CN113681919A - Process and equipment for producing medicinal packaging composite membrane by co-extrusion PE instead of traditional PE - Google Patents

Abstract

The invention relates to the technical field of composite film production, in particular to a process and equipment for producing a medicinal packaging composite film by replacing traditional PE with co-extrusion PE, wherein a material homogenizing roller is arranged in a gluing mechanism, the glue coated on the surface of a base film is homogenized through a glue homogenizing roller, so that the glue on the surface of the base film is kept uniform in thickness, the composite effect between the base film and a barrier layer is further improved, the distance between the glue homogenizing roller and the base film is adjusted by moving downwards through a first mounting frame, the thickness of the glue on the surface of the composite film is further controlled, the finished product quality of the packaging composite film is effectively improved, the continuous processing of the packaging composite film in the production process is realized by arranging the gluing mechanism, a cooling mechanism and a film pressing mechanism in a production box, the composite efficiency of the packaging composite film is improved, and the co-extrusion polyethylene film is used as a heat-sealing layer film instead of the traditional polyethylene film, the tear resistance of the packaging composite film and the finished product quality of the packaging composite film can be effectively improved.

Description

Process and equipment for producing medicinal packaging composite membrane by co-extrusion PE instead of traditional PE

Technical Field

The invention relates to the technical field of composite film production, in particular to a process and equipment for producing a medicinal packaging composite film by co-extruding PE instead of traditional PE.

Background

The composite film is a multilayer film formed by combining various plastics and paper, metal or other materials together through laminating, extruding, veneering, co-extrusion and other process technologies, and generally consists of a base material, a laminating adhesive, a barrier material, a heat sealing material, a printing and protective layer coating and the like;

at present, the production process of the composite film as a product in the flexible packaging industry is as follows: the method is characterized in that two layers of plastic films (or aluminum foils and paper) are compounded into a whole film by glue, a traditional polyethylene film is adopted as a heat sealing layer for the medicinal packaging composite film in the prior art, but the tear resistance of the traditional polyethylene film is poor, the durability of the obtained packaging composite film is poor, in addition, the volume of the existing packaging composite film production equipment is large, the operation cost is high, after a glue coating roller is used for coating glue on the surface of a base film, the glue material has uneven thickness, so that the compounding effect is reduced, the temperature of the glue material is high after coating, so that the adhesion effect between two adjacent functional layers is reduced, and the compounding efficiency is correspondingly reduced;

in order to solve the problems, the invention provides a process for producing a medicinal packaging composite film by co-extruding PE instead of the traditional PE, and also discloses production equipment used by the process.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a process and equipment for producing a medicinal packaging composite film by co-extruding PE instead of traditional PE, and solves the problems that the conventional medicinal packaging composite film is poor in service performance, the gluing effect cannot be controlled in the production and preparation process, the finished product quality of the packaging composite film is influenced, and the compounding efficiency of the packaging composite film is low.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

a process for producing a medicinal packaging composite film by co-extrusion of PE instead of traditional PE comprises the following steps:

firstly, paving a base film in a material placing plate, and conveying the material placing plate to a position right below a gluing mechanism by using a conveying frame;

secondly, driving an air cylinder to push a gluing mechanism to be right above a material placing plate, dropping heated glue materials in a gluing head, sliding the material placing plate to the right side at a constant speed below the gluing head to finish gluing treatment on the surface of a base film, driving a first mounting frame to move downwards by a servo electric cylinder, controlling the heights of a glue homogenizing roller and the upper surface of the base film according to the technological requirement of gluing thickness, driving the glue homogenizing roller to rotate by a glue homogenizing motor, horizontally sliding the movable frame in a first movable frame at a constant speed, and homogenizing the glue materials on the surface of the base film by the glue homogenizing roller;

thirdly, introducing a heat exchange medium with the temperature of 0 ℃ into the spiral heat exchange tube, driving the air cylinder to drive the second movable frame to move downwards, enabling the spiral heat exchange tube to be positioned above the discharging plate, performing heat exchange treatment on the sizing material on the surface of the base film by using the spiral heat exchange tube, and performing cooling treatment on the sizing material;

fourthly, feeding a discharging frame with an aluminum-plated film into the limiting frame, driving the air cylinder to drive the third movable frame to move downwards, enabling the discharging frame to be located above the discharging plate, driving the film pressing plate to move downwards by the servo electric cylinder, and compositely pressing the aluminum-plated film in the discharging frame and the upper surface of the base film by the film pressing plate;

and fifthly, carrying out rolling treatment on the aluminizer and the base film subjected to composite pressing by using a flattening roller in a flattening mechanism to complete composite processing between the aluminizer and the base film, then carrying out gluing processing on the surface of the aluminizer, then cooling the sizing material, pressing a co-extruded polyethylene film on the surface of the aluminizer, finally carrying out flattening treatment on the whole composite film, taking out the composite film in the discharging plate, and carrying out ultraviolet curing treatment to obtain the medicinal packaging composite film.

An equipment for producing medicinal packaging composite film by co-extrusion PE instead of traditional PE comprises a production box, wherein a feed inlet and a discharge outlet are respectively arranged on two sides of the production box, a conveying frame is arranged below the interior of the production box, a mounting plate is fixedly connected above the interior of the production box, a glue box is arranged on the left side of the top of the mounting plate, a glue coating mechanism is arranged on the left side of the bottom of the mounting plate and comprises a first movable frame, a partition plate is arranged inside the first movable frame, a glue coating pipe is arranged inside the first movable frame and on the left side of the partition plate, a glue coating head is arranged at the bottom of the glue coating pipe, a movable frame is movably arranged on the right side of the interior of the first movable frame, a first mounting frame is movably arranged inside the movable frame, a glue homogenizing roller is rotatably arranged at the bottom of the first mounting frame, one end of the glue homogenizing roller is driven by a glue homogenizing motor, the two sides of the top of the movable frame are provided with first servo electric cylinders, and one ends of driving shafts of the two first servo electric cylinders are fixedly connected with the two sides of the top of the first mounting frame respectively.

Preferably, the right side symmetry of first movable frame is provided with two servo motor, and the inside symmetry of first movable frame is provided with two screw rods, two shaft coupling fixed connection is passed through with the one end of two servo motor output shafts respectively to the one end of screw rod, two screws have been seted up to the inside symmetry of adjustable shelf, and the inside of two screws respectively with the surperficial threaded connection of two screw rods, the front and the back of adjustable shelf all are provided with the slider, the spout with slider matched with has all been seted up to the both sides of first movable frame inner wall.

Preferably, the conveying frame is movably provided with a discharging mechanism in the inside, the discharging mechanism comprises a discharging plate, a movable plate is arranged in the conveying frame in a sliding mode, a groove is formed in the top of the movable plate, the discharging plate is arranged in the groove, and glue falling grooves are formed in the two sides of the top of the movable plate.

Preferably, the right side of conveying frame is provided with leveling mechanism, leveling mechanism includes the leveling roller, the front of conveying frame all slides with the back and is provided with the movable block, and the mounting groove has all been seted up to two relative one sides of movable block, the inside of mounting groove slides and is provided with the rotating bearing piece, and two rotating bearing pieces's inside rotates with the both ends of leveling roller respectively and is connected, two the inside of movable block all is provided with servo electric jar four.

Preferably, the right side that the mounting panel bottom just was located rubber coating mechanism is provided with cooling body, cooling body includes the second movable frame, the inside activity of second movable frame is provided with the second mounting bracket, and the inside of second mounting bracket is provided with the spiral heat exchange tube, the inside left side of spiral heat exchange tube is provided with the inlet tube, and the inside right side of spiral heat exchange tube is provided with the outlet pipe.

Preferably, the sliding rods are arranged on the periphery inside the second movable frame, sliding holes matched with the sliding rods are formed in the periphery inside the second mounting frame, two servo electric cylinders II are symmetrically arranged on two sides of the top of the second movable frame, and one ends of two driving shafts of the two servo electric cylinders are fixedly connected with two sides of the top of the second mounting frame respectively.

Preferably, the right side of mounting panel bottom is provided with film pressing mechanism, film pressing mechanism includes the third movable frame, the inside of third movable frame is provided with spacing, and the activity groove has all been seted up to the inside both sides of spacing, the inside slip of activity groove is provided with the blowing frame.

Preferably, the bilateral symmetry at third movable frame top is provided with two servo electric jar three, and the inside of third movable frame is provided with the pressure membrane board, two the one end of the three drive shafts of servo electric jar respectively with the both sides fixed connection at pressure membrane board top.

Preferably, the top of mounting panel is provided with three actuating mechanism of group, actuating mechanism is including driving actuating cylinder, and is three the one end of driving the actuating cylinder drive shaft respectively with the top fixed connection of first movable frame, second movable frame and third movable frame, the both sides at first movable frame, second movable frame and third movable frame top all are provided with the movable rod, the top of mounting panel is provided with a plurality of movable sleeve, and the inside of movable sleeve and the top swing joint of movable rod.

(III) advantageous effects

The invention provides a process and equipment for producing a medicinal packaging composite film by co-extrusion PE instead of traditional PE, and compared with the prior art, the process and equipment have the following beneficial effects:

(1) the uniform material roller is arranged in the gluing mechanism, the glue material coated on the surface of the base film is homogenized through the glue homogenizing roller, the glue material on the surface of the base film keeps uniform thickness, the composite effect between the base film and the barrier layer is further improved, the first mounting frame is driven to move downwards in the movable frame through the driving shafts of the two servo electric cylinders, the adjustment of the height of the glue homogenizing roller and the surface of the base film is realized, the thickness of the glue material on the surface of the composite film is further controlled, the continuous processing treatment of the packaging composite film in the production process is realized through the gluing mechanism, the cooling mechanism and the film pressing mechanism which are arranged in the production box, the composite efficiency of the packaging composite film is improved, meanwhile, the occupied area of production equipment is effectively reduced, the running cost of the production equipment is reduced to the maximum extent, and in addition, a co-extruded polyethylene film is adopted to replace a traditional polyethylene film as a heat-sealing layer film, the tear resistance of the packaging composite film and the finished product quality of the packaging composite film can be effectively improved;

(2) the cooling mechanism is arranged on one side of the gluing mechanism, the spiral heat exchange tube is arranged in the cooling mechanism, cooling liquid circulation is realized in the spiral heat exchange tube by using the water inlet tube and the water outlet tube, a low-temperature heat exchange medium is introduced into the spiral heat exchange tube, and heat exchange treatment is carried out on the glue stock through the spiral heat exchange tube, so that the glue stock is rapidly cooled, and the composite effect of the composite film is further improved;

(3) set up leveling mechanism through the below at film pressing mechanism, carry out the composite pressing back between a plurality of complex films, barrier layer and the heat-seal layer through leveling roller and base film surface covering roll and exert pressure, make base film and barrier layer, compound effect between the heat-seal layer is promoted, compound efficiency also improves greatly simultaneously, in addition through the inside of putting into the fly leaf with the blowing board, place the base film in the inside of blowing board, it is spacing to utilize two to press the both sides of membrane strip to the base film, guarantee that the base film is placed at the level and smooth of blowing inboard portion, utilize two glue grooves at fly leaf top to deposit unnecessary sizing material on the base film, avoid the sizing material to cause the pollution to the inside of production case.

Drawings

FIG. 1 is a schematic diagram of an apparatus for producing a pharmaceutical packaging composite film by co-extrusion of PE in place of conventional PE according to the present invention;

FIG. 2 is a cross-sectional view of the structure of the glue applying mechanism of the present invention;

FIG. 3 is a schematic view of the structure of the movable frame of the present invention;

FIG. 4 is a bottom view of the cooling mechanism configuration of the present invention;

FIG. 5 is a cross-sectional view of the film pressing mechanism of the present invention;

FIG. 6 is a top view of the drop feed mechanism structure of the present invention;

FIG. 7 is a schematic view of the leveling mechanism configuration of the present invention;

fig. 8 is a cross-sectional view of a loose piece construction of the present invention.

In the figure, 10, production box; 20. a feed inlet; 30. a discharge port; 40. a transfer frame; 50. mounting a plate; 60. a glue box; 101. a first movable frame; 102. a partition plate; 103. coating a rubber tube; 104. gluing heads; 105. a movable frame; 106. a first mounting bracket; 107. a glue homogenizing roller; 108. a glue homogenizing motor; 109. a first servo electric cylinder; 201. a servo motor; 202. a screw; 203. a screw hole; 204. a slider; 205. a chute; 301. a second movable frame; 302. a second mounting bracket; 303. a spiral heat exchange tube; 304. a water inlet pipe; 305. a water outlet pipe; 306. a slide bar; 307. a slide hole; 308. a second servo electric cylinder; 401. a third movable frame; 402. a limiting frame; 403. a movable groove; 404. a material placing frame; 405. a third servo electric cylinder; 406. a film pressing plate; 501. a driving cylinder; 502. a movable rod; 503. a movable sleeve; 601. a material placing plate; 602. a movable plate; 603. a groove; 604. a glue dropping groove; 701. a leveling roller; 702. a movable block; 703. mounting grooves; 704. rotating the bearing block; 705. and a servo electric cylinder IV.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1-8, a process for producing a pharmaceutical packaging composite film by co-extrusion of PE instead of conventional PE comprises the following steps:

firstly, laying a base film in a material placing plate 601, and conveying the material placing plate 601 to a position right below a gluing mechanism by using a conveying frame 40;

secondly, driving a cylinder 501 to push a gluing mechanism to be right above a discharging plate 601, discharging heated glue from a gluing head 104, sliding the discharging plate 601 to the right side at a constant speed below the gluing head 104 to finish gluing the surface of the base film, driving a first servo electric cylinder 109 to push a first mounting frame 106 to move downwards, controlling the heights of a glue homogenizing roller 107 and the upper surface of the base film according to the technological requirement of gluing thickness, driving the glue homogenizing motor 108 to drive the glue homogenizing roller 107 to rotate, sliding a movable frame 105 in a first movable frame 101 horizontally at a constant speed, and homogenizing the glue roller 107 to homogenize the glue on the surface of the base film;

thirdly, the discharging plate 601 is conveyed to the position right below the second movable frame 301, a 0 ℃ heat exchange medium is introduced into the spiral heat exchange tube 303 through the water inlet pipe 304, the air cylinder 501 is driven to drive the second movable frame 301 to move downwards, the spiral heat exchange tube 303 is positioned above the discharging plate 601, heat exchange treatment is carried out on the sizing material on the surface of the base film through the spiral heat exchange tube 303, and cooling treatment is carried out on the sizing material;

fourthly, the feeding plate 601 is conveyed to the position right below the third movable frame 401, the feeding frame 404 with the aluminizer is conveyed into the limiting frame 402, the driving cylinder 501 drives the third movable frame 401 to move downwards, the feeding frame 404 is positioned above the feeding plate 601, the servo cylinder three 405 drives the film pressing plate 406 to move downwards, and the aluminizer in the feeding frame 404 and the upper surface of the base film are subjected to composite pressing by the film pressing plate 406;

and fifthly, performing rolling treatment on the aluminizer and the base film subjected to composite pressing by using a flattening roller 701 in a flattening mechanism to complete composite processing between the aluminizer and the base film, performing gluing processing on the surface of the aluminizer, cooling the glue material, pressing a co-extruded polyethylene film on the surface of the aluminizer, finally performing flattening treatment on the whole composite film, taking out the composite film in the discharging plate 601, and performing ultraviolet curing treatment to obtain the medicinal packaging composite film.

Example 2:

referring to fig. 1-3, an apparatus for producing a pharmaceutical packaging composite film by co-extrusion of PE instead of conventional PE comprises a production box 10, wherein two sides of the production box 10 are respectively provided with a feeding port 20 and a discharging port 30, the production of the packaging composite film is conveyed through the discharging port 30 and the discharging port 30, a conveying frame 40 is arranged below the interior of the production box 10, two sides of the conveying frame 40 respectively extend to the interiors of the feeding port 20 and the discharging port 30, the packaging composite film slides inside the production box 10 through the conveying frame 40, a mounting plate 50 is fixedly connected above the interior of the production box 10, a glue box 60 is arranged on the left side of the top of the mounting plate 50, wherein a feeding pipe is arranged above the left side of the glue box 60, one end of the feeding pipe penetrates through the production box 10 and extends to the exterior of the production box 10, and a stirring assembly and a heating assembly are arranged inside the glue box 60, the glue material in the glue material box 60 is heated and stirred through the stirring assembly and the heating assembly, so that the glue material is prevented from being solidified in the glue material box 60, the material pump is arranged on the rear side of the glue material box 60 and is communicated with the inside of the glue material box 60 through the material pumping pipe, the glue material is pumped by the material pump and is conveyed into the gluing mechanism through the material guide pipe, so that the glue material is conveyed, the left side of the bottom of the mounting plate 50 is provided with the gluing mechanism, the gluing mechanism comprises a first movable frame 101, a partition plate 102 is arranged inside the first movable frame 101, the inside of the first movable frame 101 is divided into a gluing chamber and a glue homogenizing chamber through the partition plate 102, the gluing pipe 103 is arranged inside the first movable frame 101 and on the left side of the partition plate 102, the bottom of the gluing pipe 103 is provided with a glue applying head 104, the bottom of the glue applying head 104 is provided with a flat glue outlet, the heated glue material is conveyed into the inside of the glue applying head 104 through the material guide pipe by the material pump, then, glue is coated on the surface of the base film through a glue outlet, a movable frame 105 is movably arranged on the right side inside the first movable frame 101, a first mounting frame 106 is movably arranged inside the movable frame 105, a glue homogenizing roller 107 is rotatably arranged at the bottom of the first mounting frame 106, one end of the glue homogenizing roller 107 is driven by a glue homogenizing motor 108, the glue homogenizing motor 108 is positioned below the inside of the first mounting frame 106, the glue coated on the surface of the base film is homogenized by the glue homogenizing roller 107, the glue on the surface of the base film keeps uniform thickness, the composite effect between the base film and a barrier layer is further improved, servo electric cylinders 109 are respectively arranged on two sides of the top of the movable frame 105, one end of each driving shaft of the two servo electric cylinders 109 is respectively fixedly connected with two sides of the top of the first mounting frame 106, the first mounting frame 106 is driven to move downwards inside the movable frame 105 by the driving shafts of the two servo electric cylinders 109, the surface heights of the glue homogenizing roller 107 and the base film are adjusted, and further the thickness of the rubber material on the surface of the composite film is controlled.

Example 3:

referring to fig. 1-3, two servo motors 201 are symmetrically disposed on the right side of the first movable frame 101, two screws 202 are symmetrically arranged inside the first movable frame 101, one end of each screw 202 is fixedly connected with one end of an output shaft of each servo motor 201 through a coupler, two screw holes 203 are symmetrically arranged inside the movable frame 105, the inner parts of the two screw holes 203 are respectively connected with the surface threads of the two screw rods 202, the front surface and the back surface of the movable frame 105 are both provided with slide blocks 204, the two sides of the inner wall of the first movable frame 101 are both provided with slide grooves 205 matched with the slide blocks 204, the screw 202 is driven to rotate by the output shaft of the servo motor 201, the movable frame 105 slides left and right in the first movable frame 101 by utilizing the threaded connection of the two screws 202 and the movable frame 105, and the refining treatment on the rubber material on the surface of the composite film is completed by matching with the roller 107 in the movable frame 105.

Example 4:

referring to fig. 1-4, a cooling mechanism is disposed at the bottom of the mounting plate 50 and on the right side of the glue spreading mechanism, the cooling mechanism includes a second movable frame 301, a second mounting frame 302 is movably disposed inside the second movable frame 301, a spiral heat exchange tube 303 is disposed inside the second mounting frame 302, a water inlet tube 304 is disposed on the left side inside the spiral heat exchange tube 303, a water outlet tube 305 is disposed on the right side inside the spiral heat exchange tube 303, water guide hoses are communicated with one ends of the water inlet tube 304 and the water outlet tube 305, slide bars 306 are disposed around the inside of the second movable frame 301, slide holes 307 matched with the slide bars 306 are disposed around the inside of the second mounting frame 302, the surfaces of the four slide bars 306 are respectively connected with the insides of the four slide holes 307 in a sliding manner, two servo electric cylinders 308 are symmetrically disposed on two sides of the top of the second movable frame 301, and one ends of drive shafts of the two servo electric cylinders 308 are respectively fixedly connected with two sides of the top of the second mounting frame 302, through the inside spiral heat exchange tube 303 that sets up of second movable frame 301, utilize inlet tube 304 and outlet pipe 305 to realize that the inside of spiral heat exchange tube 303 carries out the coolant liquid circulation, spiral heat exchange tube 303 carries out heat transfer treatment to the sizing material, makes the sizing material cool down rapidly, further improves the compound effect of complex film.

Example 5:

referring to fig. 1-5, in the present invention, a film pressing mechanism is disposed on the right side of the bottom of the mounting plate 50, the film pressing mechanism includes a third movable frame 401, a limiting frame 402 is disposed inside the third movable frame 401, two movable grooves 403 are disposed on two sides inside the limiting frame 402, a material discharge frame 404 is slidably disposed inside the movable grooves 403, a material feeding assembly is disposed on the back side of the third movable frame 401, the material discharge frame 404 is fed into the limiting frame 402 by the material feeding assembly, the material feeding assembly replaces the material discharge frame 404 after pressing a membrane inside the material discharge frame 404 into the top of the base membrane by the film pressing mechanism, the material feeding assembly can be a manipulator, two servo three cylinders 405 are symmetrically disposed on two sides of the top of the third movable frame 401, a film pressing plate 406 is disposed inside the third movable frame 401, one end of a driving shaft of each of the two servo three cylinders 405 is respectively fixedly connected to two sides of the top of the film pressing plate 406, the pressing film plate 406 is driven by two servo cylinders three 405 to move downwards, and the film inside the discharging frame 404 is pressed above the base film.

Example 6:

referring to fig. 1, three groups of driving mechanisms are arranged at the top of the mounting plate 50, each driving mechanism includes a driving cylinder 501, one end of a driving shaft of each driving cylinder 501 is fixedly connected with the top of each of the first movable frame 101, the second movable frame 301 and the third movable frame 401, movable rods 502 are arranged on two sides of the tops of the first movable frame 101, the second movable frame 301 and the third movable frame 401, a plurality of movable sleeves 503 are arranged at the top of the mounting plate 50, the interiors of the movable sleeves 503 are movably connected with the top ends of the movable rods 502, and the driving cylinders 501 drive the gluing mechanism, the cooling mechanism and the film pressing mechanism to move downwards respectively, so that the gluing, cooling and film pressing processes of the packaging composite film are normally performed.

Example 7:

referring to fig. 1-6, in the present invention, a discharging mechanism is movably disposed inside a conveying frame 40, the discharging mechanism includes a discharging plate 601, a movable plate 602 is slidably disposed inside the conveying frame 40, a groove 603 is disposed at the top of the movable plate 602, the discharging plate 601 is movably connected to the inside of the groove 603, glue dropping grooves 604 are disposed on both sides of the top of the movable plate 602, a base film is disposed inside the discharging plate 601 by placing the discharging plate 601 inside the movable plate 602, pressing strips are disposed on both sides of the top of the discharging plate 601, two sides of the base film are limited by the two pressing strips, the base film is smoothly disposed inside the discharging plate 601, and the two glue dropping grooves 604 at the top of the movable plate 602 are used for storing redundant glue on the base film, so as to prevent the glue from polluting the inside of the production box 10.

Example 8:

referring to fig. 1-8, a leveling mechanism is disposed on the right side of the conveying frame 40, the leveling mechanism includes a leveling roller 701, movable blocks 702 are slidably disposed on the front side and the back side of the conveying frame 40, mounting grooves 703 are disposed on opposite sides of the two movable blocks 702, rotating bearing blocks 704 are slidably disposed inside the mounting grooves 703, the insides of the two rotating bearing blocks 704 are rotatably connected to two ends of the leveling roller 701 respectively, servo electric cylinders four 705 are disposed inside the two movable blocks 702, one ends of driving shafts of the two servo electric cylinders four 705 are fixedly connected to tops of the two rotating bearing blocks 704 respectively, and the leveling roller 701 and a barrier layer and a heat seal layer covering the surface of a base film are used for rolling pressure application, so that the composite effect between the base film, the barrier layer and the heat seal layer is improved, and the composite efficiency is greatly improved.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A technology for producing a medicinal packaging composite film by co-extrusion PE instead of traditional PE is characterized in that: the method comprises the following steps:

firstly, a base film is flatly laid in a material placing plate (601), and the material placing plate (601) is conveyed to the position right below a gluing mechanism by a conveying frame (40);

secondly, a driving cylinder (501) pushes a gluing mechanism to be right above a discharging plate (601), heated glue falls out of a gluing head (104), the discharging plate (601) slides to the right side at a constant speed below the gluing head (104) to finish gluing treatment on the surface of a base film, a servo electric cylinder (109) pushes a first mounting frame (106) to move downwards, the heights of a glue homogenizing roller (107) and the upper surface of the base film are controlled according to the technological requirement of gluing thickness, a glue homogenizing motor (108) drives a glue homogenizing roller (107) to rotate, meanwhile, a movable frame (105) horizontally slides at a constant speed inside a first movable frame (101), and the glue homogenizing roller (107) homogenizes the glue on the surface of the base film;

thirdly, introducing a heat exchange medium with the temperature of 0 ℃ into the spiral heat exchange tube (303), driving the air cylinder (501) to drive the second movable frame (301) to move downwards, enabling the spiral heat exchange tube (303) to be positioned above the material discharging plate (601), performing heat exchange treatment on the rubber material on the surface of the base film by using the spiral heat exchange tube (303), and performing cooling treatment on the rubber material;

fourthly, feeding a discharging frame (404) with an aluminum-plated film into the limiting frame (402), driving a cylinder (501) to drive a third movable frame (401) to move downwards, enabling the discharging frame (404) to be located above the discharging plate (601), driving a film pressing plate (406) to move downwards by a servo electric cylinder III (405), and performing composite pressing on the aluminum-plated film in the discharging frame (404) and the upper surface of the base film by the film pressing plate (406);

and fifthly, rolling the laminated aluminizer and the base film by using a flattening roller (701) in a flattening mechanism to complete composite processing between the aluminizer and the base film, gluing the surface of the aluminizer, cooling the glue, pressing a co-extruded polyethylene film on the surface of the aluminizer, flattening the integral composite film, taking out the composite film inside the material placing plate (601), and performing ultraviolet curing to obtain the medicinal packaging composite film.

2. The utility model provides an equipment that crowded PE replaces traditional PE to produce medicinal packaging composite film which characterized in that: comprises a production box (10), wherein a feed inlet (20) and a discharge outlet (30) are respectively arranged on two sides of the production box (10), a conveying frame (40) is arranged below the inside of the production box (10), a mounting plate (50) is fixedly connected with the inside of the production box (10), a glue box (60) is arranged on the left side of the top of the mounting plate (50), a glue coating mechanism is arranged on the left side of the bottom of the mounting plate (50), the glue coating mechanism comprises a first movable frame (101), a partition plate (102) is arranged inside the first movable frame (101), a glue coating pipe (103) is arranged on the left side of the partition plate (102) inside the first movable frame (101), a glue coating head (104) is arranged at the bottom of the glue coating pipe (103), a movable frame (105) is movably arranged on the right side inside the first movable frame (101), and a first mounting frame (106) is arranged inside the movable frame (105), the bottom of first mounting bracket (106) is rotated and is provided with even rubber roll (107), and the one end of even rubber roll (107) drives through even gluey motor (108), the both sides at adjustable shelf (105) top all are provided with servo electric jar (109), and the one end of two servo electric jar (109) drive shafts respectively with the both sides fixed connection at first mounting bracket (106) top.

3. The apparatus of claim 2 for producing a pharmaceutical packaging composite film from co-extruded PE instead of conventional PE, wherein: the right side symmetry of first movable frame (101) is provided with two servo motor (201), and the inside symmetry of first movable frame (101) is provided with two screw rods (202), two shaft coupling fixed connection is passed through with the one end of two servo motor (201) output shafts respectively to the one end of screw rod (202), two screw holes (203) have been seted up to the inside symmetry of movable frame (105), and the inside of two screw holes (203) respectively with the surface threaded connection of two screw rods (202), the front and the back of movable frame (105) all are provided with slider (204), spout (205) with slider (204) matched with have all been seted up to the both sides of first movable frame (101) inner wall.

4. The apparatus of claim 2 for producing a pharmaceutical packaging composite film from co-extruded PE instead of conventional PE, wherein: the inside activity of conveying frame (40) is provided with drop feed mechanism, drop feed mechanism includes blowing board (601), the inside slip of conveying frame (40) is provided with fly leaf (602), and the top of fly leaf (602) is seted up flutedly (603), and the inside of recess (603) is provided with blowing board (601), glue dropping groove (604) have all been seted up to the both sides at fly leaf (602) top.

5. The apparatus of claim 2 for producing a pharmaceutical packaging composite film from co-extruded PE instead of conventional PE, wherein: the right side of conveying frame (40) is provided with leveling mechanism, leveling mechanism includes leveling roller (701), the front and the back of conveying frame (40) all slide and be provided with movable block (702), and mounting groove (703) have all been seted up to one side that two movable blocks (702) are relative, the inside of mounting groove (703) slides and is provided with swivel bearing piece (704), and the inside of two swivel bearing pieces (704) rotates with the both ends of leveling roller (701) respectively and is connected, two the inside of movable block (702) all is provided with servo electric cylinder four (705).

6. The apparatus of claim 2 for producing a pharmaceutical packaging composite film from co-extruded PE instead of conventional PE, wherein: mounting panel (50) bottom and the right side that is located rubber coating mechanism are provided with cooling body, cooling body includes second movable frame (301), the inside activity of second movable frame (301) is provided with second mounting bracket (302), and the inside of second mounting bracket (302) is provided with spiral heat exchange tube (303), the inside left side of spiral heat exchange tube (303) is provided with inlet tube (304), and the inside right side of spiral heat exchange tube (303) is provided with outlet pipe (305).

7. The apparatus of claim 6 for producing a pharmaceutical packaging composite film from co-extruded PE instead of conventional PE, wherein: all be provided with slide bar (306) around the inside of second activity frame (301), inside slide opening (307) with slide bar (306) matched with all around of second mounting bracket (302), the bilateral symmetry at second activity frame (301) top is provided with two servo electric jar two (308), and the one end of two servo electric jar two (308) drive shafts respectively with the both sides fixed connection at second mounting bracket (302) top.

8. The apparatus of claim 2 for producing a pharmaceutical packaging composite film from co-extruded PE instead of conventional PE, wherein: the right side of mounting panel (50) bottom is provided with press mold mechanism, press mold mechanism includes third movable frame (401), the inside of third movable frame (401) is provided with spacing (402), and movable groove (403) have all been seted up to the inside both sides of spacing (402), the inside slip of movable groove (403) is provided with blowing frame (404).

9. The apparatus of claim 8 for producing a pharmaceutical packaging composite film from co-extruded PE instead of conventional PE, wherein: the bilateral symmetry at third movable frame (401) top is provided with two servo electric jar three (405), and the inside of third movable frame (401) is provided with press mold board (406), two the one end of the three (405) drive shafts of servo electric jar respectively with the both sides fixed connection at press mold board (406) top.

10. The apparatus of claim 2 for producing a pharmaceutical packaging composite film from co-extruded PE instead of conventional PE, wherein: the top of mounting panel (50) is provided with three actuating mechanism of group, actuating mechanism is including driving actuating cylinder (501), three the one end of driving actuating cylinder (501) drive shaft all is provided with movable rod (502) with the both sides at first movable frame (101), second movable frame (301) and third movable frame (401) top respectively, the top of mounting panel (50) is provided with a plurality of movable sleeve (503), and the top swing joint of the inside of movable sleeve (503) and movable rod (502).

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