the narrow belt frame 66; the first sub-sprocket 661 of the first transmission unit group and the first sub-sprocket 661 of the second transmission unit group are misaligned, and the third sub-sprocket 663 of the first transmission unit group and the third sub-sprocket 663 of the second transmission unit group are misaligned. With this configuration, when the front trolley 5 and the rear trolley 5, which are arranged sequentially from front to back, are connected, the first sub-sprocket 661 on the rear side of the front trolley 5 is offset from the first sub-sprocket 661 on the front side of the rear trolley 5, and the third sub-sprocket 663 on the rear side of the front trolley 5 is also offset from the third sub-sprocket 663 on the rear side of the rear trolley 5. This makes the structure more compact and allows for a smaller gap between the narrow belt of the front trolley 5 and the adjacent narrow belt of the rear trolley 5.

[0074] Preferably, both the first drive wheel 52 and the second drive wheel 53 are gears, which are placed on the rack of the frame 1 to receive driving force and rotate along the frame 1 to move the trolley 5. In this way, by setting the first drive wheel 52 and the second drive wheel 53 as gears that cooperate with the rack on the frame 1, it is possible to more effectively borrow power from the main drive of the linear narrow strip sorter and output it stably to the trolley 5.

[0075] Of course, setting both the first drive wheel 52 and the second drive wheel 53 as gears is merely a preferred option. It is conceivable that both the first drive wheel 52 and the second drive wheel 53 could be configured as friction wheels, placed on the friction belt of the frame 1 to receive driving force and rotate along the frame 1 to move the trolley 5. This would also effectively draw power from the main drive of the linear narrow strip sorter and stably output it to the trolley 5. Furthermore, both the friction wheels and the friction belt are made of rubber, with friction stripes on the surface of both the friction wheels and the friction belt. This further increases the friction between the friction wheels and the friction belt, improving the effectiveness and stability of drawing power from the main drive of the linear narrow strip sorter.

[0076] Preferably, the clutch is an electromagnetic clutch or a magnetic powder clutch. Specifically, in this embodiment, the clutch is an electromagnetic clutch. Of course, the use of an electromagnetic clutch or a magnetic powder clutch is merely a preference; it is conceivable that a hydraulic clutch or a pneumatic clutch could also achieve the engagement of the rotating seat 572 with the drive wheel.

[0077] Preferably, at least the first and second ends of the mounting shaft 51 are threaded. The first drive wheel 52 is threaded to the first end of the mounting shaft 51, and the second drive wheel 53 is threaded to the second end of the mounting shaft 51. Two nuts are used to lock the first drive wheel 52 and the second drive wheel 53 onto the mounting shaft 51 on both sides, respectively. This secures the first drive wheel 52 and the second drive wheel 53 to the mounting shaft 51, facilitating installation and disassembly. Optionally, the first drive wheel 52 is welded to the first end of the mounting shaft 51, and the second drive wheel 53 is welded to the second end of the mounting shaft 51. This also secures the first drive wheel 52 and the second drive wheel 53 onto the mounting shaft 51.

[0078] The following is based on Figure 1 and Figure 2 This paper provides a detailed introduction to the structure of a linear narrow strip sorting machine.

[0079] Preferably, the annular conveyor assembly further includes a connecting plate (not shown in the figure); in the trolley chain 4, in the adjacent front trolley 5 and rear trolley 5 arranged sequentially from front to back, a first mounting position is provided in the middle of the rearmost mounting shaft 51 of the front trolley 5, and a second mounting position is provided in the middle of the foremost mounting shaft 51 of the rear trolley 5. The first end of the connecting plate is mounted on the first mounting position and forms a rotatable connection with the rearmost mounting shaft 51 of the front trolley 5, and the second end of the connecting plate is mounted on the second mounting position and forms a rotatable connection with the foremost mounting shaft 51 of the rear trolley 5. Since the middle of the mounting shaft 51 is exposed between the first housing 67 and the second housing 68, the adjacent trolleys 5 are connected by the middle of the mounting shaft 51 and the connecting plate to form the trolley chain 4, making the annular conveyor assembly structure more compact. The gap between adjacent narrow belts can be controlled to be smaller, and it is beneficial to form an annular conveyor assembly with a greater bending degree (the greater the bending degree of the annular conveyor assembly, the smaller the space occupied, and the fewer trolleys 5 are required for the same sorting length).

[0080] Specifically, in this embodiment, the first mounting position is rotatably mounted on the rearmost mounting shaft 51 of the front trolley 5, and the second mounting position is rotatably mounted on the frontmost mounting shaft 51 of the rear trolley 5. The first end of the connecting plate is fixedly connected to the first mounting position, and the second end of the connecting plate is fixedly connected to the second mounting position. This facilitates installation.

[0081] Furthermore, the two surfaces of the connecting plate are respectively positioned facing the inner and outer sides of the annular conveyor assembly. This makes the connection between adjacent trolleys 5 more stable.

[0082] Preferably, a first guide wheel 64 is rotatably mounted on the first end of the mounting shaft 51, and a second guide wheel 65 is rotatably mounted on the second end of the mounting shaft 51. The first guide wheel 64, the second guide wheel 65, and the mounting shaft 51 are coaxially arranged, with the first guide wheel 64 located on the side of the first drive wheel 52 away from the second drive wheel 53, and the second guide wheel 65 located on the side of the second drive wheel 53 away from the first drive wheel 52. A first annular groove (not shown in the figure) with its opening facing right is opened on the left side of the frame 1 corresponding to the annular conveying assembly, and a second annular groove (not shown in the figure) with its opening facing left is opened on the right side of the frame 1 corresponding to the annular conveying assembly. All the first guide wheels of the annular conveying assembly... All guide wheels 64 are located within the first annular groove. The two opposite walls of the first annular groove limit the movement of the first guide wheel 64. All second guide wheels 65 of the annular conveyor assembly are located within the second annular groove. The two opposite walls of the second annular groove limit the movement of the second guide wheel 65. A third guide wheel (not shown in the figure) is provided at the bottom of the transmission box of the trolley 5. The axis of the third guide wheel is perpendicular to the conveying surface of the annular narrow belt 7. The corresponding annular conveyor assembly of the frame 1 has a third annular groove with its opening facing outward of the annular conveyor assembly. All third guide wheels of the annular conveyor assembly are located within the third annular groove. The two opposite walls of the third annular groove limit the movement of the third guide wheel. Thus, by cooperating with the first guide wheel 64 and the first annular groove, and by cooperating with the second guide wheel 65 and the second annular groove, the frame 1 limits the vertical and horizontal movement of the annular conveyor assembly. By cooperating with the third guide wheel and the third annular groove, the frame 1 limits the horizontal movement of the annular conveyor assembly, thereby enabling the annular conveyor assembly to move stably along the annular path it forms.

[0083] Preferably, a first annular rack is provided on the left side of the frame 1 corresponding to the annular conveying assembly, and a second annular rack 11 is provided on the right side of the frame 1 corresponding to the annular conveying assembly; the first drive wheel 52 is a gear and is placed on the first annular rack, and the second drive wheel 53 is a gear and is placed on the second annular rack 11.

[0084] It should be noted that the drive assembly mounted on the frame 1 can be a linear motor or a rotary motor, and the present invention does not limit this. Specifically, in this embodiment, the drive assembly is a linear motor, including a primary structure and a secondary structure. The primary structure is disposed on the frame 1 and located in the middle of the annular conveying assembly in the vertical direction, and the secondary structure is disposed on the plate surface of the connecting plate facing the inner side of the annular conveying assembly.

[0085] Example 2

[0086] The main difference between this embodiment and Embodiment 1 is:

[0087] In the transmission unit group, the mounting shaft of the first transmission unit and the mounting shaft of the second transmission unit are two shafts, and the mounting shaft of the first transmission unit and the mounting shaft of the second transmission unit are arranged coaxially; the two ends of the mounting shaft of the first transmission unit are respectively fixedly sleeved with a first drive wheel and a second drive wheel, and the two ends of the mounting shaft of the second transmission unit are respectively fixedly sleeved with a third drive wheel and a fourth drive wheel; the first drive wheel, the second drive wheel, the third drive wheel and the fourth drive wheel are used to be placed on the frame of the linear narrow strip sorter to receive driving force and rotate along the frame to drive the trolley to move.

[0088] Accordingly, the annular conveying assembly also includes a first connecting plate and a second connecting plate; in the trolley chain, in the adjacent front and rear trolleys arranged sequentially from front to back, the first end of the first connecting plate is rotatably connected to the rear side wall of the first housing of the front trolley, the second end of the first connecting plate is rotatably connected to the front side wall of the first housing of the rear trolley, the first end of the second connecting plate is rotatably connected to the rear side wall of the second housing of the front trolley, and the second end of the second connecting plate is rotatably connected to the front side wall of the second housing of the rear trolley; the two plate surfaces of the first connecting plate are respectively arranged facing the inner and outer sides of the annular conveying assembly, and the two plate surfaces of the second connecting plate are respectively arranged facing the inner and outer sides of the annular conveying assembly; the secondary structure of the drive assembly is arranged on the plate surface of the first connecting plate facing the inner side of the annular conveying assembly and the plate surface of the second connecting plate facing the inner side of the annular conveying assembly.

[0089] Correspondingly, a first guide wheel is rotatably sleeved on the left end of the mounting shaft of the first transmission unit, and a second guide wheel is rotatably sleeved on the right end of the mounting shaft of the second transmission unit. The first guide wheel is located on the side of the first drive wheel away from the second drive wheel, and the second guide wheel is located on the side of the fourth drive wheel away from the third drive wheel. A first annular groove with its opening facing right is opened on the left side of the frame corresponding to the annular conveying assembly, and a second annular groove with its opening facing left is opened on the right side of the frame corresponding to the annular conveying assembly. All the first guide wheels of the annular conveying assembly are located in the first annular groove, and the two groove walls of the first annular groove, which are arranged opposite each other, limit the first guide wheel. All the second guide wheels of the annular conveying assembly are located in the second annular groove, and the two groove walls of the second annular groove, which are arranged opposite each other, limit the second guide wheel. A third guide wheel is provided at the bottom of the transmission box of the trolley. The axis of the third guide wheel is perpendicular to the conveying surface of the annular narrow belt. A third annular groove with its opening facing outward of the annular conveying assembly is opened on the corresponding annular conveying assembly of the frame. All the third guide wheels of the annular conveying assembly are located in the third annular groove, and the two groove walls of the third annular groove, which are arranged opposite each other, limit the third guide wheel. Thus, by cooperating with the first guide wheel and the first annular groove, and by cooperating with the second guide wheel and the second annular groove, the frame limits the vertical and horizontal movement of the annular conveying component. By cooperating with the third guide wheel and the third annular groove, the frame limits the horizontal movement of the annular conveying component, thereby enabling the annular conveying component to move stably along the annular path it forms.

[0090] Correspondingly, a first annular rack is provided on the left side of the frame corresponding to the annular conveying assembly, a second annular rack is provided on the right side of the frame corresponding to the annular conveying assembly, and a third annular rack is provided on the middle part of the frame in the left-right direction corresponding to the annular conveying assembly; the first drive wheel, the second drive wheel, the third drive wheel and the fourth drive wheel are all gears, the first drive wheel is placed on the first annular rack, the fourth drive wheel is placed on the second annular rack, and the second drive wheel and the third drive wheel are placed on the third annular rack.

[0091] The rest of the content is the same as in Example 1, and will not be repeated here.

[0092] Example 3

[0093] The main difference between this embodiment and Embodiment 1 is:

[0094] The trolley chain includes a first trolley chain and a second trolley chain arranged side-by-side from left to right. The first trolley chain is formed by connecting multiple first trolleys end-to-end in sequence, and the second trolley chain is formed by connecting multiple second trolleys end-to-end in sequence. A first narrow strip chain is mounted on the first trolley chain, and a second narrow strip chain is mounted on the second trolley chain. A first transmission unit is installed on each annular narrow strip of the first narrow strip chain, and a second transmission unit is installed on each annular narrow strip of the second narrow strip chain. The first transmission unit drives its corresponding annular narrow strip to rotate to the left, and the second transmission unit drives its corresponding annular narrow strip to rotate to the right. A first drive wheel and a second drive wheel are fixedly sleeved at both ends of the mounting shaft of the first transmission unit, and a third drive wheel and a fourth drive wheel are fixedly sleeved at both ends of the mounting shaft of the second transmission unit. The first, second, third, and fourth drive wheels are placed on the frame of the linear narrow strip sorter to receive driving force and rotate along the frame to move the trolleys.

[0095] Accordingly, the annular conveying assembly also includes a first connecting plate and a second connecting plate; in the first trolley sub-chain, in the adjacent front and rear trolleys arranged sequentially from front to back, the first end of the first connecting plate is rotatably connected to the frame of the front trolley, and the second end of the first connecting plate is rotatably connected to the frame of the rear trolley; in the second trolley sub-chain, in the adjacent front and rear trolleys arranged sequentially from front to back, the first end of the second connecting plate is rotatably connected to the frame of the front trolley, and the second end of the second connecting plate is rotatably connected to the frame of the rear trolley; the two surfaces of the first connecting plate are respectively arranged facing the inner and outer sides of the annular conveying assembly; the secondary structure of the drive assembly is arranged on the surface of the first connecting plate facing the inner side of the annular conveying assembly and the surface of the second connecting plate facing the inner side of the annular conveying assembly.

[0096] Correspondingly, a first guide wheel is rotatably sleeved on the left end of the mounting shaft of the first transmission unit, and a second guide wheel is rotatably sleeved on the right end of the mounting shaft of the second transmission unit. The first guide wheel is located on the side of the first drive wheel away from the second drive wheel, and the second guide wheel is located on the side of the fourth drive wheel away from the third drive wheel. A first annular groove with its opening facing right is opened on the left side of the frame corresponding to the annular conveying assembly, and a second annular groove with its opening facing left is opened on the right side of the frame corresponding to the annular conveying assembly. All the first guide wheels of the annular conveying assembly are located in the first annular groove, and the two groove walls of the first annular groove, which are arranged opposite each other, limit the first guide wheel. All the second guide wheels of the annular conveying assembly are located in the second annular groove, and the two groove walls of the second annular groove, which are arranged opposite each other, limit the second guide wheel. A third guide wheel is provided at the bottom of the transmission box of the trolley. The axis of the third guide wheel is perpendicular to the conveying surface of the annular narrow belt. A third annular groove with its opening facing outward of the annular conveying assembly is opened on the corresponding annular conveying assembly of the frame. All the third guide wheels of the annular conveying assembly are located in the third annular groove, and the two groove walls of the third annular groove, which are arranged opposite each other, limit the third guide wheel. Thus, by cooperating with the first guide wheel and the first annular groove, and by cooperating with the second guide wheel and the second annular groove, the frame limits the vertical and horizontal movement of the annular conveying component. By cooperating with the third guide wheel and the third annular groove, the frame limits the horizontal movement of the annular conveying component, thereby enabling the annular conveying component to move stably along the annular path it forms.

[0097] Correspondingly, a first annular rack is provided on the left side of the frame corresponding to the annular conveying assembly, a second annular rack is provided on the right side of the frame corresponding to the annular conveying assembly, and a third annular rack is provided on the middle part of the frame in the left-right direction corresponding to the annular conveying assembly; the first drive wheel, the second drive wheel, the third drive wheel and the fourth drive wheel are all gears, the first drive wheel is placed on the first annular rack, the fourth drive wheel is placed on the second annular rack, and the second drive wheel and the third drive wheel are placed on the third annular rack.

[0098] The rest of the content is the same as in Example 1, and will not be repeated here.

[0099] Example 4

[0100] The main difference between this embodiment and Embodiment 1 is:

[0101] The mounting shaft is rotatably mounted on the bracket, the drive wheel is rotatably sleeved on the mounting shaft, and the drive transmission wheel is fixedly sleeved on the mounting shaft. The clutch has a fixed seat fixedly connected to the bracket and a rotating seat fixedly sleeved on the mounting shaft. When the clutch is energized, the rotating seat attracts the drive wheel, forming a transmission connection between the drive wheel and the drive transmission wheel.

[0102] The rest of the content is the same as in Example 1, and will not be repeated here.

[0103] Example 5

[0104] The main difference between this embodiment and Embodiment 1 is:

[0105] The mounting shaft is fixedly mounted on the bracket, the drive wheel is rotatably sleeved on the mounting shaft, the drive transmission wheel is rotatably sleeved on the mounting shaft, and the clutch has a fixed seat fixedly connected to the bracket and a rotating seat rotatably sleeved on the mounting shaft. The drive wheel and the drive transmission wheel are located on both sides of the rotating seat.

[0106] When the clutch is energized, the rotating seat engages the drive wheel and the drive transmission wheel, forming a transmission connection between the drive wheel and the drive transmission wheel, while the drive transmission wheel and the roller still maintain a transmission connection.

[0107] The rest of the content is the same as in Example 1, and will not be repeated here.

[0108] In the description of this invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0109] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0110] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that they are in indirect contact through an intermediate medium. Furthermore, "above," "over," or "on top" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," or "beneath" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0111] In the description of this specification, the terms "one embodiment," "some embodiments," "embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0112] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make modifications, alterations, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A linear narrow strip sorting machine, characterized in that, The assembly includes a frame (1) and an annular conveyor assembly mounted on the frame (1). The annular conveyor assembly includes a first narrow belt chain (2), a second narrow belt chain (3), and a trolley chain (4) arranged according to their shapes. The first narrow belt chain (2) and the second narrow belt chain (3) are arranged side by side from left to right. The first narrow belt chain (2) and the second narrow belt chain (3) are both mounted on the trolley chain (4), which is mounted on the frame (1). The trolley chain (4) drives each ring narrow strip (7) on the first narrow strip chain (2) to rotate only to the left, and the trolley chain (4) drives each ring narrow strip (7) on the second narrow strip chain (3) to rotate only to the right; The support of the trolley chain (4) is provided with several transmission unit groups; each transmission unit group has a first transmission unit and a second transmission unit arranged from left to right. The first transmission unit drives a ring narrow belt (7) on its corresponding first narrow belt chain (2) to rotate to the left, and the second transmission unit drives a ring narrow belt (7) on its corresponding second narrow belt chain (3) to rotate to the right; all the first transmission units are set one-to-one with the ring narrow belt (7) of the first narrow belt chain (2), and all the second transmission units are set one-to-one with the ring narrow belt (7) of the second narrow belt chain (3); Both the first and second transmission units include a mounting shaft (51), a clutch, a drive wheel, a drive wheel, and a roller for driving the rotation of the annular narrow belt (7). The mounting shaft is mounted on the bracket of the trolley chain (4). The drive wheel and the drive wheel are both sleeved on the mounting shaft (51). The clutch has a fixed seat (571) fixedly connected to the bracket and a rotating seat (572) sleeved on the mounting shaft (51). The drive wheel is placed on the frame of the linear sorter and rolls continuously along the frame along the sorting path following the trolley chain. The drive wheel is connected to the roller for transmission. When the clutch is energized, the rotating seat (572) engages the drive wheel and / or the drive wheel, forming a transmission connection between the drive wheel and the drive wheel. The mounting shaft (51) is mounted horizontally on the bracket of the trolley chain (4). In the transmission unit group, the mounting shaft (51) of the first transmission unit and the mounting shaft (51) of the second transmission unit are the same shaft.

2. The linear narrow strip sorting machine according to claim 1, characterized in that, The chain of small carts (4) is formed by connecting multiple small carts (5) end to end in sequence; The trolley (5) includes a frame. The trolley chain (4) has a transmission unit installed in the frame corresponding to the annular narrow belt (7) of the narrow belt chain. The transmission unit drives the corresponding annular narrow belt (7) to rotate.

3. The linear narrow strip sorting machine according to claim 1, characterized in that, The trolley chain (4) includes a first trolley sub-chain and a second trolley chain arranged side by side from left to right. The first trolley chain is formed by connecting multiple first trolleys head to tail in sequence, and the second trolley chain is formed by connecting multiple second trolleys head to tail in sequence. A first narrow belt chain is installed on the first trolley chain, and a second narrow belt chain is installed on the second trolley chain. Both the first and second trolleys include a frame. The frame of the first trolley is equipped with a first transmission unit corresponding to the annular narrow belt of the first narrow belt chain. The frame of the second trolley is equipped with a second transmission unit corresponding to the annular narrow belt of the second narrow belt chain. The first transmission unit drives its corresponding annular narrow belt (7) to rotate to the left, and the second transmission unit drives its corresponding annular narrow belt (7) to rotate to the right.

4. The linear narrow strip sorting machine according to claim 1, characterized in that, The mounting shaft (51) is rotatably mounted on the bracket, the drive wheel is rotatably sleeved on the mounting shaft (51), the drive transmission wheel is fixedly sleeved on the mounting shaft (51), and the clutch has a fixed seat (571) fixedly connected to the bracket and a rotating seat (572) fixedly sleeved on the mounting shaft (51). When the clutch is energized, the rotating seat (572) engages the drive wheel, forming a transmission connection between the drive wheel and the active transmission wheel.

5. The linear narrow strip sorting machine according to claim 1, characterized in that, The mounting shaft (51) is rotatably mounted on the bracket, the drive wheel is fixedly sleeved on the mounting shaft (51), the drive transmission wheel is rotatably sleeved on the mounting shaft (51), and the clutch has a fixed seat (571) fixedly connected to the bracket and a rotating seat (572) fixedly sleeved on the mounting shaft (51). When the clutch is energized, the rotating seat (572) engages the drive wheel, forming a transmission connection between the drive wheel and the drive wheel, while the drive wheel and the drum remain in a transmission connection.

6. The linear narrow strip sorting machine according to claim 1, characterized in that, The mounting shaft (51) is fixedly mounted on the bracket. The drive wheel is rotatably sleeved on the mounting shaft (51), and the active transmission wheel is rotatably sleeved on the mounting shaft (51). The clutch has a fixed seat (571) fixedly connected to the bracket and a rotating seat (572) rotatably sleeved on the mounting shaft (51). The drive wheel and the active transmission wheel are located on both sides of the rotating seat (572). When the clutch is energized, the rotating seat (572) engages the drive wheel and the drive transmission wheel, forming a transmission connection between the drive wheel and the drive transmission wheel, while the drive transmission wheel and the roller still maintain a transmission connection.

7. The linear narrow strip sorting machine according to claim 1, characterized in that, The mounting shaft (51) is mounted on the bracket in a horizontal direction. The transmission unit also includes a driven transmission wheel whose rotation axis is consistent with the rotation axis of the annular narrow belt (7). The driven transmission wheel is rotatably mounted on the bracket. The driving transmission wheel is connected to the driven transmission wheel in a transmission connection. The driven transmission wheel is connected to the roller in a transmission connection. Both the driving and driven gears are bevel gears, and the driving and driven gears mesh; or, both the driving and driven gears are conical friction wheels, and the conical friction surface of the driving gear contacts the conical friction surface of the driven gear.

8. The linear narrow strip sorting machine according to claim 1, characterized in that, The drive wheel is a gear, placed on the rack of the frame, and rolls continuously along the rack as the trolley moves along the sorting path; or, the drive wheel is a friction wheel, placed on the friction belt of the frame, and rolls continuously along the friction belt as the trolley moves along the sorting path.

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