CN113998461A

CN113998461A - Feeding structure

Info

Publication number: CN113998461A
Application number: CN202111538147.2A
Authority: CN
Inventors: 赵俊; 张玉蔚; 南阳; 瞿慧敏
Original assignee: Bozhon Precision Industry Technology Co Ltd
Current assignee: Suzhou Bozhong Intelligent Robot Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-02-01
Anticipated expiration: 2041-12-15
Also published as: CN113998461B

Abstract

The invention relates to the technical field of material loading, and discloses a loading structure, which comprises: a frame; the conveying assembly is arranged on the rack; the lifting component is arranged at the upstream of the conveying component, and can place the materials on the lifting component on the conveying component when the lifting component falls; the cleaning piece is erected on the rack and is positioned right above the conveying assembly; the positioning assembly is arranged on the rack and located at the downstream of the conveying assembly, the positioning assembly can push the material to a preset position along a first preset direction and a second preset direction, and the long edge of the material extends along the first preset direction and the wide edge extends along the second preset direction. The cleaning piece of the feeding structure disclosed by the invention can clean materials on the conveying assembly to remove dust on the surfaces of the materials, so that the appearance detection of the materials is facilitated, and the positioning assembly can move the materials to the preset position, so that the phenomenon that the materials are inclined is avoided, and the accuracy of the appearance detection of the materials is further improved.

Description

Feeding structure

Technical Field

The invention relates to the technical field of material feeding, in particular to a feeding structure.

Background

When carrying out outward appearance to the cell-phone and detecting, at first need rely on the feed structure to transport the cell-phone to preset the position, then remove the cell-phone to the assigned position and carry out outward appearance and detect, however, when current feed structure transported the cell-phone to low reaches position, the position at cell-phone place mostly squints preset position, is unfavorable for the outward appearance of cell-phone to detect, secondly, because there is the dust on the cell-phone surface in the course of working, is unfavorable for the outward appearance of cell-phone to detect equally.

Disclosure of Invention

Based on the above, the invention aims to provide a feeding structure, which solves the problem that the existing feeding structure cannot move a mobile phone to a preset position and dust exists on the surface of the mobile phone, so that appearance detection of the mobile phone is not facilitated.

In order to achieve the purpose, the invention adopts the following technical scheme:

a loading structure, comprising: a frame; the conveying assembly is arranged on the rack and used for conveying materials; the lifting assembly is arranged at the upstream of the conveying assembly, and the lifting assembly can place the materials on the lifting assembly on the conveying assembly when falling; the cleaning piece is erected on the rack and is positioned right above the conveying assembly, and the cleaning piece is used for cleaning the materials; locating component sets up in the frame and be located conveying component's low reaches, locating component can follow first direction of predetermineeing and the second direction of predetermineeing will the material pushes away to predetermineeing the position, just the long limit of material is followed first direction of predetermineeing extends, the broadside edge is predetermineeing to the second direction of extension, first direction of predetermineeing with the second is predetermine the direction perpendicular, the second is predetermine the direction and is done conveying component's direction of transfer.

As an optimal scheme of a feeding structure, a first limiting block and a second limiting block are respectively arranged on two opposite sides of the rack, and the first limiting block and the second limiting block are both positioned on two sides of the lifting assembly, and the distribution directions of the two sides of the lifting assembly and the conveying direction are perpendicular.

As a material loading structure's preferred scheme, lifting unit includes lift power spare and jacking piece, jacking piece sets up the output of lift power spare, be equipped with on the jacking piece and be used for placing the standing groove of material, the drive of lift power spare jacking piece with when the material downstream is to predetermineeing the height, the both ends of material can be taken and put on the conveying subassembly.

As a feeding structure's preferred scheme, locating component includes long limit positioning unit and long limit locating piece, long limit positioning unit can with a long limit butt of material, long limit positioning unit can with the material is followed the second is preset the direction and is promoted extremely another long limit of material with the laminating of long limit locating piece, just the long limit of material is followed first preset direction extends.

As a preferable aspect of the feeding structure, the long side positioning unit includes: a long-side power member; the rack is arranged at the output end of the long-edge power piece, and the long-edge power piece can drive the rack to move along the second preset direction; a gear engaged with the rack; the long-edge butt piece is arranged on the gear, the rack can drive the gear to drive the long-edge butt piece to rotate and push the material to move along the second preset direction until two long edges of the material are respectively abutted against the long-edge butt piece and the long-edge positioning block.

As an optimal scheme of the feeding structure, the positioning assembly comprises two short edge positioning units arranged on the rack, and the output ends of the two short edge positioning units can respectively push the material towards the direction close to each other along the first preset direction, so that the two short edges of the material are respectively abutted against the two short edge positioning units.

As a preferable aspect of the feeding structure, each of the short side positioning units includes: a short-side power element; one end of the connecting piece is connected with the output end of the short-side power piece; at least two buffering butt pieces, at least two buffering butt piece all sets up the other end of connecting piece just follows the direction distribution is predetermine to the second, the drive of minor face power piece connecting piece and at least two buffering butt piece are followed when the motion of first predetermined direction, every buffering butt piece all can with the minor face butt of material.

As a preferred scheme of a material loading structure, the material loading structure further comprises a camera located above the lifting assembly, and the camera is used for shooting the material on the lifting assembly.

As a preferred scheme of a feeding structure, the feeding structure further comprises a cleaning fixing support erected on the rack, the cleaning fixing support is provided with the cleaning piece, the cleaning piece is an ion wind rod, and the ion wind rod is arranged along a first preset direction.

As a preferred scheme of a material loading structure, the material loading structure further comprises a vacuum adsorption assembly for adsorbing the material, and the vacuum adsorption assembly can move along a third preset direction and a vertical direction.

The invention has the beneficial effects that: according to the feeding structure disclosed by the invention, the lifting assembly can enable the material placed on the lifting assembly to be placed on the conveying assembly, so that the conveying assembly can convey the material, the cleaning piece can clean the material on the conveying assembly to remove dust on the surface of the material, the appearance detection of the material is facilitated, the accuracy of the appearance detection of the material is improved, the positioning assembly at the downstream of the conveying assembly can push the material along the first preset direction and the second preset direction, the material is moved to the preset position, the long edge of the material extends along the first preset direction, and the wide edge extends along the second preset direction, so that the phenomenon that the material is inclined and askew is avoided, and the accuracy of the appearance detection of the material is further improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and 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 contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a schematic view of a loading configuration provided by an embodiment of the present invention;

FIG. 2 is a schematic view of a part of the structure of a feeding structure provided in an embodiment of the present invention in one direction;

fig. 3 is a schematic view of a part of the structure of the feeding structure in another direction according to the embodiment of the present invention.

In the figure:

1. a frame; 10. an abutment projection; 11. a first stopper; 12. a second limiting block; 13. cleaning the fixed bracket;

2. a transfer assembly; 21. a power transmission member; 22. a first pulley; 221. a connecting shaft; 23. a second pulley; 24. a third belt pulley; 25. a fourth belt pulley; 26. a fifth belt pulley; 27. a sixth belt pulley; 28. a seventh belt pulley; 29. a belt body;

3. a lifting assembly; 31. a lifting power member; 32. a jacking piece; 320. a placement groove;

4. a cleaning member;

51. a long side positioning unit; 511. a rack; 512. a gear; 513. a long-side abutting member; 52. a long-edge positioning block; 53. a short edge positioning unit; 531. a short-side power element; 532. a connecting member; 533. a buffer abutting member;

6. a camera;

7. a vacuum adsorption assembly; 71. a support frame; 72. a horizontal movement assembly; 73. a vertical movement assembly; 74. a suction claw body;

100. and (3) feeding.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment provides a feeding structure, as shown in fig. 1 to 3, the feeding structure includes a frame 1, a conveying assembly 2, a lifting assembly 3, a cleaning member 4 and a positioning assembly, the conveying assembly 2 is disposed on the frame 1, the conveying assembly 2 is used for conveying a material 100, the lifting assembly 3 is disposed at an upstream of the conveying assembly 2, the lifting assembly 3 can place the material 100 on the conveying assembly 2 when falling, the cleaning member 4 is erected on the frame 1 and located right above the conveying assembly 2, the cleaning member 4 is used for cleaning the material 100, the positioning assembly is disposed on the frame 1 and located at a downstream of the conveying assembly 2, the positioning assembly can push the material 100 to a preset position along a first preset direction and a second preset direction, a long side of the material 100 extends along the first preset direction, a wide side extends along the second preset direction, the first preset direction is perpendicular to the second preset direction, the second predetermined direction is the transport direction of the transport module 2.

Specifically, the material 100 of this embodiment is a mobile phone, the first preset direction is a width direction of the rack 1, and the second preset direction is a length direction of the rack 1, that is, the conveying assembly 2 transports the mobile phone along the length direction of the rack 1.

The feed structure that this embodiment provided, lifting unit 3 can make the material 100 of placing on it take and put on conveying unit 2, thereby make conveying unit 2 transport material 100, cleaning member 4 can clean the dust in order to get rid of material 100 surface to material 100 on conveying unit 2, thereby be favorable to the outward appearance detection of material 100, the rate of accuracy that the outward appearance of material 100 detected has been improved, conveying unit 2 low reaches locating component can be followed first preset direction and second and predetermine direction promotion material 100, make material 100 move to the first preset direction extension of long border that predetermines position and material 100, the broadside extends along the second preset direction, thereby material 100 has been avoided appearing oblique askew phenomenon, the rate of accuracy that the outward appearance of material 100 detected has further been improved.

As shown in fig. 1, the feeding structure of the present embodiment further includes a camera 6 located above the lifting assembly 3, and the camera 6 is used for shooting the material 100 on the lifting assembly 3. Because the material 100 of this embodiment is a mobile phone, the back of the mobile phone needs to be detected first during detection, and therefore it needs to be determined that the back of the mobile phone placed on the lifting assembly 3 faces upward, the placing direction of the mobile phone can be determined by a picture of the mobile phone taken by the camera 6, and once the front of the mobile phone faces upward, the mobile phone is turned over manually, so that it is ensured that the back of each mobile phone placed on the lifting assembly 3 faces upward.

As shown in fig. 1, the feeding structure of the present embodiment further includes a vacuum adsorption assembly 7 for adsorbing the material 100, and the vacuum adsorption assembly 7 is capable of moving along a third preset direction and a vertical direction. Specifically, the third preset direction of this embodiment is the same as the first preset direction, the vacuum adsorption assembly 7 includes a support frame 71, a horizontal movement assembly 72, a vertical movement assembly 73 and a suction claw body 74, the horizontal movement assembly 72 is disposed on the support frame 71 and can drive the vertical movement assembly 73 to horizontally move along the third preset direction, the suction claw body 74 is fixed at the output end of the vertical movement assembly 73, the vertical movement assembly 73 can drive the suction claw body 74 to move along the vertical direction, and the material 100 can be grabbed and moved. In other embodiments, the third preset direction may also be another direction different from the first preset direction, and is specifically set according to actual needs.

As shown in fig. 2, the two opposite sides of the frame 1 of this embodiment are respectively provided with a first limiting block 11 and a second limiting block 12, the first limiting block 11 and the second limiting block 12 are both located at two sides of the lifting assembly 3, and the distribution directions of the first limiting block and the second limiting block are perpendicular to the conveying direction. First stopper 11 and second stopper 12 are close to all being equipped with the butt arch 10 on each other's the side, and the surface that the butt arch 10 can contact with material 100 comprises smooth connection's cambered surface and plane in proper order, and this kind of setting has avoided damaging material 100 and has caused the secondary damage when first stopper 11 and second stopper 12 contact with material 100.

As shown in fig. 2, the lifting assembly 3 of this embodiment includes a lifting power member 31 and a jacking member 32, the jacking member 32 is disposed at an output end of the lifting power member 31, a placing groove 320 for placing the material 100 is disposed on the jacking member 32, and when the lifting power member 31 drives the jacking member 32 and the material 100 to move downwards to a preset height, two ends of the material 100 can be placed on the conveying assembly 2. Specifically, firstly, an operator places the material 100 in the placing groove 320, and both ends of the material 100 extend out of the jacking pieces 32, and at this time, the material 100 and the jacking pieces 32 are both located right above the conveying assembly 2; next, the camera 6 photographs the material 100 to ensure that the back of the material 100 faces upward; then, the lifting power part 31 drives the jacking part 32 and the material 100 to fall downwards, when the lifting power part 31 drives the jacking part 32 and the material 100 to move downwards to a preset height, two ends of the material 100 are placed on the conveying component 2, at the moment, the lifting power part 31 drives the jacking part 32 to continue falling, and the jacking part 32 is separated from the material 100.

As shown in fig. 2, the positioning assembly of the present embodiment includes a long-side positioning unit 51 and a long-side positioning block 52, the long-side positioning unit 51 can abut against one long side of the material 100, the long-side positioning unit 51 can push the material 100 to the position where the other long side of the material 100 is attached to the long-side positioning block 52 along the second preset direction, and the long side of the material 100 extends along the first preset direction.

Specifically, as shown in fig. 2, the long-side positioning unit 51 includes a long-side power member (not shown in the figure), a rack 511, a gear 512, and a long-side abutting member 513, where the rack 511 is disposed at an output end of the long-side power member, the long-side power member can drive the rack 511 to move along a second preset direction, the gear 512 is engaged with the rack 511, the long-side abutting member 513 is disposed on the gear 512, and the rack 511 can drive the gear 512 to drive the long-side abutting member 513 to rotate and push the material 100 to move along the second preset direction until two long sides of the material 100 abut against the long-side abutting member 513 and the long-side positioning block 52, respectively.

Further, the long-side power member of this embodiment is an air cylinder, the long-side power member can push the rack 511 to move along the second preset direction, and the gear 512 is engaged with the rack 511, so the rack 511 can drive the gear 512 to drive the long-side abutting member 513 to rotate, along with the rotation of the long-side abutting member 513, the long-side abutting member 513 can abut against one long side of the material 100 and push the material 100 to move towards the direction close to the long-side positioning block 52, so that the other long side of the material 100 abuts against the long-side positioning block 52, at this time, the distance between the long-side abutting member 513 and the long-side positioning block 52 is the same as the width of the material 100, and the material 100 is located between the long-side abutting member 513 and the long-side positioning block 52.

As shown in fig. 2, the positioning assembly of this embodiment further includes two short-side positioning units 53 disposed on the frame 1, and output ends of the two short-side positioning units 53 are capable of pushing the material 100 toward a direction close to each other along a first preset direction, respectively, so that two short sides of the material 100 are abutted to the two short-side positioning units 53, respectively.

Specifically, as shown in fig. 2, each short-side positioning unit 53 includes a short-side power member 531, a connecting member 532, and two buffer abutting members 533, wherein one end of the connecting member 532 is connected to an output end of the short-side power member 531, the two buffer abutting members 533 are disposed at the other end of the connecting member 532 and distributed along a second preset direction, and when the short-side power member 531 drives the connecting member 532 and the at least two buffer abutting members 533 to move along the first preset direction, each buffer abutting member 533 can abut against the short side of the material 100.

Further, the short-side power member 531 of this embodiment is a cylinder, the buffer abutting member 533 includes an installation shaft fixedly disposed on the connection member 532, an installation wheel fixedly disposed on the installation shaft, and a buffer sleeve disposed on the installation wheel in a sleeving manner, the buffer sleeve can avoid scratching the material 100, and prevent secondary damage to the material 100, and the buffer sleeve is a rubber sleeve. The short-side power member 531 can drive the connecting member 532 and the two buffer abutments 533 to move along the first preset direction, as the output end of the short-side power member 531 of one short-side positioning unit 53 moves towards the direction approaching the material 100 until the two buffer abutments 533 of the short-side positioning unit 53 move the material 100 to the designated position, and then the short-side power member 531 of the other short-side positioning unit 53 moves the connecting member 532 and the two buffer abutments 533 of the short-side positioning unit 53 towards the direction approaching the material 100, the two buffer abutments 533 of the short-side positioning unit 53 can push the material 100 to move along the first preset direction until the length of the buffer abutments 533 of the two short-side positioning units 53 along the first preset direction is equal to the width of the material 100, so that the material 100 is located between the two short-side positioning units 53.

As shown in fig. 2, the feeding structure of this embodiment further includes a cleaning fixing support 13 erected on the frame 1, a cleaning member 4 is disposed on the cleaning fixing support 13, the cleaning member 4 is an ion wind rod, and the ion wind rod is disposed along a first preset direction, that is, the ion wind rod is disposed along a width direction of the frame 1.

As shown in fig. 3, the transmission assembly 2 of the present embodiment includes a transmission power component 21, two pulley sets and two belt bodies 29, the two pulley sets are respectively disposed on two inner side surfaces of the frame 1, as shown in fig. 3, each pulley set includes a first pulley 22, a second pulley 23, a third pulley 24, a fourth pulley 25, a fifth pulley 26, a sixth pulley 27 and a seventh pulley 28, each belt body 29 is sequentially wound on the first pulley 22, the second pulley 23, the third pulley 24, the fourth pulley 25, the fifth pulley 26, the sixth pulley 27 and the seventh pulley 28 of one pulley set, the first pulleys 22 of the two pulley sets are in transmission connection through a connection shaft 221, that is, two ends of the connection shaft 221 are respectively fixedly connected to the two first pulleys 22, the transmission power component is a motor, the motor can drive one first pulley 22 to rotate so that the other first pulley 22 rotates synchronously therewith, and the two belts convey the material 100 at the same speed.

Specifically, the action process of the feeding structure of the embodiment is as follows:

an operator places the material 100 in the placing groove 320, and both ends of the material 100 extend out of the jacking pieces 32, and at the moment, the material 100 and the jacking pieces 32 are both positioned right above the conveying assembly 2;

the camera 6 photographs the material 100 to ensure that the back of the material 100 faces upward;

the lifting power part 31 drives the jacking part 32 and the material 100 to fall downwards, when the lifting power part 31 drives the jacking part 32 and the material 100 to move downwards to a preset height, two ends of the material 100 are placed on the conveying component 2, at the moment, the lifting power part 31 drives the jacking part 32 to continue to fall, and the jacking part 32 is separated from the material 100;

the short-side power member 531 of one short-side positioning unit 53 drives the connecting member 532 and the two buffering abutting members 533 to move towards the direction close to the material 100 along the first preset direction until the short-side power member 531 moves the two buffering abutting members 533 and the material 100 to the specified position;

the short-side power member 531 of the other short-side positioning unit 53 moves the connecting member 532 and the two buffer abutting members 533 toward the direction approaching the material 100, and the two buffer abutting members 533 of the short-side positioning unit 53 push the material 100 to move along the first preset direction until the length of the buffer abutting members 533 of the two short-side positioning units 53 along the first preset direction is the same as the width of the material 100;

the long-edge power part pushes the rack 511 to move along a second preset direction, the rack 511 drives the gear 512 to drive the long-edge abutting part 513 to rotate, the long-edge abutting part 513 abuts against one long edge of the material 100 and pushes the material 100 to move towards the direction close to the long-edge positioning block 52, so that the other long edge of the material 100 abuts against the long-edge positioning block 52, and the distance between the long-edge abutting part 513 and the long-edge positioning block 52 is the same as the width of the material 100;

the vertical moving assembly 73 drives the suction claw body 74 to move downwards to be attached to the upper surface of the material 100, and the suction claw body 74 adsorbs the material 100;

after the vertical moving assembly 73 drives the suction claw body 74 to drive the material 100 to move upwards to a certain height, the horizontal moving assembly 72 drives the vertical moving assembly 73, the suction claw body 74 and the material 100 to loosen the material 100 after moving to a specific position along a third preset direction, so that the material 100 is placed on the detection equipment, and the detection equipment detects the appearance of the material 100.

It should be noted that the action process of the feeding structure of the present invention is not limited to the above limitation, and can be adjusted according to actual needs, which is not described herein again.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A feeding structure, comprising:

a frame (1);

the conveying assembly (2) is arranged on the rack (1), and the conveying assembly (2) is used for conveying materials (100);

the lifting assembly (3) is arranged at the upstream of the conveying assembly (2), and the lifting assembly (3) can place the materials (100) on the lifting assembly on the conveying assembly (2) when falling;

a cleaning member (4) mounted on the frame (1) and located directly above the conveyor assembly (2), the cleaning member (4) being configured to clean the material (100);

locating component sets up just be located in frame (1) the low reaches of conveying component (2), locating component can follow first direction of predetermineeing and second and predetermine the direction will material (100) are pushed away to preset position, just the long limit of material (100) is followed first direction of predetermineeing extends, the broadside edge is predetermine to the second the direction extends, first direction of predetermineeing with the second is predetermine the direction perpendicular, the second is predetermine the direction and is done the direction of transfer of conveying component (2).

2. The feeding structure according to claim 1, characterized in that a first limiting block (11) and a second limiting block (12) are respectively arranged on two opposite sides of the frame (1), the first limiting block (11) and the second limiting block (12) are both located on two sides of the lifting assembly (3), and the distribution directions of the first limiting block and the second limiting block are perpendicular to the conveying direction.

3. The feeding structure according to claim 1, characterized in that the lifting assembly (3) comprises a lifting power member (31) and a jacking member (32), the jacking member (32) is arranged at the output end of the lifting power member (31), a placing groove (320) for placing the material (100) is arranged on the jacking member (32), and when the lifting power member (31) drives the jacking member (32) and the material (100) to move downwards to a preset height, two ends of the material (100) can be placed on the conveying assembly (2).

4. The feeding structure of claim 1, wherein the positioning assembly comprises a long edge positioning unit (51) and a long edge positioning block (52), the long edge positioning unit (51) can be abutted to one long edge of the material (100), the long edge positioning unit (51) can push the material (100) to the position where the other long edge of the material (100) is attached to the long edge positioning block (52) along the second preset direction, and the long edge of the material (100) extends along the first preset direction.

5. A feeding structure, as set forth in claim 4, characterized in that the long side positioning unit (51) comprises:

a long-side power member;

the rack (511) is arranged at the output end of the long-edge power piece, and the long-edge power piece can drive the rack (511) to move along the second preset direction;

a gear (512) engaged with the rack (511);

the long-edge abutting piece (513) is arranged on the gear (512), the rack (511) can drive the gear (512) to drive the long-edge abutting piece (513) to rotate and push the material (100) to move along the second preset direction until two long edges of the material (100) abut against the long-edge abutting piece (513) and the long-edge positioning block (52) respectively.

6. A feeding arrangement according to claim 1, characterized in that the positioning assembly comprises two short edge positioning units (53) arranged on the frame (1), the output ends of the two short edge positioning units (53) being able to push the material (100) towards each other in the first preset direction, respectively, so that the two short edges of the material (100) abut against the two short edge positioning units (53), respectively.

7. A loading structure according to claim 6, characterised in that each said short side positioning unit (53) comprises:

a short-side power member (531);

one end of the connecting piece (532) is connected with the output end of the short-side power piece (531);

at least two buffering butt parts (533), at least two buffering butt parts (533) all set up the other end of connecting piece (532) and follow the second is predetermine the direction and is distributed, short side power component (531) drive connecting piece (532) and at least two when buffering butt part (533) are followed the motion of first predetermined direction, every buffering butt part (533) all can with the short side butt of material (100).

8. A loading structure according to claim 1, characterized in that it further comprises a camera (6) above the lifting assembly (3), said camera (6) being adapted to photograph the material (100) on the lifting assembly (3).

9. The feeding structure according to claim 1, characterized in that the feeding structure further comprises a cleaning fixing support (13) erected on the machine frame (1), the cleaning piece (4) is arranged on the cleaning fixing support (13), the cleaning piece (4) is an ion wind rod, and the ion wind rod is arranged along the first preset direction.

10. A loading structure according to claim 1, characterized in that it further comprises a vacuum suction assembly (7) for sucking said material (100), said vacuum suction assembly (7) being movable along a third preset direction and a vertical direction.