CN201316721Y

CN201316721Y - Liquid crystal display screen cleaning equipment capable of automatically changing belts

Info

Publication number: CN201316721Y
Application number: CNU2008201994777U
Authority: CN
Inventors: 商秋锋; 陆春锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-12-05
Filing date: 2008-12-05
Publication date: 2009-09-30
Anticipated expiration: 2018-12-05

Abstract

The utility model discloses a liquid crystal display screen cleaning equipment capable of automatically changing belts, which comprises a machine table, a first cleaning installation wheel, a second cleaning installation wheel, a plurality of guide wheels, a cleaning head and a motor, wherein the first cleaning installation wheel and the second cleaning installation wheel are respectively arranged on the machine table from top to bottom; the liquid crystal display screen cleaning equipment is also provided with an ultrasonic welding device; the ultrasonic welding device comprises a welding plate fixed on the machine table, a cylinder and a welding head arranged at the piston rod of the cylinder; and the welding head and the welding plate are respectively positioned at both sides of cleans belts. The utility model solves the problems of the prior art and provides a liquid crystal display screen cleaning equipment capable of automatically changing belts, which can change cleaning belts without machine halt.

Description

But the LCDs cleaning equipment of automatic tape-alternation

Technical field

The utility model relates to a kind of cleaning equipment that is used for cleaning solution crystal display screen edge.

Background technology

In the transportation and preservation process of LCDs, the line areas of liquid crystal display platen edge has the existence of dust, if the line areas to the liquid crystal display platen edge does not clean, promptly carry out next production link, the dust with electric conductivity of large-size can cause the short circuit of LCDs, cause part LCDs zone normally to show, so in the LCDs production process, need the liquid crystal display platen edge is cleaned.

Under the prior art scheme, the LCDs cleaning equipment uses an applicator wheel to load untapped web-like cleaning band, corresponding with it, receiving wheel once reclaims cleaning band, recycling round is rotated so that pulling force to be provided, and applicator wheel is rotated thereupon synchronously, after the cleaning band on the applicator wheel all is wound to recycling round, arrestment is changed after applicator wheel and the recycling round opening device once more simultaneously.

The shortcoming of above-mentioned LCDs cleaning equipment is: when the web-like cleaning band is finished using in the applicator wheel, board must be stopped to carry out the replacing of applicator wheel and recycling round, and need production capacity and manpower have been wasted greatly with cleaning band along directive wheel action such as reload.

The utility model content

In order to overcome the shortcoming of above-mentioned LCDs cleaning equipment, but the purpose of this utility model provides a kind of LCDs cleaning equipment that can carry out the automatic tape-alternation that cleaning band changes of need not shutting down.

For achieving the above object, the technical scheme that the utility model adopted is: but a kind of LCDs cleaning equipment of automatic tape-alternation, comprise board, first cleaning band that is successively set on from top to bottom on the described board is installed wheel and second cleaning band installation wheel, a plurality of directive wheels, cleaning head and motor, but the LCDs cleaning equipment of described automatic tape-alternation also has a ultrasonic welder, described ultrasonic welder comprises the welded plate that is fixed on the described board, cylinder and be arranged on plumb joint on the piston rod of described cylinder, described plumb joint and welded plate lay respectively at the both sides of cleaning band.

Preferably, length direction at the described cleaning band in described welded plate upper edge offers groove, described plumb joint, described groove are identical with the width of described cleaning band, described plumb joint can be pushed down into described groove in the promotion of described cylinder, fully contacts with described cleaning band to guarantee described plumb joint.

Groove floor on described welded plate is provided with raised or sunken, and corresponding setting has depression or projection on the contact-making surface of described plumb joint and described groove, to guarantee the fastness of pressing.

The edge that wheel is installed at described first cleaning band is relatively set with a pair of photocurrent generator and photoelectric sensor, the edge that wheel is installed at described second cleaning band also is relatively set with a pair of photocurrent generator and photoelectric sensor, is used for detecting the replacing opportunity of cleaning band.

The present invention compared with prior art has following advantage: owing to adopted technique scheme; need not when changing cleaning band to shut down, and do not need the cleaning band of newly changing is put into a plurality of directive wheels, not only reduced workload; and greatly saved the valuable production time, time saving and energy saving.

Description of drawings

Accompanying drawing 1 is a front view of the present utility model;

Accompanying drawing 2 is a stereogram of the present utility model;

Accompanying drawing 3 is a fundamental diagram of the present utility model;

Accompanying drawing 4 is the main cutaway view of welded plate of the present utility model and plumb joint;

Wherein: 1, board; 2, ultrasonic welder; 21, plumb joint; 22, welded plate; 23, cylinder; 3, first cleaning band is installed wheel; 4, second cleaning band is installed wheel; 51, photocurrent generator; 52, photoelectric sensor; 6,61,62, cleaning band; 7,71,72 directive wheels; 8, motor; 9, cleaning head; 10, LCDs.

The specific embodiment

The utility model will be further described below in conjunction with drawings and the specific embodiments.

Referring to accompanying drawing 1 and accompanying drawing 2, but a kind of LCDs cleaning equipment of automatic tape-alternation, comprise board 1, be successively set on first cleaning band on the board 1 from top to bottom and wheel 3 and second cleaning band be installed wheel 4, a plurality of directive wheel 7, cleaning head 9 and motor 8 are installed, cleaning band 6 is web-like and is wound in first cleaning band and wheel 3 and second cleaning band is installed is installed on the wheel 4, at first cleaning band wheel 3 and second cleaning band is installed and the edge of wheel 4 is installed is relatively set with photocurrent generator 51 and photoelectric sensor 52.

Referring to accompanying drawing 3, but the LCDs cleaning equipment that is somebody's turn to do automatic tape-alternation also has a ultrasonic welder 2, this ultrasonic welder 2 comprises welded plate 22, cylinder 23 that is fixed on the board 1 and the plumb joint 21 that is arranged on cylinder 23 movable ends, and plumb joint 21 and welded plate 22 lay respectively at the both sides of cleaning band 61 and cleaning band 62.

Referring to accompanying drawing 4, offer a groove in welded plate 22 upper edge Z directions, and plumb joint 21, groove are identical with the width of

cleaning band

61,62, plumb joint 21 can be pushed down into groove in the promotion of cylinder 23; Groove floor on welded plate 22 is provided with depression, and corresponding setting has projection on the contact-making surface of plumb joint 21 and groove, fully contacts and firm pressing with

cleaning band

61,62 to be welded to guarantee described plumb joint 21.

Below operation principle of the present utility model is described in detail.

As shown in Figure 1, liquid crystal panel 10 oppositely enters the clear area along X, cleaning band 6 cleaning band 6 that cleaning is clean under the traction of motor 8 that first cleaning band is installed wheel 3 is covered in

cleaning head

9,9 pairs of liquid crystal panels 10 of cleaning head clean, motor 8 drives cleaning band 6 that first cleaning band installs wheel 3 once more and the cleaning band 6 of cleaning is covered in cleaning head 9, the second cleaning bands wheel 4 is installed as first cleaning band the standby etc. to be used of wheel 3 is installed subsequently; Send the laser of horizontal direction by photocurrent generator 51, this laser is because the cleaning band 6 that first cleaning band is installed on the wheel 3 is comparatively sufficient, can't penetrate to be wound in first cleaning band and the cleaning band 6 on the wheel 3 is installed and is received by photoelectric sensor 52.

When the cleaning band 6 on first cleaning band installation wheel 3 is about to use, above-mentioned laser penetration is crossed and is wound in first cleaning band and the cleaning band 6 on the wheel 3 is installed and is received by photoelectric sensor 52, and photoelectric sensor 52 sends signal and triggers ultrasonic welder 2 actions.

As shown in Figure 3, be about to use the cleaning band 61 that finishes to walk around directive wheel 71, and move along the Z direction in the groove of welded plate 22, standby cleaning band 62 is walked around the top that directive wheel 72 freely rides over cleaning band 61 when mounted; Ultrasonic welder 2 is after receiving the signal that photoelectric sensor 52 sends, cylinder 23 promotes plumb joint 21 and gos deep in the groove of welded plate 22 along the Y direction from origin position, and uses the cleaning band 61 that finishes to press together closely with being about to standby cleaning band 62 by set projection and depression.

Meanwhile, convert the piezoelectric inverse effect of electric energy by ultrasonic transducer to high-frequency mechanical oscillation by supersonic generator, and be transmitted on the faying face of

cleaning band

61,62 by plumb joint 21 with the form of audio frequency compressional wave, with per second inferior supersonic frequencies up to ten thousand and certain amplitude the composition surface acutely being rubbed afterwards melts, is filled in the space between interface then; Stop vibration afterwards, standby cleaning band 62 and be about to use the cleaning band 61 that finishes cooling shaping under the brief pressure of plumb joint 21 simultaneously makes

cleaning band

61,62 be solidified as one with the molecule on-link mode (OLM), and general weld interval is less than 1 second.

Cylinder 23 pulling plumb joints 21 are got back to origin position along the Y direction afterwards, and under the traction of motor 8, equipment uses second cleaning band that the cleaning band 6 of taking turns on 4 is installed automatically; Operating personnel can install wheel 3 at first cleaning band that reasonable time more renews, and the mounting means installation of pressing cleaning band 61 among Fig. 3 gets final product, in the process of reloading automatically next time, effect by ultrasonic welder 2, the cleaning band 6 of taking turns on 3 is installed in cleaning band 6 replacings that equipment is installed second cleaning band on the wheel 4 automatically to first cleaning band, process and the said process changed are similar, repeat no more here.

By above-mentioned embodiment, be not difficult to find out that the utility model do not waste any production time in changing the process of cleaning band, but therefore be a kind of LCDs cleaning equipment that can carry out the automatic tape-alternation that cleaning material changes of need not shutting down.

Above embodiment only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the people that is familiar with this technology understand content of the present utility model and is implemented; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed in the protection domain of the present utility model.

Claims

1, but a kind of LCDs cleaning equipment of automatic tape-alternation, it comprises: board (1), first cleaning band that is successively set on from top to bottom on the described board (1) is installed wheel (3) and second cleaning band installation wheel (4), a plurality of directive wheels (7), cleaning head (9) and motor (8), it is characterized in that: but the LCDs cleaning equipment of described automatic tape-alternation also has a ultrasonic welder (2), described ultrasonic welder (2) comprises the welded plate (22) that is fixed on the described board (1), cylinder (23) and be arranged on plumb joint (21) on the piston rod of described cylinder (23), described plumb joint (21) and welded plate (22) lay respectively at the both sides of cleaning band (6).

But 2, the LCDs cleaning equipment of automatic tape-alternation according to claim 1, it is characterized in that: the length direction at the described cleaning band in described welded plate (22) upper edge (6) offers groove, and described plumb joint (21), described groove are identical with the width of described cleaning band (6).

But 3, the LCDs cleaning equipment of automatic tape-alternation according to claim 2, it is characterized in that: the groove floor on described welded plate (22) is provided with raised or sunken, and corresponding setting has depression or projection on the contact-making surface of described plumb joint (21) and described groove.

But 4, the LCDs cleaning equipment of automatic tape-alternation according to claim 1, it is characterized in that: the edge that wheel (3) is installed at described first cleaning band is relatively set with a pair of photocurrent generator (51) and photoelectric sensor (52), and the edge that wheel (4) is installed at described second cleaning band also is relatively set with a pair of photocurrent generator (51) and photoelectric sensor (52).