CN212216939U - Free forging device for annular forge piece - Google Patents
Free forging device for annular forge piece Download PDFInfo
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- CN212216939U CN212216939U CN202020404269.7U CN202020404269U CN212216939U CN 212216939 U CN212216939 U CN 212216939U CN 202020404269 U CN202020404269 U CN 202020404269U CN 212216939 U CN212216939 U CN 212216939U
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Abstract
The utility model discloses a device for free forging of annular forging, through setting up the contact plate that keeps in contact with the minimum of annular forging under elevating system drives, make the distance detection mechanism that is located on the contact plate can carry out real-time detection to the distance between the minimum of the annular forging under highly being in the change state to the supporting mechanism bottom, reunion hammer block to the distance value of supporting mechanism bottom, the distance value of horse stick to the supporting mechanism bottom to and the distance value of hammer block to the supporting mechanism bottom, carry out real-time analysis to the internal diameter and the external diameter of the annular forging under the processing state, consequently, the utility model provides a device has realized that the annular forging is in under the processing state, also can carry out real-time detection to the inside and outside diameter size of annular forging.
Description
Technical Field
The utility model belongs to the technical field of the forging processing, concretely relates to a freely forged device for 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.
SUMMERY OF THE UTILITY MODEL
The weak point that exists to above prior art, the utility model provides a freely forged device for annular forging has solved the problem that can't detect at the inside and outside diameter size that is in by annular forging under the processing state.
The utility model provides a pair of a device that is used for freely forging of annular forging, include:
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.
The utility model provides a pair of a device for free forging of annular forging, through setting up the contact plate that keeps in contact with the minimum of annular forging under elevating system drives, make the distance detection mechanism that is located on the contact plate can carry out real-time detection to the distance between the minimum of the annular forging under highly being in the change state to the supporting mechanism bottom, reunion hammer block is to the distance value of supporting mechanism bottom, the distance value of horse stick to the supporting mechanism bottom, and go up the distance value of hammer block to the supporting mechanism bottom, carry out real-time analysis to the internal diameter and the external diameter of the annular forging under the processing state, consequently, the utility model provides a device has realized that the annular forging is in also can carry out real-time detection to the inside and outside diameter size of annular forging under the processing state.
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 the 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 examples.
Drawings
The accompanying drawings 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 invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of an apparatus for free forging of ring forgings according to 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 ring 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 ring forgings in accordance with an exemplary embodiment of the present invention;
fig. 5 is a schematic structural view of a lifting mechanism according to an exemplary embodiment of the present invention;
fig. 6 is a schematic connection diagram of a size detection module according to an exemplary embodiment of the present invention;
fig. 7 is a schematic flow chart of a method of using an apparatus for free forging of ring forgings according to an exemplary embodiment 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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed 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 limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
In order to solve the problem that can not carry out real-time detection to the inside and outside diameter dimension who is in by annular forging under the processing state among the prior art, the utility model provides a free forged device for annular forging.
The utility model provides a device for freely forging annular forging, refer to fig. 1 to 4, including supporting mechanism 1, contact mechanism 2 and distance detection mechanism, supporting mechanism 1 includes horse stick 101 that is used for placing 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.
The utility model discloses a contact plate 201 that sets up under elevating system 202 drives and keep in touch with annular forging 3's minimum, the distance detection mechanism that makes to be located on contact plate 201 can carry out real-time detection to the distance between highly being in annular forging 3's under the change state minimum to the supporting mechanism 1 bottom, reunion is gone up the distance value of hammer block 5 to the supporting mechanism 1 bottom, the distance value of horse stick 101 to the supporting mechanism 1 bottom, and go up the distance value of hammer block 5 to the supporting mechanism 1 bottom, carry out real-time analysis to the internal diameter and the external diameter of annular forging 3 under the processing state, consequently, the utility model provides a device has realized that annular forging 3 is in under the processing state, also can carry out real-time detection to the inside and outside diameter size of annular forging 3.
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 mechanism is connected to a size detection module including a wall thickness analysis unit, an outer diameter analysis unit, and an inner diameter analysis unit. 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; 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. In the embodiment, the distance value from the upper anvil 5 to the bottom of the support mechanism 1 is a value (L0) input on the numerical control hydraulic press, namely the numerical control hydraulic press controls the upper anvil 5 to move downwards until the distance value from the L0 to the bottom of the support mechanism 1 is equal to the input value, and the distance value from the horse bar 101 to the bottom of the support mechanism 1 is L1, so that the thick wall of the annular forging 3 calculated by the wall thickness analysis unit is L0-L1; after the annular forging 3 is placed on the horse bar 101, the distance detection mechanism detects that the distance between the annular forging 3 and a tangent line between the contact plate 201 is C; the values of the distances from the contact plate 201 to the bottom of the support mechanism 1 are detected by 4 distance sensors: h1, H2, H3 and H4, and the calculation average H is obtained by calculation with the distance averaging unit, so that the distance between the lowest point of the annular forging 3 and the bottom of the support mechanism 1 can be obtained as B ═ H + C, and therefore, the outer diameter D ═ L0-B of the annular forging 3 analyzed by the outer diameter analyzing unit, and the inner diameter D ═ D-2A ═ D-2(L0-L1) analyzed by the inner diameter analyzing unit.
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.
The utility model provides a pair of a use method that is used for free forged device of annular forging, see figure 7, include:
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 through the numerical control hydraulic press, in the process that the upper hammer anvil 5 strikes the forging to realize the deformation of the annular forging 3, the wall thickness direction of the annular forging 3 is reduced, and the diameter direction is enlarged, so that the hole expanding process is realized. Since the height L1 of the horse bar 101 is a fixed value, and the distance value from the upper anvil 5 to the bottom of the support mechanism 1 is the value L0 input on the numerical control hydraulic press, which is also a fixed value, the wall thickness a of the annular forging 3 can be calculated to be L0-L1; since the outer diameter and the inner diameter of the ring forging 3 change during the forging process, the distance B between the lowest point of the ring forging 3 and the bottom of the support mechanism 1 changes, and the outer diameter and the inner diameter of the ring forging 3 can be detected by detecting the distance B between the lowest point of the ring forging 3 and the bottom of the support mechanism 1 in real time, wherein the outer diameter D of the ring forging 3 is L0-B, and the inner diameter D is D-2A is D-2 (L0-L1). Therefore, the method can detect the distance between the lowest point of the annular forging 3 and the bottom of the support mechanism 1 in real time, and can detect the inner and outer diameter sizes of the annular forging 3 in real time when the annular forging 3 is in a processed state.
It will be apparent to those skilled in the art that various changes and modifications may be made 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 and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020404269.7U CN212216939U (en) | 2020-03-26 | 2020-03-26 | Free forging device for annular forge piece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020404269.7U CN212216939U (en) | 2020-03-26 | 2020-03-26 | Free forging device for annular forge piece |
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| CN212216939U true CN212216939U (en) | 2020-12-25 |
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| CN202020404269.7U Active CN212216939U (en) | 2020-03-26 | 2020-03-26 | Free forging device for annular forge piece |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111438321A (en) * | 2020-03-26 | 2020-07-24 | 三一重型装备有限公司 | Free forging device and method for annular forging |
| CN115608897A (en) * | 2022-09-30 | 2023-01-17 | 中南大学 | Precision forming method and mold for aluminum alloy special-shaped section ring forging |
-
2020
- 2020-03-26 CN CN202020404269.7U patent/CN212216939U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111438321A (en) * | 2020-03-26 | 2020-07-24 | 三一重型装备有限公司 | Free forging device and method for annular forging |
| CN115608897A (en) * | 2022-09-30 | 2023-01-17 | 中南大学 | Precision forming method and mold for aluminum alloy special-shaped section ring forging |
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