CN112059142A - Long core-pulling needle structure of casting mold - Google Patents
Long core-pulling needle structure of casting mold Download PDFInfo
- Publication number
- CN112059142A CN112059142A CN202010955751.4A CN202010955751A CN112059142A CN 112059142 A CN112059142 A CN 112059142A CN 202010955751 A CN202010955751 A CN 202010955751A CN 112059142 A CN112059142 A CN 112059142A
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- Prior art keywords
- pulling needle
- inclined plane
- long core
- fixed
- groove
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- 238000005266 casting Methods 0.000 title claims abstract description 15
- 238000004512 die casting Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Classifications
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2236—Equipment for loosening or ejecting castings from dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a casting mould drawing-length core-pulling needle structure which comprises a sliding seat, a fixed mould sleeve plate, a first wedge block and a second wedge block, wherein a long core-pulling needle is fixed on one surface of the sliding seat, and a groove is formed in the other surface of the sliding seat; the fixed die sleeve plate is provided with a bulge; the first wedging block is fixed on the side surface of the protrusion, and the outer side of the first wedging block is a first inclined surface; the second wedging block is fixed on one side, far away from the long core drawing needle, in the groove, and the outer side of the second wedging block is provided with a second inclined plane; after the die is closed, the protrusion extends into the groove, and the inclined plane II presses the inclined plane I; after the mold is opened, the bulge is separated from the groove, and the first inclined plane and the second inclined plane exert pressure to finally drive the long core-pulling needle to be pulled out for a certain distance. According to the casting die drawing-length core-pulling needle structure, the two wedge blocks matched with the inclined planes are added, the long core-pulling needle is firstly drawn away for a certain distance by using the strong force of die opening of a die-casting machine, and then the long core-pulling needle is drawn out for a long distance by using the sliding seat; the phenomenon that the whole sliding block cannot be pulled out to be in a blocked state due to very large holding force of the long core pulling needle after the product is formed is avoided.
Description
Technical Field
The invention relates to a casting mould, in particular to a casting mould core pulling needle structure.
Background
Aiming at the fashioned process of long core pulling needle in the casting mould, the power of holding tightly to long core pulling needle after the product shaping is very big, if only remove to take out long core pulling needle by the power of hydro-cylinder, the dynamics in the twinkling of an eye is taken out to lead to whole slider not to take out, the card dies, can cause the die-casting production process to interrupt like this, the product can not be produced on time, seriously influences the progress of production.
Therefore, there is a need to solve the above technical problems.
Disclosure of Invention
Aiming at the technical problems, the invention provides a long core-pulling needle structure of a casting die, which is characterized in that two wedge blocks matched with inclined planes are added, and the long core-pulling needle is firstly pulled away for a certain distance by utilizing the strong force of die opening of a die casting machine and then pulled out for a long distance by utilizing a sliding seat; the phenomenon that the whole sliding block cannot be pulled out to be in a blocked state due to very large holding force of the long core pulling needle after the product is formed is avoided.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a casting mould core pulling needle structure comprises:
the long core pulling needle is fixed on one surface of the sliding seat, and a groove is formed in the other surface adjacent to the long core pulling needle;
the fixed die sleeve plate is provided with a bulge;
the first wedging block is fixed on the side surface of the protrusion, and the outer side of the first wedging block is a first inclined surface;
the second wedging block is fixed on one side, far away from the long core drawing needle, in the groove, and the outer side of the second wedging block is a second inclined plane;
after the die is assembled, the protrusion extends into the groove, and the inclined plane II presses the inclined plane I; after the mold is opened, the protrusion is separated from the groove, the first inclined plane applies pressure to the second inclined plane, and finally the long core-pulling needle is driven to be pulled out for a certain distance.
Above-mentioned casting mould takes out long needle structure of loosing core, through the recess cooperation of the arch of cover half lagging and slide, the cooperation position is fixed first wedging piece and the laminating of second wedging piece inclined plane respectively, and the powerful dynamics of die casting machine die sinking is converted into the effort that inclined plane one promoted inclined plane two through the structure of inclined plane laminating, and the slide is to the direction motion of taking out long core-pulling needle taking out certain distance with long core-pulling needle.
The third wedging block is fixed on the side face, opposite to the first wedging block, of the protrusion, the outer side of the third wedging block is provided with a third inclined face, and the third inclined face and the first inclined face are in the same inclination direction;
and a fourth inclined plane attached to the third inclined plane is arranged in the groove.
And a third wedging block is added to form pressing force between the mutually matched structures, so that the strength and stable stress of the die structure after die assembly are ensured.
The long core drawing needle is characterized by further comprising an oil cylinder, wherein the oil cylinder is provided with an oil cylinder shaft, the oil cylinder shaft is connected with the sliding seat, and the oil cylinder shaft contracts to drive the sliding seat to move and draw out the long core drawing needle. The sliding seat is pulled out for a long distance by using the oil cylinder, and finally the long core-pulling needle is pulled out integrally.
Compared with the prior art, the invention has the following technical advantages:
according to the casting mold drawing-length core-pulling needle structure, the protrusion of the fixed mold sleeve plate is matched with the groove of the sliding seat, the matching parts are respectively fixed with the inclined surfaces of the first wedging block and the second wedging block for being attached, the strong force of mold opening of a die casting machine is converted into the acting force of pushing the inclined surface II through the inclined surface attaching structure, and the sliding seat moves towards the direction of drawing the long core-pulling needle to draw the long core-pulling needle out for a certain distance; and then the sliding seat is drawn out for a long distance by using the oil cylinder, and finally the long core-pulling needle is integrally drawn out. The locking state caused by that the long core pulling needle cannot be pulled out due to insufficient instant force of the oil cylinder because the holding force to the long core pulling needle is very large after the product is formed is avoided. The smooth production process of the product is ensured, the production progress is stabilized, and the product can be delivered on time.
Drawings
FIG. 1 is a sectional view showing a clamped state in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an embodiment of the present invention during mold opening;
fig. 3 is an enlarged view of X in fig. 2.
Detailed Description
The invention will be described in further detail below with reference to embodiments shown in the drawings.
As shown in fig. 1, the elongated core-pulling needle structure of the casting mold of the present invention includes a sliding seat 60, a fixed mold sleeve plate 10, a first wedge block 20, a second wedge block 40, a third wedge block 50, and an oil cylinder 30.
As shown in fig. 2, the long coring needle a is fixed to the front end side surface of the slider 60, a groove 61 is provided on the other upper surface adjacent to the long coring needle a, and as shown in fig. 3, a slope four 611 is provided on one side of the groove 61 close to the long coring needle a.
As shown in fig. 2, the fixed die case plate 10 is provided with a projection 11.
As shown in FIG. 1/3, the first wedge block 20 is fixed on the side of the protrusion 11, and the outer side is the first inclined plane 21. The second wedge block 40 is fixed on one side of the groove 61 far away from the long core-pulling needle A, and the outer side of the groove is provided with a second inclined surface 41. The third wedge block 50 is fixed on the side surface of the protrusion 11 opposite to the first wedge block 20, the outer side is a third inclined surface 51, the third inclined surface 51 and the first inclined surface 21 have the same inclination direction, and an included angle of 3 degrees is formed between the third inclined surface 51 and the first inclined surface 21.
As shown in fig. 1/2, the cylinder 30 is supported and fixed by the cylinder bracket 32, the cylinder 30 is provided with a cylinder shaft 31, and the cylinder shaft 31 is connected with the slide carriage 60.
As shown in fig. 1, after the mold is closed, the protrusion 11 extends into the groove 61, the second inclined surface 41 presses on the first inclined surface 21, and the third inclined surface 51 presses on the fourth inclined surface 611; as shown in fig. 2, after the mold is opened along the mold opening direction, the protrusion 11 is separated from the groove 61, and the first inclined surface 21 presses the second inclined surface 41 to finally drive the long core-pulling needle a to be drawn out for a certain distance along the drawing direction of the long core-pulling needle a. Then, the oil cylinder 30 acts, and the oil cylinder shaft 31 contracts to drive the sliding seat 60 to move and draw out the whole long core-pulling needle A. In the die opening process of the die, the strong die opening force of the die-casting machine is converted into acting force of pushing the second inclined surface 41 by the first inclined surface 21 through an inclined surface attaching structure, and the sliding seat 60 moves towards the direction of withdrawing the long core-pulling needle A to withdraw the long core-pulling needle A for a certain distance; the sliding seat 60 is pulled out for a long distance by the oil cylinder 30, and finally the long core-pulling needle A is pulled out integrally. The locking state caused by that the long core pulling needle A cannot be pulled out due to insufficient instant force of the oil cylinder 30 because the holding force to the long core pulling needle A is very large after the product is formed is avoided. The smooth production process of the product is ensured, the production progress is stabilized, and the product can be delivered on time.
In summary, the present invention, as shown in the specification and the drawings, is prepared into an actual sample and tested by multiple use tests, and from the test results, the invention can achieve the expected purpose and the practicability is needless to say. The above-mentioned embodiments are merely provided for convenience of illustration of the present invention and are not intended to be limiting in form; those skilled in the art should understand that they can easily make various changes and modifications to the disclosed embodiments without departing from the scope of the present invention.
Claims (3)
1. The utility model provides a casting mould takes out long needle structure of loosing core which characterized in that includes:
the long core pulling needle is fixed on one surface of the sliding seat, and a groove is formed in the other surface adjacent to the long core pulling needle;
the fixed die sleeve plate is provided with a bulge;
the first wedging block is fixed on the side surface of the protrusion, and the outer side of the first wedging block is a first inclined surface;
the second wedging block is fixed on one side, far away from the long core drawing needle, in the groove, and the outer side of the second wedging block is a second inclined plane;
after the die is assembled, the protrusion extends into the groove, and the inclined plane II presses the inclined plane I; after the mold is opened, the protrusion is separated from the groove, the first inclined plane applies pressure to the second inclined plane, and finally the long core-pulling needle is driven to be pulled out for a certain distance.
2. The elongated core-pulling needle structure of the casting mold according to claim 1, further comprising:
the third wedging block is fixed on the side face, opposite to the first wedging block, of the protrusion, and the outer side of the third wedging block is provided with a third inclined face, and the third inclined face and the first inclined face are in the same inclination direction;
and a fourth inclined plane attached to the third inclined plane is arranged in the groove.
3. The elongated core-pulling needle structure of the casting mold according to claim 1 or 2, further comprising:
the oil cylinder is provided with an oil cylinder shaft, the oil cylinder shaft is connected with the sliding seat, and the oil cylinder shaft contracts to drive the sliding seat to move and draw out the long core drawing needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010955751.4A CN112059142A (en) | 2020-09-11 | 2020-09-11 | Long core-pulling needle structure of casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010955751.4A CN112059142A (en) | 2020-09-11 | 2020-09-11 | Long core-pulling needle structure of casting mold |
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| Publication Number | Publication Date |
|---|---|
| CN112059142A true CN112059142A (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010955751.4A Pending CN112059142A (en) | 2020-09-11 | 2020-09-11 | Long core-pulling needle structure of casting mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951596A (en) * | 2022-02-22 | 2022-08-30 | 宝鸡法士特齿轮有限责任公司 | Die-casting die slide block wedging device and using method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110318447A1 (en) * | 2010-06-28 | 2011-12-29 | Cheng Uei Precision Industry Co., Ltd. | Angled Core-Pulling Mechanism of Mold |
| CN204622495U (en) * | 2015-04-28 | 2015-09-09 | 常州机电职业技术学院 | Secondary core-pulling mechanism of injection mold |
| CN207288841U (en) * | 2017-08-17 | 2018-05-01 | 广东鸿泰科技股份有限公司 | A kind of pre- drawing mechanism of die casting core pulling |
| CN111558703A (en) * | 2020-05-09 | 2020-08-21 | 肇庆高新区鸿胜模具制造有限公司 | Secondary core-pulling mechanism of die-casting mold |
| CN212419583U (en) * | 2020-09-11 | 2021-01-29 | 肇庆高新区鸿胜模具制造有限公司 | Long core-pulling needle structure of casting mold |
-
2020
- 2020-09-11 CN CN202010955751.4A patent/CN112059142A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110318447A1 (en) * | 2010-06-28 | 2011-12-29 | Cheng Uei Precision Industry Co., Ltd. | Angled Core-Pulling Mechanism of Mold |
| CN204622495U (en) * | 2015-04-28 | 2015-09-09 | 常州机电职业技术学院 | Secondary core-pulling mechanism of injection mold |
| CN207288841U (en) * | 2017-08-17 | 2018-05-01 | 广东鸿泰科技股份有限公司 | A kind of pre- drawing mechanism of die casting core pulling |
| CN111558703A (en) * | 2020-05-09 | 2020-08-21 | 肇庆高新区鸿胜模具制造有限公司 | Secondary core-pulling mechanism of die-casting mold |
| CN212419583U (en) * | 2020-09-11 | 2021-01-29 | 肇庆高新区鸿胜模具制造有限公司 | Long core-pulling needle structure of casting mold |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951596A (en) * | 2022-02-22 | 2022-08-30 | 宝鸡法士特齿轮有限责任公司 | Die-casting die slide block wedging device and using method |
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