CN212264420U - Large-size in-pile nickel-base alloy forging stock combined forging anvil - Google Patents
Large-size in-pile nickel-base alloy forging stock combined forging anvil Download PDFInfo
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- CN212264420U CN212264420U CN202020535765.6U CN202020535765U CN212264420U CN 212264420 U CN212264420 U CN 212264420U CN 202020535765 U CN202020535765 U CN 202020535765U CN 212264420 U CN212264420 U CN 212264420U
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Abstract
The utility model discloses a nickel base alloy forging stock combination forging stock in big specification is piled relates to and forges technical field. The utility model discloses an go up forging stock mechanism and lower forging stock mechanism, go up the setting of forging stock mechanism in the top of ring shape forging stock, lower forging stock mechanism sets up in the below of ring shape forging stock, and goes up forging stock mechanism and all sets up in the frame with lower forging stock mechanism, and the frame slides and sets up at the subaerial ditch inslot of steel, and the bottom of frame is provided with the removal subassembly, removes the subassembly and fixes on the bottom surface of slot, and ring shape forging stock is placed on the rotor. The utility model discloses a set up and change roller, removal subassembly and three frame for should make up the forging of hammering block and can adapt to the not forging of the big specification nuclear reactor internal nickel base alloy component of equidimension, and implement three point forging, the stability of whole forging structure is better, and through setting up the first hammering block of going up, the second goes up hammering block and the third and the forging of equidirectional, makes the mechanical properties of component better.
Description
Technical Field
The utility model belongs to the technical field of forge, especially relate to big specification is nickel base alloy forging stock combination forging stock in piling.
Background
A nuclear reactor is also called as a nuclear reactor or a reactor, and is a device capable of maintaining a controllable self-sustaining chain type nuclear fission reaction to realize the utilization of nuclear energy, the nuclear reactor can generate the self-sustaining chain type nuclear fission process under the condition of not needing to supplement a neutron source by reasonably arranging nuclear fuel, is the heart of a nuclear power station, releases a large amount of energy and also releases a large amount of neutrons during the nuclear fission, and has a plurality of purposes, but the nuclear reactor is summarized as the first one, namely, the second one, namely, the nuclear reactor utilizes the nuclear energy and the fission neutrons, and the nuclear energy is mainly used for power generation, but has wide application in other aspects, such as nuclear energy heat supply, nuclear power and the like, and a nickel-based alloy refers to a type of alloy with higher strength and certain comprehensive performances, such as oxidation and corrosion resistance and the like, at the high temperature of 650-1000 ℃, and is subdivided into a heat-resistant, The high-temperature alloy comprises the following components in percentage by weight according to different matrixes: iron-based superalloy, nickel-based superalloy and cobalt-based superalloy, wherein the nickel-based superalloy is referred to as nickel-based superalloy for short.
The nickel-based alloy in the nuclear reactor mainly comprises the following three grades: 600. 690 and 750, respectively used for manufacturing various supporting pieces in an island, a middle ring of a nuclear reactor internal member, a flow distribution skirt cylinder of the nuclear reactor internal member, a pump shell outer ring, a U-shaped pipe and the like, wherein the nickel-based alloy is a single austenite structure without solid phase change, so that the grain size of a forged piece can not be adjusted through subsequent performance heat treatment, the structure control in the forging process is particularly critical, the diameter of the nickel-based alloy member in the nuclear reactor is often more than ten meters, common forging equipment is difficult to forge, therefore, the huge forged piece is firstly forged into 8-9 sections according to a conventional manufacturing method, and then is spliced into a complete steel ring in a welding mode, obviously, a welding seam in the steel ring can become a short plate which seriously influences the performance of the forged piece, and the existing combined forging anvil is difficult to adapt to the forging of the nickel-based alloy member in the large-size nuclear reactor, and the forging mechanical property is not ideal, and the improvement of the prior art is needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a nickel base alloy forging stock combination forging stock in big specification is piled, through setting up the change roller, remove subassembly and three frame, make this combination forging stock can adapt to the forging of the interior nickel base alloy component of big specification nuclear reactor of equidimension not, and implement three point forging, the stability of whole forging structure is better, through setting up first anvil, anvil and third anvil on the second, the forging of equidirectional, make the mechanical properties of component better, the problem of current combination forging stock is difficult to adapt to the forging of the interior nickel base alloy component of big specification nuclear reactor has been solved.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model discloses a nickel base alloy forging stock combination forging stock in big specification heap, including last forging stock mechanism and lower forging stock mechanism, go up the forging stock mechanism and set up in the top of ring shape forging stock, lower forging stock mechanism sets up in the below of ring shape forging stock, and go up forging stock mechanism and lower forging stock mechanism and all set up in the frame, the frame slides and sets up in the subaerial slot of steel, and the bottom of frame is provided with the removal subassembly, the removal subassembly is fixed on the bottom surface of slot, ring shape forging stock is placed on the rotary drum, the rotary drum embedding sets up subaerial steel;
the upper forging anvil mechanism comprises a first forging hydraulic assembly, a second forging hydraulic assembly and a third forging hydraulic assembly, wherein the first forging hydraulic assembly, the second forging hydraulic assembly and the third forging hydraulic assembly are all fixed at the top of the rack, the upper forging anvil mechanism further comprises a first upper anvil, a second upper anvil and a third upper anvil, the first upper anvil is fixed at the movable end of the first forging hydraulic assembly, the second upper anvil is fixed at the movable end of the second forging hydraulic assembly, and the third upper anvil is fixed at the movable end of the third forging hydraulic assembly;
the lower forging anvil mechanism comprises a lower anvil, a lifting hydraulic assembly, a guide rod and a guide sleeve, wherein the lower anvil is fixed at the movable end of the lifting hydraulic assembly, the lifting hydraulic assembly is vertically fixed on the rack, the guide sleeve is embedded at the corner of the lower anvil, the guide rod is arranged in the guide sleeve in a sliding manner, and the bottom end of the guide rod is fixedly connected with the rack;
the moving assembly comprises a second motor, a screw rod, a second bearing seat and a nut seat, an output shaft of the second motor is fixedly connected with one end of the screw rod through a coupler, the other end of the screw rod is rotatably connected with the second bearing seat, the second motor and the second bearing seat are both fixed on the bottom surface of the groove, the nut seat is movably sleeved on the screw rod, the top of the nut seat is fixedly connected with the bottom of the rack, the moving assembly further comprises a sliding block and a guide rail, the sliding block is fixed on the side surface of the rack, the guide rail is fixed on the inner wall of the groove, and the sliding block is arranged on the guide rail in a sliding manner;
the rotating shaft at one end of the rotating roller is fixedly connected with an output shaft of the first motor through a coupler, the rotating shaft at the other end of the rotating roller is rotatably connected with the first bearing seat, and the first motor and the first bearing seat are fixed in the steel ground.
Furthermore, the number of the racks is three, and the three racks are distributed around the annular forging blank in a regular triangle shape.
Furthermore, the rotary roller is provided with a plurality of rotary rollers which are uniformly arranged below the annular forging blank along the circumference, and the top surface of each rotary roller protrudes on the steel ground.
Further, the grooves are arranged in a three-asterisk shape.
Furthermore, the first forging hydraulic assembly and the third forging hydraulic assembly are obliquely arranged and symmetrically distributed on two sides of the second forging hydraulic assembly, and the second forging hydraulic assembly is vertically arranged.
Furthermore, the number of the guide rods is four, and the four guide rods are uniformly arranged at four corners of the lower anvil in a rectangular array shape.
Furthermore, two sliding blocks are uniformly arranged on the two side surfaces of the rack one above the other.
The utility model discloses following beneficial effect has:
1. the utility model discloses a set up and change roller and three frame, make this combination forging stock can adapt to the forging of nickel base alloy component in the large specification nuclear reactor, and implement three point forging, the stability of whole forging structure is better, during forging, the ring shape forging stock of big specification is held up through three forging stock mechanism down, forge through last forging stock mechanism, after this section forges the completion, rotate simultaneously through a plurality of change roller and shift ring shape forging stock, remove supreme forging stock mechanism and lower forging stock mechanism department with the new position of not forging of ring shape forging stock, continue to forge, thereby the whole good forgings of ring shape forging stock with whole big specification.
2. The utility model discloses a set up anvil on first anvil, the second and the anvil on the third, the forging of equidirectional not makes ring shape forging blank center remain great three-dimensional compressive stress throughout, improves forging stress state for the mechanical properties of component is better.
3. The utility model discloses a set up the removal subassembly for this combination hammering block can adapt to the forging of nickel base alloy component in the nuclear reactor of different specifications, can freely adjust the position of frame through the removal subassembly, thereby makes the size of the regular triangle that three frame is constituteed adjustable, thereby can adapt to the forging of nickel base alloy component in the nuclear reactor of different specifications.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a top view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the rack of the present invention;
FIG. 3 is a schematic view of the driving structure of the roller of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. a frame; 2. a circular ring-shaped forging blank; 3. rotating the roller; 4. a trench; 5. a steel floor; 6. a moving assembly; 7. an upper forging anvil mechanism; 8. a lower forging anvil mechanism; 301. a first motor; 302. a first bearing housing; 601. a second motor; 602. a screw rod; 603. a second bearing housing; 604. a nut seat; 605. a slider; 606. a guide rail; 701. a first forging hydraulic assembly; 702. a second forging hydraulic assembly; 703. a third forging hydraulic assembly; 704. a first upper anvil; 705. a second upper anvil; 706. a third upper anvil; 801. a lower anvil; 802. a lifting hydraulic assembly; 803. a guide bar; 804. and (4) guiding a sleeve.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the utility model discloses a large-scale in-pile nickel-based alloy forging stock combined forging anvil, which comprises an upper forging anvil mechanism 7 and a lower forging anvil mechanism 8, wherein the upper forging anvil mechanism 7 is arranged above a circular ring-shaped forging stock 2, the lower forging anvil mechanism 8 is arranged below the circular ring-shaped forging stock 2, the upper forging anvil mechanism 7 and the lower forging anvil mechanism 8 are both arranged on a frame 1, the frame 1 is arranged in a groove 4 on a steel ground 5 in a sliding manner, a moving assembly 6 is arranged at the bottom of the frame 1, the moving assembly 6 is fixed on the bottom surface of the groove 4, the three frames 1 are arranged on the frame 1, the three frames 1 are distributed around the circular ring-shaped forging stock 2 in a regular triangle shape, three points are forged, the stability of the whole forging structure is better, the groove 4 is arranged in a three-star shape, the circular ring-shaped forging stock 2 is arranged on a rotary roller 3, the rotary roller 3 is, the rotary roller 3 is provided with a plurality of rotary rollers 3 which are uniformly arranged below the annular forging blank 2 along the circumference, and the top surface of the rotary roller 3 protrudes on the steel ground 5.
As shown in fig. 2, the upper anvil mechanism 7 includes a first forging hydraulic component 701, a second forging hydraulic component 702, and a third forging hydraulic component 703, the first forging hydraulic component 701, the second forging hydraulic component 702, and the third forging hydraulic component 703 are all fixed on the top of the machine frame 1, the first forging hydraulic component 701 and the third forging hydraulic component 703 are both disposed in an inclined manner and symmetrically distributed on both sides of the second forging hydraulic component 702, the second forging hydraulic component 702 is disposed vertically, the upper anvil mechanism 7 further includes a first upper anvil 704, a second upper anvil 705 and a third upper anvil 706, the first upper anvil 704 being fixed to the free end of the first forging hydraulic unit 701, the second upper anvil 705 being fixed to the free end of the second forging hydraulic unit 702, the third upper anvil 706 being fixed to the free end of the third forging hydraulic unit 703, the first upper anvil 704, the second upper anvil 705 and the third upper anvil 706 being shaped in accordance with the shape of the member in the nuclear reactor to be forged.
As shown in fig. 2, the lower anvil mechanism 8 includes a lower anvil 801, a lifting hydraulic assembly 802, guide rods 803 and a guide sleeve 804, the lower anvil 801 is fixed at a movable end of the lifting hydraulic assembly 802, the lifting hydraulic assembly 802 is vertically fixed on the machine frame 1, the guide sleeve 804 is embedded in a corner of the lower anvil 801, the guide rods 803 are slidably disposed in the guide sleeve 804, a bottom end of each guide rod 803 is fixedly connected to the machine frame 1, four guide rods 803 are provided, the four guide rods 803 are uniformly disposed at four corners of the lower anvil 801 in a rectangular array, and the guide rods 803 play a role in guiding and lifting stability of the lower anvil 801.
As shown in fig. 1-2, the moving assembly 6 includes a second motor 601, a lead screw 602, a second bearing seat 603 and a nut seat 604, an output shaft of the second motor 601 is fixedly connected to one end of the lead screw 602 through a coupling, the other end of the lead screw 602 is rotatably connected to the second bearing seat 603, the second motor 601 and the second bearing seat 603 are both fixed to the bottom surface of the groove 4, the nut seat 604 is movably sleeved on the lead screw 602, the top of the nut seat 604 is fixedly connected to the bottom of the rack 1, the moving assembly 6 further includes a slider 605 and a guide rail 606, the slider 605 is fixed to a side surface of the rack 1, the guide rail 606 is fixed to an inner wall of the groove 4, the slider 605 is slidably disposed on the guide rail 606, and two sliders 605 are uniformly disposed on two side surfaces.
As shown in fig. 3, a rotating shaft at one end of the rotary roller 3 is fixedly connected with an output shaft of a first motor 301 through a coupler, a rotating shaft at the other end of the rotary roller 3 is rotatably connected with a first bearing seat 302, the first motor 301 and the first bearing seat 302 are both fixed in the steel ground 5, the annular forging blank 2 is displaced by simultaneously rotating the rotary rollers 3, and a new unforged part of the annular forging blank 2 is moved to the upper forging anvil mechanism 7 and the lower forging anvil mechanism 8.
The forging process comprises the following steps:
s1: hoisting the annular forging blank 2 to the position above the rotary roller 3 by a crane, adjusting the position and putting down;
s2: then, the forging component on the rack 1 is moved to the annular forging blank 2 through the moving component 6, so that the upper forging anvil mechanism 7 and the lower forging anvil mechanism 8 are respectively moved to the upper side and the lower side of the annular forging blank 2, specifically, the second motor 601 is started, the second motor 601 drives the screw rod 602 to rotate, the screw rod 602 drives the nut seat 604 to move, and the nut seat 604 drives the rack 1 to move along the guide rail 606;
s3: after the position of the machine frame 1 is adjusted, the lifting hydraulic assembly 802 is started, the lifting hydraulic assembly 802 drives the lower anvil 801 to ascend along the guide rod 803, and the whole annular forging blank 2 is lifted through the three lower anvils 801;
s4: then, a first forging hydraulic assembly 701, a second forging hydraulic assembly 702 and a third forging hydraulic assembly 703 in the three frames 1 are started, and the first forging hydraulic assembly 701, the second forging hydraulic assembly 702 and the third forging hydraulic assembly 703 respectively drive a first upper anvil 704, a second upper anvil 705 and a third upper anvil 706 to forge the annular forging blank 2;
s5: after a certain section of the large-size circular ring-shaped forging blank 2 is forged, the lifting hydraulic assembly 802 is controlled to descend, so that the circular ring-shaped forging blank 2 is placed on the rotary roller 3, then the first motor 301 is started, the rotary roller 3 is driven to rotate by the first motor 301, the rotary rollers 3 rotate simultaneously to shift the circular ring-shaped forging blank 2, a new non-forged part of the circular ring-shaped forging blank 2 is moved to the upper forging anvil mechanism 7 and the lower forging anvil mechanism 8, then the lifting hydraulic assembly 802 is controlled to ascend, the whole circular ring-shaped forging blank 2 is lifted by the three lower forging anvils 801, and forging is continued according to the steps until all parts of the circular ring-shaped forging blank 2 are forged.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, any technical solution recorded in the foregoing embodiments is modified, and some technical features are replaced by equivalent, all belonging to the protection scope of the present invention.
Claims (7)
1. Big specification is built internally with nickel base alloy forging stock combination forging stock, including last forging stock mechanism (7) and lower forging stock mechanism (8), its characterized in that: the upper forging anvil mechanism (7) is arranged above the circular ring-shaped forging blank (2), the lower forging anvil mechanism (8) is arranged below the circular ring-shaped forging blank (2), the upper forging anvil mechanism (7) and the lower forging anvil mechanism (8) are arranged on the rack (1), the rack (1) is arranged in a groove (4) on a steel ground (5) in a sliding mode, a moving assembly (6) is arranged at the bottom of the rack (1), the moving assembly (6) is fixed on the bottom surface of the groove (4), the circular ring-shaped forging blank (2) is placed on the rotary roller (3), and the rotary roller (3) is embedded into the steel ground (5);
the upper forging anvil mechanism (7) comprises a first forging hydraulic assembly (701), a second forging hydraulic assembly (702) and a third forging hydraulic assembly (703), the first forging hydraulic assembly (701), the second forging hydraulic assembly (702) and the third forging hydraulic assembly (703) are all fixed to the top of the rack (1), the upper forging anvil mechanism (7) further comprises a first upper anvil (704), a second upper anvil (705) and a third upper anvil (706), the first upper anvil (704) is fixed to the movable end of the first forging hydraulic assembly (701), the second upper anvil (705) is fixed to the movable end of the second forging hydraulic assembly (702), and the third upper anvil (706) is fixed to the movable end of the third forging hydraulic assembly (703);
the lower forging anvil mechanism (8) comprises a lower anvil (801), a lifting hydraulic assembly (802), a guide rod (803) and a guide sleeve (804), the lower anvil (801) is fixed at the movable end of the lifting hydraulic assembly (802), the lifting hydraulic assembly (802) is vertically fixed on the rack (1), the guide sleeve (804) is embedded in the corner of the lower anvil (801), the guide rod (803) is slidably arranged in the guide sleeve (804), and the bottom end of the guide rod (803) is fixedly connected with the rack (1);
the moving assembly (6) comprises a second motor (601), a screw rod (602), a second bearing seat (603) and a nut seat (604), an output shaft of the second motor (601) is fixedly connected with one end of the screw rod (602) through a coupler, the other end of the screw rod (602) is rotationally connected with a second bearing seat (603), the second motor (601) and the second bearing seat (603) are both fixed on the bottom surface of the groove (4), the nut seat (604) is movably sleeved on the screw rod (602), the top of the nut seat (604) is fixedly connected with the bottom of the machine frame (1), the moving assembly (6) further comprises a slide block (605) and a guide rail (606), the sliding block (605) is fixed on the side face of the rack (1), the guide rail (606) is fixed on the inner wall of the groove (4), and the sliding block (605) is arranged on the guide rail (606) in a sliding mode;
the one end pivot of changeing roller (3) passes through the output shaft fixed connection of shaft coupling and first motor (301), the other end pivot of changeing roller (3) rotates with first bearing frame (302) and is connected, first motor (301) and first bearing frame (302) are all fixed in steel ground (5).
2. The large-size in-pile nickel-base alloy forging stock combined forging anvil according to claim 1, wherein three machine frames (1) are arranged, and the three machine frames (1) are distributed around a circular ring-shaped forging stock (2) in a regular triangle shape.
3. The large-size in-pile nickel-base alloy forging stock combined forging anvil according to claim 1, wherein the rotary roller (3) is provided with a plurality of rotary rollers (3), the plurality of rotary rollers (3) are uniformly arranged below the annular forging stock (2) along the circumference, and the top surface of each rotary roller (3) is protruded on a steel ground (5).
4. The large-gauge in-pile nickel-base alloy forging stock combination forging stock according to claim 1, wherein the grooves (4) are arranged in a three-mango star shape.
5. The large-size in-pile nickel-base alloy forging stock combined forging-anvil according to claim 1, wherein the first forging hydraulic assembly (701) and the third forging hydraulic assembly (703) are obliquely arranged and symmetrically distributed on two sides of the second forging hydraulic assembly (702), and the second forging hydraulic assembly (702) is vertically arranged.
6. The large-size in-pile nickel-base alloy forging stock combined forging-anvil according to claim 1, wherein the number of the guide rods (803) is four, and the four guide rods (803) are uniformly arranged at four corners of the lower anvil (801) in a rectangular array.
7. The large-size in-pile nickel-base alloy forging stock combined forging and hammering block according to claim 1, wherein two sliding blocks (605) are uniformly arranged on two sides of the machine frame (1) at the upper part and the lower part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020535765.6U CN212264420U (en) | 2020-04-13 | 2020-04-13 | Large-size in-pile nickel-base alloy forging stock combined forging anvil |
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| CN202020535765.6U CN212264420U (en) | 2020-04-13 | 2020-04-13 | Large-size in-pile nickel-base alloy forging stock combined forging anvil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346159A (en) * | 2022-01-07 | 2022-04-15 | 上海交通大学 | External forging equipment for large disc type component and forging method thereof |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346159A (en) * | 2022-01-07 | 2022-04-15 | 上海交通大学 | External forging equipment for large disc type component and forging method thereof |
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