CN215589898U

CN215589898U - Auxiliary feeding device of double-screw extruder

Info

Publication number: CN215589898U
Application number: CN202122278254.8U
Authority: CN
Inventors: 董建东; 何亚丽; 黄勇
Original assignee: Shanghai Fangzhide New Material Co ltd
Current assignee: Shanghai Fangzhide New Material Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-01-21
Anticipated expiration: 2031-09-18

Abstract

The application discloses feeding device is assisted to double screw extruder relates to plastics processing equipment field, include the shell and be located the vibration fill of shell, the symmetry is provided with two elastic component on the vibration fill week lateral wall, the vibration fill pass through the elastic component with the shell inside wall links to each other, a plurality of through-holes have been seted up to the vibration fill bottom, the vibration fill bottom is provided with the subassembly that strikes to its intermittence. This application strikes subassembly through setting up and strikes vibration fill intermittent type nature, reaches the comparatively smooth and easy effect of material unloading in-process.

Description

Auxiliary feeding device of double-screw extruder

Technical Field

The application relates to the field of plastic processing equipment, in particular to an auxiliary feeding device of a double-screw extruder.

Background

The double-screw extruder is used for extruding rubber semi-products and products, materials are fed into the double-screw extruder, and the materials are heated, plasticized and continuously extruded from a mouth shape through the actions of simultaneous extrusion, shearing, stirring and the like of the two screws, so that the application range is wide, and the double-screw extruder can be used for processing various materials.

In the actual production process, twin-screw extruder has certain feed problem, because lack the feed auxiliary device, directly put the in-process of twin-screw extruder with the material, easily become to encircle between the granular material or because the granule volume is too much and lead to the feed opening to pile up the jam, be difficult to get into the inside operation of extruder, lead to the condition that the extruder idled even shut down to appear. Therefore, the problem of difficulty in blanking of the feeding mechanism of the double-screw extruder is solved, and the problem is one of the technical problems to be solved in the field of plastic processing equipment at present.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of feeding mechanism unloading difficulty of feeding twin-screw extruder, the application provides an auxiliary feeding device of twin-screw extruder.

The application provides a pair of screw extruder assists feeding device adopts following technical scheme:

the utility model provides a double screw extruder assists feeding device, includes shell and the vibration fill that is located the shell, the symmetry is provided with two elastic component on the vibration fill week lateral wall, the vibration fill pass through the elastic component with the shell inside wall links to each other, a plurality of through-holes have been seted up to the vibration fill bottom, the vibration fill bottom is provided with the subassembly that strikes to its intermittent type nature.

Through adopting above-mentioned technical scheme, open and strike the subassembly and strike vibration fill intermittent type nature, reducible material becomes hunch and causes the phenomenon of jam in vibration fill for the material can be unloading smoothly.

Preferably, strike the subassembly including the level setting and run through the pivot of shell lateral wall, the pivot is located the one end of vibration fill bottom and is fixed with the cam, be fixed with on the lateral wall of shell and be used for the drive pivot pivoted first motor.

Through adopting above-mentioned technical scheme, strike to vibrating hopper intermittent type nature through the cam, accomplish the dispersion action to the arching material, simple structure convenient operation, and can guarantee to strike the effect.

Preferably, the knocking components are arranged into two groups, and the knocking components are symmetrically arranged on two sides of the vibrating hopper.

Through adopting above-mentioned technical scheme, the effect of knocking to the vibration fill can be guaranteed in two settings, and the vibration fill both sides atress simultaneously for the material is scattered and the unloading to a plurality of directions.

Preferably, a connecting ring is fixed to the edge of the top end of the vibration bucket, a connecting table is fixed to the inner side wall of the shell, which is located at the bottom of the connecting ring, a connecting table is fixed to the inner side wall of the shell, the elastic piece is located between the connecting ring and the connecting table, the elastic piece is a spring, and two ends of the spring are fixed to the bottom surface of the connecting ring and the top surface of the connecting table respectively.

Through above-mentioned technical scheme, its supporting role is fought in the many vibrations of spring, makes vibration fill elastic connection in the shell.

Preferably, a vibration motor is fixed on the outer side wall of the vibration bucket.

Through adopting above-mentioned technical scheme, vibrating motor makes the vibration fill keep high-frequency vibration, makes the unable adhesion of material on the vibration fill inside wall and whole unloading.

Preferably, the shell inside wall slope is fixed with the preliminary sieve board that is located the vibration and fights the top, the shell lateral wall is seted up the opening that corresponds sieve bottom position, the slide is installed to the opening part.

Through adopting above-mentioned technical scheme, the primary screen board filters the material, gets rid of the material that is not conform to extruder feeding diameter, makes the material that accords with the particle size get into the vibration fill smoothly.

Preferably, a plurality of baffles are fixed on the vibrating hopper along the height direction of the vibrating hopper, and two adjacent baffles are mutually distributed on two sides of the inner side wall of the vibrating hopper in a staggered manner.

Through adopting above-mentioned technical scheme, the material circulates downwards along the baffle layer-by-layer and increases its circulation route, reduces once only to pile up and leads to the condition emergence of jam at the discharge gate.

The material stirring device is characterized in that a material stirring assembly is arranged at the bottom of the vibrating hopper and comprises a material stirring rod and material stirring blades fixed on the circumferential surface of the material stirring rod, and a second motor used for driving the material stirring rod to rotate is fixed on the outer side wall of the vibrating hopper.

By adopting the technical scheme, the material stirring blade enables materials to be quickly fed in the stirring process, and the feeding speed is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cam intermittently knocks the vibrating bucket, so that the situation that the material is arched and cannot be discharged to cause blockage is reduced;

2. the vibrating motor enables the vibrating hopper to vibrate at high frequency, so that materials cannot be adhered to the inner side wall of the vibrating hopper, and the whole blanking is guaranteed;

3. the material flows downwards through the multiple layers of baffles, so that the problem that a large amount of materials are difficult to stack at one time is reduced, and smooth blanking is guaranteed.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an auxiliary feeding device of a twin-screw extruder according to an embodiment of the present application;

FIG. 2 is a schematic sectional view at A-A of a twin-screw extruder according to an embodiment of the present application.

Reference numerals: 1. a housing; 2. a vibrating hopper; 3. an elastic member; 4. a through hole; 5. a rotating shaft; 6. a cam; 7. a first motor; 8. a connecting ring; 9. a connecting table; 10. a vibration motor; 11. a primary sieve plate; 12. an opening; 13. a slideway; 14. a baffle plate; 15. a material poking rod; 16. a material stirring blade; 17. a second motor.

Detailed Description

The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.

The embodiment of the application discloses double screw extruder's supplementary feeding device, as shown in fig. 1 and fig. 2, it includes shell 1 and the vibration of being located shell 1 is fought 2, and the slope of shell 1 inside wall is fixed with and is located the preliminary sieve board 11 at vibration fill 2 top, and shell 1 is located the preliminary sieve board 11 bottom position department and has seted up opening 12, and shell 1 is located opening 12 department and welds and be equipped with slide 13. The material passes through the primary sieve plate 11, the material with larger diameter is intercepted and slides out from the slideway 13, and the material which meets the specification enters the vibrating hopper 2.

As shown in fig. 2, two connection platforms 9 are horizontally and relatively fixed at the bottom of a primary sieve plate 11 on the inner side wall of a housing 1, a circle of connection ring 8 is horizontally turned outwards at the end of the top end of a vibration bucket 2, the connection ring 8 is located at the top of the connection platform 9 and is fixed with a plurality of elastic members 3 between the connection platforms 9, the elastic members 3 in the embodiment of the present application are springs, the two ends of each spring are respectively fixed at the top surface of the connection platform 9 and the bottom surface of the connection ring 8, and the springs support the vibration bucket 2 to enable the vibration bucket 2 to be elastically connected in the housing 1.

As shown in fig. 2, a plurality of through-holes 4 have evenly been seted up to 2 bottoms of vibration fill, 2 bottoms both sides of vibration fill all are provided with the subassembly that strikes that plays the effect of strikeing to it, strike the subassembly and include pivot 5, cam 6 and through the first motor 7 of bolt fastening on the shell 1 lateral wall, pivot 5 passes through the bearing and rotates the setting on shell 1 inside wall, the motor shaft welding of 1 lateral wall of its one end through shell and first motor 7, its other end is fixed continuous with the cam 6 that is located 2 bottoms of vibration fill, two first motor 7 rotation rates of two sets of subassemblies keep unanimous. The first motor 7 drives the cam 6 to rotate, so that the vibrating hopper 2 is intermittently knocked, the blocking phenomenon caused by arching of materials in the vibrating hopper 2 can be reduced, and the materials can be smoothly discharged.

As shown in fig. 2, a plurality of baffles 14 are horizontally fixed on the inner side wall of the vibrating hopper 2 along the height direction of the inner side wall, the baffles 14 are distributed on two sides of the inner side wall of the vibrating hopper 2 in a step-shaped staggered manner, the inner side wall of the vibrating hopper 2 is positioned at the bottoms of the baffles 14 and is provided with a material stirring component, and a second motor 17 for driving the material stirring component to run is fixed on the outer side wall of the vibrating hopper 2 through bolts. The material stirring assembly comprises a material stirring rod 15 and material stirring blades 16 fixed on the material stirring rod 15, the material stirring rod 15 is rotatably arranged on the inner side wall of the vibration bucket 2 through a bearing, and one end of the material stirring rod penetrates through the side wall of the vibration bucket 2 and is welded with a motor shaft of a second motor 17. The materials enter the vibrating hopper 2 and flow downwards layer by layer along the baffles 14, the flow path of the materials is increased to prevent the materials from being accumulated at the bottom of the vibrating hopper 2 at one time, and finally, the materials are quickly discharged by being stirred by the stirring blades 16. In order to shake off the materials on the inner wall of the vibrating bucket 2, a vibrating motor 10 is fixed on the outer side wall of the vibrating bucket 2 through bolts, and the vibrating motor 10 enables the vibrating bucket 2 to keep high-frequency vibration.

The implementation principle of the auxiliary feeding device of the double-screw extruder in the embodiment of the application is as follows: the material gets into the feeding hopper from the feed inlet of shell 1 top central authorities, at first filter through primary sieve 11, the too big material of particle diameter flows out along slide 13, the material that accords with the particle diameter size falls into on the multilayer baffle 14 in the vibration fill 2, from flowing down on multilayer baffle 14 under the continuous vibration of vibrating motor 10, the material that falls into vibration fill 2 bottom reduces the condition emergence of material arching because of the intermittent type nature striking of cam 6 and vibration fill 2, at last through vibration fill 2 bottom through-hole 4 under stirring of stirring blade 16, flow into double screw mixer along feeding hopper bottom discharge gate, accomplish the feed operation to double screw mixer.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a double screw extruder assists feeding device which characterized in that: the vibration bucket comprises a shell (1) and a vibration bucket (2) located in the shell (1), wherein a plurality of elastic pieces (3) are arranged on the peripheral side wall of the vibration bucket (2), the vibration bucket (2) is connected with the inner side wall of the shell (1) through the elastic pieces (3), a plurality of through holes (4) are formed in the bottom surface of the vibration bucket (2), and a knocking component for intermittent knocking between the vibration bucket and the vibration bucket is arranged at the bottom of the vibration bucket (2).

2. The auxiliary feeding device of the twin-screw extruder according to claim 1, wherein: strike subassembly includes that the level sets up and runs through pivot (5) of shell (1) lateral wall, pivot (5) are located the one end of vibration fill (2) bottom is fixed with cam (6), be fixed with on the lateral wall of shell (1) and be used for the drive pivot (5) pivoted first motor (7).

3. The auxiliary feeding device of the twin-screw extruder according to claim 2, wherein: the knocking assemblies are arranged into two groups, and the two groups of knocking assemblies are symmetrically arranged on two sides of the vibrating hopper (2).

4. The auxiliary feeding device of the twin-screw extruder according to claim 1, wherein: vibration fill (2) top edge is fixed with go-between (8), shell (1) inside wall is located go-between (8) bottom is fixed with and connects platform (9), elastic component (3) are located go-between (8) and connect between platform (9), elastic component (3) set up to the spring, and the spring both ends are fixed respectively go-between (8) bottom surface and are connected platform (9) top surface.

5. The auxiliary feeding device of the twin-screw extruder according to claim 4, wherein: and a vibration motor (10) is fixed on the outer side wall of the vibration hopper (2).

6. The auxiliary feeding device of the twin-screw extruder according to claim 1, wherein: the utility model discloses a vibration hopper, including shell (1), vibration hopper (2), opening (12) that shell (1) inside wall slope is fixed with and is located the first sieve board (11) at vibration hopper (2) top, shell (1) lateral wall has been seted up and has been corresponded the opening (12) of sieve bottom position, slide (13) are installed to opening (12) department.

7. The auxiliary feeding device of the twin-screw extruder according to claim 1, wherein: a plurality of baffles (14) are fixed on the vibrating hopper (2) along the height direction of the vibrating hopper, and two adjacent baffles (14) are mutually distributed on two sides of the inner side wall of the vibrating hopper (2) in a staggered manner.

8. The auxiliary feeding device of the twin-screw extruder according to claim 7, wherein: the material stirring device is characterized in that a material stirring assembly is arranged at the bottom of the vibration hopper (2), the material stirring assembly comprises a material stirring rod (15) and material stirring blades (16) fixed on the circumferential surface of the material stirring rod (15), and a second motor (17) used for driving the material stirring rod (15) to rotate is fixed on the outer side wall of the vibration hopper (2).