CN212314741U

CN212314741U - Coaxial double-layer linear circulation lifting cross belt sorting machine

Info

Publication number: CN212314741U
Application number: CN202022084453.0U
Authority: CN
Inventors: 沈益民; 辛怀书
Original assignee: Hangzhou Xuhui Express Intelligent Equipment Co ltd
Current assignee: Hangzhou Xuhui Express Intelligent Equipment Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-01-08
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a can improve double-deck straight line circulation lift cross belt sorting machine of coaxial-type of letter sorting dolly rate of utilization. This sorting machine includes support frame, aircraft nose case and tail case, a plurality of letter sorting dolly, the fixed first horizontal slide rail that is provided with on the support frame, the horizontal slide rail of second, the horizontal slide rail of third, the horizontal slide rail of fourth, when using, the letter sorting dolly no matter removes in the horizontal slide rail of upper strata, remove in the horizontal slide rail of lower floor, when still rotating, the objective table that can both guarantee the letter sorting dolly is up all the time, thereby make the article placed on the objective table can not drop at the overall process that the letter sorting dolly removed, realize the letter sorting at upper slide rail, the equal transport and the letter sorting that can carry out article of lower floor's slide rail, the rate of utilization of letter sorting dolly has been improved greatly, be favorable to improving letter sorting efficiency, the flexibility that equipment such as material loading line, letter sorting mouth laid has been improved simultaneously, the area of letter sorting machine. Is suitable for popularization and application in the technical field of logistics.

Description

Coaxial double-layer linear circulation lifting cross belt sorting machine

Technical Field

The utility model belongs to the technical field of the commodity circulation technique and specifically relates to a double-deck sharp circulation lift cross belt sorting machine of coaxial-type.

Background

The cross belt sorting system is formed by connecting a main driving belt conveyor and a trolley (a sorting trolley for short) carrying a small belt conveyor together, and when the sorting trolley moves to a specified sorting position, the small belt conveyor of the sorting trolley is rotated to sort and send out articles placed on the sorting trolley. Since the main drive belt conveyor is cross-shaped with the belt conveyor of the sorting car, it is called a cross-belt sorter.

The conventional cross belt sorting machine, such as a circular cross belt sorting machine, is generally a structure horizontally laid on the ground, and the structure has a large floor area, is difficult to adapt to a small-space use occasion, and has poor application flexibility.

In view of this, there are more and more enterprises to study the linear cross belt sorting machine vigorously, and the disclosed linear cross belt sorting machine has a small floor area, but still has certain problems: because the letter sorting dolly moves along circular orbit, when the letter sorting dolly is high-order, the transport face of letter sorting dolly can carry out the transport of article upwards, when the dolly rotated circular orbit's corner and lower floor's position, at this moment, the transport face downward sloping or down of letter sorting dolly, article can't keep on the transport face of letter sorting dolly, consequently, article must move the year when the upper strata, and can't move the year in the lower floor, this is very big the availability factor of dolly that has reduced, the flexibility that equipment laid has also been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a double-deck straight line circulation lift cross belt sorting machine of coaxial-type that can improve letter sorting dolly rate of utilization is provided.

The utility model provides a technical scheme that its technical problem adopted is: the coaxial double-layer linear circulation lifting cross belt sorting machine comprises a support frame, a machine head box, a machine tail box and a plurality of sorting trolleys, wherein the machine head box is arranged at the front end of the support frame, the machine tail box is arranged at the rear end of the support frame, the sorting trolleys are sequentially arranged along the front and rear direction of the support frame, a first horizontal sliding rail, a second horizontal sliding rail, a third horizontal sliding rail and a fourth horizontal sliding rail are fixedly arranged on the support frame, the first horizontal sliding rail, the second horizontal sliding rail, the third horizontal sliding rail and the fourth horizontal sliding rail are parallel to each other, the first horizontal sliding rail is positioned over the third horizontal sliding rail, the second horizontal sliding rail is positioned over the fourth horizontal sliding rail, the first horizontal sliding rail and the second horizontal sliding rail are positioned in the same-height horizontal plane, the third horizontal sliding rail and the fourth horizontal sliding rail are positioned in the same-height horizontal plane, and the support frame is provided with sorting trolleys for driving the sorting trolleys to move along the first horizontal sliding rail A linear drive motor;

the sorting trolley comprises an object stage and a base, the object stage is fixed on the upper surface of the base, a first rotating shaft is fixedly arranged at the center of the left side surface of the base, a first roller and a first synchronous belt pulley are sleeved on the first rotating shaft, the first synchronous belt pulley is positioned on the outer side of the first roller, a gap exists between the first roller and the first synchronous belt pulley, the first synchronous belt pulley is fixed on the first rotating shaft, third rotating shafts are arranged at the front end and the rear end of the left side surface of the base, the distances between the first rotating shaft and the two third rotating shafts are the same, third rollers with the same structure are sleeved on the third rotating shafts, and the distance between the inner side end surface of the first roller and the left side surface of the base is larger than the distance between the outer side end surface of the third roller and the left side surface of the base; a second rotating shaft is fixedly arranged at the center of the right side surface of the base, the central axis of the first rotating shaft and the central axis of the second rotating shaft are overlapped, the central axis of the first rotating shaft is perpendicular to the first horizontal sliding rail, a second idler wheel and a second synchronous pulley are sleeved on the second rotating shaft, the second synchronous pulley is positioned on the outer side of the second idler wheel, a gap is formed between the second idler wheel and the second synchronous pulley, the second synchronous pulley is fixed on the second rotating shaft, fourth rotating shafts are arranged at the front end and the rear end of the right side surface of the base respectively, the distances between the second rotating shaft and the two fourth rotating shafts are the same, the fourth rotating shafts are sleeved with fourth idler wheels with the same structure, and the distance between the inner side end surface of the second idler wheel and the right side surface of the base is larger than the distance between the outer side end surface of the fourth idler wheel and the right side; two adjacent sorting trolleys are connected through a first connecting plate, a second connecting plate, a first synchronous belt and a second synchronous belt, two ends of the first connecting plate are respectively sleeved on first rotating shafts of the two adjacent sorting trolleys through bearings, two ends of the second connecting plate are respectively sleeved on second rotating shafts of the two adjacent sorting trolleys through bearings, the first synchronous belt sequentially bypasses first synchronous belt wheels of the two adjacent sorting trolleys, the second synchronous belt sequentially bypasses second synchronous belt wheels of the two adjacent sorting trolleys, when the sorting trolleys move to a position between the first horizontal sliding rail and the second horizontal sliding rail, third idler wheels of the sorting trolleys are all positioned on the upper surface of the first horizontal sliding rail and freely roll along the upper surface of the first horizontal sliding rail, fourth idler wheels of the sorting trolleys are all positioned on the upper surface of the second horizontal sliding rail and freely roll along the upper surface of the second horizontal sliding rail, when the sorting trolley moves to a position between the third horizontal sliding rail and the fourth horizontal sliding rail, third rollers of the sorting trolley are located on the upper surface of the third horizontal sliding rail and freely roll along the upper surface of the third horizontal sliding rail, and fourth rollers of the sorting trolley are located in the upper surface of the fourth horizontal sliding rail and freely roll along the upper surface of the fourth horizontal sliding rail;

the machine head box and the machine tail box are identical in structure, the machine head box comprises a box body fixed on a supporting frame, a first supporting plate and a second supporting plate are arranged in the box body, the first supporting plate is vertically arranged and is located in the same vertical plane with a first roller of a sorting trolley, the second supporting plate is vertically arranged and is located in the same vertical plane with a second roller of the sorting trolley, a first arc-shaped groove is formed in the first supporting plate and penetrates through the first supporting plate, a second arc-shaped groove is formed in the second supporting plate and penetrates through the second supporting plate, the central axis of the first arc-shaped groove is coincided with the central axis of the second arc-shaped groove, the front end of a first horizontal sliding rail extends into the box body, and the vertical distance between the front end face of the first horizontal sliding rail and the central axis of the first arc-shaped groove is equal to the distance between the central axis of the first roller and the central axis of a third roller The first horizontal slide rail is positioned on the inner side of the first supporting plate, the front end of the third horizontal slide rail extends into the box body, the vertical distance between the front end surface of the third horizontal slide rail and the central axis of the first arc-shaped groove is equal to the distance between the central axis of the first roller and the central axis of the third roller, and the third horizontal slide rail is positioned on the inner side of the first supporting plate; the front end of the second horizontal sliding rail extends into the box body, the vertical distance between the front end face of the second horizontal sliding rail and the central axis of the second arc-shaped groove is equal to the distance between the central axis of the second roller and the central axis of the fourth roller, the second horizontal sliding rail is positioned on the inner side of the second support plate, the front end of the fourth horizontal sliding rail extends into the box body, the vertical distance between the front end face of the fourth horizontal sliding rail and the central axis of the second arc-shaped groove is equal to the distance between the central axis of the second roller and the central axis of the fourth roller, the fourth horizontal sliding rail is positioned on the inner side of the second support plate, when the first rotating shaft of any sorting trolley moves to be right above the central axis of the first arc-shaped groove, the first roller is positioned in the first arc-shaped groove, and the second roller is positioned in the second arc-.

Further, a first auxiliary arc-shaped slide rail and a second auxiliary arc-shaped slide rail are arranged in the box body, the first auxiliary arc-shaped slide rail is located on the inner side of the first support plate, the second auxiliary arc-shaped slide rail is located on the inner side of the second support plate, and the extending direction of the inner surface of the first auxiliary arc-shaped slide rail coincides with the movement trajectory of a third roller located at the front end of the sorting trolley when the sorting trolley rotates around the central axis of the first arc-shaped groove.

Further, the lower surface left side of base is provided with a plurality of first spacing gyro wheels, the central axis of a plurality of first spacing gyro wheels is parallel to each other, the central axis of a plurality of first spacing gyro wheels all is mutually perpendicular with the base lower surface, the distance between the central axis of a plurality of first spacing gyro wheels and the first horizontal slide rail is equal and equal to the radius of first spacing gyro wheel, the lower surface right side of base is provided with a plurality of second spacing gyro wheels, the central axis of a plurality of second spacing gyro wheels is parallel to each other, the central axis of a plurality of second spacing gyro wheels all is mutually perpendicular with the base lower surface, the distance between the central axis of a plurality of second spacing gyro wheels and the second horizontal slide rail is equal and equal to the radius of second spacing gyro wheel.

Further, be provided with first safety cover, second safety cover, third safety cover, fourth safety cover on the support frame, first horizontal slide rail is located first safety cover, second horizontal slide rail is located the second safety cover, third horizontal slide rail is located the third safety cover, fourth horizontal slide rail is located the fourth safety cover.

The utility model has the advantages that: this double-deck straight line of coaxial-type circulation lift cross belt sorting machine is when using, the letter sorting dolly no matter removes in the horizontal slide rail on upper strata, remove in the horizontal slide rail of lower floor, when still rotating around the central axis of the convex recess of second, the objective table that can both guarantee the letter sorting dolly is up all the time, thereby make the article of placing on the objective table can not drop at the overall process that the letter sorting dolly removed, consequently, realize the letter sorting at upper slide rail, the lower floor slide rail homoenergetic carries out the transport and the letter sorting of article, the rate of utilization of letter sorting dolly is greatly improved, be favorable to improving letter sorting efficiency, the material loading line has been improved simultaneously, the flexibility that equipment such as letter sorting mouth laid, the area of sorting machine has been reduced greatly.

Drawings

FIG. 1 is a schematic view of the overall structure of the coaxial double-layer linear circulation lifting cross belt sorting machine of the present invention;

fig. 2 is a schematic view of the slide rail structure of the present invention;

fig. 3 is a schematic structural view of the headstock of the present invention;

fig. 4 is a schematic view of another perspective structure of the nose box according to the present invention;

FIG. 5 is a schematic structural view of the sorting trolley of the present invention;

fig. 6 is a rear view of the sorting cart of the present invention;

the notation in the figure is: the automatic sorting device comprises a supporting frame 1, a sorting trolley 2, an object stage 201, a base 202, a first rotating shaft 203, a first roller 204, a first synchronous belt pulley 205, a third roller 206, a second rotating shaft 207, a second roller 208, a second synchronous belt pulley 209, a fourth roller 210, a first connecting plate 211, a second connecting plate 212, a first synchronous belt 213, a second synchronous belt 214, a first limit roller 215, a second limit roller 216, a head box 3, a box body 301, a first supporting plate 302, a second supporting plate 303, a first arc-shaped groove 304, a second arc-shaped groove 305, a first auxiliary arc-shaped slide rail 306, a second auxiliary arc-shaped slide rail 307, a tail box 4, a first horizontal slide rail 5, a second horizontal slide rail 6, a third horizontal slide rail 7, a fourth horizontal slide rail 8, a first protective cover 9, a second protective cover 10, a third protective cover 11 and a fourth protective cover 12.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-6, the coaxial double-layer linear circulation lifting cross belt sorting machine comprises a support frame 1, a head box 3, a tail box 4 and a plurality of sorting trolleys 2, wherein the head box 3 is arranged at the front end of the support frame 1, the tail box 4 is arranged at the rear end of the support frame 1, the sorting trolleys 2 are sequentially arranged along the front and rear direction of the support frame 1, a first horizontal slide rail 5, a second horizontal slide rail 6, a third horizontal slide rail 7 and a fourth horizontal slide rail 8 are fixedly arranged on the support frame 1, the first horizontal slide rail 5, the second horizontal slide rail 6, the third horizontal slide rail 7 and the fourth horizontal slide rail 8 are parallel to each other, the first horizontal slide rail 5 is positioned right above the third horizontal slide rail 7, the second horizontal slide rail 6 is positioned right above the fourth horizontal slide rail 8, and the first horizontal slide rail 5 and the second horizontal slide rail 6 are positioned in a horizontal plane at the same height, the third horizontal slide rail 7 and the fourth horizontal slide rail 8 are positioned in a horizontal plane at the same height, and a linear driving motor for driving the sorting trolley 2 to move along the first horizontal slide rail 5 or the third horizontal slide rail 7 is arranged on the support frame 1;

the sorting trolley 2 comprises an object stage 201 and a base 202, the object stage 201 is fixed on the upper surface of the base 202, a first rotating shaft 203 is fixedly arranged at the center of the left side surface of the base 202, a first roller 204 and a first synchronous belt pulley 205 are sleeved on the first rotating shaft 203, the first synchronous pulley 205 is located outside the first roller 204 and there is a gap between the first roller 204 and the first synchronous pulley 205, the first synchronous pulley 205 is fixed on the first rotating shaft 203, the front end and the rear end of the left side surface of the base 202 are provided with third rotating shafts, the distances between the first rotating shaft 203 and the two third rotating shafts are the same, the third rotating shafts are sleeved with third rollers 206 with the same structure, the distance between the end face of the inner side of the first roller 204 and the left side surface of the base 202 is larger than the distance between the end face of the outer side of the third roller 206 and the left side surface of the base 202; a second rotating shaft 207 is fixedly arranged at the center of the right side surface of the base 202, the central axis of the first rotating shaft 203 and the central axis of the second rotating shaft 207 are overlapped, the central axis of the first rotating shaft 203 is perpendicular to the first horizontal sliding rail 5, a second roller 208 and a second synchronous pulley 209 are sleeved on the second rotating shaft 207, the second timing pulley 209 is located outside the second roller 208 and a gap exists between the second roller 208 and the second timing pulley 209, the second synchronous pulley 209 is fixed on the second rotating shaft 207, the front end and the rear end of the right side surface of the base 202 are both provided with a fourth rotating shaft, the distances between the second rotating shaft 207 and the two fourth rotating shafts are the same, the fourth rotating shafts are sleeved with fourth rollers 210 with the same structure, the distance between the end face of the inner side of the second roller 208 and the right side surface of the base 202 is larger than the distance between the end face of the outer side of the fourth roller 210 and the right side surface of the base 202; two adjacent sorting trolleys 2 are connected through a first connecting plate 211, a second connecting plate 212, a first synchronous belt 213 and a second synchronous belt 214, two ends of the first connecting plate 211 are respectively sleeved on the first rotating shafts 203 of the two adjacent sorting trolleys 2 through bearings, two ends of the second connecting plate 212 are respectively sleeved on the second rotating shafts 207 of the two adjacent sorting trolleys 2 through bearings, the first synchronous belt 213 sequentially bypasses the first synchronous belt wheels 205 of the two adjacent sorting trolleys 2, the second synchronous belt 214 sequentially bypasses the second synchronous belt wheels 209 of the two adjacent sorting trolleys 2, when the sorting trolleys 2 move to a position between the first horizontal slide rail 5 and the second horizontal slide rail 6, the third rollers 206 of the sorting trolleys 2 are both positioned on the upper surface of the first horizontal slide rail 5 and freely roll along the upper surface of the first horizontal slide rail 5, and the fourth rollers 210 of the sorting trolleys 2 are both positioned on the upper surface of the second horizontal slide rail 6 and freely roll along the upper surface of the second horizontal slide rail 6 When the sorting trolley 2 moves between the third horizontal slide rail 7 and the fourth horizontal slide rail 8, the third rollers 206 of the sorting trolley 2 are all positioned on the upper surface of the third horizontal slide rail 7 and freely roll along the upper surface of the third horizontal slide rail 7, and the fourth rollers 210 of the sorting trolley 2 are all positioned on the upper surface of the fourth horizontal slide rail 8 and freely roll along the upper surface of the fourth horizontal slide rail 8;

the structure of the headstock 3 is the same as that of the tailstock 4, the headstock 3 comprises a box body 301 fixed on the support frame 1, a first support plate 302 and a second support plate 303 are arranged in the box body 301, the first support plate 302 is vertically arranged and is positioned in the same vertical plane with a first roller 204 of the sorting trolley 2, the second support plate 303 is vertically arranged and is positioned in the same vertical plane with a second roller 208 of the sorting trolley 2, a first circular arc-shaped groove 304 is arranged on the first support plate 302, the first circular arc-shaped groove 304 penetrates through the first support plate 302, a second circular arc-shaped groove 305 is arranged on the second support plate 303, the second circular arc-shaped groove 305 penetrates through the second support plate 303, the central axis of the first circular arc-shaped groove 304 is coincident with the central axis of the second circular arc-shaped groove 305, the front end of the first horizontal slide rail 5 extends into the box body 301, and the vertical direction between the front end face of the first horizontal slide rail 5 and the central axis of the first circular arc The straight distance is equal to the distance between the central axis of the first roller 204 and the central axis of the third roller 206, the first horizontal slide rail 5 is located inside the first support plate 302, the front end of the third horizontal slide rail 7 extends into the box 301, the vertical distance between the front end surface of the third horizontal slide rail 7 and the central axis of the first circular arc-shaped groove 304 is equal to the distance between the central axis of the first roller 204 and the central axis of the third roller 206, and the third horizontal slide rail 7 is located inside the first support plate 302; the front end of the second horizontal slide rail 6 extends into the box 301, the vertical distance between the front end surface of the second horizontal slide rail 6 and the central axis of the second circular arc-shaped groove 305 is equal to the distance between the central axis of the second roller 208 and the central axis of the fourth roller 210, the second horizontal slide rail 6 is positioned inside the second support plate 303, the front end of the fourth horizontal slide rail 8 extends into the box 301, the vertical distance between the front end surface of the fourth horizontal slide rail 8 and the central axis of the second circular arc-shaped groove 305 is equal to the distance between the central axis of the second roller 208 and the central axis of the fourth roller 210, the fourth horizontal slide rail 8 is positioned inside the second support plate 303, when the first rotating shaft 203 of any one sorting trolley 2 moves to be right above the central axis of the first circular arc-shaped groove 304, the first roller 204 is positioned inside the first circular arc-shaped groove 304, the second roller 208 is located in the second circular arc groove 305.

The working principle of the coaxial double-layer linear circulation lifting cross belt sorting machine is as follows: first, the sorting trolley 2 is driven to move by the linear driving motor, and since the central axis of the first circular arc-shaped groove 304 is coincident with the central axis of the second circular arc-shaped groove 305, the front end of the first horizontal sliding rail 5 extends into the box 301, and the vertical distance between the front end surface of the first horizontal sliding rail 5 and the central axis of the first circular arc-shaped groove 304 is equal to the distance between the central axis of the first roller 204 and the central axis of the third roller 206, the first horizontal slide rail 5 is located on the inner side of the first support plate 302, the front end of the third horizontal slide rail 7 extends into the box 301, the vertical distance between the front end surface of the third horizontal slide rail 7 and the central axis of the first circular arc groove 304 is equal to the distance between the central axis of the first roller 204 and the central axis of the third roller 206, and the third horizontal slide rail 7 is located on the inner side of the first support plate 302; the front end of the second horizontal slide rail 6 extends into the box body 301, the vertical distance between the front end surface of the second horizontal slide rail 6 and the central axis of the second circular arc-shaped groove 305 is equal to the distance between the central axis of the second roller 208 and the central axis of the fourth roller 210, the second horizontal slide rail 6 is positioned on the inner side of the second support plate 303, the front end of the fourth horizontal slide rail 8 extends into the box body 301, the vertical distance between the front end surface of the fourth horizontal slide rail 8 and the central axis of the second circular arc-shaped groove 305 is equal to the distance between the central axis of the second roller 208 and the central axis of the fourth roller 210, and the fourth horizontal slide rail 8 is positioned on the inner side of the second support plate 303; when the first rotating shaft 203 of any one of the sorting trolleys 2 moves to the position right above the central axis of the first circular arc groove 304, the third roller 206 and the fourth roller 210 at the front end of the sorting trolley 2 are separated from the first horizontal sliding rail 5 and the second horizontal sliding rail 6 at the same time, because the two adjacent sorting trolleys 2 are connected through the first connecting plate 211, the second connecting plate 212, the first synchronous belt 213 and the second synchronous belt 214 move, so that as long as one of the sorting trolleys 2 rotates, the other sorting trolleys 2 also rotate synchronously, that is, as long as one of the sorting trolleys 2 is in a horizontal state, the other sorting trolleys 2 are also in a horizontal state, and because the sorting trolleys 2 on the horizontal sliding rails are all in a horizontal state, at this time, even if the sorting trolleys 2 are supported only by the third roller 206 and the fourth roller 210 at the rear end of the sorting trolleys 2, due to the action of the first and second

synchronous belts

213, 214 and the action of the first and

second connection plates

211, 212, all the sorting carts 2 can be in a horizontal state, which can ensure that the sorting carts 2 can not turn over during moving, so as to keep the sorting carts 2 in a horizontal state all the time, when the first rotating shaft 203 of the sorting cart 2 moves to a position right above the central axis of the first circular arc-shaped groove 304, at this time, the first roller 204 is in the first circular arc-shaped groove 304, the second roller 208 is in the second circular arc-shaped groove 305, the third and

fourth rollers

206, 210 at the rear end of the sorting cart 2 are also separated from the first and second

horizontal slide rails

5, 6, when the sorting cart 2 continues to rotate around the central axis of the first circular arc-shaped groove 304, due to the action of the first and second

synchronous belts

213, 214 and the action of the first and

second connection plates

211, 212, all the sorting trolleys 2 can be in a horizontal state, so that the sorting trolleys 2 are kept in a horizontal state all the time, when the first rotating shaft 203 of each sorting trolley 2 moves to be right below the central axis of the first circular arc-shaped groove 304, the first roller 204 is separated from the first circular arc-shaped groove 304, the second roller 208 is separated from the second circular arc-shaped groove 305, the third roller 206 and the fourth roller 210 at the rear end of each sorting trolley 2 simultaneously move to the upper surface of the third horizontal sliding rail 7 and the upper surface of the fourth horizontal sliding rail 8, all the sorting trolleys 2 can be in a horizontal state due to the action of the first synchronous belt 213 and the second synchronous belt 214 and the action of the first connecting plate 211 and the second connecting plate 212, so that the sorting trolleys 2 are kept in a horizontal state all the time, and when each sorting trolley 2 continues to move, the third roller 206 at the front end of each sorting trolley 2 is kept in a horizontal state, The fourth roller 210 moves to the upper surface of the third horizontal slide rail 7 and the upper surface of the fourth horizontal slide rail 8 at the same time, two adjacent sorting trolleys 2 are connected through the first connecting plate 211, the second connecting plate 212, the first synchronous belt 213 and the second synchronous belt 214, the front sorting trolley 2 drives the rear sorting trolley 2 to move when moving, and the process is repeated in a circulating way, when in use, the sorting trolleys 2 can ensure that the object stage 201 of the sorting trolleys 2 always faces upwards no matter the sorting trolleys 2 move in the upper horizontal slide rail, move in the lower horizontal slide rail or rotate around the central axis of the second circular arc-shaped groove 305, so that the objects placed on the object stage 201 cannot fall off in the whole moving process of the sorting trolleys 2, therefore, the sorting trolleys can carry out the conveying and sorting of the objects on the upper slide rail and the lower slide rail, and the utilization rate of the sorting trolleys 2 is greatly improved, the sorting machine is beneficial to improving the sorting efficiency, simultaneously improves the flexibility of layout of equipment such as a feeding line, a sorting port and the like, and simultaneously greatly reduces the occupied area of the sorting machine.

In order to ensure the stability of the sorting trolley 2 when rotating around the central axis of the first circular arc-shaped groove 304, a first auxiliary arc-shaped slide rail 306 and a second auxiliary arc-shaped slide rail 307 are arranged in the box body 301, the first auxiliary arc-shaped slide rail 306 is positioned inside the first support plate 302, the second auxiliary arc-shaped slide rail 307 is positioned inside the second support plate 303, and the extending direction of the inner surface of the first auxiliary arc-shaped slide rail 306 coincides with the moving trajectory line of the third roller 206 positioned at the front end of the sorting trolley 2 when the sorting trolley 2 rotates around the central axis of the first circular arc-shaped groove 304. When the sorting trolley 2 rotates around the central axis of the first circular arc-shaped groove 304, four supporting points can be located in the same plane, so that the sorting trolley 2 can run more stably in the rotating process.

In order to ensure the stability of the sorting trolley 2 when moving along the horizontal sliding rails, the left side of the lower surface of the base 202 is provided with a plurality of first limiting rollers 215, the central axes of the plurality of first limiting rollers 215 are parallel to each other, the central axes of the plurality of first limiting rollers 215 are perpendicular to the lower surface of the base 202, the distances between the central axes of the plurality of first limiting rollers 215 and the first horizontal sliding rail 5 are equal and equal to the radius of the first limiting rollers 215, the right side of the lower surface of the base 202 is provided with a plurality of second limiting rollers 216, the central axes of the plurality of second limiting rollers 216 are parallel to each other, the central axes of the plurality of second limiting rollers 216 are perpendicular to the lower surface of the base 202, and the distances between the central axes of the plurality of second limiting rollers 216 and the second horizontal sliding rail 6 are equal and equal to the radius of the second limiting rollers 216. Therefore, the sorting trolley 2 can be limited between the first horizontal sliding rail 5 and the second horizontal sliding rail 6 or between the third horizontal sliding rail 7 and the fourth horizontal sliding rail 8 through the limiting rollers, the first rollers 204 and the second rollers 208, and the operation is more stable.

In order to prevent sundries from falling to the surface of the sliding rail to influence the operation of the sorting trolley 2, a first protective cover 9, a second protective cover 10, a third protective cover 11 and a fourth protective cover 12 are arranged on the support frame 1, the first horizontal sliding rail 5 is positioned in the first protective cover 9, the second horizontal sliding rail 6 is positioned in the second protective cover 10, the third horizontal sliding rail 7 is positioned in the third protective cover 11, and the fourth horizontal sliding rail 8 is positioned in the fourth protective cover 12.

Claims

1. Double-deck straight line circulation lift cross area sorting machine of coaxial-type, its characterized in that: comprises a support frame (1), a head box (3), a tail box (4) and a plurality of sorting trolleys (2), wherein the head box (3) is arranged at the front end of the support frame (1), the tail box (4) is arranged at the rear end of the support frame (1), the sorting trolleys (2) are sequentially arranged along the front and rear direction of the support frame (1), a first horizontal slide rail (5), a second horizontal slide rail (6), a third horizontal slide rail (7) and a fourth horizontal slide rail (8) are fixedly arranged on the support frame (1), the first horizontal slide rail (5), the second horizontal slide rail (6), the third horizontal slide rail (7) and the fourth horizontal slide rail (8) are parallel to each other, the first horizontal slide rail (5) is positioned over the third horizontal slide rail (7), the second horizontal slide rail (6) is positioned over the fourth horizontal slide rail (8), and the first horizontal slide rail (5) and the second horizontal slide rail (6) are positioned in the same horizontal plane, the third horizontal sliding rail (7) and the fourth horizontal sliding rail (8) are positioned in a horizontal plane at the same height, and a linear driving motor for driving the sorting trolley (2) to move along the first horizontal sliding rail (5) or the third horizontal sliding rail (7) is arranged on the supporting frame (1);

sorting trolley (2) comprises an object stage (201) and a base (202), the object stage (201) is fixed on the upper surface of the base (202), a first rotating shaft (203) is fixedly arranged at the center of the left side surface of the base (202), a first roller (204) and a first synchronous pulley (205) are sleeved on the first rotating shaft (203), the first synchronous pulley (205) is positioned on the outer side of the first roller (204), a gap exists between the first roller (204) and the first synchronous pulley (205), the first synchronous pulley (205) is fixed on the first rotating shaft (203), third rotating shafts are arranged at the front end and the rear end of the left side surface of the base (202), the distances between the first rotating shaft (203) and the two third rotating shafts are identical, a third roller (206) with the same structure is sleeved on the third rotating shaft, and the distance between the inner side surface of the first roller (204) and the left side surface of the base (202) is larger than the outer side end surface roller (206) A distance from a left side surface of the base (202); a second rotating shaft (207) is fixedly arranged at the center of the right side surface of the base (202), the central axis of the first rotating shaft (203) and the central axis of the second rotating shaft (207) are overlapped, the central axis of the first rotating shaft (203) is perpendicular to the first horizontal sliding rail (5), a second idler wheel (208) and a second synchronous pulley (209) are sleeved on the second rotating shaft (207), the second synchronous pulley (209) is positioned at the outer side of the second idler wheel (208), a gap exists between the second idler wheel (208) and the second synchronous pulley (209), the second synchronous pulley (209) is fixed on the second rotating shaft (207), fourth rotating shafts are arranged at the front end and the rear end of the right side surface of the base (202), the distances between the second rotating shaft (207) and the two fourth rotating shafts are the same, and a fourth idler wheel (210) with the same structure is sleeved on the fourth rotating shaft, the distance between the end face of the inner side of the second roller (208) and the right side surface of the base (202) is larger than the distance between the end face of the outer side of the fourth roller (210) and the right side surface of the base (202); two adjacent sorting trolleys (2) are connected with each other through a first connecting plate (211), a second connecting plate (212), a first synchronous belt (213) and a second synchronous belt (214), two ends of the first connecting plate (211) are respectively sleeved on first rotating shafts (203) of the two adjacent sorting trolleys (2) through bearings, two ends of the second connecting plate (212) are respectively sleeved on second rotating shafts (207) of the two adjacent sorting trolleys (2) through bearings, the first synchronous belt (213) sequentially bypasses first synchronous belt wheels (205) of the two adjacent sorting trolleys (2), the second synchronous belt (214) sequentially bypasses second synchronous belt wheels (209) of the two adjacent sorting trolleys (2), and when the sorting trolleys (2) move between a first horizontal sliding rail (5) and a second horizontal sliding rail (6), third rollers (206) of the sorting trolleys (2) are both located on the upper surface of the first horizontal sliding rail (5) and along the first horizontal sliding rail (5) The upper surfaces roll freely, fourth rollers (210) of the sorting trolleys (2) are positioned on the upper surfaces of the second horizontal sliding rails (6) and roll freely along the upper surfaces of the second horizontal sliding rails (6), when the sorting trolleys (2) move to a position between the third horizontal sliding rails (7) and the fourth horizontal sliding rails (8), the third rollers (206) of the sorting trolleys (2) are positioned on the upper surfaces of the third horizontal sliding rails (7) and roll freely along the upper surfaces of the third horizontal sliding rails (7), and the fourth rollers (210) of the sorting trolleys (2) are positioned in the upper surfaces of the fourth horizontal sliding rails (8) and roll freely along the upper surfaces of the fourth horizontal sliding rails (8);

the machine head box (3) and the machine tail box (4) are identical in structure, the machine head box (3) comprises a box body (301) fixed on a support frame (1), a first support plate (302) and a second support plate (303) are arranged in the box body (301), the first support plate (302) is vertically arranged and is located in the same vertical plane with a first roller (204) of a sorting trolley (2), the second support plate (303) is vertically arranged and is located in the same vertical plane with a second roller (208) of the sorting trolley (2), a first circular arc-shaped groove (304) is formed in the first support plate (302), the first circular arc-shaped groove (304) penetrates through the first support plate (302), a second circular arc-shaped groove (305) is formed in the second support plate (303), the second circular arc-shaped groove (305) penetrates through the second support plate (303), and the central axis of the first circular arc-shaped groove (304) coincides with the central axis of the second circular arc-shaped groove (305) The front end of the first horizontal slide rail (5) extends into the box body (301), the vertical distance between the front end surface of the first horizontal slide rail (5) and the central axis of the first circular arc-shaped groove (304) is equal to the distance between the central axis of the first roller (204) and the central axis of the third roller (206), the first horizontal slide rail (5) is positioned on the inner side of the first support plate (302), the front end of the third horizontal slide rail (7) extends into the box body (301), the vertical distance between the front end surface of the third horizontal slide rail (7) and the central axis of the first circular arc-shaped groove (304) is equal to the distance between the central axis of the first roller (204) and the central axis of the third roller (206), and the third horizontal slide rail (7) is positioned on the inner side of the first support plate (302); the front end of the second horizontal sliding rail (6) extends into the box body (301), the vertical distance between the front end surface of the second horizontal sliding rail (6) and the central axis of the second circular arc-shaped groove (305) is equal to the distance between the central axis of the second roller (208) and the central axis of the fourth roller (210), the second horizontal sliding rail (6) is positioned on the inner side of the second support plate (303), the front end of the fourth horizontal sliding rail (8) extends into the box body (301), the vertical distance between the front end surface of the fourth horizontal sliding rail (8) and the central axis of the second circular arc-shaped groove (305) is equal to the distance between the central axis of the second roller (208) and the central axis of the fourth roller (210), the fourth horizontal sliding rail (8) is positioned on the inner side of the second support plate (303), and when the first rotating shaft (203) of any sorting trolley (2) moves to be right above the central axis of the first circular arc-shaped groove (304), the first roller (204) is positioned in the first circular arc-shaped groove (304), and the second roller (208) is positioned in the second circular arc-shaped groove (305).

2. The coaxial double-layer linear circulation lifting cross belt sorter as claimed in claim 1 wherein: a first auxiliary arc-shaped sliding rail (306) and a second auxiliary arc-shaped sliding rail (307) are arranged in the box body (301), the first auxiliary arc-shaped sliding rail (306) is located on the inner side of the first supporting plate (302), the second auxiliary arc-shaped sliding rail (307) is located on the inner side of the second supporting plate (303), and the extending direction of the inner surface of the first auxiliary arc-shaped sliding rail (306) is overlapped with the moving trajectory line of a third roller (206) located at the front end of the sorting trolley (2) when the sorting trolley (2) rotates around the central axis of the first arc-shaped groove (304).

3. The coaxial double-layer linear circulation lifting cross belt sorter as claimed in claim 1 wherein: the left side of the lower surface of the base (202) is provided with a plurality of first limiting rollers (215), the central axes of the first limiting rollers (215) are parallel to each other, the central axes of the first limiting rollers (215) are perpendicular to the lower surface of the base (202), the distances between the central axes of the first limiting rollers (215) and the first horizontal sliding rail (5) are equal and equal to the radius of the first limiting rollers (215), the right side of the lower surface of the base (202) is provided with a plurality of second limiting rollers (216), the central axes of the second limiting rollers (216) are parallel to each other, the central axes of the second limiting rollers (216) are perpendicular to the lower surface of the base (202), and the distances between the central axes of the second limiting rollers (216) and the second horizontal sliding rail (6) are equal and equal to the radius of the second limiting rollers (216).

4. The coaxial double-layer linear circulation lifting cross belt sorter as claimed in claim 1 wherein: be provided with first safety cover (9), second safety cover (10), third safety cover (11), fourth safety cover (12) on support frame (1), first horizontal slide rail (5) are located first safety cover (9), second horizontal slide rail (6) are located second safety cover (10), third horizontal slide rail (7) are located third safety cover (11), fourth horizontal slide rail (8) are located fourth safety cover (12).