CN209796789U

CN209796789U - automatic unloader that goes up of charging tray

Info

Publication number: CN209796789U
Application number: CN201920277496.5U
Authority: CN
Inventors: 吴加富; 缪磊; 林杰; 蒋玉斌; 万发; 王坤
Original assignee: Suzhou RS Technology Co Ltd
Current assignee: Suzhou RS Technology Co Ltd
Priority date: 2019-03-05
Filing date: 2019-03-05
Publication date: 2019-12-17
Anticipated expiration: 2029-03-05

Abstract

The utility model provides an automatic charging and discharging device for a charging tray, which comprises a device body; the device body comprises two storage devices and a movable clamping device, wherein one storage device is used for placing a material tray for feeding, and the other storage device is used for placing an empty material tray; the movable clamping device is used for clamping and conveying the material tray. The utility model adopts the lifting plates of the two lifting components to move up and down synchronously on the object placing plate, so that the lifting plates can hold up the material tray or return the lifting plates to the position below the object placing plate; when the material tray is supported and separated from the object placing plate, the object placing plate can move upwards along the extension direction of the pull rail; in the material picking process, the material tray is separated from the material tray to be fed at the lower part, and the material tray at the lower part can be independently operated, so that the feeding process is not influenced, the restriction of the feeding process is released, and the overall production efficiency is improved; the utility model discloses the realization realizes the change and the replenishment of charging tray at the process that does not stop the material loading, thinks about simultaneously ingeniously, reasonable in design, degree of automation is high, and the charging tray of being convenient for goes up the unloading trade in the automation and popularizes and applies.

Description

automatic unloader that goes up of charging tray

Technical Field

the utility model belongs to the automation equipment field, concretely relates to unloader in automatic charging tray.

Background

Along with the improvement of the degree of depth and the industry intelligence level of industrial development, mechanical automation degree and integrated level are higher and higher thereupon, especially to the unloader on charging tray class, and the efficiency of going up unloading is restricting the production efficiency of complete machine to a great extent, how to improve and go up unloading efficiency, becomes the key of going up unloading automated design.

At present, most of devices for loading and unloading trays on the market adopt mechanical arms and are matched with a tray clamping structure, although the automation degree is high, the structure occupies a large space, and the cost of the mechanical arms is high, so that the production cost is not favorably reduced; the moving device with the conveyer belt structure is also adopted, although the structure is simple, the whole device occupies the space in the horizontal direction, and meanwhile, the clamping device is required to be matched, so that the light weight of the whole structure is not facilitated; on the other hand, in charging tray centre gripping in-process, traditional removal clamping device can't feed dish material loading use, and material loading and removal clamping are accomplished on two relatively independent devices promptly, and strorage device adopts closed structure relatively more, and the charging tray that piles up in proper order, and the charging tray of superiors carries out the material loading process, and at this in-process, can't accomplish the change and the replenishment that the process of not stopping the material loading realized the charging tray to the production efficiency of material loading unloading in the charging tray is being restricted.

Therefore, the existing charging and discharging device for the charging tray needs to be improved urgently.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an automatic charging and discharging device for a material tray, which adopts the lifting plates of two lifting components to move up and down synchronously on a material placing plate, so that the lifting plates can support the material tray or return the lifting plates to the position below the material placing plate; when the material tray is supported and separated from the object placing plate, the object placing plate can move upwards along the extension direction of the pull rail; in the material picking process, the material tray and the lower part tray to be subjected to material loading are separated, and the lower part tray can be independently operated, so that the material loading process is not influenced, the restriction of the material loading process is liberated, and the overall production efficiency is improved.

The utility model provides an automatic charging and discharging device for a charging tray, which comprises a device body; the device body comprises two storage devices and a movable clamping device, wherein one storage device is used for placing a material tray for feeding, and the other storage device is used for placing an empty material tray; the mobile clamping device is used for clamping and conveying the material tray;

The storage device comprises a drawing structure and a lifting assembly; the two lifting components are respectively and fixedly arranged on two sides of the drawing structure to form an enclosing structure; the drawing structure is used for drawing and placing the piled material discs, and the lifting assembly is used for lifting the piled material discs and separating the piled material discs from the drawing structure; the drawing structure comprises a door plate, a drawing rail and a storage plate; the movable parts of the pull rails are respectively and fixedly connected with the door plate and the door plate; the lifting assembly comprises a lifting plate driven by a driving force; under the action of a driving force, the lifting plates of the two lifting assemblies synchronously move up and down on the object placing plate, so that the lifting plates support the material tray or return the lifting plates to the position below the object placing plate; when the material tray is supported and separated from the object placing plate, the object placing plate can move upwards along the extension direction of the pull rail;

The movable clamping device comprises a movable clamping body; the movable clamping body comprises a linear guide rail assembly, a frame body and a first clamping assembly; the frame body is fixedly arranged on a sliding block of the linear guide rail assembly; at least two first clamping assemblies are oppositely arranged on the frame body; the first clamping assembly comprises a first clamping driving device and a first clamping piece; the first clamping driving device drives the first clamping pieces to move so that at least two first clamping pieces move relatively and clamp the material tray; the slider of linear guide subassembly drives the centre gripping under the effect of drive force and has the framework along the extending direction reciprocating motion of linear guide subassembly guide rail to accomplish the material loading and the unloading of charging tray.

preferably, the lifting assembly further comprises a lifting linear slide rail, a lifting slider and a side substrate; the lifting linear slide rail is vertically arranged; the lifting slide block is matched with the lifting linear slide rail; the lifting slide block is connected with the lifting plate; and the lifting linear slide rails of the two storage devices are arranged on two sides of the side base plate.

Preferably, the lifting assembly further comprises a lead screw transmission assembly, a connecting cross bar and a transmission wheel; a lead screw of the lead screw transmission assembly is vertically arranged, and the lead screw transmission assembly is connected with the transmission wheel; the connecting cross rod is connected with the moving part of the lead screw transmission assembly; the connecting cross rod is connected with the lifting plate; the transmission wheel rotates, so that the lifting plate moves up and down along the axis direction of the lead screw.

preferably, the lift assembly further comprises a proximity sensor for detecting the lift plate movement position.

Preferably, the drawing structure further comprises a safety lock assembly, and the safety lock assembly comprises a lock body arranged on the lower frame body of the object placing plate and a lock pin driven by a driving force.

preferably, the movable clamping body further comprises a second clamping component; the direction of the acting force of the second clamping assembly for clamping the material tray is perpendicular to the direction of the acting force of the first clamping assembly for clamping the material tray.

Preferably, the frame body comprises at least two frame plates connected with each other and at least two second clamping pieces arranged oppositely; the second clamping piece is arranged on the frame plate; the second clamping assembly comprises a movable block, a driving sliding table and a mounting seat; the driving sliding table is arranged on the mounting seat; the two movable blocks are fixedly connected with the end parts of the two frame plates; the driving sliding table drives the movable block to move, so that at least two second clamping pieces move relatively and clamp the material tray.

Preferably, the movable clamping body further comprises a driving cylinder and a cylinder stroke sensor; the moving end of the driving cylinder is fixedly connected to the frame body; the driving cylinder is fixedly arranged on one side of the linear guide rail assembly; the cylinder stroke sensors are arranged at two ends of the driving cylinder.

preferably, a photoelectric sensor is further arranged on the frame body; the photoelectric sensor is used for detecting a material tray to be clamped; a third clamping piece is arranged below the frame plate; the photoelectric sensor is arranged at a gap between the third clamping piece and the second clamping piece; a shifting sheet is further arranged on the third clamping sheet; the side edge of the third clamping piece is provided with a connecting hole; the connecting shaft on the shifting piece is matched with the connecting hole, so that the shifting piece rotates around the axis of the connecting hole under the driving of external force.

Preferably, the movable clamping body further comprises a buffer and a drag chain; the buffers are arranged at two ends of the driving cylinder; the drag chain is fixedly arranged on the mounting seat through a drag chain connecting plate.

Compared with the prior art, the beneficial effects of the utility model reside in that:

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

the accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

Fig. 1 is a schematic view of the overall structure of an automatic charging and discharging device for a tray according to the present invention;

FIG. 2 is a schematic view of the overall structure of an automatic feeding and discharging device for a tray of the present invention;

FIG. 3 is a bottom view of the automatic loading and unloading device for material trays of the present invention;

Fig. 4 is a schematic structural view of the material pressing assembly of the present invention;

FIG. 5 is a schematic view of the overall structure of the movable clamping body of the present invention;

fig. 6 is a schematic structural view of a first clamping assembly of the present invention;

fig. 7 is a schematic view of a partial structure of the movable clamping body of the present invention;

Fig. 8 is a schematic structural view of a second clamping assembly of the present invention;

Fig. 9 is a schematic view of the buffer structure of the present invention;

Fig. 10 is a first schematic structural diagram of a photoelectric sensor according to the present invention;

Fig. 11 is a schematic structural diagram of a photoelectric sensor of the present invention;

Fig. 12 is a schematic view of the structure of the pick of the present invention;

Fig. 13 is a first schematic structural view of the storage device for loading and unloading of a tray of the present invention;

fig. 14 is a second schematic structural view of the storage device for loading and unloading of the material tray of the present invention;

Fig. 15 is a partial structural view of the storage device for loading and unloading a tray according to an embodiment of the present invention;

figure 16 is a first schematic structural view of the lifting assembly of the present invention;

Figure 17 is a second schematic structural view of the lifting assembly of the present invention;

Figure 18 is a schematic view of a portion of the lifting assembly of the present invention.

Shown in the figure:

The drawing structure 10, the door panel 11, the pull rail 12, the first blocking piece 121, the object placing plate 13, the lock pin 14, the lock body 15, the pull rail stroke sensor 16, the moving clamping body 20, the linear guide rail assembly 21, the frame 22, the frame plate 220, the photoelectric sensor 221, the detection light 222, the third clamping piece 223, the connecting hole 2231, the shifting piece 224, the connecting shaft 2241, the second clamping piece 225, the mounting block 226, the first clamping assembly 23, the first clamping driving device 231, the first clamping piece 232, the second clamping assembly 24, the movable block 241, the driving sliding table 242, the mounting seat 243, the second blocking piece 245, the driving cylinder 25, the moving end 251, the cylinder stroke sensor 26, the drag chain connecting plate 27, the buffer 28, the drag chain 29, the material pressing assembly 30, the material pressing base block 31, the material pressing driver 32, the material pressing connecting plate 33, the material pressing block 34, the lifting assembly 40, the lifting plate 41, the lifting linear guide rail 42, the lead screw transmission assembly 43, The device comprises a connecting cross rod 44, a connecting fixed block 45, a lifting slide block 46, a lower fixed base block 47, a transmission wheel 49, a side base plate 401, a proximity sensor 481, a diffuse reflection photoelectric switch 482, a needle type air cylinder 483, an installation base 50, a servo motor 60, a tension wheel 61 and an adjusting block 62.

Detailed Description

the foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a more detailed description of the present invention, which will enable those skilled in the art to make and use the present invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

the present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the following embodiments or technical features can be used to form a new embodiment without conflict.

an automatic loading and unloading device for a material tray comprises a device body 100; as shown in fig. 1-3, the device body 100 includes two storage devices and a movable clamping device, one storage device is used for placing a tray for loading, and the other storage device is used for placing an empty tray; the movable clamping device is used for clamping and conveying the material tray.

The storage device comprises a drawing structure 10 and a lifting assembly 40; the two lifting assemblies 40 are respectively and fixedly arranged at two sides of the pulling structure 10 to form an enclosing structure; the drawing structure 10 is used for drawing and placing the piled material trays, and the lifting assembly 40 is used for lifting and separating the piled material trays from the drawing structure 10; the drawing structure 10 comprises a door plate 11, a drawing rail 12 and a storage plate 13; the movable part of the draw rail 12 is respectively fixedly connected with the door panel 11 and the door panel 11; the lift assembly 40 includes a lift plate 41 driven by a driving force; under the action of a driving force, the lifting plates 41 of the two lifting assemblies 40 synchronously move up and down on the object placing plate 13, so that the lifting plates 41 support the material tray or the lifting plates 41 return to the position below the object placing plate 13; when the tray is supported and separated from the object placing plate 13, the object placing plate 13 can move upwards along the extension direction of the pull rail 12; as shown in fig. 1, in this embodiment, the storage device on the right side is used for loading, and the storage device on the left side is used for unloading. As shown in fig. 3, two storage units are mounted on the horizontal mounting base 50, and each storage unit is provided with a servo motor 60 which is independently controlled for driving the driving wheel 49 to rotate, as shown in fig. 13 and 14, in this embodiment, the driving wheel 49 is a belt pulley; the driving wheels 49 of the two lifting assemblies 40 are connected through a belt; the screw rod transmission assembly 43 on one side is directly driven by a servo motor 60, and the power of the transmission wheel 49 on one side is transmitted to the other side by a belt, so that synchronous driving on two sides is realized, driving equipment is saved, and meanwhile, the motor is arranged in the middle of the equipment, so that the phenomenon of unbalanced stress caused by the work of the motor is reduced; meanwhile, a tension wheel 61 arranged on the adjusting block 62 is configured for tensioning the belt, and particularly, the installation position of the tension wheel 61 is adjusted through a porous groove on the adjusting block 62 so as to adapt to different types of belts, thereby achieving the purpose of synchronization.

It should be understood that the utility model adopts the lifting plates of the two lifting components to move up and down synchronously on the object placing plate, so that the lifting plates can support the material tray or return the lifting plates to the position below the object placing plate; when the material tray is supported and separated from the object placing plate, the object placing plate can move upwards along the extension direction of the pull rail; the storage basis is provided for realizing the replacement and the supplement of the material tray in the process of not stopping the feeding.

in an embodiment, as shown in fig. 1 and 4, the apparatus body 100 further includes a pressing assembly 30, as shown in fig. 4, the pressing assembly 30 includes a pressing driver 32 mounted on a pressing base block 31, a pressing connecting plate 33, and a pressing block 34; the driving force of the material pressing driver 32 is transmitted to the material pressing block 34 through the material pressing connecting plate 33, and the material pressing driver 32 drives the material pressing block 34 to move up and down along the direction vertical to the material tray, so that the material tray is pressed and relatively limited in the feeding process, and the material tray is prevented from moving up and down; particularly, friction grains or a rubber friction layer are arranged on the surface of the material pressing block 34, which is used for increasing friction force and preventing the material tray from moving left and right.

The movable clamping device comprises a movable clamping body 20; the movable clamping body 20 comprises a linear guide rail assembly 21, a frame 22 and a first clamping assembly 23; wherein, the frame 22 is fixedly arranged on the slide block of the linear guide rail component 21; at least two first clamping assemblies 23 are oppositely arranged on the frame body 22; the first clamping assembly 23 comprises a first clamping driving device 231 and a first clamping piece 232; the first clamping driving device 231 drives the first clamping pieces 232 to move, so that at least two first clamping pieces 232 move relatively and clamp the material tray; the slider of the linear guide rail assembly 21 drives the frame 22 holding the material tray to reciprocate along the extending direction of the linear guide rail assembly 21 under the action of the driving force, so as to complete the feeding and discharging of the material tray.

In a preferred embodiment, as shown in fig. 5-8, the mobile clamping body 20 further includes a second clamping assembly 24; the direction of the acting force of the second clamping component 24 for clamping the material tray is vertical to the direction of the acting force of the first clamping component 23 for clamping the material tray. In this embodiment, as shown in fig. 6 and 10, the frame 22 includes at least two frame plates 220 connected to each other, and at least two second clamping pieces 225 disposed opposite to each other; the second clip 225 is mounted to the bezel 220; the second clamping assembly 24 comprises a movable block 241, a driving sliding table 242 and a mounting seat 243; the driving sliding table 242 is mounted on the mounting base 243; the two movable blocks 241 are fixedly connected with the end parts of the two frame plates 220; the driving sliding table 242 drives the movable block 241 to move, so that at least two second clamping pieces 225 move relatively and clamp the material tray; it should be understood that under the combined action of the first clamping assembly 23 and the second clamping assembly 24, the clamping in two mutually perpendicular directions is completed, and in the embodiment, the second clamping assembly 24 adopts a finger air cylinder.

In a preferred embodiment, as shown in fig. 5-9, the mobile clamping body 20 further comprises a driving cylinder 25; the moving end 251 of the driving cylinder 25 is fixedly connected to the frame 22; the driving cylinder 25 is fixedly installed at one side of the linear guide assembly 21. In this embodiment, the moving clamp body 20 further includes a cylinder stroke sensor 26; the cylinder stroke sensors 26 are provided at both ends of the drive cylinder 25. As shown in fig. 8, the stroke of the tray held by the frame 22 is precisely controlled by the cooperation of the cylinder stroke sensor 26 and the second stopper 245 fixed to the mounting seat 243.

In a preferred embodiment, as shown in fig. 7-9, the mobile clamping body 20 further includes a bumper 28; the dampers 28 are disposed at both ends of the driving cylinder 25 to prevent the cylinder from moving and protect the equipment and the cylinder. In this embodiment, in order to improve the stable operation of the device, the movable clamping body 20 further includes a drag chain 29; the drag chain 29 is fixedly mounted on the mounting seat 243 through the drag chain connecting plate 27.

In a preferred embodiment, as shown in fig. 10-11, a photoelectric sensor 221 is further disposed on the frame 22; the photoelectric sensor 221 is mounted on the frame plate 220 through a mounting block 226, and is used for detecting a tray to be clamped. In this embodiment, as shown in fig. 10, a third clip 223 is further disposed under the frame plate 220; the photosensor 221 is disposed at the gap between the third clip piece 223 and the second clip piece 225; when the distance change is detected by the detection light 222 emitted by the photoelectric sensor 221, the existence of the tray is judged, and the tray can be clamped or released.

In a preferred embodiment, as shown in fig. 12, a pick 224 is also mounted on the third jaw 223; a connecting hole 2231 is formed in the side of the third clamping piece 223; the connecting shaft 2241 on the pull piece 224 is matched with the connecting hole 2231, so that the pull piece 224 rotates around the axis of the connecting hole 2231 under the driving of an external force. In this embodiment, as shown in fig. 2 and 16, the external force that drives the poking piece 224 to rotate around the axis of the connecting hole 2231 is driven by the needle cylinder 483, and the poking piece 224 rotates to release part of the clamping force of the tray, so that the tray release process is more efficient and reliable.

in an embodiment, during the material loading, photoelectric sensor 221 detects the charging tray, controls first clamping subassembly 23 and second clamping subassembly 24 to carry out the centre gripping to the charging tray, and the centre gripping is accomplished the back, and other equipment pick up the material on the charging tray, picks up the in-process, and the charging tray that the material loading was treated to charging tray and lower part realizes separating, and the lower part charging tray can operate independently to do not influence the material loading process, liberation material loading process's restriction, promote whole production efficiency. After the feeding is finished, a time delay control or a photoelectric sensor 221 is adopted to detect that the materials in the material tray are consumed, the discharging process is executed, the moving end 251 of the driving cylinder 25 drives the empty material tray clamped on the frame body 22 to move to the discharging position, the first clamping assembly 23 and the second clamping assembly 24 are controlled to release the material tray, and simultaneously the needle type cylinders 483 arranged at the two sides of the discharging position push the shifting sheet 224 to rotate, so that part of the clamping force of the material tray is released; the material tray falls to the blanking position, and after the blanking is finished, the moving end 251 of the driving cylinder 25 drives the frame body 22 to move back to the loading position to wait for the loading.

the storage device for loading and unloading the trays, as shown in fig. 13, comprises a drawing structure 10 and a lifting assembly 40; the two lifting assemblies 40 are respectively and fixedly arranged at two sides of the pulling structure 10 to form an enclosing structure;

The drawing structure 10 is used for drawing and placing the piled material trays, and the lifting assembly 40 is used for lifting and separating the piled material trays from the drawing structure 10;

as shown in fig. 13-18, the drawing structure 10 includes a door panel 11, a pull rail 12, and a storage plate 13; the movable part of the draw rail 12 is respectively fixedly connected with the door panel 11 and the door panel 11; the lift assembly 40 includes a lift plate 41 driven by a driving force; under the action of a driving force, the lifting plates 41 of the two lifting assemblies 40 synchronously move up and down on the object placing plate 13, so that the lifting plates 41 support the material tray or the lifting plates 41 return to the position below the object placing plate 13; when the tray is lifted and separated from the object placing plate 13, the object placing plate 13 can move along the extending direction of the pull rail 12.

In a preferred embodiment, as shown in fig. 13, 17 and 18, the lifting assembly 40 further comprises a lifting linear slide 42 and a lifting slider 46; the lifting linear slide rail 42 is vertically installed; the lifting slide block 46 is matched with the lifting linear slide rail 42; the lift slider 46 is connected to the lift plate 41. In this embodiment, the lifting linear slide rail 42 is embedded in the side substrate 401, and the lifting linear slide rail 42 slides relative to the lifting slider 46 to perform a rapid guiding function for the lifting plate 41.

In a preferred embodiment, as shown in fig. 13, 17, 18, the lifting assembly 40 further comprises a lead screw transmission assembly 43, a connecting cross bar 44, a transmission wheel 49; a lead screw of the lead screw transmission assembly 43 is vertically arranged, and the lead screw transmission assembly 43 is connected with a transmission wheel 49; the connecting cross bar 44 is connected with the moving part of the lead screw transmission assembly 43; the connecting cross bar 44 is connected with the lifting plate 41; the transmission wheel 49 rotates to move the lifting plate 41 up and down in the screw axis direction. In this embodiment, the lifting assembly 40 further includes a connection fixing block 45; the two lifting plates 41 are fixedly arranged at two sides of the connecting cross rod 44 through connecting fixing blocks 45. As shown in fig. 17 and 18, the screw transmission assembly 43 mounted on the lower fixed base block 47 is driven by a driving force to drive the two connecting fixed blocks 45 to ascend or descend simultaneously, so as to ensure that the lifting plate 41 maintains the same horizontal height; the screw rod is adopted for transmission, so that the heavy load can be borne, and the transmission is stable and reliable.

In a preferred embodiment, as shown in FIGS. 16 and 17, the lift assembly 40 further includes a proximity sensor 481, and the proximity sensor 481 is used to detect the position of the lift plate 41 movement. In fig. 16, the proximity sensor 481 on the upper portion of the side substrate 401 is used to determine whether the connecting beam 44 reaches the limit position of the upward movement, the lower proximity sensor 481 of the two proximity sensors 481 on the lower portion of the side substrate 401 is used to determine whether the connecting beam 44 reaches the limit position of the downward movement, and the upper proximity sensor 481 of the two proximity sensors 481 on the lower portion of the side substrate 401 is used to determine whether the connecting beam 44 reaches the position of the object placing plate 13; when the connecting cross bar 44 approaches the proximity sensor 481, a corresponding signal for judgment is triggered.

in a preferred embodiment, as shown in fig. 14 and 15, the drawer structure 10 further includes a safety lock assembly including a lock body 15 mounted on the lower frame of the storage plate 13, and a lock pin 14 driven by a driving force. When the lock pin 14 is inserted into the lock body 15 under the driving force, the object placing plate 13 is in a locked state, and the object placing plate 13 is not allowed to be pulled out; when the lock pin 14 is disengaged from the lock body 15 by the driving force, the storage plate 13 is in an unlocked state, and the storage plate 13 is allowed to be pulled out. The safety protection of the drawing structure 10 is realized through the safety lock assembly, and the damage to equipment caused by the personnel or misoperation of the feeding and discharging process is prevented. In this embodiment, as shown in FIGS. 16-18, the lift assembly 40 further includes a diffusely reflective photoelectric switch 482; the diffuse reflectance optoelectronic switch 482 is used to trigger the unlocking of the security lock assembly. As shown in fig. 15, the drawer structure 10 further includes a rail travel sensor 16; the rail travel sensor 16 cooperates with a first catch 121 on the rail 12 for triggering locking of the safety lock assembly. In one embodiment, when the first blocking piece 121 triggers the rail-pulling stroke sensor 16, the lock pin 14 allows the lock command to be executed; when the connecting cross bar 44 is located at the stroke position between the two proximity sensors 481 at the lower part of the side substrate 401, the lifting plate 41 is not enough to lift the tray and separate from the object placing plate 13, and the lock pin 14 executes a locking instruction; when the diffuse reflection photoelectric switch 482 detects a signal of the lifting plate 41, the lifting plate 41 is enough to lift the tray and separate from the object placing plate 13, the lock pin 14 executes an unlocking instruction, the object placing plate 13 can be freely pulled out, and the automation of locking and unlocking of the pulling structure is realized by arranging various sensors.

the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the utility model can be smoothly implemented by the ordinary technicians in the industry according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. An automatic loading and unloading device for a material tray comprises a device body (100); the device body (100) comprises two storage devices and a movable clamping device, wherein one storage device is used for placing a material tray for feeding, and the other storage device is used for placing an empty material tray; the mobile clamping device is used for clamping and conveying the material tray; the method is characterized in that:

The storage device comprises a drawing structure (10) and a lifting assembly (40); the two lifting components (40) are respectively and fixedly arranged on two sides of the drawing structure (10) to form an enclosing structure; the drawing structure (10) is used for drawing and placing a stack of trays, and the lifting assembly (40) is used for lifting and separating the stack of trays from the drawing structure (10); the drawing structure (10) comprises a door plate (11), a drawing rail (12) and an object placing plate (13); the movable part of the pull rail (12) is fixedly connected with the door panel (11) and the door panel (11) respectively; the lifting assembly (40) comprises a lifting plate (41) driven by a driving force; under the action of driving force, the lifting plates (41) of the two lifting assemblies (40) synchronously move up and down on the object placing plate (13) so that the lifting plates (41) support the material tray or the lifting plates (41) return to the position below the object placing plate (13); when the material tray is supported and separated from the object placing plate (13), the object placing plate (13) can move along the extension direction of the pull rail (12);

The movable clamping device comprises a movable clamping body (20); the movable clamping body (20) comprises a linear guide rail assembly (21), a frame body (22) and a first clamping assembly (23); the frame body (22) is fixedly arranged on a sliding block of the linear guide rail assembly (21); at least two first clamping assemblies (23) are oppositely arranged on the frame body (22); the first clamping assembly (23) comprises a first clamping driving device (231) and a first clamping piece (232); the first clamping driving device (231) drives the first clamping pieces (232) to move, so that at least two first clamping pieces (232) move relatively and clamp a material tray; the slider of linear guide subassembly (21) drives the centre gripping under the effect of drive power and has the framework (22) of charging tray along the extending direction reciprocating motion of linear guide subassembly (21) guide rail to accomplish the material loading and the unloading of charging tray.

2. The automatic loading and unloading device for the material tray as claimed in claim 1, wherein: the lifting assembly (40) further comprises a lifting linear slide rail (42), a lifting slide block (46) and a side substrate (401); the lifting linear sliding rail (42) is vertically arranged; the lifting slide block (46) is matched with the lifting linear slide rail (42); the lifting slide block (46) is connected with the lifting plate (41); lifting linear slide rails (42) of the two storage devices are arranged on two sides of the side base plate (401).

3. the automatic loading and unloading device for the material tray as claimed in claim 1 or 2, wherein: the lifting assembly (40) further comprises a lead screw transmission assembly (43), a connecting cross bar (44) and a transmission wheel (49); a lead screw of the lead screw transmission assembly (43) is vertically arranged, and the lead screw transmission assembly (43) is connected with the driving wheel (49); the connecting cross rod (44) is connected with a moving part of the lead screw transmission assembly (43); the connecting cross bar (44) is connected with the lifting plate (41); the transmission wheel (49) rotates to enable the lifting plate (41) to move up and down along the axis direction of the screw rod.

4. The automatic loading and unloading device for the material tray as claimed in claim 1, wherein: the lifting assembly (40) further comprises a proximity sensor (481), and the proximity sensor (481) is used for detecting the movement position of the lifting plate (41).

5. the automatic loading and unloading device for the material tray as claimed in claim 1, wherein: the drawing structure (10) further comprises a safety lock assembly, and the safety lock assembly comprises a lock body (15) arranged on the lower frame body of the object placing plate (13) and a lock pin (14) driven by a driving force.

6. the automatic loading and unloading device for the material tray as claimed in claim 1, wherein: the movable clamping body (20) further comprises a second clamping component (24); the direction of the acting force of the second clamping assembly (24) for clamping the material tray is perpendicular to the direction of the acting force of the first clamping assembly (23) for clamping the material tray.

7. The automatic loading and unloading device for the material tray as claimed in claim 6, wherein: the frame body (22) comprises at least two frame plates (220) which are connected with each other and at least two second clamping pieces (225) which are arranged oppositely; the second clip (225) is mounted on the bezel (220); the second clamping assembly (24) comprises a movable block (241), a driving sliding table (242) and a mounting seat (243); the driving sliding table (242) is arranged on the mounting seat (243); the two movable blocks (241) are fixedly connected with the end parts of the two frame plates (220); the driving sliding table (242) drives the movable block (241) to move, so that at least two second clamping pieces (225) move relatively and clamp the material tray.

8. The automatic loading and unloading device for the material tray as claimed in claim 7, wherein: the movable clamping body (20) further comprises a driving cylinder (25) and a cylinder stroke sensor (26); the moving end (251) of the driving cylinder (25) is fixedly connected to the frame body (22); the driving cylinder (25) is fixedly arranged on one side of the linear guide rail assembly (21); the cylinder stroke sensors (26) are provided at both ends of the drive cylinder (25).

9. The automatic loading and unloading device for the material tray as claimed in claim 7, wherein: the frame body (22) is also provided with a photoelectric sensor (221); the photoelectric sensor (221) is used for detecting a material tray to be clamped; a third clamping piece (223) is arranged below the frame plate (220); the photosensor (221) is disposed at a gap between the third clip piece (223) and the second clip piece (225); a shifting sheet (224) is also arranged on the third clamping sheet (223); a connecting hole (2231) is formed in the side edge of the third clamping piece (223); the connecting shaft (2241) on the shifting piece (224) is matched with the connecting hole (2231), so that the shifting piece (224) rotates around the axis of the connecting hole (2231) under the driving of external force.

10. The automatic loading and unloading device for the material tray as claimed in claim 8, wherein: the movable clamping body (20) further comprises a buffer (28) and a drag chain (29); the buffers (28) are arranged at two ends of the driving cylinder (25); the drag chain (29) is fixedly arranged on the mounting seat (243) through a drag chain connecting plate (27).