CN212826232U

CN212826232U - Particle cutting tool for extruder

Info

Publication number: CN212826232U
Application number: CN202021018636.6U
Authority: CN
Inventors: 张华林
Original assignee: Suzhou Baodejia New Material Co ltd
Current assignee: Suzhou Baodejia New Material Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-03-30
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a particle cutting tool for extruder, including mounting flange, cutting knife rest and rotatory cutting device, fixed mounting has the installation pipe with the axle center on the mounting flange, and the preceding terminal surface of installation pipe sets up the mounting groove that a plurality of annular distributes, cutting knife rest installs on the installation pipe, and cutting knife rest includes center post and blade, the outer post jade and jade fixed mounting of center post has a plurality of annular to distribute, the blade that the specification is the same, a rotatory cutting device that the material that is used for after the cutting knife rest cutting cut off installs on the installation pipe, and rotatory cutting device includes rotating electrical machines and arc cut-off piece, rotating electrical machines fixed mounting is at the top of installation pipe, and the output end of rotating electrical machines is fixed and has been cup jointed the arc cut-off piece, the end face interval is 5-10mm before arc cut-off piece and the. The utility model provides a particle cutting tool for extruder is convenient for install, cuts even advantage.

Description

Particle cutting tool for extruder

Technical Field

The utility model relates to a cutting tool technical field especially relates to a particle cutting tool 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 granules are semi-finished raw materials for plastic industrial production, and after certain chemical ingredients are added, the PVC granules are subjected to heat sealing to produce related materials with various specifications, product images, colors, strength, toughness and the like, so that the PVC granules are required to be subjected to particle cutting after an extruder is formed, and the sizes of particles cut by the particle cutting tool for the existing extruder are not consistent, so that the subsequent screening is required for multiple times, and the installation and the disassembly are inconvenient.

Therefore, it is necessary to provide a pellet cutter 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 tool for extruder has solved the problem that the background art provided.

The technical scheme is as follows: the utility model provides a particle cutting tool for extruder, mounting flange, cutting knife rest and rotatory cutting device, mounting flange is last fixed mounting has the installation pipe with the axle center, and the mounting groove that a plurality of annular distributes is seted up to the preceding terminal surface of installation pipe, cutting knife rest installs on the installation pipe, and cutting knife rest includes center post and blade, the outer post jade and jade wall fixed mounting of center post has a plurality of annular to distribute, the same blade of specification, a rotatory cutting device that the material for after cutting knife rest cutting cut off is installed on the installation pipe.

Preferably, the rotary cutting device comprises a rotary motor and an arc-shaped cutting piece, the rotary motor is fixedly installed at the top of the installation pipe, the arc-shaped cutting piece is fixedly sleeved at the output end of the rotary motor, and the distance between the arc-shaped cutting piece and the front end face of the installation pipe is 5-10 mm.

Preferably, the cutting edges of the blades face to the mounting flange direction, and the cutting edges on two sides of the blades incline in opposite directions, so that the blades can cut materials extruded by the extruder more smoothly.

Preferably, the end of the central column facing the mounting flange is fixedly provided with a conical head seat, so that the blades on the central column can better cut the extruded material of the extruder.

Preferably, one end, far away from the central column, of the blade in the cutting knife rest is inserted into a mounting groove formed in the mounting pipe and is fixed in the mounting groove through a fixing screw.

Preferably, the mounting flange is provided with a plurality of mounting holes distributed annularly.

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 tool 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, improve the quality that obtains the material particle, and when needing to maintain the blade, lift fixing screw and can take off the cutting knife rest from the installation pipe, so that change, maintain the cutting knife rest, this equipment framework is simple, and the installation, it is all more convenient to dismantle.

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 structural view of a particle cutting tool for an extruder according to the present invention;

FIG. 2 is a schematic view of the backside structure shown in FIG. 1;

reference numbers in the figures: 1. the mounting method comprises the following steps of mounting a flange, 2, a mounting pipe, 3, a mounting groove, 4, a cutting knife rest, 41, a center column, 42, a blade, 5, a rotary cutting device, 51, a rotary motor, 52, an arc-shaped cutting piece, 6, a cone seat, 7, a cutting edge, 8, a fixing screw, 9 and a mounting hole.

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 2, a particle cutting tool for an extruder, fig. 1 is a schematic structural diagram of a preferred embodiment of the particle cutting tool for an extruder according to the present invention; fig. 2 is a schematic view of the back structure shown in fig. 1. The particle cutter for an extruder includes: mounting flange 1, cutting knife rest 4 and rotatory cutting device 5.

In the specific implementation process, as shown in fig. 1 and 2, a plurality of mounting holes 9 distributed annularly are formed in the mounting flange 1, the mounting flange 1 is fixedly provided with a mounting pipe 2 coaxial with the center, a plurality of mounting grooves 3 distributed annularly are formed in the front end face of the mounting pipe 2, the cutting knife rest 4 is installed on the mounting pipe 2, the cutting knife rest 4 comprises a central column 41 and a blade 42, a plurality of annular distributions are fixedly installed on the outer column wall of the central column 41, the blades 42 are identical in specification, one end, far away from the central column 41, of the blade 42 in the cutting knife rest 4 is inserted into the mounting groove 3 formed in the mounting pipe 2 and is fixed in the mounting groove 3 through a fixing screw 8.

It should be noted that: the mounting flange 1 is fixedly mounted at an outlet of materials of the extruder by penetrating through a mounting hole 9 in the mounting flange 1 through a bolt, the materials are pushed by the extruder and are cut by a plurality of blades 42 on a central column 41, and the blades 42 on the central column 41 are uniformly distributed, so that the specifications of the materials cut between the two blades 42 are the same, the specifications and sizes of particles cut by a subsequent rotary cutting device 5 are similar, the quality of the obtained material particles is improved, and when the blades 42 need to be maintained, the cutting knife rest 4 can be taken down from the mounting pipe 2 by detaching the fixing screw 8, so that the cutting knife rest 4 can be replaced and maintained.

The cutting edges 7 of the blades 42 face the direction of the mounting flange 1, and the cutting edges 7 on the two sides of the blades 42 are inclined oppositely, so that the cutting of the materials extruded by the extruder by the blades 42 is smoother, and the conical head seat 6 is fixedly mounted at one end of the central column 41 facing the mounting flange 1, so that the materials extruded by the extruder are better cut by the blades 42 on the central column 41.

Referring to fig. 1, a rotary cutting device 5 for cutting off the material cut by the cutting blade holder 4 is installed on the installation pipe 2, the rotary cutting device 5 includes a rotary motor 51 and an arc-shaped cutting blade 52, the rotary motor 51 is fixedly installed at the top of the installation pipe 2, the arc-shaped cutting blade 52 is fixedly sleeved at the output end of the rotary motor 51, the distance between the arc-shaped cutting blade 52 and the front end face of the installation pipe 2 is 5-10mm, and the rotary motor 51 is started to enable the rotary motor 51 to drive the arc-shaped cutting blade 52 to cut off the material cut by the cutting blade holder 4 and obtain material particles.

The utility model provides a particle cutting tool's for extruder theory of operation as follows:

the mounting flange 1 is fixedly mounted at an outlet of a material of the extruder by a bolt penetrating through a mounting hole 9 on the mounting flange 1, the material is pushed by the extruder and is cut by a plurality of blades 42 on a central column 41, the blades 42 on the central column 41 are uniformly distributed, so that the specification of the material cut between the two blades 42 is the same, the specification and the size of the particle cut by a subsequent rotary cutting device 5 are similar, the quality of the obtained material particle is improved, when the blades 42 need to be maintained, the cutting knife rest 4 can be taken down from the mounting pipe 2 by detaching the fixing screw 8, so that the cutting knife rest 4 can be replaced and maintained, and the rotary motor 51 is started to drive the arc-shaped cutting piece 52 to cut the material which is cut by the cutting knife rest 4 and obtain the material particle.

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. A particle cutting tool for an extruder is characterized in that: the mounting flange comprises a mounting flange (1), wherein a coaxial mounting pipe (2) is fixedly mounted on the mounting flange (1), and a plurality of mounting grooves (3) distributed annularly are formed in the front end face of the mounting pipe (2); the cutting knife rest (4) is installed on the installation pipe (2), the cutting knife rest (4) comprises a central column (41) and blades (42), and the outer column wall of the central column (41) is fixedly provided with a plurality of blades (42) which are distributed annularly and have the same specification; and the rotary cutting device (5) is used for cutting off the material cut by the cutting knife rest (4), and the rotary cutting device (5) is arranged on the mounting pipe (2).

2. The particle cutting tool for the extruder as claimed in claim 1, wherein the rotary cutting device (5) comprises a rotary motor (51) and an arc-shaped cutting blade (52), the rotary motor (51) is fixedly installed on the top of the mounting tube (2), the arc-shaped cutting blade (52) is fixedly sleeved on the output end of the rotary motor (51), and the distance between the arc-shaped cutting blade (52) and the front end face of the mounting tube (2) is 5-10 mm.

3. The particle cutting tool for the extruder as claimed in claim 1, wherein the cutting edges (7) of the blades (42) face in the direction of the mounting flange (1), and the cutting edges (7) on both sides of the blades (42) are inclined toward each other.

4. The particle cutting tool for the extruder according to claim 1, wherein the end of the central column (41) facing the mounting flange (1) is fixedly provided with a conical head seat (6).

5. The particle cutting tool for the extruder as claimed in claim 1, wherein one end of the blade (42) of the cutting blade holder (4) far away from the central column (41) is inserted into the mounting groove (3) formed in the mounting tube (2) and fixed in the mounting groove (3) by a fixing screw (8).

6. The particle cutting tool for the extruder as claimed in claim 1, wherein the mounting flange (1) is provided with a plurality of mounting holes (9) distributed annularly.