CN211495934U - Material conveying structure of liquid crystal screen quality detection device - Google Patents

Abstract

The utility model relates to a material conveying structure of a liquid crystal screen quality detection device, which is applied in the technical field of mobile phone screen detection equipment. The frames of the two belt conveyors are respectively provided with a first flat plate and a second flat plate, the base frame corresponding to the first flat plate is provided with a push cylinder, the piston rod of the push cylinder is provided with a push plate, the first flat plate and The opposite end of the second flat plate is in contact with the worktable. A through groove is formed on the second flat plate. A material guide plate for closing the through groove is rotatably connected to the second flat plate. The ground is provided with a material rack under the second flat plate. A servo cylinder is hinged on the top, and the piston rod of the servo cylinder is hinged with the bottom surface of the material guide plate. The material rack is provided with an inclined feeding plate, and the upward end of the feeding plate is located below the through groove. The utility model has the effect of reducing the workload of the operator.

Description

Feeding structure of LCD screen quality detection device

technical field

The utility model relates to the technical field of mobile phone screen detection equipment, in particular to a material feeding structure of a liquid crystal screen quality detection device.

Background technique

With the great changes in communication technology, the mobile phone as a mobile device terminal has also undergone earth-shaking changes, and the LCD screen has replaced the traditional button panel. Due to the increasingly fierce competition in the smartphone market, how to ensure the quality of mobile phones and prevent defective mobile phones from entering the market has become the main concern of mobile phone manufacturers.

The Chinese patent with the publication number CN206989885U discloses a mobile phone screen detection device. The mobile phone screen detection device includes a base, a support beam and a detection structure. The support beam is fixed on the base, and the end face of the base is provided with a workbench , the vertical wall of the support beam is provided with a scale line and a lifting guide rail, the detection structure moves on the lifting guide rail of the support beam through a bracket, the lower side of the bracket is provided with a ball screw, and the right side of the bracket is provided with a ball screw. A motor is arranged on the side, the ball screw is driven by the motor, a reducer is arranged between the ball screw and the motor, the detection structure is arranged on the ball screw, and the detection structure includes a mounting seat and a detection head , an alarm and a processor, the processor is arranged on the inner side of the mounting seat, the detection head and the alarm are arranged on the installation seat, and the detection head, the alarm and the processor are connected through a circuit.

However, in the actual inspection process, the operator needs to manually put the mobile phone on the workbench. When there are many batches of mobile phones, the operator has to constantly repeat the feeding and unloading, and the workload is large.

Utility model content

Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide a material feeding structure of a liquid crystal screen quality detection device, which has the effect of reducing the workload of the operator.

The above utility model purpose of the present utility model is achieved through the following technical solutions: a material conveying structure for a liquid crystal screen quality detection device, comprising base frames arranged on both sides of a workbench, and two of the base frames are provided with Belt conveyor, the frame of the two belt conveyors are respectively provided with a first flat plate and a second flat plate, the base frame corresponding to the first flat plate is provided with a push cylinder, and the piston rod of the push cylinder is provided with a push cylinder. There is a push plate, the opposite ends of the first flat plate and the second flat plate are in contact with the workbench, the second flat plate is provided with a through groove, and the second flat plate is rotatably connected with a material guide plate for closing the through groove , the ground is provided with a material rack under the second plate, the material rack is hinged with a servo cylinder, the piston rod of the servo cylinder is hinged with the bottom surface of the material guide plate, and the material rack is provided with an inclined feeding plate , the inclined upward end of the feeding plate is located below the through groove.

By adopting the above technical solution, during detection, the operator starts two belt conveyors, and then puts the mobile phones on the belt conveyor corresponding to the first flat board one by one. When the mobile phone moves to the push plate, the belt conveyor pauses and pushes up The cylinder starts, drives the push plate forward, and pushes the mobile phone to the workbench for testing; if the test is qualified, the push cylinder drives the push plate to push the mobile phone to another belt conveyor for transmission. If the test fails, the push cylinder pushes the mobile phone Push it to the feeding board, the servo cylinder starts, and the feeding board is pulled to rotate downward, so that the mobile phone slides down to the feeding board, which realizes the automatic feeding detection, cutting and screening of the mobile phone, and reduces the workload of the operator. , which is conducive to improving work efficiency.

In a preferred example of the present invention, it can be further configured that: the bottom surface of the material guide plate is provided with a limit plate, when the limit plate collides with the second flat plate, the upper surface of the material guide plate and the second flat plate Flush surface.

By adopting the above technical solution, the upper surface of the material guide plate is kept flush with the upper surface of the second flat plate through the limiting effect of the limiting plate on the material guide plate, which facilitates the movement of the mobile phone.

In a preferred example of the present invention, it can be further configured as follows: baffles are provided on both sides of the conveying plate.

By adopting the above technical solution, the baffle reduces the possibility of the mobile phone sliding off the feeding plate when it slides down the feeding plate.

In a preferred example of the present invention, a support rod is provided on one of the base frames, a driving cylinder is provided on the support rod, and a positioning plate is provided on the piston rod of the driving cylinder.

By adopting the above technical solution, the driving cylinder is activated, and the positioning plate is driven to move to the worktable. When the push plate pushes the mobile phone to the worktable, the mobile phone is blocked by the positioning plate, which reduces the overtravel of the pushing cylinder and causes the mobile phone to move from the mobile phone to the worktable. It is possible for the workbench to fall off, and at the same time, the positioning plate also plays a role in positioning the mobile phone, so that the mobile phone is located just below the detection device.

In a preferred example of the present invention, it can be further configured as follows: the positioning plate is provided with a ceding groove, and an elastic band is arranged in the ceding groove.

By adopting the above technical solution, when the pushing cylinder is over-traveled, the elasticity provides the mobile phone with a certain movement margin, which reduces the possibility of the mobile phone being squeezed.

In a preferred example of the present invention, it can be further configured as follows: the ground is provided with two bases for supporting the base frame and the material rack, the bases include a bottom plate and a panel, and the bottom plate and the panel are respectively provided on opposite sides. A guide cylinder and a guide column are provided, one end of the guide column is inserted into the guide cylinder, and the guide cylinder is threadedly connected with an adjusting screw whose one end interferes with the guide column.

By adopting the above technical solution, the operator can move the panel up and down, and adjust the first flat plate and the second flat plate to be flush with the actual position of the workbench, which increases the applicable scope of the structure. Yes, convenient and flexible.

In a preferred example of the present invention, it can be further configured as follows: the bottom plate is provided with a plurality of universal wheels that interfere with the ground, the bottom plate is provided with sleeves at both ends along the length direction, and the sleeves are provided with locating pin.

By adopting the above technical solution, the universal wheel facilitates the operator to push the base to move and increases its mobility; when fixing the base, the operator drills a hole on the ground and inserts the positioning pin into the hole to limit the movement of the base.

In a preferred example of the present invention, it can be further configured that: the positioning pin is provided with an elastic sleeve.

By adopting the above technical solution, when the elastic sleeve is inserted into the hole, it is pressed against the inner wall of the hole, which reduces the possibility of displacement of the base due to the gap between the positioning pin and the hole when the base is working on the belt conveyor, and improves the The positional accuracy of the first plate and the second plate is improved.

To sum up, the present utility model includes at least one of the following beneficial technical effects:

1. The automatic feeding detection, cutting and screening of the mobile phone is realized, which not only reduces the workload of the operator, but also helps to improve the work efficiency;

2. Through the cooperation of the positioning plate and the elastic belt, a certain displacement is reserved for the mobile phone while positioning the mobile phone, which plays a protective role for the mobile phone; the adjustable base makes the feeding structure adaptable to different detection devices ,Wide range of applications.

Description of drawings

FIG. 1 is a schematic structural diagram of this embodiment.

FIG. 2 is a schematic structural diagram of the present embodiment for embodying the material guide plate.

FIG. 3 is a schematic structural diagram of the present embodiment for embodying the feeding plate and the baffle.

FIG. 4 is an enlarged view of part A in FIG. 3 .

FIG. 5 is a schematic structural diagram of the embodiment used to embody the base.

In the figure, 1, base frame; 11, belt conveyor; 111, first flat plate; 112, second flat plate; 12, push cylinder; 13, push plate; 14, through groove; 15, material guide plate; 151, Limiting plate; 16. Material rack; 17. Servo cylinder; 18. Feeding plate; 181. Baffle plate; 2. Support rod; 21. Driving cylinder; 22. Positioning plate; ;3, base; 31, bottom plate; 32, panel; 33, guide cylinder; 34, guide column; 35, adjustment screw; 36, universal wheel; 37, sleeve; 38, positioning pin; 381, elastic sleeve; 4 , Workbench.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

The material conveying structure of a liquid crystal screen quality detection device disclosed by the utility model, as shown in FIG. 1 , includes base frames 1 arranged on both sides of the workbench 4, and belt conveyors 11 are provided on both base frames 1. , the two belt conveyors 11 are parallel to each other and the frames of the two belt conveyors 11 are respectively provided with a first flat plate 111 and a second flat plate 112 on opposite sides, and the opposite ends of the first flat plate 111 and the second flat plate 112 are The worktable 4 is in contact with and flush with the upper surface of the belt conveyor 11 . The base frame 1 corresponding to the first flat plate 111 is provided with a push cylinder 12 , and the piston rod of the push cylinder 12 is provided with a push plate 13 .

As shown in FIG. 2 and FIG. 3 , the second flat plate 112 is provided with a through slot 14, and the opening area of the through slot 14 is larger than that of the mobile phone. The bottom edge of the material plate 15 is provided with a limit plate 151 (as shown in Figure 4), and the ground is provided with a material rack 16 below the second flat plate 112. The material rack 16 is hinged with a servo cylinder 17, the piston rod of the servo cylinder 17 and the material guide plate 15 The bottom surface is hinged, when the material guide plate 15 is in the initial position, the limit plate 151 is in contact with the bottom surface of the second flat plate 112, and the upper surface of the material guide plate 15 is flush with the upper surface of the second flat plate 112; the material rack 16 is provided with a feeding plate 18. The surface of the conveying plate 18 is smoothed, and at the same time, one end of the conveying plate 18 extends upwardly to the bottom of the through groove 14, and the two sides of the conveying plate 18 along the length are provided with mutually parallel baffles 181.

As shown in FIG. 1 , one of the base frames 1 is provided with a support rod 2, a driving cylinder 21 is provided on the support rod 2, and a positioning plate 22 is provided on the piston rod of the driving cylinder 21. The moving direction of the positioning plate 22 is the same as that of the push plate 13. The moving directions are perpendicular to each other, and the positioning plate 22 is provided with a vacant slot 23, one end of the vacant slot 23 extends downward out of the positioning plate 22, and an elastic band 24 is arranged in the vacant slot 23. When the positioning plate 22 is in the initial position , it is located on the workbench 4 and is directly opposite to the push plate 13 .

Action process: When testing, the operator first starts the two belt conveyors 11, and then puts the mobile phones to be tested on the belt conveyor 11 corresponding to the first flat plate 111 one by one for transmission. When the mobile phone moves to the position opposite to the push plate 13 , the two belt conveyors 11 are paused at the same time, the pushing cylinder 12 is activated, and the pushing plate 13 is driven to move forward to collide with the mobile phone. Detection; after the detection, if the product is qualified, the driving cylinder 21 drives the positioning plate 22 to move back away from the worktable 4, the pushing cylinder 12 is activated, and the driving pushing plate 13 pushes the mobile phone along the second flat plate 112 to the belt corresponding to the second flat plate 112 On the conveyor 11, then the push cylinder 12 drives the push plate 13 to move back, and the two belt conveyors 11 are activated to start the transmission; if the mobile phone is unqualified, the servo cylinder 17 is activated, and the push plate 13 pushes the mobile phone to the guide plate 15. On the upper side, the piston rod of the servo cylinder 17 pulls the guide plate 15 and rotates downward until it collides with the conveying plate 18, so that the mobile phone slides down to the conveying plate 18, and slides down along the conveying plate 18 to the designated collection position, which is convenient and flexible, and realizes the The automatic feeding detection, cutting and screening of the mobile phone reduces the workload of the operator.

As shown in FIG. 1 and FIG. 5 , there are two bases 3 on the ground. One base 3 is used to support the base frame 1 corresponding to the first flat plate 111 , and the other base 3 is used to support the base frame 1 corresponding to the second flat plate 112 . and the material rack 16 there; the base 3 includes a bottom plate 31 and a panel 32 that are parallel to each other, the panel 32 is located above the bottom plate 31 and is used to support the base frame 1, and the bottom plate 31 and the panel 32 are respectively provided with guide cylinders on opposite sides 33 and the guide column 34, the guide cylinder 33 is distributed at each corner of the bottom plate 31, the guide column 34 corresponds to the guide cylinder 33 one-to-one, and one end of the guide column 34 is inserted into the guide cylinder 33, and the guide cylinder 33 An adjusting screw 35 whose one end interferes with the guide post 34 is threadedly connected.

As shown in FIG. 5 , the bottom plate 31 is provided with a number of universal wheels 36 that are in contact with the ground, and the bottom plate 31 is provided with vertical sleeves 37 at both ends along the length direction. The sleeves 37 are provided with positioning pins 38 . 38 is provided with an elastic sleeve 381 .

As shown in FIG. 5 , since the base frame 1 is supported on the panel 32 , the operator can push the base 3 to drive the base frame 1 to move freely. When the base 3 needs to be fixed, the operator now drills a hole on the ground, and the hole diameter is smaller than the outer diameter of the elastic sleeve 381 , and then move the base 3 so that the positioning pin 38 corresponds to the hole, insert the positioning pin 38 into the hole, and restrict the movement of the base 3; when the height of the table 4 changes, the operator loosens the adjustment screw 35, moves the panel 32 up and down, Adjust the height of the first flat plate 111 and the second flat plate 112 to correspond to the workbench 4 so that the upper end surfaces of the three are flush. After the adjustment is completed, turn the adjusting screw 35 against the guide post to fix the guide post, which is convenient and quick to increase. the scope of application of the structure.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (8)

1. A material conveying structure of a liquid crystal screen quality detection device, characterized in that: it comprises a base frame (1) arranged on both sides of a workbench (4), and both of the base frames (1) are provided with belt conveying The frame (11) of the two belt conveyors (11) is respectively provided with a first flat plate (111) and a second flat plate (112), and the base frame (1) corresponding to the first flat plate (111) A pushing cylinder (12) is provided, a piston rod of the pushing cylinder (12) is provided with a pushing plate (13), and the opposite ends of the first flat plate (111) and the second flat plate (112) are both connected to the working The platform (4) collides, the second flat plate (112) is provided with a through groove (14), and the second flat plate (112) is rotatably connected with a material guide plate (15) for closing the through groove (14), A material rack (16) is arranged on the ground below the second flat plate (112), and a servo cylinder (17) is hinged on the material rack (16), and the piston rod of the servo cylinder (17) and the material guide plate ( 15) The bottom surface is hinged, the material rack (16) is provided with an inclined feeding plate (18), and the inclined upward end of the feeding plate (18) is located below the through groove (14). 2. The material feeding structure of the liquid crystal screen quality detection device according to claim 1, characterized in that: a limit plate (151) is provided on the bottom surface of the material guide plate (15), and when the limit plate (151) is connected to When the second flat plate (112) collides, the upper surface of the material guide plate (15) is flush with the upper surface of the second flat plate (112). 3. The material conveying structure of the liquid crystal screen quality detection device according to claim 2, wherein baffle plates (181) are provided on both sides of the material conveying plate (18). 4. The material feeding structure of the liquid crystal screen quality detection device according to claim 1 or 3, characterized in that: one of the base frames (1) is provided with a support rod (2), and the support rod (2) A driving cylinder (21) is arranged thereon, and a positioning plate (22) is arranged on the piston rod of the driving cylinder (21). 5. The material conveying structure of the liquid crystal screen quality detection device according to claim 4, characterized in that: the positioning plate (22) is provided with a let-away groove (23), and the let-away groove (23) is provided with an internal Elastic band (24). 6. The material conveying structure of the liquid crystal screen quality detection device according to claim 1, characterized in that: the ground is provided with two bases (3) for supporting the base frame (1) and the material frame (16). The base (3) comprises a bottom plate (31) and a face plate (32), the bottom plate (31) and the face plate (32) are respectively provided with guide cylinders (33) and guide columns (34) on opposite sides, the guide columns One end of (34) is inserted into the guide cylinder (33), and the guide cylinder (33) is threadedly connected with an adjusting screw (35) whose one end interferes with the guide post (34). 7. The material conveying structure of the liquid crystal screen quality detection device according to claim 6, characterized in that: the bottom plate (31) is provided with a plurality of universal wheels (36) that interfere with the ground, and the bottom plate (31) Both ends along the length direction are provided with sleeves (37), and positioning pins (38) are arranged in the sleeves (37). 8 . The material feeding structure of the liquid crystal screen quality detection device according to claim 7 , wherein an elastic sleeve ( 381 ) is provided on the positioning pin ( 38 ). 9 .

Images