CN116872418B - Sheet casting machine capable of preventing two sides of film from shrinking - Google Patents
Sheet casting machine capable of preventing two sides of film from shrinking Download PDFInfo
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- CN116872418B CN116872418B CN202311155903.2A CN202311155903A CN116872418B CN 116872418 B CN116872418 B CN 116872418B CN 202311155903 A CN202311155903 A CN 202311155903A CN 116872418 B CN116872418 B CN 116872418B
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- roller
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- fixed
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- 238000005266 casting Methods 0.000 title claims abstract description 22
- 238000001179 sorption measurement Methods 0.000 claims abstract description 24
- 238000000227 grinding Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 230000007246 mechanism Effects 0.000 claims description 34
- 238000010791 quenching Methods 0.000 claims description 34
- 230000000171 quenching effect Effects 0.000 claims description 33
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000009189 diving Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 238000001125 extrusion Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 17
- 238000005096 rolling process Methods 0.000 abstract description 9
- 230000003068 static effect Effects 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000004804 winding Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 235000003255 Carthamus tinctorius Nutrition 0.000 description 2
- 244000020518 Carthamus tinctorius Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012768 molten material Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/24—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length
- B29C41/26—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length by depositing flowable material on a rotating drum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0092—Drying moulded articles or half products, e.g. preforms, during or after moulding or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/46—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
Abstract
The invention discloses a sheet casting machine capable of preventing two sides of a film from being shrunk, relates to the field of film sheet casting machines, and belongs to the technical field of International patent Classification No. B29C. This prevent quiet mascerating machine that contracts in film both sides limit drives unreels seat, rolling seat rotation through the accent to the motor for the static area is in the level and puts the exit that is close to the die head, and when electrostatic generator during operation, the static area has the even discharge of grinding angle of one side, and the level downside of static area also can discharge, makes the static area can increase adsorption area when being in discharging, guarantees film raw materials and laminates at the chill roll outer wall with the mode of high stability when extruding, can improve the adsorption capacity of film edge and chill roll simultaneously, prevents that film both sides edge from producing the quiet phenomenon of contracting.
Description
Technical Field
The invention relates to the field of film casting machines, belongs to the technical field of International patent Classification No. B29C, and particularly relates to a film casting machine capable of preventing two sides of a film from being contracted.
Background
When the sheet casting machine is used for film production, the materials are required to be formed into a molten mass through an extruder, the film raw material of the molten mass is forced to pass through the long mouth film of the die head under the pushing of the pressure of a metering pump, and the molten mass is quickly attached to the surface of a quenching roller under the action of external force (static electricity, airflow and vacuum), so that the quenching roller cools and crystallizes the raw material to form a solid sheet. After the film is extruded, the film is closely attached to a quenching roller, so that uneven local cooling of the film caused by air mixing between the film and the roller is prevented, and further, the defect of product quality caused by unstable product quality is prevented.
The sheet casting machine adopts an electrostatic adsorption device for attaching sheets, is a common sheet attaching method applied to flat film stretching process production, and is particularly suitable for stretching processes for producing PET (polyester), PA (nylon) and other materials. The electrostatic adsorption device consists of a metal wire electrode, a high-voltage generator, a wire electrode crimping motor and the like; the electrode wire and the quenching roller are matched to ensure that the film is extruded and attached to the surface of the quenching roller, but the cross section of the electrode wire is smaller, the adsorption area of the film and the quenching roller is smaller in the electrostatic adsorption process, and the electrostatic adsorption capacity at the edge positions of the two sides of the film is poor, so that the two sides of the film are easy to generate a static shrinkage phenomenon when the film casting machine is used, and therefore, the film casting machine for preventing the two sides of the film from static shrinkage is provided.
Disclosure of Invention
The invention aims to provide a sheet casting machine for preventing two sides of a film from shrinking, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a sheet casting machine for preventing two sides of a film from shrinking comprises a water tank, a die head, a quenching roller, an electrostatic adsorption mechanism and a stripping mechanism, wherein the inner wall of the water tank is welded with a fixing frame, one side of the top of the fixing frame is provided with the die head for extruding molten materials, the lower side of the die head is provided with the quenching roller,
the central shaft of the quenching roller is simultaneously connected with the fixing frame and the inner wall of the water tank in a penetrating way, the inner wall of the water tank close to the quenching roller is provided with an electrostatic adsorption mechanism, the electrostatic adsorption mechanism consists of a reinforcing wall plate, an unreeling seat, a reeling seat, unreeling wheels, reeling wheels, an air cylinder, a traction frame, an anti-deflection roller, a sliding rail, an electrostatic belt, a driven gear, a direction-regulating motor and a driving gear, one side of the top of the fixing frame, which is far away from a die head, is provided with a stripping mechanism, the lower side of the inside of the water tank is provided with a diving roller, and one side of the top of the water tank, which is far away from the quenching roller, is provided with a guide roller;
the utility model discloses a water tank, including the outer wall of basin, the outer wall both sides of basin are installed and are transferred to the motor, the inner wall both sides of basin are provided with the driving gear with transfer to the motor output butt joint, the upside meshing of driving gear is connected with driven gear, two sets of driven gear's center pin is welded respectively on unreeling seat and rolling seat's lateral surface, unreel seat and rolling seat's one side all with consolidate the wallboard welding, driven gear's center pin is connected with the inner wall of basin through the bearing.
Preferably, an unreeling wheel is abutted to one side surface of the unreeling seat, a reeling wheel is abutted to one side surface of the reeling seat, and the unreeling wheel and the reeling wheel are respectively abutted to motors on the unreeling seat and the reeling seat.
Preferably, the outer edge of unreeling seat and rolling seat sets up with consolidate wallboard welded fixed disk, and installs the cylinder in the fixed disk, the output of cylinder is fixed with the traction frame, the removal groove has been seted up to one side of traction frame, unreel the surface of seat and rolling seat and all be fixed with the slide rail, and slide rail and the removal groove sliding connection of traction frame one side.
Preferably, the anti-deflection rollers are arranged on the surfaces of the two ends of the traction frame, one sides of the unreeling wheel and the reeling wheel are provided with driving rollers, electrostatic belts are wound on the unreeling wheel, the reeling wheel, the driving rollers and the anti-deflection rollers at the same time, and grinding angles of a V-shaped structure are arranged on the edges of the two sides of the electrostatic belts.
Preferably, the peeling mechanism comprises a roll-over stand, an auxiliary roller, a peeling roller, an adjusting port, a limiting column, a pushing spring and a fixing pin, wherein the roll-over stand is of a triangular structure, the upper corner and the middle corner of the roll-over stand are both connected with the auxiliary roller, the peeling roller is movably abutted to the lower corner of the roll-over stand, the peeling roller is used for peeling a film on the quenching roller, and the auxiliary roller at the middle corner of the roll-over stand is rotationally connected with a bearing on the surface of a fixing frame through a central shaft.
Preferably, the surface of the roll-over stand is provided with an arc-shaped adjusting port, one side, close to the adjusting port, of the roll-over stand is fixed with a limiting column, the limiting column is welded with one end of the pushing spring, the surface of the fixing frame is welded with a fixing pin penetrating and inserting the adjusting port, and the fixing pin and one end, far away from the limiting column, of the pushing spring are welded and fixed.
Preferably, a drainage mechanism and a guide seat are further arranged between the submerged roller and the guide roller, the drainage mechanism is located on the upper side of the submerged roller, and the guide seat is located on the upper side of the drainage mechanism.
Preferably, the drainage mechanism comprises a mounting frame, sliding grooves, a movable bearing seat, a fixed bearing seat, a tightening spring, a movable drainage roller and a fixed drainage roller, wherein the mounting frame is respectively fixed on two sides of the inner wall of the water tank, and one side of the mounting frame is provided with the sliding grooves.
Preferably, a movable bearing seat is slidably connected in the sliding groove, a fixed bearing seat is arranged on one side, close to the sliding groove, of the mounting frame, and a tightening spring is arranged between the movable bearing seat and the fixed bearing seat;
the movable drainage rollers are connected between the two movable bearing seats, the fixed drainage rollers are connected between the two fixed bearing seats, and the movable drainage rollers and the fixed drainage rollers are obliquely arranged.
Preferably, the middle part of the guide holder is provided with a horn-shaped channel penetrating through the film, the width of the top opening of the horn-shaped channel is larger than that of the bottom opening of the horn-shaped channel, and the upper side of the guide holder, which is close to the horn-shaped channel, and the lower side edge of the guide holder are provided with water-removing air knives.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the film casting machine capable of preventing the two sides of the film from being shrunk, the unwinding seat and the winding seat are driven to rotate by the direction-adjusting motor, so that the electrostatic belt is horizontally placed at the outlet close to the die head, when the electrostatic generator works, the electrostatic belt is uniformly discharged by the grinding angle at one side, and the horizontal lower side surface of the electrostatic belt is also discharged, so that the adsorption area of the electrostatic belt can be increased when the electrostatic belt is discharged, the film raw material is attached to the outer wall surface of the quenching roller in a high-stability mode when the film raw material is extruded, the adsorption capacity of the film edge and the quenching roller can be improved, and the shrinkage phenomenon of the edges at the two sides of the film is prevented;
2. according to the film casting machine for preventing the two sides of the film from being shrunk, as the electrostatic wires are matched with the quenching roller to drive the film to adsorb in the prior art, the two ends of the electrostatic wires are connected with the polytetrafluoroethylene tube component, when the electrostatic wires are electrically connected with the electrostatic generator, an electric safflower phenomenon is generated between the electrostatic wire electrode and the edge of the quenching roller, potential safety hazards can be generated when the film is produced, in order to solve the potential hazards, the driving gear and the driven gear are driven by the driving direction-adjusting motor to drive the driving gear and the driven gear to rotate, so that the driven gear drives the unreeling seat and the reeling seat to rotate, the horizontally placed electrostatic belt rotates by 135 degrees to an inclined state, the grinding angle at one side of the electrostatic belt is perpendicular to the joint position of the film raw material and the quenching roller, at the moment, the electrostatic belt forms a Z-shaped moving track through transformation, the electric safflower can be prevented from being generated between the electrostatic belt and the edge of the film, and the safety of cooling processing of the film on the quenching roller is ensured;
3. this prevent quiet mascerating machine of shrink in film both sides limit, when the film was walked around the dive roller and is upwards derived, the film can be conveyed between movable drain roller and fixed drain roller, tighten up through the traction of tightening up the spring, can press from both sides surface of film through the clamp of movable drain roller and fixed drain roller, when the film removes, prevent that film both sides from producing the shrink, because movable drain roller and fixed drain roller adopt the same angle to accomplish the slope setting, make movable drain roller and fixed drain roller roll in the film both sides can be with the absorptive ponding import of film surface in the basin, and then make the mascerating machine adopt the pressure that removes the water stain of water knife blow off film surface in the tail end can reduce the dewatering operation.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;
FIG. 2 is a schematic diagram of a front view cross-section structure of a fixing frame with an electrostatic belt turning angle;
FIG. 3 is a schematic view of a right-side cross-sectional structure of the present invention;
FIG. 4 is a right side view of the electrostatic chuck of the present invention;
FIG. 5 is a schematic view of the electrostatic belt of the present invention disposed on a chill roll;
FIG. 6 is a schematic view of a sectional front view of the winding seat of the present invention;
FIG. 7 is a schematic view of a horizontally placed film adsorbing structure of an electrostatic belt according to the present invention;
FIG. 8 is a schematic view of a film adsorption structure with an electrostatic belt in an inclined position according to the present invention;
FIG. 9 is a schematic diagram of a left-hand cross-sectional structure of the present invention;
fig. 10 is a schematic top view of a cross-sectional structure of the drainage mechanism of the present invention.
In the figure: 1. a water tank; 2. a fixing frame; 3. a die head; 4. a quench roll; 5. an electrostatic adsorption mechanism; 51. reinforcing the wall plate; 52. unreeling seat; 53. a rolling seat; 54. unreeling wheel; 55. a winding wheel; 56. a cylinder; 57. a traction frame; 58. an anti-deflection roller; 59. a slide rail; 510. an electrostatic belt; 511. a driven gear; 512. a direction-adjusting motor; 513. a drive gear; 6. a peeling mechanism; 61. a roll-over stand; 62. an auxiliary roller; 63. a peeling roller; 64. an adjustment port; 65. a limit column; 66. a pushing spring; 67. a fixing pin; 7. a submerged roller; 8. a guide roller; 9. a drainage mechanism; 91. a mounting frame; 92. a chute; 93. a movable bearing seat; 94. fixing a bearing seat; 95. tightening the spring; 96. a movable drain roller; 97. fixing a drainage roller; 10. a guide seat; 11. a water removal air knife.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a prevent quiet mascerating machine that contracts in film both sides limit, including basin 1, die head 3, chill roll 4, electrostatic adsorption mechanism 5 and peeling means 6, the inner wall welding of basin 1 has mount 2, the die head 3 of extruding the molten material is installed to one side at mount 2 top, the downside of die head 3 is provided with chill roll 4, the center pin of chill roll 4 runs through the inner wall of connection mount 2 and basin 1 simultaneously, basin 1 is close to chill roll 4's inner wall and is provided with electrostatic adsorption mechanism 5, electrostatic adsorption mechanism 5 is by reinforcing plate 51, unreeling seat 52, rolling seat 53, unreeling wheel 54, rolling wheel 55, cylinder 56, traction frame 57, anti-deflection roller 58, slide rail 59, electrostatic belt 510, driven gear 511, steering motor 512 and driving gear 513 constitute, one side that die head 3 was kept away from at the mount 2 top is provided with peeling means 6, the inside downside of basin 1 is provided with dive roller 7, guide roll 8 is installed to one side that chill roll 4 was kept away from at the basin 1 top.
In practice, a raw material for producing a film is extruded from an outlet of a die 3 into a sheet-like film material by an extruder, and the extruded raw material is adhered to the outside of a chill roll 4, and the raw material is cooled and shaped by the chill roll 4.
Referring to fig. 3, a direction-adjusting motor 512 is installed on two sides of an outer wall of the water tank 1, driving gears 513 are disposed on two sides of an inner wall of the water tank 1 and are in butt joint with output ends of the direction-adjusting motor 512, driven gears 511 are connected to upper sides of the driving gears 513 in a meshed manner, central shafts of the two groups of driven gears 511 are respectively welded on outer side surfaces of an unreeling seat 52 and a reeling seat 53, one sides of the unreeling seat 52 and the reeling seat 53 are welded with a reinforcing wall plate 51, and the central shafts of the driven gears 511 are connected with the inner wall of the water tank 1 through bearings.
In specific implementation, by starting two groups of direction-adjusting motors 512 which are symmetrically distributed, the direction-adjusting motor 512 can drive the driven gear 511 to rotate in the forward and reverse directions through the driving gear 513 at the output end, so that the placing posture of the electrostatic adsorption mechanism 5 between the die head 3 and the quenching roller 4 can be adjusted.
Referring to fig. 2, 3, 4 and 6, an unreeling wheel 54 is abutted to one side surface of an unreeling seat 52, a reeling wheel 55 is abutted to one side surface of a reeling seat 53, and the unreeling wheel 54 and the reeling wheel 55 are respectively abutted to motors on the unreeling seat 52 and the reeling seat 53; the outer edges of the unreeling seat 52 and the reeling seat 53 are provided with fixed discs welded with the reinforcing wall plate 51, an air cylinder 56 is arranged in each fixed disc, a traction frame 57 is fixed at the output end of each air cylinder 56, a movable groove is formed in one side of each traction frame 57, sliding rails 59 are fixed on the surfaces of the unreeling seat 52 and the reeling seat 53, the sliding rails 59 are in sliding connection with the movable grooves on one side of each traction frame 57, the sliding rails 59 are of a T-shaped structure, the sliding rails 59 are distributed in parallel with the air cylinders 56, and the traction frames 57 are obliquely arranged;
referring to fig. 3-8, the anti-bias roller 58 is mounted on two end surfaces of the traction frame 57, one sides of the unwinding wheel 54 and the winding wheel 55 are respectively provided with a driving roller, the unwinding wheel 54, the winding wheel 55, the driving rollers and the anti-bias roller 58 are simultaneously wound with the electrostatic belt 510, the edges of two sides of the electrostatic belt 510 are provided with grinding angles of a V-shaped structure, the unwinding wheel 54, the winding wheel 55, the driving rollers and the anti-bias roller 58 are all of an H-shaped structure, the grinding angles are of an acute angle structure of 60 degrees, the electrostatic belt 510 is of a flat sheet strip structure, and the electrostatic belt 510 is distributed in an isosceles trapezoid shape when bypassing the four anti-bias rollers 58 on the two groups of traction frames 57.
In specific implementation, an electrostatic generator is pre-installed at a designated position on the outer side of the water tank 1, and the quenching roller 4 and the electrostatic belt 510 are electrically connected with the electrostatic generator, so that the electrostatic generator generates 6-12kV direct current voltage, the electrostatic belt 510 and the quenching roller 4 are respectively changed into a negative electrode and a positive electrode, and motors on the unreeling seat 52 and the reeling seat 53 are started at the same time, so that the unreeling wheel 54 and the reeling wheel 55 can be driven to rotate at the same time, the unreeling wheel 54, the reeling wheel 55, the driving roller and the anti-deflection roller 58 drive the electrostatic belt 510 to move, the moving electrostatic belt 510 does not adsorb raw materials, extruded raw materials carry static charges with opposite polarities to the quenching roller 4 due to electrostatic induction in the high-voltage electrostatic field, and the fused film production raw materials are tightly adsorbed with the surface of the quenching roller 4 under the action of opposite attraction, the purposes of removing air and uniformly cooling film materials are achieved, and the molding quality of the film materials is ensured;
the driving gear 513 is driven to be meshed with the driven gear 511 for transmission by starting the direction-adjusting motor 512, so that the driven gear 511 drives the unreeling seat 52 and the reeling seat 53 to conduct angle adjustment, the unreeling seat 52 and the reeling seat 53 are guaranteed to rotate around the central shaft of the driven gear 511, and the electrostatic belt 510 between the two groups of traction frames 57 is adjusted to have two-angle placing states, and the electrostatic belt 510 at different placing angles has different discharging characteristics;
by starting the two groups of air cylinders 56 to drive the movable grooves on one side of the two groups of traction frames 57 to slide along the sliding rail 59 to approach or separate from each other, the length of the electrostatic belt 510 between the two groups of traction frames 57 is ensured to be increased under the condition that the tension degree of the electrostatic belt 510 is unchanged, otherwise, the length of the electrostatic belt 510 between the two groups of traction frames 57 can be reduced, and the method is convenient to be suitable for producing films with different widths;
because the unreeling seat 52 and the reeling seat 53 are respectively corresponding to the two side positions of the reinforced wallboard 51, when the unreeling seat 52 and the reeling seat 53 are driven by the turning motor 512 to rotate, the electrostatic belt 510 of the sheet strip-shaped structure is horizontally placed, the electrostatic belt 510 between the two anti-deflection rollers 58 is close to the outlet of the die head 3 through the grinding angle of one side, when the electrostatic generator works, the electrostatic belt 510 is uniformly discharged through the grinding angle of one side, and the horizontal lower side surface of the electrostatic belt 510 is also discharged, so that the adsorption area of the electrostatic belt 510 can be increased when the electrostatic belt 510 is discharged, the adsorption capacity of the film edge and the quenching roller 4 can be improved, and the electrostatic adsorption characteristic of the electrostatic belt 510 in the horizontally placed state can be prevented when the film raw material is extruded, and the high stability mode is ensured;
the driving gear 513 and the driven gear 511 are driven by the driving direction-adjusting motor 512 to be meshed and driven, the driven gear 511 drives the unreeling seat 52 and the reeling seat 53 to rotate, so that the horizontally placed electrostatic belt 510 rotates by 135 degrees, the grinding angle on one side of the electrostatic belt 510 is perpendicular to the bonding position of the film raw material and the quenching roller 4, because the traction frame 57 is obliquely arranged, the electrostatic belt 510 can be misplaced when the two anti-deflection rollers 58 of the same traction frame 57 are bypassed, the anti-deflection rollers 58 far away from the reinforcing wallboard 51 are positioned in the boundaries of two sides of the film, the anti-deflection rollers 58 close to the reinforcing wallboard 51 drive the electrostatic belt 510 to move towards the middle of the film, then the electrostatic belt 510 moves towards the outer side of the film from the anti-deflection rollers 58 close to the reinforcing wallboard 51, at this time, the electrostatic belt 510 forms a Z-shaped moving track through the position of changing, and the edge of the electrostatic belt 510 and the film can be prevented from generating electric red flowers, and at this time the electrostatic belt 510 cannot generate adsorption capacity with the edge of the film.
Referring to fig. 1 and 2, the peeling mechanism 6 includes a roll-over stand 61, an auxiliary roller 62, a peeling roller 63, an adjusting port 64, a limit post 65, a pushing spring 66 and a fixing pin 67, the roll-over stand 61 is in a triangle structure, the upper corner and the middle corner of the roll-over stand 61 are both connected with the auxiliary roller 62, the lower corner of the roll-over stand 61 is movably connected with the peeling roller 63, the peeling roller 63 is used for peeling a film on the quenching roller 4, and the auxiliary roller 62 at the middle corner of the roll-over stand 61 is rotatably connected with a bearing on the surface of the fixing frame 2 through a central shaft;
an arc-shaped adjusting opening 64 is formed in the surface of the roll-over stand 61, a limiting column 65 is fixed on one side, close to the adjusting opening 64, of the roll-over stand 61, one end of the limiting column 65 is welded with one end of the pushing spring 66, a fixing pin 67 penetrating and inserting the adjusting opening 64 is welded on the surface of the fixing frame 2, one end, far away from the limiting column 65, of the pushing spring 66 is fixed in a welded mode, and the circle center of the adjusting opening 64 coincides with the circle center of the auxiliary roller 62 at the corner of the middle of the roll-over stand 61.
In particular, when the film is peeled off along the peeling roller 63 at the bottom of the roll-over stand 61, the film can be guided by the auxiliary rollers 62 at the upper corner and the middle corner, and the limiting posts 65 and the fixing pins 67 at the two ends are pushed by the pushing springs 66, so that the roll-over stand 61 rotates around the central shaft of the auxiliary roller 62 at the middle corner, and the peeling roller 63 can be driven to be tightly attached to the outer side surface of the quenching roller 4, thereby ensuring that the film is prevented from loosening during conveying, and simultaneously ensuring the stability of the peeled film.
Referring to fig. 1, a drainage mechanism 9 and a guide seat 10 are further disposed between the submerged roller 7 and the guide roller 8, the drainage mechanism 9 is located at the upper side of the submerged roller 7, the guide seat 10 is located at the upper side of the drainage mechanism 9, and the drainage mechanism 9 located at the upper side of the submerged roller 7 can remove water from the film from which the cooling liquid is led out.
Referring to fig. 1, 9 and 10, the drainage mechanism 9 is composed of a mounting frame 91, a sliding groove 92, a movable bearing seat 93, a fixed bearing seat 94, a tightening spring 95, a movable drainage roller 96 and a fixed drainage roller 97, wherein the mounting frame 91 is respectively fixed on two sides of the inner wall of the water tank 1, and the sliding groove 92 is formed on one side of the mounting frame 91; the inside of the sliding groove 92 is connected with a movable bearing seat 93 in a sliding way, one side of the mounting frame 91, which is close to the sliding groove 92, is provided with a fixed bearing seat 94, and a tightening spring 95 is arranged between the movable bearing seat 93 and the fixed bearing seat 94; the movable drainage roller 96 is connected between the two movable bearing seats 93, the fixed drainage roller 97 is connected between the two fixed bearing seats 94, the movable drainage roller 96 and the fixed drainage roller 97 are obliquely arranged, the movable bearing seats 93 and the fixed bearing seats 94 are composed of flat positioning plates, bearings and shells outside the bearings, the flat positioning plates of the movable bearing seats 93 are in sliding connection with the sliding grooves 92, the flat positioning plates of the fixed bearing seats 94 are mounted on the mounting frame 91 through screws, and two ends of the tightening springs 95 are respectively welded and fixed on the shell surfaces of the movable bearing seats 93 and the shell surfaces of the fixed bearing seats 94.
When the film is led out upwards by bypassing the submerged roller 7, the film is conveyed between the movable drain roller 96 and the fixed drain roller 97, and because the movable bearing seat 93 and the fixed bearing seat 94 are pulled by the tightening spring 95, the movable drain roller 96 can slide along the sliding groove 92 to adjust the position, therefore, the film can be squeezed by the clamping of the movable drain roller 96 and the fixed drain roller 97 by the pulling of the tightening spring 95, when the film moves, the cooled film can be squeezed to remove water, and shrinkage is prevented at the two sides of the film, and because the movable drain roller 96 and the fixed drain roller 97 adopt the same angle to finish the inclined arrangement, the rolling of the movable drain roller 96 and the fixed drain roller 97 at the two sides of the film can lead the water stain on the surface of the film into the water tank 1 downwards in an inclined manner.
Referring to fig. 1, a flared passage penetrating through the film is formed in the middle of the guide seat 10, the top opening width of the flared passage is larger than the bottom opening width of the flared passage, and a water-removing knife 11 is mounted on the guide seat 10 near the upper side of the flared passage and the lower side edge of the guide seat 10.
During the concrete implementation, can upwards lead out from loudspeaker form passageway when the film is derived, when deriving, through two sets of dewatering air knives 11 on the guide holder 10, can carry out the jetting respectively to the both sides position of film and remove water, guarantee the film surface quick drying of derivation, because the film is walked around the submerged roller 7 and is upwards led out and form the V shape, the film inboard of this moment can produce ponding, through with one of them dewatering air knife 11 along loudspeaker form passageway downward blowing gas, because loudspeaker form passageway bottom opening width is less than loudspeaker form passageway's top opening width for spun gas concentrates downward flow, make spun gas more even strong, thereby can weather the film medial surface that has ponding fast.
In summary, the raw material for producing the film is extruded from the outlet of the die head 3 through the extruder, the extruded raw material is adhered to the outer side of the quenching roller 4, the raw material is cooled and shaped through the quenching roller 4, as a proper amount of cooling liquid is contained in the water tank 1, when the film is led into the lower side of the water tank 1, the film can be led out through the stripping mechanism 6 on the quenching roller 4, the film is led out by the guide roller 8 after bypassing the submersible roller 7 of the water tank 1, the film can be cooled and shaped for the third time through the guide of the submersible roller 7, accumulated water can be extruded through the water draining mechanism 9 after cooling and shaping, and residual water stains on the two side surfaces of the film can be removed through the two groups of water draining cutters 11, so that the film casting machine can be conveyed to the longitudinal stretching equipment for longitudinal stretching after the film is produced, and the content which is not described in detail in the description belongs to the prior art known by the person skilled in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (8)
1. The utility model provides a prevent quiet mascerating machine that contracts in film both sides limit, includes basin (1), die head (3), chill roll (4), electrostatic absorption mechanism (5) and peeling means (6), the inner wall welding of basin (1) has mount (2), die head (3) of extrusion melting material are installed to one side at mount (2) top, the downside of die head (3) is provided with chill roll (4), its characterized in that:
the center shaft of the quenching roller (4) is simultaneously connected with the fixing frame (2) and the inner wall of the water tank (1) in a penetrating way, the water tank (1) is close to the inner wall of the quenching roller (4) and is provided with an electrostatic adsorption mechanism (5), the electrostatic adsorption mechanism (5) consists of a reinforced wallboard (51), an unreeling seat (52), a reeling seat (53), an unreeling wheel (54), a reeling wheel (55), a cylinder (56), a traction frame (57), an anti-deflection roller (58), a sliding rail (59), an electrostatic belt (510), a driven gear (511), a direction-regulating motor (512) and a driving gear (513), one side, far away from the die head (3), of the top of the fixing frame (2) is provided with a stripping mechanism (6), the lower side of the inside of the water tank (1) is provided with a diving roller (7), and one side, far away from the quenching roller (4), of the top of the water tank (1) is provided with a guide roller (8);
the automatic water tank is characterized in that a direction-adjusting motor (512) is arranged on two sides of the outer wall of the water tank (1), driving gears (513) which are in butt joint with the output end of the direction-adjusting motor (512) are arranged on two sides of the inner wall of the water tank (1), driven gears (511) are connected to the upper sides of the driving gears (513) in a meshed mode, the central shafts of the two groups of driven gears (511) are respectively welded on the outer side surfaces of an unreeling seat (52) and a reeling seat (53), one side of the unreeling seat (52) and one side of the reeling seat (53) are welded with a reinforcing wallboard (51), and the central shaft of each driven gear (511) is connected with the inner wall of the water tank (1) through a bearing;
the outer edges of the unreeling seat (52) and the reeling seat (53) are provided with a fixed disc welded with the reinforcing wallboard (51), an air cylinder (56) is arranged in the fixed disc, the output end of the air cylinder (56) is fixed with a traction frame (57), one side of the traction frame (57) is provided with a movable groove, the surfaces of the unreeling seat (52) and the reeling seat (53) are both fixed with a sliding rail (59), and the sliding rail (59) is in sliding connection with the movable groove on one side of the traction frame (57);
the anti-deflection device is characterized in that anti-deflection rollers (58) are mounted on the surfaces of the two ends of the traction frame (57), driving rollers are arranged on one sides of the unreeling wheel (54) and the reeling wheel (55), electrostatic belts (510) are wound on the unreeling wheel (54), the reeling wheel (55), the driving rollers and the anti-deflection rollers (58) simultaneously, and grinding angles of V-shaped structures are arranged on the edges of the two sides of the electrostatic belts (510).
2. A sheet casting machine for preventing shrinkage of two sides of a film as defined in claim 1, wherein: unreeling wheel (54) is docked to one side surface of unreeling seat (52), reeling wheel (55) is docked to one side surface of reeling seat (53), unreeling wheel (54) and reeling wheel (55) dock with motor on unreeling seat (52) and reeling seat (53) respectively.
3. A sheet casting machine for preventing shrinkage of two sides of a film as defined in claim 1, wherein: peeling means (6) are including roll-over stand (61), auxiliary roller (62), peel off roller (63), regulating gate (64), spacing post (65), ejector spring (66) and fixed pin (67), roll-over stand (61) are triangle-shaped structure, and upper portion turning and the middle part turning of roll-over stand (61) all are connected with auxiliary roller (62), the lower part turning activity butt joint of roll-over stand (61) has peel off roller (63), and peel off roller (63) are used for peeling off film on chill roll (4), auxiliary roller (62) in roll-over stand (61) middle part turning carries out swivelling joint through the bearing on center pin and mount (2) surface.
4. A sheet casting machine for preventing shrinkage of two sides of a film as set forth in claim 3, wherein: the utility model discloses a roll-over stand, including support, fixed frame (67), arc regulation mouth (64) have been seted up on the surface of roll-over stand (61), one side that roll-over stand (61) is close to regulation mouth (64) is fixed with spacing post (65), spacing post (65) welds with the one end of pushing away from spring (66), the surface welding of mount (2) has fixed pin (67) that runs through the grafting with regulation mouth (64), fixed pin (67) and pushing away from the one end welded fastening of spacing post (65) with pushing away from spring (66).
5. A sheet casting machine for preventing shrinkage of two sides of a film as defined in claim 1, wherein: a drainage mechanism (9) and a guide seat (10) are further arranged between the submerged roller (7) and the guide roller (8), the drainage mechanism (9) is located on the upper side of the submerged roller (7), and the guide seat (10) is located on the upper side of the drainage mechanism (9).
6. A sheet casting machine for preventing shrinkage of two sides of a film as defined in claim 5, wherein: the drainage mechanism (9) comprises a mounting frame (91), sliding grooves (92), a movable bearing seat (93), a fixed bearing seat (94), a tightening spring (95), a movable drainage roller (96) and a fixed drainage roller (97), wherein the mounting frame (91) is respectively fixed on two sides of the inner wall of the water tank (1), and the sliding grooves (92) are formed in one side of the mounting frame (91).
7. A sheet casting machine for preventing shrinkage of two sides of a film as defined in claim 6, wherein: the inside of the sliding groove (92) is connected with a movable bearing seat (93) in a sliding way, one side, close to the sliding groove (92), of the mounting frame (91) is provided with a fixed bearing seat (94), and a tightening spring (95) is arranged between the movable bearing seat (93) and the fixed bearing seat (94);
a movable drainage roller (96) is connected between the two movable bearing seats (93), a fixed drainage roller (97) is connected between the two fixed bearing seats (94), and the movable drainage roller (96) and the fixed drainage roller (97) are both obliquely arranged.
8. A sheet casting machine for preventing shrinkage of two sides of a film as defined in claim 5, wherein: the middle part of guide holder (10) has seted up the tubaeform passageway that runs through the film, and tubaeform passageway's top opening width is greater than tubaeform passageway's bottom opening width, guide holder (10) are close to tubaeform passageway's upside and guide holder (10) downside edge all installs except that water vapor knife (11).
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| CN202311155903.2A CN116872418B (en) | 2023-09-08 | 2023-09-08 | Sheet casting machine capable of preventing two sides of film from shrinking |
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| CN202311155903.2A CN116872418B (en) | 2023-09-08 | 2023-09-08 | Sheet casting machine capable of preventing two sides of film from shrinking |
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