CN102909869A - Glue injection unit and glue injection mold for pultrusion glue injection device of glass reinforced plastic tube - Google Patents
Glue injection unit and glue injection mold for pultrusion glue injection device of glass reinforced plastic tube Download PDFInfo
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- CN102909869A CN102909869A CN2012103807723A CN201210380772A CN102909869A CN 102909869 A CN102909869 A CN 102909869A CN 2012103807723 A CN2012103807723 A CN 2012103807723A CN 201210380772 A CN201210380772 A CN 201210380772A CN 102909869 A CN102909869 A CN 102909869A
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Abstract
The invention discloses a glue injection mold and a glue injection unit for a pultrusion glue injection device of a glass reinforced plastic tube, is a divisional application of the original application of 200910069146.0 Glue Injection Unit and Glue Injection Mold for Pultrusion Glue Injection Device of Glass Reinforced Plastic Tube, and relates to a glue solution impregnation device in pultrusion equipment for compounding and hot-setting glass yarns and felts into a continuous section. The glue injection unit comprises the glue injection mold and a mandrel that can guide a glass reinforced plastic molding material to hollowly enter a pultrusion mold, wherein a mandrel through hole allowing the mandrel to pass through is formed in the glue injection mold; injection cavities are arranged along the mandrel through hole; and a negative pressure cavity is arranged between each two adjacent injection cavities. The glue injection mold adopted by the glue injection unit reasonably configures structures of the injection cavities and the negative pressure cavity, so that the glass yarn and felt impregnation work can be accomplished by injecting a glue solution in a closed mold device, the problem that the glue solution is volatilized freely is solved effectively, and the stability of the glue solution viscosity in the whole pultrusion process is ensured effectively. The integral forming mold and mold blocks more facilitate industry popularization.
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, in particular for glue injection units and the mould thereof of the glue filling device of dragging and squeezing glass fiber reinforced plastics tubing.This case is dividing an application of original application " glue injection units and the gel-injection moulds of 200910069146.0 frp pipe pultrusion glue filling devices ".
Background technology
Known Fiberglass-reinforced Plastics Pultrusion Technology And Its Products machine, by haulage gear organdy and felt are emitted on creel and felt frame respectively freely, after making organdy and felt through glue on the glue drill traverse, again by the yarn plate on the pultrusion machine frame, felt cover, give shaping mould after, enter mould, mould is heated cover and encircles, heating was soaked the organdy felt of glue by 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 such as Chinese patent application 200680043251, it comprises for the dipping mouth mould with the wetting fiber yarn of fluoropolymer resin precursor.A dipping mouthful mould comprises the first Room of coated yarns outer surface and the second Room of coated yarns internal fiber.The sectional area of the second Room reduces between the second Room mouth and the outlet of the second Room.This system also comprises be used to the member that yarn is separated before entering the first Room, so that the outer surface that the fluoropolymer resin precursor can winding yarns flows.
And for example 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 by twizzle, thread board and carry out preheating; C. will send into preforming mould through the composite fibre bundle of preheating, and make the fibre bundle shape near the entrance shape of shaping mould; D. preformed composite fibre is sent into shaping mould.Preforming mould and shaping mould can certainly be united two into one, be divided into preformed section and profiled section at a mould; E. behind cooling and shaping, namely make finished product from shaping mould section bar out.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 the effumability of glue causes the inadequate environmental protection of working environment, and the stability of glue viscosity also is difficult to guarantee 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 defects that aforementioned techniques exists, and a kind of glue injection units and gel-injection mould of frp pipe pultrusion glue filling device are provided.
Primary and foremost purpose of the present invention provides a kind of glue injection units, to realize finishing by the injection glue work of dipping organdy and felt in the mould of sealing;
Another purpose of the present invention provides a kind of gel-injection mould for aforementioned glue injection units.
Glue injection units technical solution problem of the present invention takes following technical scheme to realize, according to a kind of glue injection units provided by the invention, comprise gel-injection mould 21 and the hollow mandrel that enters the pultrusion mould of bootable fiberglass moulding material, wherein, described gel-injection mould arranges and holds the mandrel through hole 210 that mandrel 26 passes, along this mandrel through hole injecting cavity 211,212 is set, negative pressure cavity 213 is set between the adjacent injecting cavity; Described injecting cavity 211,212 has diameter greater than the injecting cavity reaming 2110,2120 of mandrel through hole, forms between this injecting cavity reaming and the mandrel to hold glue around the gap of mandrel; Described negative pressure cavity 213 has diameter greater than the negative pressure cavity reaming 2130 of mandrel through hole, forms the gap of satisfying default negative pressure value between this negative pressure cavity reaming and the mandrel; 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.
Thus, glue injection units can realize finishing by the injection glue work of dipping organdy and felt in the die device of sealing, the problem of not only effectively having avoided glue wantonly to volatilize, take this to realize organdy and felt are carried out the work of " squeezing ", " holding ", on the one hand in order to guarantee the impregnation quality of organdy and felt; Have again, also can avoid mandrel when passing the first injecting cavity, negative pressure cavity, the second injecting cavity, to produce amount of deflection.
Aforesaid glue injection units, wherein, described injecting cavity 211,212 arranges can be around the filled glue hole for injecting glue 201,202 of mandrel.
Aforesaid glue injection units, wherein, the end of described injecting cavity reaming, negative pressure cavity reaming arranges respectively front tapered hole or rear tapered hole.
The setting of described tapered hole can be so that organdy and felt touch the full chamber section of glue gradually in advancing thus, and rear tapered hole can be gone out the full chamber section of glue by pultrusion gradually so that fill organdy and the felt of glue, entered lower order;
Aforesaid glue injection units, wherein, the mandrel of the mandrel through hole 210 of described gel-injection mould enters stomidium 2101 and has preset length, and the mandrel of this mandrel through hole stretches out stomidium 2102 and has preset length; Equal interval preset length between the first injecting cavity 211 and the negative pressure cavity 213, between negative pressure cavity 213 and the second injecting cavity 212 forms the first mesozone 2103, second mesozone 2104 of mandrel through hole.
Aforesaid glue injection units, wherein, the prepsetting gap that forms between described the first injecting cavity reaming and the mandrel is slightly larger than or equals the pipe thickness of pultrusion pipe profile.
The tube wall that more is conducive to thus pipe profile soaks into glue.
Aforesaid glue injection units, wherein, the mandrel through hole 210 that the one-body molded appearance mandrel 26 of gel-injection mould passes is along this mandrel through hole successively coaxial the first injecting cavity 211, negative pressure cavity 213 and the second injecting cavity 212 of arranging; The mandrel of mandrel through hole enters stomidium 2101 and has preset length, and the mandrel of this mandrel through hole stretches out stomidium 2102 and has preset length.
Aforesaid glue injection units, wherein, the mode that this glue hole for injecting glue Cheng Keyu glue output mouth of pipe is connected configures.
Thus, reason 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 injecting glue axle center hole and radial hole and the combination of the glue injection cavities of gel-injection mould coupling, can realize simultaneously injecting glue of section bar inner and outer wall, guarantee the injecting glue quality.
Aforesaid glue injection units wherein, has the seal construction that prevents that glue from revealing between each mould type piece.
Gel-injection mould technical solution problem of the present invention takes following technical scheme to realize, according to a kind of gel-injection mould for aforementioned arbitrary glue injection units provided by the invention, wherein, gel-injection mould is assembled into one by 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; The second mould type piece 21-2, the 6th mould type piece 21-6 form respectively aforesaid the first injecting cavity reaming 2110 and the second injecting cavity reaming 2120; The 4th mould type piece 21-4 forms negative pressure cavity reaming 2130; The first mould type piece 21-1 formation mandrel enters stomidium 2101, the seven mould type piece 21-7 formation mandrel and stretches out stomidium 2102; The 3rd mould type piece 21-3 forms the aforesaid first rear tapered hole 2112 and the first mesozone 2103 and the 3rd front tapered hole 2131; The 5th mould type piece 21-5 forms the aforementioned the 3rd rear tapered hole 2132 and the second mesozone 2104 and the second front tapered hole 2121.
Design can be adjusted by transposing mould type piece the preset length of injecting cavity, negative pressure cavity, the second injecting cavity thus, and is simple and easy to do.
Assembly by different mould type pieces can form different mold cavities, satisfies the needs of pultrusion different size section bar, and the compatibility that improves between the parts is strong.
By this, the gap that forms between injecting cavity reaming and the mandrel has consisted of the appearance glue around the full chamber of the glue of mandrel, injecting cavity reaming one end forms tapered hole in the middle of the mesozone, injecting cavity can be to the mandrel that wraps organdy and felt injecting glue again, so that the glue that injects soaks into the yarn felt more fully, reach the impregnation purpose.
Aforesaid gel-injection mould wherein, has the seal construction that prevents that glue from revealing between each mould type piece.
Aforesaid gel-injection mould, wherein, described mould type piece is one-body molded.
This arranges simple structure, can effectively prevent again the glue leakage, is fit to the in batches production of calibration tube section bar.
The setting of aforementioned negative pressure cavity is together with each measure, strengthens the effect that yarn and felt soak into by the negative pressure that applies preset value.
Glue injection units technical solution problem of the present invention takes following technical scheme to realize, according to a kind of glue injection units provided by the invention, comprise gel-injection mould and the hollow mandrel that enters the pultrusion mould of bootable fiberglass moulding material, wherein, described gel-injection mould arranges 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, described injecting cavity has diameter greater than the injecting cavity reaming of mandrel through hole, forms between this injecting cavity reaming and the mandrel to hold glue around the gap of mandrel.
Aforesaid glue injection units, wherein, described negative pressure cavity has diameter greater than the negative pressure cavity reaming of mandrel through hole, forms the gap of satisfying default negative pressure value between this negative pressure cavity reaming and the mandrel.
Aforesaid glue injection units, wherein, described 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 configures.
Aforesaid glue injection units, wherein, 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.
Aforesaid glue injection units, wherein, the end of described injecting cavity reaming, negative pressure cavity reaming arranges respectively front tapered hole or rear tapered hole.
Aforesaid glue injection units, wherein, the mandrel of the mandrel through hole of described gel-injection mould enters stomidium and has preset length, and the mandrel of this mandrel through hole stretches out stomidium and has preset length; Equal interval preset length between the first injecting cavity and the negative pressure cavity, between negative pressure cavity and the second injecting cavity forms the first mesozone, second mesozone of mandrel through hole.
Aforesaid glue injection units, wherein, the prepsetting gap that forms between described the first injecting cavity reaming and the mandrel is slightly larger than or equals the pipe thickness of pultrusion pipe profile.
Aforesaid glue injection units, wherein, the mandrel through hole that the one-body molded appearance mandrel of gel-injection mould passes is along this mandrel through hole successively coaxial the first injecting cavity, negative pressure cavity and the second injecting cavity of arranging; The mandrel of mandrel through hole enters stomidium and has preset length, and the mandrel of this mandrel through hole stretches out stomidium and has preset length.
Gel-injection mould technical solution problem of the present invention takes following technical scheme to realize, according to a kind of gel-injection mould for aforementioned arbitrary glue injection units provided by the invention, wherein, gel-injection mould is assembled into one by the first mould type piece, the second mould type piece, the 3rd mould type piece, the 4th mould type piece, the 5th mould type piece, the 6th mould type piece, the 7th mould type piece; The second mould type piece, the 6th mould type piece form respectively aforesaid the first injecting cavity reaming and the second injecting cavity reaming; The 4th mould type piece forms the negative pressure cavity reaming; The first mould type piece forms mandrel and enters stomidium, and the 7th mould type piece forms mandrel and stretches out stomidium; The 3rd mould type piece forms the aforesaid first rear tapered hole and the first mesozone and the 3rd front tapered hole; The 5th mould type piece forms the aforementioned the 3rd rear tapered hole and the second mesozone and the second front tapered hole; Has the seal construction that prevents that glue from revealing between each mould type piece.
The present invention compared with prior art has significant advantage and beneficial effect.
By above technical scheme as can be known, the present invention has following advantage at least under the structure configuration of excellence:
The gel-injection mould reasonable disposition that this case glue injection units arranges injecting cavity and negative pressure cavity structure, thereby can realize in the die device of sealing, finishing by the injection glue work of dipping organdy and felt, the problem of not only effectively having avoided glue wantonly to volatilize also can effectively guarantee the stability of glue viscosity in whole pultrusion process; This case provides integrated mould and two kinds of embodiments of mould type piece, and 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 rational structure of this case gel-injection mould can make the better effects if of soaking into of dipping organdy and felt, and loss is few;
The ingenious mandrel that is provided with preset length of this case gel-injection mould enters stomidium and mandrel stretches out stomidium, the first mesozone, the second mesozone, can effectively avoid mandrel to produce amount of deflection when passing the first injecting cavity, negative pressure cavity, the second injecting cavity;
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 every goal of the invention fully.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is pultrusion glue filling device overall structure schematic diagram of the present invention;
Fig. 2 is 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 pultrusion glue filling device pneumatic structure schematic diagram of the present invention.
The specific embodiment
Below in conjunction with preferred embodiment, to according to the specific embodiment provided by the invention, feature and effect thereof, be described in detail as follows; For simple and purpose clearly, hereinafter appropriate omission known technology
Describe, in order to avoid those unnecessary details impacts are to the description of the technical program.
Shown in Fig. 1-4, a kind of glue injection units and gel-injection mould of frp pipe pultrusion glue filling device,
Glue filling device comprises supply glue unit 1, wherein, supply glue unit 1 and glue injection units 2 by 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 with by flange 24 with pultrusion die 3, and glue injection units 2 coexists one with pultrusion die 3 and draws on the axis;
Along the mandrel through hole of gel-injection mould successively coaxial the first injecting cavity 211, negative pressure cavity 213 and the second injecting cavity 212 of arranging;
Equal interval preset length between the first injecting cavity 211 and the negative pressure cavity 213, between negative pressure cavity 213 and the second injecting cavity 212, form the 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 the first injecting cavity, negative pressure cavity, the second injecting cavity, to produce amount of deflection.
Described the first injecting cavity 211 has diameter greater than the first injecting cavity reaming 2110 of mandrel through hole, the gap that forms between this first injecting cavity reaming and the mandrel has consisted of the appearance glue around the full chamber of the glue of mandrel, form prepsetting gap between described the 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 front tapered hole 2111 in the middle of mandrel enters stomidium 2101, this first injecting cavity reaming other end forms the first rear tapered hole 2112 in the middle of the first mesozone 2103; Tapered hole can be so that organdy and felt touch the full chamber section of glue gradually in advancing before being somebody's turn to do, and rear tapered hole can be gone out the full chamber section of glue by pultrusion gradually so that fill organdy and the felt of glue, entered lower order;
Described the second injecting cavity 212 is identical with the first injecting cavity 211 structures, has diameter greater than the second injecting cavity reaming 2120 of mandrel through hole, the gap that forms between this second injecting cavity reaming and the mandrel has consisted of the appearance glue around the full chamber of the glue of mandrel, this the second injecting cavity reaming one end forms the second front tapered hole 2121 in the middle of the second mesozone 2104, this second injecting cavity reaming other end forms the second rear tapered hole 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 again, so that the glue that injects soaks into the yarn felt more fully; Also form prepsetting gap between described the second injecting cavity reaming and the mandrel;
Described negative pressure cavity 213 has diameter greater than the negative pressure cavity reaming 2130 of mandrel through hole, this negative pressure cavity reaming one end forms the 3rd front tapered hole 2131 in the middle of the first mesozone 2103, this negative pressure cavity reaming other end forms the 3rd rear tapered hole 2132 in the middle of the second mesozone 2104; The effect of negative pressure cavity is to strengthen the effect that yarn and felt soak into by the negative pressure that applies preset value; The same prepsetting gap that forms between this negative pressure cavity reaming and the mandrel;
Gel-injection mould 21 can be integrated, and as shown in Figure 2, this set is simple structure both, can effectively prevent again the glue leakage, is fit to the in batches production of calibration tube section bar;
Gel-injection mould 21 also can be that namely 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 mould type pieces 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 respectively aforesaid the first injecting cavity reaming 2110 and the second injecting cavity reaming 2120;
The 4th mould type piece 21-4 forms negative pressure cavity reaming 2130;
The first mould type piece 21-1 forms aforesaid mandrel and enters 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 rear tapered hole 2112 and the first mesozone 2103 and the 3rd front tapered hole 2131;
The 5th mould type piece 21-5 forms the aforementioned the 3rd rear tapered hole 2132 and the second mesozone 2104 and the second front tapered hole 2121;
Have seal construction between each mould type piece, prevent the glue leakage, as shown in Figure 3;
Design can be adjusted by changing second, four, six mould type pieces the preset length of the first injecting cavity 211, negative pressure cavity 213, the second injecting cavity 212 thus, and is simple and easy to do;
Assembly by different mould type pieces can form different mold cavities, 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 easily radial dimension and the axial dimension of injecting cavity, can effectively save manufacturing cost and the cycle of mould;
The first injecting cavity of glue injection units, the second injecting cavity position arrange respectively can be around mandrel filled the first glue hole for injecting glue 201, the second glue hole for injecting glue 202; The first adhesive pouring nozzle element 20a, the second adhesive pouring nozzle element 20b configure in the mode that glue hole for injecting glue and the glue output mouth of pipe is connected;
The negative pressure cavity position of glue injection units arranges the test section unit 4 of glue position, this test section unit can be by existing technology, as realizing detecting by magnetic induction principle with the float that magnetic material is installed, and indicator lamp is set shows, also can be connected with controlling organization, thereby but the regulatory function of glue is injected in realization.
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 and the combination of the glue injection cavities of gel-injection mould coupling, can realize simultaneously injecting glue of section bar inner and outer wall, guarantee the injecting glue quality.
Situations in the negative pressure cavity position of glue injection units installation and measuring section unit 4 referring to accompanying drawing 3;
Setting element 271,272,273,274 is used for segmentation positioning the 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, such as commercially available pneumatic triple piece 11, this pneumatic element is connected in series the pressure regulator valve 12 of adjusting circuit pressure, the one-way throttle valve 13 of adjusting the loop throughput successively, this one-way throttle valve is connected in series with storage glue tank group 15, and this storage glue tank group can provide the glue with pressure; This storage glue tank group is comprised of the first storage glue tank 151 and the second storage glue tank 152, this the first storage glue tank becomes the parallel way configuration with the second storage glue tank, the inlet end of the first storage glue tank and the second storage glue tank configures respectively the valve 1511,1521 of break-make loop air-flow, the glue output of the first storage glue tank and the second storage glue tank configures respectively the valve 1512,1522 of break-make glue, the thus simple structure control of glue supply of being more convenient for, namely can be a storage glue tank supply glue, also can be that two storage glue tanks are supplied glue simultaneously;
Described storage glue tank group includes but not limited to the parallel way configuration of two storage glue tanks, can also be that a plurality of storage glue tanks are in parallel, satisfies different needs; Described the first storage glue tank is identical with the second storage glue tank structure, and take the first storage glue tank as example, the first storage glue tank 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 tank, and the specification of reason tubing and pultrusion speed different have different requirements to demand and the glue injection rate of glue, and control valve is used for regulating injecting glue speed and injecting glue amount;
Glue transfer pipeline 6 has first and carries branch road 61, and this first carries 26 one-tenths of branch road and mandrels to be connected to the mode of injection glue in the injecting glue axle center hole of mandrel, with realization to 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 by 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 by 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 again.
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 gel-injection 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 describes in detail, be familiar with this technology personage and can clearly understand, can carry out various variations and modification not breaking away under following claim and the spirit, and the present invention also is not subject to the embodiment of illustrated embodiment in the specification.
Claims (10)
1. glue injection units, comprise gel-injection mould (21) and the hollow mandrel that enters the pultrusion mould of bootable fiberglass moulding material, it is characterized in that, described gel-injection mould arranges and holds the mandrel through hole (210) that mandrel (26) passes, along this mandrel through hole injecting cavity (211,212) is set, negative pressure cavity (213) is set between the adjacent injecting cavity; Described injecting cavity (211,212) has diameter greater than the injecting cavity reaming (2110,2120) of mandrel through hole, forms between this injecting cavity reaming and the mandrel to hold glue around the gap of mandrel; Described negative pressure cavity (213) has diameter greater than the negative pressure cavity reaming (2130) of mandrel through hole, forms the gap of satisfying default negative pressure value between this negative pressure cavity reaming and the mandrel; 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.
2. glue injection units as claimed in claim 1 is characterized in that, described injecting cavity (211,212) setting can be around the filled glue hole for injecting glue (201,202) of mandrel.
3. glue injection units as claimed in claim 1 or 2 is characterized in that, the end of described injecting cavity reaming, negative pressure cavity reaming arranges respectively front tapered hole or rear tapered hole.
4. such as the described glue injection units of one of claim 1-3, it is characterized in that, the mandrel of the mandrel through hole (210) of described gel-injection mould enters stomidium (2101) and has preset length, and the mandrel of this mandrel through hole stretches out stomidium (2102) and has preset length; Equal interval preset length between the first injecting cavity (211) and the negative pressure cavity (213), between negative pressure cavity (213) and the second injecting cavity (212) forms the first mesozone (2103), the second mesozone (2104) of mandrel through hole.
5. such as the described glue injection units of one of claim 1-4, it is characterized in that, the prepsetting gap that forms between described the first injecting cavity reaming and the mandrel is slightly larger than or equals the pipe thickness of pultrusion pipe profile.
6. such as the described glue injection units of one of claim 1-5, it is characterized in that, the mandrel through hole (210) that the one-body molded appearance mandrel of gel-injection mould (26) passes is along this mandrel through hole successively coaxial the first injecting cavity (211), negative pressure cavity (213) and the second injecting cavity (212) of arranging; The mandrel of mandrel through hole enters stomidium (2101) and has preset length, and the mandrel of this mandrel through hole stretches out stomidium (2102) and has preset length.
7. such as the described glue injection units of one of claim 1-6, it is characterized in that, the mode that the described glue hole for injecting glue Cheng Keyu glue output mouth of pipe is connected configures.
8. such as the described glue injection units of one of claim 1-7, it is characterized in that having the seal construction that prevents that glue from revealing between each mould type piece.
9. gel-injection mould that is used for the arbitrary glue injection units of aforementioned 1-8, it is characterized in that, gel-injection mould is assembled into one by 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); The second mould type piece (21-2), the 6th mould type piece (21-6) form respectively aforesaid the first injecting cavity reaming (2110) and the second injecting cavity reaming (2120); The 4th mould type piece (21-4) forms negative pressure cavity reaming (2130); The first mould type piece (21-1) forms mandrel and enters stomidium (2101), and the 7th mould type piece (21-7) forms mandrel and stretches out stomidium (2102); The 3rd mould type piece (21-3) forms the aforesaid first rear tapered hole (2112) and the first mesozone (2103) and the 3rd front tapered hole (2131); The 5th mould type piece (21-5) forms the aforementioned the 3rd rear tapered hole (2132) and the second mesozone (2104) and the second front tapered hole (2121).
10. gel-injection mould as claimed in claim 9 is characterized in that, has between each mould type piece to prevent that seal construction or described mould type piece that glue reveals are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103807723A CN102909869A (en) | 2009-06-05 | 2009-06-05 | Glue injection unit and glue injection mold for pultrusion glue injection device of glass reinforced plastic tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103807723A CN102909869A (en) | 2009-06-05 | 2009-06-05 | Glue injection unit and glue injection mold for pultrusion glue injection device of glass reinforced plastic tube |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100691460A Division CN101564899A (en) | 2009-06-05 | 2009-06-05 | Glue-injection unit of glass fiber reinforced plastic tubular product pultrusion glue-injection device and glue-injection mold |
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| CN102909869A true CN102909869A (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012103807723A Pending CN102909869A (en) | 2009-06-05 | 2009-06-05 | Glue injection unit and glue injection mold for pultrusion glue injection device of glass reinforced plastic tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN110682561A (en) * | 2019-10-14 | 2020-01-14 | 江苏诺贝尔塑业有限公司 | Manufacturing method of continuous fiber impregnated MPP (modified Polypropylene) coated composite pipe |
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