CN203046179U - Bidirectional compression mould - Google Patents

Bidirectional compression mould Download PDF

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Publication number
CN203046179U
CN203046179U CN 201220333258 CN201220333258U CN203046179U CN 203046179 U CN203046179 U CN 203046179U CN 201220333258 CN201220333258 CN 201220333258 CN 201220333258 U CN201220333258 U CN 201220333258U CN 203046179 U CN203046179 U CN 203046179U
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compression
vertical
transverse
mold cavity
piece
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黄汉雄
田家栋
关伟盛
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South China University of Technology SCUT
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South China University of Technology SCUT
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Abstract

The utility model provides a bidirectional compression mould. The bidirectional compression mould comprises a movable template, a movable mould fixing plate, a fixed template, a fixed mould fixing plate, a mould cavity block assembly and a compression block assembly, wherein the mould cavity block assembly comprises a vertical mould cavity block and a horizontal mould cavity block; the compression block assembly comprises a vertical compression block and a horizontal compression block; and the fixed mould fixing plate, the mould cavity block assembly and the compression block assembly form a closed mould cavity, and the volume of the mould cavity is changed by virtue of relative movement of the vertical mould cavity block, the vertical compression block, the horizontal mould cavity block and the horizontal compression block in the vertical direction and the horizontal direction. According to the bidirectional compression mould, the volume of the mould is changed in vertical and horizontal directions, and compression in one direction or two directions is realized according to requirements, so that the high compression requirements of a product can be met.

Description

A kind of bi-directional compression mould
Technical field
The utility model relates to Tool and Die Technology, particularly a kind of bi-directional compression mould.
Background technology
At present, utilizing mould to come in the process of moulded products, in some cases, need compress moulding material and could guarantee the preferred article quality.As in traditional macromolecule material product process of injection molding, macromolecule melt is made a bet at higher pressure and is injected in the closed fully mold cavity, because have bigger residual stress in the moulded products, warpage can appear in goods, problems such as dimensional stability variation.The injection compression molding technology can address the above problem preferably, and in injection compression molding, melt at first injects in the die cavity of first closure, melt in injection process or injection to finish the back compressed, cooling forming in closed fully die cavity afterwards.Compare with traditional injection moulding, injection compression molding has the melt of improvement mold filling performance, reduces injection pressure and clamp force, reduces goods residual stress and advantages such as warpage, raising goods global density uniformity.The injection compression mainly realizes at mould, mostly existing injection-compression mould is on the one dimension direction melt to be compressed, and is that the injection-compression mould of the patent disclosure of ZL 02802531.8 can only be compressed (as shown in Figure 1) to melt as the patent No. on the products thickness direction.This unidirectional compression mainly along the products thickness direction with the melt compacting, goods are shunk at thickness direction reduce, dimensional stability improves, the improvement of these performances of goods does not then have thickness direction so obvious on width.In addition, can only carry out the unidirectional excursion that has also limited mold cavity volume to a certain extent that is compressed in.
The microporous foam high molecular products is than physical article, and its mechanical property is kept substantially even can be improved when reducing material usage, is therefore just more and more used.The micropore injection moulding foaming technique has become microporous foam high molecular products forming method with fastest developing speed because of reasons such as its molding cycle shortens greatly, environmental friendliness.Yet in existing micropore injection moulding process, along all having shearing deformation and thermograde on products thickness direction and the melt mold filling flow direction, thereby be difficult to control the foam structure of microporous foam goods inside.And the physical and mechanical property of microporous foam goods depends on its foam structure to a great extent, therefore, how to realize the effective regulation and control to foam structure, and then the combination property of improving the microporous foam high molecular products seems particularly important.Similar above-mentioned principle analysis if the melt of microporous foam is compressed, then can improve the combination property of microporous foam high molecular products; But adopt existing unidirectional compress technique still not ideal enough to the control of the microporous foam of non-compression direction, if can realize that two-way compression will have important facilitation to the quality raising of moulded products.
The utility model content
The shortcoming that the purpose of this utility model is to overcome prior art provides a kind of and can realize the bi-directional compression mould that mold cavity volume changes at the vertical and horizontal two-dimensional direction with not enough; The so-called melt that vertically refers to injects the direction of die cavity, is positioned at horizontal plane; So-called laterally refer to vertically be positioned at same horizontal plane and with vertically perpendicular direction.That this bi-directional compression mould has is rational in infrastructure, flexible and convenient operation, applicability are strong, can effectively improve the advantage of goods combination property.
The purpose of this utility model is achieved through the following technical solutions:
A kind of bi-directional compression mould comprises moving platen, dynamic mould fixing plate, solid plate, cover half fixed head, mold cavity block assembly, compression blocks assembly; Described mold cavity block assembly comprises vertical mold cavity block and transverse mode control piece; Described compression blocks assembly comprises vertical compression blocks and transverse compression piece; Described cover half fixed head, mold cavity block assembly and compression blocks assembly constitute the die cavity of sealing, and by described vertical mold cavity block, vertically compression blocks and transverse mode control piece, transverse compression piece be vertically and the change that relatively moves to realize mold cavity volume transversely.
Described vertical mold cavity block is divided into two groups, all is connected with dynamic mould fixing plate, is provided with vertical compression spring between two groups of vertical mold cavity block, described vertical compression both ends of the spring and two groups of vertical mold cavity block phase apical graftings; One side of described vertical compression blocks is fixedlyed connected with dynamic mould fixing plate, and vertically the opposite side of compression blocks stretches in the groove of offering on the cover half fixed head, laterally die cavity is being sealed; Described transverse compression piece is between dynamic mould fixing plate and cover half fixed head and be arranged on a side of vertical compression blocks, described transverse compression piece is connected with vertically compression blocks is chimeric, vertically die cavity is being sealed, simultaneously between transverse compression piece and vertical compression blocks, be provided with the transverse compression spring, described transverse compression both ends of the spring respectively with transverse compression piece and vertical compression blocks phase apical grafting; Described transverse mode control piece holds out against the transverse compression piece under the effect of lateral dynamics device, laterally die cavity is being sealed, and under the driving of lateral dynamics device, transverse mode control piece and transverse compression piece are mobile simultaneously, to change the volume of die cavity.
Especially, described vertical mold cavity block quantity is 6, is divided into two groups, is provided with vertical compression spring between corresponding vertical mold cavity block in two groups; Described transverse mode control number of blocks is 2, is provided with vertical compression spring between 2 transverse mode control pieces; Described transverse mode control piece is provided with transverse groove, passes the connector (as double-screw bolt, screw) that transverse groove be used for to connect transverse mode control piece and dynamic mould fixing plate to dodge, and makes the transverse mode control piece can be along horizontal movement.
Especially, described vertical compression blocks is connected with the chimeric matched in clearance that is connected to of transverse compression piece, be provided with the transverse compression spring between the two, can relatively move, and vertically the ultimate range that relatively moves of compression blocks and transverse compression piece less than the length of transverse groove on the transverse mode control piece.
The groove of offering on the described cover half fixed head with vertically between the compression blocks for matched in clearance is connected, can relatively move, and the distance between bottom portion of groove and the vertical compression blocks is greater than the distance between two groups of vertical mold cavity block.
Described transverse compression piece is equipped with ejection assembly, and described ejection assembly and transverse compression piece are along horizontal same moved further; Described ejection assembly comprises push rod, spring, push rod baffle plate and push rod fixed head; One end of described push rod passes spring and stretches in the die cavity by the transverse compression piece, and the other end of push rod passes the push rod baffle plate and is connected with the push rod fixed head by dynamic mould fixing plate; Described push rod fixed head is connected with the liftout attachment of outside; Can under the effect of liftout attachment, drive push rod and stretch in the die cavity, in type goods are ejected.
Described lateral dynamics device comprises horizontal push pedal and horizontal actuator, laterally actuator is connected with horizontal push pedal, the parallel transverse mode control piece outside that is installed on of described horizontal push pedal, under the effect of horizontal actuator, the transverse mode control piece is applied lateral thrust, described transverse mode control piece holds out against the transverse compression piece under the effect of lateral thrust, and can move to change the size of die cavity simultaneously.
Described lateral dynamics device is installed on the dynamic mould fixing plate; Oil cylinder, cylinder or other device that can provide straight line to move specifically are provided.
Two groups of vertical mold cavity block wherein one group be provided with lead, described lead passes another and organizes pilot hole on vertical mold cavity block, dynamic model part and cover half accurate contraposition partly in the time of can guaranteeing that mould is closed.
Be provided with cooling water channel in described vertical mold cavity block, be used for feeding cooling fluid goods in the die cavity are cooled off.
This bi-directional compression mould also comprises running gate system, and described running gate system comprises sprue bush, and described sprue bush passes solid plate and the cover half fixed head is connected with die cavity.
A kind of bi-directional compression method of utilizing above-mentioned bi-directional compression mould to realize, by the simultaneously operating to vertical mold cavity block, vertical compression blocks and transverse mode control piece, transverse compression piece, on vertical and horizontal, only in the vertical or only realize the change of mold cavity volume in the horizontal, and then the stretching flow field in the change die cavity and shearing flow field, make cooling and shaping in the die cavity of melt after compression.
This bi-directional compression method specifically can comprise the steps:
(1) make connectors such as moving platen, dynamic mould fixing plate and the mold cavity block assembly of bi-directional compression mould and compression blocks assembly move to vertical initial position of setting;
(2) with step (1) simultaneously, laterally actuator promotes horizontal push pedal and moves, and makes transverse mode control piece and transverse compression piece move to the horizontal initial position of setting; Mold cavity block assembly, compression blocks assembly and cover half fixed head form the die cavity of sealing jointly at this moment;
(3) by running gate system melt is injected above-mentioned die cavity; In the melt injection process or after the injection end, set parameters such as vertical and horizontal compression stress, compression distance and compression speed, drive moving platen and horizontal push pedal macromolecule melt is indulged/horizontal unidirectional or bi-directional compression (laterally the movement of push pedal was finished before the moving platen mobile end); Be closed in the melt cooling and shaping in the die cavity;
(4) moving platen, dynamic mould fixing plate and mold cavity block assembly and compression blocks assembly etc. return initial position, finish vertical die sinking action; Ejection assembly ejects cooled goods from die cavity, laterally push pedal is returned initial position under the effect of horizontal actuator, and ejection assembly, mold cavity block assembly and compression blocks assembly all return initial position under the effect of spring, finish an injection cycle.
Above-mentioned bi-directional compression mould and implementation method also can be used for the micropore injection moulding of high molecular products except being used for the injection compression molding of high molecular products.
Use the method for above-mentioned bi-directional compression mould and implementation method regulation and control microporous foam high molecular products foam structure, concrete steps are:
(1) at first with macromolecule melt and the mixing formation single phase soln of supercritical fluid (supercritical carbon dioxide or overcritical nitrogen), and the die cavity of injection mould;
(2) during the mould first closure, die cavity is compressed fully, and mold cavity volume is relatively large, after this moment the single phase soln that forms being injected, cavity pressure is lower, and increase falls in the pressure when causing single phase soln to enter die cavity from the injection machine nozzle, thereby produces more gas nuclear; In addition, the space abundance that abscess is grown up after the nucleation, the resistance that is subjected to reduces, and therefore is conducive to growing up of abscess;
(3) die cavity in the melt injection process or injection begin after finishing compressed, smaller volume, because this moment, macromolecule melt also was not able to do in time to cool off fully, position and the shape, size of abscess in melt changes, and also is that foam structure changes along with constantly carrying out of die cavity compression.Final foam structure can change because of the different of technological parameter such as vertical and horizontal compression stress, compression distance and compression speeds.To different material systems, under suitable above-mentioned technological parameter, can form fine and close foam structure uniformly.
The utility model has following advantage and effect with respect to prior art:
(1) can realize simultaneously the change of mold cavity volume at the vertical and horizontal two-dimensional direction, with respect to existing unidirectional compress technique, cavity dimension of the present utility model can change at two-dimensional direction, this makes the change of mold cavity volume have greater flexibility and scope, different unidirectional or two-way compressions can be realized as required easily, the higher compression requirement of goods can be satisfied.
(2) rational in infrastructure; Though the utility model is significantly improved with respect to existing mold on function, its compact overall structure is reasonable, and volume is little, in light weight, there is no obvious difference with existing unidirectional compression mould at volume and weight; Mold cavity block assembly and compression blocks assembly are processed easily, and assembly precision height, interchangeability are good; And dismounting is safeguarded also very convenient.
(3) utilize the residual stress of the goods of the utility model injection moulding further to reduce, warpage reduces, and dimensional stability is improved significantly.
(4) utilize the utility model can effectively regulate and control the foam structure of microporous foam high molecular products inside, and modification scope is wide, can prepares the foaming product with dissimilar foam structures more conveniently; And the cell size distribution of foaming product inside narrows down, and can obtain fine and close more uniform foam structure.
Description of drawings
Fig. 1 is the structural representation of injection-compression mould among the existing patent ZL 02802531.8.
Fig. 2 is the schematic appearance of the utility model bi-directional compression mould.
Fig. 3 is the exploded view of the utility model bi-directional compression mould.
Fig. 4 is the structural representation of the utility model bi-directional compression mould, and wherein (a) is front view, (b) is vertical view.
Fig. 5 is the schematic diagram after mould first closure and melt inject die cavity, and wherein (a) is front view, (b) is vertical view.
Fig. 6 is the complete closure of mould and the melt schematic diagram after by bi-directional compression, and wherein (a) is front view, (b) is vertical view.
Among Fig. 7 (a) and (b) be respectively SEM (SEM) photo that adopts microporous foam polystyrene (PS) goods that the utility model method and existing micropore injection moulding method (mold cavity does not have compression) prepare.
Among Fig. 8 (a) and (b) show respectively (a) among Fig. 7 and (b) statistics of microporous foam PS goods cell size distribution.
Fig. 9 adopts the utility model method, and vertically compression stress is set at 60(a respectively), 62(b) and 64(c) during kN, the thickness of preparation is respectively 5,4 and the SEM photo of the microporous foam PS goods of 3mm.
Table 1 has been listed and has been adopted the microporous foam PS goods top layer of different vertical compression stresses preparations and the foam structure feature of sandwich layer among Fig. 9.
Above-mentioned each number in the figure is described as follows: the 1-moving platen; 2-push rod fixed head; The 3-dynamic mould fixing plate; 4-push rod baffle plate; The 5-push rod; The 6-spring; The vertical mold cavity block A of 71-; The vertical mold cavity block B of 72-; 73-transverse mode control piece A; The vertical mold cavity block C of 74-; The vertical compression blocks of 8-; 9-transverse compression piece; 10-transverse compression spring; The horizontal push pedal of 11-; The horizontal actuator of 12-; 13-vertically compresses spring; The vertical mold cavity block a of 141-; The vertical mold cavity block b of 142-; 143-transverse mode control piece a; The vertical mold cavity block c of 144-; 15-cover half fixed head; The 16-solid plate; The 17-sprue bush; 18,19,20,22-soket head cap screw; The 21-lead; The 23-die cavity; The 24-cooling water channel; The 25-transverse groove; The 26-groove; The 27-macromolecule melt.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment 1
Fig. 2~Fig. 4 shows concrete structure of the present utility model, and by Fig. 2~Fig. 4 as seen, the utility model bi-directional compression mould comprises moving platen 1, dynamic mould fixing plate 3, solid plate 16, cover half fixed head 15, mold cavity block assembly, compression blocks assembly; Described mold cavity block assembly comprises vertical mold cavity block (71,72,74,141,142 and 144) and transverse mode control piece (73 and 143); Described compression blocks assembly comprises vertical compression blocks 8 and transverse compression piece 9; Described cover half fixed head 15, mold cavity block assembly and compression blocks assembly constitute the die cavity 23 of sealing, and by described vertical mold cavity block (71,72,74,141,142 and 144), vertically compression blocks 8 and transverse mode control piece (73 and 143), transverse compression piece 9 be in the change that relatively moves to realize die cavity 23 volumes that vertically reaches transversely.
Described vertical mold cavity block quantity is 6, all be connected with dynamic mould fixing plate 3 by soket head cap screw 19, it is divided into vertical mold cavity block A71, vertically mold cavity block B72 and vertically mold cavity block C74 and vertically mold cavity block a141, vertically mold cavity block b142 and vertical totally two groups of mold cavity block c144, be provided with vertical compression spring 13, described vertical compression spring 13 two ends and two groups of vertical mold cavity block phase apical graftings between vertical mold cavity block of correspondence in two groups; One side of described vertical compression blocks 8 is fixedlyed connected with dynamic mould fixing plate 3 by soket head cap screw 20, and vertically the opposite side of compression blocks 8 stretches in the groove of offering on the cover half fixed head 15 26, laterally die cavity 23 is being sealed; Described dynamic mould fixing plate 3 is connected with moving platen 1 by soket head cap screw 22; Described transverse compression piece 9 is between dynamic mould fixing plate 3 and cover half fixed head 15 and be arranged on a side of vertical compression blocks 8, described transverse compression piece 9 and vertical 8 chimeric connections of compression blocks, vertically die cavity 23 is being sealed, simultaneously between transverse compression piece 9 and vertical compression blocks 8, be provided with transverse compression spring 10, described transverse compression spring 10 two ends respectively with transverse compression piece 9 and vertical compression blocks 8 phase apical graftings; Described transverse mode control piece is divided into totally 2 of transverse mode control piece A73 and transverse mode control piece a143, and is provided with vertical compression spring 13 between 2 transverse mode control pieces; Be provided with transverse groove 25 on described transverse mode control piece A73 and the transverse compression piece a143, pass the soket head cap screw 19 that transverse groove 25 is used for connecting transverse mode control piece and dynamic mould fixing plate 3 to dodge, make the transverse mode control piece can be along horizontal movement.Described transverse mode control piece holds out against transverse compression piece 9 under the effect of lateral dynamics device, laterally die cavity 23 is being sealed, and under the driving of lateral dynamics device, transverse mode control piece and transverse compression piece 23 are mobile simultaneously, to change the volume of die cavity 23.
Described vertical compression blocks 8 is connected with the chimeric matched in clearance that is connected to of transverse compression piece 9, be provided with transverse compression spring 10 between the two, can relatively move, and vertically the ultimate range that relatively moves of compression blocks 8 and transverse compression piece 10 less than the length of transverse groove 25 on the transverse mode control piece.
Described cover half fixed head 15 is connected with solid plate 16 by soket head cap screw 18, the groove of offering on the cover half fixed head 15 26 with vertically be connected for matched in clearance between the compression blocks 8, can relatively move, and the distance between groove 26 bottoms and the vertical compression blocks 8 is greater than the distance between two groups of vertical mold cavity block.
Described transverse compression piece 9 is equipped with ejection assembly, and described ejection assembly and transverse compression piece 9 are along horizontal same moved further; Described ejection assembly comprises push rod 5, spring 6, push rod baffle plate 4 and push rod fixed head 2; One end of described push rod 5 passes spring 6 and stretches in the die cavity 23 by transverse compression piece 9, and the other end of push rod 5 passes push rod baffle plate 4 and is connected with push rod fixed head 2 by dynamic mould fixing plate 3; Described push rod fixed head 2 is connected with the liftout attachment (not shown) of outside; Can under the effect of liftout attachment, drive push rod 5 and stretch in the die cavity, in type goods are ejected.
Described lateral dynamics device comprises horizontal push pedal 11 and horizontal actuator 12, laterally actuator 12 is connected with horizontal push pedal 11, the described horizontal push pedal 11 parallel transverse mode control piece outsides that are installed on, under the effect of horizontal actuator 12, the transverse mode control piece is applied lateral thrust, described transverse mode control piece holds out against transverse compression piece 9 under the effect of lateral thrust, and can move to change the size of die cavity 23 simultaneously.
Described lateral dynamics device is installed on the dynamic mould fixing plate 3; Oil cylinder, cylinder or other device that can provide straight line to move specifically are provided.
Two groups of vertical mold cavity block wherein one group be provided with lead 21, described lead 21 passes another and organizes pilot hole on vertical mold cavity block, dynamic model part and cover half accurate contraposition partly in the time of can guaranteeing that mould is closed.
Be provided with cooling water channel 24 in described vertical mold cavity block a141 and the vertical mold cavity block b142, be used for feeding cooling fluid goods in the die cavity 23 are cooled off.
This bi-directional compression mould also comprises running gate system, and described running gate system comprises sprue bush 17, and described sprue bush 17 passes solid plate 16 and cover half fixed head 15 is connected with die cavity 23.
The bi-directional compression method of utilizing above-mentioned bi-directional compression mould to realize specifically comprises the steps:
(1) make connectors such as moving platen 1, dynamic mould fixing plate 3 and the mold cavity block assembly of bi-directional compression mould and compression blocks assembly move to vertical initial position of setting;
(2) with step (1) simultaneously, laterally actuator 12 promotes horizontal push pedal 11 and moves, and makes transverse mode control piece (73 and 143) and transverse compression piece 9 move to the horizontal initial position of setting; The die cavitys 23 that mold cavity block assembly, compression blocks assembly and the 15 common formation of cover half fixed head are at this moment sealed;
(3) by running gate system macromolecule melt 27 is injected above-mentioned die cavity 23; In the melt injection process or after the injection end, set parameters such as vertical and horizontal compression stress, compression distance and compression speed, drive moving platen 1 and horizontal push pedal 11 macromolecule melt 27 is indulged/horizontal unidirectional or bi-directional compression (laterally the movement of push pedal 11 was finished before moving platen 1 mobile end); Be closed in macromolecule melt 27 cooling and shapings in the die cavity 23;
(4) moving platen 1, dynamic mould fixing plate 3 and mold cavity block assembly and compression blocks assembly etc. return initial position, finish vertical die sinking action; Ejection assembly ejects cooled goods from die cavity 23, laterally push pedal 11 is returned initial position under the effect of horizontal actuator 12, ejection assembly, mold cavity block assembly and compression blocks assembly all return initial position under the effect of spring, finish an injection cycle.
Embodiment 2
According to the bi-directional compression method moulding high molecular products that is described among the embodiment 1, be zero but set transverse compression speed, 27 of macromolecule melts in the die cavity 23 are compressed longitudinally.
Embodiment 3
According to the bi-directional compression method moulding high molecular products that is described among the embodiment 1, be zero but set vertical compression speed, make 27 of macromolecule melts in the die cavity 23 be subjected to horizontal compression.
Embodiment 4
The step of the bi-directional compression mould that present embodiment provides and implementation method regulation and control microporous foam high molecular products foam structure is: at first utilize supercritical fluid assistant micropore injection moulding apparatus (patent No. is the patent of invention of ZL200610122092.6) to produce single phase soln of macromolecule melt and supercritical fluid, then single phase soln is injected in the die cavity of bi-directional compression mould; In single phase soln injection process or after the injection end, by regulating parameters such as vertical and horizontal compression stress, compression distance and compression speed, have the macromolecule melt of to a certain degree growing up and not cooling off fully to carry out bi-directional compression to abscess after the nucleation in the mold cavity, cooling forming is the microporous foam high molecular products.Fig. 7 shows the implementation result of the utility model method.Among Fig. 7 (a) and (b) be respectively the SEM photo that adopts the microporous foam PS goods that the utility model method and existing micropore injection moulding method (mold cavity does not have compression) prepare, Fig. 8 then shows its corresponding abscess-size statistics, adopt the abscess of foaming product inside of the utility model method preparation more tiny as can be seen, and Size Distribution narrows down, and has formed fine and close uniform foam structure.
Embodiment 5
According to the method that is described among the embodiment 4, set vertical compression stress and be respectively 60,62 and 64kN, and keep other technological parameter constant, preparation thickness is respectively 5,4 and the microporous foam PS goods of 3mm, (a) and (b) and (c) show the SEM photo of corresponding foaming product respectively among Fig. 9.From Fig. 9, can obviously find out, form dissimilar foam structures on the foaming product thickness direction under the different vertically compression stresses.When compression stress hour, foamed zones is bigger on the products thickness direction, the entity list layer thickness is less; Along with the increase of compression stress, foamed zones reduces gradually, and the entity list layer thickness that does not foam increases.When compression stress was moderate, the abscess of foaming product surface layer presented elliposoidal, shown in Fig. 9 (b).The foam structure feature of foaming product top layer and sandwich layer is listed in the table 1 under the different vertically compression stresses.
Table 1
Vertical compression stress/kN 60 62 64
The top layer Spherical Elliposoidal Few abscess exists
Sandwich layer Cellular Spherical (cell wall is thicker) Spherical (cell wall is thinner)
Above-described embodiment is the utility model preferred implementation; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under spiritual essence of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.

Claims (10)

1. a bi-directional compression mould is characterized in that: comprise moving platen, dynamic mould fixing plate, solid plate, cover half fixed head, mold cavity block assembly, compression blocks assembly; Described mold cavity block assembly comprises vertical mold cavity block and transverse mode control piece; Described compression blocks assembly comprises vertical compression blocks and transverse compression piece; Described cover half fixed head, mold cavity block assembly and compression blocks assembly constitute the die cavity of sealing, and by described vertical mold cavity block, vertically compression blocks and transverse mode control piece, transverse compression piece be vertically and the change that relatively moves to realize mold cavity volume transversely.
2. bi-directional compression mould according to claim 1, it is characterized in that: described vertical mold cavity block is divided into two groups, all be connected with dynamic mould fixing plate, be provided with vertical compression spring between two groups of vertical mold cavity block, described vertical compression both ends of the spring and two groups of vertical mold cavity block phase apical graftings; One side of described vertical compression blocks is fixedlyed connected with dynamic mould fixing plate, and vertically the opposite side of compression blocks stretches in the groove of offering on the cover half fixed head, laterally die cavity is being sealed; Described transverse compression piece is between dynamic mould fixing plate and cover half fixed head and be arranged on a side of vertical compression blocks, described transverse compression piece is connected with vertically compression blocks is chimeric, vertically die cavity is being sealed, simultaneously between transverse compression piece and vertical compression blocks, be provided with the transverse compression spring, described transverse compression both ends of the spring respectively with transverse compression piece and vertical compression blocks phase apical grafting; Described transverse mode control piece holds out against the transverse compression piece under the effect of lateral dynamics device, laterally die cavity is being sealed.
3. bi-directional compression mould according to claim 2, it is characterized in that: described vertical mold cavity block quantity is 6, is divided into two groups, is provided with vertical compression spring between corresponding vertical mold cavity block in two groups; Described transverse mode control number of blocks is 2, is provided with vertical compression spring between 2 transverse mode control pieces; Described transverse mode control piece is provided with transverse groove.
4. bi-directional compression mould according to claim 2, it is characterized in that: described vertical compression blocks is connected with the chimeric matched in clearance that is connected to of transverse compression piece, be provided with the transverse compression spring between the two, and vertically the ultimate range that relatively moves of compression blocks and transverse compression piece less than the length of transverse groove on the transverse mode control piece.
5. bi-directional compression mould according to claim 1, it is characterized in that: the groove of offering on the described cover half fixed head with vertically between the compression blocks for matched in clearance is connected, and the distance between bottom portion of groove and the vertical compression blocks is greater than the distance between two groups of vertical mold cavity block.
6. bi-directional compression mould according to claim 1, it is characterized in that: described transverse compression piece is equipped with ejection assembly, and described ejection assembly and transverse compression piece are along horizontal same moved further; Described ejection assembly comprises push rod, spring, push rod baffle plate and push rod fixed head; One end of described push rod passes spring and stretches in the die cavity by the transverse compression piece, and the other end of push rod passes the push rod baffle plate and is connected with the push rod fixed head by dynamic mould fixing plate; Described push rod fixed head is connected with the liftout attachment of outside.
7. bi-directional compression mould according to claim 2 is characterized in that: described lateral dynamics device comprises horizontal push pedal and horizontal actuator, and laterally actuator is connected with horizontal push pedal, and described horizontal push pedal is parallel to be installed on outside the transverse mode control piece.
8. bi-directional compression mould according to claim 2, it is characterized in that: described lateral dynamics device is installed on the dynamic mould fixing plate, is oil cylinder or cylinder.
9. bi-directional compression mould according to claim 2 is characterized in that: two groups of vertical mold cavity block wherein one group be provided with lead, described lead passes another and organizes pilot hole on vertical mold cavity block.
10. bi-directional compression mould according to claim 1 is characterized in that: be provided with cooling water channel in described vertical mold cavity block.
CN 201220333258 2012-07-10 2012-07-10 Bidirectional compression mould Withdrawn - After Issue CN203046179U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102773976A (en) * 2012-07-10 2012-11-14 华南理工大学 Bidirectional compression die, and implementation method and application thereof
CN104972675A (en) * 2015-06-02 2015-10-14 机械科学研究总院先进制造技术研究中心 Synchronous ejection method of formed part made from composite materials
CN112254255A (en) * 2020-10-19 2021-01-22 司松立 Intelligent air purification system based on Internet of things

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102773976A (en) * 2012-07-10 2012-11-14 华南理工大学 Bidirectional compression die, and implementation method and application thereof
CN102773976B (en) * 2012-07-10 2014-09-10 华南理工大学 Bidirectional compression die, and implementation method and application thereof
CN104972675A (en) * 2015-06-02 2015-10-14 机械科学研究总院先进制造技术研究中心 Synchronous ejection method of formed part made from composite materials
CN112254255A (en) * 2020-10-19 2021-01-22 司松立 Intelligent air purification system based on Internet of things
CN112254255B (en) * 2020-10-19 2022-01-11 深圳市智慧湾科技有限公司 Intelligent air purification system based on Internet of things

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