CN218144516U

CN218144516U - Automatic unloading mechanism of going up of tray

Info

Publication number: CN218144516U
Application number: CN202222579427.4U
Authority: CN
Inventors: 邱国诚; 周峻民; 李浩然
Original assignee: Dongguan Dezhun Precision Equipment Co ltd
Current assignee: Dongguan Dezhun Precision Equipment Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2022-12-27
Anticipated expiration: 2032-09-28

Abstract

The utility model relates to the technical field of automatic feeding, and discloses an automatic tray feeding and discharging mechanism, which comprises a frame, a material supporting device, a material receiving device and a material shifting device; the machine frame comprises a frame and two guide rails, the guide rails are provided with supporting surfaces, and a feeding area, a material taking area and a discharging area are sequentially arranged along the extending direction of the guide rails; the feeding area is provided with a disc storage groove; the material supporting device comprises a first driver and a material supporting block which are connected, and the first driver is used for driving the material supporting block to extend into the storage tray groove or retract outwards from the storage tray groove; the material receiving device comprises a second driver and a material receiving block which are connected, and the material receiving block is used for driving the tray to fall onto the supporting surface; the material stirring device is used for stirring the tray to move from the feeding area to the material taking area and is used for stirring the tray to move from the material taking area to the discharging area. The feeding device has the advantages of compact structure, fewer power parts, small occupied space, lower cost and high feeding efficiency, and lays a foundation for full-automatic production of products.

Description

Automatic unloading mechanism of going up of tray

Technical Field

The utility model relates to an automatic change the technical field of feed, especially relate to an automatic unloading mechanism of going up of tray.

Background

In automation equipment, in order to realize automatic feeding, a tray is usually used, one or more materials are loaded in the tray, during operation, the tray loaded with the materials is transferred to a material taking station from a material loading station, then an external manipulator takes out the materials in the tray and places the materials on a preset position, and after all the materials in the tray are taken out, an empty tray is transferred to a material unloading station to avoid the next tray loaded with the materials to move to the material taking station.

In the existing automatic feeding structure, a tray is directly loaded by using an air cylinder, the tray is placed on a conveyor belt device by using the air cylinder, and the tray is sequentially transferred from a feeding station to a material taking station and a discharging station by using the conveyor belt device. Firstly, because the power of cylinder is the air supply, so the cylinder directly bears the weight of the tray and has unstable drawback, uses still to lead to the cylinder to age easily and damage for a long time, and the cylinder volume is great, leads to the whole volume of equipment great, and occupation space is big. Secondly, the conveyor belt device has the disadvantages of complex structure, large occupied space and high cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic unloading mechanism of going up of tray to simple structure's mode realizes the automatic unloading operation of going up of tray, establishes the basis for the full automated production of product.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides an unloading mechanism in tray automation, includes:

the tray loading device comprises a rack and a tray unloading device, wherein the rack comprises a frame and two guide rails connected with the frame, the guide rails extend along a first direction, the guide rails are provided with supporting surfaces used for bearing trays, and a loading area, a material taking area and a blanking area are sequentially arranged along the extending direction of the guide rails; the feeding area is provided with a tray storage groove for stacking a plurality of trays along the vertical direction, and the tray storage groove is positioned above the supporting surface;

the material supporting device is positioned in the feeding area and comprises a first driver and a material supporting block, the material supporting block is positioned above the supporting surface and at the bottom end of the storage tray groove, and the first driver is connected with the frame and the material supporting block and is used for driving the material supporting block to stretch into the storage tray groove or retract outwards from the storage tray groove;

the material receiving device comprises a second driver and a material receiving block, the material receiving block is positioned between the two guide rails and below the material supporting block, the second driver is connected with the frame and the material receiving block and used for driving the material receiving block to ascend or descend in the vertical direction, and the material receiving block is used for bearing a tray positioned at the bottommost part of the tray storage groove and driving the tray to fall onto a supporting surface of the guide rails;

and the material shifting device is connected with the frame and is used for shifting the tray to move from the material feeding area to the material taking area along the guide rail and shifting the tray to move from the material taking area to the material discharging area along the guide rail.

In one embodiment, the material supporting device further comprises a transfer block, a chute is formed in the transfer block, an included angle is formed between the extending direction of the chute and the first direction, the material supporting block is connected to the guide rail in a sliding manner, the material supporting block is limited in the chute and can slide along the extending direction of the chute, the transfer block is connected to the first driver, and the first driver is used for driving the transfer block to move back and forth along the first direction.

In one embodiment, the carrier block is slidably coupled to the guide rail in a second direction perpendicular to the first direction, the second direction being parallel to a horizontal plane.

In one embodiment, the material ejecting device includes a third driver, and a first material ejecting device and a second material ejecting device connected to the third driver, where the first material ejecting device and the second material ejecting device are both located between the two guide rails and are relatively fixed, the third driver is connected to the frame and is configured to drive the first material ejecting device and the second material ejecting device to move back and forth along the first direction, the first material ejecting device is configured to eject the tray to move from the loading area to the material taking area along the guide rails, and the second material ejecting device is configured to eject the tray to move from the material taking area to the unloading area along the guide rails.

In one embodiment, the first material poking device comprises two material poking assemblies, each material poking assembly comprises a material poking cylinder and a material poking block which are connected, the material poking cylinders are connected with the third drivers, the material poking cylinders are used for driving the material poking blocks to ascend or descend, and the distance between the two material poking blocks is adaptive to the length of the tray in the first direction.

In one embodiment, the second material poking device comprises a lifting cylinder and a material poking member which are connected, the lifting cylinder is connected with the third driver, the lifting cylinder is used for driving the material poking member to ascend or descend, and the material poking member is located between the two guide rails.

In one embodiment, the automatic tray feeding and discharging mechanism further comprises a positioning mechanism, the positioning mechanism is arranged on the material taking area and comprises an elastic piece and a positioning piece, the elastic piece is limited on the guide rail, and the positioning piece extends towards the inner side of the guide rail under the elastic force of the elastic piece.

In one embodiment, at least one supporting seat is arranged in a blanking area of each of the two guide rails, a jacking device is arranged between the two guide rails, and the jacking device is connected with the frame and arranged in the blanking area;

the supporting seat comprises a seat body and a supporting block, the seat body is connected with the guide rail, the supporting block is rotatably connected to the seat body and located above the supporting surface, the jacking device is used for driving the tray located in the blanking area to move upwards, the supporting block is driven by the acting force of the tray to move upwards to a second position from a first position relative to the seat body when the tray moves upwards, and when the supporting block is lower than the tray, the supporting block can be reset to the first position from the second position.

In one embodiment, the jacking device comprises a jacking cylinder, a jacking block and a guide member;

the jacking cylinder is connected with the frame and the jacking block and used for driving the jacking block to ascend or descend, the guide member is connected with the frame, and the jacking block is connected with the guide member in a sliding manner along the vertical direction.

In one embodiment, the blanking area has a collecting tank for guiding the tray in a vertical direction, and the jacking device is positioned at the bottom of the collecting tank.

Compared with the prior art, the utility model provides an unloading mechanism in tray automation has following beneficial effect at least:

before work, a plurality of trays which are stacked together along the vertical direction are placed in a tray storage groove of a feeding area in advance, a specified amount of materials are contained in the trays, and the plurality of stacked trays are carried by material supporting blocks extending into the tray storage groove;

when the automatic material taking device works, the second driver on the material receiving device drives the material receiving block to ascend, the material receiving block is close to the tray at the bottommost part of the tray storage groove, then the first driver on the material supporting device drives the material supporting block to retract outwards from the tray storage groove, a plurality of stacked trays are made to fall on the material receiving block, then the second driver on the material receiving device drives the material receiving block to descend by the height of one tray, then the first driver on the material supporting device drives the material supporting block to extend into the tray storage groove again, the material supporting block can support the rest trays except the bottommost tray in the tray storage groove, then the second driver on the material receiving device drives the material receiving block to continue descending, the bottommost tray in the tray storage groove can fall on the supporting surface, then the material shifting device shifts the tray on the supporting surface from the material feeding area to the material taking area along the guide rail, after all materials on the tray are taken out by an external manipulator, the material shifting device shifts the empty tray to the material taking area along the guide rail, thereby completing the automatic material taking function of the automatic material taking device, and laying the product production structure.

Drawings

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

Fig. 1 is a schematic structural view of an automatic tray loading and unloading mechanism provided in this embodiment at a first angle;

fig. 2 is a schematic structural view of an automatic tray loading and unloading mechanism provided in this embodiment at a second angle;

fig. 3 is a schematic structural diagram of an automatic tray loading and unloading mechanism provided in this embodiment at a third angle;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

fig. 5 is an exploded view of the automatic tray loading and unloading mechanism provided in this embodiment.

Wherein, in the figures, the respective reference numerals:

10. a frame; 101. a frame; 102. a guide rail; 1021. a support surface; 103. a feeding area; 104. a material taking area; 105. a blanking area; 106. a storage tray groove; 107. collecting tank;

20. a material supporting device; 201. a first driver; 202. a transfer block; 2021. a chute; 203. a material supporting block;

30. a material receiving device; 301. a second driver; 302. a material receiving block;

40. a material poking device; 401. a third driver; 402. a connecting plate; 403. a first kick-out device; 4031. a material stirring component; 40311. a material poking cylinder; 40312. a material stirring block; 404. a second kick-out device; 4041. a lifting cylinder; 4042. material stirring parts;

50. a jacking device; 501. jacking a cylinder; 502. jacking blocks; 503. a guide member;

60. a supporting seat; 601. a base body; 602. a support block;

70. a positioning mechanism; 701. an elastic member; 702. positioning blocks; 9. a tray.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that terms such as "upper," "lower," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship that is based on the orientation or positional relationship shown in the drawings for ease of description and simplicity of description only, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting of the present application.

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 implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

Referring to fig. 1 to 3, the present embodiment provides an automatic tray loading and unloading mechanism, which includes a frame 10, a material supporting device 20, a material receiving device 30, a material shifting device 40, and a jacking device 50.

The rack 10 includes a frame 101 and two rails 102 fixed on top of the frame 101, a length of the rail 102 extends along a first direction (i.e., the direction of the X-axis), and the two rails 102 are provided with support surfaces 1021, wherein the support surface 1021 of one rail 102 is used for supporting one side of the tray 9, and the support surface 1021 of the other rail 102 is used for supporting the other side of the tray 9. Further, a loading area 103, a material taking area 104, and a blanking area 105 are provided in this order along the extending direction of the guide rail 102.

Referring to fig. 1, the loading area 103 has a tray slot 106, a plurality of trays 9 containing products may be stacked in the tray slot 106 in a vertical direction, the tray slot 106 may serve to guide the trays 9 in the vertical direction in addition to the function of storing the trays 9, and the trays 9 may be gradually lowered in the vertical direction along the tray slot 106.

Referring to fig. 1, the blanking area 105 has a collecting groove 107, when all the materials in the tray 9 are taken out, the empty trays 9 can be stacked in the collecting groove 107 along the vertical direction, and the collecting groove 107 plays a role in limiting and guiding the tray 9.

Referring to fig. 1 and 4, the two material supporting devices 20 are provided, the material supporting device 20 is located in the feeding area 103, the material supporting device 20 includes a first driver 201, an adapting block 202 and a material supporting block 203, a sliding groove 2021 is formed on the adapting block 202, an extending direction of the sliding groove 2021 forms an included angle with an X-axis direction, the material supporting block 203 is located at the bottom end of the tray storage groove 106 and located above the supporting surface 1021, one end of the material supporting block 203 is limited in the sliding groove 2021 and can slide along the extending direction of the sliding groove 2021, in addition, the material supporting block 203 is slidably connected with the guide rail 102 along a second direction (i.e., Y-axis direction), the second direction is parallel to the horizontal plane, and the Y-axis and the X-axis are perpendicular to each other. The first driver 201 is preferably a sliding table cylinder, the first driver 201 is fixed on the frame 101 and connected with the transfer block 202, the first driver 201 is used for driving the transfer block 202 to make reciprocating linear movement along the X axis, and since the material supporting block 203 is limited in the sliding groove 2021, when the transfer block 202 moves along the X axis, the material supporting block 203 can extend into the disk storage groove 106 or extend outwards from the disk storage groove 106.

Referring to fig. 2, there are two receiving devices 30, two receiving devices 30 are located between two rails 102, the receiving device 30 includes a second driver 301 and a receiving block 302, the second driver 301 is fixed on the frame 101 and connected to the receiving block 302, the second driver 301 is a multi-axis cylinder with guiding, the second driver 301 is used to drive the receiving block 302 to ascend or descend, the receiving block 302 is located below the receiving block 203, and the receiving block 302 is used to receive a bottom tray 9 in the tray slot 106 and drive the tray 9 to fall on a supporting surface 1021 of the rails 102.

Referring to fig. 3 and 5, the setting device 40 includes a third driver 401, a connecting plate 402, a first setting member 403 and a second setting member 404. The third driver 401 is fixed on the frame 101, the first tripper 403 and the second tripper 404 are fixed on the connecting plate 402, the first tripper 403 and the second tripper 404 are both between the two guide rails 102, the connecting plate 402 is connected to the third driver 401, the third driver 401 is used for driving the connecting plate 402, the first tripper 403 and the second tripper 404 to move linearly and reciprocally on the X axis, the first tripper 403 is used for shifting the tray 9 from the loading area 103 to the material taking area 104, and the second tripper 404 is used for shifting the tray 9 from the material taking area 104 to the unloading area 105. The third driver 401 may be a lead screw linear module, a synchronous belt linear module, or a linear motor.

Referring to fig. 3 and 5, the first material ejecting device 403 includes two material ejecting assemblies 4031, each material ejecting assembly 4031 includes a material ejecting cylinder 40311 and a material ejecting block 40312, the material ejecting cylinder 40311 is fixed on the connecting plate 402, and the material ejecting cylinder 40311 is used for driving the material ejecting block 40312 to ascend or descend. The distance between the two kickoff blocks 40312 is adapted to the length of the tray 9 in the X-axis direction. During operation, the material stirring cylinder 40311 drives the material stirring block 40312 to ascend, the third driver 401 drives the connecting plate 402 to move in the positive direction of the X axis, the material stirring block 40312 moves the tray 9 from the material loading area 103 to the material taking area 104, and by arranging the two material stirring assemblies 4031, the tray 9 can be positioned more accurately in the material taking area 104, so that the tray 9 is prevented from being greatly deviated due to large motion inertia, and the material on the tray 9 can be conveniently and accurately grabbed by an external manipulator. When the first material ejecting device 403 needs to be reset along the opposite direction of the X axis, the material ejecting cylinder 40311 needs to move down first to push the material ejecting block 40312, so as to avoid the interference of the material ejecting block 40312 with the tray 9 in the subsequent resetting process, and then the third driver 401 drives the connecting plate 402 to move along the opposite direction of the X axis and reset to the initial position.

Referring to fig. 3 and 5, the second material puller 404 includes a lifting cylinder 4041 and a material pulling member 4042 connected with each other, the lifting cylinder 4041 is fixed on the connecting plate 402, the material pulling member 4042 is located between the two guide rails 102, and the lifting cylinder 4041 is used to drive the material pulling member 4042 to move up or down. In operation, the lifting cylinder 4041 drives the material-shifting piece 4042 to ascend, the third driver 401 drives the connecting plate 402 to move in the positive direction of the X axis, and the material-shifting piece 4042 moves the tray 9 from the material taking area 104 to the material discharging area 105. When the second material ejecting device 404 needs to be reset, the lifting cylinder 4041 drives the material ejecting member 4042 to descend, and the third driver 401 drives the connecting plate 402 to move in the opposite direction of the X axis.

Referring to fig. 5, two support seats 60 are disposed on the two guide rails 102 in the feeding area 105, each support seat 60 includes a seat body 601 and a support block 602, the seat body 601 is fixed on the guide rail 102, the support block 602 is rotatably connected to the seat body 601, the support block 602 is located above the support surface 1021, and the support block 602 has an initial first position and an upward rotated second position relative to the seat body 601.

Referring to fig. 1 to 3 again, the jacking device 50 is disposed in the blanking area 105 and below the collecting tank 107, the jacking device 50 is configured to jack up the tray 9 on the blanking area 105, the jacking device 50 includes a jacking cylinder 501, a jacking block 502, and a guide member 503, the jacking cylinder 501 is fixed on the frame 101, the jacking cylinder 501 is connected to the jacking block 502 and is configured to drive the jacking block 502 to ascend or descend, the guide member 503 is fixed on the frame 101, the jacking block 502 is connected to the guide member 503 in a sliding manner in a vertical direction, the guide member 503 is configured to guide the jacking block 502 when moving in the vertical direction, and the guide member 503 may be a guide rod or a slide rail.

Referring to fig. 5, the automatic tray loading and unloading mechanism of this embodiment further includes a positioning mechanism 70, the positioning mechanism 70 is disposed on the material taking region 104, the positioning mechanism 70 includes an elastic member 701 and a positioning block 702, the elastic member 701 is limited in the guide rail 102, the positioning block 702 extends to the inner side of the guide rail 102 under the elastic force of the elastic member 701, the positioning block 702 is used for abutting against the side surface of the tray 9, so that the tray 9 can be stably fixed at a predetermined position in the material taking region 104, when an external manipulator grabs the material in the tray 9, the positioning mechanism 70 can prevent the tray 9 from deviating, and the positioning mechanism 70 of this embodiment has the advantages of simple structure, low cost and convenient maintenance.

The specific working principle of the automatic tray loading and unloading mechanism of the embodiment can be summarized as follows:

before work, a plurality of trays 9 stacked together in the vertical direction are placed in the tray slot 106 of the feeding area 103 in advance, the trays 9 are filled with a specified amount of materials, and the plurality of trays 9 stacked together are carried by the tray block 203 extending into the tray slot 106;

when the automatic material receiving device works, the second driver 301 on the material receiving device 30 drives the material receiving block 302 to ascend, the material receiving block 302 is close to the tray 9 at the bottommost of the tray groove 106, then the first driver 201 on the material supporting device 20 drives the transfer block 202 to move along the reverse direction of the X axis, so that the material supporting block 203 retracts outwards from the tray groove 106, and then a plurality of stacked trays 9 fall on the material receiving block 302, then the second driver 301 on the material receiving device 30 drives the material receiving block 302 to descend by the height of one tray 9, next, the first driver 201 on the material supporting device 20 drives the transfer block 202 to move along the positive direction of the X axis, so that the material receiving block 203 extends into the tray groove 106 again, at the moment, the material receiving block 203 can lift the rest trays 9 except for the bottommost tray 9 in the tray groove 106, and then the second driver 301 on the material receiving device 30 drives the material receiving block 302 to descend continuously, the lowermost tray 9 in the tray slot 106 can fall on the support surface 1021 of the guide rail 102, then the third driver 401 on the material-ejecting device 40 drives the first material-ejecting device 403 and the second material-ejecting device 404 to move along the positive direction of the X-axis simultaneously, the first material-ejecting device 403 ejects the tray 9 on the support surface 1021 from the material-loading area 103 to the material-taking area 104 along the guide rail 102, at the same time, the second material-ejecting device 404 ejects the tray 9 above the material-taking area 104 to the material-taking area 105, the tray 9 on the material-taking area 104 is reset and moved along the negative direction of the X-axis during the material-taking process of the external manipulator, the third driver 401 drives the first material-ejecting device 403 and the second material-ejecting device 404 to reset and move along the negative direction of the X-axis simultaneously, the lifting device 50 lifts the tray 9 on the material-taking area 105 upwards, and the tray 9 pushes the support block 602 to rotate upwards from the initial first position during the upward movement process, when the height of the tray 9 is higher than the supporting block 602, the supporting block 602 rotates downwards to the initial first position due to its own weight, then the jacking device 50 resets downwards, and the tray 9 will fall on the supporting block 602 at the first position, and by the reciprocating jacking of the jacking device 50, a plurality of empty trays 9 can be stacked above the supporting block 602, and at this time, the collection of the empty trays 9 is completed.

The automatic unloading mechanism of going up of tray of this embodiment can accomplish the automatic function of going up of tray 9, and then lays a good foundation for the full automated production of product, compares in the structure that adopts conveyer belt device in the tradition, and this technical scheme has simple structure compactness, power spare is less, occupation space is little and the lower advantage of cost, still has the efficient advantage of going up unloading on tray 9.

The foregoing is only a preferred embodiment of the present invention, and the technical principles of the present invention have been specifically described, and the description is only for the purpose of explaining the principles of the present invention, and should not be construed as limiting the scope of the present invention in any way. Any modifications, equivalents and improvements made within the spirit and principles of the invention and other embodiments of the invention without the creative effort of those skilled in the art are intended to be included within the protection scope of the invention.

Claims

1. The utility model provides a unloading mechanism in tray automation which characterized in that includes:

the material receiving device comprises a second driver and a material receiving block, the material receiving block is positioned between the two guide rails and below the material supporting block, the second driver is connected with the frame and the material receiving block and used for driving the material receiving block to ascend or descend, and the material receiving block is used for bearing a tray positioned at the bottommost part of the tray storage groove and driving the tray to fall onto a supporting surface of the guide rails;

and the material shifting device is connected with the frame and is used for shifting the tray to move from the feeding area to the material taking area along the guide rail and shifting the tray to move from the material taking area to the discharging area along the guide rail.

2. The automatic loading and unloading mechanism for pallets as claimed in claim 1, wherein the material supporting device further comprises a transfer block, the transfer block is provided with a chute, an extending direction of the chute forms an included angle with the first direction, the material supporting block is slidably connected to the guide rail, the material supporting block is limited in the chute and can slide along the extending direction of the chute, the transfer block is connected to the first driver, and the first driver is used for driving the transfer block to move back and forth along the first direction.

3. The automated palletizing and feeding mechanism as recited in claim 2, wherein the palletizing block is slidably coupled to the guide rail in a second direction perpendicular to the first direction and parallel to a horizontal plane.

4. The automatic tray loading and unloading mechanism of claim 1, wherein the material ejecting device includes a third driver, and a first material ejecting device and a second material ejecting device connected to the third driver, the first material ejecting device and the second material ejecting device are both located between the two guide rails and are fixed relatively, the third driver is connected to the frame and is used for driving the first material ejecting device and the second material ejecting device to move back and forth along the first direction, the first material ejecting device is used for ejecting the tray from the loading area to the unloading area along the guide rails, and the second material ejecting device is used for ejecting the tray from the unloading area to the unloading area along the guide rails.

5. The automatic loading and unloading mechanism for the tray as claimed in claim 4, wherein the first material poking device comprises two material poking assemblies, the material poking assemblies comprise a material poking cylinder and a material poking block which are connected, the material poking cylinder is connected with the third driver, the material poking cylinder is used for driving the material poking block to ascend or descend, and the distance between the two material poking blocks is adapted to the length of the tray in the first direction.

6. The automatic tray loading and unloading mechanism as claimed in claim 4, wherein the second material poking device comprises a lifting cylinder and a material poking member connected with each other, the lifting cylinder is connected with the third driver, the lifting cylinder is used for driving the material poking member to ascend or descend, and the material poking member is located between the two guide rails.

7. The automatic tray loading and unloading mechanism of claim 1, further comprising a positioning mechanism disposed on the material taking region, wherein the positioning mechanism includes an elastic member and a positioning block, the elastic member is limited on the guide rail, and the positioning block is extended toward the inner side of the guide rail by the elastic force of the elastic member.

8. The automatic tray loading and unloading mechanism of claim 1, wherein each of the two guide rails has at least one support seat in the unloading area, and a jacking device is disposed between the two guide rails, the jacking device is connected to the frame and disposed in the unloading area;

the supporting seat comprises a seat body and a supporting block, the seat body is connected with the guide rail, the supporting block is rotatably connected to the seat body and located above the supporting surface, the jacking device is used for driving the tray located in the blanking area to move upwards, the supporting block can move upwards to a second position from a first position relative to the seat body under the action of the tray when the tray moves upwards, and when the supporting block is lower than the tray, the supporting block can be reset to the first position from the second position.

9. The automatic tray loading and unloading mechanism of claim 8, wherein the jacking device comprises a jacking cylinder, a jacking block and a guiding member;

10. The automatic tray loading and unloading mechanism as claimed in claim 8, wherein the unloading area has a collecting trough for guiding the tray in a vertical direction, and the jacking device is located at the bottom of the collecting trough.