CN219446071U - Single-screw mixing equipment - Google Patents

Abstract

The application discloses single screw mixing equipment belongs to single screw extruder technical field, including supporting the base, fixedly provided with barrel on the supporting base, the inboard rotation of barrel is connected with the screw rod, a plurality of pins of screw rod periphery anterior segment fixedly connected with, a plurality of solid fixed rings of screw rod periphery back end fixedly connected with, all offered the perforation on a plurality of solid fixed rings, the fixed inlet pipe that is provided with in barrel top, inlet pipe top fixedly connected with loading hopper, the inboard rotation of inlet pipe is connected with the pivot, fixedly provided with a plurality of pay-off blades in the pivot, inlet pipe outer wall fixed mounting has the second motor, the output and the pivot fixed connection of second motor. The molten plastic raw materials are mixed by the plurality of pins, so that the molten plastic raw materials can be effectively and continuously split and stirred by the pins, particularly, the mixing effect in the circumferential direction is improved, and the molten plastic raw materials can form certain melting pressure through the plurality of perforations to be further mixed.

Description

Single-screw mixing equipment

Technical Field

The application belongs to the technical field of single screw extruders, and particularly relates to single screw mixing equipment.

Background

In plastic extrusion molding equipment, a plastic extruder is a widely used model in the plastic processing industry, and extrusion molding is one of important molding methods for plastic molding processing. Most thermoplastics can be processed by extrusion molding, and compared with other molding methods, the extrusion molding has the characteristics of continuous production process, high production efficiency and wide application range, and can be used for producing pipes, bars, plates, films, monofilaments, wires, cables, profiles, hollow products and the like.

The prior patent with the publication number of CN216544653U discloses a single-screw extruder, the screw groove depth and the screw pitch of a mixing section change to enable the volume of the screw groove to be alternately reduced and increased, the screw groove depth of a homogenizing section is consistent and the screw pitch is consistent, a metering section is provided with a plurality of threads which are arranged at intervals, a conveying section with the increased screw groove depth is arranged behind a feeding section, and the volume of the screw groove of the mixing section is alternately reduced and increased.

The plastic raw material relates to various materials, the performances of the various raw materials are different, the mixing difficulty is also different, and the screw mixing section of the extruder has a single structure, so that the mixing requirements of the various raw materials are difficult to meet simultaneously.

Disclosure of Invention

In order to improve the screw mixing effect, the application provides a single screw mixing device.

In order to achieve the above purpose, the present application adopts the following technical scheme: the utility model provides a single screw mixing equipment, includes the support base, fixedly provided with barrel on the support base, the inboard rotation of barrel is connected with the screw rod, be provided with the actuating mechanism who links to each other with the screw rod on the support base, a plurality of pins of screw rod periphery anterior segment fixedly connected with, a plurality of solid fixed ring of screw rod periphery back end fixedly connected with, a plurality of all offer the perforation on the solid fixed ring, the fixed inlet pipe that is provided with in barrel top, inlet pipe top fixedly connected with loading hopper, the inboard rotation of inlet pipe is connected with the pivot, fixedly provided with a plurality of pay-off blades in the pivot, inlet pipe outer wall fixed mounting has the second motor, the output and the pivot fixed connection of second motor.

Through adopting above-mentioned technical scheme, carry out the mixing through a plurality of pins to the molten plastic raw materials, can be effectual messenger's molten plastic raw materials is constantly shunted by the pin and stirs, especially annular mixing has improved mixing effect, and the molten plastic raw materials can form certain melting pressure through a plurality of perforation, further mixing.

Preferably, the driving mechanism comprises a first motor, a shaft coupling and a reduction gearbox, wherein the first motor and the reduction gearbox are fixedly arranged on the supporting base, the shaft coupling is fixedly connected with the output end of the first motor, one end of the screw penetrates through the machine barrel and is fixedly connected with the output end of the reduction gearbox, and the input end of the reduction gearbox is fixedly connected with the shaft coupling.

Through adopting above-mentioned technical scheme, drive the screw rod through the reducing gear box through first motor and rotate, carry and extrude the plastics raw materials of melting.

Preferably, two adjacent pins are arranged in a staggered manner in the axial direction of the screw rod body.

By adopting the technical scheme, the molten plastic raw material is continuously split and stirred by the pin, so that the mixing effect is improved.

Preferably, the pore diameter of the perforation gradually decreases from the feeding side to the discharging side, and a plurality of perforation are arranged and distributed annularly.

By adopting the technical scheme, the molten plastic raw material can form a certain melting pressure through a plurality of perforations, and is further mixed.

Preferably, the sections of the plurality of feeding blades are all semicircular structures, and the plurality of feeding blades are distributed in an annular array.

Through adopting above-mentioned technical scheme, through a plurality of pay-off blades intermittent type nature unloading, avoid the unloading too much.

Preferably, the cylinder top wall is provided with an opening, the cylinder is positioned on the opening and is detachably provided with a cover plate, and the inner side of the cover plate is fixedly connected with a blocking plate matched with the opening.

Through adopting above-mentioned technical scheme, through opening the apron, conveniently overhaul the barrel inside.

Preferably, four bolts penetrate through four corners of the cover plate, and screw holes matched with the four bolts are formed in the outer wall of the machine barrel.

Through adopting above-mentioned technical scheme, install and dismantle through four bolts.

Preferably, a heater is provided outside the barrel.

By adopting the technical scheme, the heater is used for heating the plastic in the machine barrel.

Compared with the prior art, the beneficial effects of this application are:

1. the second motor drives the rotating shaft and the plurality of feeding blades to rotate, and the plurality of feeding blades intermittently feed materials, so that excessive feeding is avoided.

2. The molten plastic raw materials are mixed by the plurality of pins, so that the molten plastic raw materials can be effectively and continuously split and stirred by the pins, particularly, the mixing effect in the circumferential direction is improved, and the molten plastic raw materials can form certain melting pressure through the plurality of perforations to be further mixed.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a single screw kneading apparatus according to the present application;

FIG. 2 is a schematic sectional view of a single screw mixing apparatus barrel according to the present application;

FIG. 3 is a schematic sectional view of a single screw mixing apparatus feed tube;

fig. 4 is a schematic structural view of a cover plate of a single-screw mixing device according to the present application.

In the figure: 1. a support base; 2. a barrel; 3. a screw; 4. a first motor; 5. a coupling; 6. a reduction gearbox; 7. a pin; 8. a fixing ring; 9. perforating; 10. a feed pipe; 11. a hopper; 12. a rotating shaft; 13. a feed blade; 14. a second motor; 15. an opening; 16. a cover plate; 17. a closure plate; 18. a bolt; 19. a heater.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application.

Referring to fig. 1 to 3, a single screw mixing apparatus comprises a support base 1, a barrel 2 is fixedly arranged on the support base 1, a heater 19 is arranged outside the barrel 2, the heater 19 is of the prior art, and plastics in the barrel 2 are heated by the heater 19. The barrel 2 is rotationally connected with a screw rod 3, a driving mechanism connected with the screw rod 3 is arranged on the supporting base 1, the driving mechanism comprises a first motor 4, a shaft coupler 5 and a reduction gearbox 6, the first motor 4 and the reduction gearbox 6 are fixedly arranged on the supporting base 1, the shaft coupler 5 is fixedly connected with the output end of the first motor 4, one end of the screw rod 3 penetrates through the barrel 2 and is fixedly connected with the output end of the reduction gearbox 6, the input end of the reduction gearbox 6 is fixedly connected with the shaft coupler 5, the screw rod 3 is driven to rotate through the reduction gearbox 6 by the first motor 4, and molten plastic raw materials are conveyed and extruded.

The front section of the periphery of the screw 3 is fixedly connected with a plurality of pins 7, and two adjacent pins 7 are arranged in a staggered manner in the axial direction of the rod body of the screw 3, so that molten plastic raw materials can be continuously distributed and stirred by the pins 7, and particularly, the mixing effect in the annular direction is improved. The fixed ring 8 of a plurality of fixed ring 8 of screw rod 3 periphery rear end fixedly connected with, all offered perforation 9 on the fixed ring 8 of a plurality of, the aperture of perforation 9 reduces by feeding one side to ejection of compact one side gradually, and perforation 9 is provided with a plurality of, and a plurality of perforation 9 are cyclic annular and distribute, and the molten plastics raw materials can form certain melting pressure through a plurality of perforation 9, further mixing.

Referring to fig. 1 and 3, the fixed inlet pipe 10 that is provided with in barrel 2 top, inlet pipe 10 top fixedly connected with loading hopper 11 adds solid plastics in to loading hopper 11, flow into barrel 2 through inlet pipe 10, the inboard rotation of inlet pipe 10 is connected with pivot 12, fixedly provided with a plurality of feeding blades 13 in the pivot 12, the cross-section of a plurality of feeding blades 13 is semi-circular structure, and a plurality of feeding blades 13 are cyclic annular array and distribute, inlet pipe 10 outer wall fixed mounting has second motor 14, the output and the pivot 12 fixed connection of second motor 14 drive pivot 12 and a plurality of feeding blades 13 through second motor 14 rotate, intermittent type nature unloading through a plurality of feeding blades 13, avoid the unloading too much.

Referring to fig. 2 and 4, the opening 15 is opened on the top wall of the machine barrel 2, the machine barrel 2 is located on the opening 15 and is detachably provided with the cover plate 16, the inner side of the cover plate 16 is fixedly connected with the plugging plate 17 matched with the opening 15, the opening 15 is plugged through the plugging plate 17, and the cover plate 16 is opened to facilitate overhaul of the interior of the machine barrel 2. Four bolts 18 are arranged at four corners of the cover plate 16 in a penetrating manner, and screw holes matched with the four bolts 18 are formed in the outer wall of the machine barrel 2.

The principle of operation of the present application will now be described as follows: solid plastic is added into the charging hopper 11, flows into the machine barrel 2 through the feeding pipe 10, the output end of the second motor 14 is fixedly connected with the rotating shaft 12, the rotating shaft 12 and the plurality of feeding blades 13 are driven to rotate through the second motor 14, and intermittent discharging is realized through the plurality of feeding blades 13, so that excessive discharging is avoided. The screw 3 is driven to rotate through the reduction gearbox 6 by the first motor 4, molten plastic raw materials are conveyed and extruded, the molten plastic raw materials are mixed through the pins 7, the molten plastic raw materials can be effectively and continuously stirred by the pins in a split flow mode, particularly in the annular direction, the mixing effect is improved, and the molten plastic raw materials can form certain melting pressure through the holes 9 to be mixed further.

The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, within the scope of the present application, shall cover the protection scope of the present application with equivalent substitution or modification according to the technical solution of the present application and the application concept thereof.

Claims (8)

1. The utility model provides a single screw mixing equipment, includes support base (1), its characterized in that, fixedly is provided with barrel (2) on support base (1), barrel (2) inboard rotates and is connected with screw rod (3), be provided with the actuating mechanism who links to each other with screw rod (3) on support base (1), screw rod (3) periphery anterior segment fixedly connected with a plurality of pins (7), a plurality of solid fixed ring (8) of screw rod (3) periphery posterior segment fixedly connected with, a plurality of perforation (9) have all been seted up on solid fixed ring (8), barrel (2) top is fixedly provided with inlet pipe (10), inlet pipe (10) top fixedly connected with loading hopper (11), inlet pipe (10) inboard rotation is connected with pivot (12), fixedly provided with a plurality of feeding blade (13) on pivot (12), inlet pipe (10) outer wall fixed mounting has second motor (14), the output and pivot (12) of second motor (14) are fixedly connected.

2. The single-screw mixing equipment according to claim 1, wherein the driving mechanism comprises a first motor (4), a coupler (5) and a reduction gearbox (6), the first motor (4) and the reduction gearbox (6) are fixedly installed on the supporting base (1), the coupler (5) is fixedly connected with the output end of the first motor (4), one end of the screw (3) penetrates through the machine barrel (2) and is fixedly connected with the output end of the reduction gearbox (6), and the input end of the reduction gearbox (6) is fixedly connected with the coupler (5).

3. A single screw mixing apparatus according to claim 1, wherein adjacent two of said pins (7) are arranged in a staggered manner in the axial direction of the shaft of the screw (3).

4. A single screw mixing apparatus according to claim 1, wherein the perforations (9) are of decreasing diameter from the feed side to the discharge side, the perforations (9) being provided in a plurality, a plurality of the perforations (9) being annularly distributed.

5. A single screw mixing apparatus according to claim 1, wherein a plurality of said feed blades (13) each have a semicircular structure in cross section, and wherein a plurality of said feed blades (13) are distributed in an annular array.

6. A single-screw mixing device according to claim 1, characterized in that the top wall of the machine barrel (2) is provided with an opening (15), the machine barrel (2) is positioned on the opening (15) and is detachably provided with a cover plate (16), and the inner side of the cover plate (16) is fixedly connected with a blocking plate (17) which is matched with the opening (15).

7. A single-screw mixing apparatus according to claim 6, wherein four bolts (18) are provided at four corners of the cover plate (16), and screw holes adapted to the four bolts (18) are provided in the outer wall of the barrel (2).

8. A single screw mixing apparatus according to claim 1, characterised in that a heater (19) is provided outside the barrel (2).