CN114750367B - Three-plate non-simultaneous open type mold stacking mold structure - Google Patents
Three-plate non-simultaneous open type mold stacking mold structure Download PDFInfo
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- CN114750367B CN114750367B CN202210433210.4A CN202210433210A CN114750367B CN 114750367 B CN114750367 B CN 114750367B CN 202210433210 A CN202210433210 A CN 202210433210A CN 114750367 B CN114750367 B CN 114750367B
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- 238000000034 method Methods 0.000 claims abstract description 10
- 238000001746 injection moulding Methods 0.000 claims description 24
- 238000000926 separation method Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 abstract description 14
- 239000007924 injection Substances 0.000 abstract description 14
- 238000010438 heat treatment Methods 0.000 description 7
- 239000012778 molding material Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a three-plate non-simultaneous open type overlapped die structure which comprises a front die, a rear die and a stripper plate, wherein the rear die, the front die and the stripper plate are arranged in a stacked mode, the rear die is arranged at the bottom end, the front die is arranged between the rear die and the stripper plate, a first die cavity for forming one product is arranged between the front die and the rear die, a second die cavity for forming the other product is arranged between the front die and the stripper plate, the second die cavity and the first die cavity are sequentially separated in a driving process of the rear die in a direction away from the front die, and an injection runner of the first die cavity is connected with an injection runner of the second die cavity. The invention provides a three-plate non-simultaneous open type mold stacking structure which has a laminated design and is respectively used for producing different products in a laminated structure so as to ensure the matching synchronism of the whole product.
Description
Technical Field
The invention relates to the field of molds, in particular to a three-plate non-simultaneous open type mold stacking mold structure.
Background
In the conventional injection molding production process, a set of dies is often used for forming a product, so that the conditions of various dies, large occupied space and high cost are caused.
In order to save the space occupied by the die, improve the production efficiency and the like, some dies are designed in a laminated mode, but the laminated modes are all designed in a laminated mode, and the batch design of the same product is carried out by adopting the characteristics of uniform and stable acting force transmission in a laminated state, so that the aim of improving the production efficiency is fulfilled. But the independence of the design is strong, other matched structures cannot be synchronously produced, namely the product yield is larger than that matched with the product in the production process, so that the product synchronism is poor, the assembly process is lagged, and the production efficiency of the whole product is affected.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the three-plate non-simultaneous open type mold stacking structure has a laminated design, and is respectively used for producing different products in a laminated structure so as to ensure the matching synchronism of the whole product.
The invention solves the problems by adopting the following technical scheme: the utility model provides a three board are with open mould structure that folds, includes front mould, rear mould and takes off the flitch, rear mould, front mould are range upon range of setting with taking off the flitch, the bottom is located to the rear mould, the front mould is located the rear mould and takes off between the flitch, be equipped with the first die cavity that is used for shaping a product between front mould and the rear mould, be equipped with the second die cavity that is used for shaping another product between front mould and the take off the flitch, according to the direction drive in-process of keeping away from the front mould through the rear mould, realize the split mould of second die cavity and first die cavity in proper order, the runner of moulding plastics of first die cavity is connected with the runner of moulding plastics of second die cavity.
Compared with the prior art, the invention has the advantages that: the first die cavity is used for producing one product, and the second die cavity produces another product, in the injection molding process, because the runner of moulding plastics of first die cavity is connected with the runner of moulding plastics of second die cavity, can guarantee the synchronism of pouring, if the circumstances of pouring failure appears, the pouring quality of two kinds of products can both be influenced, can not carry out supporting assembly, can avoid one of them product surplus, and the circumstances that another product is not enough, simultaneously in two die cavity shaping processes, because the design of range upon range of, through single actuating source, just can guarantee the uniformity of two die cavity atress, guarantee the injection molding quality of two kinds of die cavities.
According to the improvement, when the rear die moves in the direction away from the front die, if the stripper plate is not limited, the stripper plate moves along with the front die and the rear die, so that the stripper plate cannot be separated from the front die, and the product in the second die cavity is not demoulded.
As an improvement of the invention, a first limit groove is arranged on the top die holder, a first limit bolt is inserted into the first limit groove, the head part of the first limit bolt is connected in the first limit groove in a limit movement way, the insertion end of the first limit bolt penetrates through the top die holder and the stripper plate, and the first limit bolt is fixedly connected with the stripper plate, and the limit of the stripper plate is realized through the improvement.
As an improvement of the invention, the ejector pin assembly used for ejecting the product in the second die cavity is arranged above the second die cavity, and the ejector pin assembly is designed to facilitate the demolding of the product in the second die cavity.
As an improvement of the invention, the ejector pin assembly comprises an ejector pin plate and an ejector pin, the ejector pin is fixedly connected to the ejector pin plate, the upper end of the ejector pin plate is provided with a driving rod for driving the ejector pin plate to move and eject, and by the improvement, the ejector pin assembly is used for ejecting a product in a second die cavity and is not directly in transmission connection with a driving source, so that the ejection mode of the ejector pin assembly in the traditional design is not suitable for being used in the design, and the ejection function of the ejector pin assembly can be realized through the design of the driving rod, thereby facilitating the demolding.
As an improvement of the invention, in the die assembly state, a gap is arranged between the bottom of the first limit groove and the head of the first limit bolt, the middle section of the driving rod is hinged on the stripper plate, one end of the driving rod is hinged with the ejector pin plate, the other end of the driving rod is in limit connection with the ejector die seat through a limit block, when the gap is reduced, the stripper plate is separated from the ejector die seat, the driving rod rotates to eject the ejector pin plate, through the improvement, the separation of the stripper plate and the ejector die seat is realized, in the downward movement process of the stripper plate, the other end of the driving rod is in limit connection with the ejector die seat to ensure the unchanged height, and one end of the driving rod ejects the ejector pin due to the hinge connection, so that the ejection of a product in the second die cavity is realized.
As an improvement, a reset spring is arranged between the ejector pin plate and the stripper plate, and by the improvement, the ejector pin assembly is reset when the mold is closed, so that the next injection molding quality is ensured, and the next demolding of a second mold cavity product is facilitated.
According to the invention, the connecting sleeve is arranged between the head part of the first limit bolt and the first limit groove, and by the improvement, when the stripper plate is separated from the top die seat, if the design of the connecting sleeve is not adopted, the first limit bolt can rub with the top die seat, so that the long-term use of the top die seat and the first limit bolt is not facilitated, and the coaxiality of the first limit bolt is influenced, so that the position offset between the top die seat and the stripper plate is caused.
According to the invention, the front die is limited and connected to the top die seat, when the rear die moves in the direction away from the front die, the first die cavity is divided, and by the improvement, when the rear die moves in the direction away from the front die, if the front die is not limited, the front die and the rear die move, so that the front die cannot be separated from the rear die, and the demolding of a product in the first die cavity is not facilitated.
As an improvement, the top die holder is also connected with a second limit bolt, the front die is provided with a second limit groove which is matched with the second limit bolt for limiting, and the front die is limited by the improvement, so that the front die and the rear die are separated in the downward moving process of the rear die, and the die separation of the first die cavity is realized.
Drawings
FIG. 1 is a schematic cross-sectional view of a first mold cavity and a second mold cavity according to the present invention.
FIG. 2 is a schematic view of the injection molding runner structure of the present invention.
Fig. 3 is a schematic diagram of a connection structure of a first limit bolt and a second limit bolt according to the present invention.
Fig. 4 is a schematic cross-sectional view of a guide post according to the present invention.
Fig. 5 is a schematic diagram of a connection structure of another embodiment of the driving rod and the stopper according to the present invention.
Fig. 6 is a schematic diagram of a connection structure between a stopper and a top mold base in another embodiment of the present invention.
The figure shows: 1. front mould, 1.1, second spacing groove, 2, back mould, 3, take off the flitch, 4, first die cavity, 5, second die cavity, 6, the runner of moulding plastics, 7, the top die holder, 7.1, first spacing groove, 7.2, the clearance, 7.3, the adapter sleeve, 7.4, stopper removes the groove, 8, first spacing bolt, 9, thimble subassembly, 9.1, thimble board, 9.2, thimble, 9.3, actuating lever, 9.4, reset spring, 9.5, stopper, 10, second spacing bolt, 11, guide post.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1-2, a three-plate non-simultaneous open type stacked die structure comprises a front die 1, a rear die 2 and a stripper plate 3, wherein the rear die 2, the front die 1 and the stripper plate 3 are arranged in a stacked manner, the rear die 2 is arranged at the bottom end, the front die 1 is arranged between the rear die 2 and the stripper plate 3, a first die cavity 4 for forming one product is arranged between the front die 1 and the rear die 2, a second die cavity 5 for forming the other product is arranged between the front die 1 and the stripper plate 3, the second die cavity 5 and the first die cavity 4 are sequentially separated in the driving process of the rear die 2 in a direction far away from the front die 1, an injection runner 6 of the first die cavity 4 is connected with an injection runner 6 of the second die cavity 5, injection molding is carried out through an injection molding port, and injection molding materials are split and flow to two first die cavities 4 and two second die cavities 5 respectively for forming two different products.
In the injection molding process, in order to ensure smoothness of injection molding materials in the injection runner 6 and facilitate cleaning of the injection molding materials after injection molding is completed, the connection part of the injection runner 6 of the first mold cavity 4 and the injection runner 6 of the second mold cavity 5 is arranged between the stripper plate 3 and the front mold 1, because a plurality of corners are arranged at the connection part, the injection molding materials are easy to accumulate at the connection parts, when the stripper plate 3 and the front mold 1 are separated and demoulded, the injection molding materials are cooled and solidified, when next injection molding is performed, the injection molding materials in the injection runner 6 need to be heated and liquefied or cleaned, if only heating and liquefying are adopted, the injection molding period is prolonged, meanwhile, the distribution range and the distribution number of heating parts are greatly increased, so that the cost of the injection molding mold is greatly increased, if only cleaning is adopted, the layout limitation of the injection runner 6 is very high, and in the heating process is carried out around the two mold cavities, the utilization ratio of heating parts around the two mold cavities is also reduced, so that the heating and liquefying combined method is adopted, and when the next injection molding is performed, the injection molding runner 6 is designed, and the cleaning is designed in a more reasonable way than the first mold cavity is designed, and the second mold is designed, and the cleaning is designed in the mode that the mode is better than the first mold cavity is designed and the 4. Meanwhile, the injection runner 6 of the second die cavity 5 is also arranged between the stripper plate 3 and the front die 1, the structural design of the integral injection runner 6 is simplified, the injection runner 6 is processed on the die, the processing is simpler, the injection runner 6 of the first die cavity 4 is provided with a runner which is vertically designed in the front die 1, the runner is not easy to clean, the runner is arranged around the first die cavity 4, heating parts around the first die cavity 4 are reasonably utilized, the processing of injection molding materials is carried out by adopting a heating and liquefying method, and the smoothness of the injection runner 6 is ensured.
As shown in fig. 3, the three-plate non-simultaneous open type stacked die structure further comprises a top die holder 7 fixedly arranged, the stripper plate 3 is in limiting connection with the top die holder 7, and when the rear die 2 moves in a direction away from the front die 1, the die separation of the second die cavity 5 is realized. The top die seat 7 is provided with a first limit groove 7.1, a first limit bolt 8 is inserted in the first limit groove 7.1, the head of the first limit bolt 8 is connected in the first limit groove 7.1 in a limit moving way, the insertion end of the first limit bolt 8 penetrates through the top die seat 7 and the stripper plate 3, the first limit bolt 8 is fixedly connected with the stripper plate 3, the front die 1 is in limit connection with the top die seat 7, when the rear die 2 moves in a direction far away from the front die 1, the die separation of the first die cavity 4 is realized, the top die seat 7 is also connected with a second limit bolt 10, the front die 1 is provided with a second limit groove 1.1 matched with the second limit bolt 10, the insertion end of the second limit bolt 10 is provided with a threaded hole matched with the insertion end of the first limit bolt 8, and after the first limit bolt 8 is fixedly connected with the second limit bolt 10 in a threaded way, the stripper plate 3 is abutted against the second limit bolt 10, and the first limit bolt 3 and the first limit bolt 8 are fixedly limited.
As shown in fig. 1 and 2, a thimble assembly 9 for ejecting a product in the second mold cavity 5 is arranged above the second mold cavity 5, the thimble assembly 9 comprises a thimble plate 9.1 and a thimble 9.2, the thimble 9.2 is fixedly connected to the thimble plate 9.1, a driving rod 9.3 for driving the thimble plate 9.1 to move and eject is arranged at the upper end of the thimble plate 9.1, a gap 7.2 is arranged between the bottom of the first limit groove 7.1 and the head of the first limit bolt 8 in a mold closing state, the middle section of the driving rod 9.3 is hinged to the stripping plate 3, one end of the driving rod 9.3 is hinged to the thimble plate 9.1, the other end of the driving rod 9.3 is in limiting connection with the thimble seat 7 through a limiting block 9.5, when the gap 7.2 is reduced, the stripping plate 3 is separated from the thimble seat 7, the driving rod 9.3 rotates to eject the thimble plate 9.1, a reset spring 9.4 is arranged between the thimble plate 9.1 and the stripping plate 3, and the head of the first limit bolt 8 is provided with a limit connecting sleeve 7.1. When the second die cavity 5 is demolded, the front die 1, the stripper plate 3 and the ejector pin assembly 9 are separated and demolded by utilizing a downward movement driving mode of the rear die 2, wherein the front die 1 and the stripper plate 3 are separated in a conventional downward movement mode, and the ejector pin assembly 9 utilizes a lever structure of the driving rod 9.3 to enable the downward movement distance of the ejector pin plate 9.1 to be larger than the downward movement distance of the stripper plate 3, so that the ejection purpose of the ejector pin 9.2 on a product in the second die cavity 5 is realized.
The first die cavity 4 is further provided with an ejection assembly for ejecting the product in the first die cavity 4 and a lateral module for forming the product in the first die cavity 4, wherein the ejection assembly and the lateral module are of conventional structures in the die, and are not shown in the schematic diagram.
As shown in fig. 4, in order to ensure the stability of movement during the parting process between the top die holder 7, the stripper plate 3, the front die 1 and the rear die 2, a guide post 11 penetrating the top die holder 7, the stripper plate 3, the front die 1 and the rear die 2 is provided along four corners of the three-plate non-simultaneous open stack die structure.
During die separation, the operation actions are as follows:
s1: the rear die 2 moves downwards, and the front die 1, the stripper plate 3 and the rear die 2 synchronously move downwards;
S2: the gap 7.2 is eliminated, the stripper plate 3 is limited, the stripper plate 3 is separated from the front die 1, and meanwhile, the ejector pin assembly 9 ejects out the product in the second die cavity 5;
S3: the rear die 2 continues to move downwards, the front die 1 is limited, the rear die 2 is separated from the front die 1, the lateral die blocks transversely withdraw, and the ejection assembly ejects the product in the first die cavity 4;
s4: taking out the two products, wherein the total is four;
s5: driving the rear mold 2 to move upwards to perform mold closing;
S6: resetting the lateral module and the ejection assembly;
s7: the front die 1 is propped against the rear die 2, and the rear die 2 drives the front die 1 to move upwards;
s8: the front die 1 is propped against the stripper plate 3 to drive the stripper plate 3 to move upwards;
s9: under the action of the reset spring 9.4, the thimble assembly 9 resets, and the thimble 9.2 exits the second die cavity 5;
S10: the stripper plate 3 is abutted against the top die seat 7 to prepare for the next injection molding.
Another embodiment where the drive rod 9.3 is connected to the stopper 9.5:
As shown in fig. 5 and 6, in order to ensure the connection stability of the driving rod 9.3 and the limiting block 9.5, the limiting block 9.5 is a cylinder fixedly connected to the other end of the driving rod 9.3, two ends of the limiting block 9.5 protrude out of the driving rod 9.3, a limiting block moving groove 7.4 connected with the protruding portion of the limiting block 9.5 is arranged on the top die seat 7, two ends of the limiting block are movably connected in the limiting block moving groove 7.4, and the limiting of the ejection distance of the ejector plate 9.1 can be realized through the design of the limiting block moving groove 7.4.
In the original embodiment, the rotation angle of the driving rod 9.3 is limited by utilizing the gap 7.2 between the bottom of the first limiting groove 7.1 and the head of the first limiting bolt 8, and the other end of the driving rod 9.3 is limited on the top die seat 7 only through the limiting block 9.5, so that the stable connection effect and the control effect are not achieved, and unstable friction is easily caused between the other end of the driving rod 9.3 and the limiting block 9.5, between the other end of the driving rod 9.3 and the lower surface of the top die seat 7 during each demolding, which is not beneficial to the stable use of the driving rod 9.3, and the service lives of the driving rod 9.3 and the limiting block 9.5 are not easy to control.
Through the design of another embodiment, the connection stability between the driving rod 9.3 and the limiting block 9.5 can be stabilized, the unstable friction condition is avoided, meanwhile, only the other end of the driving rod 9.3 is required to be designed into a semicircle, the circle center of the limiting block 9.5 and the other end of the driving rod 9.3 are concentric, friction can be prevented from occurring with the lower surface of the top die seat 7 when the driving rod 9.3 rotates, and therefore the service life of the driving rod 9.3 and the limiting block 9.5 is guaranteed.
The foregoing is illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. All changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (5)
1. The utility model provides a three board are with open mould structure that folds which characterized in that: including front mould (1), rear mould (2) and take off flitch (3), rear mould (2), front mould (1) are the range upon range of setting with take off flitch (3), the bottom is located to rear mould (2), between rear mould (2) and take off flitch (3) are located to front mould (1), be equipped with first die cavity (4) that are used for shaping a product between front mould (1) and rear mould (2), be equipped with second die cavity (5) that are used for shaping another product between front mould (1) and take off flitch (3), drive the in-process according to the direction of keeping away from front mould (1) through rear mould (2), realize the split mould of second die cavity (5) and first die cavity (4) in proper order, injection moulding runner (6) of first die cavity (4) are connected with injection moulding runner (6) of second die cavity (5), three board are different with open die stack mould structures still including being fixed die holder (7) that set up, take off flitch (3) spacing connection is on die holder (7), when first die (7) are kept away from in the direction of keeping away from front mould (1), first die cavity (7) is realized to one side of die holder (7), the head of the first limit bolt (8) is movably connected in the first limit groove (7.1) in a limit way, the insertion end of the first limit bolt (8) passes through the ejector die holder (7) and the stripper plate (3) and the first limit bolt (8) is fixedly connected with the stripper plate (3), an ejector pin assembly (9) for ejecting a product in the second die cavity (5) is arranged above the second die cavity (5), the ejector pin assembly (9) comprises an ejector plate (9.1) and an ejector pin (9.2), the ejector pin (9.2) is fixedly connected to the ejector plate (9.1), the upper end of the ejector plate (9.1) is provided with a driving rod (9.3) for driving the ejector plate (9.1) to move and eject, in a die closing state, a gap (7.2) is arranged between the bottom of the first limit groove (7.1) and the head of the first limit bolt (8), the driving rod (9.3) is hinged on the stripper plate (3), the ejector pin assembly (9.2) is connected with the ejector plate (9.1) in a hinge joint manner, and when the ejector pin (9.3) is separated from the ejector plate (9.1) by the ejector plate (9.1) in a die closing state, and the ejector pin is separated from the ejector plate (9.3) by the ejector pin seat (9.1),
S1: the rear mould (2) moves downwards, and the front mould (1) and the stripper plate (3) and the rear mould (2) synchronously move downwards;
S2: the gap (7.2) is eliminated, the stripper plate (3) is limited, the stripper plate (3) is separated from the front die (1), and meanwhile, the ejector pin assembly (9) ejects out the product in the second die cavity (5);
S3: the rear die (2) continues to move downwards, the front die (1) is limited, the rear die (2) is separated from the front die (1), the lateral die block transversely withdraws, and the ejection assembly ejects the product in the first die cavity (4);
s4: taking out the two products, and taking out the four products.
2. The three-plate non-simultaneous open stack mold structure according to claim 1, wherein: a reset spring (9.4) is arranged between the thimble plate (9.1) and the stripper plate (3).
3. The three-plate non-simultaneous open stack mold structure according to claim 1, wherein: a connecting sleeve (7.3) is arranged between the head of the first limit bolt (8) and the first limit groove (7.1).
4. The three-plate non-simultaneous open stack mold structure according to claim 1, wherein: the front die (1) is in limit connection with the top die seat (7), and when the rear die (2) moves in a direction away from the front die (1), the die separation of the first die cavity (4) is realized.
5. The three-plate non-simultaneous open stack mold structure according to claim 4, wherein: the top die seat (7) is further connected with a second limit bolt (10), and the front die (1) is provided with a second limit groove (1.1) which is matched with the second limit bolt (10) for limiting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210433210.4A CN114750367B (en) | 2022-04-24 | 2022-04-24 | Three-plate non-simultaneous open type mold stacking mold structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210433210.4A CN114750367B (en) | 2022-04-24 | 2022-04-24 | Three-plate non-simultaneous open type mold stacking mold structure |
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| CN114750367A CN114750367A (en) | 2022-07-15 |
| CN114750367B true CN114750367B (en) | 2024-05-07 |
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| CN201520038U (en) * | 2009-09-23 | 2010-07-07 | 佛山市顺德区百年科技有限公司 | Laminated mold of air conditioner longitudinal grating |
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| CN103624934A (en) * | 2013-12-17 | 2014-03-12 | 昌辉精密模具（黄山）有限公司 | Repeatedly parting pin-point gate mold |
| CN212219102U (en) * | 2019-12-30 | 2020-12-25 | 厦门涌腾达电子有限公司 | Prevent injection mold that product outward appearance was strained |
| CN213860457U (en) * | 2020-11-24 | 2021-08-03 | 威海三元塑胶科技有限公司 | Injection mold capable of automatically ejecting |
| CN215703624U (en) * | 2021-07-19 | 2022-02-01 | 德仕科技（深圳）有限公司 | Laminated injection mold |
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