CN108312415A - A kind of foaming molding mold that front and back uniformity is good - Google Patents
A kind of foaming molding mold that front and back uniformity is good Download PDFInfo
- Publication number
- CN108312415A CN108312415A CN201810268269.6A CN201810268269A CN108312415A CN 108312415 A CN108312415 A CN 108312415A CN 201810268269 A CN201810268269 A CN 201810268269A CN 108312415 A CN108312415 A CN 108312415A
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- Prior art keywords
- module
- fixed plate
- foaming molding
- molding mold
- movable chamber
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention discloses a kind of foaming molding mold that front and back uniformity is good, including upper die and lower die and the cavity between upper die and lower die, is formed with feed inlet in the upper mold, the feed inlet is connected with cavity；There is the upper mold fixed seat, the rear module for being molded heel parts and the front module for being molded forefoot part, the rear module to be fixed in fixed seat, and the feed inlet is formed in rear module；It is also formed with movable chamber in the fixed seat, the foaming molding mold further includes the elastic parts being located in movable chamber, described elastic parts one end and the upper wall surface of movable chamber are mutually supported, and the elastic parts other end is then embedded the front module in movable chamber with activity and mutually supports.Compared with prior art, the present invention can allow forefoot part and heel parts that can obtain essentially identical hardness, to make the shoes uniformity to form out more preferable.
Description
Technical field
The present invention relates to foaming molding mold fields, and in particular to be a kind of front and back uniformity it is good be foamed into pattern
Tool is specially adapted to carry out ETPU particles the foaming of sole, can mold the forefoot part and foot of even density
Rear heel.
Background technology
Now with the continuous development of science and technology, application of the foamed thermoplastic polyurethane (ETPU) in footwear material is increasingly
More, the foamed thermoplastic polyurethane in market is usually to be used as midsole material, and molding mode is first to put into ETPU particles
In molding die, then recycles vapor heating to carry out second time of foaming, adjacent ETPU particles can be fused to each other together,
ETPU soles are obtained using cooling later.
As shown in Figure 1, during it carries out second time of foaming for molding die in the prior art to ETPU particles, by mold into
Material state is switched to structural schematic diagram when molding completed state, and cavity 3, the type are formed between the upper mold 1 and lower die 2
Chamber 3, so the front end cavity of molding forefoot part is relatively narrow, is molded the rear end of heel parts due to being to be used for sole formed
Cavity is relatively wide, and in Fig. 1, b is less than a；And when molding feed state, since the needs of upper mold 1 move upwards, such as before this
It can be B by distance b variations to hold cavity, and rear end cavity can be A by distance a variations, can numerically have B-b=A-a in variation
Mathematical equation；However when filling ETPU particles, ETPU particles can completely fill out front end cavity and rear end cavity, then send out
It is a then to be changed by A when soaking type, and B changes b, and since B/b is more than A/a, i.e. the compression deformation of forefoot part is more than heel parts
The compression deformation of position would generally so cause the density of forefoot to be more than the density at rear heel position, i.e. forefoot part
Position can it is harder, rear heel position is then relatively soft, first allows entire shoes to be showed on soft consistency poor, second due to
The higher performance for also affecting entire shoes of hardness of forefoot.
In view of this, the applicant's hammer away regarding to the issue above, there is this case generation then.
Invention content
The main purpose of the present invention is to provide a kind of foaming molding molds that front and back uniformity is good, to expanded particle
It during carrying out second time of foaming, can allow forefoot part and heel parts that can obtain essentially identical hardness, be molded to allow
Shoes uniformity out is more preferable.
In order to achieve the above objectives, solution of the invention is：
A kind of foaming molding mold that front and back uniformity is good, wherein including upper die and lower die and positioned at upper die and lower die it
Between cavity, be formed with feed inlet in the upper mold, the feed inlet is connected with cavity；The upper mold has fixed seat, uses
Rear module in molding heel parts and front module for being molded forefoot part, it is described after module be fixed in fixed seat,
The feed inlet is formed in rear module；
Movable chamber is also formed in the fixed seat, the foaming molding mold further includes elastic group be located in movable chamber
Part, described elastic parts one end and the upper wall surface of movable chamber are mutually supported, and the elastic parts other end is then embedded with activity in work
The front module of dynamic intracavitary is mutually supported.
Further, the fixed seat is made of the first fixed plate and the second fixed plate, and first fixed plate and second is consolidated
Fixed board is fixedly linked, and the movable chamber is between the first fixed plate and the second fixed plate.
Further, the front module is also formed with limit periphery and the mating groove in limit periphery, described solid
Then prominent in reservation to be formed with cooperation convex block, the elastic parts has through the screw for coordinating convex block and is set on screw
Compressed spring, the compressed spring upper end with cooperation convex block mutually support, lower end and the mating groove of the compressed spring offset
Top.
Further, the upper surface of the limit periphery mutually supports the limes superiors position for constructing front module with the first fixed plate
It sets, the lower surface of the limit periphery mutually supports the lower limit position for constructing front module with the second fixed plate.
Further, the foaming molding mold further includes displacement adjusting rod, and the displacement adjusting rod passes through adjustable structure
Be connected in front module, be also formed with the service portion mutually supported with position adjusting rod lower end in the lower die, the service portion with
Front module is limited when position adjusting rod is supported to be driven and moved downward by elastic parts.
Further, the mode that the displacement adjusting rod is connected through a screw thread is connected with front module.
Further, second fixed plate is in contact when upper die and lower die are molded with lower die, in second fixed plate
Several through holes are also formed with, several are then formed in the front module and protrudes column, each prominent column and a through hole
It corresponds, drives front module to enter shaping station when the lower surface of each prominent column is in contact with lower die.
With the above structure, the present invention relates to a kind of foaming molding mold that front and back uniformity is good, upper mold is divided
In mutually independent front module and rear module, opened in entire mold, i.e., entire upper mold moves upwards, enter expanded particle into
When expecting this process, under the action of elastic parts, the front module can be protruded towards the direction of cavity, so expanded particle into
The inlet amount of forefoot part can be reduced during material, i.e. inlet amount at heel parts is same as the prior art, forefoot part
Inlet amount then becomes smaller, and so after entire mold clamping, the density of formed out forefoot part can be allowed to become smaller, and allows forefoot
The density of portion and heel parts is more uniform.Scheme more preferably, the front module degree outstanding can be one solid
Definite value, for example directly determined by movable chamber；It may be an adjustable value, for example determined by displacement adjusting rod, specifically
It can preferably set.
Compared with prior art, the present invention reduces the inlet amount of forefoot part position when expanded particle is fed automatically,
To during carrying out second time of foaming to expanded particle, allow forefoot part and heel parts that can obtain essentially identical
Hardness, to make the shoes uniformity to form out more preferable.
Description of the drawings
Structural schematic diagrams of the Fig. 1 for foaming molding mold in the prior art when feed process variation is to mold process.
Fig. 2 is structural representation when being in feed process the present invention relates to a kind of foaming molding mold that front and back uniformity is good
Figure.
Fig. 3 is structural representation when being in molding process the present invention relates to a kind of foaming molding mold that front and back uniformity is good
Figure.
Fig. 4 is the sectional view of another angle when the present invention is in feed process.
Fig. 5 is sectional view of the present invention in another angle when molding process.
In figure：
Upper mold -1；Fixed seat -11；First fixed plate -111；
Second fixed plate -112；Coordinate convex block -113；Through hole -114；
Module -12 afterwards；Front module -13；Limit periphery -131；
Mating groove -132；Prominent column -133；Feed inlet -14；
Movable chamber -15；Lower die -2；Cavity -3；
Elastic parts -4；Screw -41；Compressed spring -42.
Specific implementation mode
In order to further explain the technical solution of the present invention, being explained in detail the present invention below by specific embodiment
It states.
As shown in Figures 2 to 5, it is a kind of good foaming molding mold of front and back uniformity of the present invention, including upper
Mould 1, lower die 2 and the cavity 3 between upper mold 1 and lower die 2 are formed with feed inlet 14, the feed inlet in the upper mold 1
14 are connected with cavity 3；The upper mold 1 has fixed seat 11, the rear module 12 for being molded heel parts and for being molded
The front module 13 of forefoot part, the rear module 12 are fixed in fixed seat 11, and the feed inlet 14 is formed in rear module 12,
The front module 13 and rear module 12 are in split settings.
Movable chamber 15 is also formed in the fixed seat 11, the foaming molding mold further includes being located in movable chamber 15
Elastic parts 4,4 one end of the elastic parts and the upper wall surface of movable chamber 15 are mutually supported, 4 other end of the elastic parts then with work
Dynamic 13 phase of front module being embedded in movable chamber 15 is supported.
In this way, the present invention relates to a kind of foaming molding mold that front and back uniformity is good, by the segmentation of upper mold 1 in mutual indepedent
Front module 13 and rear module 12, opened in entire mold, i.e., entire upper mold 1 moves upwards, and enters expanded particle and feeds this
When a process, under the action of elastic parts 4, the front module 13 can towards cavity 3 direction protrude, and then expanded particle into
The inlet amount of forefoot part can be reduced during material, i.e. inlet amount at heel parts is same as the prior art, forefoot part
Inlet amount then becomes smaller, and so after entire mold clamping, the density of formed out forefoot part can be allowed to become smaller, and allows forefoot
The density of portion and heel parts is more uniform.Scheme more preferably, 13 degree outstanding of the front module can be one
Fixed value, for example directly determined by movable chamber 15；It may be an adjustable value, for example determined by displacement adjusting rod,
It can specifically preferably set.
Compared with prior art, the present invention reduces the inlet amount of forefoot part position when expanded particle is fed automatically,
To during carrying out second time of foaming to expanded particle, allow forefoot part and heel parts that can obtain essentially identical
Hardness, to make the shoes uniformity to form out more preferable.
In the present embodiment, the fixed seat 11 is made of the first fixed plate 111 and the second fixed plate 112, and described first
Fixed plate 111 and the second fixed plate 112 are fixedly linked, and the movable chamber 15 is located at the first fixed plate 111 and the second fixed plate 112
Between.
As shown in Figures 2 and 3, the front module 13 is also formed with limit periphery 131 and in limit periphery 131
Mating groove 132, then prominent in the fixed seat 11 to be formed with cooperation convex block 113, the elastic parts 4 has convex through coordinating
The screw 41 of block 113 and the compressed spring 42 being set on screw 41,42 upper end of the compressed spring and cooperation 113 phase of convex block
It supports, lower end and 132 phase of mating groove of the compressed spring 42 are supported.Such counter-active effect for utilizing compressed spring 42, one
In opened condition, the front module 13 will be pushed out the entire mold of denier, and front module 13 is by movable chamber 15 due to being limited,
The displacement ejected is controllable, and the effect for reducing expanded particle quantity at forefoot part so can be realized.
As shown in Figures 2 and 3, in the present embodiment, the upper surface of the limit periphery 131 and 111 phase of the first fixed plate
The upper limit position for constructing front module 13 is supported, structure is supported in the lower surface of the limit periphery 131 with 112 phase of the second fixed plate
Build out the lower limit position of front module 13.It is the scope of activities for directly limiting front module 13 using movable chamber 15 at this time, makees
More to there is the scheme of choosing, this scope of activities can also be conditioned, i.e. maximum magnitude or movable chamber 15 limits, but practical living
Dynamic range is then limited by displacement adjusting rod.
Specifically, the foaming molding mold further includes displacement adjusting rod (not shown), and the displacement adjusting rod is logical
It crosses adjustable structure to be connected in front module 13, such as the mode that is connected through a screw thread of the displacement adjusting rod and 13 phase of front module
Even, it is also formed with the service portion mutually supported with position adjusting rod lower end in the lower die 2, the service portion is supported with position adjusting rod
Front module 13 is limited when top to be driven and moved downward by elastic parts 4.It passes through change displacement adjusting rod in actual use
Specific location, such current block 13 moves downward the lower end limit that can be blocked and be unable to reach movable chamber 15, and then realizes
Being finely adjusted into material space to forefoot part position, reaches the Precise control to forefoot part density.
As shown in Figure 4 and Figure 5, second fixed plate 112 is in contact when upper mold 1 and lower die 2 are molded with lower die 2, institute
It states and is also formed with several through holes 114 in the second fixed plate 112, several are then formed in the front module 13 and protrudes column
133, each prominent column 133 and a through hole 114 correspond, when the lower surface of each prominent column 133 is in contact with lower die 2
Front module 13 is driven to enter shaping station.So utilize the setting of prominent column 133, it can be ensured that when upper mold 1 and lower die 2 mold,
Entire front module 13 can precisely reset, it is ensured that foamed forming process will not be affected, and improve the practical industrialization of entire mold
Ability.
The product form and style of above-described embodiment and schema and the non-limiting present invention, any technical field it is common
The appropriate changes or modifications that technical staff does it all should be regarded as the patent category for not departing from the present invention.
Claims (7)
1. a kind of foaming molding mold that front and back uniformity is good, which is characterized in that including upper die and lower die and positioned at upper mold under
Cavity between mould is formed with feed inlet in the upper mold, and the feed inlet is connected with cavity；The upper mold, which has, fixes
Seat, the rear module for being molded heel parts and the front module for being molded forefoot part, the rear module are fixed on fixation
On seat, the feed inlet is formed in rear module；
Movable chamber is also formed in the fixed seat, the foaming molding mold further includes the elastic parts being located in movable chamber,
Described elastic parts one end and the upper wall surface of movable chamber are mutually supported, and the elastic parts other end is then embedded with activity in movable chamber
Interior front module is mutually supported.
2. a kind of good foaming molding mold of front and back uniformity as described in claim 1, which is characterized in that the fixed seat by
First fixed plate and the second fixed plate composition, first fixed plate and the second fixed plate are fixedly linked, and the movable chamber is located at
Between first fixed plate and the second fixed plate.
3. a kind of good foaming molding mold of front and back uniformity as claimed in claim 2, which is characterized in that the front module is also
It is formed with limit periphery and then protrusion is formed with cooperation convex block in the mating groove limited in periphery, the fixed seat,
The elastic parts has through the compressed spring for coordinating the screw of convex block and being set on screw, the compressed spring upper end
It is mutually supported with cooperation convex block, the lower end of the compressed spring is mutually supported with mating groove.
4. a kind of good foaming molding mold of front and back uniformity as claimed in claim 3, which is characterized in that the limit periphery
Upper surface mutually support the upper limit position for constructing front module with the first fixed plate, the lower surface and second of the limit periphery
Fixed plate mutually supports the lower limit position for constructing front module.
5. a kind of good foaming molding mold of front and back uniformity as described in claim 1 or 4, which is characterized in that the foaming
Molding die further includes displacement adjusting rod, and the displacement adjusting rod is connected to by adjustable structure in front module, the lower die
On be also formed with the service portion mutually supported with position adjusting rod lower end, mould before being limited when the service portion is supported with position adjusting rod
Block is driven and moved downward by elastic parts.
6. a kind of good foaming molding mold of front and back uniformity as claimed in claim 5, which is characterized in that the displacement is adjusted
The mode that bar is connected through a screw thread is connected with front module.
7. a kind of good foaming molding mold of front and back uniformity as claimed in claim 4, which is characterized in that described second fixes
Plate is in contact when upper die and lower die are molded with lower die, several through holes is also formed in second fixed plate, before described
It is then formed with several in module and protrudes column, each prominent column and a through hole correspond, the lower surface of each prominent column
Front module is driven to enter shaping station when being in contact with lower die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810268269.6A CN108312415A (en) | 2018-03-29 | 2018-03-29 | A kind of foaming molding mold that front and back uniformity is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810268269.6A CN108312415A (en) | 2018-03-29 | 2018-03-29 | A kind of foaming molding mold that front and back uniformity is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108312415A true CN108312415A (en) | 2018-07-24 |
Family
ID=62899551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810268269.6A Pending CN108312415A (en) | 2018-03-29 | 2018-03-29 | A kind of foaming molding mold that front and back uniformity is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108312415A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262972A (en) * | 2018-11-08 | 2019-01-25 | 晋江市火炬油压机械有限公司 | A kind of device for being adjustable ETPU die for shoe-sole type chamber and opening distance |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001074558A1 (en) * | 2000-03-21 | 2001-10-11 | Fountain Technologies B.V. | Method and apparatus for manufacturing plastic foam products having different wall structures |
| EP1225023A1 (en) * | 2001-01-17 | 2002-07-24 | Mitsubishi Heavy Industries, Ltd. | Method for injection-molding a fan |
| CN208052415U (en) * | 2018-03-29 | 2018-11-06 | 晋江兴迅新材料科技有限公司 | A kind of foaming molding mold that front and back uniformity is good |
-
2018
- 2018-03-29 CN CN201810268269.6A patent/CN108312415A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001074558A1 (en) * | 2000-03-21 | 2001-10-11 | Fountain Technologies B.V. | Method and apparatus for manufacturing plastic foam products having different wall structures |
| EP1225023A1 (en) * | 2001-01-17 | 2002-07-24 | Mitsubishi Heavy Industries, Ltd. | Method for injection-molding a fan |
| CN208052415U (en) * | 2018-03-29 | 2018-11-06 | 晋江兴迅新材料科技有限公司 | A kind of foaming molding mold that front and back uniformity is good |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262972A (en) * | 2018-11-08 | 2019-01-25 | 晋江市火炬油压机械有限公司 | A kind of device for being adjustable ETPU die for shoe-sole type chamber and opening distance |
| CN109262972B (en) * | 2018-11-08 | 2024-03-01 | 晋江市火炬油压机械有限公司 | Device capable of adjusting opening distance of ETPU sole mold cavity |
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Address after: No.17 Wubao Industrial Zone, Hongshan Town, Shishi City, Quanzhou City, Fujian Province Applicant after: Fujian Xingxun New Material Technology Co.,Ltd. Address before: 362200 Quanzhou City, Fujian, Jinjiang City, Tang CuO village Feng Chi Industrial District Applicant before: JINJIANG XINGXUN NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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