CN101987496B - Foam forming device - Google Patents

Abstract

The invention provides a mold cooling device in a foam forming device, the loading and unloading operation of a back plate does not need to be carried out for adjusting the configuration of a cooling pipe in a mold mounting frame when replacing a mold, and the replacement operation of the mold can be effectively carried out under the situation of not adjusting the configuration of the cooling pipe. The mold cooling structure is provided with a plurality of pipe accommodating grooves (7) which are parallel mutually on the inner surface of the back plate (4) of the mold mounting frame (1A), a plurality of cooling branch pipes (8b) of cooling water ejection holes (9), which are provided with openings facing to the back surface of the mold are accommodated in the pipe accommodating grooves (7), cooling water which is supplied through a cooling main pipe (8a) which is connected and communicated with the cooling branch pipes (8b) is ejected to the mold from the cooling water ejection holes (9), when the mold is replaced, the back plate (4) does not need to be unloaded, thereby leading prop stays of the new mode to be in butt joint and be clamped and stopped on the inner surface of the back plate (4).

Description

Foam forming device

Technical field

The present invention relates to and a kind ofly make it foam and obtain in the foaming forming apparatus of formed products, the cooling device for cooling mould before taking out formed products heating foaminess resin particles such as the preparation expanded particles be filled in mould.

Background technology

Foam forming device is configured to difference installation mold installing rack on fixed form (die plate) and moving die plate, steam is sent into the vaporium in described mould installing rack, carrying out heating to foaminess resin particles such as the preparation expanded particles be filled in mould makes it foam, carry out foaming and molding thus, after foaming and molding, from the cooling tube be configured in vaporium, cooling water injection is cooled to mould, then, formed products is taken out in die sinking, in addition, when the product that foaming and molding is different, foam forming device is configured to after taking out mould installing rack from template, carry out so-called external treatment operation (outer section gets り operation), namely the mould installed on above-mentioned mould installing rack is removed, change with the mould corresponding to this shape of product.

This external treatment operation is not simply relative to mould installing rack handling mould, but carry out the part of liner (packing) class subsidiary on mould installing rack etc. is carried out to safeguard replacing, carries out the cleaning of mould, carries out the adjustment operation of the configuration status of the general cooling tube be made up of copper pipe configured in mould installing rack, carries out the reconditioning work etc. of bad position, need expensive man-hour, the quality of this operation can bring very large impact to the quality of product.

In addition, mould presses the distortion caused in order to prevent in when heating is shaped, at the projecting pillar in its back side, and this pillar is locked on be fixed on the rear plate (back plate) on the backside openings end of mould installing rack, therefore, when cooling tube is configured in mould installing rack, need while avoid the allocation position of above-mentioned pillar, while be configured, and, after configuring this cooling tube, when rear plate is arranged on mould installing rack, also must be noted that while add cooling tube with this rear plate and pillar, while carry out the installation exercise of rear plate, the handling operation required time of this rear plate becomes large relative to ratio shared by external treatment operation required time, the efficiency of die change operation significantly declines.

And then, the main purpose forming the above-mentioned cooling tube of equipment for cooling die is to carry out uniform water-cooled to mould comprehensively, but in order to reach this object, present situation be such as when to be fixed in mould installing rack and various mould jointly use bending cooling tube freely, after unloading during plate, correspond to the size, shape etc. of the mould installed in mould installing rack, operator rule of thumb carries out the bending adjustment of cooling tube with intuition.

On the other hand, Homogeneous cooling can be carried out all the time, the equipment for cooling die also in known a kind of foam forming device adopting special cooling tube on each mould to correspond to the mould of replacing.Such as, in the equipment for cooling die described in patent document 1, record a kind of cooling body, consist of the back side shape along the mould installed in mould installing rack, in vaporium, configure cooling tube and snorkel and hocket from the water-cooled of cooling tube and air-cooled from snorkel, in the foam forming device described in patent document 2, disclose a kind of cooling device, it possesses the cooling tube of the cooling tube at the cooling die back side and the perisporium of cooling die in vaporium.

But, although any one device above-mentioned all has can the effect of Homogeneous cooling mould, but according to the former cooling body, not only owing to configuring cooling tube but also configure snorkel in vaporium, so said external processing operation becomes more loaded down with trivial details, according to the cooling body of the latter, cooling tube is three-dimensionally configured in vaporium by the shape that must correspond to this mould when each more mold exchange, there is the replacing of cooling tube or adjusts the problem of operation needs significant time.

And then, in any one device, plate after must unloading when more mold exchange, avoid pillar installation site of mould etc. while cooling tube is configured in mould installing rack by the shape etc. corresponding to mould, as mentioned above, the handling operation required time of this rear plate accounts for the ratio change of external treatment operation required time greatly, the problem that the operating efficiency that there is die change declines.

Patent document 1: Japanese Laid-Open Patent Publication 59-78819 publication

Patent document 2: Japanese Unexamined Patent Publication 2003-71845 publication

Summary of the invention

The present invention puts in view of the above problems and proposes, its object is to provide the equipment for cooling die in a kind of foam forming device, it is when more mold exchange, do not need the handling operation carrying out rear plate to be used for the configuration of adjustment cooling tube in mould installing rack, the replacing operation of mould effectively can be carried out when the configuration adjustment not carrying out cooling tube, and can not just can cooling die by the impact at the configuration position of the pillar of mould.

In order to reach above-mentioned purpose, the feature of the equipment for cooling die in foam forming device of the present invention is, described foam forming device possesses:

Mould, described mould is assembled in mould installing rack in handling mode freely;

Rear plate, described rear plate is arranged on the openend of the rear side of mould installing rack, and the pillar that the back side being locked on above-mentioned mould is projecting; And

Vaporium, described vaporium is formed by the spatial portion between described rear plate and the mould back side;

The face relative with the mould back side of above-mentioned rear plate is provided with many pipe accommodating grooves, in these pipe accommodating grooves, receives cooling tube, described cooling tube is provided with multiple squit hole towards mould backside openings.

In equipment for cooling die in the foam forming device formed like this, following structure can be configured to: in the pipe accommodating groove of above-mentioned rear plate the cooling tube of storage comprise cooling supervisor and the length direction be responsible for along this cooling every fixed intervals many cooling arms side by side, the length direction making these cooling arms be formed as being responsible for relative to cooling is towards the state of right angle orientation, one end of cooling arm is responsible for cooling be communicated with, by airtight for the other end of cooling arm.

On the other hand, also following structure can be configured to: the cooling tube received in the pipe accommodating groove of above-mentioned rear plate comprises cooling supervisor and many cooling arms, described cooling supervisor flexagon becomes U-shaped, described many cooling arms are between the supervisor portion, both sides be parallel to each other that this cooling is responsible for, along supervisor portion, these both sides length direction every fixed intervals side by side, make these cooling arms both ends be communicated with supervisor portion, above-mentioned both sides.

In addition, in equipment for cooling die in above-mentioned foam forming device, it is characterized in that making the flexible pipe connection short tube installed on above-mentioned cooling supervisor be projected into outside by the inserting hole arranged on mould installing rack, and then, it is characterized in that, the end face diameter of the mould pillar after the groove width that above-mentioned rear plate is arranged to each pipe accommodating groove of juxtaposition is formed as being locked on plate less than 1/2 width.

Invention effect

According to the present invention, owing to arranging many pipe accommodating grooves on the rear plate of mould installing rack, and storage is provided with towards the cooling tube of multiple squit holes of mould backside openings in these pipe accommodating grooves, therefore, when die change, do not need to unload rear plate and avoid the pillar of this mould while the configuration carrying out cooling tube adjusts such pipe distribution operation needing to have proficiency, can provide a kind of mould pillar is reliably locked on rear plate and can utilizes being arranged at the cooling tube received in the pipe accommodating groove on this rear plate to the equipment for cooling die of the mould after cooling replacing.

So, due to the operation unloading rear plate can not be needed, so the man-hour of the external treatment operation comprising die change operation significantly can be cut down, in addition, cooling water is ejected on mould, so can improve the cooling effect of mould by multiple squit holes that the tube wall of the cooling tube that can configure in many pipe accommodating grooves arranged at rear plate runs through setting effectively.

And then, the above-mentioned cooling tube received in the pipe accommodating groove of rear plate comprises many cooling arms arranged side by side every fixed intervals on cooling supervisor and the length direction be responsible in this cooling, the length direction making these cooling arms be formed as being responsible for relative to cooling is towards the state of right angle orientation, one end of cooling arm is responsible for cooling be communicated with, by airtight for the other end of cooling arm, when having this matched tube structure, self-evident can simply to construct easily and correctly cooling tube to be configured in pipe accommodating groove corresponding with each pipe on rear plate, the cooling water being supplied to cooling supervisor can also be divided equably and flow to whole cooling arms arranged side by side, and spray cooling water from multiple squit holes that the tube wall at these cooling arms runs through setting equably to mold integral, can effectively cool.

The cooling tube received in the pipe accommodating groove of rear plate become by flexagon U-shaped cooling supervisor and between the supervisor portion, both sides be parallel to each other that this cooling is responsible for, length direction along supervisor portion, these both sides is formed every fixed intervals many cooling arms side by side, when the both ends of these cooling arms are communicated with supervisor portion, above-mentioned both sides, the cooling water by cooling supervisor supply can be sprayed to mould equably from these cooling arms arranged side by side.

In addition, be arranged in the cools body of above-mentioned cooling tube at flexible pipe connection short tube, make this flexible pipe connection short tube by be arranged on inserting hole on mould installing rack and outstanding outside when, can from device just cooling water supplying flexible pipe be connected to this flexible pipe connection short tube simply, by this connection, the cooling water feeding pipe reaching the above-mentioned cooling tube configured on rear plate can be formed.

The end face diameter of the mould pillar after the groove width that above-mentioned rear plate is arranged to each pipe accommodating groove of juxtaposition is formed as being locked on plate less than 1/2 width, when more mold exchange, even if the outstanding end face of this mould pillar is positioned on the pipe accommodating groove of rear plate, also the major part of this outstanding end face can be locked on the rear plate face of the surrounding of pipe accommodating groove, therefore, it is possible to form all the time with stable state by the mould installation constitution of pillar supporting on rear plate.

Now, when the external diameter of the cooling arm received in pipe accommodating groove is formed as the diameter larger than the degree of depth of pipe accommodating groove, although the part producing the perisporium of this cooling arm is given prominence to from pipe accommodating groove and stops the end face of mould pillar to be connected to the situation of rear plate, if but utilize the pipe formation cooling arm can pressing distortion of collapsing, even if the end face of mould pillar is positioned on pipe accommodating groove, also can while press the outstanding surrounding wall portion of the cooling arm given prominence to from pipe accommodating groove that collapses, while make cooling arm submerge in pipe accommodating groove and make the end face of mould pillar abut, be locked on rear plate.

Accompanying drawing explanation

Fig. 1 is the vertical broken side view of the major part of foam forming device;

Fig. 2 is the exploded perspective view of equipment for cooling die;

Fig. 3 is the stereogram of the rear plate with cooling tube;

Fig. 4 is the amplification cross-sectional view of its part;

Fig. 5 is the amplification vertical broken side view of the rear side of the mould installing rack possessing equipment for cooling die;

Fig. 6 is the part sectioned view of the state of storage cooling arm in shallow pipe accommodating groove;

Fig. 7 is the sectional view of the state engaging mould pillar on its groove;

Fig. 8 is the other forms of exploded perspective view representing equipment for cooling die;

Fig. 9 is the vertical broken side view arranging the state of pipe accommodating groove at the inner piece of rear plate;

In figure

1A, 1B-mould installing rack

2A-formpiston

2B-former

3-chamber

Plate after 4-

5-vaporium

6-pillar

7-pipe accommodating groove

8-cooling tube

8a-cools supervisor

8b-cools arm

9-cooling water squit hole

10-flexible pipe connection short tube

Detailed description of the invention

Below, accompanying drawings the specific embodiment of the present invention.Fig. 1 is the vertical broken side view of the major part of the foam forming device that the mode of carrying out die sinking is in the horizontal direction formed, foam forming device has and is formed as front rectangular box-like a pair mould installing rack 1A, 1B, at the relative open end of described mould installing rack 1A, 1B, the formpiston 2A with protuberance 2a and the former 2B with recess 2b is incorporated with respectively in handling mode freely, between the protuberance 2a and the recess 2b of former 2B of described formpiston 2A, be formed with chamber (formingspace) 3.

And then, at above-mentioned mould installing rack 1A, the openend of the rear side of 1B, be provided with the rear plate 4 of airtight for this openend rectangle relative to openend in handling mode freely respectively, 4, utilize mould installing rack 1A, plate 4 after these in 1B, the inner surface of 4 and formpiston 2A, confined space portion between the back side of former 2B forms vaporium 5, can to this vaporium 5 from outside by the steam of steam pipe (not shown) supply heating shaping, and make at formpiston 2A, the back side of former 2B is towards rear plate 4, the outstanding end face 6a of 4 projecting many pillars 6 is locked on and formpiston 2A, the rear plate 4 that the back side of former 2B is relative, on the above-mentioned inner surface of 4.

In addition, after these, the inner surface of plate 4,4 assembles the cooling device of formpiston 2A, former 2B respectively.This equipment for cooling die is formed as follows: on the inner surface of rear plate 4, arrange the pipe accommodating groove 7 that many of there is fixed intervals parallel side-by-side are straight, and in these pipe accommodating grooves 7, storage is towards the cooling tube 8 of relative mould back side injected cool but water.

Based on Fig. 2 of an example of the mould installing rack 1A side of expression one side, Fig. 3 describes the structure of this equipment for cooling die in detail, Fig. 2 is its exploded perspective view, Fig. 3 is the stereogram of the rear plate possessing cooling tube, on the inner surface relative with the back side of formpiston 2A of rear plate 4, each fixed intervals are carved and are provided with many pipe accommodating grooves 7 be parallel to each other in the horizontal direction, 7 ... 7, portion near the ora terminalis up and down that the upper and lower side of described pipe accommodating groove is formed into rear plate 4 and described pipe accommodating groove are in the vertical direction in long straight shape, on the other hand, cooling tube 8 cools arm 8b by cooling supervisor 8a and Duo Gen and forms, the length of cooling supervisor 8a is formed slightly shorter than the banner of rear plate 4, many cooling arm 8b are on the length direction of this cooling supervisor 8a, every with above-mentioned pipe accommodating groove 7, the spacing parallel arranging that interval between 7 is identical, cooling tube 8 is connected and composed in turn under following state, namely, above-mentioned cooling is made to be responsible for 8a towards horizontal direction, under the tube wall of this cooling supervisor 8a on side face, the upper end of the above-mentioned many cooling arm 8b in vertically direction is made to be responsible for cooling the state be communicated with in 8a.

And then, be responsible for that 8a links with cooling, the upper end of all cooling arm 8b that is communicated with from upper end backward the inner surface side of plate 4 bend, through this upper-end bent portion 8b ', cool arm 8b relative to cooling and be responsible for that 8a is at a right angle to hang down downwards.And, the length of cooling arm 8b and the length of above-mentioned pipe accommodating groove 7 roughly equal, and be formed as can being accommodated in pipe accommodating groove 7.

So be responsible for 8a in the upper end making many to cool arm 8b and link, be communicated with and be responsible for 8a and these cooled arm 8b relative to cooling and hang down and be set as in the cooling tube 8 of curtain shape with cooling, by cooling supervisor 8a along horizontal arrangement on the upper end inner surface of rear plate 4, and as shown in Figure 4, whole cooling arm 8b is received in the mode that can unload through its upper-end bent portion 8b ', is fixed on many pipe accommodating grooves 7,7 after being disposed in parallel on plate 4 ... in pipe accommodating groove 7 corresponding in 7, thus, equipment for cooling die is formed.

The groove width of above-mentioned each pipe accommodating groove 7 is formed as: the outstanding end face 6a of above-mentioned mould pillar 6 diameter less than 1/2nd and the width equal or slightly wider than the external diameter cooling arm 8b with the external diameter of cooling arm 8b.And the degree of depth of above-mentioned each pipe accommodating groove 7 is formed as equal with the external diameter cooling arm 8b or slightly darker than the external diameter cooling arm 8b size, thus cooling arm 8b entirety is accommodated the state of burying underground, but when cool arm 8b be copper pipe like that can conquassation distortion, as long as make the external diameter of this cooling arm of its depth ratio 8b shallow in advance.On the cooling arm 8b that these are all, from pipe accommodating groove 7 towards the tube wall part at the back side of mould, length direction and above-below direction run through every closely-spaced the multiple cooling water squit holes 9,9 being provided with and running through tube wall ... 9, and lower end as shown in Figure 5, covered by the cover 14 that can load and unload.Can reliably in scavenge pipe etc. by unloading this cover 14.And the diameter of the outstanding end face 6a of so-called mould pillar 6 refers to the positive diameter of a circle of the minimum diameter that can surround outstanding end face 6a.

If the diameter of these cooling water squit holes 9 is little, then there are the misgivings in the clogging hole of the impurity contained in cooling water, and run through that to arrange such diameter holes more difficult, on the other hand, if the diameter of cooling water squit hole 9 is large, the pressure being then difficult to maintain upper end in cooling arm 8b and bottom is equal, therefore, is preferably 0.5 ~ 1.5mm.

And then the total open area running through the cooling water squit hole 9 of setting at all cooling arm 8b is preferably set to 0.9 ~ 1.1 of the area of section of the pipeline in cooling supervisor 8a, guarantees the necessary water yield, and reliably maintain unit's pressure (unit's pressure).

In addition, in each cooling arm 8b, about the cooling water squit hole 9 running through setting, interval between 9, starting in the length thereof suitable with 30% of the length of this cooling arm 8b from the upper end of cooling arm 8b, the interval above-mentioned interval being set to 20mm becomes close to make the configuration density of cooling water squit hole 9, and compared with above-mentioned in the length thereof of 70% being equivalent to below, run through every 50mm interval and cooling water squit hole 9 is set, make the configuration density of cooling water squit hole 9 thinning thin, by such formation, can not because being ejected into formpiston 2A, mould bottom is made to become supercooling under the cooling water flow on the top of former 2B.And all cooling water squit holes 9 are run through is arranged to spray cooling water towards the state of oblique upper a little.

On the other hand, cooling supervisor 8a does not arrange cooling water squit hole, and the cooling water equalization point being configured to make to circulate therein flows to all cooling arm 8b, and on the tube wall of this cooling supervisor 8a, perimembranous is projecting upward two (also can be more than three) flexible pipe connection short tubes 10,10, flexible pipe connection short tube 10,10 is separated by predetermined distance, and their lower ends are communicated with in pipe.In the upper side frame portion of above-mentioned mould installing rack 1A, the interval identical with the interval of described flexible pipe connection short tube 10,10 that be separated by the lateral direction is run through and is provided with inserting hole 11,11, across liner (not shown), described flexible pipe connection short tube 10,10 is inserted in a fluid-tight manner in inserting hole 11,11 respectively, and connect cooling water supplying flexible pipe 12,12 in the upper end outstanding from mould installing rack 1A.

In addition, as the means rear plate 4 is arranged in handling mode freely on mould installing rack 1A, following means can be adopted: bolt mounting holes is set at the multiple position of peripheral part of this rear plate 4, on the other hand, at the open end of the rear side of mould installing rack 1A, screwed hole is set, in this screwed hole, be threaded through bolt mounting holes and the bolt 13 inserted, but other means can be adopted in addition.

In addition, in the mould installing rack 1B side of the opposing party, also carve at the inner surface of plate 4 thereafter as described above and be provided with many pipe accommodating grooves 7 be parallel to each other, pipe accommodating groove 7 has structure same as described above, and it is long in the vertical direction, carve every fixed intervals in the lateral direction and establish pipe accommodating groove 7, on the other hand, storage cooling arm 8b in these pipe accommodating grooves 7, make multiple cooling water squit holes 9 of arranging on the tube wall of cooling arm 8b towards the back side of former 2B thus be accommodated the state of burying underground, and make the upper end of the upper-end bent portion 8b ' of these cooling arms 8b be responsible for 8a every fixed intervals with cooling on the length direction of cooling supervisor 8a to link, be communicated with, by by such cooling supervisor 8a along rear plate 4 upper end internal surface configurations in the horizontal direction, form the equipment for cooling die with structure same as described above, by the two flexible pipe connection short tubes 10 installed on cooling supervisor 8a, 10 insert at the inserting hole 11 being arranged at side frame portion on mould installing rack 1B waterproofly, in 11, cooling water supplying flexible pipe 12 is connected in the nose portion outstanding from mould installing rack 1B, 12.

The mould installing rack 1A of above-mentioned pair of right and left, 1B is arranged in fixed form and movable template in handling mode freely respectively, when foaming and molding, as known in the art, after matched moulds, the protuberance 2a of formpiston 2A and the recess 2b of former 2B is utilized to form chamber 3, the foaminess resin particles such as preparation expanded particle are filled in chamber 3, afterwards, to vaporium 5, 5 supply steam also heat, make its second time of foaming, then, by the cooling supervisor 8a supply cooling water of cooling water flexible pipe 12 to cooling tube 8, from cooling supervisor 8a, cooling water is divided to flow at rear plate 4, in many cooling arm 8b of storage in the pipe accommodating groove 7 of 4, from these cooling water squit holes 9 cooling arm 8b to formpiston 2A, former 2B sprays cooling water, cool thus, cooling water after using etc. by with mould installing rack 1A, the lower side frame portion of 1B links, after the outlet 15 be communicated with is discharged, die sinking, take out expansion-molded article.

And foaminess resin particle is at synthetic resin particle impregnation physical blowing agent, the particle foamed by heating, also comprise the preparation expanded particle of preparation foaming.Wherein, in the present application, mainly make that preparation is foamed, so-called preparation expanded particle.

As the synthetic resin forming above-mentioned foaminess resin particle, such as there are the polystyrene resins such as polystyrene, impact resistant polystyrene (high impact polystyrene), styrene-ethylene copolymers, styrene-modified polyethylene system resin, styrene-maleic anhydride copolymer, SAN, the polyolefin-based resins such as polyethylene, polypropylene, ethylene-vinyl acetate copolymer, the polyester based resins etc. such as PETG.

And, as above-mentioned physical blowing agent, such as, there are the aliphatic hydrocarbons such as propane, butane, pentane, hexane; The alicyclic hydrocarbon type such as pentamethylene, cyclobutane; The halogenated hydrocarbon etc. such as Arcton 11, dicholorodifluoromethane, Dichlorotetrafluoromethane, trichorotrifluoroethane, chloromethane, carrene, chloric ethane.

In addition, when carrying out the replacing of mould, after formpiston 2A, former 2B being unloaded from mould installing rack 1A, 1B of pair of right and left, as long as it is upper new formpiston 2A, former 2B to be arranged on described mould installing rack 1A, 1B.Now, the rear plate 4,4 with cooling tube 8 need not be unloaded from mould installing rack 1A, 1B, the cooling device of the cooling tube 8 that plate 4,4 is in the rear arranged as this mould is directly used, the end face of the pillar 6 of the new mould changed of inner surface locking of plate 4,4 after utilizing, therefore, the external treatment operations such as the handling operation needing the pipe distribution operation of the cooling tube of certain proficiency, rear plate 4 can be carried out, can effectively and reliably carry out die change.

About the degree of depth of the above-mentioned pipe accommodating groove 7 that the inner surface of the rear plate 4 of the end face at locking mould pillar 6 is arranged, when cool arm 8b be copper pipe like that can conquassation distortion, as shown in Figure 6, the external diameter of this cooling arm of described depth ratio 8b can be made shallow, receive under the state that a part for the tube wall making cooling supervisor 8a is outstanding in vaporium 5 from the inner surface of rear plate 4.On the pipe accommodating groove 7 of the rear plate 4 formed like this, mould pillar 6 be crimped on relatively end face from the outstanding cooling arm 8b of this pipe accommodating groove 7 time, its pressing force is utilized the tube wall pressure of this pipe accommodating groove 7 to be collapsed, as shown in Figure 7, to grow crosswise elliptical shape while be plastic deformation to cross section, while submerge in pipe accommodating groove 7, the end face of mould pillar 6 can be made reliably to abut, be locked to the inner surface of rear plate 4.

Fig. 8 represents other embodiments of equipment for cooling die of the present invention, in the above-described embodiment, make cooling arm 8b arranged side by side in the lateral direction under the state in vertically direction, but in this embodiment, the structure of formation is being set up in parallel every fixed intervals in the vertical direction under the state of horizontal direction by cooling arm 8b.

Specifically, the cooling supervisor 8a of cooling tube has level cooling supervisor portion 8a1 and supervisor portion, both sides 8a2, 8a2, the at right angles to warpage and form described both sides supervisor portion 8a2 downward at the both ends of level cooling supervisor portion 8a1, 8a2, level is cooled supervisor portion 8a1 and supervisor portion, both sides 8a2, 8a2 is arranged to one and forms cooling supervisor 8a, so cooling supervisor 8a is formed as " コ " shape, supervisor portion, both sides 8a2 on this cooling supervisor portion 8a1, between 8a2, many cooling arm 8b of juxtaposition are configured with in the vertical direction every fixed intervals, make two ends and supervisor portion, the both sides 8a2 of these cooling arms 8b, 8a2 links, be communicated with, on the other hand, on the inner surface of rear plate 4, with juxtaposition in the vertical direction, carve every the interval identical with the interval of above-mentioned cooling arm 8b and be provided with pipe accommodating groove 7 ' straight in the horizontal direction, pipe accommodating groove 7 ' has the length in portion near two side ends that two ends are formed into described rear plate 4, make the level cooling supervisor portion 8a1 and supervisor portion, both sides 8a2 of the cooling supervisor 8a being formed as " コ " shape, 8a2 is formed as the state from the upper end of the inner surface of rear plate 4 along both side ends, all cooling arm 8b are accommodated in the mode that can unload and are located at many pipe accommodating grooves 7 ' on rear plate 4, 7 ' ... in pipe accommodating groove 7 ' corresponding in 7 ', be fixed thus form equipment for cooling die.

And, the both ends of all cooling arm 8b are towards the inner surface curving of rear plate 4, relative to the cooling supervisor 8a of " コ " shape that the inner surface along rear plate 4 configures, all cooling arm 8b are accommodated in pipe accommodating groove 7 ', 7 ' by its bending two ends portion 8b ', 8b ' ... in 7 '.On cooling arm 8b towards on the tube wall in mould direction, be provided with multiple cooling water squit hole 9 every closely-spaced running through in their length direction, but also cooling water squit hole 9 can be set on cooling supervisor 8a.

Perimembranous on the tube wall of the level cooling supervisor portion 8a1 of this cooling supervisor 8a, same with above-mentioned equipment for cooling die, be arranged in the prominent part of upward the flexible pipe connection short tube 10,10 of two (also can be more than three), flexible pipe connection short tube 10,10 is separated by the interval of regulation on the length direction (left and right directions) of level cooling supervisor portion 8a1, and lower end and this level cool, and supervisor portion 8a1 is inner to be communicated with.In the upper side frame portion of mould installing rack 1A (1B), the interval identical with the interval of described flexible pipe connection short tube 10,10 that be separated by the lateral direction is run through and is provided with inserting hole 11,11, across liner (not shown), described flexible pipe connection short tube 10,10 is inserted in a fluid-tight manner in inserting hole 11,11 respectively, and connect cooling water supplying flexible pipe 12,12 in the upper end outstanding from mould installing rack 1A (1B).

Mould installing rack 1A, 1B of possessing the pair of right and left of the equipment for cooling die formed like this are same with the cooling device of above-mentioned mould when die change, be predisposed to and do not need to unload from mould installing rack 1A, 1B and the state of installing, the end face of the pillar 6 of the new mould changed of inner surface locking of plate 4,4 after utilizing.

And, above-mentioned cooling supervisor 8a, the diameter of cooling arm 8b, the diameter of the cooling water squit hole 9 of setting etc. is run through identical with above-mentioned embodiment at cooling arm 8b, but the spacing running through setting of cooling water squit hole 9 is arranged with fixed intervals relative to the length direction of pipe, on the other hand, be equivalent to overall radical 30% top and in many that establish cooling arm 8b, reduce the spacing running through setting of cooling water squit hole 9, be equivalent to overall radical 70% bottom and in many that establish cooling arm 8b, what make the spacing running through setting of cooling water squit hole 9 be greater than the cooling water squit hole 9 of above-mentioned upper side runs through setting space, making can not because of to formpiston 2A, the supercooling of mould bottom is caused under the cooling water flow of the top injection of former 2B.In addition, all cooling water squit holes 9 are preferably run through to be arranged to cooling water to spray towards the state of oblique upper a little.

And then, in any one embodiment above, illustrate the mode of inner surface pipe accommodating groove 7,7 ' being set directly at rear plate 4, but also can be configured to as shown in Figure 9, paste at the inner surface of rear plate 4 and there is certain thickness inner piece 4 ', this inner piece 4 ' arranges pipe accommodating groove 7,7 ', and engages the outstanding end face of mould pillar 6.

In above-mentioned equipment for cooling die, for plate 4,4 after the openend of mould installing rack 1A, 1B is installed in handling mode freely, the inner surface of the both sides of plate 4,4 in the rear arranges pipe accommodating groove 7,7 ', the situation of receiving cooling tube in these pipe accommodating grooves 7,7 ' is illustrated, but can also after the openend of mould installing rack 1A, 1B is installed in handling mode freely plate 4,4, the inner surface of any one the rear plate 4 in the rear in plate 4,4 arranges pipe accommodating groove 7,7 ', in these pipe accommodating grooves 7,7 ', receives cooling tube.

Claims (3)

1. a foam forming device, is characterized in that,

Described foam forming device possesses:

Mould, described mould is assembled in mould installing rack in handling mode freely;

Rear plate, described rear plate is arranged on the openend of the rear side of mould installing rack, and the pillar that the back side being locked on above-mentioned mould is projecting; And

Vaporium, described vaporium is formed by the spatial portion between described rear plate and the mould back side;

The face relative with the mould back side of above-mentioned rear plate is provided with many pipe accommodating grooves grown in the vertical direction, the cooling tube received in these pipe accommodating grooves is that the cooling arm be connected is responsible for cooling every the spacing parallel arranging identical with described pipe accommodating groove in its upper end by the length direction be responsible in the cooling of the upper end inner surface horizontal arrangement along described rear plate, the upper end of described cooling arm bends towards the inner surface side of rear plate and forms upper-end bent portion from be responsible for cooling the upper end that is connected, thus by this upper-end bent portion, whole cooling arms is accommodated in corresponding pipe accommodating groove, in addition, whole cooling arms is provided with multiple cooling water squit hole towards mould backside openings, and, start at from the upper end of each cooling arm be equivalent to length 30% length thereof in the configuration density of cooling water squit hole that arranges become close, the configuration density of the cooling water squit hole arranged in the length thereof of by comparison below being equivalent to 70% is thinning dredges.

2. foam forming device as claimed in claim 1, is characterized in that,

Cooling supervisor installs flexible pipe connection short tube, and this flexible pipe connection short tube is projected into outside by the inserting hole arranged on mould installing rack.

3. foam forming device as claimed in claim 1, is characterized in that,

The end face diameter of the mould pillar after the groove width that rear plate is arranged to each pipe accommodating groove of juxtaposition is formed as being locked on plate less than 1/2 width.