CN205185255U - Feed system for extruder and stirring feeding machine thereof - Google Patents

Abstract

The utility model discloses a feeding system for an extruder and a stirring feeding machine thereof. The stirring feeder includes: a feeding barrel with openings at both ends and a feeding screw assembly arranged at the bottom opening of the lower feeding barrel for uniformly discharging the materials in the lower feeding barrel; the top of the lower feeding barrel The opening is provided with a cover plate, the bottom surface of the cover plate is provided with a stirring mechanism, the top surface of the cover plate is provided with a first motor, the output shaft of the first motor passes through the cover plate and is connected with the stirring mechanism to Drive the stirring mechanism to rotate. Through the above-mentioned embodiment, it is possible to make the resin base material and the powder in the feeding barrel homogeneously proportioned during production, so as to ensure that the subsequently extruded plastic meets the plasticity requirements.

Description

Feeding system for extruder and its stirring feeder

technical field

The utility model relates to a feeding system for an extruder and a stirring feeding machine thereof.

Background technique

In the modified plastics industry, the feeder in the extruder mechanism has the following components: feeding barrel, AC motor, and feeding screw. During normal production and use, if the proportion of plastic formula powder is relatively large (50%-60%) and the proportion of powder is low, during the raw material cutting process, powder and resin substrates are prone to delamination of powder and resin over time . As a result, the ratio of raw resin and powder fed to the extruder at the same time is not uniform, and the extruded plastic cannot meet the plasticity requirements and cannot be drawn into splines, which seriously affects the continuous production of the machine and the quality of the finished product.

Utility model content

To solve the above technical problems, the utility model provides a feeding system for an extruder and a stirring feeder thereof, which can make the ratio of the resin base material and the powder in the feeding barrel homogeneous in production to ensure the subsequent extrusion The plastic meets the plasticity requirements.

In order to solve the above technical problems, the utility model provides a stirring feeder, comprising: a feeding barrel with openings at both ends and an opening at the bottom of the feeding barrel for uniformly discharging the material in the feeding barrel The feeding screw assembly; the opening at the top of the lower barrel is provided with a cover plate, the bottom surface of the cover plate is provided with a stirring mechanism, the top surface of the cover plate is provided with a first motor, and the output shaft of the first motor runs through The cover plate is connected with the stirring mechanism to drive the stirring mechanism to rotate.

Further, the cover plate is openably and closably arranged at the top opening of the lower material bucket.

Further, the first motor is an adjustable frequency AC motor.

Further, the stirring mechanism includes a rotating shaft and stirring blades fixed on the rotating shaft, and the rotating shaft is fixedly connected to the output shaft of the first motor.

Further, the feeding bucket is in the shape of a funnel, and the number of the stirring blades is at least two.

Further, the stirring blades are in the shape of a right triangle, wherein, one right-angled side of each of the stirring blades is welded to the rotating shaft, the other right-angled side is perpendicular to the rotating shaft, and the hypotenuse is parallel to and spaced from the bottom of the lower barrel. Bevel setting.

Further, the stirring blades are quadrangular, and the stirring blades include a first right-angled side, a second right-angled side, a first hypotenuse and a second hypotenuse; the first right-angled sides of each of the stirring blades are welded to the rotating shaft The upper and second right-angled sides are perpendicular to the shaft, the first hypotenuse connected to the second right-angled side is parallel to and spaced from the slope of the lower bucket, and the second hypotenuse connected to the first right-angled side It is set at a certain inclination angle with the slope, wherein the angle formed between the first slope and the second slope is an obtuse angle.

Further, the feeding screw assembly at least includes a stirring chamber, a feeding screw and a second motor; the upper end of the stirring chamber is open, and the opening at the upper end of the stirring chamber abuts against the opening at the bottom of the lower barrel, the The feeding screw runs through the mixing chamber, the second motor is connected to the feeding screw and drives the feeding screw to rotate, wherein one end of the feeding screw passing through the mixing chamber is sheathed in an opening at both ends in the spiral chamber.

Further, the second motor is an AC motor.

In order to solve the above-mentioned technical problems, the utility model also provides a feeding system for an extruder, including: a stirring feeder as described in any one of the above-mentioned embodiments and an extruder with a feeding channel at the top; Wherein, the end of the feeding screw assembly in the stirring feeder away from the first motor is inserted into the feeding channel of the extruder.

The feeding system for the extruder and the stirring feeder thereof according to the embodiment of the utility model: a motor and a stirring mechanism driven by the motor are arranged on the cover plate at the top of the feeding barrel, so that during production, the The resin base material and powder can be homogeneously proportioned to achieve a product in line with the R&D design, thereby ensuring that the subsequent extruded plastic meets the plasticity requirements, thereby solving production technology problems, and greatly improving production efficiency and end product quality.

Description of drawings

Fig. 1 is a schematic structural view of the feeding system for the extruder of the present invention.

detailed description

The utility model will be described in detail below in conjunction with the accompanying drawings and embodiments.

Referring to FIG. 1 , the stirring feeder according to the embodiment of the utility model includes: a feeding barrel 1 and a feeding screw assembly 2 . Both ends (top and bottom) of the lower material barrel 1 are open, and the feeding screw assembly 2 is arranged at the bottom opening of the lower material barrel 1 to discharge the material in the lower material barrel 1 evenly. Wherein, a cover plate 3 is provided at the top opening of the feeding barrel 1, a stirring mechanism 5 is provided on the bottom surface of the cover plate 3, a first motor 4 is provided on the top surface of the cover plate 3, and the output shaft of the first motor 4 runs through the cover plate 3 and is connected with the cover plate 3. The stirring mechanism 5 is connected to drive the stirring mechanism 5 to rotate.

In a specific application embodiment, the cover plate 3 is openably and closably arranged at the top opening of the feeding barrel 1 , which can facilitate the cleaning and maintenance of the stirring mechanism 5 . Preferably, the stirring mechanism 5 is detachably connected to the first motor 4, and then the stirring mechanism 5 can be replaced according to actual needs to meet different stirring requirements.

Preferably, the first motor 4 is an AC motor with adjustable frequency, and according to the stirring requirement, the stirring speed and the like can be adjusted by adjusting the working frequency of the first motor 4 .

In a specific application embodiment, the stirring mechanism 5 includes a rotating shaft 51 and a stirring blade 52 fixed on the rotating shaft 51. The rotating shaft 51 is fixedly connected to the output shaft of the first motor 4. Specifically, the rotating shaft 51 is connected to the output shaft of the first motor 4. The shafts can be connected by bearings.

For example, the lower material barrel 1 can be in the shape of a funnel, and the number of stirring blades 52 is at least two. Wherein, the stirring blade 52 may have the following two structures.

In one structure, the stirring blades 52 are right-angled triangles, wherein one right-angled side of each stirring blade 52 is welded to the rotating shaft 51 , the other right-angled side is perpendicular to the rotating shaft 51 , and the hypotenuse is parallel to and spaced from the slope of the feeding barrel 1 .

In another structure, the stirring blade 52 is quadrilateral, and the stirring blade 52 includes a first right-angled side 521, a second right-angled side 522, a first hypotenuse 523 and a second hypotenuse 524; Welded on the rotating shaft 51, the second right-angled side 522 is perpendicular to the rotating shaft 51, the first hypotenuse 523 connected to the second right-angled side 522 is parallel and spaced apart from the slope of the lower bucket 1, and the second side connected to the first right-angled side 521 The hypotenuse 524 is set at a certain inclination angle with the slope, wherein the angle formed between the first hypotenuse 523 and the second hypotenuse 524 is an obtuse angle.

These two structures can make most of the materials to be stirred, so that the materials are more uniform, which is beneficial to the extrusion molding of the subsequent extruder 6 .

In the above embodiment, the feeding screw assembly 2 at least includes a stirring chamber 21 , a feeding screw 22 and a second motor 23 . The upper end of the stirring chamber 21 is open, and the upper opening of the stirring chamber 21 abuts against the bottom opening of the lower material barrel 1, the feeding screw 22 runs through the stirring chamber 21, and the second motor 23 is connected to the feeding screw 22 and drives the feeding screw 22 to rotate, wherein One end of the feeding screw 22 penetrating through the mixing chamber 21 is sheathed in a screw chamber with openings at both ends. The material in the feeding barrel 1 is evenly stirred by the stirring mechanism 5 and then falls into the mixing chamber 21 under the action of gravity, and the feeding screw 22 rotates and extrudes the material for the subsequent extruder 6 to extrude and form. Further, the feeding screw assembly 2 also includes a fixing seat 24 arranged between the stirring chamber 21 and the second motor 23, the fixing seat 24 is hollow inside, the second motor 23 is connected and fixed by means of the fixing seat 24, the The output shaft of the second motor 23 is relatively fixedly connected with the feeding screw 22 in the fixed seat 24 ; in addition, a support rod 25 can also be arranged between the fixed seat 24 and the stirring chamber 21 to stabilize the installation of the feeding screw 22 .

The second motor 23 is an AC motor, or an AC motor with adjustable frequency, so that the feeding speed can be controlled by adjusting the frequency of the second motor 23 .

The embodiment of the utility model also provides a feeding system for an extruder. The feeding system for an extruder includes: a stirring feeder as described in any one of the above embodiments and an extruder with a feeding channel 61 on the top. Extruder 6; wherein, one end of the feeding screw assembly 2 in the stirring feeder away from the first motor 4 is inserted into the feeding channel 61 of the extruder 6, and the feeding channel 61 is connected to the extruder of the extruder 6 screw.

The feeding system for the extruder and the stirring feeder thereof according to the embodiment of the utility model: by setting a motor and a stirring mechanism 5 driven by the motor on the cover plate 3 at the top of the feeding barrel 1, during production, the feeding The resin base material and powder in barrel 1 can be homogeneously proportioned to achieve a product in line with the research and development design, thereby ensuring that the plastic extruded subsequently meets the plasticity requirements, thereby solving production technology problems and greatly improving production efficiency and end product quality .

The above are only embodiments of the present utility model, and are not intended to limit the patent scope of the present utility model. Any equivalent structure or equivalent process conversion made by using the description of the utility model and the contents of the accompanying drawings, or directly or indirectly used in other related Technical fields are all included in the scope of patent protection of the utility model in the same way.

Claims (10)

1. stir a feeding machine, it is characterized in that, comprising:

The blanking barrel of both ends open and be arranged at described blanking barrel bottom opening and sentence feed screw assembly for evenly being discharged by the material in described blanking barrel;

Described blanking barrel top open part is provided with cover plate, and described cover plate bottom surface is provided with rabbling mechanism, and described cover plate end face is provided with the first motor, and the output shaft of described first motor runs through described cover plate and is connected with described rabbling mechanism to drive described rabbling mechanism to rotate.

2. stirring feeding machine according to claim 1, is characterized in that:

Described cover plate can be opened and closed to be arranged at described blanking barrel top open part.

3. stirring feeding machine according to claim 1, is characterized in that:

Described first motor is the alternating current generator of adjustable frequency.

4. stirring feeding machine according to claim 1, is characterized in that:

Described rabbling mechanism comprises rotating shaft and is fixed on the stirring vane in described rotating shaft, and described rotating shaft is fixedly connected with the output shaft of described first motor.

5. stirring feeding machine according to claim 4, is characterized in that:

Described blanking barrel is funnel-form, and the quantity of described stirring vane is at least two panels.

6. stirring feeding machine according to claim 5, is characterized in that:

The rectangular triangle of described stirring vane, wherein, a right-angle side of each described stirring vane is welded in described rotating shaft, another right-angle side, and perpendicular to described rotating shaft, hypotenuse, the parallel and inclined-plane being interval in described blanking barrel is arranged.

7. stirring feeding machine according to claim 5, is characterized in that:

Described stirring vane is quadrangle, and described stirring vane comprises the first right-angle side, the second right-angle side, the first hypotenuse and the second hypotenuse;

First right-angle side of each described stirring vane is welded in described rotating shaft, the second right-angle side perpendicular to described rotating shaft, and the parallel and interval of the first hypotenuse of connecting of described second right-angle side described in the inclined-plane of blanking barrel is arranged, the second hypotenuse of being connected with described first right-angle side and described inclined-plane be that certain angle of inclination is arranged, wherein, between described first hypotenuse and described second hypotenuse, angulation is obtuse angle.

8. stirring feeding machine according to claim 1, is characterized in that:

Described feed screw assembly at least comprises stir chamber, feed screw and the second motor;

Described stir chamber upper end open, the upper end open place of described stir chamber abuts described blanking barrel bottom opening place, described feed screw runs through described stir chamber, described second motor connects described feed screw and drives described feed screw to rotate, wherein, one end that described feed screw runs through described stir chamber is sheathed in the spiral bin of a both ends open.

9. stirring feeding machine according to claim 8, is characterized in that:

Described second motor is alternating current generator.

10. an extruder feed system, is characterized in that, comprises the extruder that stirring feeding machine as described in any one of claim 1-9 and top are provided with feed alley;

Wherein, the feed screw assembly in described stirring feeding machine inserts in the feed alley of described extruder away from one end of described first motor.