CN101564898B - Glass fiber reinforced plastic tubular product pultrusion glue-injection device and glue-injection unit - Google Patents
Glass fiber reinforced plastic tubular product pultrusion glue-injection device and glue-injection unit Download PDFInfo
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- CN101564898B CN101564898B CN2009100691456A CN200910069145A CN101564898B CN 101564898 B CN101564898 B CN 101564898B CN 2009100691456 A CN2009100691456 A CN 2009100691456A CN 200910069145 A CN200910069145 A CN 200910069145A CN 101564898 B CN101564898 B CN 101564898B
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Abstract
A glass fiber reinforced plastic tubular product pultrusion glue-injection device and a glue-injection unit relate to a device that dips glue solution in pultrusion equipment and leads glass yarn and felt to be compounded and thermoset so as to form continuous sectional materials, wherein a glue solution supply unit and the glue-injection unit are connected through a glue solution conveying pipe in a manner of being capable of injecting the glue solution to the glue-injection unit which is configured in a manner of being capable of connecting with a pultrusion mold. The proposal can realize the work of dipping the glass yarn and felt by injecting the glue solution in a closed mold device and effectively avoid the free volatilization of the glue solution and ensure the stability of viscosity of the glue solution in the whole pultrusion process. The proposal can control the glue solution supply, and the glue-injection mold has strong adaptability and is easier for industrial promotion.
Description
Technical field
The invention belongs to the pultrusion apparatus field of composite, relate to a kind of equipment that makes the compound thermosetting of organdy and felt become continuous section bar, the especially glue filling device of dragging and squeezing glass fiber reinforced plastics tubing.
Background technology
Known fiberglass forming machine using drawing and extrusion is emitted organdy and felt on creel and felt frame respectively by haulage gear freely, make organdy and felt through glue on the glue drill traverse after; Again through the yarn plate on the pultrusion machine frame, felt cover, give shaping mould after, get into mould; Mould is heated cover and encircles; Heating, the organdy felt that soaked glue passes through this dies cavity curing molding, and being compressed to draw by haulage gear becomes continuous section bar tubing.
Disclose a kind of system that makes pultruded component like one Chinese patent application 200680043251, it comprises the dipping mouth mould that is used for the wetting fiber yarn of fluoropolymer resin precursor.A dipping mouthful mould comprises first Room of coated yarns outer surface and second Room of coated yarns internal fiber.The sectional area of second Room reduces between the second Room mouth and the outlet of second Room.This system also comprises the member that is used to make yarn before getting into first Room, to separate, so that the outer surface that the fluoropolymer resin precursor can winding yarns flows.
And for example one Chinese patent application 200510041290.5 discloses a kind of pultrusion method of thermoplastic composite; Use fortifying fibre and matrix fiber to make raw material, comprise the steps: A. with matrix fiber and fortifying fibre by 95～20: 5～80 weight ratio is positioned on the creel; B. by the desired proportion of fibers of final section bar fortifying fibre and matrix fiber are sent into preheating chamber through twizzle, guide plate and carry out preheating; C. will send into preforming mould through the composite fibre bundle of preheating, make the entrance shape of fibre bundle shape near shaping mould; D. preformed composite fibre is sent into shaping mould.Can certainly preforming mould and shaping mould be united two into one, on a mould, be divided into preformed section and profiled section; E. the section bar that comes out from shaping mould promptly makes finished product behind cooling and shaping.This invention is intended to overcome the difficulty of heavy polymer dipping, improves the dipping effect of thermoplastic composite, and the mechanical property of thermoplastic composite is significantly improved.
In existing pultrusion equipment, usually organdy and felt glue on open glue drill traverse, because of the effumability of glue causes the not enough environmental protection of working environment, and the stability of glue viscosity also is difficult to assurance in the pultrusion process, directly affects product quality; Industry demands effectively controlling the technology appearance of glue volatilization urgently, to realize environmental protection production.
Summary of the invention
Problem to be solved by this invention is to overcome the above-mentioned defective that aforementioned techniques exists, and a kind of frp pipe pultrusion glue filling device and glue injection units thereof are provided.
Primary and foremost purpose of the present invention provides a kind of frp pipe pultrusion glue filling device with glue injection units and configuration supply glue unit;
Another purpose of the present invention provides a kind of glue injection units, to accomplish the work of flooding organdy and felt through the injection glue in the mould that is implemented in sealing.
Frp pipe pultrusion glue filling device technical solution problem of the present invention takes following technical scheme to realize; According to a kind of frp pipe pultrusion glue filling device provided by the invention; Comprise supply glue unit; Wherein, said supply glue unit and glue injection units through the glue transfer pipeline being connected to the mode that glue injection units is injected glue; This glue injection units is disposing with the pultrusion die ways of connecting.
Frp pipe pultrusion glue filling device technical solution problem of the present invention can also take following technical scheme further to realize:
Aforesaid frp pipe pultrusion glue filling device, wherein, the glue transfer pipeline has first and carries branch road, and this first conveying branch road is connected with the interior mode of injecting glue of the injecting glue axle center hole of mandrel Cheng Kexiang mandrel; The glue transfer pipeline has second and carries branch road, and this second conveying branch road is connected with a glue hole for injecting glue; The glue transfer pipeline has the 3rd and carries branch road, and the 3rd carries branch road to be connected with another glue hole for injecting glue.
Aforesaid frp pipe pultrusion glue filling device, wherein, the negative pressure cavity position of glue injection units is provided with glue position Detection portion unit.
Aforesaid frp pipe pultrusion glue filling device, wherein, supply glue unit has can provide the storage of glue glue jar group; This storage glue jar group becomes parallel way configuration by two or more storage glue jars, and each inlet end that stores up the glue jar disposes the valve of break-make loop air-flow respectively, and each glue output that stores up the glue jar disposes the valve of break-make glue respectively.
Aforesaid frp pipe pultrusion glue filling device, wherein, said storage glue tank storage glue jar top is set to the glue chamber, and the bottom is a compressed air cell, and the control valve of control compressed air require is set on the storage glue jar; The pneumatic element that is connected with air pump, this pneumatic element are connected in series the pressure regulator valve of adjustment circuit pressure, the one-way throttle valve of adjustment loop throughput successively, and this one-way throttle valve is connected in series with storage glue jar group.
Aforesaid frp pipe pultrusion glue filling device, wherein, each adhesive pouring nozzle elements on either side is provided with setting element respectively; This mandrel through hole docks with the moulding hole of pultrusion die, and this mandrel through hole becomes type hole diameter to equate with pultrusion die.
Glue injection units technical solution problem of the present invention takes following technical scheme to realize; According to a kind of glue injection units that is used for aforementioned arbitrary frp pipe pultrusion glue filling device provided by the invention; But the mandrel that comprises injecting glue mould and the hollow entering pultrusion of glass-guiding steel moulding material mould, wherein, said injecting glue mould is provided with and holds the mandrel through hole that mandrel passes; Along this mandrel through hole injecting cavity is set, between the adjacent injecting cavity negative pressure cavity is set.
Glue injection units technical solution problem of the present invention can also take following technical scheme further to realize:
Aforesaid glue injection units, wherein, said injecting cavity has the injecting cavity reaming of diameter greater than the mandrel through hole, forms between this injecting cavity reaming and the mandrel to hold the gap of glue around mandrel.
Aforesaid glue injection units, wherein, said negative pressure cavity has the negative pressure cavity reaming of diameter greater than the mandrel through hole, forms the gap of satisfying preset negative pressure value between this negative pressure cavity reaming and the mandrel.
Aforesaid glue injection units, wherein, said injecting cavity setting can be around the filled glue hole for injecting glue of mandrel; The mode that this glue hole for injecting glue Cheng Keyu glue output mouth of pipe is connected disposes; Described mandrel has the injecting glue axle center hole that can hold the glue input, at the mandrel predeterminated position radially hole for injecting glue is set.
The present invention compared with prior art has significant advantage and beneficial effect.
Can know that by above technical scheme the present invention has following advantage at least under the structure configuration of excellence:
The supply glue unit that this case frp pipe pultrusion glue filling device is provided with can be controlled the glue supply, promptly can realize a storage glue jar supply glue, can realize that also two storage glue jars supply glue simultaneously; Satisfy when producing different size tubing, glue injection units is convenient to regulate and control to the demand of glue and the demands of different of glue injection rate;
The injecting glue mould reasonable disposition that this case glue injection units is provided with injecting cavity construct with negative pressure cavity; Thereby can be implemented in the work of passing through to inject glue completion dipping organdy and felt in the die device of sealing; The problem of not only effectively having avoided glue to volatilize wantonly also can effectively guarantee the stability of glue viscosity in whole pultrusion process; Two kinds of embodiments of adaptive integrated mould of this case and mould type piece, the industry that is easier to is promoted;
The configuration of this case mandrel and injecting cavity can guarantee effectively that the inwall of pultrusion hollw article, outer wall impregnation are even; The reasonable structure of this case injecting glue mould can make the better effects if of soaking into of dipping organdy and felt, and loss is few;
The present invention is simple in structure, and is cheap for manufacturing cost, and the industry that is easy to is reproduced, and technical contribution is remarkable, has realized aforesaid each item goal of the invention fully.
The specific embodiment of the present invention is provided by following examples and accompanying drawing thereof in detail.
Description of drawings
Fig. 1 is a pultrusion glue filling device overall structure sketch map of the present invention;
Fig. 2 is a glue injection units structural representation of the present invention;
Fig. 3 is the another embodiment structural representation of glue injection units structure of the present invention;
Fig. 4 is a pultrusion glue filling device pneumatic structure sketch map of the present invention.
The specific embodiment
Below in conjunction with preferred embodiment, to according to the specific embodiment provided by the invention, characteristic and effect thereof, specify as after; For simple and purpose clearly, the omission that hereinafter is appropriate the description of known technology, in order to avoid those unnecessary details influences are to the description of present technique scheme.
Shown in Fig. 1-4; A kind of frp pipe pultrusion glue filling device and glue injection units thereof; This glue filling device comprises supply glue unit 1, wherein, supply glue unit 1 and glue injection units 2 through glue transfer pipeline 6 being connected to the mode that glue injection units is injected preset pressure; This glue injection units 2 is fixedly connected through flange 24 with pultrusion die 3, and glue injection units 2 coexists one with pultrusion die 3 and draws on the axis;
Glue injection units 2 have can with the injecting glue mould 21 of pultrusion die 3 corresponding connections, this injecting glue mould is provided with and holds the mandrel through hole 210 that mandrel 26 passes, this mandrel through hole docks with the moulding hole 30 of pultrusion die, this mandrel through hole becomes type hole diameter to equate with pultrusion die; The mandrel of this mandrel through hole gets into stomidium 2101 and has preset length a, and the mandrel of this mandrel through hole stretches out stomidium 2102 and has preset length b; This mandrel is responsible for glass-guiding steel moulding material (like organdy and felt) and is got into pultrusion mould 3;
Along coaxial successively first injecting cavity 211, negative pressure cavity 213 and second injecting cavity 212 of being provided with of the mandrel through hole of injecting glue mould;
Equal preset length at interval between first injecting cavity 211 and the negative pressure cavity 213, between negative pressure cavity 213 and second injecting cavity 212; Form first mesozone 2103, second mesozone 2104 of mandrel through hole; This structure can effectively carry out " squeezing ", " holding " to organdy and felt, to guarantee the impregnation quality of organdy and felt; Also can avoid mandrel when passing first injecting cavity, negative pressure cavity, second injecting cavity, to produce amount of deflection.
Said first injecting cavity 211 has the first injecting cavity reaming 2110 of diameter greater than the mandrel through hole; The gap that forms between this first injecting cavity reaming and the mandrel has constituted the appearance glue around the full chamber of the glue of mandrel; Form prepsetting gap between said first injecting cavity reaming and the mandrel; This gap d is slightly larger than or equals the pipe thickness of pultrusion pipe profile, the more favourable glue that soaks into;
This first injecting cavity reaming, one end forms the first preceding tapered hole 2111 in the middle of mandrel gets into stomidium 2101, this first injecting cavity reaming other end forms the first back tapered holes 2112 in the middle of first mesozone 2103; Tapered hole can be so that organdy and felt touch the full chamber portion of glue gradually in advancing before being somebody's turn to do, and back tapered hole can be gone out the full chamber portion of glue by pultrusion, preface under getting into gradually so that fill the organdy and the felt of glue;
Said second injecting cavity 212 is identical with first injecting cavity, 211 structures; Have the second injecting cavity reaming 2120 of diameter greater than the mandrel through hole; The gap that forms between this second injecting cavity reaming and the mandrel has constituted the appearance glue around the full chamber of the glue of mandrel; This second injecting cavity reaming, one end forms the second preceding tapered hole 2121 in the middle of second mesozone 2104, this second injecting cavity reaming other end forms the second back tapered holes 2122 in the middle of mandrel stretches out stomidium 2102; This second injecting cavity is responsible for to the mandrel that wraps organdy and felt injecting glue once more, so that the glue of injection soaks into the yarn felt more fully; Also form prepsetting gap between said second injecting cavity reaming and the mandrel;
Said negative pressure cavity 213 has the negative pressure cavity reaming 2130 of diameter greater than the mandrel through hole; This negative pressure cavity reaming one end forms the 3rd preceding tapered hole 2131 in the middle of first mesozone 2103, this negative pressure cavity reaming other end forms the 3rd back tapered holes 2132 in the middle of second mesozone 2104; The effect of negative pressure cavity is to strengthen the effect that yarn and felt soak into through the negative pressure that applies preset value; The same prepsetting gap that forms between this negative pressure cavity reaming and the mandrel;
Injecting glue mould 21 can be integrated; Shown in figure
; This set is simple structure both; Can effectively prevent the glue leakage again, be fit to the production of calibration tube section bar in batches;
Injecting glue mould 21 also can be that promptly the first mould type piece 21-1, the second mould type piece 21-2, the 3rd mould type piece 21-3, the 4th mould type piece 21-4, the 5th mould type piece 21-5, the 6th mould type piece 21-6, the 7th mould type piece 21-7's different dies type piece are assembled into one by cover body 214; Referring to shown in Figure 3; Wherein
The second mould type piece 21-2, the 6th mould type piece 21-6 form the aforesaid first injecting cavity reaming 2110 and the second injecting cavity reaming 2120 respectively;
The 4th mould type piece 21-4 forms negative pressure cavity reaming 2130;
The first mould type piece 21-1 forms aforesaid mandrel and gets into stomidium 2101, the seven mould type piece 21-7 and form aforesaid mandrel and stretch out stomidium 2102;
The 3rd mould type piece 21-3 forms the aforesaid first back tapered hole 2112 and first mesozone 2103 and the 3rd preceding tapered hole 2131;
The 5th mould type piece 21-5 forms aforementioned the 3rd back tapered hole 2132 and second mesozone 2104 and the second preceding tapered hole 2121;
Have seal construction between each mould type piece, prevent the glue leakage, as shown in Figure 3;
Design can be adjusted the preset length of first injecting cavity 211, negative pressure cavity 213, second injecting cavity 212 through changing second, four, six mould type pieces thus, and is simple and easy to do;
Assembly through different mould type pieces can form the different dies die cavity; Satisfy the needs of pultrusion different size section bar; This set compatibility is strong; Can be different according to the specification of pultrusion product, adjust the radial dimension and the axial dimension of injecting cavity easily, manufacturing cost and the cycle that can effectively practice thrift mould;
First injecting cavity of glue injection units, the second injecting cavity position are provided with the first glue hole for injecting glue 201, the second glue hole for injecting glue 202 that can fill around mandrel respectively; The first adhesive pouring nozzle element 20a, the second adhesive pouring nozzle element 20b dispose with the mode that glue hole for injecting glue and the glue output mouth of pipe is connected;
During industry is implemented; The quantity of glue hole for injecting glue and arrange and to change according to the different of the difference in pultrusion product cross section and resin adhesive liquid; Wrapping the glass fiber yarn of drawing from last preface, the hollw article of felt will pass through in the middle of injection molding along mandrel, glue will inject in the radial and axial direction of mandrel, and is even with the effect that guarantees pultrusion hollw article inwall impregnation; Thereby glass fiber yarn, felt pass each injecting cavity and get into the pultrusion die moulding under the mandrel guiding;
The negative pressure cavity position of glue injection units is provided with glue position Detection portion unit 4; This test section unit can be by existing technology; As realizing detecting through magnetic induction principle with the float that magnetic material is installed; And the indicator lamp demonstration is set, also can be connected, thereby the scalable function of glue is injected in realization with controlling organization.
Described mandrel 26 has the injecting glue axle center hole (not shown) of connecting with the glue transfer pipeline; At the mandrel predeterminated position radially hole for injecting glue (not shown) is set; The setting of this injecting glue axle center hole and radial hole combines with the glue injection cavities of injecting glue mould coupling; Can realize section bar inner and outer wall injecting glue simultaneously, guarantee the injecting glue quality.
Referring to accompanying drawing 3 are situations of the installation and measuring portion unit 4 in the negative pressure cavity position of glue injection units;
Setting element 271,272,273,274 is used to distinguish at a distance from the location first adhesive pouring nozzle element 20a, test section unit 4 and the second adhesive pouring nozzle element 20b; 25 is end cap component, fixedly each functor on the injecting cavity;
Supply glue unit 1 has the pneumatic element that is connected with air pump; Like commercially available pneumatic triple piece 11; This pneumatic element is connected in series the pressure regulator valve 12 of adjustment circuit pressure, the one-way throttle valve 13 of adjustment loop throughput successively; This one-way throttle valve is connected in series with storage glue jar group 15, and this storage glue jar group can provide the glue with pressure; This storage glue jar group is made up of the first storage glue jar 151 and the second storage glue jar 152; This first storage glue jar becomes the parallel way configuration with the second storage glue jar; The inlet end of the first storage glue jar and the second storage glue jar disposes the valve 1511,1521 of break-make loop air-flow respectively; The glue output of the first storage glue jar and the second storage glue jar disposes the valve 1512,1522 of break-make glue respectively; The simple structure control of glue supply of being more convenient for thus promptly can be a storage glue jar supply glue, also can be that two storage glue jars are supplied glue simultaneously;
Said storage glue jar group includes but not limited to the parallel way configuration of two storage glue jars, can also be a plurality of storage glue jar parallel connections, satisfies different needs; The said first storage glue jar is identical with the second storage glue jar structure, is example with the first storage glue jar, and the first storage glue jar top is set to glue chamber 151a, and the bottom is compressed air cell 151b, and the compressed-air actuated common pressure of injection is≤0.8Mpa; The control valve (not shown) of control compressed air require is set on the first storage glue jar, and the specification of reason tubing and pultrusion speed different have demands of different to the demand and the glue injection rate of glue, and control valve is used to regulate injecting glue speed and injecting glue amount;
Glue transfer pipeline 6 has first and carries branch road 61, and the 26 one-tenth modes that can in the injecting glue axle center hole of mandrel, inject glue of this first conveying branch road and mandrel are connected, to realize section bar inwall injecting glue;
The glue transfer pipeline has second and carries branch road 62, and this second conveying branch road is connected with the first glue hole for injecting glue 201 through the first adhesive pouring nozzle element 20a, realizes the task to the first injecting cavity injecting glue, to realize section bar outer wall injecting glue.
The glue transfer pipeline has the 3rd and carries branch road 63, the three to carry branch roads to be connected with the second glue hole for injecting glue 202 through the second adhesive pouring nozzle element 20b, and realization is to the task of the second injecting cavity injecting glue, with realization to section bar outer wall injecting glue once more.
Employing this case design, the glass reinforced plastic pipe section bar that is suitable for producing includes but not limited to pipe, square tube, can also be other special section tubular product, the die cavity of injecting glue mould and mandrel outer rim treat that the pipe profile of pultrusion is complementary and can realizes with complying with.
After the preferred embodiment that specifies, be familiar with this technological personage and can clearly understand, do not break away from following claim with spiritual under can carry out various variations and modification, and the present invention also is not subject to the embodiment of the embodiment that lifts in the specification.
Claims (11)
1. frp pipe pultrusion glue filling device comprises supply glue unit, it is characterized in that, said supply glue unit (1) and glue injection units (2) through glue transfer pipeline (6) being connected to the mode that glue injection units is injected glue; This glue injection units is disposing with pultrusion die (3) ways of connecting; Said glue injection units; Comprise injecting glue mould (21) but and the mandrel of the hollow entering pultrusion of glass-guiding steel moulding material mould; Wherein, Said injecting glue mould is provided with and holds the mandrel through hole (210) that mandrel (26) passes, and along this mandrel through hole injecting cavity (211,212) is set, and negative pressure cavity (213) is set between the adjacent injecting cavity; Said injecting cavity (211,212) has the injecting cavity reaming (2110,2120) of diameter greater than the mandrel through hole, forms between this injecting cavity reaming and the mandrel to hold the gap of glue around mandrel.
2. frp pipe pultrusion glue filling device as claimed in claim 1 is characterized in that, said negative pressure cavity (213) has the negative pressure cavity reaming (2130) of diameter greater than the mandrel through hole, forms the gap of satisfying preset negative pressure value between this negative pressure cavity reaming and the mandrel.
3. frp pipe pultrusion glue filling device as claimed in claim 2 is characterized in that, said injecting cavity (211,212) setting can be around the filled glue hole for injecting glue (201,202) of mandrel; The mode that this glue hole for injecting glue Cheng Keyu glue output mouth of pipe is connected disposes; Described mandrel (26) has the injecting glue axle center hole that can hold the glue input, at the mandrel predeterminated position radially hole for injecting glue is set.
4. like the described frp pipe pultrusion of one of claim 1-3 glue filling device; It is characterized in that; Glue transfer pipeline (6) has first and carries branch road (61), and this first conveying branch road is connected with the interior mode of injecting glue of the injecting glue axle center hole of mandrel (26) Cheng Kexiang mandrel; The glue transfer pipeline has second and carries branch road (62), and this second conveying branch road is connected with a glue hole for injecting glue (201); The glue transfer pipeline has the 3rd and carries branch road (63), and the 3rd carries branch road to be connected with another glue hole for injecting glue (202).
5. frp pipe pultrusion glue filling device as claimed in claim 4 is characterized in that, the negative pressure cavity position of glue injection units is provided with glue position Detection portion unit (4).
6. frp pipe pultrusion glue filling device as claimed in claim 5 is characterized in that, supply glue unit (1) has can provide the storage of glue glue jar group (15); This storage glue jar group becomes the parallel way configuration by two or more storage glue jars; Each inlet end that stores up the glue jar disposes the valve (1511,1521) of break-make loop air-flow respectively, and each glue output that stores up the glue jar disposes the valve (1512,1522) of break-make glue respectively.
7. frp pipe pultrusion glue filling device as claimed in claim 6 is characterized in that, said storage glue tank storage glue jar top is set to glue chamber (151a), and the bottom is compressed air cell (151 b), and the control valve of control compressed air require is set on the storage glue jar; The pneumatic element that is connected with air pump (11), this pneumatic element are connected in series the pressure regulator valve (12) of adjustment circuit pressure, the one-way throttle valve (13) of adjustment loop throughput successively, and this one-way throttle valve is connected in series with storage glue jar group (15).
8. frp pipe pultrusion glue filling device as claimed in claim 7 is characterized in that, each adhesive pouring nozzle elements on either side is provided with setting element (271,272,273,274) respectively; This mandrel through hole docks with the moulding hole (30) of pultrusion die, and this mandrel through hole becomes type hole diameter to equate with pultrusion die.
9. glue injection units that is used for aforementioned arbitrary frp pipe pultrusion glue filling device; Comprise injecting glue mould (21) but and the mandrel of the hollow entering pultrusion of glass-guiding steel moulding material mould; Wherein, Said injecting glue mould is provided with and holds the mandrel through hole (210) that mandrel (26) passes, and along this mandrel through hole injecting cavity (211,212) is set, and negative pressure cavity (213) is set between the adjacent injecting cavity; Said injecting cavity (211,212) has the injecting cavity reaming (2110,2120) of diameter greater than the mandrel through hole, forms between this injecting cavity reaming and the mandrel to hold the gap of glue around mandrel.
10. like claim 9 or 10 described glue injection units, it is characterized in that said negative pressure cavity (213) has the negative pressure cavity reaming (2130) of diameter greater than the mandrel through hole, form the gap of satisfying preset negative pressure value between this negative pressure cavity reaming and the mandrel.
11. glue injection units as claimed in claim 10 is characterized in that, said injecting cavity (211,212) setting can be around the filled glue hole for injecting glue (201,202) of mandrel; The mode that this glue hole for injecting glue Cheng Keyu glue output mouth of pipe is connected disposes; Described mandrel (26) has the injecting glue axle center hole that can hold the glue input, at the mandrel predeterminated position radially hole for injecting glue is set.
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| CN2009100691456A CN101564898B (en) | 2009-06-05 | 2009-06-05 | Glass fiber reinforced plastic tubular product pultrusion glue-injection device and glue-injection unit |
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| CN2009100691456A CN101564898B (en) | 2009-06-05 | 2009-06-05 | Glass fiber reinforced plastic tubular product pultrusion glue-injection device and glue-injection unit |
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| CN101564898B true CN101564898B (en) | 2012-11-28 |
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| CN102700154B (en) * | 2012-05-22 | 2014-03-05 | 广东电网公司电力科学研究院 | Annular glue repairing device for fiber reinforcement resin matrix composite core rod |
| CN103935047A (en) * | 2014-05-07 | 2014-07-23 | 南通万达摩擦材料有限公司 | Spiral extrusion impregnation technology for automobile friction sheet |
| CN110126309B (en) * | 2019-06-21 | 2021-10-08 | 南京聚发新材料有限公司 | Pultrusion device and pultrusion process for fiber reinforced composite material |
| CN113442471B (en) * | 2021-06-03 | 2022-08-02 | 公元管道(安徽)有限公司 | Online continuous injection moulding equipment of power cable pipe |
| CN116373352B (en) * | 2023-04-24 | 2023-10-13 | 常州市新创智能科技有限公司 | Deformation correction method and device for composite material pultrusion part |
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