CN119408080A - A secondary core pulling mechanism and core pulling method for a slider of an injection mold - Google Patents
A secondary core pulling mechanism and core pulling method for a slider of an injection mold Download PDFInfo
- Publication number
- CN119408080A CN119408080A CN202510005801.5A CN202510005801A CN119408080A CN 119408080 A CN119408080 A CN 119408080A CN 202510005801 A CN202510005801 A CN 202510005801A CN 119408080 A CN119408080 A CN 119408080A
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- core
- slider
- core pulling
- molding
- insert
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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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- 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
- B29C45/44—Removing or ejecting moulded articles for undercut articles
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
本发明公开了一种注塑模具的滑块二次抽芯机构及抽芯方法，该抽芯机构包括主滑块座、延时弯销、成型镶件、内滑块、拉条和两抽芯镶件，主滑块座内部设有与内滑块适配的第一滑道，成型镶件内部设有第二滑道；拉条的一端与内滑块相连，拉条的另一端设有两斜导向槽；抽芯镶件活动设置在第二滑道内，抽芯镶件与斜导向槽滑动配合，抽芯镶件的端部设有倒扣成型槽。本发明中主滑块座和内滑块均通过延时弯销单一驱动，可以实现多个方向倒扣同时脱出功能，其驱动力简单单一，抽芯机构运行顺畅，整体结构简单，注塑产品倒扣脱出效果好，可节约一面或多面滑块的投入和使用成本，减少了模具空间占用，能够提高生产稳定性，减少损耗维护成本。
The present invention discloses a secondary core pulling mechanism and a core pulling method for a slider of an injection mold. The core pulling mechanism includes a main slider seat, a delayed bending pin, a molding insert, an inner slider, a pull rod and two core pulling inserts. A first slideway adapted to the inner slider is provided inside the main slider seat, and a second slideway is provided inside the molding insert; one end of the pull rod is connected to the inner slider, and the other end of the pull rod is provided with two oblique guide grooves; the core pulling insert is movably arranged in the second slideway, the core pulling insert is slidably matched with the oblique guide groove, and an undercut molding groove is provided at the end of the core pulling insert. In the present invention, both the main slider seat and the inner slider are driven by a single delayed bending pin, and the undercut and simultaneous ejection function in multiple directions can be realized. The driving force is simple and single, the core pulling mechanism runs smoothly, the overall structure is simple, the undercut ejection effect of the injection molded product is good, the investment and use cost of one or more sliders can be saved, the mold space occupation is reduced, the production stability can be improved, and the loss and maintenance costs can be reduced.
Description
Technical Field
The invention belongs to the technical field of injection molds, and particularly relates to a slider secondary core-pulling mechanism and a core-pulling method of an injection mold.
Background
The injection mold is an important technological device for producing various industrial products, and along with the rapid development of the plastic industry and the popularization and application of plastic products in the industrial departments of aviation, aerospace, electronics, machinery, ships, automobiles and the like, the application range of the injection mold is wider and wider. The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and precise dimensions. Injection molding is a processing method used in mass production of parts with complex shapes, and specifically refers to injection molding of heated and melted plastic into a mold cavity by an injection molding machine under high pressure, and cooling and solidification are carried out to obtain a molded product. In the injection molding process, due to the special requirement of a product, the demolding direction of a certain part of the product is inconsistent with the mold opening direction of an injection molding machine, namely, the product is inverted, lateral parting is needed to be carried out in most cases, the product can be ejected smoothly by a core pulling side except for forced demolding in the rare cases, and the core pulling mechanism is a mold structure developed for solving the inverted mold, and the basic principle is that the vertical movement of opening and closing of the mold is converted into horizontal movement.
For some products with reverse buckling in the demolding directions, which are protruding in multiple directions, the existing injection molds are generally difficult to deal with, most of the existing injection molds are complex in structural design, multiple drives are required to be designed, and the internal operation coordination is poor, so that the overall manufacturing cost is high. Therefore, a novel core pulling mechanism with low complexity, smooth mechanism operation, stable mechanism and competitive force is needed to solve the demands of the products.
Disclosure of Invention
The invention aims to provide a slider secondary core pulling mechanism and a core pulling method of an injection mold, which are used for solving the problems in the prior art.
According to the technical scheme, the secondary core pulling mechanism of the sliding block of the injection mold comprises a main sliding block seat, a time-delay bent pin, a forming insert, an inner sliding block, a brace and two core pulling inserts, wherein the main sliding block seat is slidably arranged in a cavity of the injection mold, a first sliding way matched with the inner sliding block is arranged in the main sliding block seat, one end of the forming insert is connected with the main sliding block seat, a forming surface for forming the side surface of an injection molding product is arranged at the other end of the forming insert, a second sliding way is arranged in the forming insert, one end of the second sliding way is communicated with the first sliding way, the other end of the second sliding way is provided with an opening end extending to the forming surface, the brace is slidably arranged in the second sliding way, one end of the brace is connected with the inner sliding block, two inclined guide grooves are formed in the other end of the brace, the core pulling insert is movably arranged in the second sliding way, the core pulling insert is driven to be in sliding fit with the inclined guide grooves on the surface of the brace, a back-off forming groove for forming the injection molding product is formed at one end of the core pulling insert, the time-delay bent pin is inserted in the main sliding block seat, the second sliding block is communicated with the first sliding way, the two end of the second sliding block is enabled to be relatively far away from the opening end of the forming surface of the forming insert, and the second sliding block can be formed in the second sliding block, and the back-off groove can be relatively moved in the first sliding block and the sliding block can be relatively far away from the first sliding block and the bent end.
As an optional implementation manner of the technical scheme, the end faces of the brace and the two core-pulling inserts are flush with the molding surface, so that the open ends are blocked by the end faces of the brace and the two core-pulling inserts.
As an optional implementation manner of the above technical solution, two inclined planes are provided at the end of the brace, and the inclined guide groove is provided along the inclined planes.
As an optional implementation manner of the above technical solution, the inclined guide groove is T-shaped.
As an optional implementation manner of the above technical solution, the brace is L-shaped.
As an optional implementation manner of the technical scheme, a strip-shaped hole is formed in one end, far away from the back-off forming groove, of the core pulling insert, a limiting pin is arranged in the second slide way, and the limiting pin is inserted into the strip-shaped hole.
As an optional implementation manner of the above technical solution, the molding insert includes a molding insert and a mounting cover plate, and the molding insert and the mounting cover plate are detachably connected.
As an optional implementation manner of the technical scheme, one end of the inner slide is provided with a limiting clamping groove, and one end of the brace is provided with a clamping head matched with the limiting clamping groove.
As an optional implementation manner of the above technical solution, the inner slide is provided with a clearance hole adapted to the delay bent pin.
On the other hand, the core pulling method of the slider secondary core pulling mechanism of the injection mold comprises the following steps that the mold is opened, a delay bent pin vertically moves upwards, the delay bent pin enters a primary core pulling stroke, the delay bent pin drives the inner slider to move along a first slide way, the inner slider drives a brace to move, the brace drives two core pulling inserts to translate in a second slide way, one ends of the two core pulling inserts with inverted buckle forming grooves are mutually close, and accordingly two opposite inverted buckles of an injection product are separated from the inverted buckle forming grooves, primary core pulling is completed, the delay bent pin continues to move upwards, the delay bent pin enters a secondary core pulling stroke, and the delay bent pin drives a main slider seat, the forming inserts and the two core pulling inserts to integrally move, so that the forming surfaces of the forming inserts are far away from the injection product, and secondary core pulling is completed.
The beneficial effects of the invention are as follows:
The invention does not use other external force when the die is opened, the inner sliding block is driven to move along with the brace in the first core pulling stroke by using the time-delay bent pin, the brace drives the two core pulling inserts to translate in the second slideway, one ends of the two core pulling inserts with the back-off forming grooves are mutually close, so that the two opposite back-off parts of the injection molding product are separated from the back-off forming grooves, and the time-delay bent pin drives the main sliding block seat, the forming inserts and the two core pulling inserts to integrally move in the second core pulling stroke, so that the forming surfaces of the forming inserts are far away from the injection molding product. According to the invention, the main sliding block seat and the inner sliding block are driven singly through the delay bent pin, so that the function of synchronously releasing the back-off in multiple directions can be realized, the driving force is simple and single, the core pulling mechanism operates smoothly, the whole structure is simple, the back-off releasing effect of an injection molding product is good, the investment and the use cost of one or more sliding blocks can be saved, the occupied space of a die is reduced, the production stability can be improved, and the loss and maintenance cost can be reduced.
Drawings
FIG. 1 is a schematic perspective view of a secondary core-pulling mechanism of a slider in an embodiment of the present invention;
FIG. 2 is an exploded view of a slider secondary core-pulling mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic view of a molding insert according to one embodiment of the present invention;
FIG. 4 is a schematic view of the structure of an inner slider according to an embodiment of the present invention;
FIG. 5 is a schematic view of the structure of a brace in one embodiment of the invention;
FIG. 6 is a schematic view of the structure of an injection molded product according to an embodiment of the present invention;
FIG. 7 is a diagram of the motion state of a time delay bent pin in one embodiment of the invention;
FIG. 8 is a diagram showing the movement of the stay and core back insert in accordance with one embodiment of the present invention.
The drawing comprises a 1-main sliding block seat, a 2-time delay bent pin, a 3-molding insert, a 4-inner sliding block, a 5-brace, a 6-core pulling insert, a 7-inclined guide groove, an 8-back-off molding groove, a 9-strip-shaped hole, a 10-limit pin, a 11-molding insert, a 12-mounting cover plate, a 13-limit clamping groove, a 14-clamping head, a 15-position avoiding hole, a 16-injection molding product and a 17-back-off.
Detailed Description
As shown in fig. 1-8, this embodiment provides a slider secondary core-pulling mechanism of an injection mold, including a main slider seat 1, a time-delay bent pin 2, a molding insert 3, an inner slider 4, a brace 5 and two core-pulling inserts 6, the main slider seat 1 is slidably disposed in a cavity of the injection mold, and a first slideway adapted to the inner slider 4 is disposed inside the main slider seat 1. The inner slide 4 is slidably mounted in the first slide, and the inner slide 4 is provided with a clearance hole 15 adapted to the time delay bent pin 2. The delay bending pin 2 can drive the inner slide block 4 to slide along the first slide way in the main slide block seat 1, and the delay bending pin 2 can also drive the main slide block seat 1 to slide in the cavity of the injection mold so as to carry out demolding.
As shown in fig. 1 and 2, one end of the molding insert 3 is connected with the main slide block seat 1 through a bolt, the other end of the molding insert 3 is provided with a molding surface for molding the side surface of the injection molding product 16, a second slide way is arranged in the molding insert 3, one end of the second slide way is communicated with the first slide way, and the other end of the second slide way is provided with an opening end extending to the molding surface. The molding insert 3 is connected with the main sliding block seat 1 into a whole, and the time delay bent pin 2 can drive the main sliding block seat 1 and the molding insert 3 to move together.
As shown in fig. 5, the pull rod 5 is slidably disposed in the second slide way, one end of the pull rod 5 is connected with the inner slide 4, two inclined guide grooves 7 are disposed on the surface of the other end of the pull rod 5, the core-pulling inserts 6 are movably disposed in the second slide way, the two core-pulling inserts 6 are respectively disposed on two sides of the pull rod 5, the core-pulling inserts 6 are slidably matched with the inclined guide grooves 7 on the surface of the pull rod 5, the end portion of the core-pulling insert 6 is provided with an inverted buckle forming groove 8 for forming an inverted buckle 17 of an injection product 16, and the inverted buckle forming grooves 8 of the two core-pulling inserts 6 are relatively disposed. When the brace 5 moves along the horizontal direction, the brace 5 can translate with the core-pulling inserts 6 due to the sliding fit of the core-pulling inserts 6 and the inclined guide grooves 7 on the surface of the brace 5, so that one ends of the two core-pulling inserts 6 with the inverted buckle forming grooves 8 are close to each other.
As shown in fig. 7, the delay bent pin 2 is inserted on the main slider seat 1, when the delay bent pin 2 is driven by a mold to move upwards, the delay bent pin 2 enters a first core pulling stroke, the delay bent pin 2 drives the inner slider 4 to move with the pull strip 5, the pull strip 5 drives the two core pulling inserts 6 to translate in the second slide way, one ends of the two core pulling inserts 6 with the back-off forming grooves 8 are close to each other, and accordingly two opposite back-off 17 of the injection product 16 are separated from the back-off forming grooves 8. When the time delay bent pin 2 continues to move upwards, the time delay bent pin 2 enters a second core-pulling stroke from the first core-pulling stroke, and the time delay bent pin 2 can drive the main sliding block seat 1, the molding insert 3 and the two core-pulling inserts 6 to move integrally so as to enable the molding surface of the molding insert 3 to be far away from the injection molding product 16.
In one embodiment, the end surfaces of the stay 5 and the two core-pulling inserts 6 are flush with the molding surface, so that the end surfaces of the stay 5 and the two core-pulling inserts 6 seal the open end, so that the injection product 16 forms a plane, and two opposite back-off buckles 17 are formed on the plane in a scattered manner.
Wherein, the tip of brace 5 is equipped with two inclined planes, and two inclined planes are located the both sides of brace 5 respectively, and inclined guide groove 7 sets up along the inclined plane to make brace 5 can order about two core-pulling inserts 6 to take place the translation in the second slide. Preferably, the inclined guide groove 7 is T-shaped, and the brace 5 is L-shaped.
As shown in fig. 8, in a specific embodiment, a strip-shaped hole 9 is formed at one end of the core pulling insert 6 away from the back-off forming groove 8, a limit pin 10 is arranged in the second slide way, and the limit pin 10 is inserted into the strip-shaped hole 9.
As shown in fig. 3, as an alternative implementation of the present embodiment, the molding insert 3 includes a molding insert 11 and a mounting cover plate 12, and the molding insert 11 and the mounting cover plate 12 are detachably connected. The second slide way is arranged in the forming insert 11, and the mounting cover plate 12 is mounted on the forming insert 11 through bolts, so that the assembly of the brace 5 is facilitated.
In order to facilitate the assembly of the inner slide 4 and the pull strip 5, one end of the inner slide 4 is provided with a limiting clamping groove 13, and one end of the pull strip 5 is provided with a clamping head 14 which is matched with the limiting clamping groove 13. The clamping head 14 of the brace 5 is clamped into the limiting clamping groove 13, so that the inner slide 4 and the brace 5 can be assembled quickly, and the assembly efficiency is improved.
The main sliding block seat 1 and the delay bent pin 2 are common components of an injection mold, the inner sliding block 4 is a core pulling mechanism connecting and driving part, and is arranged in the main sliding block seat 1, the front end of the inner sliding block is connected with a brace 5, is driven by the delay bent pin 2 and is limited by a limiting glass bead and a limiting screw. The molding insert 3 and the main slide block seat 1 are connected through a fixed bolt to form a whole, and the inner slide block 4 and the brace 5 are connected to form a movable main body to drive the core pulling insert 6 to move. The front end of the molding insert 3 is a molding surface of the injection product 16 for molding the side surface of the injection product 16. The molding insert 3 includes a molding insert 11 and a mounting cover plate 12, and the mounting cover plate 12 covers the core back insert 6. The stay 5 is provided with an inclined guide groove 7, the inclined guide groove 7 provides a position for installing the core-pulling insert 6, and the core-pulling insert 6 is driven to translate through the inclined guide groove 7, so that the back-off 17 is released. The head of the core-pulling insert 6 is a product glue position with a back-off forming groove 8, the tail of the core-pulling insert 6 is provided with a strip-shaped hole 9, and the strip-shaped hole 9 is matched with a limit pin 10 to limit the movement of the core-pulling insert 6. When the die is opened, the inner slide 4 moves rightwards under the driving action of the delay bent pin 2, the inner slide 4 drives the brace 5 with the inclined guide groove 7 arranged at the front end of the inner slide 4 to move rightwards, and one ends of the two core-pulling inserts 6 are mutually close to each other under the limiting action of the strip-shaped hole 9 and the limiting pin 10, so that two opposite back-ups 17 of the injection molding product 16 gradually deviate from the back-up forming groove 8.
The invention is driven by the opening and closing die movement of the machine table, and does not use other external force. Before die opening, the core pulling mechanism is in an initial state. When the mold is opened, the inner slide 4 starts to move under the drive of the delay bent pin 2, the main slide seat 1 does not move in the delay section of the delay bent pin 2, the inner slide 4 drives the brace 5 arranged at the front end of the inner slide to move, the brace 5 drives the two core-pulling inserts 6 to translate, one ends of the two core-pulling inserts 6 with the back-off forming grooves 8 are mutually close, so that two opposite back-off 17 of the injection product 16 are separated from the back-off forming grooves 8, the brace 5 stops moving after reaching a preset position, then the main slide seat 1 is finished due to the delay section of the delay bent pin 2, the delay bent pin 2 drives the main slide seat 1, the forming inserts 3 and the two core-pulling inserts 6 to move integrally under the drive of the delay bent pin 2, the conventional slide side core-pulling action is completed, the movement is stopped after reaching the preset position of the main slide seat 1, the mold is opened, the mold is completed, the product is ejected out, and then the mold is assembled according to the reverse movement sequence, and the initial state is restored. The main sliding block seat 1 and the inner sliding block 4 are driven singly through the delay bent pin 2, and the driving force is stable by adopting a pure mechanical structure, and the device has a simple structure and mass production property.
The embodiment also provides a core pulling method of the slider secondary core pulling mechanism of the injection mold, which comprises the following steps that the mold is opened, the delay bent pin 2 moves vertically upwards, the delay bent pin 2 enters a primary core pulling stroke, the delay bent pin 2 drives the inner slider 4 to move along a first slide way, the inner slider 4 drives the brace 5 to move, the brace 5 drives the two core pulling inserts 6 to translate in a second slide way, one ends of the two core pulling inserts 6 with the back-off forming grooves 8 are mutually close, so that two opposite back-off 17 of the injection product 16 are separated from the back-off forming grooves 8 to complete primary core pulling, the delay bent pin 2 continues to move upwards, the delay bent pin 2 enters a secondary core pulling stroke, and the delay bent pin 2 drives the main slider seat 1, the forming inserts 3 and the two core pulling inserts 6 to integrally move so that the forming surfaces of the forming inserts 3 are far away from the injection product 16 to complete secondary core pulling.
Compared with the prior art, the invention has the following advantages:
1. The function of simultaneously releasing the reverse buckles 17 in multiple directions can be realized;
2. the driving force is simple and single, and the core pulling mechanism operates smoothly;
3. the whole structure is simple, and the back-off 17 of the injection product 16 has good release effect;
4. The investment and the use cost of one or more sliding blocks can be saved, and the occupation of the die space is reduced;
5. The production stability can be improved, and the loss maintenance cost is reduced.
In the description of the present invention, the terms "mounted," "connected," "secured," and the like are to be construed broadly as being either fixedly connected, detachably connected, or integrally formed, as being mechanically or electrically connected, as being either directly or indirectly connected via an intermediate medium, as being either internal to two elements or as being an interaction relationship between the two elements, as will be understood by those skilled in the art. Furthermore, the particular features, structures, etc. described in the examples are included in at least one embodiment and those of skill in the art may combine features of different embodiments without contradiction. The scope of the present invention is not limited to the above-described specific embodiments, and embodiments which can be suggested to those skilled in the art without inventive effort according to the basic technical concept of the present invention are all within the scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510005801.5A CN119408080B (en) | 2025-01-03 | 2025-01-03 | A secondary core pulling mechanism and core pulling method for a slider of an injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510005801.5A CN119408080B (en) | 2025-01-03 | 2025-01-03 | A secondary core pulling mechanism and core pulling method for a slider of an injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119408080A true CN119408080A (en) | 2025-02-11 |
| CN119408080B CN119408080B (en) | 2025-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202510005801.5A Active CN119408080B (en) | 2025-01-03 | 2025-01-03 | A secondary core pulling mechanism and core pulling method for a slider of an injection mold |
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| CN (1) | CN119408080B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121105320A (en) * | 2025-11-14 | 2025-12-12 | 成都宝利根创科电子有限公司 | A three-stage core-pulling mold structure |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001205679A (en) * | 2000-01-28 | 2001-07-31 | Sanyo Electric Co Ltd | Simple mold for molding and method for molding it |
| JP2002127204A (en) * | 2000-10-27 | 2002-05-08 | Sekisui Chem Co Ltd | Injection mold |
| CN201268067Y (en) * | 2008-09-17 | 2009-07-08 | 广东东亚电器有限公司 | Injection mold with mechanical linking secondary loose core mechanism |
| KR20090123689A (en) * | 2008-05-28 | 2009-12-02 | 이원식 | Dual drive of slide core |
| CN101961776A (en) * | 2010-09-30 | 2011-02-02 | 凡嘉科技（无锡）有限公司 | Time-lapse core-pulling structure of sliding block of lock core die-casting mould |
| CN104772869A (en) * | 2015-05-03 | 2015-07-15 | 陈伟娅 | Sliding block head two-edge inward-shrinkage sliding block core-pulling mechanism |
| CN107839169A (en) * | 2016-12-30 | 2018-03-27 | 顾志鑫 | Sliding block core-pulling mechanism is received in a kind of both sides |
| CN108748893A (en) * | 2018-05-17 | 2018-11-06 | 乌鲁木齐九品芝麻信息科技有限公司 | A kind of multirow position core_pulling demoulding mold |
| CN113334706A (en) * | 2021-06-28 | 2021-09-03 | 深圳市美好创亿医疗科技股份有限公司 | Three-time homodromous core-pulling mechanism and injection mold |
| CN216732804U (en) * | 2021-11-22 | 2022-06-14 | 浙江零跑科技股份有限公司 | Compound linkage core-pulling structure of mould slider |
| WO2023040048A1 (en) * | 2021-09-14 | 2023-03-23 | 浙江凯华模具有限公司 | Injection mold slider-driven core-pulling undercut-releasing mechanism |
-
2025
- 2025-01-03 CN CN202510005801.5A patent/CN119408080B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001205679A (en) * | 2000-01-28 | 2001-07-31 | Sanyo Electric Co Ltd | Simple mold for molding and method for molding it |
| JP2002127204A (en) * | 2000-10-27 | 2002-05-08 | Sekisui Chem Co Ltd | Injection mold |
| KR20090123689A (en) * | 2008-05-28 | 2009-12-02 | 이원식 | Dual drive of slide core |
| CN201268067Y (en) * | 2008-09-17 | 2009-07-08 | 广东东亚电器有限公司 | Injection mold with mechanical linking secondary loose core mechanism |
| CN101961776A (en) * | 2010-09-30 | 2011-02-02 | 凡嘉科技（无锡）有限公司 | Time-lapse core-pulling structure of sliding block of lock core die-casting mould |
| CN104772869A (en) * | 2015-05-03 | 2015-07-15 | 陈伟娅 | Sliding block head two-edge inward-shrinkage sliding block core-pulling mechanism |
| CN107839169A (en) * | 2016-12-30 | 2018-03-27 | 顾志鑫 | Sliding block core-pulling mechanism is received in a kind of both sides |
| CN108748893A (en) * | 2018-05-17 | 2018-11-06 | 乌鲁木齐九品芝麻信息科技有限公司 | A kind of multirow position core_pulling demoulding mold |
| CN113334706A (en) * | 2021-06-28 | 2021-09-03 | 深圳市美好创亿医疗科技股份有限公司 | Three-time homodromous core-pulling mechanism and injection mold |
| WO2023040048A1 (en) * | 2021-09-14 | 2023-03-23 | 浙江凯华模具有限公司 | Injection mold slider-driven core-pulling undercut-releasing mechanism |
| CN216732804U (en) * | 2021-11-22 | 2022-06-14 | 浙江零跑科技股份有限公司 | Compound linkage core-pulling structure of mould slider |
Non-Patent Citations (1)
| Title |
|---|
| 熊毅等: "外侧整圈倒扣产品多向顺序抽芯注射模具", 《塑料工业》, vol. 49, no. 8, 31 August 2021 (2021-08-31), pages 81 - 86 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121105320A (en) * | 2025-11-14 | 2025-12-12 | 成都宝利根创科电子有限公司 | A three-stage core-pulling mold structure |
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| Publication number | Publication date |
|---|---|
| CN119408080B (en) | 2025-05-16 |
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