CN2031729U - Broaching tool for trimming - Google Patents
Broaching tool for trimming Download PDFInfo
- Publication number
- CN2031729U CN2031729U CN 88204591 CN88204591U CN2031729U CN 2031729 U CN2031729 U CN 2031729U CN 88204591 CN88204591 CN 88204591 CN 88204591 U CN88204591 U CN 88204591U CN 2031729 U CN2031729 U CN 2031729U
- Authority
- CN
- China
- Prior art keywords
- broaching tool
- broaching
- cutter
- trimming
- groove
- 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.)
- Withdrawn
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Abstract
The utility model relates to a broaching tool for trimming, when the abrasion of the cutting edge of the main broach influences the geometric size accuracy of a broaching work piece, the dimension requirement of the broaching work piece is completed and guaranteed by the broaching tool for trimming. The broaching tool for trimming is composed of replaceable cutter tooth blades, a cutter body, etc., which are assembled by machines. The broaching tool for trimming is characterized in that a groove-shaped positioning mouth is arranged at the end part of the cutter body, and matching cutter teeth blades can be inserted into the groove-shaped positioning mouth; the center part of the groove-shaped positioning mouth and the cutter teeth blades is fixed at least by more than three screws. Because of the structure of the utility model, the broaching tool for trimming saves a great amount of high-quality steel products; reduces the manufacturing cost of the broaching tool, and the service life of the main broaching tool is prolonged by 5-6 times.
Description
The utility model relates to a kind of machining tool, especially for the supporting dressing tool of a kind of broaching tool of broaching workpiece.
Broaching tool is a kind of widely used efficient cutter, and is again a kind of expensive complicated cutter.In machining, be commonly used to process the through hole and the surface of different shape, though the working (machining) efficiency height also exist to be worn so that influence problem such as workpiece dimension precision.This be because, broaching tool is to cut under a kind of full closeding state, cooling fluid can not directly enter cutting region, smear metal is closed in fully in the chip pocket of between cog and can not be excluded timely, particularly for the processing of slotted hole workpiece, the cutter tooth temperature rise is accelerated and the long period can not get cooling again, therefore, cutter tooth is subjected to very big pressure and friction when work, because radiating effect is poor, not only reduced the durability of cutter tooth, and be prone to the wearing and tearing of cutter tooth both sides lands (seamed edge), cause the cutter tooth width dimensions to reduce and the situation that can't repair, thereby can not guarantee the dimensional requirement of workpiece, make broaching tool under the situation of not giving full play to its proper efficiency, just caused and scrapped.
The purpose of this utility model provides the supporting dressing tool of a kind of combined broaching.After the cutter tooth land (seamed edge) of main broaching tool is worn, finish and the geometric accuracy of the workpiece that guarantees to broach with this dressing tool, thereby make main broaching tool can give full play to its due usefulness, increase the service life, enhance productivity, reduce and make the cost of charp tool.
Realize that the scheme that the purpose of this utility model is taked is: this cutter is to constitute the combined type broaching tool by cutter hub and interchangeable cutter tooth sheet.Be characterized in having groove shape positioning port, the cutter tooth sheet that matches with it be inserted in this notch, and connect with fastening by screw at the rear of cutter hub.The length of this cutter tooth sheet is 1/3～1/5 of cutter hub length, and the scope of revising size generally is selected in about 0.3mm, if increase the scope of revising size, can reach with the rise per tooth that changes the broaching tool workpiece.The cutter tooth sheet can also be made the interchangeable cutter tooth sheet of some different sizes, along with the variation of the main broaching tool width degree of wear, can change the cutter tooth sheet that adapts at any time and finishes processing tasks.Cutter hub then can repeatedly use.For saving the high-quality steel, the material of cutter hub can adopt general structural carbon steel.
The supporting dressing tool of broaching that adopts such scheme to make, its production technology is simple.And can save high-quality steel that province makes cutter hub in a large number and worker the time, not only reduced the manufacturing cost of cutter, but also improved 5～6 times of service lifes of main broaching tool.
Described in the following accompanying drawing is to be the embodiment of a kind of supporting dressing tool of broaching of example with single strong keyway broach.
Fig. 1 is a front view of the present utility model;
Fig. 2 is an attached view of the present utility model.
In Fig. 1 and Fig. 2, label (1) is a cutter hub, cutter hub is provided with and is used for being installed on the broaching tool shank (a) that broaching machine collet transmits broaching power, the rear of cutter hub is the groove shape positioning port (3) that is used for clamping knife edge gear piece (2), in order to improve positioning accuracy, what present embodiment adopted is the locate mode of dovetail groove, cutter tooth sheet (2) made with the corresponding shape of groove shape positioning port be inserted in the notch, it is fastening that cutter tooth sheet (2) and the cooperation centre of cutter hub (1) use the screw (4) more than three to be connected at least, be respectively equipped with along the two sides on groove shape positioning port (3) plane be used for reconditioning cutter tooth sheet (2) and with the corresponding sharpening groove of its cutter tooth teeth groove (5).The cutter of cutter tooth rises and arranges size and determine the work tooth and proofread and correct tooth is to manufacture according to known method.Also can manufacture the supporting finishing broaching tool of the bigger spline of diameter by this kind scheme.
Claims (4)
1, the supporting dressing tool of a kind of broaching, form by cutter hub and cutter tooth, it is characterized in that: the rear at cutter hub (1) has groove shape positioning port (3), and cutter tooth sheet (2) is inserted in the notch of cutter hub (1), and cutter tooth sheet (2) is connected with the securing member more than three at least with the matching part of cutter hub (1).
2, the supporting dressing tool of broaching according to claim 1 is characterized in that: the length of cutter tooth sheet (2) is 1/3～1/5 of cutter hub (1) length.
3, the supporting dressing tool of broaching according to claim 1 is characterized in that: what groove shape positioning port (3) adopted is the form of dovetail groove.
4, the supporting dressing tool of broaching according to claim 1 is characterized in that: the material of cutter hub (1) can adopt general structural steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88204591 CN2031729U (en) | 1988-04-16 | 1988-04-16 | Broaching tool for trimming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88204591 CN2031729U (en) | 1988-04-16 | 1988-04-16 | Broaching tool for trimming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2031729U true CN2031729U (en) | 1989-02-01 |
Family
ID=4839165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88204591 Withdrawn CN2031729U (en) | 1988-04-16 | 1988-04-16 | Broaching tool for trimming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2031729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112074367A (en) * | 2018-04-13 | 2020-12-11 | 埃金公司 | Broach for broaching machine |
-
1988
- 1988-04-16 CN CN 88204591 patent/CN2031729U/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112074367A (en) * | 2018-04-13 | 2020-12-11 | 埃金公司 | Broach for broaching machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |