CN203713209U - Scraper device for precision gravure coating - Google Patents
Scraper device for precision gravure coating Download PDFInfo
- Publication number
- CN203713209U CN203713209U CN201320838061.6U CN201320838061U CN203713209U CN 203713209 U CN203713209 U CN 203713209U CN 201320838061 U CN201320838061 U CN 201320838061U CN 203713209 U CN203713209 U CN 203713209U
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- China
- Prior art keywords
- doctor blade
- coatings tank
- plate
- cavity
- connecting plate
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- 238000007756 gravure coating Methods 0.000 title abstract 2
- 238000000576 coating method Methods 0.000 claims abstract description 85
- 239000011248 coating agent Substances 0.000 claims abstract description 38
- 238000007599 discharging Methods 0.000 claims description 13
- 238000007790 scraping Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 7
- 238000007639 printing Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Coating Apparatus (AREA)
Abstract
The utility model discloses a scraper device for precision gravure coating. The scraper device comprises a scraper body, a coating groove (1) and a scraper engagement and disengagement device, wherein the scraper body comprises two scraper blades (3) which are arranged on the two sides of a notch of the coating groove (1) respectively; the scraper engagement and disengagement device is connected to the coating groove (1). The scraper device also comprises a defoaming device, wherein the defoaming device is arranged along the length direction of a cavity of the coating groove (1) in the cavity of the coating groove (1), and divides the cavity of the coating groove (1) into a feed cavity (1.1) and a discharge cavity (1.2); a gap (e) is formed between the upper end of the defoaming device and a gravure cylinder (2) scraped by the scraper device in a gravure press. The scraper device has better defoaming effects.
Description
Technical field
The utility model relates to intaglio printing machinery field, relates to or rather a kind of accurate intaglio plate coating doctor blade device.
Background technology
Intaglio printing, as one of current four large mode of printings, is applied in recent ten years widely.The feature of intaglio printing is that printing machinery is simple in structure, prints resistance to seal amount high, and print speed printing speed is fast, and press quality is stable, and printing mass colour is abundant, levels are rich, and while printing in a large number, cost is low, very competitive.
Intaglio press is the simplest printing machine of structure, and critical piece has gravure roll, pressure roll and doctor blade device.The effect of described doctor blade device is by unwanted coating scraped clean from printing, to the coating of picture and text part can clearly be transferred to by printed material material.
The doctor blade device of prior art is generally side-mounted, and doctor blade device is arranged on the side of gravure roll.The doctor blade device of prior art comprises scrapes cutter hub, coatings tank and scraper arrangement of clutch.The described cutter hub of scraping has two wings, and these two wings are located at respectively on the both sides of notch of described coatings tank.Described scraper arrangement of clutch connects described coatings tank, and the effect of described scraper arrangement of clutch is to impel the cutter hub of scraping on coatings tank to contact with separated with gravure roll.Described when scraping cutter hub and described gravure roll contacting, scrape the space that cutter hub, coatings tank and gravure roll form sealing.In the process of the inherent charging of coatings tank and discharging, coating is coated in the net hole of gravure roll.There is following defect in the doctor blade device of this kind of prior art: this doctor blade device does not arrange defoaming device, and during work, just the weight by coating is carried out de-bubble to the coating in the net hole in gravure roll.This kind of de-bubble mode is because the gravity of coating is downward, therefore coating is larger to the pressure ratio of the downside of touched gravure roll, pressure to the upside of touched gravure roll is smaller, although it is more effective to compare the de-bubble of gravure roll upside to the de-bubble effect of the downside of gravure roll in this way, but while using, gravure roll is right handed, pressure to gravure roll upside is less, coating in net hole also probably produces bubble with air contact, therefore, be difficult to the de-bubble effect that reaches desirable.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of de-bubble effect good accurate intaglio plate coating doctor blade device.
Technical solution of the present utility model is, a kind of accurate intaglio plate coating doctor blade device with following structure is provided, and comprises and scrapes cutter hub, coatings tank and scraper arrangement of clutch; The described cutter hub of scraping comprises two wings; These two wings are located at respectively on the both sides of notch of described coatings tank; Described scraper arrangement of clutch is connected on described coatings tank; Doctor blade device also comprises defoaming device; Described defoaming device be located in the cavity of described coatings tank and this defoaming device along the length direction setting of the cavity of described coatings tank; Described defoaming device is separated into feed cavity and discharging chamber by the cavity of described coatings tank; In the upper end of described defoaming device and intaglio press, between the gravure roll of doctor blade device scraper, be there is gap.
Adopt after above structure, accurate intaglio plate coating of the present utility model with doctor blade device compared with prior art, has the following advantages:
Because accurate intaglio plate coating of the present utility model also comprises defoaming device with doctor blade device, defoaming device is separated into feed cavity and discharging chamber by the cavity of coatings tank, between the upper end of defoaming device and gravure roll, there is gap, this doctor blade device is arranged on the below of gravure roll while using, during work, coating enters from feed cavity, then pass through described gap, then enter discharging chamber, exert pressure to gravure roll by coating in the upper end of defoaming device, can effectively remove bubble, reach comparatively ideal de-bubble effect.
As a kind of improvement of the present utility model, described defoaming device comprises fixed head and de-bubble plate; Described fixed head is fixed in the cavity of described coatings tank along the length direction of the cavity of described coatings tank; Be arranged on to described de-bubble plate energy up-down adjustment position on described fixed head; Between the upper end of described de-bubble plate and described gravure roll, there is gap.Adopt after this kind of structure, position that can up-down adjustment de-bubble plate, can regulate the gaps of different sizes like this according to the different viscosity of coating, be more conducive to de-bubble.
As another kind of improvement of the present utility model, described fixed head is provided with kidney-shaped adjustment hole; The lower end of described de-bubble plate is provided with bolt hole; Between described fixed head and de-bubble plate, by clamping screw, fix, described clamping screw is tightened in the bolt hole of described de-bubble plate through described kidney-shaped adjustment hole.Adopt after this kind of structure, unscrewing clamping screw just can up-down adjustment de-bubble plate, simple in structure, easy to operate.
As of the present utility model, also have a kind of improvement, between described de-bubble plate and fixed head, be also provided with bracing frame; The cross section of described bracing frame is " L " shape, and the upper end of described de-bubble plate is fixed on the riser of described bracing frame; The transverse slat of described bracing frame is provided with through hole; The upper end of described fixed head is provided with limited post; Through hole on described transverse slat is linked in outside described limited post.Adopt after this kind of structure, described bracing frame has supporting role to de-bubble plate, and bracing frame can be arranged on fixed head reliably.
As of the present utility model, also have a kind of improvement, described scraper arrangement of clutch is cylinder, and described cylinder has two, and these two cylinders are located at respectively on the left end and right-hand member of described coatings tank.Adopt after this kind of structure, using cylinder as scraper arrangement of clutch, simple in structure, easy to operate.
As of the present utility model, also have a kind of improvement, on the cylinder of the described left and right sides, be connected with respectively left socle and right support; The left end downside of described coatings tank and right-hand member downside are connected with respectively left connecting plate and right connecting plate; Described left connecting plate is bolted on described left socle; Described right connecting plate is bolted on described right support.On described left socle and described left connecting plate, be equipped with pin hole; In pin hole on described left socle and described left connecting plate, be plugged with left straight pin; On described right support and described right connecting plate, be also equipped with pin hole; In pin hole on described right support and described right connecting plate, be plugged with right straight pin.Adopt after this kind of structure, can meet suitable, contrary two direction coatings, while being gravure roll opposite spin, as long as unscrew bolt between left connecting plate and left socle and the bolt between right connecting plate and right support, then by coatings tank Rotate 180 °, and then between left connecting plate and left socle and between right connecting plate and right support, screw on bolt just can, left straight pin and right straight pin can accurately be located coatings tank.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of doctor blade device for accurate intaglio plate coating of the present utility model.
Fig. 2 is the plan structure schematic diagram of doctor blade device for accurate intaglio plate coating of the present utility model.
Fig. 3 is the sectional structure schematic diagram of A-A direction in Fig. 1.
Structural representation when Fig. 4 accurate intaglio plate of the present utility model is coated with the gravure roll counter-rotating of doctor blade device.
Shown in figure: 1, coatings tank, 1.1, feed cavity, 1.2, discharging chamber, 1.3, charging aperture, 1.4, discharging opening, 2, gravure roll, 3, wing, 4, fixed head, 5, de-bubble plate, 6, regulate support, 6.1, riser, 6.2, transverse slat, 6.3, through hole, 7, kidney-shaped adjustment hole, 8, clamping screw, 9, limited post, 10, cylinder, 11, left socle, 12, right support, 13, left connecting plate, 14, right connecting plate, 15, left straight pin, 16, right straight pin, e, gap.
the specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Refer to shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, accurate intaglio plate coating of the present utility model comprises and scrapes cutter hub, coatings tank 1, scraper arrangement of clutch and defoaming device with doctor blade device.The described cutter hub of scraping comprises two wings 3.These two wings 3 are located at respectively on the both sides of notch of described coatings tank 1.Described scraper arrangement of clutch is connected on described coatings tank 1.Described defoaming device be located in the cavity of described coatings tank 1 and this defoaming device along the length direction setting of the cavity of described coatings tank 1.Described defoaming device is separated into feed cavity 1.1 and discharging chamber 1.2 by the cavity of described coatings tank 1.At the bottom of the chamber of described feed cavity 1.1, be provided with two charging apertures 1.3, at the bottom of the chamber in described discharging chamber 1.2, be provided with three discharging openings 1.4.In the upper end of described defoaming device and gravure roll printing machine, between the gravure roll 2 of doctor blade device scraper, be there is gap e.
Described defoaming device comprises fixed head 4 and de-bubble plate 5.Described fixed head 4 is fixed in the cavity of described coatings tank 1 along the length direction of the cavity of described coatings tank 1.Described de-bubble plate 5 can be arranged on described fixed head 4 to up-down adjustment position.Between the upper end of described de-bubble plate 5 and described gravure roll 2, there is gap e.
Described fixed head 4 is provided with kidney-shaped adjustment hole 7.The lower end of described de-bubble plate 5 is provided with bolt hole.Between described fixed head 4 and de-bubble plate 5, by clamping screw 8, fix, described clamping screw 8 is tightened in the bolt hole of described de-bubble plate 5 through described kidney-shaped adjustment hole 7.Between described de-bubble plate 5 and fixed head 4, be also provided with bracing frame 6; The cross section of described bracing frame 6 is " L " shape, and the upper end of described de-bubble plate 5 is fixed on the riser 6.1 of described bracing frame 6; The transverse slat 6.2 of described bracing frame 6 is provided with through hole 6.3; The upper end of described fixed head 4 is provided with limited post 9; Through hole 6.3 on described transverse slat 6.2 is linked in outside described limited post 9.
Described scraper arrangement of clutch is cylinder 10.Described cylinder 10 has two, and these two cylinders 10 are located at respectively on the left end and right-hand member of described coatings tank 1.On the cylinder 10 of the described left and right sides, be connected with respectively left socle 11 and right support 12.The left end downside of described coatings tank 1 and right-hand member downside are connected with respectively left connecting plate 13 and right connecting plate 14.Described left connecting plate 13 is bolted on described left socle 11.Described right connecting plate 14 is bolted on described right support 12.On described left socle 11 and described left connecting plate 13, be equipped with pin hole.In pin hole on described left socle 11 and described left connecting plate 13, be plugged with left straight pin 15.On described right support 12 and described right connecting plate 14, be also equipped with pin hole.In pin hole on described right support 12 and described right connecting plate 14, be plugged with right straight pin 16.
Accurate intaglio plate coating of the present utility model is as follows by the doctor blade device course of work:
When control system is sent after instruction, gravure roll 2 starts running clockwise; Compressed air is entered by cylinder 10 air admission holes, and left socle 11 and right support 12 are moved in the clutch that is connected with it of cylinder 10 piston rods, promotes coatings tank 1 close to gravure roll 2; At will coatings tank 1 is constantly close, and under the pressure of cylinder 10, the wing 3 on coatings tank 1 can be fitted with gravure roll 2 surfaces, and now cylinder 10 stops promoting; Coating enters feed cavity 1.1 by feed pipe, then the gap of flowing through between de-bubble plate 5 and gravure roll 2, make coating with suitable pressure transfer to gravure roll 2 surfaces, unnecessary coating flows in discharging chamber 1.2, by three discharging openings 1.4, flows back to dehvery pump.By the upper-lower position of the adjustable de-bubble plate 5 of clamping screw 8.When gravure roll 2 stops operating, compressed air is entered by cylinder 10 air admission holes, and coatings tank 1 integral body moves down and is returned to tripping position.
When gravure roll 2 needs running coating counterclockwise, take down bolt between left connecting plate 13 and left socle 11 and bolt and the right straight pin 16 between left straight pin 15, right connecting plate 14 and right support 12,180 ° of rotation coatings tanks 1 of level, with bolt and straight pin, retighten coatings tank 1 again, contrary when now the position in feed cavity 1.1 and discharging chamber 1.2 also rotates clockwise compared with gravure roll 2.
Claims (7)
1. an accurate intaglio plate coating doctor blade device, comprises and scrapes cutter hub, coatings tank (1) and scraper arrangement of clutch; The described cutter hub of scraping comprises two wings (3); These two wings (3) are located at respectively on the both sides of notch of described coatings tank (1); Described scraper arrangement of clutch is connected on described coatings tank (1); It is characterized in that: doctor blade device also comprises defoaming device; Described defoaming device be located in the cavity of described coatings tank (1) and this defoaming device along the length direction setting of the cavity of described coatings tank (1); Described defoaming device is separated into feed cavity (1.1) and discharging chamber (1.2) by the cavity of described coatings tank (1); In the upper end of described defoaming device and intaglio press, between the gravure roll of doctor blade device scraper (2), be there is gap (e).
2. accurate intaglio plate coating doctor blade device according to claim 1, is characterized in that: described defoaming device comprises fixed head (4) and de-bubble plate (5); Described fixed head (4) is fixed in the cavity of described coatings tank (1) along the length direction of the cavity of described coatings tank (1); Described de-bubble plate (5) can be arranged on to up-down adjustment position on described fixed head (4); Between the upper end of described de-bubble plate (5) and described gravure roll (2), there is gap (e).
3. accurate intaglio plate coating doctor blade device according to claim 2, is characterized in that: described fixed head (4) is provided with kidney-shaped adjustment hole (7); The lower end of described de-bubble plate (5) is provided with bolt hole; Between described fixed head (4) and de-bubble plate (5), by clamping screw (8), fix, described clamping screw (8) is tightened in the bolt hole of described de-bubble plate (5) through described kidney-shaped adjustment hole (7).
4. accurate intaglio plate coating doctor blade device according to claim 3, is characterized in that: between described de-bubble plate (5) and fixed head (4), be also provided with bracing frame (6); The cross section of described bracing frame (6) is " L " shape, and the upper end of described de-bubble plate (5) is fixed on the riser (6.1) of described bracing frame (6); The transverse slat (6.2) of described bracing frame (6) is provided with through hole (6.3); The upper end of described fixed head (4) is provided with limited post (9); Through hole (6.3) on described transverse slat (6.2) is linked in outside described limited post (9).
5. accurate intaglio plate coating doctor blade device according to claim 1, it is characterized in that: described scraper arrangement of clutch is cylinder (10), described cylinder (10) has two, and these two cylinders (10) are located at respectively on the left end and right-hand member of described coatings tank (1).
6. accurate intaglio plate coating doctor blade device according to claim 5, is characterized in that: on the cylinder of the described left and right sides (10), be connected with respectively left socle (11) and right support (12); The left end downside of described coatings tank (1) and right-hand member downside are connected with respectively left connecting plate (13) and right connecting plate (14); Described left connecting plate (13) is bolted on described left socle (11); Described right connecting plate (14) is bolted on described right support (12).
7. accurate intaglio plate coating doctor blade device according to claim 6, is characterized in that: on described left socle (11) and described left connecting plate (13), be equipped with pin hole; In pin hole on described left socle (11) and described left connecting plate (13), be plugged with left straight pin (15); On described right support (12) and described right connecting plate (14), be also equipped with pin hole; In pin hole on described right support (12) and described right connecting plate (14), be plugged with right straight pin (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320838061.6U CN203713209U (en) | 2013-12-19 | 2013-12-19 | Scraper device for precision gravure coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320838061.6U CN203713209U (en) | 2013-12-19 | 2013-12-19 | Scraper device for precision gravure coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203713209U true CN203713209U (en) | 2014-07-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320838061.6U Withdrawn - After Issue CN203713209U (en) | 2013-12-19 | 2013-12-19 | Scraper device for precision gravure coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203713209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103660528A (en) * | 2013-12-19 | 2014-03-26 | 宁波欣达印刷机器有限公司 | Scraper device for precise gravure coating |
-
2013
- 2013-12-19 CN CN201320838061.6U patent/CN203713209U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103660528A (en) * | 2013-12-19 | 2014-03-26 | 宁波欣达印刷机器有限公司 | Scraper device for precise gravure coating |
| CN103660528B (en) * | 2013-12-19 | 2015-10-28 | 宁波欣达印刷机器有限公司 | Precise gravure coating doctor blade device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140716 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |