CN201015806Y - Elastic shock-absorbing column pin type locating fixture - Google Patents
Elastic shock-absorbing column pin type locating fixture Download PDFInfo
- Publication number
- CN201015806Y CN201015806Y CNU2007201064646U CN200720106464U CN201015806Y CN 201015806 Y CN201015806 Y CN 201015806Y CN U2007201064646 U CNU2007201064646 U CN U2007201064646U CN 200720106464 U CN200720106464 U CN 200720106464U CN 201015806 Y CN201015806 Y CN 201015806Y
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- elastic shock
- model
- column pin
- utility
- reference column
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Abstract
The utility model relates to a fixure for gear hobbing, in particular to an elastic shock-absorbing pin type positioning fixture which is provided with a trap position pin plate. A plurality of pin plates are arranged inside the positioning fixture, and a spring is respectively arranged at the end of the position pin plate. The utility model has the characters that the utility model can effectively reduce vibration in rolling cut and assure the product with precise pitch circle, and the utility model endorses the product with great surface smooth. Besides, the utility model is convenient in operation and reasonable in structure.
Description
Technical field
The utility model relates to a kind of cutting hobbing frock, especially relates to a kind of elastic shock attenuation pin-type load positioning tool that is provided with notch cuttype reference column pin block.
Background technology
Along with the quick progress of manufacturing technology, various drive unit and control device also are showing improvement or progress day by day.Yet, present stage transferring power and the mechanical organ of motion in, gear is still one of most common components.It is applied in the transmission of various power widely, for example be, the transmission of big power such as boats and ships, automobile, aircraft, or the transmission of the power of large-scale facility such as heavy facility, machining facility, and even employed electrical home appliances, wrist-watch small-sized machine or electronic equipment etc. all can be seen the example that gear is used in the daily life.
Existing market Gear Processing equipment commonly used is gear-hobbing machine, in actual manufacture process, thereby because the end face run-out that trembles, is processed to form that rolling cut produces causes the gear hobbing error, can't guarantee its product pitch circle positional precision and profile of tooth, tooth alignment error.
For example number of patent application is 93237964.8 gear machining equipment, comprises body, roll, pressure head, and roll is vertically installed and is evenly distributed on the circumference, and each roll is with speed, rotation in the same way, and profile is same gear shape.Though its processing unit (plant) can shorten the man-hour of Gear Processing, the technological deficiency of trembling that still exists rolling cut to be easy to generate causes error easily, can't guarantee product pitch circle positional precision.
Summary of the invention
The utility model mainly be tremble at being prone in the existing in prior technology rolling cut, tooth base end face run-out is big, can't guarantee product pitch circle positional precision, product surface fineness is poor, the technical problem of operation inconvenience, complex structure etc., provide a kind of and can reduce effectively that rolling cut trembles, can guarantee that product pitch circle positional precision, product surface fineness are good, is convenient to operate, elastic shock attenuation pin-type load positioning tool rational in infrastructure.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: be provided with several reference column pin blocks in the positioning tool body, reference column pin block end is respectively arranged with spring.Be provided with several cavitys in the frock body, be provided with a reference column pin block in each cavity, reference column pin block end is respectively arranged with spring.
As preferably, the stepped side that is distributed in the frock body of described several reference column pin blocks.Effectively reduce rolling cut and trembled, guaranteed the positioning accuracy of workpiece when gear hobbing.
As preferably, described spring end is respectively arranged with the body jackscrew.The body jackscrew is fixed in the frock body by screw, plays spacing and fixing effect.
As preferably, described frock body end is provided with collet.Collet is fixed on machine tool chief axis and connects the frock body end, plays the effect of fixing tool, and is rational in infrastructure.
As preferably, described reference column pin block is cylindric, and its cross-sectional diameter is the positioning tool that 2mm-8mm can manufacture the different size size according to different product needed.
Therefore, the utlity model has and to reduce effectively that rolling cut trembles, can guarantee that product pitch circle positional precision, product surface fineness are good, is convenient to operation, characteristics such as rational in infrastructure; Especially can effectively reduce rolling cut trembles, can guarantee that product pitch circle positional precision, product surface fineness are good, is convenient to operation.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1:
Be provided with six cavitys in the columniform frock body 1, be provided with a reference column pin block 2 in each cavity, the end of each reference column pin block is respectively arranged with spring 3, and the other end of each spring is provided with a body jackscrew 4 respectively, and the body jackscrew is fixed in the frock body by screw.Frock body end one side is provided with a collet 5, and collet is against frock body one side; Six stepped sides that are distributed in the frock body of reference column pin block, the reference column pin block is cylindric, and its cross-sectional diameter should be 3mm.
When installing and using, the frock body is fixed on the centre with top the cooperation with the gear workpiece, and in the pushing process of gear side surface of workpiece, six reference column pin blocks advance to the spring compression direction respectively, and spring is to after-contraction.When the gear side surface of workpiece all was adjacent to six reference column pin blocks, collet carried out cutting hobbing and gets final product after clamping.
Claims (5)
1. elastic shock attenuation pin-type load positioning tool, the frock body was fixed the gear workpiece with top the cooperation, it is characterized in that being provided with several reference column pin blocks (2) in the described positioning tool body (1), and reference column pin block end is respectively arranged with spring (3).
2. elastic shock attenuation pin-type load positioning tool according to claim 1 is characterized in that the stepped side that is distributed in the frock body of described several reference column pin blocks.
3. elastic shock attenuation pin-type load positioning tool according to claim 1 and 2 is characterized in that described spring end is respectively arranged with body jackscrew (4).
4. elastic shock attenuation pin-type load positioning tool according to claim 1 and 2 is characterized in that described frock body end is provided with collet (5).
5. elastic shock attenuation pin-type load positioning tool according to claim 1 and 2 is characterized in that described reference column pin block is cylindric, and its cross-sectional diameter is 2mm---8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201064646U CN201015806Y (en) | 2007-02-12 | 2007-02-12 | Elastic shock-absorbing column pin type locating fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201064646U CN201015806Y (en) | 2007-02-12 | 2007-02-12 | Elastic shock-absorbing column pin type locating fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201015806Y true CN201015806Y (en) | 2008-02-06 |
Family
ID=39056285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201064646U Expired - Fee Related CN201015806Y (en) | 2007-02-12 | 2007-02-12 | Elastic shock-absorbing column pin type locating fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201015806Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380775A (en) * | 2011-09-14 | 2012-03-21 | 常州常瑞天力动力机械有限公司 | Self-positioning compression fixture |
-
2007
- 2007-02-12 CN CNU2007201064646U patent/CN201015806Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380775A (en) * | 2011-09-14 | 2012-03-21 | 常州常瑞天力动力机械有限公司 | Self-positioning compression fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080206 Termination date: 20100212 |