CN108927949A - Shredded plastic feed mechanism - Google Patents

Abstract

The present invention relates to waste plastics to reprocess equipment technical field, specifically disclose a kind of shredded plastic feed mechanism, including bracket (1), feeding barrel (2), driving motor (3), screw conveyor shaft (4), drying unit (5), feeding device (6) and discharging device (7)；The screw conveyor shaft is made of approach section (401) and compression section (402), and the approach section is equipped with cylindrical external thread (403), and the compression section is equipped with circular cone external screw thread (404)；The drying unit includes control cabinet (501), the first insulated thermal insulating layer (502), heating chamber (503), bobbin (504), heating coil (505), the second insulated thermal insulating layer (506) and heating panel (507)；The feeding device includes feed hopper (601) and several elastic block pieces (603), and the elastic block piece in adjacent spring baffle group is staggered.The present invention has the characteristics that be uniformly mixed, will not be adhered, can combine durable and efficiency and have dehumidification function.

Description

Shredded plastic feed mechanism

Technical field

The present invention relates to waste plastics to reprocess equipment technical field, in particular to a kind of shredded plastic feed mechanism.

Background technique

HDPE (high density polyethylene (HDPE)) particle has a wide range of applications in our life.In industrial aspect, HDPE Grain can be used to make pump, pipeline, container and valve etc., can apply in the Chemical Manufacture place of processing corruption abrasion；In agricultural Aspect, HDPE particle can be used to make agricultural film, fertilizer packaging bag, drinking-water pipe and cement package bags etc.；In terms of constructing material, HDPE particle may be utilized in fabricating various construction members, plastic door-window and marl barrel etc.；In daily life, HDPE particle can be used to Manufacture various polybags, toy, furniture, bucket, basin and stationery etc.；In dressing industrial aspect, HDPE particle may be utilized in fabricating dressing, Necktie, button and zipper etc..

The raw material that manufacture HDPE particle is used is usually PP (polypropylene), PE (polyethylene) and PET (poly terephthalic acid second Terephthalate resin), for environmental protection, country encourages to advocate the recycling to waste plastics, so can also fit when manufacturing HDPE particle When virgin material and old material are subjected to collocation use, according to the requirement of client select proper proportion PP, PE and PET broken material, The virgin material of proper ratio and the broken material of old material are also selected for different plastic types, the good raw material of final choice is unified It is put into agitating device and is stirred, sent by feeding device after raw material is stirred and heated into injection molding machine again Plasticizing, current feeding device are mainly made of elevating hopper, discharge bucket, driving motor, spiral conveyor rod and feeding barrel, wherein Elevating hopper is only mostly a simple the taper bucket, is only responsible for introducing a material into feeding barrel, without playing other make With function is more single, since the raw material being sent into elevating hopper may also have the not fully uniform of some mixing, it is also possible to Some raw materials are to stick together, allow the raw material of input to remix if elevating hopper can play, while appropriate can also release Part between raw material is adhered just more preferable, and current elevating hopper and does not have such function；The wherein knot of spiral conveyor rod Structure is that spiral conveying blade is simply arranged on conveying lever, not due to screw pitch, spiral groove depth, spiral shell leaf helical angle selection combination When prevent spiral conveyor rod is from combining durable and efficiency；Meanwhile how much being had into the raw material in feeding device Moisture, and lack drying unit in existing feeding device, the function without dehumidifying.

Therefore, it is currently used for conveying the feeding device of waste plastics into injection molding machine, there is that mixing is uneven, can be adhered, nothing Method takes into account durable and efficiency and does not have the problem of dehumidification function.

Summary of the invention

The present invention in order to solve to be currently used for into injection molding machine convey waste plastics feeding device present in above-mentioned technology Problem provides a kind of shredded plastic feed mechanism, it, which has, is uniformly mixed, will not be adhered, can combine durable and efficiency And has the characteristics that dehumidification function.

Technical solution of the present invention: shredded plastic feed mechanism, including bracket and the feeding material being inclined on bracket Cylinder, the lower end of the feeding barrel are equipped with driving motor, and the inside of the feeding barrel is equipped with screw conveyor shaft, the spiral transferring The driving axis connection of axis lower end and driving motor is sent, the inner wall of the feeding barrel is equipped with drying unit, the feeding barrel Lower part be equipped with the feeding device of entrance upward, the feeding device is connected with the inside of feeding barrel, the feeding barrel Top be equipped with the discharging device of outlet direction, the discharging device is connected with the inside of feeding barrel；The helical feed Axis is made of the approach section being coaxially disposed and compression section, and the approach section is equipped with cylindrical external thread, and the compression section is equipped with Circular cone external screw thread, the externally threaded end of circular cone are smoothly connected with cylindrical external thread end；The drying unit includes setting Control cabinet on bracket and the first insulated thermal insulating layer being arranged on feeding material tube inner wall are set in first insulated thermal insulating layer There is heating chamber, the inside of the heating chamber is equipped with bobbin, and the bobbin is equipped with heating coil, and the heating coil passes through Conducting wire is connect with control cabinet, and the heating chamber is equipped with the second insulated thermal insulating layer, and second insulated thermal insulating layer is equipped with heating Panel；The feeding device includes the feed hopper being arranged in above feeding barrel lower part and is arranged in several on feed hopper inner wall Layer elastic block piece group, the feed hopper are connected with the inside of feeding barrel, and the elastic block piece group is by several elastic block piece structures At the elastic block piece in adjacent spring baffle group is staggered, and one end of the elastic block piece and the inner wall of feed hopper connect, institute The other end for stating elastic block piece is the arc-shaped structure parallel with the inner wall of feed hopper.The present invention on approach section by being arranged Cylindrical external thread is smoothly connected, root by the way that circular cone external screw thread is arranged in compression section between circular cone external screw thread and cylindrical external thread According to the properities optimization structure of helical blade of raw material, the defeated of raw material is increased while reducing raw material and wearing to helical blade Efficiency is sent, reduces energy consumption to the full extent, improves productivity；It is single that the present invention leads to the setting drying on the inner wall of feeding barrel Member, so that feeding device is integrally provided with the effect of drying dehumidification；By the way that heater wire is arranged on the bobbin inside heating chamber Circle, the effect of the drying dehumidification of feeding device is realized using the structure of electromagnetic heating, thermal conversion rate is higher, drying effect compared with It is good；By the way that the first insulated thermal insulating layer is arranged between heating chamber and the inner wall of feeding barrel, between heating chamber and heating panel Second insulated thermal insulating layer is set, so that the safety of drying unit is higher；The present invention is several by being arranged on feed hopper inner wall Layer elastic block piece group, and the elastic block piece in adjacent spring baffle group is staggered, so that raw material is in the mistake for entering feed hopper Cheng Zhong can be further uniformly mixed under the barrier effect layer by layer of elastic block piece group, can under the elastic reaction of elastic block piece So that raw material is mutually hit, there is the raw material being adhered that can scatter before, relieve and be adhered；By the other end of elastic block piece be designed as with The parallel arc-shaped structure of the inner wall of feed hopper, and can be realized the smooth blanking of raw material, realize preferably mixing and release The effect being adhered.

Preferably, cylindrical external thread on the approach section be uniform pitch and etc. spirals groove depth structure, the pressure Circular cone external screw thread in contracting section is the structure that screw pitch does not wait and spiral groove depth does not wait.It, will according to the property of raw material waste plastics piece Cylindrical external thread be designed as uniform pitch and etc. spirals groove depth structure, circular cone external screw thread is designed as to screw pitch is not equal and helicla flute Equal structure not retrieved the abrasion in the eyes to helical blade while reaching higher transfer efficiency to depth yet, so that spiral Blade is more durable.

Preferably, the bottom of the heating panel is equipped with temperature sensor, the temperature sensor is electrically connected with control cabinet It connects.Temperature sensor can be by the temperature real-time delivery at heating panel to control cabinet, so that control cabinet preferably controls Accurate temperature control is realized in the work of heating coil.

Preferably, the elastic block piece is obliquely installed upwards on the inner wall of feed hopper.Raw material can be carried out more preferable Blocking and rebound, make the mixing of raw material more evenly, the elastic force released when being adhered is bigger.

Preferably, the tilt angle of the feeding barrel is 30~70 degree.It is further preferred that the inclination angle of the feeding barrel Degree is 45~60 degree.The bracket is equipped with adjusting rod, and the feeding barrel is arranged on adjusting rod, can be adjusted by adjusting rod Save the tilt angle of feeding barrel.The rational design of feeding barrel tilt angle is so that feeding barrel can adapt to different height Injection molding machine can preferably input raw material in injection molding machine.

Preferably, the bottom of the bracket is equipped with idler wheel.Idler wheel enables entire feeding device flexibly to move.

Preferably, the junction of circular cone external screw thread and cylindrical external thread, the externally threaded screw pitch of circular cone be less than with outside cylinder The screw pitch of screw thread.The design of such structure, enables the raw material being sent by cylindrical external thread in the externally threaded upstream end of circular cone Helicla flute on circular cone external screw thread is filled up by compression, and then there is bigger conveying capacity, transfer efficiency with higher.

Preferably, first insulated thermal insulating layer and the second insulated thermal insulating layer are made of insulated heat material.Insulation Heat-barrier material has heat preservation and insulation performance well.

Preferably, the heating panel is steel structure panel.Steel construction heating panel can be in the effect of heating coil It is lower to realize better self-heating, guarantee drying unit thermal conversion rate with higher.

Preferably, the angle between the elastic block piece and feed hopper inner wall is 45~60 degree.It is further preferred that the elasticity gear Angle between piece and feed hopper inner wall is 50 degree.The design of possible angle, so that mixing and rebound that elastic block piece plays release The effect being adhered is more preferable.

Preferably, development length of the elastic block piece on feed hopper inner wall is no more than feed hopper respective inner walls circumference A quarter, the elastic block piece in each layer of elastic block piece group has 1~4.It is further preferred that the elastic block piece is in feed hopper Development length on wall is 1/5th of feed hopper respective inner walls circumference, and the elastic block piece in each layer of elastic block piece group has 3 It is a.The size and number design of elastic block piece enables elastic block piece preferably to adapt to entire feed hopper, and is feeding Arranged is good on the inner wall of bucket, plays and is preferably uniformly mixed and releases the effect being adhered.

Preferably, the width of the elastic block piece is no more than 1/5th of feed hopper respective inner walls diameter.It is further preferred that The width of the elastic block piece is 1/6th of feed hopper respective inner walls diameter.

The invention has the following beneficial effects:

(1) present invention on approach section by being arranged cylindrical external thread, by the way that circular cone external screw thread, circular cone is arranged in compression section It is former reducing according to the properities optimization of the raw material structure of helical blade to be smoothly connected between external screw thread and cylindrical external thread Expect the transfer efficiency for increasing raw material while abrasion to helical blade, reduces energy consumption to the full extent, improve productivity；

(2) present invention, which is led to, is arranged drying unit on the inner wall of feeding barrel, so that feeding device is integrally provided with drying The effect of dehumidifying；By the way that heating coil is arranged on the bobbin inside heating chamber, realized using the structure of electromagnetic heating Expect the effect of the drying dehumidification of device, thermal conversion rate is higher, and drying effect is preferable；Pass through the inner wall in heating chamber and feeding barrel Between the first insulated thermal insulating layer is set, the second insulated thermal insulating layer is set between heating chamber and heating panel, so that drying unit Safety it is higher；

(3) of the invention by the way that several layers elastic block piece group is arranged on feed hopper inner wall, and in adjacent spring baffle group Elastic block piece be staggered so that raw material enter feed hopper during, under the barrier effect layer by layer of elastic block piece group It can further be uniformly mixed, under the elastic reaction of elastic block piece, raw material can be made mutually to hit, there is the raw material being adhered before It can scatter, relieve and be adhered；The other end of elastic block piece is designed as to the arc-shaped structure parallel with the inner wall of feed hopper, again It can be realized the smooth blanking of raw material, realize preferably mixing and release the effect being adhered；

(4) rational design of feeding barrel tilt angle is so that feeding barrel can adapt to the injection molding machine of different height, energy It is enough preferably to input raw material in injection molding machine；Idler wheel enables entire feeding device flexibly to move；

(5) according to the property of raw material waste plastics piece, by cylindrical external thread be designed as uniform pitch and etc. spirals groove depth knot Circular cone external screw thread is designed as the screw pitch structure that equal and spiral groove depth does not wait by structure, while reaching higher transfer efficiency, Also it retrieved the abrasion in the eyes to helical blade, so that helical blade is more durable；The design of such structure, so that outside by cylinder The raw material that screw thread is sent into can be compressed the helicla flute filled up on circular cone external screw thread in the externally threaded upstream end of circular cone, and then be had Bigger conveying capacity, transfer efficiency with higher；Insulated heat material has heat preservation and insulation performance well；Steel construction adds Hot panel can realize better self-heating under the action of heating coil, guarantee drying unit hot-cast socket with higher Rate；Temperature sensor can be by the temperature real-time delivery at heating panel to control cabinet, so that control cabinet preferably controls Accurate temperature control is realized in the work of heating coil；

(6) raw material preferably can be stopped and is rebounded, the mixing for making raw material more evenly, releases elastic force when being adhered It is bigger；The design of possible angle, so that the effect that mixing and rebound releasing that elastic block piece plays are adhered is more preferable；Elastic block piece Size and number design enable elastic block piece preferably to adapt to entire feed hopper, and arranged on the inner wall in feed hopper Column arrangement is good, plays and is preferably uniformly mixed and releases the effect being adhered.

Detailed description of the invention

Fig. 1 is overall structure diagram of the invention；

Fig. 2 is the structural perspective in the present invention at feeding device；

Fig. 3 is the structure top view in the present invention at feeding device；

Fig. 4 is the structural schematic diagram at discharging device；

Fig. 5 is the structural schematic diagram in the present invention at drying unit；

Fig. 6 is the structural schematic diagram at driving motor；

Fig. 7 is the structural schematic diagram in the present invention at screw conveyor shaft.

The label in accompanying drawing is: 1- bracket, 2- feeding barrel, 3- driving motor, 301- cabinet, 302- component, the end 303- Lid, 304- connecting terminal, 305- shield, 306- screw, 307- stiffening plate, 4- screw conveyor shaft, 401- approach section, 402- compression Section, 403- cylindrical external thread, 404- circular cone external screw thread, 5- drying unit, 501- control cabinet, the first insulated thermal insulating layer of 502-, 503- heating chamber, 504- bobbin, 505- heating coil, the second insulated thermal insulating layer of 506-, 507- heating panel, 6- charging dress It sets, 601- feed hopper, 602- elastic block piece group, 603- elastic block piece, 7- discharging device, 701- discharge bucket, 702- taper honeycomb Net, 703- hangnail plate, 8- idler wheel.

Specific embodiment

The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to According to.

As shown in Figure 1, Figure 2, Fig. 3, Fig. 5 and shredded plastic feed mechanism shown in Fig. 7, including bracket 1 and it is inclined at branch Feeding barrel 2 on frame, the lower end of feeding barrel are equipped with driving motor 3, and the inside of feeding barrel is equipped with screw conveyor shaft 4, spiral shell Revolve the driving axis connection of conveying axis lower end and driving motor, the inner wall of feeding barrel is equipped with drying unit 5, under feeding barrel Portion is equipped with the feeding device 6 of entrance upward, and feeding device is connected with the inside of feeding barrel, and the top of feeding barrel is equipped with The discharging device 7 of mouth direction, discharging device are connected with the inside of feeding barrel；Screw conveyor shaft is by the approach section that is coaxially disposed 401 and compression section 402 constitute, approach section is equipped with cylindrical external thread 403, and compression section is equipped with circular cone external screw thread 404, outside circular cone The end of screw thread is smoothly connected with cylindrical external thread end；Drying unit includes the control cabinet 501 being arranged on bracket and setting The first insulated thermal insulating layer 502 on feeding material tube inner wall, the first insulated thermal insulating layer be equipped with heating chamber 503, heating chamber it is interior Portion is equipped with bobbin 504, and bobbin is equipped with heating coil 505, and heating coil is connect by conducting wire with control cabinet, in heating chamber Equipped with the second insulated thermal insulating layer 506, the second insulated thermal insulating layer is equipped with heating panel 507；Feeding device includes being arranged in feeding Feed hopper 601 above barrel lower part and the several layers elastic block piece group 602 being arranged on feed hopper inner wall, feed hopper and feeding The inside of barrel is connected, and elastic block piece group is made of several elastic block pieces 603, and the elastic block piece in adjacent spring baffle group is handed over Mistake setting, one end of elastic block piece and the inner wall of feed hopper connect, and the other end of elastic block piece is equal with the inner wall of feed hopper Capable arc-shaped structure.Cylindrical external thread on approach section be uniform pitch and etc. spirals groove depth structure, the circle on compression section Boring external screw thread is the structure that screw pitch does not wait and spiral groove depth does not wait.The bottom of heating panel is equipped with temperature sensor, and temperature passes Sensor is electrically connected with control cabinet.Elastic block piece is obliquely installed upwards on the inner wall of feed hopper.

As shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and shredded plastic feeding device shown in Fig. 7, including bracket 1 and inclination Feeding barrel 2 on bracket is set, and the lower end of feeding barrel is equipped with driving motor 3, and the inside of feeding barrel is equipped with spiral transferring Axis 4 is sent, the inner wall of the driving axis connection of screw conveyor shaft lower end and driving motor, feeding barrel is equipped with drying unit 5, feeding The lower part of barrel is equipped with the feeding device 6 of entrance upward, and feeding device is connected with the inside of feeding barrel, feeding barrel it is upper Portion is equipped with the discharging device 7 of outlet direction, and discharging device is connected with the inside of feeding barrel；Driving motor includes that setting is being propped up Cabinet 301 on frame and the component 302 being made of stator, rotor and winding that cabinet inside is arranged in, one end of cabinet is to open Mouth structure, the open end of cabinet are equipped with end cap 303, and end cap is equipped with connecting terminal 304, and connecting terminal is connected by conducting wire and winding It connects, end cap is equipped with shield 305, and the end of rotor is arranged in the drive shaft of driving motor；Screw conveyor shaft is by being coaxially disposed Approach section 401 and compression section 402 are constituted, and approach section is equipped with cylindrical external thread 403, and compression section is equipped with circular cone external screw thread 404, The externally threaded end of circular cone is smoothly connected with cylindrical external thread end；Drying unit includes the control cabinet 501 being arranged on bracket With the first insulated thermal insulating layer 502 being arranged on feeding material tube inner wall, the first insulated thermal insulating layer is equipped with heating chamber 503, heating The inside of chamber is equipped with bobbin 504, and bobbin is equipped with heating coil 505, and heating coil is connect with control cabinet by conducting wire, added Hot chamber is equipped with the second insulated thermal insulating layer 506, and the second insulated thermal insulating layer is equipped with heating panel 507；Feeding device includes setting Feed hopper 601 above feeding barrel lower part and the several layers elastic block piece group 602 being arranged on feed hopper inner wall, feed hopper It is connected with the inside of feeding barrel, elastic block piece group is made of several elastic block pieces 603, the elasticity in adjacent spring baffle group Baffle is staggered, and the inner wall of one end of elastic block piece and feed hopper connects, the other end of elastic block piece be in feed hopper The parallel arc-shaped structure of wall；Discharging device includes the discharge bucket 701 that the tapered structure of feeding barrel below an upper section is arranged in With the taper Cellular Networks 702 being arranged on discharge bucket inner wall, taper honeycomb top line of the net discharging direction is equipped with several hangnail plates 703. The tilt angle of feeding barrel is 30~70 degree.The bottom of bracket is equipped with idler wheel 8.It is connected between end cap and cabinet for interference.Shield Cover is arranged on end cap by screw 306.Cabinet is an integral molding structure.The lateral surface of cabinet is equipped with stiffening plate 307.Into Cylindrical external thread in section be uniform pitch and etc. spirals groove depth structure, the circular cone external screw thread on compression section be screw pitch it is not equal and The structure that spiral groove depth does not wait.The junction of circular cone external screw thread and cylindrical external thread, the externally threaded screw pitch of circular cone are less than and circle The externally threaded screw pitch of column.First insulated thermal insulating layer and the second insulated thermal insulating layer are made of insulated heat material.Heating panel is Steel structure panel.The bottom of heating panel is equipped with temperature sensor, and temperature sensor is electrically connected with control cabinet.Elastic block piece into It is obliquely installed upwards on the inner wall of hopper.Angle between elastic block piece and feed hopper inner wall is 45~60 degree.Elastic block piece into Development length on hopper inner wall is no more than a quarter of feed hopper respective inner walls circumference, the bullet in each layer of elastic block piece group Property baffle has 1~4.The width of elastic block piece is no more than 1/5th of feed hopper respective inner walls diameter.Hangnail plate and taper It is structure as a whole between Cellular Networks.It is to be detachably connected between taper Cellular Networks and discharge bucket.Hangnail plate has 2~6 pieces.

The operation principle of the present invention is that:

The component 302 being made of stator, rotor and winding is installed inside cabinet 301, is fixed and is connect on end cap 303 Connecting terminal and winding are connected using conducting wire, end cap are interference fitted in the open end of cabinet, by wiring by line terminals 304 Terminal is connect with external power supply, and shield 305 is being fixed on end cap using screw 306, is completing the assembling of motor, by driving electricity Machine 3 is placed on bracket 1, fixes screw conveyor shaft 4 in the drive shaft end of driving motor, will be equipped with drying unit 5, into The feeding barrel 2 of material device 6 and discharging device 7 is fixed on the cabinet of driving motor, by feeding barrel by being arranged in rack On adjusting rod adjust after inclination angle is 60 degree and be mounted on the rack, pass through the control driving motor and heating coil of control cabinet 501 Shredded plastic raw material after stirring is sent into feed hopper 601 by 505 work, conveyer belt, the elastic block piece 603 on feed hopper inner wall The shredded plastic of whereabouts is carried out to stop to realize auxiliary mixing, so that into the more equal of the shredded plastic mixing in feeding barrel It is even, shredded plastic is patted during elastic block piece elastic reset, so that being released in the presence of the shredded plastic being adhered glutinous Even, the approach section 401 that the shredded plastic being adhered enters screw conveyor shaft is mixed and is released again, uniform pitch and waited on approach section Shredded plastic is fed forward by the cylindrical external thread 403 of spiral groove depth, is delivered to compression section 402, due to the circle on compression section The screw pitch that screw pitch of the external screw thread 404 in the junction with cylindrical external thread is less than cylindrical external thread is bored, it is all to enter the outer spiral shell of circular cone The shredded plastic of line compressed it is as much as possible fill up the externally threaded helicla flute of circular cone so that screw conveyor shaft have it is bigger defeated The amount of sending, until shredded plastic is delivered at discharge bucket 701 by screw conveyor shaft, in the process of screw conveyor shaft conveying shredded plastic In, using electromagnetic induction heating coil steel construction heating panel 507 is generated heat, realizes the baking to shredded plastic in feeding barrel Dry, the temperature sensor in heating panel bottom is capable of the temperature of real-time monitoring heating panel, then controls heater wire by control cabinet The intensity generated heat between circle and steel construction heating panel by electromagnetic induction, realizes the accurate control of heating temperature, and temperature control is accurate, Drying effect is preferable, be oven-dried by screw conveyor shaft send out shredded plastic along the integral structure on discharge bucket inner wall cone Shape Cellular Networks 702 and hangnail plate 703 enter the feeding inlet of injection molding machine, and shredded plastic will not directly be contacted with discharge bucket, will not be right Discharge bucket is worn, and ensure that the service life of discharge bucket.

The invention has the following beneficial effects: (1) present invention to be carried out by the way that connecting terminal 304 is arranged on end cap 303 Wiring, more traditional wiring direct on winding, the mode of connection are relatively simple；By setting shield 305 come to end cap and wiring Terminal is protected, so that connecting terminal will not break down because extraneous factor influences easily；(2) present invention is by entering Cylindrical external thread 403 is set in section 401, by outside the setting of compression section 402 circular cone external screw thread 404, circular cone external screw thread and cylinder To be smoothly connected between screw thread, according to the properities optimization of the raw material structure of helical blade, helical blade is ground reducing raw material The transfer efficiency that raw material is increased while damage, reduces energy consumption to the full extent, improves productivity；(3) present invention is led to Drying unit 5 is set on the inner wall of feeding barrel 2, so that feeding device is integrally provided with the effect of drying dehumidification；By adding Heating coil 505 is set on the bobbin 504 inside hot chamber 503, the baking of feeding device is realized using the structure of electromagnetic heating The effect of dry dehumidifying, thermal conversion rate is higher, and drying effect is preferable；By the way that is arranged between heating chamber and the inner wall of feeding barrel The second insulated thermal insulating layer 506 is arranged, so that the peace of drying unit in one insulated thermal insulating layer 502 between heating chamber and heating panel Full property is higher；(4) present invention on 601 inner wall of feed hopper by being arranged several layers elastic block piece group 602, and adjacent spring gear Elastic block piece in piece group is staggered so that raw material enter feed hopper 601 during, in the resistance layer by layer of elastic block piece group It can be further uniformly mixed under gear effect, under the elastic reaction of elastic block piece, raw material can be made mutually to hit, had before glutinous Raw material even can scatter, and relieve and be adhered；The other end of elastic block piece is designed as to the camber line parallel with the inner wall of feed hopper Shape structure, and can be realized the smooth blanking of raw material, realize preferably mixing and release the effect being adhered；(5) present invention passes through Taper Cellular Networks 702 are set on the inner wall of discharge bucket 701, and several hangnail plates 703, waste plastics are set in taper Cellular Networks It can largely rub when by discharge bucket and skid off after taper Cellular Networks and hangnail plate, the inner wall of waste plastics is by taper bee Nest net and the protection of hangnail plate, will not be worn, be provided with longer service life, wherein also having the delay of part waste plastics piece In taper Cellular Networks and hangnail plate, shredded plastic piece when sliding with the broken modeling that is trapped in taper Cellular Networks and hangnail plate Tablet rubs, and the shredded plastic piece being trapped in taper Cellular Networks and hangnail plate also plays taper Cellular Networks and hangnail plate Certain protective role designs more ingenious；(6) rational design of 2 tilt angle of feeding barrel enables feeding barrel to fit The injection molding machine of different height is answered, raw material can preferably be inputted in injection molding machine；Idler wheel 8 enables entire feeding device flexible It is mobile；Sealing is realized in the open rearward end of 303 force fit cabinet 301 of end cap, sealing structure is simple, and assembly is easy；One Molding cabinet, reaches integral sealing effect, it is no longer necessary to other auxiliary seal measures；Stiffening plate 307 can further increase The intensity of cabinet；(7) according to the property of raw material waste plastics piece, by cylindrical external thread 403 be designed as uniform pitch and etc. spirals groove depth Circular cone external screw thread 404 is designed as the screw pitch structure that equal and spiral groove depth does not wait by the structure of degree, is reaching higher conveying effect While rate, the abrasion in the eyes to helical blade also retrieved, so that helical blade is more durable；The design of such structure, makes The spiral filled up on circular cone external screw thread can be compressed in the externally threaded upstream end of circular cone by obtaining the raw material being sent by cylindrical external thread Slot, and then there is bigger conveying capacity, transfer efficiency with higher；Insulated heat material has heat preservation and insulating properties well Energy；Steel construction heating panel 507 can realize better self-heating under the action of heating coil, guarantee that drying unit has Higher thermal conversion rate；Temperature sensor can be by the temperature real-time delivery at heating panel to control cabinet, so that control Cabinet preferably controls the work of heating coil 505, realizes accurate temperature control；(8) can to raw material carry out preferably stop and Rebound makes the mixing of raw material more evenly, and the elastic force released when being adhered is bigger；The design of possible angle, so that elastic block piece 603 is sent out It is more preferable that the mixing and rebound waved release the effect being adhered；Elastic block piece size and number design enable elastic block piece more The good entire feed hopper 601 of adaptation, and arranged is good on the inner wall of feed hopper, plays and is preferably uniformly mixed reconciliation Except the effect being adhered；Integral structure manufacture easy to process；Be detachably connected convenient for taper Cellular Networks 702 carry out cleaning and more It changes.

Claims (4)

1. shredded plastic feed mechanism, it is characterized in that: including bracket (1) and the feeding barrel (2) being inclined on bracket, institute The lower end for stating feeding barrel is equipped with driving motor (3), and the inside of the feeding barrel is equipped with screw conveyor shaft (4), the spiral The inner wall of the driving axis connection of conveying axis lower end and driving motor, the feeding barrel is equipped with drying unit (5), the feeding The lower part of barrel is equipped with the feeding device (6) of entrance upward, and the feeding device is connected with the inside of feeding barrel, it is described on Expect that the top of barrel is equipped with the discharging device (7) of outlet direction, the discharging device is connected with the inside of feeding barrel；It is described Screw conveyor shaft is made of the approach section (401) being coaxially disposed and compression section (402), and the approach section is equipped with cylindrical external thread (403), the compression section is equipped with circular cone external screw thread (404), and the externally threaded end of circular cone and cylindrical external thread end are flat Slip；The drying unit include be arranged on bracket control cabinet (501) and be arranged on feeding material tube inner wall first Insulated thermal insulating layer (502), first insulated thermal insulating layer are equipped with heating chamber (503), and the inside of the heating chamber is equipped with coil Frame (504), the bobbin are equipped with heating coil (505), and the heating coil is connect by conducting wire with control cabinet, described to add Hot chamber is equipped with the second insulated thermal insulating layer (506), and second insulated thermal insulating layer is equipped with heating panel (507)；The charging Device includes the feed hopper (601) being arranged in above feeding barrel lower part and the several layers elasticity being arranged on feed hopper inner wall gear Piece group (602), the feed hopper are connected with the inside of feeding barrel, and the elastic block piece group is by several elastic block pieces (603) It constituting, the elastic block piece in adjacent spring baffle group is staggered, and one end of the elastic block piece and the inner wall of feed hopper connect, The other end of the elastic block piece is the arc-shaped structure parallel with the inner wall of feed hopper.

2. shredded plastic feed mechanism according to claim 1, it is characterized in that: the cylindrical external thread on the approach section is Uniform pitch and etc. spirals groove depth structure, the circular cone external screw thread on the compression section is that equal and spiral groove depth differs screw pitch Structure.

3. shredded plastic feed mechanism according to claim 1, it is characterized in that: the bottom of the heating panel is equipped with temperature Sensor, the temperature sensor are electrically connected with control cabinet.

4. shredded plastic feed mechanism according to claim 1, it is characterized in that: inner wall of the elastic block piece in feed hopper On be obliquely installed upwards.