CN112428520A

CN112428520A - Utilize plastics of cyclone pay-off to mould plastics and use feeding device

Info

Publication number: CN112428520A
Application number: CN202011260148.0A
Authority: CN
Inventors: 凌美练; 李薇; 王进
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-03-02

Abstract

The invention relates to the technical field of plastic injection molding, and discloses a feeding device for plastic injection molding by utilizing cyclone feeding, which comprises a cyclone feeding pipe and a feeding hopper, wherein the center position inside the cyclone feeding pipe is fixedly connected with a cyclone blade, the outer side wall of the cyclone feeding pipe is fixedly connected with an impurity discharging pipe, the other end of the cyclone feeding pipe is fixedly connected with a discharging pipe, and one end of the cyclone feeding pipe is fixedly connected with a feeding pipe; and get into the loading hopper by the discharging pipe, accomplish the transport to the raw materials, and simultaneously, the centrifugal force that heavier impurity produced is great, make it along cyclone blade outside level get into in the impurity discharge tube, accomplish the separation to impurity, and simultaneously, still be equipped with in the feeding tube and break up the blade, it drives its rotation by the air current to break up the blade, when the raw materials gets into the feeding tube, break up the raw materials, make the raw materials granule that glues and is pasted together broken up, further hoisting device is to the treatment effect of raw materials.

Description

Utilize plastics of cyclone pay-off to mould plastics and use feeding device

Technical Field

The invention relates to the technical field of plastic injection molding, in particular to a feeding device for plastic injection molding by utilizing cyclone feeding.

Background

Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding. The injection molding can be also classified into an injection molding method and a die casting method, and the injection molding machine is also called an injection molding machine or an injection agent. The plastic injection molding machine is main molding equipment for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by utilizing a plastic molding die, and at present, when plastic parts are subjected to injection molding, raw materials are generally required to be pretreated so as to improve the purity of the raw materials and improve the injection molding quality.

Among the prior art, feeding device generally need experience the raw materials dispersion, break up, dehumidify and get rid of multichannel processes such as impurity, and its area is big, and manufacturing cost is higher, simultaneously, at reinforced in-process, the jam of raw materials still can appear, in addition, the conveying capacity of adjusting the raw materials according to how much of raw materials that can not be intelligent, intelligent degree is low.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a feeding device for plastic injection molding by utilizing cyclone feeding, which has the advantages that the raw materials can be dispersed, scattered, dehumidified and impurity-removed only by one process by utilizing the principle of cyclone separation, and the conveying speed can be automatically adjusted according to the quantity of the raw materials, so that the problems that the feeding device usually needs to undergo multiple processes of raw material dispersion, scattering, dehumidification, impurity-removal and the like are solved, the floor area is large, the production cost is high, meanwhile, the raw materials are blocked in the feeding process, in addition, the conveying quantity of the raw materials cannot be intelligently adjusted according to the quantity of the raw materials, and the intelligent degree is low.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a feeding device for plastic injection molding by utilizing cyclone feeding comprises a cyclone feeding pipe and a feeding hopper, wherein a cyclone blade is fixedly connected to the central position inside the cyclone feeding pipe, an impurity discharging pipe is fixedly connected to the outer side wall of the cyclone feeding pipe, a discharging pipe is fixedly connected to the other end of the cyclone feeding pipe, a feeding pipe is fixedly connected to one end of the cyclone feeding pipe, a feeding hopper is fixedly connected to the outer side wall of the feeding pipe, and scattering blades are rotatably connected to the inside of the feeding pipe;

the improved cyclone feeder comprises a feeding hopper, a discharging pipe, a base, a side rod, a spring, a piezoelectric plate, a rotating shaft, a wind shield and a dredging rod, wherein the feeding hopper is positioned on one side of the cyclone feeding pipe, the feeding hopper is communicated with the discharging pipe, the base is fixedly connected with the bottom of the feeding hopper, the side rod is fixedly connected with the bottom of the base, the spring is fixedly connected with the inside of the side rod, the piezoelectric plate is fixedly connected with the upper end and the lower end of the spring, the rotating shaft is rotatably connected with the inside.

Preferably, the cyclone blades are of spiral sheet structures which are alternately arranged, the cyclone blades are fixed at the center of the interior of the cyclone feeding pipe through a central shaft body, and the mixture of the raw material and the air flow performs cyclone motion when passing through the cyclone blades.

Preferably, the diameter of the hole in the discharge pipe is reduced towards one side of the charging hopper, and the discharge pipe is a venturi, so that the air flow velocity can be increased when raw materials enter the discharge pipe.

Preferably, the one end fixedly connected with fan of inlet pipe, the inside of inlet pipe is close to one side fixedly connected with heater strip of fan, the heater strip heats the air current that produces.

Preferably, a filter screen is fixedly connected to the inside of the cyclone feeding pipe, a water absorption part is fixedly connected to the inside of the filter screen, a water absorption sponge is fixedly connected to the inside of the water absorption part, a condensation pipe is fixedly connected to the inside of the water absorption sponge, the filter screen filters large impurities, the impurities are prevented from entering the inside of the filter screen, and the water absorption sponge absorbs steam.

Preferably, the condenser pipe is uniformly arranged inside the water absorption sponge, a refrigerant is filled inside the condenser pipe, and the refrigerant can be dry ice or liquid nitrogen, so that the refrigerant provides a cold source for the condenser pipe.

Preferably, the four wind deflectors and the dredging rods are centrosymmetrically distributed according to the position of the circle center of the rotating shaft, the wind deflectors are located above the dredging rods, and the wind deflectors and the dredging rods are uniformly distributed around the rotating shaft.

(III) advantageous effects

Compared with the prior art, the invention provides a feeding device for plastic injection molding by cyclone feeding, which has the following beneficial effects:

1. the plastic injection molding feeding device utilizing cyclone feeding comprises a cyclone feeding pipe, cyclone blades distributed along the center of the cyclone feeding pipe are arranged inside the cyclone feeding pipe, a feeding pipe is arranged at one end of the cyclone feeding pipe, a fan is arranged at one end of the feeding pipe, when raw materials enter the feeding pipe, air flow generated by the fan is introduced into the cyclone feeding pipe, the raw materials are scattered in the cyclone feeding pipe, meanwhile, when a mixture of the raw materials and the air flow passes through the cyclone blades, cyclone is generated, according to the action of centrifugal force, the centrifugal force generated by light plastic particle raw materials is small, the light plastic particle raw materials can horizontally enter a discharging pipe along the cyclone blades, and enter a feeding hopper through the discharging pipe, the conveying of the raw materials is completed, meanwhile, the centrifugal force generated by heavy impurities is large, the light plastic particle raw materials horizontally enter the impurity discharging pipe along the outer side of the cyclone blades, simultaneously, still be equipped with in the inlet tube and break up the blade, break up the blade and drive its rotation by the air current, when the raw materials gets into in the inlet tube, break up the raw materials, make to glue the raw materials granule of gluing together and broken up, further hoisting device is to the treatment effect of raw materials.

2. This utilize plastics of cyclone pay-off to mould plastics and use feeding device, inside through at the inlet pipe sets up the heater strip, when making the fan introduce inlet pipe department with the outside air, the heater strip is direct to the air heat, make the air that gets into in the cyclone pay-off have certain temperature, make the raw materials in the cyclone pay-off scattered and heating by the air current, make the steam on the raw materials can the rapid evaporation, and simultaneously, inside through at the cyclone pay-off pipe sets up the water absorption portion, be equipped with water absorption sponge and condenser pipe in the water absorption portion, make the steam of evaporation get into in the water absorption sponge under the effect of centrifugal force, accomplish the absorption to steam, and simultaneously, condenser pipe in the water absorption sponge can be better absorbs the steam condensation.

3. This plastics that utilize cyclone pay-off mould plastics and use feeding device, put the department through the inside center at the loading hopper and set up the rotation axis, the outside of rotation axis sets up four deep beads, make the angle between two adjacent deep beads be ninety degrees, make the raw materials when getting into the loading hopper, the raw materials is because inertial effect, it is rotatory to drive the rotation axis on the deep bead, make the rotatory epaxial deep bead at rotatory in-process, divide the material to the raw materials, make the raw materials can be even get into around the loading hopper, effectively avoided the raw materials to pile up in a point, lead to taking place the phenomenon of jam, and simultaneously, through setting up four guide bars on the rotation axis that is located the below of deep bead, it is rotatory to make guide bar follow the rotation axis, when the raw materials are too much, guide bar can stir the raw materials, and then further avoided the inside jam of raw materials.

4. This plastics that utilize cyclone pay-off mould plastics and use feeding device, bottom through at the loading hopper sets up the base, the both sides of base are equipped with the side lever, be equipped with spring and piezoelectric plate on the side lever, make the spring exert pressure to the piezoelectric plate, and simultaneously, the piezoelectric plate provides the holding power to the loading hopper, utilize the characteristic of piezoelectric plate, when the raw materials in the loading hopper of top is too much, the weight that produces is just also big more, make the loading hopper just big more to the pressure that the piezoelectric plate was exerted, the electric current that produces on the messenger piezoelectric plate is just high more, make the wind speed of piezoelectric plate control fan, reduce the conveying speed of raw materials, it is corresponding, when the raw materials in the loading hopper of top is too little, the wind speed of piezoelectric plate control fan, promote the conveying speed of raw materials, make the device nimble and intelligent more.

Drawings

FIG. 1 is a cross-sectional view of a cyclone feed tube, feed tube and hopper of the present invention;

FIG. 2 is an enlarged view of FIG. 1 taken at A in the present invention;

FIG. 3 is a transverse cross-sectional view of the cyclone feed tube of the present invention;

FIG. 4 is a schematic view of the water absorption part of the present invention;

fig. 5 is a view showing the arrangement relationship between the wind deflector and the deflector rod and the rotation shaft according to the present invention.

In the figure: 1. a cyclone feeding pipe; 11. a cyclonic blade; 12. an impurity discharge pipe; 13. a discharge pipe; 2. a feed pipe; 21. a feed hopper; 22. scattering leaves; 3. a fan; 31. heating wires; 4. a filter screen; 41. a water-absorbing part; 42. a water-absorbing sponge; 43. a condenser tube; 5. a hopper; 51. a base; 52. a side lever; 53. a spring; 54. a piezoelectric plate; 6. a rotating shaft; 61. a wind deflector; 62. and (4) thinning the guide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a feeding device for plastic injection molding using cyclone feeding comprises a cyclone feeding pipe 1 and a feeding hopper 5, wherein a cyclone blade 11 is fixedly connected to the center of the cyclone feeding pipe 1, the cyclone blade 11 is a spiral sheet structure alternately arranged, the cyclone blade 11 is fixed to the center of the cyclone feeding pipe 1 through a central shaft, the mixture of raw material and air current performs cyclone motion when passing through the cyclone blade 11, an impurity discharging pipe 12 is fixedly connected to the outer side wall of the cyclone feeding pipe 1, a discharging pipe 13 is fixedly connected to the other end of the cyclone feeding pipe 1, the inner diameter of the discharging pipe 13 is reduced toward one side of the feeding hopper 5, the discharging pipe 13 is a venturi tube, so that the air velocity can be increased when the raw material enters the discharging pipe 13, a feeding pipe 2 is fixedly connected to one end of the cyclone feeding pipe 1, and a feeding hopper 21 is fixedly connected to the outer side wall of the feeding, the inner part of the feeding pipe 2 is rotatably connected with a scattering blade 22, one end of the feeding pipe 2 is fixedly connected with a fan 3, one side of the inner part of the feeding pipe 2, which is close to the fan 3, is fixedly connected with a heating wire 31, the heating wire 31 heats generated air flow, the inner part of the cyclone feeding pipe 1 is fixedly connected with a filter screen 4, the inner part of the filter screen 4 is fixedly connected with a water absorption part 41, the inner part of the water absorption part 41 is fixedly connected with a water absorption sponge 42, the inner part of the water absorption sponge 42 is fixedly connected with a condenser pipe 43, thirty three condenser pipes 43 are arranged, the inside of the condenser pipe 43 is filled with liquid nitrogen, the refrigerant can be dry ice or liquid nitrogen, so that the refrigerant can provide a cold source for the condenser pipe 43, the;

hopper 5 is located one side of whirlwind conveying pipe 1, hopper 5 and discharging pipe 13 intercommunication, the bottom fixedly connected with base 51 of hopper 5, base 51's bottom fixedly connected with side lever 52, side lever 52's inside fixedly connected with spring 53, the equal fixedly connected with piezoelectric plate 54 in upper and lower both ends of spring 53, the inside central point department of putting of hopper 5 rotates and is connected with rotation axis 6, rotation axis 6's lateral wall fixedly connected with deep bead 61 and leading pole 62 of dredging, deep bead 61 and leading pole 62 all are equipped with four, four deep beads 61 and leading pole 62 refer to the centre of a circle position department central symmetry distribution of rotation axis 6, deep bead 61 is located the top of leading pole 62.

The working principle is as follows: when in use, firstly, the fan 3 is started, the fan 3 leads the outside air into the feeding pipe 2 to form air flow, then the raw material enters the feeding pipe 2 from the feeding hopper 21, when the raw material enters the feeding pipe 2, the raw material is led into the cyclone feeding pipe 1 by the air flow to be scattered in the cyclone feeding pipe 1, meanwhile, when the mixture of the raw material and the air flow passes through the cyclone blades 11, cyclone is generated, and according to the action of centrifugal force, the centrifugal force generated by light plastic particle raw material is smaller, so that the light plastic particle raw material can horizontally enter the discharging pipe 13 along the cyclone blades 11 and enters the feeding hopper 5 from the discharging pipe 13 to finish the conveying of the raw material, meanwhile, the centrifugal force generated by heavy impurities is larger, so that the heavy impurities horizontally enter the impurity discharging pipe 12 along the outer side of the cyclone blades 11 to finish the separation of the impurities, meanwhile, scattering blades 22 are also arranged in the feeding pipe, and the scattering blades, when the raw material enters the feeding pipe 2, the raw material is scattered, so that raw material particles stuck together are scattered.

The centrifugal expression is as follows:

F＝mω²r

f: centrifugal force;

m: mass, i.e. the mass of the raw material particles;

ω: an angular velocity;

r: a radius.

According to the centrifugal formula, the centrifugal force is in direct proportion to the mass, so that the centrifugal force generated by heavier steam and impurities is larger, and the heavier steam and the lighter raw materials are layered to achieve the purpose of separation.

Please refer to fig. 1 and fig. 3 for the above structure and process.

When fan 3 introduces inlet pipe 2 department with the outside air, heater strip 31 directly heats the air, make the air that gets into in cyclone conveying pipe 1 have certain temperature, make the raw materials in cyclone conveying pipe 1 broken up and heat by the air current, make the steam on the raw materials can rapid evaporation, and simultaneously, set up water absorption portion 41 through the inside at cyclone conveying pipe 1, be equipped with water absorption sponge 42 and condenser pipe 43 in the water absorption portion 41, make the steam of evaporation get into water absorption sponge 42 under the effect of centrifugal force in, accomplish the absorption to steam, and simultaneously, condenser pipe 43 in the water absorption sponge 42 can be better absorbs the steam condensation.

The structure and process are shown in fig. 1 and 4.

When the raw materials is in getting into loading hopper 5, the raw materials is because inertial effect, it is rotatory to drive rotation axis 6 on the deep bead 61, make deep bead 61 on the rotation axis 6 at rotatory in-process, divide the material to the raw materials, make raw materials can be even get into around loading hopper 5, effectively avoided the raw materials to pile up at a point, lead to taking place the phenomenon of jam, and simultaneously, through set up four guide bars 62 of loosing on rotation axis 6 that is located the below of deep bead 61, it is rotatory to make guide bar 62 of loosing follow rotation axis 6, when the raw materials is too much, guide bar 62 of loosing can stir the raw materials, and then further avoided the raw materials to block up in the inside of loading hopper 5.

Please refer to fig. 1 and 5 for the above structure and process.

When the raw material in the upper hopper 5 is too much, the generated weight is larger, the pressure applied to the piezoelectric plate 54 by the hopper 5 is larger, the current generated on the piezoelectric plate 54 is higher, the wind speed of the fan 3 is controlled by the piezoelectric plate 54, and the conveying speed of the raw material is reduced.

Please refer to fig. 1 and fig. 2 for the above structure and process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an utilize plastics of cyclone pay-off to mould plastics and use feeding device, includes cyclone conveying pipe (1) and loading hopper (5), its characterized in that: a cyclone blade (11) is fixedly connected to the center of the interior of the cyclone feeding pipe (1), an impurity discharging pipe (12) is fixedly connected to the outer side wall of the cyclone feeding pipe (1), a discharging pipe (13) is fixedly connected to the other end of the cyclone feeding pipe (1), a feeding pipe (2) is fixedly connected to one end of the cyclone feeding pipe (1), a feeding hopper (21) is fixedly connected to the outer side wall of the feeding pipe (2), and scattering blades (22) are rotatably connected to the interior of the feeding pipe (2);

hopper (5) are located one side of whirlwind conveying pipe (1), hopper (5) with discharging pipe (13) intercommunication, bottom fixedly connected with base (51) of hopper (5), bottom fixedly connected with side lever (52) of base (51), inside fixedly connected with spring (53) of side lever (52), the equal fixedly connected with piezoelectric plate (54) in upper and lower both ends of spring (53), the inside central point of hopper (5) puts the department and rotates and is connected with rotation axis (6), the lateral wall fixedly connected with deep bead (61) and the mediation pole (62) of rotation axis (6).

2. The feeding device for plastic injection molding using cyclone feeding as claimed in claim 1, wherein: the cyclone blades (11) are in spiral sheet structures which are alternately arranged, and the cyclone blades (11) are fixed at the center of the interior of the cyclone feeding pipe (1) through a central shaft body.

3. The feeding device for plastic injection molding using cyclone feeding as claimed in claim 1, wherein: the diameter of the hole in the discharging pipe (13) is reduced towards one side of the charging hopper (5).

4. The feeding device for plastic injection molding using cyclone feeding as claimed in claim 1, wherein: one end fixedly connected with fan (3) of inlet pipe (2), the inside of inlet pipe (2) is close to one side fixedly connected with heater strip (31) of fan (3).

5. The feeding device for plastic injection molding using cyclone feeding as claimed in claim 1, wherein: the cyclone water-absorbing device is characterized in that a filter screen (4) is fixedly connected to the inside of the cyclone feeding pipe (1), a water absorbing part (41) is fixedly connected to the inside of the filter screen (4), a water absorbing sponge (42) is fixedly connected to the inside of the water absorbing part (41), and a condensation pipe (43) is fixedly connected to the inside of the water absorbing sponge (42).

6. The feeding device for plastic injection molding using cyclone feeding as claimed in claim 5, wherein: the condensation pipes (43) are uniformly arranged inside the water absorption sponge (42), and refrigerants are filled inside the condensation pipes (43).

7. The feeding device for plastic injection molding using cyclone feeding as claimed in claim 1, wherein: the four wind deflectors (61) and the guide bars (62) are distributed in a centrosymmetric mode according to the circle center position of the rotating shaft (6), and the wind deflectors (61) are located above the guide bars (62).