CN117601338A - Plastic film processing method - Google Patents

Abstract

The invention discloses a plastic film processing method, which relates to the technical field of plastic film production and processing, and is realized by plastic film processing equipment, wherein the plastic film processing equipment comprises an upper shell, a heating mechanism is arranged in the upper shell, a blanking driving mechanism is arranged in the upper shell and at the top of the upper shell, a crushing mechanism, a pressing mechanism and a dispersing scraping mechanism are sequentially arranged outside the blanking driving mechanism in a transmission manner from top to bottom, a plugging mechanism is arranged at the left side of the top of the dispersing scraping mechanism, and a discharging forming mechanism is arranged at the bottom of the upper shell. The invention can avoid the situation that plastic particles are piled up in the plastic particle blanking process, so that the plastic particles are more uniformly distributed, the heating efficiency is further improved, the heating energy consumption is reduced, the output speed of liquid plastic can be accelerated, the residue is reduced, the production efficiency is improved, the waste of raw materials is avoided, and the invention is more suitable for the industrial production and processing of plastic films.

Description

Plastic film processing method

Technical Field

The invention relates to the technical field of plastic film production and processing, in particular to a plastic film processing method.

Background

Plastic films are mostly made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, and are mainly used for packaging and as a film coating, and as the share of plastic packaging and plastic packaging products in the market is increasing, the plastic films have been widely applied to the fields of food, medicine, chemical industry and the like.

The invention patent of the issued publication number CN 111002520B discloses a polyester film processing device and method, comprising a conveying frame, a crushing box assembly, a crushing wheel set, a width adjusting mechanism, a sliding frame, a rolling mechanism and a tensioning mechanism; the process comprises the following steps: 1. putting plastic particles for processing plastic films into a feeding box; 2. starting the crushing wheel set to grind large plastic particles; 3. large plastic particles are ground into fine particles and fall into a crushing cylinder, the crushing cylinder heats and melts the fine particles, and liquid plastic flows out of the width adjusting mechanism; 4. the crushing wheel set drives the rolling mechanism to rotate through the two tensioning mechanisms, the rolling mechanism rolls the flowing plastic film, and the blower cools the rolled film to be formed; 5. the formed plastic film is output through the conveying frame.

However, the above-mentioned device is found to have some drawbacks after the practical application of the person skilled in the art, and it is obvious that the plastic particles will pass through the blanking gap between the crushing wheel sets and fall into the crushing cylinder after being crushed by the crushing wheel sets, and as the plastic particles are continuously increased, the final plastic particles will be accumulated and raised, so that the time required for the subsequent heating and melting treatment is longer, and the production and processing efficiency of the plastic film is obviously affected while the energy consumption is increased.

In addition, because the melted liquid plastic has certain viscosity, and the liquid plastic completely depends on gravity and self fluidity when being output through the width adjusting mechanism, more liquid plastic remains in the crushing cylinder and cannot be effectively output, so that the waste of raw materials is caused, and meanwhile, the cleaning difficulty is high.

Therefore, it is necessary to invent a plastic film processing method to solve the above problems.

Disclosure of Invention

The present invention is directed to a plastic film processing method, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the plastic film processing method is realized by plastic film processing equipment, the plastic film processing equipment comprises an upper shell, a heating mechanism is arranged in the upper shell, a discharging driving mechanism is arranged in the upper shell and at the top of the upper shell, a crushing mechanism, a pressing mechanism and a dispersing scraping mechanism are sequentially arranged outside the discharging driving mechanism in a transmission manner from top to bottom, a blocking mechanism is arranged at the left side of the top of the dispersing scraping mechanism, and a discharging forming mechanism is arranged at the bottom of the upper shell;

the heating mechanism comprises an annular cylinder, a heating pipe and a limiting chute;

the annular cylinder is fixedly arranged at the bottom of the inner side of the upper shell, the heating pipe is fixedly nested in the annular cylinder, and the limiting chute is arranged on the inner wall of the annular cylinder;

the discharging driving mechanism comprises a reciprocating screw, a driving motor, a hopper, a discharging channel, a driving chute and a driving bevel gear;

the reciprocating screw penetrates through the upper shell and is in rotary connection with the upper shell through a bearing, the driving motor is fixedly arranged at the top of the upper shell and is in transmission connection with the reciprocating screw, the hopper is rotatably sleeved at the top of the outer side of the reciprocating screw through the bearing and is fixedly connected with the upper shell, the discharging channel penetrates through and is arranged at the top of the front face of the reciprocating screw, the driving sliding chute is formed at the bottoms of two sides of the reciprocating screw, and the driving bevel gear is fixedly sleeved at the top of the outer side of the reciprocating screw;

the crushing mechanism comprises a middle barrel, a first guide ring, a net barrel, a second guide ring, a connecting seat, a crushing roller, a driving shaft, a connecting rod and a driven bevel gear;

the middle cylinder is rotatably sleeved on the outer side of the reciprocating screw rod through a bearing, the first guide ring is fixedly arranged on the inner side of the middle cylinder, the net cylinder is rotatably connected to the side surface of the middle cylinder through a bearing, the second guide ring is fixedly arranged on the inner side of the net cylinder and is in sliding fit with the first guide ring, the connecting seat is rotatably connected to the end part of the net cylinder through a bearing and is fixedly connected with the inner wall of the upper shell, the crushing roller is rotatably nested at the bottom of the inner side of the connecting seat, the driving shaft is rotatably nested at the middle of the inner side of the connecting seat through a bearing, the connecting rod is fixedly connected between the driving shaft and the second guide ring, and the driven bevel gear is fixedly arranged at the end part of the driving shaft and is meshed with the driving bevel gear;

the pushing mechanism comprises a lifting lantern ring, a limiting rod, an upper movable ring, a first spring and a lower movable ring;

the lifting lantern ring is sleeved on the outer side of the reciprocating screw and is in transmission connection with the reciprocating screw, the limiting rod is fixedly arranged on the side face of the lifting lantern ring and is arranged on the inner side of the limiting chute in a sliding mode, the upper movable ring is arranged at the bottom of the limiting rod in a rotating mode through a bearing, the first spring is fixedly connected to the bottom of the lifting lantern ring, and the lower movable ring is fixedly connected to the bottom end of the first spring.

Preferably, the dispersing scraping mechanism comprises a rotating ring, a dispersing scraping plate, a driving sliding block, a guide groove, a discharging channel, an outer movable ring and a filling block.

Preferably, the rotating ring and the dispersing scraper blade are sequentially sleeved on the outer side of the reciprocating screw rod in a sliding manner from top to bottom, the rotating ring is rotationally connected with the lower movable ring through a bearing, the dispersing scraper blade is fixedly connected with the rotating ring, the driving sliding block is fixedly arranged on the inner side of the rotating ring and the dispersing scraper blade and is slidably arranged on the inner side of the driving sliding chute, the guide groove is formed in the top of the dispersing scraper blade, the discharging channel penetrates through the bottom of the dispersing scraper blade, the outer movable ring is rotationally sleeved on the outer side of the dispersing scraper blade through the bearing, and the filling block is slidably arranged on the inner side of the limiting sliding chute and is fixedly connected with the outer movable ring.

Preferably, the plugging mechanism comprises a mounting block, a second spring, an L-shaped upright post and a plugging block.

Preferably, the installation piece is fixed to be set up in the guide way is inboard, second spring fixed connection is in the installation piece top, L shape stand fixed connection is in second spring top, the shutoff piece is fixed to be set up in L shape stand tip and be located directly over the unloading passageway.

Preferably, the discharging forming mechanism comprises a bottom plate, a discharging groove, an adjusting plate, a driving plate, a one-way screw, a double-shaft motor, a lower shell and a forming roller set.

Preferably, the bottom plate is fixed to be set up in last casing bottom, the blown down tank runs through to set up in the bottom plate bottom, regulating plate slip nestification sets up in the bottom plate top, the fixed setting in the regulating plate top of driving plate, one-way screw runs through the driving plate and is connected with the driving plate transmission, the biax motor is fixed to be set up in last casing rear side and is connected with one-way screw transmission, the casing is fixed to be set up in the bottom plate bottom down, the shaping roller group is fixed to be set up in the casing inboard just under the blown down tank down.

Preferably, the method specifically comprises the following steps:

s1, plastic particles are added into a hopper, enter the reciprocating screw under the action of gravity, enter the inner side of the middle cylinder through a discharging channel, and are guided by the first guide ring and the second guide ring, so that the plastic particles enter the inner side of the net cylinder;

s2, starting a driving motor, driving a reciprocating screw to continuously rotate after the driving motor is started, driving a driven bevel gear to rotate through a driving bevel gear when the reciprocating screw rotates, driving a net barrel to rotate through a driving shaft, a connecting rod and a second guide ring by the driven bevel gear, and crushing plastic particles which are overlarge in volume and cannot pass through holes on the net barrel by a crushing roller in the rotation process of the net barrel, and then passing through the net barrel and falling;

s3, driving the rotating ring and the dispersing scraping plate to rotate through the driving sliding groove and the driving sliding block when the reciprocating screw rotates, driving the discharging channel to move in an annular track in the process of rotating the dispersing scraping plate, enabling plastic particles falling on the top of the dispersing scraping plate to pass through the discharging channel and fall on the top of the bottom plate under the guidance of the guiding groove in the moving process of the discharging channel, enabling the plastic particles to be uniformly dispersed on the top of the bottom plate along with the continuous movement of the discharging channel, and continuously heating the plastic particles by the heating pipe in the annular cylinder in the process;

s4, driving a lifting lantern ring limited by a limiting rod and a limiting chute to continuously descend when the reciprocating screw rotates, driving an upper movable ring to synchronously descend through the limiting rod in the descending process of the lifting lantern ring, resetting a stretched first spring, attaching the bottom of the upper movable ring to the top of an L-shaped upright post when the descending distance of the lifting lantern ring reaches a first threshold value, and subsequently driving the L-shaped upright post to synchronously descend along with the continuous descending of the lifting lantern ring by the upper movable ring, compressing a second spring in the descending process of the L-shaped upright post, and driving a plugging block to descend;

s5, when the descending distance of the lifting lantern ring reaches a second threshold value, the blocking block enters the inner side of the blanking channel, and then the blanking channel is blocked, meanwhile, the first spring is reset, and the lifting lantern ring drives the dispersing scraping plate to descend through the first spring, the lower movable ring and the rotating ring along with the continuous descending of the lifting lantern ring, so that the inner side of the annular cylinder is gradually pressurized in the descending process of the dispersing scraping plate;

s6, driving the outer movable ring and the filling blocks to synchronously descend in the descending process of the dispersing scraping plate, driving the unidirectional screw rod to rotate by the double-shaft motor, driving the adjusting plate to continuously move outwards through the driving plate when the unidirectional screw rod rotates, and further removing the blocking of the discharge chute, wherein liquid plastic melted on the inner side of the annular cylinder rapidly passes through the discharge chute and enters the inner side of the forming roller set under the dual actions of pressure and gravity, so that a plastic film is formed;

s7, in the descending process of the dispersing scraper, the driving sliding block, the outer movable ring and the filling block, respectively pushing liquid plastic attached to the outer side of the reciprocating screw, the inner side of the driving sliding groove, the inner wall of the annular cylinder and the inner side of the limiting sliding groove, when the descending distance of the lifting lantern ring reaches a third threshold value, the dispersing scraper is attached to the top of the bottom plate, at the moment, all the liquid plastic on the inner side of the annular cylinder is output, and meanwhile, the lifting lantern ring moves to the bottommost end of the reciprocating thread on the outer side of the reciprocating screw;

s8, the lifting lantern ring moves upwards to reset along with the continuous rotation of the reciprocating screw rod, when the lifting lantern ring moves upwards to reach a fourth threshold value, the driving sliding block moves to the top end of the inner side of the driving sliding groove, at the moment, the dispersing scraping plate, the rotating ring and the lower movable ring cannot continuously ascend due to the blocking of the driving sliding groove, and the first spring is continuously stretched along with the continuous ascent of the lifting lantern ring;

and S9, when the upward moving distance of the lifting lantern ring reaches a fifth threshold value, the lifting lantern ring reaches the topmost end of the reciprocating thread at the outer side of the reciprocating screw rod, namely an initial station, and at the moment, the driving motor is stopped.

The invention has the technical effects and advantages that:

according to the invention, the heating mechanism, the blanking driving mechanism, the crushing mechanism, the pressing mechanism, the dispersing scraping mechanism and the plugging mechanism are arranged, so that the crushing mechanism, the pressing mechanism and the dispersing scraping mechanism are synchronously driven by the blanking driving mechanism, meanwhile, plastic particles are input into the crushing mechanism by the blanking driving mechanism, the plastic particles are crushed after being driven by the crushing mechanism, the pressing mechanism continuously moves downwards after being driven, the dispersing scraping mechanism is continuously rotated after being driven, the plastic particles are further driven to be uniformly dispersed at the inner side of the heating mechanism, the plugging mechanism is triggered by the pressing mechanism along with the continuous descending of the pressing mechanism, the dispersing scraping mechanism is then driven to continuously descend, and then the pressurizing and pushing operation is sequentially completed.

Drawings

Fig. 1 is a schematic diagram of the overall front sectional structure of the present invention.

Fig. 2 is a schematic diagram showing a cross-sectional front view of a heating mechanism according to the present invention.

Fig. 3 is a schematic diagram of a front sectional structure of the blanking driving mechanism of the present invention.

Fig. 4 is a schematic cross-sectional elevation view of the pulverizing mechanism of the present invention.

Fig. 5 is a schematic diagram showing the front sectional structure of the pressing mechanism, the dispersing scraping mechanism and the plugging mechanism of the present invention.

Fig. 6 is a schematic diagram showing a front sectional structure of the discharge molding mechanism of the present invention.

In the figure: 1. an upper housing; 2. a heating mechanism; 21. an annular cylinder; 22. heating pipes; 23. limiting sliding grooves; 3. a blanking driving mechanism; 31. a reciprocating screw; 32. a driving motor; 33. a hopper; 34. a discharge channel; 35. driving the chute; 36. a drive bevel gear; 4. a crushing mechanism; 41. an intermediate cylinder; 42. a first guide ring; 43. a net drum; 44. a second guide ring; 45. a connecting seat; 46. a pulverizing roller; 47. a drive shaft; 48. a connecting rod; 49. a driven bevel gear; 5. a pressing mechanism; 51. lifting the lantern ring; 52. a limit rod; 53. an upper movable ring; 54. a first spring; 55. a lower movable ring; 6. a dispersing scraping mechanism; 61. a rotating ring; 62. a dispersing scraper; 63. driving a sliding block; 64. a guide groove; 65. a blanking channel; 66. an outer movable ring; 67. filling blocks; 7. a plugging mechanism; 71. a mounting block; 72. a second spring; 73. l-shaped upright posts; 74. a block; 8. a discharging and forming mechanism; 81. a bottom plate; 82. a discharge chute; 83. an adjusting plate; 84. a driving plate; 85. a unidirectional screw; 86. a biaxial motor; 87. a lower housing; 88. and forming a roller set.

Description of the embodiments

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples

The invention provides a plastic film processing method as shown in figures 1-6, which is realized by plastic film processing equipment, wherein the plastic film processing equipment comprises an upper shell 1, a heating mechanism 2 is arranged in the upper shell 1, a blanking driving mechanism 3 is arranged in the upper shell 1 and at the top of the upper shell 1, a crushing mechanism 4, a pressing mechanism 5 and a dispersing scraping mechanism 6 are sequentially arranged outside the blanking driving mechanism 3 in a transmission manner from top to bottom, a blocking mechanism 7 is arranged at the left side of the top of the dispersing scraping mechanism 6, and a discharging forming mechanism 8 is arranged at the bottom of the upper shell 1.

As shown in fig. 2, the heating mechanism 2 includes an annular cylinder 21, a heating pipe 22 and a limiting chute 23, wherein the annular cylinder 21 is fixedly disposed at the bottom of the inner side of the upper housing 1, the heating pipe 22 is fixedly nested and disposed inside the annular cylinder 21, and the limiting chute 23 is disposed on the inner wall of the annular cylinder 21.

As shown in fig. 3, the discharging driving mechanism 3 includes a reciprocating screw 31, a driving motor 32, a hopper 33, a discharging channel 34, a driving chute 35 and a driving bevel gear 36, wherein, the reciprocating screw 31 penetrates through the upper casing 1 and is rotationally connected with the upper casing 1 through a bearing, the driving motor 32 is fixedly arranged at the top of the upper casing 1 and is in transmission connection with the reciprocating screw 31, the hopper 33 is rotationally sleeved at the top of the outer side of the reciprocating screw 31 through a bearing and is fixedly connected with the upper casing 1, the discharging channel 34 penetrates through the top of the front of the reciprocating screw 31, the driving chute 35 is arranged at the bottoms of two sides of the reciprocating screw 31, and the driving bevel gear 36 is fixedly sleeved at the top of the outer side of the reciprocating screw 31.

As shown in fig. 4, the pulverizing mechanism 4 includes an intermediate cylinder 41, a first guide ring 42, a mesh cylinder 43, a second guide ring 44, a connection seat 45, a pulverizing roller 46, a driving shaft 47, a connecting rod 48 and a driven bevel gear 49, wherein the intermediate cylinder 41 is rotatably sleeved outside the reciprocating screw 31 through a bearing, the first guide ring 42 is fixedly arranged inside the intermediate cylinder 41, the mesh cylinder 43 is rotatably connected to the side surface of the intermediate cylinder 41 through a bearing, the second guide ring 44 is fixedly arranged inside the mesh cylinder 43 and is in sliding fit with the first guide ring 42, the connection seat 45 is rotatably connected to the end of the mesh cylinder 43 through a bearing and is fixedly connected with the inner wall of the upper housing 1, the pulverizing roller 46 is rotatably nested at the bottom of the inner side of the connection seat 45, the driving shaft 47 is rotatably nested at the middle of the inner side of the connection seat 45 through a bearing, the connecting rod 48 is fixedly connected between the driving shaft 47 and the second guide ring 44, and the driven bevel gear 49 is fixedly arranged at the end of the driving shaft 47 and is meshed with the driving bevel gear 36.

Through setting up above-mentioned unloading actuating mechanism 3 and crushing mechanism 4 to in order to add plastic granules to hopper 33 inside, plastic granules enters into reciprocating screw 31 inside under the action of gravity, later enter into the intermediate section of thick bamboo 41 inboard through discharge channel 34, first guide ring 42 and second guide ring 44 are led plastic granules, and then make plastic granules enter into net section of thick bamboo 43 inboard, drive motor 32 starts back and drives reciprocating screw 31 and keep rotating, driven bevel gear 49 is rotated through drive bevel gear 36 when reciprocating screw 31 rotates, driven bevel gear 49 then drives net section of thick bamboo 43 rotation through drive shaft 47, connecting rod 48 and second guide ring 44, net section of thick bamboo 43 rotation in-process, the too big plastic granules that can't pass the hole on the net section of thick bamboo 43 of volume is smashed by crushing roller 46, later pass net section of thick bamboo 43 and whereabouts.

As shown in fig. 5, the pressing mechanism 5 includes a lifting collar 51, a stop lever 52, an upper moving ring 53, a first spring 54 and a lower moving ring 55, where the lifting collar 51 is sleeved on the outer side of the reciprocating screw 31 and is in transmission connection with the reciprocating screw 31, the stop lever 52 is fixedly disposed on the side of the lifting collar 51 and is slidingly disposed on the inner side of the stop chute 23, the upper moving ring 53 is rotatably disposed at the bottom of the stop lever 52 through a bearing, the first spring 54 is fixedly connected to the bottom of the lifting collar 51, and the lower moving ring 55 is fixedly connected to the bottom of the first spring 54.

Through setting up above-mentioned structure to drive by gag lever post 52 and spacing spout 23 spacing lift lantern ring 51 continuously descends when reciprocating screw 31 is rotatory, lift lantern ring 51 descends in-process and drives last expansion ring 53 and descends in step through gag lever post 52, resets by tensile first spring 54 simultaneously.

As shown in fig. 5, the dispersing scraping mechanism 6 includes a rotating ring 61, a dispersing scraper 62, a driving sliding block 63, a guiding groove 64, a discharging channel 65, an outer movable ring 66 and a filling block 67, wherein the rotating ring 61 and the dispersing scraper 62 are sequentially and slidably sleeved outside the reciprocating screw 31 from top to bottom, the rotating ring 61 is rotatably connected with the lower movable ring 55 through a bearing, the dispersing scraper 62 is fixedly connected with the rotating ring 61, the driving sliding block 63 is fixedly arranged inside the rotating ring 61 and the dispersing scraper 62 and slidably arranged inside the driving sliding groove 35, the guiding groove 64 is arranged at the top of the dispersing scraper 62, the discharging channel 65 is penetratingly arranged at the bottom of the dispersing scraper 62, the outer movable ring 66 is rotatably sleeved outside the dispersing scraper 62 through a bearing, and the filling block 67 is slidably arranged inside the limiting sliding groove 23 and fixedly connected with the outer movable ring 66.

Through setting up above-mentioned structure to drive rotatory ring 61 and dispersion scraper 62 rotation through drive spout 35 and drive slider 63 when reciprocating screw 31 rotates, dispersion scraper 62 in-process drives unloading passageway 65 and is annular orbit and move, and unloading passageway 65 removes the in-process, and the plastic granules that falls on dispersion scraper 62 top pass unloading passageway 65 and fall on bottom plate 81 top under the direction of guide way 64, along with the continuous removal of unloading passageway 65, plastic granules are evenly dispersed to bottom plate 81 top, and in-process, the inside heating pipe 22 of annular section of thick bamboo 21 continuously heats plastic granules.

As shown in fig. 5, the plugging mechanism 7 includes a mounting block 71, a second spring 72, an L-shaped upright 73 and a plugging block 74, where the mounting block 71 is fixedly disposed inside the guide slot 64, the second spring 72 is fixedly connected to the top of the mounting block 71, the L-shaped upright 73 is fixedly connected to the top of the second spring 72, and the plugging block 74 is fixedly disposed at the end of the L-shaped upright 73 and located right above the discharging channel 65.

Through setting up above-mentioned structure to after going up the laminating of expansion ring 53 bottom and L shape stand 73 top, along with the continuation decline of lift lantern ring 51, go up expansion ring 53 and promote L shape stand 73 and descend in step, the L shape stand 73 descends the in-process and compresses second spring 72, drives simultaneously and seals up the piece 74 and descends, until the piece 74 enters into the unloading passageway 65 inboard, and then accomplishes the shutoff to unloading passageway 65.

As shown in fig. 6, the discharging forming mechanism 8 includes a bottom plate 81, a discharging chute 82, an adjusting plate 83, a driving plate 84, a unidirectional screw 85, a double-shaft motor 86, a lower casing 87 and a forming roller set 88, wherein the bottom plate 81 is fixedly arranged at the bottom of the upper casing 1, the discharging chute 82 is penetrated and arranged at the bottom of the bottom plate 81, the adjusting plate 83 is slidably nested and arranged at the top of the bottom plate 81, the driving plate 84 is fixedly arranged at the top of the adjusting plate 83, the unidirectional screw 85 penetrates and is in transmission connection with the driving plate 84, the double-shaft motor 86 is fixedly arranged at the rear side of the upper casing 1 and is in transmission connection with the unidirectional screw 85, the lower casing 87 is fixedly arranged at the bottom of the bottom plate 81, and the forming roller set 88 is fixedly arranged at the inner side of the lower casing 87 and is positioned under the discharging chute 82.

Through setting up above-mentioned structure to biax motor 86 drives unidirectional screw 85 rotation, and the unidirectional screw 85 is rotatory when driving regulating plate 83 through drive plate 84 and continuously moves outward, and then releases the shutoff of blown down tank 82, and the liquid plastics after the inboard melting of annular section of thick bamboo 21 at this moment passes blown down tank 82 and enters into the shaping roller group 88 inboard under pressure and gravity dual effect fast, and then forms plastic film.

Examples

The method specifically comprises the following steps:

s1, plastic particles are added into a hopper 33, enter the reciprocating screw 31 under the action of gravity, then enter the inner side of a middle cylinder 41 through a discharging channel 34, and are guided by a first guide ring 42 and a second guide ring 44, so that the plastic particles enter the inner side of a net cylinder 43;

s2, starting a driving motor 32, driving the reciprocating screw 31 to continuously rotate after the driving motor 32 is started, driving a driven bevel gear 49 to rotate through a driving bevel gear 36 when the reciprocating screw 31 rotates, driving a net drum 43 to rotate through a driving shaft 47, a connecting rod 48 and a second guide ring 44 by the driven bevel gear 49, and crushing plastic particles which are overlarge in volume and cannot pass through holes on the net drum 43 by a crushing roller 46 in the rotating process of the net drum 43, and then passing through the net drum 43 and falling;

s3, when the reciprocating screw 31 rotates, the driving chute 35 and the driving slide block 63 drive the rotating ring 61 and the dispersing scraper 62 to rotate, and when the dispersing scraper 62 rotates, the discharging channel 65 is driven to move in an annular track, in the moving process of the discharging channel 65, plastic particles falling on the top of the dispersing scraper 62 pass through the discharging channel 65 and fall on the top of the bottom plate 81 under the guidance of the guide groove 64, and along with the continuous movement of the discharging channel 65, the plastic particles are uniformly dispersed on the top of the bottom plate 81, and in the process, the heating pipe 22 in the annular cylinder 21 continuously heats the plastic particles;

s4, when the reciprocating screw 31 rotates, the lifting collar 51 limited by the limiting rod 52 and the limiting chute 23 is driven to continuously descend, the upper movable ring 53 is driven to synchronously descend through the limiting rod 52 in the descending process of the lifting collar 51, meanwhile, the stretched first spring 54 is reset, when the descending distance of the lifting collar 51 reaches a first threshold value, the bottom of the upper movable ring 53 is attached to the top of the L-shaped upright post 73, and subsequently, the upper movable ring 53 pushes the L-shaped upright post 73 to synchronously descend along with the continuing descending of the lifting collar 51, the second spring 72 is compressed in the descending process of the L-shaped upright post 73, and meanwhile, the blocking block 74 is driven to descend;

s5, when the descending distance of the lifting collar 51 reaches a second threshold value, the blocking block 74 enters the inner side of the blanking channel 65, and then the blanking channel 65 is blocked, meanwhile, the first spring 54 completes resetting, and the lifting collar 51 drives the dispersing scraping plate 62 to descend through the first spring 54, the lower movable ring 55 and the rotating ring 61 along with the continuous descending of the lifting collar 51, and the inner side of the annular cylinder 21 is gradually pressurized in the descending process of the dispersing scraping plate 62;

s6, in the descending process of the dispersing scraper 62, the outer movable ring 66 is driven to synchronously descend with the filling blocks 67, at the moment, the double-shaft motor 86 drives the one-way screw rod 85 to rotate, the driving plate 84 drives the adjusting plate 83 to continuously move outwards when the one-way screw rod 85 rotates, so that the blocking of the discharge chute 82 is relieved, and at the moment, the melted liquid plastic at the inner side of the annular cylinder 21 rapidly passes through the discharge chute 82 and enters the inner side of the forming roller group 88 under the dual actions of pressure and gravity, so that a plastic film is formed;

s7, in the descending process of the dispersing scraper 62, the driving sliding block 63, the outer movable ring 66 and the filling block 67, respectively pushing liquid plastic attached to the outer side of the reciprocating screw 31, the inner side of the driving sliding groove 35, the inner wall of the annular cylinder 21 and the inner side of the limiting sliding groove 23, when the descending distance of the lifting sleeve ring 51 reaches a third threshold value, the dispersing scraper 62 is attached to the top of the bottom plate 81, at the moment, all the liquid plastic on the inner side of the annular cylinder 21 is output, and meanwhile, the lifting sleeve ring 51 moves to the bottommost end of the reciprocating thread on the outer side of the reciprocating screw 31;

s8, following the continuous rotation of the reciprocating screw 31, the lifting collar 51 moves upwards to reset, when the lifting collar 51 moves upwards to reach a fourth threshold value, the driving sliding block 63 moves to the top end of the inner side of the driving sliding groove 35, at the moment, the dispersing scraping plate 62, the rotating ring 61 and the lower movable ring 55 cannot continuously ascend due to the blocking of the driving sliding groove 35, and following the continuous ascent of the lifting collar 51, the first spring 54 is continuously stretched;

and S9, when the upward moving distance of the lifting sleeve ring 51 reaches a fifth threshold value, the lifting sleeve ring 51 reaches the topmost end of the reciprocating thread outside the reciprocating screw rod 31, namely an initial station, and the driving motor 32 is stopped at the moment.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.

Claims (8)

1. A plastic film processing method is characterized in that: the plastic film processing method is realized through plastic film processing equipment, the plastic film processing equipment comprises an upper shell (1), a heating mechanism (2) is arranged in the upper shell (1), a blanking driving mechanism (3) is arranged in the upper shell (1) and at the top of the upper shell (1), a crushing mechanism (4), a pressing mechanism (5) and a dispersing scraping mechanism (6) are sequentially arranged outside the blanking driving mechanism (3) in a transmission manner from top to bottom, a plugging mechanism (7) is arranged at the left side of the top of the dispersing scraping mechanism (6), and a discharging forming mechanism (8) is arranged at the bottom of the upper shell (1);

the heating mechanism (2) comprises an annular cylinder (21), a heating pipe (22) and a limiting chute (23);

the annular cylinder (21) is fixedly arranged at the bottom of the inner side of the upper shell (1), the heating pipe (22) is fixedly nested in the annular cylinder (21), and the limiting chute (23) is formed in the inner wall of the annular cylinder (21);

the blanking driving mechanism (3) comprises a reciprocating screw (31), a driving motor (32), a hopper (33), a discharging channel (34), a driving chute (35) and a driving bevel gear (36);

the reciprocating screw (31) penetrates through the upper shell (1) and is rotationally connected with the upper shell (1) through a bearing, the driving motor (32) is fixedly arranged at the top of the upper shell (1) and is in transmission connection with the reciprocating screw (31), the hopper (33) is rotationally sleeved at the top of the outer side of the reciprocating screw (31) through the bearing and is fixedly connected with the upper shell (1), the discharging channel (34) penetrates through the top of the front side of the reciprocating screw (31), the driving sliding groove (35) is formed in the bottoms of two sides of the reciprocating screw (31), and the driving bevel gear (36) is fixedly sleeved at the top of the outer side of the reciprocating screw (31);

the crushing mechanism (4) comprises an intermediate cylinder (41), a first guide ring (42), a net cylinder (43), a second guide ring (44), a connecting seat (45), a crushing roller (46), a driving shaft (47), a connecting rod (48) and a driven bevel gear (49);

the middle cylinder (41) is rotatably sleeved on the outer side of the reciprocating screw (31) through a bearing, the first guide ring (42) is fixedly arranged on the inner side of the middle cylinder (41), the net cylinder (43) is rotatably connected to the side surface of the middle cylinder (41) through a bearing, the second guide ring (44) is fixedly arranged on the inner side of the net cylinder (43) and is in sliding fit with the first guide ring (42), the connecting seat (45) is rotatably connected to the end part of the net cylinder (43) through a bearing and is fixedly connected with the inner wall of the upper shell (1), the crushing roller (46) is rotatably nested at the inner bottom of the connecting seat (45), the driving shaft (47) is rotatably nested at the inner middle part of the connecting seat (45) through a bearing, the connecting rod (48) is fixedly connected between the driving shaft (47) and the second guide ring (44), and the driven bevel gear (49) is fixedly arranged at the end part of the driving bevel gear (47) and is meshed with the driving bevel gear (36);

the pressing mechanism (5) comprises a lifting collar (51), a limiting rod (52), an upper movable ring (53), a first spring (54) and a lower movable ring (55);

the lifting sleeve ring (51) is sleeved on the outer side of the reciprocating screw rod (31) and is in transmission connection with the reciprocating screw rod (31), the limiting rod (52) is fixedly arranged on the side face of the lifting sleeve ring (51) and is arranged on the inner side of the limiting chute (23) in a sliding mode, the upper movable ring (53) is rotatably arranged at the bottom of the limiting rod (52) through a bearing, the first spring (54) is fixedly connected to the bottom of the lifting sleeve ring (51), and the lower movable ring (55) is fixedly connected to the bottom of the first spring (54).

2. A plastic film processing method as set forth in claim 1, wherein: the dispersing scraping mechanism (6) comprises a rotating ring (61), a dispersing scraping plate (62), a driving sliding block (63), a guide groove (64), a discharging channel (65), an outer movable ring (66) and a filling block (67).

3. A plastic film processing method as set forth in claim 2, wherein: the rotary ring (61) and the dispersing scraper blade (62) are sequentially sleeved on the outer side of the reciprocating screw rod (31) in a sliding manner from top to bottom, the rotary ring (61) is rotationally connected with the lower movable ring (55) through a bearing, the dispersing scraper blade (62) is fixedly connected with the rotary ring (61), the driving sliding block (63) is fixedly arranged on the inner side of the rotary ring (61) and the dispersing scraper blade (62) and is slidingly arranged on the inner side of the driving sliding groove (35), the guide groove (64) is formed in the top of the dispersing scraper blade (62), the discharging channel (65) is arranged on the bottom of the dispersing scraper blade (62) in a penetrating manner, the outer movable ring (66) is rotationally sleeved on the outer side of the dispersing scraper blade (62) through a bearing, and the filling block (67) is slidingly arranged on the inner side of the limiting sliding groove (23) and is fixedly connected with the outer movable ring (66).

4. A plastic film processing method as set forth in claim 3, wherein: the blocking mechanism (7) comprises a mounting block (71), a second spring (72), an L-shaped upright post (73) and a blocking block (74).

5. The method for processing a plastic film according to claim 4, wherein: the installation block (71) is fixedly arranged on the inner side of the guide groove (64), the second spring (72) is fixedly connected to the top of the installation block (71), the L-shaped upright post (73) is fixedly connected to the top end of the second spring (72), and the blocking block (74) is fixedly arranged on the end part of the L-shaped upright post (73) and is located right above the blanking channel (65).

6. The method for processing a plastic film according to claim 5, wherein: the discharging and forming mechanism (8) comprises a bottom plate (81), a discharging groove (82), an adjusting plate (83), a driving plate (84), a unidirectional screw (85), a double-shaft motor (86), a lower shell (87) and a forming roller set (88).

7. The method for processing a plastic film according to claim 6, wherein: the utility model discloses a discharge chute, including bottom plate (81), spout (82), adjusting plate (83) slip nest, drive plate (84) are fixed to be set up in bottom plate (81) top, drive plate (84) are fixed to be set up in adjusting plate (83) top, unidirectional screw (85) run through drive plate (84) and are connected with drive plate (84) transmission, biax motor (86) are fixed to be set up in last casing (1) rear side and are connected with unidirectional screw (85) transmission, casing (87) are fixed to be set up in bottom plate (81) bottom down, shaping roller set (88) are fixed to be set up in casing (87) inboard and be located under spout (82).

8. The plastic film processing method according to claim 7, characterized in that the method specifically comprises the following steps:

s1, plastic particles are added into a hopper (33), enter into a reciprocating screw (31) under the action of gravity, then enter into the inner side of a middle cylinder (41) through a discharging channel (34), and are guided by a first guide ring (42) and a second guide ring (44), so that the plastic particles enter into the inner side of a net cylinder (43);

s2, starting a driving motor (32), driving a reciprocating screw (31) to continuously rotate after the driving motor (32) is started, driving a driven bevel gear (49) to rotate through a driving bevel gear (36) when the reciprocating screw (31) rotates, driving a net drum (43) to rotate through a driving shaft (47), a connecting rod (48) and a second guide ring (44) by the driven bevel gear (49), and crushing plastic particles which are too large and cannot pass through holes on the net drum (43) by a crushing roller (46) in the rotating process of the net drum (43), and then passing through the net drum (43) and falling;

s3, when the reciprocating screw (31) rotates, the driving chute (35) and the driving sliding block (63) drive the rotating ring (61) and the dispersing scraping plate (62) to rotate, the dispersing scraping plate (62) drives the discharging channel (65) to move in an annular track in the rotating process, in the moving process of the discharging channel (65), plastic particles falling on the top of the dispersing scraping plate (62) pass through the discharging channel (65) and fall on the top of the bottom plate (81) under the guidance of the guide groove (64), and along with the continuous movement of the discharging channel (65), the plastic particles are uniformly dispersed on the top of the bottom plate (81), and in the moving process, the heating pipe (22) in the annular cylinder (21) continuously heats the plastic particles;

s4, driving a lifting sleeve ring (51) limited by a limiting rod (52) and a limiting chute (23) to continuously descend when the reciprocating screw (31) rotates, driving an upper movable ring (53) to synchronously descend through the limiting rod (52) in the descending process of the lifting sleeve ring (51), resetting a stretched first spring (54), attaching the bottom of the upper movable ring (53) to the top of an L-shaped upright post (73) when the descending distance of the lifting sleeve ring (51) reaches a first threshold value, and subsequently driving the L-shaped upright post (73) to synchronously descend by the upper movable ring (53) along with the continuous descending of the lifting sleeve ring (51), and simultaneously driving a blocking block (74) to descend;

s5, when the descending distance of the lifting lantern ring (51) reaches a second threshold value, the blocking block (74) enters the inner side of the blanking channel (65) to further block the blanking channel (65), meanwhile, the first spring (54) is reset, and the inner side of the annular cylinder (21) is gradually pressurized in the descending process of the dispersing scraping plate (62) along with the continuous descending of the lifting lantern ring (51), and the lifting lantern ring (51) drives the dispersing scraping plate (62) to descend through the first spring (54), the lower movable ring (55) and the rotating ring (61);

s6, in the descending process of the dispersing scraping plate (62), the outer movable ring (66) and the filling block (67) are driven to synchronously descend, at the moment, the double-shaft motor (86) drives the one-way screw rod (85) to rotate, the one-way screw rod (85) drives the adjusting plate (83) to continuously move outwards through the driving plate (84) when rotating, and then the blocking of the discharging groove (82) is relieved, at the moment, the melted liquid plastic at the inner side of the annular cylinder (21) rapidly passes through the discharging groove (82) and enters the inner side of the forming roller group (88) under the double functions of pressure and gravity, and then a plastic film is formed;

s7, in the descending process of the dispersing scraping plate (62), the driving sliding block (63), the outer movable ring (66) and the filling block (67), respectively pushing liquid plastic attached to the outer side of the reciprocating screw rod (31), the inner side of the driving sliding groove (35), the inner wall of the annular cylinder (21) and the inner side of the limiting sliding groove (23), when the descending distance of the lifting sleeve ring (51) reaches a third threshold value, attaching the dispersing scraping plate (62) to the top of the bottom plate (81), wherein the liquid plastic on the inner side of the annular cylinder (21) is completely output at the moment, and simultaneously, the lifting sleeve ring (51) moves to the bottommost end of the reciprocating thread on the outer side of the reciprocating screw rod (31);

s8, following the continuous rotation of the reciprocating screw rod (31), the lifting sleeve ring (51) moves upwards to reset, when the lifting sleeve ring (51) moves upwards to reach a fourth threshold value, the driving sliding block (63) moves to the topmost end of the inner side of the driving sliding groove (35), at the moment, the dispersing scraping plate (62), the rotating ring (61) and the lower movable ring (55) cannot continuously ascend due to the blocking of the driving sliding groove (35), and following the continuous ascent of the lifting sleeve ring (51), the first spring (54) is continuously stretched;

and S9, when the upward moving distance of the lifting sleeve ring (51) reaches a fifth threshold value, the lifting sleeve ring (51) reaches the topmost end of the reciprocating thread at the outer side of the reciprocating screw rod (31), namely an initial station, and at the moment, the driving motor (32) is stopped.