CN112872741A - Coiled wave washer and production process thereof - Google Patents
Coiled wave washer and production process thereof Download PDFInfo
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- CN112872741A CN112872741A CN202110268556.9A CN202110268556A CN112872741A CN 112872741 A CN112872741 A CN 112872741A CN 202110268556 A CN202110268556 A CN 202110268556A CN 112872741 A CN112872741 A CN 112872741A
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- wave
- washer
- wave washer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/18—Leaf springs
- F16F1/185—Leaf springs characterised by shape or design of individual leaves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasket Seals (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The invention relates to a coiled wave washer and a production process thereof, wherein the wave washer mainly comprises a washer body, a first wave crest and a first wave trough, the washer body is positioned between the first wave crest and the first wave trough and is provided with compression-resistant convex ribs along the axis direction, the production process mainly comprises A1 material preparation, A2 material flattening and forming, A3 bending, A4 cold punching, A5 cutting, A6 heat treatment, and the coiled wave washer has the beneficial effects that: the coiled wave washer and the production process thereof improve the structure and the processing process of the wave washer, thereby improving the structural strength, improving the maximum limit compressive resistance of the wave washer, delaying fatigue hardening, prolonging the service life, being applicable to larger load equipment and improving the adaptability.
Description
Technical Field
The invention relates to the technical field of elastic washers, in particular to a coiled wave washer and a production process thereof.
Background
The traditional wave washer is a regular wave-shaped circular thin sheet, is mainly used for preventing loosening and buffering impact, is widely applied to motors, textile machinery and hydraulic equipment, and can only be generally applied to occasions where loads and deformation are not large, the rigidity of the wave washer is required to be small and axial pre-pressure needs to be applied. The conventional wave washer mainly has the following two problems: the structure is simple, the stability is poor, the stress is uneven, the deformation is overlarge and the traditional wave washer is directly scrapped, the maximum limit pressure which can be born by the traditional wave washer is small, the fatigue hardening is easy to occur, the traditional wave washer can only be suitable for equipment with small power, and the service life of the traditional wave washer is short; and (II) the traditional wave washer is mostly made of cold-rolled steel strips or cold-rolled steel plates, and the thickness of the steel plates is 0.2 mm-0.5 mm. Due to the fact that the thickness of the material is thin, deformation is prone to occurring in the heat treatment process along with the increase of the diameter of the wave washer, the wave shape of the wave washer does not meet the pattern requirement, and the product percent of pass is low. In order to solve the problem of deformation of the parts due to heat treatment, a jig having the same shape as the parts is usually machined and heat treatment is performed while pressing the washer. However, the specification diameter of the wave washer is different from phi 40mm to middle 250mm, so that the special tool needs to manufacture sizing fixtures with different specifications. Under the condition that the production batch is not large enough, the manufacturing cost is high and uneconomical due to the fact that the size and the specification of the tool are various. Especially for the large-diameter wave washer, the manufacturing cost of the shaping clamp is higher.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a rolled wave washer and a production process thereof, aiming at the defects of the prior art, the structural strength of the wave washer is improved, the maximum limit compressive resistance of the wave washer is improved, the fatigue hardening is delayed, the service life is prolonged, and the wave washer is suitable for larger load equipment, so that the adaptability is improved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a roll up system wave washer, is including being annular packing ring body, the packing ring body encircles self the central axis equipartition and has first crest of a plurality of groups and first trough, and the first trough of every group sets up between adjacent two first crests, its characterized in that: the gasket body is located between first crest and the first trough and is equipped with the resistance to compression protruding muscle that can improve the biggest ultimate pressure of gasket body along the axis direction, the gasket body cross section is "concave" shape structure and the protruding muscle cross section of resistance to compression is located gasket body cross section center department.
Adopt above-mentioned technical scheme, compare in traditional wave form packing ring, through improving the wave form packing ring structure, set up the protruding muscle of resistance to compression along packing ring body axis direction, strengthen the structural strength of wave form packing ring to promote the biggest limit compressive resistance of wave form packing ring, on the one hand, delay its fatigue hardening, increase of service life, on the other hand make the wave form packing ring applicable in more powerful equipment, thereby improve its suitability.
The above-mentioned rolled wave washer may further be configured as follows: the first wave crests are provided with a plurality of groups of second wave crests and second wave troughs along the axis direction of the gasket body and in the middle of the first wave crests, and each group of second wave troughs is arranged between two adjacent second wave crests.
The above-mentioned rolled wave washer may further be configured as follows: the first wave trough is provided with a plurality of groups of third wave crests and third wave troughs along the axis direction of the gasket body and in the middle of the first wave trough, and each group of third wave crests is arranged between two adjacent third wave troughs.
By adopting the technical scheme, the end parts of the first wave peak and the first wave trough are respectively provided with the second wave peak and the second wave trough, the third wave peak and the third wave trough, so that the stress points of the wave washer and the assembled parts are increased, the working stability is improved, and the wave washer is not easy to incline.
The above-mentioned rolled wave washer may further be configured as follows: the gasket body is provided with an opening, a first end portion and a second end portion are arranged on two sides of the opening of the gasket body, and the first end portion and the second end portion are mutually overlapped to form the opening.
By adopting the technical scheme, the opening is formed, the radial variable range of the wave washer is enlarged, the adaptability is further improved, the first end part and the second end part are arranged in a mutually overlapped mode, on one hand, the radial variable range of the wave washer is enlarged, on the other hand, the deformable range of the wave washer is enlarged along the axial direction of the wave washer, the maximum limit elastic force is improved, and the wave washer is prevented from deflecting.
The production process of the rolled wave washer is characterized by mainly comprising the following steps of:
a1, preparing materials, and preparing 304 stainless steel;
a2, flattening and molding the material;
a3, bending, namely selecting a spring bending machine, and selecting the height and the depth of a first wave crest and a first wave trough according to the size of the section bar to obtain a first-stage wave washer;
a4, cold punching, namely, selecting a punching die to punch and form the first-stage wave washer, and punching and forming the compression-resistant convex ribs, the second wave crests and the second wave troughs, and the third wave crests and the third wave troughs at one time to obtain the second-stage wave washer;
a5, cutting, namely cutting the two-stage wave washer, and processing an opening to obtain a three-stage wave washer;
a6, performing heat treatment, namely sequentially performing quenching, tempering and elastic force inspection on the three-stage wave washer, and if the elastic force value of the three-stage wave washer is not in the qualified range, repeating the quenching, tempering and elastic force inspection until the elastic force value reaches the qualified range, thereby finally obtaining the wave washer
By adopting the technical scheme, the corrugated washer meeting the requirements can be processed by mainly matching a rolling process with a heat treatment process, wherein cold punching is mainly used for forming compression-resistant convex ribs, a second wave crest and a second wave trough and a third wave crest and a third wave trough, and heat treatment is mainly used for increasing the hardness and elasticity of the corrugated washer and obtaining good mechanical properties.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The coiled wave washer comprises a ring-shaped washer body 1, wherein the washer body 1 is uniformly distributed with multiple groups of first wave crests 2 and first wave troughs 3 around the central axis of the washer body, each group of first wave troughs 3 is arranged between two adjacent first wave crests 2, the washer body 1 is positioned between the first wave crests 2 and the first wave troughs 3 and is provided with a compression-resistant convex rib 4 capable of improving the maximum limit compressive resistance of the washer body 1 along the axis direction, the cross section of the washer body 1 is of a concave structure, and the cross section of the compression-resistant convex rib 4 is positioned at the center of the cross section of the washer body 1. First crest 2 is equipped with a set of second crest 5 and a set of second trough 6 along 1 axis direction of packing ring body and the middle part that is located itself, and this set of second trough 6 sets up in second crest 5 one side. The first wave trough 3 is provided with a group of third wave crests 7 and two groups of third wave troughs 8 along the axis direction of the gasket body 1 and in the middle of the first wave trough 3, and the group of third wave crests 7 are arranged between the two third wave troughs 8. The gasket body 1 is provided with an opening 9, a first end portion 10 and a second end portion 11 are arranged on two sides of the opening 9 of the gasket body 1, and the first end portion 10 and the second end portion 11 are mutually stacked to form the opening 9.
A production process for rolling a wave-shaped gasket is characterized by mainly comprising the following steps:
a1, preparing materials, and preparing 304 stainless steel;
a2, flattening and molding the material;
a3, bending, namely selecting a spring bending machine, and selecting the height and the depth of a first wave crest and a first wave trough according to the size of the section bar to obtain a first-stage wave washer;
a4, cold punching, namely, selecting a punching die to punch and form the one-stage wave washer, and punching and forming the compression-resistant convex rib 4, the second wave crest 5 and the second wave trough 6, and the third wave crest 8 and the third wave trough 7 at one time to obtain the two-stage wave washer;
a5, cutting, namely cutting the two-stage wave washer to process an opening 9 to obtain a three-stage wave washer;
and A6, performing heat treatment, sequentially performing quenching, tempering and elastic force inspection on the three-stage wave washer, and repeating the quenching, tempering and elastic force inspection if the elastic force value of the three-stage wave washer is not in the qualified range until the elastic force value reaches the qualified range, thereby finally obtaining the wave washer.
Claims (5)
1. The utility model provides a roll up system wave washer, is including being annular packing ring body, the packing ring body encircles self the central axis equipartition and has first crest of a plurality of groups and first trough, and the first trough of every group sets up between adjacent two first crests, its characterized in that: the gasket body is located between first crest and the first trough and is equipped with the resistance to compression protruding muscle that can improve the biggest ultimate pressure of gasket body along the axis direction, the gasket body cross section is "concave" shape structure and the protruding muscle cross section of resistance to compression is located gasket body cross section center department.
2. The rolled wave washer as claimed in claim 1, wherein: the first wave crests are provided with a plurality of groups of second wave crests and second wave troughs along the axis direction of the gasket body and in the middle of the first wave crests, and each group of second wave troughs is arranged between two adjacent second wave crests.
3. The rolled wave washer as claimed in claim 1, wherein: the first wave trough is provided with a plurality of groups of third wave crests and third wave troughs along the axis direction of the gasket body and in the middle of the first wave trough, and each group of third wave crests is arranged between two adjacent third wave troughs.
4. The rolled wave washer as claimed in claim 1, wherein: the gasket body is provided with an opening, a first end portion and a second end portion are arranged on two sides of the opening of the gasket body, and the first end portion and the second end portion are mutually overlapped to form the opening.
5. The process for producing a rolled wave washer according to any one of claims 1 to 4, characterized in that it essentially comprises the following steps:
a1, preparing materials, and preparing 304 stainless steel;
a2, flattening and molding the material;
a3, bending, namely selecting a spring bending machine, and selecting the height and the depth of a first wave crest and a first wave trough according to the size of the section bar to obtain a first-stage wave washer;
a4, cold punching, namely, selecting a punching die to punch and form the first-stage wave washer, and punching and forming the compression-resistant convex ribs, the second wave crests and the second wave troughs, and the third wave crests and the third wave troughs at one time to obtain the second-stage wave washer;
a5, cutting, namely cutting the two-stage wave washer, and processing an opening to obtain a three-stage wave washer;
and A6, performing heat treatment, sequentially performing quenching, tempering and elastic force inspection on the three-stage wave washer, and repeating the quenching, tempering and elastic force inspection if the elastic force value of the three-stage wave washer is not in the qualified range until the elastic force value reaches the qualified range, thereby finally obtaining the wave washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110268556.9A CN112872741A (en) | 2021-03-12 | 2021-03-12 | Coiled wave washer and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110268556.9A CN112872741A (en) | 2021-03-12 | 2021-03-12 | Coiled wave washer and production process thereof |
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| CN112872741A true CN112872741A (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110268556.9A Pending CN112872741A (en) | 2021-03-12 | 2021-03-12 | Coiled wave washer and production process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909820A (en) * | 2021-10-26 | 2022-01-11 | 中国航发贵州红林航空动力控制科技有限公司 | Method for processing wave spring |
-
2021
- 2021-03-12 CN CN202110268556.9A patent/CN112872741A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909820A (en) * | 2021-10-26 | 2022-01-11 | 中国航发贵州红林航空动力控制科技有限公司 | Method for processing wave spring |
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