CN209839379U - Rubber-plastic composite high-pressure-resistant air gun tube - Google Patents
Rubber-plastic composite high-pressure-resistant air gun tube Download PDFInfo
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- CN209839379U CN209839379U CN201920421317.0U CN201920421317U CN209839379U CN 209839379 U CN209839379 U CN 209839379U CN 201920421317 U CN201920421317 U CN 201920421317U CN 209839379 U CN209839379 U CN 209839379U
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Abstract
The utility model discloses a compound high pressure resistant wind big gun pipe of rubber and plastic, including the body, the body wall is inner liner, intermediate layer and skin from inside to outside in proper order, all is equipped with the fiber reinforcement body between intermediate layer and inner liner, the skin, the fiber reinforcement body is the fiber reinforcement net, and the fiber reinforcement net is woven by warp and two-way winding weft and is formed, and warp splices in handing-over department respectively with weft, weft and weft. The utility model discloses an inner liner, intermediate layer and skin all adopt rubber and plastic combined material to extrude composite forming, and inner liner, intermediate layer and the outer combination of body are inseparable, and the warp and weft, weft and the weft of fibre reinforcement net self to and fibre reinforcement net all combine firmly with each glue film. The pipe body is strong in integrity and not easy to separate between layers and between fibers and adhesive layers. The pneumatic tool is mainly used for pneumatic tools such as air cannons and the like, and has high compressive strength and long service life. When the pipe body is pressed, the fiber reinforced net can form strong resultant force and can effectively transmit and disperse local tension, and the pipe body is not easy to bubble and burst.
Description
Technical Field
The utility model belongs to the technical field of the pipe for the wind big gun, specifically relate to a compound high pressure resistant wind big gun pipe of rubber and plastic that compressive strength is high.
Background
The air gun as a pneumatic tool generates power by means of compressed air and transmits the power through the air gun tube, the working pressure of the air gun can reach 8-10 kilograms per square centimeter, and the air gun has high requirement on the compression strength of the air gun tube. The existing common wind gun tube is generally provided with an inner rubber layer, an outer cross layer and a middle framework layer. The compressive strength of the rubber tube mainly depends on the material and the structure of the framework layer, and the rubber tube is generally divided into a full rubber tube, a cloth-sandwiched rubber tube, a woven rubber tube, a surrounding rubber tube and the like according to the data and the structure of the framework layer. The inner rubber layer, the outer cross layer and the middle framework layer of the rubber tube are not tightly combined, the integrity is poor, and after the rubber tube is used for a period of time, the rubber layers are easy to be partially separated; particularly, the warp and weft fibers of the framework layer of the fiber-reinforced wind cannon pipe are not firmly bonded with the adhesive layer and the fibers, and the fibers are jointed without crosslinking, so that the problem of fiber delamination is easy to occur, the resultant force of the fiber net cannot be fully exerted after the pipe body is pressed, the compressive strength is low, and the service life is short.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a compound high pressure resistant wind big gun pipe of rubber and plastic that compressive strength is high.
In order to solve the technical problem, the utility model discloses a body, the pipe body wall from inside to outside be inner liner, intermediate layer and skin in proper order, all is equipped with the fiber reinforcement between intermediate layer and inner liner, the skin, and its structural feature is the fiber reinforcement is netted, the fiber reinforcement is woven by warp and two-way winding weft and is formed, and warp splices in handing-over department respectively with weft, weft and weft.
The fiber reinforcement warp and weft threads comprise yarn threads and coating glue coated on the yarn threads, the yarn threads are plied yarns, the coating glue is coated on the periphery of the yarn threads, and the warp threads are in glue connection with the weft threads and the weft threads are in glue connection with the cross-over positions.
The fiber reinforcement body is closely connected with the inner liner, the interlayer and the outer layer in an adhesive mode, and the interlayer is connected with the inner liner and the outer layer through meshes of the fiber reinforcement body.
The yarn body of the yarn body is formed by stranding 2-3 strands of 20 polyester yarns, and the coating adopts paste resin.
The fiber reinforcement is synchronously woven by adopting a winding and weaving machine during the extrusion molding of the tube body, the fiber reinforcement is woven outside the tube body after the extrusion molding of the tube body, and resin glue is brushed and coated on the yarn body during the winding and weaving of the yarn body.
After adopting the structure, because the utility model discloses all be equipped with the fiber reinforcement between the intermediate layer of body and inner liner, the skin, the fiber reinforcement is the fiber reinforcement net, and it is woven by warp and two-way winding weft and forms, and warp splices in handing-over department respectively with weft, weft and weft. The inner liner, the interlayer and the outer layer are all extruded and compounded by adopting rubber and plastic composite materials, and the fiber reinforced net is formed by synchronously weaving warps and wefts during pipe body forming. The warp and the weft are respectively glued at the joint. The inner liner, the interlayer and the outer layer of the tube body are tightly combined, the warp and weft threads, the weft and the weft threads of the fiber reinforced mesh are firmly combined, the tube body is strong in integrity, separation between layers and between the fiber and the adhesive layers is not easy to occur, the compressive strength is high, and the service life is long. When the pipe body is punched, the fiber reinforced net can form strong resultant force and can effectively transmit and disperse local tension, and the pipe body is not easy to bubble and burst.
Drawings
The invention is further described with reference to the following figures and examples:
FIG. 1 is a general schematic view of the present invention;
FIG. 2 is a longitudinal sectional view of the tube body of the present invention;
FIG. 3 is a schematic view of the fiber reinforcement of the present invention in a partially enlarged view;
fig. 4 is a schematic cross-sectional view of the fiber reinforced body of the present invention.
In the figure: 1. the composite material comprises an inner lining layer, 2, an interlayer, 3, an outer layer, 4, a fiber reinforcement, 41, warp threads, 42, weft threads, 5, thread bodies, 51, yarn bodies, 52, covering glue, 6, meshes, 7 and fiber net intersection points.
Detailed Description
Referring to fig. 1 to 4, a pipe body of the rubber-plastic composite high-pressure resistant air cannon pipe is a three-rubber two-wire rubber-plastic composite reinforced hose, a pipe body wall sequentially comprises an inner liner layer 1, an interlayer 2 and an outer layer 3 from inside to outside, and fiber reinforcement bodies 4 are arranged between the interlayer 2 and the inner liner layer 1 and between the interlayer 3 and the inner liner layer 3. The fiber reinforcement 4 is a cylindrical fiber reinforcement net, which is woven by a plurality of warps 41 in accordance with the length direction of the pipe body and wefts 42 wound in two directions, and the wefts 42 comprise positive and negative two-way threads wound on the pipe body in a spiral manner. The warp and weft threads are respectively connected with the cross joint point 7 through an adhesive, the warp and weft threads of the fiber reinforced mesh are connected with the pipe wall adhesive layer, and the interlayer 2 is connected with the inner lining layer 1 and the outer layer 3 through the meshes 6 of the fiber reinforced body 4.
Referring to fig. 3 and 4, the thread 5 of the warp and weft of the fiber reinforcement 4 comprises a yarn body 51 and a coating adhesive 52 coated on the yarn body, wherein the yarn body 51 is a folded yarn formed by folding and twisting 2-3 strands of 20 polyester filaments, and the coating adhesive 52 is a resin adhesive. When the fiber reinforcement 4 is wound and woven, the yarn body 51 is coated with the coating glue 52, so that the coating glue 52 coats the periphery of the yarn body. After the fiber reinforcement 4 is wound and woven outside the inner lining layer 1 and the interlayer 2 to form a net, the warp and weft threads are bonded together at the joint points through the coating glue 52. After the pipe body is compounded, the coating glue 52 and the pipe body glue layer are cured synchronously. The fiber reinforced net has strong integrity, tight combination with the pipe body and high compressive strength. The cross joint of the fiber reinforced mesh is glued and has certain elasticity, so that when the pipe body is pressed, the pressure is buffered and conducted, and the pipe body is protected.
The inner liner layer 1, the interlayer 2 and the outer layer 3 of the pipe body are respectively extruded by a plastic extruder in sequence, the fiber reinforcement 4 is woven while extruding, and all parts of the pipe body are thermally compounded into a whole during extruding. The raw material composition of the inner liner can be prepared according to different customers and different use environments, and the master batch used for each layer of the pipe body is realized by the following embodiment.
Example 1
The lining layer comprises the following raw materials: 100 kg of high polymerization degree (2500) polyvinyl chloride resin, 45 kg of nitrile rubber powder, 21 kg of Chlorinated Polyethylene (CPE), 60 kg of dioctyl phthalate (DOP), 12 kg of PVC cold-resistant agent, 11 kg of calcium carbonate powder, 1 kg of paraffin particles, 1.5 kg of stearic acid, 1.2 kg of methyl tin heat stabilizer and 1 kg of PVC pigment.
The interlayer raw material composition is as follows: 100 kg of high polymerization degree (2500) polyvinyl chloride resin, 45 kg of nitrile rubber powder, 21 kg of Chlorinated Polyethylene (CPE), 30 kg of dioctyl phthalate (DOP), 33 kg of plasticizer (DPHP), 11 kg of PVC cold resistant agent, 1 kg of cadmium stearate, 1.5 kg of paraffin particles, 1.2 kg of stearic acid, 1.5 kg of methyl tin heat stabilizer and 1 kg of PVC pigment.
The outer layer comprises the following raw materials: 100 kg of high polymerization degree (2500) polyvinyl chloride resin, 45 kg of nitrile rubber powder, 31 kg of dioctyl phthalate (DOP), 30 kg of plasticizer (DPHP), 12 kg of cold-resistant agent, 1.2 kg of paraffin particles, 1 kg of stearic acid, 1.5 kg of methyl tin heat stabilizer and 1 kg of pigment.
The inner liner, the interlayer and the outer layer pipe body are mixed according to the raw material proportion and respectively granulated by a granulator, wherein the granulating temperature of the inner liner and the interlayer is 130 ℃, and the granulating temperature of the outer layer is 152 ℃. The inner liner, the interlayer and the outer layer are extruded and molded by adopting different master batches in an extruder; meanwhile, the winding and knitting machine synchronously weaves the reinforcing net outside the lining pipe body and the interlayer pipe body, and PVC paste resin glue is brushed on the yarn body 51 of the reinforcing net when winding and knitting the wires.
Example 2
The lining layer comprises the following raw materials: 110 kg of high polymerization degree (2500) polyvinyl chloride resin, 42 kg of nitrile rubber powder, 20 kg of Chlorinated Polyethylene (CPE), 65 kg of dioctyl phthalate (DOP), 11 kg of PVC cold-resistant agent, 10 kg of calcium carbonate powder, 1.5 kg of paraffin particles, 1.2 kg of stearic acid, 1 kg of methyl tin heat stabilizer and 0.5 kg of PVC pigment.
The interlayer raw material composition is as follows: 110 kg of high polymerization degree (2500) polyvinyl chloride resin, 42 kg of nitrile rubber powder, 20 kg of Chlorinated Polyethylene (CPE), 33 kg of dioctyl phthalate (DOP), 31 kg of plasticizer (DPHP), 10 kg of PVC cold resistant agent, 1.5 kg of cadmium stearate, 1.2 kg of paraffin particles, 1 kg of stearic acid, 1 kg of methyl tin heat stabilizer and 0.5 kg of PVC pigment.
The outer layer comprises the following raw materials: 110 kg of high polymerization degree (2500) polyvinyl chloride resin, 42 kg of nitrile rubber powder, 30 kg of dioctyl phthalate (DOP), 33 kg of plasticizer (DPHP), 11 kg of cold-resistant agent, 1 kg of paraffin particles, 1.5 kg of stearic acid, 1 kg of methyl tin heat stabilizer and 0.5 kg of pigment.
After the inner liner, the interlayer and the outer layer pipe body are mixed according to the raw material proportion, respectively granulating by a granulator, wherein the granulating temperature of the inner liner and the interlayer is 132 ℃, and the granulating temperature of the outer layer is 151 ℃.
Example 3
The lining layer comprises the following raw materials: 105 kg of high polymerization degree (2500) polyvinyl chloride resin, 40 kg of nitrile rubber powder, 22 kg of Chlorinated Polyethylene (CPE), 62 kg of dioctyl phthalate (DOP), 10 kg of PVC cold-resistant agent, 12 kg of calcium carbonate powder, 1.2 kg of paraffin particles, 1 kg of stearic acid, 1.5 kg of methyl tin heat stabilizer and 0.8 kg of PVC pigment.
The interlayer raw material composition is as follows: 105 kg of high polymerization degree (2500) polyvinyl chloride resin, 40 kg of nitrile rubber powder, 22 kg of Chlorinated Polyethylene (CPE), 31 kg of dioctyl phthalate (DOP), 30 kg of plasticizer (DPHP), 12 kg of PVC cold resistant agent, 1.2 kg of cadmium stearate, 1 kg of paraffin particles, 1.5 kg of stearic acid, 1.2 kg of methyl tin heat stabilizer and 0.8 kg of PVC pigment.
The outer layer comprises the following raw materials: 105 kg of high-polymerization degree (2500) polyvinyl chloride resin, 40 kg of nitrile rubber powder, 33 kg of dioctyl phthalate (DOP), 31 kg of plasticizer (DPHP), 10 kg of cold-resistant agent, 1.5 kg of paraffin particles, 1.2 kg of stearic acid, 1.3 kg of methyl tin heat stabilizer and 0.8 kg of pigment.
After the inner liner, the interlayer and the outer layer pipe body are mixed according to the raw material proportion, respectively granulating by a granulator, wherein the granulating temperature of the inner liner and the interlayer is 131 ℃, and the granulating temperature of the outer layer is 150 ℃. The inner liner, the interlayer and the outer pipe body are in different proportions and granulated at different temperatures, and the weather resistance and the impact resistance of the extruded pipe body are improved.
Claims (5)
1. The utility model provides a compound high pressure resistant wind big gun pipe of rubber and plastic, includes the body, and the body wall is inner liner (1), intermediate layer (2) and outer (3) from inside to outside in proper order, all is equipped with fiber reinforcement (4) between intermediate layer (2) and inner liner (1), outer (3), characterized by fiber reinforcement (4) are the fiber reinforcement net, the fiber reinforcement net is woven by warp (41) and two-way winding weft (42) and is formed, and warp splices in handing-over department respectively with weft, weft and weft.
2. The rubber-plastic composite high-pressure-resistant blast pipe according to claim 1, wherein the fiber reinforcement (4) comprises a yarn body (51) and a coating rubber (52) coated on the yarn body, the yarn body (51) is a plied yarn, the coating rubber (52) is coated around the yarn body (51), and the warp and the weft are connected by the rubber at the junctions.
3. The rubber-plastic composite high-pressure-resistant blast pipe according to claim 2, wherein the fiber reinforcement (4) is tightly bonded with the inner liner (1), the interlayer (2) and the outer layer (3), and the interlayer (2) is connected with the inner liner (1) and the outer layer (3) through the meshes (6) of the fiber reinforcement (4).
4. The rubber-plastic composite high-pressure-resistant blast pipe according to claim 2, wherein said yarn body (51) of said yarn body (51) is formed by stranding 2 to 3 strands of 20 polyester yarns, and said coating (52) is made of a paste resin.
5. The rubber-plastic composite high pressure resistant air cannon barrel of claim 4, wherein the fiber reinforcement (4) is synchronously woven during extrusion of the barrel by a winding machine, the fiber reinforcement (4) is woven outside the barrel after extrusion, and the yarn body (51) is coated with a resin paste during winding of the wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920421317.0U CN209839379U (en) | 2019-03-30 | 2019-03-30 | Rubber-plastic composite high-pressure-resistant air gun tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920421317.0U CN209839379U (en) | 2019-03-30 | 2019-03-30 | Rubber-plastic composite high-pressure-resistant air gun tube |
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| Publication Number | Publication Date |
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| CN209839379U true CN209839379U (en) | 2019-12-24 |
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| CN201920421317.0U Active CN209839379U (en) | 2019-03-30 | 2019-03-30 | Rubber-plastic composite high-pressure-resistant air gun tube |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005881A (en) * | 2019-03-30 | 2019-07-12 | 潍坊现代塑胶有限公司 | Rubber and plastic composite pressure resistance impact gun pipe |
| CN111578004A (en) * | 2020-04-10 | 2020-08-25 | 中裕软管科技股份有限公司 | Fiber-reinforced heat-insulation composite hose and manufacturing method thereof |
-
2019
- 2019-03-30 CN CN201920421317.0U patent/CN209839379U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005881A (en) * | 2019-03-30 | 2019-07-12 | 潍坊现代塑胶有限公司 | Rubber and plastic composite pressure resistance impact gun pipe |
| CN111578004A (en) * | 2020-04-10 | 2020-08-25 | 中裕软管科技股份有限公司 | Fiber-reinforced heat-insulation composite hose and manufacturing method thereof |
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