CN213379459U - Metal curved hole drill bit - Google Patents
Metal curved hole drill bit Download PDFInfo
- Publication number
- CN213379459U CN213379459U CN202021538887.7U CN202021538887U CN213379459U CN 213379459 U CN213379459 U CN 213379459U CN 202021538887 U CN202021538887 U CN 202021538887U CN 213379459 U CN213379459 U CN 213379459U
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- drilling
- drill bit
- bit body
- upset
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Abstract
The utility model relates to a metal curved hole drill bit, including the drill bit body, the clamping part, the upset portion, the drilling portion that the drill bit body set gradually by top-down, drill bit body integrated into one piece, the drill bit body wholly adopts high-speed tool steel to make, open drilling portion outer wall has spiral external screw thread, the lower middle part of drilling portion is equipped with grinds the splenium, clamping part and drilling portion diameter are less than upset portion diameter, the drilling position is in the center of upset portion, the utility model discloses simple structure, convenient to use adopts the integrated into one piece drill bit including clamping part, upset portion, drilling portion, and cooperation drive arrangement realizes synchronous drilling, upset and forges, has simplified the processing step, has improved production efficiency, and low cost does benefit to the popularization.
Description
Technical Field
The utility model relates to a drill bit technical field especially relates to a metal curved hole drill bit.
Background
The water-cooling plate is generally used for manufacturing water-cooling heat dissipation equipment, generally comprises a water-cooling motor shell, a die and the like, a water channel of the water-cooling heat dissipation equipment is generally arranged inside a plate, the water channel is difficult to process, the existing water channel is generally processed in a deep drilling mode or a mode of welding and plugging an aluminum plate after a runner is milled by a processing center, the processing technology is complex, and the production cost is high.
Based on this, the utility model provides a purpose-made drilling bit has simplified the processing complexity.
SUMMERY OF THE UTILITY MODEL
Based on above-mentioned technical defect, the utility model provides a curved hole drill bit of metal has solved the technical defect among the above-mentioned technical problem.
The utility model relates to a crooked hole drill bit of metal, including the drill bit body, the clamping part, the upset portion, the drilling portion that the drill bit body set gradually by top-down, drill bit body integrated into one piece, the drill bit body wholly adopts high-speed tool steel to make, open the drilling portion outer wall has spiral external screw thread, the lower middle part of drilling portion is equipped with grinds the splenium, clamping part and drilling portion diameter are less than upset portion diameter, the drilling position is in the center of upset portion.
Further, the drilling part is cylindrical, the upsetting part is cylindrical, the wall on any side of the drilling part is the wall of the upsetting part in the same direction, the horizontal distance between the wall and the wall of the upsetting part is 1-3 cm, one side wall of the clamping part is a plane, other three sides are cambered surfaces, the grinding part is a bulge at the bottom end of the drilling part, and the edge of the grinding part is a cambered surface.
Further, the clamping part is used for being connected with a driving device.
The utility model relates to a hole drill bit is bent to metal, simple structure, convenient to use adopts the integrated into one piece drill bit including clamping part, upset portion, drilling portion, and synchronous drilling, upset are realized to cooperation drive arrangement, have simplified the processing step, have improved production efficiency, and low cost does benefit to the popularization.
Drawings
Fig. 1 is a structural diagram of the present invention.
Wherein: 1. a drill bit body; 11. a clamping portion; 12. an upset portion; 13. and drilling a hole part.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The terms "connected", "set" and "mounted" in this case are respectively fixed or connected as disclosed in the prior art, and include welding, bolting, clamping and the like suitable for the structure.
According to figure 1 the utility model relates to a crooked hole drill bit of metal, including drill bit body 1, drill bit body 1 is by clamping part 11, upset portion 12, the drilling portion 13 that top-down set gradually, drill bit body 1 integrated into one piece, drill bit body 1 wholly adopts high-speed tool steel to make, it has spiral external screw thread to open drilling portion 13 outer wall, the lower middle part of drilling portion 13 is equipped with grinds splenium, clamping part 11 and drilling portion 13 diameter are less than upset portion 12 diameter, drilling portion 13 is located the center of upset portion 12.
Further, the drilling part 13 is cylindrical, the upset part 12 is cylindrical, the wall on any side of the drilling part 13 is the wall of the upset part 12 in the same direction, the horizontal distance is 1-3 cm, one side wall of the clamping part 11 is a plane, the other three sides are arc surfaces, the grinding part is a bulge at the bottom end of the drilling part 13, and the edge of the grinding part is an arc surface.
Further, the clamping portion 11 is used for connecting with a driving device.
The drill bit body 1 of the present invention may further include a rectangular clamping portion 11, an upset portion 12, and a tapered drilling portion 13.
The drilling equipment is used as the driving equipment, the plates for processing are water-cooling plates and water-cooling motor shells, the main material is aluminum, and a drill bit is provided for the integrated processing of a water path, an oil path or an air path of a product;
when the device is used, the plate is flatly laid below the drill bit, the drilling device is connected with the clamping part 11 on the drill bit body 1, the drilling device also carries the drill bit body 1 to carry out X, Y, Z-axis displacement, the grinding and pressing part firstly abuts against the initial point of the hole when the plate is processed, the drill bit body 1 rotates at high speed, the drilling part 13 generates heat with the plate through friction, the plate is gradually melted, then the drilling part 13 slowly extends into the plate to drill a hole from the upper surface of the plate, the length of the drilling part 13 extending into the plate is more than 90% of the whole length, the reserved length is a gap between the upper surface of the plate and the lower surface of the forging and pressing part 12, when the hole depth meets the requirement, the machine tool drives the drill bit body 1 rotating at high speed to move from one end of the plate to the other end, the depth of the drilling part 13 in the plate is still kept while the drill bit body 1 moves, when the drill bit moves, the contact surface of the plate and the drilling part 13 is continuously melted by high-speed rotation, the melted material extruded by the drilling part 13 is forced to overflow upwards, the overflowing material is deposited in a gap between the upper surface of the plate and the upsetting part 12, the diameter of the upsetting part 12 is larger than that of the drilling part 13, therefore, the deposited material is upset-welded by the lower surface of the synchronously moving upsetting part 12, when the length of a water channel is enough, the main shaft of the drilling equipment stops rotating, the drill bit body 1 is driven to lift upwards from the plate, the upset-welded surface is ground or polished subsequently, and the pore channel processing is completed.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model, technical field's ordinary technical personnel do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (3)
1. A kind of metal curved hole bit, characterized by: including the drill bit body, the clamping part, the upset portion, the drilling portion that the drill bit body set gradually by top-down, drill bit body integrated into one piece, the drill bit body is whole to adopt high-speed tool steel to make, open drilling portion outer wall has spiral external screw thread, the lowest end middle part of drilling portion is equipped with grinds splenium, clamping part and drilling portion diameter are less than upset portion diameter, the drilling position is located the center of upset portion.
2. The metal curved-hole drill according to claim 1, characterized in that: the drilling part is cylindrical, the upsetting part is cylindrical, the wall on any side of the drilling part is the wall of the upsetting part in the same direction, the horizontal distance between the wall and the wall of the upsetting part is 1-3 cm, one side wall of the clamping part is a plane, other three sides are cambered surfaces, the grinding part is a bulge at the bottom end of the drilling part, and the edge of the grinding part is a cambered surface.
3. The metal curved-hole drill according to claim 1, characterized in that: the clamping part is used for being connected with a driving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021538887.7U CN213379459U (en) | 2020-07-29 | 2020-07-29 | Metal curved hole drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021538887.7U CN213379459U (en) | 2020-07-29 | 2020-07-29 | Metal curved hole drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213379459U true CN213379459U (en) | 2021-06-08 |
Family
ID=76202929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021538887.7U Active CN213379459U (en) | 2020-07-29 | 2020-07-29 | Metal curved hole drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213379459U (en) |
-
2020
- 2020-07-29 CN CN202021538887.7U patent/CN213379459U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |