CN110328801A

CN110328801A - Foaming mould

Info

Publication number: CN110328801A
Application number: CN201910670987.0A
Authority: CN
Inventors: 罗金成; 方加波
Original assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Current assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2019-10-15

Abstract

The invention discloses a kind of foaming mould, the foaming mould include: include: cavity, foam chamber is formed in the cavity, be formed on the cavity be connected to foam chamber note bubble mouth；Baffle, the baffle are movably located at note bubble mouth position between open position and block-up position, and the baffle opens the note bubble mouth at the open position, and the baffle blocks in the block-up position and seals the note bubble mouth；Actuator, the actuator are connected for driving the baffle movable between the open position and the block-up position with the baffle.Foaming mould according to the present invention can detain leakage bubble to avoid main row, guarantee the Forming Quality of the foaming piece by foaming mould foaming by the way that baffle is arranged for blocking sealing note bubble mouth in note bubble mouth position.

Description

Foaming mould

Technical field

The present invention relates to a kind of foaming moulds.

Background technique

In the related technology, the foaming layer in refrigerator body floor structure is by mold foaming, specifically, foaming mould Have inclined plate and be equipped with through-hole, transparent PC baffle is fixed on inclined plate logical to block by using double-sided adhesive (transparent OPPO adhesive tape) Hole, note bubble pipette tips directly pass through through-hole note bubble.After technical solution foaming, exists after note bubble and leak bubble phenomenon, while by It can not be cleaned out in the leakage bubble of foam material material problem, generation, not only influence refrigerator appearance and there are security risks.

Summary of the invention

The present invention is directed at least solve one of the technical problems existing in the prior art.Therefore, the present invention intends to propose one Kind foaming mould, the foaming mould can solve the leakage bubble phenomenon of note bubble mouth.

Foaming mould according to the present invention, comprising: cavity is formed with foam chamber in the cavity, is formed on the cavity There is the note being connected to foam chamber to steep mouth；Baffle, the baffle are movably located at described between open position and block-up position Note bubble mouth position, the baffle open the note bubble mouth at the open position, and the baffle is sealed in the block-up position It blocks up and seals the note bubble mouth；And actuator, the actuator are connected with the baffle for driving the baffle to beat described It is movable between open position and the block-up position.

Foaming mould according to the present invention can be with by baffle being arranged for blocking sealing note bubble mouth in note bubble mouth position It avoids main row from detaining leakage bubble, guarantees the Forming Quality of the foaming piece by foaming mould foaming.

In some embodiments, the cavity is equipped with guide rail, and the baffle is slidingly disposed at described along the guide rail On guide rail.

In some embodiments, the guide rail includes being arranged in the first guide groove and second that the note steeps mouth opposite sides to lead Slot, one end of the baffle are movably inserted into first guide groove, described in the other end of the baffle is movably inserted into In second guide groove.

In some embodiments, the cavity is equipped with for limiting to the first locating part of the baffle limiting and second Part, the baffle are only butted on first locating part at the open position, and the baffle stops in the block-up position It is butted on second locating part.

In some embodiments, first locating part and second locating part are respectively formed in the two of the guide rail End.

In some embodiments, the actuator is driving motor, and the driving motor drives the baffle to beat described It is moved between open position and the block-up position.

In some embodiments, the actuator is air pump, and the air pump includes: cylinder, and the cylinder is equipped with opposite In the moveable drive rod of the cylinder, the drive rod and the baffle are sequentially connected.

In some embodiments, the air pump further include: rocker arm, one end of the rocker arm and the drive rod are hinged, institute State the other end and the panel hinge of rocker arm.

In some embodiments, the rocker arm is equipped with pivot part along linear extension, the rocker arm, and the rocker arm passes through institute Pivot part is stated to be rotatably fixed on the cavity.

In some embodiments, the pivot part is formed as pivoting hole, and the rocker arm passes through the pivoting hole by shaft It is connected with the cavity.

In some embodiments, the foaming mould further includes sealing element, week of the sealing ring around the note bubble mouth Edge, and the sealing element is abutted with the inner surface of the outer surface of the cavity and the baffle respectively.

In some embodiments, the note bubble mouth includes at least two long and narrow and cross one another strip holes.

In some embodiments, the note bubble degree of lip-rounding becomes cruciform vent, or, note bubble mouth includes intersecting in same The first strip hole, the second strip hole and the third strip hole of one position, and first strip hole, second strip hole and institute Stating the angle between two of arbitrary neighborhood in third strip hole is 60 °.

In some embodiments, the foaming mould does not infuse foamed material and the baffle in the block-up position, described The distance between outer wall of the inner surface of baffle and the cavity is not more than 8mm.

In some embodiments, the foaming mould is the foaming mould of the foaming layer foaming for refrigerator bottom plate.

In some embodiments, the cavity includes: top plate, the top plate horizontal extension；Bottom plate, the floor level are prolonged It stretches and arranged spaced apart along the vertical direction with the top plate；Inclined plate, the inclined plate are obliquely installed, and the inclined plate is including two, two A inclined plate is connected to the left and right ends of the top plate and the bottom plate, and the top plate, the bottom plate and it is described tiltedly The foam chamber is limited between plate, the note bubble mouth is set on the inclined plate.

In some embodiments, the cavity further includes stiffening plate, and the note bubble mouth is formed in the stiffening plate, described Through-hole is formed on inclined plate, the stiffening plate is fixed on the inclined plate and note bubble mouth is opposite with the through-hole.

In some embodiments, the through-hole is circular hole, cross bore or rice word hole, and the note bubble mouth is cross bore or rice word Hole.

Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.

Detailed description of the invention

Fig. 1 is the schematic diagram of foaming mould according to an embodiment of the present invention；

Fig. 2 is the schematic diagram of cavity shown in Fig. 1；

Fig. 3 is the schematic diagram of another angle of cavity shown in Fig. 1.

Appended drawing reference:

Foaming mould 100,

Cavity 1, note bubble mouth 11, guide rail 12, the first guide groove 121, the second guide groove 122, inclined plate 13, stiffening plate 14,

Baffle 2, actuator 3, air pump 3a, cylinder 31, drive rod 32, rocker arm 33, shaft 34.

Specific embodiment

The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.

Foaming mould 100 according to an embodiment of the present invention is described below with reference to Fig. 1-Fig. 3.

As shown in Figure 1, foaming mould 100 according to an embodiment of the present invention, comprising: cavity 1, baffle 2 and actuator 3.

Specifically, referring to Figures 1 and 2, it is formed with foam chamber in cavity 1, the note being connected to foam chamber is formed on cavity 1 Steep mouth 11；Foamed material can be injected in foam chamber by note bubble mouth 11, ultimately form required part by foaming.

Baffle 2 is movably located at note bubble 11 position of mouth between open position and block-up position, and baffle 2 is in open position When open note bubble mouth 11, baffle 2 is blocked in block-up position and seal note steeps mouth 11.Wherein, baffle 2 can be located at note bubble mouth 11 The side away from foam chamber, for example, baffle 2 can be set to cavity 1 outside be used to open and block note steep mouth 11.Actuator 3 are connected for driving baffle 2 movable between open position and block-up position with baffle 2.

In this way, can inject foamed material into foam chamber when baffle 2 opens note bubble mouth 11 by note bubble mouth 11, work as material feeding After the completion, baffle 2 can be made to block and seal note bubble mouth 11, to facilitate foamed material foaming in foam chamber, and due to gear Plate 2 can block and seal completely note bubble mouth 11, can also effectively avoid the note bubble leakage bubble of mouth 11, so that material loss is avoided, and Guarantee the appearance Forming Quality of foaming piece.

Foaming mould 100 according to an embodiment of the present invention, by the way that baffle 2 is arranged for blocking sealing in note bubble 11 position of mouth Note bubble mouth 11 can guarantee the Forming Quality of the foaming piece by 100 foaming of foaming mould to avoid the note bubble leakage bubble of mouth 11.

Further, since foamed material can form thrust to cavity 1 during foaming, push the wall surface of cavity 1 towards gear Plate 2 is mobile, in this way, under the thrust of foamed material, the distance between 1 outer wall of cavity and baffle 2 can be gradually reduced and most It abuts eventually, and the thrust pushes 1 outer wall of cavity always so that 1 outer wall of cavity is abutted with baffle 2, thus, it is possible to further increase 2 pairs of baffle notes steep closure and the sealing effect of mouth 11, avoid the note bubble leakage bubble of mouth 11.

In one embodiment of the invention, as shown in Figure 1, the foaming mould 100 of the embodiment of the present invention can for for The foaming mould 100 of the foaming layer foaming of refrigerator bottom plate.Thus, it is possible to guarantee that leakage is avoided to steep, guarantee the foaming of refrigerator bottom plate The Forming Quality of layer.

Specifically, cavity 1 may include: top plate and bottom plate and inclined plate 13, top plate horizontal extension；Floor level extend and with Top plate is arranged spaced apart along the vertical direction；Inclined plate 13 is obliquely installed, and inclined plate 13 includes two, and two inclined plates 13 are connected to top The left and right ends of plate and bottom plate, that is to say, that one of them in two inclined plates 13 is connected to the left end and a left side for bottom plate of top plate Between end, another in two inclined plates 13 is connected between the right end of top plate and the right end of bottom plate, and top plate and bottom plate and inclined plate Foam chamber is limited between 13, note bubble mouth 11 is set on inclined plate 13.

Further, cavity 1 can also include front side board and back side panel, wherein front side board and back side panel can be for independently Plate, and front side board is connected with the front end of the front end of top plate, the front end of bottom plate and inclined plate 13 respectively, back side panel respectively with top plate Rear end, bottom plate rear end be connected with the later half of inclined plate 13.Thus, it is possible to limit complete and closed foam chamber in cavity 1. Certainly, the invention is not limited thereto, in front side board and back side panel it is therein at least one can also be with its in top plate and bottom plate In one integrated molding,

In some embodiments, as shown in Figure 1, cavity 1 can also include stiffening plate 14, note bubble mouth 11 is formed in stiffening plate On 14, through-hole is formed on inclined plate 13, stiffening plate 14 is fixed on inclined plate 13, and note bubble mouth 11 is opposite with through-hole, to facilitate note Enter foamed material.Due to being formed with through-hole on inclined plate 13, the present embodiment, not only can be with by the way that stiffening plate 14 to be fixed on inclined plate 13 The intensity for improving inclined plate 13, avoids inclined plate 13 from deforming under the action of the power of foamed material, can also provide support for note bubble pipette tips, Guarantee the stability of shot process.

Optionally, through-hole can be circular hole, cross bore or rice word hole, and note bubble mouth 11 can be cross bore or rice word hole.

According to some embodiments of the present invention, as shown in Fig. 2, note bubble mouth 11 may include at least two long and narrow strips Hole, and at least two strip hole intersects, for example, note bubble mouth 11 may include two, three, four, five, six Or more strip hole, multiple strip holes intersect in same position, that is to say, that multiple strip holes prolong along its length Same position is both passed through when stretching.In this way, the wall of the cavity 1 between two adjacent strip holes be in it is cantilever-shaped, have bullet Property, at this point, note bubble pipette tips can strut the position (crossover locations of multiple strip holes) and protrude into foam chamber, material feeding is completed Afterwards, note bubble pipette tips are withdrawn, and 1 wall of cavity of the position restores deformation, thus, it is possible to effectively foamed material be avoided to overflow.Wherein it is possible to Understand, strip hole can be elongated seam, width very little.

In a specific embodiment, note bubble mouth 11 can be formed as cruciform vent, for example, note bubble mouth 11 includes two narrow Long strip hole, position is mutually perpendicular to intersect two strip holes in the middle.In this way, note bubble pipette tips can strut when infusing bubble Crossover location simultaneously protrudes into foam chamber, and after the completion of material feeding, note bubble pipette tips are withdrawn, and 1 wall of cavity of crossover location restores deformation, by This, it is possible to prevente effectively from foamed material overflows.

In another specific embodiment, as shown in Fig. 2, note bubble mouth 11 may include intersecting in the of same position One strip hole, the second strip hole and third strip hole, and arbitrary neighborhood in the first strip hole, the second strip hole and third strip hole Two between angle be 60 °.Wherein, the crossover location of the first strip hole, the second strip hole and third strip hole is respectively positioned on The middle part of its own.In this way, note bubble pipette tips can strut crossover location and protrude into foam chamber when infusing bubble, after the completion of material feeding, Note bubble pipette tips are withdrawn, and 1 wall of cavity of crossover location restores deformation, thus, it is possible to effectively foamed material be avoided to overflow.

In some embodiments of the invention, foaming mould 100 does not infuse foamed material and baffle 2 in block-up position, baffle 2 Inner surface and the distance between the outer wall of cavity 1 be not more than 8mm.For example, between the inner surface of baffle 2 and the outer wall of cavity 1 Distance can be for 2mm, 3mm, 4mm, 5mm, 6mm, 7mm etc..In this way, under the thrust of foamed material, note bubble mouth 11 Week along can come into contact with and abut with baffle 2, thus, it is possible under the premise of guaranteeing that baffle can be slided normally, further Closure and the sealing effect for improving 2 pairs of baffle note bubble mouths 11 avoid the note bubble leakage bubble of mouth 11.

According to some embodiments of the present invention, as shown in Figure 1, guide rail 12 can be equipped on cavity 1, and baffle 2 is along guide rail 12 It is slidingly disposed on guide rail 12.That is, baffle 2 is on the slide rail slidably.Realize that baffle 2 is opened thus, it is possible to facilitate Bubble mouth 11 is infused with blocking, structure is simple and convenient.

Specifically, as shown in Figure 1, guide rail 12 may include the first guide groove 121 and the second guide groove 122,121 He of the first guide groove Second guide groove 122 is respectively arranged in the opposite sides of note bubble mouth 11, and one end (such as upper end of baffle 2) of baffle 2 is movably It is inserted into the first guide groove 121, the other end (such as lower end of baffle 2) of baffle 2 is movably inserted into the second guide groove 122.By This, structure is simple, facilitates baffle 2 mobile.

In some embodiments, the first locating part for limiting to baffle 2 and the second limit can be equipped on cavity 1 Part, baffle 2 are only butted on the first locating part at open position, and baffle 2 is only butted on the second locating part in block-up position.By This, the moving range of baffle 2 can be limited to therebetween by the first locating part and the second limit, thus, it is possible to limit baffle 2 Stroke, improve the accuracy that controls 2 shift position of baffle.

Further, the first locating part and the second locating part are respectively formed in the both ends of guide rail 12, for example, the first locating part It can be formed in the left end of guide rail 12, the second locating part can be formed in the right end of guide rail 12, as a result, the first locating part and second Locating part can be slipped from guide rail 12 to avoid baffle 2, guarantee the stability in 2 sliding process of baffle.Wherein, the first locating part It can be formed as retention bead with the second locating part.

According to some embodiments of the present invention, as shown in Figure 1, foaming mould 100 can also include: actuator 3, actuator 3 are connected for driving baffle 2 movable between open position and block-up position with baffle 2.

In a specific example, actuator 3 can be driven baffle 2 with motor, driving motor in open position and block position It is movable between setting.For example, actuator 3 can be linear motor, linear motor drive baffle 2 open position and block-up position it Between move along a straight line.Thus, it is possible to improve driving precision.

In another specific example, as shown in Figure 1, actuator 3 can be air pump 3a, air pump 3a may include: cylinder 31, cylinder 31 is equipped with relative to the moveable drive rod 32 of cylinder 31, and drive rod 32 and baffle 2 are sequentially connected to drive baffle 2 is movable between open position and block-up position.Further, air pump 3a can also include: rocker arm 33, one end of rocker arm 33 with Drive rod 32 is hinged, and the other end and baffle 2 of rocker arm 33 are hinged, for example, the other end of rocker arm 33 can pass through screw and baffle 2 Rotatably it is connected, wherein screw can be hex screw.In this way, when the gas push drive rod 32 in cylinder 31 is transported along straight line When dynamic, drive rod 32 can drive rocker arm 33 to move, so that baffle 2 is mobile, to realize that note bubble is opened and blocked to baffle 2 Mouth 11.

Further, for rocker arm 33 along linear extension, rocker arm 33 is equipped with pivot part, and rocker arm 33 passes through pivot part rotationally It is fixed on cavity 1.Specifically, pivot part is formed as pivoting hole, and rocker arm 33 passes through pivoting hole and 1 phase of cavity by shaft 34 Even.Wherein, pivoting hole can be formed in the substantially medium position of rocker arm 33, and shaft 34 can be screw, such as shaft 34 can Think hex screw.Thus, it is possible to make compact-sized, reduction occupied space, and air pump 3a is facilitated to drive baffle 2.

According to some embodiments of the present invention, foaming mould 100 can also include sealing element, and sealing ring steeps mouth 11 around note All edges, and sealing element is abutted with the inner surface of the outer surface of cavity 1 and baffle 2 respectively.Thus, it is possible to further increase to note Steep the sealing performance of mouth 11, anti-leak-stopping bubble.

Foaming mould 100 according to an embodiment of the present invention is that one kind solves to infuse bubble in foaming process for refrigerator bottom plate The structures design of 11 leakage bubble of mouth, 100 structure of foaming mould of the present embodiment mainly pass through 13 structure optimization of box baseplate inclined plate, take Disappear PC sealing baffle, borrows cylinder 31 and the baffle of note bubble mouth position is driven to move synchronously, and solves the note bubble leakage bubble phenomenon of mouth 11.

Wherein, 13 structure of cabinet inclined plate of the foaming mould 100 of the present embodiment, the note bubble mouth 11 on inclined plate 13 do a meter word slot Structure cancels transparent PC baffle, increases air-actuated jaw in 13 Support Position of inclined plate of foaming mould 100, back and forth by air pump 3a Movement drives foaming baffle 2 to move, to solve leakage bubble phenomenon.

Motion principle: air pump 3a is moved when to be foamed, and drives foaming baffle 2 in an open position, and note bubble pipette tips start Note bubble, air pump 3a is moved after the completion of note steeps, and foaming baffle 2 is driven to be moved to block-up position, is reached sealing and is not leaked bubble.

The foaming mould 100 of the embodiment of the present invention solves the problems, such as leakage bubble by air pump 3a simple motion mechanism；It takes simultaneously Disappear transparent PC baffle 2, can reduce cost.

In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more, Unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect It connects, is also possible to be electrically connected, can also be communication；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements.For the ordinary skill in the art, may be used To understand the concrete meaning of above-mentioned term in the present invention as the case may be.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.

Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this The range of invention is defined by the claims and their equivalents.

Claims

1. a kind of foaming mould characterized by comprising

Cavity is formed with foam chamber in the cavity, and the note bubble mouth being connected to foam chamber is formed on the cavity；

Baffle, the baffle are movably located at note bubble mouth position, the baffle between open position and block-up position The note bubble mouth is opened at the open position, the baffle blocks in the block-up position and seals the note bubble mouth； With

Actuator, the actuator are connected for driving the baffle in the open position and the closure position with the baffle It is movable between setting.

2. foaming mould according to claim 1, which is characterized in that the cavity is equipped with guide rail, and the baffle is along institute Guide rail is stated to be slidingly disposed on the guide rail.

3. foaming mould according to claim 2, which is characterized in that the guide rail is opposite including being arranged in the note bubble mouth The first guide groove and the second guide groove of two sides, one end of the baffle are movably inserted into first guide groove, the baffle The other end is movably inserted into second guide groove.

4. foaming mould according to claim 2, which is characterized in that the cavity is equipped with for the baffle limiting The first locating part and the second locating part, the baffle at the open position only is butted on first locating part, it is described Baffle is only butted on second locating part in the block-up position.

5. foaming mould according to claim 4, which is characterized in that first locating part and second locating part point It is not formed in the both ends of the guide rail.

6. foaming mould according to claim 5, which is characterized in that the actuator is driving motor, the driving electricity Machine drives the baffle to move between the open position and the block-up position.

7. foaming mould according to claim 5, which is characterized in that the actuator is air pump, and the air pump includes: gas Cylinder, the cylinder are equipped with relative to the moveable drive rod of the cylinder, and the drive rod and the baffle are sequentially connected.

8. foaming mould according to claim 7, which is characterized in that the air pump further include: rocker arm, the one of the rocker arm Hold, the other end of the rocker arm and the panel hinge hinged with the drive rod.

9. foaming mould according to claim 8, which is characterized in that the rocker arm is set in linear extension, the rocker arm There is pivot part, the rocker arm is rotatably fixed on the cavity by the pivot part.

10. foaming mould according to claim 9, which is characterized in that the pivot part is formed as pivoting hole, the rocker arm The pivoting hole is passed through by shaft to be connected with the cavity.

11. foaming mould according to claim 1, which is characterized in that the foaming mould further includes sealing element, described close Sealing is around all edges of the note bubble mouth, and the sealing element inner surface with the outer surface of the cavity and the baffle respectively It abuts.

12. foaming mould according to claim 1, which is characterized in that the note bubble mouth includes at least two long and narrow and phases The strip hole mutually intersected.

13. foaming mould according to claim 12, which is characterized in that the note bubble degree of lip-rounding becomes cruciform vent, or, institute Stating note bubble mouth includes intersecting in the first strip hole, the second strip hole and third strip hole of same position, and described first Angle in strip hole, second strip hole and the third strip hole between two of arbitrary neighborhood is 60 °.

14. foaming mould according to claim 12, which is characterized in that the foaming mould does not infuse foamed material and the gear For plate in the block-up position, the distance between outer wall of the inner surface of the baffle and the cavity is not more than 8mm.

15. foaming mould described in any one of -14 according to claim 1, which is characterized in that the foaming mould is for ice The foaming mould of the foaming layer foaming of bottom plate.

16. foaming mould according to claim 15, which is characterized in that the cavity includes:

Top plate, the top plate horizontal extension；

Bottom plate, the floor level extend and arranged spaced apart along the vertical direction with the top plate；

Inclined plate, the inclined plate are obliquely installed, and the inclined plate includes two, and two inclined plates are connected to the top plate and institute The left and right ends of bottom plate are stated, and limit the foam chamber between the top plate, the bottom plate and the inclined plate, the note steeps mouth On the inclined plate.

17. foaming mould according to claim 16, which is characterized in that the cavity further includes stiffening plate, the note bubble Mouth is formed in the stiffening plate, through-hole is formed on the inclined plate, the stiffening plate is fixed on the inclined plate and the note It is opposite with the through-hole to steep mouth.

18. foaming mould according to claim 17, which is characterized in that the through-hole be circular hole, cross bore or rice word hole, The note bubble mouth is cross bore or rice word hole.