CN114955495A

CN114955495A - Feeding device

Info

Publication number: CN114955495A
Application number: CN202210620279.8A
Authority: CN
Inventors: 胡伟云; 徐建国; 刘朝东; 严明; 许克亮; 邱伟明; 刘汉杰; 麦堃明
Original assignee: GAC Toyota Motor Co Ltd
Current assignee: GAC Toyota Motor Co Ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-08-30

Abstract

The invention discloses a feeding device which comprises a pulling mechanism, a feeding mechanism and a lifting mechanism, wherein the pulling mechanism comprises a pulling assembly, a base and a first driving piece, and the pulling assembly is arranged above the base and is slidably connected with the base; the feeding mechanism comprises a lifting frame and a feeding assembly which are arranged above the material pulling assembly, the lifting frame forms a containing cavity, a feeding port and a discharging port are formed at two opposite ends of the containing cavity, the feeding assembly is positioned in the containing cavity and connected with the lifting frame, and the first driving piece is used for driving the material pulling assembly to extend out of the feeding port so as to bear materials and driving the material pulling assembly to withdraw so that the materials enter the containing cavity from the feeding port and are placed above the feeding assembly; the lifting mechanism comprises a base frame, a second driving piece and a transmission assembly, the two ends of the transmission assembly are respectively connected with the base frame and the lifting frame, and the second driving piece is used for driving the transmission assembly to lift so as to drive the lifting frame and the feeding assembly to lift. The feeding mechanism reduces the labor burden of operators.

Description

Feeding device

Technical Field

The invention relates to the technical field of part transferring, in particular to a feeding device.

Background

At present, in automation equipment and production lines, manual feeding is still adopted, and in the production process, various problems and defects exist in manual feeding, such as time and labor waste, low production efficiency, fatigue of workers, incapability of keeping up with production beats and potential safety hazards.

In view of the above-mentioned drawbacks, there is a need for a continuous feeding device to overcome the lift-up drawback.

Disclosure of Invention

The invention mainly aims to provide a feeding device, and aims to solve the problem that the labor burden of operators is high due to manual feeding.

In order to achieve the above object, the present invention provides a feeding device comprising:

the material pulling mechanism comprises a material pulling component, a base and a first driving piece, wherein the material pulling component is arranged above the base and is slidably connected with the base;

the feeding mechanism comprises a lifting frame and a feeding assembly, the lifting frame is arranged above the material pulling assembly, a containing cavity is formed by the lifting frame, a feeding hole and a discharging hole are formed in two opposite ends of the containing cavity, the feeding assembly is located in the containing cavity and connected with the lifting frame, the first driving piece is used for driving the material pulling assembly to extend out of the feeding hole so as to bear materials, and driving the material pulling assembly to retract so that the materials enter the containing cavity from the feeding hole and are placed above the feeding assembly;

the lifting mechanism comprises a base frame, a second driving piece and a transmission assembly, the two ends of the transmission assembly are respectively connected with the base frame and the lifting frame, and the second driving piece is used for driving the transmission assembly to lift so as to drive the lifting frame and the feeding assembly to lift.

Preferably, the bed frame includes the support body and set up in the lifting frame in the support body, drive assembly includes first sprocket, second sprocket and chain, first sprocket rotationally install in the support body top, the second sprocket rotationally install in the lifting frame top, the chain around locating first sprocket with the second sprocket, the both ends of chain form stiff end and link respectively, the stiff end is fixed in the support body, the link is connected the crane, the second driving piece is used for the drive the lifting frame and the second sprocket descends or rises, with through the chain corresponds the drive the crane and pay-off subassembly rises or descends.

Preferably, the frame body is internally provided with two guide rods which are respectively arranged at two ends of the lifting frame, the lifting frame comprises two transverse rods which are vertically arranged at intervals, the two transverse rods are connected through a connecting rod, two ends of each transverse rod are respectively provided with a guide wheel assembly, and each guide wheel assembly is in one-to-one correspondence with each guide rod in sliding connection.

Preferably, the guide wheel assembly comprises a fixed block and two guide wheels, the fixed block is fixed with the cross rod, the guide wheels are rotatably connected with the fixed block through a connecting shaft, and the two guide wheels are respectively arranged on two sides of the guide rod and are in sliding connection with the guide rod.

Preferably, the support body with one side that the crane is relative is provided with the slide rail of vertical extension, the crane with one side that the support body is relative install with slide rail sliding connection's slider, the crane with one side that the support body is relative is provided with the installation ear, the link with the installation ear is connected.

Preferably, draw the material subassembly to include that interconnect draws work or material rest and sliding block, the base is provided with the connecting block, the connecting block with the pulley block that two rows of upper and lower intervals set up is installed to the one side that the sliding block is relative, the pulley block include a plurality of certainly the feed inlet to the pulley that the direction interval of discharge gate set up, the sliding block set up in two rows between the pulley block and with pulley sliding connection, first driving piece is used for driving draw the work or material rest with the sliding block is relative the connecting block slides.

Preferably, the feeding assembly comprises a material supporting frame and a conveying rod assembly, the material supporting frame is fixed in the accommodating cavity, the conveying rod assembly extends from the feeding port to the discharging port, the conveying rod assembly comprises two conveying rods arranged at intervals on two sides of the material supporting frame, a mounting groove is formed in each conveying rod, the extending direction of each mounting groove is consistent with the extending direction of each conveying rod, a plurality of rollers are arranged in each mounting groove and extend along the extending direction of each mounting groove, each roller is connected with the wall of each mounting groove in a rotating mode, and the outer edge of each roller is exposed out of the notch of each mounting groove.

Preferably, one end of the pulling frame, which is close to the feeding hole, is provided with a pulling block.

Preferably, one end, close to the feeding end, of each conveying rod extends out of the feeding hole relative to the material supporting frame, the first driving piece is used for driving the material pulling frame to extend out of the feeding hole so as to bear the material, and driving the material pulling frame to retract, so that one end, far away from the feeding hole, of the material is abutted against the material pulling block, and the material pulling block pushes the material to be abutted against the roller, extending out of the feeding hole, of the conveying rod and enters the accommodating cavity.

In addition, the invention also provides a material transporting system which comprises the feeding device.

According to the technical scheme, in the working process of the material device, the pulling assembly slides relative to the base under the driving of the first driving piece and extends out of the feeding hole, an operator places materials above the pulling assembly, after the materials are placed, the pulling assembly is retracted under the driving of the first driving piece, the lifting frame forms a containing cavity, the feeding hole and the discharging hole are formed in two opposite ends of the containing cavity, the feeding assembly is located in the containing cavity and located at the bottom of the containing cavity, when the pulling assembly is retracted under the driving of the first driving piece, the materials are abutted to one end, close to the feeding hole, of the feeding assembly, and in the process that the first driving piece drives the pulling assembly to retract, the materials enter the containing cavity from the feeding hole and are borne above the feeding assembly. The lifting mechanism is used for driving the lifting frame to ascend when the material is positioned in the containing cavity, so that the material is driven to ascend. When the material was located and holds the intracavity, the drive assembly drove the crane and rises under the drive of second driving piece to the material that the drive was located and holds the intracavity rises, rises when the material and targets in place, and the material can slide along the pay-off subassembly, and from the discharge gate roll-off. The material is at the in-process of transportation, need not the operation personnel and carries, guarantees operation personnel's safety to improve production efficiency, reduced operation personnel's work burden.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of a feeding device in a descending state according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a loading device in an ascending state according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a pulling mechanism in an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a feeding mechanism in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of the lifting mechanism in the embodiment of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Feeding device	322	Chain
1	Material pulling mechanism	3220	Connecting end
				2	Feeding mechanism	3221	Fixed end
3	Lifting mechanism	3000	Guide rod
				10	Material pulling assembly	3010	Cross bar
11	Base seat	3011	Connecting rod
				12	First driving member	3012	Guide wheel
20	Lifting frame	3013	Fixed block
				21	Feeding assembly	3001	Sliding rail
200	Containing cavity	203	Sliding block
				201	Feed inlet	101	Material pulling frame
202	Discharge port	102	Sliding block
				30	Base frame	110	Connecting block
31	Second driving member	111	Pulley wheel
				32	Transmission assembly	210	Material supporting frame
300	Rack body	211	Conveying rod
				301	Lifting frame	212	Roller wheel
320	First chain wheel	103	Pulling block
				321	Second chain wheel

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 5, in an embodiment of the present invention, the feeding device 100 includes a pulling mechanism 1, a feeding mechanism 2 and a lifting mechanism 3, the pulling mechanism 1 includes a pulling assembly 10, a base 11 and a first driving member 12, the pulling assembly 10 is disposed above the base 11 and slidably connected to the base 11; the feeding mechanism 2 comprises a lifting frame 20 and a feeding assembly 21 which are arranged above the material pulling assembly 10, the lifting frame 20 forms a containing cavity 200, a feeding port 201 and a discharging port 202 are formed at two opposite ends of the containing cavity 200, the feeding assembly 21 is positioned in the containing cavity 200 and connected with the lifting frame 20, and the first driving piece 12 is used for driving the material pulling assembly 10 to extend out of the feeding port 201 to bear materials and driving the material pulling assembly 10 to withdraw so that the materials enter the containing cavity 200 from the feeding port 201 and are placed above the feeding assembly 21; the lifting mechanism 3 comprises a base frame 30, a second driving part 31 and a transmission component 32, two ends of the transmission component 32 are respectively connected with the base frame 30 and the lifting frame 20, and the second driving part 31 is used for driving the transmission component 32 to lift so as to drive the lifting frame 20 and the feeding component 21 to lift.

In the above embodiment, in the operation process of the feeding device 100, the pulling assembly 10 slides relative to the base 11 under the driving of the first driving element 12 and extends out of the feeding port 201, an operator places a material above the pulling assembly 10, after the material is placed, the pulling assembly 10 is retracted under the driving of the first driving element 12, it can be understood that the lifting frame 20 forms the accommodating cavity 200, the feeding port 201 and the discharging port 202 are formed at two opposite ends of the accommodating cavity 200, the feeding assembly 21 is located in the accommodating cavity 200 and at the bottom of the accommodating cavity 200, when the pulling assembly 10 is retracted under the driving of the first driving element 12, the material abuts against one end of the feeding assembly 21 close to the feeding port 201, and in the process of the first driving element 12 driving the pulling assembly 10 to retract, the material enters the accommodating cavity 200 from the feeding port 201 and is supported above the feeding assembly 21. The lifting mechanism 3 is used for driving the lifting frame 20 to lift when the material is positioned in the accommodating cavity 200, so as to drive the material to lift. Specifically, when the material is located in the containing cavity 200, the transmission assembly 32 drives the lifting frame 20 to ascend under the driving of the second driving member 31, so as to drive the material located in the containing cavity 200 to ascend, and after the material ascends to the right position, the material can slide along the feeding assembly 21 and slide out of the discharge port 202. The transportation of real case material, the material need not the operation personnel and carries at the in-process of transportation, guarantees operation personnel's safety to improve production efficiency, reduced operation personnel's work burden. After the material transportation finishes, second driving piece 31 drive transmission assembly 32 descends, thereby drive crane 20 and descend, can understand, the bottom that holds chamber 200 is seted up and is held the opening of chamber 200 intercommunication, crane 20 descends the back, draw material subassembly 10 to stretch into in the opening and be close to pay-off subassembly 21 setting, thereby conveniently draw the in-process that material subassembly 10 pulled back the material, the material is close to the one end butt of feed inlet 201 with pay-off subassembly 21, can understand, the preferred cylinder of first driving piece 12 and second driving piece 31 makes first driving piece 12 and second driving piece 31 at the in-process of drive, the drive is steady.

Further, the base frame 30 includes a frame body 300 and a lifting frame 301 disposed in the frame body 300, the transmission assembly 32 includes a first chain wheel 320, a second chain wheel 321 and a chain 322, the first chain wheel 320 is rotatably mounted at the top end of the frame body 300, the second chain wheel 321 is rotatably mounted above the lifting frame 301, the chain 322 is wound around the first chain wheel 320 and the second chain wheel 321, two ends of the chain 322 respectively form a fixed end 3221 and a connecting end 3220, the fixed end 3221 is fixed to the frame body 300, the connecting end 3220 is connected to the lifting frame 20, and the second driving member 31 is used for driving the lifting frame 301 and the second chain wheel 321 to descend or ascend so as to correspondingly drive the lifting frame 20 and the feeding assembly 21 to ascend or descend through the chain 322. The second driving member 31 drives the lifting frame 301 to descend, the lifting frame 301 drives the second chain wheel 321 connected with the lifting frame to descend, when the second chain wheel 321 descends, because the fixed end 3221 of the chain 322 is fixed on the frame body 300, the connecting end 3220 of the chain 322 rolls around the first chain wheel 320 and ascends in the descending process of the second chain wheel 321, so as to pull the lifting frame 20 to ascend; the second driving member 31 drives the lifting frame 301 to ascend, the lifting frame 301 drives the second chain wheel 321 connected with the lifting frame to ascend, when the second chain wheel 321 ascends, the connecting end 3220 of the chain 322 disappears the pulling force from the fixing end 3221, the lifting frame 20 descends along the frame body 300 under the action of self gravity, through the arrangement of the first chain wheel 320, the second chain wheel 321 and the chain 322, in the ascending process of the driving lifting frame 20, the chain 322 can roll along the first chain wheel 320 and the second chain wheel 321, the friction resistance in the transmission process is reduced, in the descending process of the driving lifting frame 20, the lifting frame 20 descends by means of the self gravity of the lifting frame 20, and the energy required to be consumed by the second driving member 31 in the driving end process is saved.

Furthermore, still be provided with two guide bars 3000 in the support body 300, two guide bars 3000 set up respectively in the both ends of lifting frame 301, and lifting frame 301 includes horizontal pole 3010 that two vertical intervals set up, and two horizontal poles 3010 are connected through a connecting rod 3011, and the leading wheel 3012 subassembly is installed respectively to the both ends of each horizontal pole 3010 equally, and each leading wheel 3012 subassembly corresponds ground and each guide bar 3000 sliding connection one by one. By arranging the guide rod 3000, the guide frame can ascend and descend along the extending direction of the guide rod 3000 in the process that the second driving piece 31 drives the guide frame to ascend and descend, so that the stability in the driving process is improved, the guide frame comprises two cross rods 3010, the two cross rods 3010 are connected through a connecting rod 3011, and the strength of the lifting frame 301 is improved by arranging the two cross rods 3010; the guide wheel 3012 assembly comprises a fixing block 3013 and two guide wheels 3012, the fixing block 3013 is fixed to the cross bar 3010, the guide wheels 3012 are rotatably connected to the fixing block 3013 through a connecting shaft, and the two guide wheels 3012 are respectively arranged on two sides of the guide rod 3000 and slidably connected to the guide rod 3000. The two ends of each cross bar 3010 are provided with guide wheels 3012 to be connected with the guide rods 3000 in a rolling manner, so that the friction resistance of the second driving piece 31 in the process of driving the cross bar 3010 to ascend and descend is reduced.

Specifically, the opposite side of the frame body 300 and the lifting frame 20 is provided with a slide rail 3001 which extends vertically, the opposite side of the lifting frame 20 and the frame body 300 is provided with a slide block 203 which is connected with the slide rail 3001 in a sliding manner, the opposite side of the lifting frame 20 and the frame body 300 is provided with an installation ear, and the connecting end 3220 is connected with the installation ear. Through setting up the slide rail 3001 of vertical extension in the relative one side of support body 300 with crane 20 to at crane 20 and the relative one side installation slider 203 of support body 300, reduced crane 20 the frictional resistance of the in-process that relative support body 300 goes up and down, the link 3220 of chain 322 is connected with the installation ear of crane 20 top, makes link 3220 be connected firmly with crane 20.

In an embodiment, the material pulling assembly 10 includes a material pulling frame 101 and a sliding block 102 connected to each other, the base 11 is provided with a connecting block 110, one side of the connecting block 110 opposite to the sliding block 102 is provided with two rows of pulley 111 sets arranged at intervals up and down, the pulley 111 sets include a plurality of pulleys 111 arranged at intervals in a direction from the material inlet 201 to the material outlet 202, the sliding block 102 is arranged between the two rows of pulley 111 sets and is slidably connected with the pulleys 111, and the first driving member 12 is used for driving the material pulling frame 101 and the sliding block 102 to slide relative to the connecting block 110. The material pulling frame 101 comprises two material pulling rods arranged on two sides of the first driving piece 12 respectively, the material pulling rods extend from the feed inlet 201 to the direction of the discharge outlet 202, the two end portions of the material pulling rods are connected through a connecting plate, the output shaft of the first driving piece 12 is connected with the connecting plate, the quantity of the sliding blocks 102 is two, the two sliding blocks 102 are respectively connected with one side of the two material pulling rods deviating from the first driving piece 12 in a one-to-one mode, the output shaft of the first driving piece 12 drives the connecting plate to drive the material pulling rods and the sliding block 102 to slide relative to the connecting block 110, the sliding blocks 102 and the connecting block 110 are connected through the pulley 111 set, and the friction resistance between the connecting block 110 and the sliding blocks 102 is reduced.

Specifically, feeding unit 21 includes support frame 210 and transport pole 211 subassembly, support frame 210 is fixed in and holds the chamber 200 in, transport pole 211 subassembly extends from feed inlet 201 to the direction of discharge gate 202, transport pole 211 subassembly includes two transport poles 211 that set up along the both sides interval of support frame 210, the mounting groove has been seted up on the transport pole 211, the extending direction of mounting groove is unanimous with the extending direction of transport pole 211, be provided with a plurality of gyro wheels 212 in the mounting groove, the extending direction interval arrangement that a plurality of gyro wheels 212 extended the mounting groove, each gyro wheel 212 rotates in the cell wall of mounting groove to be connected, and the outer fringe of each gyro wheel 212 exposes in the notch of mounting groove. A plurality of gyro wheels 212 homoenergetic in the mounting groove rotate relative material, not only can play the effect of auxiliary transport material, have improved conveying efficiency to reduce the frictional force between material and the conveying rod 211.

More specifically, one end of the material pulling frame 101 close to the feeding port 201 is provided with a material pulling block 103, and by arranging the material pulling block 103, the material pulling block 103 can abut against the material in the process of driving the material pulling frame 101 to withdraw by the first driving member 12, so that the material is prevented from falling off from the material pulling frame 101. Each conveying rod 211 is close to the relative work or material rest 210 of one end of feed end and stretches out feed inlet 201, and first driving piece 12 is used for driving material pulling frame 101 to stretch out feed inlet 201 in order to bear the weight of the material to drive material pulling frame 101 to withdraw, so that the one end that the material kept away from feed inlet 201 with draw material block 103 butt, draw material block 103 to promote material and conveying rod 211 to stretch out the gyro wheel 212 butt of feed inlet 201 and get into and hold in the chamber 200. The relative support frame 210 of one end that conveying rod 211 is close to the feed end stretches out feed inlet 201 to make the in-process that first driving piece 12 drive drawing frame 101 withdrawed, the material of placing in drawing frame 101 top can carry out the butt in the gyro wheel 212 of conveying rod 211 top, and make the material slide to conveying rod 211 top along gyro wheel 212, and enter into and hold chamber 200 in, the structure sets up rationally.

In addition, the invention further provides a material transporting system, which includes the feeding device 100, and since the material transporting system includes all technical solutions of the above embodiments, at least all beneficial effects brought by the technical solutions of the above embodiments are achieved, and are not described in detail herein.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A loading device, characterized in that, loading device includes:

the material pulling mechanism comprises a material pulling assembly, a base and a first driving piece, and the material pulling assembly is arranged above the base and is connected with the base in a sliding manner;

the feeding mechanism comprises a lifting frame and a feeding assembly, the lifting frame is arranged above the material pulling assembly, a containing cavity is formed by the lifting frame, a feeding port and a discharging port are formed at two opposite ends of the containing cavity, the feeding assembly is positioned in the containing cavity and connected with the lifting frame, the first driving piece is used for driving the material pulling assembly to extend out of the feeding port so as to bear materials, and driving the material pulling assembly to withdraw so that the materials enter the containing cavity from the feeding port and are placed above the feeding assembly;

2. The loading device according to claim 1, wherein the base frame comprises a frame body and a lifting frame arranged in the frame body, the transmission assembly comprises a first chain wheel, a second chain wheel and a chain, the first chain wheel is rotatably arranged at the top end of the frame body, the second chain wheel is rotatably arranged above the lifting frame, the chain is wound on the first chain wheel and the second chain wheel, two ends of the chain respectively form a fixed end and a connecting end, the fixed end is fixed on the frame body, the connecting end is connected with the lifting frame, and the second driving member is used for driving the lifting frame and the second chain wheel to descend or ascend so as to correspondingly drive the lifting frame and the feeding assembly to ascend or descend through the chain.

3. The loading device according to claim 2, wherein two guide rods are further arranged in the frame body, the two guide rods are respectively arranged at two ends of the lifting frame, the lifting frame comprises two cross rods which are vertically arranged at intervals, the two cross rods are connected through a connecting rod, two ends of each cross rod are respectively provided with a guide wheel assembly, and each guide wheel assembly is in sliding connection with each guide rod in a one-to-one correspondence manner.

4. The loading device as claimed in claim 3, wherein the guide wheel assembly comprises a fixed block and two guide wheels, the fixed block is fixed with the cross bar, the guide wheels are rotatably connected with the fixed block through a connecting shaft, and the two guide wheels are respectively arranged at two sides of the guide bar and are slidably connected with the guide bar.

5. The feeding device as claimed in claim 2, wherein a slide rail extending vertically is arranged on one side of the rack body opposite to the lifting frame, a slide block connected with the slide rail in a sliding manner is arranged on one side of the lifting frame opposite to the rack body, an installation lug is arranged on one side of the lifting frame opposite to the rack body, and the connection end is connected with the installation lug.

6. The loading device according to any one of claims 1 to 5, wherein the pulling assembly comprises a pulling frame and a sliding block which are connected with each other, the base is provided with a connecting block, one side of the connecting block opposite to the sliding block is provided with two rows of pulley blocks which are arranged at intervals up and down, the pulley blocks comprise a plurality of pulleys which are arranged at intervals from the feeding port to the discharging port, the sliding block is arranged between the two rows of the pulley blocks and is in sliding connection with the pulleys, and the first driving piece is used for driving the pulling frame and the sliding block to slide relative to the connecting block.

7. The loading device according to claim 6, wherein the feeding assembly includes a material holder and a conveying rod assembly, the material holder is fixed in the accommodating cavity, the conveying rod assembly extends from the feeding opening to the discharging opening, the conveying rod assembly includes two conveying rods spaced along two sides of the material holder, the conveying rods are provided with mounting grooves, the extending direction of the mounting grooves is consistent with the extending direction of the conveying rods, a plurality of rollers are arranged in the mounting grooves, the rollers are spaced along the extending direction of the mounting grooves, the rollers are rotatably connected to the walls of the mounting grooves, and the outer edges of the rollers are exposed out of the notches of the mounting grooves.

8. The loading device as claimed in claim 8, wherein an end of said puller adjacent to said feed inlet is provided with a puller block.

9. The loading device according to claim 8, wherein an end of each of the conveying rods near the feeding end extends out of the feeding hole relative to the material support frame, the first driving member is configured to drive the material pulling frame to extend out of the feeding hole to support the material, and drive the material pulling frame to retract, so that an end of the material away from the feeding hole abuts against the material pulling block, and the material pulling block pushes the material to abut against the roller of the conveying rod extending out of the feeding hole and enter the accommodating cavity.

10. A material handling system, characterized in that it comprises a loading device according to any one of claims 1-9.