CN220536938U

CN220536938U - Chip carrying disc collecting and stacking device

Info

Publication number: CN220536938U
Application number: CN202321589835.6U
Authority: CN
Inventors: 罗琳
Original assignee: Muzhe Shanghai Automation Technology Co ltd
Current assignee: Muzhe Shanghai Automation Technology Co ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2024-02-27
Anticipated expiration: 2033-06-21

Abstract

The application discloses a chip carrying tray collecting and stacking device, which comprises a frame, a conveying mechanism, a placing mechanism and a stacking mechanism, wherein the conveying mechanism, the placing mechanism and the stacking mechanism are arranged on the frame and are sequentially arranged along the frame; the conveying mechanism releases a carrying disc to the rack each time, the placing mechanism conveys the carrying disc released by the conveying mechanism to the receiving station, after the chip is full of chips, the placing mechanism conveys the carrying disc away from the receiving station, and the stacking mechanism collects the carrying disc conveyed away from the receiving station and stacks the carrying disc. According to the automatic stacking device, the carrier plate is automatically released and automatically stacked, so that the workload of workers is reduced, the untimely replacement of the carrier plate is avoided, the continuous collection work of chips is ensured, and the collection efficiency of the chips is improved.

Description

Chip carrying disc collecting and stacking device

Technical Field

The application relates to the technical field of chip collection, in particular to a chip carrying disc collection stacking device.

Background

Chip cleaning is a necessary procedure required in each chip manufacturing process, and is aimed at reducing contaminants on the chip surface as much as possible, enabling good and stable characteristics of the device, and enabling good reproducibility of the manufacturing process.

At present, after the chip is cleaned and dried, the chip is required to be placed on a carrying disc for collection. The collection mode generally adopts the manual work, and the workman places the chip collection district with carrying the dish, and robotic arm puts the chip after drying on carrying the dish, and after the chip was put on the dish to the carrying, the workman changed the carrying dish to carry the carrying dish of putting the chip to follow-up process in use.

Among the above-mentioned techniques, workman's work load is big, needs in time to change the carrier plate, and the carrier plate is changed untimely, can influence the collection efficiency of chip.

Disclosure of Invention

In order to solve the problems in the prior art, the application provides a chip carrier tray collecting and stacking device.

In order to achieve the above purpose, the present application adopts the following technical scheme:

the chip carrying disc collecting and stacking device comprises a frame, a conveying mechanism, a placing mechanism and a stacking mechanism, wherein the conveying mechanism, the placing mechanism and the stacking mechanism are arranged on the frame and are sequentially arranged along the frame;

the conveying mechanism releases a carrying disc to the rack each time, the placing mechanism conveys the carrying disc released by the conveying mechanism to the receiving station, after the chip is full of chips, the placing mechanism conveys the carrying disc away from the receiving station, and the stacking mechanism collects the carrying disc conveyed away from the receiving station and stacks the carrying disc.

Further, the frame comprises a bottom plate and two vertical plates arranged on the surface of the bottom plate, and the two vertical plates are fixed on the bottom plate in parallel.

Further, the conveying mechanism comprises a storage tray frame, a telescopic piece, a discharging plate, a material taking plate and a first driving piece; the storage tray frame is arranged on the vertical plate, the storage tray frame is used for storing the carrying tray, the telescopic piece is arranged on the vertical plate, the discharging plate is arranged at the driving end of the telescopic piece, the telescopic piece drives the discharging plate to extend into the storage tray frame, the bottom of the carrying tray is provided with an avoidance groove corresponding to the discharging plate, the discharging plate is used for supporting the carrying tray in the storage tray frame, the first driving piece is arranged on the bottom plate, the material taking plate is arranged at the driving end of the first driving piece, and the first driving piece drives the material taking plate to lift;

the first driving piece drives the material taking plate to ascend until the material taking plate contacts with the carrying disc and supports the carrying disc, the telescopic piece drives the material discharging plate to shrink, the first driving piece drives the material taking plate to descend by the height of the carrying disc, and the telescopic piece drives the material discharging plate to enter the avoidance groove of the carrying disc to support the carrying disc.

Further, the conveying mechanism further comprises a first conveying belt, the first conveying belt is arranged on the opposite side of the vertical plate, the material taking plate descends to place the carrying disc on the first conveying belt, and the first conveying belt conveys the carrying disc.

Further, the first driving piece comprises a first flat plate, a first connecting rod, a first screw rod, a first servo motor, a first screw sleeve, a first linkage plate and a first ejector rod;

the utility model discloses a material feeding device, including first dull and stereotyped, first connecting rod, first servo motor, first screw sleeve, first connecting plate, first connecting rod, first flat board, first screw sleeve, first connecting plate, first connecting rod, first connecting plate, second connecting rod, first connecting rod is fixed on the opposite side of two first flat boards, the top first flat board is fixed in the bottom of bottom plate, the both ends of first screw rod are connected with first flat board rotation respectively, first servo motor is fixed on the first flat board of bottom, first servo motor is connected with first screw rod, first swivel nut is established on first screw rod and with first screw rod threaded connection, first connecting plate is located between two first flat boards, first connecting rod slides the cooperation with first connecting rod, first swivel nut is fixed on first connecting plate, first ejector pin is fixed with the bottom of getting the material board.

Further, the placing mechanism comprises a butt strap, an electric cylinder, a vertical cylinder, a supporting plate, a clamping plate and a horizontal cylinder;

the number of the access boards is two, the two access boards are arranged on opposite sides of the vertical board, the electric cylinder is fixed on the bottom board, the vertical cylinder is fixed on the sliding block of the electric cylinder, the supporting board is horizontally arranged, the supporting board is fixed on the driving end of the vertical cylinder, one end of the supporting board is fixed with a stop block, the horizontal cylinder is fixed on the other end of the supporting board, the clamping board is fixed on the driving end of the horizontal cylinder, and the horizontal cylinder drives the clamping board to clamp the carrying disc on the supporting board.

Further, the placing mechanism further comprises two sliding pieces, the two sliding pieces are arranged on two sides of the vertical cylinder, each sliding piece comprises two vertical plates which are arranged in parallel, a wire rail sliding block is arranged between the vertical plates, one vertical plate is fixed on the supporting plate, and the other vertical plate is fixed on the sliding block of the electric cylinder.

Further, the stacking mechanism comprises a tray stacking frame, a supporting rotating plate, a stacking plate and a second driving piece;

the tray stacking frame is arranged on the vertical plate, the tray stacking frame is used for storing the tray, the supporting rotating plate is arranged on the vertical plate, the supporting rotating plate is arranged in an upward rotating mode, the supporting rotating plate is arranged corresponding to the avoiding groove, the tray stacking plate is used for supporting the tray in the tray stacking frame, the second driving piece is arranged on the bottom plate, the tray stacking plate is arranged at the driving end of the second driving piece, and the second driving piece drives the tray stacking plate to lift;

the second driving piece drives the stacking plate to ascend to contact with the carrying disc, drives the carrying disc to ascend, and the carrying disc contacts with the supporting rotating plate to drive the supporting rotating plate to rotate upwards until the supporting rotating plate is separated from the carrying disc, the supporting rotating plate resets, and the second driving piece drives the stacking plate to move downwards, and the carrying disc is stacked on the supporting rotating plate.

Further, the second driving piece comprises a second flat plate, a second connecting rod, a second screw rod, a second servo motor, a second screw sleeve, a second linkage plate and a second ejector rod;

the number of the second flat plates is two, the two second flat plates are arranged in parallel, the second connecting rods are fixed on opposite sides of the two second flat plates, the second flat plates at the top are fixed at the bottom of the bottom plate, two ends of the second screw rod are respectively connected with the second flat plates in a rotating mode, the second servo motor is fixed on the second flat plates at the bottom, the second servo motor is connected with the second screw rod, the second screw sleeve is sleeved on the second screw rod and is in threaded connection with the second screw rod, the second linkage plate is located between the two second flat plates, the second linkage plate is in sliding fit with the second connecting rods, the second screw sleeve is fixed on the second linkage plate, the second ejector rod is fixed on the second linkage plate, and the second ejector rod is fixed with the bottom of the stacker plate.

Further, the stacking mechanism further comprises a second conveying belt, the second conveying belt is arranged on the opposite side of the vertical plate, the placing mechanism places the carrier plate on the second conveying belt, and the second conveying belt conveys the carrier plate to the position right below the stacking frame.

Compared with the prior art, the application has the following beneficial effects:

according to the automatic stacking device, the carrier plate is automatically released and automatically stacked, so that the workload of workers is reduced, the untimely replacement of the carrier plate is avoided, the continuous collection work of chips is ensured, and the collection efficiency of the chips is improved.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view of an embodiment of the present application;

fig. 3 is a schematic structural view of a placement mechanism according to an embodiment of the present application.

In the figure:

1. a frame;

2. a conveying mechanism; 21. a tray storage rack; 22. a telescoping member; 23. a discharging plate; 24. a first conveyor belt; 25. a material taking plate; 26. a first driving member;

3. a placement mechanism; 31. a butt strap; 32. an electric cylinder; 33. a vertical cylinder; 34. a support plate; 35. a clamping plate; 36. a horizontal cylinder; 37. a sliding member;

4. a stacking mechanism; 41. a tray stacking frame; 42. supporting the rotating plate; 43. a second conveyor belt; 44. a stacking plate; 45. and a second driving member.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

The application provides a chip tray collection stacking device.

Referring to fig. 1, 2 and 3, the chip tray collecting and stacking device, a frame 1, and a conveying mechanism 2, a placing mechanism 3 and a stacking mechanism 4 mounted on the frame 1 are sequentially disposed along the frame 1. As can be seen, the conveying mechanism 2, the placement mechanism 3, and the stacking mechanism 4 are disposed in this order from right to left on the frame 1.

The conveying mechanism 2 releases a carrying disc onto the frame 1 each time, the placing mechanism 3 carries the carrying disc released by the conveying mechanism 2 to the receiving station, after the chip is full of chips, the placing mechanism 3 carries the carrying disc away from the receiving station, and the stacking mechanism 4 collects the carrying disc carried away from the receiving station and stacks the carrying disc.

Specifically, frame 1 includes the bottom plate of rectangle platelike structure and installs the two risers at the bottom plate surface, and the top at the bottom plate is fixed in parallel to the two risers, and the bottom fretwork setting of two risers.

As shown in fig. 1 and 2, the conveying mechanism 2 includes a tray 21, a telescopic member 22, a discharge plate 23, a take-out plate 25, and a first driving member 26, wherein:

the storage tray rack 21 comprises four L-shaped plate members, the four L-shaped plate members are distributed in a matrix, two by two are respectively fixed at the top of the vertical plate, and the four L-shaped plate members enclose a storage area of the adapting carrier tray. The telescopic members 22 are of cylinder structures, four telescopic members 22 are arranged, and two telescopic members are fixed at the top of the vertical plate respectively. Four avoidance grooves corresponding to the telescopic members 22 are formed in the bottom of the carrying disc, the discharging plate 23 is fixed to the driving end of the telescopic members 22, the thickness of the discharging plate 23 is smaller than the depth of the avoidance grooves, the four telescopic members drive the discharging plate 23 to enter the storage area of the storage disc frame 21, and the discharging plate 23 is used for supporting the carrying discs stacked in the storage disc frame 21.

The first driving piece 26 is installed on the bottom plate, and the quantity of extracting plate 25 is two, and two extracting plates 25 are fixed at the drive end of first driving piece 26, and the lifting of extracting plate 25 is driven to first driving piece 26. The first driving member 26 includes a first flat plate, a first link, a first screw, a first servo motor, a first screw, a first linkage plate, and a first jack.

Specifically, the number of the first flat plates is two, the two first flat plates are arranged in parallel, and the first flat plates are rectangular horizontal plates. The number of the first connecting rods is four, the first connecting rods are distributed in a matrix, and two ends of each first connecting rod are fixed with opposite sides of the first flat plate through bolts. The first flat board on upper portion passes through the bottom of bolt fastening at the bottom plate, and first lead screw is vertical to be set up, and the both ends of first lead screw are connected with two first flat rotations respectively, and first servo motor fixes the bottom at the first flat board of lower part, and first servo motor is connected with first lead screw.

The first screw sleeve is sleeved on the first screw rod and is in threaded connection with the first screw rod, the first linkage plate is located between the two first flat plates, the first linkage plate is in sliding fit with the first connecting rod through the sliding sleeve, and the first screw sleeve is fixed on the first linkage plate. The number of the first ejector rods is four, the first ejector rods are distributed in a matrix, and the first ejector rods are vertically fixed on the first linkage plate. The first ejector rods are arranged in pairs, and the top of each group of first ejector rods is fixed with the bottom of the material taking plate 25.

When the device is used, the first driving piece 26 drives the material taking plate 25 to ascend until the material taking plate 25 contacts the carrying disc and supports the carrying disc; then, the four telescopic pieces 22 drive the discharging plate 23 to be separated from the carrying disc storage area, and the first driving piece 26 drives the material taking plate 25 to descend by the height of one carrying disc; then, the four telescopic pieces 22 drive the discharging plate 23 to enter the carrying disc storage area to support the carrying disc; one carrying tray in the carrying tray area falls on the material taking plate 25, and the first driving piece 26 drives the material taking plate 25 to move downwards, so that the carrying tray is conveniently carried by the placing mechanism 3.

In addition, the conveying mechanism 2 further includes two first conveying belts 24, the two first conveying belts 24 are respectively mounted on opposite sides of the two vertical plates, and the two first conveying belts 24 are driven by motors at the bottom plate ends. The material taking plate 25 descends to place the carrier plate on the first conveying belt 24, and the first conveying belt 24 conveys the carrier plate so as to be convenient for the placement mechanism 3 to receive.

Meanwhile, an infrared sensor is fixed at the bottom of the tray storage rack 21, and whether the tray in the tray storage rack 21 exists or not is detected through the infrared sensor, so that a worker can conveniently put the tray into the tray storage rack 21.

As further shown in fig. 1 and 2, the stacking mechanism 4 is similar to the conveying mechanism 2, and the stacking mechanism 4 includes a stack tray 41, a support rotating plate 42, a stacker plate 44, and a second driving member 45, wherein:

the tray stack 41 includes four L-shaped plates distributed in a matrix, each of which is fixed to the top of the riser in a group, and the four L-shaped plates enclose a stacking area of the adapter tray. The support rotating plate 42 is installed at the top of the vertical plate through the installation seat, the number of the support rotating plate 42 is four, two pairs of support rotating plates 42 are respectively installed at the top of the vertical plate, the movable end of the support rotating plate 42 is located in the stacking area, the support rotating plate 42 can rotate upwards, the support rotating plate 42 is arranged corresponding to the avoidance groove, and the support rotating plate 42 is used for supporting the stacking tray in the stacking area.

The second driving piece 45 is installed on the bottom plate, and the quantity of the stacking plates 44 is two, and two stacking plates 44 are fixed at the drive end of the second driving piece 45, and the second driving piece 45 drives the stacking plates 44 to lift. The second driving member 45 includes a second flat plate, a second link, a second screw, a second servo motor, a second screw sleeve, a second linkage plate, and a second ejector rod.

Specifically, the number of the second flat plates is two, the two second flat plates are arranged in parallel, and the second flat plates are rectangular horizontal plates. The number of the second connecting rods is four, the second connecting rods are distributed in a matrix, and two ends of the second connecting rods are fixed with opposite sides of the second plate through bolts respectively. The second flat plate on upper portion passes through the bottom of bolt fastening at the bottom plate, and the second lead screw is vertical to be set up, and the both ends of second lead screw are connected with two second flat plates rotation respectively, and the second servo motor is fixed in the bottom of the second flat plate of lower part, and the second servo motor is connected with the second lead screw.

The second screw sleeve is sleeved on the second screw rod and is in threaded connection with the second screw rod, the second linkage plate is positioned between the two second plates, the second linkage plate is in sliding fit with the second connecting rod through the sliding sleeve, and the second screw sleeve is fixed on the second linkage plate. The number of the second ejector rods is four, the second ejector rods are distributed in a matrix, and the second ejector rods are vertically fixed on the second linkage plate. The second ejector rods are arranged in pairs, and the top of each group of second ejector rods is fixed with the bottom of the stacking plate 44.

When the device is used, the second driving piece 45 drives the stacking plate 44 to ascend, the stacking plate 44 contacts the carrying disc and drives the carrying disc to ascend, and the supporting rotating plate 42 is driven to rotate upwards until the supporting rotating plate is separated from the carrying disc, and the supporting rotating plate is reset; then, the second driving member 45 drives the stacker plate 44 to descend, the carrier tray falls onto the support flap 42, the support flap 42 supports the carrier tray, and the carrier tray is stacked on the support flap 42.

In addition, the stacking mechanism 4 further includes two second conveyor belts 43, the top of the second conveyor belts 43 is coplanar with the top of the first conveyor belt 24, the two second conveyor belts 43 are respectively mounted on opposite sides of the two vertical plates, and the two second conveyor belts 43 are driven by motors at the ends of the bottom plates. The placement mechanism 3 places the carrier tray full of chips on the second conveying belt 43, and the second conveying belt 43 conveys the carrier tray to the position right below the tray stacking frame 41, so that the stacking operation of the carrier tray is facilitated.

Meanwhile, an infrared sensor is fixed at the top of the tray stacking frame 41, the stacking condition of the tray on the tray stacking frame 41 is detected through the infrared sensor, and the tray is conveniently taken out in time after being fully stacked.

As shown in fig. 2 and 3, the placement mechanism 3 includes a butt plate 31, an electric cylinder 32, a vertical cylinder 33, a support plate 34, a clamp plate 35, and a horizontal cylinder 36.

Specifically, the number of the access plates 31 is two, the two access plates 31 are mounted on opposite sides of the vertical plate, the access plates 31 are higher than the top of the first conveying belt 24, one end, close to the stacking mechanism 4, of each access plate 31 is rotationally connected with the vertical plate through a rotating shaft, and the other end of each access plate 31 is connected with a cylinder fixed on the vertical plate. The electric cylinder 32 is fixed on the bottom plate along the length direction of the vertical plate, and the vertical cylinder 33 is fixed on the slide block at the top of the electric cylinder 32. The backup pad 34 level sets up, and the drive end of vertical cylinder 33 is fixed with the bottom surface middle part of backup pad 34, and the one end of backup pad 34 is fixed with the dog through the bolt, and the dog sets up along the thickness direction of riser. The horizontal cylinder 36 is fixed at the other end of the support plate 34, the clamping plate 35 is fixed at the driving end of the horizontal cylinder 36, the clamping plate 35 is arranged along the thickness direction of the vertical plate, and the horizontal cylinder 36 drives the clamping plate 35 to clamp the carrier plate on the support plate 34.

In order to avoid damage to the carrying disc in the clamping process, one side of the clamping plate 35, which is close to the stop block, is connected with a buffer plate through a limiting rod, and a spring sleeved on the limiting rod is arranged between the buffer plate and the clamping plate 35.

In addition, the placement mechanism 3 further includes two sliders 37, and the two sliders 37 are installed on both sides of the vertical cylinder 33. Each slider 37 comprises two parallel risers, between which a wire rail slider is mounted, one of which is fixed to the support plate 34 and the other to the slider of the electric cylinder 32. By the arrangement of the sliding piece 37, the stability of the lifting movement of the supporting plate 34 driven by the vertical cylinder 33 is ensured.

In the initial state, the butt strap 31 is in a horizontal state; when the detector on the vertical plate detects the carrier plate conveyed by the first conveying belt 24, the air cylinder jacks up the butt plate 31 to block the carrier plate; then, the electric cylinder 32 is matched with the vertical cylinder 33 and the horizontal cylinder 36 to carry the carrier plate, in the process, the carrier plate 31 is received to be in a horizontal state by the cylinder, and the carrier plate is carried to the carrier plate 31 for placing chips.

The carrier tray is fixed in the process of placing the chips on the carrier tray until the carrier tray is full of chips, and then the carrier tray is moved to the second conveying belt 43; of course, in the process of placing chips on the carrier plate, each row of chips is placed, the carrier plate moves forward by one unit, after the carrier plate is fully filled with chips, the carrier plate is monitored by the detector on the vertical plate, and the carrier plate is moved onto the second conveying belt 43 by the electric cylinder 32 in cooperation with the vertical cylinder 33 and the horizontal cylinder 36.

In addition, install two runners on a riser, the runner is installed on the riser, and the one end that the runner deviates from the runner is articulated with the riser, is connected with the spring between riser and the riser, and the elasticity of spring makes runner part be located between the two risers. The two turnplates push the carrier plate positioned on the access plate 31 by the elastic force provided by the springs, so that the carrier plate leans against the other vertical plate to limit the carrier plate.

The implementation principle of the embodiment of the application is as follows:

1. the workers place the empty stack of trays in the tray storage rack 21 of the conveying mechanism 2, the first driving piece 26 is matched with the telescopic piece 22, the first driving piece 26 takes down a tray to be released onto the first conveying belt 24, and the first conveying belt 24 finishes the conveying of the tray;

2. the electric cylinder 32, the vertical cylinder 33 and the horizontal cylinder 36 in the placement mechanism 3 are mutually matched to complete clamping and carrying work of the loading disc on the first conveying belt 24, the loading disc is placed on the access board 31 and used for receiving chips, and after the loading disc is full of chips, the electric cylinder 32, the vertical cylinder 33 and the horizontal cylinder 36 are mutually matched to carry the loading disc full of chips to the second conveying belt 43;

3. the second conveyor belt 43 conveys the trays to the stacking mechanism 4 directly below the tray stacking frame 41, and the trays are placed on the supporting rotating plate 42 by being matched with the supporting rotating plate 42 through the second driving piece 45, so that stacking operation is sequentially performed from bottom to top, and after the tray stacking frame 41 is fully stacked with the trays, workers take out all the trays on the tray stacking frame 41 and transfer the trays to the next process.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The chip tray collecting and stacking device is characterized by comprising a frame (1), a conveying mechanism (2), a placing mechanism (3) and a stacking mechanism (4), wherein the conveying mechanism (2), the placing mechanism (3) and the stacking mechanism (4) are arranged on the frame (1) and are sequentially arranged along the frame (1);

the conveying mechanism (2) releases a carrying disc to the frame (1) each time, the placing mechanism (3) conveys the carrying disc released by the conveying mechanism (2) to the receiving station, after the chip is full of chips, the placing mechanism (3) conveys the carrying disc away from the receiving station, and the stacking mechanism (4) collects the carrying disc conveyed away from the receiving station and stacks the carrying disc.

2. A chip tray collecting and stacking device according to claim 1, wherein the frame (1) comprises a bottom plate and two vertical plates mounted on the surface of the bottom plate, and the two vertical plates are fixed on the bottom plate in parallel.

3. A chip tray collecting and stacking device according to claim 2, wherein the conveying mechanism (2) comprises a tray storage rack (21), a telescopic member (22), a discharging plate (23), a material taking plate (25) and a first driving member (26); the storage tray rack (21) is arranged on the vertical plate, the storage tray rack (21) is used for storing the carrying tray, the telescopic piece (22) is arranged on the vertical plate, the discharging plate (23) is arranged at the driving end of the telescopic piece (22), the telescopic piece (22) drives the discharging plate (23) to extend into the storage tray rack (21), the bottom of the carrying tray is provided with an avoidance groove corresponding to the discharging plate (23), the discharging plate (23) is used for supporting the carrying tray in the storage tray rack (21), the first driving piece (26) is arranged on the bottom plate, the discharging plate (25) is arranged at the driving end of the first driving piece (26), and the first driving piece (26) drives the discharging plate (25) to lift;

the material taking plate (25) is driven by the first driving piece (26) to ascend until the material taking plate (25) is in contact with the carrying disc and supports the carrying disc, the material discharging plate (23) is driven by the telescopic piece (22) to shrink, the material taking plate (25) is driven by the first driving piece (26) to descend by the height of one carrying disc, and the carrying disc is supported in the avoidance groove of the telescopic piece (22) for driving the material discharging plate (23) to enter the carrying disc.

4. A chip tray collecting and stacking device according to claim 3, wherein the conveying mechanism (2) further comprises a first conveying belt (24), the first conveying belt (24) is arranged on the opposite side of the vertical plate, the material taking plate (25) descends to place the tray on the first conveying belt (24), and the first conveying belt (24) conveys the tray.

5. A chip carrier tray collecting and stacking device according to claim 3, wherein the first driving member (26) comprises a first flat plate, a first connecting rod, a first screw, a first servo motor, a first screw sleeve, a first linkage plate and a first ejector rod;

the utility model discloses a material feeding device, including first dull and stereotyped, first connecting rod, first servo motor, first screw sleeve, first connecting plate, first connecting rod, first flat board, first servo motor, first connecting rod, first flat board quantity is two first flat board parallel arrangement, first connecting rod is fixed in the opposite side of two first flat boards, the top first flat board is fixed in the bottom of bottom plate, the both ends of first screw rod are connected with first flat board rotation respectively, first servo motor is fixed on the first flat board of bottom, first servo motor is connected with first screw rod, first swivel nut is established on first screw rod and with first screw rod threaded connection, first connecting plate is located between two first flat boards, first connecting rod slides the cooperation with first connecting rod, first swivel nut is fixed on first connecting plate, first ejector pin is fixed with the bottom of getting material board (25).

6. A chip carrier tray collecting and stacking device according to claim 2, wherein the placing mechanism (3) comprises a butt strap (31), an electric cylinder (32), a vertical cylinder (33), a support plate (34), a clamping plate (35) and a horizontal cylinder (36);

the number of the access boards (31) is two, the two access boards (31) are arranged on opposite sides of the vertical boards, the electric cylinder (32) is fixed on the bottom board, the vertical air cylinder (33) is fixed on a sliding block of the electric cylinder (32), the supporting board (34) is horizontally arranged, the supporting board (34) is fixed on the driving end of the vertical air cylinder (33), one end of the supporting board (34) is fixed with a stop block, the horizontal air cylinder (36) is fixed on the other end of the supporting board (34), the clamping board (35) is fixed on the driving end of the horizontal air cylinder (36), and the horizontal air cylinder (36) drives the clamping board (35) to clamp the carrying disc on the supporting board (34).

7. A chip carrier tray collecting and stacking device according to claim 1, wherein the placing mechanism (3) further comprises two sliding members (37), the two sliding members (37) are arranged on two sides of the vertical cylinder (33), each sliding member (37) comprises two parallel vertical plates, a wire rail sliding block is arranged between the vertical plates, one vertical plate is fixed on the supporting plate (34), and the other vertical plate is fixed on the sliding block of the electric cylinder (32).

8. A chip tray collecting and stacking device according to claim 3, wherein the stacking mechanism (4) comprises a tray stack (41), a support rotating plate (42), a stacker plate (44) and a second driving member (45);

the tray stacking frame (41) is arranged on the vertical plate, the tray stacking frame (41) is used for storing trays, the supporting rotating plate (42) is arranged on the vertical plate, the supporting rotating plate (42) is upwards rotated, the supporting rotating plate (42) is arranged corresponding to the avoidance groove, the tray stacking plate (44) is used for supporting the trays in the tray stacking frame (41), the second driving piece (45) is arranged on the bottom plate, the tray stacking plate (44) is arranged at the driving end of the second driving piece (45), and the second driving piece (45) drives the tray stacking plate (44) to lift;

the second driving piece (45) drives the stacking plate (44) to ascend to contact with the carrying disc, drives the carrying disc to ascend, and the carrying disc contacts with the supporting rotating plate (42), so that the supporting rotating plate (42) is driven to rotate upwards until the supporting rotating plate (42) is separated from the carrying disc, the supporting rotating plate (42) is reset, and the second driving piece (45) drives the stacking plate (44) to move downwards, so that the carrying disc is stacked on the supporting rotating plate (42).

9. The chip tray collecting and stacking device according to claim 8, wherein the second driving member (45) comprises a second flat plate, a second connecting rod, a second screw, a second servo motor, a second screw sleeve, a second linkage plate and a second ejector rod;

the number of the second flat plates is two, the two second flat plates are arranged in parallel, the second connecting rods are fixed on opposite sides of the two second flat plates, the second flat plates at the top are fixed at the bottom of the bottom plate, two ends of the second screw rod are respectively connected with the second flat plates in a rotating mode, the second servo motor is fixed on the second flat plates at the bottom, the second servo motor is connected with the second screw rod, the second screw sleeve is arranged on the second screw rod in a sleeved mode and is in threaded connection with the second screw rod, the second linkage plate is located between the two second flat plates, the second linkage plate is in sliding fit with the second connecting rods, the second screw sleeve is fixed on the second linkage plate, the second ejector rod is fixed on the second linkage plate, and the second ejector rod is fixed with the bottom of the stacking plate (44).

10. A chip tray collecting and stacking device according to claim 1, wherein the stacking mechanism (4) further comprises a second conveyor belt (43), the second conveyor belt (43) being arranged on the opposite side of the riser, the placement mechanism (3) placing the tray onto the second conveyor belt (43), the second conveyor belt (43) conveying the tray directly under the stacking rack.