Liquid crystal display component assembly production line and assembly method

By designing a liquid crystal display component assembly production line containing an assembly platform mechanism, the problem of possible deviation of circuit boards during welding is solved, the precise positioning of circuit boards and welding accuracy is achieved, and the assembly quality is improved.

CN115504202BActive Publication Date: 2025-04-29AN HUI RUN SHI KE JI YOU XIAN GONG SI
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Patent Information

Application Number
CN202211374716.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-04
Publication Date
2025-04-29
Estimated Expiration
2042-11-04

AI Technical Summary

Technical Problem

In the existing LCD display component assembly production line, the welding site of the circuit board on the welding equipment is fixed, resulting in the circuit board being deflected in traditional conveying equipment, causing welding deviation problems.

Method used

A liquid crystal display component assembly production line is designed, including rack, belt drive, lifting mechanism and assembly platform mechanism. The assembly platform mechanism consists of a frame, flip plate, rotating shaft, gear, rack and positioning strip. The flip plate and positioning strip are driven by the cylinder and push plate to achieve accurate positioning and clamping of the circuit board.

Benefits of technology

Through this assembly production line, it is possible to effectively avoid deflection of the circuit board during processing, ensure the accuracy and consistency of welding, and improve the assembly quality of liquid crystal display components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a liquid crystal display component assembly production line and an assembly method, the liquid crystal display component assembly production line comprises a frame, belt conveyors are arranged at intervals on the frame, and a lifting mechanism is arranged between two belt conveyors; an assembly platform mechanism located above the lifting mechanism is arranged on the frame; the assembly platform mechanism comprises a frame arranged on the frame, and an alignment component is arranged on each side of the frame; the alignment component comprises a flip plate hinged to the inner wall of the frame through a rotating shaft, so that the flip plate can flip upward, the rotating shaft extends out of the frame and is connected to a gear, and a rack meshing with the gear is slidably arranged on the frame. The circuit board welding equipment in the prior art solves the problem that since the welding position on the welding equipment is fixed, when the circuit board is transported by traditional conveying equipment, it may be deflected after reaching the processing position, resulting in welding deviation.
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Description

Technical Field

[0001] The invention relates to the field of liquid crystal display processing, and in particular to a liquid crystal display component assembly production line and an assembly method. Background Art

[0002] In the field of liquid crystal display processing, it is usually necessary to transport the internal circuit board to the processing site via a conveyor belt and perform component welding operations on the circuit board. For example, a Chinese patent with patent number CN201921423027.6 provides a circuit board welding device, which relates to the technical field of welding devices. It is designed to solve the problem that the existing welding device is difficult to position and the position of the circuit board is unstable, resulting in unsightly welds. A column is provided on one side above the base, a mounting plate is provided on one side of the column, and two mounting plates are provided, a driving gear is provided inside the two mounting plates, a conveying belt is provided on the outer wall of the driving gear, and the conveying belt is connected to the driving gear in transmission, a circuit board fixing mechanism is provided above the conveying belt, a movable rod is provided inside the circuit board fixing mechanism, a circuit board body is provided on the inner wall of the movable rod, a fan is provided above the mounting plate, and the fan is fixedly connected to the column, a cylinder is provided above the column, a guide rail is provided inside the column, a slider is provided at the front end of the guide rail, and a connecting column is provided at the front end of the slider; for circuit board welding equipment such as the above-mentioned prior art, since the welding position on the welding equipment is fixed, when transported by traditional conveying equipment, the circuit board may be deflected after arriving at the processing position, resulting in welding deviation. Summary of the invention

[0003] The purpose of the present invention is to provide a liquid crystal display component assembly production line and assembly method, which solves the problem of circuit board welding equipment in the prior art. Since the welding position on the welding equipment is fixed, when the circuit board is transported by traditional conveying equipment, it may be skewed after arriving at the processing position, resulting in welding deviation.

[0004] In order to achieve the above-mentioned purpose, the present invention provides a liquid crystal display component assembly production line, which includes a frame, on which belt conveyors are arranged at intervals, and a lifting mechanism is arranged between two belt conveyors; an assembly platform mechanism located above the lifting mechanism is arranged on the frame; the assembly platform mechanism includes a frame arranged on the frame, and each side of the frame is respectively provided with an alignment component; the alignment component includes a flip plate hinged to the inner wall of the frame through a rotating shaft, so that the flip plate can be flipped upward, the rotating shaft extends out of the frame and is connected to a gear, the frame is slidably provided with a rack meshing with the gear, and the rack is connected to a positioning bar, so that the positioning bar can synchronously approach or move away from the center of the frame.

[0005] Preferably, a torsion spring is sleeved on the rotating shaft, one end of the torsion spring is connected to the frame, and the other end is connected to the rotating shaft;

[0006] The frame is provided with a limiting strip located below the flip plate.

[0007] Preferably, a sliding sleeve is provided on the frame; the rack can be slidably engaged in the sliding sleeve.

[0008] Preferably, a slide rail bar is provided on the frame, and a slide hole cooperating with the slide rail bar is opened on the positioning bar.

[0009] Preferably, the positioning strip is wrapped with a rubber sleeve.

[0010] Preferably, the lifting mechanism comprises a cylinder arranged on a frame and a push plate fixed on a piston rod of the cylinder, so that the push plate can push the component to be processed to the top of the frame.

[0011] Preferably, a baffle is provided on the support of the belt conveyor, and when the component to be processed is displaced to the bottom of the frame, it can interfere with the baffle.

[0012] The present invention also provides a method for assembly using the above-mentioned assembly production line, the assembly method comprising: placing the component to be processed on the belt conveyor, and when it is displaced to the bottom of the frame, it conflicts with the baffle; turning on the cylinder so that the push plate pushes the component to be processed to move upward, and pushes the flip plate to flip upward during the displacement; when the flip plate rotates, the rotating shaft drives the positioning bar away from the center of the frame through the gear and the rack; after the cylinder is reset, the flip plate is reset under the action of the torsion spring, and the component to be processed is on the flip plate. During the resetting process of the flip plate, the positioning bar is driven close to the center of the frame through the gear and the rack to position the component to be processed to the center of the frame and clamp it. Using the assembly production line provided by the present invention, the circuit board can be transported to the end of the conveyor belt, and then displaced to the top of the frame under the action of the cylinder and the push plate. During the displacement process, the positioning bars around the circuit board can be used to push and position the circuit board to the center of the frame to avoid the cable board from being deflected during the later processing process.

[0013] Other features and advantages of the present invention will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention but do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a structural diagram of the assembly production line provided by the present invention;

[0016] Figure 2 It is a structural diagram of the assembly platform mechanism in the assembly production line provided by the present invention;

[0017] Figure 3 It is a structural diagram of a frame in an assembly production line provided by the present invention from a first viewing angle;

[0018] Figure 4 is a structural diagram of a frame in an assembly production line provided by the present invention from a second viewing angle;

[0019] Figure 5 It is a side view of the assembly production line provided by the present invention.

[0020] Description of Reference Numerals

[0021] 1-frame; 2-belt conveyor; 3-component to be processed; 4-baffle; 5-assembly platform mechanism; 6-cylinder; 7-push plate; 51-frame; 52-flip plate; 53-rotating shaft; 54-positioning bar; 55-slide rail; 56-gear; 57-rack; 58-slide sleeve; 59-limiting bar. DETAILED DESCRIPTION

[0022] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0023] like Figure 1-5As shown: The present invention provides a liquid crystal display component assembly production line, which includes a frame 1, on which belt conveyors 2 are arranged at intervals, and a lifting mechanism is arranged between two belt conveyors 2; an assembly platform mechanism 5 located above the lifting mechanism is arranged on the frame 1; the assembly platform mechanism 5 includes a frame 51 arranged on the frame 1, and each side of the frame 51 is respectively provided with an alignment component; the alignment component includes a flip plate 52 hinged to the inner wall of the frame 51 through a rotating shaft 53, so that the flip plate 52 can be flipped upward, the rotating shaft 53 extends out of the frame 51 and is connected to a gear 56, and a rack 57 meshing with the gear 56 is slidably arranged on the frame 51, and a positioning bar 54 is connected to the rack 57, so that the positioning bar 54 can synchronously approach or move away from the center of the frame 51. The component to be processed is placed on the belt conveyor, and when it is displaced to the bottom of the frame, it contacts the baffle; the cylinder is turned on, so that the push plate pushes the component to be processed to move upward, and pushes the flip plate to flip upward during the displacement; when the flip plate rotates, the rotating shaft drives the positioning bar away from the center of the frame through the gear and rack; after the cylinder is reset, the flip plate is reset under the action of the torsion spring, and the component to be processed is on the flip plate. During the resetting process of the flip plate, the positioning bar is driven close to the center of the frame through the gear and rack to position the component to be processed to the center of the frame and clamp it. The assembly production line provided by the present invention can transport the circuit board to the end of the conveyor belt, and then displace it to the top of the frame under the action of the cylinder and the push plate. During the displacement process, the positioning bars around the circuit board can be used to push and position it to the center of the frame to avoid the cable board from being deflected during the later processing.

[0024] In a preferred embodiment of the present invention, in order to limit the flipping of the flip plate and prevent it from flipping downward, a torsion spring is sleeved on the rotating shaft 53, one end of the torsion spring is connected to the frame 51, and the other end is connected to the rotating shaft 53;

[0025] The frame 51 is provided with a limiting strip 59 located below the flip plate 52 .

[0026] In a preferred embodiment of the present invention, in order to limit the displacement of the rack, a sliding sleeve 58 is provided on the frame 51 ; the rack 57 can be slidably engaged in the sliding sleeve 58 .

[0027] In a preferred embodiment of the present invention, in order to limit the displacement of the positioning bar, a slide rail bar 55 is provided on the frame 51 , and a slide hole cooperating with the slide rail bar 55 is opened on the positioning bar 54 .

[0028] In a preferred embodiment of the present invention, in order to prevent the positioning strip from causing scratches during the pressing process, the positioning strip 54 is wrapped with a rubber sleeve.

[0029] In a preferred embodiment of the present invention, in order to drive the circuit board to move upward, the lifting mechanism includes a cylinder 6 arranged on the frame 1 and a push plate 7 fixed on the piston rod of the cylinder 6, so that the push plate 7 can push the component 3 to be processed to the top of the frame 51.

[0030] In a preferred embodiment of the present invention, in order to limit and position the displacement of the element to be processed 3 on the belt conveyor, a baffle 4 is provided on the bracket of the belt conveyor 2, and when the element to be processed 3 is displaced to the bottom of the frame 51, it can interfere with the baffle 4.

[0031] The present invention also provides an assembly method for an assembly production line, characterized in that the assembly method comprises:

[0032] 1. Place the component 3 to be processed on the belt conveyor 2, and when it moves to the bottom of the frame 51, it contacts the baffle 4;

[0033] 2. Turn on the cylinder 6, so that the push plate 7 pushes the component to be processed 3 to move upward, and pushes the flip plate 52 to flip upward during the displacement;

[0034] 3. When the flip plate 52 rotates, the rotating shaft 53 drives the positioning bar 54 away from the center of the frame 51 through the gear 56 and the rack 57;

[0035] 4. After the cylinder 6 is reset, the flip plate 52 is reset under the action of the torsion spring, and the component 3 to be processed is on the flip plate 52. During the reset process of the flip plate 52, the positioning bar 54 is driven by the gear 56 and the rack 57 to approach the center of the frame 51, so as to position the component 3 to be processed to the center of the frame 51 and clamp it.

[0036] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, a variety of simple modifications can be made to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

[0037] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0038] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A liquid crystal display component assembly production line, characterized in that: The liquid crystal display component assembly production line comprises a frame (1), on which belt conveyors (2) are arranged at intervals, and a lifting mechanism is arranged between two belt conveyors (2); The frame (1) is provided with an assembly platform mechanism (5) located above the lifting mechanism; The assembly platform mechanism (5) comprises a frame (51) arranged on the frame (1), and each side of the frame (51) is respectively provided with an alignment component; The alignment assembly comprises a flip plate (52) hinged to the inner wall of the frame (51) via a rotating shaft (53), so that the flip plate (52) can flip upwards, the rotating shaft (53) extends out of the frame (51) and is connected to a gear (56), a rack (57) meshing with the gear (56) is slidably provided on the frame (51), and a positioning bar (54) is connected to the rack (57), so that the positioning bar (54) can synchronously approach or move away from the center of the frame (51).

2. The liquid crystal display component assembly production line according to claim 1, characterized in that: A torsion spring is sleeved on the rotating shaft (53), one end of the torsion spring is connected to the frame (51), and the other end is connected to the rotating shaft (53); The frame (51) is provided with a limiting strip (59) located below the flip plate (52).

3. The liquid crystal display component assembly production line according to claim 2, characterized in that: The frame (51) is provided with a sliding sleeve (58); the rack (57) is slidably engaged in the sliding sleeve (58).

4. The liquid crystal display component assembly production line according to claim 3, characterized in that: The frame (51) is provided with a slide rail (55), and the positioning bar (54) is provided with a slide hole that matches the slide rail (55).

5. The liquid crystal display component assembly production line according to claim 1, characterized in that: The positioning strip (54) is wrapped with a rubber sleeve.

6. The liquid crystal display component assembly production line according to claim 1, characterized in that: The lifting mechanism comprises a cylinder (6) arranged on a frame (1) and a push plate (7) fixed on a piston rod of the cylinder (6), so that the push plate (7) can push the component to be processed (3) to the top of the frame (51).

7. The liquid crystal display component assembly production line according to claim 6, characterized in that: A baffle (4) is provided on the support of the belt conveyor (2), and when the component to be processed (3) moves to the bottom of the frame (51), it can come into contact with the baffle (4).

8. A method for assembling using the assembly line according to any one of claims 1 to 7, characterized in that: The assembly method comprises: (1) placing the component to be processed (3) on the belt conveyor (2), and causing it to collide with the baffle (4) when it moves to the bottom of the frame (51); (2) turning on the air cylinder (6) so that the push plate (7) pushes the component to be processed (3) to move upward, and during the displacement, pushes the flip plate (52) to flip upward; (3) When the flip plate (52) rotates, the rotating shaft (53) drives the positioning bar (54) away from the center of the frame (51) through the gear (56) and the rack (57); (4) After the cylinder (6) is reset, the flip plate (52) is reset under the action of the torsion spring, and the component to be processed (3) is placed on the flip plate (52). During the reset process of the flip plate (52), the positioning bar (54) is driven by the gear (56) and the rack (57) to approach the center of the frame (51), so as to position the component to be processed (3) at the center of the frame (51) and clamp it.

Citation Information

Patent Citations

  • Circuit board welding device

    CN210524071U

  • PCB welding device with electrostatic dust-removal function

    CN109128595A

  • Automatic stacking and transferring device for environment-friendly component panel processing

    CN111498511A