A linear cross belt sorting machine

Abstract

The present invention relates to the technical field of equipment in the logistics industry, and specifically to a linear cross-belt sorting machine, comprising a driving end mechanism, a driven end mechanism, and a driving chain connected between the driving end mechanism and the driven end mechanism, and also comprising a trolley driven by the driving chain and a tray belt conveyor for sorting installed on the trolley, wherein the driving end mechanism is provided with a driving disk, and the driven end mechanism is provided with a driven disk, the driving chain is wound around the driving disk and the driven disk to form a closed loop that runs back and forth, the left and right ends of the trolley are respectively provided with a left running wheel and a right running wheel, the driving end mechanism is provided with left and right driving end U-shaped guide grooves for respectively running and guiding the left and right running wheels, the driven end mechanism is provided with left and right driven end U-shaped guide grooves for respectively running and guiding the left and right running wheels, the driving disk and the driven disk are located between the left and right running wheels, and the operation is stable with low noise.

Description

Technical Field

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

[0002] Linear cross-belt sorting machines are widely used for sorting objects in the fields of express delivery and e-commerce. As a derivative product of the circular cross-belt, the linear cross-belt sorting machine has many advantages such as small space occupation, high sorting efficiency, low investment cost, and wide applicability in application scenarios, and has broad market prospects. At present, there are many areas for improvement in the structural details of the linear cross-belt sorting machines on the market. For example, the vertical circular drive methods mainly include linear motor drive and AC reducer drive traction chain. The linear motor has the defects of complex structural design, high manufacturing precision and high energy consumption of equipment; the connection structure between the chain and the trolley assembly mostly adopts the transition connection block method, and the motion trajectory is irregular at the semicircle of the head and tail ends, which is easy to generate impact noise; the tensioning method of the chain, currently, most of them adopt the overall frame adjustment method. If the chain stretches after a period of use, it is necessary to remove the anchor bolts and then translate the overall frame for tensioning, which is not only cumbersome but also affects the accuracy of the equipment in the later stage; the intermediate frame mostly adopts the welded frame, which has poor processing precision and high cost, etc., especially for the drive transmission, which has a great impact on the structure.

[0003] For example, the application No. 201910829998.9 discloses a novel linear cross-belt sorting machine, including a frame, a sorting trolley, a driving chain, a driving sprocket and a driven sprocket. The sorting trolley is placed in a circular guide rail through a front row of load-bearing wheels and a rear row of load-bearing wheels, and the guide rail is fixedly connected to the frame. The driving chain is hinged to the middle of one end of the sorting trolley, and the driving chain is sleeved on the driving sprocket and the driven sprocket. The driving sprocket and the driven sprocket are rotatably mounted at both ends of the frame, and the wheelbase of the front row of load-bearing wheels is The guide rail is smaller than the wheelbase of the rear load-bearing wheels, and is provided with double-side guide rails. The outer guide rail includes two upper and lower layers of two straight-line guide rails and an ascending arc-shaped guide rail that are disconnected from each other, and the inner guide rail includes two upper and lower layers of two straight-line guide rails and a descending arc-shaped guide rail that are disconnected from each other, and the disconnection distance is smaller than the front and rear wheelbases. The ascending arc-shaped guide rail and the descending arc-shaped guide rail are respectively fixedly connected to both ends of the frame, and are driven by the structure of two active sprockets. The structure is relatively complex, the stability is not high enough, and the vibration and noise are also large. Summary of the invention

[0004] The object of the present invention is to provide a linear cross-belt sorting machine which operates smoothly and has low noise.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions: a linear cross-belt sorting machine, comprising a driving end mechanism, a driven end mechanism and a driving chain connected between the driving end mechanism and the driven end mechanism, and also comprising a trolley driven by the driving chain and a tray belt conveyor for sorting installed on the trolley, the driving end mechanism having a driving disk, the driven end mechanism having a driven disk, the driving chain being wound around the driving disk and the driven disk to form a closed loop that runs back and forth, the left and right ends of the trolley are respectively provided with a left walking wheel and a right walking wheel, the driving end mechanism is provided with two left and right driving end U-shaped guide grooves for respectively traveling and guiding the left and right walking wheels, the driven end mechanism is provided with two left and right driven end U-shaped guide grooves for respectively traveling and guiding the left and right walking wheels, the driving disk and the driven disk are located between the left and right walking wheels.

[0006] As a preferred embodiment of the present invention, the driving chain is a closed-loop rubber chain.

[0007] As a preferred embodiment of the present invention, the links of the drive chain are provided with link mounting holes which penetrate from left to right.

[0008] As a preferred embodiment of the present invention, the trolley is connected to the driving chain via a pin extending left and right.

[0009] As a preferred embodiment of the present invention, an intermediate frame for the trolley to move in a straight line is also arranged between the driving end mechanism and the driven end mechanism, and an upper left guide rail and a lower left guide rail for the left walking wheel to support the movement are installed on the intermediate frame, and an upper right guide rail and a lower right guide rail for the right walking wheel to support the movement are also installed on the intermediate frame, the upper left guide rail and the upper right guide rail are arranged in parallel and spaced apart from left to right, and the lower left guide rail and the lower right guide rail are arranged in parallel and spaced apart from left to right.

[0010] As a preferred embodiment of the present invention, the bottom of the trolley is provided with linear travel guide wheels outside the trolley for guiding the trolley to travel in a straight line forward and backward.

[0011] As a preferred embodiment of the present invention, the middle frame is also equipped with an upper linear walking guide rail and a lower linear walking guide rail extending forward and backward, the upper linear walking guide rail extending forward and backward is provided with an upper linear guide groove, and the lower linear walking guide rail is provided with a lower linear guide groove.

[0012] As a preferred embodiment of the present invention, a plurality of contactor brackets arranged in a straight line and a plurality of leakage cable fixing clamps arranged in a straight line are also installed on the intermediate frame.

[0013] As a preferred embodiment of the present invention, the driving end mechanism is provided with a plurality of contactor brackets arranged in a U shape and a plurality of leakage cable fixing clamps arranged in a U shape.

[0014] As a preferred embodiment of the present invention, the driven end mechanism is provided with a plurality of sliding contact brackets arranged in a U shape and a plurality of leakage cable fixing clamps arranged in a U shape.

[0015] Beneficial effects of the present invention: 1. The structure of only one driving disc and one driven disc, only one driving chain, and the driving mode in the middle of the left and right sides of the trolley will have better synchronization. The trolley is only driven by one chain, and the shaking is reduced, the stability is improved, and the noise is reduced;

[0016] 2. The whole set of trolleys has no major impact and runs smoothly.

[0017] Sorting efficiency is improved and the failure rate is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a status diagram of the sorting machine when it is packed and working; Figure 2 This is a schematic diagram of the partial structure of the sorting machine after the middle frame is removed; Figure 3 This is a schematic diagram of the installed structure of the drive end mechanism; Figure 4 It is a schematic diagram of the three-dimensional structure after the drive end mechanism is disassembled; Figure 5 for Figure 4 The enlarged view of point I in the middle; Figure 6 for Figure 4 Schematic diagram of the three-dimensional structure from another perspective; Figure 7 It is a cross-sectional view of the transmission part of the drive disc; Figure 8 It is a schematic diagram of the disassembled state of the tensioning end mechanism; Fig. 9 for Figure 8 Schematic diagram of the medial part; Fig.10 for Figure 8 Schematic diagram after assembly; Fig.11 It is a three-dimensional structural schematic diagram of the structure at the middle frame; Fig.12 for Fig.11 A front view of the upper part of the middle structure; Fig.13 for Fig.11 A front view of the lower part of the middle structure; Fig.14 is a schematic diagram of the frame of the car; Fig.15 is a schematic diagram of the car; Fig.16 for Fig.14 Rear view of Fig.17 This is a front cross-sectional view of the trolley and drive connection after connection. DETAILED DESCRIPTION

[0019] The following specific embodiments are merely explanations of the present invention and are not limitations of the present invention. After reading this specification, those skilled in the art may make modifications to the embodiments without any creative contribution as needed. However, such modifications are protected by the patent law as long as they are within the scope of the claims of the present invention.

[0020] Embodiment 1, as Figure 1-17As shown, a linear cross-belt sorting machine includes a driving end mechanism, a driven end mechanism and a driving chain 1 connected between the driving end mechanism and the driven end mechanism, and also includes a trolley a driven by the driving chain 1 and a pallet belt conveyor b for sorting installed on the trolley a. The pallet belt conveyor b will be installed and connected to the top of the trolley. The pallet belt conveyor b is used to carry and sort goods. The conveying direction of the pallet belt conveyor b will cross the direction of the trolley, and can be designed as a vertical cross conveyor like the existing ones. The driving end mechanism has a driving disk b1, and the driven end mechanism has a driven disk c1. The driving chain 1 is wound around the driving disk b1 and the driven disk c1 to form a closed back-and-forth loop. The driven end mechanism is generally also called a tensioning end mechanism, because some tensioning devices will be set in the driven end mechanism to tension the chain to prevent the chain from loosening due to long-term use. The transportation of trolley a is generally driven by the upper driving chain section of the driven end mechanism to the driving end mechanism, and then the trolley turns up and down at the driving end mechanism and drives the pallet belt conveyor b to the driven end mechanism in the lower driving chain section, and then is guided up by the driven end mechanism. In this way, a trolley operation that circulates up and down from the driven end mechanism to the driving end mechanism can be formed. The so-called position of the driven end mechanism can be regarded as the front end, and the position of the driving end mechanism can be regarded as the rear end. The trolley moves from the front end to the rear end in the section above the driving chain. At this time, it is forwardly carrying the pallet belt conveyor b. The pallet belt conveyor b carries the goods to sort the goods in the process of the trolley moving from the front end to the rear end, and sorts the goods on the belt to the left or right through the belt operation. When it reaches the driving end mechanism at the rear end, the sorted trolley turns downward with the pallet belt conveyor b and goes to the driven end mechanism at the front end to continue the reciprocating loading and sorting operations of the goods. The trolley of the present application is designed as follows: a left walking wheel a1 and a right walking wheel a2 are respectively provided at the left and right ends of the trolley a; the driving end mechanism is provided with two left and right driving end U-shaped guide grooves b2 for respectively traveling and guiding the left walking wheel a1 and the right walking wheel a2; the left and right driving end U-shaped guide grooves b2 are relatively spaced and arranged on the left and right sides of the trolley; the U-shaped opening of the driving end U-shaped guide groove b2 is facing the driven end mechanism at the front end; and the driven end mechanism is provided with two left and right driven end U-shaped guide grooves c2 for respectively traveling and guiding the left walking wheel a1 and the right walking wheel a2; the left and right driven end U-shaped guide grooves c2 are also relatively spaced and arranged on the left and right sides of the trolley; and the U-shaped opening of the driven end U-shaped guide groove c2 is facing the driving end mechanism at the rear end, so that the trolley can achieve a 180-degree turn between the upper and lower sides through the left and right walking wheels a1 and the right walking wheels a2 on its left and right sides.The driving disk b1 and the driven disk c1 are located between the left and right walking wheels a1 and a2, preferably in the middle. Of course, the driving disk b1 and the driven disk c1 are relative to each other in front and back so as to ensure that the driving chain 1 around the two is basically in the same vertical plane to reduce the left and right twisting. Obviously, this single driving chain 1 is also located between the left and right walking wheels a1 and a2, that is, in the middle of the left and right sides of the trolley. In this way, the stability of the driving chain driven structure will be better. The driven end U-shaped guide groove c2 and the driving end U-shaped guide groove b2 both include two upper and lower straight segments p1 and a circular arc segment p2 connected between the two straight segments p1. They are both composed of three segments. The only difference is that the openings of the circular arc segment p2 of the driven end U-shaped guide groove c2 and the circular arc segment p2 of the driving end U-shaped guide groove b2 are arranged facing each other. In addition, the axis of the arc segment p2 of the driven end U-shaped guide groove c2 should be as consistent as possible with the axis of the driven disc c1, and the axis of the arc segment p2 of the driving end U-shaped guide groove b2 should be as consistent as possible with the axis of the driving disc b1, to ensure that the angle change of the trolley's turning and walking is consistent with the driving disc and the guide groove, thereby improving the stability of the travel. In addition, the above-mentioned driving disc b1 and the driven disc c1 can both adopt a disc structure with a gear on the outer periphery.

[0021] Furthermore, the drive chain 1 is a closed-loop rubber chain in the shape of a runway. The chain links of the drive chain 1 are provided with chain link mounting holes 10 that penetrate left and right for mounting and connecting the trolley. The trolley a is connected to the drive chain 1 through a pin shaft x extending left and right. The drive chain 1 is directly connected to the left and right middle parts of the trolley. The structure is simple and the stability is good.

[0022] An intermediate frame z for the trolley a to travel in a straight line is also arranged between the driving end mechanism and the driven end mechanism. The intermediate frame z can be made of an aluminum profile frame, can be produced in a modular manner, is easy to build, and has high precision. The intermediate frame z requires a plurality of front and rear ends to be butted together to form an intermediate frame assembly in the middle of the sorting machine for the trolley to travel in a straight line better. The intermediate frame z is equipped with an upper left guide rail z1 and a lower left guide rail z2 for the left walking wheel a1 to support the walking. The intermediate frame z is also equipped with an upper right guide rail z3 and a lower right guide rail z4 for the right walking wheel a2 to support the walking. The upper left guide rail z 1 and the upper right guide rail z3 are arranged in parallel and spaced relation, the lower left guide rail z2 and the lower right guide rail z4 are arranged in parallel and spaced relation, these guide rails are all linear guide rails, and can be supported by the running wheels and can travel forward and backward, and the upper surfaces of these guide rails can adopt a flat structure, so that the running wheels can travel, the upper left guide rail z1 is respectively connected to the upper straight line segment p1 of the U-shaped guide rail groove c2 at the left driven end and the upper straight line segment p1 of the U-shaped guide rail groove b2 at the left driving end, so that the trolley can transition from the straight line travel of the middle frame z in the middle to the straight line segment p1 at the upper and lower turning positions to connect and then turn. The lower left guide rail z2 is respectively connected to the lower straight line segment p1 of the U-shaped guide rail groove c2 at the left driven end and the lower straight line segment p1 of the U-shaped guide rail groove b2 at the left driving end. The upper right guide rail z3 is connected to the upper front and rear two straight line segments on the right side, and the lower right guide rail z4 is connected to the lower front and rear two straight line segments on the right side.

[0023] Furthermore, the bottom of the trolley a is equipped with a linear guide wheel a3 outside the vehicle for guiding the trolley a to move in a straight line forward and backward. This linear guide wheel a3 is a wheel whose axial direction is perpendicular to the axial direction of the travel wheel. It only needs to be guided in the straight line movement of the middle frame, because there are U-shaped guide grooves at the front and rear ends to guide the action wheels on the left and right sides, which is sufficient for guidance. The middle frame z is also equipped with an upper linear guide rail z5 and a lower linear guide rail z6 extending forward and backward. The upper linear guide rail z5 extending forward and backward is provided with an upper linear guide groove z50, and the lower linear guide rail z6 is provided with a lower linear guide groove z60. The upper linear guide groove z50 is a rectangular groove with an opening facing upward and connected between the front and rear, and the lower linear guide groove z60 is a rectangular groove with an opening facing downward and connected between the front and rear. The upper linear travel guide rail z5 and the lower linear travel guide rail z6 are opposite to each other and are located on the same side of the drive chain 1 . For example, if they are both on the right side of the drive chain 1 , then the linear travel guide wheel a3 is also on the right side of the drive chain 1 .

[0024] The intermediate frame z is also equipped with a plurality of contactor brackets z7 arranged in a straight line and a plurality of leakage cable fixing clamps z8 arranged in a straight line. The contactor bracket z7 is used to load the contactor for power supply, and the leakage cable fixing clamp z8 is used to clamp the cable communication for control. Furthermore, the driving end mechanism is provided with a plurality of contactor brackets z7 arranged in a U shape and a plurality of leakage cable fixing clamps z8 arranged in a U shape. The driven end mechanism is provided with a plurality of contactor brackets z7 arranged in a U shape and a plurality of leakage cable fixing clamps z8 arranged in a U shape. The arrangement of all contactors and leakage cables also forms a reciprocating surrounding pattern synchronized with the drive chain, with better synchronization and more stable and reliable operation of the trolley. The contactor bracket z7 and the leakage cable fixing clamp z8 are located on the same side of the drive chain 1, and preferably, the contactor bracket z7 and the leakage cable fixing clamp z8 are on different sides of the drive chain from the straight travel guide wheel a3. For example, the contactor bracket z7 and the leakage cable fixing clamp z8 are on the left side of the drive chain 1.

[0025] The aforementioned structure is mainly the main part of the sorting machine, which should also be equipped with a package supply component 51, a code scanning component 52, a grid 53 and a control system 54 when in use. The objects to be sorted are sent to the main part of the sorting machine in a certain packaging form, and are carried by the pallet belt conveyor b for transportation. The barcode scanning components such as the barcode reader automatically scan and read the objects. The control system 54 will control a single vehicle or multiple vehicles to sort and transport the objects according to the volume of the objects, and sort the objects to the designated grid 53. The pallet belt conveyor b is driven by an electric roller. The conveying and sorting direction of the pallet belt conveyor b is perpendicular to the running direction of the trolley. The power required by the pallet belt conveyor b is supplied by a sliding contactor, and the control signal is transmitted contactlessly using a leaky wave cable.

[0026] Embodiment 2, with reference to the accompanying drawings of embodiment 1, a driving end mechanism of a linear cross belt sorting machine, which can be used for the linear cross belt sorting machine of embodiment 1, mainly comprises a main motor shaft b41 and a driving disc b1 mounted on the main motor shaft b41 for driving the driving chain 1 to operate, and the left and right sides of the driving disc b1 are fixedly connected to the main motor shaft b41 through a tensioning sleeve b42. Compared with the flat key connection method, the torque transmission and the strength of impact load resistance are greatly enhanced by using the tensioning sleeve b42 connection.

[0027] Furthermore, a tensioning sleeve b42 is respectively provided on both sides of the driving disc b1.

[0028] The left and right sides of the center hole of the driving disk b1 extend to the left to form a left annular sleeve b11 and extend to the right to form a right annular sleeve b12, respectively. The tension sleeve b42 is embedded and sleeved between the left annular sleeve b11 and the main motor shaft b41 and between the right annular sleeve b12 and the main motor shaft b41. The center hole of the driving disk b1 is still used for the main motor shaft b41 to pass through and sleeve, while tension sleeves are set at the left and right places, which improves the stability of the structure and reduces vibration and noise.

[0029] The driving end mechanism also includes a driving frame, which includes a left driving frame plate b31 and a right driving frame plate b32 that are arranged opposite to each other on the left and right sides. The parts of the main motor shaft b41 located on the left and right sides of the driving disk b1 are respectively installed on the left driving frame plate b31 and the right driving frame plate b32.

[0030] The left driving frame plate b31 and the right driving frame plate b32 are both provided with bearings b43 for sleeves on the left and right sides of the driving plate b1 of the main motor shaft b41, and the bearing seats equipped with the bearings b43 can be fixed by welding or screwing.

[0031] One end of the main motor shaft b41 is connected to an AC reduction motor b44. For example, the right end of the main motor shaft b41 is connected to the AC reduction motor b44. The AC reduction motor b44 has a torque arm b45 and is installed on the outer side of the drive frame, and can be installed and fixed to the right side of the right drive frame plate b32 through the torque arm b45.

[0032] A plurality of driving end transverse reinforcing fixing plates b33 are connected between the left driving frame plate b31 and the right driving frame plate b32 to ensure the structural strength and stability of the entire driving frame.

[0033] The AC reduction motor b44 can adopt a three-phase AC motor and a hollow shaft structure, and can be speed-controlled by a frequency converter. The hollow shaft part of the AC reduction motor b44 is connected to the main motor shaft b41 for driving.

[0034] The right side plate surface of the left driving frame plate b31 and the left side plate surface of the right driving frame plate b32 are both provided with a driving end U-shaped guide rail groove b2 for the trolley to travel and guide. Taking the left driving frame plate b31 as an example, the right side plate surface of the left driving frame plate b31 is fixed with a first U-shaped plate u1 and a second U-shaped plate u2 which are both perpendicular to the left driving frame plate b31 by welding or the like, the size of the second U-shaped plate u2 is smaller than the first U-shaped plate u1 and is located in the semi-enclosed area of ​​the first U-shaped plate u1, the first U-shaped plate u1 is equivalent to an equidistant entity of the second U-shaped plate u2 extending outward, the driving end U-shaped guide rail groove b2 is formed between the first U-shaped plate u1 and the second U-shaped plate u2, and the left driving frame plate b31 limits the left walking wheel on the left side, and similarly, the right driving frame plate b32 can also form a driving end U-shaped guide rail groove b2 by setting the first U-shaped plate u1 and the second U-shaped plate u2.

[0035] Furthermore, a plurality of second right-angle reinforcing rib plates u20 arranged in a U-shaped interval are welded between the plate surface of the second U-shaped plate u2 located inside the enclosed area and the left driving frame plate b31, and a plurality of first right-angle reinforcing rib plates u10 arranged in a U-shaped interval are welded between the plate surface of the first U-shaped plate u1 located outside the enclosed area and the left driving frame plate b31. Such reinforcing rib plates may also be welded to the left driving frame plate b31.

[0036] Furthermore, a driving end U-shaped frame u3 fixed to the right side of the left driving frame plate b31 is provided in the area surrounded by the first U-shaped plate u1 of the left driving frame plate b31. The driving end U-shaped frame u3 is similar in shape to the driving end U-shaped guide rail groove b2, and the driving end U-shaped frame u3 is used to install and fix the contactor bracket z7 and the leakage cable fixing clamp z8 in the driving end mechanism.

[0037] The driving end mechanism in this embodiment can be used in the sorting machine in Example 1 or other applicable sorting machines, and can be used as a new type of linear cross-belt sorting machine, including the driving end mechanism of this embodiment.

[0038] Embodiment 3, the accompanying drawings refer to embodiment 1, a tensioning end mechanism of a linear cross-belt sorting machine, which can be used for the linear cross-belt sorting machine of embodiment 1, that is, as a driven end mechanism, mainly includes a driven shaft c41 and a driven disk c1 installed on the driven shaft c41 for being driven by the driving chain 1 for operation, and also includes a driven frame, the driven frame includes an inner frame and an outer frame, the inner frame includes a left inner plate c31 and a right inner plate c32 arranged opposite to each other on the left and right sides, the driven shaft c41 is located on the left and right sides of the driven disk c1. The parts are respectively installed on the left inner plate c31 and the right inner plate c32, the outer frame includes a left outer frame c51 and a right outer frame c52 respectively provided on the left side of the left inner plate c31 and the right side of the right inner plate c32, and a tensioning device adjustable front and rear is provided between the left inner plate c31 and the left outer frame c51 and between the right inner plate c32 and the right outer frame c52. The outer frame can be installed on the ground as a supporting frame. During the tensioning process, the structure of the outer frame does not need to be adjusted. The chain tensioning can be achieved by adjusting the position of the inner frame.

[0039] The tensioning device includes an adjustment screw c61 and an adjustment nut c62 extending forward and backward. Specifically, taking the right side of the driven frame as an example, an adjustment reinforcement plate h1 is fixed to the right side plate surface of the right inner plate c32 by welding or other methods, and an adjustment window h2 is provided on the right outer frame c52 for the adjustment support plate h1 to be placed and move forward and backward. The adjustment support plate h1 is as perpendicular as possible to the right inner plate c32 and extends up and down. The right outer frame c52 has a plurality of frame rods forming the adjustment window h2. When the adjustment window h2 is preferably rectangular, there will be four frame rods, and one of them is a front frame rod h3, so the adjustment screw c6 1 can pass through the adjustment support plate h1 and the front frame rod h3 in the front and back directions, and the adjustment nuts c62 are arranged on the front and back sides of the adjustment support plate h1 and the front and back sides of the front frame rod h3 on the adjustment screw c61, so as to adjust the front and back positions of the adjustment screw c61 and lock them. Here, the front side of the front frame rod h3 should have enough avoidance space to allow the adjustment screw c61 to move forward, so as to facilitate the forward stretching and tensioning. The avoidance space can be realized by opening holes on other frame rods of the right outer frame c52 or directly opening other windows. The adjustment reinforcement plates h10 extending forward and backward are welded on the upper and lower sides of the adjustment screw c61 between the right inner plate c32 and the adjustment support plate h1. The adjustment reinforcement plates h10 are preferably located behind the adjustment support plate h1, and the adjustment screw c61 is preferably located in front of the adjustment reinforcement plates h10 by more than half, preferably more than 70%, so as to facilitate the adjustment and tensioning and improve the structural stability. Then the tensioning structure of the left part of the driven frame can adopt the tensioning structure of the right part.

[0040] Furthermore, the left inner plate c31 and the left outer frame c51 as well as the right inner plate c32 and the right outer frame c52 are fixedly connected by bolts c7 which are laterally passed through the left and right sides. The bolts can be fixed in a detachable manner, which is convenient for loosening during tensioning adjustment so that the inner frame can be moved forward and stretched for tensioning. After adjustment, the inner and outer frames can be reinforced and locked again.

[0041] The left outer frame c51 and the right outer frame c52 are both provided with front and rear strip holes c71 for the bolts c7 to pass through and adjust the position in the front and rear direction. The design of the strip holes allows the bolts to be tightened forward together with the inner frame after being loosened and moved to a predetermined position and then re-tightened. Since the bolt c7 needs to be screwed into the direction of the inner frame from the outer frame, for example, the corresponding bolt c7 is screwed into the direction from the right outer frame c52 to the right inner plate c32, the bolt of the bolt needs to be exposed outside the front and rear strip holes c71 of the right outer frame c52 to be used for locking and fixing and to provide some upper and lower support forces for the inner frame, but the bolt head size of the bolt c7 may not be too large, and preferably a gasket c70 is set, and the bolt c7 passes through the gasket c70, and the gasket c70 abuts between the bolt head and the part of the right outer frame c52 close to the front and rear strip holes c71 to increase the abutment area during locking, ensure better locking and loosening, and also have a certain structural protection effect. This structure is also often used in existing bolt locking components. The bolt c7 on the right side can also be equipped with a gasket in this way. The front and rear strip holes c71 of the left outer frame c51 and the right outer frame c52 can be provided with upper, middle and lower.

[0042] Furthermore, the upper and lower positions of the right outer frame c52 can be provided with a row of two or more front and rear strip holes c71 arranged in a front-to-back spacing, and the middle position between the upper and lower rows of front and rear strip holes c71 can have two or more front and rear strip holes c71 arranged side by side. All the front and rear strip holes c71 on the right outer frame c52 form a semi-enclosed area with an opening facing forward, and the adjustment window h2 on the right outer frame c52 is within the semi-enclosed area formed by the front and rear strip holes c71 on the right outer frame c52. Then, the two front and rear strip holes c71 in the middle are actually located behind the adjustment window h2. The semi-enclosed area with an opening facing backward is formed between the above-mentioned adjustment support plate h1 and the downward adjustment reinforcement plate h10, which ensures the balance of strength on both sides during the tensioning and stretching process. The same structural design can be used on the left outer frame c51.

[0043] The left inner plate c31 and the right inner plate c32 are both fixed with a reinforcing connecting plate c72 for the bolt c7 to lock in. The reinforcing connecting plate c72 can also be welded to the inner plate and is in the same direction as the plate surface that is tightly attached to the inner plate to ensure structural strength. The reinforcing connecting plate c72 is provided with corresponding holes for the studs of the bolt c7 to lock in.

[0044] Furthermore, a left supporting wheel c510 supported downwardly on the left outer frame c51 is installed and connected at the left side plate surface of the left inner plate c31, and a right supporting wheel c520 supported downwardly on the right outer frame c52 is installed and connected at the right side plate surface of the right inner plate c32. More than two left supporting wheels c510 and more than two right supporting wheels c520 arranged front and back can be provided, and these supporting wheels are kept on the same upper plane as much as possible and are preferably provided on the top of the left inner plate c31 and the right inner plate c32, the left supporting wheel c510 is located on the left side of the left inner plate c31, and the right supporting wheel c520 is located on the right side of the right inner plate c32, and the upper side parts of the left outer frame c51 and the right outer frame c52 need to have an upper supporting plate c55 for the left supporting wheel c510 and the right supporting wheel c520 to support downwardly and to move forward and backward.

[0045] The inner frame further includes a plurality of inner transverse reinforcing fixing plates c3210 connected between the left inner plate c31 and the right inner plate c32. The outer frame further includes a plurality of outer transverse reinforcing fixing plates c5120 connected between the left outer frame c51 and the right outer frame c52, so as to further enhance the strength of the frame structure.

[0046] The right side of the left inner plate c31 and the left side of the right inner plate c32 are both provided with a driven end U-shaped guideway c2 for the trolley to travel and guide. The structure of the driven end U-shaped guideway c2 can be formed by the structure in which the first U-shaped plate u1 and the second U-shaped plate u2 are welded to the driving frame plate in the aforementioned driving end mechanism, and the first U-shaped plate u1 and the second U-shaped plate u2 can be welded to the corresponding inner plate, and of course, the first right-angle reinforcing rib plate and the second right-angle reinforcing rib plate can be further welded.

[0047] In addition, a driven end U-shaped frame u4 fixed to the right side of the left inner plate c31 is also provided in the area surrounded by the first U-shaped plate u1 of the left inner plate c31. The driven end U-shaped frame u4 is similar in shape to the driven end U-shaped guide groove c2, and the driven end U-shaped frame u4 is used to install and fix the contactor bracket z7 and the leakage cable fixing clamp z8 in the driven end mechanism, that is, the contactor bracket z7 and the leakage cable fixing clamp z8 in the tensioning end mechanism.

[0048] The tensioning end mechanism in this embodiment can be used in the sorting machine of embodiment 1 or other applicable sorting machines, and can be used as a new type of linear cross-belt sorting machine, including the tensioning end mechanism of this embodiment, that is, used as the driven end mechanism of the sorting machine.

[0049] Embodiment 4, with reference to the accompanying drawings of Embodiment 1, a trolley frame of a linear cross belt sorter is applicable to the trolley of the aforementioned embodiment, comprising a front panel m1 and a rear panel m2, and a left connecting plate m3, a middle bridge plate m4 and a right connecting plate m5 welded between the front panel m1 and the rear panel m2 and arranged at intervals in the left and right directions. These plates can be made of 2.5t carbon steel plate sheet metal structure, and such a trolley frame structure is applicable to the composition of different trolleys.

[0050] Trolley types: divided into ordinary trolleys, power trolleys and PLC installation trolleys according to the requirements of control and power supply introduction; ordinary trolley components include trolley frame, electric roller control panel, Wago cable, etc. Power trolleys and PLC trolleys are based on ordinary trolleys with power arms, PLCs and leakage wave receivers, etc. The power arm is used to remove power from the sliding contactor, and the power arm receives leakage wave signals to control the pallet belt conveyor, etc. In the trolley frame of this embodiment, the above-mentioned various electrical components can be set up between the left connecting plate m3 and the middle bridge plate m4, and the above-mentioned electrical components can also be set up between the right connecting plate m5 and the middle bridge plate m4, and there is a certain heat dissipation. The balance of electrical appliances designed on both sides will also be better, and they need to be installed in combination to form trolleys with different functions. Different trolleys share the same trolley frame, with strong interchangeability and easy assembly.

[0051] Furthermore, the surfaces of the front panel m1, the rear panel m2, the left connecting plate m3, the middle bridge plate m4 and the right connecting plate m5 are all galvanized. The five panels are welded and then galvanized.

[0052] Specifically, the left connecting plate m3 includes a left bottom plate m31 and a left side panel m32 integrally connected to the left bottom plate m31. The right connecting plate m5 includes a right bottom plate m51 and a right side panel m52 integrally connected to the right bottom plate m51. The structural strength and wrapping performance are improved.

[0053] The intermediate bridge plate m4 includes a first bottom plate m41 and a second bottom plate m42 which are spaced apart from each other, and a left upright plate m43 extending upwards which is integrally connected to the right side of the first bottom plate m41 and a right upright plate m44 extending upwards which is integrally connected to the left side of the second bottom plate m42. The intermediate bridge plate m4 also includes a top plate m55 which is integrally connected to the upper side of the left upright plate m43 and the upper side of the right upright plate m44. A recessed front and rear connecting dark passage mm is formed between the left upright plate m43, the right upright plate m44 and the top plate m55. The front and rear connecting dark passage mm can allow the drive chain to pass through and connect the drive chain 1, improve the structural stability, save space, and improve the structural strength of the trolley frame. The top plate m55 is to be lower than the front panel m1 and the rear panel m2, that is, the front and rear connecting dark passage mm is in the internal area of ​​the entire trolley frame. The pallet belt conveyor will be installed on the top of the front panel m1 and the rear panel m2.

[0054] The front panel m1 and the rear panel m2 are both provided with an upper groove opening m0 from the bottom upward for the front and rear connecting dark passages mm to the outside of the trolley, which is convenient for the passage of the driving chain. The front and rear ends of the left upright plate m43, the right upright plate m44 and the top flat plate m55 are welded to the upper groove opening m0 of the front panel m1 and the upper groove opening m0 of the rear panel m2, respectively.

[0055] A trolley for a linear cross belt sorter includes the trolley frame, and the trolley frame is provided with a left wheel a1 and a right wheel a2. The left wheel a1 has more than two wheels arranged front to back, and the right wheel a2 also has more than two wheels arranged front to back. The number of the left wheel a1 and the number of the right wheel a2 should be consistent and correspond to each other. The left wheel a1 can be installed on the left panel m32 and is located in the left outer area of ​​the left panel m32. The right wheel a2 can be installed on the right panel m52 and is located in the right outer area of ​​the right panel m52.

[0056] The bottom of the trolley frame is also provided with a straight-line travel guide wheel a3. The straight-line travel guide wheel a3 can be installed under the second bottom plate m42, and two front and rear wheels can be installed.

[0057] The trolley and trolley frame of this embodiment can be used in the sorting machine of the aforementioned embodiment or other applicable sorting machines, and can be used as a new type of linear cross-belt sorting machine, including the trolley or trolley frame of this embodiment.

[0058] Embodiment 5, with reference to the accompanying drawings of Embodiment 1, a trolley connection structure for a linear cross belt sorter is applicable to the trolley of the aforementioned embodiment, comprising a trolley a and a drive chain 1, wherein the frame of the trolley a is connected to the drive chain 1 via a pin shaft x extending left and right. The trolley will have better synchronization after being directly connected to the frame of the trolley via a single pin shaft, avoiding radial height changes at the turning part, ensuring smooth operation and low noise. The trolley is connected with a single pin shaft. The trolley can adopt the structure of the aforementioned embodiment.

[0059] The frame of the trolley a is provided with a front-to-back connecting dark passage mm for the driving chain 1 to pass through and is recessed upward from the bottom of the trolley. The front-to-back connecting dark passage mm is surrounded by a left upright plate m43, a right upright plate m44 and a top flat plate m55.

[0060] The left upright plate m43 and the right upright plate m44 are provided with a left through hole y1 and a right through hole y2 for the pin shaft x to pass through, and the link of the driving chain 1 is provided with a link mounting hole 10 that passes through left and right, and the left and right outlets of the link mounting hole 10 are respectively arranged opposite to the left through hole y1 and the right through hole y2.

[0061] The pin shaft x comprises an integrally connected shaft head x1, a shaft rod x2 and a shaft tail end x3. The shaft tail end x3 is a threaded section and is equipped with a tail end locking nut x4.

[0062] The spacing between the left upright plate m43 and the right upright plate m44 is smaller than the left and right length of the link of the drive chain 1. A left limit blocking sleeve x51 is provided between the left upright plate m43 and the left side of the link of the drive chain 1 and is sleeved on the pin shaft x. The left and right ends of the left limit blocking sleeve x51 should respectively abut against the left upright plate m43 and the drive chain 1. A right limit blocking sleeve x52 is provided between the right upright plate m44 and the right side of the link of the drive chain 1 and is sleeved on the pin shaft x. The left and right ends of the left limit blocking sleeve x51 should respectively abut against the right side of the link of the drive chain 1 and the right upright plate m44. The blocking sleeve can be a plastic sleeve or a rubber sleeve.

[0063] The left and right ends of the trolley a are respectively provided with a left running wheel a1 and a right running wheel a2. The left running wheels a1 and the right running wheels a2 on the left and right sides of the trolley a are equal in number and are opposite to each other. The axis of the pin x is concentric with the axis of one pair of the left and right running wheels a1 and a2. Two left running wheels a1 and two right running wheels a2 can be used.

[0064] The trolley connection structure of this embodiment can be used in the sorting machine of the aforementioned embodiment or other applicable sorting machines, and can be used as a new type of linear cross-belt sorting machine, including the trolley connection structure of this embodiment.

[0065] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present invention, and these modifications or replacements should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A linear cross belt sorting machine, characterized by: The invention comprises a driving end mechanism, a driven end mechanism and a driving chain (1) connected between the driving end mechanism and the driven end mechanism, and also comprises a trolley (a) driven by the driving chain (1) and a tray belt conveyor (b) for sorting installed on the trolley (a), wherein the driving end mechanism comprises a driving disk (b1), the driven end mechanism comprises a driven disk (c1), the driving chain (1) is wound around the driving disk (b1) and the driven disk (c1) to form a closed loop running back and forth, and the trolley ( a) is provided with a left walking wheel (a1) and a right walking wheel (a2) at the left and right ends respectively, the driving end mechanism is provided with two driving end U-shaped guide grooves (b2) for the left and right walking wheels (a1) and the right walking wheels (a2) to travel and guide respectively, the driven end mechanism is provided with two driven end U-shaped guide grooves (c2) for the left and right walking wheels (a1) and the right walking wheels (a2) to travel and guide respectively, the driving disc (b1) and the driven disc (c1) are located between the left and right walking wheels (a1) and the right walking wheels (a2); The driven end mechanism also includes a driven shaft (c41) and a driven frame, the driven frame includes an inner frame and an outer frame, the inner frame includes a left inner plate (c31) and a right inner plate (c32) arranged opposite to each other on the left and right sides, the driven shaft (c41) is located on the left and right sides of the driven disk (c1) and is respectively mounted on the left inner plate (c31) and the right inner plate (c32), the outer frame includes a left outer frame (c51) provided on the left side of the left inner plate (c31) and a right outer frame (c52) provided on the right side of the right inner plate (c32), and front-rear adjustable tensioning devices are provided between the left inner plate (c31) and the left outer frame (c51) and between the right inner plate (c32) and the right outer frame (c52); The tensioning device comprises an adjusting screw (c61) and an adjusting nut (c62) extending forward and backward; The left inner plate (c31) and the left outer frame (c51) as well as the right inner plate (c32) and the right outer frame (c52) are fixedly connected by bolts (c7) that are transversely passed through the left and right sides; the left outer frame (c51) and the right outer frame (c52) are both provided with front and rear strip holes (c71) for the bolts (c7) to pass through and for adjusting the position in the front and rear directions; A left supporting wheel (c510) supported downwardly on the left outer frame (c51) is installed and connected on the left side plate surface of the left inner plate (c31), and a right supporting wheel (c520) supported downwardly on the right outer frame (c52) is installed and connected on the right side plate surface of the right inner plate (c32).

2. A linear cross belt sorting machine according to claim 1, characterized in that: The driving chain (1) is a closed-loop rubber chain.

3. A linear cross belt sorting machine according to claim 1, characterized in that: The chain links of the driving chain (1) are provided with chain link mounting holes (10) which pass through from left to right.

4. A linear cross belt sorting machine according to claim 3, characterized in that: The trolley (a) is connected to the driving chain (1) via a pin shaft (x) extending left and right.

5. A linear cross belt sorting machine according to claim 1, characterized in that: An intermediate frame (z) is also provided between the driving end mechanism and the driven end mechanism for the trolley (a) to travel in a straight line. An upper left guide rail (z1) and a lower left guide rail (z2) are installed on the intermediate frame (z) for the left travel wheel (a1) to support the travel. An upper right guide rail (z3) and a lower right guide rail (z4) are also installed on the intermediate frame (z) for the right travel wheel (a2) to support the travel. The upper left guide rail (z1) and the upper right guide rail (z3) are arranged in parallel and spaced apart from each other, and the lower left guide rail (z2) and the lower right guide rail (z4) are arranged in parallel and spaced apart from each other.

6. A linear cross belt sorting machine according to claim 5, characterized in that: The bottom of the trolley (a) is provided with a linear travel guide wheel (a3) ​​outside the trolley for guiding the trolley (a) to travel in a straight line forward and backward.

7. A linear cross belt sorting machine according to claim 6, characterized in that: The middle frame (z) is also provided with an upper linear guide rail (z5) and a lower linear guide rail (z6) extending forward and backward. The upper linear guide rail (z5) extending forward and backward is provided with an upper linear guide groove (z50), and the lower linear guide rail (z6) is provided with a lower linear guide groove (z60).

8. A linear cross belt sorting machine according to claim 5, characterized in that: The intermediate frame (z) is also provided with a plurality of contactor brackets (z7) arranged in a straight line and a plurality of leakage cable fixing clamps (z8) arranged in a straight line.

9. A linear cross belt sorting machine according to claim 8, characterized in that: The driving end mechanism is provided with a plurality of sliding contact brackets (z7) arranged in a U shape and a plurality of leakage cable fixing clamps (z8) arranged in a U shape.

10. A linear cross belt sorting machine according to claim 8, characterized in that: The driven end mechanism is provided with a plurality of sliding contact brackets (z7) arranged in a U shape and a plurality of leakage cable fixing clamps (z8) arranged in a U shape.

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