CN110759284A

CN110759284A - Intelligent logistics robot with buffering function

Info

Publication number: CN110759284A
Application number: CN201910986299.5A
Authority: CN
Inventors: 包萨如拉
Original assignee: 包萨如拉
Current assignee: ZHENGZHOU YUEDA TECHNOLOGY EQUIPMENT CO.,LTD.
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-02-07
Anticipated expiration: 2039-10-17
Also published as: CN110759284B

Abstract

The invention relates to an intelligent logistics robot with a buffering function, which comprises a base, a lifting mechanism, a buffering mechanism and a plurality of rollers, wherein the lifting mechanism comprises a first motor, a screw rod, a sleeve, a cross rod, a limiting assembly and two lifting units, the buffering mechanism comprises a supporting plate, a bottom plate, a fixing assembly, two sliding units and a plurality of springs, the intelligent logistics robot with the buffering function achieves the function of rapidly taking goods from a high place through the lifting mechanism, the operation is more flexible, the efficiency is higher, in addition, the impact force applied to downward movement of the goods is relieved through the buffering mechanism, the goods are prevented from being damaged due to collision, the position of the base is fixed through the fixing assembly during goods taking, the safety and the stability during goods taking are improved, and the practicability is improved.

Description

Intelligent logistics robot with buffering function

Technical Field

The invention relates to the field of intelligent logistics, in particular to an intelligent logistics robot with a buffering function.

Background

The intelligent logistics is realized by using an integrated intelligent technology, so that a logistics system can simulate the intelligence of people and has the capabilities of thinking, sensing, learning, reasoning and judging and automatically solving certain problems in the logistics. The future development of intelligent logistics will embody four characteristics: intelligentized, integrated, layered, flexible and socialized; intelligentizing a large number of operations and decisions in the logistics operation process; the logistics management is taken as a core, and the integration of links such as transportation, storage, packaging, loading and unloading in the logistics process and the layering of an intelligent logistics system are realized; the development of intelligent logistics can highlight the concept of 'centering on customers', and the production process can be flexibly adjusted according to the change of the requirements of consumers; the development of intelligent logistics can promote the development of regional economy and the optimal allocation of world resources, and realize socialization. And the logistics robot is an application of intelligent logistics.

Current logistics robot when taking off the object of eminence, is difficult to compromise the speed and the stationarity of getting a, leads to easily getting the efficiency of a transportation and reduces, or throws down article directly from the eminence and cause certain damage, moreover, current logistics robot is wheeled mostly, grabs the ground performance not good, can lead to the position to take place the skew because of the atress is uneven when getting goods, has reduced the practicality.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the intelligent logistics robot with the buffering function is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: an intelligent logistics robot with a buffering function comprises a base, a lifting mechanism, a buffering mechanism and a plurality of rollers, wherein the buffering mechanism is arranged above the base through the lifting mechanism, the rollers are connected with the lower portion of the base, a processor is arranged on the base, an antenna and a PLC are arranged in the processor, and the antenna is electrically connected with the PLC;

the lifting mechanism comprises a first motor, a screw rod, a sleeve, a cross rod, a limiting assembly and two lifting units, the first motor is fixed on one side above the base, the limiting assembly is positioned on the other side above the base, the first motor is in transmission connection with the screw rod, the screw rod and the sleeve are both vertically arranged, the sleeve is sleeved on the screw rod, a thread matched with the screw rod is arranged at the joint of the sleeve and the screw rod, the sleeve is connected with the limiting assembly through the cross rod, the two lifting units are respectively positioned at the top end of the sleeve and above the limiting assembly, and the first motor is electrically connected with the PLC;

buffer gear includes backup pad, bottom plate, fixed subassembly, two slip units and a plurality of spring, and two lift units are connected with the both sides of backup pad respectively, the bottom plate passes through the spring to be connected with the below of backup pad, and two slip units are located the both sides of bottom plate respectively, the backup pad is connected with the slip unit, the top of base is equipped with the notch, the notch matches with the bottom plate, the below of notch is equipped with the through-hole, fixed subassembly includes inserted bar, fixed block and two magnet, the vertical setting of inserted bar is in the through-hole, and in two magnet, one of them magnet is fixed on the top of inserted bar, and another magnet is fixed in the center department of the below of bottom plate, and the magnetism of two magnet is opposite, the bottom at the inserted bar is fixed.

Preferably, in order to restrict the direction that the sleeve pipe removed, spacing subassembly includes gag lever post, spacing ring and bracing piece, the gag lever post is fixed in the one side of keeping away from first motor of the top of base, the spacing ring cover is established on the gag lever post, the bracing piece is vertical to be fixed on the spacing ring, the sheathed tube one end and the gag lever post fixed connection of keeping away from of horizontal pole.

Preferably, in order to limit the moving distance of the limiting ring, a fixing ring is arranged at the top end of the limiting rod, and the supporting rod penetrates through the fixing ring.

Preferably, in order to realize the function of quickly taking goods, the lifting unit comprises a second motor, a wire coil and a cable rope, the two motors are respectively fixed at the top end of the sleeve and the top end of the supporting rod, the second motor is in transmission connection with the wire coil, one end of the cable rope is wound on the wire coil, the other end of the cable rope is fixed on the supporting plate, and the second motor is electrically connected with the PLC.

Preferably, in order to detect the height of the support plate, a distance sensor is arranged at one end of the support plate, and the distance sensor is electrically connected with the PLC.

Preferably, in order to limit the moving direction of the supporting plate, the sliding unit comprises a sliding groove and a sliding block, the sliding block is fixed on the supporting plate, the sliding groove is vertically arranged, the bottom end of the sliding groove is fixed on the bottom plate, and the sliding block is connected with the sliding groove in a sliding mode.

Preferably, in order to reduce the friction force applied to the slider, the sliding groove is internally coated with lubricating oil.

Preferably, the recess is shaped as a conical cylinder in order to facilitate the fall of the base plate into the recess.

Preferably, the first motor is a servo motor in order to increase the driving force of the first motor.

Preferably, in order to improve the grip performance of the fixing block, the fixing block is made of rubber.

The intelligent logistics robot with the buffering function has the advantages that the intelligent logistics robot with the buffering function achieves the function of rapidly taking goods from a high place through the lifting mechanism, compared with the existing lifting mechanism, the lifting mechanism can be retracted, the operation is more flexible, the efficiency is higher, in addition, the impact force on downward movement of goods is relieved through the buffering mechanism, the goods are prevented from being damaged due to collision, the position of the base is fixed through the fixing component during goods taking, and compared with the existing buffering mechanism, the buffering mechanism improves the safety and stability during goods taking, and therefore the practicability is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural diagram of an intelligent logistics robot with a buffering function according to the invention;

fig. 2 is a schematic structural diagram of a lifting mechanism of the intelligent logistics robot with the buffering function, provided by the invention;

fig. 3 is a schematic structural diagram of a buffer mechanism of the intelligent logistics robot with a buffer function of the invention;

fig. 4 is a schematic structural diagram of a fixing assembly of the intelligent logistics robot with the buffering function of the invention;

in the figure: 1. the device comprises a base, 2 rollers, 3 a first motor, 4 lead screws, 5 sleeves, 6 cross rods, 7 supporting plates, 8 bottom plates, 9 springs, 10 inserting rods, 11 fixing blocks, 12 magnets, 13 limiting rods, 14 limiting rings, 15 supporting rods, 16 fixing rings, 17 second motors, 18 wire coils, 19 cables, 20 distance sensors, 21 chutes, 22 sliders and 23 processors.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, an intelligent logistics robot with a buffering function comprises a base 1, a lifting mechanism, a buffering mechanism and a plurality of rollers 2, wherein the buffering mechanism is arranged above the base 1 through the lifting mechanism, the rollers 2 are connected with the lower part of the base 1, a processor is arranged on the base 1, an antenna and a PLC are arranged in the processor, and the antenna is electrically connected with the PLC;

a PLC, i.e., a programmable logic controller, which employs a programmable memory for storing therein a program, executing instructions for user-oriented operations such as logic operation, sequence control, timing, counting, and arithmetic operation, and controlling various types of machines or production processes through digital or analog input/output, is essentially a computer dedicated for industrial control, has a hardware structure substantially the same as that of a microcomputer, and is generally used for data processing and instruction reception and output for realizing central control.

In fact, gyro wheel 2 is by motor drive, the motor is connected with the PLC electricity, and the user gives an instruction, and the antenna reception comes from the signal of user side to give PLC, PLC receives signal back control motor drive gyro wheel 2 and rotates, makes the robot remove, and elevating system rises buffer gear to the eminence, is convenient for receive the article of eminence, and then gravity drives article and buffer gear whereabouts rapidly, and the speed of controlling article whereabouts slows down gradually behind buffer gear contact base 1 to prevent that article from dropping the huge impact force that produces and causing the damage to article itself.

As shown in fig. 2, the lifting mechanism includes a first motor 3, a screw rod 4, a sleeve 5, a cross rod 6, a limiting assembly and two lifting units, the first motor 3 is fixed on one side above the base 1, the limiting assembly is located on the other side above the base 1, the first motor 3 is in transmission connection with the screw rod 4, the screw rod 4 and the sleeve 5 are both vertically arranged, the sleeve 5 is sleeved on the screw rod 4, a connection part of the sleeve 5 and the screw rod 4 is provided with a thread matched with the screw rod 4, the sleeve 5 is connected with the limiting assembly through the cross rod 6, the two lifting units are respectively located at the top end of the sleeve 5 and above the limiting assembly, and the first motor 3 is electrically connected with the PLC;

PLC controls first motor 3 drive lead screw 4 and rotates, it rises to drive sleeve pipe 5, thereby raise the lift unit, the lift unit makes the adjustment to buffer gear's height again, after the goods fell on buffer gear, the lift unit puts down buffer gear rapidly again, PLC controls first motor 3 antiport simultaneously, sleeve pipe 5 descends, add a buffer gear's decline, and reduce whole lift mechanism's focus, so that the robot is more stable during transportation goods, can also prevent that too high sleeve pipe 5 from colliding with the barrier of eminence when the robot removes.

As shown in fig. 3-4, the buffer mechanism comprises a supporting plate 7, a bottom plate 8, a fixing component, two sliding units and a plurality of springs 9, the two lifting units are respectively connected with two sides of the supporting plate 7, the bottom plate 8 is connected with the lower part of the supporting plate 7 through a spring 9, the two sliding units are respectively positioned at the two sides of the bottom plate 8, the supporting plate 7 is connected with the sliding unit, a notch is arranged above the base 1 and matched with the bottom plate 8, a through hole is arranged below the notch, the fixing component comprises an inserted bar 10, a fixing block 11 and two magnets 12, the inserted bar 10 is vertically arranged in the through hole and in the two magnets 12, one magnet 12 is fixed at the top end of the inserted bar 10, the other magnet 12 is fixed at the center of the lower part of the bottom plate 8, the two magnets 12 are opposite in magnetism, and the fixed block 11 is fixed at the bottom end of the inserted bar 10.

When buffer gear rises, two magnet 12 distances increase gradually, in case the appeal that magnet 12 of below received is less than gravity, will make inserted bar 10 and fixed block 11 fall to the ground, thereby make the robot no longer remove, and after the goods has been adorned, when lifting unit puts down buffer gear, bottom plate 8 can fall into the notch earlier, two magnet 12 inter attraction can make inserted bar 10 drive fixed block 11 rise, can not influence the robot after fixed block 11 soaks again and remove, and spring 9 can play the cushioning effect to backup pad 7, two sliding unit can restrict spring 9 and only stretch out and draw back in vertical direction, thereby make the goods more steadily fall to base 1 through buffer gear, and the rocking that takes place when notch and two sliding unit also can reduce the freight.

Preferably, in order to limit the moving direction of the sleeve 5, the limiting assembly comprises a limiting rod 13, a limiting ring 14 and a supporting rod 15, the limiting rod 13 is fixed on one side, away from the first motor 3, of the upper portion of the base 1, the limiting ring 14 is sleeved on the limiting rod 13, the supporting rod 15 is vertically fixed on the limiting ring 14, and one end, away from the sleeve 5, of the cross rod 6 is fixedly connected with the limiting ring 14.

The sleeve 5 drives the limiting ring 14 to slide on the limiting rod 13 through the cross rod 6, so that the moving direction of the sleeve 5 is limited.

Preferably, in order to limit the moving distance of the position-limiting ring 14, the top end of the position-limiting rod 13 is provided with a fixing ring 16, and the support rod 15 passes through the fixing ring 16.

The fixing ring 16 can limit the upward movement distance of the limit ring 14, so that the sleeve 5 connected with the limit ring 14 through the cross rod 6 is prevented from moving up to be separated from the screw rod 4, the movement direction of the support rod 15 can be limited, and the support rod 15 is prevented from being stressed to incline or deform.

Preferably, in order to realize the function of fast goods taking, the lifting unit comprises a second motor 17, a wire coil 18 and a cable 19, the two motors are respectively fixed at the top end of the sleeve 5 and the top end of the support rod 15, the second motor 17 is in transmission connection with the wire coil 18, one end of the cable 19 is wound on the wire coil 18, the other end of the cable 19 is fixed on the support plate 7, and the second motor 17 is electrically connected with the PLC.

The PLC controls the second motor 17 to drive the wire coil 18 to rotate, so that the supporting plate 7 is controlled to lift through the winding and unwinding of the cable 19, the lifting unit is combined with the lifting of the sleeve 5, the lifting of the bottom plate 8 can be more flexible, and the efficiency of taking goods from a high place is higher.

Preferably, in order to detect the height of the support plate 7, a distance sensor 20 is provided at one end of the support plate 7, and the distance sensor 20 is electrically connected to the PLC.

The distance sensor 20 detects the distance from the support plate 7 to the ground and sends a signal to the PLC, and the PLC receives the signal and then adjusts the height of the support plate 7 by controlling the two lifting units.

Preferably, in order to limit the moving direction of the supporting plate 7, the sliding unit includes a sliding groove 21 and a sliding block 22, the sliding block 22 is fixed on the supporting plate 7, the sliding groove 21 is vertically arranged, the bottom end of the sliding groove 21 is fixed on the bottom plate 8, and the sliding block 22 is slidably connected with the sliding groove 21.

When the bottom plate 8 contacts with the bottom in the recess, gravity can drive the supporting plate 7 to continuously move downwards, and the sliding block 22 moves in the sliding groove 21, so that the downward movement direction of the supporting plate 7 is limited, and the position of the goods and the position of the supporting plate 7 are prevented from being deviated due to the deformation of the spring 9.

Preferably, in order to reduce the friction force applied to the slider 22, a lubricant is applied to the inside of the sliding groove 21.

Preferably, the recess is shaped as a conical cylinder in order to facilitate the fall of the bottom plate 8 into the recess.

The shape of the recess is conical and cylindrical, so that the bottom plate 8 can more easily fall into the recess.

Preferably, the first motor 3 is a servo motor in order to increase the driving force of the first motor 3.

Preferably, in order to improve the grip performance of the fixing block 11, the fixing block 11 is made of rubber.

The rubber can increase the friction between the fixing block 11 and the ground, the fixing function is realized more easily, the weight of the rubber is not too large, and the downward pulling force borne by the magnet 12 can be reduced.

The robot moves to the position below the position of the goods, the PLC controls the first motor 3 to drive the screw rod 4 to rotate, the sleeve 5 is driven to ascend, so that the lifting unit is lifted, the fixing component can fall to the ground due to the fact that the distance between the two magnets 12 is increased, the position of the robot is fixed, after the supporting plate 7 receives the goods at a high position, the PLC controls the second motor 17 to drive the wire coil 18 to rotate, the cable 19 is rapidly lengthened, meanwhile, the PLC controls the first motor 3 to reversely rotate, the sleeve 5 descends, so that the goods and the whole buffer mechanism rapidly move downwards, the bottom plate 8 falls into the notch firstly, the two magnets 12 mutually attract to enable the inserted bar 10 to drive the fixing block 11 to ascend, after the fixing block 11 is emptied, the spring 9 can play a buffering role on the supporting plate 7, the two sliding units can limit the spring 9 to stretch in the vertical direction, so that the goods can more stably fall onto the base 1 through the buffer, and the notch and the two sliding units can also reduce the shaking generated during the transportation of the goods.

Compared with the prior art, this intelligent logistics robot with buffer function, realize the function of getting goods from the eminence rapidly through elevating system, compare with current elevating system, this elevating system can contract, it is more nimble to operate, high efficiency, moreover, the impulsive force that the goods moved downwards and received has been alleviateed through buffer mechanism, prevent that the goods from damaging because of the collision, and through the position of fixed subassembly unable adjustment base 1 when getting goods, compare with current buffer mechanism, this buffer mechanism has improved security and stability when getting goods, thereby the practicality has been improved.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The intelligent logistics robot with the buffering function is characterized by comprising a base (1), a lifting mechanism, a buffering mechanism and a plurality of rollers (2), wherein the buffering mechanism is arranged above the base (1) through the lifting mechanism, the rollers (2) are connected with the lower portion of the base (1), a processor (23) is arranged on the base (1), an antenna and a PLC are arranged in the processor (23), and the antenna is electrically connected with the PLC;

the lifting mechanism comprises a first motor (3), a screw rod (4), a sleeve (5), a cross rod (6), a limiting assembly and two lifting units, the first motor (3) is fixed on one side above the base (1), the limiting assembly is located on the other side above the base (1), the first motor (3) is in transmission connection with the screw rod (4), the screw rod (4) and the sleeve (5) are both vertically arranged, the sleeve (5) is sleeved on the screw rod (4), a thread matched with the screw rod (4) is arranged at the connection part of the sleeve (5) and the screw rod (4), the sleeve (5) is connected with the limiting assembly through the cross rod (6), the two lifting units are respectively located at the top end of the sleeve (5) and above the limiting assembly, and the first motor (3) is electrically connected with the PLC;

the buffer mechanism comprises a support plate (7), a bottom plate (8), a fixing component, two sliding units and a plurality of springs (9), wherein the two lifting units are respectively connected with two sides of the support plate (7), the bottom plate (8) is connected with the lower part of the support plate (7) through the springs (9), the two sliding units are respectively positioned on two sides of the bottom plate (8), the support plate (7) is connected with the sliding units, a notch is arranged above the base (1) and matched with the bottom plate (8), a through hole is arranged below the notch, the fixing component comprises an inserted bar (10), a fixing block (11) and two magnets (12), the inserted bar (10) is vertically arranged in the through hole, one magnet (12) is fixed at the top end of the inserted bar (10) in the two magnets (12), the other magnet (12) is fixed at the center of the lower part of the bottom plate (8), the two magnets (12) are opposite in magnetism, and the fixed block (11) is fixed at the bottom end of the inserted rod (10).

2. The intelligent logistics robot with the buffering function according to claim 1, wherein the limiting component comprises a limiting rod (13), a limiting ring (14) and a supporting rod (15), the limiting rod (13) is fixed on one side, away from the first motor (3), above the base (1), the limiting ring (14) is sleeved on the limiting rod (13), the supporting rod (15) is vertically fixed on the limiting ring (14), and one end, away from the sleeve (5), of the cross rod (6) is fixedly connected with the limiting ring (14).

3. The intelligent logistics robot with buffering function of claim 2, characterized in that the top end of the limiting rod (13) is provided with a fixing ring (16), and the support rod (15) passes through the fixing ring (16).

4. The intelligent logistics robot with buffering function of claim 2, wherein the lifting unit comprises a second motor (17), a wire coil (18) and a cable (19), the two motors are respectively fixed at the top end of the casing (5) and the top end of the support rod (15), the second motor (17) is in transmission connection with the wire coil (18), one end of the cable (19) is wound on the wire coil (18), the other end of the cable (19) is fixed on the support plate (7), and the second motor (17) is electrically connected with the PLC.

5. The intelligent logistics robot with buffering function of claim 1, characterized in that a distance sensor (20) is arranged on one end of the support plate (7), and the distance sensor (20) is electrically connected with the PLC.

6. The intelligent logistics robot with buffering function according to claim 1, wherein the sliding unit comprises a sliding groove (21) and a sliding block (22), the sliding block (22) is fixed on the support plate (7), the sliding groove (21) is vertically arranged, the bottom end of the sliding groove (21) is fixed on the bottom plate (8), and the sliding block (22) is connected with the sliding groove (21) in a sliding manner.

7. The intelligent logistics robot with buffering function of claim 6, characterized in that the sliding groove (21) is internally coated with lubricating oil.

8. The intelligent logistics robot with buffering function of claim 1, wherein the shape of the notch is a conical cylinder.

9. The intelligent logistics robot with buffering function of claim 1, characterized in that the first motor (3) is a servo motor.

10. The intelligent logistics robot with buffering function of claim 1, characterized in that the fixed block (11) is made of rubber.