CN212069548U - Multilayer grid crossing belt sorting equipment - Google Patents

Abstract

The utility model discloses a multilayer check mouth crossover band letter sorting equipment, wherein multilayer check mouth crossover band letter sorting equipment includes the crossover band sorting machine and is located the letter sorting check mouth of crossover band sorting machine side, every the letter sorting check mouth has the multilayer check mouth, the transport face of every dolly of crossover band sorting machine can dock with arbitrary layer check mouth of every letter sorting check mouth. This scheme design is exquisite, has the multilayer check mouth through making the letter sorting check mouth, combines the cross area letter sorting technique to make every dolly can go up and down, thereby can effectively carry the check mouth department on different layers with the parcel and go on the bale down, created the advantage for the smooth application of multilayer check mouth, fully satisfied thin, multi-user's letter sorting needs, improve the utilization ratio in vertical space, thereby can adapt to the operation requirement in the relatively less space range.

Description

Multilayer grid crossing belt sorting equipment

Technical Field

The utility model belongs to the technical field of the commodity circulation letter sorting and specifically relates to multilayer check mouth crossing area letter sorting equipment.

Background

The cross belt sorting system is assembled by a main driving belt conveyor and a trolley (trolley for short) carrying a small belt conveyor, and when the trolley moves to a specified sorting position, a belt is rotated to complete the task of sorting and delivering commodities. A cross belt is referred to because the main drive belt conveyor is crossed with the belt conveyor on the "car".

Traditional crossing belt is the individual layer structure of tiling, drives every dolly through chain drive structure and removes, and this kind of individual layer crossing belt is used with individual layer letter sorting check usually in a complete set, can't satisfy the letter sorting needs of thin, many customers such as medicine, clothing, tobacco, bank, can't satisfy the use needs of multilayer check or multilayer goods shelves.

To increase the number of cells, it is often necessary to increase the area of the entire cross-belt loop, but this approach is not practical for applications where installation space is limited.

In a better mode, the sorting grids can adopt a multi-layer grid mode so as to increase the number of the sortable grids by utilizing longitudinal space, but in the structure of the multi-layer grid, each layer of grid needs to be provided with a layer of sorting trolley to send packets to the grids of the corresponding layer, so that the structure of the crossed belt sorting loop is complicated, and the equipment cost is increased; and along with the increase of grid height, after the height of dolly loop line constantly increased, the stability of the operation of the cross belt dolly that is located high-order is poor, and the track etc. needs complicated bearing structure to guarantee the stationarity of dolly operation, these all very big restrictions the use of multilayer grid letter sorting.

Meanwhile, the single-layer crossed belt cannot effectively transfer articles among conveying lines with different heights, and the application flexibility is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multilayer check mouth crossing belt letter sorting equipment in order to solve the above-mentioned problem that exists among the prior art.

The purpose of the utility model is realized through the following technical scheme:

the multi-layer grid crossing belt sorting equipment comprises a crossing belt sorting machine and sorting grids arranged on the side edge of the crossing belt sorting machine, wherein each sorting grid is provided with a plurality of layers of grids, and the height of a conveying surface of each trolley of the crossing belt sorting machine can be adjusted to correspond to any layer of grid of each sorting grid.

Preferably, in the multi-layer cell cross belt sorting equipment, each layer of cell is a chute, and the length of the chute of each sorting cell is gradually increased from the bottom to the top.

Preferably, in the multi-layer grid crossing belt sorting equipment, adjacent trolleys are hinged.

Preferably, in the multilayer check mouth crossing belt sorting equipment, the trolley comprises a chassis, a lifting driving mechanism is arranged on the chassis, a belt conveyor is arranged on the lifting driving mechanism and drives the belt conveyor to lift, the belt conveyor is connected with a limiting mechanism positioned on the chassis, the limiting mechanism is a guide frame fixed on two sides of the chassis, and the belt conveyor is in rolling connection with the guide frame or the limiting structure is a group of telescopic rods fixed on the chassis and vertically arranged at the bottom of the belt conveyor.

Preferably, in the multi-layer lattice cross belt sorting equipment, the lifting driving mechanism takes a motor and/or a hydraulic cylinder as a power source.

Preferably, in the multilayer-lattice-opening-crossed-belt sorting equipment, the lifting driving mechanism comprises a lead screw and a motor for driving the lead screw to work, and the lead screw is fixed on the chassis and is directly connected with or indirectly connected with the belt conveyor through a transmission mechanism and drives the belt conveyor to lift.

Preferably, in the multilayer lattice intersection belt sorting equipment, the lifting driving mechanism is a first lead screw which is fixed on the chassis and positioned on two sides of the belt conveyor and extends vertically, and a movable block of the first lead screw is connected with the belt conveyor and is driven by a longitudinal motor.

Preferably, multilayer check mouth crossing area letter sorting equipment in, lift actuating mechanism includes the second lead screw that the level set up and drives its screw rod pivoted transverse motor, the internal thread opposite direction that has two movable blocks and two movable blocks on the second lead screw, two be provided with at least one deck lift actuating mechanism on the movable block, lift actuating mechanism includes that two are X-shaped and pivot connection's bracing piece, a pivot connection slider respectively in the top of the two bracing pieces of the lift actuating mechanism of top layer, set up on the slide rail of belt conveyer bottom slidable.

Preferably, in the multi-layer lattice cross belt sorting device, the lifting drive mechanism comprises at least one third screw rod extending along the longitudinal direction, a movable nut of the third screw rod is fixed on the chassis in a rotatable manner and is connected with a motor for driving the third screw rod to rotate, and a screw rod of the third screw rod is connected to the belt conveyor in a rotatable manner.

Preferably, in the multilayer-lattice-opening cross belt sorting equipment, the lifting driving mechanism comprises hydraulic cylinders positioned on two sides of the belt conveyor, a chain wheel is rotatably arranged at the top of a piston rod of each hydraulic cylinder, a chain is hung on each chain wheel, one end of each chain is fixed on the side edge of the belt conveyor, and the other end of each chain is fixed on the chassis.

Preferably, in the multi-layer lattice intersection belt sorting equipment, the driving device for driving the trolley to move along the track comprises at least one U-shaped groove linear motor with a fixed position and a sensing plate which is fixed on part or all of the trolley and corresponds to the U-shaped groove of the U-shaped groove linear motor in position; or

The driving device comprises a friction wheel driven to rotate by a friction motor with a fixed position and a friction plate which is fixed on part or all of the trolleys and can be tightly attached to the surface of the friction wheel.

Preferably, in the multilayer grid crossing belt sorting equipment, the trolley is hoisted or erected on a track, and the track is in a floor type or a hoisting type.

Preferably, in the multi-layer grid crossing belt sorting equipment, the bottom plate of each layer of grid of the sorting grid is a flat plate or a downward inclined plate.

Preferably, the multi-layer grid cross belt sorting equipment further comprises an upper envelope positioned on the side edge of the cross belt sorting machine, and the number of the sorting grids is multiple.

Preferably, in the multi-layer grid crossing belt sorting equipment, the upper envelope lines are arranged side by side, and the length L of the track between the upper envelope lines on two sides and the sorting grid closest to the upper envelope lines meets the following formula:

h is the maximum moving stroke of the belt conveyor, and V1 is the maximum lifting speed of the belt conveyor; v2 is the speed of the carriage moving along the track.

The utility model discloses technical scheme's advantage mainly embodies:

this scheme design is exquisite, through making the letter sorting check mouth have the multilayer check mouth, combine the cross area letter sorting technique, and make the transport face of every dolly can go up and down, thereby can effectively carry the check mouth department on different layers with the parcel and carry out the subcontracting, created the advantage for the smooth application of multilayer check mouth, need not set up multilayer dolly loop line, fully provided thin piece, multi-user's letter sorting needs, improve the utilization ratio in vertical space, thereby can adapt to the operation requirement in the relatively less space range.

The cross belt trolley of the scheme facilitates butt joint with the conveying lines with different height differences, transfer between the conveying lines with different heights can be achieved, the cross belt trolley can be applied to the fields of storage and the like, the flexibility of application is effectively improved, the applicability is wider, and the cross belt trolley can be popularized and utilized.

The letter sorting bin of this scheme can design as required, can multiple application occasions such as effectual adaptation storage and commodity circulation, when adopting chute formula letter sorting bin to the length of design chute can be effectual and holding tank cooperation use, saving area that simultaneously can be abundant.

The cross belt sorting device can effectively adapt to different application environments, the installation mode of the equipment can be selected according to needs, the design is more humanized, and the selectivity is better.

The adjacent trolleys adopt the rod end joint bearing to fully exert the characteristics of parts, so that the position relation of the trolleys different in a curve area and a straight area is adapted, and the connection reliability and the running stability of the trolleys are ensured.

The dolly of this scheme only has a belt feeder and leads and spacing with leading truck or telescopic link, and the heavy burden of leading truck and telescopic link is little, and stability when can effectively guarantee the belt feeder and go up and down is led and spacing with the telescopic link in addition, can occupy littleer space, and can not produce the upper and lower package operation of dolly and interfere, and practical function is better.

The lifting structure of the scheme has multiple implementation modes, can be designed according to different application requirements, and is small in occupied space, easy to arrange and convenient to implement. The power structure of the trolley can be selected in various ways according to the requirements, and the application flexibility is better.

Go up and keep certain lift stroke between envelope curve and the letter sorting bin, can effectual assurance dolly can have sufficient space to remove to package height under and the package height of going up, be favorable to guaranteeing the realization of package about.

Drawings

Fig. 1 is a top view of the present invention (only a partial structure of cross-belt loop is shown in the figure);

fig. 2 is a side view of the present invention (only the structure of the upper region of the rail is shown, the structure of the lower region of the rail is not shown);

fig. 3 is a schematic structural view of the hinge joint between the trolleys of the present invention (only the structure of the chassis region is shown in the figure);

fig. 4 is a schematic view of a first embodiment of the trolley according to the invention (only the structure of the upper region of the track is shown, the structure of the lower region of the track is not shown);

fig. 5 is a plan view of a first embodiment of the cart of the present invention (the structure of the support plate and the motor are not shown);

fig. 6 is a schematic view of a second embodiment of the trolley according to the invention (only the structure of the upper region of the track is shown, the structure of the lower region of the track is not shown);

fig. 7 is a schematic view of a third embodiment of the trolley according to the invention (only the structure of the upper region of the track is shown, the structure of the lower region of the track is not shown);

fig. 8 is a schematic view of a fourth embodiment of the trolley according to the invention (only the structure of the upper region of the track is shown, the structure of the lower region of the track is not shown);

fig. 9 is a perspective view of a fifth embodiment of the lift driving structure of the cart according to the present invention (the drawing shows a receiving and discharging machine);

fig. 10 is a schematic view of the internal structure of a fifth embodiment of the lift driving structure of the cart according to the present invention (the black cross-hatched area in the figure is the baffle on one side of the limiting groove);

figure 11 is an end view of a fifth embodiment of the lift drive structure of the cart of the present invention;

fig. 12 is a partial schematic view of the access way region of the lift drive configuration of a fifth embodiment of the cart of the present invention;

fig. 13 is a perspective view and a partially exploded view of a chain of a lift drive structure of a fifth embodiment of a cart according to the present invention;

fig. 14 is a schematic view of a sixth embodiment of the cart of the present invention;

fig. 15 is a schematic view of a seventh embodiment of the trolley of the invention;

fig. 16 is a schematic view of a first embodiment of the drive arrangement of the present invention;

fig. 17 is a schematic view of a second embodiment of the drive device of the present invention;

fig. 18 is a schematic view of a second embodiment of the present invention.

Detailed Description

Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. These embodiments are merely exemplary embodiments for applying the technical solutions of the present invention, and all technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the scope of the present invention.

In the description of the embodiments, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiment, the operator is used as a reference, and the direction close to the operator is a proximal end, and the direction away from the operator is a distal end.

The utility model discloses a multilayer check crossing belt letter sorting equipment is elucidated with the attached drawing in the following, as shown in attached drawing 1, 2, it includes crossing belt sorting machine 1 and is located letter sorting check 2 of crossing belt sorting machine 1 side, every letter sorting check 2 has multilayer check 21, the conveying face of every dolly 11 of crossing belt sorting machine 1 can dock with arbitrary layer check 21 of every letter sorting check 2.

As shown in fig. 1-2, the cross belt sorter 1 includes an annular track 12, the track 12 may be a circular, oval, kidney-shaped or other irregular closed track, and the shape of the track 12 may be adaptively designed as required, and preferably, the track 12 includes two spacing grooves 121 for a wheel to roll and to limit, and a side baffle 122 located below each spacing groove 121.

Meanwhile, in an embodiment, the track 12 may be a floor type, that is, it is disposed on the ground 5, and if the height of the track 12 is low, the trolley 11 is erected on the track 12, that is, the conveying surface of the trolley 11 is located above the track 12; if the height of the rail 12 is high, the trolley 11 can be suspended on the rail 12, i.e. the transport surface of the trolley 11 is lower than the rail.

In another embodiment, the track 12 may be of a top-hung type, i.e. it is hung on a roof (not shown) or other high-altitude foundation, in which case the trolley is preferably hung on the track 12 in a manner suitable for a space with a relatively large height of a house.

As shown in fig. 1-3, a group of trolleys 11 is movably arranged on the track 12, adjacent trolleys 11 are sequentially connected into a ring shape and hinged with each other, and specifically, the chassis 111 of the adjacent trolleys 11 are connected by rod end joint bearings 14.

As shown in fig. 4, the trolley 11 includes a chassis 111 connected to the track 12 in a rolling manner, guide frames 112 are disposed on two opposite sides of the chassis 111, the belt machine 113 is connected to the guide frames 112 in a rolling manner and/or in a sliding manner, and the belt machine 113 is connected to a lifting driving mechanism for driving the belt machine 113 to lift along the guide frames 112.

The chassis 111 may be any known frame structure or plate-shaped structure with sufficient bearing capacity, as shown in fig. 4, two sides of the chassis 111 corresponding to the input and output ends of the belt conveyor 113 are provided with rollers 111a corresponding to the limiting grooves on the rails and limiting wheels 111b attached to the side plates on the rails, so that the chassis 111 moves along the rails 12 to drive the structure thereon to move.

As shown in fig. 4 and 5, the guide frames 112 are located on two sides of the belt conveyor 113, the guide frame 112 on each side may be two square pipes 112a arranged at a gap, and two sides of the belt conveyor 113 are respectively provided with a limiting roller 113a attached to two vertical side walls of each square pipe 1131, so that the position of the belt conveyor 113 is limited by the cooperation of the limiting roller 113a and the guide frame 112. Moreover, the height of the guide frame 112 can be adaptively designed according to the required use environment, and generally the height of the guide frame can be 1-8 m.

Certainly, when the guide frame 112 is adopted, the guide frame 112 needs to be arranged on the chassis 111 and occupies a certain space, if the lifting height is higher, the height of the guide frame 112 is correspondingly increased and occupies a larger space, and the trolley moves along the guide frame 112, so that a certain outward acting force needs to be generated on the guide frame 112 when the trolley moves, and the trolley may shake when moving to a high position, and at the moment, the stability of the guide frame 112 needs to be ensured through a certain structure; meanwhile, no matter whether the trolley is lifted or not, the height of the guide frame 112 cannot be changed, and the whole loop needs to be correspondingly avoided.

Therefore, in a preferred embodiment, as shown in fig. 6, the guide frame 112 can be replaced by a telescopic rod 1119, the telescopic rod 1119 is vertically fixed on the chassis 111, the top of the telescopic rod 1119 is fixed at the bottom of the belt conveyor 113, in this structure, since the telescopic rod 1119 is located at the bottom of the belt conveyor 113, it does not occupy the space at both sides of the belt conveyor 113, so it does not interfere with the bag loading and unloading operation of the belt conveyor 113, meanwhile, the telescopic rod 1119 has a small structure in normal state, and occupies a small space, so it can simplify the structure.

The number of the telescopic rods 114 is at least 3, and the axes of the telescopic rods are not in one plane, so that the support and the limit can be effectively provided. In addition, when the telescopic rod 114 is installed on the chassis 111, it may extend to below the chassis 111, that is, the telescopic rod 114 is in the shortest state, and the top of the telescopic rod is slightly higher than the top of the chassis 111, so as to further reduce the space occupied in the shortest state so that the lowest position of the conveyor 113 may be as low as possible.

The belt conveyor 113 may be a known belt conveyor structure of various types, which is a known technology and is not described herein, and the conveying belt of the belt conveyor 113 may be a complete belt or a plurality of narrow belts; also, in other embodiments, the belt conveyor 113 may be replaced by a roller conveyor or a deflecting wheel conveyor.

The lifting driving mechanism takes a motor and/or a hydraulic cylinder as a power source, and the specific structure of the power source for driving the belt conveyor 113 to lift can have various implementation modes.

In a possible embodiment, as shown in fig. 4 and 5, the lifting driving mechanism is a first lead screw 114 fixed on the chassis 111 and located at two sides of the belt conveyor 113 and extending along the vertical direction, two ends of a screw 114a of the first lead screw 114 are rotatably (connected by a bearing) fixed on a support plate 112b at the top of the guide frame 112 and the chassis 111, one end of the screw 114a is connected to a longitudinal motor 115 for driving the screw to rotate, the longitudinal motor 115 may be fixed on the support plate 112b of the guide frame 112 or on the chassis 111, and a movable block 114b of the first lead screw 114 is connected to a side portion of the belt conveyor 113.

When the device works, the two longitudinal motors 115 drive the screws of the two first lead screws 114 to rotate so as to drive the two movable blocks to synchronously lift, and the movable blocks lift and drive the belt conveyor 113 to lift and descend along the guide frame 112.

In another possible embodiment, as shown in fig. 7, the lifting driving mechanism includes a second screw 116 horizontally disposed and a transverse motor 117 driving the screw thereof to rotate, the second lead screw 116 has two movable blocks 118 with opposite internal threads, namely, the two movable blocks move reversely, at least one layer of lifting driving mechanism is arranged on the two movable blocks 118, the lifting driving mechanism comprises two X-shaped and hinged supporting rods 119, the lifting driving mechanism can be multi-layer according to different lifting height requirements, and the two supporting rods 119 of each layer are respectively pivoted with the two supporting rods 119 of the other layer, and the top parts of the two support bars 119 of the lifting driving mechanism of the top layer are respectively pivotally connected with a slider 1110, the sliding block 1110 is slidably disposed on a sliding rail 1111 at the bottom of the belt conveyor 113.

During operation, the transverse motor 117 drives the screw of the second screw 116 to rotate, so as to drive the two movable blocks to move in opposite directions or in opposite directions, so as to drive the support rod 119 to rotate, so as to adjust the height of the upper end of the support rod 119, and further drive the belt conveyor 113 to move along the guide frame 112.

In another possible embodiment, as shown in fig. 8, the lifting driving mechanism includes at least one third lead screw 1112 extending along the longitudinal direction, a movable nut 1112a of the third lead screw 1112 is rotatably disposed on the chassis 111, for example, the movable nut 1112a is fixed on the chassis 111 through a bearing (not shown in the figure), that is, the movable nut 1112a is fixed on an inner ring of the bearing, an outer ring of the bearing is fixed, and the movable nut of the third lead screw 1112 is connected to a motor 1113 driving it to rotate, a screw 1112b thereof is rotatably connected to the belt conveyor 113, for example, an upper end thereof is connected to the bottom of the belt conveyor 113 through a bearing, preferably, the third lead screws 1112 are plural, and the movable nuts of the plural third lead screws 1112 are connected to the motor 1113 through a transmission structure formed by a pulley and a belt or a sprocket and a chain.

When the belt conveyor 113 works, the motor 1113 drives the movable nut to rotate, and the movable nut drives the screw of the third screw 1112 to lift, so that the belt conveyor 113 lifts.

In another possible embodiment, as shown in fig. 9-11, the lifting driving mechanism includes a receiving box 1114, two opposite first and second chains 1115, 1116 are wound in the receiving box 1114, the two first and second chains 1115, 1116 are driven by a winding and unwinding motor 1117 to wind and unwind the two first and second chains 1115, 1116, and the separated portions of the first and second chains 1115, 1116 in the receiving box 1114 are flexible, and the portions where the first and second chains 1115, 1116 mesh with each other form a rigid rod which extends to the outside of the receiving box 1114 and is connected to the bottom of the belt conveyor 113.

Specifically, as shown in fig. 9 and 10, the storage box 1114 has two storage cavities 11141 and 11142 for respectively storing the first chain 1115 and the second chain 1116, and an access passage 11143 located between and communicating with the two storage cavities 11141 and 11142.

As shown in fig. 10, the housing cavities 11141 and 11142 have therein limit grooves 11144 having widths corresponding to the widths of the first chain 1115 and the second chain 1116, the centers of the limit grooves 11144 are rotatably provided with rotating shafts 1119, so that the interiors thereof are formed into structures similar to winding reels, the rotating shafts 1119 are respectively connected with an auxiliary motor (not shown in the figure), and the rotating shafts 1119 are driven by the auxiliary motor to rotate forward and backward to cooperate with the winding and unwinding motor 1117 to wind and unwind the first chain 1115 and the second chain 1116.

As shown in fig. 10 and 12, the access passage 11143 of the storage box 1114 is approximately inverted T-shaped as a whole, and two connecting areas of the horizontal and vertical passages are rounded, a driving sprocket 1118 is rotatably arranged at two rounded positions of the access passage 11143, the driving sprocket 1118 extends into the access passage 11143 and meshes with a first chain 1115 and a second chain 1116 respectively, a rotating shaft fixed by one of the driving sprockets 1118 extends out of the storage box 1114 and is connected with the storage motor 1117, and preferably, the driving sprocket 1118 connected with the storage motor 1117 meshes with the first chain 1115 with upward hooks.

As shown in fig. 10, the housing cavities 11141 and 11142 are further provided with a guide sprocket 11120 capable of rotating, the axis of the guide sprocket 11120 is parallel to the axis of the limiting groove 11144, the height of the guide sprocket 11120 is consistent with the height of the driving sprocket 1118, the first chain 1115 and the second chain 1116 are both positioned below the guide sprocket 11120, and the first chain 1115 and the second chain 1116 between the driving sprocket 1118 and the guide sprocket 11120 are parallel to the bottom of the housing box, i.e. in a horizontal state, so that the chains can be effectively prevented from contacting with the interfaces of the in-and-out passages.

As shown in fig. 10, one ends of the first chain 1115 and the second chain 1116 are respectively fixed on a rotating shaft 1119, and the other ends of the first chain 1115 and the second chain 1116 extend to the outside of the storage box 1114 through the access passage 11143 after being wound on the rotating shaft 1119 in multiple layers, and the vertical parts of the access passage 11143 are in a meshing state, and the outer ends of the first chain 1115 and the second chain 1116 are connected with a sealing head 11110.

As shown in fig. 12 and 13, the first chain 1115 and the second chain 1116 have the same structure, except that the directions of the hooks are opposite, namely, one hook 11151 of each section of the first chain 1115 faces upwards, the hook 11161 of each section of the chain 1116 faces downwards, and each section of the chain 1115 and each section of the chain 1116 are arranged in a vertically staggered manner, so that the two hooks 11151, 11161 can be meshed together.

Hereinafter, the first chain 1115 is taken as an example, as shown in fig. 13, each link of the first chain 1115 includes at least a pair of first link plates 11152, a pair of second link plates 11153, bushings 11154, bearings 11155 and bolts 11156, wherein the first link plates 11152 are located on the inner side or the outer side of the second link plates 11153, preferably, a first link plate 11152 is located on the inner side of the second link plates 11153, each of the first link plates 11152 and the second link plates 11153 is formed with corresponding first connecting holes 11157 and second connecting holes 11158, the bushings 11154 are inserted into the inner holes of the bearings 11155 and both ends thereof are respectively inserted into the first connecting holes 11157 of the first link plates 11152, the bolts 11156 are rotatably inserted into the bushings 11154 and both ends thereof are respectively inserted into the second connecting holes 11158 of the second link plates 11153, and both ends thereof are locked by the cover plates and the like. The second connecting hole 11158 of the first link plate 11152 of the link is connected with the first connecting hole 11157 of the second link plate 11153 of the other link through the bushing 11154, the bearing 11155 and the bolt 11156; the first connecting hole 11157 of the second link plate 11153 of the link is connected to the second connecting hole 11157 of the first link plate 11153 of the other link by the bushing 11154, the bearing 11155 and the pin 11156.

The pair of first link plates 11152, the pair of second link plates 11153, the bushing 11154 and the bearing 11155 are configured as one link unit, however, in other embodiments, each link of the first chain 1115 may have more link units, for example, each link may be configured as three link units, and they are connected to form one link of the first chain by a unified pair of pins, according to the required supporting strength.

When the belt conveyor works, the retracting motor 1117 and the auxiliary motor drive the first chain to retract, and the first chain and the second chain are meshed together, so that the first chain and the second chain are simultaneously wound or unwound; when unreeling, the length that two chains stretch out to receive the box 1114 outside increases to their length that forms the rigidity body of rod increases, thereby lifts on the drive belt feeder.

In another embodiment, as shown in fig. 14, the lifting driving mechanism is at least one electric pushing cylinder 1123 or one hydraulic cylinder vertically arranged on the chassis 111 and connected with the belt conveyor 113, and this structure can be used for small lifting space applications because the telescopic rod of the electric pushing rod and the hydraulic cylinder needs to occupy a large space.

In another possible embodiment, as shown in fig. 15, the lifting driving mechanism includes hydraulic cylinders 1120 located at both sides of the belt conveyor, a chain wheel 1121 is rotatably disposed at the top of a piston rod of each hydraulic cylinder 1120, a chain 1122 is hung on the chain wheel 1121, one end of the chain 1122 is fixed at a side of the belt conveyor, the other end of the chain 1122 is fixed on the chassis 111, and when the hydraulic cylinders are located at both sides of the belt conveyor, the height of the hydraulic cylinders do not limit the lowest height of the belt conveyor.

During operation, the hydraulic cylinder 1120 drives the chain wheel 1121 to ascend, and the chain wheel 1121 ascends, so that the end of the chain 1122 connected with the belt conveyor moves upwards, and the belt conveyor is pulled to move upwards, and on the contrary, when the hydraulic cylinder 1120 drives the chain wheel 1121 to move downwards, the belt conveyor moves downwards.

The driving device 13 may be a chain driving structure of a conventional cross belt sorting device, or may be other feasible structures, in a preferred embodiment, as shown in fig. 16, the driving device 13 includes at least one U-shaped slot linear motor 131 with a fixed position and a sensing plate 132 fixed on part or all of the trolleys 11 and corresponding to the U-shaped slot position of the U-shaped slot linear motor 131, the sensing plate 132 is driven by the U-shaped slot linear motor 131 to move, so as to drive the driving trolleys 11 to move, the trolleys are hinged to each other, so as to move integrally, and the number and installation position of the U-shaped slot linear motors 131 are reasonably adjusted, so that the whole trolley loop line can reach a set operation speed.

In another possible embodiment, as shown in fig. 17, the driving device 13 includes a friction wheel 134 that is driven by a fixed friction motor 133 to rotate, and a friction plate 135 that is fixed on part or all of the cart 11 and can be tightly attached to a surface of the friction wheel 134, and the number of the friction wheels 134 may be two and a gap is maintained, and they may be respectively driven by one friction motor or may be driven by the same friction motor through a certain transmission structure, where the corresponding structure is the prior art and is not described in detail. The friction plate 135 is located between the two friction wheels 134, and when the two friction wheels 134 rotate, the friction plate 135 is driven to move, so that the trolley 11 is driven to move.

As shown in fig. 18, the bottom plate 211 of each layer of the sorting compartment 21 of the sorting compartment 2 is a flat plate or a downward sloping plate, and when the bottom plate 211 is a flat plate, the structure is similar to a shelf of various warehouses; when the bottom plate 211 is a sloping plate, the package can slide down to the bottom along the bottom plate 211 after entering the cell. Meanwhile, the rear end of each layer of grid 21 can be open, that is, each layer of grid 21 is a long groove, and when the rear end of the sorting grid is open, the tail part of the sorting grid can be matched and connected with other conveying lines or accommodating grooves 4; when the sorting grid is matched and connected with the accommodating groove, the lengths of the grids 21 of each layer of each sorting grid 2 are different, and the lengths of the grids 21 are sequentially increased from bottom to top, so that a space can be effectively created for accommodating the accommodating groove 4. Of course, the rear end of each layer of the compartment 21 may also be an openable door, and when a certain amount of packages are stored in the compartment 21, the door can be opened to perform a pickup operation.

Moreover, since the height of each cell 21 does not need to be high because the cell is suitable for accommodating thin materials, the distance between adjacent bottom plates 211 is preferably 1 to 30cm, more preferably 5 to 20cm, and still more preferably 10 to 15 cm. And the number of layers of the grid 21 can be designed according to the size of the space and the number of required destinations.

Of course, the sorting grid 2 can be a plurality of separate parts or an integral body with a plurality of rows and columns of grids 21.

Further, for the convenience of loading, as shown in fig. 1, the loading line 3 is provided at the side of the cross belt sorter, and the loading line 3 may be any known loading device having functions of conveying, weighing, scanning, and measuring shape, which is known in the art and will not be described herein again.

Go up envelope curve 3 when sweeping the sign indicating number, adopt the top surface to sweep the sign indicating number and the mode that the sign indicating number was swept to the bottom surface, it is specific, go up envelope curve 3 and include at least buffering transfer chain (not shown in the figure) and DWS transfer chain (not shown in the figure), keep the clearance between buffering transfer chain and the DWS transfer chain, the size in clearance slightly is greater than the length of the longest diagonal of bar code or the two-dimensional code on the parcel. And a code scanning device (not shown in the figure) with an upward lens is arranged below the gap, so that code scanning at the bottom can be realized, and meanwhile, a code scanning device at the top is arranged at the DWS conveying line.

The mode of sign indicating number is swept to the adoption two-sided, and the degree of difficulty that manual work was wrapped is reduced to the letter sorting characteristic that can effectual convenient thin piece, need not to ensure that bar code, two-dimensional code etc. on the parcel up, the effectual operating efficiency that has improved.

Further, in order to guarantee the stability of article in the transport between buffering transfer chain and the DWS transfer chain, be provided with the backup pad of transparent material in their clearance department, for example can adopt materials such as toughened glass or transparent plastics to avoid the parcel to produce the collision with the input of DWS transfer chain.

The weighing conveying line of the upper covering line 3 comprises two jointed dynamic weighing conveying lines, wherein the length of the dynamic weighing conveying line positioned at the front end (the position where an article firstly passes before and the position where the article secondly passes after during conveying) is larger than that of the rear end, the length of the dynamic weighing conveying line positioned at the front end is preferably within 1m +/-0.1 m, and the length of the dynamic weighing conveying line positioned at the rear end is within 0.8 +/-0.1 m; the large piece is weighed by two dynamic weighing conveying lines simultaneously, and the method and the process for obtaining one weight data by integrating the data of the double weighing are the prior art and are not described in detail.

And the upper envelope wires 3 are arranged side by side, they can be distributed on both sides of the track 11, and meanwhile, the length L of the track between the upper envelope wires 3 on both sides and the sorting grid closest to the upper envelope wires 3 satisfies the following formula:

h is the maximum moving stroke of the belt conveyor, and V1 is the maximum lifting speed of the belt conveyor; v2 is the speed of the carriage moving along the track. Therefore, when in work, the trolley has enough space to convey the materials to a preset height and can effectively return to the upper ladle height to realize the upper ladle after the lower ladle.

When the whole device works, the start-stop and working state of each electrical element can be controlled by various control devices (such as a PLC and an upper computer or an industrial control computer) and various sensors (such as a photoelectric sensor, a proximity sensor, a distance sensor and the like).

The sorting method of the cross belt sorting system comprises the following steps:

and S1, manually or through an automatic device, placing the package on an upper package line, conveying the package along with the upper package line, acquiring the path (package-down position) of the package when the package passes through a code scanning device, dynamically weighing the obtained weight, reserving the trolley, and conveying the package to the reserved trolley by the upper package line according to set parameters, wherein the process is prior art and is not described in detail.

And S2, after the path of the package is obtained in the previous step, the control device determines the position and the height corresponding to the target grid 21 of the package, and then the control device controls the lifting driving mechanism to drive the conveying surface of the trolley to be adjusted to the height of the target grid, and simultaneously the trolley moves along with the whole trolley loop.

And S3, when the trolley moves to the position of the target grid along the loop, the belt conveyor 113 starts to convey the packages to the position of the target grid 21, and the package discharging is completed.

And S4, the trolley continuously moves along with the loop and before the trolley moves to the upper wrapping point, the lifting driving mechanism is started to adjust the conveying surface of the belt conveyor after the lower wrapping to the upper wrapping height so as to be connected with the upper wrapping line.

And according to the circulation, continuously carrying out the actions of loading, lifting and lowering the trolley, unloading and lifting the trolley.

The utility model has a plurality of implementation modes, and all technical schemes formed by adopting equivalent transformation or equivalent transformation all fall within the protection scope of the utility model.

Claims (12)

1. Multilayer check mouth crossing area letter sorting equipment, including crossing area sorting machine (1) and be located letter sorting check mouth (2) of crossing area sorting machine (1) side, its characterized in that: the sorting cells (2) have a plurality of layers of cells (21), and the height of the conveying surface of each trolley (11) of the cross belt sorting machine (1) can be adjusted to correspond to any layer of cells (21) of each sorting cell (2).

2. The multi-level cell cross belt sorter apparatus as claimed in claim 1 wherein: the bottom plate of each layer of grid of the sorting grid (2) is a flat plate or a downward inclined plate.

3. The multi-level cell cross belt sorter apparatus as claimed in claim 1 wherein: each layer of grid (21) is a chute, and the length of the chute of each sorting grid (2) is gradually increased from the bottom to the top.

4. The multi-level cell cross belt sorter apparatus as claimed in claim 1 wherein: the adjacent trolleys (11) are hinged.

5. The multi-level cell cross belt sorter apparatus as claimed in claim 1 wherein: the trolley (11) comprises a chassis (111), a lifting driving mechanism is arranged on the chassis (111), a belt conveyor (113) is arranged on the lifting driving mechanism and drives the belt conveyor to lift, and the belt conveyor (113) is arranged on a limiting mechanism on the chassis (111).

6. The multi-level cell cross belt sorter apparatus as claimed in claim 5 wherein: the lifting driving mechanism takes a motor and/or a hydraulic cylinder as a power source.

7. The multi-level cell cross belt sorter apparatus as claimed in claim 5 wherein: the lifting driving mechanism comprises a lead screw and a motor for driving the lead screw to work, and the lead screw is fixed on the chassis (111) and is directly connected with or indirectly connected with the belt conveyor (113) through a transmission mechanism and drives the belt conveyor to lift.

8. The multi-level cell cross belt sorter apparatus as claimed in claim 5 wherein: the lifting driving mechanism comprises hydraulic cylinders located on two sides of the belt conveyor, each hydraulic cylinder is provided with a chain wheel at the top of a piston rod in a rotatable mode, a chain is hung on the chain wheel, one end of the chain is fixed to the side edge of the belt conveyor, and the other end of the chain is fixed to the chassis.

9. The multi-level cell cross belt sorter apparatus as claimed in claim 1 wherein: the driving device (13) for driving the trolley (11) to move along the track (12) comprises at least one U-shaped groove linear motor (131) with a fixed position and an induction plate (132) which is fixed on part or all of the trolley (11) and corresponds to the U-shaped groove position of the U-shaped groove linear motor (131); or

The driving device (13) comprises a friction wheel (134) driven by a friction motor (133) with a fixed position to rotate and a friction plate (135) which is fixed on part or all of the trolley (11) and can be closely attached to the surface of the friction wheel (134).

10. The multi-level cell cross belt sorter apparatus as claimed in claim 9 wherein: the trolley (11) is hung or erected on the track (12), and the track (12) is in a floor type or a hanging type.

11. The multi-level cell cross belt sorter as in any of claims 1-10 wherein: the cross belt sorting machine is characterized by further comprising an upper envelope curve (3) positioned on the side edge of the cross belt sorting machine, and the number of the sorting grids (2) is multiple.

12. The multi-level cell cross belt sorter apparatus as claimed in claim 11 wherein: go up the envelope for many and set up side by side, the length L of the orbit between the last envelope of both sides and the letter sorting bin that is closest to it satisfies following formula:

h is the maximum moving stroke of the belt conveyor, and V1 is the maximum lifting speed of the belt conveyor; v2 is the speed of the carriage moving along the track.

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