Compound material support roller and preparation method thereof

A technology of composite materials and rollers, which is applied in the direction of rollers, conveyor objects, transportation and packaging, etc., can solve the problems of high friction coefficient, low impact resistance, high manufacturing cost, etc., and achieve excellent impact resistance and low production cost. Effect

Inactive Publication Date: 2007-04-18
HENGSHUI HONGQI ROLLER MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the idler rollers made of plastics as the main raw material cannot be used on coal mine conveyors that often operate continuously due to their low strength, poor impact resistance, and large friction coefficient; in addition, there are also high manufacturing costs and short service life (2 -3 months) for defects

Method used

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  • Compound material support roller and preparation method thereof
  • Compound material support roller and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The first step: weighing and drying

[0023] Weigh 85kg of ultra-high molecular polyethylene particles, place in an oven and heat to 120°C, dry for 60 minutes to remove water and take out;

[0024] The second step: add accessories, mix and stir

[0025] Take 0.5kg of titanate as coupling agent, 0.1kg of copper powder as antistatic agent, 0.1kg of microencapsulated red phosphorus and 0.2kg of decabromodiphenyl ether as flame retardant, and 0.1kg of polyethylene wax stearic acid as fluid Modifier and 0.5kg of nano-calcium carbonate, mixed with dried ultra-high molecular polyethylene.

[0026] The third step: extruder extrusion, cooling

[0027] The mixture was added to an extruder that had been heated at 110°C, 160°C, 220°C, 240°C and 220°C for extrusion to form a cylinder, and put into a water tank to cool.

[0028] Step 4: Machining and Assembly

[0029] Cut the cooled cylinder into roller cylinder 1 according to the design, put the rotating shaft 2 fixed with the b...

Embodiment 2

[0032] The first step: weighing and drying

[0033] Weigh 90kg of ultra-high molecular weight polyethylene particles, place in an oven and heat to 125°C, dry for 55 minutes to remove water and take out;

[0034] The second step: add accessories, mix and stir

[0035] After taking 0.6kg of vinyl siloxane as coupling agent, 0.1kg of graphite as antistatic agent and 1.0kg of nano glass beads, mix them with dried ultra-high molecular polyethylene and mix them with dried ultra-high molecular weight polyethylene. Molecular polyethylene is mixed and stirred.

[0036] The third step: extruder extrusion, cooling

[0037] Put the mixture into an extruder that has been heated to 100°C, 150°C, 200°C, 230°C, 210°C to form a cylinder and put it into a water tank to cool.

[0038] Step 4: Machining and Assembly

[0039] Cut the cooled cylinder into roller cylinder 1 according to the design, put the rotating shaft 2 fixed with the bearing 3 into it, and put the sealing blocks 4 at both en...

Embodiment 3

[0041] The first step: weighing and drying

[0042] Weigh 95kg of ultra-high molecular weight polyethylene particles, place in an oven and heat to 120°C, dry for 65 minutes to remove water and take out;

[0043] The second step: add accessories, mix and stir

[0044] Take 1.0kg of acrylic siloxane as coupling agent, 0.5kg of polyethylene wax stearic acid as flow modifier and 1.5kg of nano wollastonite, mix and stir with dried ultra-high molecular weight polyethylene

[0045] The third step: extruder extrusion, cooling

[0046] Put the mixture into an extruder that has been heated to 120°C, 170°C, 230°C, 240°C, 210°C to form a cylinder and put it into a water tank to cool.

[0047] Step 4: Machining and Assembly

[0048] Cut the cooled cylinder into roller cylinder 1 according to the design, put the rotating shaft 2 fixed with the bearing 3 into it, and put the sealing blocks 4 at both ends of the cylinder, and then form a roller cylinder that can be used in salt fields, gra...

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Abstract

The present invention relates to an idler roller made of composite material and its preparation method. Said preparation method includes the following steps: adding coupling agent, nano material, anti-static agent, fire-resisting agent and flow modification agent in the dried ultrahigh molecular polyethylene, mixing and stirring them, extruding with extruding machine, cooling by water tank, cutting ink into circular cylinder with required length and placing it into the rotating shaft wind bearing so as to form the invented composite material idler roller with the advantages of resisting corrosion, resisting wear, resisting impact, resisting static electricity and long service life.

Description

technical field [0001] The invention belongs to the technical field of idler rollers used in belt conveyors, and relates to a production process for preparing idler rollers. Background technique [0002] At present, most of the idlers used on belt conveyors used in mines, buildings, grain depots and salt fields are made of metal materials such as steel pipes and cast iron pipes. However, the idlers made of metal materials have the disadvantages of heavy weight, no corrosion resistance, short life (generally 2-3 months) and high cost of use. [0003] The invention patent with the patent number ZL96115855.7 discloses an antistatic, flame retardant composition for plastic idlers in underground coal mines and a preparation method thereof. Using the raw materials and methods disclosed in this patent, at least 14 kinds of chemical raw materials are required to prepare antistatic and flame-retardant plastic idlers. However, the idler rollers made of plasti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65G39/02C08L23/06B29B7/00B29C47/00B29C69/00
Inventor 陈红升
Owner HENGSHUI HONGQI ROLLER MFG
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