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A kind of mixing method for strengthening the auxiliary machine of internal mixer

A technology of internal mixer and lower auxiliary machine, which is applied in the field of strengthening the mixing of the lower auxiliary machine of internal mixer, which can solve the problems of the influence of rubber dispersion quality, increase of rubber parking area, and difficulty in filler dispersion, so as to ensure the dispersion of sulfur , saving energy, good mixing effect

Active Publication Date: 2015-11-25
浩盛(新兴)新材料科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But at the same time, due to the rapid temperature rise and slow heat dissipation of the rubber material, it is difficult to disperse the filler under high temperature conditions, and the dispersion quality of the rubber material is also affected. In addition, the mixing of the rubber material needs to be divided into two or more stages of mixing, and parking time is required in the middle , so that the parking area of ​​the workshop rubber material and labor need to be increased, the management of the rubber material is relatively difficult, the production efficiency is also limited to a certain extent, and the energy consumption is relatively large

Method used

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  • A kind of mixing method for strengthening the auxiliary machine of internal mixer

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Embodiment 1

[0032] This strengthens the mixing method of the lower auxiliary machine of the internal mixer, selects one high-speed internal mixer with 1 to 3 lower auxiliary machines of the internal mixer, and selects according to the different types of internal mixers selected and the actual situation. In this embodiment, a GK-270 (20 / 40r / min) high-speed internal mixer and an open mixer with a drilled smooth roller matched with it are selected as the auxiliary machine to form a one-time internal mixing mixer. Machine production line, in which the length of the conveyor belt is 12 meters.

[0033] Tread rubber formula (mass ratio): 3# smoked sheet rubber 50, butadiene rubber BR900050, zinc oxide 4, stearic acid 2, protective wax 1.5, anti-aging agent 40202.5, peptizer SJ-1030.3, precipitation white carbon Black 5, carbon black N22055, aromatic oil 14, accelerator NS1.05, sulfur 1.65

[0034] First use the internal mixer to mix the masterbatch. The speed of the internal mixer is 40r / min, ...

Embodiment 2

[0049] The mixing method of the auxiliary machine under the strengthened internal mixer of the present embodiment selects one XM-370 (6~60r / min) high-speed internal mixer and the open mixer of two drilling smooth roller type rollers matched with it as The lower auxiliary machine constitutes an internal mixer production line that completes mixing at one time, and the length of the conveyor belt is 15 meters.

[0050] Tread rubber formula: same as embodiment 1

[0051] First use the internal mixer to mix the masterbatch. The speed of the internal mixer is 60r / min, and the pressure of the top bolt is 0.7MPa. The mixing process is as follows: Open the top bolt and remove the glue. The temperature of the glue removal is 170°C.

[0052] The entire mixing process above, including the lifting and lowering of the top bolt, takes about 155 seconds in total.

[0053] After the internal mixer has mixed the first rubber material, the rubber material is discharged into the first lowe...

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Abstract

The invention discloses a mixing method for strengthening a lower auxiliary machine of a rubber internal mixer for strengthening shearing dispersion and mixing function of the lower auxiliary machine of the rubber internal mixer. In the method, a high-speed rubber internal mixer and 1 to 3 lower auxiliary mechanisms of the rubber internal mixer which are matched with the high-speed rubber internal mixer form a rubber internal mixer production line for mixing at one time. By adopting roller cooling, spray cooling and conveyer belt cooling to cooperate with a rubber cooling method, the rubber is cooled to the temperature of less than 75 DEG C. By adopting the mode of sulfur masterbatch mixing for sulfurating and mixing, the dispersion degree of the rubber at least reaches 6 level, and the Mooney viscosity reaches an acceptable index of + / -4 Mooney. The mixing method has the advantages of improving the production efficiency, improving the rubber quality, saving the energy, reducing the area of the working field and the usage of forklifts, reducing the labor intensity of operators and saving labor.

Description

technical field [0001] The invention relates to the mixing technology of the lower auxiliary machine of the internal mixer, and specifically refers to a mixing method for strengthening the lower auxiliary machine of the internal mixer, which can complete the mixing process of the rubber material on the production line of the internal mixer at one time. technical background [0002] Since F.H Banbury invented the Banbury internal mixer, internal mixer mixing has gradually become the most important and common way in the modern mixing process. The original internal mixer production line is generally composed of a slow internal mixer and an open mixer. After the internal mixer is mixed, the rubber is discharged to the open mixer for cooling, sulfuration and supplementary mixing. This kind of mixing method is called one-stage mixing method. The whole mixing process is completed once on the production line of the internal mixer, and there is no cooling and parking process of the r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29B7/22B29B7/72B29B7/82
CPCB29B7/183B29B7/7495
Inventor 张海禤文权邹明清
Owner 浩盛(新兴)新材料科技有限公司
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