CN220745272U

CN220745272U - Pallet connection device

Info

Publication number: CN220745272U
Application number: CN202321612228.7U
Authority: CN
Inventors: 王凤芹; 曹冲振; 梁福兴; 胡顺宇; 孙超
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2024-04-09
Anticipated expiration: 2033-06-25

Abstract

The utility model relates to the technical field of connection equipment, and provides a tray connection device which comprises a connection conveying mechanism, a tray conveying mechanism and a tray conveying mechanism, wherein the tray conveying mechanism is provided with two parallel support frame plates; the supporting frame plate is provided with a conveying chain; the synchronous transmission mechanism is connected with the two transmission chains; the connection carrying mechanism comprises a carrier which is arranged between the two support frame plates; the carrier can reciprocate along the conveying direction of the connection conveying mechanism; the carrier is provided with a chassis and an objective table, and a lifting assembly is connected between the chassis and the objective table; one end of the objective table is connected with a fork; the chassis is fixedly provided with a walking motor for driving the chassis to advance or retreat. Therefore, the utility model is embedded and arranged in the connection conveying mechanism through the carrier, the whole occupied area is small, and the utility model is suitable for compact arrangement scenes of conveying lines. The goods are loaded and unloaded through the lifting of the carrier, the use scene of the AGV is expanded, and the AGV is an important component of intelligent logistics.

Description

Pallet connection device

Technical Field

The utility model belongs to the technical field of connection equipment, and particularly relates to a tray connection device.

Background

The connection of conveying line tray goods is an indispensable link in storage logistics. At present, the mature connection mode is that the tray is taken away by the manual forklift at the tail end of the conveying line. When the cargo conveying capacity is large, the turnover requirement can be met only by multi-person and multi-vehicle operation, the operation efficiency is low, and the labor and equipment cost is high. Moreover, the manual forklift has large volume and large turning radius, and a large turning space is required no matter the side of the conveying line is used for taking goods or the extending line direction of the tail end of the conveying line is used for taking goods. The conveyor line is required to leave enough operation space for the forklift when being laid, and the utilization rate of the workshop area is reduced.

In recent years, the use of AGVs has increased the level of automation of warehouse logistics. The hidden AGV disclosed in the Chinese patent CN214734185U gradually replaces the manual forklift due to the characteristics of small turning radius, low gravity center, flexible action and the like, and improves the intelligent degree of warehouse logistics.

Although the use of the AGV can effectively save the rotation space, the AGV has the defect of limited lifting height due to the limitation of the structural characteristics and the working principle of the AGV, so that the AGV cannot be abutted to a conveying line with the height exceeding the lifting limit of the AGV. The AGV is difficult to directly take off or place the tray from the conveying line, and the use scene of the AGV is limited.

In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.

Disclosure of Invention

Aiming at the defects, the utility model is embedded and arranged in the connection conveying mechanism through the connection conveying mechanism, has small overall occupied area and is suitable for compact arrangement scenes of conveying lines. The goods are loaded and unloaded through the lifting of the carrier, the use scene of the AGV is expanded, and the AGV is an important component of intelligent logistics.

In order to solve the problems, the utility model provides a tray connection device, which comprises a connection conveying mechanism, a tray connection device and a tray connection device, wherein the connection conveying mechanism is provided with two parallel support frame plates; the support frame plate is provided with a conveying chain; the connection conveying mechanism is also provided with a synchronous transmission mechanism which is respectively connected with the transmission chains of the two support frame plates;

the connection carrying mechanism comprises a carrier, wherein the carrier is arranged between two support frame plates; the carrier can reciprocate along the conveying direction of the connection conveying mechanism; the carrier is provided with a chassis and an objective table, and a lifting assembly is connected between the chassis and the objective table; one end of the objective table is connected with a fork; the chassis is fixedly provided with a walking motor for driving the chassis to advance or retreat.

According to the tray connection device, the two ends of the support frame plate are respectively provided with the steering chain wheels; the two ends of the supporting frame plate are in an open state, and the top of the supporting frame plate is of a flat plate structure; the conveying chain is circularly wrapped on the two steering chain wheels to form a conveying chain layer positioned on the upper side of the flat plate structure and a return chain layer positioned on the lower side of the flat plate structure.

According to the pallet connection device, the flat plate structure of the supporting frame plate is provided with the chain guide rail, and the chain guide rail is provided with the limit raised strips; the limit convex strips are embedded into a groove-shaped area between two chain plates of the conveying chain.

According to the tray connection device, the synchronous transmission mechanism comprises a driving rotating shaft horizontally arranged between two support frame plates; drive chain wheels connected with the transmission chains on the corresponding sides are respectively sleeved at two ends of the drive rotating shaft; the driving rotating shaft is in transmission connection with the conveying motor.

According to the pallet connection device, the tensioning chain wheel is further arranged on the supporting frame plate, and the conveying chain is sequentially connected with the driving chain wheel, the tensioning chain wheel and the two steering chain wheels in series.

According to the pallet docking device, the lifting assembly comprises a first supporting frame and a second supporting frame which are arranged between the chassis and the objective table; the first support frame and the second support frame are arranged in a crossing way, and the joint parts of the first support frame and the second support frame are in rotary connection;

one end of the first supporting frame is rotatably connected to the chassis, and the other end of the first supporting frame is provided with a first pulley; the pulley is in rolling fit with the objective table; one end of the second supporting frame is rotatably connected to the objective table, and the other end of the second supporting frame is provided with a second pulley; the second pulley is in rolling abutting connection with the chassis; the chassis is also provided with a lifting electric cylinder for driving the second pulley to reciprocate on the chassis; the number of the second pulleys of the second supporting frame is two, the two second pulleys are rotatably sleeved with a connecting shaft, and the connecting shaft is connected with the lifting electric cylinder.

According to the tray connection device, the position where the first support frame is rotationally connected with the chassis and the position where the second support frame is rotationally connected with the objective table are both close to one end of the fork; the object stage is also provided with a first pulley groove, and the first pulley is positioned in the first pulley groove; the chassis is provided with a second pulley groove, and the second pulley is positioned in the second pulley groove.

According to the tray connection device, the connection carrying mechanism is further provided with two parallel guide rails, and the two guide rails are symmetrically arranged on two sides of the carrier; the guide rail is provided with a guide groove, and the opening of the guide groove faces to the horizontal direction; each side surface of the chassis is provided with two travelling wheels; the travelling wheels are positioned in the guide grooves of the guide rails at the corresponding sides.

According to the tray connection device, the two sides of the chassis are respectively provided with the guide wheels; the guide wheels are horizontally arranged and are abutted against the inner wall of the guide groove.

According to the pallet connection device, two travelling wheels close to one end of a pallet fork are connected with a travelling transmission shaft; the walking transmission shaft is connected with a speed reducer, and the speed reducer is connected with a walking motor.

In conclusion, the conveying mechanism is embedded and arranged in the connecting conveying mechanism, the whole occupied area is small, and the conveying mechanism is suitable for compact arrangement scenes of conveying lines. The goods are loaded and unloaded through the lifting of the carrier, the use scene of the AGV is expanded, and the AGV is an important component of intelligent logistics.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the docking and delivery mechanism of FIG. 1;

FIG. 3 is a schematic view of the structure of the area A in FIG. 2;

FIG. 4 is a schematic view of the structure in the direction B in FIG. 3;

FIG. 5 is a schematic view of the structure of the region C in FIG. 4;

FIG. 6 is a schematic view of the docking and handling mechanism of FIG. 1;

FIG. 7 is a schematic view of the truck of FIG. 6;

FIG. 8 is a schematic view of the internal structure of the truck of FIG. 7;

FIG. 9 is a schematic diagram showing a state of the cargo on-line operation of the present utility model;

FIG. 10 is a schematic diagram showing a state of the cargo on-line operation according to the present utility model;

FIG. 11 is a schematic view showing a state of the cargo on-line operation of the present utility model;

FIG. 12 is a schematic view showing a state of the cargo on-line operation of the present utility model;

FIG. 13 is a schematic view showing a state of the cargo on-line operation of the present utility model;

in the figure: 1-supporting frame plates, 11-conveying chains, 12-conveying motors, 13-steering chain wheels, 14-chain wheel baffles, 15-driving chain wheels, 16-driving rotating shafts, 17-tensioning chain wheels, 18-chain guide rails and 181-limit protruding strips; 2-chassis, 21-objective table, 22-fork, 23-first pulley, 231-second pulley, 232-stop bar, 233-connecting shaft; 24-a first supporting frame, 25-a second supporting frame, 26-travelling wheels, 261-a travelling motor, 262-a speed reducer and 263-a travelling transmission shaft; 27-lifting electric cylinders, 28-guide wheels and 29-limit posts; 3-guide rail, 100-tray, 200-conveying mechanism that refutes, 300-transport mechanism that refutes, 400-AGV car.

Detailed Description

Referring to fig. 1, the utility model provides a pallet docking device, which comprises a docking conveying mechanism 200 and a docking carrying mechanism 300;

referring to fig. 2, the docking and delivery mechanism 200 has two parallel support shelves 1; the support frame plate 1 is provided with a conveying chain 11; the connection conveying mechanism 200 is also provided with synchronous transmission mechanisms which are respectively connected with the conveying chains 11 of the two support frame plates 1, and the synchronous transmission mechanisms are connected with the conveying motors 12;

the pallet 100 is placed on the docking and conveying mechanism 200 with its bottom pressed against the conveyor chain 11; the conveyor chains 11 of the two support frames 1 rotate synchronously to realize the conveyance of the tray 100.

Referring to fig. 3, both ends of the support frame plate 1 are respectively provided with a steering sprocket 13; referring to fig. 4 again, two ends of the supporting frame plate 1 are in an open state, and the top is in a flat plate structure; the conveying chain 11 is circularly wrapped on the two steering chain wheels 13 to form a conveying chain layer positioned on the upper side of the flat plate structure and a return chain layer positioned on the lower side of the flat plate structure;

after the tray 100 is placed, the conveyor chain is laminated to the flat structure, bearing its weight, enabling smooth transport of the tray 100.

According to different specifications of the conveying tray 100 and different weights of goods, a plurality of conveying chains 11 are arranged on the supporting frame plate 1, and the conveying chains 11 are arranged in parallel; specifically, the number of the conveying chains 11 on each supporting frame plate 1 is two, so that the conveying is stable and the bearing capacity is high. Those skilled in the art can also adaptively arrange 3-5 strips according to actual needs.

Preferably, the two ends of the supporting frame plate 1 are fixedly connected with chain wheel baffles 14 respectively; the steering chain wheel 13 is rotatably arranged on the chain wheel baffle 14; further, a plurality of support legs are arranged at the bottom of the support frame plate 1; each supporting leg is fixed on the ground through an anchor bolt; the support frame plate 1 has higher strength and can bear conveyed goods; and the device has high rigidity, does not deform during operation, and keeps the parallelism of the two support frame plates 1.

As an embodiment, the synchronous transmission mechanism of the present utility model includes a driving rotation shaft 16 horizontally disposed between two support frame plates 1; drive chain wheels 15 connected with the corresponding side of the transmission chain 11 are respectively sleeved at two ends of the drive rotating shaft 16; the driving rotating shaft 16 is in transmission connection with the conveying motor 12; specifically, the drive shaft 16 of the present utility model is connected to the conveyor motor 12 by means of a chain drive.

Preferably, the supporting frame plate 1 is also provided with a tensioning chain wheel 17, and the conveying chain 11 is sequentially connected with a driving chain wheel 15, the tensioning chain wheel 17 and two steering chain wheels 13 in series; the installation and the debugging of the conveying chain 11 are convenient, and the slipping phenomenon of the conveying chain 11 in the running process is avoided.

As a preferred option, the conveyor chain 11 is prevented from sliding off the support frame plate 1 during the conveying process by a lateral force component. Referring to fig. 5, a flat plate structure of the support frame plate 1 is provided with a chain guide rail 18, and the chain guide rail 18 is provided with a limit convex strip 181; the limit convex strips 181 are embedded into a groove-shaped area between two chain plates of the conveying chain 11; when the conveying chain 11 receives the transverse component force, the limiting convex strips 181 are contacted with the chain plates, so that the conveying chain 11 is prevented from sliding sideways.

The connection carrying mechanism 300 comprises a carrier vehicle, wherein the carrier vehicle is arranged between two support frame plates 1; the carrier is capable of reciprocating along the conveying direction of the docking and conveying mechanism 200; referring to fig. 6, the carrier comprises a chassis 2 and a stage 21, and a lifting assembly is connected between the chassis 2 and the stage 21; one end of the objective table 21 is connected with a fork 22; a traveling motor 261 for driving the chassis 2 to advance or retreat is fixedly arranged on the chassis 2;

the lifting assembly may drive the stage 21 up or down.

The following examples illustrate the working principles of the present utility model, and practical application scenarios include, but are not limited to, the examples listed.

One end of the docking and conveying mechanism 200 of the present utility model interfaces with a conveyor line and the other end interfaces with a transfer device to deliver goods, such as the latent AGVs listed in the background art. The transported goods are placed on the pallet 100.

Pick up goods from the AGV 400 and transfer them to the transport line:

s1, referring to FIG. 9, an AGV 400 sends a pallet 100 and cargoes to one end of a docking and conveying mechanism 200; the carrier stage 21 drops down and advances until the forks enter the middle holes of the pallet 100;

s2, referring to FIG. 10, the object stage 21 is lifted, and the pallet 100 is lifted by the fork;

s3, referring to FIG. 11, the carrier is retracted one cargo space distance, and the pallet 100 is placed on the docking and conveying mechanism 200;

s4, referring to FIG. 12, the carrier is retreated by one cargo space again to enable the fork to be completely separated from the tray 100;

s5, referring to FIG. 13, the object table 21 falls down again, avoiding the tray 100, and being ready for the next pick-up; the transfer chain 11 of the docking and conveying mechanism 200 operates to transfer the pallet 100 to the other end and finally to the conveying line, thereby completing the receiving process.

While the step S4 is performed, the carrier can advance to finish the operation of the step S1; after the step S4 is completed, the step S2 is immediately carried out; and the receiving efficiency is improved.

Unloading the goods on the conveying line:

s1, delivering cargoes on a conveying line to one end of a connection conveying mechanism 200, and conveying a tray 100 to the other end by action of a conveying chain 11; in this process, the stage 21 of the carrier is in a dropped state, avoiding the tray 100;

s2, lifting the object stage 21, advancing the carrier by a distance of one cargo space, enabling the fork to enter the middle hole of the tray 100, and enabling the fork to lift the tray 100 out of contact with the conveying chain 11;

s3, the carrier advances one cargo space distance again, and the tray 100 completely leaves the docking and conveying mechanism 200;

s4, the objective table 21 falls down, and the tray 100 is placed on the ground or directly placed on the AGV 400; completing unloading operation;

s5, the carrier retreats to the initial position and waits for the next unloading cycle.

At step S4 of the previous cycle, S1 of the next cycle may be started synchronously; and at the step S5 of the previous cycle, the conveying chain 11 of the next cycle S1 synchronously conveys the tray 100, thereby improving the working efficiency.

The connection carrying mechanism 300 is embedded in the connection conveying mechanism 200, has small overall size and is suitable for a compact arrangement scene of a conveying line. The goods are loaded and unloaded through the lifting of the carrier, the use scene of the AGV is expanded, and the AGV is an important component of intelligent logistics.

As one embodiment, the lift assembly of the present utility model includes a first support frame 24 and a second support frame 25 provided between the chassis 2 and the stage 21; referring to fig. 7, the first support frame 24 and the second support frame 25 are disposed to intersect, and the joint therebetween is in rotational connection;

referring to fig. 8, one end of the first supporting frame 24 is rotatably connected to the chassis 2, and the other end is provided with a first pulley 23; the pulley 23 is in rolling fit with the objective table 21; one end of the second supporting frame 25 is rotatably connected to the objective table 21, and the other end is provided with a second pulley 231; the second pulley 231 is in rolling contact with the chassis 2; the chassis 2 is also provided with a lifting electric cylinder 27 for driving the second pulley 231 to reciprocate on the chassis 2;

more preferably, the number of the second pulleys 231 of the second supporting frame 25 is two, the two second pulleys 231 are rotatably sleeved with a connecting shaft 233, and the connecting shaft 233 is connected with the lifting electric cylinder 27; the lifting cylinder 27 extends out, and the objective table 21 falls; the lift cylinder 27 is retracted and the stage 21 is raised.

Preferably, a stop bar 232 is further provided on the chassis 2 to limit the recovery movement distance of the second pulley 231, thereby limiting the maximum lifting height of the stage 21.

As a preferred solution, the position where the first support frame 24 is rotatably connected to the chassis 2 and the position where the second support frame 25 is rotatably connected to the stage 21 are both close to one end of the fork 22; the objective table 21 is also provided with a first pulley groove, and the first pulley 23 is positioned in the first pulley groove; a second pulley groove is formed in the chassis 2, and the second pulley 231 is positioned in the second pulley groove; the first pulley groove and the second pulley groove restrict the movement of the first pulley 23 and the second pulley 231 in the vertical direction, respectively, so that the stage 21 is not pushed over when the pallet fork 22 lifts the pallet 100.

As an embodiment, two travelling wheels 26 are provided on each side of the chassis 2; two travelling wheels 26 near one end of the fork 22 are connected with a travelling transmission shaft 263; the traveling transmission shaft 263 is connected with a speed reducer 262, and the speed reducer 262 is connected with a traveling motor 261;

as a preferable scheme, the docking and carrying mechanism 300 of the utility model is also provided with two parallel guide rails 3, and the two guide rails 3 are symmetrically arranged at two sides of the carrier; the guide rail 3 is provided with a guide groove, and the opening of the guide groove faces the horizontal direction; the travelling wheels 26 of the carrier are positioned in the guide grooves of the guide rail 3 on the corresponding side; when the fork 22 picks up goods, the guide way can prevent the rear travelling wheel 26 of the carrier from tilting, and the balance overturning force is utilized by the cooperation of the travelling wheel 26 and the guide way, so that a counterweight structure is not required to be arranged on the carrier, the material is saved, and the whole volume of the carrier is also reduced.

Preferably, guide wheels 28 are respectively arranged on two sides of the chassis 2; the guide wheels 28 are horizontally arranged and abutted against the inner wall of the guide groove, so that the direction deviation in the reciprocating movement process of the carrier is avoided, and the movement track of the carrier is ensured to be consistent with the conveying direction of the connection conveying mechanism 200.

Further, a vertically arranged limiting column 29 is arranged on the chassis 2 to limit the lowest falling height of the objective table 21.

In summary, the tray connection device provided by the utility model is embedded in the connection conveying mechanism through the connection conveying mechanism, so that the overall occupied area is small, and the tray connection device is suitable for a compact arrangement scene of a conveying line. The goods are loaded and unloaded through the lifting of the carrier, the use scene of the AGV is expanded, and the AGV is an important component of intelligent logistics.

Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The tray plugging device is characterized by comprising

The connection conveying mechanism is provided with two parallel support frame plates; the support frame plate is provided with a conveying chain; the connection conveying mechanism is also provided with a synchronous transmission mechanism which is respectively connected with the transmission chains of the two support frame plates;

2. The pallet docking apparatus of claim 1, wherein both ends of the support frame plate are respectively provided with steering sprockets; the two ends of the supporting frame plate are in an open state, and the top of the supporting frame plate is of a flat plate structure; the conveying chain is circularly wrapped on the two steering chain wheels to form a conveying chain layer positioned on the upper side of the flat plate structure and a return chain layer positioned on the lower side of the flat plate structure.

3. The pallet docking device according to claim 2, wherein a chain guide rail is arranged on the flat plate structure of the supporting frame plate, and a limit protruding strip is arranged on the chain guide rail; the limit convex strips are embedded into a groove-shaped area between two chain plates of the conveying chain.

4. The pallet jack of claim 2 wherein said synchronous drive mechanism includes a drive shaft horizontally disposed between two support frames; drive chain wheels connected with the transmission chains on the corresponding sides are respectively sleeved at two ends of the drive rotating shaft; the driving rotating shaft is in transmission connection with the conveying motor.

5. The pallet docking device according to claim 4, wherein a tensioning sprocket is further arranged on the supporting frame plate, and the conveying chain is sequentially connected with the driving sprocket, the tensioning sprocket and the two steering sprockets in series; the bottom of the supporting frame plate is provided with a plurality of supporting legs; each supporting leg is fixed on the ground through an anchor bolt.

6. The pallet docking apparatus of claim 1, wherein the lifting assembly comprises a first support frame and a second support frame disposed between the chassis and the stage; the first support frame and the second support frame are arranged in a crossing way, and the joint parts of the first support frame and the second support frame are in rotary connection;

7. The pallet docking apparatus of claim 6, wherein the first support frame is rotatably coupled to the chassis and the second support frame is rotatably coupled to the stage near one end of the fork; the object stage is also provided with a first pulley groove, and the first pulley is positioned in the first pulley groove; the chassis is provided with a second pulley groove, and the second pulley is positioned in the second pulley groove.

8. The pallet docking device according to any one of claims 1 to 7, wherein the docking and carrying mechanism further comprises two parallel guide rails, and the two guide rails are symmetrically arranged on two sides of the carrier; the guide rail is provided with a guide groove, and the opening of the guide groove faces to the horizontal direction; each side surface of the chassis is provided with two travelling wheels; the travelling wheels are positioned in the guide grooves of the guide rails at the corresponding sides.

9. The pallet docking device of claim 8, wherein guide wheels are respectively arranged on two sides of the chassis; the guide wheels are horizontally arranged and are abutted against the inner wall of the guide groove.

10. The pallet docking device of claim 8, wherein two traveling wheels near one end of the fork are connected to a traveling drive shaft; the walking transmission shaft is connected with a speed reducer, and the speed reducer is connected with a walking motor.