CN116061390A

CN116061390A - High-efficient plasticization PET injection molding machine of stable pan feeding

Info

Publication number: CN116061390A
Application number: CN202310164777.0A
Authority: CN
Inventors: 李志琼
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-26
Filing date: 2023-02-26
Publication date: 2023-05-05

Abstract

The invention discloses a high-efficiency plasticizing PET injection molding machine capable of stabilizing feeding, which comprises a base and a positioning and connecting device. The clamping plates arranged on the left side and the right side of the upper end of the shell can move transversely and synchronously relatively to realize rapid clamping and mounting movement of the die, the pressing component arranged in the middle of the upper end of the clamping plates can enable the anti-slip shell to realize backward movement and drive movement of the die under the transmission action of the push rod motor and the driving plate, so that the connection tightness of the die and the front side of the transmission cylinder is improved, the material overflow phenomenon is reduced, and meanwhile, the scraping component arranged on the rear side of the middle of the upper end of the shell can be driven by the lifting component arranged in the shell in a reciprocating manner to enable the scraping plate to scrape the front side of the transmission cylinder to scrape the overflowing and solidifying material on the outer surface of the front end of the transmission cylinder, so that the blocking performance is reduced, and the advantages of rapid clamping and mounting of the die, the improvement of the connection tightness of injection molding and the scraping and cleaning of overflowing material are achieved.

Description

High-efficient plasticization PET injection molding machine of stable pan feeding

Technical Field

The invention relates to the field of injection molding machines, in particular to a high-efficiency plasticizing PET injection molding machine capable of stabilizing feeding.

Background

PET is a milky or pale yellow highly crystalline polymer with smooth and glossy surface, good creep, fatigue, abrasion and dimensional stability, low abrasion and high hardness, and has the greatest toughness among thermoplastics.

At present, when PET materials are used for injection molding, high-efficiency hot melt transmission injection molding is usually realized through an injection molding machine.

Injection molding machines, also known as injection molding machines or injection molding machines, are the main molding equipment for producing plastic products of various shapes from thermoplastic or thermosetting plastics by using plastic molding dies, and are divided into vertical, horizontal and all-electric type, and the injection molding machines can heat the plastics, apply high pressure to the molten plastics, and make the molten plastics be ejected to fill the die cavity of the dies.

The novel efficient plasticizing PET injection molding machine disclosed in the prior China patent CN201721605403.4 comprises a driving device, a cooling device, a feeding pipe, a charging barrel discharging control valve, a charging barrel, a dehumidifying barrel, a glue injection barrel, a screw, a glue-passing meson, a non-return ring, a glue-passing head, a glue injection nozzle seat and a nozzle, wherein the screw, the glue-passing meson, the non-return ring and the glue-passing head are sequentially arranged on the inner side of the glue injection barrel from back to front, and the glue-passing head passes through the center holes of the glue-passing meson and the non-return ring and is connected with the screw into a whole through threads; the driving device is connected with the tail end of the screw rod; the nozzle seat is arranged at the front end of the glue injection barrel.

Above-mentioned current PET injection molding machine is favorable to preventing through setting up cooling device and the setting of dehumidification section of thick bamboo that PET in feed cylinder and the inlet pipe melts, guarantee unloading speed, work efficiency is improved, simultaneously avoid PET goods to take color, become fragile, the product quality has been ensured, but the injection molding machine injection molding mouth department that uses now usually needs external mould, the shape of the required work piece of cooling formation, the injection molding machine carries out injection molding activity to a mould relatively often, when need carry out the installation use of other moulds, need take certain time, carry out the dismouting activity, lead to PET injection molding efficiency to receive the influence, simultaneously the manual installation mould is less accurate for during the butt joint injection molding of follow-up injection molding mouth and mould mouth, be liable to lead to PET material to spill, not only influence injection molding efficiency, still be liable to lead to the mould surface clean and tidy degree to receive the influence simultaneously.

Disclosure of Invention

Therefore, in order to solve the defects, the invention provides the efficient plasticizing PET injection molding machine with stable feeding.

In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a stabilize high-efficient plasticization PET injection molding machine of pan feeding, includes the base, the controller is installed on base front end right side, and base upper end fixedly connected with transmission section of thick bamboo, transmission section of thick bamboo inside rotates and is connected with the transport auger, and carries auger rear side and peg graft mutually from the driving wheel, from the driving wheel outside with belt drive is connected, and the belt bottom is connected with the action wheel transmission, the action wheel middle part is connected with transmission motor, and transmission motor installs in base rear side upper end, the hot plate is installed to transmission section of thick bamboo inside upper end, and transmission section of thick bamboo inside front side is equipped with the non-return circle, it has the rubber head to carry auger front end an organic whole to meet, transmission section of thick bamboo rear side upper end has connected the hopper main part, still including locating the location connecting device of base front side, location connecting device is including installing in the casing of base front side, locating the splint bottom the splint carry out the centre gripping drive the clamping assembly, locating the middle part and locate the scraping assembly that the casing upper end rear side is used for the material to scrape.

Preferably, the clamping assembly comprises a connecting rod rotationally connected to the bottom of the clamping plate, a long arm connected to the other side of the connecting rod, a short arm rotationally connected to the transverse end of the long arm, a moving block rotationally connected to one side of the short arm, a guide rod inserted into the rear side of the moving block and an air cylinder connected to the lower end of the middle of the moving block, wherein the long arm is rotationally connected with the inside of the shell.

Preferably, two clamping plates are symmetrically arranged left and right along the upper end of the shell, and the front end and the rear end of each clamping plate are in sliding connection with the inside of the upper end of the shell.

Preferably, the connecting rod, the long arm and the short arm are symmetrically arranged left and right along the moving block, and the long arm is integrally arranged in an L-shaped block shape.

Preferably, the compressing assembly comprises a push rod motor arranged outside the middle part of the clamping plate, a connecting block connected to the right side of the push rod motor, a driving plate fixedly arranged on the front side of the connecting block, a connecting arm connected to the left side of the upper end of the driving plate in a transmission manner, a casing fastened to the left side of the connecting arm, an anti-slip shell sleeved on the left side of the casing and compression springs arranged on the upper side and the lower side inside the anti-slip shell, and the casing and the anti-slip shell are arranged inside the middle part of the clamping plate.

Preferably, the compressing assembly is symmetrically provided with two groups left and right, and the telescopic track of the push rod motor arranged in the compressing assembly is in transverse telescopic arrangement.

Preferably, the shell and the anti-slip shell are both in sliding connection with the hollow part in the middle of the upper end of the clamping plate, and the anti-slip shell is embedded into the shell in a sliding manner.

Preferably, the scraping assembly comprises a connecting seat arranged at the rear side of the upper end of the shell, a lifting structure arranged in the front side of the connecting seat, a sliding block connected to the top of the lifting structure in a transmission manner, a damper inserted in the rear side of the sliding block, a reset spring arranged on the outer side of the damper, a blade connected to the front side of the sliding block and connected with the lifting structure, and a collecting box clamped at the bottom of the blade.

Preferably, the inside of the connecting seat is rectangular hollow, and the left side and the right side of the upper end of the hollow part of the connecting seat are in sliding connection with the sliding block.

Preferably, the middle part of the upper end of the blade is opposite to the outlet end of the middle part of the front side of the transmission cylinder, and concave strips are arranged on the left side and the right side of the blade and are clamped with the collection box.

The invention has the beneficial effects that:

the clamping plates arranged on the left side and the right side of the upper end of the shell can move transversely and synchronously relatively to realize rapid clamping and mounting movement of the die, the pressing component arranged in the middle of the upper end of the clamping plates can enable the anti-slip shell to realize backward movement and drive movement of the die under the transmission action of the push rod motor and the driving plate, so that the connection tightness of the die and the front side of the transmission cylinder is improved, the material overflow phenomenon is reduced, and meanwhile, the scraping component arranged on the rear side of the middle of the upper end of the shell can be driven by the lifting component arranged in the shell in a reciprocating manner to enable the scraping plate to scrape the front side of the transmission cylinder to scrape the overflowing and solidifying material on the outer surface of the front end of the transmission cylinder, so that the blocking performance is reduced, and the advantages of rapid clamping and mounting of the die, the improvement of the connection tightness of injection molding and the scraping and cleaning of overflowing material are achieved.

The clamping plates and the clamping assembly are arranged, and under the transmission fit of the air cylinder and the moving block, the internal connecting structure of the clamping assembly can drive the clamping plates at the left side and the right side of the upper end of the shell to move relatively synchronously so as to clamp, position and place the die rapidly, and accelerate the die installation efficiency;

the compression assembly is arranged, so that the connecting arm drives the anti-slip shell to move backwards for mold under the transmission fit of the inclined groove formed in the upper end of the driving plate, the binding tightness with the front side of the transmission cylinder is improved, and the compression effect of the anti-slip shell can be improved by matching the compression springs arranged at the upper end and the lower end of the inside of the anti-slip shell;

the scraping assembly is driven by the reciprocating drive of a lifting structure arranged in the front side of the connecting seat, the blade can overflow and solidify materials at the outlet end of the front side of the transmission barrel, scraping and cleaning are realized, and the scraped materials can be collected by matching with a collecting box which is clamped with the outer side of the lower end of the blade;

the sliding block, the damper and the reset spring are arranged, the sliding block can drive the blade to move backwards to reduce blocking effect, and the damper and the reset spring can quickly realize forward movement reset of the sliding block.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic cross-sectional elevation view of a transfer drum and hopper body of the present invention;

FIG. 3 is a schematic view of the three-dimensional cut-away internal structure of the positioning connection device of the present invention;

FIG. 4 is a schematic perspective view of a clamping assembly according to the present invention;

FIG. 5 is a schematic perspective view of a compression assembly of the present invention;

FIG. 6 is a schematic view of a three-dimensional separation structure of a jacket and an anti-skid shell according to the present invention;

FIG. 7 is a schematic view of a three-dimensional partially disassembled structure of the scraping assembly of the present invention;

fig. 8 is a schematic view of the structure of the lifting structure of the present invention.

Wherein: the automatic feeding device comprises a base-1, a controller-2, a transmission cylinder-3, a transmission auger-4, a driven wheel-5, a belt-6, a driving wheel-7, a transmission motor-8, a heating plate-9, a non-return ring-10, a glue passing head-11, a hopper main body-12, a feeding hopper-121, a heating wire-122, a stirring motor-123, a stirring rod-124, a discharge hole-125, a positioning connecting device-13, a shell-131, a clamping plate-132, a clamping assembly-133, a connecting rod-1331, a long arm-1332, a short arm-1333, a moving block-1334, a guide rod-1335, a cylinder-1336, a pressing assembly-134, a push rod motor-1341, a connecting block-1342, a driving plate-1343, a connecting arm-1344, a casing-1345, an anti-slip casing-1346, a pressure spring-1347, a scraping assembly-135, a connecting seat-1351, a lifting structure-13 a, a connecting frame-13 a1, a driving motor-13 a2, a3, a protruding shaft-13 a4, a top frame-13 a5, a slider 1352, a slider 1356, a spring and a damper blade 5.

Detailed Description

In order to further explain the technical scheme of the invention, the following is explained in detail through specific examples.

Referring to fig. 1-2, the invention provides a high-efficiency plasticizing PET injection molding machine capable of stabilizing feeding, which comprises a base 1, wherein a controller 2 is installed on the right side of the front end of the base 1, a transmission cylinder 3 is fixedly connected to the upper end of the base 1, a transmission auger 4 is rotatably connected inside the transmission cylinder 3, the rear side of the transmission auger 4 is spliced with a driven wheel 5, the outer side of the driven wheel 5 is in transmission connection with a belt 6, the bottom of the belt 6 is in transmission connection with a driving wheel 7, the middle part of the driving wheel 7 is connected with a transmission motor 8, the transmission motor 8 is installed at the upper end of the rear side of the base 1, a heating plate 9 is installed at the upper end of the inner part of the transmission cylinder 3, a non-return ring 10 is arranged at the front side of the inner part of the transmission cylinder 3, a rubber passing head 11 is integrally connected to the front end of the transmission auger 4, the upper end of the rear side of the transmission cylinder 3 is connected with a hopper main body 12, and the high-speed plastic PET injection molding machine further comprises a positioning connecting device 13 arranged at the front side of the base 1.

The hopper main body 12 comprises a feed hopper 121 arranged at the upper end of the rear side of the transmission barrel 3, a heating wire 122 which is arranged in the inner wall of the feed hopper 121 and used for realizing heating and hot melting matching, an agitating motor 123 arranged in the middle of the upper end of the feed hopper 121, a stirring rod 124 which is connected with the output end of the bottom of the agitating motor 123 and used for realizing agitating and transmission matching, and a discharge port 125 which is arranged at the bottom of the feed hopper 121 and used for realizing material guiding matching. The discharge port 125 communicates with the interior of the transfer drum 3.

Firstly, adding PET materials into a feed hopper 121 arranged in a hopper main body 12, then realizing a heating wire 122 arranged in the feed hopper 121 through a controller 2 arranged on the right side of the front end of a base 1, enabling the heating wire 122 to realize hot melting activity on the added PET materials, enabling the PET materials to be hot melted into fluid, simultaneously, operating an agitating motor 123 arranged at the upper end of the feed hopper 121, enabling the agitating motor 123 to drive an agitating rod 124 with the lower end connected with each other, rapidly agitating the PET materials in the feed hopper 121, enabling the PET materials to be heated uniformly, improving the hot melting quality of the PET materials, reducing the generation of particles, accelerating the discharge efficiency of the PET materials when the agitating rod 124 is rapidly agitated, reducing the occurrence of blocking phenomenon, and enabling the PET materials in a fluid state to enter the transmission cylinder 3 from a discharge port 125 arranged at the bottom of the feed hopper 121 after a period of heating and agitating activity;

the conveying auger 4 arranged in the conveying cylinder 3 can realize rapid rotation movement under the drive of the conveying motor 8 and the transmission cooperation of the driving wheel 7, the belt 6 and the driven wheel 5, the PET material can be conveyed to the front side of the conveying cylinder 3 through the rotation cooperation of the conveying auger 4, and when the PET material moves forward along the inside of the conveying cylinder 3, the heating plate 9 arranged at the upper end of the inside of the conveying cylinder 3 can heat the PET material again, so that the PET material is kept in a stable fluid state, the conveying injection efficiency of the PET material is accelerated, then the PET material can be driven by the rapid rotation of the conveying auger 4 to move forward to the position of the glue passing head 11, finally, the PET material can be extruded from the middle outlet end of the front side of the conveying cylinder 3 under the integral driving action of the glue passing head 11, so that the PET material is extruded into the inside of a die connected with the front side of the conveying cylinder 3, and after a period of cooling, the PET material injected into the die can be solidified to form a required workpiece shape, and thus the injection movement of the PET material can be realized efficiently.

Referring to fig. 3-4, the positioning connection device 13 in this embodiment includes a housing 131 mounted on the front side of the base 1 for supporting and placing a mold, clamping plates 132 disposed on the left and right sides of the upper end of the housing 131 for positioning and clamping, clamping assemblies 133 connected to the bottoms of the clamping plates 132 for clamping and driving, a pressing assembly 134 disposed in the middle of the clamping plates 132, and a scraping assembly 135 disposed on the rear side of the upper end of the housing 131 for scraping materials.

The clamping assembly 133 comprises a connecting rod 1331 rotationally connected to the bottom of the clamping plate 132 to achieve connection fit, the connecting rod 1331 is integrally arranged in a transverse long shape, a long arm 1332 rotationally connected to one side of the connecting rod 1331 far away from the clamping plate 132 is integrally in swing transmission fit movement, a short arm 1333 rotationally connected to one end of the long arm 1332 far away from the connecting rod 1331 to achieve connection transmission fit, a moving block 1334 connected to the other end of the short arm 1333 to conduct up-down movement transmission, a guide rod 1335 symmetrically inserted to the rear side of the moving block 1334 in a left-right mode and used for guiding up-down movement, an air cylinder 1336 connected to the lower end of the middle portion of the moving block 1334, and the long arm 1332 is rotationally connected to the inside of the casing 131.

Further, two clamping plates 132 are symmetrically arranged left and right along the upper end of the shell 131, and the front end and the rear end of each clamping plate 132 are slidably inserted into the upper end of the shell 131, so that the two clamping plates 132 can realize stable transverse relative synchronous or opposite movement; the connecting rod 1331, the long arm 1332 and the short arm 1333 are symmetrically arranged left and right along the moving block 1334, and the long arm 1332 is integrally arranged in an L-shaped block shape, so that the long arm 1332 is integrally enabled to realize stable swing transmission movement.

In order to improve the installation efficiency and avoid the influence of the injection molding efficiency when the mold is installed and replaced, the positioning connection device 13 arranged at the front side of the base 1 can be used for realizing the rapid clamping connection movement, namely, the mold is placed at the upper end of the shell 131, then the cylinder 1336 of the clamping component 133 in the shell 131 is driven to enable the cylinder 1336 to realize the downward pulling of the upper end connected with the moving block 1334, the whole moving block 1334 can smoothly move downwards along the guide rods 1335 vertically inserted at the left side and the right side of the rear end, the short arms 1333 connected at the left side and the right side of the front end of the moving block 1334 are driven to rotate under the downward moving of the moving block 1334, the pushing of the long arms 1332 connected at the other side can be realized, the whole long arms 1332 are enabled to swing, the other end of the long arms 1332 are driven to be connected with the pushing of the connecting rods 1331, namely, the connecting rods 1331 at the two sides can drive the swing corresponding long arms 1332 to realize the synchronous relative pushing movement, and the clamping plates 132 rotationally connected with the connecting rods 1331 can transversely move along the upper end of the shell 131;

when splint 132 that the left and right sides of casing 131 upper end established drive along with the connecting rod 1331 that the bottom is corresponding to be connected, both sides splint 132 just can realize the firm activity of location centre gripping to the mould that casing 131 upper end was placed, need not to use bolt fastener, installs the activity, so, can realize the quick centre gripping of mould and connect and place, need not to spend more time on mould dismouting process, guarantee the stability of PET material and different mould injection molding efficiency.

Referring to fig. 5-6, the compressing assembly 134 in this embodiment includes a push rod motor 1341 transversely mounted on the outer side of the middle portion of the clamping plate 132 to implement a transverse telescopic driving fit, a connecting block 1342 connected to a telescopic end of the right side of the push rod motor 1341, a driving plate 1343 fixedly connected to the front side of the connecting block 1342 to perform a transverse transmission, a driving plate 1343 slidably connected to the clamping plate 132 at the bottom of the driving plate 1343, a groove formed in the top of the driving plate 1343, a connecting arm 1344 connected to the upper end of the driving plate 1343 in a transmission manner and having a left side of the inclined groove, a sleeve 1345 connected to the left side of the connecting arm 1344 in a sliding and sleeving manner, an anti-slip shell 1346 movably sleeved on the left side of the sleeve 1345 to perform an anti-slip clamping to drive the compression, a compression spring 1347 disposed on the upper and lower sides inside the anti-slip shell 1346, and a compression support spring 1347 disposed inside the middle portion of the clamping plate 132.

Specifically, two groups of pressing assemblies 134 are symmetrically arranged on the left and right sides, and the telescopic track of a push rod motor 1341 arranged in the pressing assemblies 134 is transversely telescopic, so that the push rod motor 1341 correspondingly drives a driving plate 1343 to reciprocate and transversely move, and the pressing movement of the die is realized; the sleeve 1345 and the anti-slip shell 1346 are both in sliding connection with the hollow part in the middle of the upper end of the clamping plate 132, and the anti-slip shell 1346 is embedded into the sleeve 1345 in a sliding manner, so that the sleeve 1345 and the anti-slip shell 1346 can move back and forth smoothly along the upper end of the clamping plate 132 to drive movement.

After the rapid clamping and placing of the mold are completed, in order to ensure the close contact between the injection port of the mold and the outlet end of the front end of the transmission cylinder 3 and reduce the occurrence of material overflow phenomenon, the contact sealing effect can be improved through a compression assembly 134 arranged at the upper end of the clamping plate 132;

namely, when the mold clamping and placing are completed, the anti-slip shell 1346 arranged in the hollow part at the upper end of the clamping plate 132 can be contacted with two sides of the mold, and when the anti-slip shell 1346 is contacted with the two sides of the mold, the anti-slip shell 1346 can be moved into the interior of the casing 1345, compression springs 1347 arranged at the upper end and the lower end of the interior of the anti-slip shell 1346 are compressed, and the anti-slip shell 1346 can be tightly attached to the outer side of the mold under the supporting and matching of the elasticity of the compression springs 1347 so as to perform the mold backward movement preparation activity;

then, the push rod motor 1341 arranged inside the pressing assembly 134 can be driven to retract the push rod motor 1341, the outer end of the push rod motor 1341 is connected with the connecting block 1342 and the driving plate 1343 to draw back, the driving plate 1343 can transversely move towards the side wall direction of the upper end of the clamping plate 132, in the transverse moving process of the driving plate 1343, the connecting arm 1344 which is in transmission connection with the inclined groove formed in the upper end of the driving plate 1343 can be driven by the inclined groove to realize the integral backward movement of the casing 1345 and the anti-slip shell 1346, so that the casing 1345 and the anti-slip shell 1346 smoothly move backward along the hollow part in the middle of the upper end of the clamping plate 132, and then the die clamped by the anti-slip shells 1346 arranged at two sides can smoothly move backward along the upper end of the casing 131, and the injection molding opening of the die is attached to the front end outlet end of the transmission cylinder 3. Therefore, the advantages of stable injection molding of the subsequent PET material and reduction of the overflow phenomenon of the PET material can be achieved.

Referring to fig. 7-8, the scraping assembly 135 in this embodiment includes a connection seat 1351 mounted on the rear side of the upper end of the housing 131 for supporting, a lifting structure 13a mounted in the front side of the connection seat 1351 for driving the lifting scraping, a sliding block 1352 connected to the top of the lifting structure 13a for sliding fit, a vertical groove disposed on the front side of the sliding block 1352 for driving connection with the lifting structure 13a, a damper 1353 inserted in the rear side of the sliding block 1352 in a longitudinal manner for damping and buffering, a return spring 1354 surrounding the damper 1353 and supporting the rear side of the sliding block 1352 in a rebound manner, a blade 1355 connected to the front side of the sliding block 1352 for scraping solidified PET material, and a collecting box 1356 slidably clamped to the bottom of the blade 1355 for collecting scraped material.

The inside of the connecting seat 1351 is rectangular and hollow, and the left and right sides of the upper end of the hollow part of the connecting seat 1351 are in sliding connection with the sliding block 1352, so that the connecting seat 1351 ensures that the sliding block 1352 slides forwards and backwards smoothly without blocking; the middle part of the upper end of the blade 1355 is opposite to the outlet end of the middle part of the front side of the transmission barrel 3, concave strips are arranged on the left side and the right side of the blade 1355 and are clamped with the collection box 1356, and the stable scraping cleaning of the outlet end of the middle part of the front side of the transmission barrel 3 is ensured by the blade 1355.

The lifting structure 13a comprises a connecting frame 13a1 which is fixedly connected to the bottom of the sliding block 1352 to realize supporting fit, the bottom of the connecting frame 13a1 is attached to the inner bottom of the connecting seat 1351, a transmission motor 13a2 which is arranged in the middle of the upper end of the rear side of the connecting frame 13a1 is connected with a rotary table 13a3 which is arranged at the output end of the front side of the transmission motor 13a2 to realize circumferential rotation, a protruding shaft 13a4 which is longitudinally inserted into the lower end of the front side of the rotary table 13a3 to realize transmission fit is longitudinally inserted, a jacking frame 13a5 which is in transmission connection with the outer side of the protruding shaft 13a4, the jacking frame 13a5 is integrally formed by combining a T-shaped plate and a rectangular block, a transverse groove is formed in the transverse strip end of the T-shaped plate arranged at the jacking frame 13a5, the rectangular block is arranged in the sliding block 1352 and is in sliding connection with the inner part of the sliding block 1352, and the front side of the upper end of the jacking frame 13a5 is fixedly connected with the blade 1355.

After injection molding of the transmission cylinder 3 is completed, the excessive PET material overflowed from the outlet end of the front end of the transmission cylinder 3 is easy to be cooled and solidified, so that the outlet end of the front end of the transmission cylinder 3 is blocked, and in order to conveniently realize treatment of blocked positions, the lifting structure 13a arranged in the scraping assembly 135 can be driven to drive the blade 1355 to reciprocate up and down to scrape the solidified PET material in an auxiliary manner, so that the blocking phenomenon is reduced, and the residual part of the PET material in the outlet end of the front end of the transmission cylinder 3 can be slowly changed into fluid under the heating effect of the internal temperature of the transmission cylinder 3 during re-injection molding activity, so that the smoothness of injection molding and discharging of the PET material is ensured;

when scraping, the assembly 134 is needed to be pressed in advance to drive the die to move forward, so that the injection port of the die is separated from the front end outlet end of the conveying cylinder 3, then the front end of the conveying cylinder 3 is connected with the circumference of the rotary table 13a3 by operating the transmission motor 13a2 arranged in the lifting structure 13a, under the circumferential rotation of the rotary table 13a3, the convex shaft 13a4 fastened at the lower end of the front side of the rotary table 13a3 can cooperate with the circumferential rotation of the rotary table 13a3 to realize the up-and-down reciprocating linear driving of the lifting frame 13a5, and the blade 1355 connected with the front end of the lifting frame 13a5 can reciprocate up and down along with the lifting frame 13a5 to contact with the front end outlet end of the conveying cylinder 3, so that the front end outlet end of the conveying cylinder 3 overflows and scrapes the PET material, the scraped PET material falling down into the collecting box 1356 can be scraped, and the collecting activity is realized, when the material is required to be collected inside the collecting box 1356, the whole collecting box 1356 is pulled directly to clean the PET material from the front end of the conveying cylinder 1355, and the excess PET material can be cleaned conveniently and the front end of the conveying cylinder 1355 is cleaned;

in order to avoid the blocking effect of the scraping assembly 135 when the die is pressed, the sliding block 1352 is arranged at the upper end of the front side of the connecting seat 1351, so that the die is driven to move backwards by the pressing assembly 134, the scraping assembly 135 can be integrally extruded, the sliding block 1352 moves backwards along the upper end of the hollow part inside the connecting seat 1351, the damper 1353 connected with the rear side of the sliding block 1352 can be extruded and contracted along with the backward movement of the sliding block 1352, and meanwhile, the reset spring 1354 arranged on the outer side of the front end of the damper 1353 is extruded and contracted, so that the scraping assembly 135 can be stressed and moved backwards to reduce blocking activity, the die and the front side of the transmission barrel 3 are guaranteed to be stably butted, when the die is driven to move forwards by the pressing assembly 134, the compressed reset spring 1354 can elastically push back the sliding block 1352, the quick reset of the blade 1355 is realized, and meanwhile, the phenomenon of reciprocating vibration of the reset spring 1354 can be reduced, and the reset stability of the blade 1355 is guaranteed.

The cylinder 1336, the push rod motor 1341, the pressure spring 1347 and the damper 1353 are of the prior conventional technology, and are the same as the prior similar products, the cylinder 1336 is a cylindrical metal part for guiding the piston to perform linear reciprocating motion in the cylinder, and the function of automatic telescopic matching is realized; the push rod motor 1341 is also named as a linear driver, and is mainly a novel linear actuator consisting of a motor push rod, a control device and other mechanisms, so that the function of automatic telescopic matching is realized; the pressure springs 1347 are a certain gap between the rings of the compression springs, and when the springs are subjected to external load, the springs shrink and deform to store deformation energy, so that the elastic compression fit function is realized; the damper 1353 is a device for providing resistance to exercise and consuming exercise energy, and thus, the function of elastic energy dissipation is achieved, and thus, detailed description thereof will not be repeated.

The foregoing is merely a preferred example of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high-efficient plasticizing PET injection molding machine of stable pan feeding, includes base (1), controller (2) are installed on base (1) front end right side, and base (1) upper end fixedly connected with transmission section of thick bamboo (3), transmission section of thick bamboo (3) inside rotates and is connected with and carries auger (4), and carries auger (4) rear side and peg graft mutually from driving wheel (5), from driving wheel (5) outside and belt (6) transmission connection, and belt (6) bottom and action wheel (7) transmission connection, action wheel (7) middle part is connected with transmission motor (8), and transmission motor (8) are installed in base (1) rear side upper end, hot plate (9) are installed to transmission section of thick bamboo (3) inside upper end, and transmission section of thick bamboo (3) inside front side is equipped with check ring (10), it has gluey head (11) to connect to carry auger (4) front end an organic whole, hopper main part (12) are met to transmission section of thick bamboo (3) rear side upper end.

The method is characterized in that: the positioning connecting device (13) is arranged on the front side of the base (1), and the positioning connecting device (13) comprises a shell (131) arranged on the front side of the base (1), clamping plates (132) arranged on the left side and the right side of the upper end of the shell (131), a clamping assembly (133) connected to the bottom of the clamping plates (132) for clamping and driving, a compressing assembly (134) arranged in the middle of the clamping plates (132) and a scraping assembly (135) arranged on the rear side of the upper end of the shell (131) for scraping materials.

2. The stable feed high efficiency plasticizing PET injection molding machine of claim 1, wherein: the clamping assembly (133) comprises a connecting rod (1331) connected to the bottom of the clamping plate (132), a long arm (1332) connected to the other side of the connecting rod (1331), a short arm (1333) connected to the transverse end of the long arm (1332) in a rotating mode, a moving block (1334) connected to one side of the short arm (1333) in a rotating mode, a guide rod (1335) inserted into the rear side of the moving block (1334) and an air cylinder (1336) connected to the lower end of the middle portion of the moving block (1334), wherein the long arm (1332) is connected with the inside of the shell (131) in a rotating mode.

3. The stable feed high efficiency plasticizing PET injection molding machine of claim 1, wherein: two clamping plates (132) are symmetrically arranged left and right along the upper end of the shell (131), and the front end and the rear end of each clamping plate (132) are in sliding connection with the inside of the upper end of the shell (131).

4. The high-efficiency plasticizing PET injection molding machine with stable feeding according to claim 2, wherein: the connecting rod (1331), the long arm (1332) and the short arm (1333) are symmetrically arranged left and right along the moving block (1334), and the long arm (1332) is integrally arranged in an L-shaped block shape.

5. The stable feed high efficiency plasticizing PET injection molding machine of claim 1, wherein: the compressing assembly (134) comprises a push rod motor (1341) arranged on the outer side of the middle of the clamping plate (132), a connecting block (1342) connected to the right side of the push rod motor (1341), a driving plate (1343) fixedly arranged on the front side of the connecting block (1342), a connecting arm (1344) connected to the left side of the upper end of the driving plate (1343) in a transmission manner, a casing (1345) fastened on the left side of the connecting arm (1344), a non-slip casing (1346) sleeved on the left side of the casing (1345) and pressure springs (1347) arranged on the upper side and the lower side of the inside of the non-slip casing (1346), wherein the casing (1345) and the non-slip casing (1346) are arranged on the inner side of the middle of the clamping plate (132).

6. The stable feed high efficiency plasticizing PET injection molding machine of claim 5, wherein: two groups of compression assemblies (134) are symmetrically arranged on the left and right sides, and telescopic tracks of a push rod motor (1341) arranged inside the compression assemblies (134) are transversely telescopic.

7. The stable feed high efficiency plasticizing PET injection molding machine of claim 5, wherein: the casing (1345) and the anti-slip shell (1346) are both in sliding connection with the middle hollow part of the upper end of the clamping plate (132), and the anti-slip shell (1346) is embedded into the casing (1345) in a sliding manner.

8. The stable feed high efficiency plasticizing PET injection molding machine of claim 1, wherein: the scraping assembly (135) comprises a connecting seat (1351) arranged at the rear side of the upper end of the shell (131), a lifting structure (13 a) arranged in the front side of the connecting seat (1351), a sliding block (1352) connected to the top of the lifting structure (13 a) in a transmission mode, a damper (1353) inserted into the rear side of the sliding block (1352), a reset spring (1354) arranged on the outer side of the damper (1353), a blade (1355) connected to the front side of the sliding block (1352) and connected with the lifting structure (13 a) and a collecting box (1356) clamped at the bottom of the blade (1355).

9. The stable feed high efficiency plasticizing PET injection molding machine of claim 8, wherein: the inside of the connecting seat (1351) is rectangular hollow, and the left side and the right side of the upper end of the hollow part of the connecting seat (1351) are in sliding connection with the sliding block (1352).

10. The stable feed high efficiency plasticizing PET injection molding machine of claim 8, wherein: the middle part of the upper end of the blade (1355) is opposite to the outlet end of the middle part of the front side of the transmission barrel (3), and concave strips are arranged on the left side and the right side of the blade (1355) and are clamped with the collection box (1356).