Cleaning brush roller used in TFT-LCD display screen production and manufacturing method thereof

A technology of brush roller and display screen, which is applied in the direction of brushes, applications, brush bodies, etc., can solve the problems of bristle distribution density gap, failure to reach cleaning accuracy, loss, etc., and achieve reasonable structural design, improved quality, and reduced The effect of small swings

Pending Publication Date: 2021-08-06
安徽立森刷业有限公司
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AI-Extracted Technical Summary

Problems solved by technology

[0002] During the production process of the TFT-LCD display screen, its surface needs to be cleaned. Since the thickness of the display screen is relatively thin at about 0.2mm, if a cleaning brush roller with a traditional structure is used, its relative weight is about 100 kg. Too heavy, because the brush roller is relatively thin, so in the process of high-speed cleaning, it will produce a certain degree of sag, which will cause the glass display screen to break, which will cause serious losses and affect its production efficiency.
[0003] In the traditional cleaning brush structure, the distribution of the bristles is fixed by the metal. D...
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Method used

First prepare materials respectively on corresponding production line, thin-walled pipe body, carbon fiber pipe and fixed shaft are respectively processed into corresponding dimension specifications, then its prepared thin-walled pipe body is placed in drying room and heated, because The thin-walled pipe body is several meters long and is produced in a single piece. It needs to be carried into the drying room by manpower for heating. The temperature of the drying room is set at 280°-300°. After setting the temperature, the thin-walled pipe body is manually taken out from the heating equipment, and then placed in the seamless pipe assembly. According to the principle of thermal expansion and contraction, the carbon fiber tubes are inlaid into the thin-walled pipe body one by one. , quickly place the thin-walled tube into the extrusion groove, align the carbon fiber tube with the inner hole of the thin-walled tube, and squeeze the carbon fiber tube into the inner hole of the thin-walled tube evenly and completely by the hydraulic cylinder. The action should be consistent , Fast, the whole inlay process is over, natural cooling is adopted, the cooling time is about one hour, after cooling, the carbon fiber tube and the thin-walled tube body are inlaid together to form a brush shaft;
Further, the end fixed shaft 4 is a stepped rod structure, which includes three sections, which are respectively the clamping section 4-1 fitted with the thin-walled pipe body, the middle part is a transition section 4-2, and the rear end In order to connect the fixed section 4-3, the fixed section 4-3 is provided with a fixing groove. After the clipping section 4-1 is inserted into the thin-walled pipe body 3-1, its circumferential end surface passes through the thin-walled pipe body 3-1. Solder connection as one. Through the structure of the clamping section, the connection and fixation of the fixed...
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Abstract

The invention discloses a cleaning brush roller used in TFT-LCD display screen production and a manufacturing method thereof. The cleaning brush roller comprises a brush shaft and a brush sleeve, the brush shaft comprises a middle shaft body, the middle shaft body is a double-layer structure, the outer layer of the middle shaft body is a thin-walled tube body structure, a carbon fiber tube is embedded in the inner wall of the thin-walled tube body, and the carbon fiber tube is embedded in the inner wall of the thin-walled tube body in a seamless mode. End fixing shafts are installed at the two ends of the thin-walled tube body, the brush sleeve comprises a brush belt, superfine brush wires are irregularly woven on the brush belt, the superfine brush wires are woven on the belt through a weaving machine, the weaving density of the superfine brush wires requires that about ten thousand bristles are evenly distributed in one square meter, the woven brush belt is fixed to the sleeve, and the brush sleeve is arranged on the middle shaft body in an extruding and sleeving mode. The structure that the thin-walled tube body and the carbon fiber tube are combined and the superfine brush wires are woven on the brush belt is adopted, the strength of the brush shaft is guaranteed, meanwhile, the overall weight of the brush roller is reduced, the swing amount of the brush roller in the using process is reduced, and the cleaning quality is improved through dense distribution of the superfine brush wires.

Application Domain

Brush bodiesBristle +1

Technology Topic

Thin walledManufacturing engineering +4

Image

  • Cleaning brush roller used in TFT-LCD display screen production and manufacturing method thereof
  • Cleaning brush roller used in TFT-LCD display screen production and manufacturing method thereof
  • Cleaning brush roller used in TFT-LCD display screen production and manufacturing method thereof

Examples

  • Experimental program(1)

Example Embodiment

[0033] See the accompanying drawings.
[0034] A TFT-LCD display is produced in the production of a cleaning brush roller, including a brush shaft 1 and a brush sleeve 2, and the brush shaft 1 includes a central shaft body 3, the central shaft body 3 is a double-layer structure, and the outer layer is thin-walled. Tube 3-1 structure, thin wall tube body 3-1 inner wall inlay with carbon fiber tube 3-2, two ends of the thin-walled tubular body 3-1 mounted an end fixed shaft 4, brush set 2 includes a brush tape 2- 1, there is no rule in the brush tape 2-1 with ultrafine brush 2-2, and the ultrafine brush 2-2 is nylon bristles, which has a diameter of 0.05 mm. Ultrafine brush 2-2 is prepared by a compilator to a strap, and its density requires a bristle distribution of 1 square meter to 10,000, and the ultrafine bristles are fixed to the brush strip by weaving the microfilm. It has increased the distribution density of the ultrafine bristles, the gap between the bristles is small, and it does not generate a blind spot at its height operation, thereby ensuring the cleaning effect, and the knitted brush 2-1 is fixed in the casing. 2-3, brush set 2 extrusion sleeve is on the central shaft body 3.
[0035] Further, the carbon fiber tube 3-2 seamlessly inlaid to the inner wall of the thin wall pipe body 3-1, the thin-walled tubular body 3-1 uses SUS304 material. Through the structure of the carbon fiber tube, the intensity of the overall intensity of the central shaft body is ensured, and the amount of jumping generated by the high speed speed under the cleaning process is mitigated.
[0036] Further, the end fixing shaft 4 is a stepped rod structure, which includes three sections, which are cardaging segments 4-1 inserted with the thin-walled tubular body, and the middle is a transition section 4-2, and the rear end portion is connected. Section 4-3, the connection fixation section 4-3 is provided with a card slot fixed slot, and the cardaging section 4-1 is inserted into the thin-walled bodies 3-1, and the circumferential end face and the thin-walled tube body 3-1 are connected by welding. One. Through the structure of the card, the connection fixation of the end fixed shaft and the thin-walled tube body is enhanced. The structure of the transition section is conveniently fixed, and the mounting of the roller shaft is conveniently fixed by connecting the fixing segment. Secure the end fixed shaft connection to fix.
[0037] Further, the sleeve 2-3 uses a PVC pipe structure, and the brush strip 2-1 is hot into the sleeve 2-3 by hot melt adhesive 2-3.
[0038] Further, the central shaft body 3 is slightly longer than the sleeve 2-3 length. Its length requires that it is convenient for the sleeve.
[0039] The brush roller of the above structure, the specific method of making it as follows:
[0040] 1) First, the brush strip is produced, and the nylon bristles are not ruled from the knitting machine, and the knitting machine is made into a brush strip. The knitting machine should be adjusted accordingly before weaving, and it is guaranteed that the design density is 1 square meter is 10,000. The bristles of the roots are distributed, and the fabrication of the brush strip is completed continuously on one pipeline. After the brush strip is completed, it is deprivable to the storage basket to be used;
[0041] 2) According to the specifications of the product, take the corresponding PVC casing on another production line. After the ruling, the PCV sleeve is placed in the placed frame, and the molded brush strip and the sleeve are delivered to the assembly line together, and then passed Hot melt glue The brush band and the PVC casing should be hot together, and the brush set is completed;
[0042] 3) Production of the middle shaft body
[0043] First, the thin-walled bodies, carbon fiber tubes, and fixed axes are respectively processed into corresponding size specifications, and then placed in the drying room for heating, due to thin wall tubes The body has a few meters long, and for single-piece production, it is necessary to carry out the drying room for heating. The temperature is set at 280 ° -300 °, and the temperature is automatically controlled by heating equipment, the progressive increase, heated to the setting After the temperature, the thin-walled tube is taken out by manual from the heating device, and then placed in the seamless group, according to the principle of thermoforming, the carbon fiber tube corresponds to the thin-walled body, will The thin-walled tube body is rapidly placed in the extruded tank, and the carbon fiber tube is aligned with the inner hole of the thin-walled pipe, and the carbon fiber tube is uniformly extruded into the inner hole of the thin-walled pipe, the action should be coherent, fast, At the end of the entire mosaic process, natural cooling is taken, and the cooling time is about an hour, and the carbon fiber tube and the thin-walled tube are integrated into a brush shaft after cooling time.
[0044] 4) Processing of fixed axes
[0045] Cut the stainless steel round rod into the required size;
[0046] 5) Credit
[0047] Putting the fixed axis card in step 4 into the carbon fiber tube of the middle portion of the middle shaft end portion of the middle, first fixed, and then welded to the stainless steel pipe of the outer periphery of the fixed axis by welding One, or mechanical welding method, it is provided with a dedicated welding platform, and two intervals are provided on the welding platform for card blocks for card assembly, the outer ends of the acupuncture respectively, respectively. And movable card, the card holder is provided with a push-up cylinder driver, and when the movement of the casing is driven by the push cylinder, placed on the card block, The fixed axis is fixed to the casing through the chuck, and then push the cylinder operation, the fixed axis of the two ends can be inserted into the carbon fiber tube of the central shaft body, and then the robot is welded by one side;
[0048] 6) The brush shark produced by step 5 is re-made through the lathe, such as the stepped rod structure of the fixed axis, and then grinds the surface, and the surface is smooth, the brush is made;
[0049] 7) assembly
[0050] The brush sleeve and the molded brush shaft in step 2 are placed on the extruder, placed in the positioning slot, and brush the inner hole of the brush sleeve, by the piston rod of the extruder. Uniform brush shaft into the brush sleeve, two ends with a fixed sleeve, fix the three distributions of three distributions across the circumferential surface, caught the two ends of the brush, and lock the three screws and shafts. The brush roller is completed;
[0051] 8) Install the roller brush in step 7 to the shearing bed, one end is fixed by the three-claw chuck, and the other end is dead by the tail seat, and the brush roller speed is adjusted to 300 rpm, and the scratch and fine Scisso, cut three times until the required size, to the desired size, then the cleaning person put on the dust-free protective clothing, place the brush roller to the dust-free workshop, use ultrasonic cleaning machine to clean the brush The oil, debris, confession, and then dry for 10 hours to the drying room, and pack the dust-free packaging bag.
[0052] In the description of the present invention, it is to be noted that the orientation or positional relationship indicated by the term "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings, is only for It is convenient to describe the present practical and simplified description, rather than indicating or implying that the device or element must have a particular orientation, and is constructed and operated in a particular direction, so it is not understood to limit the invention. In addition, "first", "second", "third", "fourth" is only used to describe the purpose, and cannot be understood as an instruction or implied relative importance.
[0053] In the description of the present invention, it is also needed to be, unless otherwise specified and restrictions, the term "setting", "mount", "connected", "connection" should be used to understand, for example, can be fixed connection, also It can be a detachable connection, or integrally, may be a mechanical connection, or an electrical connection, or a direct connection may be connected by an intermediate medium, which may be in the interior of the two elements. For those skilled in the art, the specific meaning of the above terms can be understood in the practice according to the specific circumstances.
[0054] While the embodiments of the invention have been shown and described, these examples may be made to make a variety of changes, modifications, and replacement without departing from the principles and spirit of the present invention, without departing from the spirit and spirit of the present invention. And variations, the scope of the invention is defined by the appended claims and their equivalents.

PUM

PropertyMeasurementUnit
Diameter0.05mm

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