CN219055131U - Stirring hopper for injection molding - Google Patents

Abstract

The utility model provides a stirring hopper for injection molding, which comprises a discharging hopper and an upper hopper, wherein the upper hopper is rotationally connected to the upper end of the discharging hopper, and a connecting pipe is arranged at the lower end of the discharging hopper; the outer downside of the upper hopper is fixed with the external gear, and the lower hopper side is fixed with the motor cabinet, and the motor is installed to the motor cabinet upper end, and the output of motor is connected with the gear of being connected with external gear meshing, is fixed with the center pin in the middle of the upper hopper is inside, and the inside inner chamber that is equipped with of center pin is fixed with the vertical axis in the middle of the lower hopper is inside, and the vertical axis upper end runs through to the inner chamber inside and the inner chamber rotates to be connected. Through setting up the side at the hopper down with the motor, when motor drive gear rotates like this, the gear can drive outer ring gear and rotate to this makes outer ring gear drive the feeding funnel and rotates, and the feeding funnel can drive center pin, (mixing) shaft, side axle synchronous rotation like this, and the (mixing) shaft can the rotation drive side axle activity simultaneously, thereby can not hinder the feeding in, still improved the effect of stirring mixed polychrome plastic particle.

Description

Stirring hopper for injection molding

Technical Field

The utility model relates to the technical field of injection molding equipment, in particular to a stirring hopper for injection molding.

Background

Injection molding machines are also known as injection molding machines or injection molding machines. The plastic molding machine is mainly used for molding thermoplastic plastics or thermosetting plastics into plastic products with various shapes by using a plastic molding die, and is divided into vertical, horizontal and full-electric type, and the plastic can be heated by an injection molding machine, and high pressure is applied to molten plastics so as to make the molten plastics be injected to fill a die cavity of the die. At present, single-color plastic particles can be directly added into an injection molding machine for use, but double-color or multi-color plastic particles can be added into the injection molding machine for use after being mixed and stirred, so that a hopper with a stirring mechanism is additionally arranged on an extrusion device of the injection molding machine. At present, when the multicolor plastic particles are mixed by stirring, most of stirring hoppers are provided with motors at the upper parts of the hoppers, so that the feeding space is blocked, and when the plastic particles with various colors are poured into the stirring hoppers, a feeding hole is required to be arranged at the side surface, and thus, the feeding hole is smaller, and the feeding speed is influenced.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a stirring hopper for injection molding, so as to solve the problems that when multicolor plastic particles are stirred and mixed in the existing stirring hopper, most of the stirring hopper is provided with a motor at the upper part of the hopper, so that the feeding space is blocked, and when plastic particles with various colors are poured into the stirring hopper, a feeding hole is required to be arranged at the side surface, and the feeding hole is smaller, so that the feeding speed is influenced.

The stirring hopper for injection molding comprises a discharging hopper and an upper hopper, wherein the upper hopper is rotationally connected to the upper end of the discharging hopper, and a connecting pipe is arranged at the lower end of the discharging hopper;

the utility model discloses a motor, including upper hopper, lower hopper, motor, lower hopper, gear, center pin, stirring shaft, lower hopper, gear, lower hopper, motor cabinet, upper hopper, lower hopper, gear cabinet, the outside downside of upper hopper is fixed with outer gear ring, the motor cabinet is fixed with to the side of lower hopper, the motor is installed to the motor cabinet side, the output of motor is connected with the gear that is connected with outer gear ring engagement, be fixed with the center pin in the middle of the inside of upper hopper, the inside inner chamber that is equipped with of center pin, be fixed with the vertical axis in the middle of the inside of lower hopper, the vertical axis upper end runs through to the inside and the inner chamber rotation of inner chamber and is connected, the vertical axis outside is fixed with bevel gear two, bevel gear two upper portion left and right sides symmetrical meshing are connected with two bevel gears, the one end of bevel gear is fixed with the (mixing) shaft, the center pin is run through the center pin and rotates with the center pin at the end, the (mixing) shaft surface is equipped with the side.

Preferably, the outer gear ring lower extreme is fixed with the swivel, the swivel inboard is fixed with annular boss, lower hopper outer wall top is equipped with round annular groove, annular boss inboard is located annular groove inside and with annular groove sliding connection, annular boss inner wall and annular groove tank bottom all open there is annular rolling groove, be annular even roll connection have a plurality of balls between the annular rolling groove.

Preferably, an upper fixing seat is fixed at the upper end of the central shaft, and an upper fixing rod is fixed between the upper fixing seat and the inner wall of the upper hopper.

Preferably, a lower fixing seat is fixed at the lower end of the vertical shaft, and a lower fixing rod is fixed between the lower fixing seat and the inner wall of the lower hopper.

Preferably, a bearing is arranged between the outside of the stirring shaft and the central shaft, and sealing rings are arranged on the outer sides of two ends of the bearing.

Preferably, stirring rods are fixed at the lower sides of the left end and the right end of the central shaft, and are positioned in the discharging hopper.

The beneficial effects are that: through setting up the side at the hopper down with the motor, when motor drive gear rotates like this, the gear can drive outer ring gear and rotate to this makes outer ring gear drive the feeding funnel and rotates, and the feeding funnel can drive center pin, (mixing) shaft, side axle synchronous rotation like this, and the (mixing) shaft can the rotation drive side axle activity simultaneously, thereby can not hinder the feeding in, still improved the effect of stirring mixed polychrome plastic particle.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a partial schematic view of FIG. 1 according to the present utility model;

FIG. 3 is a schematic view of a bearing according to the present utility model.

In the figure: 1-lower hopper, 2-connecting pipe, 3-upper hopper, 4-outer gear ring, 5-motor cabinet, 6-motor, 7-gear, 8-swivel, 9-upper fixing seat, 10-upper fixed rod, 11-central shaft, 12-bearing, 13-bevel gear one, 14-stirring shaft, 15-side shaft, 16-vertical shaft, 17-bevel gear two, 18-lower fixing seat, 19-lower fixed rod, 20-stirring rod, 21-inner cavity, 22-annular groove, 23-annular boss, 24-annular rolling groove, 25-ball and 26-sealing ring.

Detailed Description

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

Referring to fig. 1-3, a stirring hopper for injection molding comprises a discharging hopper 1 and an feeding hopper 3, wherein the feeding hopper 3 is rotatably connected to the upper end of the discharging hopper 1, a connecting pipe 2 is arranged at the lower end of the discharging hopper 1, the connecting pipe 2 is arranged for connecting a valve with an injection molding machine, so that the valve is opened, multicolor plastic particles which are stirred and mixed in the discharging hopper 1 and the feeding hopper 3 can be downwards discharged into the injection molding machine from the connecting pipe 2, and then injection molding can be performed;

an outer gear ring 4 is fixed at the lower side of the outer part of the feeding hopper 3, a motor seat 5 is fixed at the side surface of the discharging hopper 1, a motor 6 is installed at the upper end of the motor seat 5, a gear 7 meshed with the outer gear ring 4 is connected to the output end of the motor 6, and the gear 7 can be driven to rotate through the motor 6, so that the gear 7 can drive the outer gear ring 4 to rotate, and the outer gear ring 4 can drive the feeding hopper 3 to rotate above the discharging hopper 1;

the lower end of the outer gear ring 4 is fixedly provided with a swivel 8, the inner side of the swivel 8 is fixedly provided with an annular boss 23, a circle of annular groove 22 is arranged above the outer wall of the discharging hopper 1, the inner side of the annular boss 23 is positioned in the annular groove 22 and is in sliding connection with the annular groove 22, annular rolling grooves 24 are formed in the inner wall of the annular boss 23 and the bottom of the annular groove 22, a plurality of balls 25 are uniformly and annularly connected between the annular rolling grooves 24 in a rolling way, when the outer gear ring 4 drives the feeding hopper 3 to rotate, the annular boss 23 is driven to rotate in the annular groove 22, the balls 25 roll between the annular rolling grooves 24, and the annular boss 23 and the annular groove 22 are arranged to prevent the feeding hopper 3 from being separated from the discharging hopper 1;

a central shaft 11 is fixed in the middle of the inside of the upper hopper 3, an upper fixing seat 9 is fixed at the upper end of the central shaft 11, an upper fixing rod 10 is fixed between the upper fixing seat 9 and the inner wall of the upper hopper 3, the upper fixing seat 9 and the upper fixing rod 10 are used for fixing the central shaft 11, and only one upper fixing rod 10 is used, so that other spaces above the upper hopper 3 can be used for pouring plastic particles;

a vertical shaft 16 is fixed in the middle of the interior of the lower hopper 1, a lower fixing seat 18 is fixed at the lower end of the vertical shaft 16, a lower fixing rod 19 is fixed between the lower fixing seat 18 and the inner wall of the lower hopper 1, the lower fixing seat 18 and the lower fixing rod 19 are used for fixing the vertical shaft 16, and only one lower fixing rod 19 is used, so that other spaces below the lower hopper 1 can be used for discharging plastic particles;

the inside inner chamber 21 that is equipped with of center pin 11, the vertical shaft 16 upper end runs through to inner chamber 21 inside and inner chamber 21 rotation connection, the vertical shaft 16 outside is fixed with bevel gear two 17, bevel gear two 17 upper portion left and right sides symmetrical meshing is connected with two bevel gears one 13, the one end of bevel gear one 13 is fixed with (mixing) shaft 14, the stirring shaft 14 end runs through center pin 11 and rotates with center pin 11 to be connected, install bearing 12 between (mixing) shaft 14 outside and the center pin 11, sealing washer 26 is all installed in the outside of bearing 12 both ends, (mixing) shaft 14 surface is equipped with side shaft 15, both ends downside all is fixed with puddler 20 about the center pin 11, puddler 20 is located down hopper 1 inside, and when upper hopper 3 rotates, can drive center pin 11 synchronous rotation, so that center pin 11 and vertical shaft 16 rotate, and center pin 11 can drive (mixing) shaft 14 and be circular motion, so can make (mixing) shaft 14 stir the plastics particle, and simultaneously bevel gear one 13 can rotate with bevel gear two 17 meshing, so bevel gears one can drive (mixing) shaft 14 through bearing 12 rotation 12, bearing 26 is provided with in the bearing 12 both sides, and prevent that the side shaft 12 from getting into the plastics particle into the side shaft 10 simultaneously because of the side shaft 12 is fixed in the side carrier, can not mixing particles has the side carrier particle is fixed into the other on the side carrier, and can not prevent the side carrier particle from falling into the plastics particle simultaneously.

Working principle: firstly, multicolor plastic particles are directly poured from the upper part of the feeding hopper 3, then the gear 7 is driven to rotate by the motor 6, the gear 7 drives the outer gear ring 4 to rotate, the outer gear ring 4 drives the feeding hopper 3 to rotate above the discharging hopper 1, the feeding hopper 3 drives the central shaft 11 to synchronously rotate, so that the central shaft 11 rotates with the vertical shaft 16, the central shaft 11 drives the stirring shaft 14 to circularly move, the stirring shaft 14 can stir and mix the plastic particles, meanwhile, the bevel gear 13 can be meshed with the bevel gear II 17 to rotate, the bevel gear I13 can drive the stirring shaft 14 to rotate through the bearing 12, the stirring shaft 14 drives the side shaft 15 to stir the plastic particles, after stirring and mixing are finished, the valve can be opened, and the multicolor plastic particles stirred and mixed in the discharging hopper 1 and the feeding hopper 3 can be discharged into the injection molding machine from the connecting pipe 2.

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

Claims (6)

1. The utility model provides a stirring hopper for injection moulding, includes hopper (1) and charging hopper (3) down, charging hopper (3) rotate and connect in hopper (1) upper end down, hopper (1) lower extreme is equipped with connecting pipe (2), its characterized in that down:

the utility model discloses a motor and a motor, including hopper (3) and lower hopper (1), hopper (1) are fixed with outer ring gear (4), lower hopper (1) side is fixed with motor cabinet (5), motor (6) are installed to motor cabinet (5) upper end, the output of motor (6) is connected with gear (7) of being connected with outer ring gear (4) meshing, be fixed with center pin (11) in the middle of the inside of hopper (3), center pin (11) inside is equipped with inner chamber (21), be fixed with vertical shaft (16) in the middle of hopper (1) are inside down, vertical shaft (16) upper end runs through to inner chamber (21) inside and inner chamber (21) rotation connection, vertical shaft (16) outside is fixed with bevel gear two (17), bevel gear two (17) upper left and right sides symmetrical meshing is connected with two bevel gears (13), one end of bevel gear one (13) is fixed with (14), stirring shaft (14) end runs through center pin (11) and rotates with center pin (11), stirring shaft (14) surface is equipped with side shaft (15).

2. The stirring hopper for injection molding according to claim 1, wherein: the automatic feeding device is characterized in that a swivel (8) is fixed at the lower end of the outer gear ring (4), an annular boss (23) is fixed on the inner side of the swivel (8), a circle of annular groove (22) is formed in the upper portion of the outer wall of the feeding hopper (1), the inner side of the annular boss (23) is located inside the annular groove (22) and is in sliding connection with the annular groove (22), annular rolling grooves (24) are formed in the inner wall of the annular boss (23) and the bottom of the annular groove (22), and a plurality of balls (25) are uniformly connected between the annular rolling grooves (24) in an annular rolling mode.

3. The stirring hopper for injection molding according to claim 1, wherein: an upper fixing seat (9) is fixed at the upper end of the central shaft (11), and an upper fixing rod (10) is fixed between the upper fixing seat (9) and the inner wall of the upper hopper (3).

4. The stirring hopper for injection molding according to claim 1, wherein: a lower fixing seat (18) is fixed at the lower end of the vertical shaft (16), and a lower fixing rod (19) is fixed between the lower fixing seat (18) and the inner wall of the lower hopper (1).

5. The stirring hopper for injection molding according to claim 1, wherein: a bearing (12) is arranged between the outside of the stirring shaft (14) and the central shaft (11), and sealing rings (26) are arranged on the outer sides of two ends of the bearing (12).

6. The stirring hopper for injection molding according to claim 1, wherein: stirring rods (20) are fixed on the lower sides of the left end and the right end of the central shaft (11), and the stirring rods (20) are positioned in the discharging hopper (1).

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