CN112873803A - Production method of polyethylene film - Google Patents

Abstract

The invention relates to a polyethylene film production method, which adopts the following polyethylene film production equipment, wherein the polyethylene film production equipment comprises a fixed base, a transmission device and a cutting device; the lower end face of the fixed base is arranged on the ground, a cutting device is arranged at a position, close to the front end face, of the fixed base, and a transmission device is arranged at a position, close to the rear end face, of the fixed base. The invention drives and cuts a plurality of groups of films through the driving device and the cutting device, thereby accelerating the working efficiency; the film cutting position is clamped and tightened by the clamping plate and then cut, so that the film is prevented from moving in the re-cutting process, and the cutting quality is guaranteed.

Description

Production method of polyethylene film

Technical Field

The invention relates to the field of polyethylene films, in particular to a production method of a polyethylene film.

Background

Polyethylene film refers to a film produced from PE particles. The PE film has moisture resistance and small moisture permeability, and the polyethylene film can be used for manufacturing products with different properties such as low-density, medium-density and high-density polyethylene, crosslinked polyethylene and the like according to different manufacturing methods and control means; the polyethylene film is made by adding dried polyethylene particles into a lower hopper, feeding the particles into a screw rod from the hopper by the weight of the particles, and pushing the plastic particles forwards by the rotating inclined edge to generate a thrust force perpendicular to the inclined edge surface on the plastic after the particles are contacted with the inclined edge of the screw thread; the molten plastic is removed with impurities by a filter screen of the machine head and comes out from a die head die orifice, and is pressed by a herringbone plate to form a film after being blown and cooled by an air ring.

The film needs to be transmitted, rolled and cut after being produced, but the following problems exist in the rolling and cutting processes:

(1) in the process of transmitting, winding and cutting the film, only one group of films can be transmitted, wound and cut at a time, if the production capacity of the film is large, the working efficiency of the machine cannot keep pace with the production efficiency, so that a plurality of machines need to be added to work simultaneously, and the cost is improved;

(2) when the film is cut, the film has certain elasticity, so that the film is easy to move during cutting, the cutting is unchanged, and the cutting quality is poor.

In order to solve the problems, the invention provides a production method of a polyethylene film.

Disclosure of Invention

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a polyethylene film production method adopts the following polyethylene film production equipment, and the polyethylene film production equipment comprises a fixed base, a transmission device and a cutting device; the lower end face of the fixed base is arranged on the ground, a cutting device is arranged at the position, close to the front end face, of the fixed base, and a transmission device is arranged at the position, close to the rear end face, of the fixed base;

the fixed base comprises support columns, a front baffle, a rear baffle and a mounting plate, the support columns are uniformly arranged on the lower end surfaces of the front baffle, the rear baffle and the mounting plate in a linear distribution manner, the lower end surfaces of the support columns are connected with the ground, the rear end surface of the mounting plate is connected with the lower side of the front end surface of the front baffle, and a rectangular hole is formed in the front end surface of the front baffle;

the transmission device comprises a mounting frame, a rotating motor, a connecting shaft, a transmission shaft, a driving gear, a transmission gear, a first transmission belt, a second transmission belt, a transmission mechanism, a third transmission belt, a first transmission roller and a baffle plate, wherein the mounting frame is arranged on the upper side of the rear end surface of the rear baffle plate close to the left end surface, the mounting frame is of a structure with a shape of '21274', the opening of the inner wall of the rear side of the mounting frame is towards the front end, the rotating motor is arranged on the inner wall of the rear side of the mounting frame through a motor base, a plurality of groups of transmission holes are symmetrically arranged on the front end surface of the rear baffle plate from top to bottom, the distance between each group of transmission holes is reduced from top to bottom, the transmission holes are connected with the outer wall of the transmission shaft after being in a rotating fit mode, the connecting holes are arranged under, the outer wall of the connecting shaft is fixedly sleeved with a driving gear which is in meshing transmission with a corresponding transmission gear, the transmission gear is fixedly sleeved on the outer wall of the transmission shaft, the outer wall of the transmission shaft between the rear baffle and the transmission gear is connected through a first transmission belt, the transmission shaft and the connecting shaft which are close to the left end face of the rear baffle are connected through a second transmission belt, the connecting shaft on the left side at the lowest part is connected with a transmission mechanism through a third transmission belt, the connecting shaft and the outer wall of the transmission shaft which are positioned between the front baffle and the rear baffle are fixedly sleeved with a first transmission roller, the outer wall of the first transmission roller is attached to the outer wall of the film, a partition plate is arranged between the transmission shaft and the connecting shaft, the partition plate is installed between the front baffle and the rear baffle, and the front ends of; when the machine works, after the film is manufactured by the existing machine, the output shaft of the rotating motor drives the corresponding connecting shaft to rotate in the forward direction, the connecting shaft rotates in the forward direction to drive the driving gear to rotate in the forward direction, the driving gear rotates in the forward direction to drive the corresponding transmission gear to rotate in the reverse direction, the driving gears on all the connecting shafts are driven to rotate in the forward direction and the transmission gears on the transmission shafts are driven to rotate in the reverse direction through the connection between the upper and lower corresponding connecting shafts and the transmission shafts through the second transmission belts and the connection between the left and right corresponding transmission shafts through the first transmission belts, the connecting shafts and the transmission shafts drive the first transmission rollers to rotate, thereby simultaneously transmitting a plurality of groups of films and quickening the working efficiency, after the first transmission roller drives the films to move to the lower position, meanwhile, the third transmission belt drives the transmission mechanism to start, and then the transmission mechanism drives the plurality of groups of films to move.

The cutting device comprises a side plate, a telescopic cylinder, a supporting telescopic rod, a control box, an L-shaped frame, a transmission motor, an electric push rod, a clamping plate and a cutting knife, wherein the side plate is arranged on the upper end surface of a mounting plate close to the front end surface, the position of the side plate corresponds to the position of a rectangular hole, cylinder holes are equidistantly formed in the upper side of the front end surface of the side plate from left to right, the inner part of the cylinder hole in the middle is connected with the outer wall of a fixed part of the telescopic cylinder, the supporting telescopic rod is arranged in the cylinder holes on the left side and the right side, the telescopic end of the supporting telescopic rod and the telescopic end of the telescopic cylinder are both connected with the front end surface of the control box, the control box is of a rectangular structure, a rectangular hole is arranged in the middle of the rear end surface of the rectangular box, the L-shaped frame is arranged, the output shaft that rotates the motor sets up downtheholely at the motor through rotating the connected mode, and the fixed orifices has all been seted up at L shape frame outside terminal surface middle part, and the removal hole has all been seted up to corresponding position in both ends and the fixed orifices about the control box, all installs electric putter in the fixed orifices, and electric putter's flexible end outer wall is connected in sliding fit mode and the removal hole, and pinch-off blades and cutting knife are all installed through sliding fit mode to the control box rear end face left and right sides. The during operation, when the film of certain thickness of wind-up roll coiling, telescopic cylinder starts, telescopic cylinder's flexible end and the flexible end of supporting the telescopic link drive the control box and move backward, remove to the film position through the rectangular hole, rethread drive machine starts, drive machine's output shaft drives two-way threaded rod and rotates, be connected through the screw thread with two-way threaded rod through the screw hole on the pinch-off blades, two-way threaded rod rotates and drives the pinch-off blades and slide to the centre from the left and right sides, rethread pinch-off blades move to the centre and press from both sides the multiunit film tightly, electric putter starts, electric putter's output drives the cutting knife and removes from both sides to the centre simultaneously, film to setting up.

The method for producing the polyethylene film by using the polyethylene film production equipment comprises the following steps:

s1, equipment checking: before the polyethylene film production equipment is started to produce the polyethylene film, the operation of the equipment is checked;

s2, film conveying: conveying a plurality of groups of manufactured thin films simultaneously through a transmission device;

s3, winding and collecting: the film is moved and conveyed to a winding position through a transmission mechanism, and the film is wound and collected through a winding roller;

s4, cutting the film: when the winding roller winds a film with a certain thickness, a plurality of groups of films are simultaneously cut through a cutting device, and when the wound film is taken down by workers, a new winding roller is placed;

preferably, the transmission mechanism comprises a second transmission roller, a left shaft, a right shaft, a first gear, a second gear, a fourth transmission belt, a winding fixture block and a winding roller, a round hole is formed in the lower side of the front end face of the rear baffle plate and gradually inclines to the left from the top to the bottom, mounting holes are formed in the position, located on the right, of the front end face of the rear baffle plate, the mounting holes are connected with the outer wall of the right shaft in a rotating fit mode, the round hole is connected with the outer wall of the left shaft in a rotating fit mode, the outer wall of the left shaft on the leftmost side is connected with a corresponding connecting shaft through a third transmission belt, the left shaft and the right shaft are arranged in a bilateral symmetry mode, the position, close to the rear end, of the outer wall of the left shaft is fixedly sleeved with the first gear, the first gear is meshed with the second gear for transmission, the outer wall of the right shaft is fixedly sleeved, second driving roller outer wall and film are laminated mutually, left side axle and right side axle front end all are connected with the rear end face of preceding baffle through the normal running fit mode, the coiling hole has all been seted up to the terminal surface before the backplate below being located the left side axle, the coiling groove has been seted up to preceding baffle rear end face and coiling hole looks corresponding position, the coiling hole is all rotated with the coiling inslot and is installed the rolling fixture block, the rolling fixture block outer wall of front side is close to rear end face position and all is connected with left side axle outer wall through the fourth drive belt, through demountable installation there is the wind-up roll between the rolling fixture block. When the film winding machine works, when the first driving roller drives the film to move to the lower position, the connecting shaft rotates the third driving belt in the forward direction to drive the leftmost left shaft to rotate in the forward direction, the left shaft rotates to drive the first gear to rotate, the first gear is meshed with the second gear to drive the second gear to rotate in the reverse direction, all the left shaft rotates in the forward direction and all the right shaft rotate in the reverse direction to drive the second driving roller to rotate, so that multiple groups of films are continuously transmitted, the films are moved to the winding clamping block position, meanwhile, the winding clamping block rotates through the fourth driving belt and the left shaft, the winding clamping block rotates to drive the winding roller to rotate, so that the films are wound through the winding roller, and when the winding roller winds the films with certain thickness, multiple groups of films are simultaneously cut through the cutting device.

Preferably, the rear portion of the winding clamping block is of a round rod structure, the front portion of the winding clamping block is of a disc structure, a mounting groove is formed in the middle of the front end face of the disc structure, and the front end and the rear end of the winding roller are mounted in the mounting groove in a detachable mode. The wind-up roll is conveniently taken down and installed through the installation groove.

Preferably, clamp plate outside terminal surface middle part all seted up and set up the hole, the interlock hole has all been seted up to clamp plate outside terminal surface front side, the interlock hole with set up the hole and be linked together, clamp plate outside terminal surface is located the interlock hole and all has seted up threaded hole, the screw thread opposite direction of two screw holes, Contraband shape hole has all been seted up to clamp plate front end surface, the clamp plate front portion all is through sliding fit mode and control box upper end, the lower extreme, rear end face and the inside being connected of control box, the sheet rubber is evenly installed to clamp plate medial surface, guarantee the tight steadiness of clamp plate film clamp through the sheet rubber, prevent when the cutting, the film slides.

Preferably, the cutting knife be the rectangular structure, the cutting knife inboard is the sawtooth structure, the cutting knife front end is protruding rectangle structure, the cutting knife front end all is connected with electric putter's flexible end, the cutting knife outer wall all sets up downtheholely setting through the sliding fit mode, the cutting knife front end slides and sets up in the interlock hole, cuts the film through the convenient pair of sawtooth structure.

Preferably, the inner wall of the left end face of the control box is provided with a bidirectional threaded rod in a rotation fit mode, the right end face of the bidirectional threaded rod is connected with the output end of the transmission motor, the bidirectional threaded rod is connected with the inner part of the threaded hole in a thread fit mode, and the middle part of the front end face of the clamping plate is connected with the inner part of the control box in a sliding fit mode.

The invention has the beneficial effects that:

1. the invention drives and cuts a plurality of groups of films through the driving device and the cutting device, thereby accelerating the working efficiency; the film cutting position is clamped and tightened by the clamping plate and then cut, so that the film is prevented from moving in the re-cutting process, and the cutting quality is guaranteed.

2. The transmission device designed by the invention drives the driving gears on all the connecting shafts to transmit in a forward direction and the transmission gears on the transmission shafts to rotate in a reverse direction through the connection between the upper corresponding connecting shafts and the lower corresponding connecting shafts and the transmission shafts and the left corresponding transmission shafts and the right corresponding transmission shafts through the first transmission belts, the connecting shafts and the transmission shafts drive the first transmission rollers to rotate, and after the first transmission rollers drive the films to move to the lower position, the third transmission belts drive the transmission mechanisms to start at the same time, and then the transmission mechanisms drive the multiple groups of films to move, so that the multiple groups of films are transmitted at the same time, and the working efficiency is improved.

3. The middle parts of the end faces of the outer sides of the clamping plates are provided with the arrangement holes, the outer walls of the cutting knives are arranged in the arrangement holes in a sliding fit mode, the bidirectional threaded rods rotate to drive the clamping plates to slide from the left side and the right side to the middle, the clamping plates move to the middle to clamp a plurality of groups of films, the cutting knives simultaneously move from the two sides to the middle to cut the films between the arrangement holes, the films are prevented from moving in the re-cutting process, and therefore the cutting quality is guaranteed.

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 perspective view of the present invention;

FIG. 3 is a schematic perspective view of the transmission of the present invention;

FIG. 4 is a top view of the present invention;

FIG. 5 is a rear cross-sectional view of the present invention;

FIG. 6 is a sectional view taken along line A-A of FIG. 4 in accordance with the present invention;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 4 in accordance with the present invention;

FIG. 8 is a cross-sectional view taken along line C-C of FIG. 4 in accordance with the present invention;

FIG. 9 is an enlarged fragmentary view at D of FIG. 4 of the present invention;

FIG. 10 is a perspective view of the winding latch of the present invention;

FIG. 11 is a perspective view of the cutting burr of the present invention;

fig. 12 is a perspective view of a clamping plate 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 as defined and covered by the claims.

As shown in fig. 1 to 12, a polyethylene film production method using a polyethylene film production apparatus including a fixing base 1, a driving device 2, and a cutting device 3; the lower end face of the fixed base 1 is arranged on the ground, the cutting device 3 is arranged at the position, close to the front end face, of the fixed base 1, and the transmission device 2 is arranged at the position, close to the rear end face, of the fixed base 1;

the fixed base 1 comprises supporting columns 11, a front baffle 12, a rear baffle 13 and a mounting plate 14, the supporting columns 11 are uniformly arranged on the lower end surfaces of the front baffle 12, the rear baffle 13 and the mounting plate 14 in a linear distribution manner, the lower end surfaces of the supporting columns 11 are connected with the ground, the rear end surface of the mounting plate 14 is connected with the lower side of the front end surface of the front baffle 12, and a rectangular hole 1a is formed in the front end surface of the front baffle 12;

the transmission device 2 comprises an installation frame 21, a rotating motor 22, a connecting shaft 23, a transmission shaft 24, a driving gear 25, a transmission gear 26, a first transmission belt 27, a second transmission belt 28, a transmission mechanism 29, a third transmission belt 210, a first transmission roller 211 and a partition plate 212, wherein the installation frame 21 is installed at the position, close to the left end face, of the upper side of the rear end face of the rear baffle 13, the installation frame 21 is of a structure with an opening facing to the front end, the rotating motor 22 is installed on the inner wall of the rear side of the installation frame 21 through a motor base, a plurality of groups of transmission holes are symmetrically formed in the front end face of the rear baffle 13 from top to bottom, the distance between each group of transmission holes is reduced from top to bottom, the transmission holes are connected with the outer wall of the transmission shaft 24 in a rotating matching mode, connecting holes are formed in the front end face of the, the rear end of the connecting shaft 23 on the right side at the top is connected with the output shaft of the rotating motor 22, the outer wall of the connecting shaft 23 near the rear end is fixedly sleeved with a driving gear 25, the driving gear 25 is engaged with a corresponding transmission gear 26 for transmission, the transmission gear 26 is fixedly sleeved on the outer wall of the transmission shaft 24, the outer wall of the transmission shaft 24 between the rear baffle 13 and the transmission gear 26 is connected through a first transmission belt 27, the transmission shaft 24 and the connecting shaft 23 near the left end surface of the rear baffle 13 are connected through a second transmission belt 28, the connecting shaft 23 on the left side at the bottom is connected with a transmission mechanism 29 through a third transmission belt 210, the connecting shaft 23 and the outer wall of the transmission shaft 24 between the front baffle 12 and the rear baffle 13 are fixedly sleeved with a first transmission roller 211, the outer wall of the first transmission roller 211 is attached to the, the partition plate 212 is arranged between the front baffle plate 12 and the rear baffle plate 13, and the front ends of the transmission shaft 24 and the connecting shaft 23 are connected with the rear end surface of the front baffle plate 12 in a rotating fit manner; when the film manufacturing machine works, after the film is manufactured by the existing machine, the output shaft of the rotating motor 22 drives the corresponding connecting shaft 23 to rotate in the forward direction, the connecting shaft 23 rotates in the forward direction to drive the driving gear 25 to rotate in the forward direction, the driving gear 25 rotates in the forward direction to drive the corresponding transmission gear 26 to rotate in the reverse direction, the driving shafts 23 and the transmission shafts 24 are connected through the second transmission belts 28, the transmission shafts 24 corresponding to the left and the right are connected through the first transmission belts 27, the driving gears 25 on all the connecting shafts 23 are driven to transmit in the forward direction and the transmission gears 26 on the transmission shafts 24 rotate in the reverse direction, the connecting shafts 23 and the transmission shafts 24 rotate to drive the first transmission rollers 211 to rotate, so that a plurality of groups of films are transmitted simultaneously, the working efficiency is accelerated, after the first transmission rollers 211 drive the films to move to the, and then the transmission mechanism 29 drives the plurality of groups of films to move. The transmission mechanism 29 comprises a second transmission roller 291, a left shaft 292, a right shaft 293, a first gear 294, a second gear 295, a fourth transmission belt 296, a winding fixture block 297 and a winding roller 298, a round hole is formed in the lower side of the front end face of the rear baffle plate and gradually inclines to the left from the top to the bottom, mounting holes are formed in the positions, located on the right side of the round hole, of the front end face of the rear baffle plate 13, the mounting holes are connected with the outer wall of the right shaft 293 in a rotating fit mode, the round hole is connected with the outer wall of the left shaft 292 in a rotating fit mode, the outer wall of the left shaft 292 on the leftmost side is connected with a corresponding connecting shaft 23 through a third transmission belt 210, the left shaft 292 and the right shaft 293 are symmetrically arranged in the left-right direction, the positions, close to the rear end, of the outer wall of the left shaft 292 are fixedly sleeved with the first gear 294, the first gear 294 are in meshed transmission with the second gear 295, the second gear 295 is fixedly sleeved on the, second driving roller 291 outer wall is laminated with the film mutually, left axle 292 and right axle 293 front end all are connected with the rear end face of preceding baffle 12 through the normal running fit mode, the coiling hole has all been seted up to the terminal surface below left axle 292 before backplate 13, the coiling groove has been seted up with coiling hole looks corresponding position to preceding baffle 12 rear end face, coiling hole and coiling inslot all rotate and install rolling fixture block 297, the rolling fixture block 297 outer wall of front side is close to rear end face position and all is connected with left axle 292 outer wall through fourth drive belt 296, have wind-up roll 298 through demountable installation between the rolling fixture block 297. Winding fixture block 297 rear portion be the round bar structure, winding fixture block 297 front portion is the disc structure, the mounting groove has been seted up at disc structure preceding terminal surface middle part, both ends are installed in the mounting groove through detachable mode around wind-up roll 298. The wind-up roll 298 is conveniently removed and installed through the installation groove. During operation, when first driving roller 211 drives the film and removes to the below position, connecting axle 23 forward rotation third drive belt 210 drives leftmost left axle 292 forward rotation simultaneously, left axle 292 rotates and drives first gear 294 to rotate, first gear all drives second gear 295 reverse rotation with second gear 295 meshing transmission, thereby all left axles 292 forward rotations and all right axles 293 reverse rotation drive second driving roller 291 and rotate, thereby continue the transmission to the multiunit film, move the film to rolling fixture block 297 position, rolling fixture block 297 all drives through fourth drive belt 296 and left axle 292 rotation simultaneously, rolling fixture block 297 rotates and drives rolling roller 298 to rotate, thereby rotate through rolling roller 298 and roll the film, when rolling roller 298 winds the film of certain thickness, cut multiunit film simultaneously through cutting device 3.

The cutting device 3 comprises a side plate 31, a telescopic cylinder 32, a supporting telescopic rod 33, a control box 34, an L-shaped frame 35, a transmission motor 36, an electric push rod 37, a clamping plate 38 and a cutting knife 39, wherein the side plate 31 is arranged on the upper end surface of the mounting plate 14 close to the front end surface, the position of the side plate 31 corresponds to the position of the rectangular hole 1a, cylinder holes are formed in the upper side of the front end surface of the side plate 31 from left to right at equal intervals, the inner part of the cylinder hole in the middle is connected with the outer wall of a fixed part of the telescopic cylinder 32, the supporting telescopic rods 33 are arranged in the cylinder holes on the left side and the right side, the telescopic ends of the supporting telescopic rods 33 and the telescopic ends of the telescopic cylinder 32 are both connected with the front end surface of the control box 34, the control box 34 is of a rectangular structure, a rectangular hole is arranged in the middle of the rear end, the right end face of the control box 34 is provided with a motor hole corresponding to the transmission motor 36, an output shaft of the rotating motor 22 is arranged in the motor hole in a rotating connection mode, the inner wall of the left end face of the control box 34 is provided with a bidirectional threaded rod 341 in a rotating fit mode, the right end face of the bidirectional threaded rod 341 is connected with the output end of the transmission motor 36, the bidirectional threaded rod 341 is connected with the inner part of the threaded hole 3c in a threaded fit mode, and the middle part of the front end face of the clamping plate 38 is connected with the inner part of the control box 34 in a sliding. The fixed orifices has all been seted up at L shape frame 35 outside terminal surface middle part, and the removal hole has all been seted up with the corresponding position in the fixed orifices at both ends about control box 34, all installs electric putter 37 in the fixed orifices, and electric putter 37's flexible end outer wall is connected in with the removal hole through the sliding fit mode, and pinch plate 38 and cutting knife 39 are all installed through the sliding fit mode to the control box 34 rear end face left and right sides. During operation, when the wind-up roll 298 convolutes the film of certain thickness, telescopic cylinder 32 starts, telescopic cylinder 32's the flexible end and the flexible end that supports telescopic link 33 drive control box 34 backward movement, move to the film position through rectangular hole 1a, rethread drive motor 36 starts, drive motor 36's output shaft drives two-way threaded rod 341 and rotates, be connected through the screw thread with two-way threaded rod 341 through screw hole 3c on the pinch-off blades 38, two-way threaded rod 341 rotates and drives pinch-off blades 38 and slide to the centre from the left and right sides, rethread pinch-off blades 38 move to the centre and press from both sides tight multiunit film, electric putter 37 starts, electric putter 37's output drives cutting knife 39 and moves from both sides to the centre simultaneously, cut the film that sets up between the hole 3 a.

Clamping plate 38 outside terminal surface middle part all seted up and set up hole 3a, interlock hole 3b has all been seted up to clamping plate 38 outside terminal surface front side, interlock hole 3b is linked together with setting up hole 3a, clamping plate 38 outside terminal surface is located interlock hole 3b and all has seted up screw hole 3c, the screw thread opposite direction of two screw holes 3c, Contraband shape hole 3d has all been seted up to clamping plate 38 preceding terminal surface, clamping plate 38 is anterior all through sliding fit mode and control box 34 upper end, the lower extreme, rear end face and the inside being connected of control box 34, rubber piece 381 is evenly installed to clamping plate 38 medial surface, guarantee the tight steadiness of clamping plate 38 film clamp through rubber piece 381, prevent when the cutting, the film slides.

Cutting knife 39 be rectangular structure, cutting knife 39 inboard is the sawtooth structure, cutting knife 39 front end is protruding rectangle structure, cutting knife 39 front end all is connected with electric putter 37's flexible end, cutting knife 39 outer wall all sets up in setting up hole 3a through sliding fit, cutting knife 39 front end slides and sets up in interlock hole 3b, cuts the film through the convenient pair of sawtooth structure.

The method for producing the polyethylene film by using the polyethylene film production equipment comprises the following steps:

s1, equipment checking: before the polyethylene film production equipment is started to produce the polyethylene film, the operation of the equipment is checked;

s2, film conveying: the output shaft of the rotating motor 22 of the transmission device drives the corresponding connecting shafts 23 to rotate forward, the connecting shafts 23 rotate forward to drive the driving gears 25 to rotate forward, the driving gears 25 rotate forward to drive the corresponding transmission gears 26 to rotate reversely, the driving gears 25 on all the connecting shafts 23 are driven to transmit forward and the transmission gears 26 on the transmission shafts 24 to rotate reversely by the connection between the corresponding connecting shafts 23 and the transmission shafts 24 through the second transmission belts 28 and the connection between the corresponding transmission shafts 24 on the left and right through the first transmission belts 27, and the connecting shafts 23 and the transmission shafts 24 rotate to drive the first transmission rollers 211 to rotate, so that a plurality of groups of films are transmitted simultaneously;

s3, winding and collecting: when the first transmission roller 211 drives the film to move to the lower position, the connecting shaft 23 rotates the third transmission belt 210 in the forward direction to drive the leftmost left shaft 292 to rotate in the forward direction, the left shaft 292 rotates to drive the first gear 294 to rotate, the first gear is meshed with the second gear 295 to drive the second gear 295 to rotate in the reverse direction, so that all the left shafts 292 rotate in the forward direction and all the right shafts 293 rotate in the reverse direction to drive the second transmission roller 291 to rotate, the multiple groups of films are continuously transmitted, the films are moved to the position of the winding fixture block 297, meanwhile, the winding fixture block 297 is driven to rotate by the fourth transmission belt 296 and the left shaft 292, the winding fixture block 297 rotates to drive the winding roller 298 to rotate, and the films are wound by the rotation of the winding roller 298;

s4, cutting the film: the flexible end of telescopic cylinder 32 and the flexible end that supports telescopic link 33 drive control box 34 and move backward, move to the film position through rectangular hole 1a, output shaft drive two-way threaded rod 341 through driving motor 36 rotates, be connected through the screw thread with two-way threaded rod 341 through the screw hole 3c on the grip block 38, two-way threaded rod 341 rotates and drives grip block 38 and slide to the centre from the left and right sides, rethread grip block 38 moves to the centre and presss from both sides the multiunit film tightly, electric putter's 37 output drives cutting knife 39 and moves from both sides to the centre simultaneously, film to setting up between the hole 3a cuts, film that will convolute the completion through the staff is rolled up and is taken down, place new wind-up roll 298.

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 hereinafter claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A polyethylene film production method adopts the following polyethylene film production equipment, and the polyethylene film production equipment comprises a fixed base (1), a transmission device (2) and a cutting device (3); the method is characterized in that: the lower end face of the fixed base (1) is arranged on the ground, a cutting device (3) is arranged at the position, close to the front end face, of the fixed base (1), and a transmission device (2) is arranged at the position, close to the rear end face, of the fixed base (1);

the fixed base (1) comprises supporting columns (11), a front baffle (12), a rear baffle (13) and a mounting plate (14), the supporting columns (11) are uniformly arranged on the lower end faces of the front baffle (12), the rear baffle (13) and the mounting plate (14) in a linear distribution mode, the lower end face of each supporting column (11) is connected with the ground, the rear end face of the mounting plate (14) is connected with the lower side of the front end face of the front baffle (12), and a rectangular hole (1a) is formed in the front end face of the front baffle (12);

the transmission device (2) comprises a mounting frame (21), a rotating motor (22), a connecting shaft (23), a transmission shaft (24), a driving gear (25), a transmission gear (26), a first transmission belt (27), a second transmission belt (28), a transmission mechanism (29), a third transmission belt (210), a first transmission roller (211) and a partition plate (212), wherein the mounting frame (21) is arranged on the upper side of the rear end surface of the rear baffle plate (13) close to the left end surface, the mounting frame (21) is of a shape structure with an opening facing to the front end 21274, the rotating motor (22) is arranged on the inner wall of the rear side of the mounting frame (21) through a motor base, a plurality of groups of transmission holes are symmetrically arranged on the front end surface of the rear baffle plate (13) from top to bottom, the distance between each group of transmission holes is reduced from top to bottom, the transmission holes are connected with the outer wall of the transmission shaft (24) through a rotation, all be connected with connecting axle (23) outer wall through the normal running fit mode in the connecting hole, connecting axle (23) rear end on the top right side is connected with the output shaft that rotates motor (22), connecting axle (23) outer wall is close to the rear end position and all fixes the cover and is equipped with driving gear (25), driving gear (25) all meshes the transmission with corresponding drive gear (26), drive gear (26) are all fixed the cover and are established at transmission shaft (24) outer wall, be located transmission shaft (24) outer wall between backplate (13) and drive gear (26) and all be connected through first drive belt (27), be close to between transmission shaft (24) of backplate (13) left end face and all be connected through second drive belt (28) between connecting axle (23), left connecting axle (23) in the bottom is connected with drive mechanism (29) through third drive belt (210), be located between preceding baffle (12) and backplate (13) and all fixed the cover with transmission shaft (24) outer wall and establish The film packaging machine is provided with a first transmission roller (211), the outer wall of the first transmission roller (211) is attached to the outer wall of a film, partition plates (212) are arranged between a transmission shaft (24) and a connecting shaft (23), the partition plates (212) are arranged between a front baffle (12) and a rear baffle (13), and the front ends of the transmission shaft (24) and the connecting shaft (23) are connected with the rear end face of the front baffle (12) in a rotating fit mode;

the cutting device (3) comprises a side plate (31), a telescopic cylinder (32), a supporting telescopic rod (33), a control box (34), an L-shaped frame (35), a transmission motor (36), an electric push rod (37), a clamping plate (38) and a cutting knife (39), wherein the side plate (31) is arranged on the upper end surface of the mounting plate (14) close to the front end surface, the position of the side plate (31) corresponds to the position of the rectangular hole (1a), cylinder holes are formed in the upper side of the front end surface of the side plate (31) at equal intervals from left to right, the inner part of the cylinder hole in the middle part is connected with the outer wall of a fixed part of the telescopic cylinder (32), the supporting telescopic rods (33) are arranged in the cylinder holes on the left side and the right side, the telescopic ends of the supporting telescopic rods (33) and the telescopic ends of the telescopic cylinder (32) are both connected with the front end surface of the control box, the left end and the right end of the upper end face of the control box (34) are respectively provided with an L-shaped frame (35), the upper side of the inner wall of the L-shaped frame (35) on the right side is provided with a transmission motor (36), the right end face of the control box (34) is provided with a motor hole at a position corresponding to the transmission motor (36), an output shaft of a rotating motor (22) is arranged in the motor hole in a rotating connection mode, the middle of the outer end face of the L-shaped frame (35) is provided with a fixed hole, the left end and the right end of the control box (34) are provided with a moving hole at a position corresponding to the fixed hole, the fixed holes are respectively provided with an electric push rod (37), the outer wall of the telescopic end of the electric push rod (37) is connected with the moving hole in a sliding fit mode, and the left side;

the method for producing the polyethylene film by using the polyethylene film production equipment comprises the following steps:

s1, equipment checking: before the polyethylene film production equipment is started to produce the polyethylene film, the operation of the equipment is checked;

s2, film conveying: a plurality of groups of manufactured films are simultaneously conveyed through a transmission device (2);

s3, winding and collecting: the film is moved and conveyed to a winding position through a transmission mechanism (29), and the film is wound and collected through a winding roller (298);

s4, cutting the film: when the winding roller (298) winds a film with a certain thickness, a plurality of groups of films are simultaneously cut by the cutting device (3), and when the wound film is taken down by workers, a new winding roller (298) is placed.

2. A process for producing a polyethylene film according to claim 1, characterized in that: the transmission mechanism (29) comprises a second transmission roller (291), a left shaft (292), a right shaft (293), a first gear (294), a second gear (295), a fourth transmission belt (296), a winding fixture block (297) and a winding roller (298), wherein a round hole is formed in the lower side of the front end face of the rear baffle plate and gradually inclines to the left from top to bottom, mounting holes are formed in the positions, located on the right of the round hole, of the front end face of the rear baffle plate (13), the mounting holes are connected with the outer wall of the right shaft (293) in a rotating fit mode, the round holes are connected with the outer wall of the left shaft (292) in a rotating fit mode, the outer wall of the leftmost left shaft (292) is connected with a corresponding connecting shaft (23) through a third transmission belt (210), the left shaft (292) and the right shaft (293) are symmetrically arranged in a left-right mode, the position, close to the rear end, of the outer wall of the left shaft (292) is fixedly sleeved with the, second gear (295) fixed cover is established at right axle (293) outer wall, left side axle (292) and right axle (293) outer wall between baffle (12) and backplate (13) are located and are all fixed the cover and be equipped with second driving roller (291), second driving roller (291) outer wall is laminated with the film mutually, left side axle (292) and right axle (293) front end all are connected with the rear end face of preceding baffle (12) through the normal running fit mode, the preceding terminal surface of backplate (13) is located left axle (292) below and has all seted up the receipts roll hole, preceding baffle (12) rear end face has seted up the receipts roll groove with the corresponding position in rolling hole, all rotate in receipts roll hole and the receipts roll inslot and install rolling fixture block (297), fixture block rolling (297) outer wall of front side is close to rear end face position and all is connected with left axle (292) outer wall through fourth drive belt (296), there is wind-up roll (298) through demountable installation between rolling fixture block (297).

3. A process for producing a polyethylene film according to claim 2, characterized in that: rolling fixture block (297) rear portion be the round bar structure, rolling fixture block (297) front portion is the disc structure, the mounting groove has been seted up at the preceding terminal surface middle part of disc structure, both ends are installed in the mounting groove through detachable mode around wind-up roll (298).

4. A process for producing a polyethylene film according to claim 1, characterized in that: clamping plate (38) outside terminal surface middle part all seted up and set up hole (3a), interlock hole (3b) have all been seted up to clamping plate (38) outside terminal surface front side, interlock hole (3b) are linked together with setting up hole (3a), clamping plate (38) outside terminal surface is located interlock hole (3b) and all has seted up screw hole (3c), the screw thread opposite direction of two screw holes (3c), Contraband shape hole (3d) have all been seted up to clamping plate (38) preceding terminal surface, clamping plate (38) front portion all is through sliding fit mode and control box (34) upper end, the lower extreme, rear end face and control box (34) inside are connected, rubber piece (381) are evenly installed to clamping plate (38) medial surface.

5. A process for producing a polyethylene film according to claim 1, characterized in that: cutting knife (39) be the rectangular structure, cutting knife (39) inboard is the sawtooth structure, cutting knife (39) front end is protrusion rectangle structure, cutting knife (39) front end all is connected with the flexible end of electric putter (37), cutting knife (39) outer wall all sets up in setting up hole (3a) through sliding fit mode, cutting knife (39) front end slides and sets up in interlock hole (3 b).

6. A process for producing a polyethylene film according to claim 1, characterized in that: the inner wall of the left end face of the control box (34) is provided with a bidirectional threaded rod (341) in a rotating fit mode, the right end face of the bidirectional threaded rod (341) is connected with the output end of the transmission motor (36), the bidirectional threaded rod (341) is connected with the threaded hole (3c) in a threaded fit mode, and the middle of the front end face of the clamping plate (38) is connected with the inside of the control box (34) in a sliding fit mode.

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