CN205653481U - Gear shaft quenching frock - Google Patents
Gear shaft quenching frock Download PDFInfo
- Publication number
- CN205653481U CN205653481U CN201620486952.3U CN201620486952U CN205653481U CN 205653481 U CN205653481 U CN 205653481U CN 201620486952 U CN201620486952 U CN 201620486952U CN 205653481 U CN205653481 U CN 205653481U
- Authority
- CN
- China
- Prior art keywords
- gear shaft
- upper frame
- underframe
- roof
- rack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a gear shaft quenching frock in the gear shaft processing field, including chassis, roof -rack and four support columns, the chassis is rectangular plate shaped, and the center of chassis upper end is equipped with the location nail, the roof -rack is located the top of support column, and the roof -rack is the profile size rectangular plate shaped the same with the chassis, and the center of roof -rack is equipped with the locating hole, four support column vertical fixed connection respectively is in on four angles of chassis upper end, the top of four support columns is connected respectively on four angles of roof -rack lower extreme, the side of roof -rack and chassis all is equipped with the through -hole of horizontal direction. This scheme can prevent that the gear shaft from quenching with man -hour because the effect of high temperature and dead weight and produce the deformation, can make up the use as required when carrying out thermal treatment to the gear shaft of single or little batch, is suitable for more to process with the gear shaft thermal treatment of little batches such as single or several.
Description
Technical field
This utility model relates to gear shaft manufacture field, is specifically related to a kind of gear shaft quenching frock.
Background technology
During manufacturing automobile gear axle, heat treatment is necessary operation.In order to improve the surface abrasion resistance of gear shaft, fatigue strength, heart portion obdurability etc., generally use carburizing and quenching, its widespread practice is as follows: is lifted by gear shaft and heats into heat-treatment furnace, then to heat-treatment furnace heating and thermal insulation a period of time, finally take out part to quench, for making the metallographic austenitizing of gear shaft, it usually needs heating and thermal insulation a period of time.Owing to using the mode of lifting to add in heat-treatment furnace by gear shaft, the gear shaft of long shaft-like is progressively longer by the effect of own wt (owing to heating-up temperature is high and temperature retention time is long, the intensity of gear shaft is greatly reduced under high temperature action, phenomenon elongated under own wt effect is the most obvious), after length, the diameter of axle of relative length inner gear shaft diminishes, anti-bending strength reduces, deformation it is easily bent during quenching, and owing to driving shaft diameter is the biggest, want whole through hardening, need higher than common hardening heat, when thus causing quenching, deformation is bigger, do not reach precision prescribed, affect following process.
And the existing heat treatment to gear shaft generally uses the Large-scale Hoisting frock of integral type, this frock is often made up of larger-size steel beam column, and capacity is big, weight is big, bulky, is not suitable for the single or gear shaft heat treatment of small lot.
Utility model content
This utility model is intended to provide a kind of gear shaft quenching frock, to prevent gear shaft to be deformed when quenching, it is adaptable to the single or gear shaft heat treatment process of small lot.
For reaching above-mentioned purpose, basic technology scheme of the present utility model is as follows: a kind of gear shaft quenching frock, including underframe, upper frame and four support columns, described underframe is rectangular plate-like, and the center of underframe upper end is provided with locating pin；Described upper frame is positioned at the top of support column, and upper frame is the rectangular plate-like that profile size is identical with underframe, and the middle part of upper frame is provided with hole, location；Four described support columns are the most vertically fixedly connected on four angles of described underframe upper end, and the top of four support columns is connected on four angles of upper frame lower end；The side of described upper frame and underframe is equipped with the through hole of horizontal direction.
Principle and the advantage of this programme be: during actual application, shaft forgings is in order to carry out centralized positioning and origin reference location generally at the center positioning hole that end processing is axial, the gear shaft that needs carry out quenching is mounted vertically in frock, locating pin on underframe coordinates with the center positioning hole of gear shaft end, and the bottom of gear shaft is carried out centralized positioning.The hole, location that the upper end of gear shaft is positioned on upper frame, uses the upper frame with hole, different size diameter location, the hole wall in hole, location can prevent gear shaft lateral tilt according to the diameter of gear shaft.When quenching, underframe provides for gear shaft and supports, and prevents hoisting process middle gear axle to be elongated and deformed under Gravitative Loads.The side of upper frame and underframe arranges the through hole of horizontal direction, multiple frocks can be placed side by side when so needing that multiple gear shafts are carried out heat treatment, then multiple tooling combinations are formed the assembled tool that multiple gear shafts can carry out heat treatment simultaneously by the form by wearing long pole in through-holes together, carry out during the gear shaft heat treatment process of the small lot such as single or several convenient, substantial amounts of manpower and materials need not be expended become originally to use large-scale batch processing frock, more cost-effective, it is more suitable for the single or gear shaft heat treatment process of small lot.
To sum up, this programme can prevent gear shaft to be deformed due to high temperature and the effect of deadweight man-hour carrying out quenching adding, can be combined as required when single or small lot gear shaft is carried out heat treatment using, more be suitable for and the gear shaft heat treatment process of the small lot such as single or several.
Preferred version one, based on a kind of improvement of scheme, the top side detachable of described upper frame connects hanger.Arranging hanger conveniently to lift frock, dismountable connection makes hanger can select according to actual needs to use.
Preferred version two, preferably a kind of improvement of, described support column is one-body molded on underframe, and described support column is detachably connected on upper frame.Support column and underframe integrated formed structure globality are more preferable, and support column and upper frame removably connect and conveniently change the upper frame with hole, different size location according to different size of gear shaft, and the scope of application is bigger.
Preferred version three, preferably a kind of improvement of two, described locating pin is cone.So arrange and a lot of different size of gear shaft center positioning holes all can be coordinated, applied widely, convenient to the location of the gear shaft of different size center positioning hole.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment.
Detailed description of the invention
Below by detailed description of the invention, this utility model is described in further detail:
Reference in Figure of description includes: underframe 1, support column 2, top board 3, locating pin 4, porus excretorius 5, through hole 6, location hole 7, hanger 8.
Embodiment is the most as shown in Figure 1: a kind of gear shaft quenching frock, including underframe 1, upper frame and four support columns 2, the rectangular slab that described underframe 1 is made for mild steel, the central integral of underframe 1 upper end forms locating pin 4, locating pin 4 is coniform, a lot of different size of gear shaft center positioning holes 7 all can be coordinated, applied widely, convenient to the location of the gear shaft of different size center positioning hole 7.Base plate outside locating pin 4 is provided with multiple vertical porus excretorius 5, and porus excretorius 5 is used for getting rid of hardening media.Described upper frame is positioned at the top of support column 2, and upper frame is the rectangle low carbon steel plate that profile size is identical with underframe 1, and the middle part of upper frame is provided with hole 7, location, and the top of upper frame is provided with screwed hole, and screwed hole female thread connects hanger 8.Arranging hanger 8 conveniently to lift frock, dismountable connection makes hanger 8 can select according to actual needs to use.Four described support columns 2 are the most one-body molded on four angles of described underframe 1 upper end, and the top of four support columns 2 is threaded on four angles of upper frame lower end respectively.Support column 2 and underframe 1 integrated formed structure globality are more preferable, and support column 2 and upper frame are threaded, and the convenient upper frame positioning hole 7 according to the replacing of different size of gear shaft with different size, the scope of application is bigger.The inside of described upper frame and underframe 1 is equipped with four through holes 6 paralleled respectively with four sides, and each side of upper frame and underframe 1 all only has two through holes being located in the same horizontal plane 6.
In the present embodiment, during actual application, shaft forgings is in order to carry out centralized positioning and origin reference location generally at the center positioning hole 7 that end processing is axial, the gear shaft that needs carry out quenching is mounted vertically in frock, locating pin 4 on underframe 1 coordinates with the center positioning hole 7 of gear shaft end, and the bottom of gear shaft is carried out centralized positioning.The hole, location 7 that the upper end of gear shaft is positioned on upper frame, uses the upper frame with hole 7, different size diameter location, the hole wall in hole 7, location can prevent gear shaft lateral tilt according to the diameter of gear shaft.When quenching, underframe 1 is that gear shaft provides and supports, and prevents hoisting process middle gear axle to be elongated and deformed under Gravitative Loads, by hanger 8, frock integral hoisting is carried out heat treatment, underframe 1 that mild steel is made and support column 2.The side of upper frame and underframe 1 arranges the through hole 6 of horizontal direction, multiple frocks can be placed side by side when so needing that multiple gear shafts are carried out heat treatment, then multiple tooling combinations are formed the assembled tool that multiple gear shafts can carry out heat treatment simultaneously by the form by wearing long pole in through hole 6 together, carry out during the gear shaft heat treatment process of the small lot such as single or several convenient, substantial amounts of manpower and materials need not be expended become originally to use large-scale batch processing frock, more cost-effective, it is more suitable for the single or gear shaft heat treatment process of small lot.
Above-described is only embodiment of the present utility model, and in scheme, the known general knowledge such as concrete structure and/or characteristic too much describes at this.Should be understood that; for a person skilled in the art, on the premise of without departing from this utility model structure, it is also possible to make some deformation and improvement; these also should be considered as protection domain of the present utility model, and these are all without affecting effect and the practical applicability that this utility model is implemented.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. records the content that may be used for explaining claim.
Claims (4)
1. a gear shaft quenching frock, it is characterised in that including underframe, upper frame and four support columns, described underframe is rectangular plate-like, and the center of underframe upper end is provided with locating pin；Described upper frame is positioned at the top of support column, and upper frame is the rectangular plate-like that profile size is identical with underframe, and the middle part of upper frame is provided with hole, location；Four described support columns are the most vertically fixedly connected on four angles of described underframe upper end, and the top of four support columns is connected on four angles of upper frame lower end；The side of described upper frame and underframe is equipped with the through hole of horizontal direction.
Gear shaft the most according to claim 1 quenching frock, it is characterised in that: the top side detachable of described upper frame connects hanger.
Gear shaft the most according to claim 2 quenching frock, it is characterised in that: described support column is one-body molded on underframe, and described support column is detachably connected on upper frame.
Gear shaft the most according to claim 3 quenching frock, it is characterised in that: described locating pin is cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620486952.3U CN205653481U (en) | 2016-05-25 | 2016-05-25 | Gear shaft quenching frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620486952.3U CN205653481U (en) | 2016-05-25 | 2016-05-25 | Gear shaft quenching frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205653481U true CN205653481U (en) | 2016-10-19 |
Family
ID=57404448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620486952.3U Expired - Fee Related CN205653481U (en) | 2016-05-25 | 2016-05-25 | Gear shaft quenching frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205653481U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485075A (en) * | 2020-04-30 | 2020-08-04 | 四川联茂机械制造有限公司 | Straight shaft positioning tool |
| CN113416824A (en) * | 2021-06-02 | 2021-09-21 | 重庆南雁实业集团龙剑机械制造有限公司 | Gearbox gear shaft quenching tool |
-
2016
- 2016-05-25 CN CN201620486952.3U patent/CN205653481U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485075A (en) * | 2020-04-30 | 2020-08-04 | 四川联茂机械制造有限公司 | Straight shaft positioning tool |
| CN113416824A (en) * | 2021-06-02 | 2021-09-21 | 重庆南雁实业集团龙剑机械制造有限公司 | Gearbox gear shaft quenching tool |
| CN113416824B (en) * | 2021-06-02 | 2022-09-13 | 重庆南雁实业集团龙剑机械制造有限公司 | Gearbox gear shaft quenching tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 Termination date: 20180525 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |