CN220659323U - Twist drill with internal cooling heat dissipation structure - Google Patents
Twist drill with internal cooling heat dissipation structure Download PDFInfo
- Publication number
- CN220659323U CN220659323U CN202321737599.8U CN202321737599U CN220659323U CN 220659323 U CN220659323 U CN 220659323U CN 202321737599 U CN202321737599 U CN 202321737599U CN 220659323 U CN220659323 U CN 220659323U
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- China
- Prior art keywords
- twist drill
- clamping part
- internal cooling
- twist
- structure according
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- 238000001816 cooling Methods 0.000 title claims abstract description 28
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000005855 radiation Effects 0.000 claims abstract description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 2
- 230000037431 insertion Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Abstract
The utility model provides a twist drill with an internal cooling heat dissipation structure, and belongs to the technical field of twist drills. The twist drill solves the problems of low safety, low cooling effect and the like of the conventional twist drill. This fluted drill with internal cooling heat radiation structure, including fluted drill bit, clamping part and fixing device, fluted drill bit passes through fixing device with the clamping part and is connected, and the clamping part is provided with water inlet and first rivers passageway, and fluted drill bit is provided with delivery port and second rivers passageway, and first rivers passageway and second rivers passageway intercommunication, the delivery port is located the one end of keeping away from the clamping part. The utility model has the advantages of preventing the drill bit from being fixed inadequately, directly cooling the drill bit and the like.
Description
Technical Field
The utility model belongs to the technical field of twist drills, and particularly relates to a twist drill with an internal cooling heat dissipation structure.
Background
Currently, machine tool bits in the market are mainly classified into hard alloy and high-speed steel bits according to materials, wherein the twist drill made of the hard alloy is one of the most common drill types for drilling a workpiece through rotary cutting, and the twist drill is usually in single-blade, double-blade or three-blade specifications. If the twist drill is not high in strength and poor in wear resistance, the spiral groove is limited in chip removal effect during cutting, so that the surface of a workpiece is scratched, burrs and the like, the precision of a machined part is affected, during machining, the drill bit is easily deformed due to high-temperature transmission, the service life of the drill bit is affected, and the machining efficiency is affected.
The existing part twist drills adopt an internal cooling radiating mode and a drill bit replaceable mode to reduce processing cost, such as the existing patent CN204584366U, but the design has the defects that firstly, the twist drills are fixed only by one locating pin, if the locating pin falls off in the working process, the possibility that the drill bit flies out to hurt people exists, and the design of the locating pin must only be small in size due to the fact that the drill bit is small, when the twist drills are replaced and installed, the twist drills are very troublesome, secondly, a water outlet cannot be arranged near the drill bit due to the fact that the drill bit can be replaced, and the cooling effect is reduced.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a twist drill with an internal cooling heat dissipation structure.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a fluted drill with interior cold radiation structure, its characterized in that includes fluted drill bit, clamping part and fixing device, the fluted drill bit with the clamping part passes through fixing device and connects, the clamping part is provided with water inlet and first rivers passageway, the fluted drill bit is provided with delivery port and second rivers passageway, first rivers passageway with second rivers passageway intercommunication, the delivery port is located keep away from the one end of clamping part.
The working principle of the utility model is as follows: when the twist drill needs to be replaced, the fixing device is firstly detached, the twist drill is separated from the clamping part, the new twist drill is replaced, and the twist drill is re-fixed through the fixing device.
In the twist drill with the internal cooling heat dissipation structure, the clamping part is provided with a connecting groove, the twist drill is provided with a connecting block which is inserted into the connecting groove, and the fixing device is used for fixing the connecting block in the connecting groove.
In the twist drill with the internal cooling heat dissipation structure, the connecting block is rectangular.
In the twist drill with the internal cooling heat dissipation structure, the clamping part is provided with a first limiting hole communicated with the connecting groove, the connecting block is provided with a second limiting hole, the first limiting hole is communicated with the second limiting hole, the fixing device comprises a bolt and a nut, and the bolt is used for penetrating through the first limiting hole and the second limiting hole to be in threaded connection with the nut.
In the twist drill with the internal cooling heat dissipation structure, the clamping part is provided with a limiting groove for limiting the nut.
In the twist drill with the internal cooling heat dissipation structure, an extension block is arranged at one end of the twist drill close to the clamping part, and the second water flow channel penetrates through the extension block and is communicated with the first water flow channel.
In the twist drill with the internal cooling heat dissipation structure, the clamping part is provided with a yielding groove for the extension block to be inserted, and the yielding groove is communicated with the first water flow channel.
In the twist drill with the internal cooling heat dissipation structure, the outer side wall of the twist drill is provided with the chip grooves.
In the twist drill with the internal cooling heat dissipation structure, a chip blocking plate is arranged at one end of the clamping part, which is close to the twist drill.
Compared with the prior art, the utility model has the advantages of preventing the drill bit from being fixed inadequately and directly cooling the drill bit.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic cross-sectional structure of the present utility model.
Fig. 3 is a schematic diagram of an exploded construction of the present utility model.
In the figure, 1, a twist drill; 2. a clamping part; 4. a fixing device; 5. a first water flow passage; 6. a second water flow passage; 7. a water outlet; 8. a water inlet; 9. a connecting groove; 10. a connecting block; 11. a first limiting hole; 12. a second limiting hole; 13. a bolt; 14. a screw cap; 15. a limit groove; 16. an extension block; 17. a relief groove; 18. a chip removal groove; 19. and a chip baffle.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1-3, the twist drill with the internal cooling heat dissipation structure comprises a twist drill bit, a clamping part and a fixing device, wherein the twist drill bit is connected with the clamping part through the fixing device, the clamping part is provided with a water inlet and a first water flow channel, the twist drill bit is provided with a water outlet and a second water flow channel, the first water flow channel is communicated with the second water flow channel, and the water outlet is located at one end far away from the clamping part.
Further, the clamping part is provided with the spread groove, the twist drill bit is provided with the connecting block that is used for inserting in the spread groove, fixing device is used for fixing the connecting block in the spread groove, is provided with the butt joint when spread groove and connecting block make things convenient for not having fixedly, also makes things convenient for follow-up through fixing device to fix simultaneously.
Further, the connecting block is cuboid, and is arranged to be convenient for butting the twist drill bit with the clamping part, and the twist drill bit cannot rotate after butting.
Further, be provided with the first spacing hole of intercommunication with the spread groove on the clamping part, be provided with the spacing hole of second on the connecting block, first spacing hole and the spacing hole intercommunication of second, fixing device includes bolt and nut, and the bolt is used for passing first spacing hole and the spacing hole of second and nut threaded connection, fixes through bolt and nut, and the cost is lower, appears losing relevant accessory and also can find the substitute fast.
Further, the clamping part is provided with a limiting groove for limiting the nut, and when the nut is fixed, the nut is limited, so that the nut is prevented from rotating simultaneously when the bolt is rotated.
Further, the twist drill bit is provided with the extension piece near the one end of clamping part, and the second rivers passageway passes the extension piece and communicates with first rivers passageway, and the clamping part is provided with and is used for supplying extension piece male groove of stepping down, and the groove of stepping down communicates with first rivers passageway, should set up and be used for further butt joint between twist drill bit and the clamping part, and this setting can dock first rivers passageway and second rivers passageway simultaneously, reduces the rivers loss, and can place the sealing washer at the tank bottom portion of stepping down.
Further, be provided with the junk slot on the lateral wall of fluted drill bit, prevent sweeps from blockking up the cutting part, lead to fluted drill bit to damage, increase life.
Further, the chip blocking plate is arranged at one end of the clamping part, which is close to the twist drill, so that chips after cutting are prevented from entering the machine tool, and the work of the machine tool is prevented from being influenced.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although a number of terms are used more herein, the use of other terms is not precluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (9)
1. Twist drill with interior cold radiation structure, a serial communication port, including twist drill (1), clamping part (2) and fixing device (4), twist drill (1) with clamping part (2) are connected through fixing device (4), clamping part (2) are provided with water inlet (8) and first rivers passageway (5), twist drill (1) is provided with delivery port (7) and second rivers passageway (6), first rivers passageway (5) with second rivers passageway (6) intercommunication, delivery port (7) are located keep away from the one end of clamping part (2).
2. Twist drill with internal cooling structure according to claim 1, characterized in that the clamping part (2) is provided with a connecting groove (9), the twist drill (1) is provided with a connecting block (10) for insertion into the connecting groove (9), and the fixing device (4) is used for fixing the connecting block (10) in the connecting groove (9).
3. Twist drill with internal cooling structure according to claim 2, characterized in that the connection block (10) is rectangular.
4. Twist drill with internal cooling heat dissipation structure according to claim 2, characterized in that the clamping part (2) is provided with a first limiting hole (11) communicated with the connecting groove (9), the connecting block (10) is provided with a second limiting hole (12), the first limiting hole (11) is communicated with the second limiting hole (12), the fixing device (4) comprises a bolt (13) and a nut (14), and the bolt (13) is used for penetrating the first limiting hole (11) and the second limiting hole (12) to be in threaded connection with the nut (14).
5. Twist drill with internal cooling structure according to claim 4, characterized in that the clamping part (2) is provided with a limit groove (15) for limiting the nut (14).
6. Twist drill with internal cooling structure according to claim 1, characterized in that the end of the twist drill (1) close to the clamping part (2) is provided with an extension block (16), and the second water flow channel (6) is communicated with the first water flow channel (5) through the extension block (16).
7. Twist drill with internal cooling structure according to claim 6, characterized in that the clamping part (2) is provided with a relief groove (17) for the insertion of an extension block (16), the relief groove (17) being in communication with the first water flow channel (5).
8. Twist drill with internal cooling structure according to claim 1, characterized in that the outer side wall of the twist drill (1) is provided with junk slots (18).
9. Twist drill with internal cooling structure according to claim 1, characterized in that the clamping part (2) is provided with a chip baffle (19) near one end of the twist drill (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321737599.8U CN220659323U (en) | 2023-07-04 | 2023-07-04 | Twist drill with internal cooling heat dissipation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321737599.8U CN220659323U (en) | 2023-07-04 | 2023-07-04 | Twist drill with internal cooling heat dissipation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220659323U true CN220659323U (en) | 2024-03-26 |
Family
ID=90341484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321737599.8U Active CN220659323U (en) | 2023-07-04 | 2023-07-04 | Twist drill with internal cooling heat dissipation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220659323U (en) |
-
2023
- 2023-07-04 CN CN202321737599.8U patent/CN220659323U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |