CN108031799B - Double-core-drawing die-opening structure for automobile part casting - Google Patents
Double-core-drawing die-opening structure for automobile part casting Download PDFInfo
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- CN108031799B CN108031799B CN201810098114.2A CN201810098114A CN108031799B CN 108031799 B CN108031799 B CN 108031799B CN 201810098114 A CN201810098114 A CN 201810098114A CN 108031799 B CN108031799 B CN 108031799B
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- die plate
- core
- limit screw
- fixed
- lower limit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
- B22C9/062—Mechanisms for locking or opening moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/001—Removing cores
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The embodiment of the invention discloses a double-core-drawing die opening structure for automobile part casting, which comprises a locking wedge and a fixed die plate fixed on one side of the locking wedge, wherein an inclined pin is arranged on the surface of the fixed die plate, an upper movable die plate attached to the bottom end of the fixed die plate is arranged at the bottom end of the fixed die plate, a lower movable die plate is attached to the bottom end of the upper movable die plate, a side die core fixed by an upper fixed pin is arranged on one side end surface of the upper movable die plate, which is close to a push tube, an upper limit screw is embedded with the other side end surface of the upper movable die plate, which corresponds to the upper movable die plate, an upper limit stop block is penetrated by the upper limit screw, an inclined side die core fixed by a lower fixed pin is arranged on one side end surface of the lower movable die plate, which corresponds to the lower movable die plate, a lower limit screw is embedded with the other side end surface of the lower movable die plate, which corresponds to the lower limit screw penetrates through the lower limit stop block, and the tail ends of the side die core and the inclined side die core extend to the side wall of the push tube. The invention has reasonable structural design and improves the quality of castings.
Description
Technical Field
The invention relates to the technical field of automobile accessory casting dies, in particular to a double-core-drawing die-opening structure for automobile accessory casting.
Background
Most of the casting moulds of the automobile parts are provided with slide core pulling mechanisms, namely slide mechanisms of the moulds, namely mechanisms which can obtain lateral core pulling or lateral parting and resetting actions to drag out positions of inverted buckles, sags and the like.
And when two inclined hole sites appear in a slide core in a casting mold of an automobile part, most of the hole sites are selected to be not formed, the hole site mold is not formed, the post-processing CNC is required to ensure, the processing cost is higher, the surface quality of the processed casting is not ensured, and the air holes are easy to appear. Therefore, a double-core-drawing die-opening structure for steam-fitting casting is provided for the problems.
Disclosure of Invention
The embodiment of the invention discloses a double-core-pulling die-opening structure for automobile accessory casting, which is used for solving the technical problems that two inclined hole sites appear in one row-position core-pulling die of a casting die of an automobile accessory, one hole site is selected for not forming in most cases, the hole site die is not formed, CNC (computerized numerical control) processing is required to be processed after the hole site die is required to be formed, the processing cost is high, the surface quality of a processed casting is not guaranteed, and air holes are easy to appear.
The embodiment of the invention provides a double-core-drawing die opening structure for automobile part casting, which comprises a locking wedge and a fixed die plate fixed on one side of the locking wedge, wherein an inclined pin is arranged on the surface of the fixed die plate, an upper movable die plate attached to the bottom end of the fixed die plate is arranged at the bottom end of the fixed die plate, a lower movable die plate is attached to the bottom end of the upper movable die plate, a side die core fixed by an upper fixed pin is arranged on one side end surface of the upper movable die plate, which is close to a push tube, an upper limit screw is embedded with the other side end surface of the upper movable die plate, which corresponds to the upper movable die plate, an upper limit stop block is penetrated by the upper limit screw, an inclined side die core fixed by a lower fixed pin is arranged on one side end surface of the lower movable die plate, which corresponds to the lower movable die plate, a lower limit screw is embedded with the other side end surface of the lower movable die plate, which corresponds to the lower limit screw penetrates through the lower limit stop block, and the tail ends of the side die core and the inclined side die core extend to the side wall of the push tube.
Preferably, the corner formed by the connecting part of the locking wedge and the fixed template is clamped with the corner on one side of the top end of the upper movable template.
Preferably, the bottom end of one side of the upper movable mould plate, which is close to the lower limit stop, is provided with a tip of a olecranon structure which is clamped with the end part of the lower movable mould plate.
Preferably, the upper limit stop is arranged at the top end of the lower limit stop, and the upper limit stop and the lower limit stop are fixedly connected on the die.
Preferably, the upper limit screw and the lower limit screw extend into the upper movable mould plate and the lower movable mould plate respectively, and the upper limit screw and the lower limit screw are fixedly connected with the upper movable mould plate and the lower movable mould plate respectively.
Preferably, the inclination angles of the inclination side core and the lower limit screw are identical.
Preferably, the upper limit screw and the side core are both horizontally arranged, and the upper limit screw and the lower limit screw are respectively in sliding connection with the upper limit stop and the lower limit stop.
Preferably, the end faces of one side, far away from the locking wedge, of the upper limit screw and the lower limit screw are sleeved with the fixed springs, and the spring ends of the surfaces of the upper limit screw and the lower limit screw are fixedly connected to the end faces of the upper limit stop and the lower limit stop respectively.
Preferably, the tail ends of the inclined pins penetrate through the upper movable die plate and extend into the lower movable die plate, and inclined pin holes for accommodating the inclined pins are formed in the upper movable die plate and the lower movable die plate.
Preferably, the upper limit stop and the lower limit stop are fixedly connected through a fixing screw.
From the above technical solutions, the embodiment of the present invention has the following advantages:
in the embodiment, the structure design is reasonable, on the premise of not influencing the normal open mode of the traditional die, one core pulling is added in the traditional row core pulling, and two hole sites are completed simultaneously, so that the situation that two hole sites in two directions appear in one row core pulling is avoided, one hole site is basically selected to appear without forming, the probability of air holes appearing in the casting is reduced, and the quality of the casting is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural view of a dual-core mold opening structure for steam-match casting according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a motion state of a dual-core mold opening structure for steam casting according to an embodiment of the present invention;
illustration of: 1. the locking wedge, 2, the fixed template, 3, the taper pin, 4, the upper fixed pin, 5, the side core, 6, the upper movable template, 7, the push tube, 8, the lower movable template, 9, the lower fixed pin, 10, the side core of inclination, 11, the upper limit stop, 12, the lower limit stop, 13, the upper limit screw, 14, the lower limit screw, 15, the set screw, 16, the taper pin hole.
Detailed Description
The embodiment of the invention discloses a double-core-pulling die-opening structure for automobile accessory casting, which is used for solving the technical problems that two inclined hole sites appear in one row-position core-pulling die of a casting die of an automobile accessory, one hole site is selected for not forming in most cases, the hole site die is not formed, CNC (computerized numerical control) processing is required to be processed after the hole site die is required to be formed, the processing cost is high, the surface quality of a processed casting is not guaranteed, and air holes are easy to appear.
In order to better understand the aspects of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, an embodiment of a dual-core mold opening structure for steam casting according to an embodiment of the present invention includes:
including locking wedge 1 and fix the fixed die plate 2 in locking wedge 1 one side, the fixed die plate 2 surface sets up the taper pin 3, fixed die plate 2 bottom sets up rather than the last movable mould board 6 of laminating, and go up movable mould board 6 bottom laminating and be provided with movable mould board 8 down, it is fixed by last fixed pin 4 to set up on the side terminal surface that movable mould board 6 is close to push tube 7, and go up movable mould board 6 and the opposite side terminal surface gomphosis that corresponds with it and set up stop screw 13, go up stop screw 13 and run through limit stop 11, movable mould board 8 is close to and sets up on the one side terminal surface of push tube 7 by the fixed slope side core 10 of lower fixed pin 9, utilizes slope side core 10 and side core 5 to directly form two hole sites, and the opposite side terminal surface gomphosis that movable mould board 8 corresponds with it installs the lower stop screw 14 that the slope set up, lower stop screw 14 runs through lower stop 12, side core 5 and slope side core 10 end all extend to push tube 7 lateral wall.
As a technical optimization scheme of the invention, the corner formed at the joint of the locking wedge 1 and the fixed template 2 is clamped with the corner at one side of the top end of the upper movable template 6, and the locking wedge 1 limits the fixed template 2, so that the fixed template 2 is prevented from moving sideways in the casting process.
As a technical optimization scheme of the invention, the bottom end of one side of the upper movable mould plate 6, which is close to the lower limit stop 12, is provided with the tip of the olecranon structure which is clamped with the end part of the lower movable mould plate 8, and the upper movable mould plate 6 utilizes the tip of the olecranon structure to limit the lower movable mould plate 8, so that the lower movable mould plate 8 is prevented from shifting in the casting process.
As a technical optimization scheme of the invention, the upper limit stop 11 is arranged at the top end of the lower limit stop 12, and the upper limit stop 11 and the lower limit stop 12 are fixedly connected to a die, namely, the upper limit stop 11 and the lower limit stop 12 are arranged on the die for casting the automobile parts.
As a technical optimization scheme of the invention, the upper limit screw 13 and the lower limit screw 14 extend into the upper movable die plate 6 and the lower movable die plate 8 respectively, the upper limit screw 13 and the lower limit screw 14 are fixedly connected with the upper movable die plate 6 and the lower movable die plate 8 respectively, and when the die is opened, the upper limit screw 13 and the lower limit screw 14 slide in the upper limit stop 11 and the lower limit stop 12 respectively.
As a technical optimization scheme of the invention, the inclination angles of the inclination side core 10 and the lower limit screw 14 are consistent, so that the inclination side core 10 is convenient to separate from the die.
As a technical optimization scheme of the invention, the upper limit screw 13 and the side core 5 are horizontally arranged, and the upper limit screw 13 and the lower limit screw 14 are respectively in sliding connection with the upper limit stop and the lower limit stop, so that the side core 5 is convenient to separate from the die.
As a technical optimization scheme of the invention, the end faces of one side, far away from the locking wedge 1, of the upper limit screw 13 and the lower limit screw 14 are sleeved with fixed springs, the spring ends of the surfaces of the upper limit screw 13 and the lower limit screw 14 are fixedly connected with the end faces of the upper limit stop 11 and the lower limit stop 12 respectively, and the upper limit screw 13 and the lower limit screw 14 are reset through the springs.
As a technical optimization scheme of the invention, the tail end of the inclined pin 3 penetrates through the upper movable die plate 6 to extend into the lower movable die plate 8, inclined pin holes 16 for accommodating the inclined pin 3 are formed in the upper movable die plate 6 and the lower movable die plate 8, and the upper limit screw 13 and the lower limit screw 14 are moved by limiting the inclined pin 3.
As a technical optimization scheme of the invention, the upper limit stop 11 and the lower limit stop 12 are fixedly connected through the fixing screw 15, so that the upper limit stop 11 and the lower limit stop 12 can be uniformly fixed.
In the invention, when the mold is opened, the fixed mold plate 2 moves towards the direction away from the push pipe 7, the inclined pins 3 positioned in the inclined pins 3 synchronously move along with the fixed mold plate 2, and the upper movable mold plate 6 and the lower movable mold plate 8 are moved towards the direction away from the push pipe 7 by the pushing action of the inclined pins 3 on the upper movable mold plate 6 and the lower movable mold plate 8, so that the side mold core 5 and the inclined side mold core 10 are separated from the mold, thereby completing the mold opening.
The foregoing describes a dual-core mold opening structure for steam-assisted casting according to the present invention, and those skilled in the art will recognize that the scope of the embodiments of the present invention can be modified according to the concepts of the present invention.
Claims (8)
1. The double-core-drawing die opening structure for the automobile part casting is characterized by comprising a locking wedge (1) and a fixed die plate (2) fixed on one side of the locking wedge (1), wherein an inclined pin (3) is arranged on the surface of the fixed die plate (2), an upper movable die plate (6) attached to the bottom end of the fixed die plate (2) is arranged, a lower movable die plate (8) is attached to the bottom end of the upper movable die plate (6), a side die core (5) fixed by an upper fixed pin (4) is arranged on one side end surface of the upper movable die plate (6) close to a push tube (7), an upper limit screw (13) is embedded with the other side end surface corresponding to the upper movable die plate (6), the upper limit screw (13) penetrates through an upper limit stop block (11), a slope side die core (10) fixed by a lower fixed pin (9) is arranged on one side end surface of the lower movable die plate (8) close to the push tube (7), a lower limit screw (14) which is obliquely arranged is embedded with the other side end surface corresponding to the lower movable die plate (8), and the lower limit screw (14) penetrates through the lower limit screw (12) and extends to the side die core (5) to the end of the push tube (7);
the corner formed at the joint of the locking wedge (1) and the fixed template (2) is clamped with the corner at one side of the top end of the upper movable template (6);
the bottom end of one side of the upper movable mould plate (6) close to the lower limit stop (12) is provided with a tip of a olecranon structure which is clamped with the end part of the lower movable mould plate (8).
2. The double-core-pulling die-opening structure for steam-match casting according to claim 1, wherein the upper limit stop (11) is arranged at the top end of the lower limit stop (12), and both the upper limit stop (11) and the lower limit stop (12) are fixedly connected on the die.
3. The double-core drawing die structure for steam fitting casting according to claim 1, wherein the upper limit screw (13) and the lower limit screw (14) extend into the upper movable die plate (6) and the lower movable die plate (8) respectively, and the upper limit screw (13) and the lower limit screw (14) are fixedly connected with the upper movable die plate (6) and the lower movable die plate (8) respectively.
4. A double-core open-die structure for steam-match casting according to claim 1, characterized in that the inclination angles of the inclination side core (10) and the lower limit screw (14) are identical.
5. A double-core-pulling die-sinking structure for steam-match casting according to claim 1, wherein the upper limit screw (13) and the side core (5) are horizontally arranged, and the upper limit screw (13) and the lower limit screw (14) are respectively in sliding connection with the upper limit stop (11) and the lower limit stop (12).
6. The double-core drawing die structure for automobile accessory casting according to claim 1, wherein the end faces of one side, far away from the locking wedge (1), of the upper limit screw (13) and the lower limit screw (14) are sleeved with fixed springs, and the spring ends of the surfaces of the upper limit screw (13) and the lower limit screw (14) are fixedly connected with the end faces of the upper limit stop (11) and the lower limit stop (12) respectively.
7. The double-core drawing die structure for steam-match casting according to claim 1, wherein the tail end of the inclined pin (3) penetrates through the upper movable die plate (6) to extend into the lower movable die plate (8), and inclined pin holes (16) for accommodating the inclined pin (3) are formed in the upper movable die plate (6) and the lower movable die plate (8).
8. A double-core-pulling die-sinking structure for automobile casting according to claim 1, wherein the upper limit stop (11) and the lower limit stop (12) are fixedly connected by a fixing screw (15).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810098114.2A CN108031799B (en) | 2018-01-31 | 2018-01-31 | Double-core-drawing die-opening structure for automobile part casting |
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CN201810098114.2A CN108031799B (en) | 2018-01-31 | 2018-01-31 | Double-core-drawing die-opening structure for automobile part casting |
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CN108031799A CN108031799A (en) | 2018-05-15 |
CN108031799B true CN108031799B (en) | 2023-08-29 |
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CN201810098114.2A Active CN108031799B (en) | 2018-01-31 | 2018-01-31 | Double-core-drawing die-opening structure for automobile part casting |
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CN113182495A (en) * | 2021-04-15 | 2021-07-30 | 南通大学 | Double-inverted-buckle structure of sand core mold |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06126417A (en) * | 1992-10-22 | 1994-05-10 | Toyota Motor Corp | Device for pulling out core in die |
CN102225611A (en) * | 2011-04-01 | 2011-10-26 | 慈溪天龙电子有限公司 | Mechanism capable of pulling core in two directions in once die opening |
CN202029359U (en) * | 2011-04-21 | 2011-11-09 | 杭州飞尔达精密模具有限公司 | Side core-loosing locking device of injection mould |
CN203267126U (en) * | 2013-05-29 | 2013-11-06 | 昆山市润苏物资有限公司 | Injection mould with side parting core pulling |
CN204095068U (en) * | 2014-08-08 | 2015-01-14 | 庄鑫 | Side core-pulling injection mold |
CN208146861U (en) * | 2018-01-31 | 2018-11-27 | 广东铭利达科技有限公司 | A kind of double core mold-opening structure for automobile fitting casting |
-
2018
- 2018-01-31 CN CN201810098114.2A patent/CN108031799B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06126417A (en) * | 1992-10-22 | 1994-05-10 | Toyota Motor Corp | Device for pulling out core in die |
CN102225611A (en) * | 2011-04-01 | 2011-10-26 | 慈溪天龙电子有限公司 | Mechanism capable of pulling core in two directions in once die opening |
CN202029359U (en) * | 2011-04-21 | 2011-11-09 | 杭州飞尔达精密模具有限公司 | Side core-loosing locking device of injection mould |
CN203267126U (en) * | 2013-05-29 | 2013-11-06 | 昆山市润苏物资有限公司 | Injection mould with side parting core pulling |
CN204095068U (en) * | 2014-08-08 | 2015-01-14 | 庄鑫 | Side core-pulling injection mold |
CN208146861U (en) * | 2018-01-31 | 2018-11-27 | 广东铭利达科技有限公司 | A kind of double core mold-opening structure for automobile fitting casting |
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