CN111113818B - Sequential core-pulling and die-opening structure of anisotropic combined sliding block and core-pulling method of die - Google Patents
Sequential core-pulling and die-opening structure of anisotropic combined sliding block and core-pulling method of die Download PDFInfo
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- CN111113818B CN111113818B CN202010052849.9A CN202010052849A CN111113818B CN 111113818 B CN111113818 B CN 111113818B CN 202010052849 A CN202010052849 A CN 202010052849A CN 111113818 B CN111113818 B CN 111113818B
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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
Abstract
The invention discloses a sequential core-pulling and die-opening structure of an anisotropic combined sliding block and a core-pulling method of a die. The anisotropic combined sliding block sequential core-pulling and die-opening structure combines core-pulling actions in two directions into the same set of core-pulling mechanism, so that the die is simplified, the die size is reduced, the die-opening action is greatly simplified, the risk of collision is avoided, and the comprehensive automatic production is realized.
Description
Technical Field
The invention relates to the technical field of core pulling of injection molds, in particular to a sequential core pulling and mold opening structure of an anisotropic combined sliding block and a core pulling method of a mold.
Background
The product shown in fig. 1 has a longer back-off, the cross section of the back-off is shown in fig. 2, and under the structural limitation of the periphery of the buckling position, the forced core pulling mechanism can be adopted in the side core pulling direction I to forcedly pull the core because of the large deformation space of the buckling position, but the premise is that space is needed to be made for elastic deformation of the buckling position in the mold opening direction II. Traditional mould can adopt the push pedal to loose core to the knot position in the die sinking direction, can adopt the slider to loose core in the side direction of loosing core, leads to mould structure complicacy, and the order is difficult to manage and control, easily causes the die collision danger.
Disclosure of Invention
The invention aims to provide a sequential core-pulling and die-opening structure of an anisotropic combined sliding block, which is used for simplifying the die structure and reducing the die size, thereby simplifying the die-opening action and avoiding the risk of die collision.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a special direction combination slider is loose core and is opened mould structure in succession, including the cover half, the slide, Y is to the wedging piece, X is to slider mold insert and Y is to slider mold insert, X is to slider mold insert front end and Y is to slider mold insert upper end combination formation's space as the shaping die cavity of knot position, X is to slider mold insert and slide be X to sliding fit and have the stroke vacancy, X is to wedging piece fixed connection slide, be equipped with the spout on the X is to wedging piece, Y is to slider mold insert and X forms sliding connection through spout and X to wedging piece, Y is to wedging piece fixed connection cover half, be equipped with the spout on the slide, Y is to wedging piece and slide form sliding connection through spout, Y is to wedging piece drives the slide and moves to the right along X axle side core-pulling direction when opening the mould, first through X is to wedging piece drive Y moves to slider mold insert down along the Y axle and detains position elastic deformation vacancies, drive X is to the slider mold insert to the right.
Further, a guide groove extending along the X axial direction is formed in the upper left end of the sliding seat, the right end of the X-direction sliding block insert is movably arranged in the guide groove, a limit groove is formed in the right end of the X-direction sliding block insert, a limit block penetrating through the limit groove is fixed on the sliding seat, and a stroke vacancy is formed between the limit block and the limit groove in the X axial direction.
Further, the anisotropic combined sliding block sequential core-pulling and die-opening structure further comprises a movable die, wherein the movable die comprises a movable die plate and a movable die liner, the sliding seat is fixed on the movable die plate, the Y-direction sliding block insert is movably arranged in a corresponding hole on the movable die liner, and a limiting surface for limiting the left movement of the X-direction sliding block insert is arranged on the movable die liner.
Further, a backhoe abrasion-resistant block is arranged on the movable template and is positioned on one side of the X-direction wedging block, which is away from the Y-direction sliding block insert.
Further, the sliding groove on the X-direction wedging block is a T-shaped groove, and the inclination angle of the T-shaped groove relative to the X-axis is an acute angle.
The invention also provides a core pulling method of the mould, the mould is provided with a structure that the anisotropic combined sliding block sequentially pulls the core and opens the mould,
the die opening process comprises the following steps:
step A1: before the mold opening distance reaches L, the Y-direction wedging block drives the sliding seat and the X-direction wedging block to slide towards the side core pulling direction, so that the Y-direction sliding block insert is driven to slide in the mold opening direction, space is reserved for elastic deformation of the buckling position, and in the process, the X-direction sliding insert does not act due to the influence of idle stroke and the effect of buckling position enclasping force;
a2, after the die opening distance reaches L, under the action of the Y-direction wedging block, the Y-direction sliding block insert continues to be far away from the buckling position, and the X-direction sliding block insert is driven by a limiting block on the sliding seat to be separated from the buckling position, so that core pulling is completed;
the die assembly process comprises the following steps:
step B1: in the process of closing the mould to the residual distance L from the complete mould closing, the Y-direction wedging block drives the sliding seat and the X-direction wedging block to slide, so that the Y-direction sliding block insert and the X-direction sliding block insert are forced to start to reset simultaneously until the X-direction sliding block insert contacts with a limiting surface on the movable mould liner and the X-direction sliding block insert is reset in place;
and B2, continuing to mold, wherein in the rest L distance, the Y-direction wedging block drives the sliding seat and the X-direction wedging block to act, so that the Y-direction sliding block insert is reset in place, the X-direction sliding block insert only leaves idle stroke, and a limiting block fixed on the sliding seat slides in a limiting groove on the X-direction sliding block insert relatively until the limiting block locks the X-direction sliding block insert, and the mold closing is finished.
Compared with the prior art, the structure of the anisotropic combined sliding block for sequentially pulling and opening the core simplifies the traditional push plate core pulling mechanism, combines the core pulling actions in two directions into the same set of core pulling mechanism, so that the die is simplified, the die size is reduced, the die opening action is greatly simplified, the risk of collision is avoided, and the comprehensive automatic production is realized.
Drawings
FIG. 1 is a schematic diagram of a product;
FIG. 2 is a cross-sectional view of a button location;
FIG. 3 is an assembly drawing of a product and a combined anisotropic slider sequential core-pulling and die-opening structure;
FIG. 4 is an exploded view of a sequential core-pulling and mold-opening structure of the anisotropic composite block;
FIG. 5 is a schematic view of the mold in a closed state with injection molding completed;
FIG. 6 is a schematic view showing a state when the die opening distance is 29 mm;
FIG. 7 is a schematic view of the state when the mold is completely opened;
FIG. 8 is a schematic illustration of a ejector pin ejecting product and injection runner cold charge;
FIG. 9 is a schematic diagram of the mold clamped to the remaining 29 mm;
fig. 10 is a schematic diagram of the mold fully closed to be injection molded.
Detailed Description
The invention will now be further described with reference to the drawings and detailed description.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1: referring to fig. 3 to 10, the present embodiment discloses a sequential core pulling and mold opening structure of an anisotropic combined slide block, which comprises a fixed mold, a slide seat 1, a Y-direction wedge block 2, an X-direction wedge block 3, an X-direction slide block insert 4 and a Y-direction slide block insert 5, wherein a space formed by combining the front end of the X-direction slide block insert 4 and the upper end of the Y-direction slide block insert 5 is used as a molding cavity of a buckling position, the X-direction slide block insert 4 is in X-direction sliding fit with the slide seat 1 and has a stroke vacancy, the X-direction wedge block 3 is fixedly connected with the slide seat 1, a sliding groove is arranged on the X-direction wedge block 3, the Y-direction slide block insert 5 is in sliding connection with the X-direction wedge block 3 through the sliding groove, the Y-direction wedge block 2 is fixedly connected with the fixed mold, the slide seat 1 is provided with the sliding groove, the Y-direction wedge block 2 is in sliding connection with the slide seat 1 through the sliding groove, during mold opening, the Y-direction wedge block 2 drives the slide seat 1 to move rightwards along the X-axis side core pulling direction, the Y-direction wedge block insert 5 is driven downwards along the Y axis to form a buckling position when the slide seat 1 moves rightwards along the Y axis, and the buckling position elastically deforms to drive the slide block 4 to move rightwards along the Y axis.
Specifically, the chute on the X-direction wedging block 3 is a T-shaped slot, and the inclination angle of the T-shaped slot relative to the X-axis is an acute angle.
The upper left end of the sliding seat 1 is provided with a guide groove extending along the X axial direction, the right end of the X-direction sliding block insert 4 is movably arranged in the guide groove, the right end of the X-direction sliding block insert 4 is provided with a limit groove, the sliding seat 1 is fixedly provided with a limit block 6 penetrating through the limit groove, and the limit block 6 and the limit groove are provided with a travel vacancy in the X axial direction.
The anisotropic combined slide block sequential core-pulling and die-opening structure further comprises a movable die, as shown in fig. 6, wherein the movable die comprises a movable die plate 7 and a movable die liner 8, the slide seat 1 is fixed on the movable die plate 7, the Y-direction slide block insert 5 is movably arranged in a corresponding hole on the movable die liner 8, and a limiting surface for limiting the left movement of the X-direction slide block insert 4 is arranged on the movable die liner 8. A backhoe abrasion-resistant block 9 is arranged on the movable template 7, and the backhoe abrasion-resistant block 9 is positioned on one side of the X-direction wedging block 3, which is away from the Y-direction sliding block insert 5.
Example 2: the embodiment provides a core pulling method of a mold, which is provided with the anisotropic combined sliding block sequential core pulling and mold opening structure in embodiment 1. In the mold closing state, the injection molding is completed, the Y-direction slide block insert 5 and the product form a structural back-off together, and on the premise that the X-direction slide block insert 4 cannot advance relative to the Y-direction slide block insert 5, and the X-direction slide block insert 4 and the Y-direction slide block insert cannot loose core simultaneously.
The core pulling method comprises the following steps when the die is opened:
step A1: before the mold is opened and the mold opening distance reaches L (L=29 mm), the Y-direction wedging block 2 drives the sliding seat 1 and the X-direction wedging block 3 to slide in the side core pulling direction, so that the Y-direction sliding block insert 5 is driven to slide in the mold opening direction, space is reserved for elastic deformation of the buckling position, and in the process, the X-direction sliding insert does not act due to the influence of idle stroke and the effect of the buckling position clasping force, as shown in fig. 6;
and step A2, after the die opening distance reaches 29mm, under the action of the Y-direction wedging block 2, the Y-direction sliding block insert 5 is continuously far away from the buckling position, and the X-direction sliding block insert 4 is driven by the limiting block 6 on the sliding seat 1 to be separated from the buckling position, so that core pulling is completed, as shown in figure 7.
And (3) fully opening the mold, and completing the core pulling action by the core pulling mechanism, and ejecting the product and the injection runner cold material out of the mold by using the ejector pins, as shown in fig. 8.
The core pulling method comprises the following steps when the die is closed:
step B1: in the process of die assembly, the Y-direction wedging block 2 drives the sliding seat 1 and the X-direction wedging block 3 to slide until the distance from the full assembly is 29mm, so that the Y-direction sliding block insert 5 and the X-direction sliding block insert 4 are forced to start to reset simultaneously until the position from the full assembly is 29mm, the X-direction sliding block insert 4 contacts with a limiting surface on a movable die liner, and the X-direction sliding block insert 4 is reset in place, as shown in fig. 9;
and B2, continuing to mold the mold, wherein in the rest 29mm distance, the Y-direction wedging block 2 drives the sliding seat 1 and the X-direction wedging block 3 to act, so that the Y-direction sliding block insert 5 is reset in place, the X-direction sliding block insert 4 only leaves idle stroke, and the limiting block 6 fixed on the sliding seat 1 slides in the limiting groove on the X-direction sliding block insert 4 until the limiting block 6 locks the X-direction sliding block insert 4, and the mold is ended, as shown in fig. 10, starting with the next production cycle.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides a different directional combination slider is loose core die sinking structure in succession which characterized in that: the mold comprises a fixed mold, a sliding seat, a Y-direction wedging block, an X-direction sliding block insert and a Y-direction sliding block insert, wherein a space formed by combining the front end of the X-direction sliding block insert and the upper end of the Y-direction sliding block insert is used as a molding cavity of a buckling position, the X-direction sliding block insert is in X-direction sliding fit with the sliding seat and is provided with a stroke vacancy, the X-direction wedging block is fixedly connected with the sliding seat, a sliding groove is arranged on the X-direction wedging block, the Y-direction sliding block insert is in sliding connection with the X-direction wedging block through the sliding groove, the Y-direction wedging block is fixedly connected with the fixed mold, the sliding seat is provided with the sliding groove, the Y-direction wedging block is in sliding connection with the sliding seat through the sliding groove, the Y-direction wedging block drives the sliding seat to move rightwards along the X-axis side core pulling direction, and the sliding seat is driven by the X-direction sliding block insert to move downwards along the Y-axis to elastically deform to vacate the buckling position when the sliding seat moves rightwards;
the left upper end of the sliding seat is provided with a guide groove extending along the X axial direction, the right end of the X-direction sliding block insert is movably arranged in the guide groove, the right end of the X-direction sliding block insert is provided with a limit groove, a limit block penetrating through the limit groove is fixed on the sliding seat, and a stroke vacancy is formed between the limit block and the limit groove in the X axial direction;
the movable mould comprises a movable mould plate and a movable mould liner, wherein the sliding seat is fixed on the movable mould plate, the Y-direction sliding block insert is movably arranged in a corresponding hole on the movable mould liner, and a limiting surface for limiting the left movement of the X-direction sliding block insert is arranged on the movable mould liner.
2. The anisotropic combined slide block sequential core-pulling and die-opening structure according to claim 1, wherein the structure is characterized in that: the movable mould plate is provided with a backhoe abrasion-resistant block, and the backhoe abrasion-resistant block is positioned at one side of the X-direction wedging block, which is away from the Y-direction sliding block insert.
3. The anisotropic composite slide block sequential core pulling and die opening structure according to any one of claims 1 to 2, wherein: the chute on the X-direction wedging block is a T-shaped chute, and the inclination angle of the T-shaped chute relative to the X axis is an acute angle.
4. A core pulling method of a mold is characterized in that the mold is provided with the anisotropic combined sliding block sequential core pulling and mold opening structure of any one of claims 1 to 3,
the die opening process comprises the following steps:
step A1: before the mold opening distance reaches L, the Y-direction wedging block drives the sliding seat and the X-direction wedging block to slide towards the side core pulling direction, so that the Y-direction sliding block insert is driven to slide in the mold opening direction, space is reserved for elastic deformation of the buckling position, and in the process, the X-direction sliding insert does not act due to the influence of idle stroke and the effect of buckling position enclasping force;
a2, after the die opening distance reaches L, under the action of the Y-direction wedging block, the Y-direction sliding block insert continues to be far away from the buckling position, and the X-direction sliding block insert is driven by a limiting block on the sliding seat to be separated from the buckling position, so that core pulling is completed;
the die assembly process comprises the following steps:
step B1: in the process of closing the mould to the residual distance L from the complete mould closing, the Y-direction wedging block drives the sliding seat and the X-direction wedging block to slide, so that the Y-direction sliding block insert and the X-direction sliding block insert are forced to start to reset simultaneously until the X-direction sliding block insert contacts with a limiting surface on the movable mould liner and the X-direction sliding block insert is reset in place;
and B2, continuing to mold, wherein in the rest L distance, the Y-direction wedging block drives the sliding seat and the X-direction wedging block to act, so that the Y-direction sliding block insert is reset in place, the X-direction sliding block insert only leaves idle stroke, and a limiting block fixed on the sliding seat slides in a limiting groove on the X-direction sliding block insert relatively until the limiting block locks the X-direction sliding block insert, and the mold closing is finished.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010052849.9A CN111113818B (en) | 2020-01-17 | 2020-01-17 | Sequential core-pulling and die-opening structure of anisotropic combined sliding block and core-pulling method of die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010052849.9A CN111113818B (en) | 2020-01-17 | 2020-01-17 | Sequential core-pulling and die-opening structure of anisotropic combined sliding block and core-pulling method of die |
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| CN111113818A CN111113818A (en) | 2020-05-08 |
| CN111113818B true CN111113818B (en) | 2023-04-28 |
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| JPH07241883A (en) * | 1994-03-01 | 1995-09-19 | Mitsubishi Materials Corp | Mold apparatus |
| CN203282680U (en) * | 2013-04-24 | 2013-11-13 | 厦门唯科模塑科技有限公司 | Multiple complex core-pulling mechanism |
| CN104325608A (en) * | 2014-10-17 | 2015-02-04 | 宁波双林模具有限公司 | Three-linkage synthesis core-pulling device of injection mould |
| CN105643885A (en) * | 2016-03-18 | 2016-06-08 | 宁波双林模具有限公司 | Multi-direction sequential combined core-pulling device for single slide block of injection mould |
| CN108327186A (en) * | 2017-03-12 | 2018-07-27 | 福建胜亚模具有限公司 | A kind of multidirectional core pulling locking gang mould tool |
| CN109866397A (en) * | 2019-03-22 | 2019-06-11 | 厦门市超日精密模具有限公司 | A kind of composite slider transverse direction normal direction secondary core-pulling mechanism and injection mold |
| CN109878039A (en) * | 2019-04-25 | 2019-06-14 | 宁波奥克斯电气股份有限公司 | A kind of bidirectional slider core-pulling mechanism and injection mold |
| CN209191219U (en) * | 2018-11-30 | 2019-08-02 | 大连皓麟精密模具有限公司 | It is a kind of with can sequential code system primary and secondary sliding block mold |
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2020
- 2020-01-17 CN CN202010052849.9A patent/CN111113818B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04158006A (en) * | 1990-10-22 | 1992-06-01 | Toyoda Gosei Co Ltd | Mold |
| JPH07241883A (en) * | 1994-03-01 | 1995-09-19 | Mitsubishi Materials Corp | Mold apparatus |
| CN203282680U (en) * | 2013-04-24 | 2013-11-13 | 厦门唯科模塑科技有限公司 | Multiple complex core-pulling mechanism |
| CN104325608A (en) * | 2014-10-17 | 2015-02-04 | 宁波双林模具有限公司 | Three-linkage synthesis core-pulling device of injection mould |
| CN105643885A (en) * | 2016-03-18 | 2016-06-08 | 宁波双林模具有限公司 | Multi-direction sequential combined core-pulling device for single slide block of injection mould |
| CN108327186A (en) * | 2017-03-12 | 2018-07-27 | 福建胜亚模具有限公司 | A kind of multidirectional core pulling locking gang mould tool |
| CN209191219U (en) * | 2018-11-30 | 2019-08-02 | 大连皓麟精密模具有限公司 | It is a kind of with can sequential code system primary and secondary sliding block mold |
| CN109866397A (en) * | 2019-03-22 | 2019-06-11 | 厦门市超日精密模具有限公司 | A kind of composite slider transverse direction normal direction secondary core-pulling mechanism and injection mold |
| CN109878039A (en) * | 2019-04-25 | 2019-06-14 | 宁波奥克斯电气股份有限公司 | A kind of bidirectional slider core-pulling mechanism and injection mold |
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