CN113619149A - Preparation method of annular pull rod - Google Patents
Preparation method of annular pull rod Download PDFInfo
- Publication number
- CN113619149A CN113619149A CN202110896424.0A CN202110896424A CN113619149A CN 113619149 A CN113619149 A CN 113619149A CN 202110896424 A CN202110896424 A CN 202110896424A CN 113619149 A CN113619149 A CN 113619149A
- Authority
- CN
- China
- Prior art keywords
- fibers
- pull rod
- annular pull
- fiber
- die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000000835 fiber Substances 0.000 claims abstract description 54
- 229920005989 resin Polymers 0.000 claims abstract description 13
- 239000011347 resin Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 229920006231 aramid fiber Polymers 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000001723 curing Methods 0.000 abstract 1
- 238000007598 dipping method Methods 0.000 abstract 1
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/32—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention discloses a preparation method of an annular pull rod. The invention pulls the fiber through the rotary die, so that the fiber is sequentially subjected to gum dipping, gum extrusion, preforming, winding, extrusion, curing and finishing to prepare the annular pull rod. The preparation method of the annular pull rod provided by the invention has good designability, can select the required fiber and resin according to the use requirement, and has low manufacturing cost and simple operation method.
Description
Technical Field
The invention relates to a preparation method of an annular pull rod, in particular to a preparation method of a composite material annular pull rod.
Background
At present, the main material of the pull rod is a metal material, so that the strength designability is poor, the mass and the volume are large, the use space is narrow, and when the strength requirement is high, the metal often cannot meet the use requirement, and the corrosion problem exists, so that the durability is poor.
In order to solve the problems, the annular pull rod is prepared by a prepreg winding method in the prior art, but the method for preparing the pull rod has high cost, cannot randomly use resin and fiber for matching, has weak performance designability, and cannot meet various use environments.
Disclosure of Invention
The invention aims to provide a preparation method of an annular pull rod, which is simple in manufacturing method and strong in designability of performance, can change and replace resin and fiber according to the use environment of the pull rod, and is low in manufacturing cost.
A preparation method of the annular pull rod comprises the following steps:
A. applying a release agent to the mold at a location where the release agent contacts the fibers;
pressing the fiber into a glue groove through a pressure lever, and adding resin into the glue groove;
c, sequentially passing the fibers through a glue extruding rod, a yarn separating plate and a preforming plate, and then attaching the fibers to a die;
d, opening a switch of the frequency converter, rotating the die to continuously wind the fibers on the die, turning off the frequency converter after the quantity of the wound fibers meets the requirement, and taking down the die from the supporting rod;
e, extruding two linear surfaces of the wound fiber product by using a flat plate, and extruding air bubbles and redundant resin in the fiber product;
F. taking the fiber product treated in the step E down, and sending the fiber product into an oven for heating and curing;
G. and D, demolding and finishing the fiber product cured in the step F to obtain the annular pull rod.
Further, the fibers mentioned in step B may be carbon fibers, glass fibers, aramid fibers, boron fibers or a combination of these fibers.
Further, the resin in the step B is epoxy resin, unsaturated resin or phenolic resin.
Furthermore, the number of the glue extruding rods in the step C is at least 2, and the glue content and the fiber tension of the fibers can be adjusted through the distance, the height difference and the number of the glue extruding rods.
Further, the yarn separating plate in the step C can further control the fiber gel content to be 20-50%.
Further, the preformed plate in the step C is at least one piece, and the fiber is preformed into a thin sheet with the width consistent with that of the pull rod.
Further, setting the frequency of a frequency converter in the step D at 5-15 Hz, and controlling the rotating speed of the die through the frequency;
furthermore, the supporting rod in the step D is supported by five claws, so that the rotation is more stable.
Drawings
FIG. 1 is a schematic diagram of the manufacturing process of the annular pull rod of the present invention.
The device comprises a fiber 1, a pressure bar 2, a glue extrusion bar 3, a yarn splitting plate 4, a preformed plate 5, a mold 6, a glue groove 7, a support bar 8, a rotary wheel disc 9, a motor 10 and a frequency converter 11.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A preparation method of the annular pull rod comprises the following steps:
a, coating a release agent in the mold 6;
b, pressing the fiber 1 into a glue groove 7 through 2 pressure rods 2, and adding epoxy resin, unsaturated resin or phenolic resin into the glue groove 7;
c, sequentially passing the fiber 1 through a glue extruding rod 3, a yarn separating plate 4 and a pre-forming plate 5, and then attaching the fiber to a die 6;
d, opening a switch of the frequency converter 11, rotating the die 6 to wind the fiber 1 on the die 6, turning off the frequency converter 11 after the fiber winding amount meets the requirement, and taking down the die from the five-claw support rod 8;
e, extruding two linear surfaces of the wound fiber product by using a flat plate, and extruding air bubbles and redundant resin in the flat plate;
f, conveying the fiber product treated in the step E into an oven to be heated and cured at 150 ℃;
G. and D, demolding and finishing the fiber product solidified in the step F to obtain the pull rod.
The fiber 1 mentioned in the step B above is carbon fiber, glass fiber, aramid fiber, boron fiber or a combination of these fibers.
The fiber glue content of the yarn separating plate 4 in the step C is controlled to be 20% -50%. The fiber 1 is preformed into a thin sheet with the width consistent with that of the pull rod by a preformed plate 5;
setting the frequency of the frequency converter 11 in the step D at 5-15 Hz, and controlling the rotating speed of the die 6 to be 5-15r/min through the frequency;
the pull rod prepared by the steps is simple in method and high in performance designability, the limit breaking force can reach more than 10 tons, no sliding exists, the risk that the linear pull rod is used for a long time and the carbon rod possibly slides out of the hardware fitting is avoided, the manufacturing cost is low according to the use environment of the pull rod, and compared with the prior art, the cost is reduced by more than 60% because the hardware fitting is not needed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The preparation method of the annular pull rod is characterized by comprising the following steps of:
A. applying a release agent to the mold at a location where the release agent contacts the fibers;
pressing the fiber into a glue groove through a pressure lever, and adding resin into the glue groove;
c, sequentially passing the fibers through a glue extruding rod, a yarn separating plate and a preforming plate, and then attaching the fibers to a die;
d, opening a switch of the frequency converter, continuously winding the fibers on the die by rotating the die, turning off the frequency converter after the amount of the wound fibers meets the requirement, and taking down the die from the supporting rod;
e, extruding two linear surfaces of the wound fiber product by using a flat plate, and extruding air bubbles and redundant resin in the fiber product;
F. taking the fiber product treated in the step E down, and sending the fiber product into an oven for heating and curing;
G. and D, demolding and finishing the fiber product cured in the step F to obtain the annular pull rod.
2. The method for preparing the annular pull rod according to claim 1, wherein the resin in the step B is epoxy resin, unsaturated resin or phenolic resin.
3. The method for preparing the annular pull rod according to claim 1, wherein the fibers in the step B are carbon fibers, glass fibers, aramid fibers, boron fibers or a combination of the carbon fibers, the glass fibers, the aramid fibers and the boron fibers.
4. The method for preparing the annular pull rod according to claim 1, wherein the number of the glue extruding rods in the step C is at least 2, and the glue content and the tension of the fibers are adjusted by adjusting the distance, the height difference and the number of the glue extruding rods.
5. The method for manufacturing the annular pull rod according to claim 1, wherein the fiber gel content of the yarn separating plate in the step C is further controlled to be 20-50%.
6. The method for manufacturing an annular tension rod according to claim 1, wherein the preformed plate is at least one piece, and the fibers are preformed into a thin sheet with a width consistent with that of the tension rod in the step C.
7. The method for preparing the annular pull rod according to claim 1, wherein in the step D, the rotation speed of the rotary die can be adjusted through a frequency converter, a supportable hole is formed in the middle of the rotary die, the rotary die can be easily taken down from a support rod, a rotary wheel disc is arranged at the bottom of the support rod and is connected to a motor through a belt, the motor controls the rotation speed through the frequency converter, and the frequency of the frequency converter is set to be 5-15 Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110896424.0A CN113619149A (en) | 2021-08-05 | 2021-08-05 | Preparation method of annular pull rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110896424.0A CN113619149A (en) | 2021-08-05 | 2021-08-05 | Preparation method of annular pull rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113619149A true CN113619149A (en) | 2021-11-09 |
Family
ID=78382903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110896424.0A Pending CN113619149A (en) | 2021-08-05 | 2021-08-05 | Preparation method of annular pull rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113619149A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1465501A (en) * | 2002-07-04 | 2004-01-07 | 北京玻璃钢研究设计院 | Composite fiber tension winding rod and preparation method thereof |
| CN1562618A (en) * | 2004-04-08 | 2005-01-12 | 程逸建 | Pultrude, enwinding, rotating tecnique for forming threaded bolt from composite material with transverse fiber thread, and equipment |
| CN102049865A (en) * | 2010-11-12 | 2011-05-11 | 天津工业大学 | Multi-tow fiber preimpregnation laying device |
| CN103753830A (en) * | 2014-01-24 | 2014-04-30 | 四川省新万兴碳纤维复合材料有限公司 | Forming process for annular carbon fiber composite material pull rod |
| CN108202486A (en) * | 2018-03-13 | 2018-06-26 | 远东电缆有限公司 | A kind of composite core production line and its production technology |
| CN108372667A (en) * | 2018-03-16 | 2018-08-07 | 泰安市中研复合材料科技有限公司 | A kind of fibre reinforced composites twine molded technique and device |
| CN110126308A (en) * | 2019-05-24 | 2019-08-16 | 增城华昌塑料五金模具有限公司 | A method of drawing twines synchronous manufacture fiber composite arrow shaft |
-
2021
- 2021-08-05 CN CN202110896424.0A patent/CN113619149A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1465501A (en) * | 2002-07-04 | 2004-01-07 | 北京玻璃钢研究设计院 | Composite fiber tension winding rod and preparation method thereof |
| CN1562618A (en) * | 2004-04-08 | 2005-01-12 | 程逸建 | Pultrude, enwinding, rotating tecnique for forming threaded bolt from composite material with transverse fiber thread, and equipment |
| CN102049865A (en) * | 2010-11-12 | 2011-05-11 | 天津工业大学 | Multi-tow fiber preimpregnation laying device |
| CN103753830A (en) * | 2014-01-24 | 2014-04-30 | 四川省新万兴碳纤维复合材料有限公司 | Forming process for annular carbon fiber composite material pull rod |
| CN108202486A (en) * | 2018-03-13 | 2018-06-26 | 远东电缆有限公司 | A kind of composite core production line and its production technology |
| CN108372667A (en) * | 2018-03-16 | 2018-08-07 | 泰安市中研复合材料科技有限公司 | A kind of fibre reinforced composites twine molded technique and device |
| CN110126308A (en) * | 2019-05-24 | 2019-08-16 | 增城华昌塑料五金模具有限公司 | A method of drawing twines synchronous manufacture fiber composite arrow shaft |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211109 |