CN216068597U

CN216068597U - Underwater granulating die head for degrading high-melting non-petroleum-based white master batch

Info

Publication number: CN216068597U
Application number: CN202121870423.0U
Authority: CN
Inventors: 王先平; 林元贤
Original assignee: Jiangyin Debao New Materials Technology Co ltd
Current assignee: Jiangyin Debao New Materials Technology Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-03-18
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses an underwater granulating die head for degrading high-melting non-petroleum-based white master batches, which comprises a die body, wherein the die body is provided with a feeding end surface and a discharging end surface which are oppositely arranged, and a material channel is arranged between the feeding end surface and the discharging end surface in a penetrating manner; the discharge end face comprises a cutting face, a discharge port of the material channel is located on the cutting face, a sealing piece is arranged on the discharge end face, and the sealing piece is located on the periphery of the cutting face. The underwater granulating die head for degrading the high-melting non-petroleum-based white master batches is reasonable in structure, can realize sealing connection between the die head and the granulating motor, and avoids leakage of cooling water.

Description

Underwater granulating die head for degrading high-melting non-petroleum-based white master batch

Technical Field

The utility model relates to the technical field of underwater granulation, in particular to an underwater granulating die head for degrading high-melting non-petroleum-based white master batches.

Background

The underwater granulator comprises a granulating die head, a granulating motor fixed on the discharge end face of the granulating die head, a granulating cutter fixedly connected with the output end of the granulating motor, an underwater granulating chamber between the granulating die head and the granulating motor, and cooling water flows through the underwater granulating chamber.

The working process of the underwater granulator is as follows: the material of high temperature molten state is located the feeding terminal surface of cutting grain die head, through the rotation of extruder, extrudes the material into the material passageway, extrudes from the discharge end face of die head, under the effect of discharge end face cooling water, material cooling, solidification design, cut off the material of stereotyping by cutting the grain sword.

In the prior art, a sealing element is not arranged between the granulating die head and the granulating motor, only the protruding ring and the groove ring which are matched with each other are used for filling, the sealing property is poor, and the underwater granulating chamber is easy to leak water.

Accordingly, there is a need in the art for an improved underwater pelletizing die for degrading high melting non-petroleum based white masterbatch.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides the underwater granulating die head for degrading the high-melting non-petroleum-based white master batches, so that the die head is hermetically connected with a granulating motor, and the leakage of cooling water is avoided.

In order to realize the technical effects, the technical scheme of the utility model is as follows: an underwater pelletizing die head for degrading high-melting non-petroleum base white master batches comprises a die body, wherein the die body is provided with a feeding end surface and a discharging end surface which are oppositely arranged, and a material channel is arranged between the feeding end surface and the discharging end surface in a penetrating manner; the discharge end face comprises a cutting face, a discharge port of the material channel is located on the cutting face, a sealing piece is arranged on the discharge end face, and the sealing piece is arranged on the periphery of the cutting face. Through such design, discharge end has increased the sealing member, has strengthened the leakproofness between die body and the eager grain motor, effectively avoids the seepage of cooling water.

The preferable technical scheme is that the discharge end face is provided with a cutting convex ring, the top face of the cutting convex ring is the cutting face, and the cutting face protrudes out of the sealing element. Through such design, avoid cutting the cutter sealing member with grain sword, lead to the damage of sealing member, lose sealed effect.

The preferable technical scheme is that the sealing element is abutted against the circumferential side surface of the cutting convex ring. By the design, the sealing performance between the sealing element and the cutting surface is enhanced; meanwhile, the sealing element sleeves the cutting surface to play a certain fixing role, so that the equipment is convenient to mount, and the sealing element is prevented from falling off during mounting.

The preferable technical scheme is that the sealing element is a mica sheet. Through the design, the mica has the characteristics of no pollution and high temperature resistance, and meanwhile, the mica sheet has certain flexibility and elasticity, so that the sealing property when the die head is connected with the granulating motor can be ensured; the mica sheet has a heat insulation effect, and the cooling water is isolated from the positioning convex ring, so that the phenomenon that the material is solidified in advance to block a material channel or the material is discharged unevenly due to the fact that the die body is cooled too fast under the influence of the cooling water is avoided; as an equivalent alternative to ensuring tightness, the sealing element may also be an asbestos pad.

The preferable technical scheme is that the thickness of the mica sheet is 3-4 mm.

The preferable technical scheme is that the mica sheet is coated with a sealant. Through such design, the leakproofness between mica sheet and the cutting face has further been strengthened, has avoided the cooling water to leak from the gap between mica sheet and the cutting face.

The preferable technical scheme is that the discharge end face is provided with a positioning convex ring, and the sealing element is arranged on the positioning convex ring. Through such design, be convenient for die body and eager grain motor quick location installation.

The utility model has the advantages and beneficial effects that: according to the underwater granulating die head for degrading the high-melting non-petroleum base white master batches, the sealing element is arranged on the discharge end face, so that the sealing property when the granulating die head is connected with the granulating motor is ensured, the phenomenon of cooling water leakage in an underwater granulating chamber is avoided, and the smooth operation of underwater granulating operation is ensured.

Drawings

FIG. 1 is a schematic structural view of an embodiment 1 of an underwater pelletizing die for degrading high melting non-petroleum based white master batches of the present invention;

FIG. 2 is a schematic view of the separation of mica sheets from the mold body of an embodiment 1 of an underwater pelletizing die for degrading high melting non-petroleum based white master batches according to the present invention;

FIG. 3 is a schematic view of the feed end face configuration of example 1 of an underwater pelletizing die for degrading high melting non-petroleum based white masterbatch according to the utility model;

in the figure: 1. a mold body; 11. a feed end face; 12. a discharge end face; 2. a material channel; 3. cutting the surface; 31. cutting the convex ring; 4. mica sheets; 5. positioning the convex ring; 6. a shunt cone.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Example 1

As shown in fig. 1 to 3, the underwater pelletizing die for degrading the high-melting non-petroleum-based white masterbatch of example 1 includes a die body 1, the die body 1 has a feeding end surface 11 and a discharging end surface 12 which are oppositely arranged, and a material channel 2 is arranged between the feeding end surface 11 and the discharging end surface 12 in a penetrating manner; the discharge end face 12 comprises a cutting face 3, a discharge port of the material channel 2 is located on the cutting face 3, a sealing element is arranged on the discharge end face 12, the sealing element is a mica sheet 4, and the mica sheet 4 is arranged on the periphery of the cutting face 3.

The discharge end face 12 is provided with a cutting convex ring 31, the top surface of the cutting convex ring 31 is a cutting face 3, and the cutting face 3 protrudes out of the mica sheet 4.

The mica sheets 4 are disposed in abutment with the circumferential side faces of the cutting collar 31.

The discharge end face 12 is provided with a positioning convex ring 5, and the mica sheets 4 are arranged on the positioning convex ring 5.

The thickness of the mica sheet 4 is 3-4 mm.

The mica sheet 4 is coated on all sides with a sealant.

The feeding end face 11 is fixedly provided with a shunting cone 6 used for guiding materials to the material channel 2, and the bottom surface of the shunting cone 6 is fixedly connected with the feeding end face 11.

The feed inlet of the material channel 2 is arranged on the periphery of the bottom surface of the shunting cone 6.

The cutting surface 3 is arranged in a circular ring shape.

The material channel 2 is arranged in a round table shape, and a smaller port of the material channel 2 is a discharge port of the material channel.

The use mode of the embodiment is as follows: cut grain die head and cut grain motor fixed connection, location bulge loop 5 and cut the recess ring looks spacing cooperation on the grain motor, and mica sheet 4 presss from both sides and locates between location bulge loop 5 and the recess ring, and mica sheet 4 plays sealed effect.

Under the action of the extruder, the material in a high-temperature molten state is guided into the material channel 2 from the feeding end face 11 through the shunting action of the shunting cone 6, is extruded from the discharging end face 12, is cooled and shaped by cooling water on the side of the discharging end face 12, and is cut by the dicing cutter.

Example 2

Example 2 is based on example 1 with the difference that: the sealing element is an asbestos pad.

When the embodiment 2 is used, the positioning convex ring 5 is in a high-temperature (230 ℃) state, the asbestos pad arranged on the positioning convex ring 5 is always abutted against the positioning convex ring 5 with high temperature, and after 30min, toxic substances are emitted to influence the body health of workers.

Comparative example

The comparative example is based on example 1, with the difference that: the discharge end face 12 is not provided with a sealing element.

The discharge end face 12 is provided with a positioning convex ring 5, and the granulating motor is provided with a groove ring which is in limited fit with the positioning convex ring 5.

When the comparison example is assembled, the positioning convex ring 5 is limited in the groove ring, and the peripheral side wall of the positioning convex ring 5 is in butt fit with the inner wall of the groove ring. After underwater pelletizing operation for 5min, water seepage begins at the joint of the pelletizing die head and the pelletizing motor.

	Example 1	Example 2	Comparative example
				After 30min, whether toxic substances are emitted or not	Whether or not	Is that	Whether or not
After underwater pelletizing operation for 5min, whether water seepage exists at the joint of the pelletizing die head and the pelletizing motor	Whether or not	Whether or not	Is that

Example 1 in comparison to example 2, the mica sheet 4 achieved the same sealing effect as the asbestos mat, but the mica sheet 4 did not emit toxic substances under the high temperature of the underwater pelletizing die used to degrade the high melting non-petroleum based white masterbatch.

Example 1 compared with the comparative example, although toxic substances are not emitted, the addition of the mica sheet 4 can greatly enhance the sealing property between the underwater pelletizing die head for degrading the high-melting non-petroleum-based white masterbatch and the pelletizing motor, and avoid the leakage of cooling water.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An underwater pelletizing die head for degrading high-melting non-petroleum base white master batches comprises a die body (1), wherein the die body (1) is provided with a feeding end surface (11) and a discharging end surface (12) which are oppositely arranged, and a material channel (2) penetrates between the feeding end surface (11) and the discharging end surface (12); the discharge end face (12) comprises a cutting face (3), and a discharge hole of the material channel (2) is located on the cutting face (3), and the discharge end face (12) is provided with a sealing piece which is arranged on the periphery of the cutting face (3).

2. The underwater pelletizing die head for degrading the high-melting non-petroleum base white master batch according to claim 1, characterized in that the discharge end face (12) is provided with a cutting convex ring (31), the top surface of the cutting convex ring (31) is the cutting face (3), and the cutting face (3) is arranged to protrude from the sealing member.

3. The underwater pelletizing die head for degrading high melting non-petroleum based white masterbatch according to claim 2, characterized in that the sealing element is disposed in abutment with a circumferential side surface of the cutting bulge loop (31).

4. The underwater pelletizing die for degrading high melting non-petroleum based white masterbatch according to claim 1, characterized in that the sealing member is a mica sheet (4).

5. The underwater pelletizing die for degrading high melting non-petroleum based white masterbatch according to claim 4, characterized in that the mica sheet (4) has a thickness of 3-4 mm.

6. The underwater pelletizing die head for degrading the high-melting non-petroleum based white master batch according to claim 4, characterized in that the mica sheet (4) is coated with a sealant.

7. The underwater pelletizing die head for degrading the high-melting non-petroleum base white master batch according to claim 1, characterized in that the discharge end face (12) is provided with a positioning convex ring (5), and the sealing element is arranged on the positioning convex ring (5).