CN101941290B - Self-adhesion membrane blowing production equipment and production method - Google Patents
Self-adhesion membrane blowing production equipment and production method Download PDFInfo
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- CN101941290B CN101941290B CN 201010246800 CN201010246800A CN101941290B CN 101941290 B CN101941290 B CN 101941290B CN 201010246800 CN201010246800 CN 201010246800 CN 201010246800 A CN201010246800 A CN 201010246800A CN 101941290 B CN101941290 B CN 101941290B
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Abstract
The invention provides self-adhesion membrane blowing production equipment. The equipment comprises a nose, a herringbone splint, membrane tube traction pinch rolls, a sectioning cutter, a left set of membrane coiling mechanism and a right set of membrane coiling mechanism, wherein the herringbone splint is positioned above the nose; a membrane tube traction pinch roll is positioned above the herringbone splint; the left set of membrane coiling mechanism and the right set of membrane coiling mechanism are positioned under the sectioning cutter; and a pair of membrane traction pinch rolls are arranged under the sectioning cutter, two pairs of opening pinch rollers are bilaterally and symmetrically arranged under the membrane traction pinch rolls, the left opening pinch rollers are positioned above the left membrane coiling mechanism, and the right opening pinch rollers are positioned above the right membrane coiling mechanism. The production equipment can smoothly coil the self-adhesion membrane, protects the self-adhesion membrane against wrinkle and fluctuation due to adhesion to the surfaces of a foam stabilizing device, the herringbone splint and the membrane tube traction pinch rolls, and ensures enough adhesion of the self-adhesion membrane finished product. The invention also provides a self-adhesion membrane blowing production method.
Description
Technical field
The invention belongs to the technical field of self-adhesive film production equipment and production method, relate in particular to a kind of self-adhesion membrane blowing production equipment and blowing production method.
Background technology
Self-adhesive film claims again adhesive protecting film, its tack coat of wherein one side surface for having stickiness.Self-adhesive film is widely used in the surface protection of the objects such as the electric appliance and electronic equipment such as mobile phone, computer and plastics, glass, building materials; during use, tack coat fits in the protected object surface, has advantages of easy applying, easily opens, opens rear body surface noresidue bonding material.Self-adhesive film can adopt gluing method, casting method, coextrusion film blowing method to produce.
Existing self-adhesion membrane blowing production equipment comprises head, herringbone clamping plate, film pipe traction nip rolls, dissects cutter, left and right two cover diaphragm spoolers.During work, head is extruded self-adhesive film film bubble continually, through forming the ring-type self-adhesive film after inflation, after the ring-type self-adhesive film flattens through the herringbone clamping plate, tunicle pipe traction nip rolls constantly traction is advanced, then dissect cutter the two ends, ring-type self-adhesive film left and right of flattening are cut open respectively, form the self-adhesive film of two sheets, the self-adhesive film of last two sheets is respectively by left and right two cover diaphragm spooler rollings.
in the self-adhesion membrane blowing production technology of prior art, when self-adhesive film film bubble is extruded, tack coat generally is positioned at skin, otherwise, if tack coat is positioned at internal layer, after the ring-type self-adhesive film flattens through the herringbone clamping plate, the tack coat of annular self-adhesive film will face one another and be bonded together, like this in subsequent handling, be difficult to rely on the tractive force of spooler that two tack coats are broken into two with one's hands, because well-known, when spooler batches, coiled material surface tension force must accurately be controlled at the certain numerical value scope, and the coiled material surface tension force of this number range is difficult to two tack coats are broken into two with one's hands, thereby rolling smoothly.
For these reasons, in the self-adhesion membrane blowing production technology of prior art, tack coat generally is located at the skin of circular membrane bubble, but can cause following problem so again: self-adhesive film is in traveling process, tack coat must pass through and touch a lot of parts surfaces such as steady bubble device, herringbone clamping plate, film pipe traction nip rolls, make tack coat in above-mentioned a lot of parts surface generation sticking phenomenon, so not only easily make self-adhesive film fold, shake occur, and affect the viscosity (cohesive force) of self-adhesive film finished product.
Summary of the invention
The object of the invention is to overcome above-mentioned shortcoming and a kind of self-adhesion membrane blowing production equipment and production method are provided, they can be smoothly with the rolling of self-adhesive film diaphragm, and can avoid self-adhesive film to draw nip rolls surface viscous and fold, fluctuation occur at steady bubble device, herringbone clamping plate, film pipe, guarantee that the self-adhesive film finished product has enough viscosity.
its purpose can realize by following scheme: this self-adhesion membrane blowing production equipment comprises head, the herringbone clamping plate, film pipe traction nip rolls, dissect cutter, left and right two cover diaphragm spoolers, wherein the herringbone clamping plate are positioned at head upper, film pipe traction nip rolls is positioned at above the herringbone clamping plate, left and right two cover diaphragm spoolers are positioned at the below of dissecing cutter, its main feature is, also be provided with a pair of diaphragm traction nip rolls below dissecing cutter, going back left and right symmetrically below diaphragm traction nip rolls is furnished with two pairs and breaks nip rolls into two with one's hands, the left side break the diaphragm spooler top that nip rolls is positioned at the left side into two with one's hands, the right break the diaphragm spooler top that nip rolls is positioned at the right into two with one's hands, above-mentioned diaphragm traction nip rolls comprises the first drive roll, the first driven voller, and the first drive roll is by the first motor-driven, break nip rolls into two with one's hands and comprise the second drive roll, the second driven voller for above-mentioned every pair, wherein roller is positioned at the skew back below of another root roller, and this roller that is positioned at the skew back below is silica gel roller, and the second drive roll is by the second motor-driven.So-called inboard, refer to that this plane of symmetry is positioned at two pairs of centres of breaking nip rolls into two with one's hands near two pairs of sides of breaking the plane of symmetry of nip rolls into two with one's hands.
Be preferably, break nip rolls into two with one's hands for every pair and be respectively equipped with a support, every pair of two rollers and second motor of breaking nip rolls into two with one's hands is arranged on respectively on corresponding support, and each support is arranged on respectively on guide rail; Each support also is provided with and drives it along carriage drive mechanism that guide rail moves; When support-moving arrived a wherein end of guide rail, the clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls was 10-150MM; When support-moving arrived the other end of guide rail, the clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls was 400-850MM.
Be more preferably, when support-moving arrived the upper end of guide rail, the clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls was 10～150MM; When support-moving arrived the lower end of guide rail, the clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls was 400～850MM.
When support-moving arrives the upper end of guide rail, from vertical cross-section, the left side roller of diaphragm traction nip rolls and the left side are broken into two with one's hands in nip rolls has an outside common tangent AB between the silica gel roller below skew back, the right roller of diaphragm traction nip rolls and the right are broken into two with one's hands in nip rolls has an outside common tangent CD between the silica gel roller below skew back, and the angle that forms between line segment AB and line segment CD is 60 °～180 °.Line segment AB and line segment CD are respectively the track line segment (during normal rolling) of the two diaphragm operations in left and right in fact.So-called " vertical cross-section " refers to the cross section perpendicular to the rubber roll central axis of diaphragm traction nip rolls.
Described carriage drive mechanism is the rack-and-pinion motion, and its middle rack is fixedly connected with support.
Described guide rail is preferably inclined guide rails.
A kind of self-adhesion membrane blowing production method, adopt above-mentioned self-adhesion membrane blowing production equipment, comprise the following steps: head is constantly extruded the self-adhesive film film bubble of annular, and make tack coat be positioned at the internal layer of self-adhesive film film bubble, through forming annular self-adhesive film after inflation, after the annular self-adhesive film flattened through the herringbone clamping plate, tunicle pipe traction nip rolls constantly traction was advanced, and the tack coat of annular self-adhesive film internal layer faces one another and pastes together; Make the operation of annular self-adhesive film through dissecing cutter, the annular self-adhesive film two ends of dissecing that cutter will flatten are cut open respectively, and the self-adhesive film of two sheets of formation is cut the tack coat of rear two self-adhesive films open and still pasted together; Make two self-adhesive films pasting together pass diaphragm traction nip rolls; After the front end rigion of two self-adhesive films has just passed diaphragm traction nip rolls, by artificial front end rigion left and right strip off with two self-adhesive films, and passed the nip rolls of breaking into two with one's hands on the left side by the front end rigion of a slice self-adhesive film on the artificial traction left side, front end rigion by a slice self-adhesive film on artificial traction the right passes the nip rolls of breaking into two with one's hands on the right, and the tack coat of two self-adhesive films in left and right is being reclined respectively break the silica gel roller of skew back below in nip rolls into two with one's hands; Two self-adhesive films in left and right move respectively when breaking nip rolls into two with one's hands, and the nip rolls of breaking into two with one's hands that the left and right is two pairs applies tractive force to two of left and right diaphragm respectively, and this two tractive force is constantly with the tack coat strip off of two follow-up self-adhesive films; The operation of the self-adhesive film on the left side through the left side break nip rolls into two with one's hands after, carry out rolling by the diaphragm spooler on the left side, and the operation of the self-adhesive film on the right through the right break nip rolls into two with one's hands after, carry out rolling by the diaphragm spooler on the right.
Be preferably, before the front end rigion of artificial two self-adhesive films of strip off, moved to an end of guide rail by carriage drive mechanism driving arm, making the clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls is 400～850MM, for artificial strip off action and artificial drawing-in motion provide the operating space; After breaking nip rolls into two with one's hands through two pairs respectively with the front end rigion of two self-adhesive films of artificial traction, moved to the other end of guide rail by carriage drive mechanism driving arm, drive two pairs and break nip rolls into two with one's hands and move, make every pair of clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls be reduced to 10～150MM.
Be more preferably, before the front end rigion of artificial two self-adhesive films of strip off, moved to the lower end of guide rail by carriage drive mechanism driving arm, making the clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls is 400～850MM, for artificial strip off action and artificial drawing-in motion provide the operating space; After breaking nip rolls into two with one's hands through two pairs respectively with the front end rigion of two self-adhesive films of artificial traction, moved to the upper end of guide rail by carriage drive mechanism driving arm, drive two pairs and break nip rolls into two with one's hands and move, make every pair of clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls be reduced to 10～150MM.
When two pairs break the upper end that nip rolls moves to guide rail into two with one's hands after, the angle that the line segment CD of the line segment AB of left side self-adhesive film running orbit process, the right self-adhesive film running orbit process forms between the two is 60 °～180 °.
The present invention has the following advantages and effect:
1, the present invention is provided with diaphragm traction nip rolls and two pairs of left and right are broken nip rolls into two with one's hands, and two pairs of left and right are broken nip rolls into two with one's hands can apply tractive force to two of left and right diaphragm respectively, and this two tractive force is constantly with the tack coat strip off of two self-adhesive films; And diaphragm traction nip rolls can make the burble point position of two self-adhesive films fix (burble point is fixed near two round roller point of contacts of diaphragm traction nip rolls), avoid the burble point position of two self-adhesive films unstable or break nip rolls into two with one's hands away from two pairs very much, so that the left and right two smooth strip ofves of diaphragm.Because the present invention has endlessly strip off ability automatically, the tack coat of annular self-adhesive film can be arranged on internal layer.
2, because the tack coat with annular self-adhesive film is arranged on internal layer, when so self-adhesive film moves in process of production, tack coat can not touch the parts surfaces such as steady bubble device, herringbone clamping plate, film pipe traction nip rolls, avoid self-adhesive film to draw nip rolls surface viscous and fold, fluctuation occur at steady bubble device, herringbone clamping plate, film pipe, and can not affect the viscosity of self-adhesive film finished product, can produce high-quality self-adhesive film product.
3, every couple of the present invention breaks nip rolls into two with one's hands and is respectively equipped with a support, and support is movably arranged on respectively on a guide rail.Like this, before the front end rigion left and right strip off of two self-adhesive films, the support that can make two pairs of left and right break nip rolls into two with one's hands is in an end (upper end) of guide rail, making the clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls is 400～850MM, so just provide enough broad operating space (if this operating space is too little for artificial strip off action and artificial drawing-in motion, for example clearance less than 400MM, is difficult to manually draw and the strip off action).
And the present invention is after breaking nip rolls into two with one's hands through two pairs respectively with the front end rigion of two self-adhesive films of artificial traction, the other end (lower end) that can driving arm moves to guide rail, driving two pairs breaks nip rolls into two with one's hands and moves, make every pair of clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls be reduced to 10～150MM, rather than remain on 400～850MM.So, the present invention in the course of the work, except the blink of front end rigion operation, when normal operation, break that between nip rolls and diaphragm traction nip rolls, distance can be very short into two with one's hands, therefore can be efficiently, the tractive force that will break in high proportion nip rolls into two with one's hands is delivered to the strip off point, and two diaphragms are broken into two with one's hands smoothly, and diaphragm stretcher strain amplitude is reduced in allowed band, guarantee that final finished is qualified.
the concrete reason of above-mentioned effect is as follows: because self-adhesive film is not rigid objects, the plastic elongation distortion easily occurs, and when the plastic elongation distortion occurs in it, can absorb, loss part tractive force, make the tractive force of breaking nip rolls into two with one's hands be delivered to the strip off point in 100% ground, so, if it is oversize apart from strip off point to break the nip rolls towing point into two with one's hands, for example both distances are greater than 400MM, the amplitude of plastic elongation distortion is just larger, absorb, the tractive force that loses is also larger, tractive force is severe along the diaphragm decay, this means that the active force that can be delivered to strip off point place is little, therefore be difficult to strip off smoothly forcefully, during strip off, diaphragm can be shaken, even sometimes, can not strip off, need artificial assistance, if want to strengthen the tractive force of breaking nip rolls into two with one's hands, easily make again diaphragm produce too large plastic elongation distortion near the position of breaking nip rolls into two with one's hands, so that the qualification rate of final products is low.
So the present invention is removable owing to breaking nip rolls into two with one's hands, the problems referred to above have been solved dexterously, both can provide sufficient operating space when just beginning, can make when normal production again and break into two with one's hands between nip rolls and diaphragm traction nip rolls apart from very short, so that the product when normally producing is qualified, strip off is smooth.
4, the track of left side self-adhesive film operation is through line segment AB, and the track of the right self-adhesive film operation is through line segment CD, and the angle that forms between line segment AB and line segment CD is 60 °～180 °, and two strip off tractive force angles are large, and strip off is stronger.
5, in production technology of the present invention, in the follow-up reforwarding row of self-adhesive film strip off process, tack coat contact be mainly the silica gel roller surface, and silica gel has not the character that sticks together with self-adhesive film, has guaranteed that the problems such as viscous, fold, viscosity reduction can not occur self-adhesive film.
Description of drawings
Fig. 1 is structure and the using method schematic diagram of a kind of specific embodiment of the present invention.
View when Fig. 2 is breaking nip rolls into two with one's hands and move to below in Fig. 1.
View when Fig. 3 is breaking nip rolls into two with one's hands and move to the top in Fig. 1.
Fig. 4 is the geometry site schematic diagram of a part of parts in Fig. 3.
The specific embodiment
Embodiment one
Fig. 1, Fig. 2, shown in Figure 3, this self-adhesion membrane blowing production equipment comprises head 41, herringbone clamping plate 42, film pipe traction nip rolls 6, dissect cutter 7, left and right two cover diaphragm spoolers 81, 82, wherein herringbone clamping plate 42 are positioned at head 41 tops, film pipe traction nip rolls 6 is positioned at herringbone clamping plate 42 tops, left and right two cover diaphragm spoolers 81, 82 are positioned at the below of dissecing cutter 7, also be provided with a pair of diaphragm traction nip rolls below dissecing cutter 7, above-mentioned diaphragm traction nip rolls comprises the first drive roll 11, the first driven voller 12, and the first drive roll 11, the first driven voller 12 is rubber roll, the first drive roll 11 is by the first motor-driven, going back left and right symmetrically below diaphragm traction nip rolls is furnished with two pairs and breaks nip rolls into two with one's hands, break nip rolls into two with one's hands about the plane β left-right symmetry in Fig. 4 for two pairs, the left side break diaphragm spooler 81 tops that nip rolls is positioned at the left side into two with one's hands, the right break diaphragm spooler 82 tops that nip rolls is positioned at the right into two with one's hands, break nip rolls into two with one's hands and comprise that the second drive roll 21, the second driven voller 22, the second drive rolls 21 and the second driven voller 22 are silica gel roller for above-mentioned every pair, and the second driven voller 22 is in the interior skew back below of the second drive roll 21, the second drive roll 21 is by the second motor-driven.So-called inboard, refer to that this plane of symmetry is positioned at two pairs of centres of breaking nip rolls into two with one's hands, i.e. plane β in Fig. 4 near two pairs of sides of breaking the plane of symmetry of nip rolls into two with one's hands.
Fig. 1, Fig. 2, shown in Figure 3 break nip rolls into two with one's hands for every pair and are respectively equipped with a support 31, and every pair of two rollers 21,22 and second motor of breaking nip rolls into two with one's hands is arranged on respectively on corresponding support 31, and each support 31 is arranged on respectively on inclined guide rails 32; Each support 31 also is provided with and drives its rack-and-pinion motion that moves along guide rail 32, and its middle rack 34 is fixedly connected with support 31, and gear 33 is driven by transmission mechanism; The upper end of guide rail 32 is near diaphragm traction nip rolls, and when support-moving arrived the upper end of guide rail, the clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls was 50MM; When support-moving arrived the lower end of guide rail, the clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls was 500MM.On the left side is broken into two with one's hands between nip rolls and left side diaphragm spooler 81 and also is provided with deflector roll 51, breaks into two with one's hands on the right between nip rolls and the right diaphragm spooler 82 and also is provided with deflector roll 52, and deflector roll 51, deflector roll 52 are silica gel roller.
Shown in Figure 3, when support-moving arrives the upper end of guide rail, from vertical cross-section, the left side roller 11 of diaphragm traction nip rolls and the left side are broken into two with one's hands in nip rolls has an outside common tangent AB between the silica gel roller 22 below skew back, the right roller 12 of diaphragm traction nip rolls and the right are broken into two with one's hands in nip rolls has an outside common tangent CD between the silica gel roller 22 below skew back, and the angle that forms between line segment AB and line segment CD is 130 °.The track line segment of left side diaphragm 91 operations when line segment AB is exactly normal operation in fact, the track line segment of the right diaphragm 92 operations when line segment CD is exactly normal operation in fact.
What is called is broken the clearance between nip rolls and diaphragm traction nip rolls into two with one's hands, also refers to draw the narrowest distance between nip rolls breaking nip rolls and diaphragm on vertical cross-section into two with one's hands, as the distance between 2 of EF in Fig. 4.
Above-mentioned line segment AB and line segment CD do not intersect, so the angle of two line segments refers to the angle of their extended lines.
Before the upper end of guide rail, diaphragm not yet can normally move at support-moving, but should the time very short; After support-moving arrives the upper end of guide rail, just enter normal operation.
Embodiment two
In this embodiment, when support-moving arrived the upper end of guide rail, the clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls was 10MM; And the angle that forms between line segment AB and line segment CD is 60 °.When support-moving arrived the lower end of guide rail, the clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls was 400MM.
In addition, in embodiment two, the first drive roll is metallic roll (left side roller), and the first driven voller is rubber rollers (the right roller).In every pair was broken into two with one's hands nip rolls, the second drive roll was metallic roll, and the second driven voller is silica gel roller, and silica gel roller is in the interior skew back below of metallic roll.
All the other are identical with embodiment one.
Embodiment three
In this embodiment, when support-moving arrived the upper end of guide rail, the clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls was 150MM; And the angle that forms between line segment AB and line segment CD is 178 °.When support-moving arrived the lower end of guide rail, the clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls was 850MM.
In addition, in embodiment three, the first drive roll is metallic roll (the right roller), and the first driven voller is rubber rollers (left side roller).The second drive roll and the second driven voller are silica gel roller, and wherein roller is in the interior skew back below of another root roller, and the roller that is in interior skew back below is the second drive roll, and the roller of outside oblique upper is the second driven voller.
All the other are identical with embodiment one.
Embodiment four
A kind of self-adhesion membrane blowing production method, adopt the self-adhesion membrane blowing production equipment of embodiment one, as Fig. 1, Fig. 2, shown in Figure 3, comprise the following steps: head 41 is constantly extruded the self-adhesive film film bubble of annular, and make tack coat be positioned at the internal layer of self-adhesive film film bubble, form annular self-adhesive film 93 after the process inflation, after annular self-adhesive film 93 flattens through herringbone clamping plate 42, tunicle pipe traction nip rolls 6 constantly traction is advanced, and the tack coat of annular self-adhesive film 93 internal layers faces one another and pastes together; Then make the operation of annular self-adhesive film through dissecing cutter 7, annular self-adhesive film 93 two ends, left and right of dissecing that cutter 7 will flatten are cut open respectively, and the self- adhesive film 91,92 of two sheets of formation is cut rear two self-adhesive films 91 open, 92 tack coat is still pasted together; Then make two self- adhesive films 91,92 of pasting together pass diaphragm traction nip rolls; After the front end rigion of two self-adhesive films has just passed diaphragm traction nip rolls, by artificial front end rigion left and right strip off with two self-adhesive films, and passed the nip rolls of breaking into two with one's hands on the left side by the front end rigion of a slice self-adhesive film 91 on the artificial traction left side, front end rigion by a slice self-adhesive film 92 on artificial traction the right passes the nip rolls of breaking into two with one's hands on the right, and the tack coat of two self-adhesive films in left and right is being reclined respectively break the silica gel roller 22 of skew back below in nip rolls into two with one's hands; Two self-adhesive films in left and right move respectively when breaking nip rolls into two with one's hands, the nip rolls of breaking into two with one's hands of the right and left applies tractive force to two of left and right diaphragm 91,92 respectively, this two tractive force continuous tack coat 91,92 strip ofves with two follow-up self-adhesive films, from vertical cross-section, the strip off point is near the outer point of contact of the first drive roll 11 and the first driven voller 12; Self-adhesive film 91 operation on the left side through the left side break nip rolls into two with one's hands after, operation is through deflector roll 51, and the diaphragm spooler 81 by the left side carries out rolling at last, and the operation of the self-adhesive film on the right through the right break nip rolls into two with one's hands after, operation is through deflector roll 52, and the diaphragm spooler 82 by the right carries out rolling at last.
In above-described embodiment, before artificial two self-adhesive films 91 of strip off, 92 front end rigion, drive by pinion and rack the lower end that left and right two stands 31 drops to respectively guide rail 32, making the clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls is 500MM, for artificial strip off action and artificial drawing-in motion provide the operating space, as shown in Figure 2; After breaking nip rolls into two with one's hands through two pairs respectively with the front end rigion of two self-adhesive films of artificial traction, moved to the upper end of guide rail by the pinion and rack driving arm, drive two pairs and break nip rolls into two with one's hands and move, make every pair of clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls be reduced to 50MM, as shown in Figure 3.
In embodiment four, behind the upper end of guide rail, the running orbit of left side self-adhesive film is through line segment AB when support-moving, and the running orbit of the right self-adhesive film is through line segment CD, and the angle that line segment AB and line segment CD form between the two is 130 °.
Embodiment five
In this embodiment five, adopt the self-adhesion membrane blowing production equipment of embodiment two.The method of embodiment five and embodiment four are basic identical, and just span is different.
Before the front end rigion of artificial two self-adhesive films of strip off, dropped to the lower end of guide rail by carriage drive mechanism driving arm, making the clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls is 400MM, for manually strip off action and artificial drawing-in motion provide the operating space; After breaking nip rolls into two with one's hands through two pairs respectively with the front end rigion of two self-adhesive films of artificial traction, risen to the upper end of guide rail by carriage drive mechanism driving arm, drive two pairs and break the nip rolls rising into two with one's hands, make every pair of clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls be reduced to 10MM.
In embodiment five, behind the upper end of guide rail, the running orbit of left side self-adhesive film is through line segment AB when support-moving, and the running orbit of the right self-adhesive film is through line segment CD, and the angle that line segment AB and line segment CD form between the two is 60 °
Embodiment six
In this embodiment six, adopt the self-adhesion membrane blowing production equipment of embodiment three.The method of embodiment six and embodiment four are basic identical, and just span is different.
Before the front end rigion of artificial two self-adhesive films of strip off, dropped to the lower end of guide rail by carriage drive mechanism driving arm, making the clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls is 850MM, for manually strip off action and artificial drawing-in motion provide the operating space; After breaking nip rolls into two with one's hands through two pairs respectively with the front end rigion of two self-adhesive films of artificial traction, risen to the upper end of guide rail by carriage drive mechanism driving arm, drive two pairs and break the nip rolls rising into two with one's hands, make every pair of clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls be reduced to 150MM.
In embodiment six, behind the upper end of guide rail, the running orbit of left side self-adhesive film is through line segment AB when support-moving, and the running orbit of the right self-adhesive film is through line segment CD, and the angle that line segment AB and line segment CD form between the two is 178 °.
In the various embodiments described above, carriage drive mechanism also can adopt other drives structure, as lead screw transmission mechanism, cylinder travel mechanism etc.
In the present invention, the film pipe draws nip rolls, diaphragm traction nip rolls, breaks nip rolls into two with one's hands is all nip rolls, and every pair of nip rolls all has a drive roll, a driven voller, and drive roll is by motor-driven.In every pair of nip rolls, it is rubber roll that a roller is arranged, and another root roller can be metallic roll or rubber roll.Why different the name of above-mentioned various nip rolls is, mainly because of them residing position and role difference, film pipe traction nip rolls is responsible for drawing the film pipe of not yet cutting open, diaphragm traction nip rolls is responsible for clamping and draw and has been cut open but still paste two diaphragms that are superimposed, and breaks nip rolls into two with one's hands for every pair and is responsible for drawing the monolithic diaphragm, produces strip off power.
Claims (6)
1. self-adhesion membrane blowing production equipment, comprise head, the herringbone clamping plate, film pipe traction nip rolls, dissect cutter, left and right two cover diaphragm spoolers, wherein the herringbone clamping plate are positioned at head upper, film pipe traction nip rolls is positioned at above the herringbone clamping plate, left and right two cover diaphragm spoolers are positioned at the below of dissecing cutter, it is characterized in that: also be provided with a pair of diaphragm traction nip rolls below dissecing cutter, going back left and right symmetrically below diaphragm traction nip rolls is furnished with two pairs and breaks nip rolls into two with one's hands, the left side break the diaphragm spooler top that nip rolls is positioned at the left side into two with one's hands, the right break the diaphragm spooler top that nip rolls is positioned at the right into two with one's hands, above-mentioned diaphragm traction nip rolls comprises the first drive roll, the first driven voller, and the first drive roll is by the first motor-driven, break nip rolls into two with one's hands and comprise the second drive roll, the second driven voller for above-mentioned every pair, wherein roller is positioned at the skew back below of another root roller, and this roller that is positioned at the skew back below is silica gel roller, and the second drive roll is by the second motor-driven, break nip rolls into two with one's hands for every pair and be respectively equipped with a support, every pair of two rollers and second motor of breaking nip rolls into two with one's hands is arranged on respectively on corresponding support, and each support is arranged on respectively on guide rail, each support also is connected with and drives it along carriage drive mechanism that guide rail moves, when support-moving arrived the upper end of guide rail, the clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls was 10～150MM, when support-moving arrived the lower end of guide rail, the clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls was 400～850MM, when support-moving arrives the upper end of guide rail, from vertical cross-section, the left side roller of diaphragm traction nip rolls and the left side are broken into two with one's hands in nip rolls has an outside common tangent AB between the silica gel roller below skew back, the right roller of diaphragm traction nip rolls and the right are broken into two with one's hands in nip rolls has an outside common tangent CD between the silica gel roller below skew back, and the angle that forms between line segment AB and line segment CD is 60 °～180 °.
2. self-adhesion membrane blowing production equipment according to claim 1 is characterized in that: described carriage drive mechanism is the rack-and-pinion motion, and its middle rack is fixedly connected with support.
3. self-adhesion membrane blowing production equipment according to claim 1, it is characterized in that: described guide rail is inclined guide rails.
4. self-adhesion membrane blowing production method, it is characterized in that adopting self-adhesion membrane blowing production equipment claimed in claim 1, comprise the following steps: head is constantly extruded the self-adhesive film film bubble of annular, and make tack coat be positioned at the internal layer of self-adhesive film film bubble, through forming annular self-adhesive film after inflation, after the annular self-adhesive film flattened through collapser, tunicle pipe traction nip rolls constantly traction was advanced, and the tack coat of annular self-adhesive film internal layer faces one another and pastes together; Make the operation of annular self-adhesive film through dissecing cutter, dissect the two ends, annular self-adhesive film left and right that cutter will flatten and cut open respectively, the self-adhesive film of two sheets of formation is cut the tack coat of rear two self-adhesive films open and is still pasted together; Make two self-adhesive films pasting together pass diaphragm traction nip rolls; After the front end rigion of two self-adhesive films has just passed diaphragm traction nip rolls, by artificial front end rigion left and right strip off with two self-adhesive films, and passed the nip rolls of breaking into two with one's hands on the left side by the front end rigion of a slice self-adhesive film on the artificial traction left side, front end rigion by a slice self-adhesive film on artificial traction the right passes the nip rolls of breaking into two with one's hands on the right, and the tack coat of two self-adhesive films in left and right is being reclined respectively break the silica gel roller of skew back below in nip rolls into two with one's hands; Two self-adhesive films in left and right move respectively when breaking nip rolls into two with one's hands, and the nip rolls of breaking into two with one's hands that the left and right is two pairs applies tractive force to two of left and right diaphragm respectively, and this two tractive force is constantly with the tack coat strip off of two follow-up self-adhesive films; The operation of the self-adhesive film on the left side through the left side break nip rolls into two with one's hands after, carry out rolling by the diaphragm spooler on the left side, and the operation of the self-adhesive film on the right through the right break nip rolls into two with one's hands after, carry out rolling by the diaphragm spooler on the right.
5. self-adhesion membrane blowing production method according to claim 4, it is characterized in that: before the front end rigion of artificial two self-adhesive films of strip off, moved to the lower end of guide rail by carriage drive mechanism driving arm, making the clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls is 400～850MM, for manually strip off action and artificial drawing-in motion provide the operating space; After breaking nip rolls into two with one's hands through two pairs respectively with the front end rigion of two self-adhesive films of artificial traction, moved to the upper end of guide rail by carriage drive mechanism driving arm, drive two pairs and break nip rolls into two with one's hands and move, make every pair of clearance of breaking into two with one's hands between nip rolls and diaphragm traction nip rolls be reduced to 10～150MM.
6. self-adhesion membrane blowing production method according to claim 4, it is characterized in that: when two pairs break the upper end that nip rolls moves to guide rail into two with one's hands after, the angle that the line segment CD of the line segment AB of left side self-adhesive film running orbit process, the right self-adhesive film running orbit process forms between the two is 60 °～180 °.
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| CN 201010246800 CN101941290B (en) | 2010-07-30 | 2010-07-30 | Self-adhesion membrane blowing production equipment and production method |
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| CN 201010246800 CN101941290B (en) | 2010-07-30 | 2010-07-30 | Self-adhesion membrane blowing production equipment and production method |
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| CN104129071A (en) * | 2014-07-07 | 2014-11-05 | 武汉新中德塑机股份有限公司 | Self-adhesive film production equipment |
| CN104476760A (en) * | 2014-12-09 | 2015-04-01 | 江苏申凯包装高新技术股份有限公司 | Film blowing device for ultralow-temperature polyethylene |
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| JP2786082B2 (en) * | 1993-08-10 | 1998-08-13 | 積水化学工業株式会社 | Automatic size change control system in inflation molding line |
| CN1055264C (en) * | 1997-10-09 | 2000-08-09 | 哈尔滨市罡昊塑料研究所 | Multiple layer co-extruded thermal shrinkage film producing machine set and technology for producing multiple layer co-extruded thermal shrinkage film (high isolation-resistant property) |
| CN101596783B (en) * | 2009-06-11 | 2011-07-27 | 瑞安市金达包装机械制造有限公司 | PVC film blowing machine |
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