CN2561519Y

CN2561519Y - Adjustable elastic scraping cutters

Info

Publication number: CN2561519Y
Application number: CN 02217857
Authority: CN
Inventors: 洪玲珠
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-05-31
Filing date: 2002-05-31
Publication date: 2003-07-23
Anticipated expiration: 2012-05-31

Abstract

The utility model relates to an adjustable elastic scraper device. The structure of the device is mainly characterized in that two ends of a scraper support are respectively connected with a transmission interface block sleeved on the support and locked and spaced by fixed bolts at the two sides of a machine platform; the two transmission medium blocks are adopted as the interface component for assembly of the scraper support and the machine platform to rotate the scraper support via the transmission interface blocks and with the fixed bolts as the axis to regulate the degree of the scraper support; and meanwhile, the two ends of the scraper support are respectively sleeved with a regulating bolt locked to and connected with the two transmission interface blocks and the regulating bolts and the scraper support are purely sleeved with each other with a tensile spring sandwiched, which regulates the locking condition of the regulating bolts and the transmission interface blocks and thus changes the pressing force of the tensile spring to the scraper support. Thereby, pressing force and clearance of the scraper to a coating roller is adjusted and corrected according to actual operation conditions and the thickness of coatings is accurately controlled to meet different requirements of various operations.

Description

The adjustable elastic doctor blade device

Technical field

The utility model relates to a kind of doctor blade device, particularly a kind of adjustable elastic doctor blade device.

Background technology

For plastic sheets such as polyethylene, polypropylene, PVC, PP, PS; regular meeting faces the coating operation of raw material, jelly or lubricant etc.; make its operation quality and processing procedure can obtain to keep and implement; being how to obtain desirable enforcement in this type of coating operation, is to become industry urgently to try hard to pursue the target of asking.

With existing coating mechanism, see also shown in Figure 1, mainly be to establish a bolster 11 in hopper 10 both sides, utilize these bolsters 11 to organize and establish a bigger painting drum 12 and a pressure holding cylinder 13, and make two

cylinders

12,13 contacts slightly, in addition the turn of painting drum 12 forward side be provided with one group of sponge scraper 14, compel to support sponge scraper 14 by a bolt 15 and changed its contact relation painting drum 12, utilize this painting drum 12 to pick coating in the hopper 10, and after via sponge scraper 14 unnecessary coating being struck off, cooperate the spinning movement of painting drum 12, and then the coating commentaries on classics can be coated on by two

cylinders

12,13 material surface, finish its coating operation according to this, in order to the carrying out of subsequent job.

Though aforesaid coating mechanism can reach the material coating function of expection, and strike off controlling its coating thickness, in its design, have following disappearance by the sponge scraper coating that painting drum is unnecessary:

One: because of it is scraper striking off as the unnecessary coating of painting drum of utilizing the sponge material to make, and the sponge material itself has the characteristic that absorbs liquid and has elasticity, cause it when striking off the coating on painting drum surface, coating became uneven and residue problem take place easily, can't obtain to strike off effect uniformly, cause being coated with quality and be greatly affected.

Its two: though it can utilize bolt compel supporting of sponge scraper to be adjusted the contact relation of scraper and painting drum, to change the thickness that painting drum picks coating, but because of scraper itself has elasticity and absorbs residual coating easily, cause the coating thickness of its painting drum to be difficult to obtain accurately control, can't adapt to different coating job requirements.

Its three: because of its scraper only can be adjusted exposure level with painting drum,, may cause scraper to obtain contacting of evenness, have a strong impact on the usefulness that scraper strikes off unnecessary coating with painting drum if when mechanical error takes place painting drum.

Its four: its scraper adopts sponge material to make, and because of the sponge material can absorb liquid coating, causes it after a period of time uses, and promptly must carry out the cleaning of scraper or change operation, not only causes sizable trouble and inconvenience, more increases its scraper material cost.

Summary of the invention

The purpose of this utility model is to overcome the defective of above-mentioned prior art, and a kind of adjustable elastic doctor blade device is provided.

The purpose of this utility model is achieved in that a kind of adjustable elastic doctor blade device, its structure is to set up bolster separately in the hopper both sides, and organizes and establish painting drum and pressure holding cylinder, and two cylinders contact slightly, and forward be provided with a doctor blade device on the board of side in the painting drum turn, it is characterized in that:

This doctor blade device supplies scraper embedding group by a doctor blade holder, and utilize cartridge clip framework rank to tie a referral piece respectively at the doctor blade holder two ends, the referral piece is provided with screw, tie this referral piece by a bolt from the board outside lock, be provided with not isometrical keyhole in addition in the doctor blade holder end, this referral piece relative position then is provided with screw, and one adjusts bolt locks knot in the screw of this referral piece by the keyhole of doctor blade holder, and is folded with a tension spring between the keyhole extension diameter section of doctor blade holder and this adjustment bolt head;

Plug is provided with an elastic adhesive tape between the scraper base portion of this doctor blade device and doctor blade holder caulking groove.

Positive progressive effect of the present utility model is:

(1) can accurately control required coating thickness, to adapt to the demand of different coating operations.

(2) error that caused of recoverable frame for movement is effectively kept scraper and is contacted and strike off quality with the evenness of painting drum.

(3) by the Elastic Contact of scraper and painting drum, can avoid the wearing and tearing of scraper, and avoid injuring painting drum.

(4) its to adjust structure quite simple and easy, make it in the angle adjustment of scraper and press in the adjustment in power, gap, can obtain quite easy, be easy to implement.

Description of drawings

Fig. 1 is the structural representation of known coating mechanism.

Fig. 2 is the structural representation of the utility model coating mechanism under the side-looking state.

Fig. 3 is that the utility model coating mechanism is at the structural representation of overlooking under the state.

Fig. 4 is the structural relation schematic diagram of the utility model when scraper angle is adjusted.

Fig. 5 is the structural relation schematic diagram of the utility model when scraper presses power and gap adjustment to painting drum.

The specific embodiment

At first, see also Fig. 2,3 structural representation, as shown in the figure, the utility model is on structural design, mainly be to set up bolster 22 separately in hopper 21 both sides to establish painting drum 23 and pressure holding cylinder 24 with group, and two

cylinders

23,24 are contacted slightly, and forward be provided with one group of doctor blade device 30 on the board 20 of side in painting drum 23 turns, utilize this group doctor blade device 30 must strike off the unnecessary coating that painting drum 23 is picked from hopper 21;

This doctor blade device 30 supplies scraper 32 embedding groups by a doctor blade holder 31, and establish an elastic adhesive tape 33 at scraper 32 base portions and 311 plugs of doctor blade holder 31 caulking grooves, thereby give scraper suitable elasticity nargin, and utilize positioning framework 34 ranks to tie a referral piece 35 respectively at doctor blade holder 31 two ends, be provided with screw 351 at referral piece 35, can utilize bolt 25 from the board 20 outside lock Jie's piece 35 of carrying down, make doctor blade holder 31 be able to referral piece 35 and be fitted in board 20 precalculated positions for the referral member, and after unclamping bolt 25, must rotate this referral piece 35 to adjust the angle of doctor blade holder 31, be provided with not isometrical keyhole 312 in addition in doctor blade holder 31 ends, referral piece 35 relative positions then are provided with screw 352, can lock knot in the screw 352 of referral piece 35 by the keyhole 312 of doctor blade holder 31 for adjusting bolt 36, and at keyhole 312 extension diameter sections of doctor blade holder 31 and adjust between bolt 36 heads and be folded with tension spring 37, with this adjustments bolt 36 and the lock of referral piece 35 tie degree and 37 pairs of doctor blade holders 31 of tension-adjustable spring support to arrive in pressure;

Please continue to consult the structural relation schematic diagram of Fig. 4, composition design via said structure, because of doctor blade holder 31 is referral piece 35 and board 20 referral assembly with two ends, and the angle that obtains doctor blade holder 31 is rotated usefulness, make its visual its coating job requirements, after unclamping the lock knot bolt 25 of 20 of referral piece 35 and boards, be that rotatable referral piece 35 is done the different angles adjustment with interlock doctor blade holder 31, make its scraper 32 must form the contact relation of different angles with painting drum 23, and then the coating thickness of control painting drum 23, and because of the angle adjustment system of its doctor blade holder 31 does asynchronous enforcement by the turn of two ends referral piece 35, so if its painting drum 23 can't be when scraper 32 be obtained evenness and is contacted because of the error of frame for movement, be to be able to make asynchronous angle adjustment by its two ends referral piece 35, make scraper 32 keep comprehensive engagement, reach the usefulness of proofreading and correct mechanical structural failure with painting drum 23;

In addition, see also the structural relation schematic diagram of Fig. 5, except the above-mentioned referral piece 35 rotation interlock doctor blade holders 31 that utilize are adjusted the usefulness of angle, more wear the adjustment bolt 36 of lock knot and can give 32 pairs of painting drums 23 of scraper and press the function of the adjustment in power and gap by

doctor blade holder

31 and 35 of referral pieces, heal when dark when adjusting the lock knot degree of bolt 36 with referral piece 35, that then adjusts 36 pairs of tension springs 37 of bolt urges strength more greatly, what relatively make 37 pairs of doctor blade holders 31 of tension spring supports to arrive in pressure more greatly, the power that presses of 32 pairs of painting drums 23 of scraper is increased, its contact gap then will reduce, the coating that thereby painting drum 23 surfaces must be picked is scraped totallyer, thereby obtains thin dope layer; Otherwise, heal when shallow when adjusting the lock knot degree of bolt 36 with referral piece 35, then adjust urging strength and will reducing of 36 pairs of tension springs 37 of bolt, the strength that supports to arrive in of 37 pairs of doctor blade holders 31 of tension spring is diminished, thereby alleviate the power that presses of 32 pairs of painting drums 23 of scraper, its contact gap will become big simultaneously, and then make painting drum 23 obtain thicker dope layer, in other words, promptly utilize this adjustment bolt 36 and referral piece 35 to lock the adjustment of knot degree, and the pressure touch road and the gap of 32 pairs of paint cylinders 23 of change scraper, and then can give the accurate control of its coating thickness, can give doctor blade holder 31 suitable elastic compression nargin because of this tension spring 37 simultaneously, the elasticity nargin that the elastic adhesive tape 33 that cooperates scraper 32 base portions and 31 plugs of doctor blade holder to establish is given scraper 32 makes that its scraper 32 is unlikely to be contacted with painting drum 23 generation rigidity, and its Elastic Contact kenel can reduce the wearing and tearing of scraper 32, and avoid injuring painting drum 23 surfaces, effectively exempt trouble and inconvenience that regular component replacement is derived.

Claims

1. adjustable elastic doctor blade device, its structure be for setting up bolster separately in the hopper both sides, and group establishes painting drum and pressure holding cylinder, and two cylinders contact slightly, and forward be provided with a doctor blade device on the board of side in the painting drum turn, it is characterized in that:

This doctor blade device supplies scraper embedding group by a doctor blade holder, and utilize cartridge clip framework rank to tie a referral piece respectively at the doctor blade holder two ends, the referral piece is provided with screw, tie this referral piece by a bolt from the board outside lock, be provided with not isometrical keyhole in addition in the doctor blade holder end, this referral piece relative position then is provided with screw, and one adjusts bolt locks knot in the screw of this referral piece by the keyhole of doctor blade holder, and is folded with a tension spring between the keyhole extension diameter section of doctor blade holder and this adjustment bolt head.

2. adjustable elastic doctor blade device according to claim 1 is characterized in that plug is provided with an elastic adhesive tape between the scraper base portion of this doctor blade device and doctor blade holder caulking groove.