CN110947889A - Large annular forging die and forming process thereof - Google Patents
Large annular forging die and forming process thereof Download PDFInfo
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- CN110947889A CN110947889A CN201911332279.2A CN201911332279A CN110947889A CN 110947889 A CN110947889 A CN 110947889A CN 201911332279 A CN201911332279 A CN 201911332279A CN 110947889 A CN110947889 A CN 110947889A
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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
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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
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/04—Shaping in the rough solely by forging or pressing
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- 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
- B21K1/00—Making machine elements
- B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
- B21K1/761—Making machine elements elements not mentioned in one of the preceding groups rings
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Abstract
The invention relates to the technical field of forging dies and discloses a large annular forging die and a forming process thereof. This large-scale annular forging mould and forming process thereof, through setting up the diaphragm, the blanking hole, dump bin and cushion, the user is when the user is using equipment, in sending into this equipment with metal preparation board 3, open the punching press oil top, these wastes material drop in the dump bin through the blanking hole when the demolding, the forging can not drop because length is great, so, in the forging can not sneak into to the waste material during demolding, the forging can not scraped the flower, user's vexation has been removed from, user's use has been made things convenient for.
Description
Technical Field
The invention relates to the technical field of forging dies, in particular to a large annular forging die and a forming process thereof.
Background
Annular forgings are products of the forging industry, one type of forging, is an annular piece of metal stock (without plates) that is forced into the proper compressive force by the requirement of plastic deformation molding, typically by the use of a hammer or press. The forging process builds a delicate particle structure, improves the physical properties of metal, and the annular forging is visible everywhere in daily life and is an industrial product.
Chinese patent CN106001366B proposes a wheel hub forging die, which can forge wheel hubs with different spoke shapes by a pair of dies only by replacing the upper die core, but the die is difficult to clean up a large amount of waste materials generated during use, and the waste materials scratch the forging piece when the die is removed, so that the user is rather annoying, and thus, a large annular forging piece forging die and a molding process thereof are proposed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a large annular forging piece forging die and a forming process thereof, which have the advantages that the forging piece cannot be scratched by waste materials during forging, and the like, and solve the problems that a large amount of waste materials generated during the use of the traditional die are difficult to clean, and the forging piece is scratched by the waste materials during demolding, so that a user is very annoying.
In order to achieve the purpose that the waste materials in the forging process can not scratch the forge piece, the invention provides the following technical scheme: a large-scale annular forging die comprises a base plate, wherein two support plates are fixedly mounted at the top of the base plate, the tops of the two support plates are fixedly connected with a transverse plate, a stamping box is fixedly mounted at the top of the transverse plate, a stamping oil top is fixedly mounted on the inner top wall of the stamping box, an extension rod is fixedly mounted at the output end of the stamping oil top, an upper template is fixedly mounted at the bottom of the extension rod, five upper grooves are formed in the bottom of the upper template, an upper vent hole with one end communicated with the upper grooves is formed in the top of the upper template, a lower template is fixedly mounted on the inner bottom wall of the stamping box, five lower grooves are formed in the top of the lower template, a lower vent hole with one end communicated with the lower grooves is formed in the bottom of the lower template, and a cutting push rod is fixedly mounted on the inner top wall of the stamping box and positioned on the right side of the stamping oil top, the output fixed mounting who cuts the push rod has the mounting panel, the bottom fixed mounting of mounting panel has the cutter, the top of diaphragm and the right side that is located the punching press case are seted up one end and are run through and extend to the blanking hole of diaphragm bottom, the top of backing plate and the right side fixed mounting who is located the right side backup pad have the dump bin, the inner diapire fixed mounting of dump bin has the blotter.
Preferably, the backing plate, the supporting plate and the transverse plate are all made of stainless steel, and the stamping box is made of high-carbon steel.
Preferably, the upper template is matched with the lower template, and the upper die cavity is matched with the lower die cavity.
Preferably, the cutter is made of nichrome, and the buffer pad is a spongy cushion.
A forming process of a large annular forging comprises the following steps:
1) taking one part of the metal rolled plate, unfolding the metal rolled plate, and cutting the metal rolled plate into a plate with a proper length by using cutting equipment to obtain a metal spare plate 1;
2) polishing burrs at the cut part of the metal spare plate 1 prepared in the step 1, pressing a heavy object to keep the metal spare plate flat and not curled to form a metal spare plate 2;
3) heating the metal backup plate 2 at 800 ℃, charging nitrogen into a heating environment for protection, taking out after heating for ten minutes, and then cooling to room temperature within half an hour to obtain a metal backup plate 3;
4) feeding a metal spare plate 3 into the equipment, opening a stamping oil top, driving an upper template to press the metal spare plate 3 downwards by the stamping oil top, continuously shaping the metal spare plate 3 in the right movement, opening a cutting push rod when the metal spare plate 3 moves below a cutter, controlling the cutter to cut off flash and skin generated in shaping of the metal spare plate 3 by the cutting push rod, and rolling and shaping the shaped metal spare plate 3 by using a roller press to obtain an annular forging piece 1;
5) heating the annular forging 1 to 900 ℃, filling nitrogen for protection in a heating environment, taking out after heating for ten minutes, and then cooling to room temperature within half an hour to obtain an annular forging 2;
6) and detecting whether the surface of the annular forging 2 has burrs and cracks, recovering if the surface is unqualified, and obtaining a large annular forging if the surface is qualified.
Preferably, the cooling in step 2 and step 5 is performed by water cooling.
Preferably, the temperature is measured by an infrared thermometer when the annular forging 1 and the metal spare plate 2 are heated, and the temperature error is controlled within five percent.
Compared with the prior art, the invention provides a large annular forging die and a forming process thereof, and the die has the following beneficial effects:
1. this large-scale annular forging mould and forming process thereof, through setting up the diaphragm, the blanking hole, dump bin and cushion, the user is when the user is the service equipment, send into this equipment with metal backup plate 3 in, open the punching press oil top, the punching press oil top drives cope match-plate pattern and pushes down metal backup plate 3, metal backup plate 3 constantly is moulded in moving on the right side, it opens to cut the push rod when metal backup plate 3 moves the cutter below, cut the overlap that the push rod control cutter cut off produced in the moulding of metal backup plate 3 and link the skin, these wastes material drop in the dump bin through the blanking hole when demolding, the forging can not drop because length is great, so, in the waste material forging can not sneak into during demolding, the forging can not be scraped flower, user's vexation has been removed from, user's use has been made things convenient for.
2. The large annular forging piece forging die and the forming process thereof are characterized in that a metal coiled plate is unfolded, the metal coiled plate is cut into a plate with a proper length by using cutting equipment, the plate is a metal spare plate 1, burrs at the cut part of the metal spare plate 1 prepared in the step 1 are polished, a heavy object is pressed to keep the plate smooth and not curled, the metal spare plate 2 is a metal spare plate 2, the metal spare plate 2 is heated, the heating temperature is 800 ℃, the heating environment is filled with nitrogen for protection, the plate is taken out after being heated for ten minutes, then the plate is cooled to the room temperature within half an hour, the metal spare plate 3 is a metal spare plate 3, a punching oil top is sent into the equipment, the punching oil top drives an upper template to press the metal spare plate 3 downwards, the metal spare plate 3 is shaped in the right moving process, a push rod is cut off and opened when the metal spare plate 3 moves below a cutter, the push rod controls the cutter to cut off flash connecting skin generated in the shaping of the metal spare plate, the molded metal spare plate 3 is rolled and molded by using a roller press to obtain an annular forging 1, the annular forging 1 is heated to 900 ℃, the heating environment is filled with nitrogen for protection, the annular forging 1 is taken out after being heated for ten minutes, then the annular forging 2 is cooled to room temperature within half an hour, the forging structure is stable by heating for many times, the internal stress of the forging is eliminated, the forging cannot deform in use, and the use of a user is further facilitated.
Drawings
FIG. 1 is a schematic structural view of a large annular forging die provided by the invention;
fig. 2 is an enlarged schematic view of a structure at a position A of the large annular forging die provided by the invention.
In the figure: 1. a base plate; 2. a support plate; 3. a transverse plate; 4. punching a box; 5. stamping an oil top; 6. an extension rod; 7. mounting a template; 8. feeding a die cavity; 9. an upper vent hole; 10. a lower template; 11. a lower die cavity; 12. a lower vent hole; 13. cutting off the push rod; 14. mounting a plate; 15. cutting; 16. a blanking hole; 17. a waste bin; 18. a cushion pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 and 2 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: a large-scale annular forging die comprises a base plate 1, wherein two support plates 2 are fixedly mounted at the top of the base plate 1, the tops of the two support plates 2 are fixedly connected with a transverse plate 3, a stamping box 4 is fixedly mounted at the top of the transverse plate 3, a stamping oil top 5 is fixedly mounted at the inner top wall of the stamping box 4, an extension rod 6 is fixedly mounted at the output end of the stamping oil top 5, an upper template 7 is fixedly mounted at the bottom of the extension rod 6, five upper mold grooves 8 are formed in the bottom of the upper template 7, an upper vent hole 9 communicated with the upper mold groove 8 is formed in the top of the upper template 7, a lower template 10 is fixedly mounted at the inner bottom wall of the stamping box 4, five lower mold grooves 11 are formed in the top of the lower template 10, a lower vent hole 12 communicated with the lower mold grooves 11 is formed in one end of the bottom of the lower template 10, a cut-off push rod 13 is fixedly mounted at the inner, cut the output fixed mounting of push rod 13 and have mounting panel 14, the bottom fixed mounting of mounting panel 14 has cutter 15, the top of diaphragm 3 and the right side that is located stamping box 4 are seted up one end and run through and extend to the blanking hole 16 of diaphragm 3 bottom, the top of backing plate 1 and the right side fixed mounting that is located right side backup pad 2 have dump bin 17, the inner diapire fixed mounting of dump bin 17 has blotter 18, backing plate 1, backup pad 2 and diaphragm 3 are the stainless steel, stamping box 4 is the high carbon steel, cope match-plate pattern 7 and lower bolster 10 phase-match, cope match-plate pattern 8 and lower die slot 11 phase-match, cutter 15 is nichrome, blotter 18 is the foam-rubber cushion.
A forming process of a large annular forging comprises the following steps:
1) taking one part of the metal rolled plate, unfolding the metal rolled plate, and cutting the metal rolled plate into a plate with a proper length by using cutting equipment to obtain a metal spare plate 1;
2) polishing burrs at the cut part of the metal spare plate 1 prepared in the step 1, pressing a heavy object to keep the metal spare plate flat and not curled to form a metal spare plate 2;
3) heating the metal backup plate 2 at 800 ℃, charging nitrogen into a heating environment for protection, taking out after heating for ten minutes, and then cooling to room temperature within half an hour to obtain a metal backup plate 3;
4) feeding a metal spare plate 3 into the equipment, opening a stamping oil top 5, driving an upper template 7 to press the metal spare plate 3 downwards by the stamping oil top 5, continuously shaping the metal spare plate 3 in the right movement, opening a cutting push rod 13 when the metal spare plate 3 moves below a cutter 15, controlling the cutter 15 by the cutting push rod 13 to cut off flash and continuous skin generated in the shaping of the metal spare plate 3, and rolling and shaping the shaped metal spare plate 3 by using a roller press to obtain an annular forging 1;
5) heating the annular forging 1 to 900 ℃, filling nitrogen for protection in a heating environment, taking out after heating for ten minutes, and then cooling to room temperature within half an hour to obtain an annular forging 2;
6) detecting whether burrs and cracks exist on the surface of the annular forging piece 2, recovering the annular forging piece if the burrs and cracks exist on the surface of the annular forging piece 2, determining that the annular forging piece is qualified, cooling the annular forging piece in the step 2 and the step 5, measuring the temperature by using an infrared thermometer when the annular forging piece 1 and the metal spare plate 2 are heated, and controlling the temperature error within five percent.
Example two: a large-scale annular forging die comprises a base plate 1, wherein two support plates 2 are fixedly mounted at the top of the base plate 1, the tops of the two support plates 2 are fixedly connected with a transverse plate 3, a stamping box 4 is fixedly mounted at the top of the transverse plate 3, a stamping oil top 5 is fixedly mounted at the inner top wall of the stamping box 4, an extension rod 6 is fixedly mounted at the output end of the stamping oil top 5, an upper template 7 is fixedly mounted at the bottom of the extension rod 6, five upper mold grooves 8 are formed in the bottom of the upper template 7, an upper vent hole 9 communicated with the upper mold groove 8 is formed in the top of the upper template 7, a lower template 10 is fixedly mounted at the inner bottom wall of the stamping box 4, five lower mold grooves 11 are formed in the top of the lower template 10, a lower vent hole 12 communicated with the lower mold grooves 11 is formed in one end of the bottom of the lower template 10, a cut-off push rod 13 is fixedly mounted at the inner, cut the output fixed mounting of push rod 13 and have mounting panel 14, the bottom fixed mounting of mounting panel 14 has cutter 15, the top of diaphragm 3 and the right side that is located stamping box 4 are seted up one end and run through and extend to the blanking hole 16 of diaphragm 3 bottom, the top of backing plate 1 and the right side fixed mounting that is located right side backup pad 2 have dump bin 17, the inner diapire fixed mounting of dump bin 17 has blotter 18, backing plate 1, backup pad 2 and diaphragm 3 are the stainless steel, stamping box 4 is the high carbon steel, cope match-plate pattern 7 and lower bolster 10 phase-match, cope match-plate pattern 8 and lower die slot 11 phase-match, cutter 15 is nichrome, blotter 18 is the foam-rubber cushion.
A forming process of a large annular forging comprises the following steps:
1) taking one part of the metal rolled plate, unfolding the metal rolled plate, and cutting the metal rolled plate into a plate with a proper length by using cutting equipment to obtain a metal spare plate 1;
2) polishing burrs at the cut part of the metal spare plate 1 prepared in the step 1, pressing a heavy object to keep the metal spare plate flat and not curled to form a metal spare plate 2;
3) heating the metal backup plate 2 at 800 ℃, charging nitrogen into a heating environment for protection, taking out after heating for ten minutes, and then cooling to room temperature within half an hour to obtain a metal backup plate 3;
4) feeding a metal spare plate 3 into the equipment, opening a stamping oil top 5, driving an upper template 7 to press the metal spare plate 3 downwards by the stamping oil top 5, continuously shaping the metal spare plate 3 in the right movement, opening a cutting push rod 13 when the metal spare plate 3 moves below a cutter 15, controlling the cutter 15 by the cutting push rod 13 to cut off flash and continuous skin generated in the shaping of the metal spare plate 3, and rolling and shaping the shaped metal spare plate 3 by using a roller press to obtain an annular forging 1;
5) heating the annular forging 1 to 900 ℃, filling nitrogen for protection in a heating environment, taking out after heating for ten minutes, and then cooling to room temperature within half an hour to obtain an annular forging 2;
6) detecting whether burrs and cracks exist on the surface of the annular forging piece 2, recovering the annular forging piece if the burrs and cracks exist on the surface of the annular forging piece 2, determining that the annular forging piece is qualified, cooling the annular forging piece in the step 2 and the step 5, measuring the temperature by using an infrared thermometer when the annular forging piece 1 and the metal spare plate 2 are heated, and controlling the temperature error within five percent.
Example three: a large-scale annular forging die comprises a base plate 1, wherein two support plates 2 are fixedly mounted at the top of the base plate 1, the tops of the two support plates 2 are fixedly connected with a transverse plate 3, a stamping box 4 is fixedly mounted at the top of the transverse plate 3, a stamping oil top 5 is fixedly mounted at the inner top wall of the stamping box 4, an extension rod 6 is fixedly mounted at the output end of the stamping oil top 5, an upper template 7 is fixedly mounted at the bottom of the extension rod 6, five upper mold grooves 8 are formed in the bottom of the upper template 7, an upper vent hole 9 communicated with the upper mold groove 8 is formed in the top of the upper template 7, a lower template 10 is fixedly mounted at the inner bottom wall of the stamping box 4, five lower mold grooves 11 are formed in the top of the lower template 10, a lower vent hole 12 communicated with the lower mold grooves 11 is formed in one end of the bottom of the lower template 10, a cut-off push rod 13 is fixedly mounted at the inner, cut the output fixed mounting of push rod 13 and have mounting panel 14, the bottom fixed mounting of mounting panel 14 has cutter 15, the top of diaphragm 3 and the right side that is located stamping box 4 are seted up one end and run through and extend to the blanking hole 16 of diaphragm 3 bottom, the top of backing plate 1 and the right side fixed mounting that is located right side backup pad 2 have dump bin 17, the inner diapire fixed mounting of dump bin 17 has blotter 18, backing plate 1, backup pad 2 and diaphragm 3 are the stainless steel, stamping box 4 is the high carbon steel, cope match-plate pattern 7 and lower bolster 10 phase-match, cope match-plate pattern 8 and lower die slot 11 phase-match, cutter 15 is nichrome, blotter 18 is the foam-rubber cushion.
A forming process of a large annular forging comprises the following steps:
1) taking one part of the metal rolled plate, unfolding the metal rolled plate, and cutting the metal rolled plate into a plate with a proper length by using cutting equipment to obtain a metal spare plate 1;
2) polishing burrs at the cut part of the metal spare plate 1 prepared in the step 1, pressing a heavy object to keep the metal spare plate flat and not curled to form a metal spare plate 2;
3) heating the metal backup plate 2 at 800 ℃, charging nitrogen into a heating environment for protection, taking out after heating for ten minutes, and then cooling to room temperature within half an hour to obtain a metal backup plate 3;
4) feeding a metal spare plate 3 into the equipment, opening a stamping oil top 5, driving an upper template 7 to press the metal spare plate 3 downwards by the stamping oil top 5, continuously shaping the metal spare plate 3 in the right movement, opening a cutting push rod 13 when the metal spare plate 3 moves below a cutter 15, controlling the cutter 15 by the cutting push rod 13 to cut off flash and continuous skin generated in the shaping of the metal spare plate 3, and rolling and shaping the shaped metal spare plate 3 by using a roller press to obtain an annular forging 1;
5) heating the annular forging 1 to 900 ℃, filling nitrogen for protection in a heating environment, taking out after heating for ten minutes, and then cooling to room temperature within half an hour to obtain an annular forging 2;
6) detecting whether burrs and cracks exist on the surface of the annular forging piece 2, recovering the annular forging piece if the burrs and cracks exist on the surface of the annular forging piece 2, determining that the annular forging piece is qualified, cooling the annular forging piece in the step 2 and the step 5, measuring the temperature by using an infrared thermometer when the annular forging piece 1 and the metal spare plate 2 are heated, and controlling the temperature error within five percent.
In conclusion, the large annular forging piece forging die and the forming process thereof have the advantages that through the arrangement of the transverse plate 3, the blanking hole 16, the waste box 17 and the buffer pad 18, when a user uses the device, the metal spare plate 3 is fed into the device, the stamping oil top 5 is opened, the stamping oil top 5 drives the upper template 7 to press the metal spare plate 3 downwards, the metal spare plate 3 is continuously shaped in the right movement, the cut-off push rod 13 is opened when the metal spare plate 3 moves below the cut-off knife 15, the cut-off push rod 13 controls the cut-off knife 15 to cut off flash and connected skin generated in the shaping of the metal spare plate 3, the waste materials drop in the waste box 17 through the blanking hole 16 during the die stripping, the forging piece cannot drop due to large length, the waste materials cannot be mixed into the forging piece during the die stripping, the forging piece cannot be scratched, the trouble of the user is avoided, the use of the user is facilitated, one part of metal rolled plate is rolled out, cutting the metal spare plate 1 manufactured in the step 1 into a plate with a proper length by using cutting equipment, namely the metal spare plate 1, polishing burrs at the cutting part, pressing a heavy object to keep the metal spare plate flat and not curled, heating the metal spare plate 2 to be the metal spare plate 2 at 800 ℃, filling nitrogen into a heating environment for protection, heating for ten minutes, taking out, cooling to room temperature within half an hour to obtain the metal spare plate 3, feeding the metal spare plate 3 into the equipment, starting a stamping oil top 5, driving an upper template 7 to press the metal spare plate 3 downwards by the stamping oil top 5, continuously shaping the metal spare plate 3 in right movement, opening a push rod 13 when the metal spare plate 3 moves below a cutter 15, controlling the cutter 15 to cut off flash and connected skin generated in shaping the metal spare plate 3 by the cutting push rod 13, rolling and shaping the shaped metal spare plate 3 by using a roller press to obtain an annular forging 1, heating annular forging 1 to 900 ℃, the heating environment is filled nitrogen and is protected, take out after heating ten minutes, then at the room temperature of cooling in half an hour, for annular forging 2, heating makes forging stable in structure, eliminates the internal stress of forging many times, the forging can not appear warping in use, further made things convenient for user's use, it is difficult to clear up to have solved traditional mould and produced a large amount of wastes material in use, waste material fish tail forging when the demolding, the user is to this very vexed problem.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a large-scale annular forging forges mould, includes backing plate (1), its characterized in that: the stamping die comprises a base plate (1), wherein the base plate is provided with two supporting plates (2) at the top, the two supporting plates (2) are fixedly connected with a transverse plate (3), a stamping box (4) is fixedly arranged at the top of the transverse plate (3), a stamping oil top (5) is fixedly arranged on the inner top wall of the stamping box (4), an extension rod (6) is fixedly arranged at the output end of the stamping oil top (5), an upper die plate (7) is fixedly arranged at the bottom of the extension rod (6), five upper die grooves (8) are formed in the bottom of the upper die plate (7), an upper vent hole (9) with one end communicated with the upper die groove (8) is formed in the top of the upper die plate (7), a lower die plate (10) is fixedly arranged on the inner bottom wall of the stamping box (4), and five lower die grooves (11) are formed in the top of the lower die plate (10), lower exhaust hole (12) that one end and lower die cavity (11) are linked together are seted up to the bottom of lower bolster (10), the interior roof of punching press case (4) and the right side fixed mounting that is located punching press oil top (5) have cut push rod (13), the output fixed mounting that cuts push rod (13) has mounting panel (14), the bottom fixed mounting of mounting panel (14) has cutter (15), the top of diaphragm (3) just is located the right side of punching press case (4) and sets up blanking hole (16) that one end runs through and extend to diaphragm (3) bottom, the top of backing plate (1) just is located the right side fixed mounting of right side backup pad (2) has dump bin (17), the interior diapire fixed mounting of dump bin (17) has blotter (18).
2. The forging die for the large annular forging piece as claimed in claim 1, wherein: the base plate (1), the supporting plate (2) and the transverse plate (3) are all made of stainless steel, and the stamping box (4) is made of high-carbon steel.
3. The forging die for the large annular forging piece as claimed in claim 1, wherein: the upper template (7) is matched with the lower template (10), and the upper die cavity (8) is matched with the lower die cavity (11).
4. The forging die for the large annular forging piece as claimed in claim 1, wherein: the cutter (15) is made of nichrome, and the buffer pad (18) is a spongy cushion.
5. A forming process of a large annular forging is characterized by comprising the following steps:
1) taking one part of the metal rolled plate, unfolding the metal rolled plate, and cutting the metal rolled plate into a plate with a proper length by using cutting equipment to obtain a metal spare plate 1;
2) polishing burrs at the cut part of the metal spare plate 1 prepared in the step 1, pressing a heavy object to keep the metal spare plate flat and not curled to form a metal spare plate 2;
3) heating the metal backup plate 2 at 800 ℃, charging nitrogen into a heating environment for protection, taking out after heating for ten minutes, and then cooling to room temperature within half an hour to obtain a metal backup plate 3;
4) feeding a metal spare plate 3 into the equipment, opening a stamping oil top (5), driving an upper template (7) to press the metal spare plate 3 downwards by the stamping oil top (5), continuously shaping the metal spare plate 3 in the right movement, opening a cutting push rod (13) when the metal spare plate 3 moves below a cutter (15), controlling the cutter (15) by the cutting push rod (13) to cut off flash and continuous skin generated in the shaping of the metal spare plate 3, and rolling and shaping the shaped metal spare plate 3 by using a roller press to obtain an annular forging piece 1;
5) heating the annular forging 1 to 900 ℃, filling nitrogen for protection in a heating environment, taking out after heating for ten minutes, and then cooling to room temperature within half an hour to obtain an annular forging 2;
6) and detecting whether the surface of the annular forging 2 has burrs and cracks, recovering if the surface is unqualified, and obtaining a large annular forging if the surface is qualified.
6. The forming process of the large annular forging according to claim 5, wherein the forming process comprises the following steps: and (5) cooling in the steps 2 and 5, wherein the used cooling means is water cooling.
7. The forming process of the large annular forging according to claim 5, wherein the forming process comprises the following steps: and when the annular forging 1 and the metal spare plate 2 are heated, the temperature is measured by an infrared thermometer, and the temperature error is controlled within five percent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911332279.2A CN110947889A (en) | 2019-12-22 | 2019-12-22 | Large annular forging die and forming process thereof |
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| CN201911332279.2A CN110947889A (en) | 2019-12-22 | 2019-12-22 | Large annular forging die and forming process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114055172A (en) * | 2021-11-15 | 2022-02-18 | 深圳市富泰和精密制造股份有限公司 | Tappet body processing equipment and technology |
| CN115301868A (en) * | 2022-09-29 | 2022-11-08 | 山西天和盛膜技术有限公司 | Metal plate forging equipment and method |
-
2019
- 2019-12-22 CN CN201911332279.2A patent/CN110947889A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114055172A (en) * | 2021-11-15 | 2022-02-18 | 深圳市富泰和精密制造股份有限公司 | Tappet body processing equipment and technology |
| CN114055172B (en) * | 2021-11-15 | 2022-11-11 | 深圳市富泰和精密制造股份有限公司 | Tappet body processing equipment and technology |
| CN115301868A (en) * | 2022-09-29 | 2022-11-08 | 山西天和盛膜技术有限公司 | Metal plate forging equipment and method |
| CN115301868B (en) * | 2022-09-29 | 2022-12-23 | 山西天和盛膜技术有限公司 | Metal plate forging equipment and method |
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