CN108838021A - A kind of equipment complex and its complex method for the processing of plastics pre-coating film - Google Patents
A kind of equipment complex and its complex method for the processing of plastics pre-coating film Download PDFInfo
- Publication number
- CN108838021A CN108838021A CN201810934651.6A CN201810934651A CN108838021A CN 108838021 A CN108838021 A CN 108838021A CN 201810934651 A CN201810934651 A CN 201810934651A CN 108838021 A CN108838021 A CN 108838021A
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- Prior art keywords
- glue
- roller
- coating film
- eva
- cooling
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- 239000004033 plastic Substances 0.000 title claims abstract description 100
- 229920003023 plastic Polymers 0.000 title claims abstract description 100
- 239000011248 coating agent Substances 0.000 title claims abstract description 92
- 238000000576 coating method Methods 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000003292 glue Substances 0.000 claims abstract description 285
- 238000001816 cooling Methods 0.000 claims abstract description 96
- 238000003825 pressing Methods 0.000 claims abstract description 69
- 239000002131 composite material Substances 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 239000002985 plastic film Substances 0.000 claims abstract description 22
- 229920006255 plastic film Polymers 0.000 claims abstract description 22
- 239000004831 Hot glue Substances 0.000 claims abstract description 16
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 14
- 238000005183 dynamical system Methods 0.000 claims abstract description 11
- 150000001875 compounds Chemical class 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000012943 hotmelt Substances 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 6
- 239000004922 lacquer Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 239000002352 surface water Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010345 tape casting Methods 0.000 description 2
- 235000019628 coolness Nutrition 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0817—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for removing partially liquid or other fluent material from the roller, e.g. scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
- B05C1/0834—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets the coating roller co-operating with other rollers, e.g. dosing, transfer rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1042—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material provided with means for heating or cooling the liquid or other fluent material in the supplying means upstream of the applying apparatus
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of equipment complex and its complex method for the processing of plastics pre-coating film, the equipment complex control system, the dynamical system being electrically connected to the control system, rack, the EVA hot-melt adhesive feeding machanism in rack, second pressing mechanism and secondary cooling mechanisms；Compared with prior art, equipment complex of the invention is using gluing method；While guaranteeing composite plastic film quality, pass through the depth of the mesh number of the site or decorative pattern of control upper glue roller and one step press roller, mesh number ratio between the two, site or decorative pattern, glue quantity is reduced by reducing the adhesive capacity of unit plane gum deposit, the dosage for greatly reducing EVA glue, reduces production cost.
Description
Technical field
The present invention relates to composite material production equipment technology more particularly to a kind of answering for the processing of plastics pre-coating film
Close equipment and its complex method.
Background technique
The existing equipment complex for the processing of plastics pre-coating film generallys use the tape casting and precoats EVA glue and plastics
Film carries out compound；This equipment usually requires first to heat EVA powder by helical screw agitator and be transported in die head, then out of die head
It is directly expressed on plastics pre-coating film, glues rod and pressing roll press later, EVA hot-melt adhesive is pressed on plastics pre-coating film；Such as
Fruit is wanted to reduce cost, it is necessary to set about from the dosage for reducing EVA glue；It is this compound but since the mobility of EVA glue limits
The thickness of EVA glue is related with screw speed, die head extrusion output on equipment plastics pre-coating film, in order to guarantee that gluing is uniform, film head
The limit of opening is 1-2 millimeters, and the thickness limit of finally formed composite membrane is not less than 5 silks；EVA glue quantity is still
It is bigger, it is difficult to be greatly lowered and be produced into, and due to needing screw rod feeding, colloidal sol and conveying glue, the function of the equipment
Rate is larger, and energy consumption is also bigger.
Summary of the invention
The purpose of this invention is to solve the problems associated with the prior art, provides a kind of answering for the processing of plastics pre-coating film
Equipment is closed, can reduce EVA glue quantity, reduces production cost.
To achieve the above object, the technical scheme adopted by the invention is as follows a kind of compound setting for the processing of plastics pre-coating film
It is standby, it is described to be used for dynamical system, the machine that the equipment complex that plastics pre-coating film is processed includes control system, is electrically connected to the control system
Frame, the EVA hot-melt adhesive feeding machanism in rack, second pressing mechanism and secondary cooling mechanism.
The second pressing mechanism includes for adhering to the upper glue roller of EVA glue, being used for EVA glue through gluing roll press
One step press roller on to plastics pre-coating film and for reducing between the EVA glue being adhered on plastics pre-coating film and plastics pre-coating film
Internal stress second pressing roller, the upper glue roller, one step press roller and second pressing roller with dynamical system be sequentially connected, institute
It states and one step press roller while being connect with upper glue roller and second pressing roll-in, the one step press roller is plain roller, upper glue roller and secondary
Press bonding roller is cloudy surface roller, and the mesh number of the upper glue roller is M, and the mesh number of the second pressing roller is N, M < N.
EVA hot-melt adhesive can be coated on upper glue roller by the feeding machanism under the action of control system.
The cooling body and dynamical system are sequentially connected, including the preposition cooling component for making plastics pre-coating film cool down
With the postposition cooling component for making composite plastic film be formed, the second pressing mechanism is located at preposition cooling component and postposition is cold
But between component.
The plastics pre-coating film is delivered between one step press roller and upper glue roller through preposition cooling component, multiple with EVA glue
It is flowed to after conjunction between one step press roller and second pressing roller, after progress second pressing enters postposition cooling component progress cooling and shaping
It is exported.
As an improvement of the present invention, the EVA hot-melt adhesive feeding machanism includes in rack equipped with hot melt EVA
It the glue case of glue, the glue groove for holding the EVA glue being pumped by glue case and is connected with glue groove and the opposite upper glue roller of glue groove can be made
Mobile translation component, is equipped with scraper by scraper pressing plate in the glue groove, and the rack is equipped with the support base with sliding rail, institute
It states glue groove two sides and is equipped with sliding and the travelling arm on sliding rail, the translation component is connect with travelling arm；The translation component can be
Make glue groove close to upper glue roller under the action of control cabinet and compress scraper on upper glue roller, upper glue roller is located at the portion above scraper
Divide and constitutes EVA glue conveying trough of the upper end there are glue-feeder together with glue groove, scraper, the upper glue roller composition glue transmission
Glue is immersed in the part of slot at work.
The preposition cooling component and postposition cooling component are the chill roll by several and dynamical system transmission connection
The roller group of the roller group of composition, the postposition cooling component is divided into first order postposition chill roll along the conveying side of plastics pre-coating film
The cooling roller group of group, second level postposition and the cooling roller group of third level postposition, the cooling roller group of the first order postposition, second level postposition are cold
But the temperature of roller group and the cooling roller group of third level postposition successively reduces.
As an improvement of the present invention, the upper glue roller is the hot steel rider of oil, the one step press roller and second pressing roller
For rubber roller, M：N=1:3—1:5.
The temperature range of the cooling roller group of the first order is 80 DEG C to 120 DEG C；The temperature model of the cooling roller group in the second level
Enclosing is 40 DEG C to 80 DEG C, and the temperature range of the cooling roller group of the third level is 10 DEG C to room temperature, and chill roll is water cooled rolls steel rider.
Two adjacent chill rolls are all made of S-shaped alternation method row in the preposition cooling component and postposition cooling component
Cloth.
As an improvement of the present invention, the glue groove is that L-type can heat glue groove, and glue groove both ends are equipped with shelves offset plate, glue groove
The inclined-plane that horizontally disposed part is tilted down equipped with the part that opposite glue groove is vertically arranged, the scraper pressing plate and glue groove
Inclined-plane is adapted, and scraper is fixed on the inclined-plane of glue groove, and the part that glue groove is vertically arranged is equipped with several heating bars.
As an improvement of the present invention, adjusting screw rod is equipped on two travelling arm, the adjusting screw rod is equipped with
Driving member with handwheel, the shelves offset plate are connect with driving member.
As an improvement of the present invention, scraper shield is covered with above the glue groove, scraper shield is equipped with evacuation hand
The escape groove of wheel；It is equipped with below the glue groove and connects lacquer disk(-sc).
A kind of complex method of plastics pre-coating film, it is characterised in that the plastics pre-coating film is compound using the progress of gluing method,
Specifically include following steps：
Step 1：EVA rubber powder is melted as EVA glue in advance and is packed into glue case；
Step 2：It is adapted to its temperature with hot melt glue temperature upper glue roller heating；
Step 3：To upper glue roller gluing：Glue groove is close to upper glue roller, and scraper is pressed against each other with upper glue roller, makes upper glue roller position
Part above scraper constitutes EVA glue conveying trough of the upper end there are glue-feeder together with glue groove, scraper；Then by glue
Hot melt adhesive in case is pumped into EVA glue conveying trough, and glue is immersed in the part for making upper glue roller constitute EVA glue conveying trough；
Step 4：To will be compound with EVA glue plastics pre-coating film cool down：Start control system, keeps plastics pre-
Film passes through preposition cooling component and rapid cooling；
Step 5：Plastics pre-coating film and the progress of EVA glue is compound：When plastics pre-coating film be transported to one step press roller with it is upper
When between rubber roller, start secondary composite structure, makes one step press roller, upper glue roller, the rotation of second pressing roller, upper glue roller excess surface
Glue scraped by scraper, plastics pre-coating film between one step press roller and upper glue roller from when passing through, in upper glue roller site or decorative pattern
EVA glue be transferred on plastics pre-coating film, meet have the plastics pre-coating film of EVA glue by one step press roller with it is secondary
When between press bonding roller, second pressing roller rolls the EVA glue being adhered on plastics pre-coating film again, overcomes EVA glue-line and modeling
Expect the internal stress between pre-coating film；
Step 6：Composite plastic film after will be compound carries out secondary cold-zone sizing：Composite plastic film after compound is through secondary
Cooling component is cooled down and is formed.
As an improvement of the present invention, in the step 4, plastics pre-coating film temperature after preposition cooling component is reduced to
10 DEG C or so.
As an improvement of the present invention, the finally formed composite plastic film of the step 5 with a thickness of 2.5 to 3
Silk.
As an improvement of the present invention, the temperature for the composite plastic film that the step 6 finally exports is 10 DEG C to room
Temperature.
Compared with prior art, a kind of equipment complex for the processing of plastics pre-coating film of the invention has the following advantages that：
1. a kind of equipment complex for the processing of plastics pre-coating film of the invention can be using gluing method to plastics pre-coating film
It is carried out with EVA hot-melt adhesive compound；When work EVA hot-melt adhesive feeding machanism by the EVA glue of hot melt by smearing upper glue roller, plastics
Pre-coating film is delivered between one step press roller and upper glue roller through preposition cooling component, under the pressure of upper glue roller and one step press roller
EVA glue is transferred on plastics pre-coating film by site on upper glue roller or decorative pattern；It is then coated with the plastics precoating of EVA glue
Film flows between one step press roller and second pressing roller, carry out second pressing with eliminate to be formed EVA glue-line and plastics pre-coating film it
Between internal stress, subsequently into postposition cooling component carry out cooling and shaping after exported；With traditional the tape casting ratio, this reality is compound
Equipment is using gluing method；While guaranteeing composite plastic film quality, by the net for controlling upper glue roller and one step press roller
Point or the mesh number of decorative pattern, mesh number ratio between the two, the depth of site or decorative pattern, pass through the adhesive capacity for reducing unit plane gum deposit
Glue quantity is reduced, the dosage of EVA glue is greatly reduced, reduces production cost.
2. a kind of equipment complex for the processing of plastics pre-coating film of the invention, feeding machanism provides to be heated in advance
EVA glue can save screw rod to the feeding of EVA glue, hot melt and the process of conveying, plant capacity can be greatly reduced, make
Equipment energy consumption reduces, and then reduces production cost.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the equipment complex for the processing of plastics pre-coating film of the present invention；
Fig. 2 is the schematic diagram of second pressing component in Fig. 1；
Fig. 3 is the positional diagram of Tu1Zhong secondary cooling mechanism and second pressing mechanism；
Fig. 4 is the structure and location diagram of Fig. 1 upper glue roller and EVA hot-melt adhesive feeding machanism；
Fig. 5 is the cross-sectional view of Fig. 4；
Fig. 6 is that Fig. 4 removes the structural schematic diagram after upper glue roller；
Fig. 7 is the structural schematic diagram of Fig. 6 other direction；
Fig. 8 is that Fig. 6 removes the structural schematic diagram after scraper shield；
In figure：1. second pressing mechanism, 11. upper glue rollers, 12. one step press rollers, 13. second pressing rollers, 14. chill rolls,
15. for pressure roller, 2. secondary cooling mechanisms, 21. preposition cooling components, 22. postposition cooling components, 221. first order postposition chill rolls
The cooling roller group of the cooling roller group of group, 222. second level postpositions, 223. third level postpositions, 3.EVA hot melt adhesive feeding machanism, 31. glue casees,
32. glue groove, 321. heating bars, 322. grades of offset plates, 323. connect lacquer disk(-sc), 324. scraper pressing plates, 325. scrapers, 326. scraper shields,
3261. escape groove, 33. translation components, 34. support bases, 341. sliding rails, 35. travelling arms, 351. adjust screw rods, 36. driving members,
361. handwheel
The embodiments will be further described with reference to the accompanying drawings for the realization of function of the present invention and advantage.
Specific embodiment
The invention will be further described with preferred embodiment with reference to the accompanying drawing.
As shown in Figures 1 to 8, a kind of equipment complex for the processing of plastics pre-coating film, it is described to add for plastics pre-coating film
Dynamical system, the rack, the EVA hot melt in rack that the equipment complex of work includes control system, is electrically connected to the control system
Glue feeding machanism 3, second pressing mechanism 1 and secondary cooling mechanism 2.
The second pressing mechanism 1 includes for adhering to the upper glue roller 11 of EVA glue, being used for EVA glue through upper glue roller
11 one step press rollers 12 pressed on plastics pre-coating film and pre- for reducing the EVA glue being adhered on plastics pre-coating film and plastics
The second pressing roller 13 of internal stress between film, the one step press roller 12 are pressed with upper glue roller 11 and second pressing roller 13 simultaneously
It connects, the one step press roller 12 is plain roller, and upper glue roller 11 and second pressing roller 13 are cloudy surface roller, the mesh of the upper glue roller 11
Number is M, and the mesh number of the second pressing roller 13 is N, M < N, the upper glue roller 11, one step press roller 12, second pressing roller 13 with
Power mechanism transmission connection, the upper glue roller 11 and second pressing roller 13 rotate clockwise, and the one step press roller 12 is counterclockwise
Rotation, the plastics pre-coating film is through flowing to one step press roller 12 and second pressing roller 13 between one step press roller 12 and upper glue roller 11
Between, and by being exported between one step press roller 12 and second pressing roller 13.
Preferably, the mesh number of upper glue roller 11 be 80~250 mesh, can make it is compound after composite membrane on EVA glue adhesive capacity
As small as possible, the mesh number of second pressing roller 13 is 3-5 times of 11 mesh number of upper glue roller, and the plastics after the pressing of one step press roller 12 are pre-
When film flows through second pressing roller 13 of the mesh number greater than upper glue roller 11, it can effectively eliminate between EVA glue-line and plastics pre-coating film
Internal stress.
Preferably, upper glue roller 11 is the hot steel rider of oil；EVA glue can be made to keep higher temperature the heating of upper glue roller 11,
Will not because the temperature of upper glue roller 11 is lower so that EVA glue is cooled down due to influence the mobility of EVA glue, make EVA on plastics pre-coating film
Glue gluing is uneven；Simultaneously because having glue scraping plate after EVA glue is coated on upper glue roller 11 for 11 excess surface of upper glue roller
Glue hang, upper glue roller 11 using steel rider avoid glue scraping plate scratch 11 surface of upper glue roller.
Preferably, one step press roller 12 and second pressing roller 13 are rubber roller, and rubber roller is lower relative to steel rider hardness, in plastics
When pre-coating film passes through between one step press roller 12 and upper glue roller 11, the EVA glue on upper glue roller 11 can both be made to be combined to plastics
On pre-coating film, plastics pre-coating film will not be made because of excessive extrusion deformation occurs by having.
Since one step press roller 12 can absorb heat during contacting the plastics pre-coating film and hot melt EVA glue of high temperature
Amount, 12 temperature of one step press roller is excessively high in order to prevent, if the second pressing mechanism 1 of the plastics pre-coating film equipment complex is additionally provided with
The dry chill roll 14 contacted with one step press roller 12；The surface temperature that one step press roller 12 can be effectively reduced avoids primary
12 temperature of press bonding roller is excessively high, and deformation occurs.
Preferably, chill roll 14 is water cooling steel rider, and steel roller faces are smooth, and quick heating cooling is also fast, is not only rotating
Friction in journey between one step press roller 12 is smaller, can also quickly absorb the surface temperature of one step press roller 12, Ke Yiyou
Effect is that one step press roller 12 cools down.
Since second pressing roller 13 is rubber roller, and it is chronically at high speed, the operating condition of high temperature, in order to prevent second pressing
Deformation occurs for roller 13, and the second pressing mechanism 1 of the plastics pre-coating film equipment complex is standby equipped with contacting with second pressing roller 13
Pressure roller 15.
Preferably, the gas for adjusting pressure size between standby pressure roller 15 and second pressing roller 13 is connected on standby pressure roller 15
Cylinder.
The EVA hot-melt adhesive feeding machanism 3 includes that being equipped in rack heats the glue case 31 of EVA glue, for containing
It puts the glue groove 32 for the EVA glue being pumped by glue case 31 and is connect with glue groove 32 and glue groove 32 can be made relative to the flat of the movement of upper glue roller 11
Component 33 is moved, passes through scraper pressing plate 324 in the glue groove 32 and is equipped with scraper 325, the translation component 33 can make glue groove 32 upward
Rubber roller 11 is close and compresses scraper 325 on upper glue roller 11, upper glue roller 11 be located at the part of the top of scraper 325 and glue groove 32,
Scraper 325 constitutes a upper end together, and there are the EVA glue conveying troughs of glue-feeder；EVA glue flows into EVA by glue-feeder when work
Glue conveying trough, the part that upper glue roller 11 constitutes EVA glue conveying trough is immersed in EVA glue and fills glue, in upper glue roller 11
When rotation, the composition EVA glue conveying trough or produced from EVA glue conveying trough that 11 different parts of upper glue roller recycle, from EVA glue
Extra glue is scraped from 111 surface of upper glue roller by scraper 325 and falls into EVA glue again on the upper glue roller 11 that transmission groove produces
Conveying trough.
Preferably, rack is equipped with the support base 34 with sliding rail 341, and 32 two sides of glue groove are equipped with sliding and sliding rail 341
On travelling arm 35, the translation component 33 connect with travelling arm 35；It can make to translate the opposite gluing of the pulling glue groove 32 of component 33
Roller 11 is mobile.
Preferably, the quantity for translating component 33 is two, and two translation components 33 are connect with a travelling arm 35 respectively, are made
32 both ends stress equalization of glue groove, avoids 32 moving process of glue groove from shifting, and scraper 325 is made to compress the power on upper glue roller 11 not
Uniformly.
Preferably, translation component 33 is the flat-removing air cyclinder connecting with travelling arm 35.
Preferably, glue groove 32 is the heatable glue groove 32 of L-type, and 32 both ends of glue groove are equipped with shelves offset plate 322, and glue groove 32 is horizontal
The part of setting is equipped with the inclined-plane that the part that opposite glue groove 32 is vertically arranged tilts down, and the inclined-plane is vertical with respect to glue groove 32
The inclination angle of setting unit is 30 ° to 45 °, and the scraper pressing plate 324 is adapted with the inclined-plane of glue groove 32, and scraper 325 is fixed
On the inclined-plane of glue groove 32；Scraper 325 is obliquely installed, and both can effectively be scraped glue extra on upper glue roller 11, having can
It is pressed down to avoid scraper 325；The part that glue groove 32 is vertically arranged is equipped with several heating bars 321；Glue groove with heating function
32 can keep the temperature of glue, and glue will not mobility be deteriorated due to temperature reduces.
Preferably, it is equipped on two travelling arms 35 and adjusts screw rod 351, the adjusting screw rod 351 is equipped with handwheel 361
Driving member 36, the shelves offset plate 322 are connect with driving member 36；Can according to two grades of offset plates 322 of length adjustment of upper glue roller 11 it
Between distance, freedom and flexibility are applied widely.
Preferably, scraper shield 326 is covered with above glue groove 32, scraper shield 326 is equipped with the evacuation of evacuation handwheel 361
Slot 3261.
Preferably, it is equipped with below glue groove 32 and connects lacquer disk(-sc) 323；When glue groove 32 is far from upper glue roller 11, on upper glue roller 11 not by
The glue that scraper 325 scrapes, which can be fallen into, connects lacquer disk(-sc) 323, avoids wasting, while work top can be kept clean and tidy.
The secondary cooling mechanism 2 includes preposition cooling component 21 and postposition cooling component 22, preposition 21 He of cooling component
Postposition cooling component 22 is located at preposition cooling component 21 with the dynamical system transmission connection second pressing mechanism 1 and postposition is cold
But between component 22, the plastics pre-coating film is delivered between one step press roller 12 and upper glue roller 11 through preposition cooling component 21,
With EVA glue it is compound after flow between one step press roller 12 and second pressing roller 13, carry out second pressing and enter the cooling group of postposition
Part 22 is exported after carrying out cooling and shaping.
The preposition cooling component 21 and postposition cooling component 22 are the roller group being made of several chill rolls 14, described
The roller group of postposition cooling component 22 is divided into first order postposition cooling roller group 221, the second level along the conveying side of plastics pre-coating film
The cooling roller group 222 of postposition and the cooling roller group 223 of third level postposition, the cooling roller group 221 of the first order postposition, second level postposition are cold
But the temperature of roller group 222 and the cooling roller group 223 of third level postposition successively reduces；The roller group of preposition cooling component 21 make it is compound before
Plastics pre-coating film own temperature reduces, can to avoid plastics pre-coating film with EVA glue compound tense temperature is excessively high is carbonized；Plastics
The internal stress of composite plastic film can be eliminated after pre-coating film and EVA glue are compound through 22 cooling of postposition cooling component；And postposition
The cooling roller group 221 of first order postposition, the cooling roller group 222 of second level postposition and third that cooling component 22 is divided for temperature step setting
The cooling roller group 223 of grade postposition；Composite plastic film temperature is gradually decreased, will not make composite plastic film brittle because of quenching, influence to produce
Quality.
Preferably, 14 groups of first order chill roll of temperature range is 80 DEG C to 120 DEG C；The temperature that 14 groups of second level chill roll
Range is 40 DEG C to 80 DEG C, and the temperature range of 14 groups of the third level chill roll is 10 DEG C to room temperature；Due to the plastics after compound
For temperature when composite membrane is exported from second pressing mechanism 1 at 120 ° or so, the temperature range that 14 groups of first order chill roll is 80 DEG C
It can be to avoid brittle due to composite plastic film rapid cooling to 120 DEG C；Temperature of the composite plastic film after 14 groups of first order chill roll
For range at 80 ° or so, the 14 groups of carry out secondary coolings of second level chill roll for being 40 DEG C to 80 DEG C subsequently into temperature range are laggard
Entering temperature range is that 10 DEG C of 14 groups of third level chill roll to room temperature are finally cooled down, and drops the final temperature of composite plastic film
As low as 10 DEG C or so；Eliminate the internal stress of composite plastic film all, the plastics at this time by composite plastic film clot, between each layer
Composite membrane will not be pasted, and uncoiling is smooth, and not have noise generation.
Preferably, chill roll 14 is water cooled rolls；Cost is relatively low, and easy control of temperature.
It is arranged between two adjacent chill rolls 14 of the preposition cooling component 21 using S-shaped alternation method；Postposition is cooling
It is arranged between two adjacent chill rolls 14 of component 22 using S-shaped alternation method；It is staggered not only to save space, make
The plastics pre-coating film passed through in the spatial dimension of equal length or height is longer.
A kind of complex method of plastics pre-coating film, it is characterised in that the plastics pre-coating film is compound using the progress of gluing method,
Specifically include following steps：
Step 1：EVA rubber powder is melted as EVA glue in advance and is packed into glue case 31；
Step 2：It is adapted to its temperature with hot melt glue temperature the heating of upper glue roller 11；
Step 3：To 11 gluing of upper glue roller：Glue groove 32 is close to upper glue roller 11, and scraper 325 is pressed against each other with upper glue roller 11,
Make upper glue roller 11 be located at the part of the top of scraper 325 with glue groove 32, scraper 325 to constitute a upper end together there are glue-feeders
EVA glue conveying trough；Then the hot melt adhesive in glue case 31 is pumped into EVA glue conveying trough, so that upper glue roller 11 is constituted EVA glue and passes
The part of slot is sent to immerse glue；
Step 4：To will be compound with EVA glue plastics pre-coating film cool down：Start control system, keeps plastics pre-
Film passes through preposition cooling component 21 and rapid cooling；
Step 5：Plastics pre-coating film and the progress of EVA glue is compound：When plastics pre-coating film be transported to one step press roller 12 with
When between upper glue roller 11, start secondary composite structure, rotates one step press roller 12, upper glue roller 11, second pressing roller 13, gluing
The glue of 11 excess surface of roller is scraped by scraper 325, when plastics pre-coating film passes through between one step press roller 12 and upper glue roller 11,
EVA glue in 11 site of upper glue roller or decorative pattern is transferred on plastics pre-coating film, and meeting has the plastics pre-coating film of EVA glue to exist
When by between one step press roller 12 and second pressing roller 13, EVA glue that second pressing roller 13 will be adhered on plastics pre-coating film
Water rolls again, overcomes the internal stress between EVA glue-line and plastics pre-coating film；.
Step 6：Composite plastic film after will be compound carries out secondary cold-zone sizing：Composite plastic film after compound is through secondary
Cooling component is cooled down and is formed.
Preferably, in step 4, plastics pre-coating film temperature after preposition cooling component 21 is reduced to 10 DEG C or so.
Preferably, step 5 passes through the mesh number of site or decorative pattern, the two on control upper glue roller 22 and second pressing roller 13
Between mesh number ratio, the depth of site or decorative pattern, 2.5 to 3 silks of finally formed film thickness, finally formed modeling can be made
Expect composite membrane with a thickness of 2.5 to 3 silks.
Preferably, the temperature for the composite plastic film that step 6 finally exports is 10 DEG C to room temperature.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of equipment complex for the processing of plastics pre-coating film, it is characterised in that：The answering for the processing of plastics pre-coating film
Close dynamical system, the rack, the EVA hot-melt adhesive feed in rack that equipment includes control system, is electrically connected to the control system
Mechanism, second pressing mechanism and secondary cooling mechanism；
The second pressing mechanism includes for adhering to the upper glue roller of EVA glue, for EVA glue to be pressed to modeling through upper glue roller
Expect pre-coating film on one step press roller and for reducing between the EVA glue being adhered on plastics pre-coating film and plastics pre-coating film
The second pressing roller of stress, the upper glue roller, one step press roller and second pressing roller are sequentially connected with dynamical system, and described one
Secondary press bonding roller connects with upper glue roller and second pressing roll-in simultaneously, and the one step press roller is plain roller, upper glue roller and second pressing
Roller is cloudy surface roller, and the mesh number of the upper glue roller is M, and the mesh number of the second pressing roller is N, M < N；
EVA hot-melt adhesive can be coated on upper glue roller by the feeding machanism under the action of control system；
The cooling body and dynamical system are sequentially connected, including the preposition cooling component and use for making plastics pre-coating film cool down
In the postposition cooling component for making composite plastic film be formed, the second pressing mechanism is located at preposition cooling component and the cooling group of postposition
Between part；
The plastics pre-coating film is delivered between one step press roller and upper glue roller through preposition cooling component, with EVA glue it is compound after
Flow between one step press roller and second pressing roller, carry out second pressing enter postposition cooling component carry out cooling and shaping after it is defeated
Out.
2. according to the equipment complex for being used for the processing of plastics pre-coating film described in claim 1, it is characterised in that：The EVA hot-melt adhesive
Feeding machanism includes glue case, the glue for holding the EVA glue being pumped by glue case equipped with hot melt EVA glue in rack
Slot and the translation component for connecting with glue groove and glue groove being made mobile with respect to upper glue roller pass through scraper pressing plate in the glue groove equipped with scraping
Knife, the rack are equipped with the support base with sliding rail, and the glue groove two sides are equipped with sliding and the travelling arm on sliding rail, the translation
Component is connect with travelling arm；The translation component can make glue groove close to upper glue roller under the action of control cabinet and compress scraper
Onto upper glue roller, the part that upper glue roller is located above scraper constitutes a upper end together with glue groove, scraper, and there are the EVA of glue-feeder
Glue is immersed in the part of glue conveying trough, the upper glue roller composition glue conveying trough at work；
The preposition cooling component and postposition cooling component are to be made of the chill roll of several and dynamical system transmission connection
Roller group, the roller group of the postposition cooling component along the conveying side of plastics pre-coating film be divided into the cooling roller group of first order postposition,
The cooling roller group of second level postposition and the cooling roller group of third level postposition, the cooling roller group of the first order postposition, second level postposition are cooling
The temperature of roller group and the cooling roller group of third level postposition successively reduces.
3. according to the equipment complex for being used for the processing of plastics pre-coating film described in claim 2, it is characterised in that：The upper glue roller is oil
Hot steel rider, the one step press roller and second pressing roller are rubber roller, M：N=1:3—1:5；
The temperature range of the cooling roller group of the first order is 80 DEG C to 120 DEG C；The temperature range of the cooling roller group in the second level is
40 DEG C to 80 DEG C, the temperature range of the cooling roller group of the third level is 10 DEG C to room temperature, and chill roll is water cooled rolls steel rider；
Two adjacent chill rolls are all made of the arrangement of S-shaped alternation method in the preposition cooling component and postposition cooling component.
4. according to the equipment complex for being used for the processing of plastics pre-coating film described in claim 3, it is characterised in that：The glue groove is L-type
Glue groove can be heated, glue groove both ends are equipped with shelves offset plate, and the horizontally disposed part of glue groove is equipped with the part that opposite glue groove is vertically arranged
The inclined-plane tilted down, the scraper pressing plate is adapted with the inclined-plane of glue groove, and scraper is fixed on the inclined-plane of glue groove, glue groove
The part being vertically arranged is equipped with several heating bars.
5. according to the equipment complex for being used for the processing of plastics pre-coating film described in claim 4, it is characterised in that：On two travelling arm
It is equipped with adjusting screw rod, the adjusting screw rod is equipped with the driving member with handwheel, and the shelves offset plate is connect with driving member.
6. according to the equipment complex for being used for the processing of plastics pre-coating film described in claim 5, it is characterised in that：Cover above the glue groove
Equipped with scraper shield, scraper shield is equipped with the escape groove of evacuation handwheel；It is equipped with below the glue groove and connects lacquer disk(-sc).
7. a kind of complex method of plastics pre-coating film, it is characterised in that the plastics pre-coating film carries out compound, tool using gluing method
Body includes the following steps：
Step 1：EVA rubber powder is melted as EVA glue in advance and is packed into glue case；
Step 2：It is adapted to its temperature with hot melt glue temperature upper glue roller heating；
Step 3：To upper glue roller gluing：Glue groove is close to upper glue roller, and scraper is pressed against each other with upper glue roller, is located at upper glue roller and is scraped
Part above knife constitutes EVA glue conveying trough of the upper end there are glue-feeder together with glue groove, scraper；It then will be in glue case
Hot melt adhesive be pumped into EVA glue conveying trough, make upper glue roller constitute EVA glue conveying trough part immerse glue；
Step 4：To will be compound with EVA glue plastics pre-coating film cool down：Start control system, makes plastics pre-coating film
Pass through preposition cooling component and rapid cooling；
Step 5：Plastics pre-coating film and the progress of EVA glue is compound：When plastics pre-coating film is transported to one step press roller and upper glue roller
Between when, start secondary composite structure, make one step press roller, upper glue roller, second pressing roller rotation, the glue of upper glue roller excess surface
Water is scraped by scraper, and plastics pre-coating film is from EVA when passing through between one step press roller and upper glue roller, in upper glue roller site or decorative pattern
Glue is transferred on plastics pre-coating film, and meeting has the plastics pre-coating film of EVA glue passing through one step press roller and second pressing
When between roller, second pressing roller rolls the EVA glue being adhered on plastics pre-coating film again, overcomes EVA glue-line and plastics pre-
Internal stress between film；
Step 6：Composite plastic film after will be compound carries out secondary cold-zone sizing：Composite plastic film after compound is through secondary cooling
Component is cooled down and is formed.
8. according to the complex method of plastics pre-coating film described in claim 7, it is characterised in that：In the step 4, plastics precoating
Film temperature after preposition cooling component is reduced to 10 DEG C or so.
9. according to the complex method of plastics pre-coating film described in claim 7, it is characterised in that：The finally formed modeling of step 5
Expect composite membrane with a thickness of 2.5 to 3 silks.
10. according to the complex method of plastics pre-coating film described in claim 7, it is characterised in that：What the step 6 finally exported
The temperature of composite plastic film is 10 DEG C to room temperature.
Priority Applications (1)
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| CN201810934651.6A CN108838021B (en) | 2018-08-16 | 2018-08-16 | Composite equipment for plastic precoating film processing and composite method thereof |
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|---|---|---|---|
| CN201810934651.6A CN108838021B (en) | 2018-08-16 | 2018-08-16 | Composite equipment for plastic precoating film processing and composite method thereof |
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| CN108838021B CN108838021B (en) | 2023-11-14 |
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| CN110303686A (en) * | 2019-07-08 | 2019-10-08 | 苏州洛瑞卡新材料科技有限公司 | A kind of multilayer coating film set composite |
| CN113199725A (en) * | 2021-04-07 | 2021-08-03 | 广西梧州国龙再生资源发展有限公司 | PET plastic sheet extruder and working method thereof |
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| CN108838021B (en) | 2023-11-14 |
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