CN110054016B - Production method of antibacterial preservative film - Google Patents

Production method of antibacterial preservative film Download PDF

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Publication number
CN110054016B
CN110054016B CN201910348303.5A CN201910348303A CN110054016B CN 110054016 B CN110054016 B CN 110054016B CN 201910348303 A CN201910348303 A CN 201910348303A CN 110054016 B CN110054016 B CN 110054016B
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China
Prior art keywords
frame
preservative film
placing
shell
antibacterial
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CN201910348303.5A
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Chinese (zh)
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CN110054016A (en
Inventor
何梦丹
吴燕
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GUANGDONG SHUNCHENG ALWAYSEAL TECHNOLOGY Ltd.
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Guangdong Shuncheng Alwayseal Technology Ltd
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Priority to CN201910348303.5A priority Critical patent/CN110054016B/en
Publication of CN110054016A publication Critical patent/CN110054016A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/002Combinations of extrusion moulding with other shaping operations combined with surface shaping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0022Combinations of extrusion moulding with other shaping operations combined with cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/07Flat, e.g. panels
    • B29C48/08Flat, e.g. panels flexible, e.g. films
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/0006Article or web delivery apparatus incorporating cutting or line-perforating devices
    • B65H35/0073Details
    • B65H35/008Arrangements or adaptations of cutting devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/04Polyesters derived from hydroxycarboxylic acids
    • B29K2067/046PLA, i.e. polylactic acid or polylactide

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)

Abstract

The invention relates to an antibacterial preservative film, production equipment and a production method thereof, wherein the antibacterial preservative film comprises a preservative film roll, two dustproof frames, a cutting frame and a sleeve. According to the antibacterial preservative film provided by the invention, the box body is arranged outside to avoid dust falling, the preservative film roll to be cut is compressed and cut in a delayed manner without being torn by hands, and the cut is parallel and level.

Description

Production method of antibacterial preservative film
Technical Field
The invention relates to the field of preservative film production, in particular to a production method of an antibacterial preservative film.
Background
The preservative film is a plastic packaging product, is usually prepared by taking ethylene as a master batch through polymerization reaction, is widely applied to the fields of microwave oven food heating, refrigerator food preservation, fresh and cooked food packaging and the like, and food packaging in the fields of family life, supermarket stores, hotels and restaurants and industrial production, is widely used by people, and often has the following problems in the using process of the existing preservative film: because the surface does not have the dust layer, when putting on the desktop, the easy deposition of a surperficial rete membrane of plastic wrap, and personnel tear the plastic wrap with the help of the strength of hand usually, are difficult to tear, and the fracture of plastic wrap is not parallel and level.
The personnel put into an equipment box with it usually after finishing the plastic wrap production, however, the box body is assembled with the help of artificial mode usually, and the time of a complete box body of personnel's equipment is longer, and work efficiency is not high, is not suitable for large-scale equipment.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides a production method of an antibacterial preservative film.
The technical scheme adopted by the invention to solve the technical problem is as follows: the production method of the antibacterial preservative film is mainly completed by matching a preservative film roll, two dustproof frames, a cutting frame and a sleeve, wherein the two dustproof frames are clamped on the left side and the right side of the lower end of the cutting frame, the sleeve is sleeved between the two dustproof frames, and the preservative film roll is sleeved on the sleeve.
Dustproof frame include that a shell, cover establish a section of thick bamboo, two joint heads and reset spring, shell inner wall mid-mounting has the cover to establish a section of thick bamboo, the upper end of shell is equipped with two draw-in grooves, both sides link to each other with two joint heads through sliding fit's mode around the shell outer end, the joint head passes through reset spring and links to each other with the shell, two dustproof frames roll up the plastic wrap and play dustproof and overlap the effect of establishing.
The cutting frame comprises a splicing shell, two limiting frames, two pressing blocks, a main spring, a guide rod, a connecting spring, two cutters and two pressed columns, wherein a base plate is uniformly arranged at the upper end of the splicing shell, two clamping blocks are arranged on the front side and the rear side of the lower end of the splicing shell, the two limiting frames are arranged on the left side and the right side of the lower end of the splicing shell, two matching blocks are arranged on the front end and the rear end of the splicing shell, the inside of the splicing shell is connected with the two pressing blocks in a sliding fit mode, the pressing blocks are connected with the inner wall of the splicing shell through the main spring, the right end of the splicing shell is connected with the guide rod in a sliding fit mode, the connecting spring is connected between the guide rod and the splicing shell, the inside of the splicing shell is connected with the cutters in a sliding fit mode, the pressed columns are arranged on the cutters, when the preservative film roll is cut off in specific work, the guide rod continues to move rightwards, and the two cutters cut off the preservative film roll in a delayed manner in an extrusion manner.
The upper end of compact heap be equipped with the guide post, the right-hand member of compact heap is equipped with the sliding tray, and the post that just receives is located the sliding tray, the compact heap is inside to link to each other with the cutter through built-in spring.
The guide rod is of a pi-shaped structure, two symmetrical grooves are formed in the guide rod and are of a V-shaped structure, and two extrusion blocks are arranged on the inner wall of the guide rod.
Except that being relevant with casting machine, corona treatment machine, rolling machine in antibiotic plastic wrap production process, still include the special production facility of above-mentioned antibiotic plastic wrap, production facility include bottom plate, belt conveyor, placer, two thrust unit and conveyor, the mid-mounting of bottom plate has belt conveyor, evenly is equipped with placer on the belt conveyor, two thrust unit are installed to the left and right sides of bottom plate front end, be located the conveyor on the thrust unit on bottom plate right side, when concrete work, placer drives the plastic wrap antedisplacement to suitable position, two thrust unit drive two dustproof frames move in opposite directions, conveyor drives and cuts off the frame and descend for two dustproof frames and cut off the joint between the frame, and the plastic wrap is rolled up and is passed through the muffjoint between two dustproof frames.
The production method of the antibacterial preservative film specifically comprises the following steps:
s1, selecting raw materials: screening plastic particles through a 20-200-mesh sieve, wherein the plastic particles are polylactic acid particles;
s2, melting: adding the polylactic acid particles screened in the S1 into a reactor, controlling the temperature at 165-185 ℃, and melting the target particles into a molten state under the stirring condition;
s3, extrusion casting, namely putting the mixed molten liquid in the S2 into an SG-2L 500 casting machine of a T-shaped opening film for working so as to extrude a melt film;
s4, cooling: tightly attaching the melt film extruded in the S3 to a cooling roller for cooling, wherein the temperature of the cooling roller is controlled at 20-30 ℃;
s5, corona treatment: carrying out corona treatment on the plastic film obtained by cooling in the S4 by a QS-YT50 corona treatment machine;
s6, cutting waste edges and sleeving: cutting off waste edges on two sides of the plastic film obtained in the step S5, then rolling the cut plastic film by a 1200-type rolling machine, and then sleeving the plastic film into a sleeve and conveying the plastic film;
s7, conveying: sequentially placing the preservative film rolls in the S6 on a placing device, and driving the placed preservative film rolls to be sequentially conveyed by a belt conveyor;
s8, assembling the casing: stopping conveying when the preservative film roll is conveyed to a working position, driving the two dustproof frames to move oppositely by the two pushing devices, driving the cutting frame to move downwards by the conveying devices, mutually clamping the two dustproof frames and the cutting frame to sleeve the periphery of the preservative film roll, and then blanking;
s9, packaging: and (5) performing film covering and packaging on the outer surface of the preservative film roll sleeved by the S8.
The placing device comprises a fixed block, two adjustable placing racks, two L racks, a strong spring and a conveying frame, wherein the fixed block is provided with two inlet and outlet grooves, the two adjustable placing racks are mounted at the left end and the right end of the fixed block through pin shafts, the inlet and outlet grooves are connected with the L rack through the strong spring, the initial position of the L rack is tightly attached to the inner wall of each adjustable placing rack, the conveying frame is arranged behind the adjustable placing racks, and the conveying frame is mounted on the belt conveyor.
Wherein, thrust unit include the slide rail frame, promote frame, sliding block, promote the cylinder, support frame and spacing frame, the slide rail frame passes through the pedestal mounting on the bottom plate, links to each other with the sliding block through sliding fit's mode on the slide rail frame, the sliding block is installed on promoting the frame, the lower extreme mid-mounting of promoting the frame has to support the frame, the outer end of promoting the frame links to each other with the promotion cylinder top, promote the cylinder and pass through the chassis and install on the slide rail frame, spacing frame is installed to the upper end of slide rail frame.
Wherein, conveyor include the connecting block, place the frame, two rotate the motor, two pivots, two upper plates, two hypoplastron and two link boards, it places the frame to install through the connecting block on the thrust unit who is located the bottom plate right side, both ends are equipped with two around placing the frame middle part and separate the fluting, both ends have the rotation motor through pedestal mounting around placing the frame, install the pivot on the output shaft of rotation motor, the middle part of pivot is passed through the bearing and is installed on linking the board, link the board and install on placing the frame, the upper plate is installed to the upper end of pivot, the upper plate is located to separate the fluting, the hypoplastron is installed to the bottom of pivot.
The placing frame is of a cross structure, the left end of the placing frame is of an open structure, and the inside of the placing frame is of a hollow structure.
The upper plate and the lower plate are of semicircular structures with the same size, the positions between the upper plate and the lower plate are arranged at ninety degrees, and the distance between the upper plate and the lower plate is the thickness of the splicing shell.
Wherein, the upper end outside of pushing frame be equipped with the interlayer board, evenly be equipped with the gyro wheel through the round pin axle on the interlayer board.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the external box body avoids dust falling, and the preservative film roll to be cut is compressed and cut in a delayed manner without being torn by hands, so that the cuts are parallel and level;
2. according to the placing device provided by the invention, the preservative film roll sleeved on the sleeve is placed by the placing device, and the preservative film roll after the box body is assembled is placed and conveyed;
3. according to the pushing device provided by the invention, the pushing device drives the dustproof frame to be assembled and quickly assembled, so that the function of pushing the assembly for multiple times by single feeding is realized, manual installation of personnel is not required, and the assembly efficiency is improved;
4. the invention provides a conveying device, wherein a placing frame is used for stacking and placing cutting frames, the conveying device is used for assisting the assembly of the cutting frames, and only the assembled cutting frames are allowed to fall onto a conveying frame.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of a wrap roll, a dust-proof frame, a cutting frame and a sleeve according to the present invention;
FIG. 2 is a flow chart of the production process of the present invention;
FIG. 3 is a schematic structural view of the base plate, the belt conveyor, the placement device, the pushing device and the conveying device of the present invention;
FIG. 4 is a schematic structural diagram of a cutting frame of the present invention;
FIG. 5 is a schematic structural view of the dustproof frame of the present invention;
FIG. 6 is a schematic view of the structure between the base plate and the placement device of the present invention;
FIG. 7 is a schematic structural view between the base plate and the pushing device of the present invention;
FIG. 8 is a schematic view of the structure between the base plate and the conveying device of the present invention;
FIG. 9 is a schematic view of the assembly of the wrap roll, the dust frame, the cut-off frame and the sleeve.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained with reference to fig. 1 to 8.
The production method of the antibacterial preservative film is mainly completed by matching a preservative film roll 1, two dustproof frames 2, a cutting frame 3 and a sleeve 4, wherein the two dustproof frames 2 are clamped on the left side and the right side of the lower end of the cutting frame 3, the sleeve 4 is sleeved between the two dustproof frames 2, and the preservative film roll 1 is sleeved on the sleeve 4.
Dustproof frame 2 include shell 21, overlap and establish a section of thick bamboo 22, two joint heads 23 and reset spring 24, shell 21 inner wall mid-mounting has the cover to establish a section of thick bamboo 22, the upper end of shell 21 is equipped with two draw-in grooves, both sides link to each other with two joint heads 23 through sliding fit's mode around the shell 21 outer end, joint head 23 passes through reset spring 24 and links to each other with shell 21, two dustproof frame 2 roll up 1 effect dustproof and the cover is established to the plastic wrap.
The cutting frame 3 comprises a splicing shell 31, two limiting frames 32, two pressing blocks 34, a main spring 35, a guide rod 36, a connecting spring 37, two cutters 38 and two pressed columns 39, wherein the upper end of the splicing shell 31 is uniformly provided with a backing plate, the front side and the rear side of the lower end of the splicing shell 31 are provided with two clamping blocks, the left side and the right side of the lower end of the splicing shell 31 are provided with the two limiting frames 32, the front end and the rear end of the splicing shell 31 are provided with two matching blocks, the splicing shell 31 is internally connected with the two pressing blocks 34 in a sliding fit manner, the pressing blocks 34 are connected with the inner wall of the splicing shell 31 through the main spring 35, the right end of the splicing shell 31 is connected with the guide rod 36 in a sliding fit manner, the connecting spring 37 is connected between the guide rod 36 and the splicing shell 31, the inside of the splicing shell 31 is connected with the cutters 38 in a sliding fit manner, the pressed columns 39 are arranged, the guide rod 36 is pressed rightwards, the two pressing blocks 34 press and limit the current preservative film roll 1, the guide rod 36 continues to move rightwards, and the two cutters 38 cut off the preservative film roll 1 in a delayed mode in an extruding mode.
The upper end of the pressing block 34 is provided with a guide column, the right end of the pressing block 34 is provided with a sliding groove, the pressed column 39 is positioned in the sliding groove, and the inside of the pressing block 34 is connected with the cutter 38 through a built-in spring.
The guide rod 36 is of a pi-shaped structure, two symmetrical grooves are formed in the guide rod 36 and are of a V-shaped structure, and two extrusion blocks are arranged on the inner wall of the guide rod 36.
When the fresh-keeping film roll 1 needs to be cut off by a worker, the fresh-keeping film roll 1 is pulled out to a proper position, the guide rod 36 is pressed rightwards, two guide columns on the two pressing blocks 34 move oppositely under the extrusion of the two symmetrical grooves until the current fresh-keeping film roll 1 is compressed and limited, at the moment, the guide columns are located at the bending positions of the symmetrical grooves, the guide rod 36 continues moving rightwards, the position between the two pressing blocks 34 is kept unchanged, the pressing blocks extrude the pressed columns 39, two cutters 38 move oppositely, and the two cutters 38 cut off the fresh-keeping film roll 1 in a delayed mode.
In the production process of the antibacterial preservative film, besides being related to a casting machine, a corona treatment machine and a winding machine, the production equipment special for the antibacterial preservative film is also included, the production equipment comprises a bottom plate, a belt conveyor 5, a placing device 6, two pushing devices 7 and a conveying device 8, wherein the belt conveyor 5 is arranged in the middle of the bottom plate, the placing device 6 is uniformly arranged on the belt conveyor 5, the two pushing devices 7 are arranged on the left side and the right side of the front end of the bottom plate, the conveying device 8 is arranged on the pushing device 7 on the right side of the bottom plate, when the production equipment works, the placing device 6 drives the preservative film roll 1 to move forward to a proper position, the two pushing devices 7 drive the two dustproof frames 2 to move oppositely, the conveying device 8 drives the cutting frame 3 to descend, make two dustproof frames 2 and cut off the joint between the frame 3, and the plastic wrap book 1 passes through sleeve 4 cover between two dustproof frames 2.
Placer 6 include fixed block 61, two adjustable racks 62, two L framves 63, powerful spring 64 and carriage 65, be equipped with two business turn over grooves on the fixed block 61, two adjustable racks 62 are installed through the round pin axle at both ends about the fixed block 61, business turn over inslot links to each other with L framves 63 through powerful spring 64, and L framves 63's initial position hugs closely at adjustable rack 62 inner wall, adjustable rack 62's rear is equipped with carriage 65, carriage 65 is installed on belt conveyor 5, during concrete work, belt conveyor 5 drives placer 6 cyclic motion, the plastic wrap book 1 that the cover was established at the outer wall of sleeve 4 is put on two adjustable racks 62 in proper order.
The pushing device 7 comprises a slide rail frame 71, a pushing frame 72, a sliding block 73, a pushing cylinder 74, a pushing frame 75 and a limiting frame 76, wherein the slide rail frame 71 is installed on the bottom plate through a base, the slide rail frame 71 is connected with the sliding block 73 in a sliding fit mode, the sliding block 73 is installed on the pushing frame 72, the middle of the lower end of the pushing frame 72 is provided with the pushing frame 75, the outer end of the pushing frame 72 is connected with the top end of the pushing cylinder 74, the pushing cylinder 74 is installed on the slide rail frame 71 through an underframe, the limiting frame 76 is installed at the upper end of the slide rail frame 71, and the structural characteristics, the working principle and the control method of the pushing cylinder 74 are all the prior art.
During the concrete work, dustproof frame 2 piles up in spacing frame 76, and only put a dustproof frame 2 in the promotion frame 72, during the equipment, promote cylinder 74 and drive promotion frame 72 inward movement, at this moment, two draw-in grooves on the shell 21 and two fixture blocks on the concatenation shell 31 dock, simultaneously, sleeve 4 embolias the cover and establishes in the section of thick bamboo 22, later, support frame 75 and touch L frame 63 and continue to remove, adjustable rack 62 is because there is not L spacing of frame 63, thereby two adjustable rack 62 fall down in opposite direction and keep away from the lower extreme of pushing frame 72, avoided adjustable rack 62 to block the motion that promotes frame 72, continue to remove until two joint 23 blocks in spacing frame 32.
Promote the upper end outside of frame 72 be equipped with the division board, the dustproof frame 2 of top drops when the dustproof frame 2 of below is avoided removing the equipment to the division board, evenly is equipped with the gyro wheel through the round pin axle on the division board, reduces the friction.
Conveyor 8 include connecting block 81, place frame 82, two rotate motor 83, two pivot 84, two upper plates 85, two hypoplastron 86 and two link boards 87, it places frame 82 to install through connecting block 81 on the thrust unit 7 that is located the bottom plate right side, it is equipped with two and separates the fluting to place the front and back both ends at frame 82 middle part, it has rotate motor 83 to place the front and back both ends of frame 82 through pedestal mounting, install pivot 84 on the output shaft of rotating motor 83, the middle part of pivot 84 is passed through the bearing and is installed on link board 87, link board 87 is installed on placing frame 82, upper plate 85 is installed to the upper end of pivot 84, upper plate 85 is located and separates the fluting, hypoplastron 86 is installed to the bottom of pivot 84, the structural feature of rotating motor 83, the theory of operation and control method are prior.
During specific work, the cutting frames 3 are stacked in the placing frame 82, one cutting frame 3 is placed between the two upper plates 85 and the two lower plates 86, the cutting frame 3 is located at the lowest position, the cutting frame 3 is used for current assembly, after the assembly is completed, when the two rotating motors 83 rotate in opposite directions by one hundred eighty degrees, the assembled cutting frame 3 at the lowest position falls down, the two rotating motors 83 continue to rotate in opposite directions by ninety degrees, the cutting frame 3 at the upper position can fall down, at the moment, one cutting frame 3 is placed on the two lower plates 86, the two rotating motors 83 continue to rotate in opposite directions by ninety degrees, the two upper plates 85 separate the stack of the cutting frames 3, the conveying device 8 limits the stacked cutting frames 3, the cutting frames 3 are separated, and only one cutting frame 3 is ensured to fall into the conveying frame 65.
The placing frame 82 is of a cross structure, the left end of the placing frame 82 is of an opening structure, the inside of the placing frame 82 is of a hollow structure, and the cutting frame 3 can be smoothly stacked.
The upper plate 85 and the lower plate 86 are in a semicircular structure with the same size, the position between the upper plate 85 and the lower plate 86 is arranged at ninety degrees, and the distance between the upper plate 85 and the lower plate 86 is the thickness of the splicing shell 31, so that the separation and the conveying of the cutting frames 3 are facilitated.
The production method of the antibacterial preservative film specifically comprises the following steps:
s1, selecting raw materials: screening plastic particles through a 20-200-mesh sieve, wherein the plastic particles are polylactic acid particles;
s2, melting: adding the polylactic acid particles screened in the S1 into a reactor, controlling the temperature at 165-185 ℃, and melting the target particles into a molten state under the stirring condition;
s3, extrusion casting, namely putting the mixed molten liquid in the S2 into an SG-2L 500 casting machine of a T-shaped opening film for working so as to extrude a melt film;
s4, cooling: tightly attaching the melt film extruded in the S3 to a cooling roller for cooling, wherein the temperature of the cooling roller is controlled at 20-30 ℃;
s5, corona treatment: carrying out corona treatment on the plastic film obtained by cooling in the S4 by a QS-YT50 corona treatment machine;
s6, cutting waste edges and sleeving: cutting off waste edges on two sides of the plastic film obtained in the step S5, then winding the cut plastic film by a 1200-type winding machine, and then sleeving the plastic film into the sleeve 4 for conveying;
s7, conveying: sequentially placing the preservative film rolls 1 in the S6 on the placing device 6, and driving the placed preservative film rolls 1 to be sequentially conveyed by the belt conveyor 5;
s8, assembling the casing: when the preservative film roll 1 is conveyed to a working position, the conveying is stopped, the two pushing devices 7 drive the two dustproof frames 2 to move oppositely, the conveying device 8 drives the cutting frame 3 to move downwards, the two dustproof frames 2 and the cutting frame 3 are mutually clamped and connected to carry out casing processing on the periphery of the preservative film roll 1, and then discharging is carried out;
s9, packaging: and (5) performing film covering and packaging on the outer surface of the preservative film roll 1 sleeved at S8.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a production method of antibiotic plastic wrap, this production method of antibiotic plastic wrap is mainly by plastic wrap book (1), two dustproof frame (2), cut off frame (3) and sleeve (4) and cooperate the completion, its characterized in that: the left side and the right side of the lower end of the cutting frame (3) are clamped with two dustproof frames (2), a sleeve (4) is sleeved between the two dustproof frames (2), and the preservative film roll (1) is sleeved on the sleeve (4);
the dustproof frame (2) comprises a shell (21), a sleeving barrel (22), two clamping joints (23) and a return spring (24), the sleeving barrel (22) is installed in the middle of the inner wall of the shell (21), two clamping grooves are formed in the upper end of the shell (21), the front side and the rear side of the outer end of the shell (21) are connected with the two clamping joints (23) in a sliding fit mode, and the clamping joints (23) are connected with the shell (21) through the return spring (24);
the cutting frame (3) comprises a splicing shell (31), two limiting frames (32), two pressing blocks (34), a main spring (35), a guide rod (36), a connecting spring (37), two cutters (38) and two pressed columns (39), wherein backing plates are uniformly arranged at the upper end of the splicing shell (31), two clamping blocks are arranged on the front side and the rear side of the lower end of the splicing shell (31), the two limiting frames (32) are arranged on the left side and the right side of the lower end of the splicing shell (31), two matching blocks are arranged on the front side and the rear side of the splicing shell (31), the inside of the splicing shell (31) is connected with the two pressing blocks (34) in a sliding fit manner, the pressing blocks (34) are connected with the inner wall of the splicing shell (31) through the main spring (35), the right end of the splicing shell (31) is connected with the guide rod (36) in a sliding fit manner, the connecting spring (37) is connected between the guide rod (36) and the splicing shell, the inner part of the splicing shell (31) is connected with a cutter (38) in a sliding fit mode, and a compression column (39) is arranged on the cutter (38);
the upper end of the pressing block (34) is provided with a guide column, the right end of the pressing block (34) is provided with a sliding groove, the pressed column (39) is positioned in the sliding groove, and the inside of the pressing block (34)) is connected with the cutter (38) through a built-in spring;
the guide rod (36) is of a pi-shaped structure, two symmetrical grooves are formed in the guide rod (36), the symmetrical grooves are of a V-shaped structure, and two extrusion blocks are arranged on the inner wall of the guide rod (36);
the production method comprises the steps of relating to a casting machine, a corona treatment machine and a winding machine in the production process of the antibacterial preservative film, and further comprising special production equipment for the antibacterial preservative film, wherein the special production equipment for the antibacterial preservative film comprises a bottom plate, a belt conveyor (5), a placing device (6), two pushing devices (7) and a conveying device (8), the belt conveyor (5) is installed in the middle of the bottom plate, the placing device (6) is uniformly arranged on the belt conveyor (5), the two pushing devices (7) are installed on the left side and the right side of the front end of the bottom plate, and the conveying device (8) is installed on the pushing device (7) on the right side of the bottom plate;
the production method of the antibacterial preservative film specifically comprises the following steps:
s1, selecting raw materials: screening plastic particles through a 20-200-mesh sieve, wherein the plastic particles are polylactic acid particles;
s2, melting: adding the polylactic acid particles screened in the S1 into a reactor, controlling the temperature at 165-185 ℃, and melting the target particles into a molten state under the stirring condition;
s3, extrusion casting, namely putting the mixed molten liquid in the S2 into an SG-2L 500 casting machine of a T-shaped opening film for working so as to extrude a melt film;
s4, cooling: tightly attaching the melt film extruded in the S3 to a cooling roller for cooling, wherein the temperature of the cooling roller is controlled at 20-30 ℃;
s5, corona treatment: carrying out corona treatment on the plastic film obtained by cooling in the S4 by a QS-YT50 corona treatment machine;
s6, cutting waste edges and sleeving: cutting off waste edges on two sides of the plastic film obtained in the step S5, then winding the cut plastic film by a 1200-type winding machine, and then sleeving the plastic film into the sleeve (4) and conveying the plastic film;
s7, conveying: sequentially placing the preservative film rolls (1) in the S6 on a placing device (6), and driving the placed preservative film rolls (1) to be sequentially conveyed by a belt conveyor (5);
s8, assembling the casing: the conveying is stopped when the preservative film roll (1) is conveyed to a working position, the two pushing devices (7) drive the two dustproof frames (2) to move oppositely, the conveying device (8) drives the cutting frame (3) to move downwards, the two dustproof frames (2) and the cutting frame (3) are mutually clamped to carry out casing processing on the periphery of the preservative film roll (1), and then discharging is carried out;
s9, packaging: and (5) performing film covering and packaging on the outer surface of the preservative film roll (1) sleeved at S8.
2. The production method of the antibacterial preservative film according to claim 1, characterized in that the placing device (6) comprises a fixed block (61), two adjustable placing racks (62), two L racks (63), a strong spring (64) and a conveying frame (65), two in-out grooves are formed in the fixed block (61), the two adjustable placing racks (62) are mounted at the left end and the right end of the fixed block (61) through pin shafts, the in-out grooves are connected with the L rack (63) through the strong spring (64), the initial positions of the L racks (63) are tightly attached to the inner wall of the adjustable placing racks (62), the conveying frame (65) is arranged behind the adjustable placing racks (62), and the conveying frame (65) is mounted on the belt conveyor (5).
3. The method for producing an antibacterial plastic wrap according to claim 1, wherein: thrust unit (7) including slide rail frame (71), promote frame (72), sliding block (73), promote cylinder (74), support frame (75) and spacing frame (76), slide rail frame (71) is through the pedestal mounting on the bottom plate, link to each other with sliding block (73) through sliding fit's mode on slide rail frame (71), sliding block (73) are installed on promoting frame (72), the lower extreme mid-mounting that promotes frame (72) supports frame (75), the outer end that promotes frame (72) links to each other with promoting cylinder (74) top, promote cylinder (74) and install on slide rail frame (71) through the chassis, spacing frame (76) are installed to the upper end of slide rail frame (71).
4. The method for producing an antibacterial plastic wrap according to claim 1, wherein: conveyor (8) including connecting block (81), place frame (82), two rotate motor (83), two pivot (84), two upper plates (85), two hypoplastron (86) and two link board (87), it places frame (82) to install through connecting block (81) on thrust unit (7) that is located the bottom plate right side, both ends are equipped with two around placing frame (82) middle part and separate the fluting, both ends have rotation motor (83) through pedestal mounting around placing frame (82), install pivot (84) on the output shaft of rotation motor (83), the middle part of pivot (84) is passed through the bearing and is installed on linking board (87), link board (87) and install on placing frame (82), upper plate (85) are installed to the upper end of pivot (84), upper plate (85) are located and separate the fluting, hypoplastron (86) are installed to the bottom of pivot (84).
5. The method for producing an antibacterial plastic wrap according to claim 4, wherein: the placing frame (82) is of a cross structure, the left end of the placing frame (82) is of an open structure, and the inside of the placing frame (82) is of a hollow structure.
6. The method for producing an antibacterial plastic wrap according to claim 4, wherein: the upper plate (85) and the lower plate (86) are of semicircular structures with the same size, the position between the upper plate (85) and the lower plate (86) is arranged at ninety degrees, and the distance between the upper plate (85) and the lower plate (86) is the thickness of the splicing shell (31).
7. The method for producing an antibacterial plastic wrap according to claim 3, characterized in that: and a division plate is arranged on the outer side of the upper end of the pushing frame (72), and rollers are uniformly arranged on the division plate through pin shafts.
CN201910348303.5A 2019-04-28 2019-04-28 Production method of antibacterial preservative film Active CN110054016B (en)

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CN113601812B (en) * 2021-09-30 2024-02-23 江苏宏远新材料科技有限公司 Medical antibacterial polyurethane film production forming device

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CN2937004Y (en) * 2006-08-08 2007-08-22 冷静 Electric cut type cling wrap box
CN1911757A (en) * 2006-08-08 2007-02-14 冷静 Antistaling film box with cutting function
JP3153786U (en) * 2009-07-08 2009-09-17 政権 樓 Roll sheet feeding case
CN203997198U (en) * 2014-06-11 2014-12-10 营口市笑家族实业有限公司 Box-packed some cut off type freshness-retaining film
CN204137417U (en) * 2014-09-04 2015-02-04 叶建雄 A kind of preservative film boxing device
CN204400287U (en) * 2014-12-09 2015-06-17 郭家庆 The shearing Wrapping case of the foldable formed sliding cutter of plastic sheet
CN204980558U (en) * 2015-05-16 2016-01-20 周志岳 Preservative film cutting box
CN207329921U (en) * 2017-08-10 2018-05-08 向敏 A kind of Wrapping case of easy disassembly

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