CN108081678A - Fork truck woven tube and its manufacturing method - Google Patents
Fork truck woven tube and its manufacturing method Download PDFInfo
- Publication number
- CN108081678A CN108081678A CN201810003750.2A CN201810003750A CN108081678A CN 108081678 A CN108081678 A CN 108081678A CN 201810003750 A CN201810003750 A CN 201810003750A CN 108081678 A CN108081678 A CN 108081678A
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- parts
- rubber
- fork truck
- woven tube
- layer
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Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 229920001971 elastomer Polymers 0.000 claims abstract description 56
- 239000005060 rubber Substances 0.000 claims abstract description 56
- 239000003292 glue Substances 0.000 claims abstract description 29
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 20
- 238000005728 strengthening Methods 0.000 claims abstract description 17
- 238000009954 braiding Methods 0.000 claims abstract description 16
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 11
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 55
- 230000003712 anti-aging effect Effects 0.000 claims description 39
- 239000011265 semifinished product Substances 0.000 claims description 27
- 238000002156 mixing Methods 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000004033 plastic Substances 0.000 claims description 11
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 10
- 125000003118 aryl group Chemical group 0.000 claims description 10
- 239000006229 carbon black Substances 0.000 claims description 10
- 235000019241 carbon black Nutrition 0.000 claims description 10
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical group CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 10
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical group [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 6
- ZZMVLMVFYMGSMY-UHFFFAOYSA-N 4-n-(4-methylpentan-2-yl)-1-n-phenylbenzene-1,4-diamine Chemical group C1=CC(NC(C)CC(C)C)=CC=C1NC1=CC=CC=C1 ZZMVLMVFYMGSMY-UHFFFAOYSA-N 0.000 claims description 5
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical group O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 5
- 239000004014 plasticizer Substances 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000032683 aging Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/02—Layer formed of wires, e.g. mesh
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/14—Layered products comprising a layer of natural or synthetic rubber comprising synthetic rubber copolymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
- F16L11/085—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more braided layers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/06—Protection of pipes or objects of similar shape against external or internal damage or wear against wear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/552—Fatigue strength
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Reinforced Plastic Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of fork truck woven tube and its manufacturing method, fork truck woven tube includes inner glue layer, braiding strengthening part and outer glue-line successively from inside to outside, and the braiding strengthening part includes at least one layer of wire sheathing from inside to outside；Wherein, the inner glue layer is made of the first blended rubber, and at least containing nitrile rubber and butadiene-styrene rubber in the component of the first blended rubber, the outer glue-line is made of the second blended rubber, and at least contains nitrile rubber, butadiene-styrene rubber and butadiene rubber in second blended rubber.Invention increases its intensity, and the performance with good anti-friction and endurance aging, greatly improve its service life.
Description
Technical field
The present invention relates to a kind of fork truck woven tube and its manufacturing methods.
Background technology
At present, fork truck woven tube is due to its application environment, the particularity of use condition, and sebific duct is axially held during use
By certain pretension, common wire braid hydraulic pipe steel wire layer structure under pretension effect deforms, by leading
The physical mechanicals effect such as bending, friction frequently occurs during wheel again, initial failure takes place frequently.
The content of the invention
The technical problems to be solved by the invention are the defects of overcoming the prior art, provide a kind of fork truck woven tube, it
Its intensity, and the performance with good anti-friction and endurance aging are added, has greatly improved its service life.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of fork truck woven tube, it from inside to outside according to
It is secondary including inner glue layer, braiding strengthening part and outer glue-line, the braiding strengthening part includes at least one layer of metal and compiles from inside to outside
Tissue layer；Wherein, the inner glue layer is made of the first blended rubber, and at least contains the fine rubber of fourth in the component of the first blended rubber
Glue and butadiene-styrene rubber, the outer glue-line are made of the second blended rubber, and at least fine containing fourth in second blended rubber
Rubber, butadiene-styrene rubber and butadiene rubber.
Further, the braiding strengthening part includes one or two layers wire sheathing.
A kind of concrete composition of first blended rubber is further provided, component that first blended rubber contains and each
Constituent mass part is as follows：
Nitrile rubber：60-90 parts；
Butadiene-styrene rubber：10-40 parts；
N550 carbon blacks：40-60 parts；
Calcined kaolin：30-50 parts；
Aromatic naphtha：8-16 parts；
Zinc oxide：3-5 parts；
Stearic acid：2-3 parts；
Anti-aging agent：1-2 parts；
Sulphur：1-2 parts；
Accelerating agent：1-2 parts.
The anti-aging agent is antioxidant 4020.
A kind of concrete composition of second blended rubber is further provided, component that second blended rubber contains and each
Constituent mass part is as follows：
Nitrile rubber：30-70 parts；
Butadiene-styrene rubber：30-70 parts；
Butadiene rubber：10-20 parts；
N330 carbon blacks：60-90 parts；
White carbon：30-50 parts；
Silane coupling agent：3-5 parts；
Zinc oxide：3-5 parts；
Stearic acid：1-2 parts；
Wear resistant resin：5-7 parts；
Combine anti-aging agent：3-5 parts；
Protection wax：3-5 parts；
Aromatic naphtha：8-15 parts；
Plasticizer：5-9 parts；
Sulphur：2-3 parts；
Accelerating agent：1-2 parts.
Further, the combination anti-aging agent includes anti-aging agent RD and anti-aging agent 3100；Wherein, anti-aging agent RD：2~3 parts；It is anti-
Old agent 3100：1~2 part.
Further, the accelerating agent is accelerator NS.
The present invention also provides a kind of manufacturing method of fork truck woven tube, the step of method, is as follows：
(a) the component batch mixing of the first blended rubber and the component batch mixing of the second blended rubber are prepared respectively, and it is soft to provide one
Core；
(b) the component batch mixing of the first blended rubber is utilized in soft wicking surface extrusion inner glue layer using extruder；
(c) according to the wire number of share of stock of manufacture requirement, screw pitch requirement and metal wire knitted angle, compile in the inner glue layer successively
Wire is knitted, forms each layer wire sheathing, so as to obtain the first semi-finished product；
(d) using extruder using the second blended rubber component batch mixing outside the outer surface extrusion of the first semi-finished product glue
Layer forms the second semi-finished product；
(e) squeeze out one layer of plastic layer again in the outer surface of the second semi-finished product, and ensure plastic layer by entire second semi-finished product
It wraps, forms the 3rd semi-finished product；
(f) to the 3rd semi-finished product vulcanizing treatment；
(g) plastic layer on the 3rd semi-finished product outer surface after vulcanizing treatment is removed；
(h) soft core is finally blown out, obtains required fork truck woven tube.
Further, in step (b), each regional temperature of extruder is arranged to：Head temperature is 95-105 DEG C, screw rod temperature
It spends and for 100-105 DEG C, expects the temperature of chamber for 90-105 DEG C, extruded velocity：The fork truck of 8mm is 160-220ft/min with woven tube；
The fork truck of 16mm is 80-100ft/min with woven tube；And/or in step (d), each regional temperature of extruder is arranged to：Head
Temperature is 70-75 DEG C, and extruder temperature is 70-75 DEG C, and the temperature for expecting chamber is 60-75 DEG C, extruded velocity：The fork truck braiding of 8mm
It manages as 55-65ft/min；The fork truck of 16mm is 45-55ft/min with woven tube.
Do not occur significantly to change in pressure-bearing use further for holding tubular form, in step (c), wire
54.7 DEG C of angle of weave α ＜；Wherein, the metal wire knitted angle is between the trend and the axial direction of the first semi-finished product of wire
Angle.
After employing above-mentioned technical proposal, the present invention has following advantageous effect：
1st, wire sheathing of the invention is between inner glue layer and outer glue-line, using braided steel wire structure, steel wire surface
There can be copper plate to react through vulcanizing with the chemical constituent in inner glue layer and outer glue-line, provide between good metal and rubber
Adhesive force improves its intensity.
2nd, inner glue layer of the invention and form of formulations and the specific expressing technique of outer glue-line, make product anti-friction and
Fatigue performance is excellent.
Description of the drawings
Fig. 1 is the structure diagram of the first structure of the fork truck woven tube of the present invention；
Fig. 2 is the structure diagram of second of structure of the fork truck woven tube of the present invention；
Fig. 3 is the structure diagram of the wire sheathing of the present invention.
Specific embodiment
In order that the present invention can be more clearly and readily understood, it is right below according to specific embodiment and with reference to attached drawing
The present invention is described in further detail.
Embodiment one
A kind of fork truck woven tube, it includes inner glue layer 1, braiding strengthening part and outer glue-line 3 successively from inside to outside, described
Weave strengthening part includes at least one layer of wire sheathing 2 from inside to outside；Wherein, the inner glue layer 1 is by the first blended rubber system
Into, and at least containing nitrile rubber and butadiene-styrene rubber in the component of the first blended rubber, the outer glue-line 3 is by the second blending rubber
Glue is made, and at least contains nitrile rubber, butadiene-styrene rubber and butadiene rubber in second blended rubber.
As shown in Figure 1, the braiding strengthening part includes one layer of wire sheathing 2.
The component and each component mass parts that first blended rubber contains are as follows：
Nitrile rubber：60 parts；
Butadiene-styrene rubber：10 parts；
N550 carbon blacks：40 parts；
Calcined kaolin：30 parts；
Aromatic naphtha：8 parts；
Zinc oxide：3 parts；
Stearic acid：2 parts；
Anti-aging agent：1 part；
Sulphur：1 part；
Accelerating agent：1 part.
The anti-aging agent is antioxidant 4020.
The component and each component mass parts that second blended rubber contains are as follows：
Nitrile rubber：30 parts；
Butadiene-styrene rubber：30 parts；
Butadiene rubber：10 parts；
N330 carbon blacks：60 parts；
White carbon：30 parts；
Silane coupling agent：3 parts；
Zinc oxide：3 parts；
Stearic acid：1 part；
Wear resistant resin：5 parts；
Combine anti-aging agent：3 parts；
Protection wax：3 parts；
Aromatic naphtha：8 parts；
Plasticizer：5 parts；
Sulphur：2 parts；
Accelerating agent：1 part.
The combination anti-aging agent includes anti-aging agent RD and anti-aging agent 3100；Wherein, anti-aging agent RD：2 parts；Anti-aging agent 3100：1
Part.
The accelerating agent is accelerator NS.
A kind of the step of manufacturing method of fork truck woven tube, method, is as follows：
(a) the component batch mixing of the first blended rubber and the component batch mixing of the second blended rubber are prepared respectively, and it is soft to provide one
Core；
(b) the component batch mixing of the first blended rubber is utilized in soft wicking surface extrusion inner glue layer 1 using extruder；Interior glue squeezes out
After need through park 8 it is small when can just carry out subsequent operation；
(c) according to the wire number of share of stock of manufacture requirement, screw pitch requirement and metal wire knitted angle, successively on inner glue layer 1
Braided metal silk forms each layer wire sheathing 2, so as to obtain the first semi-finished product；
(d) using extruder using the second blended rubber component batch mixing outside the outer surface extrusion of the first semi-finished product glue
Layer forms the second semi-finished product；
(e) squeeze out one layer of plastic layer again in the outer surface of the second semi-finished product, and ensure plastic layer by entire second semi-finished product
It wraps, forms the 3rd semi-finished product；Plastic layer can be made of polypropylene material, and the thickness of plastic layer is 2.23-2.43mm.
(f) to the 3rd semi-finished product vulcanizing treatment；Vulcanizing treatment by the way of sulfidization molding of saturated vapor, steam by saturation
Steam pressure 3.0-3.1MPa, 151.7 DEG C of curing temperature, vulcanization time 45min；
(g) plastic layer on the 3rd semi-finished product outer surface after vulcanizing treatment is removed；This step is completed using stripping molding machine；Modeling
The extruded velocity of the bed of material is consistent with the extruded velocity of outer glue-line 3, is 2-3 times of common bandage curingprocess rate.
(h) soft core is finally blown out, obtains required fork truck woven tube；After blowing out soft core, 2 times of hydrostatic work may be employed
Make pressure test its No leakage.
In step (b), each regional temperature of extruder is arranged to：Head temperature is 95-105 DEG C, and extruder temperature is
100-105 DEG C, the temperature for expecting chamber is 90-105 DEG C, extruded velocity：The fork truck of 8mm is 160-220ft/min with woven tube；16mm
Fork truck with woven tube be 80-100ft/min, specifically, the material chamber of the extruder in step (b) is divided into 1st areas of Liao Qiang, material chamber 2
3rd area of area and Liao Qiang, 1 area's temperature of Liao Qiang are 90-100 DEG C, and 2 area's temperature of Liao Qiang is 95-105 DEG C, and 3 area's temperature of Liao Qiang is 95-105
℃；In step (d), each regional temperature of extruder is arranged to：Head temperature is 70-75 DEG C, and extruder temperature is 70-75 DEG C, material
The temperature of chamber is 60-75 DEG C, extruded velocity：The fork truck of 8mm is 55-65ft/min with woven tube；The fork truck woven tube of 16mm
For 45-55ft/min, specifically, the material chamber of the extruder in step (d) is also classified into 3rd area of 1st areas of Liao Qiang, 2nd areas of Liao Qiang and Liao Qiang, material
1 area's temperature of chamber is 60-70 DEG C, and 2 area's temperature of Liao Qiang is 65-70 DEG C, and 3 area's temperature of Liao Qiang is 70-75 DEG C.
In step (c), 54.7 DEG C of metal wire knitted angle [alpha] ＜；Wherein, the metal wire knitted angle is wire
Angle between trend and the axial direction of the first semi-finished product；Metal wire knitted angle, which uses, is less than 54.7 ° of the angle of equilibrium, after tube body pressure-bearing
The trend of contraction is had, the pretension born when in use in itself with tube body cancels each other, and tubular form is kept not occur substantially
Change.
Embodiment two
A kind of fork truck woven tube, it includes inner glue layer 1, braiding strengthening part and outer glue-line 3 successively from inside to outside, described
Weave strengthening part includes at least one layer of wire sheathing 2 from inside to outside；Wherein, the inner glue layer 1 is by the first blended rubber system
Into, and at least containing nitrile rubber and butadiene-styrene rubber in the component of the first blended rubber, the outer glue-line 3 is by the second blending rubber
Glue is made, and at least contains nitrile rubber, butadiene-styrene rubber and butadiene rubber in second blended rubber.
As shown in Fig. 2, the braiding strengthening part includes double layer of metal braiding layer 2.
The component and each component mass parts that first blended rubber contains are as follows：
Nitrile rubber：90 parts；
Butadiene-styrene rubber：40 parts；
N550 carbon blacks：60 parts；
Calcined kaolin：50 parts；
Aromatic naphtha：16 parts；
Zinc oxide：5 parts；
Stearic acid：3 parts；
Anti-aging agent：2 parts；
Sulphur：2 parts；
Accelerating agent：2 parts.
The anti-aging agent is antioxidant 4020.
The component and each component mass parts that second blended rubber contains are as follows：
Nitrile rubber：70 parts；
Butadiene-styrene rubber：70 parts；
Butadiene rubber：20 parts；
N330 carbon blacks：90 parts；
White carbon：50 parts；
Silane coupling agent：5 parts；
Zinc oxide：5 parts；
Stearic acid：2 parts；
Wear resistant resin：7 parts；
Combine anti-aging agent：5 parts；
Protection wax：5 parts；
Aromatic naphtha：15 parts；
Plasticizer：9 parts；
Sulphur：3 parts；
Accelerating agent：2 parts.
The combination anti-aging agent includes anti-aging agent RD and anti-aging agent 3100；Wherein, anti-aging agent RD：3 parts；Anti-aging agent 3100：2
Part.
The accelerating agent is accelerator NS.
The manufacturing method of the fork truck woven tube of the present embodiment is identical with embodiment one.
Embodiment three
A kind of fork truck woven tube, it includes inner glue layer 1, braiding strengthening part and outer glue-line 3 successively from inside to outside, described
Weave strengthening part includes at least one layer of wire sheathing 2 from inside to outside；Wherein, the inner glue layer 1 is by the first blended rubber system
Into, and at least containing nitrile rubber and butadiene-styrene rubber in the component of the first blended rubber, the outer glue-line 3 is by the second blending rubber
Glue is made, and at least contains nitrile rubber, butadiene-styrene rubber and butadiene rubber in second blended rubber.
As shown in Figure 1, the braiding strengthening part includes one layer of wire sheathing 2.
The component and each component mass parts that first blended rubber contains are as follows：
Nitrile rubber：75 parts；
Butadiene-styrene rubber：25 parts；
N550 carbon blacks：50 parts；
Calcined kaolin：40 parts；
Aromatic naphtha：12 parts；
Zinc oxide：4 parts；
Stearic acid：2 parts；
Anti-aging agent：1 part；
Sulphur：2 parts；
Accelerating agent：1 part.
The anti-aging agent is antioxidant 4020.
The component and each component mass parts that second blended rubber contains are as follows：
Nitrile rubber：50 parts；
Butadiene-styrene rubber：50 parts；
Butadiene rubber：15 parts；
N330 carbon blacks：75 parts；
White carbon：40 parts；
Silane coupling agent：4 parts；
Zinc oxide：4 parts；
Stearic acid：2 parts；
Wear resistant resin：6 parts；
Combine anti-aging agent：4 parts；
Protection wax：4 parts；
Aromatic naphtha：12 parts；
Plasticizer：7 parts；
Sulphur：2 parts；
Accelerating agent：1 part.
The combination anti-aging agent includes anti-aging agent RD and anti-aging agent 3100；Wherein, anti-aging agent RD：2 parts；Anti-aging agent 3100：2
Part.
The accelerating agent is accelerator NS.
The manufacturing method of the fork truck woven tube of the present embodiment is identical with embodiment one.
The inner glue layer of fork truck woven tube and the Fundamental Physical Properties such as table one of outer glue-line prepared by three above embodiment,
The performance of production tube such as table two；
Table one
Table two
It is found by table one and table two, fork truck prepared by three above embodiment is met the requirements with woven tube.
Particular embodiments described above, pair present invention solves the technical problem that, technical solution and advantageous effect carry out
It is further described, it should be understood that the above is only a specific embodiment of the present invention, is not limited to this
Invention, within the spirit and principles of the invention, any modification, equivalent substitution, improvement and etc. done should be included in this hair
Within bright protection domain.
Claims (10)
1. a kind of fork truck woven tube, which is characterized in that it from inside to outside successively include inner glue layer (1), braiding strengthening part and
Outer glue-line (3), the braiding strengthening part include at least one layer of wire sheathing (2) from inside to outside；Wherein, the inner glue layer
(1) it is made of the first blended rubber, and at least containing nitrile rubber and butadiene-styrene rubber in the component of the first blended rubber, it is described
Outer glue-line (3) is made of the second blended rubber, and in second blended rubber at least containing nitrile rubber, butadiene-styrene rubber and
Butadiene rubber.
2. fork truck woven tube according to claim 1, it is characterised in that：The braiding strengthening part includes one layer or two
Layer wire sheathing (2).
3. fork truck woven tube according to claim 1, it is characterised in that：Component that first blended rubber contains and
Each component mass parts are as follows：
Nitrile rubber：60-90 parts；
Butadiene-styrene rubber：10-40 parts；
N550 carbon blacks：40-60 parts；
Calcined kaolin：30-50 parts；
Aromatic naphtha：8-16 parts；
Zinc oxide：3-5 parts；
Stearic acid：2-3 parts；
Anti-aging agent：1-2 parts；
Sulphur：1-2 parts；
Accelerating agent：1-2 parts.
4. fork truck woven tube according to claim 3, it is characterised in that：The anti-aging agent is antioxidant 4020.
5. fork truck woven tube according to claim 1, it is characterised in that：Component that second blended rubber contains and
Each component mass parts are as follows：
Nitrile rubber：30-70 parts；
Butadiene-styrene rubber：30-70 parts；
Butadiene rubber：10-20 parts；
N330 carbon blacks：60-90 parts；
White carbon：30-50 parts；
Silane coupling agent：3-5 parts；
Zinc oxide：3-5 parts；
Stearic acid：1-2 parts；
Wear resistant resin：5-7 parts；
Combine anti-aging agent：3-5 parts；
Protection wax：3-5 parts；
Aromatic naphtha：8-15 parts；
Plasticizer：5-9 parts；
Sulphur：2-3 parts；
Accelerating agent：1-2 parts.
6. fork truck woven tube according to claim 5, it is characterised in that：It is described combination anti-aging agent include anti-aging agent RD and
Anti-aging agent 3100；Wherein, anti-aging agent RD：2~3 parts；Anti-aging agent 3100：1~2 part.
7. the fork truck woven tube according to claim 3 or 5, it is characterised in that：The accelerating agent is accelerator NS.
8. it is a kind of in claim 1 to 7 it is any it is lower as described in fork truck woven tube manufacturing method, it is characterised in that method
Step is as follows：
(a) the component batch mixing of the first blended rubber and the component batch mixing of the second blended rubber are prepared respectively, and a soft core is provided；
(b) the component batch mixing of the first blended rubber is utilized in soft wicking surface extrusion inner glue layer (1) using extruder；
(c) according to the wire number of share of stock of manufacture requirement, screw pitch requirement and metal wire knitted angle, compiled successively on inner glue layer (1)
Wire is knitted, each layer wire sheathing (2) is formed, so as to obtain the first semi-finished product；
(d) the component batch mixing of the second blended rubber is utilized in the outer surface extrusion outer glue-line (3) of the first semi-finished product using extruder,
Form the second semi-finished product；
(e) squeeze out one layer of plastic layer again in the outer surface of the second semi-finished product, and ensure that plastic layer wraps up entire second semi-finished product
Firmly, the 3rd semi-finished product are formed；
(f) to the 3rd semi-finished product vulcanizing treatment；
(g) plastic layer on the 3rd semi-finished product outer surface after vulcanizing treatment is removed；
(h) soft core is finally blown out, obtains required fork truck woven tube.
9. manufacturing method according to claim 8, it is characterised in that：In step (b), each regional temperature of extruder is set
It is set to：Head temperature is 95-105 DEG C, and extruder temperature is 100-105 DEG C, and the temperature for expecting chamber is 90-105 DEG C, extruded velocity：8mm
Fork truck with woven tube be 160-220ft/min；The fork truck of 16mm is 80-100ft/min with woven tube；And/or in step (d)
In, each regional temperature of extruder is arranged to：Head temperature is 70-75 DEG C, and extruder temperature is 70-75 DEG C, and the temperature for expecting chamber is 60-
75 DEG C, extruded velocity：The fork truck of 8mm is 55-65ft/min with woven tube；The fork truck of 16mm is 45-55ft/min with woven tube.
10. manufacturing method according to claim 8, it is characterised in that：In step (c), metal wire knitted angle [alpha] ＜
54.7℃；Wherein, angle of the metal wire knitted angle between the trend and the axial direction of the first semi-finished product of wire.
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| CN201810003750.2A CN108081678B (en) | 2018-01-03 | 2018-01-03 | Braided tube for forklift and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810003750.2A CN108081678B (en) | 2018-01-03 | 2018-01-03 | Braided tube for forklift and manufacturing method thereof |
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| CN108081678B (en) | 2020-04-14 |
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