CN220970980U - End face driving base of vertical hard rolling machine tool - Google Patents
End face driving base of vertical hard rolling machine tool Download PDFInfo
- Publication number
- CN220970980U CN220970980U CN202322408182.3U CN202322408182U CN220970980U CN 220970980 U CN220970980 U CN 220970980U CN 202322408182 U CN202322408182 U CN 202322408182U CN 220970980 U CN220970980 U CN 220970980U
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- face
- center
- end cover
- apexes
- steering gear
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- 238000005096 rolling process Methods 0.000 title claims abstract description 18
- 238000003754 machining Methods 0.000 abstract description 15
- 238000005520 cutting process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 108091006146 Channels Proteins 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Gears, Cams (AREA)
Abstract
The utility model relates to the technical field of automobile part machining, in particular to a vertical hard rolling machine tool end face driving base which comprises a lower end cover, end face apexes, lower apexes and base connecting pieces, wherein the lower apexes and a plurality of end face apexes are arranged at the top of the lower end cover, the upper end parts of the lower apexes and the plurality of end face apexes are higher than the top face of the lower end cover, the base connecting pieces are arranged in the lower end cover, and the lower ends of the plurality of end face apexes are inserted into connecting holes of the base connecting pieces. Compared with the prior art, the end face center and the lower center are arranged on the lower end cover, the end face center surrounds the periphery of the lower center, and when the steering gear is placed on the lower center, the end face center is pressed into the lower end face of the steering gear to fix a part, so that slipping in the machining process is avoided, and the stability and the output efficiency in the machining engineering are ensured; the end face center, the lower end cover and the lower center are of split type structures, so that the end face center easy to wear can be replaced conveniently, and the use cost is saved.
Description
Technical Field
The utility model relates to the technical field of automobile part machining, in particular to an end face driving base of a vertical hard rolling machine tool.
Background
In the machining of steering gears, hard hobbing is one of the most important sequences. Because the new types of the pinions are numerous, the modulus of some newly-added products is increased, and the precision grade requirement of the products is synchronously improved, the requirement on a driving tool is synchronously improved, and the lower base of the hard rolling machine tool plays a role in driving and positioning.
In the hard hobbing channel sequence, the traditional machining positioning mode is to drive the workpiece by propping up the central hole of the workpiece by the upper and lower tips, and when the modulus of the machined part is increased and the tooth depth is deepened, the cutting force in the machining process of the hard hobbing is increased. The existing double-top tool has the defects that the driving force is insufficient to cause slipping in the part machining process, so that the tooth profile is out of tolerance, normal production is affected, and the center is easy to be stressed and worn.
Therefore, it is necessary to design a vertical hard-rolling machine end-face driving base to prevent the parts from slipping during the machining process and to quickly replace the fragile end-face center.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a vertical hard-rolling machine tool end face driving base, so that parts are prevented from slipping in the machining process, and the fragile end face center can be quickly replaced.
In order to achieve the above purpose, the utility model provides a vertical hard rolling machine tool end face driving base, which comprises a lower end cover, end face centers, a lower center and base connecting pieces, wherein the top of the lower end cover is provided with the lower center and a plurality of end face centers, the upper end parts of the lower center and the plurality of end face centers are higher than the top surface of the lower end cover, the base connecting pieces are arranged in the lower end cover, the lower ends of the plurality of end face centers are inserted into connecting holes of the base connecting pieces, the lower center is positioned in the center of the lower end cover, and the plurality of end face centers encircle the periphery of the lower center.
The bottom of the lower end cover is connected with a hard rolling machine tool.
The hard rolling cutter of the hard rolling machine tool is propped against the side surface of the steering gear, the upper center is propped against the upper end of the steering gear, the lower center is propped against the lower end of the steering gear, and the end surface center is pressed into the lower end surface of the steering gear.
The lower end cover is provided with a shell.
The number of the end face center is six.
The outer side of the lower end of the end face center is provided with an anti-rotation interface, and a connecting hole of the base connecting piece is provided with an anti-rotation structure matched with the anti-rotation interface.
The upper end part of the end face center is provided with a driving part blade.
The inner side of the upper end of the end face center is provided with a groove, the upper end of the lower center is provided with a boss, and the boss abuts against the groove.
The upper end of the lower center is provided with a threaded hole.
Compared with the prior art, the end face center and the lower center are arranged on the lower end cover, the end face center surrounds the periphery of the lower center, and when the steering gear is placed on the lower center, the end face center is pressed into the lower end face of the steering gear to fix a part, so that slipping in the machining process is avoided, and the stability and the output efficiency in the machining engineering are ensured; the end face center, the lower end cover and the lower center are of split type structures, so that the end face center easy to wear can be replaced conveniently, and the use cost is saved.
Drawings
Fig. 1 is an isometric view of the present utility model.
Fig. 2 is a sectional view showing a use state of the present utility model.
Fig. 3 is a schematic view of an end point of the present utility model.
Fig. 4 is a schematic view of the lower tip of the present utility model.
Description of the embodiments
The utility model will now be further described with reference to the accompanying drawings.
Referring to fig. 1, the utility model relates to an end face driving base of a vertical hard rolling machine tool, which comprises a lower end cover, end face apexes, lower apexes and base connecting pieces, wherein the top of the lower end cover 43 is provided with the lower apexes 42 and a plurality of end face apexes 41, the upper end parts of the lower apexes 42 and the plurality of end face apexes 41 are higher than the top surface of the lower end cover 43, the inside of the lower end cover 43 is provided with the base connecting piece 45, the lower ends of the plurality of end face apexes 41 are inserted into the connecting holes of the base connecting piece 45, the lower apexes 42 are positioned in the center of the lower end cover 43, and the plurality of end face apexes 41 encircle the lower apexes 42.
The bottom of the lower end cap 43 is connected to the hard roll machine 5. The hard rolling hob 3 of the hard rolling machine 5 is propped against the side surface of the steering gear 2, the upper center 1 is propped against the upper end of the steering gear 2, the lower center 42 is propped against the lower end of the steering gear 2, and the end surface center 41 is pressed into the lower end surface of the steering gear 2. The steering gear 2 is fixed by the end face center 41, so that slipping in the machining process is avoided.
The lower end cap 43 is externally provided with a housing 44.
Preferably, the end points 41 are six.
Referring to fig. 3, an anti-rotation port 411 is disposed at the outer side of the lower end of the end face center 41, a connection hole of the base connection piece 45 is provided with an anti-rotation structure matched with the anti-rotation port 411, and the anti-rotation port 411 and the anti-rotation structure are used for fixing the end face center 41 and preventing the end face center 41 from rotating and slipping. The upper end of the end face center 41 is provided with a driving part blade 412 so as to drive the steering gear 2 to rotate for processing.
Referring to fig. 3 and 4, a groove 413 is formed in the inner side of the upper end of the end face center 41, a boss 421 is formed in the upper end of the lower center 42, the boss 421 abuts against the groove 413, the end face center 41 is prevented from moving and rotating, and positioning accuracy and reliability are guaranteed.
The upper end of the lower tip 42 is provided with a threaded hole 422 to facilitate connection of the lower tip 42 with the chest expander.
Referring to fig. 2, when the steering gear 2 to be processed is placed on the lower center 1 by a manipulator, the lower end face of the steering gear 2 does not touch the end face center 41, the lower center 41 plays a role in pre-positioning the steering gear 2, at this time, the upper center 1 is pressed down, meanwhile, the manipulator loosens the steering gear 2, the steering gear 2 is pressed down along with the upper center 1, the end face center 41 is clamped with the lower end face of the steering gear 2 in a contact manner, after the pressure reaches a set value, the upper center 1 stops pressing down, at the moment, the steering gear 2 is completely driven by the end face center 41 in a positioning manner, the steering gear 2 is driven to rotate, and the purpose of hard rolling cutting is achieved, so that slipping is completely avoided.
The end face center 41, the lower end cover 43 and the lower center 42 are of split type structures, if a certain end face center 41 is worn, the worn end face center 41 can be independently replaced, other parts of the driving base are not required to be replaced, and the use cost is saved.
When the end face center 41 is replaced each time, the screw is screwed into the threaded hole 422 of the lower center 42, the lower center 41 is taken out by a chest expander, and the worn end face center 41 can be replaced, so that the effect of quick replacement is achieved.
According to the utility model, the end face center and the lower center are arranged on the lower end cover, the end face center surrounds the periphery of the lower center, when the steering gear is placed on the lower center, the end face center is pressed into the lower end face of the steering gear to fix a part, so that slipping in the machining process is avoided, and the stability and the output efficiency in the machining engineering are ensured; the end face center, the lower end cover and the lower center are of split type structures, so that the end face center easy to wear can be replaced conveniently, and the use cost is saved.
Claims (9)
1. The utility model provides a vertical hard lathe terminal surface drive base, includes bottom end cover, terminal surface top, bottom center, base connecting piece, its characterized in that: the top of lower end cover (43) is equipped with down top (42) and a plurality of terminal surface top (41), and the upper end tip of down top (42) and a plurality of terminal surface top (41) is higher than the top surface of lower end cover (43), and lower end cover (43) inside is equipped with base connecting piece (45), and the connecting hole of base connecting piece (45) is inserted to the lower extreme of a plurality of terminal surface top (41), and lower top (42) are located the center of lower end cover (43), and a plurality of terminal surface top (41) encircle around lower top (42).
2. The vertical hard roll machine end face driving base according to claim 1, wherein: the bottom of the lower end cover (43) is connected with a hard rolling machine tool (5).
3. The vertical hard roll machine end face driving base according to claim 2, wherein: the hard rolling hob (3) of the hard rolling machine tool (5) is propped against the side surface of the steering gear (2), the upper tip (1) is propped against the upper end of the steering gear (2), the lower tip (42) is propped against the lower end of the steering gear (2), and the end face tip (41) is pressed into the lower end face of the steering gear (2).
4. The vertical hard roll machine end face driving base according to claim 1, wherein: the lower end cover (43) is externally provided with a shell (44).
5. The vertical hard roll machine end face driving base according to claim 1, wherein: the number of the end face center (41) is six.
6. The vertical hard roll machine end face driving base according to claim 1, wherein: the outer side of the lower end of the end face center (41) is provided with an anti-switching opening (411), and a connecting hole of the base connecting piece (45) is provided with an anti-switching structure matched with the anti-switching opening (411).
7. The vertical hard roll machine end face driving base according to claim 6, wherein: the upper end part of the end face center (41) is provided with a driving part blade (412).
8. The vertical hard roll machine end face driving base according to claim 6, wherein: the inner side of the upper end of the end face center (41) is provided with a groove (413), the upper end of the lower center (42) is provided with a boss (421), and the boss (421) abuts against the groove (413).
9. The vertical hard roll machine end face driving base according to claim 1, wherein: the upper end of the lower center (42) is provided with a threaded hole (422).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322408182.3U CN220970980U (en) | 2023-09-06 | 2023-09-06 | End face driving base of vertical hard rolling machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322408182.3U CN220970980U (en) | 2023-09-06 | 2023-09-06 | End face driving base of vertical hard rolling machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220970980U true CN220970980U (en) | 2024-05-17 |
Family
ID=91055964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322408182.3U Active CN220970980U (en) | 2023-09-06 | 2023-09-06 | End face driving base of vertical hard rolling machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220970980U (en) |
-
2023
- 2023-09-06 CN CN202322408182.3U patent/CN220970980U/en active Active
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