CN115302666A - A quick replacement mould for bubble plastic forming machine - Google Patents
A quick replacement mould for bubble plastic forming machine Download PDFInfo
- Publication number
- CN115302666A CN115302666A CN202211025819.4A CN202211025819A CN115302666A CN 115302666 A CN115302666 A CN 115302666A CN 202211025819 A CN202211025819 A CN 202211025819A CN 115302666 A CN115302666 A CN 115302666A
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- China
- Prior art keywords
- fixedly connected
- die
- replacement
- limiting
- mold
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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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a quick replacement die for a foam plastic forming machine, which relates to the technical field of the foam plastic forming machine and solves the technical problems that when a die core is replaced, the die core cannot be well guided and positioned, so that deviation can occur in the installation process, and further the whole installation is influenced.
Description
Technical Field
The invention relates to the technical field of foam molding machines, in particular to a quick replacement mold for a foam molding machine.
Background
The foam plastic forming machine is a common foam plastic machine, generally used for manufacturing polystyrene foam plastic plates, and currently, the existing foam plastic forming machines on the market are formed by filling raw materials into a mold and then performing steam forming, so that different sets of molds are required to be changed when different products are manufactured on the same forming machine.
According to the patent with application number cn201811392072.X, it is shown that the patent comprises: the fixed die installation seat is arranged on the rack, the movable die installation seat is arranged opposite to the fixed die installation seat, and the driving device is arranged on the rack and drives the movable die installation seat to be close to or far away from the fixed die installation seat; the detachable mould structure for the foam plastic molding further comprises a fixed mould core and a movable mould core, wherein the fixed mould core is detachably connected with the fixed mould mounting seat, the movable mould core is detachably connected with the movable mould mounting seat, the detachable mould structure for the foam plastic molding is used for detaching a mould, the fixed mould core and the movable mould core are detachably connected with the fixed mould mounting seat, and the movable mould core is detachably connected with the movable mould mounting seat; above-mentioned patent is when changing the mould, because the mold core is bulky, if can not be fine carry out spacing guide effect to it when changing, then the dislocation of installation can appear, and further can influence holistic installation progress.
Disclosure of Invention
The invention aims to provide a quick replacement die for a foam molding machine, which solves the following technical problems:
when changing the die core, can not be fine come to its effect of guiding orientation to the deviation appears in the installation can appear, further causes the influence for holistic installation.
The purpose of the invention can be realized by the following technical scheme:
a quick replacement die for a foam molding machine comprises an installation base, wherein a first support column and a second support column are fixedly connected to two sides of the top of the installation base respectively, a support rod is fixedly connected between the first support column and the second support column, a die replacement mechanism is connected to the support rod in a sliding manner, the support rod is used for supporting the die replacement mechanism, the die replacement mechanism can slide conveniently by the support rod, the die replacement mechanism comprises a die replacement frame assembly which is connected with the support rod in a sliding manner, the die replacement frame assembly is arranged in a concave manner, a die replacement core is connected to the inner side of the die replacement frame assembly in a sliding manner, a plurality of limiting clamping plates are fixedly connected to the inner side of the die replacement frame assembly, the limiting guide effect is performed on the mounted die replacement core by the aid of the plurality of limiting clamping plates with the same size, therefore, mounting position deviation of the die replacement core in the installation process is avoided, further influence on the whole installation process is caused by the fact that the die replacement frame assembly is arranged, limiting support plates are connected to the upper and lower parts of the inner bottom of the concave type die replacement frame assembly in a sliding manner, two ends of the limiting support plates are connected with two sides of the die replacement frame assembly in a sliding manner, and a friction reduction mechanism is performed on the whole die replacement frame assembly in the sliding manner of the sliding mechanism;
the die core replacing device comprises a die core main body plate, one side of the die core main body plate is fixedly connected with a die core main body, a top fixedly connected with connecting handle of the die core main body plate is used for fixing and lifting the connecting handle in the installation process, a supporting point is provided for lifting the whole die core replacing device, limiting convex blocks are fixedly connected to the two sides of the die core main body plate, the limiting convex blocks are multiple, limiting convex points are fixedly connected to the two sides of the limiting convex blocks, the limiting convex points arranged on the two sides of the limiting convex blocks are in contact with the limiting clamping plates, and therefore friction when the limiting convex points are in contact with the limiting clamping plates is increased, and further limiting effect is achieved on the installation of the replacing die core.
As a further scheme of the invention: the die replacement frame assembly comprises a mounting frame main body connected with the supporting rod in a sliding mode, fixing rods are fixedly connected to the inner portions of two sides of the mounting frame main body, springs are fixedly connected to the tops of the two fixing rods, the springs can be stretched further to generate reverse force to lift the limiting supporting plate in the working process, and therefore the die replacement cores placed on the limiting supporting plate are buffered and supported.
As a further scheme of the invention: the equal fixedly connected with gag lever post in inside both sides of mounting bracket main part, two equal sliding connection has the sliding block on the dead lever, the top of two sliding blocks and the bottom fixed connection of spring, and two sliding blocks pass through connecting piece and gag lever post sliding connection, the bottom fixedly connected with limiting plate of mounting bracket main part inner chamber is connected sliding block and gag lever post through the connecting piece, utilizes the gag lever post to come to carry out limiting displacement to gliding sliding block to improve the gliding stability of sliding block, and the top fixed connection of gag lever post and bottom limiting plate.
As a further scheme of the invention: the limiting support plate comprises a support plate main body connected with the replacement mold frame assembly in a sliding mode, a limiting groove is formed in the top of the support plate main body, the limiting groove is used for limiting the bottom of the replacement mold core during installation, accordingly, installation of the replacement mold core is guided, the position deviation during installation is avoided, the influence on the whole installation is avoided, a limiting baffle is fixedly connected to the top of the support plate main body, two sides of the connecting handle located at the top of the installation frame main body are arranged, and the limiting effect is achieved on the replacement mold core during installation.
As a further scheme of the invention: the mounting base comprises a mounting base body, a mounting groove is formed in the top of the mounting base body, a placing rod and a connecting block are fixedly connected to the inside of the mounting groove, the surface of the placing rod is connected with the connecting block in a sliding mode, the two connecting blocks are fixedly connected with the sliding base, the connecting block slides to drive the die replacing mechanism to move, and therefore resistance to movement of the die replacing mechanism is reduced.
As a further scheme of the invention: one side fixedly connected with fixed die plate of support column one, one side fixedly connected with pneumatic cylinder of support column two, and one side and the change die mechanism fixed connection of pneumatic cylinder.
As a further scheme of the invention: the die holder replacing component is integrally concave, a through groove is formed in one side of the concave die holder replacing component, and the limiting supporting plate is connected with the through groove in a sliding mode.
As a further scheme of the invention: the diameter of changing mould core bottom matches each other with the diameter of spacing groove, sets up the spacing groove that matches each other and carries out limiting displacement to changing the mould core for better to convenient when the installation comes to carry out guiding orientation's effect to changing the mould core, the dislocation condition when avoiding appearing the installation causes the influence to follow-up work, and the both ends and the dead lever fixed connection of limiting plate.
The invention has the beneficial effects that:
1. carry out quick installation to changing the mould core through the change mould frame subassembly that sets up, secondly utilize the spacing backup pad of sliding connection between the change mould frame subassembly to support the change mould core of installation, thereby utilize the spring action of spring to provide a holding power to changing the mould core, avoid direct mount to lead to the fact the damage to changing mould frame subassembly whole because the great reason of change mould core quality, utilize spacing groove and limit baffle to carry out spacing effect of direction when changing the installation of mould core, the spacing joint board of cooperation comes further spacing direction of carrying on, thereby guarantee can not appear the skew of installation when installing changing the mould core, avoid causing the influence to the installation.
2. Come to provide the holding power to the change die mechanism in the working process through the sliding bottom who sets up, secondly utilize sliding bottom and the pole of placing to be connected and reduce the frictional force of slip in-process to make more smooth and easy that change die mechanism removed, utilize the spacing bump of setting to increase simultaneously and spacing joint board between the frictional force of installation, further improve the stability of installation.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view of a foam molding machine according to the present invention;
FIG. 2 is a schematic perspective view of the mold change mechanism of the present invention;
FIG. 3 is a schematic perspective view of a mold change rack assembly of the present invention;
FIG. 4 is a schematic perspective view of a mold core change of the present invention;
FIG. 5 is a schematic cross-sectional view of a mold change rack according to the present invention;
FIG. 6 is a perspective view of the limiting support plate of the present invention;
fig. 7 is a schematic perspective view of the mounting base of the present invention.
In the figure: 1. installing a base; 11. a mount body; 12. mounting grooves; 13. placing a rod; 14. connecting blocks; 2. a first supporting column; 3. a second supporting column; 4. a support bar; 5. replacing the mould mechanism; 51. replacing the die carrier assembly; 511. a mounting bracket main body; 512. a fixing rod; 513. a spring; 514. a slider; 515. a limiting rod; 516. a limiting plate; 53. replacing the mold core; 531. a mold core main body plate; 532. a mold core body; 533. a connecting handle; 534. a limiting bump; 535. limiting salient points; 54. a limiting clamping and connecting plate; 55. a limiting support plate; 551. a support plate main body; 552. a limiting groove; 553. a limit baffle; 56. a sliding base; 57. a through groove; 6. fixing the template; 7. and a hydraulic cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, the invention relates to a quick replacement mold for a foam molding machine, comprising a mounting base 1, a fixed template 6 is fixedly connected to one side of a first support pillar 2, a hydraulic cylinder 7 is fixedly connected to one side of a second support pillar 3, one side of the hydraulic cylinder 7 is fixedly connected with a mold replacement mechanism 5, the mounting base 1 comprises a mounting base body 11, a mounting groove 12 is formed in the top of the mounting base body 11, a placing rod 13 is fixedly connected to the inside of the mounting groove 12, connecting blocks 14 are slidably connected to the surfaces of the two placing rods 13, the two connecting blocks 14 are fixedly connected with a sliding base 56, the mold replacement mechanism 5 is driven to move by the sliding of the connecting blocks 14, so as to reduce the moving resistance of the mold replacement mechanism 5, the two sides of the top of the mounting base 1 are fixedly connected with the first support pillar 2 and the second support pillar 3 respectively, a support rod 4 is fixedly connected between the first support pillar 2 and the second support pillar 3, a mold replacement mechanism 5 is slidably connected to the support rod 4, the mold replacement mechanism 5 is supported by the support rod 4, a sliding block assembly 51 connected with a sliding block assembly 511 connected with a sliding block assembly, and a sliding block assembly 511 connected with a sliding block assembly of a sliding block spring, and a sliding block 5 connected with a sliding block 511, the bottom of the inner cavity of the mounting frame body 511 is fixedly connected with a limiting plate 516, a sliding block 514 is connected with the limiting rod 515 through a connecting piece, the sliding block 514 is limited by the limiting rod 515, thereby improving the sliding stability of the sliding block 514, the limiting rod 515 is fixedly connected with the top of the bottom limiting plate 516, fixing rods 512 are fixedly connected in the two sides of the mounting frame body 511, springs 513 are fixedly connected above the tops of the two fixing rods 512, the springs 513 can be further stretched to generate a reverse force to lift the limiting support plate 55 in the working process, thereby performing a buffering support effect on a replacement mold core 53 placed on the limiting support plate 55, the replacement mold frame assembly 51 is arranged in a concave shape, the inner side of the replacement mold frame assembly 51 arranged in the concave shape is slidably connected with the replacement mold core 53, the diameter of the bottom of the replacement mold core 53 is matched with the diameter of the limiting groove 552, the limiting groove 552 matched with each other is arranged to better limit the replacement mold core 53, thereby conveniently performing a guiding positioning effect on the replacement mold core 53, avoiding the situation that the subsequent mounting work affects the two ends of the replacement mold core 516, and the replacement mold core 54 is further connected with the replacement mold core 54, and the replacement mold core 54 is connected with the same size of the replacement mold core 54 in the replacement mold frame assembly in the process, the limiting support plate 55 comprises a support plate main body 551 slidably connected with the replacement mold frame assembly 51, a limiting groove 552 is formed in the top of the support plate main body 551, the limiting groove 552 is used for limiting the bottom of the installed replacement mold core 53, so that the installation of the replacement mold core 53 is guided, the occurrence of position deviation during installation is avoided, and the whole installation is affected, the top of the support plate main body 551 is fixedly connected with a limiting baffle 553, the connecting handles 533 are arranged on two sides of the top of the installation frame main body 511 for limiting the installed replacement mold core 53, two ends of the limiting support plate 55 are slidably connected with two sides of the replacement mold frame assembly 51 arranged in a concave mode, the replacement mold frame assembly 51 is used for supporting the installed replacement mold core 53 in a vertical sliding mode, the bottom of the replacement mold frame assembly 51 is fixedly connected with a sliding base 56, the sliding base 56 is integrally slid through the mutual matching of the sliding base 56 and the connecting block 14, and the friction generated in the moving process of the replacement mold mechanism 5 is reduced;
the replacement mold core 53 comprises a mold core main body plate 531, a mold core main body 532 is fixedly connected to one side of the mold core main body plate 531, a connecting handle 533 is fixedly connected to the top of the mold core main body plate 531, the connecting handle 533 is used for fixing and lifting during installation, a supporting point is provided for lifting the entire replacement mold core 53, a limiting convex block 534 is fixedly connected to both sides of the mold core main body plate 531, a plurality of limiting convex points 535 are fixedly connected to both sides of the limiting convex blocks 534, the limiting convex points 535 arranged on both sides of the limiting convex blocks 534 are in contact with the limiting clamping plate 54, so that friction when the limiting convex points 535 are in contact with the limiting clamping plate 54 is increased, the installation of the replacement mold core 53 is further limited, and the replacement mold core 53 is rapidly installed through the replacement mold frame assembly 51, secondly, the limiting support plate 55 connected with the replacement die frame assemblies 51 in a sliding manner is used for supporting the installed replacement die core 53, so that the elastic force of the spring 513 is used for providing a support force for the replacement die core 53, the damage to the whole replacement die frame assembly 51 caused by the high quality of the replacement die core 53 in the direct installation is avoided, the limiting guide effect is carried out when the replacement die core 53 is installed by utilizing the limiting groove 552 and the limiting baffle 553, the limiting guide effect is further carried out by matching with the limiting clamping plate 54, the installation deviation is avoided when the replacement die core 53 is installed, the influence on the installation process is avoided, the support force is provided for the replacement die mechanism 5 in the working process by the arranged sliding base 56, and the friction force in the sliding process is reduced by the connection of the sliding base 56 and the placing rod 13, so that the movement of the replacement die mechanism 5 is smoother, the limiting convex points 535 are arranged to increase the friction force between the limiting clamping plate 54 and the installation, and the installation stability is further improved.
The working principle of the invention comprises the following steps
The method comprises the following steps: when the mold replacing mechanism 5 is replaced, the connecting handle 533 is hooked by the lifting device, and then the connecting handle 533 is lifted upwards, so that the whole mold replacing core 53 is separated upwards from the whole mold replacing frame assembly 51 to replace the whole mold replacing frame assembly 51;
step two: when the die core replacing device is installed, the limiting convex blocks 534 and the limiting convex points 535 are used for mutually clamping and sliding with the limiting clamping plates 54 on two sides inside the die replacing frame assembly 51, the die replacing core 53 is further contacted with the limiting grooves 552, so that the limiting operation is carried out on the bottom of the die replacing core 53 by the limiting grooves 552, the limiting support plate 55 descends between the die replacing frame assemblies 51 along with the descending of the die replacing core 53, the limiting support plate 55 descends and simultaneously drives the two sliding blocks 514 to slide on the fixed rod 512, the sliding blocks 514 are used for driving the springs 513 on the fixed rod 512 to stretch, and the die replacing core 53 on the limiting support plate 55 is supported by the resilience force generated in the stretching process of the springs 513;
step three: when the whole limiting support plate 55 descends to the top of the limiting plate 516, the whole limiting support plate 55 at the moment stops descending and utilizes the limiting plate 516 to wholly support the die core 53 to be replaced, meanwhile, the sliding block 514 slides on the limiting rod 515 through the connecting block, the limiting rod 515 is utilized to limit the sliding block 514, and the whole installation process of the die mechanism 5 to be replaced is completed.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. A quick replacement die for a foam molding machine comprises an installation base, wherein a first support column and a second support column are fixedly connected to the top of the installation base, and the quick replacement die is characterized in that a support rod is fixedly connected between the first support column and the second support column, a die replacement mechanism is slidably connected onto the support rod and comprises a die replacement frame assembly slidably connected with the support rod, a die replacement core is slidably connected to the inner side of the die replacement frame assembly, a plurality of limiting clamping plates are fixedly connected to the inner side of the die replacement frame assembly, a limiting support plate is slidably connected to the bottom of the inner side of the die replacement frame assembly, and a sliding base is fixedly connected to the bottom of the die replacement frame assembly;
the die core replacing device is characterized in that the die core replacing device comprises a die core main body plate, one side of the die core main body plate is fixedly connected with a die core main body, the top of the die core main body plate is fixedly connected with a connecting handle, two sides of the die core main body plate are fixedly connected with limit convex blocks, and the two sides of each limit convex block are fixedly connected with limit convex points.
2. The quick-change mold for a foam molding machine as claimed in claim 1, wherein the mold-changing frame assembly comprises a mounting frame body slidably connected to a support rod, fixing rods are fixedly connected to both sides of the mounting frame body, and springs are fixedly connected to tops of the two fixing rods.
3. The quick replacement mould for the foam molding machine according to claim 2, characterized in that, the equal fixedly connected with gag lever post in inside both sides of mounting bracket main part, two equal sliding connection has the sliding block on the dead lever, and two sliding blocks pass through connecting piece and gag lever post sliding connection, the bottom fixedly connected with limiting plate of mounting bracket main part inner chamber.
4. The quick replacement mold for the foam molding machine as claimed in claim 1, wherein the limiting support plate comprises a support plate main body slidably connected with the replacement mold frame assembly, a limiting groove is formed in the top of the support plate main body, and a limiting baffle is fixedly connected to the top of the support plate main body.
5. The quick replacement mold for the foam molding machine as claimed in claim 1, wherein the mounting base comprises a mounting seat body, a mounting groove is formed in the top of the mounting seat body, a placing rod is fixedly connected to the inside of the mounting groove, and connecting blocks are slidably connected to the surfaces of the two placing rods.
6. The quick-change mold for the foam molding machine as claimed in claim 1, wherein a fixed mold plate is fixedly connected to one side of the first supporting column, a hydraulic cylinder is fixedly connected to one side of the second supporting column, and one side of the hydraulic cylinder is fixedly connected to the mold changing mechanism.
7. The quick-change mold for a foam molding machine as claimed in claim 2, wherein the replacement mold frame assembly is generally concave, and a through groove is formed on one side of the concave shape of the replacement mold frame assembly, and the limit support plate is slidably connected with the through groove.
8. The quick-change mold for the foam molding machine as claimed in claim 1, wherein the diameter of the bottom of the mold core is matched with the diameter of the limiting groove, and both ends of the limiting plate are fixedly connected with the fixing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211025819.4A CN115302666B (en) | 2022-08-25 | 2022-08-25 | Quick-change die for foam molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211025819.4A CN115302666B (en) | 2022-08-25 | 2022-08-25 | Quick-change die for foam molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115302666A true CN115302666A (en) | 2022-11-08 |
| CN115302666B CN115302666B (en) | 2023-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211025819.4A Active CN115302666B (en) | 2022-08-25 | 2022-08-25 | Quick-change die for foam molding machine |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5096404A (en) * | 1990-10-31 | 1992-03-17 | At&T Bell Laboratories | Quick mold change arrangement for injection molding machines |
| KR101434211B1 (en) * | 2014-03-03 | 2014-08-27 | (주)이피엠테크 | Mold assembly |
| US20150028504A1 (en) * | 2012-04-20 | 2015-01-29 | David Frost | Quick change mold system |
| CN108274677A (en) * | 2018-02-13 | 2018-07-13 | 烟台裕华液力机械有限公司 | A kind of quick die change device and the foam forming machine with quick die change device |
| CN109333909A (en) * | 2018-11-21 | 2019-02-15 | 宁夏永标实业有限公司 | A kind of foam molding detachable mould structure |
| CN109927231A (en) * | 2019-04-01 | 2019-06-25 | 中山胡氏机械设备有限公司 | A kind of quick die-filling foamed molding machine |
| CN213830007U (en) * | 2020-10-28 | 2021-07-30 | 无锡格利斯环保科技有限公司 | Outer supporting assembly of foam plastic forming die |
| CN214645482U (en) * | 2021-04-09 | 2021-11-09 | 迪米精密科技(东莞)有限公司 | But mould embryo structure of quick replacement mold core |
| CN214687455U (en) * | 2020-12-18 | 2021-11-12 | 深圳市铭力模具制品有限公司 | Mold blank structure with replaceable mold core |
-
2022
- 2022-08-25 CN CN202211025819.4A patent/CN115302666B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5096404A (en) * | 1990-10-31 | 1992-03-17 | At&T Bell Laboratories | Quick mold change arrangement for injection molding machines |
| US20150028504A1 (en) * | 2012-04-20 | 2015-01-29 | David Frost | Quick change mold system |
| KR101434211B1 (en) * | 2014-03-03 | 2014-08-27 | (주)이피엠테크 | Mold assembly |
| CN108274677A (en) * | 2018-02-13 | 2018-07-13 | 烟台裕华液力机械有限公司 | A kind of quick die change device and the foam forming machine with quick die change device |
| CN109333909A (en) * | 2018-11-21 | 2019-02-15 | 宁夏永标实业有限公司 | A kind of foam molding detachable mould structure |
| CN109927231A (en) * | 2019-04-01 | 2019-06-25 | 中山胡氏机械设备有限公司 | A kind of quick die-filling foamed molding machine |
| CN213830007U (en) * | 2020-10-28 | 2021-07-30 | 无锡格利斯环保科技有限公司 | Outer supporting assembly of foam plastic forming die |
| CN214687455U (en) * | 2020-12-18 | 2021-11-12 | 深圳市铭力模具制品有限公司 | Mold blank structure with replaceable mold core |
| CN214645482U (en) * | 2021-04-09 | 2021-11-09 | 迪米精密科技(东莞)有限公司 | But mould embryo structure of quick replacement mold core |
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| CN115302666B (en) | 2023-04-21 |
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