CN114955326A - Lifting mechanism, loading and unloading device and storage system - Google Patents

Abstract

The invention provides a lifting mechanism, a goods storing and taking device with the lifting mechanism and a warehousing system with the goods storing and taking device, and belongs to the technical field of intelligent warehousing. Wherein, elevating system includes: an installation part; the telescopic piece is fixedly arranged on the mounting part; the guide assembly is driven by the telescopic piece to stretch; and the supporting plate is positioned on the top side of the mounting part and used for supporting goods, wherein the guide assembly is provided with an inclined plane, the bottom of the supporting plate is provided with a bracket pressed on the inclined plane under the action of the self gravity of the supporting plate, and the bracket slides along the inclined plane when the telescopic piece drives the guide assembly to stretch and retract, so that the supporting plate ascends or descends. When goods are taken and placed, the goods are lifted or fall down through the lifting mechanism, friction between the goods and the goods shelf in the process of storing and taking the goods is avoided, vibration when the goods are taken and placed is reduced, and damage and turnover caused by vibration caused by the goods are avoided.

Description

Lifting mechanism, loading and unloading device and storage system

technical field

The invention belongs to the technical field of intelligent warehousing, and relates to a lifting mechanism, a loading and unloading device with the lifting mechanism, and a storage system with the loading and unloading device.

Background technique

The application of intelligent warehousing can ensure the speed and accuracy of data input in all aspects of cargo warehouse management, and ensure that enterprises can accurately grasp the real data of inventory.

In the field of intelligent warehousing, the handling of goods is the most important link. The application of intelligent warehousing robots (pick-and-place devices) ensures the speed and accuracy of data input in all aspects of warehouse management, and ensures that enterprises can grasp the reality of inventory in a timely and accurate manner. Data, reasonable maintenance and control of enterprise inventory.

In the prior art, the goods are mostly stored on the shelves of the shelves in the form of boxes. When the robot picks up and puts out the goods, the telescopic arm extends, and directly pulls the cargo box on the shelf through the picking mechanism on the telescopic arm. When picking up the goods in this way, the friction between the cargo box and the laminate is large, and the resistance that the robot needs to overcome to pick up the goods is very large, which may cause the vehicle body to be unstable and shake, and may cause the goods to fall over in serious cases.

In addition, for some irregular-shaped goods (such as ceramic utensils, etc.), if the goods are picked up and placed in the way of allotment, the goods may be tilted and dropped, and the goods may be damaged. For some goods with great frictional resistance that cannot be withdrawn (such as rubber products), the goods cannot be picked and placed by means of withdrawal.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned problems, a lifting mechanism, a cargo storage device with the lifting mechanism, and a storage system with the cargo storage device are provided, which can prevent the goods from tilting and falling when picking up and placing goods. The present invention adopts the following technical solutions :

The invention provides a lifting mechanism, which is characterized by comprising: an installation part; a telescopic piece fixedly mounted on the installation part; a guide assembly, which is extended and retracted under the drive of the telescopic piece; and a support plate located on the top of the installation part The side is used to support goods, wherein the guide assembly has an inclined surface, and the bottom of the support plate has a bracket pressed on the inclined surface under the action of its own gravity, and the bracket slides along the inclined surface when the telescopic element drives the guide assembly to expand and contract , and then make the support plate rise or fall.

The lifting mechanism provided by the present invention may also have such a feature, wherein the guide assembly has a first inclined block, a second inclined block and a connecting frame, the first inclined block and the second inclined block are respectively located at both ends of the telescopic member, and the telescopic The end is connected with the first inclined block, the first inclined block and the second inclined block are linked through the connection frame, and the first inclined block and the second inclined block respectively have inclined surfaces parallel to each other.

The lifting mechanism provided by the present invention may also have such a feature, wherein the guide assembly has a first inclined block and a second inclined block, the first inclined block is connected adjacent to the second inclined block, and the telescopic member is located away from the first inclined block. One side of the second inclined block has a telescopic end, the telescopic end is connected with the first inclined block, and the first inclined block and the second inclined block respectively have inclined surfaces parallel to each other.

The lifting mechanism provided by the present invention may also have the feature that the first inclined block and the second inclined block are integrally formed.

The lifting mechanism provided by the present invention may also have the feature that two brackets are fixedly installed on the bottom of the support plate at the positions corresponding to the first inclined block and the second inclined block, and the bottom of each bracket is installed with a A roller that rolls on an inclined surface.

The lifting mechanism provided by the present invention may also have such a feature, further comprising: a follower installed on the mounting portion, the follower is located at the bottom of the first inclined block and the second inclined block, and is opposite to the first inclined block and the second inclined block. Provide support during the expansion and contraction of the two inclined blocks.

The lifting mechanism provided by the present invention may also have such a feature, further comprising: a guide assembly, which has a guide shaft and a corresponding linear bearing, the guide shaft is installed on the bottom of the bearing plate, the linear bearing is installed on the installation part, and the guide shaft is inserted into In the corresponding linear bearing, the guide support plate is lifted and lowered in the vertical direction.

The lifting mechanism provided by the present invention may also have the feature that the telescopic element is an electric push rod, the electric push rod has a fixed end and a telescopic end, the fixed end is mounted on the mounting portion, and the telescopic end is connected to the guide assembly, along the The cargo transfer direction is telescopic, and the bottoms of the two ends of the installation part are respectively installed with support wheels, which are used to support the installation part and provide rolling friction during the movement of the installation part.

The invention provides a loading and unloading device for picking up and placing goods from shelves, which is characterized in that it includes: a walking mechanism, which travels between the shelves; direction expansion and contraction; and at least one lifting mechanism, which is installed on the telescopic mechanism and moves toward or away from the goods along with the telescopic mechanism, wherein the lifting mechanism is the above-mentioned lifting mechanism.

The present invention provides a storage system, which is characterized in that a storage and retrieval device is provided; and a rack is used for storing goods, wherein the storage and retrieval device is the above-mentioned storage and retrieval device, and the rack has a walking track and a vertical direction with the walking track. Telescopic rail, the walking mechanism walks along the walking rail, the goods are supported on the telescopic rail, and the lifting mechanism picks and puts the goods when the telescopic mechanism extends along the telescopic rail to the shelf.

Invention action and effect

According to the lifting mechanism, the loading and unloading device including the lifting mechanism, and the storage system including the loading and unloading device according to the present invention, the lifting mechanism pushes the guide assembly to expand and contract through the telescopic member, and the support plate passes along the guide assembly through its own bottom bracket. The inclined plane moves up and down to achieve lifting. In the process of storing the goods, the goods are lifted by the lifting mechanism and then moved to the shelf space, and then the goods are lowered by the lifting mechanism and finally supported on the shelf space. The picking process is also the same. The lifting mechanism moves to the bottom of the goods with the telescopic mechanism, and then lifts the goods through the lifting mechanism and then retracts back to the top of the cargo platform of the walking mechanism, and then lowers the cargo through the lifting mechanism and finally supports it on the cargo platform. The loading and unloading device of the first embodiment uses a lifting mechanism, and when picking and placing goods, it is no longer through the method of allocation, which avoids the friction between the goods and the shelves when the goods are stored successfully, thereby greatly reducing the friction between the goods and the shelves. It avoids the vibration when picking up and placing goods, and avoids damage and overturning caused by the vibration of the goods. And it can be used to pick up and place rubber and other goods that will generate greater friction during the process of picking up, broadening the categories of goods stored in the storage system.

Description of drawings

FIG. 1 is a schematic three-dimensional structure diagram of a storage and retrieval device in Embodiment 1 of the present invention;

Fig. 2 is the three-dimensional structure schematic diagram 1 of the lifting mechanism in the first embodiment of the present invention;

FIG. 3 is a schematic diagram 2 of the three-dimensional structure of the lifting mechanism in the first embodiment of the present invention;

Fig. 4 is the partial three-dimensional structure schematic diagram of the lifting mechanism in the first embodiment of the present invention;

5 is a schematic three-dimensional structure diagram of a storage system in Embodiment 1 of the present invention;

Fig. 6 is the top-view structure schematic diagram of the storage system in the first embodiment of the present invention;

Fig. 7 is the schematic diagram of picking up special-shaped goods by the loading and unloading device in the first embodiment of the present invention;

FIG. 8 is a schematic three-dimensional structure diagram of the storage and retrieval device in the second embodiment of the present invention;

Fig. 9 is the three-dimensional structure schematic diagram 1 of the lifting mechanism in the second embodiment of the present invention;

FIG. 10 is a schematic diagram 2 of the three-dimensional structure of the lifting mechanism in the second embodiment of the present invention;

Fig. 11 is a partial three-dimensional structural schematic diagram of the lifting mechanism in the second embodiment of the present invention;

12 is a schematic three-dimensional structural diagram of the first inclined block in the second embodiment of the present invention.

Detailed ways

The specific embodiments of the present invention will be described below with reference to the accompanying drawings and embodiments.

<Example 1>

FIG. 1 is a schematic three-dimensional structural diagram of a cargo storage device in Embodiment 1 of the present invention.

As shown in FIG. 1 , the first embodiment provides a loading and unloading device 1 for loading and unloading goods from a shelf, including a traveling mechanism 10 , a telescopic mechanism 20 and a lifting mechanism 30 .

The traveling mechanism 10 is a traveling trolley, which travels between the racks, and has a body shell 11 , a plurality of traveling wheels 12 and a loading platform 13 .

The body shell 11 has a square structure, and the interior includes a motor for driving the traveling mechanism 10 to travel, a motor for driving the telescopic mechanism 20 to expand and contract, and the like.

In the first embodiment, the traveling mechanism 10 has a plurality of traveling wheels 12, specifically, a two-way traveling mechanism with four traveling wheels, or a four-way traveling mechanism with eight traveling wheels. The traveling wheels 12 are located in the body shell. 11 bottom.

The cargo platform 13 is located on the running gear 10 for carrying cargo.

A telescopic mechanism 20 is mounted on the cargo platform 13 , and a lift mechanism 30 is mounted on the telescopic mechanism 20 .

The telescopic mechanism 20 includes a telescopic guide rail 21 and a telescopic arm 22 .

The telescopic rail 21 is mounted on the cargo platform 13 , and the telescopic arm 22 is mounted on the telescopic rail 21 . The body shell 11 is provided with a motor that drives the telescopic rails 21 to extend and retract, so that the telescopic arms 22 mounted on the telescopic rails 21 extend and retract along the cargo transfer direction.

There are multiple telescopic mechanisms 20. Specifically, there may be two telescopic mechanisms 20, which are arranged in pairs, and can take and place goods synchronously. There can also be three telescopic mechanisms 20, and any two telescopic mechanisms can take and place goods simultaneously. In an example, the telescopic mechanism 20 has two symmetrically arranged telescopic mechanisms 20 .

FIG. 2 is a schematic diagram 1 of the three-dimensional structure of the lifting mechanism in the first embodiment of the present invention. FIG. 3 is a second schematic diagram of the three-dimensional structure of the lifting mechanism in the first embodiment of the present invention.

As shown in FIGS. 2 and 3 , the lifting mechanism 30 includes a mounting portion 31 , a telescopic member 32 , a guide assembly 33 , a follower 34 , a support plate 35 , a guide assembly 36 and a support wheel 37 .

In the first embodiment, the mounting portion is the side wall of the telescopic arm.

The telescopic element 32 is an electric push rod, which is installed at a position close to one end of the mounting portion 31 . The electric push rod has a fixed end 321 and a telescopic end 322 that can be extended and retracted along the cargo transfer direction. The fixed end 321 is fixedly installed on the mounting portion 31 , the telescopic end 322 is connected to the guide assembly 33 , and the guide assembly 33 is extended and retracted by the telescopic member 32 .

The first inclined block 331 and the second inclined block 332 have two inclined surfaces 3331 parallel to each other. The first inclined block 331 and the second inclined block 332 are adjacent and integrally formed. The first inclined block 331 and the second inclined block 332 are both provided with a plane 3332 located on the same horizontal plane. They are connected by the arc surface 3333.

In the first embodiment, the telescopic element 32 and the first inclined block 331 are located on the side away from the second inclined block 332, and the telescopic end 322 of the telescopic element 32 is connected to the first inclined block 331 to drive the first inclined block 331 and the second inclined block 331. The two inclined blocks 332 are extended and retracted.

The follower 34 is mounted on the mounting portion 31 or is mounted on the mounting portion 31 through a connecting structure, and is located at a position corresponding to the first inclined block 331 and the second inclined block 332 . At the bottom of the inclined block 331 and the second inclined block 332, the follower 34 has a plurality of rollers to support the first inclined block 331 and the second inclined block 332, and can be connected between the first inclined block 331 and the second inclined block 332. 332 performs rolling friction during expansion and contraction.

The supporting plate 35 is located on the top side of the mounting portion 31 for supporting goods. The bottom of the support plate 35 is pressed on the two inclined surfaces 3331 of the first inclined block 331 and the second inclined block 332 by the support 351 and the bottom rotatable roller 352 of the support 351 under the action of gravity.

Specifically, the support plate 35 presses against the bracket 351 , and a rotatable roller 352 is mounted on the bottom of the bracket 351 , and the roller 352 rolls on the inclined surface. When the telescopic end 322 of the telescopic element 32 is telescopic, it drives the first inclined block 331 and the second inclined block 332 to expand and contract, so that the roller 352 rolls along the inclined surface 3331 , the curved surface 3333 and the flat surface 3332 , thereby driving the bracket 351 and the support plate 35 rise or fall.

The guide assembly 36 has a guide shaft 361 and a linear bearing 362. One end of the guide shaft 361 is inserted into the linear bearing 362, and the other end is installed at the bottom of the support plate 35, extending and retracting in the vertical direction. Both ends of the pallet 35 in the longitudinal direction.

FIG. 4 is a partial three-dimensional structural schematic diagram of the lifting mechanism in the first embodiment of the present invention.

As shown in FIG. 4 , the guide shaft 361 is inserted into the linear bearing 362 so as to guide the bearing plate 35 to ascend and descend only in the vertical direction. The support wheel 37 is installed at the bottom of the installation portion 31 to support the telescopic arm 22 where the installation portion 31 is located and to perform rolling friction during the telescopic arm 22 extending and retracting.

FIG. 5 is a schematic three-dimensional structure diagram of the storage system in the first embodiment of the present invention. FIG. 6 is a schematic top view of the structure of the storage system in the first embodiment of the present invention.

As shown in FIG. 5 and FIG. 6 , the first embodiment further provides a storage system 100 , which includes an access device 1 and a shelf 2 .

The rack 2 is composed of a plurality of support columns extending in the vertical direction and a plurality of beams extending in the horizontal direction, and has a traveling rail 201 and a telescopic rail 202 .

The traveling track 201 is arranged between two rows of multi-layer racks, and each rack is provided with a traveling track 201 , and the traveling mechanism 10 of the loading and unloading device 1 travels in the traveling track 201 . Specifically, the traveling track is arranged on the beam connecting the support columns, and the traveling wheel 12 of the traveling mechanism 10 is on the traveling track 201 and moves along the direction of the beam.

The telescopic rail 202 is perpendicular to the walking rail 201 and is erected on two parallel beams. The telescopic rail 202 has a "ㄩ" type structure, the goods are supported on the upper end of the "ㄩ" type structure, and the cavity between the goods and the "ㄩ" type structure can allow the telescopic arm 22 of the telescopic mechanism 20 to extend in. In order to enhance the load-bearing performance of the telescopic rails, the top of the telescopic rails 202 is provided with a flange that is turned outward, and the goods stored on the shelf 2 are supported on the flanges of the telescopic rails 202. The multiple telescopic rails 202 form a plurality of A slot for storing goods.

The telescopic mechanism 20 is telescopic along the telescopic rail 202 , that is, the telescopic arm 22 of the telescopic mechanism 20 drives the elevating mechanism 30 to telescopically extend along the telescopic rail 202 . The specific action process when the storage system 100 of the first embodiment stores goods is as follows:

Step S1, the loading and unloading device 1 moves the goods supported on the loading platform 13 along the traveling track 201 to the position corresponding to the rack 1, so that the telescopic arm 22 is aligned with the corresponding telescopic rail 202, and then proceeds to step S2 ;

In step S2, the telescopic element 32 extends to drive the first inclined block 331 and the second inclined block 332 to move, so that the support plate 35 rises, and lifts the goods on the cargo platform 13, so that the bottom surface of the goods is higher than the telescopic rail 202. Flanging, and then enter step S3;

In step S3, the telescopic guide rail 21 drives the telescopic arm 22 to extend, that is, moves along the telescopic rail 202 in a direction away from the traveling rail 201, so that the bottom surface of the cargo is completely located above the telescopic rail 202, and then proceeds to step S4;

In step S4, the retraction of the telescopic member 32 drives the movement of the first inclined block 331 and the second inclined block 332, so that the support plate 35 is lowered until the top surface of the support plate 33 is lower than the flange of the telescopic rail 202, so that the goods can be supported. Hold it on the flange of the telescopic rail 202, and then enter step S5;

In step S5, the telescopic guide rail 21 drives the telescopic arm 22 to retract, so that the telescopic arm 22 is completely separated from the telescopic rail 202 and retracted onto the cargo platform 13 to complete the storage of the goods, and then enter the end state.

The specific action process when the storage system 100 of the first embodiment picks up the goods is as follows:

Step T1, the loading and unloading device 1 is moved to the position corresponding to the storage of the goods to be picked up on the shelf 1, so that the telescopic arm 22 is aligned with the corresponding telescopic rail 202, and then the step T2 is entered;

In step T2, the telescopic guide rail 21 drives the telescopic arm 22 to extend, that is, moves along the telescopic rail 202 in a direction away from the traveling rail 201, so that the support plate 35 is under the goods, and then proceeds to step T3;

In step T3, the telescopic element 32 extends to drive the first inclined block 331 and the second inclined block 332 to move, so that the support plate 35 rises, and lifts the goods supported on the flange of the telescopic guide rail 202, and then proceeds to step T4;

Step T4, the telescopic guide rail 21 drives the telescopic arm 22 and the goods supported on the supporting plate 35 to retract, so that the supporting plate 35 of the lifting mechanism 30 is completely separated from the telescopic rail 202, and the goods are located above the cargo platform 13, and then Enter step T5;

In step T5, the retraction of the telescopic member 32 drives the first inclined block 331 and the second inclined block 332 to move, so that the support plate 35 drives the goods to descend, and then the process proceeds to step T6;

In step T6, the traveling mechanism 10 moves along the traveling track 201 to transport the picked-up goods to the designated position, and then enters the end state.

FIG. 7 is a schematic diagram of picking up a special-shaped cargo by the loading and unloading device in the first embodiment of the present invention.

The special-shaped cargo 3 is in the shape of a disc, such as a tire. When the loading and unloading device 1 picks up the special-shaped cargo 3, the telescopic arm 22 drives the lifting mechanism 30 to extend under the special-shaped cargo 3 along the telescopic rail 21, and then the telescopic member 32 of the lifting mechanism 30 Push the first inclined block 331 and the first inclined block 33 so that the support plate 35 lifts the special-shaped goods 3 upward, so that the bottom surface of the special-shaped goods 3 is separated from the top of the telescopic rail 202 , that is, the shape shown in FIG. 7 . Next, the telescopic arm 22 drives the lifting mechanism 30 to retract into the traveling mechanism 10, and finally the support plate 35 of the lifting mechanism 30 moves downward under the pushing of the first inclined block 331 and the second inclined block 332 by the telescopic member 32, so that the special-shaped goods are moved downward. 3 falls onto the cargo platform 13 of the running gear 10 .

Example 1 Function and Effect

The first embodiment provides a lifting mechanism, a storage and retrieval device including the lifting mechanism, and a storage system including the storage device. The lifting mechanism pushes the guide assembly to expand and contract through the telescopic member, and the support plate passes along its own bottom bracket along the The inclined surface of the guide assembly moves so as to realize lifting and lowering. In the process of storing the goods, the goods are lifted by the lifting mechanism and then moved to the shelf space, and then the goods are lowered by the lifting mechanism and finally supported on the shelf space. The mechanism moves to the bottom of the goods with the telescopic mechanism, and then lifts the goods through the lifting mechanism and then shrinks back to the top of the cargo platform of the walking mechanism, and then lowers the cargo through the lifting mechanism and finally supports it on the cargo platform. The loading and unloading device of the first embodiment uses a lifting mechanism, and does not use the method of allocating when picking and placing goods, so as to avoid friction between the goods and the shelves during the process of loading and unloading goods, thereby greatly reducing the It avoids the vibration when picking up and placing goods, and avoids damage and overturning caused by the vibration of the goods. And it can be used to pick up and place rubber and other goods that will generate large friction during the process of picking, as well as non-box-type special-shaped goods, which broadens the categories of goods stored in the storage system.

In addition, the guide assembly of the lifting mechanism includes a first inclined block and a second inclined block connected adjacently, and the two brackets at the bottom of the supporting plate support the supporting plate and move along the inclined surface together, which improves the stability of the supporting plate , and a roller is arranged at the bottom of the bracket, which reduces the frictional resistance between the bracket and the inclined surface when the bearing plate moves up and down, and improves the smoothness of the lifting process of the bearing plate.

In addition, the lifting mechanism has a follower arranged at the bottom of the first inclined block and the second inclined block, and the follower is provided with a plurality of wheels. While supporting the first inclined block and the second inclined block, it also supports the first inclined block. The rolling friction is provided with the second inclined block during the movement process, and the smoothness of the movement of the first inclined block and the second inclined block is improved.

In addition, the lifting mechanism has guide assemblies installed at both ends of the mounting part. The guide assemblies are composed of a guide shaft installed at the bottom of the support plate and a linear bearing installed on the installation part. The guide shaft is inserted into the linear bearing to lift the support plate. The position is limited so that the support plate can only be lifted and lowered in the vertical direction. At the same time, because the guide components are arranged at both ends of the installation portion, that is, the two ends of the support plate, the support plate supports the goods more smoothly.

<Example 2>

FIG. 8 is a schematic three-dimensional structure diagram of the cargo storage device in the second embodiment of the present invention.

As shown in FIG. 8 , the second embodiment provides a cargo storage device 1', which includes a traveling mechanism 10, a telescopic mechanism 20, and a lifting mechanism 30'.

The traveling mechanism 10 and the telescopic mechanism 20 in the second embodiment are exactly the same as those in the first embodiment. For the same structure, the same number is given in the second embodiment and the corresponding description is omitted.

FIG. 9 is a schematic diagram 1 of the three-dimensional structure of the lifting mechanism in the second embodiment of the present invention. FIG. 10 is a second schematic diagram of the three-dimensional structure of the lifting mechanism in the second embodiment of the present invention.

As shown in Fig. 9 and Fig. 10 , the lifting mechanism 30' has the same mounting portion 31, telescopic member 32, guide assembly 36 and support wheel 37 as in the first embodiment. In addition, the lifting mechanism 30' of the second embodiment also has a guide assembly 33', a follower 34' and a support plate 35'.

The telescopic piece 32 is installed at the central position of the installation portion.

The guide assembly 33' has a first inclined block 331', a second inclined block 332' and a connecting frame 334.

The first inclined block 331' and the second inclined block 332' have inclined surfaces 3331' parallel to each other. Both the first inclined block 331' and the second inclined block 332' are provided with a flat surface 3332' located on the same horizontal plane, and each inclined surface 3331' and the corresponding flat surface 3332' are connected by an arc surface 3333'.

12 is a schematic three-dimensional structural diagram of the first inclined block in the second embodiment of the present invention.

As shown in Fig. 12 , the inclined surface 3331', the arc surface 3333' and the flat surface 3332' of the first inclined block 331' are connected in sequence. The opposite side of the first inclined block 331' and the inclined surface 3331' is used for connecting the telescopic end 322 of the telescopic element 32.

The first oblique block 331' and the second oblique block 332' are located at two ends of the telescopic member 32 respectively, and are connected by a connecting frame 334 for linkage. The connecting frame 334 is a connecting rod, and two ends of the connecting rod are respectively connected with the side surfaces of the first inclined span 331' and the second inclined block 332'.

The telescopic element 32 is located between the first inclined block 331' and the second inclined block 332', and the telescopic end 322 of the telescopic element 32 is connected to the first inclined block 331'. When the telescopic end 322 is telescopic, it drives the first inclined block 331' and the second inclined block 332' linked with the first inclined block 331' through the connecting frame 334 to expand and contract together.

The follower 34' is mounted on the mounting portion 31 or is mounted on the mounting portion 31 through a connecting structure, and is located at a position corresponding to the first inclined block 331' and the second inclined block 332'. In this embodiment, the follower 34 ′ is located at the bottom of the first inclined block 331 ′ and the second inclined block 332 ′, and has a plurality of rollers to support the first inclined block 331 ′ and the second inclined block 332 ′, and Rolling friction may be performed during the expansion and contraction of the first inclined block 331 ′ and the second inclined block 332 ′.

The supporting plate 35' is located on the top side of the mounting portion 31 for supporting goods.

The bottom of the support plate 35 passes through the bracket 351' and the bracket 351' under the action of its gravity

The bottom rotatable roller 352' is pressed on the two inclined surfaces 333' of the first inclined block 331' and the second inclined block 332'.

Specifically, the support plate 35' is pressed against the bracket 351', and a rotatable roller 352' is installed at the bottom of the bracket 351', and the roller 352' rolls on the inclined surface 333'. When the telescopic end 322 of the telescopic member 32 is telescopic, it drives the first inclined block 331' and the second inclined block 332' to expand and contract, so that the roller 352' rolls along the inclined surface 3331', the arc surface 3333' and the flat surface 3332', thereby driving the bracket 351' and the support plate 35' rise or fall.

FIG. 11 is a partial three-dimensional structural schematic diagram of the lifting mechanism in the second embodiment of the present invention.

As shown in FIG. 11 , the guide assembly 36 in the second embodiment is exactly the same as that in the first embodiment.

The specific action process of the loading and unloading device 1' in the second embodiment when loading and unloading the goods from the rack 2 is exactly the same as that in the first embodiment. The guide assembly 33' is pushed by the telescopic member 32 to make the support plate 35 'The lifting and lowering are carried out during the sliding process of the bracket 351' along the inclined surface 333', so as to realize the lifting and lowering of the goods. During the storage and retrieval process, the friction between the goods and the shelves is avoided by lifting the goods first and then putting them down instead of flipping the goods.

Embodiment 2 Function and effect

The second embodiment provides a lifting mechanism and a loading and unloading device including the lifting mechanism. The first inclined block and the second inclined block are located on both sides of the installation portion. Since the bracket of the supporting plate moves with the inclined surface, the supporting When the plate is lifted and lowered, it also supports the support plate, and the two inclined surfaces of the implementation one are close to each other, so that the distance between the two brackets of the support plate is shorter, and the two brackets do not support the support plate. Compared with stability, the distance between the two brackets on the support plate in the second embodiment is lengthened, and the brackets are located at both ends of the support plate, so that the support for the brackets is more stable, and it is not easy to occur during the lifting process. Unsmooth lifting due to the deviation of the center of gravity. That is to say, the design in which the first inclined block is separated from the second inclined block can improve the smoothness of the lifting mechanism for lifting the goods.

The above embodiments are only used to illustrate specific embodiments of the present invention, and the present invention is not limited to the description scope of the above embodiments.

In the above embodiment, the lifting mechanisms in the loading and unloading device are arranged in pairs and are parallel to each other, that is to say, the lifting mechanism has two separate support plates. In other embodiments, the loading and unloading device may only have There is only one lifting mechanism and only one supporting plate. A telescopic element pushes the guide assembly to make the supporting plate go up and down. There can also be multiple lifting mechanisms jointly supporting one supporting plate.

In the above embodiments, the guide assemblies each have two inclined surfaces. In other embodiments, the guide assemblies may also have only one inclined surface.

Claims (10)

1. A lift mechanism, comprising:

an installation part;

the telescopic piece is fixedly arranged on the mounting part;

the guide assembly is driven by the telescopic piece to stretch and retract; and

a supporting plate positioned on the top side of the mounting part and used for supporting the goods,

wherein the guide component is provided with an inclined surface,

the bottom of the bearing plate is provided with a bracket which is pressed on the inclined surface under the action of the self gravity, and when the telescopic piece drives the guide assembly to stretch, the bracket slides along the inclined surface, so that the bearing plate ascends or descends.

2. The lift mechanism of claim 1, wherein:

wherein the guide assembly is provided with a first inclined block, a second inclined block and a connecting frame,

the first inclined block and the second inclined block are respectively positioned at two ends of the telescopic piece, the telescopic end is connected with the first inclined block, the first inclined block and the second inclined block are connected through a connecting frame for linkage,

the first inclined block and the second inclined block are respectively provided with the inclined surfaces which are parallel to each other.

3. The lift mechanism of claim 1, wherein:

wherein the guide assembly has a first swash block and a second swash block,

the first inclined block is adjacently connected with the second inclined block, the telescopic piece is positioned on one side of the first inclined block far away from the second inclined block and is provided with a telescopic end, and the telescopic end is connected with the first inclined block,

the first inclined block and the second inclined block are respectively provided with the inclined surfaces which are parallel to each other.

4. The lift mechanism of claim 3, wherein:

wherein the first swash block and the second swash block are integrally formed.

5. The lifting mechanism according to claim 2 or 3, wherein:

the bottom of the bearing plate is fixedly provided with two brackets at positions corresponding to the first inclined block and the second inclined block, and the bottom of each bracket is provided with a roller rolling along the inclined surface.

6. The lift mechanism of claim 2 or 3, further comprising:

and the follower is arranged on the mounting part, is positioned at the bottom of the first inclined block and the bottom of the second inclined block and provides support for the first inclined block and the second inclined block in the process of stretching.

7. The lift mechanism of claim 1, further comprising:

a guide assembly having a guide shaft and a corresponding linear bearing,

the guide shaft is arranged at the bottom of the bearing plate,

the linear bearing is installed on the installation part, and the guide shaft is inserted into the corresponding linear bearing to guide the bearing plate to lift along the vertical direction.

8. The lift mechanism of claim 1, wherein:

wherein the telescopic piece is an electric push rod which is provided with a fixed end and a telescopic end,

the fixed end is arranged on the mounting part,

the telescopic end is connected with the guide component and is telescopic along the cargo transferring direction,

supporting wheels are installed respectively at the bottom at the both ends of installation department, are used for right the installation department supports and the installation department provides rolling friction in moving the process.

9. A goods storing and taking device is used for storing and taking goods from a goods shelf and is characterized by comprising:

the traveling mechanism runs between the goods shelves;

the telescopic mechanism is arranged on the travelling mechanism and is telescopic towards the direction close to or far away from the goods; and

at least one lifting mechanism which is arranged on the telescopic mechanism and moves towards the direction close to or far away from the goods along with the telescopic mechanism,

the lifting mechanism is the lifting mechanism of any one of claims 1 to 8.

10. A warehousing system, comprising:

a cargo access device; and

a goods shelf for storing goods,

wherein the access device is the access device of claim 9,

the goods shelf is provided with a walking track and a telescopic track vertical to the walking track,

the walking mechanism walks along the walking track,

the goods bearing is in on the flexible track, elevating system is following telescopic machanism follows telescopic machanism extends to be located get when goods are put to the flexible track on the goods shelves.

Images