CN213137413U

CN213137413U - Particle cutting box for extruder

Info

Publication number: CN213137413U
Application number: CN202021059465.1U
Authority: CN
Inventors: 张华林
Original assignee: Suzhou Baodejia New Material Co ltd
Current assignee: Suzhou Baodejia New Material Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-05-07
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a particle cutting box for an extruder, which comprises a cutting box body, an installation pipe, a cutting knife rest and an air drying device; the cutting box body is provided with a feeding pipe, the mounting pipe is connected with the feeding pipe through a mounting flange, the cutting knife rest is mounted on the mounting pipe, a central column is arranged in the middle of the cutting knife rest, and a plurality of blades which are distributed annularly and have the same specification are fixedly mounted on the outer column wall of the central column; the utility model discloses a cutting box, including installation pipe, cutting box body, air-dry device, cutting box body, air-dry device, installation pipe up end is provided with rotatory cutting device, rotatory cutting device is corresponding with cutting knife rest position, the inside flitch of being provided with down of cutting box body, air-dry device is connected with lower flitch up end through the bracing piece, air-dry device includes the fan. The utility model discloses, the size of guaranteeing the cutting back particle is unanimous and the dryness factor, improves the work efficiency of particle cutting processing.

Description

Particle cutting box for extruder

Technical Field

The utility model relates to a cutting tool technical field especially relates to a particle cutting case for extruder.

Background

Extruders belong to one of the classes of plastic machines, originating from the 18 th century. The extruder can divide the machine head into a right-angle machine head, an oblique-angle machine head and the like according to the material flow direction of the machine head and the included angle of the central line of the screw. The screw extruder depends on the pressure and the shearing force generated by the rotation of the screw, so that materials can be fully plasticized and uniformly mixed and are molded through a neck mold. Plastics extruders can be largely classified into twin-screw extruders, single-screw extruders and, less frequently, multi-screw extruders and also screwless extruders.

PVC granule is the semi-manufactured goods raw materials of moulding industrial production, produce each specification after adding certain chemical industry batching heat-seal, like, color, intensity, toughness, etc. relevant material, consequently need carry out the particle cutting to it after the extruder shaping, and the particle size that current particle cutting tool for extruder cut out is not too unanimous, leads to follow-up needs to carry out a lot of screening, and the installation is dismantled inconveniently, and the particle is unable to reach complete drying after the cutting simultaneously, needs follow-up drying process, has increased the process of processing, reduces the work efficiency of particle processing.

Therefore, it is necessary to provide a particle cutting box for an extruder to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a particle cutting case for extruder has solved the problem that the background art provided.

The technical scheme is as follows: a particle cutting box for an extruder comprises a cutting box body, a mounting pipe, a cutting knife rest and an air drying device; the cutting box body is provided with a feeding pipe, the mounting pipe is connected with the feeding pipe through a mounting flange, the cutting knife rest is mounted on the mounting pipe, a central column is arranged in the middle of the cutting knife rest, and a plurality of blades which are distributed annularly and have the same specification are fixedly mounted on the outer column wall of the central column; the utility model discloses a cutting box, including installation pipe, cutting box body, air-dry device, cutting box body, air-dry device, installation pipe up end is provided with rotatory cutting device, rotatory cutting device is corresponding with cutting knife rest position, the inside flitch of being provided with down of cutting box body, air-dry device is connected with lower flitch up end through the bracing piece, air-dry device includes the fan.

Preferably, the rotary cutting device comprises a rotary motor and a cutting piece, and the distance between the cutting piece and the front end face of the mounting pipe is 5-10 mm.

Preferably, the cutting edges of the blades face to the direction of the mounting flange, and the cutting edges on two sides of the blades incline oppositely.

Preferably, the air-drying device further comprises a support frame, the fan is located inside the support frame, and the fan is provided with a plurality of air-drying devices along the length direction of the blanking plate.

Preferably, the bottom of the cutting box body is provided with a plastic particle collecting pipe, the plastic particle collecting pipe corresponds to the tail end of the blanking plate, the blanking plate is obliquely arranged towards the plastic particle collecting pipe, and the blanking plate is connected with the cutting box body through a support frame.

Preferably, a plurality of mounting grooves distributed annularly are formed in the mounting pipe, and one end of the blade is locked in the mounting grooves through screws.

Compared with the prior art, the utility model provides a particle cutting tool for extruder has following beneficial effect:

the utility model provides a particle cutting case for extruder, the material is along with the promotion of extruder and is cut it by a plurality of blades on the center post, because blade evenly distributed on the center post, consequently, the material specification that cuts out between two blades is the same, and open the rotating electrical machines and make the rotating electrical machines drive the arc cut-off piece and cut off and obtain the material particle to the material after having been cut apart by the cutting knife rest, consequently, the obtained particle specification, the size is all similar, cut at the material particle and accomplish the back, directly drop under on the flitch, the slope through the flitch down is automatic to fall into terminal plastic pellet collecting pipe, need not artifical the collection, the fan rotates will weather the remaining water of plastic pellet shanghai, ensure that follow-up plastic pellet who is dry plastic pellet.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a schematic view of the overall structure of a particle cutting box for an extruder according to the present invention;

FIG. 2 is a schematic view of a part of the structure of a particle cutting box for an extruder according to the present invention;

FIG. 3 is a schematic view of an air drying device of a particle cutting box for an extruder according to the present invention;

reference numbers in the figures: 1. cutting the box body; 2. a support frame; 3. a blanking plate; 4. a plastic particle collection tube; 5. a feed pipe; 6. installing a flange; 7. installing a pipe; 8. a rotary cutting device; 81. a rotating electric machine; 82. cutting off the slices; 9. a cutting knife rest; 10. a blade; 11. a support bar; 12. an air drying device; 121. a support frame; 122. a fan; 13. and (4) mounting the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 3, a particle cutting box for an extruder includes a cutting box body 1, a mounting tube 7, a cutting blade holder 9, and an air drying device 12; the cutting box body 1 is provided with a feeding pipe 5, and plastic raw materials to be cut are conveyed into an installation pipe 7 through the feeding pipe 5 for subsequent cutting; the installation pipe 7 is connected with the feeding pipe 5 through the installation flange 6, the cutting knife rest 9 is installed on the installation pipe 7, the center column is arranged in the middle of the cutting knife rest 9, a plurality of blades 10 which are distributed annularly and have the same specification are fixedly installed on the outer column wall of the center column, materials are pushed by the extruder and cut by the blades 10, and the blades 10 on the center column are uniformly distributed, so that the specifications of the materials cut by the two blades 10 are the same, the specifications and the sizes of particles obtained by cutting the materials by the subsequent rotary cutting device 8 are similar, and the quality of the obtained material particles is improved; the upper end surface of the mounting tube 7 is provided with a rotary cutting device 8, the rotary cutting device 8 corresponds to the position of the cutting knife rest 9, and after the material is cut by the blade 10, the cut material is cut into particles by a cutting piece 82 on a rotary motor 81; the cutting box body 1 is internally provided with a blanking plate 3, plastic particles cut into granules automatically fall on the blanking plate 3, and the granules automatically slide into a plastic particle collecting pipe 4 to be collected due to the inclination of the blanking plate 3; air-dry device 12 is connected with unloading board 3 up end through bracing piece 11, air-dry device 12 includes fan 122, and at the in-process of particle landing, fan 122 bloies the plastic pellet, makes remaining a little moisture on the particle weather, ensures that the particle is dry when collecting, improves the quality of particle.

The rotary cutting device 8 comprises a rotary motor 81 and a cutting piece 82, wherein the rotary motor 81 drives the cutting piece 82 to rotate for 360 degrees to cut materials into granules; the distance between the cutting piece 82 and the front end face of the mounting tube 7 is 5-10 mm.

The cutting edge of the blade 10 faces the direction of the mounting flange 6, and the cutting edges on the two sides of the blade 10 incline in opposite directions, so that the efficiency of separating materials into strips by the cutting edges is improved.

The air drying device 12 further comprises a supporting frame 121, the fan 122 is located inside the supporting frame 121, and the fan 122 is provided with a plurality of pieces along the length direction of the blanking plate 3, so that the working efficiency of the fan 122 in drying plastic particles is improved.

The plastic particle collecting pipe 4 is arranged at the bottom of the cutting box body 1, the plastic particle collecting pipe 4 corresponds to the tail end of the blanking plate 3, the blanking plate 3 is obliquely arranged towards the plastic particle collecting pipe 4, and the blanking plate 3 is connected with the cutting box body 1 through the supporting frame 2.

A plurality of mounting grooves 13 distributed annularly are formed in the mounting tube 7, and one end of the blade 10 is locked in the mounting grooves 13 through screws.

The working principle is as follows: the mounting flange 6 is fixedly mounted at the orifice of the feeding pipe 5 for the material of the extruder, the material is pushed by the extruder and cut by the plurality of blades 10, the blades 10 on the central column are uniformly distributed, so that the specification of the material cut between the two blades 10 is the same, the specification and the size of the particle obtained by cutting the material by the subsequent rotary cutting device 8 are similar, the quality of the obtained material particle is improved, after the material particle is cut into particles, the particles fall on the blanking plate 3 and freely slide to the plastic particle collecting pipe 4 at the tail end of the blanking plate 3 through the inclination of the blanking plate 3, in the process of sliding the particles, the fan 122 continuously rotates, a small amount of moisture on the particles is dried, the drying degree of the plastic particles is ensured to reach the standard, and the quality of the plastic particles is improved.

The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All changes and modifications that come within the spirit of the invention are desired to be protected.

Claims

1. The utility model provides a particle cutting case for extruder which characterized in that: comprises a cutting box body, a mounting pipe, a cutting knife rest and an air drying device; the cutting box body is provided with a feeding pipe, the mounting pipe is connected with the feeding pipe through a mounting flange, the cutting knife rest is mounted on the mounting pipe, a central column is arranged in the middle of the cutting knife rest, and a plurality of blades which are distributed annularly and have the same specification are fixedly mounted on the outer column wall of the central column; the utility model discloses a cutting box, including installation pipe, cutting box body, air-dry device, cutting box body, air-dry device, installation pipe up end is provided with rotatory cutting device, rotatory cutting device is corresponding with cutting knife rest position, the inside flitch of being provided with down of cutting box body, air-dry device is connected with lower flitch up end through the bracing piece, air-dry device includes the fan.

2. The pellet cutting box for the extruder as claimed in claim 1, wherein the rotary cutting means comprises a rotary motor and a cutting piece, and the cutting piece is spaced from the front end face of the mounting tube by 5-10 mm.

3. The particle cutting box for the extruder as claimed in claim 1, wherein the cutting edges of the blades face the direction of the mounting flange, and the cutting edges on both sides of the blades are inclined toward each other.

4. The particle cutting box for the extruder as claimed in claim 1, wherein the air drying device further comprises a support frame, the fan is located inside the support frame, and the fan is provided in a plurality along the length direction of the blanking plate.

5. The particle cutting box for the extruder as claimed in claim 1, wherein the bottom of the cutting box body is provided with a plastic particle collecting pipe, the plastic particle collecting pipe corresponds to the end position of the blanking plate, the blanking plate is inclined towards the plastic particle collecting pipe, and the blanking plate is connected with the cutting box body through a support frame.

6. The particle cutting box for the extruder as claimed in claim 1, wherein the mounting tube is provided with a plurality of mounting grooves distributed annularly, and one end of the blade is locked in the mounting groove by a screw.