CN215392535U - Cutter block type composite boring cutter - Google Patents
Cutter block type composite boring cutter Download PDFInfo
- Publication number
- CN215392535U CN215392535U CN202120995443.4U CN202120995443U CN215392535U CN 215392535 U CN215392535 U CN 215392535U CN 202120995443 U CN202120995443 U CN 202120995443U CN 215392535 U CN215392535 U CN 215392535U
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- cutter
- blade
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- block
- knife
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- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The cutter block type composite boring cutter comprises a cutter body, wherein the cutter body consists of a cutter handle part and a cutter head part which are connected; the cutter head part is provided with a plurality of cutter blocks, the cutter blocks are arranged on different axial positions of the cutter head part, and the cutter head part at the same axial position is provided with two corresponding cutter blocks; the end part of the knife block is provided with a mounting groove, a knife pad and a blade are arranged in the mounting groove, the blade is positioned above the knife pad, and the knife block is also provided with a pressing plate arranged above the mounting groove; compared with the prior art, through installing the sword piece on tool bit portion entirely, in the operation process, can use the sword piece on the different axial positions according to actual bore hole needs, the blade adopts two locating surfaces of central pin formula blade to paste tight sword piece, and the higher authority is locked with the clamp plate, and this kind of blade locking mode also can bear bigger cutting force, adopts sword piece formula connected mode, only needs to change the sword piece after taking place unexpected circumstances such as bumping sword can.
Description
Technical Field
The utility model belongs to the technical field of boring cutters, and particularly relates to a cutter block type composite boring cutter.
Background
The boring cutter is one kind of hole machining cutter, and is one circular handle, and has also large workpiece cutter bar, such as inner hole machining, reaming, copying and other places. The boring tool may be used on a boring machine, a lathe or a milling machine.
Chinese patent No. CN204262383U discloses a boring cutter handle structure and an excircle processing boring cutter thereof, which comprises a cutter handle body and a clamping part located at the rear end of the cutter handle body, and is characterized in that the cutter handle body is composed of a main cone and a mounting cylinder which are axially connected, the main cone is made of carbon structural steel, and the mounting cylinder is made of high-strength alloy steel material.
The boring cutter disclosed above is formed by combining a cutter handle and a cutter head, and when the cutter head collides with the cutter or is subjected to other abnormal wear, the cutter head is difficult to repair, and a new cutter head needs to be replaced, so that the use cost of the boring cutter is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides the cutter block type composite boring cutter which is convenient to repair, has a plurality of cutter heads and is suitable for large-width cutting.
In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows: the cutter block type composite boring cutter comprises a cutter body, wherein the cutter body consists of a cutter handle part and a cutter head part which are connected; the cutter head part is provided with a plurality of cutter blocks, the cutter blocks are arranged on different axial positions of the cutter head part, and the cutter head part at the same axial position is provided with two corresponding cutter blocks; the utility model discloses a sword piece, including sword piece, blade, the sword piece tip forms the mounting groove, and is equipped with shim and blade in the mounting groove, and the blade is located shim top, and still is equipped with the clamp plate that sets up in the mounting groove top on the sword piece.
As a preferable scheme of the utility model, a locking screw is arranged between the knife block and the knife head.
In a preferred embodiment of the present invention, the cutter blocks located at the same axial position of the cutter head portion are circumferentially arranged along the center of the cutter head portion.
In a preferred embodiment of the present invention, the shim is mounted at the bottom of the mounting groove, and a center pin is screwed into the middle of the shim.
In a preferred embodiment of the present invention, the blade is placed on the upper end of a center pin, and the center pin screws the blade.
As a preferable scheme of the utility model, a pressing plate screw connected with the cutter head part is arranged on the pressing plate, and the pressing plate and the cutter pad are respectively abutted against the upper side and the lower side of the blade.
In a preferred embodiment of the present invention, the pressing plate presses the blade at a position near the center.
As a preferred aspect of the present invention, the insert is a negative-type insert.
In a preferred embodiment of the present invention, the handle portion and the head portion are integrally formed.
Compared with the prior art, the utility model has the beneficial effects that: through installing the sword piece on tool bit portion entirely, in the operation in-process, can be according to actual bore hole needs, use the sword piece on the different axial positions, the blade adopts two locating surfaces of central round pin formula blade to paste tight sword piece, and the higher authority is locked with the clamp plate, and this kind of blade locking mode also can bear bigger cutting force, adopts sword piece formula connected mode, only needs to change the sword piece after taking place to hit unexpected circumstances such as sword can.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a left side view of the present invention;
FIG. 4 is a schematic view of a knife block;
FIG. 5 is a cross-sectional view taken along the plane A-A in FIG. 2;
reference numbers in the figures: the tool comprises a tool body 1, a tool head 1-1, a tool shank 1-2, a tool block 2, a tool pad 2-1, a blade 2-2, a center pin 2-3, a pressing plate 2-4, a pressing plate screw 2-5 and a locking screw 3.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1-5, the block type composite boring tool comprises a tool body 1, wherein the tool body 1 consists of a tool shank part 1-2 and a tool head part 1-1 which are connected; the cutter head part 1-1 is provided with a plurality of cutter blocks 2, the cutter blocks 2 are arranged on different axial positions of the cutter head part 1-1, and two corresponding cutter blocks 2 are arranged on the cutter head part 1-1 at the same axial position; an installation groove is formed at the end part of the knife block 2, a knife pad 2-1 and a knife blade 2-2 are arranged in the installation groove, the knife blade 2-2 is positioned above the knife pad 2-1, and a pressing plate 2-4 arranged above the installation groove is also arranged on the knife block 2.
The cutter handle part 1-2 and the cutter head part 1-1 are located on the same straight line, the cross section of the cutter handle part 1-2 is in an isosceles trapezoid structure, the size of the cutter head part 1-1 is gradually increased towards the cutter handle part 1-2, and therefore the radial positions of the cutter blocks 2 located on different axial positions of the cutter head part 1-1 are different, holes with different sizes can be bored in the cutter blocks 2 on different axial positions of the cutter head part 1-1, the number of the cutter blocks 2 is set according to actual needs, and the cutter blocks are set according to the length of the cutter handle part 1-2.
A locking screw 3 is arranged between the knife block 2 and the knife head part 1-1, the knife block 2 and the knife head part 1-1 are fixedly connected under the action of the locking screw 3, the locking screw 3 is arranged in an inclined mode, a station for mounting the knife head part 1-1 is arranged on the knife head part 1-1 in advance, and a threaded hole for arranging the locking screw 3 is formed in the station.
The cutter blocks 2 located at the same axial position of the cutter head part 1-1 are circumferentially arranged along the center of the cutter head part 1-1, so that the cutter blocks 2 located at the same axial position of the cutter head part 1-1 work synchronously when the cutter blocks 2 located at the same axial position work on the same boring hole.
The knife pad 2-1 is installed at the bottom of the installation groove, the center pin 2-3 is screwed in the middle of the knife pad 2-1, the blade 2-2 is arranged at the upper end of the center pin 2-3, the center pin 2-3 screws the blade 2-2, the size of the installation groove is consistent with that of the knife pad 2-1, the size of the blade 2-2 is larger than that of the knife pad 2-1, the cutting end of the blade 2-2 is exposed in the air, the middle of the blade 2-2 is provided with a through hole matched with the center pin 2-3, and the blade 2-2 is fixedly connected with the knife pad 2-1 under the action of the center pin 2-3.
The pressing plate 2-4 is provided with a pressing plate screw 2-5 connected with the cutter head part 1-1, the pressing plate 2-4 and the cutter pad 2-1 are respectively abutted against the upper side and the lower side of the cutter blade 2-2, the cutter blade 2-2 adopts two positioning surfaces to be attached to the cutter block 2, the upper surface of the cutter block is locked by the pressing plate 2-4, the lower surface of the cutter block is locked by the cushion block 2-1, the locking mode of the cutter blade 2-2 can bear larger cutting force, and the pressing plate 2-4 is pressed on the position, close to the center, of the cutter blade 2-2.
The blade 2-2 is a negative blade, the back angle of the blade 2-2 is zero, and the handle part 1-2 and the head part 1-1 are of an integrally formed structure.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: the tool comprises a tool body 1, a tool head part 1-1, a tool shank part 1-2, a tool block 2, a tool pad 2-1, a blade 2-2, a center pin 2-3, a pressing plate 2-4, a pressing plate screw 2-5, a locking screw 3 and other terms, but the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (9)
1. The cutter block type composite boring cutter is characterized by comprising a cutter body (1), wherein the cutter body (1) consists of a cutter handle part (1-2) and a cutter head part (1-1) which are connected; the cutter head part (1-1) is provided with a plurality of cutter blocks (2), the cutter blocks (2) are arranged on different axial positions of the cutter head part (1-1), and the cutter head part (1-1) at the same axial position is provided with two corresponding cutter blocks (2); the end part of the knife block (2) forms a mounting groove, a knife pad (2-1) and a blade (2-2) are arranged in the mounting groove, the blade (2-2) is positioned above the knife pad (2-1), and a pressing plate (2-4) arranged above the mounting groove is further arranged on the knife block (2).
2. The composite boring cutter of the cutter block type according to claim 1, characterized in that a locking screw (3) is arranged between the cutter block (2) and the cutter head part (1-1).
3. The composite boring tool of claim 1, wherein the blocks (2) located at the same axial position of the head portion (1-1) are circumferentially arranged along the center of the head portion (1-1).
4. The composite boring cutter of the block type according to claim 1, wherein the shim (2-1) is mounted at the bottom of the mounting groove, and a center pin (2-3) is screwed into the middle of the shim (2-1).
5. The block composite boring tool according to claim 4, wherein the insert (2-2) is placed on the upper end of a center pin (2-3), and the center pin (2-3) screws the insert (2-2).
6. The tool block type composite boring tool according to claim 1, wherein a pressing plate screw (2-5) connected with the tool head portion (1-1) is arranged on the pressing plate (2-4), and the pressing plate (2-4) and the tool pad (2-1) are respectively abutted against the upper side and the lower side of the blade (2-2).
7. The composite block boring tool according to claim 6, wherein the pressing plate (2-4) presses the insert (2-2) close to the center.
8. The block composite boring tool according to claim 1, wherein the insert (2-2) is a negative insert.
9. The block type composite boring tool according to claim 1, wherein the shank portion (1-2) and the head portion (1-1) are of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120995443.4U CN215392535U (en) | 2021-05-11 | 2021-05-11 | Cutter block type composite boring cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120995443.4U CN215392535U (en) | 2021-05-11 | 2021-05-11 | Cutter block type composite boring cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215392535U true CN215392535U (en) | 2022-01-04 |
Family
ID=79674786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120995443.4U Active CN215392535U (en) | 2021-05-11 | 2021-05-11 | Cutter block type composite boring cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215392535U (en) |
-
2021
- 2021-05-11 CN CN202120995443.4U patent/CN215392535U/en active Active
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