CN218532947U - Metal processing cutter with central positioning function - Google Patents
Metal processing cutter with central positioning function Download PDFInfo
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- CN218532947U CN218532947U CN202223110909.1U CN202223110909U CN218532947U CN 218532947 U CN218532947 U CN 218532947U CN 202223110909 U CN202223110909 U CN 202223110909U CN 218532947 U CN218532947 U CN 218532947U
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- hole
- cylindrical
- hard alloy
- cutter
- threaded
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- 239000002184 metal Substances 0.000 title abstract description 16
- 239000000956 alloy Substances 0.000 claims abstract description 29
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 29
- 238000005555 metalworking Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 238000003754 machining Methods 0.000 abstract description 7
- 230000006378 damage Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of metal processing cutters, in particular to a centrally positioned metal processing cutter, which comprises a cutter bar, a hard alloy cutter head and a fixing bolt; the cutter bar is provided with a fixing groove; the fixing groove is composed of a cylindrical hole and a threaded hole which are coaxially arranged; the hard alloy tool bit is provided with a through hole; the through hole and the cylindrical hole are coaxially arranged; the fixing bolt comprises a cylindrical part and a threaded part which are coaxially arranged; the cylindrical part is arranged between the cylindrical hole and the through hole; the thread part is in threaded connection with the threaded hole. The utility model discloses a set up screw hole, cylinder hole and perforation with the axle center, in addition through setting up screw thread portion and cylinder portion with the axle center, the cylinder portion of cylinder hole to fixing bolt plays the effect of central point location to can prevent effectively that the skew from taking place between carbide tool bit and the cutter arbor, promote machining precision and efficiency, and through the great cost of having practiced thrift the cutter of the connected mode that the carbide tool bit adds the cutter arbor.
Description
Technical Field
The utility model relates to a metalworking cutter technical field, concretely relates to metalworking cutter of central location.
Background
In machining, it is common to drive a tool in rotation by a machine tool to machine a workpiece, for example, by turning, milling, grinding, etc. with the machine tool. The tool is an indispensable tool for machining, the common material is mainly cemented carbide, and a whole cemented carbide tool is needed in the high-precision machining field. The cutter is a consumable product, the whole hard alloy is used, although the precision is good, the cost is high, in order to save the processing cost, a mode that the cutter bar and the cutter head can be linked is usually adopted, the cutter bar and the cutter head are generally arranged into a detachable structure, and only the cutter head participating in processing needs to be replaced in the processing, so that certain cost is saved. But traditional mode passes behind the tool bit by the bolt and carries out threaded connection with the cutter arbor, and threaded connection's in-process appears connecting the condition not in place easily to lead to cutter arbor and tool bit to produce the skew, the cutter is beated too greatly in the course of working, though the cost is practiced thrift to a certain extent but the precision is relatively poor, thereby can't replace whole alloy cutter to satisfy the processing of high-accuracy work piece.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned among the prior art not enough, provide a metal processing cutter of center location for the stable in structure of cutter is reliable, and the effectual precision and the life-span that promote cutter processing, the whole alloy cutter of fungible use, has practiced thrift the processing cost again when can satisfying high-accuracy work piece machining precision.
The purpose of the utility model is realized through the following technical scheme: a centrally positioned metal processing cutter comprises a cutter bar, a hard alloy cutter head and a fixing bolt; the hard alloy cutter head is detachably connected with the cutter bar through a fixing bolt;
the bottom of the cutter bar is provided with a fixing groove; the fixing groove consists of a cylindrical hole and a threaded hole; the threaded hole is formed in the top of the cylindrical hole; the cylindrical hole and the threaded hole are coaxially arranged; a through hole penetrates through the middle part of the hard alloy cutter head; the through hole and the cylindrical hole are coaxially arranged;
the fixing bolt comprises a cylindrical part matched with the cylindrical hole and a threaded part connected with the cylindrical part; the cylindrical part and the threaded part are coaxially arranged; the cylindrical part is arranged between the cylindrical hole and the through hole; the thread part is in threaded connection with the threaded hole.
The utility model is further arranged that one end of the cylindrical part, which is far away from the thread part, is provided with a head part; the hard alloy cutter head is provided with a limiting cavity communicated with the through hole; the head is arranged in the limiting cavity.
The utility model is further arranged that the bottom end of the head part is provided with a rotating groove; the rotating groove is provided with an arc block.
The utility model is further arranged that the bottom of the cutter bar is provided with a plurality of limiting grooves; and a plurality of limiting blocks matched with the limiting grooves are arranged at the top of the hard alloy cutter head.
The utility model discloses further set up to, the cross-sectional shape of spacing groove and the cross-sectional shape of stopper are circular arc trapezoidal.
The utility model is further arranged that a plurality of limiting grooves are rotationally and symmetrically arranged along the center of the cutter bar; the limiting blocks are arranged along the center of the hard alloy cutter head in a rotational symmetry mode.
The utility model discloses further set up to, the angle of two adjacent spacing grooves is the same.
The utility model discloses further set up to, the angle of two adjacent stoppers is the same.
The utility model is further provided with a plurality of blades arranged on the periphery of the hard alloy tool bit; the plurality of blades are rotationally and symmetrically arranged along the center of the hard alloy cutter head; an arc-shaped groove is arranged between every two adjacent blades.
The utility model has the advantages that: the utility model discloses a set up screw hole and cylinder hole simultaneously, the screw hole, cylinder hole and perforation set up with the axle center, in addition through setting up screw thread portion and cylinder portion, screw thread portion sets up with the axle center with cylinder portion, the cylinder portion of cylinder hole to fixing bolt plays the effect of central positioning, thereby can prevent effectively that the skew from taking place between carbide tool bit and the cutter arbor, thereby cause the condition of destruction to the work piece, machining precision and efficiency have been promoted, and through the great saving cost of cutter of the connected mode of carbide tool bit with the cutter arbor.
Drawings
The invention is further described with the aid of the accompanying drawings, in which, however, the embodiments do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived from the following drawings without inventive effort.
FIG. 1 is a schematic view of the present invention;
fig. 2 is an exploded view of the present invention;
fig. 3 is an exploded view of the present invention from another perspective;
fig. 4 is a cross-sectional view of the present invention;
fig. 5 is a cross-sectional view of the present invention after the fixing bolt is hidden;
wherein: 1. a cutter bar; 11. a cylindrical bore; 12. a threaded hole; 2. a cemented carbide tip; 21. perforating; 22. a limiting cavity; 31. a cylindrical portion; 32. a threaded portion; 33. a head; 4. a rotating tank; 41. an arc block; 51. a limiting groove; 52. a limiting block; 6. a blade; 61. an arc-shaped groove.
Detailed Description
The invention will be further described with reference to the following examples.
As can be seen from fig. 1 to 5, the centrally located metal processing tool according to the present embodiment includes a tool holder 1, a cemented carbide insert 2, and a fixing bolt; the hard alloy tool bit 2 is detachably connected with the tool bar 1 through a fixing bolt;
the bottom of the cutter bar 1 is provided with a fixing groove; the fixing groove consists of a cylindrical hole 11 and a threaded hole 12; the threaded hole 12 is formed in the top of the cylindrical hole 11; the cylindrical hole 11 and the threaded hole 12 are coaxially arranged; the middle part of the hard alloy cutter head 2 is provided with a through hole 21 in a penetrating way; the through hole 21 and the cylindrical hole 11 are coaxially arranged;
the fixing bolt comprises a cylindrical part 31 matched with the cylindrical hole 11 and a thread part 32 connected with the cylindrical part 31; the cylindrical portion 31 and the threaded portion 32 are arranged coaxially; the cylindrical part 31 is arranged between the cylindrical hole 11 and the through hole 21; the threaded portion 32 is threadedly coupled to the threaded bore.
Specifically, in the centrally located metal processing tool according to the present embodiment, during installation, the threaded portion 32 of the fixing bolt firstly passes through the through hole 21 of the carbide insert 2 and enters the fixing groove of the holder 1, and passes through the cylindrical hole 11 and then is in threaded connection with the threaded hole 12, during the process of threaded connection between the threaded portion 32 and the threaded hole 12, the cylindrical portion 31 of the fixing bolt enters the cylindrical hole 11, and after the threaded portion 32 and the threaded hole 12 are connected, the cylindrical portion 31 is located between the cylindrical hole 11 and the through hole 21, so as to fix the holder 1 and the carbide insert 2; and this embodiment is through setting up screw hole 12 and cylinder hole 11 simultaneously, screw hole 12, cylinder hole 11 and perforation 21 set up with the axle center, in addition through setting up screw thread portion 32 and cylinder portion 31, screw thread portion 32 sets up with the axle center with cylinder portion 31, cylinder hole 11 plays the effect of central point to fixing bolt's cylinder portion 31, thereby can prevent effectively that the skew from taking place between carbide tool bit 2 and the cutter arbor 1, thereby cause the condition of destruction to the work piece, machining precision and efficiency have been promoted, and the great saving the cost of cutter through the connected mode of carbide tool bit plus cutter arbor.
In the centrally-positioned metal processing tool according to the embodiment, a head portion 33 is arranged at one end of the cylindrical portion 31 away from the threaded portion 32; the hard alloy cutter head 2 is provided with a limiting cavity 22 communicated with the through hole 21; the head 33 is arranged in the limiting cavity 22. Through the arrangement, the position of the bolt can be limited, and the bolt is prevented from being excessively rotated, so that the hard alloy cutter head 2 and the cutter bar 1 are prevented from being damaged.
In the centrally-positioned metal processing tool of the present embodiment, the bottom end of the head portion 33 is provided with a rotating groove 4; the rotating groove 4 is provided with an arc block 41. Through the setting, the bolt can be conveniently rotated, and the arc block 41 is limited and prevented from being damaged.
In the centrally-positioned metal processing tool of the present embodiment, the bottom of the tool bar 1 is provided with a plurality of limiting grooves 51; the top of the hard alloy cutter head 2 is provided with a plurality of limiting blocks 52 matched with the limiting grooves 51. Through the arrangement, the relative rotation between the hard alloy cutter head 2 and the cutter bar 1 can be prevented.
In the centrally-located metal processing tool of this embodiment, the cross-sectional shapes of the limiting groove 51 and the limiting block 52 are both arc trapezoids. Can strengthen the spacing effect between carbide tool bit 2 and the cutter arbor 1 through above-mentioned setting, further prevent to take place relative rotation between carbide tool bit 2 and the cutter arbor 1.
In the centrally located metal processing tool of the present embodiment, a plurality of limiting grooves 51 are rotationally and symmetrically arranged along the center of the tool bar 1; the plurality of stoppers 52 are rotationally symmetrically arranged along the center of the cemented carbide tip 2. Can strengthen the spacing effect between carbide tool bit 2 and the cutter arbor 1 through above-mentioned setting, further prevent to take place relative rotation between carbide tool bit 2 and the cutter arbor 1.
In the centrally located metal processing tool according to this embodiment, the angles of the two adjacent limiting grooves 51 are the same. Can strengthen the spacing effect between carbide tool bit 2 and the cutter arbor 1 through above-mentioned setting, further prevent to take place relative rotation between carbide tool bit 2 and the cutter arbor 1.
In the centrally-located metal processing tool according to this embodiment, the angles of the two adjacent limiting blocks 52 are the same. Can strengthen the spacing effect between carbide tool bit 2 and the cutter arbor 1 through above-mentioned setting, further prevent to take place relative rotation between carbide tool bit 2 and the cutter arbor 1.
In the centrally-positioned metal processing tool according to the embodiment, a plurality of blades 6 are arranged on the periphery of the cemented carbide tool bit 2; the plurality of blades 6 are arranged along the center of the hard alloy cutter head 2 in a rotational symmetry manner; an arc-shaped groove 61 is arranged between two adjacent blades 6. Through the arrangement, the hard alloy cutter head 2 can smoothly and flatly machine a product workpiece.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. A centrally located metalworking tool, comprising: comprises a cutter bar (1), a hard alloy cutter head (2) and a fixing bolt; the hard alloy cutter head (2) is detachably connected with the cutter bar (1) through a fixing bolt;
the bottom of the cutter bar (1) is provided with a fixing groove; the fixing groove consists of a cylindrical hole (11) and a threaded hole (12); the threaded hole (12) is formed in the top of the cylindrical hole (11); the cylindrical hole (11) and the threaded hole (12) are coaxially arranged; a through hole (21) penetrates through the middle part of the hard alloy cutter head (2); the through hole (21) and the cylindrical hole (11) are coaxially arranged;
the fixing bolt comprises a cylindrical part (31) matched with the cylindrical hole (11) and a threaded part (32) connected with the cylindrical part (31); the cylindrical part (31) and the threaded part (32) are coaxially arranged; the cylindrical part (31) is arranged between the cylindrical hole (11) and the through hole (21); the thread part (32) is in threaded connection with the threaded hole (12).
2. The centrally located metal working tool of claim 1, wherein: a head part (33) is arranged at one end of the cylindrical part (31) far away from the thread part (32); the hard alloy cutter head (2) is provided with a limiting cavity (22) communicated with the through hole (21); the head (33) is arranged in the limit cavity (22).
3. A centrally located metal working tool according to claim 2, wherein: a rotating groove (4) is formed at the bottom end of the head part (33); the rotating groove (4) is provided with an arc block (41).
4. The centrally located metal working tool of claim 1, wherein: the bottom of the cutter bar (1) is provided with a plurality of limiting grooves (51); the top of the hard alloy cutter head (2) is provided with a plurality of limiting blocks (52) matched with the limiting grooves (51).
5. The centrally located metal working tool of claim 4, wherein: the cross-sectional shapes of the limiting groove (51) and the limiting block (52) are both arc trapezoids.
6. The centrally located metal working tool of claim 4, wherein: the limiting grooves (51) are rotationally and symmetrically arranged along the center of the cutter bar (1); the limiting blocks (52) are arranged along the center of the hard alloy cutter head (2) in a rotational symmetry mode.
7. The centrally located metal working tool of claim 6, wherein: the angles of the adjacent two limiting grooves (51) are the same.
8. The centrally located metal working tool of claim 6, wherein: the angles of the two adjacent limiting blocks (52) are the same.
9. The centrally located metal working tool of claim 1, wherein: a plurality of blades (6) are arranged on the periphery of the hard alloy cutter head (2); the plurality of blades (6) are arranged along the center of the hard alloy cutter head (2) in a rotational symmetry manner; an arc-shaped groove (61) is arranged between two adjacent blades (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223110909.1U CN218532947U (en) | 2022-11-23 | 2022-11-23 | Metal processing cutter with central positioning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223110909.1U CN218532947U (en) | 2022-11-23 | 2022-11-23 | Metal processing cutter with central positioning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218532947U true CN218532947U (en) | 2023-02-28 |
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ID=85262724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223110909.1U Active CN218532947U (en) | 2022-11-23 | 2022-11-23 | Metal processing cutter with central positioning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218532947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115533177A (en) * | 2022-11-23 | 2022-12-30 | 优购(中山)精密工具有限公司 | A centrally positioned metalworking tool |
-
2022
- 2022-11-23 CN CN202223110909.1U patent/CN218532947U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115533177A (en) * | 2022-11-23 | 2022-12-30 | 优购(中山)精密工具有限公司 | A centrally positioned metalworking tool |
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