CN113085153B - Preparation and processing method of biaxially oriented polyester film - Google Patents
Preparation and processing method of biaxially oriented polyester film Download PDFInfo
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- CN113085153B CN113085153B CN202110341987.3A CN202110341987A CN113085153B CN 113085153 B CN113085153 B CN 113085153B CN 202110341987 A CN202110341987 A CN 202110341987A CN 113085153 B CN113085153 B CN 113085153B
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- polyester film
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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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
- B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
- B29C55/16—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial simultaneously
- B29C55/165—Apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
- B29B13/023—Half-products, e.g. films, plates
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The invention relates to a biaxially oriented polyester film preparation processing method, which uses a biaxially oriented polyester film preparation processing device, and the biaxially oriented polyester film preparation processing device comprises a preparation box, a fixing mechanism, a biaxially oriented mechanism, a heating mechanism and a gear shifting mechanism.
Description
Technical Field
The invention relates to the technical field of polyester films, in particular to a preparation and processing method of a biaxially oriented polyester film.
Background
Biaxially oriented polyester film (BOPET for short) is prepared by using a gloss material (also called a large gloss material, namely a high-grade film prepared by drying, melting, extruding, casting and longitudinal and transverse stretching the raw material polyester slice with the titanium dioxide content of 0.1%, and has wide application), wherein the BOPET film has the characteristics of high strength, good rigidity, transparency, high glossiness and the like, is odorless, tasteless, colorless, nontoxic and outstanding in toughness, has the tensile strength which is 3 times that of a PC film and a nylon film, has the impact strength which is 3-5 times that of a BOPP film, has excellent wear resistance, folding resistance, pinhole resistance, tear resistance and the like, has extremely small heat shrinkage at 120 ℃, only shrinks by 1.25%, has excellent antistatic property, is easy to carry out vacuum aluminizing, can be coated with PVDC (polyvinyl DC), further has the advantages of high heat sealing property, barrier property, printing adhesive force, good heat resistance, excellent steaming resistance, low-temperature freezing resistance, good oil resistance, chemical resistance and the like, and most of the BOPET film except nitrobenzene, benzyl alcohol, has the chemical resistance, most of the BOPET is not enabled to be dissolved in water, but the BOPET has the water resistance, the BOPET is suitable for preparing the biaxially oriented polyester film has the high water resistance, but the biaxially oriented polyester film has the water resistance when the BOPET is processed, and the biaxially oriented polyester film has the high water resistance is suitable for high water resistance, and has the water resistance when the biaxially oriented polyester film is processed and has the problems:
1. when the common polyester film is biaxially stretched, the flaky polyester film is clamped and fixed and then is directly biaxially stretched, and the polyester film is shaped after being cooled, so that the phenomenon of directly breaking the polyester film is easily caused in the stretching process;
2. when stretching a polyester film, the degree of stretching is fixed in the conventional polyester film, and the phenomenon that the polyester film breaks due to the large stretching size when stretching a polyester film with small size is caused.
Disclosure of Invention
Technical scheme (one)
In order to achieve the above purpose, the invention adopts the following technical scheme that the biaxially oriented polyester film preparation and processing method uses a biaxially oriented polyester film preparation and processing device, the biaxially oriented polyester film preparation and processing device comprises a preparation box, a fixing mechanism, a biaxially oriented mechanism, a heating mechanism and a gear shifting mechanism, and the specific preparation and processing method when the biaxially oriented polyester film preparation and processing device is used for preparing and processing the biaxially oriented polyester film is as follows:
s1, clamping and fixing: placing the flaky polyester film into a clamping groove of a fixing plate, and driving a clamping plate to fix four edges of the flaky polyester film into the clamping groove by rotating a first screw;
s2, air supply heating: the polyester film on the fixed plate is heated by air supply through a heating structure;
s3, biaxial stretching: the electric cylinder pushes the connecting block to move upwards, so that the push rod pushes the four fixing plates to drive the polyester film to stretch around;
the preparation box is of a rectangular cavity structure with an upward opening, a fixing mechanism is arranged in the preparation box, a two-way stretching mechanism is arranged below the fixing mechanism, a heating mechanism is arranged on the outer end face of the preparation box, and a gear shifting mechanism is arranged on the two-way stretching mechanism;
the utility model provides a fixing mechanism including movable tank, spacing groove, sliding plate, spacing, fixed plate, draw-in groove, push down groove, cardboard, drive board, screw rod and rotor plate down, four outer terminal surfaces of preparation case all set up the movable tank from top to bottom symmetrically, the spacing groove has been seted up to the lower terminal surface of movable tank, be connected with the sliding plate through sliding fit's mode in the movable tank, the spacing is installed to the lower terminal surface of sliding plate, the spacing is located the spacing inslot, install the fixed plate on two upper and lower sliding plates, four fixed plates form a complete back font structure, the opposite face of fixed plate leaves from last equidistant down and is equipped with the draw-in groove, the draw-in groove has been seted up down symmetrically on the draw-in groove will go up lower draw-in groove intercommunication, be provided with the cardboard in the draw-in groove, the symmetrical drive board is installed on the cardboard, the drive board is located the push down groove, the screw rod has been threaded between the drive board, the upper end surface of preparation case is worn to establish the rotor plate, put the sheet-like polyester film into the draw-in groove of fixed plate, then drive the board through driving the rotation board and drive the board and drive down to move to drive the fixed plate and draw-in down the fixed plate, make the motion and draw-in down the fixed plate to move along the fixed plate, make the fixed plate and stretch down the fixed plate moves the fixed plate, make the motion along the fixed plate and stretch down.
The utility model provides a biaxially oriented mechanism include otic placode, catch bar, connecting block, ear seat, backup pad, button head limiting plate, reset spring, circular recess, electric cylinder and button head push rod, the lower terminal surface symmetry of fixed plate install the otic placode, install the catch bar through the hinge between the otic placode, the lower terminal surface of fixed plate is provided with the connecting block, the equal symmetry of four terminal surfaces of connecting block installs the ear seat, the lower extreme of catch bar articulates on the ear seat, the backup pad is all installed to four terminal surfaces of inner wall of preparation case, install button head limiting plate in the backup pad, the button head limiting plate is the hollow plate of upper and lower both ends button head, the catch bar runs through button head limiting plate, and the cover is equipped with reset spring between the upper end of catch bar and the button head limiting plate, circular recess has been seted up to the lower terminal surface of connecting block, electric cylinder is installed to the terminal surface under the inner wall of preparation case, install the button head push rod on electric cylinder's the catch bar, promote the connecting block upward movement through the catch bar, carry out biaxial stretching motion to the polyester film all around to the side by the catch bar, when the catch bar motion, the catch bar carries out the motion along the catch bar, the hollow plate of round head limiting plate, the action of catch bar to the button head limiting plate, the reset spring can's effect when the action is avoided, the reset spring is lower than normal, the catch bar can's effect is avoided to the reset spring to the end, the reset link is lower than the reset link, and the extension phenomenon can's can't be used.
As a preferred technical scheme of the invention, the heating mechanism comprises a return groove, a support plate, an air heater, an air inlet hole, a connecting hole, an air supply pipe, a rectangular groove and a blowing hole, wherein the return groove is formed in the preparation box, the air heater is arranged on the outer wall of the preparation box through the support plate, an air outlet of the air heater is communicated with the return groove through the air outlet pipe, the air inlet hole is formed in the return groove, the air inlet hole is communicated with the inner wall of the preparation box, the connecting hole is formed in the fixing plate, the connecting hole is connected with the air inlet hole through the air supply pipe, the air supply pipe is a retractable hollow pipe, the fixing plate is separated from the rectangular groove from top to bottom at equal intervals, the rectangular groove and the clamping groove are staggered, the connecting hole penetrates through the lower pressing groove and is communicated with the rectangular groove, the blowing hole is formed in the rectangular groove, the blowing hole is in matrix arrangement, hot air is supplied into the rectangular groove through the air heater, then enters between the air inlet hole and the fixing plate through the rectangular groove, and the polyester film fixed between the fixing plate is heated, so that the polyester film is effectively softened, the fixing plate is driven by the fixing plate to stretch the polyester film, the stretching effect of the polyester film is improved, and the stretching effect of the polyester film is prevented from being broken.
As a preferable technical scheme of the invention, the gear shifting mechanism comprises a telescopic plate, a hanging plate, a telescopic rod, a stop block, a step groove, a circular plate, a second screw rod and a circular rotating block, wherein the hanging plate is arranged between the left fixed plate and the right fixed plate through the telescopic plate, the stop block is arranged on the lower end surface of the hanging plate through the telescopic rod, the step groove is formed in the stop block, the circular plate is arranged in the step groove in a sliding fit mode, the second screw rod is arranged on the circular plate, the second screw rod is connected with the upper step of the step groove in a threaded fit mode, the circular rotating block is arranged on the second screw rod in a penetrating mode, the second screw rod is connected with the hanging plate through a bearing, and the second screw rod is driven to rotate through the circular rotating block, so that the stop block moves up and down, the height between the stop block and the connecting block is adjusted, the stretching degree of a polyester film is further adjusted, and the phenomenon that the polyester film is broken due to the fact that the stretching size of the polyester film is large is stretched when the polyester film is stretched is avoided.
As a preferable technical scheme of the invention, the fixing plate is connected with the inner wall of the preparation box through the extrusion spring, and the extrusion spring is convenient for resetting the fixing plate.
As a preferable technical scheme of the invention, the clamping plate is provided with the circular through holes which are arranged in a matrix, the circular through holes ensure that the clamping plate is not in a plane for compaction when the polyester film is clamped and fastened, a certain groove is reserved to ensure the clamping plate to fix the polyester film, so that the polyester film is effectively fixed, the polyester film is prevented from being separated from the clamping groove when the polyester film is stretched,
as a preferable technical scheme of the invention, the rotating plate and the round rotating block are provided with cross grooves, and the cross grooves are convenient for screwing the rotating plate and the round rotating block.
(II) advantageous effects
1. According to the invention, the polyester film fixed between the fixing plates is heated by the heating mechanism, so that the polyester film is effectively softened, the fixing plates are convenient to drive the polyester film to perform biaxial stretching movement, the stretching effect of the polyester film is improved, the phenomenon that the polyester film is broken when the polyester film is directly stretched is avoided, meanwhile, the stretching degree of the polyester film is adjusted by the gear shifting mechanism, and the phenomenon that the polyester film is broken due to larger stretching size when some small-size polyester films are stretched is avoided;
2. the round head limiting plate plays a role in guiding the pushing rod, so that the pushing rod can linearly push the fixed plate, the phenomenon of inclination generated when the pushing rod pushes the fixed plate is avoided, and the bidirectional stretching of the polyester film is facilitated;
3. according to the invention, the second screw rotates to enable the stop block to move up and down, so that the height between the stop block and the connecting block is adjusted, the stretching degree of the polyester film is further adjusted, and the phenomenon of stretch breaking of the polyester film is avoided.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a first perspective view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2A in accordance with the present invention;
FIG. 4 is a second perspective view of the present invention;
FIG. 5 is a front cross-sectional view of the present invention;
FIG. 6 is an enlarged view of a portion of the invention at B of FIG. 5;
fig. 7 is an enlarged view of a portion of fig. 5C in accordance with the present invention.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawing figures, but the invention can be practiced in a number of different ways, which are predefined and covered by the claims.
As shown in fig. 1 to 7, a biaxially oriented polyester film preparation processing method, which uses a biaxially oriented polyester film preparation processing device, the biaxially oriented polyester film preparation processing device includes a preparation box 1, a fixing mechanism 2, a biaxially oriented polyester film 3, a heating mechanism 4 and a gear shifting mechanism 5, and the specific preparation processing method when the biaxially oriented polyester film preparation processing device is used for preparing and processing biaxially oriented polyester films is as follows:
s1, clamping and fixing: the sheet-shaped polyester film is placed in the clamping groove 25 of the fixing plate 24, and the clamping plate 27 is driven by the first screw 29 to fix the four edges of the sheet-shaped polyester film in the clamping groove 25;
s2, air supply heating: the polyester film on the fixing plate 24 is subjected to air supply heating through the heating structure;
s3, biaxial stretching: the electric cylinder 38 pushes the connecting block 32 to move upwards, so that the push rod 31 pushes the four fixing plates 24 to drive the polyester film to stretch around;
the preparation box 1 is of a rectangular cavity structure with an upward opening, a fixing mechanism 2 is arranged in the preparation box 1, a two-way stretching mechanism 3 is arranged below the fixing mechanism 2, a heating mechanism 4 is arranged on the outer end face of the preparation box 1, and a gear shifting mechanism 5 is arranged on the two-way stretching mechanism 3;
the fixing mechanism 2 comprises a moving groove 20, a limiting groove 21, a sliding plate 22, a limiting bar 23, a fixing plate 24, a clamping groove 25, a pressing groove 26, a clamping plate 27, a driving plate 28, a first screw 29 and a rotating plate 2a, wherein the moving groove 20 is symmetrically arranged on four outer end surfaces of the preparation box 1, the limiting groove 21 is arranged on the lower end surface of the moving groove 20, the sliding plate 22 is connected in the moving groove 20 in a sliding fit manner, the limiting bar 23 is arranged on the lower end surface of the sliding plate 22, the limiting bar 23 is positioned in the limiting groove 21, the fixing plate 24 is arranged on the upper sliding plate 22 and the lower sliding plate 22, the four fixing plates 24 form a complete back-shaped structure, the opposite surfaces of the fixing plate 24 are separated from the clamping groove 25 from top to bottom at equal intervals, the pressing groove 26 is symmetrically arranged on the clamping groove 25, the pressing groove 26 is communicated with the upper clamping groove 25 and the lower clamping groove 25, the clamping plate 27 is arranged in the clamping groove 25, the driving plates 28 are symmetrically arranged on the clamping plate 27, the driving plates 28 are positioned in the pressing grooves 26, a first screw rod 29 is connected between the driving plates 28 in a threaded mode, the first screw rod 29 penetrates through the upper end face of the preparation box 1 and is provided with a rotating plate 2a, a sheet-shaped polyester film is placed in the clamping groove 25 of the fixing plate 24, then the driving plates 28 are driven to move downwards through screwing the rotating plate 2a, the driving plates 28 drive the clamping plate 27 to move downwards to clamp and fix the polyester film, the fixing plate 24 is driven to move around through the biaxial stretching mechanism 3, the fixing plate 24 pushes the sliding plate 22 to move along the moving groove 20, the fixing plate 24 is in a linear motion state, and meanwhile the limiting strips 23 move in the limiting grooves 21, so that the sliding plate 22 is prevented from being fully carried into the preparation box 1 when the fixing plate 24 is retracted.
The fixing plate 24 is connected with the inner wall of the preparation box 1 through a pressing spring 240, and the pressing spring 240 is convenient for resetting the fixing plate 24.
The clamping plate 27 is provided with circular through holes 270, the circular through holes 270 are arranged in a matrix, the circular through holes 270 ensure that the clamping plate 27 is not pressed on a plane when the polyester film is clamped and fastened, a certain groove is reserved to ensure the clamping plate 27 to fix the polyester film, so that the polyester film is effectively fixed, the polyester film is prevented from being separated from the clamping groove 25 when the polyester film is stretched,
the rotating plate 2a and the circular rotating block 57 are provided with cross grooves 570, and the cross grooves 570 facilitate screwing the rotating plate 2a and the circular rotating block 57.
The biaxially oriented mechanism 3 comprises an ear plate 30, a push rod 31, a connecting block 32, an ear seat 33, a supporting plate 34, a round head limiting plate 35, a reset spring 36, a circular groove 37, an electric cylinder 38 and a round head push rod 39, wherein the ear plate 30 is symmetrically arranged on the lower end face of the fixed plate 24, the ear plate 30 is hinged with the push rod 31 through a hinge shaft, the connecting block 32 is arranged on the lower end face of the fixed plate 24, the ear seat 33 is symmetrically arranged on the four end faces of the connecting block 32, the lower end of the push rod 31 is hinged on the ear seat 33, the supporting plate 34 is provided with the four end faces of the inner wall of the preparation box 1, the round head limiting plate 35 is a hollow plate with round heads at the upper end and the lower end, the push rod 31 penetrates through the round head limiting plate 35, the reset spring 36 is sleeved between the upper end of the push rod 31 and the round head limiting plate 35, the lower end face of the connecting block 32 is provided with the circular groove 37, the electric cylinder 38 is arranged on the lower end face of the inner wall of the preparation box 1, the round head push rod 39 is arranged on the moving rod of the electric cylinder 38, the push rod 38 pushes the round head push rod 32 through the electric cylinder 38, the upper end face of the electric cylinder 31, the round head 31 makes the round head 31 to move upwards, the round head 31 moves downwards to the round head limiting plate 31 when the connecting block 31, the polyester film 31 is pushed to move in a direction, the two-way, the polyester film 31 is prevented from moving in a direction, the two-way, the polyester film is stretched out of the round head 31, the round head 31 is moved in the direction, the upper end 31, and the round head 31 is made to move, the round head 31, and the round head 31 is made to move down on the upper end 31, and the round head 31, and the polyester film 31 is made to move and the upper 31, and the upper end 31, and the lower side and the lower end 31, and the lower side and the film, and the lower side and so move and so the film, and so the lower and so the film, and so the film and so as 2 and so the lower and so the film and so move. The failure of the connection block 32 to reset results in the next failure to use properly.
The heating mechanism 4 comprises a back-shaped groove 40, a support plate 41, an air heater 42, an air inlet 43, a connecting hole 44, an air supply pipe 45, a rectangular groove 46 and a blowing-up hole 47, wherein the back-shaped groove 40 is arranged on the preparation box 1, the air heater 42 is arranged on the outer wall of the preparation box 1 through the support plate 41, an air outlet of the air heater 42 is communicated with the back-shaped groove 40 through an air outlet pipe, the air inlet 43 is arranged on the back-shaped groove 40, the air inlet 43 is communicated with the inner wall of the preparation box 1, the connecting hole 44 is arranged on the fixing plate 24, the connecting hole 44 is connected with the air inlet 43 through the air supply pipe 45, the air supply pipe 45 is a retractable hollow pipe, the fixing plate 24 is equidistantly separated from the rectangular groove 46 from top to bottom, rectangular grooves 46 and clamping grooves 25 are arranged in a staggered manner, connecting holes 44 penetrate through the pressing grooves 26 and are communicated with the rectangular grooves 46, blowing holes 47 are formed in the rectangular grooves 46, the blowing holes 47 are arranged in a matrix manner, hot air is supplied to the interior of the return grooves 40 through the hot air blower 42, then enters the rectangular grooves 46 from the air inlet holes 43, the air supply pipes 45 and the connecting holes 44, and then enters between the fixing plates 24 through the rectangular grooves 46, so that polyester films fixed between the fixing plates 24 are heated, the polyester films are effectively softened, the fixing plates 24 are conveniently driven to perform biaxial stretching movement, the stretching effect of the polyester films is improved, and the phenomenon that the polyester films are broken when being directly stretched is avoided.
The gear shifting mechanism 5 comprises a telescopic plate 50, a hanging plate 51, a telescopic rod 52, a stop block 53, a stepped groove 54, a circular plate 55, a second screw rod 56 and a circular rotating block 57, wherein the hanging plate 51 is arranged between the left fixed plate 24 and the right fixed plate 24 through the telescopic plate 50, the stop block 53 is arranged on the lower end face of the hanging plate 51 through the telescopic rod 52, the stepped groove 54 is formed in the stop block 53, the circular plate 55 is arranged in the stepped groove 54 in a sliding fit mode, the second screw rod 56 is connected with the upper step of the stepped groove 54 in a threaded fit mode, the second screw rod 56 penetrates through the hanging plate 51 and is provided with the circular rotating block 57, the second screw rod 56 is connected with the hanging plate 51 through a bearing, and the circular rotating block 57 is used for driving the second screw rod 56 to rotate, so that the stop block 53 moves up and down, the height between the stop block 53 and the connecting block 32 is adjusted, and the stretching degree of a polyester film is prevented from being broken due to the fact that the stretching size is large when the polyester film is stretched.
In the specific work, firstly, a sheet-shaped polyester film is placed in a clamping groove 25 of a fixed plate 24, and then a driving plate 28 is driven to move downwards by screwing a rotating plate 2a, so that the driving plate 28 drives a clamping plate 27 to move downwards to clamp and fix the polyester film;
secondly, hot air is fed into the circular groove 40 through the hot air blower 42, then enters the rectangular groove 46 from the air inlet hole 43, the air feeding pipe 45 and the connecting hole 44, and then enters the space between the fixing plates 24 through the rectangular groove 46, so that the polyester film fixed between the fixing plates 24 is heated, and the polyester film is effectively softened;
third, the connecting block 32 is pushed to move upwards through the electric cylinder 38, the connecting block 32 pushes the fixed plate 24 to move around through the pushing rod 31 to perform biaxial stretching motion on the polyester film, when the pushing rod 31 moves, the pushing rod 31 moves along the round head limiting plate 35, the round head limiting plate 35 plays a role in guiding the pushing rod 31, the pushing rod 31 performs a linear pushing function on the fixed plate 24, and the phenomenon of inclination generated when the pushing rod 31 pushes is avoided.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The utility model provides a biaxially oriented polyester film preparation processing method, its has used a biaxially oriented polyester film preparation processingequipment, and this biaxially oriented polyester film preparation processingequipment includes preparation case (1), fixed establishment (2), biaxially oriented mechanism (3), heating mechanism (4) and gearshift (5), its characterized in that: the specific preparation and processing method for preparing and processing the biaxially oriented polyester film by adopting the biaxially oriented polyester film preparation and processing device is as follows:
s1, clamping and fixing: the sheet-shaped polyester film is placed into a clamping groove (25) of a fixing plate (24), and four edges of the sheet-shaped polyester film are fixed in the clamping groove (25) by driving a clamping plate (27) through rotating a first screw (29);
s2, air supply heating: the polyester film on the fixed plate (24) is heated by air supply through a heating structure;
s3, biaxial stretching: the electric cylinder (38) pushes the connecting block (32) to move upwards, so that the pushing rod (31) pushes the four fixing plates (24) to drive the polyester film to stretch around;
the preparation box (1) is of a rectangular cavity structure with an upward opening, a fixing mechanism (2) is arranged in the preparation box (1), a two-way stretching mechanism (3) is arranged below the fixing mechanism (2), a heating mechanism (4) is arranged on the outer end face of the preparation box (1), and a gear shifting mechanism (5) is arranged on the two-way stretching mechanism (3);
the fixing mechanism (2) comprises a moving groove (20), a limiting groove (21), a sliding plate (22), a limiting bar (23), a fixing plate (24), a clamping groove (25), a pressing groove (26), a clamping plate (27), a driving plate (28), a first screw (29) and a rotating plate (2 a), wherein the moving groove (20) is symmetrically arranged on the four outer end faces of the preparation box (1), the limiting groove (21) is arranged on the lower end face of the moving groove (20), the sliding plate (22) is connected in the moving groove (20) in a sliding fit mode, the limiting bar (23) is arranged on the lower end face of the sliding plate (22), the limiting bar (23) is positioned in the limiting groove (21), the fixing plate (24) is arranged on the upper sliding plate (22) and the lower sliding plate (22), the four fixing plates (24) form a complete reverse-shaped structure, the opposite faces of the fixing plate (24) are separated from the clamping groove (25) from the upper side to the lower side at equal distance, the clamping groove (25) is symmetrically arranged, the pressing groove (26) is downwards symmetrically arranged, the pressing groove (26) is used for connecting the upper clamping groove (25) and the lower clamping groove (25) in a sliding fit mode, the lower end face is provided with the limiting bar (25), the clamping plate (25) is arranged in the driving plate (28) in a threaded mode, the driving plate (28) is arranged in the clamping plate (28), the first screw (29) penetrates through the upper end face of the preparation box (1) and is provided with a rotating plate (2 a);
the bidirectional stretching mechanism (3) comprises an ear plate (30), a push rod (31), a connecting block (32), an ear seat (33), a supporting plate (34), a round head limiting plate (35), a return spring (36), a round groove (37), an electric cylinder (38) and a round head push rod (39), wherein the ear plate (30) is symmetrically arranged on the lower end face of the fixed plate (24), the push rod (31) is hinged between the ear plates (30) through a hinge shaft, the connecting block (32) is arranged on the lower end face of the fixed plate (24), the ear seat (33) is symmetrically arranged on the four end faces of the connecting block (32), the lower end of the push rod (31) is hinged on the ear seat (33), the supporting plate (34) is arranged on the four end faces of the inner wall of the preparation box (1), the round head limiting plate (35) is arranged on the supporting plate (34), the round head limiting plate (35) is a hollow plate with round heads at the upper end face and the lower end face, the push rod (31) penetrates through the round head limiting plate (35), the reset spring (36) is sleeved between the upper end face of the push rod (31) and the round head limiting plate (35), the electric cylinder (37) is arranged on the inner wall of the round head limiting plate (37), a round head push rod (39) is arranged on the moving rod of the electric cylinder (38);
the gear shifting mechanism (5) comprises a telescopic plate (50), a lifting plate (51), a telescopic rod (52), a stop block (53), a step groove (54), a circular plate (55), a second screw (56) and a circular rotating block (57), wherein the lifting plate (51) is arranged between the left fixed plate (24) and the right fixed plate through the telescopic plate (50), the stop block (53) is arranged on the lower end face of the lifting plate (51) through the telescopic rod (52), the step groove (54) is formed in the stop block (53), the circular plate (55) is arranged in the step groove (54) in a sliding fit mode, the second screw (56) is connected with the upper step of the step groove (54) through a threaded fit mode, the circular rotating block (57) is arranged between the second screw (56) in a penetrating mode of the lifting plate (51), and the second screw (56) is connected with the lifting plate (51) through a bearing.
2. The method for preparing and processing the biaxially oriented polyester film according to claim 1, wherein the method comprises the steps of: the heating mechanism (4) include back groove (40), mounting panel (41), air heater (42), inlet port (43), connecting hole (44), air pipe (45), rectangular channel (46) and blow hole (47), preparation case (1) on seted up back groove (40), air heater (42) are installed through mounting panel (41) to the outer wall of preparation case (1), the air outlet of air heater (42) communicates with back groove (40) through the air-out pipe, inlet port (43) have been seted up on back groove (40), inlet port (43) are linked together with preparation case (1) inner wall, connecting hole (44) have been seted up on fixed plate (24), be connected through air pipe (45) between connecting hole (44) and the inlet port (43), air pipe (45) are collapsible hollow tube, fixed plate (24) equidistance downwards leaves and is equipped with rectangular channel (46), rectangular channel (46) and draw-in groove (25) are crisscross to be arranged, connecting hole (44) run through down indent (26) and rectangular channel (46) intercommunication, rectangular channel (46) are arranged on top of blowing hole (47) and are arranged in a matrix.
3. The method for preparing and processing the biaxially oriented polyester film according to claim 1, wherein the method comprises the steps of: the fixing plate (24) is connected with the inner wall of the preparation box (1) through a compression spring (240).
4. The method for preparing and processing the biaxially oriented polyester film according to claim 1, wherein the method comprises the steps of: circular through holes (270) are formed in the clamping plates (27), and the circular through holes (270) are distributed in a matrix mode.
5. The method for preparing and processing the biaxially oriented polyester film according to claim 1, wherein the method comprises the steps of: the rotating plate (2 a) and the round rotating block (57) are provided with cross-shaped grooves (570).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110341987.3A CN113085153B (en) | 2021-03-30 | 2021-03-30 | Preparation and processing method of biaxially oriented polyester film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110341987.3A CN113085153B (en) | 2021-03-30 | 2021-03-30 | Preparation and processing method of biaxially oriented polyester film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113085153A CN113085153A (en) | 2021-07-09 |
| CN113085153B true CN113085153B (en) | 2023-04-25 |
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