CN202684197U - Circular hole broaching tool - Google Patents
Circular hole broaching tool Download PDFInfo
- Publication number
- CN202684197U CN202684197U CN 201220230626 CN201220230626U CN202684197U CN 202684197 U CN202684197 U CN 202684197U CN 201220230626 CN201220230626 CN 201220230626 CN 201220230626 U CN201220230626 U CN 201220230626U CN 202684197 U CN202684197 U CN 202684197U
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- CN
- China
- Prior art keywords
- circular hole
- teeth
- tooth
- cutting
- broaching tool
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- 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
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- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The utility model discloses a circular hole broaching tool which comprises a cylindrical broaching tool body, wherein the broaching tool body is sequentially provided with a clamping part, a front guide part, a cutting part and a rear guide part from front to back; the cutting part is sequentially provided with circular hole cutting teeth, circular hole fine cutting teeth and circular hole calibration teeth from front to back; the circular hole cutting teeth and the circular hole fine cutting teeth are both of wheel cutting type structures; the circular hole calibration teeth are of layered structures; the rise per tooth of the circular hole cutting teeth is 0.15 to 0.23mm; the rise per tooth of the circular hole fine cutting teeth is 0.07 to 0.011mm; the rise per tooth of the circular hole calibration teeth is 0.006 to 0.010mm; and circular hole cutting tooth chip accommodating slots, circular hole fine cutting tooth chip accommodating slots and circular hole calibration tooth chip accommodating slots are of lengthened tooth pitch type. Compared with the prior art, the circular hole broaching tool can execute rough hole processing and fine hole processing at one time and is extremely high in production efficiency and relatively high in circular hole processing precision; and cost can be effectively reduced.
Description
Technical field
The utility model relates to a kind of broaching tool, especially a kind of broaching tool for the processing circular hole.
Background technology
Original circular hole processing method is boring-bore hole-fraising-grinding out, complex procedures and unstable product quality.
So, need a kind of new circular hole processing unit (plant) to address the above problem.
The utility model content
Goal of the invention: the purpose of this utility model is for the unsettled deficiency of circular hole manufacturing procedure complexity and quality in the prior art, and a kind of precision height, efficient round broach high and with low cost are provided.
Technical scheme: for achieving the above object, round broach of the present utility model can adopt following technical scheme:
A kind of round broach, comprise columniform broaching tool body, be disposed with from front to back clamping part on the described broaching tool body, front guide part, cutting portion and rear guide part, described cutting portion is disposed with the circular hole cutting teeth from front to back, circular hole finishing tooth and circular hole finishing teeth, described circular hole cutting teeth and circular hole finishing tooth are wheel cut structure, described circular hole finishing teeth is hierachical structure, the rise per tooth of described circular hole cutting teeth is 0.15-0.23mm, the rise per tooth of described circular hole finishing tooth is 0.07-0.011mm, the rise per tooth of described circular hole finishing teeth is 0.006-0.010mm, circular hole cutting teeth chip pocket, circular hole finishing tooth chip pocket and circular hole finishing teeth chip pocket are the tooth pitch type that lengthens.
Beneficial effect: compare with background technology, can disposablely finish the processing of thick, smart hole with round broach processing circular hole of the present utility model, have very high production efficiency, the circular hole precision of processing is higher, and can effectively reduce cost.
Description of drawings
Fig. 1 is the front view of the utility model round broach.
Fig. 2 be the utility model round broach A-A place cutaway view.
Fig. 3 be the utility model round broach B-B place cutaway view.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment only is used for explanation the utility model and is not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
See also shown in Figure 2, round broach of the present utility model, comprise columniform broaching tool body, be disposed with from front to back clamping part 1, front guide part 2, cutting portion 3 and rear guide part 4 on the broaching tool body, cutting portion 3 is disposed with circular hole cutting teeth 31, circular hole finishing tooth 32 and circular hole finishing teeth 33 from front to back.Wherein, circular hole cutting teeth 31 and circular hole finishing tooth 32 are wheel cut structure, circular hole finishing teeth 33 is hierachical structure, the rise per tooth of circular hole cutting teeth 31 is 0.15-0.23mm, the rise per tooth of circular hole finishing tooth 32 is 0.07-0.011mm, the rise per tooth of circular hole finishing teeth 33 is 0.006-0.010mm, and circular hole cutting teeth chip pocket, circular hole finishing tooth chip pocket and circular hole finishing teeth chip pocket are the tooth pitch type that lengthens.Front guide part 2 is truncated cone-shaped.Wherein round platform has axis and bus, and the axis of round platform and the angle of bus are 5 degree.The broaching tool body can be hollow.Front guide part 2 and cutting portion 3 are provided with guiding gutter, and the import of guiding gutter is arranged between clamping part 1 and the front guide part 2, and the outlet of guiding gutter is separately positioned on circular hole cutting teeth 31, circular hole finishing tooth 32 and the circular hole finishing teeth 33 of cutting portion 3.The two ends of broaching tool body are provided with centre bore.Conveniently assemble and disassemble.
As mentioned above, round broach of the present utility model compared with prior art can disposablely be finished the processing of thick, smart hole with round broach processing circular hole of the present utility model, has very high production efficiency, and the circular hole precision of processing is higher, and can effectively reduce cost.
Claims (6)
1. round broach, comprise columniform broaching tool body, described broaching tool body is disposed with clamping part (1) from front to back, front guide part (2), cutting portion (3) and rear guide part (4), it is characterized in that, described cutting portion is disposed with circular hole cutting teeth (31) from front to back, circular hole finishing tooth (32) and circular hole finishing teeth (33), described circular hole cutting teeth (31) and circular hole finishing tooth (32) are wheel cut structure, described circular hole finishing teeth (33) is hierachical structure, the rise per tooth of described circular hole cutting teeth (31) is 0.15-0.23mm, the rise per tooth of described circular hole finishing tooth (32) is 0.07-0.011mm, the rise per tooth of described circular hole finishing teeth (33) is 0.006-0.010mm, circular hole cutting teeth chip pocket, circular hole finishing tooth chip pocket and circular hole finishing teeth chip pocket are the tooth pitch type that lengthens.
2. round broach as claimed in claim 1, it is characterized in that, described front guide part (2) and cutting portion (3) are provided with guiding gutter, the import of described guiding gutter is arranged between described clamping part (1) and the described front guide part (2), and the outlet of described guiding gutter is separately positioned on circular hole cutting teeth (31), circular hole finishing tooth (32) and the circular hole finishing teeth (33) of cutting portion (3).
3. round broach as claimed in claim 1 is characterized in that, described front guide part (2) is truncated cone-shaped.
4. round broach as claimed in claim 3 is characterized in that, described truncated cone-shaped has axis and bus, and the angle of described axis and bus is 5 degree.
5. round broach as claimed in claim 1 is characterized in that, described broaching tool body is hollow.
6. round broach as claimed in claim 1 is characterized in that, the two ends of described broaching tool body are provided with centre bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220230626 CN202684197U (en) | 2012-05-22 | 2012-05-22 | Circular hole broaching tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220230626 CN202684197U (en) | 2012-05-22 | 2012-05-22 | Circular hole broaching tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202684197U true CN202684197U (en) | 2013-01-23 |
Family
ID=47539868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220230626 Expired - Fee Related CN202684197U (en) | 2012-05-22 | 2012-05-22 | Circular hole broaching tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202684197U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668663A (en) * | 2015-01-21 | 2015-06-03 | 杭州福朗机电科技有限公司 | Reamer for machining coupler bolt hole |
| CN107042341A (en) * | 2017-04-28 | 2017-08-15 | 何朋飞 | A kind of Gear Processing production is special with the high gear-broach machine for holding bits amount broaching tool |
-
2012
- 2012-05-22 CN CN 201220230626 patent/CN202684197U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668663A (en) * | 2015-01-21 | 2015-06-03 | 杭州福朗机电科技有限公司 | Reamer for machining coupler bolt hole |
| CN107042341A (en) * | 2017-04-28 | 2017-08-15 | 何朋飞 | A kind of Gear Processing production is special with the high gear-broach machine for holding bits amount broaching tool |
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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 |
Granted publication date: 20130123 Termination date: 20150522 |
|
| EXPY | Termination of patent right or utility model |