CN211052420U - Vacuum hot forging forming die for metal material - Google Patents
Vacuum hot forging forming die for metal material Download PDFInfo
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- CN211052420U CN211052420U CN201922143463.4U CN201922143463U CN211052420U CN 211052420 U CN211052420 U CN 211052420U CN 201922143463 U CN201922143463 U CN 201922143463U CN 211052420 U CN211052420 U CN 211052420U
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Abstract
The utility model discloses a metal material vacuum hot forging forming die, which comprises an upper die plate and a lower die plate, wherein the upper die plate is provided with an upper die pressing core, the lower die plate is provided with a forging cavity, the lower die plate is also provided with a vacuum tube, one end of the vacuum tube is communicated with the forging cavity, a sealing element is arranged between the upper die plate and the lower die plate, and the sealing element is arranged around the upper die pressing core and the forging cavity; the lower template is further provided with a casing groove, the casing groove is communicated with the forging cavity, a mold pressing strip is arranged in the casing groove, a sealing assembly is arranged between the mold pressing strip and the lower template, and a positioning channel allowing the sheathed vacuum tube to pass through is arranged between the mold pressing strip and the casing groove. When the forging and pressing device works, the metal material is heated to the required temperature under the condition that the inner cavity of the sheath is kept in a vacuum state, and meanwhile, the forging and pressing is completed under the condition that the forging and pressing cavity is kept in the vacuum state, so that the metal material is in a double vacuum protection state in the hot working process and is not easy to oxidize.
Description
Technical Field
The utility model relates to a metal material hot working technical field especially relates to a metal material vacuum hot forging forming die.
Background
Hot working is an effective method for improving the mechanical properties of a metal material at high temperature by changing the structure of the metal material while shaping the metal material or changing the shaped material to a predetermined state to improve the mechanical properties of parts. In particular, high-strength and high-toughness vanadium alloy plates generally need multiple times of hot working. For the high-temperature heat treatment of metal materials such as vanadium alloy and the like, it is particularly important to reduce the oxidation behavior caused by the contact with air in the material processing process. For this purpose, it is common practice to sheath the metal material and then to perform hot working.
At present, a metal material high-temperature thermal processing sheath is easy to oxidize, low in production efficiency and high in cost, and the problems that whether the sheath leaks air or not when sealing and welding are finished cannot be detected and the like are solved. Chinese patent publication No. CN101745591A discloses a metal forging and pressing forming apparatus and a processing method thereof, which discloses a forging and pressing apparatus, but does not mention how to prevent oxidation of materials.
Therefore, how to solve the problems that the metal material high-temperature hot-working sheath is easy to oxidize and the production efficiency is low in the prior art becomes a problem to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a metal material vacuum hot forging forming die to solve the problem that above-mentioned prior art exists, prevent that metal material high temperature course of working from being by the oxidation, improving production efficiency.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a metal material vacuum hot forging forming die, including cope match-plate pattern and lower bolster, the cope match-plate pattern has convex last mould pressing core, the lower bolster have with the forging and pressing chamber of last mould pressing core looks adaptation, the lower bolster still sets up the vacuum tube, the one end of vacuum tube with the forging and pressing chamber is linked together, the other end of vacuum tube stretches out the lower bolster and can link to each other with evacuating device, still set up sealing element between cope match-plate pattern and the lower bolster, sealing element encircles last mould pressing core with the setting of forging and pressing chamber; the lower die plate is further provided with a casing groove, the casing groove is communicated with the forging and pressing cavity, a die pressing strip is arranged in the casing groove and connected with the casing groove in an inserting mode, a sealing assembly is arranged between the die pressing strip and the lower die plate, and a positioning channel allowing the sheathed vacuum tube to pass through is arranged between the die pressing strip and the casing groove.
Preferably, the upper mold plate is provided with a guide post, the lower mold plate is provided with a guide post groove matched with the guide post, and the guide post is slidably arranged in the guide post groove.
Preferably, the number of the guide posts and the guide post grooves is four, and the four guide posts are arranged at four corners of the upper template and are symmetrical in pairs.
Preferably, the upper die plate is provided with a first sealing groove, the lower die plate is provided with a second sealing groove, a groove matched with the first sealing groove is formed in the die pressing strip, the first sealing groove and the second sealing groove are oppositely arranged, and a space surrounded by the first sealing groove and the second sealing groove can contain the sealing element.
Preferably, the first sealing groove and the second sealing groove are both annular.
Preferably, the sheathing groove is a U-shaped groove, the bottom of the mold pressing strip is provided with a positioning groove with a semicircular section, the positioning groove faces the bottom of the sheathing groove, the positioning groove and the sheathing groove enclose the positioning channel, and the top of the mold pressing strip is flush with the top of the lower template.
Preferably, an O-shaped groove capable of accommodating an O-shaped ring is arranged in the positioning groove.
Preferably, the axis of the cannula slot is parallel to the axis of the vacuum tube.
The utility model discloses for prior art gain following technological effect: the utility model discloses a metal material vacuum hot forging forming die, including cope match-plate pattern and lower bolster, the cope match-plate pattern has convex last mould pressing core, the lower bolster has the forging and pressing chamber with last mould pressing core looks adaptation, the lower bolster still sets up the vacuum tube, one end and the forging and pressing chamber of vacuum tube are linked together, the other end of vacuum tube stretches out the lower bolster and can link to each other with evacuating device, still set up sealing element between cope match-plate pattern and the lower bolster, sealing element encircles last mould pressing core and forging and pressing chamber setting; the lower template is further provided with a casing groove, the casing groove is communicated with the forging cavity, a mold pressing strip is arranged in the casing groove and connected with the casing groove in an inserting mode, a sealing assembly is arranged between the mold pressing strip and the lower template, and a positioning channel allowing the sheathed vacuum tube to pass through is arranged between the mold pressing strip and the casing groove. The during operation is keeping heating metal material to required temperature under the state to canning inner chamber evacuation, simultaneously, is keeping accomplishing the forging and pressing under the state to forging and pressing chamber evacuation, makes metal material be in dual vacuum protection state in hot working process, and difficult oxidation has improved production efficiency and yields, and uses the utility model discloses a metal material vacuum hot forging forming die has solved the difficult problem whether can't detect the envelope pipe and leak gas when sealing welding accomplishes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural view of a lower template of the metal material vacuum hot forging forming die of the present invention;
fig. 2 is a schematic structural view of an upper mold plate of the metal material vacuum hot forging mold according to the present invention;
fig. 3 is a schematic structural view of a mold pressing strip of the metal material vacuum hot forging mold of the present invention;
the vacuum die comprises a die body, a die pressing strip, a die, a lower die plate, an upper die pressing core, a forging cavity, a vacuum tube, a die pressing strip, a guide pillar groove, a first sealing groove, a second sealing groove and a positioning groove, wherein the die body is 1, the die pressing strip is 2, the guide pillar is 3, the guide pillar groove is 4, the vacuum tube is 5, the die pressing strip is 6, the die pressing strip is 7, the guide pillar is.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a metal material vacuum hot forging forming die to solve the problem that above-mentioned prior art exists, prevent that metal material high temperature course of working from being by the oxidation, improving production efficiency.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1-3, wherein fig. 1 is a schematic structural view of a lower mold plate of a metal material vacuum hot forging mold of the present invention, fig. 2 is a schematic structural view of an upper mold plate of the metal material vacuum hot forging mold of the present invention, and fig. 3 is a schematic structural view of a mold pressing strip of the metal material vacuum hot forging mold of the present invention.
The utility model provides a metal material vacuum hot forging forming die, including cope match-plate pattern 1 and lower bolster 2, cope match-plate pattern 1 has convex last mould pressing core 3, and lower bolster 2 has forging and pressing chamber 4 with last mould pressing core 3 looks adaptation, and lower bolster 2 still sets up vacuum tube 5, and one end and forging and pressing chamber 4 of vacuum tube 5 are linked together, and the other end of vacuum tube 5 stretches out lower bolster 2 and can link to each other with evacuating device, still sets up sealing element between cope match-plate pattern 1 and the lower bolster 2, and sealing element encircles last mould pressing core 3 and forging and pressing chamber 4 setting; the lower die plate 2 is further provided with a casing groove 6, the casing groove 6 is communicated with the forging cavity 4, a die pressing strip 7 is arranged in the casing groove 6, the die pressing strip 7 is connected with the casing groove 6 in an inserting mode, a sealing assembly is arranged between the die pressing strip 7 and the lower die plate 2, and a positioning channel allowing a sheathed vacuum tube to pass through is arranged between the die pressing strip 7 and the casing groove 6.
Use the utility model discloses a metal material vacuum hot forging forming die adds man-hour to metal material heat, heats metal material to required temperature under keeping the state to canning inner chamber evacuation, simultaneously, accomplishes the forging and pressing under keeping the state to forging and pressing 4 vacuums in chamber, makes metal material be in dual vacuum protection state in hot working process, is difficult for the oxidation, has improved production efficiency and yields, and uses the utility model discloses a metal material vacuum hot forging forming die has solved the difficult problem whether the gas leakage of can't detect the jacketing pipe when the sealing weld is accomplished.
Wherein, cope match-plate pattern 1 sets up guide pillar 8, has the guide pillar groove 9 with 8 looks adaptations of guide pillar on the lower bolster 2, and guide pillar 8 slidable sets up in guide pillar groove 9, and guide pillar 8, guide pillar groove 9 provide the guide effect for cope match-plate pattern 1 and lower bolster 2 compound die.
In this embodiment, the number of guide pillar 8 and guide pillar groove 9 is four, and four guide pillars 8 set up in the four corners of cope match-plate pattern 1 and two liang of symmetries, and four guide pillars 8 enclose into the rectangle, provide stable direction for cope match-plate pattern 1 and lower bolster 2 compound die, improve the compound die precision.
Specifically, the upper die plate 1 is provided with a first sealing groove 10, the lower die plate 2 is provided with a second sealing groove 11, a groove matched with the first sealing groove 10 is formed in the die pressing strip 7, the first sealing groove 10 and the second sealing groove 11 are oppositely arranged, a sealing element can be accommodated in a space enclosed by the first sealing groove 10 and the second sealing groove 11, the sealing element ensures the air tightness when the upper die plate 1 and the lower die plate 2 are closed, the first sealing groove 10 and the second sealing groove 11 provide mounting positions for the sealing element, and meanwhile, the sealing element is convenient to position.
In order to ensure the sealing performance of the forging cavity 4 when the upper die plate 1 and the lower die plate 2 are assembled, the first sealing groove 10 and the second sealing groove 11 are both annular, and the forging cavity 4 is located in the inner rings of the first sealing groove 10 and the second sealing groove 11.
More specifically, package sleeve pipe groove 6 is the U-shaped groove, the bottom of mould layering 7 has the cross-section to be semicircular constant head tank 12, constant head tank 12 sets up towards the bottom of package sleeve pipe groove 6, constant head tank 12 encloses into the location passageway with package sleeve pipe groove 6, the location passageway can allow the canning vacuum tube to pass through, the top of mould layering 7 is level and level with the top of lower bolster 2 mutually, avoid mould layering 7 to influence the compound die precision of cope match-plate pattern 1 and lower bolster 2, avoid having the gap between mould layering 7 and the cope match-plate pattern 1 simultaneously and lead to forging the gas tightness decline in chamber 4.
Furthermore, an O-shaped groove capable of containing an O-shaped ring is arranged in the positioning groove 12, and the O-shaped ring is sleeved outside the sheath vacuum tube in order not to influence the air tightness of the forging cavity 4.
In the specific embodiment, the axis of the sleeve-wrapping groove 6 is parallel to the axis of the vacuum tube 5, so that the vacuum tube and the vacuum tube 5 can be conveniently wrapped and connected with a vacuum-pumping device, and the labor intensity of operators is reduced.
Use the utility model discloses a metal material vacuum hot forging forming die adds man-hour to the material, including following step:
step one, preparing a sheath, namely putting a metal material to be forged into the sheath, connecting sheath vacuum tubes at the corners of the sheath, manufacturing the sheath by using a stainless steel material, welding and connecting the sheath vacuum tubes with the sheath, after putting the metal material into the sheath, performing seam welding sealing treatment on the other edges of the sheath except the sheath vacuum tubes, and vacuumizing the inner cavity of the sheath through the sheath vacuum tubes.
And secondly, heating the metal material by adopting a high-frequency heating furnace, measuring the temperature of the metal material by using an infrared temperature measurer, and heating the metal material to the required temperature under the condition of keeping the vacuum pumping state of the inner cavity of the sheath.
And step three, placing the sheath in the forging cavity 4, positioning a sheath vacuum tube in the sheath groove 6 and extending out of the lower template 2, and placing the die hold-down strip 7 in the sheath pipeline, namely positioning the sheath vacuum tube in the positioning channel.
And step four, the upper template 1 and the lower template 2 are assembled, the upper die pressing core 3 is abutted to the sheath, and the forging cavity 4 is vacuumized through the vacuum tube 5.
And fifthly, applying downward force to the upper template 1 through a hydraulic press, and closing the upper template 1 and the lower template 2 until the upper template and the lower template are abutted to finish closing the dies.
And sixthly, opening the mold, taking out the mold pressing strip 7, taking out the sample, and closing the vacuumizing device.
The utility model discloses a metal material vacuum hot forging shaping processing method is keeping heating metal material to required temperature under the state to canning inner chamber evacuation, simultaneously, is keeping accomplishing the forging and pressing under the state to forging and pressing 4 evacuation in chamber, makes metal material be in dual vacuum protection state in hot working process, and difficult oxidation has improved production efficiency and yields, has reduced manufacturing cost.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. The utility model provides a metal material vacuum hot forging forming die which characterized in that: the vacuum pipe forging die comprises an upper die plate and a lower die plate, wherein the upper die plate is provided with a convex upper die pressing core, the lower die plate is provided with a forging cavity matched with the upper die pressing core, the lower die plate is also provided with a vacuum pipe, one end of the vacuum pipe is communicated with the forging cavity, the other end of the vacuum pipe extends out of the lower die plate and can be connected with a vacuumizing device, a sealing element is further arranged between the upper die plate and the lower die plate, and the sealing element is arranged around the upper die pressing core and the forging cavity; the lower die plate is further provided with a casing groove, the casing groove is communicated with the forging and pressing cavity, a die pressing strip is arranged in the casing groove and connected with the casing groove in an inserting mode, a sealing assembly is arranged between the die pressing strip and the lower die plate, and a positioning channel allowing the sheathed vacuum tube to pass through is arranged between the die pressing strip and the casing groove.
2. The metal material vacuum hot forging forming die according to claim 1, wherein: the upper template is provided with a guide pillar, the lower template is provided with a guide pillar groove matched with the guide pillar, and the guide pillar is slidably arranged in the guide pillar groove.
3. The metal material vacuum hot forging forming die according to claim 2, wherein: the guide posts and the guide post grooves are four in number, and the four guide posts are arranged at four corners of the upper template and are symmetrical in pairs.
4. The metal material vacuum hot forging forming die according to claim 1, wherein: the upper die plate is provided with a first sealing groove, the lower die plate is provided with a second sealing groove, a groove matched with the first sealing groove is formed in the die pressing strip, the first sealing groove and the second sealing groove are oppositely arranged, and a space surrounded by the first sealing groove and the second sealing groove can contain the sealing element.
5. The metal material vacuum hot forging forming die according to claim 4, wherein: the first sealing groove and the second sealing groove are both annular.
6. The metal material vacuum hot forging forming die according to claim 5, wherein: the die pressing strip comprises a die pressing strip and a lower template, wherein the die pressing strip is provided with a U-shaped groove, the bottom of the die pressing strip is provided with a positioning groove with a semicircular section, the positioning groove faces the bottom of the die pressing strip, the positioning groove and the die pressing strip enclose a positioning channel, and the top of the die pressing strip is flush with the top of the lower template.
7. The metal material vacuum hot forging forming die according to claim 6, wherein: an O-shaped groove capable of containing an O-shaped ring is arranged in the positioning groove.
8. The metal material vacuum hot forging forming die according to claim 1, wherein: the axis of the sleeve groove is parallel to the axis of the vacuum tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922143463.4U CN211052420U (en) | 2019-12-04 | 2019-12-04 | Vacuum hot forging forming die for metal material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922143463.4U CN211052420U (en) | 2019-12-04 | 2019-12-04 | Vacuum hot forging forming die for metal material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211052420U true CN211052420U (en) | 2020-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922143463.4U Active CN211052420U (en) | 2019-12-04 | 2019-12-04 | Vacuum hot forging forming die for metal material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211052420U (en) |
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2019
- 2019-12-04 CN CN201922143463.4U patent/CN211052420U/en active Active
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