CN203738041U - Combined boring cutter - Google Patents
Combined boring cutter Download PDFInfo
- Publication number
- CN203738041U CN203738041U CN201320861232.7U CN201320861232U CN203738041U CN 203738041 U CN203738041 U CN 203738041U CN 201320861232 U CN201320861232 U CN 201320861232U CN 203738041 U CN203738041 U CN 203738041U
- Authority
- CN
- China
- Prior art keywords
- cutter
- tool section
- head
- support tool
- supporting
- 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
Landscapes
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The utility model discloses a combined boring cutter. The combined boring cutter comprises a cutter body and a cutter head, the tail of the cutter body is a cutter handle part, screw installing holes axially formed are evenly distributed in the cutter handle part in the circumferential direction, and four cutter heads are evenly fixed to the head of the cutter body in the circumferential direction. The combined boring cutter is characterized in that a supporting cutter strip is arranged between every two adjacent cutter heads, the supporting cutter strips are arranged in the axial direction of the cutter body, and the four supporting cutter strips are evenly distributed in the circumferential direction of the cutter body; the supporting cutter strips are of a cube structure, the end faces of the supporting cutter strips are flush with the end face of the head of the cutter body, the inner sides of the supporting cutter strips are embedded in an installing groove in the head of the cutter body and fixedly welded; the outer side faces of the supporting cutter strips are circular arc planes, and the outer side faces of the four supporting cutter strips are located on the same circumference. According to the combined boring cutter, the four supporting cutter strips can well support the boring cutter, the shaking degree of the boring cutter can be effectively reduced, the service life of the boring cutter can be effectively guaranteed, and the feeding speed can be greatly improved.
Description
Technical field
The utility model belongs to boring cutter field, specifically, relates in particular to a kind of for processing the combination boring cutter of logical machine 168 cylinder hole D68.
Background technology
At present, in the time of the cylinder hole of the logical machine of processing, usually adopt boring cutter to carry out bore hole, existing boring cutter comprises cutter hub and cutter head, wherein the afterbody of cutter hub is handle of a knife portion, in this handle of a knife portion, edge is circumferentially evenly equipped with the screw mounting hole of axial setting, and handle of a knife portion is connected with the main shaft of lathe by the screw being located in this screw mounting hole.Meanwhile, be circumferentially evenly equipped with four described cutter heads on the head edge of described cutter hub, boring cutter carries out bore hole by these four cutter heads.
The defect of existing boring cutter is: when bore hole, workpiece can produce certain shake, thereby causes boring cutter shake, may cause so again resonance, and then significantly shorten the service life of boring cutter; In order to ensure the service life of boring cutter, the general mode that adopts reduction feed speed at present, but can affect so again bore hole efficiency, be badly in need of solving above-mentioned technical barrier for this reason.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of combination boring cutter, and wish ensures service life and the bore hole efficiency of boring cutter.
The technical solution of the utility model is as follows: a kind of combination boring cutter, comprise cutter hub (1) and cutter head (2), wherein the afterbody of cutter hub (1) is handle of a knife portion (1a), the upper screw mounting hole (1b) along being circumferentially evenly equipped with axial setting of this handle of a knife portion (1a), and cutter hub (1) head is along being circumferentially evenly fixed with four described cutter heads (2), it is characterized in that: between adjacent two described cutter heads (2), be provided with one and support tool section (3), this support tool section is along the axial setting of described cutter hub (1), and four are supported the circumferential uniform layout of tool section (3) along cutter hub (1), described support tool section (3) is cube structure, and the end face of this support tool section is concordant with the end face of described cutter hub (1) head, and supports in the mounting groove of tool section (3) inner side embedding cutter hub (1) head, and is fixedly welded and fixed, the lateral surface of described support tool section (3) is arc surface, and four lateral surfaces that support tool section (3) are on same circumference.
The utility model is on the basis of existing structure, between adjacent two described cutter heads (2), have additional one and support tool section (3), this support tool section is along the axial setting of described cutter hub (1), and four support tool sections (3) are along the circumferential uniform layout of cutter hub (1); Described support tool section (3) is cube structure, and the end face of this support tool section is concordant with the end face of described cutter hub (1) head, and supports in the mounting groove of tool section (3) inner side embedding cutter hub (1) head, and is fixedly welded and fixed; The lateral surface of described support tool section (3) is arc surface, and four lateral surfaces that support tool section (3) are on same circumference.
Adopt above technical scheme, the utility model can finely support boring cutter by four described support tool sections (3), so just can effectively alleviate the degree of jitter of boring cutter, thereby effectively ensure the service life of this boring cutter, so also can significantly improve feed speed, thereby improve working (machining) efficiency, and the utility model just solves large problem by little change, there is good practicality, be suitable for extensively promoting the use.
As preferably, the head of described support tool section (3) lateral surface is the first inclined-plane (3a), and the gradient on this first inclined-plane is 10 °-30 °, and the afterbody that supports tool section (3) lateral surface is the second inclined-plane (3b), and the gradient on this second inclined-plane is 10 °-30 °.
Adopt above structure, the effect on described the first inclined-plane (3a) is to add to prevent from supporting tool section (3) head man-hour and scratch manufactured surface, and the gradient of the first inclined-plane (3a) can be preferably 10 °, 15 ° or 20 ° etc.; The effect on described the second inclined-plane (3b) prevents from supporting tool section (3) head and scratches manufactured surface while being withdrawing, and the gradient of the second inclined-plane (3b) can be preferably 10 °, 15 ° or 20 ° etc.
In this case, the material of described support tool section (3) is carbide alloy or PCD.
Beneficial effect: the utility model can finely support boring cutter by four described support tool sections (3), so just can effectively alleviate the degree of jitter of boring cutter, thereby effectively ensure the service life of this boring cutter, so also can significantly improve feed speed, thereby raising working (machining) efficiency, and the utility model has just solved large problem by little change, there is good practicality, be suitable for extensively promoting the use.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the zoomed-in view that supports tool section 3 in Fig. 1.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Fig. 1,2 and 3, a kind of combination boring cutter, mainly formed by cutter hub 1, cutter head 2 and support tool section 3 etc., wherein the material of cutter hub 1 is 40Cr, the afterbody of this cutter hub 1 is the 1a of handle of a knife portion, the upper screw mounting hole 1b along being circumferentially evenly equipped with axial setting of the 1a of this handle of a knife portion, and the 1a of handle of a knife portion fixes with the main shaft of lathe by the screw being located in these screw mounting holes 1b, and four sliver circular runouts of the convenient and swift adjustment of energy are in 1um.Meanwhile, described cutter hub 1 head is along being circumferentially evenly fixed with four cutter heads 2, and the mounting means of this cutter head 2 is identical with existing mode, and all the other structures of the present utility model are also identical with existing structure, all do not repeat at this.
As inventive point of the present utility model, between adjacent two described cutter heads 2, have additional one and support tool section 3, the material of this support tool section 3 is carbide alloy or PCD, and PCD is diamond, it is well known to those skilled in the art.Described support tool section 3 is along the axial setting of cutter hub 1, and four are supported the circumferential uniform layout of tool section 3 along cutter hub 1.Described support tool section 3 is cube structure, and the length of this support tool section 3 is 20mm, and the height of support tool section 3 is 4mm.The end face of described support tool section 3 is concordant with the end face of cutter hub 1 head, and supports in the mounting groove of tool section 3 inner sides embedding cutter hub 1 heads, and is fixedly welded and fixed.The lateral surface of described support tool section 3 is arc surface, and four lateral surfaces that support tool section 3 are on same circumference.
Meanwhile, the head of described support tool section 3 lateral surfaces is the first inclined-plane 3a, and the gradient on this first inclined-plane is 10 °-30 °, and can be more preferably 10 °, 15 ° or 20 °, 30 °.The afterbody of described support tool section 3 lateral surfaces is the second inclined-plane 3b, and the gradient on this second inclined-plane is 10 °-30 °, and can be more preferably 10 °, 15 ° or 20 °, 30 °.
The foregoing is only preferred embodiment of the present utility model; not taking the utility model as restriction; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. a combination boring cutter, comprise cutter hub (1) and cutter head (2), wherein the afterbody of cutter hub (1) is handle of a knife portion (1a), the upper screw mounting hole (1b) along being circumferentially evenly equipped with axial setting of this handle of a knife portion (1a), and cutter hub (1) head is along being circumferentially evenly fixed with four described cutter heads (2), it is characterized in that: between adjacent two described cutter heads (2), be provided with one and support tool section (3), this support tool section is along the axial setting of described cutter hub (1), and four support tool sections (3) are along the circumferential uniform layout of cutter hub (1); Described support tool section (3) is cube structure, and the end face of this support tool section is concordant with the end face of described cutter hub (1) head, and supports in the mounting groove of tool section (3) inner side embedding cutter hub (1) head, and is fixedly welded and fixed; The lateral surface of described support tool section (3) is arc surface, and four lateral surfaces that support tool section (3) are on same circumference.
2. combination boring cutter according to claim 1, it is characterized in that: the head of described support tool section (3) lateral surface is the first inclined-plane (3a), the gradient on this first inclined-plane is 10 °-30 °, and the afterbody that supports tool section (3) lateral surface is the second inclined-plane (3b), and the gradient on this second inclined-plane is 10 °-30 °.
3. combination boring cutter according to claim 1, is characterized in that: the material of described support tool section (3) is carbide alloy or PCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320861232.7U CN203738041U (en) | 2013-12-24 | 2013-12-24 | Combined boring cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320861232.7U CN203738041U (en) | 2013-12-24 | 2013-12-24 | Combined boring cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203738041U true CN203738041U (en) | 2014-07-30 |
Family
ID=51337904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320861232.7U Expired - Fee Related CN203738041U (en) | 2013-12-24 | 2013-12-24 | Combined boring cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203738041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148685A (en) * | 2014-08-23 | 2014-11-19 | 南通永大管业股份有限公司 | Deep hole boring cutter row |
-
2013
- 2013-12-24 CN CN201320861232.7U patent/CN203738041U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148685A (en) * | 2014-08-23 | 2014-11-19 | 南通永大管业股份有限公司 | Deep hole boring cutter row |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203437751U (en) | Saw web with noise reduction lines | |
| CN203343496U (en) | Twist bit | |
| CN203738041U (en) | Combined boring cutter | |
| CN205129045U (en) | Insert milling cutter with vibration damping and tool cutting edge angle are variable | |
| CN204076535U (en) | The boring cutter of a kind of machining graphite | |
| CN202317081U (en) | Diamond-shaped polycrystalline diamond turning tool | |
| CN203791647U (en) | Boring cutter for machining inner bore of automobile engine | |
| CN202447740U (en) | Combined type end mill | |
| CN203110164U (en) | Core drill for graphite | |
| CN205254142U (en) | Finish boring hole sword | |
| CN203437718U (en) | Vibration-resistant high-speed indexable milling cutter | |
| CN203765005U (en) | Small part groove cutting and chamfering cutter blade | |
| CN202356675U (en) | Single-cutting drill point structure | |
| CN204054361U (en) | A kind of single taper marble saw bit matrix | |
| CN104338972A (en) | Welded alloy drill | |
| CN204603399U (en) | Whole hard alloy socket drill | |
| CN203509211U (en) | Inner-cooling type reaming and extruding tool | |
| CN203679377U (en) | Profile cutter used for machining sides and chamfers | |
| CN203992531U (en) | Powerful drill reamer at the bottom of a kind of cone | |
| CN104338995A (en) | Two-edge aluminum-use milling cutter | |
| CN204277006U (en) | A kind of centre drill can processing counterbore | |
| CN103252520B (en) | Drill with coating at flat base of straight groove, blind hole and single groove | |
| CN213104868U (en) | Floating support drilling reamer | |
| CN211758736U (en) | Machining cutter for machining shaft sleeve | |
| CN203171036U (en) | Integrated tool drill bit |
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: 20140730 Termination date: 20191224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |