CN116274821A - Die forging machining method for large stainless steel workpiece - Google Patents
Die forging machining method for large stainless steel workpiece Download PDFInfo
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- CN116274821A CN116274821A CN202310422512.6A CN202310422512A CN116274821A CN 116274821 A CN116274821 A CN 116274821A CN 202310422512 A CN202310422512 A CN 202310422512A CN 116274821 A CN116274821 A CN 116274821A
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- 238000005242 forging Methods 0.000 title claims abstract description 46
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 37
- 239000010935 stainless steel Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims description 17
- 238000003754 machining Methods 0.000 title claims description 3
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 7
- 230000006698 induction Effects 0.000 claims abstract description 4
- 238000010079 rubber tapping Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000007142 ring opening reaction Methods 0.000 claims description 10
- 238000005422 blasting Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 230000007547 defect Effects 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims 2
- 238000003672 processing method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention relates to the technical field of die forging processing, in particular to a die forging processing method of a large stainless steel workpiece, which comprises the following steps of: the sawing machine ensures that the blanking size phi 160x550mm; transferring the material after blanking to a 750kw medium-frequency induction heating furnace for heating, ensuring the temperature of the workpiece to 1150 ℃ and 20 ℃, and measuring and recording by using an infrared thermometer; pre-forging the heated blank on a 20-ton die forging hammer, placing the blank at a die flattening position, and tapping the blank to remove oxide skin; the beneficial effects are as follows: according to the die forging processing method of the large-sized stainless steel workpiece, disclosed by the invention, the traditional female die is optimized, the cooling mechanism is additionally arranged on the outer side of the female die to cool the stainless steel workpiece turned into the female die, the driving assembly is configured to drive the knocking assembly to move, and when the stainless steel workpiece is taken out from the female die, scraps adhered to the inner wall of the female die are knocked and vibrated.
Description
Technical Field
The invention relates to the technical field of die forging processing, in particular to a die forging processing method of a large-sized stainless steel workpiece.
Background
Stainless steel workpieces are commonly used for fastening more expensive machine parts because of the characteristics of beautiful appearance, durability, strong corrosion resistance and the like. With the advancement of society, higher demands are also being put on stainless steel standard parts.
In the prior art, some stainless steel workpieces are manufactured by adopting die forging processing, and the die forging processing is a forging method for obtaining a forging by deforming a blank by using a die. Swaging is primarily used to reduce or increase the diameter of tubing or bar stock, particularly to produce parts having a composite shape.
However, after die forging processing, when the stainless steel workpiece is put into the female die, as the periphery of the stainless steel workpiece is wrapped by the female die, heat dissipation is affected, namely the polished stainless steel workpiece is required to be cooled specially, polishing fragments of the stainless steel workpiece are adhered to the surface of the female die and are not convenient to shake off, and thus the next stainless steel workpiece is affected to be put into the female die.
Disclosure of Invention
The invention aims to provide a die forging processing method of a large stainless steel workpiece, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a die forging method of a large stainless steel workpiece, the die forging method comprising the steps of:
the sawing machine ensures that the blanking size phi 160x550mm;
transferring the material after blanking to a 750kw medium-frequency induction heating furnace for heating, ensuring the temperature of the workpiece to 1150 ℃ and 20 ℃, and measuring and recording by using an infrared thermometer;
pre-forging the heated blank on a 20-ton die forging hammer, placing the blank at a die flattening position, and tapping the blank to remove oxide skin;
turning over the flattened blank by 90 degrees on a 20-ton die forging hammer, putting the blank into a final forging cavity, then firstly taking out a first hammer to position the blank, then spraying graphite emulsion, and finally forging the hammer until the die is full;
putting the forged product into a female die on a 1600-ton friction press to ensure proper front, back, left and right positions and then trimming;
inspecting the surface of the forging, if the defect with the depth exceeding 3mm exists, performing scrapping treatment, and polishing the position where the folding occurs and the oxidation pit with the depth being lower than 3mm by using an angle grinder;
the technological requirements are that cold materials are charged into a furnace, quenching temperature is 1080 ℃, heat preservation time is 3-4 hours, water is quenched in a cooling mode, hardness is detected completely after heat treatment, the bottom surface of a workpiece is leveled, 2 hardness measuring points are evenly taken at the 57-dimension position of the upper plane of the workpiece, a corner grinder grinds the measuring points, luminosity is larger than 1.6, and the average hardness value of 3 points is taken as an actual value by a Lishi hardness tester every measuring point, and records are made;
vertically placing 15 pieces of the workpieces in each batch into a shot blasting machine to throw frames, and blasting surface heat treatment oxide skin and redundant flash burrs until the surfaces of the workpieces are silver gray;
ultrasonic hundred flaw detection meets the requirements of NB/T47013.3-2015 second-level nondestructive detection of pressure-bearing equipment;
the size of the full-inspection blank meets the drawing requirement.
Preferably, the female die comprises a female die body, a cooling mechanism is sleeved outside the female die body, the surface of the cooling mechanism is movably connected with a knocking component, a driving component is arranged on the surface of the female die body, and the driving component drives the knocking component to move.
Preferably, the cooling mechanism comprises a surrounding frame, a water inlet pipe, a water outlet pipe, a sealing plate and a reserved groove, wherein the surrounding frame is of a frame body structure with an inner ring opening in a convex shape, the inner ring opening at one end of the surrounding frame is fixed on the outer wall of the female die body, the height of the surrounding frame is smaller than that of the female die body, the water inlet pipe and the water outlet pipe penetrate through the side plates of the surrounding frame, and the water inlet pipe and the water outlet pipe are symmetrically distributed about the surrounding frame.
Preferably, the shrouding is annular platelike structure, and the shrouding is fixed at the top surface of enclosing the frame, and the inner ring mouth of shrouding is fixed on the outer wall of die body, and a plurality of breach have been seted up to the outer wall of die body, and the breach is circular arc groove, and the height of breach is less than the height of enclosing the frame.
Preferably, the knocking assembly comprises a notch, a traction block, an elastic rubber sealing piece, a traction plate, a knocking block, a perforation and a limiting rod, wherein the notch is formed in the surface of the sealing plate, two groups of notches are formed in the notch, the two groups of notches are symmetrically distributed with respect to the inner ring opening of the sealing plate, a plurality of notches are formed in each group of notches and distributed along the long edge of the inner ring opening of the sealing plate, the traction block is slidably connected in the notch, the elastic rubber sealing piece is of a concave platy structure, and the elastic rubber sealing piece is fixed between the traction block and the notch.
Preferably, the traction plate is fixed on the bottom surface of the traction block, a plurality of knocking blocks are fixed on the surface of the traction plate, the through holes are formed in the surface of the traction plate, the limiting rod penetrates through the through holes, two ends of the limiting rod are respectively fixed on the surfaces of the female die body and the enclosure frame, and an elastic traction assembly is arranged at the top end of the traction block.
Preferably, the elastic traction assembly comprises a connecting sheet, a tensioning plate, a baffle sheet, a rubber clamping block, a mounting port and an elastic supporting frame, wherein the connecting sheet is fixed on the top surface of the traction block, the tensioning plate is a right-angle trapezoid plate, the inclined surface of the tensioning plate faces towards the female die body, and the tensioning plate is fixed on the top ends of the plurality of groups of connecting sheets.
Preferably, the rubber clamp blocks are fixed on the surface of the tension plate, the rubber clamp blocks are provided with two groups, the two groups of rubber clamp blocks are symmetrically distributed about the center of the tension plate, the mounting opening is an elliptical opening, the mounting opening is formed in the surface of the rubber clamp blocks, the elastic supporting frame is an elliptical ring, the elastic supporting frame is fixed on the surface of the mounting opening, one end of the rubber clamp blocks is fixed on the surface of the baffle, and the baffle is fixed on the surface of the sealing plate.
Preferably, the drive assembly includes push pedal, mounting bracket and electric putter, and the push pedal is right trapezoid board, and the inclined plane orientation of push pedal is stretched out the board, and the inclined plane of push pedal is parallel with the inclined plane of stretch out the board, and the mounting bracket is fixed on the outer wall of die body, and electric putter installs in the mounting bracket, and electric putter's piston rod is fixed at the top surface of push pedal.
Compared with the prior art, the invention has the beneficial effects that:
according to the die forging processing method of the large-sized stainless steel workpiece, disclosed by the invention, the traditional female die is optimized, the cooling mechanism is additionally arranged on the outer side of the female die to cool the stainless steel workpiece turned into the female die, the driving assembly is configured to drive the knocking assembly to move, and when the stainless steel workpiece is taken out from the female die, scraps adhered to the inner wall of the female die are knocked and vibrated.
Drawings
FIG. 1 is a schematic diagram of a die body structure according to the present invention;
FIG. 2 is an enlarged schematic view of the structure A in FIG. 1;
FIG. 3 is a schematic diagram showing a half-section of a die body structure according to the present invention;
FIG. 4 is a schematic view of a seal plate according to the present invention;
FIG. 5 is a schematic view of the rubber clamping block structure of the invention;
FIG. 6 is a schematic view of a push plate structure according to the present invention;
fig. 7 is a schematic view of the traction plate according to the present invention.
In the figure: the female die body 1, the enclosure frame 2, the water inlet pipe 3, the water outlet pipe 4, the sealing plate 5, the reserved groove 6, the notch 7, the traction block 8, the elastic rubber sealing piece 9, the traction plate 10, the knocking block 11, the perforation 12, the limiting rod 13, the connecting piece 14, the tensioning plate 15, the push plate 16, the mounting bracket 17, the electric push rod 18, the baffle 19, the rubber clamping block 20, the mounting opening 21 and the elastic supporting frame 22.
Description of the embodiments
In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.
Examples
The invention provides a technical scheme that: a die forging method of a large stainless steel workpiece, the die forging method comprising the steps of:
the sawing machine ensures that the blanking size phi 160x550mm;
transferring the material after blanking to a 750kw medium-frequency induction heating furnace for heating, ensuring the temperature of the workpiece to 1150 ℃ and 20 ℃, and measuring and recording by using an infrared thermometer;
pre-forging the heated blank on a 20-ton die forging hammer, placing the blank at a die flattening position, and tapping the blank to remove oxide skin;
turning over the flattened blank by 90 degrees on a 20-ton die forging hammer, putting the blank into a final forging cavity, then firstly taking out a first hammer to position the blank, then spraying graphite emulsion, and finally forging the hammer until the die is full;
putting the forged product into a female die on a 1600-ton friction press to ensure proper front, back, left and right positions and then trimming;
inspecting the surface of the forging, if the defect with the depth exceeding 3mm exists, performing scrapping treatment, and polishing the position where the folding occurs and the oxidation pit with the depth being lower than 3mm by using an angle grinder;
the technological requirements are that cold materials are charged into a furnace, quenching temperature is 1080 ℃, heat preservation time is 3-4 hours, water is quenched in a cooling mode, hardness is detected completely after heat treatment, the bottom surface of a workpiece is leveled, 2 hardness measuring points are evenly taken at the 57-dimension position of the upper plane of the workpiece, a corner grinder grinds the measuring points, luminosity is larger than 1.6, and the average hardness value of 3 points is taken as an actual value by a Lishi hardness tester every measuring point, and records are made;
vertically placing 15 pieces of the workpieces in each batch into a shot blasting machine to throw frames, and blasting surface heat treatment oxide skin and redundant flash burrs until the surfaces of the workpieces are silver gray;
ultrasonic hundred flaw detection meets the requirements of NB/T47013.3-2015 second-level nondestructive detection of pressure-bearing equipment;
the size of the full-inspection blank meets the drawing requirement.
Examples
Referring to fig. 1 and 3, on the basis of the first embodiment, in order to achieve cooling of a stainless steel workpiece placed in a female die, the female die comprises a female die body 1, a cooling mechanism is sleeved outside the female die body 1 and comprises a protection frame 2, a water inlet pipe 3, a water outlet pipe 4, a sealing plate 5 and a reserved groove 6, the protection frame 2 is of a frame body structure with an inner ring opening in a convex shape, the inner ring opening at one end of the protection frame 2 is fixed on the outer wall of the female die body 1, the height of the protection frame 2 is smaller than that of the female die body 1, the water inlet pipe 3 and the water outlet pipe 4 penetrate through side plates of the protection frame 2, the water inlet pipe 3 and the water outlet pipe 4 are symmetrically distributed with respect to the protection frame 2, the sealing plate 5 is of an annular plate-shaped structure, the sealing plate 5 is fixed on the top surface of the protection frame 2, the inner ring opening of the sealing plate 5 is fixed on the outer wall of the female die body 1, a plurality of notches 7 are formed in the outer wall of the female die body 1, the notches 7 are arc-shaped grooves, and the heights of the notches 7 are smaller than that of the protection frame 2.
Examples
Referring to fig. 2, 4 to 7, on the basis of the second embodiment, in order to shake off the chips adhered to the inner wall of the die body 1, a knocking component is movably connected to the surface of the cooling mechanism, a driving component is arranged on the surface of the die body 1, the driving component drives the knocking component to move, the knocking component comprises a notch 7, a traction block 8, an elastic rubber sealing piece 9, a traction plate 10, a knocking block 11, a perforation 12 and a limiting rod 13, the notch 7 is arranged on the surface of the sealing plate 5, the notch 7 is provided with two groups, the two groups of notches 7 are symmetrically distributed about the inner ring opening of the sealing plate 5, each group of notches 7 is provided with a plurality of notches 7 which are distributed along the long edge of the inner ring opening of the sealing plate 5, the traction block 8 is slidably connected in the notch 7, the elastic rubber sealing piece 9 is in a concave plate-shaped structure, the elastic rubber sealing piece 9 is fixed between the traction block 8 and the notch 7, the traction plate 10 is fixed on the bottom surface of the traction block 8, the surface of the traction plate 10 is fixedly provided with a plurality of knocking blocks 11, a perforation 12 is formed on the surface of the traction plate 10, a limit rod 13 penetrates through the perforation 12, two ends of the limit rod 13 are respectively fixed on the surfaces of the die body 1 and the enclosure frame 2, the top end of the traction block 8 is provided with an elastic traction component, the elastic traction component comprises a connecting sheet 14, a tensioning plate 15, a baffle 19, a rubber clamping block 20, a mounting opening 21 and an elastic supporting frame 22, the connecting sheet 14 is fixed on the top surface of the traction block 8, the tensioning plate 15 is a right-angle trapezoid plate, the inclined surface of the tensioning plate 15 faces the die body 1, the tensioning plate 15 is fixed on the top ends of a plurality of groups of connecting sheets 14, the rubber clamping blocks 20 are fixed on the surface of the tensioning plate 15, the rubber clamping blocks 20 are provided with two groups, the two groups of rubber clamping blocks 20 are symmetrically distributed about the center of the tensioning plate 15, the mounting opening 21 is an oval opening, the mounting opening 21 is formed on the surface of the rubber clamping block 20, the elastic support frame 22 is an oval ring, the elastic support frame 22 is fixed on the surface of the mounting opening 21, one end of the rubber clamping block 20 is fixed on the surface of the baffle 19, the baffle 19 is fixed on the surface of the sealing plate 5, the driving assembly comprises a push plate 16, a mounting frame 17 and an electric push rod 18, the push plate 16 is a right-angle trapezoid plate, the inclined plane of the push plate 16 faces the tensioning plate 15, the inclined plane of the push plate 16 is parallel to the inclined plane of the tensioning plate 15, the mounting frame 17 is fixed on the outer wall of the female die body 1, the electric push rod 18 is mounted in the mounting frame 17, and a piston rod of the electric push rod 18 is fixed on the top surface of the push plate 16.
When the stainless steel die is in actual use, after a stainless steel workpiece is placed into the die body 1, the water inlet pipe 3 and the water outlet pipe 4 are matched between the surrounding frame 2 and the die body 1 to form a circulating water source, the circulating water source takes away heat of the stainless steel workpiece absorbed by the die body 1, cooling of the stainless steel workpiece is achieved, after the stainless steel workpiece is formed inside the die body 1, the stainless steel workpiece is taken out, a piston rod of the electric push rod 18 is telescopically regulated, the push plate 16 is driven to reciprocate, the push plate 16 moves downwards in the process, the push plate 15 is pushed and stretched, the stretching plate 15 simultaneously drives a plurality of groups of connecting pieces 14 to move, the traction block 8 at the bottom of the connecting pieces 14 slides along the notch 7 and extrudes the elastic rubber sealing sheet 9, at the moment, the stretching plate 15 extrudes the rubber clamping blocks 20 and the elastic supporting frame 22, after the push plate 16 moves upwards, the rubber clamping blocks 20 and the elastic supporting frame 22 rebound to push the stretching plate 15 to reset, the stretching plate 15 drives the stretching plate 10 through the connecting pieces 14 and the traction block 8 until the knocking block 11 is on the outer wall of the die body 1, and the knocking block 11 repeatedly knocks chips adhered to the inner wall of the die body 1.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A die forging method for a large-sized stainless steel workpiece, characterized by comprising the steps of:
the sawing machine ensures that the blanking size phi 160x550mm;
transferring the material after blanking to a 750kw medium-frequency induction heating furnace for heating, ensuring the temperature of the workpiece to 1150 ℃ and 20 ℃, and measuring and recording by using an infrared thermometer;
pre-forging the heated blank on a 20-ton die forging hammer, placing the blank at a die flattening position, and tapping the blank to remove oxide skin;
turning over the flattened blank by 90 degrees on a 20-ton die forging hammer, putting the blank into a final forging cavity, then firstly taking out a first hammer to position the blank, then spraying graphite emulsion, and finally forging the hammer until the die is full;
putting the forged product into a female die on a 1600-ton friction press to ensure proper front, back, left and right positions and then trimming;
inspecting the surface of the forging, if the defect with the depth exceeding 3mm exists, performing scrapping treatment, and polishing the position where the folding occurs and the oxidation pit with the depth being lower than 3mm by using an angle grinder;
the technological requirements are that cold materials are charged into a furnace, quenching temperature is 1080 ℃, heat preservation time is 3-4 hours, water is quenched in a cooling mode, hardness is detected completely after heat treatment, the bottom surface of a workpiece is leveled, 2 hardness measuring points are evenly taken at the 57-dimension position of the upper plane of the workpiece, a corner grinder grinds the measuring points, luminosity is larger than 1.6, and the average hardness value of 3 points is taken as an actual value by a Lishi hardness tester every measuring point, and records are made;
vertically placing 15 pieces of the workpieces in each batch into a shot blasting machine to throw frames, and blasting surface heat treatment oxide skin and redundant flash burrs until the surfaces of the workpieces are silver gray;
ultrasonic hundred flaw detection meets the requirements of NB/T47013.3-2015 second-level nondestructive detection of pressure-bearing equipment;
the size of the full-inspection blank meets the drawing requirement.
2. The method for die forging a large-sized stainless steel workpiece according to claim 1, wherein: the female die comprises a female die body (1), a cooling mechanism is sleeved outside the female die body (1), a knocking component is movably connected to the surface of the cooling mechanism, a driving component is arranged on the surface of the female die body (1), and the driving component drives the knocking component to move.
3. The method for die forging a large-sized stainless steel workpiece according to claim 2, wherein: the cooling mechanism comprises a surrounding frame (2), a water inlet pipe (3), a water outlet pipe (4), a sealing plate (5) and a reserved groove (6), wherein the surrounding frame (2) is of a frame body structure with an inner annular opening in a convex shape, the inner annular opening at one end of the surrounding frame (2) is fixed on the outer wall of a female die body (1), the height of the surrounding frame (2) is smaller than that of the female die body (1), the water inlet pipe (3) and the water outlet pipe (4) penetrate through the side plates of the surrounding frame (2), and the water inlet pipe (3) and the water outlet pipe (4) are symmetrically distributed with respect to the surrounding frame (2).
4. A method of swage machining a large stainless steel workpiece according to claim 3, wherein: the sealing plate (5) is of an annular plate-shaped structure, the sealing plate (5) is fixed on the top surface of the enclosure frame (2), an inner ring opening of the sealing plate (5) is fixed on the outer wall of the female die body (1), a plurality of notches (7) are formed in the outer wall of the female die body (1), the notches (7) are arc-shaped grooves, and the height of the notches (7) is smaller than that of the enclosure frame (2).
5. The method for die forging a large-sized stainless steel workpiece according to claim 4, wherein: the utility model provides a strike subassembly includes breach (7), traction block (8), elasticity rubber seal piece (9), traction plate (10), strike piece (11), perforation (12) and gag lever post (13), the surface at shrouding (5) is seted up in breach (7), and breach (7) are equipped with two sets ofly, two sets of breach (7) are about the inner ring mouth symmetric distribution of shrouding (5), every group breach (7) are equipped with a plurality ofly, a plurality of breach (7) are arranged along the inner ring mouth long limit of shrouding (5) and are distributed, traction block (8) sliding connection is in breach (7), elasticity rubber seal piece (9) are "concave" font platelike structure, elasticity rubber seal piece (9) are fixed between traction block (8) and breach (7).
6. The method for die forging a large-sized stainless steel workpiece according to claim 5, wherein: the traction plate (10) is fixed on the bottom surface of the traction block (8), a plurality of knocking blocks (11) are fixed on the surface of the traction plate (10), the through holes (12) are formed in the surface of the traction plate (10), the limiting rods (13) penetrate through the through holes (12), two ends of the limiting rods (13) are respectively fixed on the surfaces of the female die body (1) and the enclosure frame (2), and elastic traction components are arranged at the top ends of the traction blocks (8).
7. The method for die forging a large-sized stainless steel workpiece according to claim 6, wherein: the elastic traction assembly comprises a connecting sheet (14), a tension plate (15), a baffle (19), a rubber clamping block (20), a mounting opening (21) and an elastic supporting frame (22), wherein the connecting sheet (14) is fixed on the top surface of the traction block (8), the tension plate (15) is a right-angle trapezoid plate, the inclined surface of the tension plate (15) faces towards the female die body (1), and the tension plate (15) is fixed on the top ends of the connecting sheets (14).
8. The method for die forging a large-sized stainless steel workpiece according to claim 7, wherein: the utility model discloses a sealing plate, including opening pulling plate (15), rubber clamp splice (20), mounting hole (21), elastic support frame (22), baffle (19) and sealing plate (5), rubber clamp splice (20) are fixed on the surface of opening pulling plate (15), and rubber clamp splice (20) are equipped with two sets of, and two sets of rubber clamp splice (20) are about opening pulling plate (15) central symmetry distribution, and mounting hole (21) are oval mouth, and the surface at rubber clamp splice (20) is seted up in mounting hole (21), and elastic support frame (22) are oval ring, and elastic support frame (22) are fixed on the surface of mounting hole (21), and the surface at baffle (19) is fixed to the one end of rubber clamp splice (20).
9. The method for die forging a large-sized stainless steel workpiece according to claim 8, wherein: the driving assembly comprises a push plate (16), a mounting frame (17) and an electric push rod (18), wherein the push plate (16) is a right-angle trapezoid plate, the inclined plane of the push plate (16) faces towards the stretching plate (15), the inclined plane of the push plate (16) is parallel to the inclined plane of the stretching plate (15), the mounting frame (17) is fixed on the outer wall of the female die body (1), the electric push rod (18) is mounted in the mounting frame (17), and a piston rod of the electric push rod (18) is fixed on the top surface of the push plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310422512.6A CN116274821A (en) | 2023-04-19 | 2023-04-19 | Die forging machining method for large stainless steel workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310422512.6A CN116274821A (en) | 2023-04-19 | 2023-04-19 | Die forging machining method for large stainless steel workpiece |
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| Publication Number | Publication Date |
|---|---|
| CN116274821A true CN116274821A (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310422512.6A Pending CN116274821A (en) | 2023-04-19 | 2023-04-19 | Die forging machining method for large stainless steel workpiece |
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| CN (1) | CN116274821A (en) |
Cited By (1)
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| CN117086246A (en) * | 2023-08-07 | 2023-11-21 | 无锡派鑫航空科技有限公司 | Manufacturing method for die forging of centrifuge drum body in food industry |
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| CN117086246A (en) * | 2023-08-07 | 2023-11-21 | 无锡派鑫航空科技有限公司 | Manufacturing method for die forging of centrifuge drum body in food industry |
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