CN113857060A

CN113857060A - Automatic screening machine suitable for MiniLED product detection

Info

Publication number: CN113857060A
Application number: CN202110965786.0A
Authority: CN
Inventors: 张伟
Original assignee: Shenzhen Henggong Technology Co ltd
Current assignee: Shenzhen Henggong Technology Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2021-12-31

Abstract

The invention provides an automatic screening machine suitable for MiniLED product detection, belongs to the technical field of screening machines, and aims to solve the problems that an LED device on the existing screening machine is easy to deviate under the inertia effect, so that the LED device is deviated from a vision camera, and the detection quality of the screening machine is reduced; the box up end is equipped with the workstation, and the screening mechanism and rotating part are installed respectively to the workstation up end left and right sides, installs vacuum portion on the screening mechanism. According to the screening machine, the vacuum part is arranged, and the LED device is sucked to the concave surface on the outer side of the shielding filter screen after the suction force is generated in the vacuum part, so that the LED device output by the material conveying part can be positioned at the edge of the upper end surface of the glass turntable, the LED device is not easy to deviate under the inertia effect when the material conveying part is output, the LED device is not deviated from the vision camera, and the detection quality of the screening machine is greatly improved.

Description

Automatic screening machine suitable for MiniLED product detection

Technical Field

The invention belongs to the technical field of screening machines, and particularly relates to an automatic screening machine suitable for MiniLED product detection.

Background

The MiniLED product refers to an LED device with the chip size of 50-200 mu m, and defective products are generally required to be detected and then screened out in the processing and manufacturing process of the LED device.

For example, application No.: CN201310255604.6 the invention discloses a glass rotary table vision screening device, which comprises a storage feeding device, a conveying material channel connected with the storage feeding device and used for conveying materials, a glass rotary table transmission mechanism used for receiving materials, a magnetic base mechanism capable of positioning blanking positions during material receiving, an arrangement wheel mechanism used for righting materials to rotate along with the glass rotary table transmission mechanism, a photographic vision detection mechanism, a backlight plate adjusting mechanism, a defective product unloading mechanism, a good product unloading mechanism and an unloading mechanism of a product to be detected; the arrangement wheel mechanism, the backlight plate adjusting mechanism, the photographic visual detection mechanism, the defective product unloading mechanism, the non-defective product unloading mechanism and the to-be-detected product unloading mechanism are sequentially arranged around the glass turntable transmission mechanism. The glass rotary table vision screening device can detect and screen various materials, is high in overall reliability and free of influence of material varieties, achieves detection and screening of the materials through related operations of feeding, glass rotary table material transferring, in-place detection, photographing analysis, discharging and the like, and has detection accuracy rate reaching 99.99%.

At present, when the miniLED product is inspected and screened, the traditional screening mode is screening by manual naked eyes, which not only wastes time and labor and increases labor force, but also can be used by some processing plants for improving the screening efficiency of the miniLED product, while the existing screening machine can be used for shooting and detecting defective products through a vision camera to improve the screening efficiency, but a vibration disc and a glass rotary disc on the existing screening machine are usually installed on two workbenches, so that the occupied area of the screening machine is increased, and four threaded support legs at the bottom of a box body need to be screwed to the upper part of a moving wheel during moving, so that the moving is troublesome, and when an LED device slides to the edge of the upper end face of the glass rotary disc from the outlet of the vibration disc, the LED device is easy to deviate under the action of inertia, so that the LED device deviates from the vision camera, thereby degrading the quality of the screening machine.

Disclosure of Invention

In order to solve the technical problems, the invention provides an automatic screening machine suitable for miniLED product detection, and aims to solve the problems that a vibration disc and a glass rotary disc on the existing screening machine are usually arranged on two workbenches, so that the occupied area of the screening machine is increased, four threaded support legs at the bottom of a box body are required to be screwed to the upper part of a moving wheel during moving, so that the moving is troublesome, and when an LED device slides to the edge of the upper end face of the glass rotary disc from an outlet of the vibration disc, the LED device is easy to deviate under the action of inertia, so that the LED device is deviated from a vision camera, and the detection quality of the screening machine is reduced.

The invention relates to an automatic screening machine suitable for MiniLED product detection, which has the purpose and the effect and is achieved by the following specific technical means:

an automatic screening machine suitable for MiniLED product detection comprises a box body; the screening mechanism is provided with a vacuum part, a metal shaping hose is fixed on the rear side of the upper end face of the workbench, a position probe is arranged at the other end of the metal shaping hose in a downward bending manner, and a material collecting rack is arranged on the front side of the upper end face of the workbench; a PLC controller is installed on the right side in the box body, a computer main body is installed on the inner side of the top of the box body, the computer main body is connected with the PLC controller through a lead, a supporting piece is arranged at the bottom of the box body, and a pushing part is arranged on the rear side of the material collecting frame and positioned on the front side of the upper part of the rotating part; the utility model discloses a computer, including the box, workstation up end, three visual camera, position probe and PLC controller, workstation up end rear side on the box has three visual camera through the support mounting, and three visual camera all is ordinary electric connection with the computer main part, and position probe and PLC controller are ordinary electric connection.

Furthermore, the rotating part comprises a glass rotary table, a driving motor, a rotating shaft and supporting rollers, the central part of the bottom end face of the glass rotary table is fixed with the rotating shaft, the outer part of the lower end of the rotating shaft is rotatably connected with a shaft sleeve arranged on the upper end face of the workbench, the lower end of the outer part of the rotating shaft is provided with a worm wheel, the bottom end face of the glass rotary table is provided with an annular wear-resistant sheet, the left side of the glass rotary table is provided with a screening mechanism, the driving motor is arranged on the upper end face of the workbench, the driving motor is rotatably connected with a worm meshed with the worm wheel through a rotating shaft, the number of the supporting rollers is six, the six supporting rollers are all arranged on the upper end face of the workbench through supports, the six supporting rollers are distributed at the bottom of the glass rotary table in an annular array shape, and the six supporting rollers are all connected with the annular wear-resistant sheet on the bottom end face of the glass rotary table in a rolling manner;

furthermore, a supporting cover body is fixed on the upper portion of the box body, inspection ports are formed in four end faces of the supporting cover body in a circle, two glass doors are rotatably connected in the four inspection ports of the supporting cover body in the circle through rotating shafts, a supporting slide column is fixed at each of four included angles of the bottom end face of the box body, a connecting frame is fixed at the lower end of each supporting slide column, supporting pieces are arranged outside the four supporting slide columns in a sliding mode, four supporting legs are fixed on the bottom end face of the box body, a universal wheel is mounted at the lower end of each supporting leg, a rectangular supporting block is fixed in the middle of the front side of the connecting frame, and an adjusting screw is rotatably connected to the upper end face of each rectangular supporting block;

furthermore, the vacuum part is of a rectangular box-shaped structure, the opening at the right side of the vacuum part is of an arc-shaped structure, a shielding filter screen is fixedly embedded at the right side in the vacuum part and is of an arc-shaped net structure, the left end face of the vacuum part is connected with a communicating pipe, the other end of the communicating pipe is connected with a vacuum pump, the vacuum pump is installed in the middle of the upper end face of the supporting plate, and the vacuum pump and the driving motor are both in common electrical connection with the PLC;

furthermore, the screening mechanism comprises a supporting plate, a vibrating disc, a feeding hopper and a material conveying part, the supporting plate is fixed on the upper end face of the workbench, the vibrating disc and the feeding hopper are respectively installed on the front side and the rear side of the upper end face of the supporting plate, a vacuum part is arranged on the upper end face of the supporting plate, a rectangular discharge port is formed in the position, located on the upper portion of the rear side of the vibrating disc, of the front side of the feeding hopper, the material conveying part is arranged at the position, located on the upper portion of the glass rotary disc, of the discharge port on the right side of the vibrating disc, the material conveying part is located on the upper portion of the glass rotary disc, and the distance between the bottom end face of the material conveying part and the upper end face of the glass rotary disc is two millimeters to three millimeters;

furthermore, five support frames are uniformly fixed on the material collecting frame, a material collecting box slides in each support frame, a feed inlet is formed in the upper part of the rear end face of each material collecting box, a pushing part is arranged on the upper part of the rear side of each material collecting box, and the front end face of each material collecting box is of a transparent plate-shaped structure;

furthermore, the supporting piece is of a frame-shaped plate-shaped structure, four limiting sliding cylinders are fixed on the upper end face of the supporting piece, a nut connected with the adjusting screw in a threaded manner is fixed in the middle of the front side of the supporting piece, the four limiting sliding cylinders are respectively connected with four supporting sliding columns in a sliding manner, a threaded cylinder is fixed at each of four included angles of the bottom end face of the supporting piece, a horizontal fine adjustment screw penetrating through the supporting piece is connected inside each threaded cylinder in a threaded manner, the lower end of each horizontal fine adjustment screw is rotatably connected with a supporting rotating plate, and when the supporting piece is in a supporting state, the bottom end faces of the supporting rotating plates at the lower ends of the four horizontal fine adjustment screws are all contacted with the ground;

further, propelling movement portion includes arc supporting shoe and pusher, the arc supporting shoe is fixed in work or material rest upper portion rear side through two bracing pieces, and arc supporting shoe up end front side is and evenly describes and all installs a pusher in having offered five rectangle gaps in every rectangle gap, every pusher all is connected with the push plate through the telescopic link, and every pusher all is ordinary electric connection with the PLC controller.

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

1. according to the invention, through the arrangement of the supporting piece, when the screening machine moves, the nut on the supporting piece drives the supporting piece to move upwards under the action of the threads by rotating the adjusting screw rod, then the universal wheels at the lower ends of the four supporting legs are in contact with the ground, and then the screening machine can be moved to a required position.

2. According to the screening machine, the vacuum part is arranged, and the LED device is sucked to the concave surface on the outer side of the shielding filter screen after the suction force is generated in the vacuum part, so that the LED device output by the material conveying part can be positioned at the edge of the upper end surface of the glass turntable, the LED device is not easy to deviate under the inertia effect when the material conveying part is output, the LED device is not deviated from the vision camera, the detection quality of the screening machine is greatly improved, the automation degree is high, and the screening machine has good detection efficiency.

3. According to the invention, through the arrangement of the supporting rollers, in the rotating process of the glass turntable, the six supporting rollers are in rolling connection with the annular wear-resisting sheet at the bottom end face of the glass turntable, so that the glass turntable is more stable in rotation, the stability of an LED device in the rotating process is effectively improved, and the detection quality of the LED device is improved.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Fig. 2 is a schematic view of the present invention with the supporting cover removed.

FIG. 3 is a schematic diagram of the structure of the present invention after detachment.

Fig. 4 is a schematic view of the present invention at a part enlarged in fig. 2.

Fig. 5 is a schematic view of a rotary part according to the present invention.

Fig. 6 is a schematic view of the structure of the rotating part and the vacuum part of the present invention.

Fig. 7 is a schematic view of the support structure of the present invention.

Fig. 8 is a schematic structural view of the material collecting frame and the pushing part of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a box body; 101. a supporting cover body; 103. a support strut; 104. a connecting frame; 105. supporting legs; 106. adjusting the screw rod; 2. a screening mechanism; 201. a support plate; 202. a vibrating pan; 203. a hopper; 204. a material conveying part; 3. a rotating part; 301. a glass rotary table; 302. a drive motor; 303. a rotating shaft; 304. supporting the rollers; 4. a vacuum section; 401. a vacuum pump; 402. shielding the filter screen; 5. a PLC controller; 6. a computer main body; 7. a support member; 701. a threaded barrel; 702. horizontally fine-adjusting a screw rod; 703. a limiting sliding cylinder; 8. a material collecting frame; 801. a support frame; 802. a material collecting box; 9. a position probe; 10. a vision camera; 11. a pushing section; 1101. an arc-shaped supporting block; 1102. and a pushing device.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the invention provides an automatic screening machine suitable for MiniLED product detection, which comprises: a box body 1; a workbench is arranged on the upper end face of the box body 1, the left side and the right side of the upper end face of the workbench are respectively provided with a screening mechanism 2 and a rotating part 3, a supporting cover body 101 is fixed on the upper part of the box body 1, inspection ports are formed in four end faces of the supporting cover body 101 in a circle, and two glass doors are rotatably connected in four inspection ports of the supporting cover body 101 in a circle through rotating shafts, so that the maintenance and the use of internal parts of the supporting cover body 101 are facilitated; four included angles of the bottom end face of the box body 1 are all fixed with a supporting sliding column 103, the lower ends of the four supporting sliding columns 103 are fixed with a connecting frame 104, firmness among the four supporting sliding columns 103 is improved, supporting pieces 7 are arranged outside the four supporting sliding columns 103 in a sliding mode, four supporting legs 105 are fixed on the bottom end face of the box body 1, the lower end of each supporting leg 105 is provided with a universal wheel for moving the screening machine, a rectangular supporting block is fixed in the middle of the front side of the connecting frame 104, and the upper end face of the rectangular supporting block is rotatably connected with an adjusting screw 106;

the screening mechanism 2 is provided with a vacuum part 4, the screening mechanism 2 comprises a supporting plate 201, a vibrating disc 202, a feeding hopper 203 and a material conveying part 204, the supporting plate 201 is fixed on the upper end surface of the workbench, the front side and the rear side of the upper end surface of the supporting plate 201 are respectively provided with the vibrating disc 202 and the feeding hopper 203, and the upper end surface of the supporting plate 201 is provided with the vacuum part 4; a rectangular discharge hole is formed in the front side of the loading hopper 203 and located at the upper portion of the rear side of the vibration disc 202 and used for conveying LED devices, a material conveying part 204 is arranged at the discharge hole in the right side of the vibration disc 202, the material conveying part 204 is located above the glass rotary disc 301, and the bottom end face of the material conveying part 204 is two millimeters to three millimeters away from the upper end face of the glass rotary disc 301, so that the bottom end face of the material conveying part 204 and the upper end face of the glass rotary disc 301 are prevented from being abraded; a metal shaping hose is fixed on the rear side of the upper end face of the workbench, a position probe 9 is arranged at the other end of the metal shaping hose in a downward bending shape, and a material collecting rack 8 is arranged on the front side of the upper end face of the workbench;

five supporting frames 801 are uniformly fixed on the material collecting frame 8, and a material collecting box 802 slides in each supporting frame 801; the upper parts of the rear end surfaces of the five material collecting boxes 802 are provided with a feeding hole, the upper parts of the rear sides of the five material collecting boxes 802 are provided with pushing parts 11 for pushing detected LED devices, and the front end surface of each material collecting box 802 is of a transparent plate-shaped structure, so that the quantity of the LED devices in the material collecting boxes 802 can be observed more visually; a PLC (programmable logic controller) 5 is installed on the right side in the box body 1, a computer main body 6 is installed on the inner side of the top of the box body 1, and the computer main body 6 is connected with the PLC 5 through a wire;

the bottom of the box body 1 is provided with a support piece 7, the support piece 7 is of a frame-shaped plate-shaped structure, the upper end face of the support piece 7 is fixedly provided with four limiting sliding barrels 703, the middle part of the front side of the support piece 7 is fixedly provided with a nut in threaded connection with the adjusting screw 106, and the four limiting sliding barrels 703 are respectively in sliding connection with the four supporting sliding columns 103, so that the support piece 7 is more stable in up-and-down movement; four included angles of the bottom end face of the support member 7 are respectively fixed with a threaded barrel 701, a horizontal fine-tuning screw 702 penetrating through the support member 7 is connected inside each threaded barrel 701 through threads and used for adjusting the horizontal condition of the support member 7, the lower end of each horizontal fine-tuning screw 702 is rotatably connected with a supporting rotating plate and used for supporting the support member 7, and when the support member 7 is in a supporting state, the bottom end faces of the supporting rotating plates at the lower ends of the four horizontal fine-tuning screws 702 are all in contact with the ground, so that the screening machine is more stable in use, simple in structure and convenient and fast to operate; a pushing part 11 is arranged at the rear side of the material collecting frame 8 and at the front side of the upper part of the rotating part 3; three vision cameras 10 are installed on the rear side of the upper end face of the workbench on the box body 1 through a support, the three vision cameras 10 are all in common electric connection with the computer main body 6, and the position probe 9 is in common electric connection with the PLC 5.

Referring to fig. 1, 2 and 5, the rotating portion 3 includes a glass turntable 301, a driving motor 302, a rotating shaft 303 and a supporting roller 304, the rotating shaft 303 is fixed at the center of the bottom end face of the glass turntable 301, a shaft sleeve mounted on the upper end face of the workbench is rotatably connected to the outer portion of the lower end of the rotating shaft 303, a worm wheel is arranged at the outer lower end of the rotating shaft 303, an annular wear-resistant sheet is arranged on the bottom end face of the glass turntable 301, so that the wear phenomenon of the supporting roller 304 on the bottom end face of the glass turntable 301 can be avoided, and the left side of the glass turntable 301 is provided with a sieving mechanism 2; driving motor 302 installs at the workstation up end, and driving motor 302 rotates through the pivot to be connected with the worm that meshes mutually with the worm wheel, the quantity of supporting roller 304 is six, and six supporting roller 304 are all through the support mounting at the workstation up end, be used for the support to glass carousel 301, improve glass carousel 301 stability, six supporting roller 304 are annular array form distribution in glass carousel 301 bottom, and six supporting roller 304 all are connected with the annular wear pad roll of glass carousel 301 bottom face, thereby make glass carousel 301 more steady reliable when rotating.

Referring to fig. 5 and 6, the vacuum part 4 is of a rectangular box-shaped structure, an opening on the right side of the vacuum part 4 is of an arc-shaped structure, a shielding filter net 402 is fixedly embedded on the right side inside the vacuum part 4, and the shielding filter net 402 is of an arc-shaped net structure, so that the LED device can move along the arc-shaped net after being sucked to the outer surface of the shielding filter net 402; vacuum portion 4 left end face is connected with a communicating pipe, and the other end of communicating pipe is connected with vacuum pump 401 for breathe in to vacuum portion 4 inside, vacuum pump 401 installs in backup pad 201 up end middle part, and vacuum pump 401 and driving motor 302 all be ordinary electric connection with PLC controller 5, open and close through the steerable vacuum pump 401 of PLC controller 5 and driving motor 302.

Referring to fig. 4 and 8, the pushing part 11 includes an arc-shaped supporting block 1101 and a pushing device 1102, the arc-shaped supporting block 1101 is fixed on the rear side of the upper part of the material collecting frame 8 through two supporting rods, and the front side of the upper end face of the arc-shaped supporting block 1101 is uniformly provided with five rectangular notches, and each rectangular notch is internally provided with one pushing device 1102; every pusher 1102 all is connected with the propelling movement board through the telescopic link, and every pusher 1102 all is ordinary electric connection with PLC controller 5 to control pusher 1102 telescopic link through PLC controller 5 and carry out flexible operation.

In another embodiment, a metal magnetic attraction plate is disposed on each of the left and right sides of the front surface of each support frame 801, a rectangular magnet is disposed on each of the left and right sides of the front surface of each material collection box 802, and when the material collection box 802 is in a closed state on the support frame 801, the two rectangular magnets on the material collection box 802 are magnetically attracted to the two metal magnetic attraction plates on the support frame 801, so that the material collection box 802 is more stable in the closed state.

When in use: when the screening machine needs to move, firstly, the adjusting screw 106 is rotated, so that the nut on the support piece 7 drives the support piece 7 to move upwards under the action of threads, then the four threaded cylinders 701 drive the four horizontal fine tuning screws 702 to move upwards, so that the support rotating plates at the lower ends of the four horizontal fine tuning screws 702 are separated from the ground, then the universal wheels at the lower ends of the four support legs 105 are in contact with the ground, and then the screening machine is moved to a required position through the universal wheels in contact with the ground;

when screening defective products, firstly, the LED devices are placed in a feeding hopper 203, then the feeding hopper 203 enables the LED devices to enter a vibration disc 202 under the vibration effect, then the LED devices enter a material conveying groove of a material conveying part 204 through a material outlet of the vibration disc 202, then the LED devices are guided by the material conveying part 204 and then move to the edge of the upper end face of a glass turntable 301, then a PLC (programmable logic controller) 5 starts a driving motor 302 and a vacuum pump 401, a worm drives a worm wheel to rotate, so that a rotating shaft 303 drives the glass turntable 301 to rotate, then the glass turntable 301 drives the LED devices to rotate clockwise, and the vacuum pump 401 enables the inside of a vacuum part 4 to generate suction while the LED devices rotate, then the LED devices are sucked to the concave face outside a shielding filter screen 402, so that the LED devices output by the material conveying part 204 can be located at the edge position of the upper end face of the glass turntable 301, and then the position of each LED device in the rotating process is detected by a position probe 9, and position information is sent to the PLC controller 5, then after the LED device rotates to the bottom of the vision camera 10, shooting and detecting are carried out on the LED device through the vision camera 10, shot images are sent to the computer main body 6, then the shot images are calculated through software on the computer main body 6, whether the LED device is defective or not is analyzed, after the defective product occurs, a pushing device 1102 corresponding to the right side is started through the PLC controller 5, then the defective product is pushed to the inside of the material collecting box 802 through a pushing plate on the pushing device 1102 on the right side, the defective product is sequentially pushed to the inside of the material collecting box 802 on the leftmost side through the pushing plate on the pushing device 1102 on the leftmost side, and therefore the detection and screening work of the screening machine is completed.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides an automatic sieve separator suitable for miniLED product detection which characterized in that: the sieve separator includes: a box body (1);

a workbench is arranged on the upper end face of the box body (1), a screening mechanism (2) and a rotating part (3) are respectively arranged on the left side and the right side of the upper end face of the workbench, a vacuum part (4) is arranged on the screening mechanism (2), a metal shaping hose is fixed on the rear side of the upper end face of the workbench, a position probe (9) is arranged at the other end of the metal shaping hose, and a material collecting rack (8) is arranged on the front side of the upper end face of the workbench;

a PLC (programmable logic controller) (5) is installed on the right side in the box body (1), a computer main body (6) is installed on the inner side of the top of the box body (1), the computer main body (6) is connected with the PLC (5) through a lead, a supporting piece (7) is arranged at the bottom of the box body (1), and a pushing portion (11) is arranged on the rear side of the material collecting frame (8) and located on the front side of the upper portion of the rotating portion (3);

the utility model discloses a cabinet, including box (1), workstation up end rear side on the box has three vision camera (10) through the support mounting, and three vision camera (10) all be ordinary electric connection with computer main part (6), and position probe (9) are ordinary electric connection with PLC controller (5).

2. The automated screening machine suitable for MiniLED product testing of claim 1, wherein: a supporting cover body (101) is fixed at the upper part of the box body (1), inspection ports are formed in four end faces of the supporting cover body (101) on the periphery, and two glass doors are rotatably connected in the four inspection ports on the periphery of the supporting cover body (101) through rotating shafts;

four contained angle departments of box (1) bottom face all are fixed with one and support traveller (103), and four support traveller (103) lower extremes are fixed with connection frame (104), and four support traveller (103) outside slides have support piece (7), and box (1) bottom face is fixed with four supporting legs (105), and a universal wheel is all installed to every supporting leg (105) lower extreme, and connection frame (104) front side middle part is fixed with the rectangle supporting shoe, and rectangle supporting shoe up end rotates and is connected with an adjusting screw (106).

3. The automated screening machine suitable for MiniLED product testing of claim 1, wherein: the rotating part (3) comprises a glass rotary table (301), a driving motor (302), a rotating shaft (303) and supporting rollers (304), the rotating shaft (303) is fixed at the center of the bottom end face of the glass rotary table (301), a shaft sleeve mounted on the upper end face of the workbench is rotatably connected to the outer portion of the lower end of the rotating shaft (303), a worm wheel is arranged at the lower end of the outer portion of the rotating shaft (303), an annular wear-resistant sheet is arranged on the bottom end face of the glass rotary table (301), and a screening mechanism (2) is arranged on the left side of the glass rotary table (301);

driving motor (302) are installed at the workstation up end, and driving motor (302) rotate through the pivot and be connected with the worm with worm wheel engaged with, and the quantity of supporting roller (304) is six, and six supporting roller (304) all through the support mounting at the workstation up end.

4. The automated screening machine suitable for MiniLED product inspection of claim 3, wherein: the screening mechanism (2) comprises a supporting plate (201), a vibrating disc (202), a feeding hopper (203) and a material conveying part (204), the supporting plate (201) is fixed on the upper end face of the workbench, the vibrating disc (202) and the feeding hopper (203) are respectively installed on the front side and the rear side of the upper end face of the supporting plate (201), and a vacuum part (4) is arranged on the upper end face of the supporting plate (201);

hopper (203) front side is located vibration dish (202) rear side upper portion and is equipped with the rectangle discharge gate, and vibration dish (202) right side discharge gate department is equipped with defeated material spare (204), and defeated material spare (204) are located glass carousel (301) top position to defeated material spare (204) bottom end face is apart from two millimeters to three millimeters on glass carousel (301).

5. The automated screening machine suitable for MiniLED product inspection of claim 4, wherein: the vacuum part (4) is of a rectangular box-shaped structure, an opening on the right side of the vacuum part (4) is of an arc-shaped structure, a shielding filter screen (402) is fixedly embedded in the right side inside the vacuum part (4), and the shielding filter screen (402) is of an arc-shaped screen structure;

vacuum portion (4) left end face is connected with a communicating pipe, and the other end of communicating pipe is connected with vacuum pump (401), and vacuum pump (401) are installed in backup pad (201) up end middle part, and vacuum pump (401) and driving motor (302) all are ordinary electric connection with PLC controller (5).

6. The automated screening machine suitable for MiniLED product inspection of claim 2, wherein: the supporting piece (7) is of a frame-shaped plate-shaped structure, four limiting sliding cylinders (703) are fixed on the upper end face of the supporting piece (7), a nut in threaded connection with the adjusting screw rod (106) is fixed in the middle of the front side of the supporting piece (7), and the four limiting sliding cylinders (703) are respectively in sliding connection with the four supporting sliding columns (103);

four included angles of the bottom end face of the supporting piece (7) are fixed with a thread cylinder (701), a horizontal fine-tuning screw (702) penetrating through the supporting piece (7) is connected inside each thread cylinder (701) through threads, and the lower end of each horizontal fine-tuning screw (702) is rotatably connected with a supporting rotating plate.

7. The automated screening machine suitable for MiniLED product testing of claim 1, wherein: five supporting frames (801) are uniformly fixed on the material collecting frame (8), and a material collecting box (802) slides in each supporting frame (801);

five the upper portion of the rear end face of the material collecting box (802) is provided with a feeding hole, the upper portion of the rear side of the five material collecting boxes (802) is provided with a pushing portion (11), and the front end face of each material collecting box (802) is of a transparent plate-shaped structure.

8. The automated screening machine suitable for MiniLED product inspection of claim 7, wherein: the pushing part (11) comprises an arc-shaped supporting block (1101) and a pushing device (1102), the arc-shaped supporting block (1101) is fixed on the rear side of the upper part of the material collecting frame (8) through two supporting rods, and the front side of the upper end face of the arc-shaped supporting block (1101) is uniformly provided with five rectangular notches, and each rectangular notch is internally provided with one pushing device (1102);

each pushing device (1102) is connected with a pushing plate through a telescopic rod, and each pushing device (1102) is commonly electrically connected with the PLC (5).

9. The automated screening machine suitable for MiniLED product inspection of claim 3, wherein: the six supporting rollers (304) are distributed at the bottom of the glass rotary table (301) in an annular array shape, and the six supporting rollers (304) are connected with an annular wear-resistant sheet on the bottom end face of the glass rotary table (301) in a rolling mode.

10. The automated screening machine suitable for MiniLED product inspection of claim 2, wherein: when the supporting piece (7) is in a supporting state, the bottom end faces of the supporting rotating plates at the lower ends of the four horizontal fine adjustment screw rods (702) are all in contact with the ground.