CN201150923Y

CN201150923Y - Improved structure of air knife

Info

Publication number: CN201150923Y
Application number: CNU2007201790154U
Authority: CN
Inventors: 黄东龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-12-28
Filing date: 2007-12-28
Publication date: 2008-11-19
Anticipated expiration: 2017-12-28

Abstract

The utility model relates to an air blade improved structure, which mainly arranges negative pressure inspiration parts respectively near single blade bodies according to the position of an operating line, knife-edge output high pressure liquid is arranged on the blade bodies, the inspiration parts form negative pressure, wherein the horizontal position of a knife edge is convexly extended through the surrounding horizontal height of the inspiration parts to increase the air current high speed flushing ability between knife edge air outlet zones, and a front inspiration part and a rear inspiration part can catch and clean dust particles completely. The product operates with dry high pressure air current and can sweep dust and remove moistures on the surface of plates.

Description

Air knife improves structure

[technical field]

The utility model relates to a kind of air knife and improves structure, refers to especially with high pressure draught towards the whetstone surface of the work, to reach the air knife improvement design of dedusting or dehumidifying.

[background technology]

Because the flow line that high pressure draught caused has tangible jolt capacity, and can dirt or dust that surface of the work accumulated be done towards whetstone, make it to separate, separating the dust and dirt particulate of back is then caught it by the collection equipment of a negative pressure, purify to reach surface of the work, or utilize dry pressure-air fluid to impact surface of the work, making it to attach aqueous vapor can remove, especially be applied in optic panel or circuit machine plate, under the enforcement that it is dustless and the drying condition requirement is harsh, then can reach dedusting and effect on moisture extraction synchronously by air knife, very efficient in the application.

The use of this air knife as shown in Figure 1, by the sheet material 100 of work via one with mechanism 10 toward the direction conveying of air knives 1,1 of air knife is done to collect towards whetstone and synchronous negative pressure by its high speed and high pressure air-flow, sheet material 100 surfaces of being with are promptly got purify and drying, above-mentioned for sheet material 100 demand bands cross mechanism 10 produce passive modes relatively air knife 1 do and cross motion, other has other to be embodied as the corresponding fixing plate surface of active air knife to sweep identical dedusting and the drying effect of reaching.

The enforcement of right relevant air knife, be designed in early days export a high pressure draught,, be provided with the dust-collecting equipment of a negative pressure air knife one side neighbour to form the air knife effect in single positive ballasting, utilize the equalization of its pressure and the consideration that atmospheric pressure participates in, and design the high-pressure fluid that effectively to remove dust and dirt.

Recently design as shown in Figure 2, air knife 1 is to be total to structure by a positive ballasting 11 and a negative pressure cabin 12 to form, knife face in positive ballasting 11 is provided with two cutting edges 110, the central authorities of two cutting edges 110 are provided with one and sink mouth 120, and be with high-level line, positive ballasting 11 set front and back cutting edges 110 are then made high pressure towards the whetstone effect to sheet material 100 surfaces, with it dust and dirt that is accumulated is separated, transfer to central authorities afterwards and sink mouthfuls 120 12 pressure effects and catch the dust and dirt particulate through the negative pressure cabin, because this cutting edge 110 is for being located at the front and back that sink mouth 120, wherein the high pressure gas exported of cutting edge 110 fails to be convened for lack of a quorum and disperses toward peripheral environment from clearance G, so the effect that should disperse and with dust particle P toward opening in addition, difficult can the acquisition absolutely removed, not only held at the particulate of environment but also can form floating and fall once again by band, must be that the identical meeting of plate surface of removing is stained with and is invited dust fall, certainly the measure of elevated pressures can be taked in this negative pressure cabin 12, if its pressure high power is in positive ballasting 11, the air-flow that then positive ballasting 11 is exported can be absorbed by negative pressure cabin 12 at once, the high velocity air that cutting edge 110 is launched detracts to the vector of sheet material 100, lose its cutting benefit purpose, with the many enforcement of tradition, cutting edge 110 horizontal levels sink with relevant that ora terminalis is all concordant shape under mouthfuls 120 the mechanism, the difficult pressure reduction that forms, the output load of increase cutting edge 110.

[summary of the invention]

Main purpose of the present utility model is to provide a kind of air knife to improve structure, refers to especially with high pressure draught towards the whetstone surface of the work, to reach the air knife improvement design of dedusting or dehumidifying.

The utility model is to realize like this, it includes a positive ballasting, link and be provided with a cutter hub, front and back at cutter hub dispose the portion of sinking, sink portion conducting negative pressure cabin, sink the portion outside and respectively be provided with surrounding edge, cutter hub is provided with at least one cutting edge, and the cutting edge horizontal level protruded out the level height of the set surrounding edge of the portion of sinking.

The utility model can be cleared away plate surface dust and dirt or dehumidifying with the dry-type high-voltage stream operated.

The utility model is provided with the portion of sinking each neighbour of operation travel line front and back position of single cutter hub, the set cutting edge output of cutter hub high pressure draught, so that surface of the work is washed, and cutting edge is the state that protrudes out, surface of the work forms less clearance relatively, towards the whetstone ability, and the portion of sinking can remove the proposition dust and dirt and catch comprehensively according to the conversion of front and back position and flow velocity with high speed that increase air-flow.

The utility model for this cutting edge with sink between the mouth, increase gas pressure and slow down flow velocity according to set unhurried current chamber, and use and cause reverse turbulent flow and tool is repeatedly mended and obtained dust and dirt particulate streamline and operate.

The utility model combines for this air knife can abut by independently positive ballasting and negative pressure cabin, uses to make things convenient for the configuration of different cleaning degree demand.

[description of drawings]

Fig. 1 is general air knife job applications schematic diagram.

Fig. 2 is a structure cutaway view of commonly using air knife.

Fig. 3 is the utility model air knife structure cutaway view.

Fig. 4 is the cutaway view of the utility model combined type air knife.

Fig. 5 is another embodiment of the utility model combined type air knife.

The component symbol explanation:

1----air knife 10----was with the 100----of mechanism sheet material

The positive ballasting of 101----operating clearance 102----supply gap 11----

110,2----cutting edge 12----negative pressure cabin 120----sinks mouth

20----knife face 200----sword body 3----sinks portion

30----unhurried current chamber 31----sinks mouth 32----interior angle end

33----surrounding edge 4----high frequency pulse generator G----gap

P----dust particle F----barotropic fluid A----atmospheric pressure

H----height potential difference

[specific embodiment]

The improvement design of relevant the utility model, at first see also shown in Figure 3, this air knife 1 mainly is to be linked by a positive ballasting 11 and negative pressure cabin 12 to form an air knife monomer, positive ballasting 11 is arranged in the position of knife face 20, extend and be provided with a sword body 200, this sword body 200 is provided with cutting edge 2, sword body 200 is according to the linear front and back position of operation travel line, each neighbour is provided with the portion of sinking 3, this sinks portion 3 is conducting negative pressure cabins 12, sink portion 3 outsides and be formed with surrounding edge 33, inside is formed with a unhurried current chamber 30 in the interior mode of contracting, this unhurried current chamber 30 is provided with interior angle end 32, and the level height of unhurried current chamber 30 set surrounding edges 33 and the level height of cutting edge 2 are formed with a height potential difference H, and this potential difference system allows sword body 200 for outstanding, so the place height and position of sword body 200 or set cutting edge 2 is near sheet material 100, form less percolation gap 101, and the relative distance between surrounding edge 33 and the sheet material 100 is higher, forms the supply gap 102 of outside atmospheric pressure A institute start.

The barotropic fluid F that positive ballasting 11 is exported then exports through cutting edge 2, and this fluid can be general dry air or has chemical property or the fluid of physical property, as ices the air of temperature, then can do the operation of fast cooling to surface of the work, for example the mode of dry ice; If compound other material of this fluid, then need consider its quality, this quality speed of multiplying each other can directly have influence on the effect of its pressure, or buffer brake also can be related to the variation of speed to the condition intervention of quality, certainly this physical condition is for deciding according to the workpiece demand, and the pressure in this positive ballasting 11 and negative pressure cabin 12 is in principle for contending with, but negative pressure cabin 12 must add the factor of atmospheric pressure A and increase pressure.

The utility model utilizes surrounding edge 33 height of cutting edge 2 for protruding out unhurried current chamber 30 of positive ballasting 11, form less percolation gap 101 during in the face of sheet material 100, so the air-flow that cutting edge 2 is exported can and increase towards the whetstone ability at these operating clearance 101 higher flow velocitys of formation, certainly its size towards the whetstone ability also must be influenced by the quality of this fluid, only the pressure of this output has promoted flow velocity through narrower and small percolation gap 101, enter 30 of unhurried current chambers afterwards and amplified its pressure, the pressure that is amplified can form higher malleation in unhurried current chamber 30, produce vacuum forces by the negative pressure cabin 12 that sinks 31 conductings of mouth thereupon, and the pressure balance and the step-down of the chamber 30 of will flowing slowly, stir the particulate of separation in the process synchronously by flow line, it collection is taken away.

Unhurried current chamber 30 more is provided with angle end 32 within the re-entrant angle shape, utilizes the existence of this interior angle end 32, and the air that can increase unhurried current chamber 30 li portions produces the chance of turbulent flow, utilizes this turbulent streamline oppositely to catch once again to remain in the dust particle of unhurried current chamber 30.

The position of positive ballasting 11 relative cutting edges 2, if increase the dashing the whetstone ability of barotropic fluid F and can be provided with a high frequency pulse generator 4 in the position of cutting edge 2, this high frequency pulse generator 4 is for converting the high-pressure fluid of certain pressure flow velocity to the duty of pulse, the peak value of this pulse of mat can promote the variation of flow velocity and pressure, with the generation wave of oscillation, and the dust and dirt that allows sheet material 100 surfaces be attached can effectively be rooted out disengaging with it.

This cutting edge 2 can be the direction of single vertical work sheet material 100, its forced draft can sink portion 3 toward both sides by operating clearance 101 to be disperseed, or this cutting edge 2 can be made as majority, can be as two cutting edges 2 distinctly towards the affiliated portion that sinks 3, or act on the per surface of sheet material 100 in the mode that focuses on two each oblique cutting edges 2, form the shovel shear force amount of different directions.

Please consult shown in Figure 4 again, the air knife 1 of the utility model can utilize the mode of combination, and by positive ballasting 11 independently and independently negative pressure cabin 12 abut each other and form, wherein utilize positive ballasting 11 1 sides to make up a negative pressure cabin 12 at least, positive 11 of ballastings are provided with cutting edge 2, relatively negative pressure cabin 12 is set sinks mouth 31 and the collection of making aforementioned dust and dirt is searched and removed, this independently coexists mutually and can be provided with unhurried current chamber 30 before sinking mouth 31 in negative pressure cabin 12, to form the portion that sinks as the aforementioned 3 effects, single positive ballasting 11 can be matched single negative pressure cabin 12, or single positive ballasting 11 can match before and after two negative pressure cabins 12, to constitute work functions as Fig. 3, all can abut other air knife of combination as Fig. 3 or air knife 1 that Fig. 4 constituted, remove ability with the conversion different levels.

These positive ballasting 11 set cutting edges 2 are to protrude out set surrounding edge 33 level heights of the portion of sinking 3, form a height potential difference H, by the existence of this height potential difference H, can form the independent action of operating clearance 101 and supply gap 102 as shown in Figure 3.

Please consult shown in Figure 5 again, air knife 1 and positive ballasting 11 set cutting edges 2 with independent combination can be majority, more than plural number, and the level height position of its combination is also as the height potential difference H of Fig. 3, make cutting edge can protrude from surrounding edge 33, and this cutting edge 2 can be taked oblique setting, the portion that sinks 3 with corresponding relation, sink the portion identical unhurried current chambers 30 that are provided with 3 and sink mouth 31 with conducting, the identical high frequency pulse generator 4 that is provided with in the position of cutting edge 2, form air pulse with pressure with positive ballasting 11, its compound mode can be adopted single positive ballasting 11 pairings one negative pressure cabin 12, or respectively disposes negative pressure cabin 12 with single positive ballasting 11 front and back, to form the function of use as Fig. 3, or the air knife of forming by majority 1 is with two combinations side by side more than the air knife, to increase the removing ability.

The utility model mainly is the cutting edge that is provided with malleation output in the knife face central authorities of air knife, distinctly be provided with the portion that sinks 3 of negative pressure according to the linear front and back position of work travel line at this cutting edge, two sink portion's 3 conducting suction functions out of the ordinary, with acquisition mode before and after getting, allow the pressure of set cutting edge 2 outputs of middle position sagittally be absorbed, then effectively mending in the middle of absorption process and obtain the dust and dirt particulate of being provoked, and reach the removing effect of comprehensively catching, is the improvement design of an innovation.

Claims

1. an air knife improves structure, it is characterized in that it includes a positive ballasting, link and be provided with a cutter hub, front and back at cutter hub dispose the portion of sinking, sink portion conducting negative pressure cabin, sink the portion outside and respectively be provided with surrounding edge, cutter hub is provided with at least one cutting edge, and the cutting edge horizontal level protruded out the level height of the set surrounding edge of the portion of sinking.

2. improve structure according to the described air knife of claim 1, it is characterized by that this cutter hub and the portion that sinks are set to sink between the mouth, be formed with the chamber of flowing slowly.

3. improve structure according to the described air knife of claim 2, it is characterized by this unhurried current chamber and be provided with the interior angle end.

4. improve structure according to the described air knife of claim 1, it is characterized by this cutting edge front end of giving vent to anger, be provided with a high frequency pulse generator.

5. improve structure according to the described air knife of claim 1, it is characterized by this air knife, form in integrally formed mode for being total to structure by a positive ballasting and negative pressure cabin.

6. improve structure according to the described air knife of claim 1, it is characterized by this air knife monomer and combine mutually for positive ballasting and negative pressure cabin with independence, positive ballasting is provided with cutting edge, and the same knife face in negative pressure cabin is provided with and sinks mouth.

7. improve structure according to the described air knife of claim 6, it is characterized by this positive ballasting and can match single at least negative pressure cabin.

8. improve structure according to claim 1 or 6 described air knives, it is characterized by this cutting edge and can be oblique.