CN203472030U - Polyurethane raw material injection device - Google Patents
Polyurethane raw material injection device Download PDFInfo
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- CN203472030U CN203472030U CN201320224983.8U CN201320224983U CN203472030U CN 203472030 U CN203472030 U CN 203472030U CN 201320224983 U CN201320224983 U CN 201320224983U CN 203472030 U CN203472030 U CN 203472030U
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Abstract
The utility model provides a high-practicability polyurethane raw material injection device. The injection device for injecting polyurethane raw materials into a forming die comprises an ejection passage (40), a mixing passage (70), a plunger (24) and a cleaning rod (22), wherein the ejection passage (40) is used for injecting the polyurethane raw materials into the forming die; the mixing passage (70) is used for ejecting the polyurethane raw materials in a high pressure manner; the plunger (24) is used for pushing out the polyurethane raw materials ejected in the high pressure manner out of the ejection passage; the cleaning rod (22) is used for cleaning the ejection passage after the polyurethane raw materials are ejected, and is provided with a main body part (52) and a taper-shaped front end part (54), and the main body part (52) moves forwards and backwards in the ejection passage in a state of being in slide contact with the inner wall of the ejection passage. After the ejection passage is cleaned, the polyurethane raw materials rapidly drop from the taper-shaped front end part, so that the remaining of the polyurethane raw materials at the cleaning rod can be restrained; after the rapidly ejected polyurethane raw materials collide with the taper-shaped front end part, the ejection direction of the polyurethane raw materials is the direction along the ejection passage, and the polyurethane raw materials can be properly ejected.
Description
Technical field
The present invention relates to inject the urethane raw injection device of the urethane raw being formed by polyol component and PIC composition in finishing die.
Background technology
The whole bag of tricks such as the polyurethane formed body that the urethane raw that utilization consists of polyol component and PIC composition is shaped can pass through injection moulding, slab method are shaped, and when with injection moulding formed polyurethane formed body, to the inside of finishing die, inject urethane raw.For the device to injecting urethane raw in finishing die as described in following patent documentation, possess ejection path for spray urethane raw in finishing die, be connected in this ejection path path for mixing midway, be arranged at this mixing with the plunger in path and be arranged at the cleaning rod spraying in path.And, with high pressure, to mixing with path, spraying polyol component and PIC composition respectively, the polyol component of this ejection and PIC composition are released to ejection path by plunger, inject urethane raw thus in finishing die.In addition, the ejection path after ejection urethane raw is cleaned by cleaning rod.
Patent documentation 1: TOHKEMY 2003-154536 communique
In the urethane raw injection device of above-mentioned structure, utilize the urethane raw of plunger ejection to be injected in shaping mould, the spray volume once based on plunger is to the shot in finishing die.Therefore,, in order to improve productivity, need to increase the spray volume once based on plunger.But, along with the increase of spray volume, from the urethane raw diffusion of ejection path ejection, likely suitably in injection molding mould.The reason that urethane raw spreads is considered, from the mixing swift and violent collision of the path urethane raw spraying to ejection path and the inwall that sprays path, after repeatedly to the collision of inwall, from spraying path ejection.
In addition, when injecting urethane raw successively in a plurality of finishing dies, repeatedly carry out the ejection of urethane raw and the cleaning in ejection path, but after cleaning in ejection path, at the remaining urethane raw of front end of cleaning rod, this remaining urethane raw likely drips in unexpected position.For example, the injection in finishing die finishes, while urethane raw injection device being moved in order to inject urethane raw in next finishing die, if from the front end of the cleaning rod urethane raw that drips, may pollute finishing die etc.Like this, urethane raw injection device retains the leeway of improvement in a large number, by implementing various improvement, can improve the practicality of urethane raw injection device.
Summary of the invention
The present invention makes in light of this situation, and its problem is, the urethane raw injection device that practicality is high is provided.
In order to solve above-mentioned problem, the application's first aspect provides a kind of urethane raw injection device, injects the urethane raw consisting of polyol component and PIC composition to finishing die, it is characterized in that, possess: ejection path, it for spraying urethane raw in finishing die; Mixing path, it is connected in this ejection path midway, and polyol component and PIC composition are ejected with high pressure respectively; Plunger, it is arranged at this mixing with in path, and releases polyol component and the PIC composition with high pressure ejection to described ejection path; And cleaning rod, it is arranged in described ejection path, for cleaning in the described ejection path to after ejection urethane raw, described cleaning rod has: main part, and it is the state advance and retreat with the inwall sliding-contact with described ejection path at described ejection path; And from the leading section of the continuous taper shape of this main part.
In addition, second aspect, on the basis of first aspect, provides a kind of urethane raw injection device, it is characterized in that, described cleaning rod the largest enter ejection path in time, described main body section is in the front end of described ejection path.
In addition, the third aspect first or the basis of second aspect on, a kind of urethane raw injection device is provided, it is characterized in that, described leading section forms cone shape.
In addition, fourth aspect first or the basis of second aspect on, a kind of urethane raw injection device is provided, it is characterized in that, at described cleaning rod, from described ejection path during the largest exiting, at least a portion of described leading section is positioned at the scope of the opening to described ejection path of path for described mixing on the bearing of trend of described cleaning rod.
In addition, the 5th aspect first or the basis of second aspect on, a kind of urethane raw injection device is provided, it is characterized in that, described ejection path and described mixing are substantially vertical with path.
Invention effect
In the urethane raw injection device described in first aspect, cleaning rod is by spraying path with the main part of the state advance and retreat of the inwall sliding-contact with described ejection path and forming from the leading section of the continuous taper shape of this main part.Here said " continuously " means for example continuous situation of shape.Thus, after the cleaning in ejection in path, from the leading section of the taper shape urethane raw that promptly drips, can be suppressed at urethane raw remaining of cleaning rod.Therefore,, according to the urethane raw injection device described in first aspect, can prevent urethane raw inexpectancy and drip.
In addition, in the urethane raw injection device described in first aspect, can adjust the position of cleaning rod, so that collide towards the urethane raw of ejection path ejection and the leading section of taper shape from mixing with path.When the urethane raw of swift and violent ejection and the leading section of taper shape collide, the emission direction of urethane raw becomes along the direction of ejection path, can be suitably from ejection path ejection urethane raw.Thus, the diffusion of the urethane raw in the time of can suppressing to make spray volume once based on plunger to increase, can improve productivity.In addition, from mixing the urethane raw that sprays towards ejection path with path and the leading section of taper shape, collide by making, when colliding, can promote the mixing of mixing polyol component and the PIC composition of urethane raw, can suitably promote the reaction of two kinds of compositions.
In addition, in the urethane raw injection device of second aspect, cleaning rod the largest enter ejection path in time, the main body section of cleaning rod in ejection path front end.That is, can utilize the main part of cleaning rod to clean to the front end that sprays path in ejection path.In addition, cleaning rod the largest enter ejection path in time, a part for main part is positioned at the front end of ejection path, and the front end of main part also can be positioned at the front end of ejection path with the continuous one end of the leading section of main part, and the front end of main part also can be given prominence to from the front end of ejection path.
In addition, the leading section of the cleaning rod of the urethane raw injection device described in the third aspect forms cone shape.Thus, can suitably carry out urethane raw from conversion of the emission direction of the dripping of leading section, urethane raw etc.In addition, cone shape refers to and forms the shape of utilizing the taper forming from the straight line of some radiated entends, includes circular cone, pyramid etc.
Accompanying drawing explanation
Fig. 1 represents the profile of the urethane raw injection device of embodiment;
Fig. 2 means in the urethane raw injection device shown in Fig. 1 to the profile that sprays the state of polyol component and PIC composition in mixing with path;
Fig. 3 means the profile of the state that utilizes plunger ejection urethane raw in the urethane raw injection device shown in Fig. 1;
Fig. 4 means in the urethane raw injection device shown in Fig. 1 the profile to the state cleaning in ejection path by cleaning rod;
Fig. 5 means the profile of the urethane raw injection device of comparative example;
Fig. 6 means the profile of the state that utilizes plunger ejection urethane raw in the urethane raw injection device shown in Fig. 5;
Fig. 7 means the profile of the urethane raw injection device of variation.
Label declaration
10: urethane raw injection device
22: cleaning rod
24: plunger
40: through hole (ejection path)
52: bar main part (main part)
54: leading section
70: radial hole (mixing path)
110: leading section
112: urethane raw injection device
The specific embodiment
Below, as for implementing mode of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings and variation.
(formation of urethane raw injection device)
Fig. 1 represents the urethane raw injection device (being sometimes slightly called " injection device " below) 10 of the embodiment of the present invention.Injection device 10 is for injecting the device of the urethane raw consisting of polyol component and PIC composition in finishing die, using when the polyurethane formed body of finishing die internal shaping.
As shown in Figure 1, injection device 10 possesses housing 20, in housing 20, keeps slidably cleaning rod 22 and plunger 24.Housing 20 roughly by columned main part 30, be coaxially fixed on the end face of main part 30 cylindrical portion 32, cover cylindrical portion 32 the end of being fixed on main part 30 opposition side end cap 34 and to found the fixing columned cylinder portion 36 of the state of the side of being located at main part 30, form.
In the inside of housing 20, be formed with the first liquid chamber 38 by main part 30 and cylindrical portion 32 and cap 34 divisions.At main part 30, in the mode of extending along its axis direction, be formed with through hole 40, one end of through hole 40 is to first liquid chamber 38 inner openings, and the other end is to the end face opening of a side of the not stationary cylinder portion 32 of main part 30.And, in the inside of first liquid chamber 38 and through hole 40, be mounted slidably cleaning rod 22.
In addition, first liquid chamber 38 is divided into two liquid chambers by club head 50, and first liquid path 56 is communicated with in liquid chamber between club head 50 and cap 34, and second liquid path 58 is communicated with the liquid chamber between club head 50 and main part 30.Thus, via each fluid path 56,58, make liquid 38 inflows or 38 outflows from first liquid chamber to first liquid chamber, make thus cleaning rod 22 in the interior movement of housing 20, can make bar main part 52 in the interior advance and retreat of through hole 40.
Specifically, via first liquid path 56, make liquid flow in first liquid chamber 38 and make liquid from the interior outflow in first liquid chamber 38 via second liquid path 58, make thus bar main part 52 enter in through hole 40, via second liquid path 58, make liquid flow in first liquid chamber 38 and make liquid from the interior outflow in first liquid chamber 38 via first liquid path 56, can make thus bar main part 52 exit in through hole 40.In addition, be provided with for adjusting the guiding mechanism 60 of the path increment of cleaning rod 22 on cap 34, capable of regulating bar main part 52 is from the amount of exiting in through hole 40.
In addition, the main part 30 at housing 20 is formed with the radial hole 70 radially extending.That is, in the present embodiment, through hole 40 and radial hole 70 generally perpendicularly arrange.One end of radial hole 70 is to through hole 40 openings, and the other end is to the outer peripheral face opening of main part 30.Cylinder portion 36 is to stop up radial hole 70 to the vertical outer peripheral face of being located at main part 30 of mode of the opening of the outer peripheral face of main part 30.In the inside of cylinder portion 36, in the mode of extending along its axis direction, be formed with radial hole 70 with footpath and coaxial axis hole 72, this axis hole 72 is communicated with radial hole 70.Inside in cylinder portion 36 is also formed with second liquid chamber 74, is communicated with the end of opposition side of end of side to these second liquid chamber 74 openings with the radial hole 70 of axis hole 72.
The plunger stem 78 of the pole shape that in addition, plunger 24 is coaxially fixed on plunger head 76 by plunger head 76 and an end of short cylindrical shape forms.Plunger head 76 is contained in second liquid chamber 74, and the external diameter of plunger head 76 is slightly less than the internal diameter of second liquid chamber 74.In addition, plunger stem 78 is inserted in radial hole 70 and axis hole 72, and the external diameter of plunger stem 78 is slightly less than the internal diameter of radial hole 70 and axis hole 72.Thus, plunger head 76 can be in the interior slip in second liquid chamber 74, along with the slip of plunger head 76, makes the plunger stem 78 can be with the state of the inwall sliding-contact with radial hole 70 and axis hole 72 in radial hole 70 and the interior advance and retreat of axis hole 72.
In addition, second liquid chamber 74 is divided into two liquid chambers by plunger head 76, in the liquid chamber at the 3rd fluid path 80 and plunger stem 78 places, is communicated with, and the 4th fluid path 82 is not communicated with there is no the liquid chamber of plunger stem 78.Thus, via each fluid path 80,82, make liquid 74 inflows or 74 outflows from second liquid chamber to second liquid chamber, make thus plunger 24 in the interior movement of housing 20, can make plunger stem 78 in radial hole 70 and the interior advance and retreat of axis hole 72.
Specifically, via the 4th fluid path 82, make liquid flow in second liquid chamber 74 and make liquid from the interior outflow in second liquid chamber 74 via the 3rd fluid path 80, make thus plunger stem 78 enter in radial hole 70 and axis hole 72, via the 3rd fluid path 80, make liquid flow in second liquid chamber 74 and make liquid from the interior outflow in second liquid chamber 74 via the 4th fluid path 82, can make thus plunger stem 78 exit in radial hole 70 and axis hole 72.In addition, at the end face that is not fixed on main part 30 sides of cylinder portion 36, be provided with for adjusting the guiding mechanism 84 of the path increment of plunger 24, capable of regulating plunger stem 78 is from the amount of exiting in radial hole 70 and axis hole 72.
In addition, the main part 30 at housing 20 is formed with polyalcohol feed path 86 and the polyalcohol discharge path 88 to radial hole 70 openings.Polyalcohol feed path 86 is the paths for the internal feed polyol component to radial hole 70, and polyalcohol discharge path 88 is the paths for polyol component is discharged from radial hole 70.These polyalcohol feed paths 86 and polyalcohol discharge path 88 are along the arranged radially of main part 30, and to radial hole 70 openings, the opening of polyalcohol feed path 86 is positioned at through hole 40 sides.
In addition, the main part 30 at housing 20 is formed with isocyanates feed path 90 and the isocyanates discharge path 92 to radial hole 70 openings.Isocyanates feed path 90 is the paths for the internal feed PIC composition to radial hole 70, and isocyanates discharge path 92 is the paths for PIC composition is discharged from radial hole 70.These isocyanates feed paths 90 and isocyanates discharge path 92 are along the arranged radially of main part 30, and to radial hole 70 openings, the opening of isocyanates feed path 90 is positioned at through hole 40 sides.In addition, the opening of isocyanates feed path 90 is relative with the opening of polyalcohol feed path 86.Be that isocyanates feed path 90 and polyalcohol feed path 86 are at the position opening of the two circumferential deciles of radial hole 70.
In addition, the outer peripheral face in the plunger stem 78 of plunger 24 is formed with a pair of recess 96,98 symmetrical centered by the axle center of plunger stem 78.Plunger stem 78 the largest enter under the state of inside of radial hole 70 and axis hole 72, polyalcohol feed path 86 and polyalcohol discharge path 88 are at recess 96 openings, isocyanates feed path 90 and isocyanates discharge path 92 are at recess 98 openings.Thus, plunger stem 78 the largest enter under the state of inside of radial hole 70 and axis hole 72, polyol component is via recess 96 from polyalcohol feed path 86 to 88 circulations of polyalcohol discharge path, and PIC composition circulates to isocyanates discharge path 92 from isocyanates feed path 90 via recess 98.
(action of urethane raw injection device)
In the injection device 10 forming as mentioned above, by making plunger 24 actions, by urethane raw from radial hole 70 via through hole 40 injection molding moulds, by the inside of through hole 40 after making cleaning rod 22 actions, can clean urethane raw to inject.Below, use Fig. 2～Fig. 4 to be elaborated to the cleaning in the injection of urethane raw and through hole 40.
When the injection of urethane raw, first, plunger stem 78 is exited in radial hole 70, by polyol component and PIC composition to the interior ejection of radial hole 70.Particularly, via the 3rd fluid path 80, liquid is flowed in second liquid chamber 74, and make liquid from the interior outflow in second liquid chamber 74 via the 4th fluid path 82.Thus, plunger 24 is along making plunger stem 78 move from the direction exiting in radial hole 70, as shown in Figure 2, and plunger head 76 and guiding mechanism 84 butts.
In the injection device 10 of the state shown in Fig. 2, by exiting of plunger stem 78, each opening of polyalcohol feed path 86 and isocyanates feed path 90 is opened to the inside of radial hole 70, and each composition is from opening inside ejection to radial hole 70 with high pressure of each feed path 86,90.The opening of the opening of polyalcohol feed path 86 and isocyanates feed path 90 is relative as mentioned above, and the polyol component spraying with high pressure and PIC composition are as the interior swift and violent collision of radial hole that arrow is shown in 70 of Fig. 2.Thus, polyol component and PIC composition are mixed effectively, promote the reaction of two kinds of compositions.In addition, utilize guiding mechanism 84 to adjust the amount of exiting of plunger stem 78, so that each opening of polyalcohol discharge path 88 and isocyanates discharge path 92 is not open due to exiting of plunger stem 78.
Then, to the polyol component of the inside ejection of radial hole 70 and PIC composition by plunger 24 from radial hole 70 to through hole 40 pushings.Particularly, via the 4th fluid path 82, liquid is flowed in second liquid chamber 74, and make liquid from the interior outflow in second liquid chamber 74 via the 3rd fluid path 80.Thus, as shown in Figure 3, plunger 24 makes plunger stem 78 move to the direction entering in radial hole 70, to polyol component and the PIC composition of the inside ejection of radial hole 70, towards through hole 40, is pushed out.
In addition, when injecting urethane raw, cleaning rod 22 becomes the state moving to the top,, become the bar main part 52 that makes cleaning rod 22 from the largest the state exiting in through hole 40, under this state, the major part of the opening to through hole 40 of radial hole 70 is stopped up by the bar main part 52 of cleaning rod 22.Therefore, to the polyol component of the inside ejection of radial hole 70 and PIC composition via the lower end of bar main part 52 and radial hole 70 to the small gap between the opening of through hole 40 and to the inside ejection of through hole 40.Thus, polyol component and PIC composition, by small gap, are mixed thus effectively, promote the reaction of two kinds of compositions.In addition, utilize the amount of exiting of guiding mechanism 60 adjusting lever main parts 52, with the lower end at bar main part 52 and radial hole 70, between the opening of through hole 40, produce small gap.
As shown by arrows in Figure 3, from the polyol component to the small gap ejection between the opening of through hole 40 and the PIC composition of the lower end of bar main part 52 and radial hole 70, collide with the leading section 54 of cleaning rod 22 fiercely.Now, at least a portion of leading section 54 is positioned at the scope to through hole 40 openings of radial hole 70 on the bearing of trend of cleaning rod 22.Thus, polyol component and PIC composition are further mixed, and promote the reaction of two kinds of compositions.And, by the collision of forward end 54, the emission direction of polyol component and PIC composition becomes along the direction of the axis direction of through hole 40, become the direction towards the opening of through hole 40, well-mixed urethane raw, from the bottom ejection of housing 20, is injected in shaping mould.
Like this, by 24 1 stroke action of plunger, the urethane raw of ormal weight is injected in shaping mould.And, after injecting urethane raw, utilize the inside of cleaning rod 22 cleaning through holes 40.Particularly, via first liquid path 56, liquid is flowed in first liquid chamber 38, and make liquid from the interior outflow in first liquid chamber 38 via second liquid path 58.Thus, cleaning rod 22 moves to the direction that bar main part 52 is entered in through hole 40.Thus, bar main part 52 enters with the state of the inside sliding-contact with through hole 40, and the urethane raw that is attached to the inwall of through hole 40 is cleaned by bar main part 52.
And the club head 50 that moves through of cleaning rod 22 stops with main part 30 butts as shown in Figure 4.At this state, under the state that bar main part 52 enters in through hole 40 the largelyst, the lower end of bar main part 52 is positioned at the lower end of through hole 40, and the inside of through hole 40 is suitably cleaned to front end by bar main part 52.
In addition, the urethane raw being cleaned by bar main part 52 drops in finishing die or forward end 54 flows.The urethane raw that flow to leading section 54 from bar main part 52 flow to the sharp front end of leading section 54 along the side of the leading section 54 of cone shape, from this front end, fall in finishing die.The urethane raw that flow to leading section 54 is coniform because of being shaped as of leading section 54, so promptly drop in finishing die, can suitably remove the urethane raw that remains in cleaning rod 22.
(comparison of this urethane raw injection device and other urethane raw injection device)
In injection device 10, utilize to form cone shape leading section 54, suppress as mentioned above the diffusion of the ejection of urethane raw, and can prevent remaining at the urethane raw of cleaning rod 22.With respect to the injection device 10 that is provided with such leading section 54, with the injection device 100 that is not provided with cone shape leading section as a comparative example, in Fig. 5 and Fig. 6, represent.Therefore the injection device 100 of comparative example, except not having leading section 54, is the formation same with injection device 10, and the explanation relevant to inscape omitted, and for the ejection of urethane raw and the cleaning of urethane raw of injection device 100, describes.In addition, for the inscape of identical function, use identical label.
In the injection device 100 of comparative example, to the polyol component of the inside ejection of radial hole 70 and PIC composition by plunger 24 from radial hole 70 when through hole 40 is released, as shown in Figure 5, via the lower end of bar main part 52 be the lower end of cleaning rod 22 and radial hole 70 to the small gap between the opening of through hole 40 and to the inside ejection of through hole 40.Thus, polyol component and PIC composition collide with the inwall of through hole 40 fiercely as shown in the arrow of Fig. 5.And the bounce-back because the inwall with through hole 40 collides, collides to inwall repeatedly several times, from the lower end ejection of through hole 40.Thus, in the injection device 100 of comparative example, the polyol component of ejection and PIC composition are that urethane raw easily spreads.Therefore,, for suppressing to the imposing manner of the ejection of through hole 40, need to reduce the spray volume once based on plunger 24.
In addition, in the injection device 100 of comparative example, after injecting urethane raw, while utilizing the inside of cleaning rod 22 cleaning through holes 40, as shown in Figure 6, bar main part 52 enters with the state of the inside sliding-contact with through hole 40, and the urethane raw that is attached to the inwall of through hole 40 is cleaned by bar main part 52.And the urethane raw being cleaned by bar main part 52 drops in finishing die, or flow to the front end face of bar main part 52.The front end face of bar main part 52 forms smooth face, and the urethane raw that flow to this smooth face is difficult to fall, and as shown in Figure 6, easily remains in the front end face of bar main part 52.Like this, the urethane raw that remains in the front end face of bar main part 52 may fall in the unexpected moment, and polluted finishing die etc.Particularly, likely, when the injection in finishing die finishes and to injecting urethane raw in next finishing die, injection device 100 is moved, urethane raw drips from the front end face of bar main part 52, thereby pollutes finishing die etc.
On the other hand, in the injection device 10 of embodiment, utilize the emission direction of the urethane raw of leading section 54 conversion from radial hole 70 to through hole 40 interior fierce ejections, carry out rectification, can suppress thus the diffusion of urethane raw.Thus, the spray volume once that plunger 24 carries out can be increased, productivity can be improved.In addition, can make the urethane raw that flow to leading section 54 in finishing die, fall rapidly, suitably remove the urethane raw that remains in cleaning rod 22.Like this, in the injection device 10 of embodiment, as long as cone shape leading section 54 is installed at the front end of bar main part 52, just can greatly improve practicality.
In addition, in the above-described embodiments, injection device 10 is examples for urethane raw injection device, and cleaning rod 22, plunger 24, through hole 40, the radial hole 70 that forms injection device 10 is cleaning rod, plunger, ejection path, mixes the example with path.The bar main part 52 of this cleaning rod 22, leading section 54 are examples for main part, leading section.
In addition, the invention is not restricted to above-described embodiment, the knowledge based on those skilled in the art, can implement to have implemented the variety of way of various changes, improvement.Particularly, for example, in the above-described embodiments, the shape of the leading section 54 of cleaning rod 22 forms coniform, so long as cone shape can adopt the various shapes such as polygonal cone.Particularly, for example, as shown in Figure 7, can adopt the injection device 112 that the leading section 110 of triangle taper is installed at the leading section of bar main part 52, in injection device 112, also can obtain the effect same with the injection device 10 of above-described embodiment.
In addition, the polyol component of above-described embodiment so long as be often used as the composition of urethane raw, can list such as PEPA, PPG etc.In addition, PIC composition, also so long as be typically used as the composition of urethane raw, can list such as aromatic isocyanate, aliphatic isocyanates, alicyclic isocyanate etc.In addition, as urethane raw, except adding these polyol components and PIC composition, also can add blowing agent, catalyst, crosslinking agent, surfactant etc.
Claims (5)
1. a urethane raw injection device, injects the urethane raw consisting of polyol component and PIC composition to finishing die, it is characterized in that possessing:
Ejection path, it for spraying urethane raw in finishing die;
Mixing path, it is connected in this ejection path midway, and polyol component and PIC composition are ejected with high pressure respectively;
Plunger, it is arranged at this mixing with in path, and releases polyol component and the PIC composition with high pressure ejection to described ejection path; And
Cleaning rod, it is arranged in described ejection path, for cleaning in the described ejection path to after ejection urethane raw,
Described cleaning rod has: main part, and it is the state advance and retreat with the inwall sliding-contact with described ejection path at described ejection path; And from the leading section of the continuous taper shape of this main part.
2. urethane raw injection device as claimed in claim 1, is characterized in that,
Described cleaning rod the largest while entering in described ejection path, described main body section is in the front end of described ejection path.
3. urethane raw injection device as claimed in claim 1 or 2, is characterized in that,
Described leading section forms cone shape.
4. urethane raw injection device as claimed in claim 1 or 2, is characterized in that,
At described cleaning rod, from described ejection path during the largest exiting, at least a portion of described leading section is positioned at the scope of the opening to described ejection path of path for described mixing on the bearing of trend of described cleaning rod.
5. urethane raw injection device as claimed in claim 1 or 2, is characterized in that,
Described ejection path and described mixing are substantially vertical with path.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012103207A JP5940362B2 (en) | 2012-04-27 | 2012-04-27 | Urethane raw material injection equipment |
| JP2012-103207 | 2012-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203472030U true CN203472030U (en) | 2014-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320224983.8U Expired - Fee Related CN203472030U (en) | 2012-04-27 | 2013-04-27 | Polyurethane raw material injection device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5940362B2 (en) |
| CN (1) | CN203472030U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111152410A (en) * | 2019-12-26 | 2020-05-15 | 贵池区浩宇网络信息服务部 | Automobile lamp housing mold with deburring function |
| CN113942165A (en) * | 2021-10-27 | 2022-01-18 | 成都东日瑞姆机械有限公司 | Mixing head capable of adding powder particles and powder particle adding method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7183088B2 (en) * | 2019-03-20 | 2022-12-05 | 株式会社東芝 | pump |
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| JPS62158008A (en) * | 1985-12-30 | 1987-07-14 | Polyurethan Eng:Kk | Mixing equipment for multi-component synthetic resin |
| JPH042010Y2 (en) * | 1987-07-21 | 1992-01-23 | ||
| JPH01112920U (en) * | 1988-01-27 | 1989-07-28 | ||
| JP3117794B2 (en) * | 1992-05-29 | 2000-12-18 | アラコ株式会社 | Vent hole cleaning device for foaming mold |
| JP3575815B2 (en) * | 1993-07-30 | 2004-10-13 | テイ・エス テック株式会社 | Head device for multi-component mixing |
| JP3983525B2 (en) * | 2001-11-26 | 2007-09-26 | 株式会社ブリヂストン | Urethane roller casting method |
| JP2003334828A (en) * | 2002-05-21 | 2003-11-25 | Toyo Tire & Rubber Co Ltd | Method for manufacturing foamed molding |
| DE102006009117A1 (en) * | 2006-02-24 | 2007-09-06 | Krauss-Maffei Kunststofftechnik Gmbh | Mixing head with creep stop on cleaning piston |
| EP2318190B1 (en) * | 2009-04-22 | 2012-03-28 | Panasonic Corporation | Mixing discharge device |
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- 2012-04-27 JP JP2012103207A patent/JP5940362B2/en not_active Expired - Fee Related
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111152410A (en) * | 2019-12-26 | 2020-05-15 | 贵池区浩宇网络信息服务部 | Automobile lamp housing mold with deburring function |
| CN113942165A (en) * | 2021-10-27 | 2022-01-18 | 成都东日瑞姆机械有限公司 | Mixing head capable of adding powder particles and powder particle adding method |
| CN113942165B (en) * | 2021-10-27 | 2022-05-20 | 成都东日瑞姆机械有限公司 | Mixing head capable of adding powder particles and powder particle adding method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5940362B2 (en) | 2016-06-29 |
| JP2013230590A (en) | 2013-11-14 |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20140312 Termination date: 20210427 |