CN214529166U - Integral hot-working shape correcting tool for thin-wall split ring part - Google Patents
Integral hot-working shape correcting tool for thin-wall split ring part Download PDFInfo
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- CN214529166U CN214529166U CN202023282306.0U CN202023282306U CN214529166U CN 214529166 U CN214529166 U CN 214529166U CN 202023282306 U CN202023282306 U CN 202023282306U CN 214529166 U CN214529166 U CN 214529166U
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Abstract
The utility model discloses an integral hot-working shape correcting tool for thin-wall split ring parts, which comprises a baffle plate, a double-end stud, a nut, a gasket and a pressing body; the baffle plates are respectively arranged at two ends of the pressing body, the stud is arranged in the center of the pressing body and can penetrate through the baffle plates, and a nut is sleeved on the stud; the thin-wall split ring part to be corrected sequentially penetrates through the stud and is placed into the pressing body, the part is sealed in the pressing body through the baffle, the gasket is placed on the stud, the nut is screwed on, and the part is pressed tightly through the baffle through the wrench. The tool can effectively control the heat treatment deformation of the thin-wall split ring part, and synchronously carry out thermal shape correction in the tempering process of heat treatment, thereby solving the problem that the part can generate larger deformation under the action of thermal stress and tissue stress in the heat treatment process. The deformation of the part is controlled within the range of the finish machining and the reserved grinding amount, so that the part is qualified.
Description
Technical Field
The utility model relates to a hot working field, concretely relates to whole hot working school shape frock of thin wall split ring part.
Background
A silencing ring in a main speed reducer is a thin-wall split ring part, as shown in figures 1 and 2, the wall thickness of the part is 5mm, the diameter of an outer circle is 105mm, a 20-degree opening exists, and the design requirement is that heat treatment is carried out for 40-45 HRC. Since the hardness is hard to machine, the part is in a finish machining state before heat treatment, and only the grinding amount is reserved. In the heat treatment process of the part, the part can be greatly deformed under the action of thermal stress and tissue stress, and the deformation is more difficult to control due to the existence of an open pore space. At present, the manual shape correction method is adopted for shape correction, and the problems of unreasonable shape correction force loading mode, difficult control of loading force, complex part deformation condition and the like exist, so that part shape correction failure, serious deformation and even part scrapping are often caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a whole hot working school shape frock of thin wall split ring part has solved the deformation problem after certain thin wall split ring part thermal treatment effectively, has guaranteed the processingquality of its thermal treatment, has created economic benefits for the mill.
In order to achieve the above object, the utility model adopts the following technical scheme:
the integral hot-working shape-correcting tool for the thin-wall split ring part comprises a baffle, a stud, a nut and a pressing body;
the baffle plates are respectively arranged at two ends of the pressing body, the stud is arranged in the center of the pressing body and can penetrate through the baffle plates, and a nut is sleeved on the stud;
and the thin-wall split ring part to be corrected sequentially penetrates through the stud to be placed into the pressing body, and the part is sealed in the pressing body by using the baffle.
Preferably, the nut further comprises a gasket disposed between the baffle plate and the nut.
Preferably, the center of the baffle is provided with a through hole for the stud to penetrate through, and the baffle is also provided with a stress hole or a groove.
Preferably, the pressing body has a cylindrical structure with openings at two ends, and the inner diameter of the pressing body is equal to the outer diameter of the split ring.
Preferably, the stud is a double-end stud, and nuts are respectively sleeved at two ends of the stud.
Due to the structure, the beneficial effects of the utility model reside in that:
the method can effectively control the heat treatment deformation of the thin-wall split ring part, and synchronously carry out heat correction in the tempering process of heat treatment, thereby solving the problem that the part can generate larger deformation under the action of thermal stress and tissue stress in the heat treatment process. The deformation of the part is controlled within the range of the finish machining and the reserved grinding amount, so that the part is qualified.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
FIGS. 1 and 2 are schematic structural views of thin-walled split ring parts;
fig. 3 is a schematic structural diagram of the present invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in FIG. 3, the integral hot-working shape-correcting tool for the thin-wall split ring part comprises a baffle plate 1, a stud 2, a nut 3 and a pressing body 5;
the baffle 1 is respectively arranged at two ends of the pressing body 5, the stud 2 is arranged in the center of the pressing body 5 and can penetrate through the baffle 1, and the stud 2 is sleeved with a nut 3;
the thin-wall split ring part 10 to be corrected sequentially penetrates through the stud 2 and is placed into the pressing body 5, and the part is sealed in the pressing body 5 through the baffle 1.
In this embodiment, a spacer 4 is further included and is disposed between the baffle 1 and the nut 3.
In this embodiment, a through hole for the stud 2 to penetrate out is formed in the center of the baffle plate 1, and a stress hole or a stress groove is further formed in the baffle plate 1.
In this embodiment, the pressing body 5 is a cylindrical structure with openings at both ends, and the inner diameter of the pressing body 5 is equal to the outer diameter of the split ring.
In this embodiment, the stud 2 is a stud, and two ends of the stud are respectively sleeved with a nut 3.
The working principle of the structure is as follows:
during assembly, the thin-wall split ring part to be corrected sequentially penetrates through the stud 2 and is placed into the pressing body 5, the part is sealed in the pressing body 5 through the baffle 1, the gasket 4 is placed on the stud 2, the nut 3 is screwed, and the baffle 1 is pressed tightly through a wrench.
The integral hot-working shape correcting method using the thin-wall split ring part comprises the following steps:
1. receiving a part, and checking the quality and the welding seam state of the part;
2. cleaning parts and working surfaces by dipping cleaning rags in HW-105 organic cleaning solvent, and removing marks, oil stains, smudges, cuttings and the like on the surfaces of the integral hot-working shape correction tool of the parts and the thin-wall split ring parts;
3. the integral hot processing shape correcting tool and the part assembly of the thin-wall split ring part are completed, and the nut is in a pre-tightening state;
4. placing the integral hot-working shape-correcting tool of the thin-wall split ring part in a tempering furnace;
5. heating the integral hot-working shape correction tool of the thin-wall split ring part to 440 ℃, wherein the heating rate is 70 ℃/h;
6. after reaching the preset temperature, preserving heat for 1 hour, taking the whole body out of the tempering furnace, further screwing the nut by using a wrench, and then putting the nut into the tempering furnace for continuous tempering, wherein the process is rapid, and asbestos gloves and other anti-scald measures are used;
7. and (3) continuously tempering the integral hot-working shape correcting tool of the thin-wall split ring part at 440 ℃, preserving heat for 30min, taking out the integral part from the tempering furnace again, further screwing the nut by using a spanner, and then putting the nut into the tempering furnace for continuous tempering, wherein the process is rapid, and asbestos gloves and other anti-scald measures are used. Then continuing tempering for 30 min;
8. continuously cooling the thin-wall split ring part along with the furnace to 70 ℃, taking out the integral hot-working shape-correcting tool of the thin-wall split ring part, and taking out the part from the integral hot-working shape-correcting tool of the thin-wall split ring part;
9. and after the inspection is qualified, transferring the next procedure.
The tool of the embodiment can effectively control the heat treatment deformation of the thin-wall split ring part, and can perform synchronous thermal shape correction in the tempering process of heat treatment, so that the problem that the part can generate large deformation under the action of thermal stress and tissue stress in the heat treatment process is solved. The deformation of the part is controlled within the range of the finish machining and the reserved grinding amount, so that the part is qualified.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a whole hot working school shape frock of thin wall split ring part which characterized in that: comprises a baffle, a stud, a nut and a pressing body;
the baffle plates are respectively arranged at two ends of the pressing body, the stud is arranged in the center of the pressing body and can penetrate through the baffle plates, and a nut is sleeved on the stud;
and the thin-wall split ring part to be corrected sequentially penetrates through the stud to be placed into the pressing body, and the part is sealed in the pressing body by using the baffle.
2. The integral hot working sizing tool for thin-walled split-ring parts according to claim 1, wherein: the nut is arranged on the baffle plate and comprises a nut.
3. The integral hot working sizing tool for thin-walled split-ring parts according to claim 1, wherein: the center of the baffle is provided with a through hole for the stud to penetrate out, and the baffle is also provided with a stress hole or a groove.
4. The integral hot working sizing tool for thin-walled split-ring parts according to claim 1, wherein: the pressing body is of a cylindrical structure with openings at two ends, and the inner diameter of the pressing body is equal to the outer diameter of the split ring.
5. The integral hot working sizing tool for thin-walled split-ring parts according to claim 1, wherein: the stud is a double-end stud, and nuts are respectively sleeved at two ends of the stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023282306.0U CN214529166U (en) | 2020-12-30 | 2020-12-30 | Integral hot-working shape correcting tool for thin-wall split ring part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023282306.0U CN214529166U (en) | 2020-12-30 | 2020-12-30 | Integral hot-working shape correcting tool for thin-wall split ring part |
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| CN214529166U true CN214529166U (en) | 2021-10-29 |
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| CN202023282306.0U Active CN214529166U (en) | 2020-12-30 | 2020-12-30 | Integral hot-working shape correcting tool for thin-wall split ring part |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952180A (en) * | 2022-08-01 | 2022-08-30 | 陕西斯瑞新材料股份有限公司 | Method for correcting deformation of thin-wall part after vacuum brazing and application thereof |
-
2020
- 2020-12-30 CN CN202023282306.0U patent/CN214529166U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952180A (en) * | 2022-08-01 | 2022-08-30 | 陕西斯瑞新材料股份有限公司 | Method for correcting deformation of thin-wall part after vacuum brazing and application thereof |
| CN114952180B (en) * | 2022-08-01 | 2022-12-06 | 陕西斯瑞新材料股份有限公司 | Shape correction method for deformation of thin-wall part after vacuum brazing and application thereof |
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