CN217021370U

CN217021370U - Cutting mechanism of plastic extruder for producing modified polypropylene

Info

Publication number: CN217021370U
Application number: CN202220734378.4U
Authority: CN
Inventors: 曹迪; 关冲; 郎鹏飞
Original assignee: Liaoyang Kangda Plastic Resin Co ltd
Current assignee: Liaoyang Kangda Plastic Resin Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-22
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a cutting mechanism of a plastic extruder for producing modified polypropylene, which comprises a blanking groove and symmetrically arranged servo motors, wherein the outer surfaces of the two servo motors are fixedly connected with the outer surface of a fixed block, the output ends of the two servo motors are in penetrating and rotating connection with the inside of the fixed block, and the blanking groove is formed in the bottom of the fixed block. This cutting mechanism of plastics extruder is used in modified polypropylene production, through setting up the unloading subassembly, servo motor drives half gear revolve, through the meshing of half gear and rack, make and move the frame and drive the reciprocal upward movement of draw runner and hit the filter plate, thereby the filter plate drives the plastics of cutting and vibrates, the qualified size carries out the unloading through filter cell and feed chute, unqualified plastics continue to cut, there is the problem that the effect is moulded to plastics cutting size inequality influence heat in extruder cutting equipment through the combination of above-mentioned structure solution.

Description

Cutting mechanism of plastic extruder for producing modified polypropylene

Technical Field

The utility model relates to the technical field of cutting, in particular to a cutting mechanism of a plastic extruder for producing modified polypropylene.

Background

The screw extruder is capable of fully plasticizing and uniformly mixing materials by means of pressure and shearing force generated by rotation of a screw, and the plastic extruder can be basically classified into a double-screw extruder, a single-screw extruder, a rare multi-screw extruder and a non-screw extruder through the molding of a neck mold.

The extruder is being reinforced the in-process, and cutting equipment can cut plastics, but the variation in size of cutting, and thereby some bulky materials influence the shaping effect of thermoplastic effect influence injection molding easily when the heating is thermoplastic, consequently need solve to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a cutting mechanism of a plastic extruder for producing modified polypropylene, which solves the problem that the thermoplastic effect is influenced by uneven plastic cutting size of cutting equipment of the extruder.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the cutting mechanism of the plastic extruder for producing the modified polypropylene comprises a fixed block, wherein a blanking mechanism is arranged inside the fixed block.

The blanking mechanism comprises a blanking groove and servo motors which are symmetrically arranged, the outer surfaces of the two servo motors are fixedly connected with the outer surface of a solid block, the output ends of the two servo motors are rotatably connected with the inside of the solid block in a penetrating manner, the blanking groove is arranged at the bottom of the solid block, the inner wall of the blanking groove is fixedly connected with a filter plate, a penetrating filter groove is formed in the filter plate, the inside of the filter groove is communicated with the inside of the blanking groove, a cutting assembly is arranged on the outside of the filter plate, the output end of the servo motor is fixedly connected with a half gear, the outer surface of the half gear is rotatably connected with the inner surface of the blanking groove, a movable frame is arranged on the outside of the half gear, the outer surface of the movable frame is movably connected with the inner wall of the blanking groove, a rack is fixedly connected with the inner wall of the movable frame, and the outer surface of the rack is meshed with the outer surface of the half gear, the upper and lower both sides of moving the frame surface all fixedly connected with draw runner, the surface sliding connection of draw runner has spacing, the surface of spacing and the inner wall fixed connection of silo down.

Preferably, the cutting assembly comprises a driving motor and a rotary groove, the rotary groove is formed in the fixed block, and the interior of the rotary groove is communicated with the interior of the filter tank.

Preferably, the outer surface of the driving motor is fixedly connected with the outer surface of the fixed block, and the output end of the driving motor is connected with the inside of the fixed block in a penetrating and rotating mode.

Preferably, the inner surface of the rotary groove is rotatably connected with a rotary roller, and the outer surface of the rotary roller is provided with a spiral cutter.

Preferably, the inside of the rotating roller penetrates through and is fixedly connected with a rotating rod, and one end of the rotating rod is fixedly connected with the output end of the driving motor through a coupler.

Preferably, a through feed inlet is formed in the rotary groove.

Advantageous effects

The utility model provides a cutting mechanism of a plastic extruder for producing modified polypropylene. Compared with the prior art, the method has the following beneficial effects:

(1) this plastics extruder's cutting mechanism is used in modified polypropylene production, through setting up the unloading subassembly, plastics after can being cut can be sieved through the combination of filter plate and filter cell, make the suitable plastics accessible filter cell of size carry out the unloading, servo motor drives half gear revolve simultaneously, meshing through half gear and rack, make the movable frame drive the reciprocal upward movement of draw runner and hit the filter plate, thereby the filter plate drives the plastics after the cutting and vibrates, make the qualified size carry out the unloading through filter cell and lower feed tank, unqualified plastics continue to cut, the problem that there is plastics cutting size inequality influence thermoplasticity effect in extruder cutting equipment has been solved through the combination of above-mentioned structure.

(2) This plastics extruder's cutting mechanism is used in modified polypropylene production, through setting up cutting assembly, plastics pass through the feed inlet and get into the inside back of turn trough, driving motor drives the bull stick and rotates, make the commentaries on classics roller drive spiral cutter and rotate and cut plastics, filter plate top and the adaptation of change inslot wall shape simultaneously, make unqualified plastics stop in the turn inslot portion, thereby spiral cutter can continue the cutting to unqualified plastics, make all plastics sizes suitably carry out the unloading, so that the subsequent heating of plastics is moulding.

Drawings

FIG. 1 is a perspective view of the external structure of the present invention;

FIG. 2 is an exploded view of the internal structure of the present invention;

FIG. 3 is an enlarged view of a portion of the utility model at A in FIG. 2;

fig. 4 is an exploded view of the outer structure of the rotating rod of the present invention.

In the figure: 1-fixed block, 2-blanking mechanism, 21-blanking groove, 22-servo motor, 23-filter plate, 24-filter groove, 25-cutting component, 251-driving motor, 252-rotary groove, 253-rotary roller, 254-spiral cutter, 255-rotary rod, 256-feed inlet, 26-half gear, 27-movable frame, 28-rack, 29-slide bar and 210-spacing frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a cutting mechanism of a plastic extruder for producing modified polypropylene comprises a fixed block 1, wherein the fixed block 1 is arranged on a feeding station of the extruder, and a discharging mechanism 2 is arranged inside the fixed block 1; the blanking mechanism 2 comprises a blanking groove 21 and servo motors 22 which are symmetrically arranged, the servo motors 22 are electrically connected with a control circuit in the extruder, the outer surfaces of the two servo motors 22 are fixedly connected with the outer surface of the solid block 1, the output ends of the two servo motors 22 are rotatably connected with the inside of the solid block 1 in a penetrating way, the blanking groove 21 is arranged at the bottom of the solid block 1, the inner wall of the blanking groove 21 is fixedly connected with a filter plate 23, a penetrating filter groove 24 is arranged in the filter plate 23, the aperture of the filter groove 24 is the size of a qualified cutting part, the inside of the filter groove 24 is communicated with the inside of the blanking groove 21, a cutting assembly 25 is arranged outside the filter plate 23, a half gear 26 is fixedly connected with the output end of the servo motor 22, the outer surface of the half gear 26 is rotatably connected with the inner surface of the blanking groove 21, a movable frame 27 is arranged outside the half gear 26, the outer surface of the movable frame 27 is movably connected with the inner wall of the blanking groove 21, the inner wall of the movable frame 27 is fixedly connected with a rack 28, the outer surface of the rack 28 is meshed with the outer surface of the half gear 26, the combination of the rack 28 and the half gear 26 can enable the movable frame 27 to reciprocate up and down, the upper side and the lower side of the outer surface of the movable frame 27 are fixedly connected with a slide bar 29, the outer surface of the slide bar 29 is connected with a limiting frame 210 in a sliding manner, the outer surface of the limiting frame 210 is fixedly connected with the inner wall of the blanking groove 21, the cutting assembly 25 comprises a driving motor 251 and a rotary groove 252, the driving motor 251 is electrically connected with a control circuit in the extruder, the rotary groove 252 and the filter plate 23 are combined to form a cylindrical cavity, the rotary groove 252 is arranged in the fixed block 1, the interior of the rotary groove 252 is communicated with the interior of the filter groove 24, the outer surface of the driving motor 251 is fixedly connected with the outer surface of the fixed block 1, the output end of the driving motor 251 is connected with the interior of the fixed block 1 in a penetrating and rotating manner, the inner surface of the rotary groove 252 is rotatably connected with a rotary roller 253, the outer surface of the rotary roller 253 is provided with a spiral cutter 254, the inside of the rotary roller 253 penetrates through and is fixedly connected with a rotary rod 255, one end of the rotary rod 255 is fixedly connected with the output end of the driving motor 251 through a coupler, and a through feeding hole 256 is formed in the rotary groove 252.

And those not described in detail in this specification are well within the skill of the art.

During operation, plastics get into the inside back of turn trough 252 through feed inlet 256, driving motor 251 drives bull stick 255 and rotates, make to change roller 253 drive spiral cutter 254 and rotate and cut plastics, servo motor 22 drives the rotation of half-gear 26 simultaneously, through the meshing of half-gear 26 with rack 28, make movable frame 27 drive the reciprocal upward movement of draw runner 29 and hit filter plate 23, thereby the plastics after the filter plate 24 drives the cutting vibrate, make passing through filter bowl 24 and lower silo 21 of qualified size plastics carry out the unloading, unqualified plastics stop inside turn trough 252, so that continue to cut.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments 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

1. The utility model provides a modified polypropylene production is with cutting mechanism of plastic extruder, includes solid piece (1), its characterized in that: a blanking mechanism (2) is arranged inside the fixed block (1);

the blanking mechanism (2) comprises a blanking groove (21) and servo motors (22) symmetrically arranged, the outer surfaces of the servo motors (22) are fixedly connected with the outer surface of the solid block (1), the output ends of the servo motors (22) are rotatably connected with the inside of the solid block (1) in a penetrating manner, the blanking groove (21) is arranged at the bottom of the solid block (1), the inner wall of the blanking groove (21) is fixedly connected with a filter plate (23), the inside of the filter plate (23) is provided with a through filter tank (24), the inside of the filter tank (24) is communicated with the inside of the blanking groove (21), the outside of the filter plate (23) is provided with a cutting assembly (25), the output end of the servo motor (22) is fixedly connected with a half gear (26), the outer surface of the half gear (26) is rotatably connected with the inner surface of the blanking groove (21), and the outside of the half gear (26) is provided with a movable frame (27), move the surface of frame (27) and the inner wall swing joint of silo (21) down, the inner wall fixedly connected with rack (28) of moving frame (27), the surface of rack (28) meshes with the surface of half-gear (26) mutually, move equal fixedly connected with draw runner (29) in the upper and lower both sides of frame (27) surface, the surface sliding connection of draw runner (29) has spacing (210), the surface of spacing (210) and the inner wall fixed connection of silo (21) down.

2. The cutting mechanism of the plastic extruder for producing modified polypropylene as claimed in claim 1, wherein: the cutting assembly (25) comprises a driving motor (251) and a rotary groove (252), the rotary groove (252) is formed in the fixed block (1), and the interior of the rotary groove (252) is communicated with the interior of the filter tank (24).

3. The cutting mechanism of the plastic extruder for producing modified polypropylene as claimed in claim 2, wherein: the outer surface of the driving motor (251) is fixedly connected with the outer surface of the fixed block (1), and the output end of the driving motor (251) is connected with the inner part of the fixed block (1) in a penetrating and rotating mode.

4. The cutting mechanism of the plastic extruder for modified polypropylene production according to claim 2, wherein: the inner surface of the rotary groove (252) is rotatably connected with a rotary roller (253), and the outer surface of the rotary roller (253) is provided with a spiral cutter (254).

5. The cutting mechanism of the plastic extruder for producing modified polypropylene as claimed in claim 4, wherein: the inside of the rotary roller (253) is fixedly connected with a rotary rod (255) in a penetrating manner, and one end of the rotary rod (255) is fixedly connected with the output end of the driving motor (251) through a coupler.

6. The cutting mechanism of the plastic extruder for producing modified polypropylene as claimed in claim 2, wherein: and a through feed inlet (256) is formed in the rotary groove (252).