CN214419266U

CN214419266U - A cut grain device for modified master batch of insulating material

Info

Publication number: CN214419266U
Application number: CN202023272273.1U
Authority: CN
Inventors: 不公告发明人
Original assignee: Zigong Juyuan High Tech Materials Co ltd
Current assignee: Zigong Juyuan High Tech Materials Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-19
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a grain device for insulating material modified master batch, which comprises a die body, wherein the die body comprises a mounting disc, an extrusion head of an extruding machine is butted by the mounting disc, the die body is annular, and an extrusion die is arranged in the inner ring of the die body; the extrusion die comprises a fixed disc and an extrusion disc, the extrusion disc is sleeved on the fixed disc, the extrusion disc is provided with an extrusion hole, and one side of the extrusion die is provided with a rotary cutting device; the rotary cutting device comprises a cutter and a rotating shaft, the rotating shaft is arranged on a fixed disc, the cutter is positioned at the tail end of an extrusion die and is abutted against the tail end of the extrusion die, a supporting rod is arranged on the rotating shaft, and the cutter rotates around the rotating shaft and cuts off raw materials extruded by the extrusion die; with expecting to optimize current water ring grain cutting device, the play of gluing the hole volume deviation great, its blade disc is in long-term use, and the risk that the blade disc appears the deviation with the axiality of cutting grain die head probably appears, is difficult for the problem of being discerned by the staff when the deviation appears.

Description

A cut grain device for modified master batch of insulating material

Technical Field

The utility model relates to a macromolecular material processing equipment, concretely relates to a cut grain device for modified master batch of insulating material.

Background

The modified master batch of the insulating material is a plastic master batch, is mainly used for a reagent for later-stage plastic processing modification, and mainly comprises an excessive amount of chemical additives, carrier resin, dispersing agents and the like. In the plastic processing and forming process, for the convenience of operation, various required additives, fillers and carrier resin are mixed and mixed firstly, and then are mixed, melted and extruded by an extruder to form a material, and then the material is granulated and processed to obtain the granular material.

Grain is cut to current water ring in the course of working, and the bar material of mainly extruding through the water ring die body cuts through the blade disc, in actual production process, appears the extruder supply volume condition that appears undulant occasionally, and the volume deviation is great in the play of each play gum hole that leads to the water ring die body, influences the efficiency of granulation.

The risk that the blade disc and the axiality of cutting grain die head appear the deviation can appear in current blade disc in long-term use, is difficult for being discerned by the staff when the deviation appears, and the master batch size degree of consistency deviation of processing from this is huge. Therefore, how to optimize the dicing apparatus is worth studying.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cut grain device for modified master batch of insulating material to expect to optimize the current water ring and cut grain device, the play volume deviation of gluing of going out the hole is great, and its blade disc is in long-term use, and the risk of deviation appears in the axiality of blade disc and eager grain die head probably appears, is difficult for the problem of being discerned by the staff when the deviation appears.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a grain cutting device for insulation material modified master batches comprises a die body, wherein the die body comprises a mounting disc, an extrusion head of an extruding machine is butted with the mounting disc, the die body is annular, and an extrusion die is arranged in the die body; the extrusion die comprises a fixed disc and an extrusion disc, the extrusion disc is sleeved on the fixed disc, the extrusion disc is provided with an extrusion hole, and one side of the extrusion die is provided with a rotary cutting device; the rotary cutting device comprises a cutter and a rotating shaft, the rotating shaft is arranged on a fixed disc, the cutter is positioned at the tail end of an extrusion die, the cutter is abutted against the tail end of an extrusion disc, a supporting rod is arranged on the rotating shaft, the supporting rod is connected with the cutter, and the cutter rotates around the rotating shaft and cuts off raw materials extruded by the extrusion die.

Preferably, both ends all are the toper around the above-mentioned dish of extruding, and the blade of above-mentioned cutter is the slope form, and the terminal cross section of dish is extruded in the laminating of above-mentioned cutter, and above-mentioned cutter passes through locking bolt with the bracing piece and fixes.

The further technical scheme is that the conical radian of the head end of the extrusion disc is larger than the external radian of the extrusion head of the extruding machine, the head end of the fixed disc is provided with a guide bulge, and a gap is formed between the end part of the guide bulge and the extrusion head of the extruding machine.

Preferably, the mounting plate is provided with locking screw holes and pin holes, the locking screw holes are inserted with locking bolts, the pin holes are arranged on one side of the locking screw holes, and the pin holes are uniformly distributed on the mounting plate.

According to a further technical scheme, the mounting disc is provided with a cooling water hole, the mounting disc is internally provided with a cooling cavity, the head end of the cooling cavity is communicated with the cooling water hole, the tail end of the cooling cavity is located on one side of the extrusion disc, and water is sprayed to the extrusion disc from the cooling cavity.

Preferably, the extrusion plate is made of heat conductive material, the radial direction of the extrusion holes gradually decreases from the head end to the tail end, and gaps are formed among the extrusion holes.

Compared with the prior art, the beneficial effects of the utility model are one of following at least:

the utility model discloses a head is extruded to mounting disc butt joint extruding machine, makes extrusion tooling and extruding machine extrude the unit and correspond, extrudes the strip material through extrusion tooling's extrusion dish, and the rethread rotary cutting device cuts the strip material of extruding the dish output and forms the graininess. The rotating shaft is arranged on the fixed disc, so that the error risk of the cutter in the working process can be reduced.

The utility model discloses a blade of cutter is the slope form to the laminating is extruded the terminal cross section of dish, when the axle center of cutter takes place the skew, the in-process of examination processing, thereby the cutter can be extruding the dish surface wearing and tearing appear, thereby can the staff by the discernment, thereby adjust once more or polish the cutter, with the correct installation of guaranteeing the cutter.

The utility model discloses an extrude hole and adopt radial change, the heat-conduction that can optimize improves the distribution of extrusion capacity simultaneously, and it extrudes the clearance design of hole on extruding the dish, can effectively reduce the wearing and tearing influence that respectively extrude the hole. Both ends all are the toper around extruding the dish, and extrude the toper radian of dish head end and be greater than the external radian that the head was extruded to the extruding machine, the effectual polymer runner that has improved guarantees the homogeneity of material at the flow in-process.

Drawings

Fig. 1 is a schematic view of the structure distribution of the present invention.

Fig. 2 is an installation schematic diagram of the present invention.

Fig. 3 is a schematic view of the distribution of the mounting plate of the present invention.

Description of reference numerals:

1-die body, 2-mounting disc, 3-extrusion die, 4-extrusion disc, 5-rotary cutting device, 6-locking screw hole, 7-pin hole, 8-cooling water hole, 201-cooling cavity channel, 301-fixing disc, 302-guide projection, 401-extrusion hole, 501-cutter, 502-support bar, 503-rotating shaft and 601-locking bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, an embodiment of the present invention is a pellet cutting device for modified masterbatch of insulating material, including a mold body 1, where the mold body 1 includes a mounting plate 2, an extrusion head of an extruder is butted by the mounting plate 2, and the mold body 1 is mainly installed at an output part of the extruder, and because the mold body 1 adopts an assembly form, and the mounting plate 2 needs to correspond to the extrusion head of the extruder, the mold body 1 further includes the mounting plate 2 in addition to the extrusion head of the extruder; the die body 1 is annular, the extrusion die 3 is arranged in the die body 1, materials are extruded from the extrusion head through the extrusion machine, then the materials are input into the extrusion die 3 through the extrusion head, and the materials are extruded into strip-shaped materials through the extrusion die 3, so the die body 1 further comprises the extrusion die 3.

The extrusion die 3 comprises a fixed disc 301 and an extrusion disc 4, the extrusion disc 4 is sleeved on the fixed disc 301, a hollow part is arranged on the extrusion disc 4 and is matched with the fixed disc 301, the extrusion disc 4 can be fixed on the fixed disc 301 in a welding mode, and meanwhile, the fixed disc 301 and the extrusion disc 4 can also be integrally formed through a numerical control machining center.

The extrusion disc 4 is provided with a plurality of extrusion holes 401, and the extrusion holes 401 may be distributed on the extrusion disc 4 in a staggered manner, so as to avoid mutual influence between two adjacent extrusion holes 401. A rotary cutting device 5 is arranged on one side of the extrusion die 3; the extrusion die 3 is cut by the rotary cutting device 5 to meet the basic requirements of circular cutting granulation. It should be noted that, in general, a cooling liquid supply device may be provided in the conventional extruder, and the extrusion die 3 needs to be showered by the cooling liquid supply device.

The rotary cutting device 5 comprises a cutter 501 and a rotating shaft 503, the rotating shaft 503 is installed on the fixed disc 301, the cutter 501 is located at the tail end of the extrusion die 3, the cutter 501 is made of carbon steel, so that the cutter 501 has enough toughness, when the cutter is collided, the cutter 501 made of carbon steel can be bent, and brittle failure of the cutter 501 in the working process is avoided.

The cutter 501 abuts against the end of the extrusion disc 4, the rotating shaft 503 is provided with a support rod 502, the support rod 502 is connected with the cutter 501, and the cutter 501 rotates around the rotating shaft 503 and cuts off the raw material extruded by the extrusion die 3. The rotating shaft 503 is an existing rotating shaft, the rotating shaft 503 can be connected to a variable speed motor through a coupler, and the variable speed motor can be a variable speed motor with a speed reducer; the rotating shaft 503 is driven to rotate by a variable speed motor.

Wherein, bracing piece 502 is embraced and is locked or the welding is on pivot 503, rotates through pivot 503 and drives bracing piece 502, and it is rotatory to drive cutter 501 by bracing piece 502 again to cutter 501 acts on extrusion die 3 extrudes dish 4, will extrude the bar material of hole 401 output and cut off, form the particulate matter.

Based on the above embodiment, the utility model discloses an another embodiment is, both ends all are the toper around the dish 4 is extruded to the aforesaid, and above-mentioned cutter 501's blade is the slope form, and the terminal cross section of dish 4 is extruded in the laminating of above-mentioned cutter 501, and above-mentioned cutter 501 passes through locking bolt with bracing piece 502 and fixes. Because the material of the cutter 501 has certain toughness, in the calibration process, the cutter 501 needs to be attached to the extrusion disc 4, when the extrusion disc 4 deflects with a bearing, the cutter 501 collides with the extrusion disc 4 because the extrusion disc 4 is conical, the surface hardness of the extrusion disc 4 is generally greater than that of the carbon steel of the cutter 501, and the extrusion disc 4 is generally made of high-manganese steel. So that no significant wear of the extrusion disc 4 occurs; when trial processing is carried out, when the cutter 501 deflects on the extrusion disc 4, the cutter 501 usually wears on the extrusion disc 4, so that the cutter 501 can be observed by a worker, and the cutter 501 can be taken down and corrected or adjusted according to the wear condition of the cutter 501 because the cutter 501 and the supporting rod 502 are fixed by the locking bolt.

Further, the taper curvature of the head end of the extrusion disc 4 is larger than the external curvature of the extrusion head of the extruder to ensure that the material extruded by the extruder can gradually fill the extrusion disc 4, so that the material has enough polymerization space before entering the extrusion disc 4, the head end of the fixed disc 301 is provided with a guide projection 302, and a gap is formed between the end part of the guide projection 302 and the extrusion head of the extruder. The material in the polymerization space can uniformly enter the polymer flow channel formed by the extrusion disc 4 through the guide protrusions 302, which contributes to the uniformity of the material during the flow process. Thereby, the guide projection 302 improves the distribution of the intrusion amount.

Based on the above-mentioned embodiment, refer to fig. 2 and show, another embodiment of the present invention is that, be equipped with locking screw 6 and cotter hole 7 on the above-mentioned mounting disc 2, above-mentioned locking screw 6 inserts locking bolt 601, and locking screw 6 one side is arranged in to above-mentioned cotter hole 7, and above-mentioned cotter hole 7 evenly distributed is around mounting disc 2. Because the extruding machine is extruded the head and is corresponded with mounting disc 2, consequently, the extruding machine is extruded the head and is equipped with the functional hole that corresponds with locking screw 6, cotter hole 7, and 6 make mounting disc 2 extrude the in-process of first butt joint with the extruding machine and can lock through locking screw, inserts the pin in its cotter hole 7 in order to realize location fit, avoid mounting disc 2 to appear rocking after extruding first installation with the extruding machine, influence the material and extrude.

Further, referring to fig. 1 and 2, a cooling water hole 8 is formed in the mounting plate 2, a cooling channel 201 is formed in the mounting plate 2, the head end of the cooling channel 201 is communicated with the cooling water hole 8, the tail end of the cooling channel 201 is located on one side of the extrusion plate 4, and water is sprayed from the cooling channel 201 to the extrusion plate 4. Due to the adoption of water ring granulation, the cooling liquid corresponding to the extruding machine can be injected into the cooling cavity channel 201 through the cooling water hole 8, and the cooling water is output from the cooling cavity channel 201 to wash the extruding disc 4, so that the temperature of the extruded material is controlled, and the extruding disc 4 is easy to mold.

Based on the above-mentioned embodiment, the utility model discloses an another embodiment is, in order to further cool down to the material of extruding in the dish 4, the aforesaid is extruded dish 4 and is the heat conduction material, so extrude the mode that dish 4 can pass through the heat bridge and dispel the heat, the aforesaid is extruded hole 401 and is radially dwindled to the end by the head end gradually, and extrude and have the clearance between the hole 401, thereby improve the contact quantity of extruding hole 401 and material, be favorable to the material cooling, it extrudes the clearance design of hole 401 on extruding dish 4, can effectively reduce the wearing and tearing influence of each extrusion hole 401.

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a cut grain device for modified master batch of insulating material, includes die body (1), die body (1) includes mounting disc (2), by mounting disc (2) butt joint extruding machine extrusion head, its characterized in that: the die body (1) is annular, and an extrusion die (3) is arranged in the inner ring of the die body (1);

the extrusion die (3) comprises a fixed disc (301) and an extrusion disc (4), the extrusion disc (4) is sleeved on the fixed disc (301), the extrusion disc (4) is provided with an extrusion hole (401), and one side of the extrusion die (3) is provided with a rotary cutting device (5); rotary-cut device (5) include cutter (501) and pivot (503), install on fixed disk (301) pivot (503), cutter (501) are located extrusion tooling (3) end, cutter (501) are contradicted and are extruded dish (4) end, be equipped with bracing piece (502) on pivot (503), cutter (501) are connected in bracing piece (502), revolute pivot (503) by cutter (501) and rotate and cut off extrusion tooling (3) extruded raw materials.

2. The pelletizing device for the insulation material modified masterbatch according to claim 1, characterized in that: extrude dish (4) front and back both ends and all be the toper, the blade of cutter (501) is the slope form, the terminal cross section of dish (4) is extruded in the laminating of cutter (501), cutter (501) pass through locking bolt with bracing piece (502) and fix.

3. The pelletizing device for the insulation material modified masterbatch according to claim 2, characterized in that: the conical radian of the head end of the extrusion disc (4) is larger than the external radian of the extrusion head of the extruding machine, the head end of the fixed disc (301) is provided with a guide bulge (302), and a gap is formed between the end part of the guide bulge (302) and the extrusion head of the extruding machine.

4. The pelletizing device for the insulation material modified masterbatch according to claim 1, characterized in that: be equipped with locking screw (6) and cotter hole (7) on mounting disc (2), locking bolt (601) is inserted in locking screw (6), locking screw (6) one side is arranged in to cotter hole (7), cotter hole (7) evenly distributed is around mounting disc (2).

5. The pelletizing device for insulation material modified master batches of claim 4, characterized in that: be equipped with cooling water hole (8) on mounting disc (2), it says (201) to be equipped with the cooling chamber in mounting disc (2), cooling chamber says (201) head end intercommunication cooling water hole (8), cooling chamber says that (201) end is located extrudes dish (4) one side, says (201) by the cooling chamber and to extruding dish (4) water spray.

6. The pelletizing device for the insulation material modified masterbatch according to claim 1, characterized in that: the extrusion disc (4) is made of heat conducting materials, the radial direction of the extrusion holes (401) is gradually reduced from the head end to the tail end, and gaps are reserved among the extrusion holes (401).