CN211966074U - Milling cutter with high-efficient heat radiation structure - Google Patents
Milling cutter with high-efficient heat radiation structure Download PDFInfo
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- CN211966074U CN211966074U CN201922397872.7U CN201922397872U CN211966074U CN 211966074 U CN211966074 U CN 211966074U CN 201922397872 U CN201922397872 U CN 201922397872U CN 211966074 U CN211966074 U CN 211966074U
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Abstract
The utility model relates to a milling cutter technical field specifically is a milling cutter with high-efficient heat radiation structure, in order to solve the poor problem of current milling cutter heat dispersion, the upper end of cutter arbor is provided with the joint portion that links to each other with equipment, and the surface of cutter arbor has evenly seted up bleeder vent A, the lower extreme of cutter arbor is provided with the welding ring, and the below of cutter arbor is provided with the tool bit of fixing mutually with the welding ring, the inside top of cutter arbor is seted up flutedly. The utility model relates to a novelty, simple structure, the air current gets into from bleeder vent A in rotatory in-process, during rethread bleeder vent C gets into the heat pipe, the heat source that the heat pipe absorbed the tool bit and produced when the operation, the air current downstream behind the entering heat pipe, take out the external world from through-hole and bleeder vent B with the heat source on its surface to make the heat of tool bit obtain inhibiting, avoid the tool bit to lead to the problem that the performance descends because of high temperature, the effectual wholeness ability that improves milling cutter, the life of extension product.
Description
Technical Field
The utility model relates to a milling cutter technical field specifically is a milling cutter with high-efficient heat radiation structure.
Background
A milling cutter is a rotary cutter used for milling and provided with one or more cutter teeth, and each cutter tooth cuts off the allowance of a workpiece intermittently in sequence during operation. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine, and can be further classified into a cylindrical milling cutter, a face milling cutter, an end milling cutter, a three-edge milling cutter, an angle milling cutter, a saw blade milling cutter and a T-shaped milling cutter according to types.
However, the milling cutter on the market at present generates high temperature due to high-speed friction with a workpiece when in use, so that the overall performance of the milling cutter is linearly reduced due to the high temperature, and the service performance and the service life are seriously influenced. Accordingly, one skilled in the art provides a milling cutter having a highly efficient heat dissipation structure to solve the problems set forth in the above background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a milling cutter with high-efficient heat radiation structure to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a milling cutter with high-efficient heat radiation structure, includes the cutter arbor, the upper end of cutter arbor is provided with the joint portion that links to each other with equipment, and the surface of cutter arbor has evenly seted up bleeder vent A, the lower extreme of cutter arbor is provided with the solder ring, and the below of cutter arbor is provided with the tool bit fixed mutually with the solder ring, recess has been seted up on the inside top of cutter arbor, and the inboard of cutter arbor is provided with the silica gel pad, the surface of tool bit is spiraled and is provided with the cutting edge, and the bottom of tool bit is located central point and puts the department and has seted up bleeder vent B, the upper end embedding of tool bit is provided with the heat pipe that extends to the cutter arbor is inside, the position department that the top of heat.
As a further aspect of the present invention: the heat conduction pipe is a component made of a hollow copper alloy material, extends to the inner bottom end of the cutter head, a through hole with the same size is formed in the position, corresponding to the air hole B, of the bottom of the heat conduction pipe, and the air hole B is communicated with the inner cavity of the heat conduction pipe through the through hole.
As a further aspect of the present invention: the tool bit is a component made of high-speed steel, and the welding ring is welded and fixed with the tool bit through argon arc welding.
As a further aspect of the present invention: the bulges and the grooves are of hexagonal structures, and the outer diameters of the bulges are matched with the inner diameters of the grooves.
As a further aspect of the present invention: the number of the air holes A is not less than four, 3 in each row, the number of the air holes C corresponds to that of the air holes A one by one, and the air holes C and the air holes A are in a superposed state.
As a further aspect of the present invention: the thickness of silica gel pad is 2mm, and the external diameter of silica gel pad and the internal diameter looks adaptation of cutter arbor, it is fixed through the bonding of silica gel glue between silica gel pad and the cutter arbor.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has novel design and simple structure, the air flow enters from the air vent A in the rotation process and then enters into the heat conduction pipe through the air vent C, the heat conduction pipe absorbs the heat source generated when the cutter head operates, the air flow after entering the heat conduction pipe moves downwards to bring the heat source on the surface out of the outside from the through hole and the air vent B, thereby the heat of the cutter head is inhibited, the problem that the cutter head has reduced performance due to high temperature is avoided, the overall performance of the milling cutter is effectively improved, the service life of the product is prolonged, the cutter rod and the cutter head are fixed into a whole through argon arc welding, the stability of the whole equipment is ensured, the problem that the operating personnel is damaged due to fracture in the rotation operation is avoided, the safety protection is increased, the whole is more stable due to the clamping of the bulge and the groove, the silica gel pad precisely connects the cutter rod and the heat, the transmission of the heat source is effectively improved, and the heat dissipation effect is ensured.
Drawings
Fig. 1 is a schematic structural view of a milling cutter with a high-efficiency heat dissipation structure;
fig. 2 is an exploded view of a milling cutter having a high-efficiency heat dissipation structure;
fig. 3 is a schematic view of an internal structure of a cutter bar in a milling cutter with an efficient heat dissipation structure.
In the figure: 1. a cutter bar; 2. a clamping part; 3. an air hole A; 4. a cutter head; 5. a blade; 6. an air hole B; 7. a heat conducting pipe; 8. a protrusion; 9. a breather hole C; 10. welding a ring; 11. a groove; 12. a silica gel pad.
Detailed Description
Referring to fig. 1-3, in an embodiment of the present invention, a milling cutter with a high-efficiency heat dissipation structure includes a cutter bar 1, a clamping portion 2 connected to a device is disposed at an upper end of the cutter bar 1, air holes A3 are uniformly arranged on the surface of the cutter bar 1, a welding ring 10 is arranged at the lower end of the cutter bar 1, and a cutter head 4 fixed with a welding ring 10 is arranged below the cutter bar 1, the cutter head 4 is a component made of high-speed steel, the welding ring 10 and the cutter head 4 are welded and fixed through argon arc welding, the high-speed steel has high hardness, high wear resistance and high heat resistance, make the wholeness ability and the life-span of tool bit 4 promote, increased the quality of whole product, argon arc welds the welding and makes cutter arbor 1 and tool bit 4 fix into a whole, has guaranteed the holistic steadiness of equipment, avoids appearing the fracture when rotating the operation and leads to endangering operating personnel's problem, has increased safety protection.
The inside top of cutter arbor 1 is seted up flutedly 11, and the inboard of cutter arbor 1 is provided with silica gel pad 12, the thickness of silica gel pad 12 is 2mm, and the external diameter of silica gel pad 12 and the internal diameter looks adaptation of cutter arbor 1, it is fixed through silica gel glue bonding between silica gel pad 12 and the cutter arbor 1, silica gel has higher heat conductivity, link to each other with the precision between cutter arbor 1 and the heat pipe 7 through silica gel pad 12, make there be not any clearance between the two, the effectual transmission that improves the heat source, the radiating effect has been guaranteed.
The surface of tool bit 4 is convoluted and is provided with cutting edge 5, and the bottom of tool bit 4 is located central point and has seted up bleeder vent B6, the upper end embedding of tool bit 4 is provided with the heat pipe 7 that extends to the cutter arbor 1 inside, heat pipe 7 is the component of a cavity copper alloy material, and heat pipe 7 extends to the inside bottom of tool bit 4, the position department that the bottom of heat pipe 7 corresponds bleeder vent B6 offers the through-hole the same with its size, bleeder vent B6 is linked together through-hole and the inside cavity of heat pipe 7, copper alloy has higher heat conductivility, tool bit 4 produces the heat source with the high-speed friction of work piece when the operation, the heat source can be derived it through heat pipe 7, make the heat of tool bit 4 obtain inhibiting, avoid tool bit 4 because of the.
The position department that the top of heat pipe 7 corresponds recess 11 is provided with arch 8, and arch 8 all is the hexagon structure with recess 11, and protruding 8's external diameter and recess 11's internal diameter looks adaptation, and protruding 8 and recess 11's block can be so that whole more firm.
The positions of the surface of the heat conduction pipe 7 corresponding to the air holes A3 are provided with air holes C9, the number of the air holes A3 is not less than four, each row is 3, the number of the air holes C9 corresponds to that of the air holes A3 one by one, and the air holes C9 and the air holes A3 are in a superposed state, so that the milling cutter can rotate at a high speed when in use, air flow enters from the air holes A3 in the rotating process and then enters the heat conduction pipe 7 through the air holes C9, the heat generated when the cutter head 4 operates is absorbed by the heat conduction pipe 7, the air flow entering the heat conduction pipe 7 moves downwards, and the heat source on the surface of the heat conduction pipe is taken out of the outside through holes and the air holes B6, thereby the heat of.
The utility model discloses a theory of operation is: firstly, the cutter bar 1 is sleeved outside the heat conducting pipe 7, the air holes A and B are ensured to be in the same vertical horizontal line when the cutter bar is sleeved, when the cutter bar is sleeved at a certain stage, the whole body can be more stable due to the clamping of the protrusions 8 and the grooves 11, then the welding ring 10 and the cutter head 4 are welded and fixed through argon arc welding, the cutter head 4 made of high-speed steel has high hardness, high wear resistance and high heat resistance, the integral performance and the service life of the cutter head 4 are improved, the quality of the integral product is improved, the cutter bar 1 and the cutter head 4 are fixed into a whole body through argon arc welding, the stability of the whole equipment is ensured, the problem that operators are damaged due to fracture during rotation operation is avoided, the safety protection is increased, finally, the milling cutter can rotate at a high speed during use, air flow enters from the air holes A3 during rotation, and then enters the heat conducting, the heat conduction pipe 7 absorbs the heat source generated when the tool bit 4 operates, the airflow entering the heat conduction pipe 7 moves downwards, and the heat source on the surface of the heat conduction pipe is taken out of the outside from the through hole and the air hole B6, so that the heat of the tool bit 4 is inhibited, and the problem of performance reduction of the tool bit 4 caused by high temperature is avoided.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (6)
1. The milling cutter with the efficient heat dissipation structure comprises a cutter bar (1) and is characterized in that a clamping portion (2) connected with equipment is arranged at the upper end of the cutter bar (1), air holes A (3) are uniformly formed in the surface of the cutter bar (1), a welding ring (10) is arranged at the lower end of the cutter bar (1), a cutter head (4) fixed with the welding ring (10) is arranged below the cutter bar (1), a groove (11) is formed in the top end of the interior of the cutter bar (1), a silica gel pad (12) is arranged on the inner side of the cutter bar (1), a cutting edge (5) is spirally arranged on the surface of the cutter head (4), an air hole B (6) is formed in the center position of the bottom end of the cutter head (4), a heat conduction pipe (7) extending into the cutter bar (1) is embedded into the upper end of the cutter head (4), and a protrusion (8) is arranged at the position, corresponding to the groove (, and the surface of the heat conducting pipe (7) is provided with a vent hole C (9) corresponding to the position of the vent hole A (3).
2. The milling cutter with the efficient heat dissipation structure as claimed in claim 1, wherein the heat pipe (7) is a hollow copper alloy member, the heat pipe (7) extends to the inner bottom end of the cutter head (4), a through hole with the same size as the bottom of the heat pipe (7) is formed at a position corresponding to the air hole B (6) at the bottom of the heat pipe (7), and the air hole B (6) is communicated with the inner cavity of the heat pipe (7) through the through hole.
3. The milling cutter with the efficient heat dissipation structure as recited in claim 1, wherein the cutter head (4) is a member made of high-speed steel, and the welding ring (10) and the cutter head (4) are welded and fixed by argon arc welding.
4. The milling cutter with the efficient heat dissipation structure as claimed in claim 1, wherein the protrusions (8) and the grooves (11) are hexagonal structures, and the outer diameter of the protrusions (8) is matched with the inner diameter of the grooves (11).
5. The milling cutter with the efficient heat dissipation structure as claimed in claim 1, wherein the number of the air holes a (3) is not less than four, 3 air holes are formed in each row, the number of the air holes C (9) corresponds to that of the air holes a (3), and the air holes C (9) and the air holes a (3) are in a superposition state.
6. The milling cutter with the efficient heat dissipation structure as claimed in claim 1, wherein the thickness of the silicone pad (12) is 2mm, the outer diameter of the silicone pad (12) is matched with the inner diameter of the cutter bar (1), and the silicone pad (12) and the cutter bar (1) are fixed by bonding with silicone glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922397872.7U CN211966074U (en) | 2019-12-27 | 2019-12-27 | Milling cutter with high-efficient heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922397872.7U CN211966074U (en) | 2019-12-27 | 2019-12-27 | Milling cutter with high-efficient heat radiation structure |
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| Publication Number | Publication Date |
|---|---|
| CN211966074U true CN211966074U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922397872.7U Active CN211966074U (en) | 2019-12-27 | 2019-12-27 | Milling cutter with high-efficient heat radiation structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579328A (en) * | 2021-08-26 | 2021-11-02 | 淮安西德工业设计有限公司 | Precise metal ceramic micro milling cutter |
| CN114178599A (en) * | 2021-12-16 | 2022-03-15 | 铣立(上海)切削技术有限公司 | Better general ripple milling cutter of radiating effect |
-
2019
- 2019-12-27 CN CN201922397872.7U patent/CN211966074U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579328A (en) * | 2021-08-26 | 2021-11-02 | 淮安西德工业设计有限公司 | Precise metal ceramic micro milling cutter |
| CN114178599A (en) * | 2021-12-16 | 2022-03-15 | 铣立(上海)切削技术有限公司 | Better general ripple milling cutter of radiating effect |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210113 Address after: 335200 glasses Industrial Park, Yujiang District, Yingtan City, Jiangxi Province Patentee after: Jiangxi Jiayi optics Co.,Ltd. Address before: 533000 room 701, building 5, No. 33, No. 5 road, industrial zone, Pingguo County, Baise City, Guangxi Zhuang Autonomous Region Patentee before: Lai Yuhui |