CN208962326U - A kind of shredded plastic feed mechanism - Google Patents

Abstract

The utility model 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 utility model has the characteristics that be uniformly mixed, will not be adhered, can combine durable and efficiency and have dehumidification function.

Description

A kind of shredded plastic feed mechanism

Technical field

The utility model 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.

Utility model content

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

The technical solution of the utility model includes: a kind of shredded plastic feed mechanism, including bracket and it is inclined on bracket Feeding barrel, the lower end of the feeding barrel is equipped with driving motor, and the inside of the feeding barrel is equipped with screw conveyor shaft, institute The driving axis connection of screw conveyor shaft lower end and driving motor is stated, the inner wall of the feeding barrel is equipped with drying unit, described The lower part of feeding barrel is equipped with the feeding device of entrance upward, and the feeding device is connected with the inside of feeding barrel, described The top of feeding barrel is equipped with the discharging device of outlet direction, and the discharging device is connected with the inside of feeding barrel；It is described Screw conveyor shaft is made of the approach section being coaxially disposed and compression section, and the approach section is equipped with cylindrical external thread, the compression Section is equipped with circular cone external screw thread, and the externally threaded end of circular cone is smoothly connected with cylindrical external thread end；The drying unit Including the control cabinet that is arranged on bracket and the first insulated thermal insulating layer being arranged on feeding material tube inner wall, first insulation every Thermosphere is equipped with heating chamber, and the inside of the heating chamber is equipped with bobbin, and the bobbin is equipped with heating coil, the heating Coil is connect by conducting wire with control cabinet, and the heating chamber is equipped with the second insulated thermal insulating layer, in second insulated thermal insulating layer Equipped with heating panel；The feeding device includes the feed hopper being arranged in above feeding barrel lower part and is arranged in feed hopper inner wall On several layers elastic block piece group, the feed hopper is connected with the inside of feeding barrel, and the elastic block piece group is by several bullets Property baffle constitute, the elastic block piece in adjacent spring baffle group is staggered, one end of the elastic block piece and feed hopper it is interior Wall connection, the other end of the elastic block piece are the arc-shaped structure parallel with the inner wall of feed hopper.The utility model passes through Cylindrical external thread is set on approach section, by being arranged circular cone external screw thread in compression section, circular cone external screw thread and cylindrical external thread it Between to be smoothly connected, according to the properities optimization of the raw material structure of helical blade, reduce raw material helical blade is worn it is same When increase the transfer efficiency of raw material, reduce energy consumption to the full extent, improve productivity；The utility model leads in feeding material Drying unit is set on the inner wall of cylinder, so that feeding device is integrally provided with the effect of drying dehumidification；By inside heating chamber Bobbin on heating coil is set, realize the effect of the drying dehumidification of feeding device using the structure of electromagnetic heating, heat turns It is higher to change rate, drying effect is preferable；By the way that the first insulated thermal insulating layer is arranged between heating chamber and the inner wall of feeding barrel, adding Second insulated thermal insulating layer is set between hot chamber and heating panel, so that the safety of drying unit is higher；The utility model passes through Several layers elastic block piece group is set on feed hopper inner wall, and the elastic block piece in adjacent spring baffle group is staggered, and makes Raw material is obtained during entering feed hopper, can be further uniformly mixed under the barrier effect layer by layer of elastic block piece group, Under the elastic reaction of elastic block piece, raw material can be made mutually to hit, have the raw material being adhered that can scatter before, relieve and be adhered；It will The other end of elastic block piece is designed as the arc-shaped structure parallel with the inner wall of feed hopper, but can be realized raw material it is smooth under Material realizes preferably mixing and releases 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 utility model has the following beneficial effects:

(1) the utility model on approach section by being arranged cylindrical external thread, by the way that circular cone external screw thread is arranged in compression section, To be smoothly connected between circular cone external screw thread and cylindrical external thread, according to the properities optimization of the raw material structure of helical blade, subtracting Small raw material increases the transfer efficiency of raw material while abrasion to helical blade, reduce energy consumption to the full extent, improve life Yield；

(2) the utility model, which leads to, is arranged drying unit on the inner wall of feeding barrel, so that feeding device is integrally provided with The effect of drying dehumidification；By the way that heating coil is arranged on the bobbin inside heating chamber, using the structure of electromagnetic heating come real The effect of the drying dehumidification of existing feeding device, thermal conversion rate is higher, and drying effect is preferable；By in heating chamber and feeding barrel First insulated thermal insulating layer is set between inner wall, the second insulated thermal insulating layer is set between heating chamber and heating panel, so that drying The safety of unit is higher；

(3) the utility model on feed hopper inner wall by being arranged several layers elastic block piece group, and adjacent spring baffle Elastic block piece in group is staggered, so that raw material during entering feed hopper, is made in the blocking layer by layer of elastic block piece group It can be further uniformly mixed under, under the elastic reaction of elastic block piece, raw material can be made mutually to hit, had before and be adhered Raw material can scatter, and relieve and be adhered；The other end of elastic block piece is designed as to the arc line shaped knot parallel with the inner wall of feed hopper Structure, and 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 the overall structure diagram of the utility model；

Fig. 2 is the structural perspective in the utility model at feeding device；

Fig. 3 is the structure top view in the utility model at feeding device；

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

Fig. 5 is the structural schematic diagram in the utility model at drying unit；

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

Fig. 7 is the structural schematic diagram in the utility model 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 utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model The foundation of limitation.

As shown in Figure 1, Figure 2, Fig. 3, Fig. 5 and a kind of shredded plastic feed mechanism shown in Fig. 7, including bracket 1 and be obliquely installed Feeding barrel 2 on bracket, 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, 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 barrel Lower part be equipped with the feeding device 6 of entrance upward, feeding device is connected with the inside of feeding barrel, and the top of feeding barrel is set There is the discharging device 7 of outlet direction, discharging device is connected with the inside of feeding barrel；Screw conveyor shaft by be coaxially disposed into Enter section 401 and compression section 402 is constituted, approach section is equipped with cylindrical external thread 403, and compression section is equipped with circular cone external screw thread 404, circle Externally threaded end is bored to be smoothly connected with cylindrical external thread end；Drying unit includes 501 He of control cabinet being arranged on bracket The first insulated thermal insulating layer 502 on feeding material tube inner wall is set, and the first insulated thermal insulating layer is equipped with heating chamber 503, heating chamber Inside be equipped with bobbin 504, bobbin is equipped with heating coil 505, and heating coil is connect by conducting wire with control cabinet, heating 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 that setting exists 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 with The inside of feeding barrel is connected, and elastic block piece group is made of several elastic block pieces 603, the elasticity gear in adjacent spring baffle group Piece is staggered, and one end of elastic block piece and the inner wall of feed hopper connect, and the other end of elastic block piece is the inner wall with feed hopper Parallel arc-shaped structure.Cylindrical external thread on approach section be uniform pitch and etc. spirals groove depth structure, on compression section Circular cone external screw thread be that screw pitch is equal and spiral groove depth not equal structure.The bottom of heating panel is equipped with temperature sensor, temperature Degree 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 a kind of shredded plastic feeding device shown in Fig. 7, including 1 He of bracket The feeding barrel 2 being inclined on bracket, the lower end of feeding barrel are equipped with driving motor 3, and the inside of feeding barrel is equipped with spiral shell Conveying axis 4 is revolved, 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, The lower part of feeding barrel is equipped with the feeding device 6 of entrance upward, and feeding device is connected with the inside of feeding barrel, feeding barrel Top be equipped with the discharging device 7 of outlet direction, discharging device is connected with the inside of feeding barrel；Driving motor includes setting Cabinet 301 on bracket and the component 302 being made of stator, rotor and winding that cabinet inside is set, one end of cabinet For hatch frame, the open end of cabinet is equipped with end cap 303, and end cap is equipped with connecting terminal 304, connecting terminal by conducting wire with around Group connection, end cap are equipped with shield 305, and the end of rotor is arranged in the drive shaft of driving motor；Screw conveyor shaft is by coaxially setting The approach section 401 set 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 being arranged on bracket 501 and the first insulated thermal insulating layer 502 for being arranged on feeding material tube inner wall, the first insulated thermal insulating layer be equipped with heating chamber 503, add The inside of hot chamber is equipped with bobbin 504, and bobbin is equipped with heating coil 505, and heating coil is connect by conducting wire with control cabinet, Heating 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 The several layers elastic block piece group 602 setting the feed hopper 601 above feeding barrel lower part and being arranged on feed hopper inner wall, charging Bucket is connected with the inside of feeding barrel, and elastic block piece group is made of several elastic block pieces 603, the bullet in adjacent spring baffle group Property baffle be staggered, the inner wall of one end of elastic block piece and feed hopper connects, and the other end of elastic block piece is and feed hopper The parallel arc-shaped structure of inner wall；Discharging device includes the discharge bucket that the tapered structure of feeding barrel below an upper section is arranged in 701 and the taper Cellular Networks 702 that are arranged on discharge bucket inner wall, taper honeycomb top line of the net discharging direction be 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.Connect between end cap and cabinet for interference It connects.Shield 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.Cylindrical external thread on approach section be uniform pitch and etc. spirals groove depth structure, the circular cone external screw thread on compression section is spiral shell The structure not waited away from not equal and spiral groove depth.The junction of circular cone external screw thread and cylindrical external thread, the externally threaded screw pitch of circular cone Less than the screw pitch with cylindrical external thread.First insulated thermal insulating layer and the second insulated thermal insulating layer are made of insulated heat material.Add Hot panel is steel structure panel.The bottom of heating panel is equipped with temperature sensor, and temperature sensor is electrically connected with control cabinet.Elasticity Baffle is obliquely installed upwards on the inner wall of feed hopper.Angle between elastic block piece and feed hopper inner wall is 45~60 degree.Elasticity Development length of the baffle on feed hopper inner wall is no more than a quarter of feed hopper respective inner walls circumference, each layer of elastic block piece Elastic block piece in group has 1~4.The width of elastic block piece is no more than 1/5th of feed hopper respective inner walls diameter.Hangnail It is structure as a whole between plate and taper Cellular Networks.It is to be detachably connected between taper Cellular Networks and discharge bucket.Hangnail plate has 2~6 Block.

The working principle of the utility model are as follows:

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 utility model has the following beneficial effects: (1) the utility model is by being arranged connecting terminal on end cap 303 304 carry out wiring, more traditional wiring direct on winding, and the mode of connection is relatively simple；By setting shield 305 come opposite end Lid and connecting terminal are protected, so that connecting terminal will not break down because extraneous factor influences easily；(2) this is practical new Type on approach section 401 by being arranged cylindrical external thread 403, by outside the setting of compression section 402 circular cone external screw thread 404, circular cone To be smoothly connected between screw thread and cylindrical external thread, according to the properities optimization of the raw material structure of helical blade, reducing raw material The transfer efficiency that raw material is increased while to helical blade abrasion, reduces energy consumption to the full extent, improves productivity； (3) the utility model leads to the setting drying unit 5 on the inner wall of feeding barrel 2, so that feeding device is integrally provided with drying and removes Wet effect；By on the bobbin 504 inside heating chamber 503 be arranged heating coil 505, using the structure of electromagnetic heating come Realize the effect of the drying dehumidification of feeding device, thermal conversion rate is higher, and drying effect is preferable；By in heating chamber and feeding barrel Inner wall between the first insulated thermal insulating layer 502 is set, the second insulated thermal insulating layer 506 is set between heating chamber and heating panel, So that the safety of drying unit is higher；(4) the utility model on 601 inner wall of feed hopper by being arranged several layers elastic block piece Group 602, and the elastic block piece in adjacent spring baffle group is staggered, so that raw material is during entering feed hopper 601, It can further be uniformly mixed under the barrier effect layer by layer of elastic block piece group, under the elastic reaction of elastic block piece, can make Raw material is mutually hit, and is had the raw material being adhered that can scatter before, is relieved and be adhered；The other end of elastic block piece is designed as and is fed The parallel arc-shaped structure of the inner wall of bucket, and can be realized the smooth blanking of raw material, realize that preferably mixing and releasing are adhered Effect；(5) the utility model on the inner wall of discharge bucket 701 by being arranged taper Cellular Networks 702, and in taper Cellular Networks Several hangnail plates 703 are set, and waste plastics can largely rub sliding after taper Cellular Networks and hangnail plate when by discharge bucket Out, the inner wall of waste plastics is protected by taper Cellular Networks and hangnail plate, will not be worn, is provided with longer service life, It wherein also has part waste plastics piece to be trapped in taper Cellular Networks and hangnail plate, shredded plastic piece is when sliding and is trapped in cone Shredded plastic piece in shape Cellular Networks and hangnail plate rubs, the shredded plastic piece being trapped in taper Cellular Networks and hangnail plate Also certain protective role is played to taper Cellular Networks and hangnail plate, designed more ingenious；(6) feeding barrel 2 tilt angle It rationally designs so that feeding barrel can adapt to the injection molding machine of different height, raw material can preferably be inputted in injection molding machine；Rolling Wheel 8 enables entire feeding device flexibly to move；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；Integrally formed cabinet, reaches integral sealing effect, it is no longer necessary to which other auxiliary seals are arranged It applies；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 structure, circular cone external screw thread 404 is designed as to screw pitch is not equal and spiral groove depth Equal structure not retrieved the abrasion in the eyes to helical blade while reaching higher transfer efficiency yet, so that helical blade It is more durable；The design of such structure, enables the raw material being sent by cylindrical external thread in the externally threaded upstream end quilt of circular cone The helicla flute on circular cone external screw thread is filled up in compression, and then has bigger conveying capacity, transfer efficiency with higher；Insulated heat Material has heat preservation and insulation performance well；Steel construction heating panel 507 can be realized more preferably under the action of heating coil Self-heating, guarantee drying unit thermal conversion rate with higher；Temperature sensor can be real by the temperature at heating panel When pass to control cabinet so that control cabinet preferably controls the work of heating coil 505, realize accurate temperature control；(8) Raw material preferably can be stopped and be rebounded, make the mixing of raw material more evenly, the elastic force released when being adhered is bigger；Reasonable angle The design of degree, so that the effect that mixing and rebound releasing that elastic block piece 603 plays are adhered is more preferable；The size of elastic block piece and Quantitative design enables elastic block piece preferably to adapt to entire feed hopper 601, and the arranged on the inner wall of feed hopper Well, it plays and is preferably uniformly mixed and releases the effect being adhered；Integral structure manufacture easy to process；Be detachably connected convenient for pair Taper Cellular Networks 702 are cleaned and are replaced.

Claims (4)

1. a kind of shredded plastic feed mechanism, it is characterized in that: including bracket (1) and the feeding barrel being inclined on bracket (2), the lower end of the feeding barrel is equipped with driving motor (3), and the inside of the feeding barrel is equipped with screw conveyor shaft (4), institute The driving axis connection of screw conveyor shaft lower end and driving motor is stated, the inner wall of the feeding barrel is equipped with drying unit (5), institute The lower part for stating feeding barrel is equipped with the feeding device (6) of entrance upward, and the feeding device is connected with the inside of feeding barrel, The top of the feeding barrel is equipped with the discharging device (7) of outlet direction, and the discharging device is connected with the inside of feeding barrel It is logical；The screw conveyor shaft is made of the approach section (401) being coaxially disposed and compression section (402), and the approach section is equipped with circle Column external screw thread (403), the compression section are equipped with circular cone external screw thread (404), the externally threaded end of circular cone and the outer spiral shell of cylinder Line end is smoothly connected；The drying unit includes the control cabinet (501) being arranged on bracket and is arranged in feeding material tube inner wall On the first insulated thermal insulating layer (502), first insulated thermal insulating layer be equipped with heating chamber (503), the inside of the heating chamber Equipped with bobbin (504), the bobbin is equipped with heating coil (505), and the heating coil is connected by conducting wire and control cabinet It connects, the heating chamber is equipped with the second insulated thermal insulating layer (506), and second insulated thermal insulating layer is equipped with heating panel (507)； The feeding device includes the feed hopper (601) being arranged in above feeding barrel lower part and is arranged in several on feed hopper inner wall Layer elastic block piece group (602), the feed hopper are connected with the inside of feeding barrel, if the elastic block piece group is kept off by dry elasticity Piece (603) is constituted, and the elastic block piece in adjacent spring baffle group is staggered, one end of the elastic block piece and feed hopper it is interior Wall connection, the other end of the elastic block piece are the arc-shaped structure parallel with the inner wall of feed hopper.

2. a kind of shredded plastic feed mechanism according to claim 1, it is characterized in that: the outer spiral shell of cylinder on the approach section Line be uniform pitch and etc. spirals groove depth structure, the circular cone external screw thread on the compression section is screw pitch not equal and spiral groove depth Not equal structure.

3. a kind of 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. a kind of shredded plastic feed mechanism according to claim 1, it is characterized in that: the elastic block piece is in feed hopper It is obliquely installed upwards on inner wall.