CN219837213U - Twist drill with positioning function - Google Patents
Twist drill with positioning function Download PDFInfo
- Publication number
- CN219837213U CN219837213U CN202320252437.9U CN202320252437U CN219837213U CN 219837213 U CN219837213 U CN 219837213U CN 202320252437 U CN202320252437 U CN 202320252437U CN 219837213 U CN219837213 U CN 219837213U
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- positioning
- rod
- drilling
- locating
- twist drill
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- 238000005553 drilling Methods 0.000 claims abstract description 56
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 230000008093 supporting effect Effects 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
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- Drilling And Boring (AREA)
Abstract
The utility model relates to a twist drill with a positioning function, which relates to the field of twist drills and comprises an integrally formed mounting part and a drilling part; the mounting part is provided with a ring groove, the outside of the mounting part is sleeved with a positioning seat rotating in the ring groove, the positioning seat is provided with a plurality of positioning rods in a sliding manner along the length direction of the mounting part, the positioning rods are parallel to the drilling part, and the positioning rods circumferentially surround the drilling part; the locating rod is sleeved with a return spring which stretches out and draws back along the sliding direction of the locating rod, one end of the return spring is connected with the locating rod, and the other end of the return spring is connected with the locating seat. The positioning rod is arranged, so that the positioning of the drilling part in the direction of rotating the drilling part can be realized, the drilling part is not easy to deviate during drilling, the accuracy of a final hole can be ensured, and the drilling accuracy is greatly improved; after the drilling part is taken out of the hole, the reset spring can achieve the reset effect on the positioning rod.
Description
Technical Field
The utility model relates to the field of twist drills, in particular to a twist drill with positioning function.
Background
Twist drills are tools for mounting on the output shaft of an electric drill and for drilling holes in the surface of a workpiece. The chip flute is spiral and is similar to a twist. The twist drill on the market mainly comprises an integrally formed mounting part and a drilling part, wherein the mounting part is inserted into an output shaft of the hand-held electric drill during drilling, then the drilling part is aligned to a workpiece to be drilled, and the drilling part is manually required to be assisted to complete drilling work in a pressing mode after the electric drill is started. However, the force application direction is inevitably shifted in the manual pressing process, and once the offset of the drilling part is too large, the accuracy of the final hole is directly affected.
Disclosure of Invention
In order to solve the problem that the drilling part is easy to deviate in the drilling process when the drilling part is pressed manually, the utility model provides the twist drill with the positioning function.
The utility model provides a twist drill with positioning function, which adopts the following technical scheme:
a twist drill with positioning function comprises an integrally formed mounting part and a drilling part; the mounting part is provided with a ring groove, the outside of the mounting part is sleeved with a positioning seat rotating in the ring groove, the positioning seat is provided with a plurality of positioning rods in a sliding manner along the length direction of the mounting part, the positioning rods are parallel to the drilling part, and the positioning rods circumferentially surround the drilling part; the locating rod is sleeved with a return spring which stretches out and draws back along the sliding direction of the locating rod, one end of the return spring is connected with the locating rod, and the other end of the return spring is connected with the locating seat.
By adopting the technical scheme, the positioning rod is supported on the surface of the workpiece to be drilled before drilling, and the positioning of the drilling part in the direction of rotating the hole can be realized through the positioning rod, so that the drilling part is not easy to deviate during drilling, the accuracy of a final hole can be ensured, and the drilling accuracy is greatly improved; along with the continuous drilling of the drilling part into the workpiece, the positioning rod pushes the reset spring to gradually stretch, and the reset spring continuously increases the elastic force applied to the positioning rod at the moment, so that the supporting stability of the positioning rod can be continuously improved; when the drilling part is taken out of the hole, the return spring applies a reverse acting force to the positioning rod, so that the positioning rod is reset.
Optionally, the positioning rod is provided with a limit strip, and the limit strip extends along the length direction of the positioning rod; the locating seat is provided with a limit groove matched with the limit strip, and the limit strip is inserted into and arranged in the limit groove in a sliding manner.
Through adopting above-mentioned technical scheme, when the locating lever takes place to slide on the positioning seat, can restrict the rotation of locating lever on the positioning seat through the cooperation of sliding of spacing and spacing groove, guaranteed the stability when the locating lever slides.
Optionally, the positioning seat is connected with a fastener for pressing the positioning rod on the positioning seat in a threaded manner.
By adopting the technical scheme, after the positioning rod is pushed to compress the return spring, the position of the positioning rod is fixed through the fastener, and the return spring can be kept in a compressed state at the moment; the reset spring in the compressed state is convenient for subsequent storage work, and the deformation of the reset spring caused by forced stretching in later storage is reduced, so that the reset spring can be protected.
Optionally, a yielding groove is formed in a side wall, far away from the mounting part, of the positioning rod, a limiting column is arranged on the inner side wall of the yielding groove, a conversion rod is slidably arranged in the yielding groove along the length direction of the positioning rod, a waist-shaped hole for inserting the limiting column is formed in the conversion rod in a penetrating mode, and the conversion rod is rotatably arranged on the limiting column through the waist-shaped hole; the switching pole one end is provided with the spine, the switching pole other end is provided with the brace table.
By adopting the technical scheme, when the condition that the material of the surface of the workpiece to be drilled is softer is met, the conversion rod can be rotated, one end of the conversion rod, which is provided with the spike, is rotated to be opposite to the surface of the workpiece, and the spike can be pricked into the workpiece during drilling, so that the supporting effect of the positioning rod on the workpiece with softer material can be ensured; when the condition that the material of the surface of the workpiece to be drilled is harder is met, the conversion rod can be rotated, one end of the conversion rod, which is provided with the supporting table, is rotated to be opposite to the surface of the workpiece, and the supporting table can ensure a larger contact area with the surface of the workpiece, so that the supporting effect of the positioning rod on the workpiece with harder material can be ensured; therefore, the drilling machine is suitable for drilling work of workpieces of different materials.
Optionally, a rubber pad is arranged on the side wall of the supporting table, which is away from the spike.
Through adopting above-mentioned technical scheme, the frictional force between supporting bench and the work piece can be increased to the rubber pad to stability when can further improve the supporting bench and support.
Optionally, a first threaded column is disposed on a side wall of the spike facing the conversion rod, and the spike is in threaded connection with the conversion rod through the first threaded column.
Through adopting above-mentioned technical scheme, when the tip takes place wearing and tearing in long-time use, only need with the spike on first screw thread post follow transfer pole unscrew can realize the dismantlement to the spike, through the change new spike to can ensure the puncture effect of spike.
Optionally, a second threaded column is arranged on the side wall, facing the conversion rod, of the supporting table, and the supporting table is in threaded connection with the conversion rod through the second threaded column.
Through adopting above-mentioned technical scheme, when the brace table takes place wearing and tearing, only need to follow the change-over lever with the second screw thread post on the brace table and go out can realize dismantling the brace table, thereby can ensure the supporting effect of brace table through the new brace table of renewing.
Optionally, a magnet is arranged on the outer side wall of the conversion rod, and the magnet is used for being mutually attracted with the positioning rod.
Through adopting above-mentioned technical scheme, through the mutual actuation of magnet and locating lever inner wall, can ensure the stability of locating lever transfer lever when carrying out the location. So that the shift rod is not easy to displace.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the positioning rod can position the rotation direction of the drilling part, so that the drilling part is not easy to deviate during drilling, the accuracy of a final hole can be ensured, and the drilling accuracy is greatly improved; when the drilling part is taken out of the hole, the return spring applies a reverse acting force to the positioning rod, so that the positioning rod is reset;
2. the drilling machine can be suitable for drilling work of workpieces of different materials.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present utility model.
Fig. 2 is a schematic diagram of a partial structure explosion of fig. 1.
Fig. 3 is a schematic exploded view of the partial structure of fig. 2.
Reference numerals illustrate: 1. a mounting part; 11. a ring groove; 2. a drilling section; 3. a positioning seat; 31. a positioning rod; 32. a limit bar; 33. a limit groove; 34. a relief groove; 341. a limit column; 35. a switching lever; 350. a waist-shaped hole; 351. spike; 352. a support table; 353. a rubber pad; 354. a first threaded post; 355. a second threaded post; 36. a magnet; 4. a return spring; 5. a fastener.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-3.
The embodiment of the utility model discloses a twist drill with a positioning function. Referring to fig. 1 and 2, the twist drill with positioning comprises an integrally formed mounting part 1 and a drilling part 2, wherein the mounting part 1 and the drilling part 2 are coaxially arranged. The outer side wall of the installation part 1 is provided with a ring groove 11, the outside of the installation part 1 is sleeved with a positioning seat 3 through the ring groove 11, the central shaft of the positioning seat 3 is provided with a bearing, the positioning seat 3 is coaxial with the installation part 1, and the positioning seat 3 is rotatably arranged in the ring groove 11 through the bearing.
As shown in fig. 1 and 2, three groups of positioning rods 31 distributed around the drilling portion 2 at uniform intervals in the circumferential direction are eccentrically arranged on the positioning seat 3, the positioning rods 31 are slidably arranged on the positioning seat 3 along the length direction of the mounting portion 1, and the positioning rods 31 are parallel to the drilling portion 2. The outer side wall of the positioning rod 31 is integrally formed with a limit strip 32, and the limit strip 32 extends along the length direction of the positioning rod 31. The positioning seat 3 is penetrated with a limit groove 33 matched with the limit bar 32, and the limit bar 32 is inserted into and slidingly arranged in the limit groove 33.
As shown in fig. 1 and 2, the positioning rod 31 is coaxially sleeved with a return spring 4 extending and contracting along the sliding direction of the positioning rod 31, one end of the return spring 4 is fixedly connected with the positioning rod 31, the other end of the return spring 4 is fixedly connected with the positioning seat 3, and the return spring 4 is used for resetting the positioning rod 31 after drilling is completed. The positioning seat 3 is further in threaded connection with three groups of fasteners 5 corresponding to the positions of the positioning rods 31 one by one, and in the embodiment, the fasteners 5 are bolts. The fastening members 5 are used for pressing the positioning rods 31 which are opposite to each other on the positioning seat 3, and the screwing direction of the fastening members 5 is perpendicular to the sliding direction of the positioning rods 31.
As shown in fig. 1 and 3, a yielding groove 34 is provided on the side wall of the end portion of the positioning rod 31 away from the mounting portion 1, and a limiting column 341 is fixedly mounted on the inner side wall of the yielding groove 34, and the length direction of the limiting column 341 is mutually perpendicular to the length direction of the positioning rod 31. The conversion rod 35 is slidably arranged in the abdication groove 34 along the length direction of the positioning rod 31, a waist-shaped hole 350 for inserting the limiting column 341 is penetrated through the conversion rod 35, the conversion rod 35 is rotatably arranged on the limiting column 341 through the waist-shaped hole 350, and the limiting column 341 can be slidably arranged in the conversion rod 35 along the length direction of the waist-shaped hole 350. The outer side wall of one end of the switching rod 35 is detachably provided with a conical spike 351, and the outer side wall of the other end of the switching rod 35 is detachably provided with a supporting table 352 which is approximately trapezoidal.
As shown in fig. 1 and 3, a first threaded column 354 is fixedly mounted on a side wall of the spike 351 facing the conversion rod 35, the spike 351 is screwed on the conversion rod 35 through the first threaded column 354, and the spike 351 and the conversion rod 35 are coaxially arranged. The supporting table 352 is fixedly provided with a second threaded column 355 on the side wall facing the conversion rod 35, the supporting table 352 is connected to the conversion rod 35 through the second threaded column 355 in a threaded manner, and the supporting table 352 and the conversion rod 35 are coaxially arranged. A rubber pad 353 is fixedly adhered to the side wall of the support 352 facing away from the spike 351. The magnet 36 for attracting the inner side wall of the abdication groove 34 is fixedly arranged on the outer side wall of the conversion rod 35, and the positioning rod 31 is made of iron material capable of attracting the magnet 36.
The implementation principle of the twist drill with the positioning function provided by the embodiment of the utility model is as follows: the positioning rod 31 is supported on the surface of the workpiece to be drilled before drilling, and the positioning of the drilling part 2 in the direction of rotating the hole can be realized through the positioning rod 31, so that the drilling part 2 is not easy to deviate during drilling, the accuracy of a final hole can be ensured, and the drilling accuracy is greatly improved. Along with the drilling portion 2 being continuously drilled into the workpiece, the positioning rod 31 will push the return spring 4 to gradually stretch, and at this time, the return spring 4 will continuously increase the elastic force applied to the positioning rod 31, so that the supporting stability of the positioning rod 31 can be continuously improved. When the drilling part 2 is taken out of the hole, the return spring 4 applies a reverse acting force to the positioning rod 31, so that the positioning rod 31 is reset.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. A twist drill with positioning function comprises an integrally formed mounting part (1) and a drilling part (2); the method is characterized in that: the device is characterized in that an annular groove (11) is formed in the mounting part (1), a positioning seat (3) rotating in the annular groove (11) is sleeved outside the mounting part (1), a plurality of positioning rods (31) are slidably arranged on the positioning seat (3) along the length direction of the mounting part (1), the positioning rods (31) are parallel to the drilling part (2), and the positioning rods (31) circumferentially surround the drilling part (2); the positioning rod (31) is sleeved with a return spring (4) which stretches along the sliding direction of the positioning rod (31), one end of the return spring (4) is connected with the positioning rod (31), and the other end of the return spring (4) is connected with the positioning seat (3).
2. A self-locating twist drill as set forth in claim 1 wherein: a limiting strip (32) is arranged on the positioning rod (31), and the limiting strip (32) extends along the length direction of the positioning rod (31); the positioning seat (3) is provided with a limiting groove (33) matched with the limiting strip (32), and the limiting strip (32) is inserted into and arranged in the limiting groove (33) in a sliding mode.
3. A self-locating twist drill as set forth in claim 1 wherein: the locating seat (3) is in threaded connection with a fastener (5) used for pressing the locating rod (31) on the locating seat (3).
4. A self-locating twist drill as set forth in claim 2 wherein: the locating device is characterized in that a yielding groove (34) is formed in the side wall, far away from the mounting part (1), of the locating rod (31), a limiting column (341) is arranged on the inner side wall of the yielding groove (34), a conversion rod (35) is slidably arranged in the yielding groove (34) along the length direction of the locating rod (31), a waist-shaped hole (350) for the limiting column (341) to be inserted is formed in the conversion rod (35) in a penetrating mode, and the conversion rod (35) is rotatably arranged on the limiting column (341) through the waist-shaped hole (350); one end of the conversion rod (35) is provided with a spike (351), and the other end of the conversion rod (35) is provided with a supporting table (352).
5. A self-contained positioning twist drill as defined in claim 4 wherein: a rubber pad (353) is arranged on the side wall of the supporting table (352) deviating from the spine (351).
6. A self-contained positioning twist drill as defined in claim 4 wherein: the side wall of the spine (351) facing the conversion rod (35) is provided with a first threaded column (354), and the spine (351) is connected to the conversion rod (35) through the first threaded column (354) in a threaded mode.
7. A self-contained positioning twist drill as defined in claim 4 wherein: the supporting table (352) is provided with a second threaded column (355) on the side wall facing the switching rod (35), and the supporting table (352) is connected to the switching rod (35) through the second threaded column (355) in a threaded mode.
8. A self-contained positioning twist drill as defined in claim 4 wherein: a magnet (36) is arranged on the outer side wall of the switching rod (35), and the magnet (36) is used for being mutually attracted with the positioning rod (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320252437.9U CN219837213U (en) | 2023-02-08 | 2023-02-08 | Twist drill with positioning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320252437.9U CN219837213U (en) | 2023-02-08 | 2023-02-08 | Twist drill with positioning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219837213U true CN219837213U (en) | 2023-10-17 |
Family
ID=88305021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320252437.9U Active CN219837213U (en) | 2023-02-08 | 2023-02-08 | Twist drill with positioning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219837213U (en) |
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2023
- 2023-02-08 CN CN202320252437.9U patent/CN219837213U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |