CN211661254U - Hobbing internal expansion tool of high-speed numerical control gear hobbing machine for automobile gear - Google Patents
Hobbing internal expansion tool of high-speed numerical control gear hobbing machine for automobile gear Download PDFInfo
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- CN211661254U CN211661254U CN201921948245.1U CN201921948245U CN211661254U CN 211661254 U CN211661254 U CN 211661254U CN 201921948245 U CN201921948245 U CN 201921948245U CN 211661254 U CN211661254 U CN 211661254U
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Abstract
The utility model discloses a high-speed numerical control gear hobbing machine hobbing internal expanding frock of car gear, including the location base, location spring housing and location base, location spring housing one end has the reference column, the other end is the fixing base, the location aperture has been seted up on the location base, it establishes on the location spring housing to treat that processing gear product cover, the location base is installed in the left side of location spring housing, the location base sets up carries out the location support between location base and location spring housing, left location base moves right and compresses tightly through the left end face of waiting to process the gear product and treats the processing gear, the reference column of location spring housing gets into the downthehole location clamping that realizes fixing a position of location base. In this way, the utility model discloses zero clearance when high-speed numerical control gear hobbing machine hobbing internal expanding frock of car gear adopts the location spring housing structure to fix a position and utilizes little interference fit to realize fixing a position, and positioning accuracy is high, and the clamping that can be fast simultaneously improves machining efficiency, and low in manufacturing cost, and manufacturing cycle is short.
Description
Technical Field
The utility model relates to a gear machining technical field especially relates to a frock that rises in high-speed numerical control gear hobbing machine hobbing of car gear.
Background
Aiming at the requirements of quality stability and high efficiency in the manufacturing process of the automobile gear, a novel hobbing tool which is high in positioning precision, capable of being clamped quickly, low in manufacturing cost and short in manufacturing period needs to be designed in the hobbing process.
Currently, the existing mainstream gear hobbing tool has three types: a mandrel type positioning tool, a steel ball sleeve type self-centering gear hobbing tool and an expansion sleeve type tool.
The mandrel type positioning tool has the defects that a gap is formed between the positioning shaft and an inner hole of a product, and the gap cannot be completely eliminated; the steel ball sleeve type self-centering gear hobbing tool has the defects that automatic feeding and discharging processing cannot be used, and the application range is not wide; the expansion sleeve type tool has the defects of high manufacturing cost, long manufacturing period, incapability of quickly preparing samples and incapability of meeting the requirements of clients on delivery periods.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a frock that rises in high-speed numerical control gear hobbing machine hobbing of car gear adopts location spring housing structure to fix a position and utilizes little interference fit, zero clearance when realizing the location, and positioning accuracy is high, and clamping fast can improve machining efficiency simultaneously, and low in manufacturing cost, manufacturing cycle is short.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a frock rises in high-speed numerical control gear hobbing machine hobbing of car gear includes: the positioning base, location spring housing and location base, the one end of location spring housing has the reference column, the other end is the fixing base, the location aperture has been seted up to positioning base and reference column complex one end, treat that the processing gear product cover is established on the positioning spring housing, the left side at the positioning spring housing is installed to the positioning base, the positioning base sets up and fixes a position the support between positioning base and location spring housing, left positioning base moves right and compresses tightly the processing gear through the left end face of treating the processing gear product, the reference column of positioning spring housing gets into the downthehole realization location clamping in the location aperture of positioning base.
In a preferred embodiment of the present invention, one end of the positioning base is connected to the fixing base of the positioning spring housing through a screw, the other end of the positioning base is connected to the right side of the positioning base through a screw, and the left side of the positioning base is locked and fixed by a positioning pin.
In a preferred embodiment of the present invention, the positioning base is further provided with a screw for locking and positioning the gear product to be processed.
In a preferred embodiment of the present invention, the positioning spring housing is in interference fit with the small diameter of the positioning spline of the gear product to be processed, and the interference is 0-0.005.
In a preferred embodiment of the present invention, the positioning post on the top of the positioning spring housing is in clearance fit with the positioning hole in the positioning base.
In a preferred embodiment of the present invention, the gear hobbing machine further comprises a gear hobbing machine base and a gear hobbing machine tool post installed on the gear hobbing machine base, wherein the gear hobbing machine tool internal expanding tool is fixed on the gear hobbing machine tool post, and the gear product to be processed, which is completed by clamping, is processed through the gear hobbing machine.
The utility model has the advantages that: the utility model discloses high-speed numerical control gear hobbing machine hobbing internal expanding frock of car gear adopts the location spring housing structure to fix a position and utilizes little interference fit, zero clearance when realizing the location, and positioning accuracy is high, and clamping fast can improve machining efficiency simultaneously, and low in manufacturing cost, and manufacturing cycle is short.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of a hobbing internal expansion tool of a high-speed numerical control gear hobbing machine for automobile gears according to the present invention;
FIG. 2 is a schematic structural view of a preferred embodiment of a positioning spring sleeve in the hobbing internal-expanding tooling of the high-speed numerical control gear hobbing machine for the automobile gear of the present invention;
the parts in the drawings are numbered as follows: 100. the positioning device comprises a positioning base, 110, a positioning small hole, 200, a positioning spring sleeve, 210, a positioning column, 220, a fixing base, 300, a positioning base, 400, a screw, 500, a positioning pin, 600, a hobbing cutter base, 700, a hobbing cutter holder, 800 and a hobbing cutter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1 to 2, an embodiment of the present invention includes:
the utility model provides a frock rises in high-speed numerical control gear hobbing machine hobbing of car gear, includes: the positioning base 100, the positioning spring housing 200 mounted on the positioning base 100, and the positioning base 300 supported between the positioning base 100 and the positioning spring housing 200.
One end of the positioning spring housing 200 has a positioning column 210, the other end is a fixing base 220, a positioning small hole 110 is formed at the end of the positioning base 100 matched with the positioning column 210, and the positioning spring housing 200 enters the positioning small hole 110 of the positioning base 100 through the positioning column 210. The positioning post 210 at the top of the positioning spring housing 200 is in clearance fit with the positioning hole 110 in the positioning base 100.
The gear product to be machined is sleeved on the positioning spring sleeve 200, the positioning spring sleeve 200 is in interference fit with the small diameter of the positioning spline of the gear product to be machined, the interference magnitude is 0-0.005, no gap exists basically, the gap error is eliminated, and the clamping is simple and reliable.
The positioning base 100 is installed on the left side of the positioning spring housing 200, and the positioning base 300 is disposed between the positioning base 100 and the positioning spring housing 200 for positioning support.
Furthermore, one end of the positioning base 300 is locked and connected with the fixing seat 220 of the positioning spring housing 200 through a screw 400, the other end of the positioning base 300 is locked and connected with the right side of the positioning base 100 through a screw 400, and the left side of the positioning base 100 is locked and fixed through a positioning pin 500.
The positioning base 300 is also provided with a screw 400 for locking and positioning a gear product to be processed, so that the stability of clamping is ensured.
The left positioning base 100 moves rightwards to press the gear to be machined through the left end face of the gear product to be machined, and the positioning column 210 of the positioning spring sleeve 200 enters the positioning small hole 110 of the positioning base 100 to realize positioning and clamping.
The fixture comprises a hobbing cutter base 600 and a hobbing cutter holder 700 arranged on the hobbing cutter base 600, the integral hobbing internal expansion fixture of the high-speed numerical control hobbing machine for the automobile gear is fixed on the hobbing cutter holder 700, and a gear product to be processed after clamping is processed through the hobbing cutter 800.
The utility model discloses the work process of the high-speed numerical control gear hobbing machine gear hobbing internal expanding frock of car gear is:
firstly, a gear product to be machined is placed on a positioning column 210 of a positioning spring sleeve 200 through a manipulator, the positioning spring sleeve 200 is in interference fit with a small-diameter end of a positioning spline of the product, the interference magnitude is 0-0.005, no gap exists basically, the gap error is eliminated, and the clamping is simple and reliable;
the positioning column 210 of the positioning spring sleeve 200 is arranged in the positioning small hole 110 of the positioning base 100, and the positioning base 300 is arranged at the same time;
the left positioning base 100 moves rightwards, a workpiece is pressed through the left end face of a product, and meanwhile, the top end of the positioning spring sleeve 200 enters the positioning small hole 110 of the left positioning base 100, is in clearance fit and has an auxiliary supporting function;
the clamping preparation is completed, and the hobbing cutter 800 on the hobbing cutter holder 700 can be used for hobbing.
The utility model discloses the beneficial effect of the high-speed numerical control gear hobbing machine gear hobbing internal expanding frock of car gear is:
the positioning spring sleeve structure is adopted for positioning, small interference fit is utilized, no clearance is generated during positioning, the positioning precision is high, meanwhile, the clamping can be carried out quickly, the machining efficiency is improved, the manufacturing cost is low, and the manufacturing period is short.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (6)
1. The utility model provides a frock that rises in high-speed numerical control gear hobbing machine hobbing of car gear which characterized in that includes: a positioning base, a positioning spring sleeve and a positioning base,
one end of the positioning spring sleeve is provided with a positioning column, the other end is a fixed seat, one end of the positioning base matched with the positioning column is provided with a positioning small hole,
the gear product to be processed is sleeved on the positioning spring sleeve, the positioning base is arranged at the left side of the positioning spring sleeve, the positioning base is arranged between the positioning base and the positioning spring sleeve for positioning and supporting,
the left positioning base moves rightwards to press the gear to be machined through the left end face of the gear product to be machined, and the positioning column of the positioning spring sleeve enters the positioning small hole of the positioning base to achieve positioning and clamping.
2. The hobbing internal expanding tooling of the high-speed numerical control gear hobbing machine for the automobile gear according to claim 1, wherein one end of the positioning base is in locking connection with a fixed seat of the positioning spring sleeve through a screw, the other end of the positioning base is in locking connection with the right side of the positioning base through a screw, and the left side of the positioning base is locked and fixed through a positioning pin.
3. The tool for internally expanding the hobbing of the high-speed numerical control hobbing machine for the automobile gear according to claim 1, wherein a screw is further mounted on the positioning base to lock and position a gear product to be machined.
4. The hobbing internal expansion tool of the automobile gear high-speed numerical control hobbing machine according to claim 1, wherein the positioning spring sleeve is in interference fit with a small diameter of a positioning spline of a gear product to be machined, and the interference magnitude is 0-0.005.
5. The hobbing internal expanding tool for the high-speed numerical control gear hobbing machine for the automobile gear as claimed in claim 1, wherein a positioning column at the top end of the positioning spring sleeve is in clearance fit with a positioning small hole in the positioning base.
6. The tool for hobbing and internal expanding of the high-speed numerical control hobbing machine for the automobile gear according to any one of claims 1 to 5, characterized by further comprising a hobbing cutter base and a hobbing cutter holder installed on the hobbing cutter base,
and the hobbing internal expansion tool of the hobbing machine is fixed on the hobbing cutter holder, and the clamped gear product to be processed is processed through the hobbing cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921948245.1U CN211661254U (en) | 2019-11-13 | 2019-11-13 | Hobbing internal expansion tool of high-speed numerical control gear hobbing machine for automobile gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921948245.1U CN211661254U (en) | 2019-11-13 | 2019-11-13 | Hobbing internal expansion tool of high-speed numerical control gear hobbing machine for automobile gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211661254U true CN211661254U (en) | 2020-10-13 |
Family
ID=72732361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921948245.1U Active CN211661254U (en) | 2019-11-13 | 2019-11-13 | Hobbing internal expansion tool of high-speed numerical control gear hobbing machine for automobile gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211661254U (en) |
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2019
- 2019-11-13 CN CN201921948245.1U patent/CN211661254U/en active Active
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