CN213110034U

CN213110034U - Temporary storage device for LED support packing paper

Info

Publication number: CN213110034U
Application number: CN202022092642.2U
Authority: CN
Inventors: 林育楨; 陳建華
Original assignee: Boluo Chengchuang Precision Industry Co ltd
Current assignee: Boluo Chengchuang Precision Industry Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-05-04
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a temporary storage device for backing paper of a LED bracket, which comprises a frame, a stacking turn, a qualified product temporary storage area and a backing paper mechanism, wherein the stacking turn is used for butt joint with a previous station bracket conveying device, and the stacking turn is arranged at the tail end of the previous station bracket conveying device, so that the LED bracket automatically falls into the stacking turn under the inertia effect, and the bottom of the stacking turn can be opened; the qualified product temporary storage area is arranged below the stacking turns. The utility model provides a LED support packing paper temporary storage device collects qualified LED support is automatic through setting up the material circle of folding at last station support conveying equipment tail end, through the automatic paper of inhaling of realization of packing paper mechanism and putting the paper action, and the material of folding behind the packing paper piece falls in qualified products temporary storage area automatically, waits for subsequent packing operation. The device can reduce the labor intensity of workers, the packing treatment efficiency of the qualified packing paper is extremely high, the mechanical equipment automatically packs the paper and stacks the material, so that the edge of the stacked material is neat, and secondary shaping is not needed during subsequent packing.

Description

Temporary storage device for LED support packing paper

Technical Field

The application belongs to the technical field of LED support processing equipment, concretely relates to LED support packing paper temporary storage device.

Background

The RGB three-color LED lamp bead of encapsulation generally is applied to the open air, all has the application in places such as advertising light boxes, display screen, and RGB three-color light source comprises the paster of three kinds of colours red (R), green (G), blue (B), and conventional LED lamp bead has LED7070 (overall dimension is 7.0mm 1.1mm), LED5050 (overall dimension is 5.0mm 1.6mm), LED3535 (overall dimension is 3.5mm 2mm) to and miniature type (overall dimension is no longer than 2.0mm) etc..

The LED support is a bottom base of the LED lamp bead before packaging, the chip is fixed on the LED support, the positive electrode and the negative electrode are welded, and packaging glue is used for packaging and forming at one time. The LED support is generally manufactured in batch, a copper plate with material (at present, also made of iron, aluminum, etc.) is provided with a plurality of rows of conductive supports as conductive terminals (the conductive terminals still belong to a part of the copper plate with material), and then the copper plate with material is placed into an injection molding machine to be injection molded to form a plastic main body, after the plastic main body is embedded and molded with the conductive terminals, the solder pins of the conductive terminals are bent, and in the bending step, the conductive terminals are punched and cut from the copper plate with material, and then bent.

The LED lamp beads are widely applied to manufacturing of display screen backlight sources, along with the development of domestic and foreign scientific and technical economy, the types, models and number models of the requirements of the LED lamp beads are larger and larger, and the requirements on the size parameters and the surface perfection of the outer surfaces of the LED lamp beads are higher and higher. For the manufacturers of the LED lamp beads, the detection procedures of the appearance shape, the size and the surface defects of the product occupy an important position in the whole process flow, and occupy larger manpower, field and capital resources.

Due to the mass production of the LED support, the produced LED support often has the condition of glue shortage (plastic defect, for example, the plastic is not filled up, and the surface of the plastic main body has a pit) or plastic falling off (short for PIN shortage). When in packaging, defective products need to be sorted out, and detected qualified products need to be packed in a packing paper mode. At present, the packing of the qualified packing paper is generally carried out manually, and operators pack the qualified packing paper and stack the qualified packing paper. The mode has the advantages of high labor intensity and low efficiency, and the stacked materials are not uniform and need to be reshaped during packaging, thereby influencing the improvement of the overall quality of products and the reduction of production cost.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a LED support packing paper temporary storage device can carry out qualified LED support's packing paper pile material packing automatically.

Realize the utility model discloses technical scheme that the purpose adopted does, a LED support packing paper temporary storage device, including the frame and install in fold material circle, certified products temporary storage area and packing paper mechanism in the frame, wherein:

the stacking turn is used for being connected with the previous station support conveying equipment in an abutting mode, the stacking turn is arranged at the tail end of the previous station support conveying equipment, so that the LED support automatically falls into the stacking turn under the action of inertia, and the bottom of the stacking turn can be opened; the qualified product temporary storage area is arranged below the stacking turns;

the paper packing mechanism comprises a paper piece loading circle, a paper suction device, a paper packing horizontal displacement device and a paper packing vertical displacement device, the paper piece loading circle is used for containing support partition paper, the paper suction device is used for sucking the support partition paper, and the paper suction device is driven by the paper packing horizontal displacement device and the paper packing vertical displacement device to move horizontally/vertically so that the paper suction device can be switched between a position above the paper piece loading circle and a position above the stacking circle.

Optionally, the stacking turn includes two side plates, an end plate and the bottom, the side plates, the end plate and the bottom enclose a material receiving channel with side surfaces and a top surface, the side surface opening of the material receiving channel is used for being in butt joint with the tail end of the support conveying equipment at the previous station, and the top surface opening is used for being in butt joint with the paper suction device.

Optionally, at least one open in the curb plate has at least one along the flexible passageway of horizontal direction extension, the bottom includes at least one flexible actuating mechanism and driven baffle thereof, flexible actuating mechanism is located outside receiving the material passageway, the baffle passes through flexible actuating mechanism drive, flexible removal in the flexible passageway is in order to stretch into receive in the material passageway and stretch out receive and switch between two outer positions of material passageway.

Optionally, at least one telescopic channel is formed in each of the two side plates, the telescopic channels are distributed up and down along the height direction, and the telescopic channels in the two side plates, which are opposite to each other, have the same height;

the bottom comprises at least two telescopic driving mechanisms and at least two baffles, and the telescopic driving mechanisms and the baffles are symmetrically distributed on two sides of the stacking turn.

Optionally, a guide piece is arranged in front of the opening on the side surface of the stacking turn, the upper surface of the guide piece is a curved surface which is bent downwards, the upper end of the curved surface is in butt joint with the tail end of the support conveying equipment at the previous station, and the lower end of the curved surface is in butt joint with the bottom.

Optionally, a distance between the bottom of the stacking turn and the qualified product temporary storage area is smaller than a set stacking height, and one of the side plates of the stacking turn is a movable plate capable of lifting and moving.

Optionally, the temporary storage device for the packing paper of the LED bracket further comprises a baffle lifting mechanism, and the baffle lifting mechanism is installed on the rack and used for driving the movable plate to lift.

Optionally, the qualified product temporary storage area is packaging conveying equipment, the head end of the packaging conveying equipment is arranged below the stacking turn, and the side plate of the stacking turn facing the tail end of the packaging conveying equipment is a movable plate.

Optionally, the paper sheet loading circle comprises a side edge and a lifting supporting plate.

Optionally, the paper packing mechanism further comprises a supporting plate lifting device, and the supporting plate lifting device is used for driving the supporting plate to lift so as to change the groove depth of the paper piece charging turns.

According to the above technical scheme, the utility model provides a LED support packing paper temporary storage device, including the frame and install fold material circle, certified products temporary storage area and packing paper mechanism in the frame, this LED support packing paper temporary storage device can directly be applied to current LED support check out test set, has detected the support and has carried out automatic packing paper packing to qualified LED support after grading at LED support check out test set. The utility model provides a fold material circle of LED support packing paper temporary storage device is used for butt joint a station support conveying equipment, and qualified LED support falls into the fold material circle according to inertia automation from a station support conveying equipment's tail end, is convenient for carry out the packing to qualified LED support. The bottom of the stacking turn can be opened, so that the stacked material automatically falls into a temporary storage area of the qualified products arranged below the stacking turn. The paper packing mechanism is used for placing support separation paper in the stacking turns, and comprises paper piece loading turns, a paper suction device, a paper packing horizontal displacement device and a paper packing vertical displacement device, wherein the paper piece loading turns are used for containing the support separation paper, the paper suction device is used for sucking the support separation paper, and the paper suction device is driven by the paper packing horizontal displacement device and the paper packing vertical displacement device to move horizontally/vertically so that the paper suction device is switched between the position above the paper piece loading turns and the position above the stacking turns to realize the actions of paper suction and paper discharge.

Compared with the prior art, the utility model provides a LED support packing paper temporary storage device collects qualified LED support is automatic through setting up the material circle of piling of last station support conveying equipment tail end, through the automatic paper of inhaling of realization of packing paper mechanism and putting the paper action, and the material of piling behind the packing paper piece falls in qualified products temporary storage area automatically, waits for subsequent packing operation. The device can reduce the labor intensity of workers, the packing treatment efficiency of the qualified packing paper is extremely high, the mechanical equipment automatically packs the paper and stacks the material, so that the edge of the stacked material is neat, and secondary shaping is not needed during subsequent packing.

Drawings

Fig. 1 is a first schematic structural diagram of an LED support packing paper temporary storage device in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the temporary storage device for LED support packing paper in the embodiment of the present invention.

Description of reference numerals: 100-a previous station bracket conveying device; 400-LED support packing paper temporary storage device, 410-stacking turn, 411-receiving channel, 412-side plate, 413-end plate, 414-bottom, 4141-telescopic driving mechanism, 4142-baffle, 415-telescopic channel, 420-qualified product temporary storage area, 430-packing paper mechanism, 431-paper piece charging turn, 4311-pallet, 4312-side edge, 432-paper suction device, 433-packing paper horizontal displacement device, 434-packing paper vertical displacement device, 435-lifting device, 4351-stepping motor, 4352-lifting plate, 440-baffle lifting mechanism, 441-lifting driving mechanism, 442-connecting piece, 443-pull rod, 450-guiding piece; 500-frame.

Detailed Description

In order to make the present application more clearly understood by those skilled in the art to which the present application pertains, the following detailed description of the present application is made with reference to the accompanying drawings by way of specific embodiments.

The embodiment of the utility model provides a LED support packing paper temporary storage device 400, its structure is shown in fig. 1 and fig. 2, including frame 500 and install fold material circle 410, certified products temporary storage area 420 and packing paper mechanism 430 on frame 500. The LED support packing paper temporary storage device 400 can be directly applied to the existing LED support detection equipment, and packing paper packaging processing is carried out on qualified LED supports after the LED support detection equipment detects and classifies the supports. The structure of each component of the LED frame packing paper temporary storage device 400 is described in detail below with reference to an embodiment:

referring to fig. 1, the stacking coil 410 is used for butting the rack conveying equipment 100 at the previous station, and the stacking coil 410 is arranged at the tail end of the rack conveying equipment 100 at the previous station, i.e. the output end of the rack conveying equipment 100 at the previous station, so that the LED rack automatically falls into the stacking coil 410 under the inertia effect.

Specifically, referring to fig. 1 and fig. 2, in the present embodiment, the stacking turn 410 includes two side plates 412, an end plate 413 and a bottom 414, the side plates 412, the end plate 413 and the bottom 414 define a material receiving channel 411 with side and top openings, the side opening of the material receiving channel 411 is used for being abutted with the tail end of the support conveying device 100 at the previous station, so that a qualified LED support can automatically enter the material receiving channel 411, and the top opening is used for being abutted with the paper cushion mechanism 430, so that the support partition paper falls into the material receiving channel 411. In order to improve the neatness of the stacked materials, an alignment push plate may be optionally arranged on the inner side of the end plate 413, and the edges of the stacked materials are aligned through the alignment push plate, so that subsequent packaging is facilitated.

In order to ensure that the qualified LED support can smoothly enter the material receiving channel 411 without material jamming, referring to fig. 2, in this embodiment, a guide member 450 is disposed in front of the side opening of the material stacking turn 410, and the guide member 450 is specifically disposed at the tail end of the support conveying equipment 100 at the previous station and is located between the support conveying equipment 100 at the previous station and the material stacking turn 410. The upper surface of the guiding member 450 is a curved surface which is bent downwards, the upper end of the curved surface is in butt joint with the tail end of the support conveying equipment 100 at the previous station, the lower end of the curved surface is in butt joint with the bottom of the material stacking turn 410, and the qualified LED support smoothly enters the material receiving channel 411 along the curved surface under the action of gravity and inertia without material blockage.

The bottom of expecting circle 410 can be opened, and the mode of opening can adopt any current mode of opening, and the bottom of expecting the circle 410 of expecting for example passes through the elastic component and is connected with expecting the other parts of circle 410, and qualified LED support is automatic under the action of gravity opens the bottom, perhaps adopts actuating mechanism drive bottom to open etc. the mode of opening and the structure of opening of expecting the bottom of circle 410 the utility model discloses do not do the restriction.

In this embodiment, the bottom of the stacking ring 410 is driven to open by a driving mechanism. Referring to fig. 1 and 2, at least one side plate 412 is provided with at least one telescopic channel 415 extending along the horizontal direction, the bottom 414 comprises at least one telescopic driving mechanism 4141 and a baffle 4142 driven by the telescopic driving mechanism 4141, the telescopic driving mechanism 4141 is located outside the material receiving channel 411, the baffle 4142 is driven by the telescopic driving mechanism 4141 to move telescopically in the telescopic channel 415 so as to switch between two positions of extending into the material receiving channel 411 and extending out of the material receiving channel 411, and the baffle 4142 serves as a bottom plate of the stacking turn 410. When there is only one baffle 4142, the telescopic driving mechanism 4141 preferably selects an air cylinder to ensure that the area of the baffle 4142 inside the material receiving channel 411 meets the requirement of stably supporting the qualified LED support after the baffle 4142 is completely extended out.

As a preferred embodiment, at least one telescopic channel 415 is formed in each of the two side plates 412 of the stacking turn 410, the heights of the telescopic channels 415 opposite to each other in the two side plates 412 are the same, and when more than two telescopic channels 415 are formed, the telescopic channels 415 are parallel to each other in the height direction and are distributed up and down. Correspondingly, the bottom 414 comprises at least two telescoping actuating mechanisms 4141 and at least two baffles 4142, the telescoping actuating mechanisms 4141 and the baffles 4142 are symmetrically distributed on both sides of the lap 410, and the two baffles 4142 at the same height are simultaneously extended or simultaneously retracted to close or open the bottom channel of the lap 410. The closing or opening process is made faster and the operating efficiency is improved by the two flaps 4142 cooperating to close or open the bottom channels of the lap turns 410.

The number of telescoping channels 415, telescoping drive mechanisms 4141 and flappers 4142 depends on the height difference between the lap turns 410 and the accept buffer 420, and the set lap height. For example, if the set stacking height is high, the height difference between the stacking turn 410 and the qualified product temporary storage area 420 is large, and the qualified LED support and the support separation paper may shift in the dropping process, at this time, at least two sets of the telescopic driving mechanisms 4141 and the baffles 4142 should be arranged in the height direction, so that the qualified LED support and the support separation paper gradually drop, and the LED support is prevented from shifting by the buffering of the baffles 4142.

The good product temporary storage area 420 is arranged below the stacking turns 410 and used for temporarily storing stacked materials. The optional thing platform of a qualification product buffer 420, perhaps other mechanisms that can stably place the fold material, concrete structure the utility model discloses do not do the restriction. Referring to fig. 1 and 2, in the present embodiment, the non-defective product buffer 420 is a packing conveyor, and the head end of the packing conveyor is disposed below the stacking loop 410, so that the stacked materials can be sequentially transferred to the next process by the packing conveyor.

Since the qualified product temporary storage area 420 is a fixed member in this embodiment, the height thereof is not changed, and as the stacking height increases, the qualified LED brackets and the bracket separation paper are gradually accumulated in the material receiving channel 411, and the LED brackets at the upper part cannot be transferred due to the blocking of the side plate 412. To solve this problem, in this embodiment, the distance between the bottom of the stacking turn 410 and the good product temporary storage area 420 is smaller than the set stacking height, so as to ensure that several LED brackets at the initial stage of stacking stably fall on the good product temporary storage area 420 without displacement. One of the side plates 412 of the stacking coil 410 is provided as a movable plate 4121 which can move up and down, as shown in fig. 2, specifically, the movable plate 4121 is the side plate of the stacking coil 410 facing the tail end of the packaging conveying device. Correspondingly, the temporary storage device for the packing paper of the LED bracket further comprises a baffle lifting mechanism 440, and the baffle lifting mechanism 440 is mounted on the frame 500 and used for driving the movable plate 4121 to lift.

Specifically, referring to fig. 1 and 2, the baffle elevating mechanism 440 includes an elevating driving mechanism 441, a connecting member 442 and two pull rods 443 connected in sequence, the elevating driving mechanism 441 is preferably an air cylinder, the air cylinder drives the connecting member 442 to ascend and descend, the two pull rods 443 are vertical rods and parallel to each other, one end of each pull rod 443 is fixedly connected to the connecting member 442, and the other end of each pull rod 443 is fixedly connected to the movable plate 4121, so as to drive the movable plate 4121 to ascend in the stacking and transferring process, thereby avoiding collision and stacking.

The packing mechanism 430 is used for placing bracket separation paper into the stacking turn 410, and referring to fig. 1 and 2, the packing mechanism 430 comprises a paper sheet loading turn 431, a paper suction device 432, a packing horizontal displacement device 433 and a packing vertical displacement device 434. The paper sheet charge 431 is used to hold the stand divider paper, and preferably the paper sheet charge 431 is located outside the stack 410. The paper sucking device 432 is used for sucking the bracket separation paper, and preferably, the paper sucking device 432 adopts two suction cups, as shown in fig. 2. The paper suction device 432 is driven by the paper packing horizontal displacement device 433 and the paper packing vertical displacement device 434 to perform horizontal/vertical movement so that the paper suction device 432 is switched between a position above the paper piece charging turn 431 and a position above the stacking turn 410, and performs paper suction and discharge.

In this embodiment, the paper sheet loading loop 431 includes a side 4312 and a lifting support plate 4311, and the corresponding paper support mechanism 430 further includes a support plate lifting device 435, and the support plate lifting device 435 is used for driving the support plate 4311 to lift and lower so as to change the groove depth of the paper sheet loading loop 431. Considering that the depth of the groove of the paper sheet charging loop 431 needs to be reduced by the thickness of a piece of support separation paper when paper is sucked every time, the adjustment of the depth of the groove of the paper sheet charging loop 431 is continuous stepping type, and for convenience of control, preferably, in the embodiment, the support plate lifting device 435 uses a stepping motor 4351 to drive a ball screw pair to lift, a nut of the ball screw pair is connected with a lifting plate 4352, the lifting plate 4352 is directly connected with a support plate 4311, a lifting groove is formed in a side 4312 for the lifting plate 4352 to pass through, as shown in fig. 2, the stepping motor 4351 drives the ball screw pair to rotate, and drives the support plate 4311 to lift gradually, so that the adjustment of the depth of the groove is realized, and the paper sucking device 432 can suck the support separation paper when moving above the paper.

The LED support packing paper temporary storage device 400 can be directly applied to the existing LED support detection equipment, and each electric element in the LED support packing paper temporary storage device 400 is connected into a controller of the existing LED support detection equipment, so that the qualified LED supports can be automatically packed and processed after the LED support detection equipment detects the supports and classifies the supports.

The specific working principle of the LED support packing paper temporary storage device 400 of this embodiment is as follows:

the existing LED support detection equipment detects the appearance characteristics of the incoming material LED support and automatically grades the incoming material LED support, and the specific judgment standard can be as follows: a. the bracket is adhesive-free and PIN-free, and is judged as an OK product; b. if the support is in the glue shortage state, judging the support to be an NG glue shortage product; c. if the support is lack of PIN, the support is judged to be an NG lack PIN product. b and c are defective products, and the LED supports are taken off and on the line from the conveying equipment in the transferring process, so that the LED supports conveyed to the LED support packing paper temporary storage device 400 are all qualified products.

The conveyer belt (i.e. the previous station support conveyer apparatus 100) of the existing LED support detecting apparatus conveys the qualified LED support to the LED support packing paper temporary storage apparatus 400, and the qualified LED support smoothly enters the material receiving channel 411 of the material stacking turn 410 along the curved surface of the guiding member 450 under the action of gravity and inertia.

Before the qualified LED bracket falls into the bracket, the paper suction device 432 is driven by the paper padding vertical displacement device 434 to move vertically to suck paper; after paper is sucked, the paper-packing vertical displacement device 434 drives the paper sucking device 432 to ascend, and the paper-packing horizontal displacement device 433 drives the paper sucking device 432 to horizontally move to the position above the material stacking turn 410; the paper-packing vertical displacement device 434 drives the paper suction device 432 to descend for paper discharge.

Before the qualified LED support falls into the space, the two telescopic driving mechanisms 4141 positioned above drive the baffle plates 4142 to extend out, and the qualified LED support falls on the two baffle plates 4142 above; then the two lower telescopic driving mechanisms 4141 drive the baffle 4142 to extend, meanwhile, the two upper telescopic driving mechanisms 4141 drive the baffle 4142 to retract, and qualified LED brackets fall on the two lower baffles 4142; then, the two telescopic driving mechanisms 4141 located below drive the blocking plate 4142 to retract, and the qualified LED carriers fall on the carrier separation paper in the qualified product temporary storage area 420.

Through the operation, when one qualified product is placed, one piece of support separating paper is padded, and when the number of stacked qualified products reaches a set value, stacked materials are transferred to a subsequent station through the qualified product temporary storage area 420.

Through the embodiment, the utility model has the following beneficial effect or advantage:

the utility model provides a LED support packing paper temporary storage device collects qualified LED support is automatic through setting up the material circle of folding at last station support conveying equipment tail end, through the automatic paper of inhaling of realization of packing paper mechanism and putting the paper action, and the material of folding behind the packing paper piece falls in qualified products temporary storage area automatically, waits for subsequent packing operation. The device can reduce the labor intensity of workers, the packing treatment efficiency of the qualified packing paper is extremely high, the mechanical equipment automatically packs the paper and stacks the material, so that the edge of the stacked material is neat, and secondary shaping is not needed during subsequent packing.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. The utility model provides a LED support packing paper temporary storage device which characterized in that: including the frame and install in fold material circle, certified products buffers and packing paper mechanism in the frame, wherein:

2. The LED support packing paper temporary storage device of claim 1, wherein: the stacking turn comprises two side plates, an end plate and the bottom, wherein the side plates, the end plate and the bottom enclose a material receiving channel with side surfaces and a top surface, the side surface opening of the material receiving channel is used for being in butt joint with the tail end of the support conveying equipment at the previous station, and the top surface opening is used for being in butt joint with the paper suction device.

3. The LED support packing paper temporary storage device of claim 2, wherein: at least one open in the curb plate and be equipped with at least one flexible passageway that extends along the horizontal direction, the bottom includes at least one flexible actuating mechanism and driven baffle thereof, flexible actuating mechanism is located outside receiving the material passageway, the baffle passes through flexible actuating mechanism drive, flexible removal in the flexible passageway to stretching into receive in the material passageway and stretch out receive and switch between two outer positions of material passageway.

4. The LED support packing paper temporary storage device of claim 3, wherein: at least one telescopic channel is arranged in each of the two side plates, the telescopic channels are distributed up and down along the height direction, and the heights of the telescopic channels in the two side plates which are opposite to each other are the same;

5. The LED support packing paper temporary storage device of any one of claims 2-4, wherein: the stacking device is characterized in that a guide piece is arranged in front of an opening in the side face of the stacking turn, the upper surface of the guide piece is a curved surface which is bent downwards, the upper end of the curved surface is in butt joint with the tail end of the support conveying equipment at the previous station, and the lower end of the curved surface is in butt joint with the bottom.

6. The LED support packing paper temporary storage device of any one of claims 2-4, wherein: the distance between the bottom of the stacking turn and the qualified product temporary storage area is smaller than the set stacking height, and one side plate of the stacking turn is a movable plate capable of lifting and moving.

7. The LED support packing paper temporary storage device of claim 6, wherein: the temporary storage device for the packing paper of the LED bracket further comprises a baffle lifting mechanism, wherein the baffle lifting mechanism is installed on the rack and used for driving the movable plate to lift.

8. The LED support packing paper temporary storage device of claim 7, wherein: the qualified product temporary storage area is packaging conveying equipment, the head end of the packaging conveying equipment is arranged below the stacking turn, and the side plate of the stacking turn facing the tail end of the packaging conveying equipment is a movable plate.

9. The LED rack packing paper staging apparatus of any of claims 1-4 and 7-8, wherein: the paper sheet loading circle comprises side edges and a lifting supporting plate.

10. The LED rack packing paper temporary storage device of claim 9, wherein: the paper packing mechanism further comprises a supporting plate lifting device, and the supporting plate lifting device is used for driving the supporting plate to lift so as to change the groove depth of the paper piece charging turns.