CN1172984C - Method for producing hose of hose pump - Google Patents

Abstract

The present invention discloses a production technique of a flexible pipe for a flexible pipe pump, which comprises the technological processes of rubber material matching, rubber material mixing, pipe discharge, pipe sheathing, winding, forming, vulcanizing treatment, lathe turning machining, etc. Due to the adoption of high elasticity high abrasion resistance rubber materials, the product fabricated by the present invention has the advantages of flexibly pipe body, high elasticity and outstanding abrasion resistance. In the skeleton of the rubber pipe, high strength, aging resisting, corrosion resisting and abrasion resisting synthetic fibers are adopted and specially treated to maintain superior bonding strength with the rubber materials for the rubber pipe and enhance the integral performance of the pipe body. While in use, the rubber pipe has the advantages of little heat generation, good elasticity recovery, high durability and service life prolongation of the rubber pipe.

Description

The production method of hose of hose pump

(1) technical field

The invention belongs to the sebific duct production technical field, be specifically related to a kind of production method of hose of hose pump.

(2) background technology

The domestic and international at present hose of hose pump of producing, its production technique all is to adopt certain composition of raw materials to make sizing material with mixing facilities, extrudes interior pipe, and add framework material on the internal layer sebific duct, and then make outer sebific duct, be made into the finished product of certain specification through turning processing.On structure, its framework material mostly is that the nylon cord that adopts tire to use is cut into certain width, by certain angle one anti-one positively biased twining on the internal layer sebific duct, has middle film between cloth that has and the cloth by hand, and layer of cloth generally all is to twine four layers.Friction pull is poor between the flexible pipe layer of cloth of this kind structure, in use, the easy delamination of cloth and cloth, the pipe damage of easily boring a hole, work-ing life is short, generally has only 400-500 hour, sometimes even have only 200-300 hour.

(3) summary of the invention

The production method that the purpose of this invention is to provide a kind of hose of hose pump makes the flexible pipe of making durable, improves work-ing life greatly.

The technical solution used in the present invention is:

A, rubber mass compounding, component and content are as table one:

Table one

The starting material title	F65N (％)	F65Z (％)	F65W (％)
				One section natural rubber	33-53	32-53	30-51
Cis-1,4-polybutadiene rubber	10-34	10-33	6-33
				Zinc oxide	1.9-5.2	1.9-5.2	1.8-4.8
Stearic acid (SA)	0.6-2.0	0.6-2.0	0.6-1.8
				N cyclohexyl 2 benzothiazole sulfenamide (accelerant CZ)	0.3-0.8	0.3-0.8	0.3-0.8
N-sec.-propyl-N '-diphenyl-para-phenylene diamine (antioxidant 4010NA)	0.6-2	0.6-2	0.6-1.8
				6-oxyethyl group-2,2,4-trimethylammonium-1,2-dihyaroquinoline (antioxidant A W)	0.6-2	0.6-2	0.6-1.8
High wear-resistant carbon black	10-26	10-26	12-26
				General carbon black	6-13	6-13	9-24
Maleimide (DL268)		0.3-2
				Sulfur	0.6-2	0.6-2	0.6-2

F65N, F65Z, F65W represent the interior glue of sebific duct, middle glue, three kinds of different sizing materials of outer glue respectively in the table, and % is a weight percentage.

B, sizing material are mixing: above-mentioned various raw materials are added respectively by the proportion requirement of three kinds of sizing materials sheet is stand-by down after the mixing pressing in the mixing roll.Stand-by with film in the rolling press extrusion.

C, extrude interior pipe, and in interior pipe, be inserted in tube core with forcing machine.

D, be wound on the sebific duct with fiber yarn plying impregnation typing back layering, each line layer winding direction is different anyway, twine two layer lines earlier after, twine two layer lines again, be wrapped with middle film between each line layer, outer film is wrapped in the outside then.The outside applies the external force pressurization to sebific duct after being wrapped with water cloth again.Be put in the vulcanizing boiler again and vulcanize.The processing of car mill is carried out to sebific duct in the sulfuration back, can pack.

Also have a kind of high temperature resistant, grease-proof sizing compound formula F-126, wherein the prescription of glue, outer glue is the same, component and content such as table two that interior glue cooperates:

Table two

The starting material title	Content (%)
		General neoprene latex	46-60
Butyronitrile-20	3-12
		Magnesium oxide	1-4
Stearic acid	1-3
		Paraffin wax	0.3-1.8
The ethylene thiocarbamide	0.3-1.2
		Dibenzothiazyl disulfide	0.3-1.2
Semi-reinforcing hydrocarbon black	12-30
		The fast carbon black that extrudes	3-12
4010NA	0.3-2.4
		Aromatic hydrocarbon oil	3-12
Zinc oxide	1.8-4.8
		Sulfur	0.3-1.2

Content in the table (%) is weight percentage.

Other processing step is the same.

Product of the present invention is owing to adopt snappiness, high abrasion sizing material to make, and body softness, high resilience have excellent abrasive.Rubber hose framework adopts the synthon of high strength, ageing-resistant, corrosion-proof wear, keeps good bond strength through special processing and sebific duct sizing material, strengthened the overall performance of body, sebific duct is in use given birth to hot low, and nerve is good, durable in use, prolonged work-ing life of sebific duct greatly.

(4) description of drawings

Accompanying drawing is technological process of production figure of the present invention;

(5) embodiment

Sizing compound formula such as table three:

Table three

The starting material title	F-65N(g)	F-65Z(g)	F-65W(g)
				One section natural rubber	50	50	50
Cis-1,4-polybutadiene rubber	50	50	50
				Zinc oxide	3	3	3
Stearic acid (SA)	2	2	2
				Accelerant CZ	0.9	0.9	0.9
Antioxidant 4010NA	2	2	2
				Antioxidant A W	2	2	2
High wear-resistant carbon black	25	25	25
				General carbon black	15	15	30
DL268		1
				Sulfur	1.5	1.5	1.5

Sizing material is mixing: every kind of sizing material carries out pressing with mill in 14 o'clock, earlier with two kinds of green stock pressings 5-7 minute, added zinc oxide, SA, CZ, 4010NA, AW pressing again 3-5 minute, add two kinds of carbon blacks and DL268 pressing 7-10 minute again, added the Sulfur pressing at last 2 minutes, through 5 0.5-1mm roll spacing thin-passes, descend sheet stand-by at last.

Go out film: carry out after heat refining 4-5 minute the F65Z sizing material down with 16 o'clock rubber mixing machines that sheet goes out middle film to tri-roll press machine, film thickness divides 0.8,1.0, several specifications of 1.5mm.The film total length is at 800-900mm.

Car is cut: according to the difference of sebific duct size specification, middle glue width is also different.As: 120,103,96,84,37,48,96,84,37,200,184,168,150,74,88,168,148,74mm.

Fiber plying: select for use 1870dtex polyamide fibre 66 industry silks to synthesize 1.2 and the 1.5mm textured yarn respectively, and twist thick line 10 sth. made by twisting/10cm, fine rule 10-15 sth. made by twisting/10cm by 3 bundles and 5 bundles.

Impregnation processing: the rubber alloy line is soaked vinyl-pyridine latex and carry out elevated temperature heat typing processing.

Lead: the big bobbins that will process four bundles lead with the lead machine that confession twines effective on the spindle that wrapping machine uses.

Pipe in extruding: extrude pipe in all size with 115 type extruding machines, its wall thickness is respectively:

The wall thickness of φ 76 is 8mm

φ64··7mm

φ60··6.5mm

φ51··7mm

φ25··5mm

φ19··4mm

Sleeve pipe: the interior effective blast that will extrude is set on the tube core of different size, measures external diameter behind the sleeve pipe and must reach following requirement:

φ 76 puts that external diameter is 92 ± 1 behind the sebific duct

φ64 78±1

φ60 73±1

φ51 65±1

φ25 35±1

φ19 27±1

Twine pipe: twine pipe and adopt 180 cotton threads that split to twine machine and with one positive one anti-cabling form line is wound on the sebific duct by the stroke of used cotton thread radical of the sebific duct of all size and requirement.

Twine water cloth: the various sebific ducts that twined line are wrapped outer film, tiltedly twine the nylon water cloth with the machine that is rolled into then, and water cloth overlap joint 3/4 twines one deck.

Sulfuration: the steam pressurized sulfuration is carried out in the sebific duct tinning that has twined cloth.Cure conditions is 143 ℃ of sulfurations 1 hour.

The fixed length blanking: according to the requirement of finished hose length, long tube is carried out blanking, its length should grow 100mm than finished product.

Turning processing: the sebific duct outside surface carries out turning processing with lathe, and turning pitch is 0.75-1.5mm.

The finished product inspection packing: the sebific duct intact to turning carries out visual inspection by the surveyor by technological standard, chooses unacceptable product, with salable product packing warehouse-in.

The prescription such as the table four of sizing material in high temperature resistant, the oil resistant:

Table four

The starting material title	Content (g)
		General neoprene latex	90
Butyronitrile-20	10
		Magnesium oxide	4
Stearic acid	2
		Paraffin wax	1
The ethylene thiocarbamide	0.5
		Dibenzothiazyl disulfide	0.5
Semi-reinforcing hydrocarbon black	30
		The fast carbon black that extrudes	10
4010NA	2
		Aromatic hydrocarbon oil	10
Zinc oxide	5
		Sulfur	0.5

The sizing compound formula of middle glue, outer glue is the same, and other processing step is the same.

Claims (2)

1, a kind of production technology of hose of hose pump is characterized in that:

The component of a, sizing material and weight percent thereof are: glue 1.: one section natural rubber 33-53, cis-1,4-polybutadiene rubber 10-34, zinc oxide 1.9-5.2, stearic acid 0.6-2.0, N cyclohexyl 2 benzothiazole sulfenamide 0.3-0.8, N-sec.-propyl-N '-diphenyl-para-phenylene diamine 0.6-2,6-oxyethyl group-2,2,4-trimethylammonium-1,2-dihyaroquinoline 0.6-2, high wear-resistant carbon black 10-26, general carbon black 6-13, Sulfur 0.6-2; 2. middle glue: one section natural rubber 32-53, cis-1,4-polybutadiene rubber 10-33, zinc oxide 1.9-5.2, stearic acid 0.6-2.0, N cyclohexyl 2 benzothiazole sulfenamide 0.3-0.8, N-sec.-propyl-N '-diphenyl-para-phenylene diamine 0.6-2,6-oxyethyl group-2,2,4-trimethylammonium-1,2-dihyaroquinoline 0.6-2, high wear-resistant carbon black 10-26, general carbon black 6-13, maleimide 0.3-2, Sulfur 0.6-2; 3. outer glue: one section natural rubber 30-51, cis-1,4-polybutadiene rubber 6-33, zinc oxide 1.8-4.8, stearic acid 0.6-1.8, N cyclohexyl 2 benzothiazole sulfenamide 0.3-0.8, N-sec.-propyl-N '-diphenyl-para-phenylene diamine 0.6-1.8,6-oxyethyl group-2,2,4-trimethylammonium-1,2-dihyaroquinoline 0.6-1.8, high wear-resistant carbon black 12-26, general carbon black 9-24, Sulfur 0.6-2;

B, sizing material are mixing: above-mentioned various raw materials are added respectively by the proportion requirement of three kinds of sizing materials sheet is stand-by down after the mixing pressing in the mixing roll; Stand-by with film in the rolling press extrusion;

C, extrude interior pipe, and in interior pipe, be inserted in tube core with forcing machine;

D, be wound on the sebific duct with fiber yarn plying impregnation typing back layering, each line layer winding direction is different anyway, twine two layer lines earlier after, twine two layer lines again, be wrapped with middle film between each line layer, outer film is wrapped in the outside then; The outside applies the external force pressurization to sebific duct after being wrapped with water cloth again; Be put in the vulcanizing boiler again and vulcanize; The processing of car mill is carried out to sebific duct in the sulfuration back, can pack.

2, a kind of production technology of high temperature resistant, oil resistant hose of hose pump is characterized in that:

The component of a, sizing material and weight percent thereof are: glue 1.: general neoprene latex 46-60, butyronitrile-20 3-12, magnesium oxide 1-4, stearic acid 1-3, paraffin wax 0.3-1.8,1,2-ethylene thiourea 0.3-1.2, dibenzothiazyl disulfide 0.3-1.2, semi-reinforcing hydrocarbon black 12-30 extrudes carbon black 3-12 soon, 4010NA 0.3-2.4, aromatic hydrocarbon oil 3-12, zinc oxide 1.8-4.8, Sulfur 0.3-1.2; 2. middle glue: one section natural rubber 32-53, cis-1,4-polybutadiene rubber 10-33, zinc oxide 1.9-5.2, stearic acid 0.6-2.0, N cyclohexyl 2 benzothiazole sulfenamide 0.3-0.8, N-sec.-propyl-N '-diphenyl-para-phenylene diamine 0.6-2,6-oxyethyl group-2,2,4-trimethylammonium-1,2-dihyaroquinoline 0.6-2, high wear-resistant carbon black 10-26, general carbon black 6-13, maleimide 0.3-2, Sulfur 0.6-2; 3. outer glue: one section natural rubber 30-51, cis-1,4-polybutadiene rubber 6-33, zinc oxide 1.8-4.8, stearic acid 0.6-1.8, N cyclohexyl 2 benzothiazole sulfenamide 0.3-0.8, N-sec.-propyl-N '-diphenyl-para-phenylene diamine 0.6-1.8,6-oxyethyl group-2,2,4-trimethylammonium-1,2-dihyaroquinoline 0.6-1.8, high wear-resistant carbon black 12-26, general carbon black 9-24, Sulfur 0.6-2;

B, sizing material are mixing: above-mentioned various raw materials are added respectively by the proportion requirement of three kinds of sizing materials sheet is stand-by down after the mixing pressing in the mixing roll; Stand-by with film in the rolling press extrusion;

C, extrude interior pipe, and in interior pipe, be inserted in tube core with forcing machine;

D, be wound on the sebific duct with fiber yarn plying impregnation typing back layering, each line layer winding direction is different anyway, twine two layer lines earlier after, twine two layer lines again, be wrapped with middle film between each line layer, outer film is wrapped in the outside then; The outside applies the external force pressurization to sebific duct after being wrapped with water cloth again; Be put in the vulcanizing boiler again and vulcanize; The processing of car mill is carried out to sebific duct in the sulfuration back, can pack.