CN210547993U - Exhaust device of die-casting die carrier - Google Patents
Exhaust device of die-casting die carrier Download PDFInfo
- Publication number
- CN210547993U CN210547993U CN201921487089.3U CN201921487089U CN210547993U CN 210547993 U CN210547993 U CN 210547993U CN 201921487089 U CN201921487089 U CN 201921487089U CN 210547993 U CN210547993 U CN 210547993U
- Authority
- CN
- China
- Prior art keywords
- die
- casting
- hole
- exhaust
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model provides an exhaust apparatus of die mould frame belongs to die carrier and makes technical field. The die set solves the problem that molten metal or gas in a high-temperature and high-pressure molten state of the existing die set for die casting of the automobile sheet metal part is easily discharged to the outside of the die set through the exhaust duct to hurt people. The upper surface of a die-casting cavity block in a cavity in the exhaust device of the die-casting die carrier is provided with a die-casting tooth groove, the die-casting cavity block at the middle position between two adjacent die-casting tooth grooves is vertically and downwards provided with an exhaust hole, an exhaust channel is arranged in the fixed die, the upper end of each exhaust hole is communicated with the cavity, the lower end of each exhaust hole is communicated with the exhaust channel, one end of the exhaust channel is provided with a buffer device for adjusting the air pressure in the exhaust channel, and the other end of the exhaust channel is provided with a connecting structure communicated with the external air pressure. The utility model discloses avoid the molten metal or the gaseous direct injection of high temperature high pressure melting form to die carrier traumatic person, prevent the emergence of incident.
Description
Technical Field
The utility model belongs to the technical field of the die carrier is made, a exhaust apparatus of die casting die frame is related to.
Background
The essence of die casting is a forming process for filling liquid or semi-solid metal and extremely high speed into a die cavity of a die frame of the die casting under the action of high pressure, forming, cooling and solidifying under the action of pressure to obtain a casting; the size precision of the die-cast product is high. The surface roughness is low, the material utilization rate is high, the tissue is compact, and the strength and the hardness are higher; by utilizing the die casting process, metal parts with complex shapes, clear outlines and thin walls and deep cavities can be manufactured, and parts made of other materials can be directly embedded and cast on a die casting piece, so that precious materials and processing time are saved; the die-casting die frame with a correct and reasonable structure is a prerequisite condition for smooth die-casting production and plays an important role in ensuring the quality of castings.
The exhaust groove of the die-casting die carrier is a channel for exhausting high-temperature high-pressure gas squeezed in the cavity in the process of filling the cavity with molten metal in a high-temperature and high-pressure molten state, namely the exhaust groove is mainly used for exhausting the high-temperature high-pressure gas in the cavity.
The common vent grooves have various structural forms, the depth of the vent grooves is related to the die-casting pressure, and the die-casting pressure is related to the material type, the complexity and the size of a workpiece, so the depth of the vent grooves is not easy to grasp. If the exhaust groove is deep, molten metal or gas in a high-temperature and high-pressure molten state is easily discharged to the outside of the die carrier through the exhaust groove to hurt people, and meanwhile, the exhausted airflow is fast. Thereby affecting the quality of the die casting; if the exhaust groove is shallow, the gas cannot be exhausted in time, and the quality of the die casting is also affected.
Disclosure of Invention
The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure, avoid the molten metal or the gaseous exhaust of high temperature high pressure melting form to die carrier traumatism people's die-casting die carrier's exhaust apparatus.
The purpose of the utility model can be realized by the following technical proposal: the exhaust device of the die casting die frame comprises a rectangular fixed die and a movable die which is positioned above the fixed die and matched with the fixed die, wherein a die casting cavity block is fixedly arranged at the middle position of the upper surface of the fixed die, a die casting core block is fixedly arranged at the middle position of the lower surface of the movable die, and the die casting cavity block and the die casting core block are relatively matched to form a die cavity of a product through die casting. And the other end of the exhaust channel is provided with a connecting structure communicated with the external air pressure.
This exhaust apparatus of die-casting die carrier mainly sets up buffer at exhaust passage to make exhaust passage internal gas pressure automatically regulated through buffer, make exhaust passage internal gas pressure invariable, avoid exhaust passage internal gas pressure too high to spray, avoid the molten metal or gaseous direct injection of high temperature high pressure melting form to die carrier traumatic person, structural design is reasonable, convenient to use.
In the exhaust device of the die-casting die carrier, a step hole is formed in one outer end face of the fixed die, and a vent hole is formed in the fixed die between the step hole and the exhaust channel and communicated with the step hole and the exhaust channel through the vent hole. The stepped hole mainly comprises an inner shrinkage hole and an outer expansion hole, the diameter of the outer expansion hole is larger than that of the inner shrinkage hole, and an axial leaning step is formed between the inner shrinkage hole and the outer expansion hole.
In foretell die casting die carrier's exhaust apparatus, buffer include that axial interval sets up piston one, piston two in the interior shrinkage cavity in step hole, the outer reaming in step hole in can dismantle and link firmly cylinder end cap and this cylinder end cap and the sealed cooperation of hole bottom in the outer reaming in step hole, piston one axial support by the orifice department in the air vent, piston one and piston two between be provided with compression spring, piston two and cylinder end cap between be provided with fluid. The compression spring has the functions of: the oil liquid can be automatically compressed and adjusted again according to the air pressure in the exhaust passage, and the adjusting structure is stable.
In foretell die casting die carrier's exhaust apparatus, the outer reaming inner wall in step hole on be provided with the internal thread, the outer wall of cylinder end cap on be provided with the external screw thread, the cylinder end cap pass through external screw thread screwed connection on the outer reaming internal thread in step hole, the outer reaming hole bottom in step hole inlay and be equipped with the sealing washer, the interior shrinkage cavity in step hole be in the sealing washer, when the cylinder end cap links firmly in the outer reaming in step hole and this sealing washer elasticity supports and leans on the inner terminal surface in the cylinder end cap. The purpose of setting up like this makes the cylinder end cap convenient assembling in the outer reaming in step hole, can guarantee the sealed validity between cylinder end cap and the cover half through setting up the sealing washer.
In foretell die casting die carrier's exhaust apparatus, connection structure include the coupling, another outer terminal surface of cover half on be provided with the mounting hole of exhaust passage axial intercommunication, the inner wall of mounting hole on be provided with the internal thread, the outer wall of coupling on be provided with the external screw thread, the one end of coupling pass through external screw thread screwed connection on the internal thread of mounting hole, when the coupling links firmly in the mounting hole of cover half, and the coupling passage and the exhaust passage axial intercommunication of this coupling. The purpose of setting up like this is convenient for the coupling joint to assemble in the mounting hole of cover half and connects, convenient to use.
In foretell die casting die carrier's exhaust apparatus, the middle part position of the upper surface of cover half be equipped with rectangular channel one, die casting die cavity piece be the rectangle form, die casting die cavity piece inlay and establish and link firmly in rectangular channel one, the middle part position of the lower surface of movable mould be equipped with rectangular channel two, die casting die core piece be the rectangle form, die casting die core piece inlay and establish and link firmly in rectangular channel two. The die-casting die core block is convenient to assemble and connect with the fixed die and the die-casting die core block, and is convenient to use, and the die-casting die cavity block and the die-casting die core block are made of high-temperature-resistant materials.
In the exhaust device of the die-casting die frame, the lower surface of the die-casting core block is provided with die-casting convex teeth which are matched with the die-casting tooth grooves oppositely.
Compared with the prior art, the exhaust device of the die-casting die carrier has the advantages that: set up many exhaust holes, cause the gas reposition of redundant personnel that gets into in every exhaust hole, with gas outgoing through exhaust passage, and set up buffer in the exhaust passage, the pressure of ability automatically regulated exhaust passage avoids the molten metal or the gaseous direct injection of high temperature high pressure melting form to the die carrier traumatic person, prevents the emergence of incident.
Drawings
Fig. 1 is a schematic sectional structure view of the exhaust device of the die carrier.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure, 1, a fixed die; 2. moving the mold; 3. die-casting cavity blocks; 4. die-casting core blocks; 5. die-casting the tooth socket; 6. an exhaust hole; 7. an exhaust passage; 8. a vent hole; 9. a first piston; 10. a second piston; 11. a cylindrical plug; 12. a compression spring; 13. oil liquid; 14. a seal ring; 15. connecting a pipe joint; 16. and (4) die-casting the convex teeth.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the exhaust device of the die casting die carrier mainly comprises a rectangular fixed die 1 and a movable die 2 which is arranged above the fixed die 1 and matched with the fixed die 1, wherein a die casting cavity block 3 is fixedly arranged at the middle position of the upper surface of the fixed die 1, a die casting core block 4 is fixedly arranged at the middle position of the lower surface of the movable die 2, and during actual manufacturing, the die casting cavity block 3 and the die casting core block 4 are fixed in a specific manner: the middle position of the upper surface of the fixed die 1 is provided with a first rectangular groove, the die-casting cavity block 3 is rectangular, the die-casting cavity block 3 is embedded and arranged in the first rectangular groove, the middle position of the lower surface of the movable die 2 is provided with a second rectangular groove, the die-casting core block 4 is rectangular, and the die-casting core block 4 is embedded and arranged in the second rectangular groove.
The die-casting cavity block 3 and the die-casting core block 4 are relatively matched for die-casting to form a cavity of a product, a plurality of die-casting tooth grooves 5 which are transversely arranged in parallel at intervals are formed in the upper surface of the die-casting cavity block 3 in the cavity, each die-casting tooth groove 5 is long, exhaust holes 6 are vertically and downwards arranged on the die-casting cavity block 3 in the middle position between every two adjacent die-casting tooth grooves 5, an exhaust channel 7 is arranged in the fixed die 1, the upper end of each exhaust hole 6 is communicated with the cavity, and the lower end of each exhaust hole 6 is communicated with the exhaust channel 7; the lower surface of the die-casting core block 4 is provided with die-casting convex teeth 16 which are matched with the die-casting tooth grooves 5 oppositely.
In actual manufacturing, a stepped hole is formed in an outer end face of the fixed mold 1, and a vent hole 8 is formed in the fixed mold 1 between the stepped hole and the exhaust passage 7 and is communicated with the vent hole 8. One end of the exhaust passage 7 is provided with a buffer device for adjusting the air pressure in the exhaust passage 7, and in practical application, the buffer device has the following specific implementation modes: the piston is mainly composed of a first piston 9 and a second piston 10 which are axially arranged in an inner shrinkage hole of a step hole at intervals, a cylindrical plug 11 is detachably and fixedly connected in an outer expansion hole of the step hole, the cylindrical plug 11 is in sealing fit with the hole bottom of the outer expansion hole of the step hole, the first piston 9 is axially abutted against the hole opening of the vent hole 8, a compression spring 12 is arranged between the first piston 9 and the second piston 10, and oil liquid 13 is arranged between the second piston 10 and the cylindrical plug 11.
During actual design, the specific connection mode of the cylindrical plug 11 and the fixed die 1 is as follows: an internal thread is arranged on the inner wall of the outer hole expanding of the step hole, an external thread is arranged on the outer wall of the cylindrical plug 11, the cylindrical plug 11 is in threaded connection with the internal thread of the outer hole expanding of the step hole through the external thread, a sealing ring 14 is embedded at the hole bottom of the outer hole expanding of the step hole, the inner shrinkage hole of the step hole is located in the sealing ring 14, and when the cylindrical plug 11 is fixedly connected with the outer hole expanding of the step hole, the sealing ring 14 is elastically abutted against the inner end face of the cylindrical plug 11.
During actual manufacturing, a mounting hole axially communicated with the exhaust channel 7 is formed in the other outer end face of the fixed die 1, a connecting structure communicated with outside air pressure is arranged at the other end of the exhaust channel 7, and during actual application, the specific implementation mode of the connecting structure is as follows: mainly constitute by coupling pipe joint 15, be provided with the internal thread on the inner wall of mounting hole, be provided with the external screw thread on coupling pipe joint 15's the outer wall, coupling pipe joint 15's one end is passed through external screw thread screwed connection on the internal thread of mounting hole, when coupling pipe joint 15 links firmly in the mounting hole of cover half 1, and this coupling passage and the 7 axial intercommunications of exhaust passage of coupling pipe joint 15.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the stationary mold 1 is used more herein; a moving die 2; a die-casting cavity block 3; a die-cast core block 4; die-casting the tooth grooves 5; an exhaust hole 6; an exhaust passage 7; a vent hole 8; a first piston 9; a second piston 10; a cylindrical plug 11; a compression spring 12; an oil liquid 13; a seal ring 14; the pipe joint 15 is connected; die-cast teeth 16, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (7)
1. The exhaust device of the die casting die frame comprises a rectangular fixed die (1) and a movable die (2) which is positioned above the fixed die (1) and matched with the fixed die (1), wherein a die casting cavity block (3) is fixedly arranged at the middle position of the upper surface of the fixed die (1), a die casting core block (4) is fixedly arranged at the middle position of the lower surface of the movable die (2), the die casting cavity block (3) and the die casting core block (4) are relatively matched to form a die cavity of a product in die casting, and the exhaust device is characterized in that a plurality of die casting tooth grooves (5) which are transversely arranged in parallel at intervals are arranged on the upper surface of the die casting cavity block (3) positioned in the die cavity, each die casting tooth groove (5) is long, exhaust holes (6) are vertically and downwards arranged on the die casting cavity block (3) at the middle position between every two adjacent die casting tooth grooves (5), and an exhaust channel (7) is arranged in the fixed die (, the upper end of every exhaust hole (6) all communicates with the die cavity, the lower extreme of every exhaust hole (6) all communicates with exhaust passage (7), the one end of exhaust passage (7) be provided with the buffer who is used for exhaust passage (7) internal gas pressure to adjust, the other end of exhaust passage (7) be provided with the connection structure who communicates with external atmospheric pressure.
2. The exhaust device of the die-casting die rack as claimed in claim 1, wherein a step hole is arranged on an outer end face of the fixed die (1), and a vent hole (8) is arranged in the fixed die (1) between the step hole and the exhaust channel (7) and is communicated with the vent hole (8).
3. The exhaust device of the die-casting die frame as claimed in claim 2, wherein the buffering device comprises a first piston (9) and a second piston (10) which are axially arranged in an inner shrinkage hole of the stepped hole at intervals, a cylindrical plug (11) is detachably and fixedly connected in an outer expanded hole of the stepped hole, the cylindrical plug (11) is in sealing fit with the bottom of the outer expanded hole of the stepped hole, the first piston (9) axially abuts against the hole opening of the vent hole (8), a compression spring (12) is arranged between the first piston (9) and the second piston (10), and oil (13) is arranged between the second piston (10) and the cylindrical plug (11).
4. The exhaust device of die-casting die carrier of claim 3, characterized in that, the outer reaming inner wall in step hole on be provided with the internal thread, the outer wall of cylinder end cap (11) on be provided with the external screw thread, cylinder end cap (11) through external screw thread screwed connection on the outer reaming internal thread in step hole, the outer reaming hole bottom in step hole inlay and be equipped with sealing washer (14), the interior shrinkage cavity in step hole be in sealing washer (14), when cylinder end cap (11) links firmly in the outer reaming in step hole and this sealing washer (14) elasticity supports and leans on the inner terminal surface in cylinder end cap (11).
5. The exhaust device of the die-casting die set according to claim 1 or 4, characterized in that the connecting structure comprises a connecting pipe joint (15), the other outer end surface of the fixed die (1) is provided with a mounting hole axially communicated with the exhaust passage (7), the inner wall of the mounting hole is provided with an internal thread, the outer wall of the connecting pipe joint (15) is provided with an external thread, one end of the connecting pipe joint (15) is spirally connected to the internal thread of the mounting hole through the external thread, and when the connecting pipe joint (15) is fixedly connected in the mounting hole of the fixed die (1), the joint passage of the connecting pipe joint (15) is axially communicated with the exhaust passage (7).
6. The exhaust device of the die-casting die frame as claimed in claim 5, wherein a first rectangular groove is formed in the middle of the upper surface of the fixed die (1), the die-casting die cavity block (3) is rectangular, the die-casting die cavity block (3) is embedded and fixedly connected in the first rectangular groove, a second rectangular groove is formed in the middle of the lower surface of the movable die (2), the die-casting die core block (4) is rectangular, and the die-casting die core block (4) is embedded and fixedly connected in the second rectangular groove.
7. The venting device of a die casting die holder as claimed in claim 6, wherein the lower surface of the die casting core block (4) has die casting lugs (16) which are matched with the die casting gullets (5) in opposition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921487089.3U CN210547993U (en) | 2019-09-06 | 2019-09-06 | Exhaust device of die-casting die carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921487089.3U CN210547993U (en) | 2019-09-06 | 2019-09-06 | Exhaust device of die-casting die carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210547993U true CN210547993U (en) | 2020-05-19 |
Family
ID=70673193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921487089.3U Active CN210547993U (en) | 2019-09-06 | 2019-09-06 | Exhaust device of die-casting die carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210547993U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496095A (en) * | 2020-06-08 | 2020-08-07 | 深圳市亿和精密科技集团有限公司 | Aluminum product stamping die with exhaust structure |
| CN112622201A (en) * | 2020-11-30 | 2021-04-09 | 上杭建润电子科技有限公司 | Die device for traceless plastic package of power plug |
| CN113351848A (en) * | 2021-05-19 | 2021-09-07 | 东风(十堰)有色铸件有限公司 | Deep cavity exhaust technology in high-pressure casting mold |
-
2019
- 2019-09-06 CN CN201921487089.3U patent/CN210547993U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496095A (en) * | 2020-06-08 | 2020-08-07 | 深圳市亿和精密科技集团有限公司 | Aluminum product stamping die with exhaust structure |
| CN111496095B (en) * | 2020-06-08 | 2022-08-23 | 深圳市亿和精密科技集团有限公司 | Aluminum product stamping die with exhaust structure |
| CN112622201A (en) * | 2020-11-30 | 2021-04-09 | 上杭建润电子科技有限公司 | Die device for traceless plastic package of power plug |
| CN113351848A (en) * | 2021-05-19 | 2021-09-07 | 东风(十堰)有色铸件有限公司 | Deep cavity exhaust technology in high-pressure casting mold |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210547993U (en) | Exhaust device of die-casting die carrier | |
| CN213068571U (en) | A top mould gas permeability detects frock for powder metallurgy | |
| CN213006408U (en) | Auto-parts injection mold convenient to drawing of patterns | |
| CN109821952A (en) | The stamping die of a sheet forming | |
| CN110228149B (en) | Servo hydraulic fixed die | |
| CN211567057U (en) | Forming die manufacturing device | |
| CA2312222A1 (en) | Machine for opening dies for extruding aluminum and alloys thereof | |
| CN208343339U (en) | A kind of injection mold for rapid shaping In-Ear Headphones ear muff | |
| CN206317362U (en) | A kind of encapsulated injection mold of wiper bar | |
| CN207954553U (en) | A kind of multi-dot hydraulic pressure machinery clamping apparatus | |
| CN208179724U (en) | It is a kind of specially to play plastic button mold | |
| CN217019206U (en) | Fixing device convenient to section bar mould welding | |
| CN205732882U (en) | A kind of industrial die casting with degassing function | |
| CN209647392U (en) | A kind of brake block stamping die that thermal diffusivity is good | |
| CN214056186U (en) | Double-material injection molding shell mold | |
| CN205997280U (en) | A kind of fan processing mold changing flabellum quantity | |
| CN216881659U (en) | Mould with cooling water route | |
| CN216297900U (en) | Novel metal mold | |
| CN214442386U (en) | Inward inclination angle one-step forming die | |
| CN213288183U (en) | Drawing die for copper pipe processing | |
| CN204657379U (en) | Permeability type shaft member cold closed-die forging mould | |
| CN219705794U (en) | Exhaust structure of tire mold | |
| CN207830443U (en) | A kind of cylinder body splits the nitrogen gas spring of structure | |
| CN213002489U (en) | Die face insert type high-utilization-rate die | |
| CN217293142U (en) | Rotational molding die of balancing weight sleeve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211122 Address after: 313100 west of Xiangfu road and north of Jiaji petrochemical, Changxing County Development Zone, Huzhou City, Zhejiang Province Patentee after: Kejia (Changxing) mould base manufacturing Co.,Ltd. Address before: 318020 houyanghuang, Xinqian street, Huangyan, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG KEJIA MOULD BASE MANUFACTURING Co.,Ltd. |