CN220717740U - Exhaust mechanism of mould - Google Patents
Exhaust mechanism of mould Download PDFInfo
- Publication number
- CN220717740U CN220717740U CN202321540300.XU CN202321540300U CN220717740U CN 220717740 U CN220717740 U CN 220717740U CN 202321540300 U CN202321540300 U CN 202321540300U CN 220717740 U CN220717740 U CN 220717740U
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- CN
- China
- Prior art keywords
- sleeve
- channel
- cavity
- template
- groove
- Prior art date
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- 238000007664 blowing Methods 0.000 claims abstract description 32
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 11
- 238000013022 venting Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000004512 die casting Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The utility model provides an exhaust mechanism of a die, which comprises a first template, a second template and a thimble, wherein the first template is provided with a cavity, a sleeve mounting groove and a sleeve, the sleeve mounting groove is arranged at one end of the cavity, the sleeve is arranged in the sleeve mounting groove, the interior of the sleeve is communicated with the cavity, a first channel is formed between the outer side wall of the sleeve and the sleeve mounting groove, an air inlet hole is formed in the sleeve, and two ends of the air inlet hole are respectively communicated with the interior of the sleeve and the first channel; the second template is arranged on one side of the first template, which is close to the sleeve, and an air blowing channel is arranged between the second template and the first template and is communicated with the first channel; the ejector pin penetrates through the second template to be inserted into the sleeve, can move along the axial direction of the sleeve and extend into the cavity, and is provided with a second channel which is used for communicating the air inlet with the cavity; the utility model can blow away the water vapor in the isolated column cavity in the process of ejecting the product, thereby ensuring the subsequent die casting quality and improving the working efficiency.
Description
Technical Field
The utility model relates to the field of dies, in particular to an exhaust mechanism of a die.
Background
The die casting is generally manufactured by injecting molten metal into a die cavity through high pressure, then maintaining pressure and solidifying the molten metal to form a product, and ejecting the product from the die through an ejector pin when the product is taken out. For some products provided with isolated columns, because the depth of the column cavity is deep, water vapor is easy to exist in the products, if the rows are not clean, the products are easy to condense into water, and the next die casting quality is affected. If a separate treatment procedure is added, for example, air is blown into the column cavity manually, so that water vapor in the column cavity is blown away, time and labor are wasted, and the production efficiency of the column cavity is affected.
Disclosure of Invention
The utility model aims to provide an exhaust mechanism of a mold, which can blow away water vapor in a cavity of an isolated column simultaneously in the process of ejecting a product.
In order to achieve the above purpose, the exhaust mechanism of the die provided by the utility model comprises a first template, a second template and a thimble, wherein the first template is provided with a cavity, a sleeve mounting groove and a sleeve, the sleeve mounting groove is arranged at one end of the cavity, the sleeve is arranged in the sleeve mounting groove, the interior of the sleeve is communicated with the cavity, a first channel is formed between the outer side wall of the sleeve and the sleeve mounting groove, an air inlet is formed in the sleeve, and two ends of the air inlet are respectively communicated with the interior of the sleeve and the first channel; the second template is arranged on one side of the first template, which is close to the sleeve, and an air blowing channel is arranged between the second template and the first template and is communicated with the first channel; the thimble passes through the second template and is inserted in the sleeve, and the thimble can move along the axial direction of the sleeve and extend into the cavity, and the thimble is provided with a second channel which is used for communicating the air inlet and the cavity.
According to the scheme, the air blowing channel is arranged and used for blowing air into the isolated column cavity while ejecting the product, and air sequentially enters the cavity along the air blowing channel, the first channel, the air inlet and the second channel, so that water vapor in the cavity can be discharged out of the cavity along the ejection direction of the product, accumulation of the water vapor in the cavity is avoided, and the next die casting effect is guaranteed; the embodiment eliminates water vapor while ejecting the product, does not need to additionally set a treatment procedure, is beneficial to saving time and improving working efficiency.
The sleeve is provided with a first plane, the first plane is recessed in the peripheral wall of the sleeve, the first channel is arranged between the first plane and the groove wall of the sleeve mounting groove, and the air inlet hole is arranged on the first plane.
According to the scheme, through the arrangement of the first plane, on one hand, the width of the first channel is increased, gas passing is facilitated, and on the other hand, drilling operation of the air inlet hole is facilitated.
The sleeve is provided with a ventilation groove on the end face of the sleeve, which is close to one end of the cavity, and the ventilation groove is communicated with the first channel and the cavity.
By the scheme, through setting up the ventilation groove, make things convenient for the gas in the first passageway to get into in the die cavity through the ventilation groove, be favorable to increasing the gas flow who gets into the die cavity, ensure that steam can blow cleanly.
The sleeve is provided with a first annular flange at one end facing the cavity, a plurality of ventilation grooves are arranged on the end face of the first annular flange, the outer diameter of the first annular flange is smaller than that of the sleeve, an annular groove is formed between the first annular flange and the sleeve, and the annular groove is communicated with the first channel and all ventilation grooves.
According to the scheme, the annular grooves are arranged, so that the first channel can be simultaneously communicated with the plurality of ventilation grooves, and the gas flow entering the cavity can be further increased.
The number of the first planes is three, the three first planes are arranged along the circumferential direction of the sleeve, and the first planes extend along the axial direction of the sleeve.
The sleeve is further provided with a second annular flange at one end far away from the cavity, the outer diameter of the second annular flange is larger than that of the sleeve, and the first channel is arranged above the second annular flange.
In a further scheme, the blowing channel is arranged on the second template; the second annular flange is provided with a groove which is communicated with the blowing channel and the first channel.
The further scheme is that the blowing channel is arranged on the first template and is directly communicated with the first channel.
The ejector pin is further provided with a plurality of second planes on the peripheral wall of the ejector pin, the second planes are arranged along the circumferential direction of the ejector pin, and the second planes are recessed in the peripheral wall of the ejector pin.
According to the scheme, the contact area between the outer peripheral wall of the thimble and the inner wall of the sleeve is reduced by arranging the plurality of second planes, friction force between the thimble and the sleeve is reduced, and the thimble can move up and down smoothly.
Drawings
Fig. 1 is a cross-sectional view of an embodiment of the present utility model from a first perspective.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a block diagram of a sleeve in an embodiment of the utility model.
FIG. 4 is a block diagram of a thimble in an embodiment of the present utility model.
Fig. 5 is a cross-sectional view from a second perspective of an embodiment of the present utility model.
Fig. 6 is an enlarged view at B in fig. 5.
The utility model is further described below with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 to 6, the present embodiment provides a venting mechanism for a mold, which is particularly suitable for use in products containing isolated columns or for performing product ejection and venting operations on isolated columns themselves.
The exhaust mechanism of the mold of the present embodiment includes a first die plate 1, a second die plate 2, and a thimble 3. The second template 2 is arranged below the first template 1, a third template (not shown in the figure) is arranged on one side of the first template 1, which is away from the second template 2, a product cavity is formed between the third template and the first template 1, the product cavity at least comprises a cavity 4 arranged in the first template 1, the cavity 4 is in a deep hole shape, the cavity 4 extends along the mold opening direction, namely along the up-down direction, and is used for forming isolated columns on a product. Specifically:
the first template 1 is also provided with a sleeve mounting groove 11 and a sleeve 5, the sleeve mounting groove 11 is arranged at the lower end of the cavity 4, the sleeve mounting groove 11 is coaxially arranged with the cavity 4, and the diameter of the sleeve mounting groove 11 is larger than that of the cavity 4, so that a stop part is formed between the sleeve mounting groove 11 and the cavity 4, the sleeve 5 is arranged in the sleeve mounting groove 11, and the upper part of the sleeve 5 is adjacent to the stop part. The sleeve 5 is provided with a through hole 51 inside, and the through hole 51 extends in the axial direction of the sleeve 5 and communicates with the cavity 4. A first channel 6 is formed between the outer side wall of the sleeve 5 and the wall of the sleeve mounting groove 11, one side of the sleeve 5 is radially provided with an air inlet 52, the air inlet 52 is communicated with the inner side and the outer side of the sleeve 5, and two ends of the air inlet 52 are respectively communicated with the inner part of the sleeve 5 and the first channel 6.
An air blowing channel 7 is arranged between the second template 2 and the first template 1, and the air blowing channel 7 is communicated with the first channel 6. The exhaust mechanism of this embodiment further includes an external blowing component (not shown in the figure), and an air outlet of the blowing component is communicated with the blowing channel 7 for blowing air into the blowing channel 7.
The ejector pin 3 is connected to an ejector pin plate (not shown) of the die, and the ejector pin 3 penetrates through the second template 2 from the lower side and is movably inserted into the sleeve 5. When the mold is opened, the ejector pins 3 can move up and down along with the ejector pin plates, namely, the ejector pins 3 can move along the axial direction of the sleeve 5 and extend into the cavity 4 so as to eject the product.
In order to eject the product and discharge the water vapor in the cavity 4, the ejector pin 3 is provided with a second channel 8, the second channel 8 extends along the extending direction of the ejector pin 3, and the second channel 8 is used for communicating the air inlet hole 52 and the cavity 4, so that the air blown into the first channel 6 is blown into the cavity 4 through the second channel 8 to blow away the water vapor in the cavity 4. Specifically: the thimble 3 is provided with a groove part 31 at the upper part thereof, the groove part 31 is recessed in the peripheral wall of the thimble 3, the second channel 8 is formed between the groove part 31 and the inner wall of the sleeve 5, and the second channel 8 has a certain extension length. Inclined planes are arranged at two ends of the groove part 31, and the inclined planes are connected with the peripheral wall of the thimble 3 and the groove bottom of the groove part 31.
In order to increase the width of the first channel 6, as shown in fig. 2 and 3, the sleeve 5 is provided with a first flat surface 53 on its outer side wall, the first flat surface 53 being recessed in the outer circumferential wall of the sleeve 5, i.e. the distance from the first flat surface 53 to the center of the sleeve 5 is smaller than the radius of the sleeve 5, the first channel 6 is provided between the first flat surface 53 and the groove wall of the sleeve mounting groove 11, the smaller the distance from the first flat surface 53 to the center of the sleeve 5, the larger the width of the first channel 6. The first plane 53 extends in the extending direction of the first passage 6, and the air intake hole 52 is provided at a position above the middle of the first plane 53 so as to be as close to the position of the cavity 4 as possible.
In order to increase the air flow into the mould cavity 4, the sleeve 5 is provided with an air vent groove 54 on its end face close to one end of the mould cavity 4, the air vent groove 54 communicates the first channel 6 with the mould cavity 4, and air can enter the mould cavity 4 from the first channel 6 through the air vent groove 54. Specifically: the sleeve 5 is provided with a first annular flange 55 at one end facing the cavity 4, a plurality of vent grooves 54 are arranged on the end face of the first annular flange 55, one end of each vent groove 54 is arranged towards the first channel 6, the other end of each vent groove 54 is arranged towards or near the center of the first annular flange 55, and the vent grooves 54 are provided with notches upwards. The outer diameter of the first annular flange 55 is smaller than the outer diameter of the sleeve 5 such that an annular groove 58 is formed between the first annular flange 55 and the sleeve 5, the annular groove 58 being in communication with at least one end of each vent groove 54, and the first passage 6 being in communication with the annular groove 58, gas entering the annular groove 58 from the first passage 6 and then entering the plurality of vent grooves 54 through the annular groove 58.
The number of the first flat surfaces 53 is three, and the three first flat surfaces 53 are arranged at regular intervals in the circumferential direction of the sleeve 5. The first plane 53 extends from the bottom of the annular groove 58 towards the lower part of the sleeve 5, so that the first channel 6 can communicate with the annular groove 58 and thus with the plurality of venting grooves 54 via the annular groove 58.
The sleeve 5 is provided with a second annular flange 56 at the end remote from the mould cavity 4, the second annular flange 56 having an outer diameter greater than the outer diameter of the sleeve 5, the first passage 6 being provided above the second annular flange 56.
In this embodiment, the air blowing channel 7 is disposed on the second template 2, the air blowing channel 7 is recessed in the top wall of the second template 2, one end of the air blowing channel 7 penetrates out of the outer side wall of the second template 2 and is communicated with an external air blowing device, and the other end of the air blowing channel 7 extends towards the sleeve 5. The sleeve 5 is provided with a groove 57 on the second annular flange 56, the groove 57 penetrating through the thickness direction of the second annular flange 56, so that the groove 57 communicates the air blowing passage 7 with the first passage 6.
In other embodiments, the air blowing channel 7 is provided on the first die plate 1, the air blowing channel 7 is provided above the second annular flange 56 in the up-down direction, one end of the air blowing channel 7 penetrates the outer side wall of the first die plate 1, and the other end of the air blowing channel 7 is directly communicated with the first channel 6.
Referring to fig. 2 and 4, the thimble 3 is provided with a plurality of second planes 32 on the outer peripheral wall of one end of the thimble 5, and the second planes 32 are uniformly arranged along the circumferential direction of the thimble 3 at intervals, and the second planes 32 are recessed in the outer peripheral wall of the thimble 3, so that the contact area between the thimble 3 and the thimble 5 is reduced, and the friction force is further reduced.
In summary, the utility model is provided with the blowing channel for blowing air into the isolated column cavity while ejecting the product, and the air sequentially enters the cavity along the blowing channel, the first channel, the air inlet and the second channel, so that the vapor in the cavity can be discharged out of the cavity along the ejection direction of the product, the accumulation of the vapor in the cavity is avoided, and the next die casting effect is ensured; the embodiment eliminates water vapor while ejecting the product, does not need to additionally set a treatment procedure, is beneficial to saving time and improving working efficiency.
Finally, it should be emphasized that the foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the utility model, but rather that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the utility model, and any modifications, equivalent substitutions, improvements, etc. are intended to be included within the scope of the present utility model.
Claims (9)
1. An exhaust mechanism for a mold, comprising:
the first template is provided with a cavity, a sleeve mounting groove and a sleeve, the sleeve mounting groove is arranged at one end of the cavity, the sleeve is arranged in the sleeve mounting groove, the interior of the sleeve is communicated with the cavity, a first channel is formed between the outer side wall of the sleeve and the sleeve mounting groove, the sleeve is provided with an air inlet, and two ends of the air inlet are respectively communicated with the interior of the sleeve and the first channel;
the second template is arranged on one side, close to the sleeve, of the first template, and an air blowing channel is arranged between the second template and the first template and is communicated with the first channel;
the thimble penetrates through the second template and is inserted into the sleeve, the thimble can move along the axial direction of the sleeve and extend into the cavity, the thimble is provided with a second channel, and the second channel is used for communicating the air inlet hole with the cavity.
2. The vent mechanism of a mold according to claim 1, wherein:
the sleeve is provided with a first plane, the first plane is recessed in the peripheral wall of the sleeve, the first channel is arranged between the first plane and the groove wall of the sleeve mounting groove, and the air inlet hole is arranged on the first plane.
3. The venting mechanism of a mold according to claim 2, wherein:
the sleeve is provided with a ventilation groove on the end face of the sleeve, which is close to one end of the cavity, and the ventilation groove is communicated with the first channel and the cavity.
4. A venting mechanism for a mold according to claim 3, wherein:
the sleeve is provided with a first annular flange towards one end of the cavity, a plurality of ventilation grooves are arranged on the end face of the first annular flange in an arrayed mode, the outer diameter of the first annular flange is smaller than that of the sleeve, an annular groove is formed between the first annular flange and the sleeve, and the annular groove is communicated with the first channel and all the ventilation grooves.
5. The vent mechanism of the mold of claim 4, wherein:
the number of the first planes is three, the three first planes are arranged along the circumferential direction of the sleeve, and the first planes extend along the axial direction of the sleeve.
6. The vent mechanism of a mold according to claim 1, wherein:
the sleeve is provided with a second annular flange at one end far away from the cavity, the outer diameter of the second annular flange is larger than that of the sleeve, and the first channel is arranged above the second annular flange.
7. The vent mechanism of the mold of claim 6, wherein:
the blowing channel is arranged on the second template;
the second annular flange is provided with a groove, and the groove is communicated with the blowing channel and the first channel.
8. The vent mechanism of the mold of claim 6, wherein:
the air blowing channel is arranged on the first template and is directly communicated with the first channel.
9. The venting mechanism of a mold according to any one of claims 1 to 8, wherein:
the thimble is provided with a plurality of second planes on the peripheral wall, a plurality of second planes are arranged along the circumference of the thimble, and the second planes are recessed in the peripheral wall of the thimble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321540300.XU CN220717740U (en) | 2023-06-15 | 2023-06-15 | Exhaust mechanism of mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321540300.XU CN220717740U (en) | 2023-06-15 | 2023-06-15 | Exhaust mechanism of mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220717740U true CN220717740U (en) | 2024-04-05 |
Family
ID=90491580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321540300.XU Active CN220717740U (en) | 2023-06-15 | 2023-06-15 | Exhaust mechanism of mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220717740U (en) |
-
2023
- 2023-06-15 CN CN202321540300.XU patent/CN220717740U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |