CN108973181A - A kind of polychrome air blowing drawing side mold - Google Patents
A kind of polychrome air blowing drawing side mold Download PDFInfo
- Publication number
- CN108973181A CN108973181A CN201811017464.8A CN201811017464A CN108973181A CN 108973181 A CN108973181 A CN 108973181A CN 201811017464 A CN201811017464 A CN 201811017464A CN 108973181 A CN108973181 A CN 108973181A
- Authority
- CN
- China
- Prior art keywords
- spring
- connecting column
- fastener
- ball
- blown
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/0009—Producing footwear by injection moulding; Apparatus therefor
- B29D35/0018—Moulds
- B29D35/0027—Last constructions; Mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/02—Producing footwear made in one piece using a moulding technique, e.g. by injection moulding or casting
- B29D35/04—Producing footwear made in one piece using a moulding technique, e.g. by injection moulding or casting having multilayered parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/06—Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising
- B29D35/061—Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising by injection moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/06—Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising
- B29D35/08—Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising having multilayered parts
- B29D35/081—Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising having multilayered parts by injection moulding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
It blows this application provides a kind of polychrome and draws side mold, it include: master mold, male model and overturning die holder, it further include lock cell, the lock cell includes connecting column, fastener, installation set, electromagnet, ball and second spring, the connecting column is fixed on the upper fixed seat lower end of described male model one end, the fastener is embedded in the block set of described overturning die holder one end, the installation set is embedded in the lower fixed seat of described master mold one end, the electromagnet is embedded in the lower end of the installation set, the connecting column is extended downwardly by the fastener, and with the electromagnet magnetic attracting, the ball and second spring are arranged in the installation set, it keeps out in the side of the connecting column one end of the ball, the other end of the ball is kept out in one end of the second spring.Polychrome provided by the present application, which is blown, draws side mold, and after long-time use, the position for overturning die holder will not be glanced off, the advantage for having molding stability good.
Description
Technical field
The present invention relates to a kind of molds, blow more particularly to a kind of polychrome and draw side mold.
Background technique
Requirement with people to shoes is continuously improved, and the sole of polychrome is liked by many people, it usually needs makes
Higher cost with different Mold Making polychromes more than two pairs and the different sole of material, when production.
Chinese patent [CN203141747U] discloses a kind of polychrome air blowing drawing side mold, mainly includes a master mold, one
Die holder and a male model are overturn, male model correspondence is superimposed on the overturning die holder, and is fastened in the master mold；The patent can be by turning over
Revolving die seat produces polychrome and the different sole of material between the master mold and the male model, without in addition using other molds,
Production procedure can be simplified and reduce the usage amount of mold, but the fastener using effect in the patent is bad, after long-time use,
The position of overturning die holder can glance off, and cause molding stability bad, influence shoes processing effect.
Summary of the invention
It blows the object of the present invention is to provide a kind of polychrome and draws side mold, after long-time use, overturn the position of die holder
It will not glance off, the advantage for having molding stability good.
In order to solve the above technical problems, the invention provides the following technical scheme:
A kind of polychrome air blowing drawing side mold, comprising: master mold, male model and overturning die holder, the male model and the overturning die holder
It is articulated in one end of the master mold, the corresponding upside that be located in the master mold of overturning die holder, the corresponding overlapping of the male model
It in the overturning die holder, and is fastened in the master mold, wherein further include lock cell, the lock cell includes connection
Column, fastener, installation set, electromagnet, ball and second spring, the connecting column are fixed on the upper fixed seat of described male model one end
Lower end, the fastener are embedded in the block set of described overturning die holder one end, and the installation set is embedded in described master mold one end
In lower fixed seat, the electromagnet is embedded in the lower end of the installation set, and the connecting column is extended downwardly by the fastener,
And it is arranged in the installation set with the electromagnet magnetic attracting, the ball and second spring, one end of the ball
It keeps out in the side of the connecting column, the other end of the ball is kept out in one end of the second spring.
Further, there is a pair of of turn-buckle, the turn-buckle includes sequentially connected branch in the fastener
Brace, lower bending section, linking arm, upper bending section and elasticity arm, the upper end of the support arm are connect with the inner wall of the fastener,
The upper shaft part of the connecting column passes through between a pair of of elasticity arm, and the lower part of the elasticity arm has and can keep out in the upper shaft part
The clamping seamed edge on surface.
Further, the lower shaft part of the connecting column extends in the installation set, and the side of the lower shaft part has
Gap slot, one end of the ball are kept out in the gap slot.
Further, the lower end of the gap slot has inclined-plane, and the lower end of the gap slot is smooth by the inclined-plane
It is transitioned into the surface of the lower shaft part.
Further, the lock cell further includes the first spring being set on the connecting column periphery, and described
The upper end of one spring is kept out in fixed seat lower end, and the lower end of first spring is kept out in the upper end of the fastener.
Further, the top of the fastener has the through-hole passed through for the upper shaft part, first spring
It keeps out on the upper surface of the through-hole lower end.
Further, the other end of the second spring is kept out on the inner wall of the lower fixed seat.
Further, there is movable chamber between the elasticity arm and the linking arm.
Further, there is cavity between the support arm and the fastener.
It can be seen from above-mentioned technical proposal the invention has the following advantages:
Due to the lock cell by the magnetive attraction of the electromagnet enable the male model and overturning die holder tightly
It is fastened with the master mold, then cooperates the elastic clamping effect and the flexible fastening of ball effect of the fastener, so that
After prolonged use, the position for overturning die holder will not glance off the present invention, it can be ensured that the stability of molding, it is ensured that shoes
Sub- processing effect.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the schematic diagram of the section structure of the invention.
Fig. 2 is the cross-sectional view of lock cell of the invention.
Fig. 3 is the partial structural diagram of Fig. 2 of the invention.
Fig. 4 is the schematic diagram of the section structure of fastener of the invention.
Fig. 5 is the another partial structural diagram of Fig. 2 of the invention.
Description of symbols: master mold -1, lower fixed seat -11, shoe tree mold core -12, footwear body mode portion -13, male model -2, upper solid
Reservation -21, overturning die holder -3, block set -31, lock cell -4, connecting column -41, upper shaft part -411, lower shaft part -412, gap slot -
413, inclined-plane -414, fastener -42, support arm -421, linking arm -422, elasticity arm -423, clamping seamed edge -424, lower bending
Section -425, upper bending section -426, cavity -427, movable chamber -428, through-hole -429, the first spring -43, electromagnet -44, ball -
45, second spring -46, installation set -47, annular groove -471, mounting hole -472.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
The application is described further below with reference to Fig. 1 to Fig. 5, a kind of polychrome as shown in Figure 1, which is blown, draws side mold,
It include: master mold 1, male model 2 and overturning die holder 3, the male model 2 and the overturning die holder 3 are articulated in one end of the master mold 1,
The corresponding upside that be located in the master mold 1 of overturning die holder 3, the correspondence of male model 2 is superimposed on the overturning die holder 3, and detains
The master mold 1 is fixed in conjunction, and it further includes lock cell 4 that the polychrome, which blows and draws side mold, and the lock cell 4 makes the public affairs
Mould 2 and overturning die holder 3 can be fastened tightly with the master mold 1, and molding is convenient, and the stability after molding is good, after long-time use,
The position of the overturning die holder 3 will not glance off.
As shown in Fig. 2, the lock cell 4 includes connecting column 41, fastener 42, installation set 47, electromagnet 44, ball 45
With second spring 46, the connecting column 41 is fixed on 21 lower end of upper fixed seat of described 2 one end of male model, and the fastener 42 is embedded
In the block set 31 of described overturning 3 one end of die holder, the installation set 47 is embedded in the lower fixed seat 11 of described 1 one end of master mold,
The electromagnet 44 is embedded in the lower end of the installation set 47, and the connecting column 41 is extended downwardly by the fastener 42, and
With 44 magnetic attracting of electromagnet, the ball 45 and second spring 46 are arranged in the installation set 47, the ball
45 one end is kept out in the side of the connecting column 41, and the other end of the ball 45 is kept out the one of the second spring 46
End, specifically, the lower fixed seat 11 is fixed on one end of the master mold 1, fixed seat 21 is fixed on the male model 2
One end, the block set 31 are fixed on one end of the overturning die holder 3.
The connecting column 41 includes upper shaft part 411 interconnected and lower shaft part 412, the lower end institute of the lower shaft part 412
State 44 magnetic attracting of electromagnet, by the magnetive attraction of the electromagnet 44 enable the male model 2 and overturning die holder 3 tightly with
The master mold 1 fastens.
As shown in Figure 3 and Figure 4, there is a pair of of turn-buckle in the fastener 42, the turn-buckle includes successively
Support arm 421, lower bending section 425, linking arm 422, upper bending section 426 and the elasticity arm 423 of connection, the support arm 421
Upper end is connect with the inner wall of the fastener 42, and the upper shaft part 411 of the connecting column 41 passes through between a pair of of elasticity arm 423,
The lower part of the elasticity arm 423 has the clamping seamed edge 424 that can be kept out on upper 411 surface of shaft part, in a pair of of elasticity arm 423
Resilient force under, the clamping seamed edge 424 is by upper 411 elastic clamping of shaft part, after long-time use, the turning mould
Seat 3 also can be after molding by stable fixation, it is ensured that the stability of shoes processing effect.
There is movable chamber 428, on a pair of of elasticity arm 423 will be described between the elasticity arm 423 and the linking arm 422
After 411 elastic clamping of shaft part, the movable chamber 428 becomes smaller, described after the upper shaft part 411 is separated with a pair of of elasticity arm 423
Movable chamber 428 becomes larger.
As shown in figure 5, the lower shaft part 412 of the connecting column 41 extends in the installation set 47, the lower shaft part 412
Side has gap slot 413, and one end of the ball 45 keeps out in the gap slot 413, the connecting column 41 is locked
It is fixed, hinder the lower shaft part 412 to deviate from out of the installation set 47 center cavity, the stability after improving molding.
The lower end of the gap slot 413 has inclined-plane 414, and the lower end of the gap slot 413 is smooth by the inclined-plane 414
It is transitioned into the surface of the lower shaft part 412, when the connecting column 41 is inserted into the installation set 47,45 edge of ball
The inclined-plane 414 is smoothly transitted into the inclined-plane 414；In fixed seat 21 with the connecting column 41 and the installation
When 47 separation of set, the ball 45 is rolled along the inclined-plane 414, so that the ball 45 skids off the gap slot 413.
As shown in Fig. 2, the lock cell 4 further includes the first spring 43 being set on 41 periphery of connecting column, institute
The upper end for stating the first spring 43 is kept out in fixed 21 lower end of seat, and the lower end of first spring 43 is kept out in the fastening
The upper end of part 42, elasticity of first spring 43 for the male model 2 are opened, and are molded in the male model 2 with the master mold 1
Afterwards, first spring 43 is in compressive state, and after the electromagnet 44 power-off, the electromagnet 44 is magnetic to disappear, in institute
Under the elastic force for stating the first spring 43, the connecting column 41 is moved upwards and is separated with the electromagnet 44, so that the male model 2
It is rotated up opening, the overturning die holder 3 is then rotated up opening again, that is, realizes die sinking.
As shown in Figure 2 and Figure 4, the top of the fastener 42 has the through-hole 429 passed through for the upper shaft part 411, institute
It keeps out on the upper surface of the through-hole 429 lower end for stating the first spring 43.
The other end of the second spring 46 is kept out on the inner wall of the lower fixed seat 11.
There is cavity 427 between the support arm 421 and the fastener 42.
The upper end of the installation set 47 has annular groove 471, and the inside of the installation set 47 offers mounting hole 472, described
Ball 45 and the second spring 46 are arranged in the mounting hole 472, and one end of the mounting hole 472 is tapered, so that
The ball 45 will not be deviate from out of described mounting hole 472.
After the polychrome blows and draws side mold clamping, the connecting column 41 passes through the fastener 42 and is inserted into described
In installation set 47, lower end magnetic attracting with the connecting column 41 after the electromagnet 44 is powered, by the master mold 1, male model 2 with
And the molding state locking of the overturning die holder 3, meanwhile, the fastener 42 is by upper 411 elastic clamping of shaft part, the rolling
45 elasticity of pearl is kept out in the gap slot 413 of the lower shaft part 412, is beneficial to prevent the connecting column 41 and is moved upwards, into one
Step improves the stablizing effect that side mold clamping is drawn in the polychrome air blowing.
When the polychrome blows and draws side mold die sinking, the 44 power loss magnetism of electromagnet disappears, in first spring
Under 43 elastic restoring force, the connecting column 41 is moved upwards in company with fixed seat 21, and mold is opened.
As shown in Figure 1, the inside of the master mold 1 is formed with a footwear body mode portion 13 of recess, in the footwear body mode
Shoe tree mold core 12 is detachably provided in portion 13, the shoe tree mold core 12 is in shoe-shaped, passes through the master mold 1, male model 2 and turning mould
The combination of seat 3, make in same secondary mold can straight forming there is the sole of unlike material characteristic and color, when molding, by institute
It states overturning 3 turn-over of die holder and is covered on 1 upside of master mold, so that footwear body is aligned with sole convex block with bottom, and footwear body and sole are convex
Gap is formed between block, and after the gluing of the footwear body bottom, the male model 2, the turning mould are made by the lock cell 4
After seat 3 and the master mold 1 are fixed, then the injection material into sole die cavity, form a sole, wherein the material of molding sole
The material and color of matter and the sole convex block be it is different, the sole convex block and the footwear body are combined into one by the sole
Body, and become the complete shoes of a pair of, it is formed without using more secondary molds, the expense and others manufacturing expenses of die sinking can be reduced
With reduction production cost.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of polychrome, which is blown, draws side mold, comprising: master mold (1), male model (2) and overturning die holder (3), the male model (2) and institute
One end that overturning die holder (3) is articulated in the master mold (1) is stated, overturning die holder (3) correspondence be located in the master mold (1)
Upside, male model (2) correspondence is superimposed on the overturning die holder (3), and is fastened in the master mold (1), which is characterized in that
It further include lock cell (4), the lock cell (4) includes connecting column (41), fastener (42), installation set (47), electromagnet
(44), ball (45) and second spring (46), the connecting column (41) are fixed on the upper fixed seat (21) of the male model (2) one end
Lower end, the fastener (42) are embedded in the block set (31) of described overturning die holder (3) one end, and the installation set (47) is embedded
In the lower fixed seat (11) of described master mold (1) one end, the electromagnet (44) is embedded in the lower end of the installation set (47), described
Connecting column (41) is extended downwardly by the fastener (42), and with the electromagnet (44) magnetic attracting, the ball (45)
It is arranged in the installation set (47) with second spring (46), one end of the ball (45) is kept out in the connecting column (41)
Side, the other end of the ball (45) keeps out in one end of the second spring (46).
2. polychrome according to claim 1, which is blown, draws side mold, which is characterized in that have a pair in the fastener (42)
Turn-buckle, the turn-buckle include sequentially connected support arm (421), lower bending section (425), linking arm (422), on
The upper end of bending section (426) and elasticity arm (423), the support arm (421) is connect with the inner wall of the fastener (42), described
The upper shaft part (411) of connecting column (41) passes through between a pair of of elasticity arm (423), and the lower part of the elasticity arm (423) has can
Keep out the clamping seamed edge (424) on upper shaft part (411) surface.
3. polychrome according to claim 2, which is blown, draws side mold, which is characterized in that the lower shaft part of the connecting column (41)
(412) it extends in the installation set (47), the side of the lower shaft part (412) has gap slot (413), the ball (45)
One end keep out in the gap slot (413).
4. polychrome according to claim 3, which is blown, draws side mold, which is characterized in that the lower end of the gap slot (413) has
Have inclined-plane (414), the lower end of the gap slot (413) is smoothly transitted into the lower shaft part (412) by the inclined-plane (414)
Surface.
5. polychrome according to claim 2, which is blown, draws side mold, which is characterized in that the lock cell (4) further includes set
It keeps out fixed the upper end of the first spring (43) being located on the connecting column (41) periphery, first spring (43)
Seat (21) lower end, the lower end of first spring (43) is kept out in the upper end of the fastener (42).
6. polychrome according to claim 5, which is blown, draws side mold, which is characterized in that the top of the fastener (42) has
For the through-hole (429) that the upper shaft part (411) passes through, the lower end of first spring (43) is kept out in the through-hole (429)
On upper surface.
7. polychrome according to claim 1, which is blown, draws side mold, which is characterized in that the other end of the second spring (46)
It keeps out on the inner wall of the lower fixed seat (11).
8. polychrome according to claim 2, which is blown, draws side mold, which is characterized in that the elasticity arm (423) and the company
Connecing between arm (422) has movable chamber (428).
9. polychrome according to claim 2, which is blown, draws side mold, which is characterized in that the support arm (421) and it is described tightly
There are cavity (427) between firmware (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811017464.8A CN108973181B (en) | 2018-09-01 | 2018-09-01 | Multicolor blowing upper drawing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811017464.8A CN108973181B (en) | 2018-09-01 | 2018-09-01 | Multicolor blowing upper drawing die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108973181A true CN108973181A (en) | 2018-12-11 |
| CN108973181B CN108973181B (en) | 2023-10-20 |
Family
ID=64548309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811017464.8A Active CN108973181B (en) | 2018-09-01 | 2018-09-01 | Multicolor blowing upper drawing die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108973181B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115071004A (en) * | 2022-06-23 | 2022-09-20 | 晋江中天模具有限公司 | PVC polychrome rotary die |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB738437A (en) * | 1953-07-01 | 1955-10-12 | Argentina De Alpargatas Sa Ind | Improvements in or relating to apparatus for vulcanising rubber soles on to footwear |
| JP2008093987A (en) * | 2006-10-12 | 2008-04-24 | Sumitomo Heavy Ind Ltd | Mold clamping device |
| JP2008302520A (en) * | 2007-06-05 | 2008-12-18 | Nissei Plastics Ind Co | Mold clamping device with preventing mechanism for mold falling |
| JP2010149450A (en) * | 2008-12-26 | 2010-07-08 | Japan Steel Works Ltd:The | Method of molding multicolor molded product and mold for multicolor molding |
| CN203141747U (en) * | 2013-03-04 | 2013-08-21 | 陈怡良 | Multicolor blowing upper-drawing die |
| US20150328808A1 (en) * | 2014-05-19 | 2015-11-19 | Toyo Tire & Rubber Co., Ltd. | Method for manufacturing seat pad |
| EP2949457A1 (en) * | 2013-01-24 | 2015-12-02 | ASICS Corporation | Shoes and method for manufacturing same |
| CN207647317U (en) * | 2017-11-09 | 2018-07-24 | 东莞东晟磁电磁控技术有限公司 | The door special electric control lock of cabinet |
| CN208714537U (en) * | 2018-09-01 | 2019-04-09 | 晋江中天模具有限公司 | A kind of polychrome air blowing drawing side mold |
-
2018
- 2018-09-01 CN CN201811017464.8A patent/CN108973181B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB738437A (en) * | 1953-07-01 | 1955-10-12 | Argentina De Alpargatas Sa Ind | Improvements in or relating to apparatus for vulcanising rubber soles on to footwear |
| JP2008093987A (en) * | 2006-10-12 | 2008-04-24 | Sumitomo Heavy Ind Ltd | Mold clamping device |
| JP2008302520A (en) * | 2007-06-05 | 2008-12-18 | Nissei Plastics Ind Co | Mold clamping device with preventing mechanism for mold falling |
| JP2010149450A (en) * | 2008-12-26 | 2010-07-08 | Japan Steel Works Ltd:The | Method of molding multicolor molded product and mold for multicolor molding |
| EP2949457A1 (en) * | 2013-01-24 | 2015-12-02 | ASICS Corporation | Shoes and method for manufacturing same |
| CN203141747U (en) * | 2013-03-04 | 2013-08-21 | 陈怡良 | Multicolor blowing upper-drawing die |
| US20150328808A1 (en) * | 2014-05-19 | 2015-11-19 | Toyo Tire & Rubber Co., Ltd. | Method for manufacturing seat pad |
| CN207647317U (en) * | 2017-11-09 | 2018-07-24 | 东莞东晟磁电磁控技术有限公司 | The door special electric control lock of cabinet |
| CN208714537U (en) * | 2018-09-01 | 2019-04-09 | 晋江中天模具有限公司 | A kind of polychrome air blowing drawing side mold |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115071004A (en) * | 2022-06-23 | 2022-09-20 | 晋江中天模具有限公司 | PVC polychrome rotary die |
| CN115071004B (en) * | 2022-06-23 | 2023-09-08 | 晋江中天模具有限公司 | PVC polychrome rotary die utensil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108973181B (en) | 2023-10-20 |
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