CN211994106U

CN211994106U - Improved extruder feeding device

Info

Publication number: CN211994106U
Application number: CN201922370814.5U
Authority: CN
Inventors: 尚伟; 张健
Original assignee: Tangshan Changhong Plastics Co ltd
Current assignee: Tangshan Changhong Plastics Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-11-24
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a modified extruder feed arrangement, include the feed cylinder that links to each other with the extruder feed inlet, first movable door plant is installed to the feed cylinder bottom, the feed cylinder top is fixed with the compounding bucket, install second movable door plant between feed cylinder and the compounding bucket, the slope is fixed with the filter screen in the compounding bucket, the filter screen below is connected with the negative pressure blast pipe, install the HEPA filter core between negative pressure blast pipe and the filter screen, the both sides of compounding bucket are provided with aggregate inlet pipe and powder inlet pipe respectively, be provided with the spiral silo in the aggregate inlet pipe, electric heating wire is installed in the outside of spiral silo, install the metal mesh in the powder inlet pipe, be provided with the refrigerant circulating pipe in the lateral wall of powder inlet pipe, the refrigerant circulating pipe links to each other with outside refrigerator, the compounding bucket top is connected with the rotation axis through the motor. The utility model discloses can improve the not enough of prior art, realize the direct mixing of aggregate and powder and use.

Description

Improved extruder feeding device

Technical Field

The utility model relates to an extruder supporting device, especially a modified extruder feed arrangement.

Background

An extruder is a device used to process plastic-based products. According to different forms of production raw materials, the raw materials are divided into granules and powder. A common extruder can only be suitable for a certain type of raw materials, when granules and powder need to be mixed for use, in order to ensure the extrusion effect, a mixer needs to be used for fully crushing the granules, then the granules and the powder are mixed, and then the product is processed through the extruder.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a modified extruder feed arrangement, can solve the not enough of prior art, realize the direct mixing of aggregate and powder and use.

In order to solve the technical problem, the utility model adopts the following technical proposal.

An improved extruder feeding device comprises a feeding barrel connected with a feeding port of an extruder, a first movable door plate is arranged at the bottom of the feeding barrel, a mixing barrel is fixed at the top of the feeding barrel, a second movable door plate is arranged between the feeding barrel and the mixing barrel, a filter screen is obliquely fixed in the mixing barrel, the lowest end of the filter screen is positioned above the second movable door plate, a negative pressure exhaust pipe is connected below the filter screen, an HEPA filter element is arranged between the negative pressure exhaust pipe and the filter screen, a granule feeding pipe and a powder feeding pipe are respectively arranged at two sides of the mixing barrel, a spiral trough is arranged in the granule feeding pipe, an electric heating wire is arranged at the outer side of the spiral trough, a metal mesh is arranged in the powder feeding pipe, a refrigerant circulating pipe is arranged in the side wall of the powder feeding pipe and connected with an external refrigerator, a rotating shaft is connected, a plurality of parallel cutter heads are fixed on the cutter, a plurality of conical parts are fixed between the adjacent cutter heads, and the height of each conical part is lower than that of each cutter head.

Preferably, two HEPA filter elements which are arranged in parallel are arranged between the negative pressure exhaust pipe and the filter screen.

Preferably, the rotating shaft is provided with threaded holes corresponding to the cutters one to one, and the cutters are fixed on the rotating shaft through bolts.

Preferably, a stirring paddle is fixed to the bottom of the rotating shaft.

Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: the utility model discloses a heat the aggregate at the feeding in-process, make it soften, through tool bit and the quick striking and the extrusion of toper portion to the aggregate at the rotatory in-process of cutter, be that the aggregate produces deformation and fracture, the surface area of increase aggregate. At the same time, the powder is cooled during the feeding process, so that the temperature difference between the powder and the granules is further increased. After the granular materials and the powder materials are contacted in the mixing barrel, the low temperature of the powder materials can enable the granular materials to be gradually hardened, and a large amount of powder materials can be firmly combined on the surfaces of the granular materials in the hardening process, so that the feeding uniformity of the granular materials and the powder materials is ensured. The stirring rake can stir the raw materials of compounding bucket, improves the contact frequency and the homogeneity of raw materials and cutter. The utility model discloses abandoned and carried out thoroughly kibbling traditional processing mode to the aggregate, process time shortens greatly, can realize online real-time compounding.

Drawings

Fig. 1 is a structural view of an embodiment of the present invention.

Fig. 2 is a structural view of a cutter according to an embodiment of the present invention.

In the figure: 1. a charging barrel; 2. a first movable door panel; 3. a mixing barrel; 4. a second movable door panel; 5. filtering with a screen; 6. a negative pressure exhaust pipe; 7. a HEPA filter element; 8. a pellet feed tube; 9. a powder feeding pipe; 10. a spiral trough; 11. an electric heating wire; 12. a metal mesh; 13. a refrigerant circulation pipe; 14. a motor; 15. a rotating shaft; 16. a cutter; 17. a cutter head; 18. a tapered portion; 19. a bolt; 20. a stirring paddle; 21. a threaded bore.

Detailed Description

The utility model discloses the standard part that well used all can be purchased from the market, and dysmorphism piece all can be customized according to the description with the record of attached drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding, pasting among the prior art, no longer detailed description here.

Referring to fig. 1-2, the embodiment comprises a feed barrel 1 connected with a feed inlet of an extruder, a first movable door plate 2 is arranged at the bottom of the feed barrel 1, a mixing barrel 3 is fixed at the top of the feed barrel 1, a second movable door plate 4 is arranged between the feed barrel 1 and the mixing barrel 3, a filter screen 5 is obliquely fixed in the mixing barrel 3, the lowest end of the filter screen 5 is positioned above the second movable door plate 4, a negative pressure exhaust pipe 6 is connected below the filter screen 5, a HEPA filter element 7 is arranged between the negative pressure exhaust pipe 6 and the filter screen 5, two sides of the mixing barrel 3 are respectively provided with a granule material feed pipe 8 and a powder material feed pipe 9, a spiral trough 10 is arranged in the granule material feed pipe 8, an electric heating wire 11 is arranged at the outer side of the spiral trough 10, a metal mesh 12 is arranged in the powder material feed pipe 9, a refrigerant circulating pipe 13 is, the top of the mixing barrel 3 is connected with a rotating shaft 15 through a motor 14, a cutter 16 is fixed on the rotating shaft 14, a plurality of cutter heads 17 which are parallel to each other are fixed on the cutter 16, a plurality of conical parts 18 are fixed between the adjacent cutter heads 17, and the height of each conical part 18 is lower than that of each cutter head 17. Two HEPA filter elements 7 which are arranged in parallel are arranged between the negative pressure exhaust pipe 6 and the filter screen 5. The rotary shaft 14 is provided with screw holes 21 corresponding to the cutters 16 one by one, and the cutters 16 are fixed to the rotary shaft 14 by bolts 19. The bottom of the rotating shaft 15 is fixed with a stirring paddle 20.

Among them, the refrigerator (not shown) belongs to the prior known product, and will not be described in detail herein.

The utility model discloses a use method does: firstly, loosening the bolt, adjusting the fixed angle of the cutter according to the use requirement, then closing the second movable door plate 4, turning on the power supply, and respectively adding powder and granules into the mixing barrel 3. After the mixing is completed, the second movable door panel 4 is opened, the raw material flows into the feed barrel 1 under the action of gravity, then the second movable door panel 4 is closed, and the above operation is repeated again. When the charging barrel 1 stores raw materials, the opening and closing of the first movable door panel 2 are controlled according to the working state of the extruder, so that the charging is realized. The HEPA filter elements 7 arranged in parallel can be used for one or two ways simultaneously, and the machine does not need to be stopped when the filter elements are replaced, so that the continuous production is convenient.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a modified extruder feed arrangement, includes feed barrel (1) that links to each other with the extruder feed inlet, and first movable door board (2), its characterized in that are installed to feed barrel (1) bottom: a mixing barrel (3) is fixed at the top of the feeding barrel (1), a second movable door panel (4) is arranged between the feeding barrel (1) and the mixing barrel (3), a filter screen (5) is obliquely fixed in the mixing barrel (3), the lowest end of the filter screen (5) is positioned above the second movable door panel (4), a negative pressure exhaust pipe (6) is connected below the filter screen (5), a HEPA filter core (7) is arranged between the negative pressure exhaust pipe (6) and the filter screen (5), aggregate inlet pipes (8) and powder inlet pipes (9) are respectively arranged at two sides of the mixing barrel (3), a spiral trough (10) is arranged in the aggregate inlet pipe (8), an electric heating wire (11) is arranged at the outer side of the spiral trough (10), a metal mesh (12) is arranged in the powder inlet pipe (9), a refrigerant circulating pipe (13) is arranged in the side wall of the powder inlet pipe (9), and the refrigerant circulating pipe (, the top of the mixing barrel (3) is connected with a rotating shaft (15) through a motor (14), a cutter (16) is fixed on the rotating shaft (15), a plurality of cutter heads (17) which are parallel to each other are fixed on the cutter (16), a plurality of conical parts (18) are fixed between the adjacent cutter heads (17), and the height of each conical part (18) is lower than that of each cutter head (17).

2. The improved extruder feed apparatus of claim 1, wherein: two HEPA filter elements (7) which are arranged in parallel are arranged between the negative pressure exhaust pipe (6) and the filter screen (5).

3. The improved extruder feed apparatus of claim 1, wherein: the rotary shaft (15) is provided with threaded holes (21) corresponding to the cutters (16) one by one, and the cutters (16) are fixed on the rotary shaft (15) through bolts (19).

4. The improved extruder feed apparatus of claim 3, wherein: and a stirring paddle (20) is fixed at the bottom of the rotating shaft (15).