CN202943282U - Hard alloy cutter - Google Patents
Hard alloy cutter Download PDFInfo
- Publication number
- CN202943282U CN202943282U CN 201220568866 CN201220568866U CN202943282U CN 202943282 U CN202943282 U CN 202943282U CN 201220568866 CN201220568866 CN 201220568866 CN 201220568866 U CN201220568866 U CN 201220568866U CN 202943282 U CN202943282 U CN 202943282U
- Authority
- CN
- China
- Prior art keywords
- blade
- cutter
- hard alloy
- knife bar
- bolt hole
- 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 - Lifetime
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Abstract
The utility model discloses a hard alloy cutter which comprises a cutter blade and a cutter bar. A cutter groove is formed in the cutter bar. The cutter blade is arranged in the cutter groove. The edge portion of the cutter blade is arranged outside a sideline of the cutter groove. At least two first bolt holes are formed in the cutter blade. A second bolt hole is formed in the cutter groove. The second bolt hole is correspondingly formed below one first bolt hole which is close to the edge portion. The cutter blade and the cutter bar are connected through bolts. The line of centers of the first bolt holes is perpendicular to the length direction of the cutter bar. The hard alloy cutter has the advantages of being long in service life, and the cutter bar of the hard alloy cutter can be reused.
Description
Technical field
The utility model relates to a kind of cutter of lathe processing use, is specifically related to a kind of hard alloy cutter.
Background technology
Carbide alloy has the advantages such as hardness is high, wear-resistant, is widely used in the lathe tool.In existing cutter, adopt brazed shank tool more, the cutter groove namely is set on knife bar, blade is welded on the cutter groove, realize that blade fixes.The welding of blade and knife bar need to be carried out under hot conditions, and blade is inner easily to be produced crystalline fracture and performance is destroyed, and the welding position of blade is easily come off, burst etc.; And due to high-temperature soldering, reduced the wearability of blade, the service life of blade is short.Blade and knife bar are welded to connect, and make blade corresponding one by one with knife bar, and after blade abrasion can not use to a certain extent, knife bar can not reuse equally as waste product, thereby have increased the cost of lathe processing.
The utility model content
The purpose of this utility model is to overcome above shortcoming, and a kind of hard alloy cutter is provided, and the blade of this cutter has long service life, the function that the knife bar of cutter can reuse.
The technical solution of the utility model is:
A kind of hard alloy cutter, comprise blade and knife bar, be provided with the cutter groove on described knife bar, described blade is arranged on described cutter groove, and the blade of described blade is arranged on outside described cutter trough rim line, and at least two the first bolts hole are set on described blade, be provided with the second bolt hole on described cutter groove, described the second bolt hole correspondence is arranged on below the first bolt hole of close blade, and described blade and knife bar are bolted, and the line of centres of described the first bolt hole is perpendicular to the length direction of described knife bar.
Further, the center distance of adjacent two described the first bolts hole is more than or equal to the vertical range of described blade to described cutter trough rim line.
Further, be arranged on the center of described blade near the first bolt hole of described blade.
Further, described bolt is dormant bolt.
Further, the diameter of described the second bolt hole is 2-4mm.
Further, the form fit of described blade and cutter groove.
The hard alloy cutter that the utility model provides compared with prior art, has following advantage:
1, the hard alloy cutter that provides of the utility model, the long service life of blade.The hard alloy cutter that the utility model provides, at least two the first bolts hole are set on blade, be provided with the second bolt hole on the cutter groove, and the second bolt hole correspondence is arranged on below the first bolt hole of close blade, blade and knife bar are bolted, and the line of centres of the first bolt hole is perpendicular to the length direction of knife bar.Blade and knife bar are bolted, and compared with prior art, being connected under the normal temperature state of blade and knife bar carried out, can not change the blade internal crystal structure, the wearability of blade is unaffected, and blade the phenomenon such as can not burst, and extended the service life of blade.
Be provided with at least two the first bolts hole on blade, and the line of centres of bolt hole is perpendicular to the length direction of knife bar, after the blade of blade may wear to a certain degree, can moving blade, blade is connected by other bolts hole with knife bar, thereby can blade reface, blade is repeatedly used, further extended the service life of blade.
2, the hard alloy cutter that provides of the utility model, knife bar can reuse, and economizes on resources.The hard alloy cutter that the utility model provides, the connected mode of blade and knife bar is with bolts, after blade abrasion is changed to needs, dismantles connecting bolt, new blade is connected on knife bar get final product, and knife bar is reused, and has saved resource.
3, the hard alloy cutter that provides of the utility model can reduce the processing cost of lathe.The hard alloy cutter that the utility model provides, because service life of blade extends, and knife bar can be reused, and adds man-hour at lathe, can reduce the use amount of blade, knife bar, thereby can reduce the processing cost of lathe.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, during the below will describe embodiment, the accompanying drawing of required use is done to introduce simply, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the lever structure schematic diagram of the utility model hard alloy cutter;
Fig. 2 is the structural representation of the utility model hard alloy cutter;
Reference numeral: 1-knife bar, 2-cutter groove, 3-blade, 4-the first bolt hole, 5-the second bolt hole, 6-bolt, 7-blade.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The specific embodiment
In conjunction with Fig. 1, Fig. 2, a kind of hard alloy cutter, comprise blade 3 and knife bar 1, be provided with cutter groove 2 on knife bar 1, blade 3 is arranged on cutter groove 2, the blade 7 of blade is arranged on outside cutter trough rim line, at least two the first bolts hole 4 are set on blade, are provided with the second bolt hole 5, the second bolt hole 5 correspondences on the cutter groove and are arranged on the first bolt hole 4 belows near blade, blade 3 is connected with knife bar by bolt 6 connections, and the line of centres of the first bolt hole 4 is perpendicular to the length direction of knife bar.
Blade and knife bar are bolted, and compared with prior art, being connected under the normal temperature state of blade and knife bar carried out, can not change the blade internal crystal structure, the wearability of blade is unaffected, and blade the phenomenon such as can not burst, and extended the service life of blade.
Be provided with at least two the first bolts hole 4 on blade, and the line of centres of the first bolt hole is perpendicular to the length direction of knife bar, after the blade of blade may wear to a certain degree, can moving blade, make it the position that rear first bolt hole 4 moves to first bolt hole, it is connected with the second bolt hole, realizes that blade is connected with bolt between knife bar.After blade moves outward, can blade reface, blade is reused, the like, can realize the repeatedly recycling of blade, further extended the service life of blade.
The connected mode of blade and knife bar is with bolts, after blade abrasion is changed to needs, dismantles connecting bolt, new blade is connected on knife bar get final product, and knife bar is reused, and has saved resource.
Because service life of blade extends, and knife bar can be reused, and adds man-hour at lathe, can reduce the use amount of blade, knife bar, thereby can reduce the processing cost of lathe.
In the present embodiment, the center distance of adjacent two the first bolts hole 4 is more than or equal to the vertical range of blade 7 to cutter trough rim line, make size that blade moves more than or equal to the size of blade 7 wearing and tearing outward, facilitate the blade operation of refacing, and the blade after refacing is easy to use.
In the present embodiment, be arranged on the center of blade 3 near the first bolt hole 4 of blade, a plurality of bolts hole are set after this bolt hole.Be arranged on the center of blade 3 near the first bolt hole 4 of blade, can guarantee blade through after repeatedly wearing and tearing are refaced again, the position of the first bolt hole is not at blade, thus the anti-wear performance of assurance blade.
Preferably, bolt 6 is dormant bolt, facilitates blade to be connected with the bolt of knife bar.
In the present embodiment, the diameter of the second bolt hole is 2-4mm, and a plurality of the first bolts hole can be set on blade, thereby realizes repeatedly refacing of blade.
In the present embodiment, the form fit of blade 3 and cutter groove 2 makes blade and cutter groove fixing more firm, and good looking appearance.
The hard alloy cutter that the utility model provides, service life of blade extends, and knife bar can be reused, thereby can reduce the processing cost of lathe.
The above is only preferred embodiment of the present utility model, not in order to limiting the utility model, all any modifications of doing, is equal to replacement etc., within all should being included in protection domain of the present utility model in protection domain of the present utility model.
Claims (6)
1. hard alloy cutter, comprise blade and knife bar, be provided with the cutter groove on described knife bar, described blade is arranged on described cutter groove, the blade of described blade is arranged on outside described cutter trough rim line, it is characterized in that, at least two the first bolts hole are set on described blade, be provided with the second bolt hole on described cutter groove, described the second bolt hole correspondence is arranged on below the first bolt hole of close blade, described blade and knife bar are bolted, and the line of centres of described the first bolt hole is perpendicular to the length direction of described knife bar.
2. hard alloy cutter according to claim 1, is characterized in that, the center distance of adjacent two described the first bolts hole is more than or equal to the vertical range of described blade to described cutter trough rim line.
3. hard alloy cutter according to claim 2, is characterized in that, described bolt is dormant bolt.
4. the described hard alloy cutter of any one according to claim 1 to 3, is characterized in that, is arranged on the center of described blade near the first bolt hole of described blade.
5. hard alloy cutter according to claim 4, is characterized in that, the diameter of described the second bolt hole is 2-4mm.
6. hard alloy cutter according to claim 5, is characterized in that, the form fit of described blade and cutter groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220568866 CN202943282U (en) | 2012-10-31 | 2012-10-31 | Hard alloy cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220568866 CN202943282U (en) | 2012-10-31 | 2012-10-31 | Hard alloy cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202943282U true CN202943282U (en) | 2013-05-22 |
Family
ID=48418997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220568866 Expired - Lifetime CN202943282U (en) | 2012-10-31 | 2012-10-31 | Hard alloy cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202943282U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028790A (en) * | 2014-06-24 | 2014-09-10 | 芜湖求精紧固件有限公司 | Cutting knife |
| CN109986126A (en) * | 2019-02-27 | 2019-07-09 | 荣基工业科技（江苏）有限公司 | A kind of broaching machine cutting tool |
-
2012
- 2012-10-31 CN CN 201220568866 patent/CN202943282U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028790A (en) * | 2014-06-24 | 2014-09-10 | 芜湖求精紧固件有限公司 | Cutting knife |
| CN109986126A (en) * | 2019-02-27 | 2019-07-09 | 荣基工业科技（江苏）有限公司 | A kind of broaching machine cutting tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130522 |
|
| CX01 | Expiry of patent term |