CN201320867Y

CN201320867Y - Induction control structure for furl of screen printing machine

Info

Publication number: CN201320867Y
Application number: CNU2008201790074U
Authority: CN
Inventors: 陈崑明
Original assignee: MINGTAI SCREEN PRINTING MACHINERY CO Ltd
Current assignee: MINGTAI SCREEN PRINTING MACHINERY CO Ltd
Priority date: 2008-12-25
Filing date: 2008-12-25
Publication date: 2009-10-07
Anticipated expiration: 2018-12-25

Abstract

The utility model provides an induction control structure for furl of screen printing machine, which comprises a screen printing machine, wherein the screen printing machine can coil film material into a bundle through utilizing a roller on the back end of the printing operation, the auxiliary scrolling of a blower and a furling machine after finishing the printing of film materials. An induction component is arranged on the appropriate center position of the bottom of the blower, which can induce the distance between the film material in hanging state and the bottom when the printed film material is absorbed by air draft and passes through a material region in the blower in a hanging state, and transmits the distance information to an electric control system, therefore the furling machine is adjusted into slow rotary speed when the tail of the film material has larger distance away from the bottom, whereas the furling machine is adjusted into larger rotary speed when the tail of the film material has smaller distance from the bottom, thereby making the automatic furling of the film material more accurate and stable.

Description

The induction control structure that the wire mark machine furls

Technical field

The utility model relates to a kind of screen printer, is meant a kind of structure-improved that steadily furls at the film material after its auxiliary finishing printing of screen printer especially.

Background technology

Screen painting is called as omnipotent printing.It can print on various printable fabrics, as materials such as various plastic cement, textile, metal, glass, potteries, and then is widely used in industrial circles such as advertisement, the fine arts, building, publication, printing and dyeing and electronics.Especially electronics industry, the screen printing technology occupation rate is up to 90%, as produces a television set, just need use multiple screen printing technology,, printed circuit board (PCB) anticorrosion as switch, operation board, display screen, image etc. all be unable to do without screen painting, and the importance of screen painting is seen some from this.

By background technology as can be known, general screen painting mode is the clamping limb that but two appropriate locations are provided with an engine clipping half tone respectively on the print station of screen printer, and establish the conveying machine in the screen printer both sides, utilize the roll type conveying device that printed material is carried through the half tone below, with after on the half tone, half tone being printed to printed material on the printing ink, reach the purpose of screen painting again.And the film material after being completed for printing, lip-deep printing ink is not dried, so need by drying unit printing ink to be dried, the film material after will solidifying again at last furls bundled by retracting device.

See also shown in Fig. 1, Figure 1A, it is that previous No. 482106 screen printer of TaiWan, China patent gazette applied for of this case utility model designer furls device structure improvement patent case (hereinafter to be referred as existing case), disclosing in the practical summary of the invention of described existing case has tablet 18 after 10 printings of wire mark machine, be setting, its auxiliary drying unit 12 that scrolls to the rear and retracting device 14 are done the operation that furls after the oven dry by vacuum material waiting section 24 and cylinder 16.And general tablet 18 by the exhausting suction of described exhausting motor, is sagging structure attitude when entering described vacuum material waiting section 24 in the time of can making its scrolling.Yet, because when tablet 18 scrollings, described vacuum material waiting section 24 and the uncontrollable tablet that passes through 18 its length distance that hangs down or positions, and tablet 18 itself is a kind of film plastic cement, therefore if the length that tablet 18 hangs down is longer, and from the bottom that described suction opeing is set when nearer, just can cause the bigger scrolling resistance of described tablet 18, and then make tablet 18 in the scrolling be easy to generate the buckling deformation of distortion, cause the harmful effect that furls operation quality and efficient, and this kind situation is more obvious for tablet 18 influences of thickness below 1mm, need be improved.

In view of this, the utility model designer deeply inquires at aforementioned existing utility model problem, and by means of research and development and the manufacturing experience of being engaged in related industry for many years, actively seek solution, research and development through long-term endeavour, finally success develop the induction control structure that the utility model wire mark machine furls, to improve the problem that existing structure exists.

Summary of the invention

Main purpose of the present utility model, provide the induction control structure that a kind of wire mark machine furls, its be order be used for furling film material winding machine its furl the control of speed, can be in the process of described film material automatic transport, just do correspondingly with the position that described film material is positioned at bellows, make oven dry after the film material printing, to furl operation more steady, really.

For achieving the above object, the technical solution adopted in the utility model is:

The induction control structure that a kind of wire mark machine furls, comprise a screen printer, after described screen printer finished printing film material, described film material was via the auxiliary scrolling of cylinder that is located at the rear end and bellows, and furled bundledly stably by winding machine, it is characterized in that:

Appropriate location, described bellows bottom is provided with a sensing element, when the film material after the printing is attracted by exhausting and when overhanging the structure attitude by the material waiting section in the described bellows, described sensing element can sense the gap between described film material and bottom when hanging down, and this gap information transferred to electric-control system, be used for controlling the rotating speed that described winding machine furls film material, when described film material end when distance from bottom is big, the rotating speed that furls is transferred slow, otherwise when the end of described film material from the distance of bottom hour, the rotating speed that then furls strengthens, make film material to furl start automatically more certain, stable.

Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be: make film material furl automatically start more certain, stablize.

Description of drawings

Fig. 1 is the combined planar schematic diagram of existing structure;

Figure 1A is the enlarged diagram of the A-A part of Fig. 1;

Fig. 2 is a sectional perspective outside drawing of the present utility model;

Fig. 3 is a combined planar schematic diagram of the present utility model;

Fig. 4 is the combination section of the utility model cylinder.

Description of reference numerals: board 50; Cylinder 20; Inner space 21; First space 211; Second space 212; Pore 22; Fixed bar 23; Air flue 231; Through hole 232; Demarcation strip 24; Pad 25; Teflon 27; Bellows 30; Material waiting section 31; Suction opeing 32; Room 33; Sensing element 34; Winding machine 40; Rotating shaft 41; Roller bearing 42; Film material 51; Power set 52; Exhausting motor 53.

The specific embodiment

See also Fig. 2～shown in Figure 5, the induction control structure that the utility model wire mark machine furls comprises a screen printer, described screen printer by front end the feeder (not shown) and the start of the winding machine 40 of rear end carry, after making the film material 51 of desire printing finish presswork by the platform of its board 50 tops, again by the cylinder 20 of a pivot group in described board 50 rear ends, and the adjacent auxiliary scrolling that is located at the bellows 30 of described cylinder 20 1 sides, make described film material 51 continue steadily to carry toward the rear, and again after the drying step, it is bundled to utilize described winding machine 40 that it is furled, wherein:

Described cylinder 20 is to utilize power set 52 driven rotary, and its outer wall is provided with most suction holes 22 that are communicated with inner space 21, and a pad 25 is located at described cylinder 20 inwalls.Then be provided with a fixed bar 23 that is fixed on the print station both sides in the inner space 21, on the outer wall of described fixed bar 23 and fix a longitudinal divider 24, make the inner space 21 of described cylinder 20 can be divided into first space 211 of an outer end and second space 212 of an inner end, and the centre of described fixed bar 23 is provided with an air flue 231, and run through demarcation strip 24 with through hole 232, and described air flue 231 is communicated with first space 211, and then can utilize described air flue 231 that the air of 211 inside, described first space is extracted out.And the absorption strength that can make described film material 51 be positioned at described suction hole 22 is adsorbed on the cylinder 20 with cylinder 20 rotations, and eliminates the back in absorption strength and hang naturally.The outer surface that described again pad 25 contacts with described cylinder 20 internal faces also is coated with one deck Teflon 27, with adaptation that increases its contact and the wear resistance that rotates friction.

Described bellows 30 are casings that the top is open structure attitude, and its inner rim is formed with the material waiting section 31 of a hollow, and the appropriate location, bottom is provided with suction opeing 32, and the outside then is provided with described suction opeing 32 and connects the exhausting motor 53 of organizing and being used for supplying exhausting power.Appropriate location, nearly center, described again bellows 30 bottoms is formed with room 33, can be provided with for a sensing element 34, described sensing element 34 is a kind of ultrasonic sensing methods, can respond to relative object between distance, and it also is connected with the electric-control system of screen printer, and can be with the transfer of data of the induction electric-control system to screen printer.

Attracted by exhausting and when overhanging the structure attitude when the film material 51 after the printing according to this by the material waiting section 31 in the described bellows 30, can utilize described sensing element 34 to sense gap between described film material 51 and bottom when hanging down, and the information of these gap data transferred to electric-control system, be used for controlling the rotating speed that described winding machine 40 furls film material 51.

Described winding machine 40 general using motor (not shown) drive rotating shaft 41 and rotate, and are used for furling the machine of diaphragm type object, and the one side is pivoted with some roller bearings 42 that supporting film material 51 furls that are used for, because this machine is an existing structure, repeats no more.Mainly be the rotating speed that makes described winding machine 40 scrolling film materials 51, be to should sensing element 34 these film materials 51 of induction be positioned at the distance between described bellows 30 bottoms and control.For example, described electric-control system can electrically connect with the motor that drives rotating shaft 41 rotations, makes that the rotating speed of winding machine 40 scrolling film materials 51 can freely be controlled.And this electric-control system is meant the power supply of screen printer and the network architecture of electric signal control, comprises the circuit (not shown) of chain of command version (54) and transmission power supply and electric signal etc., because this is a prior art, repeats no more.

Also promptly when described film material 51 ends position when described bellows 30 distances from bottom are big higher, the rotating speed that described winding machine 40 furls is transferred slow, make described film material 51 let droop and drop down onto suitable height, otherwise when the end of described film material 51 from the distance of bottom hour ascend the throne put too low, the rotating speed that then furls strengthens, and makes film material 51 ends upwards be promoted to suitable height.So that can avoid causing because of the tension force instability in the film material 51 scrolling delivery strokes situation of buckling deformation, make furling automatically of film material 51 more certain, stable.

More than explanation is just illustrative for the utility model; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within the protection domain of the present utility model.

Claims

1. induction control structure that the wire mark machine furls, comprise a screen printer, after described screen printer finished printing film material, described film material was via the auxiliary scrolling of cylinder that is located at the rear end and bellows, and furled bundledly stably by winding machine, it is characterized in that:

2. the induction control structure that wire mark machine according to claim 1 furls is characterized in that: appropriate location, described bellows bottom offers a room, is used for for described sensing element setting.

3. the induction control structure that wire mark machine according to claim 1 and 2 furls is characterized in that: described sensing element is a ultrasonic sensing method.