Multi-component cartridge
Technical field
The present invention relates to a kind of cartridge (Kartusche) outlet nozzle and a spritzpistole, that be used for carrying out isolated storage and co-extruded that has for the flowable mass of at least two kinds of compositions.In this case, flowable mass is interpreted as particularly a kind of thick substances with composition of thickness, for example multicomponent adhesion agent, multicomponent artificial resin or multicomponent mortar.
Background technology
In order to store and to discharge bi-component substances and adopt cartridge.These cartridges have a charging chamber that is divided into two chambers.Two compositions are placed apart from each other and are stored in these two chambers.The composition that is arranged in chamber according to the rules blending ratio together can be sprayed by outlet nozzle by one or two spritzpistoles.The injected composition that comes out is mixed with each other at a static mixer that is arranged on the outlet nozzle back.The outlet nozzle of some cartridges is provided with on the common outlet nozzle usually like this, and its base region has one and is used for for the seal bootr of installation elements-for example or a static mixer holds and fixing outside thread.
Disclose a kind of pair of composition cartridge by DE 39 13 409 A1, it has a kind of shape and structure of single composition cartridge, and therefore can be used in the conventional sprayed coating squeezer.The charging chamber of cartridge is divided into two chambers by a flexible isolating wall that is provided with along the longitudinal direction.In passing through the course of injection of spritzpistole, this flexible isolating wall is separated by the sprayed coating wall, and is accommodated in the cavity of spritzpistole.
DE 102 07 763 A1 disclose a kind of pair of composition cartridge.This cartridge has the container of two blown tubulars, and this container extends on fan-shaped, and replenishes mutually and help circle, and like this, cartridge has a kind of cylindrical shape.In order to push for described composition, these containers can be set in the cylinder of an extruder, and can be along the longitudinal direction drift by this extruder compress.
DE 103 10 162 A1 disclose a kind of two composition cartridges of five block constructions.The valve gap and one that the pipe fitting, that it is used to hold compressible container by two containers, that are used to hold described composition has an outlet nozzle is used to push the spritzpistole of described composition and forms.Vessel Design becomes blast nozzle part, and bonding with valve gap.Inlet point by blast nozzle part after cartridge installs loads.Owing to a large amount of semifinished part (its installation process is very bothersome) and because the filling process is time-consuming, so a kind of like this production process cost of multi-component cartridge is very high.
Summary of the invention
Therefore task of the present invention is, advises that a kind of being used for carry out the multi-component cartridge that isolated storage and as prescribed blending ratio are carried out co-extruded for two kinds or more multicomponent flowable materials.But this cartridge cost is advantageously made, and can be used as unidirectional cartridge, and available traditional single composition sprayed coating squeezer pushes.
For this reason, the present invention proposes a kind of multi-component cartridge that is used for storing and carrying out isolator for the flowable mass of at least two kinds of compositions co-extruded, it has an outlet nozzle and an extrusion piston, wherein, in a charging chamber of cartridge, be provided with and extend at least one length in the charging chamber, occupied the part of charging chamber's cross-sectional plane, and compressible along the longitudinal direction container, this container is divided into the chamber that is used to hold single composition separated from one another with the charging chamber, it is characterized in that, container is being fixed on its length on the interior cover surface of cartridge, and fixed mechanism is taken apart by extrusion piston continuously when pushing for described composition.
Multi-component cartridge according to the present invention is used for flowable materials at least two kinds of compositions to carry out isolated storage and it is extruded jointly.Cartridge has an outer tube.This outer tube at one end seals by a valve gap in the portion.Valve gap has an outlet nozzle.The shell of this outlet nozzle has the fixed mechanism that is used to hold and fixedly mount element.Installation elements, for example a kind of seal cap or a kind of static mixer are fixed on the outlet nozzle by cooresponding fixed mechanism.A charging chamber that is among the outer tube inside seals by a spritzpistole.This spritzpistole can move along the valve gap direction, and by outlet nozzle described material is expressed in the static mixer.At least one extension and compressible along the longitudinal direction container of whole length in this chamber is set in the charging chamber of cartridge.This container is divided into the chamber that is isolated from each other with the charging chamber of cartridge, wherein, and a kind of composition of storage in each chamber.These chambers still all have constant substantially cross-sectional plane in shape dimensionally on their length, wherein, these cross-sectional planes replenish the cross-sectional plane of cartridge.The mixture ratio of the composition of the area of described chamber cross-sectional plane when determining to push, and be near constant in whole crumpling process.Described container on its whole length, be fixed on outer tube one in the cover surface on.When pushing for described composition, compress this container by spritzpistole, the fixed mechanism that it puts in outer tube is opened by spritzpistole continuously.
In cartridge according to the present invention, described outer tube is produced as whole ground of drip molding, and valve gap is formed on this outer tube.This way has following advantage, promptly reduces the semi-finished quantity in the production process, and needn't produce pressure-tight connection in installation process between valve gap and outer tube.The charging chamber of cartridge body preferably just just is divided into the chamber that is isolated from each other by container is inserted.This way has following advantage, promptly can realize mixture ratio arbitrarily with the variation of a cartridge by container itself.It is suitable that the Vessel Design of cartridge is become tuyere spare.The effect that is designed to tuyere spare is that these containers have only an opening, just an outlet nozzle.In addition, owing to these containers cut out, so in the zone of chamber wall, packing less situation can not occur.
In a kind of scheme of the present invention, described container is on the interior cover surface that is fixed on outer tube on its whole length.In this case, best longitudinal direction along this container carries out described fixing linearly.Described connection can be continuous, or the one-tenth section.When described connection was the section of one-tenth, these connecting portions can be designed to point or contact pin, and wherein, these contact pin can be parallel to or transverse to the longitudinal direction setting of container.
In this case, container fixing can form fit connects, power transmission connection and/or material merge with connecting and finish.Can use all disclosed technology, for example kayser, stickup or welding for this reason.Can be according to the technology that is adopted, in emptying or on the container that has loaded, carry out described fixing.
A kind of improvement project regulation of the present invention, the interior cover surface of outer tube has a spring that extends in a longitudinal direction, and this spring form fit connects and/or power transmission is embedded in the groove of sleeve surface of container with connecting.In this case, container can be inserted in the spring of cartridge along the longitudinal direction, or perpendicular to longitudinal direction be pressed into.Also can on the cartridge body, groove be set, and on container, spring be set.
In a kind of preferred scheme of the present invention, container is arranged in the charging chamber of cartridge prejudicially, and abuts on the interior cover surface of cartridge with its part of outside face.So just can by bonding or welding these cover surfaces be interconnected simply.
According to the present invention, described container has preformed inflection point.By this measure, the container of cartridge can carry out axial compression as the accordion with little strength, and after extruding described composition by spritzpistole, is superimposed together at this inflection point place.Container is made tuyere spare just make that thin vertical wall and thick-wall outlet nozzle become possibility.
What spritzpistole was preferably in it has a raised profile on the end face of charging chamber, it abuts on the cooresponding end face of container with this raised profile.When spritzpistole moved, container was superimposed on next inflection point, and was pressed on the interior cover surface of outer tube.Described raised profile can be designed to the shape of ball collar, wherein, also can be the another kind of geometric configuration of outwards pointing to, for example a kind of design of the plane that inclines towards each other.
In a kind of scheme of the present invention, spritzpistole has a blade on the end face of charging chamber.This blade abuts on the interior cover surface of cartridge.When the described composition of extruding, the partial continuous ground that is drained of container is taken apart from the interior cover surface of cartridge, and makes cut part folding at the inflection point place.This way guarantees that the effective cross section of container when extruding does not change, and the blending ratio of the composition that therefore is squeezed out keeps constant at least substantially.
In the preferred scheme of another kind, one outlet nozzle is set on the end face of valve gap at container.It is arranged in the opening of cartridge with one heart, and and the open end alignment of the outlet nozzle of cartridge.The advantage of doing like this is, when described composition is easy to mix after opening comes out.
Description of drawings
The present invention will be described in more detail by a kind of embodiment shown in the accompanying drawings below.These accompanying drawings are:
Fig. 1: according to the perspective exploded view of a kind of embodiment of cartridge of the present invention;
The longitdinal cross-section diagram of the cartridge of stack-mounted of Fig. 2: Fig. 1;
The cross sectional drawing of the cartridge of stack-mounted of Fig. 3: Fig. 1;
The end view drawing of the outlet nozzle side of the cartridge of stack-mounted of Fig. 4: Fig. 1.
The specific embodiment
Multi-component cartridge 1 according to the present invention shown in Figure 1 is used for storing isolator and co-extruded for the thick substances of two compositions.It has a columniform outer tube 2, a valve gap 3 and a columniform spritzpistole 4.An outlet nozzle 5 is shaped on valve gap 3.For with different suitable at this unshowned installation elements, this outlet nozzle has a fixed mechanism 6.Shown in and in the illustrated embodiments of the invention, this fixed mechanism is designed to outside thread 8.For example a seal bootr or a static mixer can be used as installation elements and are arranged on the outside thread 8 of valve gap 3.One container 7 is set in outer tube 2.This container is produced as tuyere spare, and has an outlet nozzle 9.
Fig. 2 illustrates the vertical section of the cartridge that has assembled 1 of Fig. 1.Outer tube 2 and valve gap 3 can be used as single-piece cartridge body 10 and produce.Shown in illustrated embodiments of the invention in, disc shaped and weld with outer tube 2 or bonding with the valve gap 3 of rib reinforcement.Container 7 is arranged in the charging chamber 11 in outer tube 2 inside, and be fixed on cartridge body 10 one on the cover surface 12.Outlet nozzle 9 axially runs through the outlet nozzle 5 of cartridge body 10, and and its end face finish alignedly.Spritzpistole 4 is closed charging chamber 11, and the charging chamber is sealed, and prevents that unshowned thick substances from leaking out.
Container 7 is divided into two chambers that are isolated from each other 13 and 14 with the charging chamber 11 of cartridge body 10.Chamber 14 forms by the inner space of container 7, and chamber 13 forms by the remaining space of charging chamber 11.Give chamber 14 fillings unshowned first kind of material composition by the outlet nozzle 9 of container 7, before sealing for tube end 15, give chamber 13 fillings also unshowned second material composition by a tube end 15 of cartridge body 10 with spritzpistole 4.Container 7 extends on the whole length of charging chamber 11, and is thin-walled design.This container has a kind of near constant cross-sectional plane on its whole length, and is folding along the longitudinal direction as the accordion.For extruding during unshowned composition with certain shape compression container 7, the sleeve surface 16 of this container 7 has preformed inflection point 17,17 ".When spritzpistole 4 moved, container 7 was along inflection point 17,17 " a/s overlapping towards the direction of valve gap 3.
Spritzpistole 4 has a blade 18 its on the end face of charging chamber 11.This blade 18 is arranged on the excircle of spritzpistole 4 circlewise, and abuts on the inside face 12 of cartridge body 10.18 pairs of chambers 13 of this blade seal, and cut off the fixed mechanism 19 that is between cartridge body 10 and the container 7 when spritzpistole 4 moves axially.11 the end face towards the charging chamber of spritzpistole 4 has a raised profile 20 that is shaped as the ball collar shape.This profile 20 tilts towards the sleeve surface direction of cartridge body 10, and abuts on the bottom 21 of container 7.When spritzpistole 4 moved, described unshowned material composition was extruded by outlet nozzle 5,9, and wherein, container 7 is along inflection point 17,17 " fold continuously, and separate with the interior cover surface 12 of cartridge body 10.
Fig. 3 illustrates a cross-sectional plane of cartridge 1.Container 7 is arranged in the charging chamber 11 of cartridge body 10 prejudicially, and abuts on the interior cover 12 of cartridge body 10 with the mating surfaces 24 of the overcoat 16 of this container.The cross-sectional plane of the chamber 14 of container 7 is fan-shaped.On the interior cover surface 12 of cartridge body 10, in the zone of the mating surfaces 24 of container 7, an axially extended spring 23 is set.The mating surfaces 24 of container 7 has a corresponding groove 22.Spring 23 form fit of cartridge body 10 connect ground or power transmission is engaged in this groove with connecting.Connect in order to strengthen this power transmission, groove 22 is provided with the side recess, and spring 23 is provided with the reinforcement that is engaged to wherein.Also can be arranged on spring 23 on the container 7, groove 22 is arranged on (not shown) on the cartridge body 10.
Fig. 4 illustrates the birds-eye view of the outlet nozzle side of cartridge 1.Outlet nozzle 5 is arranged on the valve gap 3 prejudicially with outer tube 2.In outlet nozzle 5, fixing the outlet nozzle 9 of container 7 with one heart.The outside thread 8 that has formed fixed mechanism 6 is formed in the outer of outlet nozzle 5 and puts.On this outside thread 8, a unshowned static mixer can be installed adaptedly.