CN203356774U - Hobbing mandrel - Google Patents
Hobbing mandrel Download PDFInfo
- Publication number
- CN203356774U CN203356774U CN 201320432531 CN201320432531U CN203356774U CN 203356774 U CN203356774 U CN 203356774U CN 201320432531 CN201320432531 CN 201320432531 CN 201320432531 U CN201320432531 U CN 201320432531U CN 203356774 U CN203356774 U CN 203356774U
- Authority
- CN
- China
- Prior art keywords
- section
- gear hobbing
- hobbing mandrel
- workpiece
- spacing
- 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
Links
- 238000010276 construction Methods 0.000 claims description 22
- 241000283220 Odobenus rosmarus Species 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 238000003825 pressing Methods 0.000 description 7
- 239000012141 concentrate Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
Abstract
The utility model discloses a hobbing mandrel. A conical segment and a workpiece mounting segment are arranged on the hobbing mandrel, one side, away from the workpiece mounting segment, of the conical segment is provided with a limiting threaded segment, a limiting tool withdrawal groove is formed between the conical segment and the limiting threaded segment, and right angle chamfering is performed at the connected end portion of the limiting threaded segment and the limiting tool withdrawal groove. According to the hobbing mandrel, due to the fact that the limiting tool withdrawal groove is formed between the conical segment and the limiting threaded segment, machining of the hobbing mandrel is more convenient to perform, stress concentration at the connected position of the limiting threaded segment and the conical segment is avoided, the strength of the hobbing mandrel is good, and hobbing accuracy is improved.
Description
Technical field
the utility model belongs to the gear machining technology field, is specifically related to a kind of gear hobbing mandrel.
Background technology
gear-hobbing machine is most widely used a kind of lathe in gear cutting machine, and machinable straight-tooth, helical teeth, Cylinder Gear on gear-hobbing machine, can also process turbine, sprocket wheel etc.During manufacturing gear for hobbing machine, clamping workpiece need be fixed on mandrel, be processed by hobboing cutter.
chinese utility model patent CN202963669U discloses a kind of fixture for gear teeth, comprise the combination of gear hobbing mandrel and the combination of top pressing plate, described gear hobbing mandrel combination comprises gear hobbing mandrel and Connection Block, described Connection Block is provided with cone-type piercer, described gear hobbing mandrel is provided with conical section, the conical section of described gear hobbing mandrel is set in the cone-type piercer of described Connection Block, and described Connection Block is extended at the two ends of gear hobbing mandrel; Described top pressing plate combination comprises pressing plate and top, described pressing plate is provided with the level perforation, a described top end is set in the level perforation of described pressing plate, the periphery of described pressing plate is provided with screwed hole, described top periphery is provided with a circle groove, the cross section of this groove is circular arc, and corresponding with the perforation of described pressing plate.The utility model can be saved the time that the assistant pulls rotary nut, greatly reduces operator's physical demands, realizes smoothly the lean production scheme of people's multimachine.But directly right angle transition between the straight section of the conical section of this utility model and its side, be difficult for processing and the easy stress in junction and concentrate, and gear hobbing mandrel intensity difference, affect the gear hobbing precision.
Summary of the invention
the utility model purpose is to provide a kind of easy processing, and intensity is high, and the gear hobbing mandrel of gear hobbing precision is provided.
for achieving the above object, the technical solution adopted in the utility model is: a kind of gear hobbing mandrel, which is provided with conical section and workpiece construction section, a side away from described workpiece construction section of described conical section is provided with spacing thread segment, be provided with spacing escape between described conical section and spacing thread segment, and the end chamfer that is connected with spacing escape of described spacing thread segment.By said structure, the gear hobbing mandrel is easy to process, avoids the stress of the junction of spacing thread segment and conical section to concentrate, and gear hobbing mandrel intensity is good, improves the gear hobbing precision.
wherein, described conical section is the Morse's taper section, and its taper angle is 19.002.
in technique scheme, 45 ° of right angles fall in the end that described conical section is connected with spacing escape.
in technique scheme, the length of described workpiece construction section is than the little 1 ~ 1.5mm of double-width of workpiece.
in technique scheme, the side away from described conical section of described workpiece construction section is provided with the positioning threads section, and the workpiece be sheathed on described workpiece construction section is tightly fixed on described gear hobbing mandrel by pad and the nut clip of being located on this positioning threads section.
in technique scheme, between described workpiece construction section and positioning threads section, be provided with the location escape, and described positioning threads section and the location end chamfer that is connected of escape.
in technique scheme, interference fit between described workpiece and workpiece construction section, the magnitude of interference is 0.005 ~ 0.295mm.
because technique scheme is used, the advantage that the utility model compared with prior art has is:
1. the utility model is provided with spacing escape between conical section and spacing thread segment, and the gear hobbing mandrel is easy to process, avoids the stress of the junction of spacing thread segment and conical section to concentrate, and gear hobbing mandrel intensity is good, improves the gear hobbing precision.
The accompanying drawing explanation
fig. 1 is the structural representation of the utility model embodiment mono-;
fig. 2 is the partial enlarged drawing at A place in Fig. 1;
fig. 3 is the partial enlarged drawing at B place in Fig. 1;
wherein: 1, conical section; 2, workpiece construction section; 3, spacing thread segment; 4, spacing escape; 5, workpiece; 6, positioning threads section; 7, pad; 8, nut; 9, location escape.
The specific embodiment
below in conjunction with drawings and Examples, the utility model is further described:
embodiment mono-: shown in Fig. 1 ~ 3, a kind of gear hobbing mandrel, which is provided with conical section 1 and workpiece construction section 2, the side away from described workpiece construction section 2 of described conical section 1 is provided with spacing thread segment 3, and the gear hobbing mandrel utilizes this spacing thread segment 3 to be fixed on gear-hobbing machine.
be provided with spacing escape 4 between described conical section 1 and spacing thread segment 3, and 45 ° of right angles are fallen in the end that is connected with spacing escape 4 of described spacing thread segment 3.45 ° of right angles fall in the end that described conical section 1 is connected with spacing escape 4.
in the present embodiment, described conical section 1 is the Morse's taper section, and its taper angle is 19.002.
the length of described workpiece construction section 2 is than the little 1 ~ 1.5mm of double-width of workpiece 5, thereby the gear hobbing mandrel meets the requirement of two workpiece gear hobbing simultaneously, if only need to process a workpiece, can the cushion block wide with workpiece be set in its side.
a side away from described conical section 1 of described workpiece construction section 2 is provided with positioning threads section 6, and the workpiece 5 be sheathed on described workpiece construction section 2 is fixedly clamped on described gear hobbing mandrel by pad 7 and the nut 8 of being located on this positioning threads section 6.Interference fit between described workpiece 5 and workpiece construction section 2, the magnitude of interference is 0.005 ~ 0.295mm.
be provided with location escape 9 between described workpiece construction section 2 and positioning threads section 6, and described positioning threads section 6 and the end that is connected of escape 9, location 45 ° of right angles.
the utility model is provided with spacing escape between conical section and spacing thread segment, and the gear hobbing mandrel is easy to process, avoids the stress of the junction of spacing thread segment and conical section to concentrate, and gear hobbing mandrel intensity is good, improves the gear hobbing precision.
the above is preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvement or replacement, these improvement or replacement also should be considered as protection domain of the present utility model.
Claims (7)
1. a gear hobbing mandrel, which is provided with conical section (1) and workpiece construction section (2), it is characterized in that: the side away from described workpiece construction section (2) of described conical section (1) is provided with spacing thread segment (3), be provided with spacing escape (4) between described conical section (1) and spacing thread segment (3), and the end chamfer that is connected with spacing escape (4) of described spacing thread segment (3).
2. gear hobbing mandrel according to claim 1 is characterized in that: described conical section (1) is the Morse's taper section, and its taper angle is 19.002.
3. gear hobbing mandrel according to claim 1 and 2 is characterized in that: 45 ° of right angles fall in the end that described conical section (1) is connected with spacing escape (4).
4. gear hobbing mandrel according to claim 1, it is characterized in that: the length of described workpiece construction section (2) is than the little 1 ~ 1.5mm of double-width of workpiece (5).
5. gear hobbing mandrel according to claim 1, it is characterized in that: the side away from described conical section (1) of described workpiece construction section (2) is provided with positioning threads section (6), and the workpiece (5) be sheathed on described workpiece construction section (2) is fixedly clamped on described gear hobbing mandrel by pad (7) and the nut (8) of being located on this positioning threads section (6).
6. gear hobbing mandrel according to claim 5 is characterized in that: be provided with location escape (9) between described workpiece construction section (2) and positioning threads section (6), and described positioning threads section (6) and the end chamfer of locating escape (9) and being connected.
7. gear hobbing mandrel according to claim 5, it is characterized in that: interference fit between described workpiece (5) and workpiece construction section (2), the magnitude of interference is 0.005 ~ 0.295mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320432531 CN203356774U (en) | 2013-07-21 | 2013-07-21 | Hobbing mandrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320432531 CN203356774U (en) | 2013-07-21 | 2013-07-21 | Hobbing mandrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203356774U true CN203356774U (en) | 2013-12-25 |
Family
ID=49804595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320432531 Expired - Fee Related CN203356774U (en) | 2013-07-21 | 2013-07-21 | Hobbing mandrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203356774U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999093A (en) * | 2015-07-31 | 2015-10-28 | 梧州奥卡光学仪器有限公司 | Method for turning of converter plane |
| CN104999316A (en) * | 2015-07-31 | 2015-10-28 | 梧州奥卡光学仪器有限公司 | Clamp for plane turning of converter |
| CN105014416A (en) * | 2015-07-31 | 2015-11-04 | 梧州奥卡光学仪器有限公司 | Fixed disk finish turning fixture |
| CN106985009A (en) * | 2017-04-21 | 2017-07-28 | 成都市壹佰刀具有限公司 | A kind of five axles edged a knife on hard alloy heterodont imitate type equipment and external diameter detection method |
| CN112935422A (en) * | 2021-02-04 | 2021-06-11 | 台州格凌机械股份有限公司 | Gear turning machine and mounting fixture thereof |
-
2013
- 2013-07-21 CN CN 201320432531 patent/CN203356774U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999093A (en) * | 2015-07-31 | 2015-10-28 | 梧州奥卡光学仪器有限公司 | Method for turning of converter plane |
| CN104999316A (en) * | 2015-07-31 | 2015-10-28 | 梧州奥卡光学仪器有限公司 | Clamp for plane turning of converter |
| CN105014416A (en) * | 2015-07-31 | 2015-11-04 | 梧州奥卡光学仪器有限公司 | Fixed disk finish turning fixture |
| CN105014416B (en) * | 2015-07-31 | 2018-02-16 | 梧州奥卡光学仪器有限公司 | Price fixing lathe finish fixture |
| CN106985009A (en) * | 2017-04-21 | 2017-07-28 | 成都市壹佰刀具有限公司 | A kind of five axles edged a knife on hard alloy heterodont imitate type equipment and external diameter detection method |
| CN112935422A (en) * | 2021-02-04 | 2021-06-11 | 台州格凌机械股份有限公司 | Gear turning machine and mounting fixture thereof |
| CN112935422B (en) * | 2021-02-04 | 2022-07-26 | 台州格凌机械股份有限公司 | Gear turning machine and mounting fixture thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20160721 |