CN111438321A - Free forging device and method for annular forging - Google Patents
Free forging device and method for annular forging Download PDFInfo
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- CN111438321A CN111438321A CN202010222016.2A CN202010222016A CN111438321A CN 111438321 A CN111438321 A CN 111438321A CN 202010222016 A CN202010222016 A CN 202010222016A CN 111438321 A CN111438321 A CN 111438321A
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- forging
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- distance
- annular forging
- contact plate
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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
- B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
- B21J7/02—Special design or construction
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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
-
- 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
- B21J13/06—Hammers tups; Anvils; Anvil blocks
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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
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories 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
- B21J9/00—Forging presses
- B21J9/02—Special design or construction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
- G01B21/14—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters internal diameters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Forging (AREA)
Abstract
The invention discloses a device and a method for freely forging an annular forging piece, wherein a contact plate which is driven by a lifting mechanism and keeps in contact with the lowest point of the annular forging piece is arranged, so that a distance detection mechanism positioned on the contact plate can detect the distance between the lowest point of the annular forging piece with the height in a changing state and the bottom of a supporting mechanism in real time, and then the inner diameter and the outer diameter of the annular forging piece in a processing state are analyzed in real time by combining the distance value from an upper hammer anvil to the bottom of the supporting mechanism, the distance value from a horse bar to the bottom of the supporting mechanism and the distance value from the upper hammer anvil to the bottom of the supporting mechanism.
Description
Technical Field
The invention belongs to the technical field of forging processing, and particularly relates to a device and a method for freely forging an annular forging.
Background
Since the slewing bearing is a key part of engineering machinery such as a heading machine and an excavator, the quality of the slewing bearing also determines the product quality of the whole equipment. At present, the inner ring and the outer ring of the slewing bearing are generally machined and manufactured by adopting an annular forging blank method, wherein the annular forging is generally formed and processed by adopting a rolling method. However, due to the limitation of the strength of the core roll of the rolling equipment, a forging with an excessive ratio of weight to diameter requires an excessive rolling force, and therefore, when the rolling method cannot be adopted for forming, the blank stages of the small ring-shaped member and the large ring-shaped member are formed by adopting a free forging method.
Common free forging methods are classified into normal hammer forging and numerically controlled press hammer forging. The equipment used in forging on the common hammer still completely depends on manual control, and because the problems that the forging force is difficult to control, the deformation is uneven, the forging stop temperature cannot be guaranteed and the like exist, the requirements on experience and operation skills of operators are high, the quality of forgings is difficult to guarantee, and the automation and unmanned production of a forging production workshop are not easy to realize. The forging is carried out by the numerical control press, although the accurate control of the distance between the upper anvil surface and the lower anvil surface can be realized, the inner diameter size, the outer diameter size and the height size of the annular forging piece can be controlled only by a method of visual inspection or manual measurement by workers, so that the forging equipment needs to be suspended during the manual measurement, and the problems of influencing the production efficiency, improving the production cost, influencing the product quality and the like are caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a device and a method for freely forging an annular forging, which solve the problem that the inner and outer diameter sizes of the annular forging in a processed state cannot be detected.
The invention provides in a first aspect an apparatus for free forging of annular forgings, comprising:
the supporting mechanism comprises a horse bar for placing the annular forge piece;
the contact mechanism comprises a contact plate arranged below the horse bar and a lifting mechanism connected with the contact plate, and the contact plate is driven by the lifting mechanism to be in contact with the lowest point of the annular forging;
and the distance detection mechanism is arranged on the contact plate and used for detecting the distance between the lowest point of the annular forging and the bottom of the supporting mechanism.
Further, the lifting mechanism comprises a sliding component and a rebounding component,
the sliding assembly comprises a sliding groove vertically arranged on the supporting mechanism and a sliding part arranged on the contact plate and connected with the sliding groove in a sliding manner;
the resilience assembly comprises a guide rod vertically arranged in the sliding groove and a spring sleeved on the outer side of the guide rod, and one end of the spring is connected with the sliding part.
Furthermore, the supporting mechanism further comprises a lower hammer anvil and a horse frame arranged on the lower hammer anvil, the horse frame is used for supporting two ends of the horse rod, the sliding groove is formed in the side wall of the horse frame, and the contact plate is arranged in parallel with the lower hammer anvil.
Furthermore, a concave part used for being connected with the horse bar is formed in the horse frame.
Furthermore, the lower hammer anvil is detachably connected with the trestle.
Further, the distance detection mechanism comprises at least three distance sensors distributed on the contact plate and a distance averaging unit, wherein the distance averaging unit is used for averaging values detected by the at least three distance sensors to obtain a distance value between the lowest point of the annular forging and the bottom of the support mechanism.
Further, the distance detection mechanism is connected with a size detection module, and the size detection module includes:
the wall thickness analysis unit is used for analyzing the wall thickness of the annular forging according to the distance value from the upper hammer anvil to the bottom of the supporting mechanism and the distance value from the horse bar to the bottom of the supporting mechanism;
the outer diameter analysis unit is used for analyzing the outer diameter of the annular forging according to the distance value obtained by the distance detection mechanism and the distance value from the upper hammer anvil to the bottom of the supporting mechanism;
and the inner diameter analysis unit is used for analyzing the inner diameter of the annular forging according to the outer diameter of the annular forging obtained by the outer diameter analysis unit and the wall thickness obtained by the wall thickness analysis unit.
Further, at least three distance sensors are arranged on the sliding part.
Further, the contact surface of the horse rod and the annular forging is an arc surface.
A second aspect of the invention provides a method for free forging of an annular forging, comprising:
placing an annular forging on the horse bar of an apparatus for free forging of annular forgings as described above with the lowest point of the annular forging in contact with the contact plate;
processing the annular forging by an upper hammer anvil, and analyzing the wall thickness of the annular forging according to the distance value from the upper hammer anvil to the bottom of the supporting mechanism and the distance value from the horse bar to the bottom of the supporting mechanism;
detecting the outer diameter of the annular forging in real time according to the distance value detected by the distance detection mechanism and the distance value from the upper hammer anvil to the bottom of the supporting mechanism;
and detecting the inner diameter of the annular forging in real time according to the outer diameter of the annular forging and the wall thickness of the annular forging.
The invention provides a device and a method for freely forging an annular forging, wherein a contact plate which is driven by a lifting mechanism and keeps in contact with the lowest point of the annular forging is arranged, so that a distance detection mechanism positioned on the contact plate can detect the distance between the lowest point of the annular forging and the bottom of a supporting mechanism in a state of changing height in real time, and then the inner diameter and the outer diameter of the annular forging in a processing state are analyzed in real time by combining the distance value from an upper hammer anvil to the bottom of the supporting mechanism, the distance value from a horse bar to the bottom of the supporting mechanism and the distance value from the upper hammer anvil to the bottom of the supporting mechanism.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of an apparatus for free forging of annular forgings in accordance with an exemplary embodiment of the present invention;
FIG. 2 is a front view of an apparatus for free forging of annular forgings in accordance with an exemplary embodiment of the present invention;
FIG. 3 is a cross-sectional view of section A-A of an apparatus for free forging of annular forgings in accordance with an exemplary embodiment of the present invention;
FIG. 4 is a cross-sectional view of section B-B of an apparatus for free forging of annular forgings in accordance with an exemplary embodiment of the present invention;
fig. 5 is a schematic structural view of a lifting mechanism of an exemplary embodiment of the present invention;
FIG. 6 is a schematic diagram of the connection of a size detection module in an exemplary embodiment of the invention;
FIG. 7 is a schematic flow chart of a method for free forging of an annular forging of the present invention.
In the figure:
1-supporting mechanism, 101-horse bar, 102-lower hammer anvil, 103-horse frame, 1011-arc surface and 1031-concave part;
2-contact mechanism, 201-contact plate, 202-lifting mechanism, 2021-sliding groove, 2022-sliding part, 2023-guide bar, 2024-spring;
3-annular forging;
4-a distance sensor;
5-upper hammer anvil.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The invention provides a device and a method for freely forging an annular forging, aiming at solving the problem that the inner and outer diameter sizes of the annular forging in a processed state cannot be detected in real time in the prior art.
The invention provides a device for freely forging an annular forging, which comprises a supporting mechanism 1, a contact mechanism 2 and a distance detection mechanism, wherein the supporting mechanism 1 comprises a horse rod 101 for placing an annular forging 3; the contact mechanism 2 comprises a contact plate 201 arranged below the horse bar 101 and a lifting mechanism 202 connected with the contact plate 201, and the contact plate 201 is driven by the lifting mechanism 202 to be in contact with the lowest point of the annular forging 3; the distance detection mechanism is arranged on the contact plate 201 and used for detecting the distance between the lowest point of the annular forging 3 and the bottom of the supporting mechanism 1.
The distance detection mechanism detects the distance between the support mechanism 1 and the bottom of the support mechanism 1, the distance is recorded as H, the distance detection mechanism detects the distance between the support mechanism 1 and a tangent between the contact plate 201 and the annular forging 3, and the distance is recorded as C, and then the distance B between the lowest point of the annular forging 3 detected by the distance detection mechanism and the bottom of the support mechanism 1 is equal to H + C.
According to the invention, the contact plate 201 which is driven by the lifting mechanism 202 and keeps in contact with the lowest point of the annular forging 3 is arranged, so that the distance detection mechanism positioned on the contact plate 201 can detect the distance from the lowest point of the annular forging 3 with the height in a changing state to the bottom of the supporting mechanism 1 in real time, and then the inner diameter and the outer diameter of the annular forging 3 in a processing state are analyzed in real time by combining the distance value from the upper hammer anvil 5 to the bottom of the supporting mechanism 1, the distance value from the horse bar 101 to the bottom of the supporting mechanism 1 and the distance value from the upper hammer anvil 5 to the bottom of the supporting mechanism 1, therefore, the device provided by the invention can realize real-time detection on the inner diameter and the outer diameter of the annular forging 3 when the annular forging 3 is in a processed state.
As a preferred embodiment, referring to fig. 5, the lifting mechanism 202 includes a sliding assembly and a rebounding assembly, the sliding assembly includes a sliding groove 2021 vertically disposed on the supporting mechanism 1, and a sliding portion 2022 disposed on the contact plate 201 and slidably connected with the sliding groove 2021; the rebounding assembly comprises a guide rod 2023 vertically arranged in the sliding groove 2021 and a spring 2024 sleeved outside the guide rod 2023, wherein one end of the spring 2024 is connected with the sliding part 2022. In the present embodiment, after the annular forging 3 is placed on the horse bar 101, the lowest point of the annular forging 3 falls on the contact plate 201, the sliding portion 2022 of the contact plate 201 presses down the spring 2024, and when the annular forging 3 is machined by the upper anvil 5, the sliding portion 2022 drives the contact plate 201 to move along with the rebound action of the spring 2024, so that the height of the contact plate 201 is ensured to change along with the lifting of the lowest point of the annular forging 3, and the contact plate 201 is kept in contact with the lowest point of the annular forging 3 under the driving of the lifting mechanism 202.
In a preferred embodiment, the supporting mechanism 1 further includes a lower anvil 102, and a frame 103 disposed on the lower anvil 102, the frame 103 is used for supporting two ends of the horse bar 101, the sliding groove 2021 is disposed on a side wall of the frame 103, and the contact plate 201 is disposed in parallel with the lower anvil 102. In the present embodiment, two slide grooves 2021 are provided on the opposing surfaces of two opposing horse frames 103, and one sliding portion 2022 is provided at each of the four corners of the contact plate 201, and the contact plate 201 is slidably connected to the horse frames 103 by the engagement of the sliding portion 2022 and the slide grooves 2021, and when the sliding portion 2022 and the slide grooves 2021 are engaged, the contact plate 201 is kept parallel to the lower anvil 102, so that the distance detection mechanism can detect the distance between the lowest point of the annular forged piece 3 and the bottom of the support mechanism 1.
In a preferred embodiment, the horse frame 103 is provided with a recess 1031 for connecting with the horse bar 101.
In a preferred embodiment, the lower anvil 102 is removably attached to the carriage 103.
As a preferred embodiment, the distance detection mechanism comprises at least three distance sensors 4 distributed on the contact plate 201, and a distance averaging unit for averaging the values detected by the at least three distance sensors 4 to obtain the distance value between the lowest point of the annular forging 3 and the bottom of the support mechanism 1. In the present embodiment, by providing at least three distance sensors 4 and averaging the values detected by the at least three distance sensors 4, the distance value between the lowest point of the annular forging 3 and the bottom of the support mechanism 1 can be obtained more accurately, and an error in detecting the distance value between the lowest point of the annular forging 3 and the bottom of the support mechanism 1 when the contact plate 20 cannot be kept parallel to the bottom of the support mechanism 1 can be avoided.
As a preferred embodiment, referring to fig. 6, the distance detection means is connected to a dimension detection module, which includes a wall thickness analysis unit for analyzing the wall thickness of the annular forging 3 based on the distance value from the upper anvil 5 to the bottom of the support mechanism 1 and the distance value from the horse bar 101 to the bottom of the support mechanism 1, an outer diameter analysis unit for analyzing the outer diameter of the annular forging 3 based on the distance value obtained by the distance detection means and the distance value from the upper anvil 5 to the bottom of the support mechanism 1, and an inner diameter analysis unit for analyzing the inner diameter of the annular forging 3 based on the outer diameter of the annular forging 3 obtained by the outer diameter analysis unit and the wall thickness obtained by the wall thickness analysis unit, in this embodiment, the distance value from the upper anvil 5 to the bottom of the support mechanism 1 is a numerical control hydraulic press (L), that is a value inputted on the numerical control hydraulic press, that the distance value from the upper anvil 5 to L is equal to the input value, the distance value from the horse bar 101 to the bottom of the support mechanism 1 is L, and thus the distance value from the contact plate between the contact plate 3 and the contact plate C-3, and the distance between the contact plate 3, the contact plate detection unit, and the contact plate detection unit, whereby the distance between the average distance between the contact plate detection unit detects the distance between the inner diameter analysis unit, the distance of the annular forging 3, the distance between the contact plate, the contact plate.
As a preferred embodiment, at least three distance sensors 4 are provided on the sliding portion 2022.
As a preferred embodiment, the contact surface of the horse bar 101 and the annular forging 3 is an arc surface 1011.
A second aspect of the invention provides a method for free forging of an annular forging, see fig. 7, comprising:
s100, placing the annular forging on the horse bar 101 of the device for freely forging the annular forging, wherein the lowest point of the annular forging 3 is in contact with a contact plate 201;
s200, processing the annular forging 3 through the upper hammer anvil 5, and analyzing the wall thickness of the annular forging 3 according to the distance value from the upper hammer anvil 3 to the bottom of the supporting mechanism 1 and the distance value from the horse bar 101 to the bottom of the supporting mechanism 1;
s300, detecting the outer diameter of the annular forging 3 in real time according to the distance value detected by the distance detection mechanism and the distance value from the upper hammer anvil 5 to the bottom of the support mechanism 3;
s400, detecting the inner diameter of the annular forging 3 in real time according to the outer diameter of the annular forging 3 and the wall thickness of the annular forging 3.
When the annular forging 3 is forged by the numerical control hydraulic press, in the process that the annular forging 3 is deformed by striking the forging by the upper hammer anvil 5, the wall thickness direction of the annular forging 3 is reduced, and the diameter direction is increased, so that the hole expanding process is realized, because the height L1 of the horse bar 101 is a fixed value, and the distance value from the upper hammer anvil 5 to the bottom of the supporting mechanism 1 is a numerical value L input on the numerical control hydraulic press and is also a fixed value, the wall thickness A of the annular forging 3 is L0-L, and because the outer diameter and the inner diameter of the annular forging 3 are changed in the forging process, the distance B between the lowest point of the annular forging 3 and the bottom of the supporting mechanism 1 is changed accordingly, the outer diameter and the inner diameter of the annular forging 3 can be detected by detecting the distance B between the lowest point of the annular forging 3 and the bottom of the supporting mechanism 1 in real time, wherein the outer diameter D of the annular forging 3 is L-B, the inner diameter D is D-2A (D-2) and is 460-L, and the distance between the bottom of the annular forging 3 can be detected in real time by detecting the annular forging mechanism, so that the annular forging 3 is detected by the method, and the distance between the bottom of the annular forging 3, and the annular forging 3, the annular forging is detected in real-593, and the distance of the.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An apparatus for free forging of annular forgings, comprising:
the supporting mechanism (1) comprises a horse bar (101) for placing the annular forging (3);
the contact mechanism (2) comprises a contact plate (201) arranged below the horse bar (101) and a lifting mechanism (202) connected with the contact plate (201), and the contact plate (201) is driven by the lifting mechanism (202) to be in contact with the lowest point of the annular forging (3);
and the distance detection mechanism is arranged on the contact plate (201) and is used for detecting the distance between the lowest point of the annular forging (3) and the bottom of the supporting mechanism (1).
2. The apparatus for free forging of annular forgings according to claim 1, wherein the lifting mechanism (202) comprises a slide assembly and a rebound assembly,
the sliding assembly comprises a sliding groove (2021) vertically arranged on the supporting mechanism (1) and a sliding part (2022) arranged on the contact plate (201) and connected with the sliding groove (2021) in a sliding manner;
the rebounding assembly comprises a guide rod (2023) vertically arranged in the sliding groove (2021) and a spring (2024) sleeved on the outer side of the guide rod (2023), and one end of the spring (2024) is connected with the sliding part (2022).
3. The device for free forging of annular forgings according to claim 2, characterized in that the supporting mechanism (1) further comprises a lower anvil (102) and a carriage (103) arranged on the lower anvil (102), the carriage (103) is used for supporting the two ends of the horse bar (101), the sliding groove (2021) is arranged on the side wall of the carriage (103), and the contact plate (201) is arranged in parallel with the lower anvil (102).
4. Device for the free forging of annular forgings according to claim 3, characterized in that said saddle (103) is provided with a recess (1031) for the connection with said horse bar (101).
5. An apparatus for free forging of annular forgings as claimed in claim 3, wherein said lower anvil (102) is removably connected to said carriage (103).
6. The device for free forging of annular forgings as claimed in claim 2, wherein the distance detection mechanism comprises at least three distance sensors (4) distributed on the contact plate and a distance averaging unit for averaging the values detected by the at least three distance sensors (4) to obtain a value of the distance between the lowest point of the annular forging (3) and the bottom of the support mechanism (1).
7. The apparatus of claim 6, wherein the distance detection mechanism is coupled to a size detection module, the size detection module comprising:
the wall thickness analysis unit is used for analyzing the wall thickness of the annular forging (3) according to the distance value from the upper hammer anvil (5) to the bottom of the supporting mechanism (1) and the distance value from the horse bar (101) to the bottom of the supporting mechanism (1);
the outer diameter analysis unit is used for analyzing the outer diameter of the annular forging (3) according to the distance value obtained by the distance detection mechanism and the distance value from the upper hammer anvil (5) to the bottom of the support mechanism (1);
and the inner diameter analysis unit is used for analyzing the inner diameter of the annular forging (3) according to the outer diameter of the annular forging (3) obtained by the outer diameter analysis unit and the wall thickness obtained by the wall thickness analysis unit.
8. Device for the free forging of annular forgings according to claim 6, characterized in that at least three distance sensors (4) are provided on the slide (2022).
9. Device for the free forging of annular forgings according to claim 1, characterized in that the contact surface of the horse bar (101) with the annular forging (3) is a cambered surface (1011).
10. A method for free forging of an annular forging, comprising:
placing an annular forging (3) on the horse bar (101) of a device for free forging of annular forgings according to any one of claims 1 to 9, and bringing the lowest point of the annular forging (3) into contact with the contact plate (201);
machining the annular forging (3) through an upper hammer anvil (5), and analyzing the wall thickness of the annular forging (3) according to the distance value from the upper hammer anvil (5) to the bottom of the supporting mechanism (1) and the distance value from the horse bar (101) to the bottom of the supporting mechanism (1);
the outer diameter of the annular forging (3) is detected in real time according to the distance value detected by the distance detection mechanism and the distance value from the upper hammer anvil (5) to the bottom of the support mechanism (1);
and detecting the inner diameter of the annular forging (3) in real time according to the outer diameter of the annular forging (3) and the wall thickness of the annular forging (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010222016.2A CN111438321A (en) | 2020-03-26 | 2020-03-26 | Free forging device and method for annular forging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010222016.2A CN111438321A (en) | 2020-03-26 | 2020-03-26 | Free forging device and method for annular forging |
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| Publication Number | Publication Date |
|---|---|
| CN111438321A true CN111438321A (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010222016.2A Pending CN111438321A (en) | 2020-03-26 | 2020-03-26 | Free forging device and method for annular forging |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121754A (en) * | 2022-08-30 | 2022-09-30 | 江苏威鹰机械有限公司 | Flange forging and pressing device |
| CN115255249A (en) * | 2022-09-01 | 2022-11-01 | 江苏联诚精密合金科技有限公司 | Efficient high-quality forging equipment for annular forge pieces and forging process thereof |
-
2020
- 2020-03-26 CN CN202010222016.2A patent/CN111438321A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121754A (en) * | 2022-08-30 | 2022-09-30 | 江苏威鹰机械有限公司 | Flange forging and pressing device |
| CN115121754B (en) * | 2022-08-30 | 2022-11-25 | 江苏威鹰机械有限公司 | Flange plate forging and pressing device |
| CN115255249A (en) * | 2022-09-01 | 2022-11-01 | 江苏联诚精密合金科技有限公司 | Efficient high-quality forging equipment for annular forge pieces and forging process thereof |
| CN115255249B (en) * | 2022-09-01 | 2024-04-02 | 山西实达锻造股份有限公司 | Efficient high-quality forging equipment and forging process for annular forgings |
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