CN111112533B - Hot forging die with internal cooling function and cooling method thereof - Google Patents
Hot forging die with internal cooling function and cooling method thereof Download PDFInfo
- Publication number
- CN111112533B CN111112533B CN201911401668.6A CN201911401668A CN111112533B CN 111112533 B CN111112533 B CN 111112533B CN 201911401668 A CN201911401668 A CN 201911401668A CN 111112533 B CN111112533 B CN 111112533B
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- cooling
- punch
- die
- drift
- hot forging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K29/00—Arrangements for heating or cooling during processing
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- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention is suitable for the technical field of dies and provides a hot forging die with an internal cooling function and a cooling method thereof, wherein the hot forging die comprises a forging assembly, the forging assembly comprises an upper die, a punch and a lower die matched with the upper die, the punch is fixedly connected with the upper die, and the hot forging die also comprises a cooling assembly, and the cooling assembly comprises an adjusting part and the punch; because the cooling tube is linked together with the inside of drift, and then the inside coolant liquid of cooling tube inside just can flow the inside of drift, here, the coolant liquid of establishing greatly cools down the drift through the drift inside, and reach interior cold purpose, secondly, after the regulation portion rotates, just make the bottom shrink of regulation portion, and break away from the bottom of drift, and then open the opening part of drift bottom, make inside coolant liquid flow out, and flow the position that drift and forge hot piece contacted, and carry out the cooling of both junctions, avoid appearing drift and the forge hot piece condition together of gluing for a long time.
Description
Technical Field
The invention belongs to the technical field of dies, and particularly relates to a hot forging die with an internal cooling function and a cooling method thereof.
Background
The forging die is a die used in a forging process, and a raw material is plastically deformed in the forging die by an external force, thereby obtaining a part of a desired shape and size. The forging die can be divided into a hot forging die, a warm forging die and a cold forging die according to different forging temperatures. The hot forging die can be divided into a hammer forging die, a screw press forging die, a mechanical press forging die, a plain forging die, a hydraulic press forging die and the like due to different equipment, a processing die frame is required to be designed during the forging of the press, a blank making (such as roll forging and wedge cross rolling) die, a trimming die, a punching die, a correcting die, a cold precision pressing die and the like are also required during the forging process, and the dies and devices also belong to the category of forging dies.
After the hot forging piece is subjected to hot forging casting, a forging piece is contacted with a punch on a die, the punch and the forging piece are bonded, the service life of the die is greatly shortened, and sometimes even a product cannot be formed.
Disclosure of Invention
The invention provides a hot forging die with an internal cooling function and a cooling method thereof, and aims to solve the problems that after a hot forging piece is subjected to hot forging casting, a forging piece is in contact with a punch on the die, the punch and the forging piece are bonded, the service life of the die is greatly shortened, and sometimes even a product cannot be formed.
The invention is realized in this way, a hot forging die with internal cooling function, including forging the assembly, the said forging the assembly includes the upper die, drift and lower die matched with said upper die, the said drift is fixedly connected to the said upper die, characterized by that: the cooling component comprises an adjusting part which penetrates through the upper die, one end of the adjusting part is contained in the punch, and is screwed with the punch, a cooling cavity is arranged inside the punch and is communicated with the inside of the cooling pipe, the adjusting part comprises an adjusting rod, a piston and a sealing rod, the piston and the sealing rod are contained in the punch, the piston is fixed on the outer wall of the adjusting rod, the sealing rod is fixed at one end of the adjusting rod, the adjusting rod penetrates through the upper die, a liquid injection cavity is formed in the bottom of the punch, the sealing rod is accommodated in the liquid injection cavity, and annotate the liquid chamber and be linked together with the cooling chamber, the inner wall of annotating the liquid chamber and the outer wall of sealing rod all are equipped with the screw thread, the sealing rod pass through the screw thread spiro union in annotate the inside in liquid chamber.
Preferably, the top of the lower die is provided with a cavity matched with the punch, and a lower ejector rod is fixedly arranged in the cavity.
Preferably, a heat conduction rod is accommodated in the cooling cavity, and two ends of the heat conduction rod are respectively and fixedly connected to the cooling pipe and the punch.
Preferably, the cooling pipe is L-shaped, and an opening of the cooling pipe faces the top of the upper mold.
A cooling method of a hot forging die comprises the following steps:
step S10: injecting a cooling liquid into the interior of the cooling tube and flowing into the interior of the cooling cavity;
step S20: the staff rotates the adjusting rod and drives the sealing rod to rotate;
step S30: the piston and the sealing rod are separated from a liquid injection cavity in the punch;
step S40: the cooling liquid in the cooling cavity flows into the liquid injection cavity;
step S50: and discharging the cooling liquid from the liquid injection cavity, and cooling the space between the punch and the hot forging.
Preferably, in step S10, the opening of the cooling tube communicates with an external infusion tube, and the cooling liquid is supplied to the inside of the cooling tube through the external infusion tube.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a hot forging die with an internal cooling function and a cooling method thereof.A regulating part, a cooling pipe and a punch are arranged, in the using process, after a hot forging piece is subjected to hot forging by the punch, a worker can rotate the regulating part, and because the cooling pipe is communicated with the inside of the punch, the cooling liquid in the cooling pipe can flow into the punch, so that the punch is cooled by the cooling liquid contained in the punch, and the purpose of internal cooling is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic cross-sectional view of a punch according to the present invention;
FIG. 4 is a schematic flow diagram of a method of the present invention;
in the figure: 1. forging the component; 11. an upper die; 12. a punch; 13. a cavity; 14. a lower die; 15. a cooling chamber; 16. a lower ejector rod; 17. a liquid injection cavity; 2. a cooling assembly; 21. adjusting a rod; 22. a cooling tube; 23. a heat conducting rod; 24. a piston; 25. and (4) sealing the rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a forge hot die utensil with interior cooling function, is including forging subassembly 1, forges subassembly 1 and includes upper die 11, drift 12 and with upper die 11 looks adaptation's bed die 14, drift 12 fixed connection in upper die 11 still includes cooling module 2, and cooling module 2 includes the regulating part, and the regulating part runs through upper die 11, and the one end of regulating part is acceptd in the inside of drift 12 to the spiro union is in drift 12.
In the embodiment, in the using process, the upper die 11 is fixedly connected to an external press, when a hot forging piece needs to be processed, the upper die 11 is driven by the press to descend, so that the punch 12 is butted with the cavity 13 on the lower die 14, the hot forging piece is positioned in the cavity 13 and supported at the top of the lower ejector rod 16, and then the hot forging piece can be hot forged by descending the punch 12, secondly, after the hot forging piece is hot forged, the upper die 11 and the punch 12 can be driven by the press to ascend again, when the punch 12 and the hot forging piece are adhered together, a worker can rotate the adjusting rod 21, as one end of the adjusting rod 21 is fixedly connected to the sealing rod 25, and then the sealing rod 25 can be driven to rotate by the rotation of the adjusting rod 21, and the sealing rod 25 is screwed with the cavity 17 at the bottom of the punch 12, then rotate through sealing rod 25 and just can remove in the inside of annotating liquid chamber 17, adjust the continuous removal of pole 21 afterwards, just can drive sealing rod 25 and constantly remove in the inside of annotating liquid chamber 17, and finally break away from the inside of annotating liquid chamber 17, simultaneously, piston 24 just can leave the junction of cooling chamber 15 and annotating liquid chamber 17, after piston 24 breaks away from, cooling chamber 15 just can communicate each other with annotating liquid chamber 17, thereby the inside coolant liquid of cooling chamber 15 just can flow to the inside of annotating liquid chamber 17, and flow from annotating the inside of liquid chamber 17, and flow to the position that drift 12 and hot forging contacted, and carry out the cooling of both junctions, avoid appearing drift 12 and the long-time condition that bonds together of hot forging.
Further, a cavity 13 matched with the punch 12 is formed in the top of the lower die 14, and a lower ejector rod 16 is fixedly arranged in the cavity 13.
In the present embodiment, during use, the cavity 13 is opened to accommodate the hot forged part, and then, the cavity 13 is opened with a drain hole and a baffle plate corresponding to the drain hole is provided, so that after the coolant drops from the punch 12, the coolant flows into the cavity 13 by the baffle plate (not shown) and enters the drain hole to be discharged.
Further, a cooling chamber 15 is opened inside the punch 12, and the cooling chamber 15 communicates with the inside of the cooling pipe 22.
In this embodiment, the cooling pipe 22 is located inside the upper die 11 during use, and the worker can inject the cooling liquid into the cooling pipe 22, flow into the cooling cavity 15 along the cooling pipe 22, and radiate the inside of the punch 12.
Further, the adjusting portion includes an adjusting rod 21, a piston 24 and a sealing rod 25, the piston 24 and the sealing rod 25 are both contained in the punch 12, the piston 24 is fixed on the outer wall of the adjusting rod 21, the sealing rod 25 is fixed on one end of the adjusting rod 21, and the adjusting rod 21 penetrates through the upper die 11.
In the present embodiment, during the use process, the worker can rotate the adjusting rod 21, and since one end of the adjusting rod 21 is fixedly connected to the sealing rod 25, the sealing rod 25 can be driven to rotate by the rotation of the adjusting rod 21, and the piston 24 can be driven to move synchronously.
Furthermore, the bottom of the punch 12 is provided with a liquid injection cavity 17, the sealing rod 25 is accommodated in the liquid injection cavity 17, and the liquid injection cavity 17 is communicated with the cooling cavity 15.
In this embodiment, during use, the sealing rod 25 moves inside the pouring chamber 17 as it rotates, and then the sealing rod 25 is moved inside the pouring chamber 17 by the continuous movement of the adjustment lever 21, and finally disengages from the pouring chamber 17.
Further, a heat conduction rod 23 is housed inside the cooling chamber 15, and both ends of the heat conduction rod 23 are fixedly connected to the inside of the cooling pipe 22 and the inside of the punch 12, respectively.
In the present embodiment, during use, the heat conducting rod 23 is used for conducting heat and dissipating heat of the internal cooling liquid, and one end of the heat conducting rod 23 extends to the opening of the cooling tube 22.
Further, the inner wall of the liquid injection cavity 17 and the outer wall of the sealing rod 25 are both provided with threads, and the sealing rod 25 is screwed in the liquid injection cavity 17 through the threads.
In the embodiment, in the using process, the sealing rod 25 can smoothly move in the liquid injection cavity 17 through the arrangement of the threads, the bottom of the sealing rod 25 is matched with the bottom of the punch 12 to form a complete plane, and the influence of the installation of the sealing rod 25 on the hot forging process of the hot forging piece is further avoided.
Further, the cooling pipe 22 is L-shaped, and an opening of the cooling pipe 22 faces the top of the upper mold 11.
In the present embodiment, in the use process, the cooling liquid inside can be prevented from leaking and leaking from the opening of the cooling pipe 22 by setting the opening of the cooling pipe 22.
Referring to fig. 4, a method for cooling a hot forging die includes the following steps:
step S10: injecting the cooling liquid into the interior of the cooling tube 22 and flowing into the interior of the cooling chamber 15;
step S20: the worker rotates the adjusting rod 21 and drives the sealing rod 25 to rotate;
step S30: the piston 24 and the sealing rod 25 are separated from the liquid injection cavity 17 in the punch 12;
step S40: the cooling liquid in the cooling cavity 15 flows into the liquid injection cavity 17;
step S50: the cooling liquid is discharged from the liquid injection cavity 17 to cool the space between the punch 12 and the hot forging.
In the embodiment, after hot forging the hot forged piece, the upper die 11 and the punch 12 can be driven by the press again to ascend, when the punch 12 and the hot forged piece are adhered together, a worker can rotate the adjusting rod 21, because one end of the adjusting rod 21 is fixedly connected to the sealing rod 25, the sealing rod 25 can be driven to rotate by the rotation of the adjusting rod 21, the sealing rod 25 is screwed with the liquid injection cavity 17 at the bottom of the punch 12, the sealing rod 25 can move in the liquid injection cavity 17 by the rotation of the sealing rod 25, then the adjusting rod 21 can move continuously, the sealing rod 25 can be driven to move continuously in the liquid injection cavity 17 and finally break away from the inside of the liquid injection cavity 17, meanwhile, the piston 24 can leave the joint of the cooling cavity 15 and the liquid injection cavity 17, after the piston 24 breaks away from, the cooling cavity 15 can be communicated with the liquid injection cavity 17, therefore, the cooling liquid in the cooling cavity 15 can flow into the liquid injection cavity 17 and flow out of the liquid injection cavity 17, and flow to the position where the punch 12 is contacted with the hot forging, and the joint of the punch 12 and the hot forging is cooled, so that the situation that the punch 12 and the hot forging are adhered together for a long time is avoided.
Further, in step S10, the opening of the cooling tube 22 communicates with an external infusion tube, and the cooling liquid is supplied to the inside of the cooling tube 22 through the external infusion tube.
In the present embodiment, the coolant can smoothly enter the cooling pipe 22 by utilizing the communication relationship at the opening of the cooling pipe 22, and the coolant can smoothly be used for the subsequent use.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a forge hot die utensil with interior cooling function, is including forging the subassembly, forge the subassembly and include last mould, drift and with the bed die of going up mould looks adaptation, the drift fixed connection in go up the mould, its characterized in that: the cooling component comprises an adjusting part which penetrates through the upper die, one end of the adjusting part is contained in the punch, and is screwed with the punch, a cooling cavity is arranged inside the punch and is communicated with the inside of the cooling pipe, the adjusting part comprises an adjusting rod, a piston and a sealing rod, the piston and the sealing rod are contained in the punch, the piston is fixed on the outer wall of the adjusting rod, the sealing rod is fixed at one end of the adjusting rod, the adjusting rod penetrates through the upper die, a liquid injection cavity is formed in the bottom of the punch, the sealing rod is accommodated in the liquid injection cavity, and annotate the liquid chamber and be linked together with the cooling chamber, the inner wall of annotating the liquid chamber and the outer wall of sealing rod all are equipped with the screw thread, the sealing rod pass through the screw thread spiro union in annotate the inside in liquid chamber.
2. A hot forging die with an internal cooling function as claimed in claim 1, wherein: and a cavity matched with the punch is formed in the top of the lower die, and a lower ejector rod is fixedly arranged in the cavity.
3. A hot forging die with an internal cooling function as claimed in claim 1, wherein: the inside in cooling chamber has acceptd the heat conduction pole, the both ends of heat conduction pole respectively fixed connection in the inside of cooling tube and drift.
4. A hot forging die with an internal cooling function as claimed in claim 1, wherein: the cooling pipe is L-shaped, and the opening of the cooling pipe faces the top of the upper die.
5. A cooling method of a hot forging die, which is applied to the hot forging die with an internal cooling function as claimed in claim 1, wherein: the method comprises the following steps:
step S10: injecting a cooling liquid into the interior of the cooling tube and flowing into the interior of the cooling cavity;
step S20: the staff rotates the adjusting rod and drives the sealing rod to rotate;
step S30: the piston and the sealing rod are separated from a liquid injection cavity in the punch;
step S40: the cooling liquid in the cooling cavity flows into the liquid injection cavity;
step S50: and discharging the cooling liquid from the liquid injection cavity, and cooling the space between the punch and the hot forging.
6. A method of cooling a hot forging die as claimed in claim 5, wherein: in step S10, the opening of the cooling pipe communicates with an external infusion tube, and the cooling liquid is supplied to the inside of the cooling pipe through the external infusion tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911401668.6A CN111112533B (en) | 2019-12-31 | 2019-12-31 | Hot forging die with internal cooling function and cooling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911401668.6A CN111112533B (en) | 2019-12-31 | 2019-12-31 | Hot forging die with internal cooling function and cooling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111112533A CN111112533A (en) | 2020-05-08 |
| CN111112533B true CN111112533B (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911401668.6A Expired - Fee Related CN111112533B (en) | 2019-12-31 | 2019-12-31 | Hot forging die with internal cooling function and cooling method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112719202B (en) * | 2020-12-08 | 2023-02-21 | 山西豪钢重工股份有限公司 | Integral forging and forming process for mining chain wheel |
| CN112453179B (en) * | 2020-12-11 | 2022-12-27 | 重庆鑫仁瑞五金制品有限公司 | Novel punching mechanism of punch press |
| CN116511456B (en) * | 2023-04-28 | 2024-04-16 | 重庆顺多利机车有限责任公司 | Liquid forging machine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004209519A (en) * | 2002-12-30 | 2004-07-29 | Sakamura Mach Co Ltd | Molding machine |
| JP3146487U (en) * | 2008-08-12 | 2008-11-20 | 株式会社阪村機械製作所 | Forging machine |
| JP3153880U (en) * | 2009-06-30 | 2009-09-24 | 株式会社阪村機械製作所 | Forging machine |
| CN105251965B (en) * | 2015-11-11 | 2017-08-22 | 天津爱田汽车部件有限公司 | A kind of self-loopa cools down drift |
| CN207577330U (en) * | 2017-10-17 | 2018-07-06 | 日星金属制品(上海)有限公司 | The cooling structure of hot forged mould |
| CN208960886U (en) * | 2018-09-19 | 2019-06-11 | 无锡双马钻探工具有限公司 | It thickeies monoblock type no-dig technique drilling rod and uses from cooling and thicken formed punch |
| CN110014109B (en) * | 2019-04-22 | 2021-02-02 | 安徽康尼精密机械有限公司 | Hot forging die upper die with internal cooling function and cooling method thereof |
| CN110560621B (en) * | 2019-08-30 | 2021-06-15 | 宝鸡法士特齿轮有限责任公司 | Cooling punch structure |
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- 2019-12-31 CN CN201911401668.6A patent/CN111112533B/en not_active Expired - Fee Related
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