CN114472232B - A cross-belt conveyor system for logistics - Google Patents

Abstract

The invention relates to a cross-belt conveying system for logistics, whose linear conveying part includes a parcel conveying/sorting section, a trolley replacement section and a trolley driving-out section. The linear conveying part includes: a support base, a drive accommodating bin for carrying the chain plate conveying assembly, a cross-belt trolley mechanism that can be laterally slidably arranged on the chain plate of the chain plate conveying assembly, and symmetrically arranged on both sides of the drive accommodating bin. There are two limit plate fixing beams on the wall; the limit plate fixing beams of the parcel conveying/sorting section and the trolley exit section are fixed with trolley lateral limit plates, and the limit plate fixing beams of the trolley replacement section can be fixed on the limit plate fixing beams. A number of limit blocks are provided for lifting and lowering, and the trolley lateral limit plate and the limit block are both used to limit the cross-belt trolley mechanism laterally; two trolley replacement devices are symmetrically arranged on both sides of the trolley replacement section, and the trolley The replacement device includes: a support beam, a replacement device guide rail, a replacement device support seat, a support beam drive block assembly, a plug-in mechanism and a trolley pick-and-place device.

Description

A cross-belt conveyor system for logistics

technical field

The invention relates to the field of cross-belt transmission, in particular to a cross-belt transmission system for logistics.

Background technique

The cross-belt sorting system is connected by a main drive belt conveyor and a trolley (referred to as "trolley") carrying a small belt conveyor. When the "trolley" moves to the specified sorting position, it rotates Belt to complete the task of sorting and sending out the goods. Because the main drive belt conveyor and the belt conveyor on the "trolley" are in a cross shape, it is called a cross belt type.

The existing cross-belt sorting system, such as the belt sorting device of the cross-belt sorting conveyor with the authorization announcement number CN201086993Y, includes a belt conveyor mechanism and a conveyor belt drive mechanism, and the belt conveyor mechanism consists of two mirror images of each other. , The roller installed on the frame and the belt surrounding the roller are composed. The conveyor belt drive mechanism is installed under the belt conveying mechanism. The bottom plate of the grooved frame is equipped with a friction wheel shaft. The lower end of the friction wheel shaft is fixed with a friction wheel, and the upper end is fixed There is a bevel gear, another bevel gear matched with the bevel gear is installed on the drive shaft, the drive shaft is installed between the two side plates of the slot-shaped frame, and at least one drive wheel is installed in the middle of the drive shaft. The drive pulley is located just below the pinch roller and the surface of the pulley is in close contact with the belt pressed by the pinch roller. For example, the "trolley" in this application mostly exists when the trolley is damaged and needs to be repaired, and the entire system must be shut down for replacement and maintenance, which seriously affects the process of parcel sorting and processing of the system's work efficiency.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a cross-belt conveying system for logistics, which is installed in the linear conveying part of the system and can replace the maintenance trolley without stopping the operation of the whole system.

In order to solve the above problems, the technical scheme adopted by the present invention is:

A cross-belt conveying system for logistics, the linear conveying part includes a parcel conveying/sorting section, a trolley replacement section and a trolley driving section;

The linear conveying part includes: a support base, a drive accommodating bin for carrying the chain plate conveying assembly, a cross-belt trolley mechanism that can be laterally slidably arranged on the chain plate of the chain plate conveying assembly, and a cross-belt trolley mechanism symmetrically arranged on the drive Two limit plate fixing beams on the side walls on both sides of the accommodating warehouse; wherein the limit plate fixing beams of the parcel conveying/sorting section and the trolley exit section are fixed with trolley lateral limit plates, and the trolley replacement section is fixed on the limit plate fixing beams. A number of limit blocks can be raised and lowered on the limit plate fixing beam of the trolley, and the trolley lateral limit plates and limit blocks are both used to laterally limit the cross-belt trolley mechanism;

Two trolley replacement devices are symmetrically arranged on both sides of the trolley replacement section. The trolley replacement device includes: a support beam, which is slidably arranged at the lower part of the fixing beam of the limit plate, which includes two support beam height parts and two support beam height parts. The lower part of the support beam between them, the limit block is in a lowered state when it is located on the lower part of the support beam, and the limit block is in a raised state when it is located on the high part of the support beam. The lower part of the support beam is connected by two symmetrically arranged support beam inclined parts, and the two support beam inclined parts are in the shape of "\ /" as a whole and are used to assist the lifting and lowering of the limit block;

The replacement device guide rail is arranged on one side of the support base;

The replacement device support base is slidably arranged on the replacement device guide rail through the running assembly;

a support beam driving block assembly, arranged on the support seat of the replacement device, and connected with the support beam for driving the support beam to slide;

a plate insertion mechanism, which is arranged on the support seat of the replacement device and corresponds to the lower part of the support beam, and is used for blocking the lowering of the limit block;

A trolley pick-and-place device is arranged on the support base of the replacement device, and corresponds to the lower part of the support beam for taking out the cross-belt trolley mechanism laterally from the chain plate or placing it laterally on the chain plate .

As a further improvement of the present invention, the cross-belt trolley mechanism includes a trolley bottom plate, two trolley connecting beams symmetrically arranged on both sides of the trolley bottom plate, and two trolley side plates longitudinally symmetrically arranged on both sides of the trolley bottom plate. The connecting plates on the side plates of the two trolleys, the two roller shaft support plates arranged longitudinally symmetrically on both sides of the connecting plates, the conveyor belt assemblies arranged on the two roller bearing plates, and the two roller bearing plates arranged on the bottom plate of the trolley Conveyor belt drive assembly;

A trolley guide wheel is provided on the side of the trolley connecting beam facing the limit plate fixing beam, the trolley lateral limit plate is provided with a limit plate groove corresponding to the trolley guide wheel, and the limit block corresponds to the trolley guide wheel. The trolley guide wheel is provided with a limit block groove; when the limit block is in a raised state, the limit block groove corresponds to the limit plate groove, and when the limit block is in a lowered state, The upper end surface of the limiting block is located below the bottom plate of the trolley.

As a further improvement of the present invention, a trolley guide column is laterally arranged at the lower part of the trolley side plate, a limit track with a C-shaped strip in cross section is arranged on the chain plate corresponding to the trolley guide column, and the cross-belt trolley mechanism The trolley guide post is slidably arranged in the limit track.

As a further improvement of the present invention, a limit plate fixing slot is provided on the limit plate fixing beam for placing and fixing the lateral limit plate of the trolley, and the limit plate fixing beam is opened corresponding to a number of the limit blocks There is a long limit block slot for the limit block to lift;

One side of the limit plate fixing beam is fixed on the side wall of the drive accommodating bin, and the other side is provided with a support beam track, and the lower end surface of the limit plate fixing beam is provided with a support beam guide groove.

As a further improvement of the present invention, the limit block is in the shape of a cuboid as a whole, a limit block boss is provided on its side surface, and a number of spring capacitors are provided on the limit plate fixing beam at the edge of the limit block slot hole. The spring accommodating hole is set in a one-to-one correspondence with the limit block boss, the limit block boss can be slidably arranged in the spring accommodating hole, and the spring accommodating hole is fixed in the spring accommodating hole. There is an ejection spring for ejecting the limit block to make it descend quickly.

As a further improvement of the present invention, the support beam further includes a support beam guide strip and a support beam connecting plate, and the support beam high part, the support beam lower part and the support beam inclined part are all connected with the support beam connecting plate, and the support beam is connected to the support beam connecting plate. The beam connecting plate is connected with the support beam guide strip, and the support beam guide strip is slidably arranged in the support beam guide groove;

The high part of the support beam includes a high part cross plate and a high part vertical plate arranged on one side of the high part cross plate, and a plurality of vertical plate rollers are evenly arranged on the side of the high part vertical plate facing the support beam track, The vertical plate rollers are rolled in the support beam track.

As a further improvement of the present invention, the supporting beam driving block assembly includes a lower connecting block and two inclined supporting blocks symmetrically arranged on both sides of the lower connecting block, and the upper end surface of the lower connecting block is connected by a bolt assembly. Connected with the lower end surface of the lower part of the support beam, the upper end surface of the support block of the inclined part abuts against the lower end surface of the inclined part of the support beam.

As a further improvement of the present invention, the plug-in mechanism includes a plug-in cylinder support table arranged on the support base of the replacement device, a plug-in board drive assembly disposed on the plug-in cylinder support base, and a plug-in board drive assembly disposed on the plug-in cylinder support base. an insert plate at the end of the output rod of the plate drive assembly, the upper end surface of the insert plate is flush with the upper end surface of the high cross plate;

The insert plate is inserted between the high parts of the two support beams under the drive of the insert plate drive assembly, so as to prevent the limit block from descending when the trolley replacement device is reset.

As a further improvement of the present invention, the trolley pick-and-place device includes a pick-and-place support platform arranged on the support base of the replacement device, a trolley bearing mechanism arranged on the pick-and-place support platform, and a trolley bearing mechanism arranged on the trolley bearing mechanism trolley pick-and-place mechanism;

The trolley bearing mechanism includes a bearing guide rail arranged on the pick-and-place support platform, a bearing platform slidably arranged on the bearing guide rail, two bearing platform lugs symmetrically arranged on both sides of the bearing platform, and a bearing platform symmetrically arranged on both sides of the bearing platform. Two carrying platform drive assemblies on the pick and place support platform located on both sides of the carrying platform, the output rods of the carrying platform drive assemblies are connected with the bearing platform lugs;

The trolley pick-and-place mechanism includes a pick-and-place drive assembly disposed on the bearing platform and away from the side of the limit plate fixing beam, and a pick-and-place claw assembly disposed at the end of the output rod of the pick-and-place drive assembly;

The upper end surface of the carrying platform corresponds to the lower end of the trolley bottom plate, and the pick-and-place claw assembly is used to grab the cross-belt trolley mechanism.

As a further improvement of the present invention, the pick-and-place claw assembly includes a steering gear accommodating bin arranged at the end of the output rod of the pick-and-place drive assembly, and two pick-and-place claw drive rudders arranged at intervals in the steering gear accommodating bin machine and two pick-and-place boards arranged on the output shafts of the two pick-and-place claw drive steering gears;

The connecting beam of the trolley is provided with two elongated pick-and-place plate through holes corresponding to the two pick-and-place plates, and the pick-and-place plate enters the pick-and-place plate under the drive of the pick-and-place drive assembly and the bearing platform drive assembly. After the placement plate passes through the hole, the pickup and placement claw drives the steering gear to drive the pickup and placement plate to rotate, so that the pickup and placement plate is clamped on the trolley connecting beam.

The beneficial effects produced by the above technical solutions are:

The cross-belt trolley mechanism of the present invention is detachably arranged on the chain plate used for the chain plate conveying assembly, and its two sides are laterally limited by the trolley lateral limit plates or limit blocks. The block moves up and down with the sliding of the support beam. When several limit blocks descend to the lower part of the support beam, the cross-belt trolley mechanism corresponding to the lower part of the support beam is in a horizontal infinite state. At this time, it can be replaced by the trolleys on both sides of the trolley replacement section. The device removes or replaces the trolley laterally.

The support beam of the present invention moves with the movement of the support seat of the replacement device, so that the support beam has the same speed as the transmission direction of the cross-belt trolley mechanism, so that the two trolley replacement devices and the cross-belt trolley mechanism are relatively stationary in the transmission direction, and the precise and rapid The replacement of the cross-belt trolley mechanism is completed, and the replacement of the cross-belt trolley mechanism is completed while the system does not stop running.

Description of drawings

FIG. 1 is a schematic structural diagram of a linear conveying part and a trolley replacement device according to an embodiment of the present invention.

FIG. 2 is a side view of FIG. 1 .

FIG. 3 is a front view of FIG. 1 .

FIG. 4 is a schematic structural diagram of a linear conveying part according to an embodiment of the present invention.

FIG. 5 is a schematic structural diagram of FIG. 4 from another angle.

FIG. 6 is a schematic structural diagram of a support beam according to an embodiment of the present invention.

7 is a schematic structural diagram of a trolley lateral limit plate, a limit plate fixing beam and a limit block according to an embodiment of the present invention.

FIG. 8 is a schematic structural diagram of a trolley pick-and-place device according to an embodiment of the present invention.

9 is a schematic structural diagram of a supporting beam, a supporting beam driving block assembly and a trolley bearing mechanism according to an embodiment of the present invention.

FIG. 10 is a schematic structural diagram of an inserting plate mechanism and a supporting beam according to an embodiment of the present invention.

FIG. 11 is a schematic cross-sectional view of the limiting block located in the fixing beam of the limiting plate according to the embodiment of the present invention.

12 is a schematic structural diagram of a cross-belt trolley mechanism according to an embodiment of the present invention.

13 is a schematic cross-sectional view of a cross-belt trolley mechanism according to an embodiment of the present invention.

FIG. 14 is a schematic view of the structure of FIG. 12 after the conveyor belt is hidden.

FIG. 15 is a schematic structural diagram of a conveyor belt drive assembly according to an embodiment of the present invention.

Among them: 100 supporting matrix; 200 driving accommodating bin;

1 Cross belt trolley mechanism; 1-0-1 trolley limit boss; 1-0-2 trolley limit block; 1-0-3 limit track; 1-1 trolley bottom plate; 1-2 trolley connecting beam; 1 -2-1 Pick-and-place plate through hole; 1-3 trolley guide wheel; 1-4 trolley side plate; 1-4-1 trolley guide column; 1-4-2 socket mounting hole; 1-4-3 drive roller avoidance Groove; 1-5 Link Plate; 1-6 Belt Support Plate; 1-7 Conveyor Belt; 1-8 Roller Support Plate; 1-9-1 Spur Gear Support Block; 1-9-2 Drive Spur Gear; 1-9 -3 Conveyor belt drive roller; 1-9-31 drive roller spur gear; 1-9-4 tension roller; 1-9-5 driven roller; 1-9-6 trolley control module; 1-9-7 trolley power supply Module; 1-9-8 Conveyor Drive Motor;

2 chain plate; 3 trolley lateral limit plate; 3-1 limit plate groove;

4 Limit plate fixing beam; 4-1 Fixing beam body; 4-2 Support beam track; 4-3 Support beam guide groove; 4-4 Limit plate fixing groove; 4-5 Limit block slot; 4-6 Spring accommodating hole; 4-7 ejection spring;

5 limit block; 5-1 limit block groove; 5-2 limit block boss;

6 Support beam; 6-1 Support beam high; 6-11 High cross plate; 6-12 High vertical plate; 6-13 Vertical plate roller; 6-2 Support beam low; 6-21 Low bottom plate; 22 Lower connecting hole; 6-3 Support beam connecting plate; 6-4 Support beam guide strip; 6-5 Support beam slope;

7 Replace the guide rail of the device; 8 Replace the support seat of the device;

9 supporting beam drive block assembly; 9-1 inclined support block; 9-2 lower connecting block;

10 Plug-in mechanism; 10-1 Plug-in cylinder support table; 10-2 Plug-in drive assembly; 10-3 Plug-in board; 10-31 Plug-in board connection board;

11 Pick and place support table; 12 Trolley carrying mechanism; 12-1 Carrying guide rail; 12-2 Carrying table; 12-3 Carrying table lug; 12-4 Carrying table drive assembly;

13 Trolley pick and place mechanism; 13-1 Pick and place drive components; 13-2 Steering gear storage bin; 13-3 Pick and place claw drive steering gear; 13-4 Pick and place plate.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the invention will be clearly and completely described below with reference to specific embodiments. The cross-belt conveying system for logistics in this embodiment is in the form of a closed loop as a whole. In this embodiment, the structure of the linear conveying part is mainly introduced in detail. With reference to the structure of the linear conveying part, professionals in the field can perfect the closed-loop overall structure. Therefore, the arc-shaped rotating part of the system will not be described in detail.

As shown in Figures 1 to 15, the linear conveying part includes a parcel conveying/sorting section, a trolley changing section and a trolley driving section. The drive accommodating bin 200, the cross-belt trolley mechanism 1 which can be laterally slidably arranged on the chain plate 2 of the chain plate conveying assembly, and the two limit plate fixing beams symmetrically arranged on the side walls of the drive accommodating bin 200 4. The chain plate conveying assembly in this embodiment includes a chain plate chain, a chain drive motor and multiple sets of sprockets, and the chain plate conveying assembly is arranged in the drive accommodating bin 200 shown in FIG. 1 and FIG. The structure is not shown in the figure).

Wherein, the limit plate fixing beam 4 of the parcel conveying/sorting section and the trolley exit section is fixed with a trolley lateral limit plate 3, and the limit plate fixing beam 4 of the trolley replacement section can be lifted and lowered with 18 18 limit blocks 5 and 18 limit blocks 5 are in turn offset, and the overall width of the 18 limit blocks 5 satisfies the replacement of the cross-belt trolley mechanism 1 at one time. Referring to Figure 5, the upper part of the trolley lateral limit plate 3 corresponds to the trolley guide wheel 1-3 Set the limit plate groove 3-1, and set the limit block groove 5-1 on the limit block 5 corresponding to the trolley guide wheel 1-3, so that the trolley guide wheels 1-3 on both sides of the transverse direction are respectively on both sides Sliding in the limit plate groove 3-1 or the limit block groove 5-1, the lateral limit of the cross-belt trolley mechanism has been realized. In this embodiment, the longitudinal length of a limit block groove 5-1 can meet the limit of the trolley guide wheel 1-3, so that the first limit block 5 from the left in FIG. 4 is in the “/”-shaped support beam When the inclined part 6-5 goes up and down, it will not affect the lateral limit of the two cross-belt trolley mechanisms 1 in front of and behind the limit block 5 . And in this embodiment, the center distance of the trolley guide wheels 1-3 of the two adjacent cross-belt trolley mechanisms 1 satisfies that the rear cross-belt trolley mechanism 1 reaches the limit block 5 (along the “\”-shaped supporting beam slope 6-5 When the raised limit block 5) is in front, the limit block 5 has been raised in place to avoid derailment of the trolley guide wheels 1-3.

Referring to FIGS. 4 , 7 and 11, a limit plate fixing slot 4-4 is provided on the limit plate fixing beam 4 for placing and fixing the lateral limit plate 3 of the trolley. The limit plate fixing beam 4 corresponds to several The limit block 5 is provided with a long limit block slot 4-5 for the limit block 5 to rise and fall. One side of the limit plate fixing beam 4 is fixed on the side wall of the drive accommodating bin 200, and the other side is provided with a support beam track 4-2. The lower end surface of the limit plate fixing beam 4 is provided with There are support beam guide grooves 4-3.

Referring to Fig. 11, the limit block 5 is a metal block in the shape of a cuboid as a whole, and its quality ensures that it can be pulled down by gravity under the influence of the friction force between the limit block slot 4-5 and the adjacent limit block 5, and it is far away from the metal block. A limit block boss 5-2 is provided on one side of the drive accommodating bin 200, and a number of spring accommodating holes 4 are provided on the limit plate fixing beam 4 at the edge of the limit block slot hole 4-5. -6, the spring accommodating holes 4-6 are arranged in a one-to-one correspondence with the limit block bosses 5-2, and the limit block bosses 5-2 are slidably arranged in the spring accommodating holes 4- 6, an ejection spring 4-7 is fixed in the spring accommodating hole 4-6 for ejecting the limiting block 5 so that it can descend rapidly under the action of its elastic force and its own weight, while avoiding mutual abutment. The limit block 5 cannot fall under its own weight due to friction and adhesion of oil stains. Referring to FIG. 7 , the lower two sides of the limit block 5 are longitudinally symmetrically provided with arc-shaped rounded corners, so that the relative sliding between the limit block 5 and the support beam 6 is smoother, and the lifting effect of the limit block 5 is improved at the same time.

As shown in Figures 1, 12, 13, 14 and 15, the cross-belt trolley mechanism 1 includes a trolley bottom plate 1-1 and two trolley connecting beams 1-1 that are symmetrically arranged on both sides of the trolley bottom plate 1-1. 2. Two trolley side plates 1-4 arranged longitudinally symmetrically on both sides of the trolley bottom plate 1-1, connecting plates 1-5 arranged on the two trolley side plates 1-4, longitudinally symmetrically arranged on the connection Two roller shaft support plates 1-8 on both sides of the plate 1-5, conveyor belt assemblies disposed on the two roller shaft support plates 1-8, and conveyor belt drive assemblies disposed on the trolley bottom plate 1-1. In this embodiment, the conveyor belt assembly includes a conveyor belt driving roller 1-9-3, two tightening rollers 1-9-4, and two driven rollers 1-9-5, which are rotatably arranged between two roller shaft support plates 1-8. And the conveyor belt 1-7, the two tightening rollers 1-9-4 are symmetrically arranged on both sides of the conveyor belt driving roller 1-9-3 and close to the conveyor belt driving roller 1-9-3, and the two tightening rollers 1-9-4 are symmetrical Set on both sides of the conveyor belt driving roller 1-9-3 and close to the end of the roller shaft support plate 1-8, the conveyor belt 1-7 is sleeved on the conveyor belt driving roller 1-9-3, and two tightening rollers 1-9-4 On the two driven rollers 1-9-5, the conveyor belt 1-7 is driven to rotate by the conveyor belt driving roller 1-9-3, so that the packages on the conveyor belt 1-7 are laterally transported out of the cross-belt trolley mechanism 1.

Referring to Figure 14 and Figure 15, the conveyor belt drive assembly includes two spur gear support seats 1-9-1 arranged on the trolley bottom plate 1-1, and a drive spur gear 1 disposed between the two spur gear support seats 1-9-1 -9-2, a conveyor belt drive motor 1-9-8 for rotating the drive spur gear 1-9-2, a trolley control module 1-9-6 and a trolley power supply module 1- 9-7, the drive cylindrical gear 1-9-2 is connected with the drive roller cylindrical gear 1-9-31 arranged in the middle of the conveyor belt drive roller 1-9-3 through a timing belt, and the trolley power module 1-9-7 is connected to the The trolley control module 1-9-6 is connected to the conveyor belt drive motor 1-9-8. The trolley control module 1-9-6 is provided with a positioning component to determine the position of each trolley and provide positioning for the trolley replacement device. This implementation In the example, a first sensor is arranged in the middle of the connecting beams 1-2 of the two trolleys, and a second sensor is arranged on one side of the steering gear accommodating bin 13-2. And the precise positioning of the trolley pick and place device (when there is a deviation, adjust the position by adjusting the speed of the support seat 8 of the replacement device).

Referring to FIG. 4 , the trolley connecting beam 1-2 is provided with a trolley guide wheel 1-3 on the side facing the limit plate fixing beam 4. When the limit block 5 is in a raised state, the limit block is concave. The groove 5-1 corresponds to the groove 3-1 of the limit plate. When the limit block 5 is in the lowered state, the upper end surface of the limit block 5 is located under the trolley bottom plate 1-1, so that the The cross-belt trolley mechanism 1 can be taken out from the chain plate 2 by the trolley pick-and-place device without interference.

The lower part of the trolley side plate 1-4 is laterally provided with a long trolley guide column 1-4-1, and the chain plate 2 is provided with a C-shaped strip in cross section corresponding to the trolley guide column 1-4-1. The limit track 1-0-3 of the cross-belt trolley mechanism 1 is slidably arranged in the trolley limit block 1-0-2 through the trolley guide column 1-4-1. Referring to Figure 12, a plate-shaped trolley limit boss 1-0-1 is provided on the chain plate 2, and two trolley limit blocks 1 are fixed on the longitudinal ends of the trolley limit boss 1-0-1 through bolt assemblies. -0-2, the limit track 1-0-3 is welded on the trolley limit block 1-0-2, and the two limit tracks 1-0-3 are symmetrically arranged, and the design of the c-shaped notch meets the limit of the cross-belt trolley mechanism 1 It can be moved up and down while ensuring that it can slide out laterally from one side. In this embodiment, the two ends of the limit rail 1-0-3 are provided with a bell-shaped chamfered structure, which is used to undertake the trolley guide column 1-4- 1 Increase the fault tolerance rate of the replacement process.

Two trolley replacement devices are symmetrically arranged on both sides of the trolley replacement section. The trolley replacement device includes: a support beam 6, a replacement device guide rail 7, a replacement device support seat 8, a support beam drive block assembly 9, a plug-in mechanism 10 and a trolley pick and place. device.

The support beam 6 shown in FIGS. 1 to 6 is slidably arranged at the lower part of the limit plate fixing beam 4, and includes two support beam heights 6-1 and a support beam arranged between the two support beam heights 6-1 In the lower part 6-2, the longitudinal length of the high part 6-1 of the support beam is longer than the width of the 18 limit blocks 5 (the drawing method of omitting the length is adopted in the drawings), and the limit blocks 5 are located in the lower part 6 of the support beam -2 is in a lowered state when it is up, and is in a raised state when the limiting block 5 is located on the high part 6-1 of the support beam, the high part 6-1 of the support beam and the low part 6-2 of the support beam pass through two symmetrical The provided support beam inclined parts 6-5 are connected, and the two support beam inclined parts 6-5 are in the shape of "\ /" as a whole and are used to assist the lifting and lowering of the limiting block 5. The length of the lower part 6-2 of the support beam in this embodiment corresponds to the width of the six limit blocks 5 (ie, the width of the trolley bottom plate 1-1 in the conveying direction).

In this embodiment, the lower part 6-2 of the supporting beam 6 of the supporting beam 6 rests on the left side in FIG. 4 when it is reset, wherein the high part 6-1 of the supporting beam on the right side of the lower part 6-2 of the supporting beam supports the 18 limit blocks 5, The support beam 6 is driven by the support beam drive block assembly 9 to slide along the limit plate fixed beam 4 at the same speed as the chain plate 2, so that the limit block 5 in the raised state passes through the “/”-shaped support beam slope. 6-5 descends, and finally falls on the lower part 6-2 of the support beam, so that the limit block 5 enters the lowered state. The inclined portion 6-5 of the supporting beam is raised to the raised state, so that the lateral limit of the rear cross-belt trolley mechanism 1 is not affected.

5 and 6, the support beam 6 further includes a support beam guide strip 6-4 and a support beam connecting plate 6-3, the support beam high part 6-1, the support beam low part 6-2 and the support beam inclined part 6-5 are all connected with the support beam connecting plate 6-3, the support beam connecting plate 6-3 is connected with the support beam guide strip 6-4, and the support beam guide strip 6-4 is slidably arranged on the support beam. Beam guide groove 4-3. The support beam high part 6-1 includes a high part cross plate 6-11 and a high part vertical plate 6-12 arranged on one side of the high part cross plate 6-11, and the high part vertical plate 6-12 faces the A plurality of vertical plate rollers 6-13 are evenly arranged on one side of the support beam track 4-2, and the vertical plate rollers 6-13 are rolled in the support beam track 4-2.

Referring to FIG. 1 , the replacement device guide rail 7 of the present embodiment is arranged on one side of the support base 100 , and the replacement device support base 8 is slidably arranged on the replacement device guide rail 7 through the running assembly. The replacement device support base 8 works with the same The feed speed of the chain plate 2 is the same. Preferably, the traveling assembly in this embodiment can be driven by a synchronous belt to realize the driving of the reciprocating displacement of the support base 8 of the replacement device.

Referring to FIG. 9, a supporting beam driving block assembly 9 is provided on the support base 8 of the replacement device, and is connected with the supporting beam 6 to drive the supporting beam 6 to slide. The supporting beam driving block assembly 9 includes a lower part A connecting block 9-2 and two inclined support blocks 9-1 symmetrically arranged on both sides of the lower connecting block 9-2, the upper end surface of the lower connecting block 9-2 is connected to the supporting beam through a bolt assembly The lower end face of the lower portion 6-2 is connected by bolt assemblies, and the upper end face of the inclined portion support block 9-1 is in contact with the lower end face of the support beam inclined portion 6-5, so that the support beam drive block assembly 9 is replaced with When the device support base 8 is displaced, the support beam 6 is driven to be displaced.

As shown in FIG. 10, the inserting plate mechanism 10 is arranged on the support base 8 of the replacement device and corresponds to the lower part 6-2 of the supporting beam, and is used to prevent the limit block 5 from descending, and the inserting plate The mechanism 10 includes a plug-in cylinder support table 10-1 provided on the replacement device support base 8, a plug-in board drive assembly 10-2 provided on the plug-in cylinder support base 10-1, and a plug-in board drive assembly 10-2 provided on the plug-in cylinder support base 10-1. The plug-in board 10-3 at the end of the output rod of the board drive assembly 10-2, the cross-section of the plug-in board 10-3 is L-shaped, and the upper end face of the transverse part of the plug-in board 10-3 is in contact with the high-section transverse board 6- The upper end faces of 11 are flush. Its vertical part is the plug board connecting plate 10-31 for connecting with the end of the output rod of the plug board driving assembly 10-2. The space between the support beam heights 6-1 is used to prevent the limit block 5 from descending when the trolley replacement device is reset. Referring to FIG. 7 , in this embodiment, the vertical length of the limit block 5 is longer than the vertical length of the trolley lateral limit plate 3, so that there is a gap between the support beam height 6-1 and the limit plate fixing beam 4, After the replacement of the cross-belt trolley mechanism 1 is completed, the plug-in board 10-3 of the plug-in board mechanism 10 can be smoothly inserted between the two support beam heights 6-1 in the trolley exit section.

The trolley pick-and-place device is arranged on the support base 8 of the replacement device, and corresponds to the lower part 6-2 of the support beam to take out or place the cross-belt trolley mechanism 1 laterally from the chain plate 2. into the chain plate 2. Referring to FIG. 2 , FIG. 3 , FIG. 8 and FIG. 9 , the trolley pick-and-place device includes a pick-and-place support platform 11 arranged on the support base 8 of the replacement device, and a trolley carrying mechanism 12 arranged on the pick-and-place support platform 11 . and a trolley pick-and-place mechanism 13 arranged on the trolley carrying mechanism 12 . The trolley bearing mechanism 12 includes a bearing guide rail 12-1 arranged on the pick-and-place support platform 11, a bearing platform 12-2 slidably arranged on the bearing guide rail 12-1, and symmetrically arranged on the bearing platform 12. -2 Two bearing platform lugs 12-3 on both sides and two bearing platform drive assemblies 12-4 symmetrically arranged on the pick-and-place support platform 11 and located on both sides of the bearing platform 12-2, the bearing platform The output rod of the drive assembly 12-4 is connected to the bearing platform lug 12-3. The trolley pick-and-place mechanism 13 includes a pick-and-place drive assembly 13-1 disposed on the carrying platform 12-2 and away from the limit plate fixing beam 4, and a pick-and-place drive assembly 13-1. The pick-and-place claw assembly at the end of the output rod; the upper end surface of the bearing platform 12-2 corresponds to the lower end of the trolley bottom plate 1-1, and the pick-and-place claw assembly is used to grab the cross-belt trolley mechanism 1 .

8, the pick-and-place claw assembly includes a steering gear accommodating bin 13-2 disposed at the end of the output rod of the pick-and-place drive assembly 13-1, and is arranged in the steering gear accommodating bin 13-2 at intervals The two pick-and-place claws drive the steering gear 13-3 and the two pick-and-place plates 13-4 are arranged on the output shafts of the two pick and place claws to drive the steering gear 13-3. The trolley connecting beam 1-2 is provided with two elongated pick-and-place board through holes 1-2-1 corresponding to the two pick-and-place boards 13-4, and the pick-and-place board 13-4 is in the pick-and-place board. After the drive assembly 13-1 and the platform drive assembly 12-4 enter the pick-and-place plate through hole 1-2-1, the pick-and-place claw drives the steering gear 13-3 to drive the pick-and-place plate 13- 4. Rotate so that the pick-and-place plate 13-4 is clamped on the trolley connection beam 1-2, and the cross-belt The trolley mechanism 1 can be taken out. Similarly, the cross-belt trolley mechanism 1 can be pushed onto the chain plate 2 from the other side.

The specific replacement process of the cross-belt trolley mechanism 1 is as follows:

One side of the trolley replacement device is pre-placed with the overhauled cross-belt trolley mechanism 1 , and the other side of the trolley replacement device is used to remove the cross-belt trolley mechanism 1 on the chain plate 2 .

When the cross-belt trolley mechanism 1 to be replaced is about to enter the trolley replacement section from the parcel conveying/sorting section, the changing device support base 8 is activated, and the support beam 6 parked under the parcel conveying/sorting section is driven by the support beam drive block assembly 9 Move down to lower the limit block 5. When the trolley connecting beam 1-2 of the cross-belt trolley mechanism 1 to be replaced is completely exposed, the trolley pick-and-place device works to take out the cross-belt trolley mechanism 1, and the trolley pick-and-place device on the other side works. At the same time, put the overhauled cross-belt trolley mechanism 1 into and retract the pick-and-place claw assembly to complete the replacement of the cross-belt trolley mechanism 1. At this time, the support beam 6 is located below the trolley drive-out section, and the insert plate 10-3 is inserted into the two supports Between the beam height parts 6-1, the support base 8 of the replacement device is reset, so that the support beam 6 is returned to the underside of the parcel conveying/sorting section, and the inserting plate 10-3 is retracted.

Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make The essence of the corresponding technical solutions deviates from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. A cross-belt transmission system for logistics, characterized in that its linear transmission part comprises a parcel conveying/sorting section, a trolley replacement section and a trolley drive-out section; The linear conveying part includes: a support base, a drive accommodating bin for carrying the chain plate conveying assembly, a cross-belt trolley mechanism that can be laterally slidably arranged on the chain plate of the chain plate conveying assembly, and a cross-belt trolley mechanism symmetrically arranged on the drive Two limit plate fixing beams on the side walls on both sides of the accommodating warehouse; wherein the limit plate fixing beams of the parcel conveying/sorting section and the trolley exit section are fixed with trolley lateral limit plates, and the trolley replacement section is fixed on the limit plate fixing beams. A number of limit blocks can be raised and lowered on the limit plate fixing beam of the trolley, and the trolley lateral limit plates and limit blocks are both used to laterally limit the cross-belt trolley mechanism; The cross-belt trolley mechanism includes a trolley bottom plate, two trolley connecting beams that are symmetrically arranged on both sides of the trolley bottom plate, two trolley side plates that are longitudinally symmetrically arranged on both sides of the trolley bottom plate, and two trolley side plates that are arranged on both sides of the trolley bottom plate. The connecting plate on the upper side, the two roller shaft support plates arranged longitudinally symmetrically on both sides of the connecting plate, the conveyor belt assembly arranged on the two roller shaft support plates, and the conveyor belt drive assembly arranged on the bottom plate of the trolley; the trolley A trolley guide wheel is provided on the side of the connecting beam facing the limit plate fixing beam, the trolley lateral limit plate is provided with a limit plate groove corresponding to the trolley guide wheel, and the limit block corresponds to the trolley guide wheel. The wheel is provided with a limit block groove; when the limit block is in a raised state, the limit block groove corresponds to the limit plate groove, and when the limit block is in a lowered state, the limit block is in a lowered state. The upper end face of the position block is located below the bottom plate of the trolley; Two trolley replacement devices are symmetrically arranged on both sides of the trolley replacement section. The trolley replacement device includes: a support beam, which is slidably arranged at the lower part of the fixing beam of the limit plate, which includes two support beam height parts and two support beam height parts. The lower part of the support beam between them, the limit block is in a lowered state when it is located on the lower part of the support beam, and the limit block is in a raised state when it is located on the high part of the support beam. The lower part of the support beam is connected by two symmetrically arranged support beam inclined parts, and the two support beam inclined parts are in the shape of "\ /" as a whole and are used to assist the lifting and lowering of the limit block; The replacement device guide rail is arranged on one side of the support base; The replacement device support base is slidably arranged on the replacement device guide rail through the running assembly; a support beam driving block assembly, arranged on the support seat of the replacement device, and connected with the support beam for driving the support beam to slide; A plug-in mechanism, the plug-in mechanism includes a plug-in cylinder support table arranged on the support base of the replacement device, a plug-in drive assembly arranged on the plug-in cylinder support base, and a plug-in drive assembly disposed on the plug-in drive assembly The plug-in board at the end of the output rod, the upper end face of the plug-in board is flush with the upper end surface of the high-section horizontal plate, and the plug-in board is inserted between the high parts of the two support beams under the drive of the plug-in board drive assembly , used to prevent the limit block from descending when the trolley replacement device is reset; A trolley pick-and-place device is arranged on the support base of the replacement device, and corresponds to the lower part of the support beam for taking out the cross-belt trolley mechanism laterally from the chain plate or placing it laterally on the chain plate . 2 . The cross-belt conveying system for logistics according to claim 1 , wherein the lower part of the side plate of the trolley is laterally provided with a trolley guide column, and the chain plate is provided with a cross-sectional shape corresponding to the trolley guide column. A C-shaped strip-shaped limit track, the cross-belt trolley mechanism is slidably arranged in the limit track through the trolley guide column. 3 . The cross-belt conveying system for logistics according to claim 1 , wherein a limit plate fixing slot is provided on the limit plate fixing beam for placing and fixing the trolley lateral limit plate, and the The fixing beam of the limit plate is provided with a long limit block slot corresponding to a plurality of the limit blocks for the limit block to lift; One side of the limit plate fixing beam is fixed on the side wall of the drive accommodating bin, and the other side is provided with a support beam track, and the lower end surface of the limit plate fixing beam is provided with a support beam guide groove. 4. a kind of cross-belt conveying system for logistics according to claim 3, is characterized in that: The limit block is in the shape of a cuboid as a whole, and a limit block boss is arranged on its side. The limit plate fixing beam is provided with a number of spring accommodating holes at the edge of the limit block slot hole. The setting holes are arranged in a one-to-one correspondence with the limit block bosses, the limit block bosses can be slidably arranged in the spring accommodating holes, and an ejector spring is fixed in the spring accommodating holes for ejecting out of the limit block to make it descend quickly. 5. a kind of cross-belt conveying system for logistics according to claim 3, is characterized in that: The supporting beam further comprises a supporting beam guide strip and a supporting beam connecting plate, the high part of the supporting beam, the lower part of the supporting beam and the inclined part of the supporting beam are all connected with the supporting beam connecting plate, and the supporting beam connecting plate is guided with the supporting beam bar connection, the support beam guide bar is slidably arranged in the support beam guide groove; The high part of the support beam includes a high part cross plate and a high part vertical plate arranged on one side of the high part cross plate, and a plurality of vertical plate rollers are evenly arranged on the side of the high part vertical plate facing the support beam track, The vertical plate rollers are rolled in the support beam track. 6 . The cross-belt conveying system for logistics according to claim 1 , wherein the supporting beam driving block assembly comprises a lower connecting block and two inclined parts symmetrically arranged on both sides of the lower connecting block. 7 . A support block, the upper end surface of the lower part connecting block is connected with the lower end surface of the lower part of the support beam through a bolt assembly, and the upper end surface of the inclined part support block is abutted against the lower end surface of the inclined part of the support beam. 7 . The cross-belt conveying system for logistics according to claim 1 , wherein the trolley pick-and-place device comprises a pick-and-place support table arranged on the support seat of the replacement device, and a pick-and-place support table arranged on the pick-and-place device. 8 . a trolley bearing mechanism on the support platform and a trolley pick-and-place mechanism arranged on the trolley bearing mechanism; The trolley bearing mechanism includes a bearing guide rail arranged on the pick-and-place support platform, a bearing platform slidably arranged on the bearing guide rail, two bearing platform lugs symmetrically arranged on both sides of the bearing platform, and a bearing platform symmetrically arranged on both sides of the bearing platform. Two carrying platform drive assemblies on the pick and place support platform located on both sides of the carrying platform, the output rods of the carrying platform drive assemblies are connected with the bearing platform lugs; The trolley pick-and-place mechanism includes a pick-and-place drive assembly disposed on the bearing platform and away from the side of the limit plate fixing beam, and a pick-and-place claw assembly disposed at the end of the output rod of the pick-and-place drive assembly; The upper end surface of the carrying platform corresponds to the lower end surface of the trolley bottom plate, and the pick-and-place claw assembly is used to grab the cross-belt trolley mechanism. 8 . The cross-belt conveying system for logistics according to claim 7 , wherein the pick-and-place claw assembly comprises a steering gear accommodating bin arranged at the end of the output rod of the pick-and-place drive assembly, and is arranged at intervals in 8. 9 . The two pick-and-place claws in the steering gear accommodating bin drive the steering gear and the two pick-and-place plates arranged on the output shafts of the two pick-and-place claws to drive the steering gear; The connecting beam of the trolley is provided with two elongated pick-and-place plate through holes corresponding to the two pick-and-place plates, and the pick-and-place plate enters the pick-and-place plate under the drive of the pick-and-place drive assembly and the bearing platform drive assembly. After the placement plate passes through the hole, the pickup and placement claw drives the steering gear to drive the pickup and placement plate to rotate, so that the pickup and placement plate is clamped on the trolley connecting beam.

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