CN218201046U - Automatic feeding device for industrial automatic production line - Google Patents

Abstract

The utility model provides an industrial automation is automatic feeding device for production line, including main part and robotic arm, material loading subassembly, the storage assembly that has at least one activity degree of freedom, robotic arm fixes the upper surface in the main part, and mutually supports with material loading subassembly, acquires the material of treating processing that is arranged in the material loading subassembly and places in follow-up processing station department, and the storage assembly is located the low reaches of material loading subassembly for accomodate vacant tray, the utility model discloses optimized industrial automation production line, very big reduction the human cost when improving work efficiency.

Description

Automatic feeding device for industrial automatic production line

Technical Field

The utility model relates to an automatic feeding device, in particular to automatic feeding device for industrial automation line.

Background

The industrial automatic production line is a production organization form for realizing the product technological process by an automatic machine system, and is formed on the basis of the further development of a continuous production line; the method is characterized in that: the processing object is automatically transferred from one machine tool to another machine tool, and the machine tool automatically processes, loads, unloads, checks and the like; workers only adjust, supervise and manage the automation line and do not participate in direct operation; all the machine equipment runs according to a uniform beat, the production process is highly continuous, and the products produced by adopting an automatic line have enough yield; the product design and process should be advanced, stable, reliable, and remain substantially unchanged for a longer period of time. The automatic line is adopted in large-scale and large-scale production, so that the labor productivity can be improved, the product quality can be stabilized and improved, the labor condition can be improved, the production floor area can be reduced, the production cost can be reduced, the production period can be shortened, the production balance can be ensured, and the obvious economic benefit can be realized.

Industrial automation line is in the automated production in-process, generally is to place the material in the tray by the staff in unison, and then material loading attachment is with the material in the tray send to automatic production line in the processing, among the prior art, because the material is not of uniform size, a small amount of material can only be deposited sometimes to the tray, need the staff frequently to change the tray reinforced, wastes time and energy, has increased staff's intensity of labour.

SUMMERY OF THE UTILITY MODEL

The utility model discloses based on such background, a industrial automation is automatic feeding device for production line is provided to solve the technical problem who mentions in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: an automatic feeding device for an industrial automatic production line comprises a main body, a mechanical arm with at least one degree of freedom of movement and a feeding assembly, wherein the mechanical arm is fixed on the upper surface of the main body and is matched with the feeding assembly to obtain a material to be processed in the feeding assembly and place the material at a subsequent processing station,

the feeding assembly comprises at least one tray for placing materials to be processed, wherein if the number of the trays is two or more, the trays are coupled in a superposition mode;

specifically, the automatic feeding device further comprises a receiving assembly, the receiving assembly is located at the downstream of the feeding assembly and used for receiving the empty tray, the feeding assembly is connected with the receiving assembly in a matched mode through a first driving piece, and the first driving piece is used for moving the empty tray on the feeding assembly to the receiving assembly.

In a preferred embodiment, the upper surface of the main body is also fixedly provided with a positioning die.

In one embodiment, the output end of the mechanical arm is provided with a first suction cup, and the first suction cup is connected with a first vacuum pump through a first suction pipe.

In a preferred embodiment, the first driving part comprises a rodless cylinder, a sliding table cylinder and a fixing plate, the sliding table cylinder is fixed at the movable end of the rodless cylinder, the fixing plate is fixed at the movable end of the sliding table cylinder, a second suction cup is arranged below the fixing plate, and the second suction cup is connected with a second vacuum pump through a second suction tube.

In a preferred embodiment, at least one pair of clamping devices is fixedly arranged on the upper surface of the main body, each pair of clamping devices is distributed on the opposite sides of the feeding assembly in a symmetrical mode, and the movable end of each pair of clamping devices acts on a tray located on the feeding assembly.

In a preferred embodiment, the upper surface of the main body is provided with an opening, and the feeding assembly and the receiving assembly are fixed in the main body along the vertical direction of the opening;

specifically, the feeding assembly comprises a second driving part and a first material frame, wherein the second driving part is fixed in the main body, the movable end of the second driving part is fixedly connected with the first material frame so as to drive the first material frame to move in the vertical direction, and the first material frame is used for placing a tray;

specifically, the storage assembly comprises a third driving part and a second material frame, wherein the third driving part is fixed inside the main body, the movable end of the third driving part is fixedly connected with the second material frame to drive the second material frame to move in the vertical direction, and the second material frame is used for storing vacant trays.

In a preferred embodiment, the feeding assembly and the receiving assembly respectively further include at least one guide column, the lower end of each guide column is fixedly connected in the main body, and the upper end of each guide column penetrates through the first material frame and the second material frame respectively.

In a preferred embodiment, the side of the main body is provided with an openable door structure;

specifically, the first material rack comprises a first bottom plate and a first connecting plate, wherein a first sliding rail is fixedly connected above the first bottom plate, a first sliding block is fixedly connected below the first connecting plate, the first sliding block is connected to the first sliding rail in a sliding manner, the first connecting plate is provided with a first handle, and the arrangement direction of the first handle and the sliding direction of the first connecting plate face to the door opening structure;

specifically, the second rack comprises a second bottom plate and a second connecting plate, wherein a second sliding rail is fixedly connected above the second bottom plate, a second sliding block is fixedly connected below the second connecting plate, the second sliding block is slidably connected to the second sliding rail, the second connecting plate is provided with a second handle, and the arrangement direction of the second handle and the sliding direction of the second connecting plate face the door opening structure;

in a preferred embodiment, the upper surface of the tray is provided with at least one placing groove for storing materials to be processed and at least one concave part, the lower surface of the tray is provided with convex parts which correspond to the concave parts one by one, and when two or more trays are stacked, the convex parts of the tray positioned relatively above are embedded into the concave parts of the tray positioned relatively below.

In a preferred embodiment, the protective cover is fixed on the upper portion of the main body, the mechanical arm, the feeding assembly, the receiving assembly and the positioning mold are all located inside the protective cover, and casters and the foot cups are mounted on the lower portion of the main body, wherein one caster and one foot cup are divided into a group, and four groups of casters and four groups of foot cups are respectively mounted on four corners of the lower portion of the main body.

The application provides an industrial automation is automatic feeding device for production line, the workman only needs to treat that the processing material is placed in the tray department of material loading subassembly, a plurality of trays are with mutual superimposed mode coupling, afterwards, the manipulator arm changes to directly over the tray, in order to snatch or absorb the mode such as acquire the material of treating in the material loading subassembly and place in follow-up processing station department, the material of treating processing that is arranged in material loading subassembly upper tray is used up, at this moment, the vacant tray of first driving piece drive removes to storage assembly department, expose the second floor tray, repeat this process so, industrial automation has been optimized, when improving work efficiency very big reduction human cost.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is an internal structure view of an embodiment of the present invention;

fig. 2 is a perspective view of the robot arm according to the embodiment of the present invention;

fig. 3 is a first driving member structure view according to the embodiment of the present invention;

fig. 4 is a second frame structure diagram of the second driving member, the first frame and the third driving member according to the embodiment of the present invention;

FIG. 5 is a structural diagram of the first and second racks of the embodiment of the present invention

FIG. 6 is a perspective view of an embodiment of the present invention

FIG. 7 is a perspective view of a tray according to an embodiment of the present invention

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically, electrically or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

As shown in fig. 1, in the embodiment of the present invention, an automatic feeding device for industrial automation production line includes a main body 1, and a mechanical arm 2 and a feeding assembly 3 having at least one degree of freedom in movement, the mechanical arm is fixed on the upper surface of the main body, and is mutually matched with the feeding assembly, to obtain a material to be processed in the feeding assembly 3 and place the material in a subsequent processing station, the feeding assembly 3 includes at least one tray 6 for placing the material to be processed, wherein, if the trays 6 are two or more, the trays 6 are coupled in a stacked manner, the automatic feeding device further includes a receiving assembly 4, the receiving assembly 4 is located at the downstream of the feeding assembly 3 and is used for receiving an empty tray 6, wherein, the feeding assembly 3 is matched and connected with the receiving assembly 4 through a first driving member 5, and the first driving member 5 is used for moving the empty tray 6 on the feeding assembly 3 to the receiving assembly 4.

This automatic feeding device is applicable to partial industrial automation line, the workman only needs to treat that the processing material is placed in the tray 6 department of material loading subassembly, a plurality of trays 6 are with mutual superimposed mode coupling, afterwards, robotic arm 2 changes directly over tray 6, in order to snatch or absorb the mode such as acquire the material of treating in material loading subassembly 3 and place in follow-up processing station department, the material of treating that is arranged in material loading subassembly 4 upper tray 6 is used up, at this moment, the empty tray 6 of first driving piece 5 drive removes to accomodating subassembly 4 department, expose second floor tray 6, so repeat this process, industrial automation line has been optimized, the very big human cost that has reduced when improving work efficiency.

To further improve the universality, in an embodiment, the robot arm 2 has four degrees of freedom, as shown in fig. 2, that is, the support plate 21 and the swing arm 22 can rotate horizontally, and the swing post 23 can move in the vertical direction and can also rotate horizontally. Each degree of freedom of the mechanical arm 2 can enable the mechanical arm to accurately grab and/or suck the materials to be processed on the tray 6 of the feeding assembly 4 according to a preset rotating angle and/or displacement distance.

To further enhance the practicability, as shown in fig. 1, in a preferred embodiment, a positioning mold 7 is fixedly mounted on the upper surface of the main body 1.

Generally, robotic arm 2 obtains placing subsequent processing station after waiting to process the material, but if subsequent processing station requires highly to the position precision of placing, this moment, because mechanical error's the reason, wait to process the material and have skew when being located robotic arm 2 with preset position state, cause the precision not enough, influence the work of subsequent processing station.

This setting of positioning die 7 is arranged in waiting to process the material location on robotic arm 2 to promote its precision, robotic arm 2 is at first placed positioning die 7 after acquireing waiting to process the material, and robotic arm 2 reachs after the location in positioning die 7, then places in follow-up machining station again, in order to satisfy follow-up machining station precision.

In a preferred embodiment, as shown in fig. 1, a first suction cup 8 is installed at an output end of the mechanical arm 2, the first suction cup 8 is connected to a first vacuum pump (not shown) through a first suction pipe (not shown), specifically, the first suction cup 8 is fixedly connected to the rotary column 23, the first suction cup 8 can move up and down and/or horizontally rotate along with the rotary column 23, when the mechanical arm 2 sucks a material to be processed located in the feeding assembly, the first suction cup 8 moves to a position right above the material to be processed through a preset rotation angle of the support plate 21 and the rotary arm 22, the rotary column 23 moves down by a preset distance, and the rotary column 23 rotates by a preset angle to attach the first suction cup 8 to the material to be processed, and the first vacuum pump operates, so that the first suction cup 8 sucks the material to be processed.

In a preferred embodiment, as shown in fig. 3, the first driving component 5 includes a rodless cylinder 51, a slide cylinder 52, and a fixing plate 53, the slide cylinder 52 is fixed at the movable end of the rodless cylinder 51, the fixing plate 53 is fixed at the movable end of the slide cylinder 52, a second suction cup 54 is disposed below the fixing plate 53, the second suction cup 54 is connected to a second vacuum pump (not shown) through a second suction tube (not shown), the movable end of the rodless cylinder 51 can reciprocate along a horizontal direction, the movable end of the slide cylinder 52 can reciprocate along a vertical direction, the slide cylinder 52 and the rodless cylinder 51 cooperate with each other, so that the fixing plate 53 fixed at the movable end of the slide cylinder 52 can move up and down and can move horizontally, in actual work, when the material to be processed on the tray 6 on the upper layer of the loading assembly 4 runs out, the rodless cylinder 51 drives the fixing plate 53 to move horizontally to a position directly above the tray 6 of the loading assembly 3, and the rear slide cylinder 52 drives the fixing plate 53 to drive the fixing plate 53 to approach the tray 6, so that the second suction cup 54 fits the tray 6, the second vacuum pump works, and the empty tray 6 is placed on the same principle as the empty tray 4, and the empty tray 6 is placed on the same position where the second suction cylinder 52 and the empty tray 4 is not matched with the loading assembly (the empty tray 4).

In a preferred embodiment, as shown in fig. 1, at least one pair of clamping devices 9 is fixedly mounted on the upper surface of the main body 1, each pair of clamping devices 9 is symmetrically distributed on the opposite side of the feeding assembly 3, and the movable end of each pair of clamping devices 9 acts on the tray 6 of the feeding assembly 3, specifically, two pairs of clamping devices 9 are shown in fig. 1, each pair is symmetrically distributed on the opposite side of the feeding assembly 3, the movable end of each pair of clamping devices 9 is close to each other when the robot arm 2 obtains the material to be processed in the tray 6 of the feeding assembly 3, the tray 6 is fixed to prevent deviation, the movable ends of each pair of clamping devices 9 are far away from each other when the first driving element 5 moves the empty tray 6, the empty tray 6 is not limited to facilitate movement, and the clamping devices 9 are pneumatic sliding tables.

In a preferred embodiment, as shown in fig. 3 in combination with fig. 1, an opening is formed in an upper surface of the main body 1, and the feeding assembly 3 and the receiving assembly 4 are fixed inside the main body along a vertical direction of the opening, specifically:

the feeding assembly 3 comprises a second driving member 31 and a first material frame 32, wherein the second driving member 31 is fixed inside the main body 1, the movable end of the second driving member is fixedly connected with the first material frame 32 so as to drive the first material frame 32 to move in the vertical direction, and the first material frame 32 is used for placing the tray 6.

The storage assembly 4 comprises a third driving member 41 and a second material frame 42, wherein the third driving member 41 is fixed inside the main body, the movable end of the third driving member is fixedly connected with the second material frame 42 so as to drive the second material frame 42 to move in the vertical direction, and the second material frame 42 is used for storing the empty tray 6.

As mentioned above, the first stack 32 is used to place the trays 6, when there are two or more trays 6, the trays are coupled in a stacked manner, the stacked trays 6 are placed on the first stack 32, it should be noted that, here, the tray 6 is located on the first stack 32, the tray 6 has the material to be processed, after that, when the material of the uppermost tray 6 is used up, the empty tray 6 is moved to the receiving component 4, the original second-layer tray 6 becomes the uppermost layer, and then the second driving component 31 drives the first stack 32 to move up, so that the uppermost tray 6 at the first stack 32 returns to the original initial position, and when the empty tray 6 is received by the opposite second stack 42, the third driving component 41 drives the second material 42 to move down, so that the uppermost tray 6 at the second stack 42 returns to the original initial position.

The second driving element 31 and the third driving element 41 are both motor back-mounted ball screw sliding tables;

in a further preferred embodiment, as shown in fig. 4, the loading assembly 3 and the receiving assembly 4 further include at least one first guiding column 33 and one second guiding column 43, the lower ends of the first guiding column 33 and the second guiding column 43 are fixedly connected in the main body 1 (not shown), the upper ends of the first guiding column 33 and the second guiding column 43 respectively penetrate through the first material frame 32 and the second material frame 42, and the first guiding column 33 and the second guiding column 43 are respectively used for limiting the first material frame 32 and the second material frame 42, so as to prevent the first material frame 32 and the second material frame 42 from shifting when moving up and down.

To further increase the utility, in a further preferred embodiment, as shown in fig. 4 to 6, the main body 1 is laterally provided with an openable door structure.

The first rack 32 includes a first bottom plate 321 and a first connecting plate 322, wherein a first slide rail 323 is fixedly connected above the first bottom plate 321, a first slider 324 is fixedly connected below the first connecting plate, the first slider 324 is slidably connected to the first slide rail 323, the first connecting plate 322 is provided with a first handle 325, and the setting direction of the first handle 325 and the sliding direction of the first connecting plate 322 both face the door opening structure.

The second rack 42 includes a second bottom plate 421 and a second connecting plate 422, wherein the second bottom plate 421 is fixedly connected to a second slide rail 423, the second connecting plate is fixedly connected to a second slider 424, the second slider 424 is slidably connected to the second slide rail 423, the second connecting plate 422 is provided with a second handle 425, and the setting direction of the second handle 425 and the sliding direction of the second connecting plate 422 both face the door opening structure.

The utility model discloses before work, need artificial will treat during the processing material puts into tray 6, can be according to particular case simultaneously, stack a plurality of trays 6 together, then place tray 6 on first connecting plate 322, as aforementioned say, first connecting plate 322 can slide for first bottom plate 321, and first connecting plate 322 is equipped with the first in command 325, therefore, can pull out body 1 earlier first connecting plate 322 through the first in command 325 when placing tray 6 outside, the first connecting plate 325 that will be equipped with tray 6 again impels in body 1 after placing tray 6.

Similarly, the second connecting plate 422 is used for placing the empty tray 6, and the operation principle of taking out the tray 6 on the second connecting plate 422 is the same as that described above and will not be described herein again.

In a preferred embodiment, as shown in fig. 7, the upper surface of the tray 6 has a plurality of placing grooves 61 and a plurality of concave portions 62 which are distributed in order for storing the materials to be processed, and the lower surface has convex portions (not shown) which correspond to the concave portions one by one, when two or more trays are stacked, the convex portions of the tray above are embedded into the concave portions 62 of the tray below, when the size of the materials to be processed is smaller, the tray 6 is provided with a plurality of placing grooves 61, which can reduce the frequency of manually placing the tray 6 and increase the automation efficiency, it should be noted that after the first suction cup 8 sucks the 1 st material to be processed which is located in the placing groove 61, the first suction cup 8 can adjust the displacement and the rotation angle thereof according to the preset value, and suck the 2 nd and 3 rd materials to be processed in turn, and in addition, the combination of the convex portions and the concave portions when the trays 6 are stacked can make the stacking more stable.

In a preferred embodiment, the protection casing 11 is fixed on the upper portion of the main body 1, the mechanical arm 2, the feeding assembly 3, the storage assembly 4, the first driving member 5 and the positioning mold 7 are all located inside the protection casing 11, the casters 12 and the foot cups 13 are installed on the lower portion of the main body 1, wherein one caster 12 and one foot cup 13 are divided into a group, four groups of casters 12 and four groups of foot cups 13 are respectively installed on four corners of the lower portion of the main body 1, the protection casing 11 prevents workers from being damaged by mistakenly touching the protection casing during operation, and the cooperation of the casters 12 and the foot cups 13 can facilitate assembly and adjustment of a production line.

In the description of the present specification, reference to the description of "one embodiment", "certain embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides an industrial automation is automatic feeding device for production line, includes main part and robotic arm, the material loading subassembly that has at least one activity degree of freedom, robotic arm fixes the upper surface in the main part, and mutually supports with the material loading subassembly, acquires the material of treating that is arranged in the material loading subassembly and places in follow-up processing station department, its characterized in that:

the feeding assembly comprises at least one tray for placing materials to be processed, wherein if the number of the trays is two or more, the trays are coupled in a superposition mode;

the automatic feeding device further comprises a storage assembly, the storage assembly is located at the downstream of the feeding assembly and used for storing the vacant trays, the feeding assembly is connected with the storage assembly in a matched mode through a first driving piece, and the first driving piece is used for moving the vacant trays on the feeding assembly to the storage assembly.

2. The automatic feeding device according to claim 1, wherein a positioning mold is further fixedly mounted on the upper surface of the main body.

3. The automatic feeding device according to claim 1, wherein the output end of the mechanical arm is provided with a first suction cup, and the first suction cup is connected with a first vacuum pump through a first suction pipe.

4. The automatic feeding device according to claim 1, wherein the first driving member comprises a rodless cylinder, a sliding table cylinder and a fixing plate, the sliding table cylinder is fixed at the movable end of the rodless cylinder, the fixing plate is fixed at the movable end of the sliding table cylinder, a second suction cup is arranged below the fixing plate, and the second suction cup is connected with a second vacuum pump through a second suction tube.

5. The automatic feeding device according to claim 1, wherein at least one pair of clamping devices is fixedly mounted on the upper surface of the main body, each pair of clamping devices is distributed on opposite sides of the feeding assembly in a symmetrical manner, and the movable end of each pair of clamping devices acts on the tray of the feeding assembly.

6. The automatic feeding device according to claim 1, wherein the upper surface of the main body is provided with an opening, and the feeding assembly and the receiving assembly are fixed in the main body along the vertical direction of the opening;

the feeding assembly comprises a second driving part and a first material frame, wherein the second driving part is fixed in the main body, the movable end of the second driving part is fixedly connected with the first material frame so as to drive the first material frame to move in the vertical direction, and the first material frame is used for placing a tray;

the storage assembly comprises a third driving part and a second material frame, wherein the third driving part is fixed inside the main body, the movable end of the third driving part is fixedly connected with the second material frame so as to drive the second material frame to move in the vertical direction, and the second material frame is used for storing vacant trays.

7. The automatic feeding device according to claim 6, wherein the feeding assembly and the receiving assembly further comprise at least one guide post respectively, the lower ends of the guide posts are fixedly connected in the main body, and the upper ends of the guide posts respectively penetrate through the first material frame and the second material frame.

8. The automatic loading device according to claim 7, wherein the main body is laterally provided with an openable door structure;

the first material rack comprises a first bottom plate and a first connecting plate, wherein a first sliding rail is fixedly connected above the first bottom plate, a first sliding block is fixedly connected below the first connecting plate and is connected to the first sliding rail in a sliding mode, the first connecting plate is provided with a first handle, and the arrangement direction of the first handle and the sliding direction of the first connecting plate face the openable door structure;

the second rack comprises a second bottom plate and a second connecting plate, wherein a second sliding rail is fixedly connected above the second bottom plate, a second sliding block is fixedly connected below the second connecting plate, the second sliding block is connected to the second sliding rail in a sliding mode, the second connecting plate is provided with a second handle, and the setting direction of the second handle and the sliding direction of the second connecting plate are both towards the door opening structure.

9. The automatic loading device according to any one of claims 1 to 8, wherein the tray has at least one placing groove for storing the material to be processed on an upper surface thereof and at least one recessed portion, and has a protruding portion corresponding to the recessed portion on a one-to-one basis on a lower surface thereof, and when two or more trays are stacked, the protruding portion of the tray located relatively above is fitted into the recessed portion of the tray located relatively below.

10. The automatic feeding device according to claim 9, wherein the protective cover is fixed on the upper portion of the main body, the mechanical arm, the feeding assembly, the receiving assembly and the positioning mold are all located inside the protective cover, and casters and the foot cups are mounted on the lower portion of the main body, wherein one caster and one foot cup are divided into a group, and four groups of casters and foot cups are respectively mounted on four corners of the lower portion of the main body.

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