CN218315142U

CN218315142U - Special high-efficiency strong-plasticizing screw barrel for rubber

Info

Publication number: CN218315142U
Application number: CN202222411995.3U
Authority: CN
Inventors: 王海龙
Original assignee: Zhoushan Yuxin Machinery Co ltd
Current assignee: Zhoushan Yuxin Machinery Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-01-17
Anticipated expiration: 2032-09-13

Abstract

The utility model provides a special screw rod barrel of high-efficient strong plastify rubber has solved the bigger problem of screw rod major diameter in the current rubber extruder. The compression section includes compression section and No. two compression sections, the spiral groove degree of depth on the compression section No. two diminishes along the pay-off direction gradually, the inner wall equipartition that the barrel corresponds No. two compression sections has the helicla flute, the degree of depth grow gradually of helicla flute. Shear through the spiral shell arris on the compression section No. two and barrel cooperation, diminish along with the spiral shell groove degree of depth gradually, the sizing material flow direction spiral inslot and shear the sizing material, the smooth circulation of sizing material is guaranteed to the degree of depth grow gradually of spiral groove simultaneously, prevents the condition emergence of putty, can carry out the efficient plastify to the sizing material through the cooperation of screw rod with the barrel, and screw rod length can shorten moreover, and the draw ratio of screw rod can keep between 12.

Description

Special high-efficiency strong-plasticizing screw barrel for rubber

Technical Field

The utility model relates to an extrusion equipment technical field, concretely relates to special screw rod barrel of rubber of high-efficient strong plastify.

Background

The rubber extruder is also called extruder, and is one of the important technological equipments in the production of rubber products. The rubber extruder is used for stirring, mixing, heating, plasticizing and the like of rubber materials under the combined action of a screw and a machine barrel, and finally, shaping and extruding the rubber materials through a machine head at a certain extrusion temperature. In order to achieve a better plasticizing effect, the longer the time that the rubber material needs to stay in the barrel at a certain screw rotation speed, which results in a longer screw and barrel needed in the production process, the screw in the current rubber extruder, such as the screw of the rubber extruder disclosed in the publication No. CN201427389Y, has a length-diameter ratio of 16.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough of background art, the utility model provides a special screw rod barrel of high-efficient strong plastify rubber has solved the bigger problem of screw rod major diameter in the current rubber extruder.

The utility model adopts the technical scheme as follows:

special screw rod barrel of high-efficient plastify by force, include the barrel and be located the body of rod in the barrel, the body of rod is equipped with reinforced section, compression section and measurement section along the pay-off direction in proper order, the compression section includes a compression section and No. two compression sections, the spiral groove degree of depth on No. two compression sections diminishes along the pay-off direction gradually, the inner wall equipartition that the barrel corresponds No. two compression sections has the helicla flute, the degree of depth grow gradually of helicla flute.

The discharge end of the second compression section is of a closed structure.

The second compression section comprises a first section and a second section, and the width of the spiral groove of the second section is smaller than that of the spiral groove of the first section.

Four screw ridges are uniformly distributed on the first section, and eight screw ridges are uniformly distributed on the second section.

No. two compression sections are equipped with main spiral shell arris and vice spiral shell arris, no. two compression sections are equipped with gradual change section and horizontal segment No. one in proper order along the pay-off direction of main spiral shell arris, no. two compression sections are equipped with the horizontal segment No. two that correspond with a gradual change section and the gradual change section No. two that correspond with a horizontal segment in proper order along the pay-off direction of vice spiral shell arris.

The screw edge of the first compression section is provided with a notch, and the circumferential direction of the machine barrel is provided with a pin matched with the notch.

The barrel comprises a first barrel body matched with the first compression section and a second barrel body matched with the second compression section, and the first barrel body is connected with the second barrel body through a flange.

The central point of the rod body is provided with a cooling channel, and the circumferential direction of the machine barrel is provided with a cooling channel II.

The utility model has the advantages that:

shear through the spiral shell arris on the compression section No. two and barrel cooperation, diminish along with the spiral shell groove degree of depth gradually, the sizing material flow direction spiral inslot and shear the sizing material, the smooth circulation of sizing material is guaranteed to the degree of depth grow gradually of spiral groove simultaneously, prevents the condition emergence of putty, can carry out the efficient plastify to the sizing material through the cooperation of screw rod with the barrel, and screw rod length can shorten moreover, and the draw ratio of screw rod can keep between 12.

Drawings

Fig. 1 is a schematic diagram of the present invention.

Figure 2 is a schematic view of the barrel of the present invention.

Fig. 3 is a schematic view of the screw of the present invention.

Fig. 4 is a schematic view showing the screw of the present invention being unfolded.

Fig. 5 isbase:Sub>A schematic cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 4 according to the present invention.

Fig. 6 is a schematic view of the present invention without the screw rib in fig. 5.

Barrel 1, barrel 101, no. two barrels 102, the body of rod 2, reinforced section 3, compression section 4, compression section 41, no. two compression sections 42, first section 421, second section 422, measurement section 5, spiral groove 6, main spiral shell arris 7, vice spiral shell arris 8, transition 9, horizontal segment 10, no. two horizontal segments 11, transition 12, breach 13, pin 14, cooling channel 15, cooling channel 16 No. two.

Detailed Description

The present invention will be further explained with reference to the following drawings and examples:

in the embodiment, as shown in fig. 1, fig. 2, and fig. 3, the special screw barrel for rubber with high efficiency and strong plasticization includes a barrel 1 and a rod body 2 located in the barrel 1, the rod body 2 is sequentially provided with a feeding section 3, a compression section 4, and a metering section 5 along a feeding direction, the compression section 4 includes a first compression section 41 and a second compression section 42, a depth and a width of a spiral groove on the second compression section 42 gradually decrease along the feeding direction, spiral grooves 6 are uniformly distributed on an inner wall of the barrel 1 corresponding to the second compression section 42, and a depth of the spiral groove 6 gradually increases. Shear through the spiral shell arris on the second compression section 42 and barrel 1 cooperation, along with the spiral groove degree of depth diminishes gradually, the sizing material flows into in the helicla flute 8 and shears the sizing material, and the smooth circulation of sizing material is guaranteed to the degree of depth grow gradually of helicla flute 6 simultaneously, prevents the condition emergence of putty, can carry out the efficient plastify to the sizing material through the cooperation of screw rod and barrel, and screw rod length can shorten, and the draw ratio of screw rod can keep between 12.

In the embodiment, as shown in fig. 3 and 4, the discharge end of the second compression section 42 is of a closed structure. The rubber materials flow into the spiral groove 6, and meanwhile, the discharge end of the second compression section 42 strongly shears the rubber materials, so that the rubber materials can be better plasticized.

In an embodiment, as shown in fig. 3, 4 and 5, the second compression section 42 includes a first section 421 and a second section 422, and the second section 422 has a groove width smaller than that of the first section 421; four screw ridges are uniformly distributed on the first section 421, and eight screw ridges are uniformly distributed on the second section 422. The main screw edge 7 and the auxiliary screw edge 8 of the first section 421 are two ends respectively, the main screw edge 7 and the auxiliary screw edge 8 of the second section 422 are four ends respectively, and the shearing strength of the rubber material is increased after the rubber material enters the second section 422, so that the plasticizing rate of the rubber material is improved.

In an embodiment, as shown in fig. 5 and 6, the second compression section 42 is provided with a main screw ridge 7 and an auxiliary screw ridge 8, the first transition section 9 and the first horizontal section 10 are sequentially arranged on the second compression section 42 along the feeding direction of the main screw ridge 7, and the second horizontal section 11 corresponding to the first transition section 9 and the second transition section 12 corresponding to the first horizontal section 10 are sequentially arranged on the second compression section 42 along the feeding direction of the auxiliary screw ridge 8. Main spiral arris 7 and vice spiral arris 8 carry out the cross shearing for promote the shearing force, can improve the compounding effect simultaneously.

In an embodiment, as shown in fig. 1, fig. 2, and fig. 3, a notch 13 is provided on a screw edge of the first compression section 41, and a pin 14 that is matched with the notch 13 is provided on the circumference of the barrel 1. The rubber material is stirred by the pin 14, and the rubber material is subjected to a certain temperature through friction, so that the rubber material is subjected to preliminary plasticizing.

In an embodiment, as shown in fig. 1 and 2, the cylinder 1 includes a first cylinder 101 for cooperating with the first compression section 41 and a second cylinder 102 for cooperating with the second compression section 42, and the first cylinder 101 and the second cylinder 102 are connected by flanges. The machine barrel 1 is convenient to disassemble and assemble, the cylinders are convenient to process, and the manufacturing difficulty and cost of the machine barrel 1 are reduced.

In an embodiment, as shown in fig. 1, 2 and 3, a first cooling channel 15 is provided in the center of the rod body 2, and a second cooling channel 16 is provided in the circumferential direction of the barrel 1. The screw and the machine barrel 1 are cooled simultaneously, so that the situation that the rubber is heated for a long time and scorched is avoided.

It is obvious that the above embodiments of the present invention are only examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. There is no need or no way to give poor examples of all embodiments. And that such obvious changes and modifications are within the scope of the present invention as defined by the appended claims.

Claims

1. Special screw rod barrel of rubber of high-efficient strong plastify, include barrel (1) and be located body of rod (2) in barrel (1), the body of rod (2) are equipped with charging section (3), compression section (4) and measurement section (5), its characterized in that along the pay-off direction in proper order: compression section (4) are including a compression section (41) and No. two compression sections (42), the thread groove degree of depth on No. two compression sections (42) diminishes along the pay-off direction gradually, the inner wall equipartition that barrel (1) corresponds No. two compression sections (42) has helicla flute (6), the degree of depth grow gradually of helicla flute (6).

2. The highly efficient and robust plasticized rubber-specific screw barrel of claim 1, wherein: the discharge end of the second compression section (42) is of a closed structure.

3. The screw barrel for highly efficient and intensive plasticization of rubber according to claim 1, characterized in that: the second compression section (42) comprises a first section (421) and a second section (422), and the width of the spiral groove of the second section (422) is smaller than that of the spiral groove of the first section (421).

4. The screw barrel for highly efficient and intensive plasticization of rubber according to claim 3, characterized in that: four screw ridges are uniformly distributed on the first section (421), and eight screw ridges are uniformly distributed on the second section (422).

5. The screw barrel for highly efficient and intensive plasticization of rubber according to claim 1, characterized in that: no. two compression section (42) are equipped with main spiral shell arris (7) and vice spiral shell arris (8), no. two compression section (42) are equipped with graduated section (9) and horizontal segment (10) No. one in proper order along the pay-off direction of main spiral shell arris (7), no. two compression section (42) are equipped with No. two horizontal segments (11) that correspond with graduated section (9) and No. two graduated sections (12) that correspond with horizontal segment (10) in proper order along the pay-off direction of vice spiral shell arris (8).

6. The screw barrel for highly efficient and intensive plasticization of rubber according to claim 1, characterized in that: the screw rib of the first compression section (41) is provided with a notch (13), and a pin (14) matched with the notch is arranged on the circumferential direction of the machine barrel (1).

7. The highly efficient and robust plasticized rubber-specific screw barrel of claim 1, wherein: the machine barrel (1) comprises a first barrel body (101) matched with the first compression section (41) and a second barrel body (102) matched with the second compression section (42), and the first barrel body (101) and the second barrel body (102) are connected through flanges.

8. The screw barrel for highly efficient and intensive plasticization of rubber according to claim 1, characterized in that: the central position of the rod body (2) is provided with a first cooling channel (15), and the circumferential direction of the machine barrel (1) is provided with a second cooling channel (16).