CN113021935A - Preparation process of polyester film material - Google Patents
Preparation process of polyester film material Download PDFInfo
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- CN113021935A CN113021935A CN202110289317.1A CN202110289317A CN113021935A CN 113021935 A CN113021935 A CN 113021935A CN 202110289317 A CN202110289317 A CN 202110289317A CN 113021935 A CN113021935 A CN 113021935A
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- Prior art keywords
- roller
- plate
- shaft
- polyester film
- support frame
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
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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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/02—Deburring or deflashing
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0011—Combinations of extrusion moulding with other shaping operations combined with compression moulding
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/28—Storing of extruded material, e.g. by winding up or stacking
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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 preparation process of a polyester film material, which uses a polyester film material preparation device, wherein the polyester film material preparation device comprises a support frame, a thickness-fixing rolling mechanism, a tensioning mechanism, a stretching mechanism, a cutting mechanism and a winding mechanism.
Description
Technical Field
The invention relates to the technical field of preparation of polyester film materials, in particular to a preparation process of a polyester film material.
Background
The polyester film (PET) is a film material which is prepared by taking polyethylene glycol terephthalate as a raw material, adopting an extrusion method to prepare a thick sheet and then stretching the thick sheet, and printing packaging consumables such as polyester films, environment-friendly films, PET films, opal films and the like are widely used in the glass fiber reinforced plastic industry, the building material industry and the printing industry, in medical hygiene, the polyester film is usually a colorless, transparent and glossy film (which can be colored by adding additive particles), has excellent mechanical properties, high rigidity, hardness and toughness, puncture resistance, friction resistance, high temperature and low temperature resistance, and good chemical resistance, oil resistance, air tightness and aroma retention, is one of the commonly used base materials of the barrier composite film, is more and more favored by consumers due to excellent comprehensive properties, is made into a thick sheet by an extrusion method, but the following problems occur in the process of preparing the polyester film material by pressing a roller after extrusion:
1. in the common production process of the polyester film material, when the polyester films with different thicknesses are produced, the polyester films need to be disassembled and then are installed in an adjustable distance mode, so that the work flow is complicated, and meanwhile, the production efficiency of the polyester films is reduced;
2. the polyester film after being pressed into sheets is flaky, but the two sides of the polyester film have redundant irregular excess materials, and the polyester film is directly wound into a roll, and the redundant parts on the two sides of the polyester film are easy to cause the unattractive phenomenon of the rolled polyester film roll.
Disclosure of Invention
Technical scheme (I)
In order to achieve the above object, the present invention adopts the following technical scheme, wherein a polyester film material preparation process uses a polyester film material preparation device, the polyester film material preparation device comprises a support frame, a thickness-fixing rolling mechanism, a tensioning mechanism, a stretching mechanism, a cutting mechanism and a winding mechanism, and the polyester film material preparation process using the polyester film material preparation device is as follows:
s1, melt extrusion: melting plastic particles and then extruding;
s2, adjusting rolling pressure: the second compression roller is driven by the hydraulic cylinder to move upwards to be close to the driving roller, and meanwhile, the push plate moves upwards in the arc-shaped groove, so that the first compression roller is close to the driving roller under the action of the extrusion spring rod, the distance between the driving roller and the first compression roller and the distance between the driving roller and the second compression roller are adjusted, and the thickness of the polyester film pressing sheet are adjusted;
s3, pressing and stretching: stretching the produced polyester film through a stretching mechanism;
s4, edge cutting: cutting the redundant parts at the front side and the rear side of the stretched and conveyed polyester film through a cutting mechanism;
s5, winding into a roll: winding and molding the produced polyester film material through a winding mechanism;
the supporting frames are symmetrically arranged front and back, a constant-thickness rolling mechanism, a stretching mechanism, a cutting mechanism and a winding mechanism are arranged between the supporting frames at equal intervals from left to right, and a tensioning mechanism is arranged on the rear end face of each supporting frame;
the fixed-thickness rolling mechanism comprises an L-shaped plate, a stepped groove, a T-shaped plate, a driving plate, an extrusion spring rod, a roller shaft, a pressing roller, a driving shaft, a driving roller, a hydraulic cylinder, a connecting plate, a second roller shaft, a second pressing roller, an arc-shaped groove, a pushing plate, a motor and a belt, wherein the opposite surface of the supporting frame is provided with the L-shaped plate, the stepped groove is formed in the horizontal section of the L-shaped plate, the T-shaped plate is connected in the stepped groove in a sliding fit manner, the driving plate is arranged on the upper end surface of the T-shaped plate, the driving plate is connected with the vertical section of the L-shaped plate through the extrusion spring rod, the first ear plate is symmetrically arranged in front and back of the upper end surface of the driving plate, the first roller shaft is arranged between the first ear plates through a bearing, the first pressing roller shaft is sleeved with the first pressing roller, the driving shaft, the driving roller is positioned on the right side of the first pressing roller, a hydraulic cylinder is arranged between the supporting frames, a connecting plate is installed on a moving rod of the hydraulic cylinder, a second ear plate is symmetrically installed in front of and behind the upper end face of the connecting plate, a second roller shaft is installed between the second ear plate through a bearing, a second pressing roller is sleeved on the second roller shaft, an arc-shaped groove is formed in the right end face of the driving plate, a push plate is installed on the left end face of the connecting plate, the push plate is connected with the arc-shaped groove in a sliding fit mode, a first motor is installed on the second ear plate through a rack, the second roller shaft penetrates through the second ear plate and is connected with an output shaft of the first motor, connecting grooves are formed in the left side and the right side of the supporting frames, the first roller shaft is connected with the second roller shaft through a belt in a transmission mode, the connecting plate is driven to move upwards through, the push plate slides along the arc-shaped groove, so that the extrusion spring rod pushes the driving plate to move leftwards, the driving plate drives the first compression roller to approach the driving roller, the distance between the driving roller and the first compression roller and the distance between the driving roller and the second compression roller are adjusted, the polyester film materials with different thicknesses can be produced, the distance between the first compression roller and the driving roller is synchronously adjusted while the distance between the second compression roller and the driving roller is adjusted, the distance between the first compression roller and the driving roller is always larger than the distance between the second compression roller and the driving roller, the polyester material extruded after plastic particles are melted between the first compression roller and the driving roller is firstly tableted and molded, then the second compression roller and the driving roller are used for carrying out secondary compression on the tableted polyester film to the adjusted thickness, the production with different thicknesses is realized, and the production of the polyester films with different thicknesses is avoided, the complex phenomenon that the polyester film is required to be disassembled and then is subjected to distance adjustment and installation is further avoided, and the production efficiency of the polyester film is further improved.
Straining device include backup pad, supporting spring pole, Contraband template, tensioning axle and tensioning roller, the rear end face of support frame install the backup pad, the backup pad is the slope installation, and the incline direction is unanimous with the belt, install the Contraband template through supporting spring pole in the backup pad, the tensioning axle is installed through the bearing to the opposite face of Contraband template, the last cover of tensioning axle is equipped with the tensioning roller, the tensioning roller offsets tightly with the belt, supporting spring pole promotes the tensioning roller all the time through the Contraband template and offsets tightly with the belt to the tensioning effect of belt is realized, the belt lax leads to unable normal driven phenomenon between avoiding the distance between a roller and No. two rollers to change.
As a preferred technical scheme of the invention, the stretching mechanism comprises a first guide shaft, a second guide shaft, a support, a reset spring rod, a support block, a pushing shaft, a stretching roller, a guide plate, a lower pressing shaft and a cam, wherein the first guide shaft is arranged on the opposite surface of the support frame, the first guide shaft is positioned on the right side of the second pressing roller, the second guide shaft is symmetrically arranged on the opposite surface of the support frame in the left-right direction, the support frame is arranged on the opposite surface of the support frame, the support block is arranged on the lower end surface of the support frame through the reset spring rod, the pushing shaft is arranged between the support blocks, the stretching roller is sleeved on the pushing shaft and positioned between the second guide shafts, the guide plate is arranged between the support frames, a moving through groove is arranged on the guide plate, the lower pressing plate is arranged on the stretching roller, the lower pressing plate penetrates through the moving through groove, the upper, the cam is symmetrically sleeved on the lower pressing shaft in the front and back direction, the cam is located right above the lower pressing shaft, the lower pressing shaft rotates to drive the cam to rotate, the cam pushes the lower pressing plate to move downwards, the lower pressing plate pushes the stretching roller to move downwards to stretch the polyester film between the two guide shafts, then the stretching roller drives the lower pressing plate to reset under the action of the reset spring rod, the reciprocating pushing stretching roller stretches the polyester film, the toughness of the polyester film is improved, and the phenomenon that the toughness of the produced polyester film is poor is avoided.
As a preferred technical scheme of the invention, the cutting mechanism comprises a conveying shaft, gears, conveying rollers, an annular groove, an annular cutter and a material guide shaft, wherein the conveying shaft is arranged on the opposite surface of the support frame through a bearing, the four conveying shafts are arranged in a matrix manner, the conveying shaft is positioned on the right side of the first guide shaft, the conveying shaft penetrates through the support frame, the upper conveying shaft and the lower conveying shaft are sleeved with meshed gears, the conveying shaft is sleeved with the conveying roller, the annular groove is symmetrically arranged on the front and back of the conveying roller below the left side, the annular cutter is symmetrically sleeved on the front and back of the conveying roller above the left side, the material guide shaft is symmetrically arranged on the opposite surface of the support frame, the material guide shaft is positioned on the front and back sides of the conveying roller below the left side, the gears drive the conveying shafts to carry out meshing transmission, so that, the guide shaft guides the cut excess materials, the excess materials are prevented from being wound on the conveying shaft to cause the conveying shaft to be incapable of working, the excess materials on two sides of the polyester film are cut off, and the phenomenon that the excess parts on two sides of the polyester film cause unattractive appearance when the polyester film is produced, formed and wound into a roll is avoided.
As a preferred technical scheme of the invention, the winding mechanism comprises an L-shaped stepped groove, a limiting plate, a vertical plate, a winding shaft, a second motor and a chain, wherein the support frame is provided with an L-shaped groove, the L-shaped stepped groove is formed in the L-shaped stepped groove, the limiting plate is arranged in the L-shaped stepped groove, the vertical plate is arranged on the limiting plate, the vertical plate is provided with an arc-shaped groove, the winding shaft is arranged between the arc-shaped groove and the support frame, the winding shaft is rotatably connected with the support frame through a bearing, the second motor is arranged on the rear end surface of the support frame through a rack, the winding shaft penetrates through the support frame and is connected with an output shaft of the second motor, the driving shaft, the pressing shaft and two upper conveying shafts are respectively sleeved with a chain wheel through the support frame, the chain wheels are in transmission connection through the chain, the winding shaft is driven, when the coiled polyester film needs to be taken down, the vertical plate is pulled to move along the L-shaped stepped groove, so that the polyester film on the winding shaft can be conveniently taken down.
As a preferable technical scheme of the invention, the front end face of the support frame is provided with a push-pull groove, a material receiving box is arranged below the conveying shaft, the front end face of the material receiving box is provided with an Contraband-type pulling plate, the Contraband-type pulling plate is positioned in the push-pull groove, and the material receiving box collects the cut excess materials.
As a preferable technical scheme of the invention, a blanking cylinder is arranged between the supporting frames through a mounting plate, the blanking cylinder is positioned above the driving roller, and after being melted, plastic particles are extruded from the blanking cylinder and fall between the driving roller and the first pressing roller.
(II) advantageous effects
1. The thickness-fixed rolling mechanism can adjust the distance between the first pressing roller and the driving roller and between the first pressing roller and the second pressing roller, so that production with different thicknesses is realized, the complicated phenomenon that when polyester films with different thicknesses need to be produced, the polyester films need to be disassembled and then subjected to distance adjustment and installation is avoided, the production efficiency of the polyester films is further improved, meanwhile, the cutting mechanism is adopted to cut off redundant excess materials on two sides of the polyester films, and the phenomenon of unattractive appearance caused by redundant parts on two sides of the polyester films during production molding and winding into rolls is avoided;
2. according to the invention, the polyester material extruded after plastic particles are melted is firstly tabletted and formed between the first compression roller and the driving roller, and then the tabletted polyester film is tabletted again by the second compression roller and the driving roller to be adjusted in thickness, so that production with different thicknesses is realized, and the phenomena of complexity and low efficiency of the traditional dismounting and distance adjusting method are avoided;
3. the tensioning roller always abuts against the belt, so that the phenomenon that the belt cannot normally drive when the distance between the first roller shaft and the second roller shaft is changed is avoided.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic view of a first perspective structure of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 in accordance with the present invention;
FIG. 4 is a second perspective view of the present invention;
FIG. 5 is an enlarged view of a portion of the invention at B of FIG. 4;
FIG. 6 is an enlarged view of a portion of the invention at C of FIG. 4;
fig. 7 is a front sectional view of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
As shown in fig. 1 to 7, a process for preparing a mylar material uses a mylar material preparation device, which includes a support frame 1, a thickness-fixing rolling mechanism 2, a tensioning mechanism 3, a stretching mechanism 4, a cutting mechanism 5 and a winding mechanism 6, and the specific preparation process when the mylar material preparation device is used for preparing the mylar material is as follows:
s1, melt extrusion: melting plastic particles and then extruding;
s2, adjusting rolling pressure: the second pressing roller 2c is driven by the hydraulic cylinder 29 to move upwards to be close to the driving roller 28, and meanwhile, the pushing plate 2e moves upwards in the arc-shaped groove 2d, so that the first pressing roller 26 is close to the driving roller 28 under the action of the extrusion spring rod 24, the distance between the driving roller 28 and the first pressing roller 26 and the distance between the driving roller 2e and the second pressing roller 2c are adjusted, and the thickness of the polyester film tabletting is adjusted;
s3, pressing and stretching: stretching the produced polyester film by a stretching mechanism 4;
s4, edge cutting: cutting the redundant parts at the front side and the rear side of the stretched and conveyed polyester film by a cutting mechanism 5;
s5, winding into a roll: the produced polyester film material is rolled and formed through a winding mechanism 6;
the supporting frames 1 are symmetrically arranged front and back, the constant-thickness rolling mechanism 2, the stretching mechanism 4, the cutting mechanism 5 and the winding mechanism 6 are arranged between the supporting frames 1 at equal intervals from left to right, and the tensioning mechanism 3 is arranged on the rear end face of each supporting frame 1;
the fixed-thickness rolling mechanism 2 comprises an L-shaped plate 20, a stepped groove 21, a T-shaped plate 22, a driving plate 23, an extrusion spring rod 24, a roller shaft 25, a pressing roller 26, a driving shaft 27, a driving roller 28, a hydraulic cylinder 29, a connecting plate 2a, a second roller shaft 2b, a second pressing roller 2c, an arc-shaped groove 2d, a pushing plate 2e, a motor 2f and a belt 2g, the opposite surface of the support frame 1 is provided with the L-shaped plate 20, the horizontal section of the L-shaped plate 20 is provided with the stepped groove 21, the T-shaped plate 22 is connected in the stepped groove 21 in a sliding fit mode, the upper end surface of the T-shaped plate 22 is provided with the driving plate 23, the driving plate 23 is connected with the vertical section of the L-shaped plate 20 through the extrusion spring rod 24, the front and back of the upper end surface of the driving plate 23 are symmetrically provided with the first lug plates, the first roller shaft 25 is installed between the first lug plates through a, a driving shaft 27 is arranged between opposite surfaces of the support frame 1 through a bearing, a driving roller 28 is sleeved on the driving shaft 27, the driving roller 28 is positioned at the right side of the first press roller 26, a hydraulic cylinder 29 is arranged between the support frames 1, a connecting plate 2a is arranged on a moving rod of the hydraulic cylinder 29, a second ear plate is symmetrically arranged in front of and behind the upper end surface of the connecting plate 2a, a second roller shaft 2b is arranged between the second ear plates through a bearing, a second press roller 2c is sleeved on the second roller shaft 2b, an arc-shaped groove 2d is arranged on the right end surface of the driving plate 23, a push plate 2e is arranged on the left end surface of the connecting plate 2a, the push plate 2e is connected with the arc-shaped groove 2d in a sliding fit manner, a first motor 2f is arranged on the second ear plate through a frame, the second roller shaft 2b penetrates through the second ear plate and is connected with an output, the first roll shaft 25 and the second roll shaft 2b are in transmission connection through a connecting groove through a belt 2g, a connecting plate 2a is driven to move upwards through a hydraulic cylinder 29, the connecting plate 2a pushes a second pressing roll 2c to be close to a driving roll 28 through a second lug plate, the connecting plate 2a drives a push plate 2e to move upwards while moving upwards, the push plate 2e slides along an arc-shaped groove 2d, so that a pressing spring rod 24 pushes a driving plate 23 to move leftwards, the driving plate 23 drives a first pressing roll 26 to be close to the driving roll 28, so that the distances between the driving roll 28 and the first pressing roll 26 as well as between the second pressing roll 2c and the driving roll 28 are adjusted, polyester film materials with different thicknesses can be produced, the distance between the second pressing roll 2c and the driving roll 28 is adjusted while the distance between the first pressing roll 26 and the driving roll 28 is synchronously adjusted, the distance between the first pressing roll 26 and the driving roll 28 is always larger than the distance between the second pressing roll 2c and the, the polyester material that extrudes after the plastic granules melting between compression roller 26 and the drive roller 28 earlier carries out the preforming shaping, then No. two compression rollers 2c and drive roller 28 press the polyester film after the preforming into the thickness of regulation once more to realize the production of different thickness, when avoiding when the polyester film of different thickness need be produced in production, still need carry out the loaded down with trivial details phenomenon of roll adjustment installation after dismantling it, and then improved polyester film's production efficiency.
The stretching mechanism 4 comprises a first guide shaft 40, a second guide shaft 41, a support 42, a reset spring rod 43, a support block 44, a pushing shaft 45, stretching rollers 46, a guide plate 47, a lower pressing plate 48, a lower pressing shaft 49 and a cam 4a, the first guide shaft 40 is installed on the opposite surface of the support frame 1, the first guide shaft 40 is located on the right side of the second pressing roller 2c, the second guide shaft 41 is installed on the opposite surface of the support frame 1 in bilateral symmetry, the support 42 is installed on the opposite surface of the support frame 1, the support block 44 is installed on the lower end surface of the support 42 through the reset spring rod 43, the pushing shaft 45 is installed between the support blocks 44, the stretching rollers 46 are sleeved on the pushing shaft 45, the stretching rollers 46 are located between the second guide shafts 41, the guide plate 47 is installed between the support frames 1, a moving through groove is formed in the guide plate 47, the lower pressing plate 48 is installed on the stretching rollers 46, the up end of holding down plate 48 is the arc structure, install down last push shaft 49 through the bearing between the support frame 1, the symmetry cover is equipped with cam 4a around on the push shaft 49 down, cam 4a is located holding down plate 48 directly over, push shaft 49 rotates and drives cam 4a and rotate, cam 4a promotes holding down plate 48 downstream, holding down plate 48 promotes tensile roller 46 downstream and stretches the polyester film between No. two guiding axles 41, then tensile roller 46 drives holding down plate 48 under the effect of reset spring pole 43 and resets, reciprocal promotion tensile roller 46 is stretched the polyester film, increase the toughness of polyester film, avoid appearing the relatively poor phenomenon of toughness of the polyester film of producing.
The cutting mechanism 5 comprises a transmission shaft 50, a gear 51, a transmission roller 52, an annular groove 53, an annular cutter 54 and a guide shaft 55, the transmission shaft 50 is installed on the opposite surface of the support frame 1 through a bearing, the four transmission shafts 50 are arranged in a matrix mode, the transmission shaft 50 is positioned on the right side of the first guide shaft 40, the support frame 1 is penetrated by the transmission shaft 50, the upper transmission shaft 50 and the lower transmission shaft 50 are sleeved with meshed gears 51, the transmission shaft 50 is sleeved with the transmission roller 52, the annular groove 53 is symmetrically formed in the transmission roller 52 on the lower portion of the left side in the front-back mode, the annular cutter 54 is symmetrically sleeved in the transmission roller 52 on the upper portion of the left side in the front-back mode, the guide shaft 55 is symmetrically installed on the opposite surface of the support frame 1, the guide shaft 55 is positioned on the front side and the rear side of the transmission roller 52 on the lower portion of the left side, the guide shaft 55 guides the cut excess materials, so that the phenomenon that the conveying shaft 50 cannot work due to the fact that the excess materials are wound on the conveying shaft 50 is avoided, the excess materials on two sides of the polyester film are cut off, and the phenomenon that the excess parts on two sides of the polyester film cause unattractive appearance during production, forming and winding into a roll is avoided.
The front end face of the support frame 1 is provided with a push-pull groove 10, a material receiving box 11 is arranged below the conveying shaft 50, the front end face of the material receiving box 11 is provided with an Contraband-type pulling plate 12, the Contraband-type pulling plate 12 is located in the push-pull groove 10, and the material receiving box 11 collects cut excess materials.
The support frame 1 is provided with a discharging barrel 13 through a mounting plate, the discharging barrel 13 is positioned above the driving roller 28, and after being melted, plastic particles are extruded from the discharging barrel 13 and fall between the driving roller 28 and the first press roller 26.
The winding mechanism 6 comprises an L-shaped stepped groove 60, a limiting plate 61, a vertical plate 62, a winding shaft 63, a second motor 64 and a chain 65, the support frame 1 is provided with an L-shaped groove, the L-shaped stepped groove 60 is formed in the L-shaped groove, the limiting plate 61 is arranged in the L-shaped stepped groove 60, the vertical plate 62 is installed on the limiting plate 61, the vertical plate 62 is provided with an arc-shaped groove, the winding shaft 63 is arranged between the arc-shaped groove and the support frame 1, the winding shaft 63 is rotatably connected with the support frame 1 through a bearing, the second motor 64 is installed on the rear end face of the support frame 1 through a rack, the winding shaft 63 penetrates through the support frame 1 and is connected with an output shaft of the second motor 64, the driving shaft 27, the lower pressing shaft 49 and the two conveying shafts 50 above are all penetrated through the support frame 1 and are sleeved with a chain wheel, the chain, the chain 65 is used for transmission, the winding shaft 63 winds the polyester film into a roll, and when the rolled polyester film needs to be taken down, the vertical plate 62 is pulled to move along the L-shaped stepped groove 60, so that the polyester film on the winding shaft 63 can be conveniently taken down.
When the production line works specifically, in the first step, the second pressing roller 2c and the first pressing roller 26 are driven to approach the driving roller 28 through the hydraulic cylinder 29, so that the distance between the driving roller 28 and the first pressing roller 26 and the second pressing roller 2c is adjusted, firstly, polyester materials extruded after plastic particles are melted between the first pressing roller 26 and the driving roller 28 are subjected to tabletting forming, then, the second pressing roller 2c and the driving roller 28 are subjected to secondary pressing to adjust the thickness of the polyester films after tabletting, production with different thicknesses is realized, the complex phenomenon that when the polyester films with different thicknesses need to be produced, the polyester films need to be disassembled and then are subjected to distance adjustment and installation is avoided, and the production efficiency of the polyester films is improved;
secondly, the lower pressing shaft 49 rotates to drive the cam 4a to rotate, the cam 4a pushes the lower pressing plate 48 to move downwards, the lower pressing plate 48 pushes the stretching roller 46 to move downwards to stretch the polyester film between the second guide shafts 41, and the reciprocating pushing stretching roller 46 stretches the polyester film, so that the toughness of the polyester film is improved, and the phenomenon that the produced polyester film is poor in toughness is avoided;
thirdly, cutting off the redundant parts on the two sides of the polyester film by the annular cutter 54, guiding the cut-off redundant materials by the guide shaft 55, avoiding the phenomenon that the conveying shaft 50 cannot work due to the winding of the redundant materials on the conveying shaft 50, cutting off the redundant parts on the two sides of the polyester film, and avoiding the phenomenon of unattractive appearance due to the redundant parts on the two sides of the polyester film during the production, molding and winding into a roll;
and fourthly, winding the polyester film into a roll through the winding shaft 63, and pulling the vertical plate 62 to move along the L-shaped stepped groove 60 when the rolled polyester film needs to be taken down, so that the polyester film on the winding shaft 63 can be conveniently taken down.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a polyester film material preparation technology, it has used a polyester film material preparation facilities, and this polyester film material preparation facilities includes support frame (1), decide thick rolling mechanism (2), straining device (3), tension mechanism (4), cutting mechanism (5) and winding mechanism (6), its characterized in that: the preparation process of the polyester film material by adopting the polyester film material preparation device is as follows:
s1, melt extrusion: melting plastic particles and then extruding;
s2, adjusting rolling pressure: the second pressing roller (2c) is driven to move upwards to be close to the driving roller (28) through the hydraulic cylinder (29), and meanwhile, the pushing plate (2e) moves upwards in the arc-shaped groove (2d), so that the first pressing roller (26) is close to the driving roller (28) under the action of the extrusion spring rod (24), the distance between the driving roller (28) and the first pressing roller (26) and the distance between the driving roller (28) and the second pressing roller (2c) are adjusted, and the thickness adjustment of the polyester film pressing sheet is realized;
s3, pressing and stretching: stretching the produced polyester film by a stretching mechanism (4);
s4, edge cutting: cutting the redundant parts at the front side and the rear side of the stretched and conveyed polyester film through a cutting mechanism (5);
s5, winding into a roll: the produced polyester film material is rolled and formed through a winding mechanism (6);
the device is characterized in that the support frames (1) are symmetrically arranged in front and back, the constant-thickness rolling mechanisms (2), the stretching mechanisms (4), the cutting mechanisms (5) and the winding mechanisms (6) are arranged between the support frames (1) at equal intervals from left to right, and the tensioning mechanisms (3) are arranged on the rear end faces of the support frames (1);
the thickness-fixed rolling mechanism (2) comprises an L-shaped plate (20), a stepped groove (21), a T-shaped plate (22), a driving plate (23), an extrusion spring rod (24), a first roller shaft (25), a first compression roller (26), a driving shaft (27), a driving roller (28), a hydraulic cylinder (29), a connecting plate (2a), a second roller shaft (2b), a second compression roller (2c), an arc-shaped groove (2d), a push plate (2e), a first motor (2f) and a belt (2g), the opposite surface of the support frame (1) is provided with the L-shaped plate (20), the horizontal section of the L-shaped plate (20) is provided with the stepped groove (21), the T-shaped plate (22) is connected in the stepped groove (21) in a sliding fit manner, the upper end face of the T-shaped plate (22) is provided with the driving plate (23), the vertical section of the driving plate (23) and the vertical section of the L-shaped plate (20) are, the front and back of the upper end face of the driving plate (23) are symmetrically provided with a first ear plate, a first roller shaft (25) is arranged between the first ear plates through a bearing, a first compression roller (26) is sleeved on the first roller shaft (25), a driving shaft (27) is arranged between opposite faces of the support frame (1) through a bearing, a driving roller (28) is sleeved on the driving shaft (27), the driving roller (28) is positioned on the right side of the first compression roller (26), a hydraulic cylinder (29) is arranged between the support frames (1), a connecting plate (2a) is arranged on a moving rod of the hydraulic cylinder (29), a second ear plate is symmetrically arranged on the front and back of the upper end face of the connecting plate (2a), a second roller shaft (2b) is arranged between the second ear plates through a bearing, a second compression roller (2c) is sleeved on the second roller shaft (2b), an arc-shaped groove (2d) is formed in the right end face of the driving plate (23), a push, the push plate (2e) is connected with the arc-shaped groove (2d) in a sliding fit mode, a first motor (2f) is installed on the second ear plate through a rack, the second roller shaft (2b) penetrates through the second ear plate to be connected with an output shaft of the first motor (2f), the left side and the right side of the support frame (1) are provided with connecting grooves, and the first roller shaft (25) and the second roller shaft (2b) penetrate through the connecting grooves and are in transmission connection through a belt (2 g);
straining device (3) including backup pad (30), supporting spring pole (31), Contraband template (32), tensioning axle (33) and tensioning roller (34), the rear end face of support frame (1) install backup pad (30), backup pad (30) are the slope installation, and the incline direction is unanimous with belt (2g), install Contraband template (32) through supporting spring pole (31) on backup pad (30), tensioning axle (33) are installed through the bearing to the opposite face of Contraband template (32), the cover is equipped with tensioning roller (34) on tensioning axle (33), tensioning roller (34) are inconsistent tightly with belt (2 g).
2. The process for preparing a polyester film material according to claim 1, wherein: the stretching mechanism (4) comprises a first guide shaft (40), a second guide shaft (41), a support (42), a reset spring rod (43), a support block (44), a pushing shaft (45), stretching rollers (46), a guide plate (47), a lower pressing plate (48), a lower pressing shaft (49) and a cam (4a), wherein the first guide shaft (40) is installed on the opposite surface of the support frame (1), the first guide shaft (40) is positioned on the right side of the second pressing roller (2c), the second guide shaft (41) is installed on the opposite surface of the support frame (1) in bilateral symmetry, the support block (42) is installed on the opposite surface of the support frame (1), the support block (44) is installed on the lower end surface of the support frame (42) through the reset spring rod (43), the pushing shaft (45) is installed between the support blocks (44), the stretching rollers (46) are sleeved on the pushing shaft (45), and the stretching rollers (46) are positioned between the second guide shafts (41), install deflector (47) between support frame (1), the removal logical groove has been seted up on deflector (47), install holding down plate (48) on tensile roller (46), holding down plate (48) run through the removal logical groove, the up end of holding down plate (48) is the arc structure, install through the bearing between support frame (1) and push down axle (49), push down axle (49) go up around symmetrical cover be equipped with cam (4a), cam (4a) are located holding down plate (48) directly over.
3. The process for preparing a polyester film material according to claim 2, wherein: the cutting mechanism (5) comprises a conveying shaft (50), a gear (51), a conveying roller (52), an annular groove (53), an annular cutter (54) and a material guide shaft (55), the opposite surface of the support frame (1) is provided with transmission shafts (50) through bearings, the four transmission shafts (50) are arranged in a matrix manner, the transmission shafts (50) are positioned on the right side of the first guide shaft (40), the transmission shafts (50) penetrate through the support frame (1), and two upper and lower conveying axle (50) go up the cover and are equipped with engaged with gear (51), the cover is equipped with transfer roller (52) on conveying axle (50), ring channel (53) have been seted up to the symmetry around on transfer roller (52) of left side below, the symmetry cover is equipped with annular cutter (54) around on transfer roller (52) of left side top, guide axle (55) are installed to the opposite face symmetry of support frame (1), guide axle (55) are located the front and back both sides of transfer roller (52) of left side below.
4. The process for preparing a polyester film material according to claim 3, wherein: the winding mechanism (6) comprises an L-shaped stepped groove (60), a limiting plate (61), a vertical plate (62), a winding shaft (63), a second motor (64) and a chain (65), the support frame (1) is provided with an L-shaped groove, the L-shaped groove is provided with the L-shaped stepped groove (60), the limiting plate (61) is arranged in the L-shaped stepped groove (60), the vertical plate (62) is arranged on the limiting plate (61), the vertical plate (62) is provided with an arc-shaped groove, the winding shaft (63) is arranged between the arc-shaped groove and the support frame (1), the winding shaft (63) is rotatably connected with the support frame (1) through a bearing, the second motor (64) is arranged on the rear end surface of the support frame (1) through a rack, the winding shaft (63) is connected with an output shaft of the second motor (64) in a penetrating manner, the driving shaft (27), a lower pressing shaft (49) and two conveying shafts (50) above are respectively provided with a, the chain wheels are in transmission connection through a chain (65).
5. The process for preparing a polyester film material according to claim 3, wherein: the front end face of the support frame (1) is provided with a push-pull groove (10), a material receiving box (11) is arranged below the conveying shaft (50), the front end face of the material receiving box (11) is provided with an Contraband-type pulling plate (12), and the Contraband-type pulling plate (12) is positioned in the push-pull groove (10).
6. The process for preparing a polyester film material according to claim 1, wherein: the feeding device is characterized in that a feeding barrel (13) is arranged between the supporting frames (1) through a mounting plate, and the feeding barrel (13) is positioned above the driving roller (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110289317.1A CN113021935A (en) | 2021-03-18 | 2021-03-18 | Preparation process of polyester film material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110289317.1A CN113021935A (en) | 2021-03-18 | 2021-03-18 | Preparation process of polyester film material |
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| Publication Number | Publication Date |
|---|---|
| CN113021935A true CN113021935A (en) | 2021-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110289317.1A Withdrawn CN113021935A (en) | 2021-03-18 | 2021-03-18 | Preparation process of polyester film material |
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| Country | Link |
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| CN (1) | CN113021935A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160362A (en) * | 2021-11-25 | 2022-03-11 | 镇江经纬输送装备有限公司 | Automatic production equipment for food-grade polyurethane grain lifting belt and use method thereof |
| CN114228088A (en) * | 2022-02-24 | 2022-03-25 | 江苏飞鸽友联机械股份有限公司 | Thickness-controlled plastic sheet processing device |
| CN117359949A (en) * | 2023-12-05 | 2024-01-09 | 江苏弘德光电材料科技有限公司 | Intelligent composite film adjusting production equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1590063A (en) * | 2003-09-05 | 2005-03-09 | 桐乡市中磁电工器材有限公司 | Manufacturing method of plastic film |
| CN205572848U (en) * | 2016-04-08 | 2016-09-14 | 天津东联远通网络智能化工程有限公司 | Plastic film calender |
| CN207207170U (en) * | 2017-08-21 | 2018-04-10 | 深圳美铂林精密电子有限公司 | Packaging film production line |
| CN208052406U (en) * | 2018-03-16 | 2018-11-06 | 佛山市高明汉臣塑胶有限公司 | A kind of calender for producing film |
| CN111002520A (en) * | 2019-12-07 | 2020-04-14 | 贾晓轩 | Polyester film processing device and method |
-
2021
- 2021-03-18 CN CN202110289317.1A patent/CN113021935A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1590063A (en) * | 2003-09-05 | 2005-03-09 | 桐乡市中磁电工器材有限公司 | Manufacturing method of plastic film |
| CN205572848U (en) * | 2016-04-08 | 2016-09-14 | 天津东联远通网络智能化工程有限公司 | Plastic film calender |
| CN207207170U (en) * | 2017-08-21 | 2018-04-10 | 深圳美铂林精密电子有限公司 | Packaging film production line |
| CN208052406U (en) * | 2018-03-16 | 2018-11-06 | 佛山市高明汉臣塑胶有限公司 | A kind of calender for producing film |
| CN111002520A (en) * | 2019-12-07 | 2020-04-14 | 贾晓轩 | Polyester film processing device and method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160362A (en) * | 2021-11-25 | 2022-03-11 | 镇江经纬输送装备有限公司 | Automatic production equipment for food-grade polyurethane grain lifting belt and use method thereof |
| CN114160362B (en) * | 2021-11-25 | 2022-12-13 | 镇江经纬输送装备有限公司 | Automatic production equipment for food-grade polyurethane grain lifting belt and use method thereof |
| CN114228088A (en) * | 2022-02-24 | 2022-03-25 | 江苏飞鸽友联机械股份有限公司 | Thickness-controlled plastic sheet processing device |
| CN117359949A (en) * | 2023-12-05 | 2024-01-09 | 江苏弘德光电材料科技有限公司 | Intelligent composite film adjusting production equipment |
| CN117359949B (en) * | 2023-12-05 | 2024-03-12 | 江苏弘德光电材料科技有限公司 | Intelligent composite film adjusting production equipment |
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