CN200984813Y

CN200984813Y - Online rotary spraying device of plastic extruding upper blowing film bubble

Info

Publication number: CN200984813Y
Application number: CNU2006201092567U
Authority: CN
Inventors: 曾舒; 薛涛; 陈跃
Original assignee: TIANRUNDA SCIENCE AND TECHNOLOGY Co Ltd GUIZHOU
Current assignee: TIANRUNDA SCIENCE AND TECHNOLOGY Co Ltd GUIZHOU
Priority date: 2006-02-20
Filing date: 2006-02-20
Publication date: 2007-12-05
Anticipated expiration: 2016-02-20

Abstract

The utility model relates to an in line rotate spray device in the plastic film even extrusion surface blowing bubble, comprising a rotate spray machine mainframe, a mechanical arm and a high pressure airless spray machine. The utility model aims at solving the technique problem of evenly overlaying functional masking liquid on the surface of the film in the conditions of not changing the plastic film even extrusion surface blowing bubble and the pulling winding up equipment, not increasing the manufacturing place, and at on line manufacturing. The technique point of the utility model is that the utility model is arranged on the neck ring mould plate of the film blowing machine; when blowing the film and the cylindrical bubble does even pace linear motion, the functional masking liquid is even overlaid on the inner surface of the film through adjusting the nozzle which is arranged on the mechanical arm, adjusting the distance between the nozzle and the inner surface of the bubble, and adjusting the pressure, spray swath, flow rate and rotating speed. The utility model can be arranged on the even extrusion surface blowing film blowing machines whose neck ring mould diameters are above 1,400 mm. If the utility model has an internal cooling device, the coat can be dried by the after heat. The utility model has the advantage of small capital input, particularly applicable for the technique reform of the current agricultural film manufacturing equipment of our country.

Description

The online rotary spraying in films device

Technical field the utility model relates to the rotary spraying device to body surface, specifically is a kind of rotary spray equipment that synchronously cylindrical membrane of sealing is steeped inner face coating functions coating in equalling the production process of squeezing into blowing material film; Can select the film of the spray coating liquor production difference in functionality of difference in functionality.Be particularly suitable for producing the drip fog dispersal canopy film that agricultural, plant husbandry are used.

The polyethylene green house film production of background technology China almost is to put down to squeeze into blow molding technology, and the traditional way of drip fog dispersal performance of improving the canopy film is to add non-drop fog-eliminating agent in the canopy film; But the drip fog dispersal function lasting period of the canopy film that this method is produced is short and can reduce canopy film strength and weather resisteant energy.It is a kind of effective means that discovered in recent years applies the long-acting anti-dropping antifogging agent at the inner surface of canopy film, not only can prolong the drip fog dispersal lasting period of canopy film significantly and reduces production costs, and can not reduce canopy film strength and weather resisteant energy.Present domestic agricultural canopy film manufacturing enterprise mainly attempts on-line spray technology from following two aspects: extrude the online on-line spray technology of drying rolling again from the outer surface spraying of canopy film of upwards blow molding 1.; 2. extrude downward blow molding, spray pipe is drawn at the place at the blowing head, radially continuously liquid non-drop fog-eliminating agent quantitatively is sprayed on film after the typing with shower nozzle from film bubble inside center on, and make shower nozzle with the film bubble size adjustment on-line spray technology of control automatically.These two kinds of methods or increasing production site increase drying equipment; Or change original production technology fully.Fund input is big, is difficult to promote.

Summary of the invention almost is the flat blow molding technology of squeezing at China's polyethylene green house film production, and on-line spray technology reforming scheme fund input at present is difficult to the present situation promoted greatly, and the utility model provides a kind of online rotary spraying in films technology and device.Be characterized in: 1. fund input is little; Need not change the existing flat blowing production technique of squeezing into; Need not increase production site; 2. under the online production situation, in film bubble inner face Rotating with Uniform coating functions masking liquid on the cooling line.

The technical scheme that the utility model technical solution problem is adopted is: this device is made up of three parts: 1. rotary spraying machine host, 2. mechanical arm, 3. high pressure airless spray equipment; Original head is if any interior device for cooling, and the post of earlier it being bled blocks suitably exceeding, and builds the platform of a size less than port mould diameter, again with rotary spraying machine host side's mounted thereto central authorities.Do not have interior device for cooling as former head, then the rotary spraying machine host can be installed in the central authorities of mouthful mould.Nozzle height is more than the cooling line of film bubble; Film is extruded the back uniform motion that makes progress under the traction of hauling machine, form columniform airtight film bubble above the mouth mould.Start this device this moment, the nozzle of rotary spraying main frame is in the rotation of film bubble inner face, adjust the flexible of mechanical arm, spray coating liquor is coated in the film surface that moves upward in right amount equably, if any interior device for cooling, utilize the moisture in the waste heat evaporation spray coating liquor in the film bubble, coldly extract hot and humid gas out the film bubble by interior.As do not have interior device for cooling and then the function masking liquid is retained in the film.

Technological core of the present utility model is the rotary spraying machine host, and this main frame is made up of swivel joint, variable-frequency motor and turbine and worm transmission case, circuit rotary connector and electric expansion bar.Reasonably solved the technical problem that high pressure painting liquid, circuit line are connected, carry to the high speed round end by stationary end.Rational in infrastructure, rotation is steady, and rotating speed is adjustable.The nearly film end of at least two mechanical arms is respectively installed a shower nozzle that nozzle is outside, and mechanical arm can be flexible simultaneously vertically, and the distance of shower nozzle and film is adjustable arbitrarily.At least one high pressure airless spray equipment is connected with the rotary spraying machine host, and flow is adjustable.Spraying swath is adjustable, adjustable in pressure.

Beneficial effect:

1. owing to flow, spraying swath, the spray distance of rotary speed, hydrojet, all can adjust arbitrarily,, can not produce the spraying dead angle so can satisfy the on-line spray of different specification size film;

2. because the utility model adopts is the high-pressure airless rotary spraying, avoided the problem of spray coating liquor bounce-back fully, coating is more even than other spraying method, can not waste spray coating liquor.Can not change original constant voltage in the film bubble.

3. because 1,2 beneficial effect, effectively solved because the excessive problem that the film bubble can't inflation when the trickling downwards of film bubble inwall surpasses the cooling line of spray coating liquor, so need not change the upwards production technology of blowing, need not increase production site, fund input is less, is particularly suitable for the on-line spray transformation of the existing canopy membrane production equipment of China.

Description of drawings Fig. 1 is a schematic diagram.

Annotate: 1-rotation main frame 2,3-mechanical arm 4,5-nozzle lifting regulator

6,7,8-highly pressurised liquid carrier pipe 9,10-nozzle 11,12-hydrojet

13-high pressure airless spray equipment 14-rotation main-engine control desk 15-control line cable

Device for cooling aspiration channel in the last blown film bubble of the 16-17-handpiece body 18-

19-rotation main frame mounting platform 20-cooling line 21-film head platform

The specific embodiment is installed this device by shown in the accompanying drawing.Before blown film is pulled upwardly film bubble 16,, adjust the extreme lower position of spraying swath that nozzle lifting regulator 4,5 guarantees nozzle 9,10 at the cooling line more than 20 according to the height that the fabric width and the thickness of film are determined film bubble cooling line 20.Start high pressure airless spray equipment 13, make the slow highly pressurised

liquid carrier pipe

6,7,8 of function masking

liquid spraying swath

11,12 occur, close high pressure airless spray equipment 13 standbies then until nozzle 9,10.Restart inflation film manufacturing machine after film bubble 16 reaches fabric width, thickness requirement, start rotation main frame 1 and

mechanical arm

2,3 by rotation main-engine control desk 14,

mechanical arm

2,3 begins rotation and simultaneously protruding under the effect of rotation main frame 1, nozzle on being installed in mechanical arm 9,10 starts high pressure airless spray equipment 13 beginning rotary sprayings when steeping 16 inwalls near film.Observe the situation of coating, suitably regulate rotating speed or pressure, flow or the nozzle 9,10 of high pressure airless spray equipment 13 and the distance of film bubble 16 of rotation main frame 1, to reach satisfied coating effect.

This device all can be installed the upward type inflation film manufacturing machine of device for cooling in having or not, and has the inflation film manufacturing machine of interior device for cooling interior device for cooling aspiration channel 18 can be blocked at the 1500mm place, on rotation main frame mounting platform 19 this device is installed.The inflation film manufacturing machine of device for cooling in not having is directly installed this device on mouth mould platform 21.

Claims

1. an online rotary spraying in films device specifically is a kind of rotary spray equipment that synchronously cylindrical membrane of sealing is steeped inner face coating functions coating in equalling the production process of squeezing into blowing material film; Can select the film of the spray coating liquor production difference in functionality of difference in functionality, be particularly suitable for producing agricultural, the drip fog dispersal canopy film that plant husbandry is used, it is characterized in that by the rotary spraying machine host, mechanical arm, the high pressure airless spray equipment three parts are formed, its correlation is to provide power by the frequency control motor that is installed in the rotary spraying machine mainframe box, drive the rotating shaft rotation in the mainframe box, in the axle fluid passage and supply line are arranged, swivel joint and electrode carbon brush are equipped with in its lower end, swivel joint is connected with high pressure airless spray equipment by the high temperature high voltage resistant pipe, the electrode carbon brush is connected with frequency control motor with power supply by fire resistant electric wire, and its upper end is connected with telescopic mechanical arm.

2. online rotary spraying in films device according to claim 1, it is characterized in that blowing the cross-head upper shaft to the rotary spraying machine host is installed flat squeezing into, mechanical arm radially is installed on the mainframe box, the shower nozzle elevation and subsidence regulating device is installed on the mechanical arm, shower nozzle is installed on the elevation and subsidence regulating device, outside the film bubble, high pressure airless spray equipment and control device are installed, the function masking liquid are transported to shower nozzle by pressure piping.

3. online rotary spraying in films device according to claim 2, it is characterized in that installing on the rotating shaft in the rotary spraying machine mainframe box the above swivel joint of at least one passage, at least two above circuit carbon brush that connect mechanical arm of path, at least one telescopic mechanical arm, the above elevation and subsidence regulating device of at least one cover, at least more than one shower nozzle or nozzle, high pressure airless spray equipment more than at least one, at least one highly pressurised liquid conveyance conduit that installs vertically and at least one group of supply line on the handpiece body.

4. online rotary spraying in films device according to claim 3 is characterized in that the position of shower nozzle or nozzle is installed in more than the cooling line of film bubble, and can regulate the position of shower nozzle or nozzle by elevation and subsidence regulating device.