CN204546312U - A kind of elongated carburizing and quenching axial workpiece ball blast frock - Google Patents
A kind of elongated carburizing and quenching axial workpiece ball blast frock Download PDFInfo
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- CN204546312U CN204546312U CN201520190674.2U CN201520190674U CN204546312U CN 204546312 U CN204546312 U CN 204546312U CN 201520190674 U CN201520190674 U CN 201520190674U CN 204546312 U CN204546312 U CN 204546312U
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- supporting leg
- frock
- ball blast
- hole
- axial workpiece
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Abstract
The utility model relates to a kind of shot-blasting tool, especially a kind of elongated carburizing and quenching axial workpiece ball blast frock.A kind of elongated carburizing and quenching axial workpiece ball blast frock, comprise gripper shoe and telescopic supporting leg, described supporting leg vertical welding is in the back side of gripper shoe, the height of supporting leg accounts for 75% of axle journal height under axial workpiece teeth portion, described gripper shoe offers the through hole that some axial workpieces penetrate, the hole centre-to-centre spacing of described through hole is 1 ~ 1.5 times of shaft diameter.The beneficial effects of the utility model are: realize homogenising throwing pill strengthening object; Clamped one time, ball blast processing capacity is large, reduces manufacturing cost; Frock can overlap combination ball blast more, places quantity according to gear shaft quantity adjustment frock; Appropriate through hole centre-to-centre spacing distance can realize maximum clamping amount, ensures uniformity enhancement purpose simultaneously; Guarantee that axle is vertically stablized, guarantee that teeth portion lower end strengthening effect is identical with upper end simultaneously.
Description
Technical field
The utility model relates to a kind of shot-blasting tool, especially a kind of elongated carburizing and quenching axial workpiece ball blast frock.
Background technology
Gear part, usual employing carburizing and quenching technique, must carry out throwing pill strengthening process after heat treatment, especially thin and long shafts, common ball blast mode is for lying low, stand up throwing another side after ball blast one side, this kind of ball blast mode shortcoming is that axle class teeth portion throwing pill strengthening effect is uneven, and maximum residual stress reaches 600MPa, minimum residual compressive stress only 300MPa, teeth portion residual stress deviation is at 300MPa, and time-consuming, and production cost is higher.The residual compressive stress of gear shaft life-span and teeth portion distributes closely related, and uniform distribution of the compressive stress is conducive to the service life of improving gear shaft.
Utility model content
The technical problems to be solved in the utility model is: based on the problems referred to above, provides a kind of and reduces production cost, realize even throwing pill strengthening, realize the elongated carburizing and quenching axial workpiece ball blast frock of maximum loading.
The utility model solves the technical scheme that its technical problem adopts: a kind of elongated carburizing and quenching axial workpiece ball blast frock, comprise gripper shoe and telescopic supporting leg, described supporting leg vertical welding is in the back side of gripper shoe, the height of supporting leg accounts for 75% of axle journal height under axial workpiece teeth portion, described gripper shoe offers the through hole that some axial workpieces penetrate, the hole centre-to-centre spacing of described through hole is 1 ~ 1.5 times of shaft diameter.When hole centre-to-centre spacing is 1 ~ 1.5 times of shaft diameter, appropriate distance can realize maximum clamping amount, ensures uniformity enhancement purpose simultaneously.
Further, the interior supporting leg that described supporting leg comprises outer supporting leg and moves up and down in supporting leg outside, described interior supporting leg is fixed by alignment pin and outer supporting leg.Such design, height of landing leg is adjustable, guarantees that the height of supporting leg accounts for 75% of axle journal height under axial workpiece teeth portion.The ratio of 75% can guarantee that axle is vertically stablized, and guarantees that teeth portion lower end strengthening effect is identical with upper end simultaneously.
Further, lining is provided with in described through hole.When processing thinner axial workpiece, add lining, ensure that the hole centre-to-centre spacing of through hole is 1 ~ 1.5 times of shaft diameter, frock still can be used.
The beneficial effects of the utility model are:
1. realize homogenising throwing pill strengthening object.
2. clamped one time, ball blast processing capacity is large, reduces manufacturing cost.
3. frock can overlap combination ball blast more, places quantity according to gear shaft quantity adjustment frock.
4. when through hole centre-to-centre spacing is 1 ~ 1.5 times of shaft diameter, appropriate distance can realize maximum clamping amount, ensures uniformity enhancement purpose simultaneously.
5. the ratio that steel pipe height accounts for 75%, 75% of axle journal height under teeth portion can guarantee that axle is vertically stablized, and guarantees that teeth portion lower end strengthening effect is identical with upper end simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is plane of the present utility model.
Fig. 3 is the partial structurtes schematic diagram of supporting leg in the utility model.
Fig. 4 is the partial structurtes schematic diagram of gripper shoe in the utility model.
In figure: 1. gripper shoe, 2. supporting leg, 3. alignment pin, 4. through hole, 5. lining, 21. outer supporting legs, supporting leg in 22..
Detailed description of the invention
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Fig. 1 ~ 2, a kind of elongated carburizing and quenching axial workpiece ball blast frock, comprise gripper shoe 1 and telescopic supporting leg 2, supporting leg 2 vertical welding is in the back side of gripper shoe 1, the interior supporting leg 22 that supporting leg 2 comprises outer supporting leg 21 and moves up and down in supporting leg 21 outside, interior supporting leg 22 is fixed by alignment pin 3 and outer supporting leg 21, the height of supporting leg 2 accounts for 75% of axle journal height under axial workpiece teeth portion, gripper shoe 1 offers the through hole 4 that some axial workpieces penetrate, the hole centre-to-centre spacing of through hole 4 is 1 ~ 1.5 times of shaft diameter, is provided with lining 5 in through hole 4.
When through hole 4 centre-to-centre spacing is 1.35 times of shaft diameter, through practice, the object of even throwing pill strengthening can be realized, and can maximum loading be realized, carry out axial X stress mornitoring to the axle class teeth portion after ball blast, residual compressive stress is at 550 ~ 600MPa, and stress value deviation is within 50MPa.
During work, first insert in frock through hole 4 by the axle of axial workpiece, winch on shot-blasting machine after fully loaded by frock and part, start ball blast program, frock rotates along with the ball blast platform rotated, and is hung out by axle during ball blast EP (end of program).
Frock can overlap combination ball blast more, places quantity according to gear shaft quantity adjustment frock.Example: the shot-blasting machine of 3 rice diameters, can place at most 4 shot-blasting tools, realize the ball blast processing capacity of 64 gear shafts.
For the gear shaft part of different-diameter size, be the principle that shaft diameter 1.35 times and supporting leg 2 highly account for axle journal height 75% under teeth portion according to through hole 4 centre-to-centre spacing, can by regulating supporting leg 2 height or adding the shot-blasting tool that lining 5 realizes different size.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on description, must determine its technical scope according to right.
Claims (3)
1. an elongated carburizing and quenching axial workpiece ball blast frock, it is characterized in that: comprise gripper shoe (1) and telescopic supporting leg (2), described supporting leg (2) vertical welding is in the back side of gripper shoe (1), the height of supporting leg (2) accounts for 75% of axle journal height under axial workpiece teeth portion, described gripper shoe (1) offers the through hole (4) that some axial workpieces penetrate, the hole centre-to-centre spacing of described through hole (4) is 1 ~ 1.5 times of shaft diameter.
2. one according to claim 1 elongated carburizing and quenching axial workpiece ball blast frock, it is characterized in that: the interior supporting leg (22) that described supporting leg (2) comprises outer supporting leg (21) and moves up and down in supporting leg (21) outside, described interior supporting leg (22) is fixed by alignment pin (3) and outer supporting leg (21).
3. one according to claim 1 elongated carburizing and quenching axial workpiece ball blast frock, is characterized in that: be provided with lining (5) in described through hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520190674.2U CN204546312U (en) | 2015-03-31 | 2015-03-31 | A kind of elongated carburizing and quenching axial workpiece ball blast frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520190674.2U CN204546312U (en) | 2015-03-31 | 2015-03-31 | A kind of elongated carburizing and quenching axial workpiece ball blast frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204546312U true CN204546312U (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520190674.2U Active CN204546312U (en) | 2015-03-31 | 2015-03-31 | A kind of elongated carburizing and quenching axial workpiece ball blast frock |
Country Status (1)
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| CN (1) | CN204546312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105274468A (en) * | 2015-12-03 | 2016-01-27 | 中国南方航空工业(集团)有限公司 | Nitridation frame for clamping long shaft parts |
-
2015
- 2015-03-31 CN CN201520190674.2U patent/CN204546312U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105274468A (en) * | 2015-12-03 | 2016-01-27 | 中国南方航空工业(集团)有限公司 | Nitridation frame for clamping long shaft parts |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |