CN219786664U - Anti-fracture high-speed steel straight shank twist drill - Google Patents
Anti-fracture high-speed steel straight shank twist drill Download PDFInfo
- Publication number
- CN219786664U CN219786664U CN202320437327.XU CN202320437327U CN219786664U CN 219786664 U CN219786664 U CN 219786664U CN 202320437327 U CN202320437327 U CN 202320437327U CN 219786664 U CN219786664 U CN 219786664U
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- CN
- China
- Prior art keywords
- twist drill
- speed steel
- straight shank
- steel straight
- mounting block
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- 229910000997 High-speed steel Inorganic materials 0.000 title claims abstract description 27
- 230000002968 anti-fracture Effects 0.000 title claims abstract description 17
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 abstract description 11
- 239000010687 lubricating oil Substances 0.000 abstract description 10
- 238000005553 drilling Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Drilling Tools (AREA)
Abstract
The utility model discloses an anti-fracture high-speed steel straight shank twist drill, which comprises a twist drill body and a stabilizing mechanism, wherein a reinforcing rod is fixedly connected to the inside of the twist drill body; the stabilizing mechanism comprises a first installation block and a second installation block, a bearing is fixedly connected inside the first installation block, auxiliary frames are arranged on the lower surface of the first installation block and the upper surface of the second installation block, and connecting rods are connected in the auxiliary frames in a rotating mode. Through the structure, lubricating oil can be conveniently added to the twist drill by utilizing the guide flow channel and the channel, and meanwhile, the twist drill is limited by utilizing the two mounting blocks, so that the twist drill is in a vertical state and cannot deviate, the phenomenon that the twist drill cannot break during drilling is avoided, and the practicability of the device is improved.
Description
Technical Field
The utility model relates to the technical field of twist drills, in particular to an anti-fracture high-speed steel straight shank twist drill.
Background
Twist drills are tools which drill round holes in a workpiece by rotating the twist drills about a fixed axis, and can be clamped on hand-held drilling tools which are manual and electric, and can also be used on drilling machines, milling machines and lathes.
The applicant has found through searching that chinese patent discloses a "twist drill", its application number is "201320120433.1", this patent is provided with the end face cutting edge mainly not only at the drill bit top, be provided with the side cutting edge again in the side of tool bit, the side cutting edge of drill bit also can cut the work piece in the in-process of boring like this, the resistance that the drill bit was bored has been reduced, so not only improved the drill bit efficiency of boring, also make the effect of twist drill boring better, but in the scheme of above-mentioned, the drilling floor that makes the twist drill take place the slope easily when boring, thereby can lead to the phenomenon that the twist drill takes place the fracture, so the present needs a prevent the high-speed steel straight shank twist drill of fracture to solve above-mentioned problem.
Disclosure of Invention
The utility model aims to at least solve one of the technical problems in the prior art, and provides an anti-fracture high-speed steel straight shank twist drill, which can conveniently add lubricating oil to the twist drill by utilizing a guide channel and a channel, simultaneously limit by utilizing two mounting blocks, ensure that the twist drill is in a vertical state, avoid the phenomenon of deviation, ensure that the twist drill is not fractured during drilling, and improve the practicability of the device.
The utility model also provides the anti-fracture high-speed steel straight shank twist drill, which comprises the twist drill body and a stabilizing mechanism, wherein the inside of the twist drill body is fixedly connected with a reinforcing rod, the surface of the twist drill body is provided with a mounting groove, the inside of the mounting groove is provided with a grid plate, the inner bottom of the mounting groove is provided with a channel, and the side surface of the channel is provided with a guide channel; the stabilizing mechanism comprises a first installation block and a second installation block, a bearing is fixedly connected inside the first installation block, auxiliary frames are arranged on the lower surface of the first installation block and the upper surface of the second installation block, and connecting rods are connected in the auxiliary frames in a rotating mode. Can utilize the guide channel and the passageway can be convenient for add lubricating oil to the fluted drill, utilize two installation block ground spacing simultaneously, guarantee that the fluted drill is in vertical state, the phenomenon that can not take place the skew guarantees that the fluted drill can not take place cracked phenomenon when drilling, improves the practicality of device.
According to the anti-fracture high-speed steel straight shank twist drill, the side surface of the twist drill body is connected with the inner side surface of the bearing.
According to the anti-fracture high-speed steel straight shank twist drill, the channel is communicated with the outside through the guide channel. The lubricating oil can flow into the holes conveniently, and the twist drill is prevented from being in a clamping state.
According to the anti-fracture high-speed steel straight shank twist drill, the through hole is formed in the upper surface of the second mounting block, and the diameter of a round hole of the through hole is larger than that of the twist drill body. The twist drill is convenient to be in a normal working state.
According to the anti-fracture high-speed steel straight shank twist drill, the two auxiliary frames are rotationally connected through the movable pin.
According to the anti-fracture high-speed steel straight shank twist drill, threads of the twist drill body are not in the through hole.
According to the anti-fracture high-speed steel straight shank twist drill, the number of the reinforcing rods and the number of the guide channels are multiple, and the reinforcing rods and the guide channels are uniformly distributed. Ensuring the firmness of the twist drill and ensuring the twist drill to be in better contact with lubricating oil.
According to the anti-fracture high-speed steel straight shank twist drill, the first mounting block is positioned above the second mounting block.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is an overall block diagram of a stabilizing mechanism of an anti-fracture high speed steel straight shank twist drill of the present utility model;
FIG. 2 is a cross-sectional view of a break-resistant high speed steel straight shank twist drill of the present utility model;
FIG. 3 is a schematic structural view of a stabilizing mechanism of the anti-fracture high-speed steel straight shank twist drill of the present utility model;
FIG. 4 is an elevation view of a breakage resistant high speed steel straight shank twist drill of the present utility model;
fig. 5 is an enlarged view at a in fig. 2.
Legend description:
1. a twist drill body; 2. a reinforcing rod; 3. a mounting groove; 4. a grid plate; 5. a channel; 6. a flow guide channel; 7. a stabilizing mechanism;
71. a first mounting block; 72. a second mounting block; 73. a bearing; 74. an auxiliary frame; 75. a connecting rod; 76. and a through hole.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-5, the anti-breaking high-speed steel straight shank twist drill in the embodiment of the utility model comprises a twist drill body 1 and a stabilizing mechanism 7, wherein threads of the twist drill body 1 are not in the through hole 76, the side surface of the twist drill body 1 is connected with the inner side surface of a bearing 73, the reinforcing rods 2 are fixedly connected with the inside of the twist drill body 1, the reinforcing rods 2 are uniformly distributed, the firmness of the twist drill and better contact between the twist drill and lubricating oil are ensured, a mounting groove 3 is formed in the surface of the twist drill body 1, a grid plate 4 is arranged in the mounting groove 3, a channel 5 is arranged at the inner bottom of the mounting groove 3, the channel 5 is communicated with the outside through the flow guiding channel 6, lubricating oil is prevented from flowing into the hole conveniently, the twist drill is prevented from being in a blocked state, and the flow guiding channel 6 is formed in the side surface of the channel 5.
The stabilizing mechanism 7 comprises a first mounting block 71 and a second mounting block 72, the first mounting block 71 is located above the second mounting block 72, a through hole 76 is formed in the upper surface of the second mounting block 72, the diameter of a round hole of the through hole 76 is larger than that of the twist drill body 1, the twist drill is convenient to be in a normal working state, a bearing 73 is fixedly connected to the inside of the first mounting block 71, auxiliary frames 74 are arranged on the lower surface of the first mounting block 71 and the upper surface of the second mounting block 72, the two auxiliary frames 74 are connected in a rotating mode through movable pins, and connecting rods 75 are connected in an inner rotating mode of the auxiliary frames 74.
Working principle: when the twist drill is used, lubricating oil can flow into the channel 5 through the mounting groove 3, then the lubricating oil flows into the hole through the guide channel 6, so that the lubricating oil can be in contact with the twist drill and the hole wall, and the hole can be drilled better, meanwhile, when the twist drill is drilled, the surface of an object is in contact with the mounting block II 72, the normal rotation of the twist drill body 1 can not be influenced through the bearing 73 by holding the mounting block I71, when the twist drill is drilled into the object through the connecting rods 75 on the auxiliary frame 74, the mounting block 72 can move upwards through the rotation of the two connecting rods 75, and the twist drill can not be inclined during the hole drilling through the through holes 76 on the mounting block II 72 and the bearing 73 on the mounting block I71, so that the phenomenon of fracture can be avoided.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (8)
1. The utility model provides a prevent high-speed steel straight shank twist drill of fracture, its characterized in that includes twist drill body (1) and stabilizing mean (7), the inside fixedly connected with stiffening rod (2) of twist drill body (1), mounting groove (3) have been seted up on the surface of twist drill body (1), the inside of mounting groove (3) is provided with grid plate (4), the inner bottom of mounting groove (3) is provided with passageway (5), guide channel (6) have been seted up on the side surface of passageway (5);
the stabilizing mechanism (7) comprises a first mounting block (71) and a second mounting block (72), a bearing (73) is fixedly connected to the inside of the first mounting block (71), auxiliary frames (74) are respectively arranged on the lower surface of the first mounting block (71) and the upper surface of the second mounting block (72), and connecting rods (75) are respectively connected in the auxiliary frames (74) in a rotating mode.
2. A breakage-proof high-speed steel straight shank twist drill according to claim 1, characterized in that the side surface of the twist drill body (1) is connected with the inner side surface of the bearing (73).
3. A breakage-proof high-speed steel straight shank twist drill according to claim 1, characterized in that the channel (5) communicates with the outside through a flow guide channel (6).
4. The anti-fracture high-speed steel straight shank twist drill according to claim 1, wherein a through hole (76) is formed in the upper surface of the second mounting block (72), and the diameter of a round hole of the through hole (76) is larger than that of the twist drill body (1).
5. A breakage-proof high-speed steel straight shank twist drill according to claim 1, characterized in that two of the auxiliary frames (74) are rotatably connected by means of a movable pin.
6. A breakage-proof high-speed steel straight shank twist drill according to claim 1, characterized in that the screw thread of the twist drill body (1) is not located inside the through hole (76).
7. The anti-fracture high-speed steel straight shank twist drill according to claim 1, wherein the number of the reinforcing rods (2) and the guide channels (6) is multiple, and the reinforcing rods and the guide channels are uniformly distributed.
8. A break-resistant high speed steel straight shank twist drill according to claim 1, wherein the first mounting block (71) is located above the second mounting block (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320437327.XU CN219786664U (en) | 2023-03-09 | 2023-03-09 | Anti-fracture high-speed steel straight shank twist drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320437327.XU CN219786664U (en) | 2023-03-09 | 2023-03-09 | Anti-fracture high-speed steel straight shank twist drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219786664U true CN219786664U (en) | 2023-10-03 |
Family
ID=88183670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320437327.XU Active CN219786664U (en) | 2023-03-09 | 2023-03-09 | Anti-fracture high-speed steel straight shank twist drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219786664U (en) |
-
2023
- 2023-03-09 CN CN202320437327.XU patent/CN219786664U/en active Active
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| GR01 | Patent grant |