CN205238802U

CN205238802U - Screen process press

Info

Publication number: CN205238802U
Application number: CN201521117358.9U
Authority: CN
Inventors: 戴华; 史清明; 王安勇
Original assignee: NANJING TEMAIAO PACKAGING MATERIAL CO Ltd
Current assignee: NANJING TEMAIAO PACKAGING MATERIAL CO Ltd
Priority date: 2015-12-28
Filing date: 2015-12-28
Publication date: 2016-05-18
Anticipated expiration: 2025-12-28

Abstract

The utility model discloses a screen process press, which comprises a frame. Conveying mechanism, conveying mechanism is including the step motor that roller, a plurality of were located the conveying roller in the frame and was connected one of them conveying roller that unreels who curls the stock, at least one printing system, printing system include screen plate and the scraper subassembly of reciprocating sliding on screen plate, the oven of being connected with printing system exit end, winding mechanism, winding mechanism unreel roller and a plurality of conveying roller of locating in the frame including what be used for twining the stock, and tension adjustment mechanism, locate conveying mechanism in, tension adjustment mechanism includes two cantilevers of one end and hinged rack, is provided with a dancer rools between two cantilevers at least, has hung the balancing weight on the cantilever, makes through tension adjustment mechanism and promises tension at the stock that unreels roller anterior segment stock and printing system anterior segment and be in and tighten the state, avoid since the stock because among the intermittent type formula printing transportation process lax printing quality that influences.

Description

A kind of screen process press

Technical field

The utility model relates to printer technology field, and more particularly, it relates to a kind of screen process press.

Background technology

Screen process press is the general name for the production of machine or the equipment of printed matter, print system mainly comprises ink, doctor assemblies, screen printing forme and print station, stock is from silk screen below process, screen printing forme with picture and text part can see through ink, and without the mesh oil-tight China ink of picture and text part, doctor assemblies moves reciprocatingly back and forth on screen printing forme, doctor assemblies comprises scraper and returning blade, by scraper, ink is seen through to picture and text part and be expressed on stock, returning blade pushes back ink the picture and text part that covers screen printing forme again; And stock is by the transmission of many conveying rollers, one end of conveying roller connects stepper motor, and stepper motor compartment drives conveying roller rotation, carrys out the reciprocating motion of adaptive doctor assemblies.

Due to the step conveying of stock, cause let off roll also to want batch (-type) to rotate, be created in thus between let off roll and conveying roller due to the inadequate stock generation of tension force relaxed state, and the stock of relaxed state can cause the overlapping or phenomenon of biting of part printing in the time entering into print system, affect printing quality.

Utility model content

The deficiency existing for prior art, the purpose of this utility model is to provide a kind of screen process press, can ensure stock anti-roll to tensioned state before entering into print system, and be convenient to the adjusting of tension force.

For achieving the above object, the utility model provides following technical scheme: a kind of screen process press, comprises frame; Conveying mechanism, described conveying mechanism comprises let off roll, several stepper motors of being located at the conveying roller in frame and connecting one of them conveying roller of curling stock; At least one print system, the doctor assemblies that described print system comprises screen printing forme and reciprocatingly slides on screen printing forme; The baking oven being connected with the print system port of export; Rolling-up mechanism, described rolling-up mechanism comprises wind-up roll and the some conveying rollers of being located in frame for being wound around stock; And governing mechanism of tension, to be located in conveying mechanism, described governing mechanism of tension comprises one end and hinged two cantilevers of frame, is at least provided with a dancer rools between two cantilevers, on described cantilever, is hung with balancing weight.

By adopting technique scheme, before stock is transported to print system, first be wrapped on the dancer rools between two cantilevers, conveying roller rotates in the step drive of stepper motor, pull the upwards rotation of the pin joint between cantilever and frame of dancer rools, need to overcome the gravity sum of gravity and the dancer rools of balancing weight owing to being provided with balancing weight on cantilever promoting dancer rools, make to strain stock, ensure that stock is at the tension force entering into before print system, secondly strain again the stock at the anti-roll place of let off roll leading portion; In the time that stepper motor stops operating, dancer rools declines under the effect of balancing weight self gravitation, and tension unreels the stock of leading portion and print system leading portion again, while having ensured that stock enters into print system in tension, guarantee printing quality.

As preferably, between described cantilever, be provided with two dancer rools, in frame, be provided with and accept roller.

By adopting technique scheme, two dancer rools are set and accept roller, the stock of realizing between two dancer rools can regulate front and back.

As preferably, described balancing weight is provided with breach, and described cantilever is connected in breach.

By adopting technique scheme, balancing weight and cantilever realize fast assembling-disassembling, can realize the tension adjustment to stock by the balancing weight of replacing Different Weight.

As preferably, described print system comprises two intervals and the parallel screen frame arranging, and described screen printing forme is fixed between two screen frames, is equipped with at least one adjustment screw on two screen frames, and described adjustment screw is threaded with screen printing forme.

By adopting technique scheme, rotation adjustment screw realizes the height of screen printing forme is regulated, and can realize the angular adjustment of screen printing forme, adapts to the doctor assemblies of different angles.

As preferably, described screen frame is provided with fluting, and described screen printing forme is placed in fluting.

By adopting technique scheme, the moving horizontally of the spacing screen printing forme of slotting.

As preferably, described doctor assemblies comprises scraper and returning blade, and described scraper and returning blade are all connected with cylinder.

By adopting technique scheme, utilize scraper wiping to print stock, returning blade is stopped out, and one has a try realizes the batch (-type) printing to stock.

Compared with prior art, the utility model has the advantage of: make to ensure that at the stock of let off roll leading portion stock and print system leading portion some tension is in tensioned state by governing mechanism of tension, avoid because stock is due to the lax printing quality that affects in batch (-type) printing course of conveying.

Brief description of the drawings

Fig. 1 is the structural representation of screen process press;

Fig. 2 is the A portion enlarged drawing of Fig. 1;

Fig. 3 is the front view of screen process press;

Fig. 4 is the structural representation of governing mechanism of tension;

Fig. 5 is governing mechanism of tension scheme of installation.

In figure: 1, conveying mechanism; 10, screen process press, 11, let off roll; 12, conveying roller; 13, accept roller; 2, print system; 21, screen printing forme; 22, scraper; 23, returning blade; 24, cylinder; 25, lift cylinder; 26, screen frame; 261, fluting; 27, adjustment screw; 3, baking oven; 4, rolling-up mechanism; 41, let off roll; 5, frame; 6, stock; 7, governing mechanism of tension; 71, cantilever; 72, dancer rools; 73, balancing weight; 731, breach; 74, hinge hole.

Detailed description of the invention

Below in conjunction with accompanying drawing and by specific embodiment, utility model is described in further detail, following examples are descriptive, are not determinate protection domains of the present utility model.

Referring to Fig. 1 to Fig. 3, a kind of screen process press 10 comprises the conveying mechanism 1 of head, the print system 2 being connected with conveying mechanism 1, the baking oven 3 being connected with print system 2 ports of export and the rolling-up mechanism 4 of end.

Described print system 2 is at least provided with one, same baking oven 3 is at least provided with one, and print system 2 and the complete use of baking oven 3, above-mentioned Anti-curl mechanism 1 comprises let off roll 11 and the many conveying rollers 12 of being located in frame 5 for being wound around stock 6, a conveying roller 12 connects stepper motor therein, under the effect of many conveying rollers 12, stock 6 is sent into all in print system 2.

Print system 2 comprises doctor assemblies, lift cylinder 25 and screen printing forme 21, doctor assemblies comprises scraper 22 and returning blade 23, doctor assemblies reciprocatingly slides on screen printing forme 21, doctor assemblies drives by motor in the horizontal direction, motor drives doctor assemblies left and right horizontal to move back and forth by Timing Belt, leading screw, utilizes travel switch to judge the stroke that horizontally slips of the spacing doctor assemblies of movement position.

Doctor assemblies is driven and is regulated height by lift cylinder 25, ensure the even scraper of ink, screen printing forme 21 is spacing in the fixing screen frame 26 in both sides, screen frame 26 offers fluting 261, the both sides of screen printing forme 21 are placed in fluting 261, on screen frame 26, be arranged in multiple adjustment screw 27, adjustment screw 27 is threadedly connected to screen printing forme 21, realizes height and the angle of inclination to screen printing forme 21 by adjustment screw 27.

Stock 6 after printing is dried through baking oven 3, utilizes rolling-up mechanism 4 to carry out rolling, and rolling-up mechanism 4 comprises a let off roll 41 and is located at more than 5 conveying roller 11 of frame.

In conjunction with Fig. 3 to Fig. 5, on conveying mechanism 1, be also provided with governing mechanism of tension 7, governing mechanism of tension 7 comprises that one end is articulated with two cantilevers 71 of frame 5, two dancer rools 72 are set between two cantilevers 71, and be hung with balancing weight 731 on two cantilevers 71, balancing weight 73 offers a breach 731, this breach 731 is connected to fixed weight piece 73 on cantilever 71, in frame 5, be provided with and accept roller 13, stock 6 is wound in successively conveying roller 12, dancer rools 72 and accepts the canoe shown in roller 13(Fig. 5). Realize the tension adjustment to stock 6 by governing mechanism of tension 7.

The tension adjustment principle of governing mechanism of tension 7 is: stepper motor drives conveying roller 12 batch (-type)s to roll, rotate and drive stock 6 to advance at the conveying roller 12 near print system 2 porch, stock 6 drives the dancer rools 72 on right side to rotate upwards around cantilever 71 and frame 5 hinge holes 74, and due to the existence of balancing weight 73, pulling force and balancing weight 73 self gravitations that the stock a section on right side is subject to upwards produce downward pulling force, regulate the gravity of balancing weight 73 to make stock a in tension, the stock c section section of adjusting, in the time that rising, elongates the dancer rools 72 on right side the stock b section in left side, dancer rools 72 effects in left side make the tension of stock b section, while namely printing in the time that stepper motor stops operating, under the effect of balancing weight 73, the dancer rools 72 in left side declines, stock c section regulates elongates stock a section, and the stock b that stretches drives let off roll 11 anti-roll, same stock a section is with stock b section or in tensioning state, and the stock 6 that makes to enter into print system 2 is tensioning state guarantee printing quality.

The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model. It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. a screen process press, is characterized in that, comprising:

Frame (5);

Conveying mechanism (1), described conveying mechanism (1) comprises let off roll (11), several stepper motors of being located at the conveying roller (12) in frame (5) and connecting one of them conveying roller (12) of curling stock (6);

At least one print system (2), the doctor assemblies that described print system (2) comprises screen printing forme (21) and reciprocatingly slides on screen printing forme (21);

The baking oven (3) being connected with print system (2) port of export;

Rolling-up mechanism (4), described rolling-up mechanism (4) comprises wind-up roll (41) and the some conveying rollers (12) of being located in frame (5) for being wound around stock (6); And

Governing mechanism of tension (7), be located in conveying mechanism (1), described governing mechanism of tension (7) comprises one end and hinged two cantilevers (71) of frame (5), between two cantilevers (71), be at least provided with a dancer rools (72), on described cantilever (71), be hung with balancing weight (73).

2. a kind of screen process press according to claim 1, is characterized in that, is provided with two dancer rools (72) between described cantilever (71), is provided with and accepts roller (13) in frame (5).

3. a kind of screen process press according to claim 1 and 2, is characterized in that, described balancing weight (73) is provided with breach (731), and described cantilever (71) is connected in breach (731).

4. a kind of screen process press according to claim 1, it is characterized in that, described print system (2) comprises two intervals and the parallel screen frame (26) arranging, described screen printing forme (21) is fixed between two screen frames (26), on two screen frames (26), be equipped with at least one adjustment screw (27), described adjustment screw (27) is threaded with screen printing forme (21).

5. a kind of screen process press according to claim 4, is characterized in that, described screen frame (26) is provided with fluting (261), and described screen printing forme (21) is placed in fluting (261).

6. according to a kind of screen process press described in claim 1 or 4, it is characterized in that, described doctor assemblies comprises scraper (22) and returning blade (23), and described scraper (22) is all connected with cylinder (24) with returning blade (23).