CN210334482U - High-performance split type ultrahigh-hardness drill bit - Google Patents
High-performance split type ultrahigh-hardness drill bit Download PDFInfo
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- CN210334482U CN210334482U CN201920616143.3U CN201920616143U CN210334482U CN 210334482 U CN210334482 U CN 210334482U CN 201920616143 U CN201920616143 U CN 201920616143U CN 210334482 U CN210334482 U CN 210334482U
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- positioning block
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Abstract
A high-performance split type ultrahigh-hardness drill bit comprises a positioning drill bit, a positioning block, a limiting plate, a sleeve drill bit, a fixed cylinder, a fixed ring, a sleeve bottom plate and a positioning bolt; the positioning block is fixedly connected with the positioning drill bit; the limiting plate is arranged at the bottom end of the positioning block; the fixed cylinder is arranged at the top end in the sleeve drill bit; the center of the fixed cylinder is in a through hole shape to form a through hole of the fixed cylinder; the fixed ring is arranged on the top surface of the sleeve drill bit; the top end of the positioning drill bit sequentially penetrates through the sleeve drill bit hole and the fixed cylinder through hole, the positioning block teeth are embedded into the positioning block tooth clamping grooves, the limiting plates abut against the bottom surface of the fixed cylinder, the sleeve is in threaded connection through the sleeve through hole and the positioning drill bit external threads in a matched mode, the positioning bolt penetrates through the sleeve positioning hole and stretches into the positioning drill bit hole, and the positioning drill bit is fixed to the sleeve drill bit. The utility model discloses the sleeve drill bit that different specifications can be selected to the needle can be dismantled with the location drill bit and be connected, and connection structure is firm, and the application scope of drill bit is big, and the part can be changed alone, and economic nature is strong.
Description
Technical Field
The utility model relates to a cutter and accessory equipment field, especially a split type super high rigidity drill bit of high performance.
Background
The drill is a tool for drilling through holes or blind holes in solid materials and reaming existing holes. Due to the convenience of drilling, the drill bit is widely applied to various industries. The fields that the drill bit is suitable for are different, and its structural configuration is also diverse, when trompil to crane span structure, cubical switchboard, electrical apparatus cabinet etc. need use the trompil drill bit to carry out the rotary cutting, and the structural style of trompil drill bit sets up a set of location drill bit for the center usually, and the location drill bit sets up a sleeve drill bit outward, installs the drill bit in the electric tool after, and the location drill bit rotates with the sleeve drill bit simultaneously, carries out the rotary cutting to the casing, realizes the purpose of trompil. In the tapping drill bit in the prior art, the positioning drill bit and the sleeve drill bit are of an integrated structure, when the holes with different diameters are drilled, the drill bits with different diameters need to be selected for cutting, a plurality of groups of drill bits with different diameters need to be carried during construction, the carrying is inconvenient, and the switching process is complicated; meanwhile, the positioning drill bit and the sleeve drill bit are of an undetachable structure, when one group of drill bits are damaged, the whole group of drill bits cannot be used, and the drill bits of each group cannot be replaced, so that the application resources are wasted.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of the existence, the utility model discloses a split type super high hardness drill bit of high performance, its concrete technical scheme as follows: a high-performance split type ultrahigh-hardness drill bit comprises a positioning drill bit, a positioning block, a limiting plate, a sleeve drill bit, a fixed cylinder, a fixed ring, a sleeve bottom plate and a positioning bolt; the positioning drill bit is of a round rod-shaped structure, drill bit threads are circumferentially arranged at the bottom end of the positioning drill bit, the positioning block is circumferentially arranged at the middle end of the positioning drill bit, the positioning block is fixedly connected with the positioning drill bit and is of an integrated structure, and the side wall of the positioning block is circumferentially of a lug-shaped structure to form positioning block teeth; the limiting plate is arranged at the bottom end of the positioning block, the limiting plate is fixedly connected with the positioning block, and the positioning limiting plate is circumferentially and fixedly connected with the positioning drill bit; the outer wall of the top end of the positioning drill bit is provided with positioning drill bit external threads; one side of the top end of the positioning drill bit is in a groove shape to form a positioning drill bit hole;
the sleeve drill bit is of a cylindrical structure, the bottom end of the side wall of the sleeve drill bit is of a groove-shaped structure in the circumferential direction to form first drill bit grooves, a second drill bit groove is arranged between every two first drill bit grooves, and the first drill bit grooves and the second drill bit grooves are arranged in a staggered mode; the center of the top end of the sleeve drill bit is in a through hole shape to form a sleeve drill bit hole; the fixed cylinder is arranged at the top end in the sleeve drill bit, the fixed cylinder is vertically and fixedly connected with the sleeve drill bit and is of an integrated structure, the center of the fixed cylinder is in a through hole shape to form a fixed cylinder through hole, the fixed cylinder through hole is communicated with the sleeve drill bit hole, the circumferential direction of the inner wall of the fixed cylinder is in a groove shape to form a positioning block tooth clamping groove; the fixing ring is arranged on the top surface of the sleeve drill bit and fixedly connected with the sleeve drill bit to form an integrated structure, the inner side of the fixing ring is of a groove-shaped structure to form a sleeve clamping groove, and a sleeve drill bit hole is communicated with the sleeve clamping groove;
the sleeve bottom plate is arranged at the bottom end of the sleeve and is vertically and fixedly connected with the sleeve to form an integrated structure, the sleeve and the center of the sleeve bottom plate are in a through hole shape to form a sleeve through hole, sleeve through hole internal threads are circumferentially arranged on the side wall of the sleeve through hole, a sleeve positioning hole is arranged on the side wall of the top end of the sleeve, and the sleeve positioning hole is communicated with the sleeve through hole;
the locating drill bit top runs through in proper order sleeve drill bit hole, solid fixed cylinder through-hole, the embedding of locating piece tooth in the locating piece tooth draw-in groove, the limiting plate supports gu fixed cylinder bottom surface, the sleeve passes through sleeve through-hole internal thread fit locating drill bit external screw thread and realizes threaded connection, and positioning bolt runs through the sleeve locating hole and stretches into in the locating drill bit hole, realizes the locating drill bit with the sleeve drill bit is fixed.
Furthermore, the number of the positioning block teeth is six, and each positioning block tooth is fixedly connected with the top block and is of an integrated structure.
Furthermore, the limiting plate is of a circular ring-shaped structure, the outer diameter of the limiting plate is larger than the diameter of the positioning block teeth, and the diameter of the limiting plate is matched with the outer diameter of the fixed cylinder.
Further, the width and the depth of the first drill bit groove are slightly larger than those of the second drill bit groove.
Further, the height of the fixed cylinder is consistent with that of the positioning block.
Furthermore, the diameter of the through hole of the fixed cylinder is adapted to the diameter of the positioning block.
Furthermore, the number of the positioning block tooth clamping grooves is six, and the shape and the size of each positioning block tooth clamping groove are matched with those of the positioning block teeth.
Furthermore, the sleeve bottom plate is annular, the outer diameter of the sleeve bottom plate is matched with the diameter of the sleeve clamping groove, and the thickness of the sleeve bottom plate is matched with the depth of the sleeve clamping groove.
Further, the outer side wall of the bottom end of the sleeve is hexagonal prism-shaped; the inner diameter of the sleeve is adapted to the diameter of the positioning drill bit.
Furthermore, the number of the sleeve positioning holes is two, and the two sleeve positioning holes are respectively arranged on two sides of the sleeve and symmetrically arranged.
The utility model discloses an installation step does:
(1) and clamping the sleeve drill bit and the positioning drill bit. Selecting a sleeve drill bit with a proper diameter and a proper height, extending the top end of the positioning drill bit into the sleeve drill bit, sequentially penetrating the positioning drill bit through a sleeve drill bit hole and a through hole of the fixed cylinder, extending out of the top surface of the sleeve drill bit, slightly rotating the positioning drill bit, embedding the positioning block teeth into the positioning block tooth clamping grooves until the limiting plate abuts against the bottom surface of the fixed cylinder,
(2) and (5) installing the sleeve. Slide the sleeve into the location drill bit outside from location drill bit top, through sleeve through-hole internal thread fit location drill bit external screw thread, with the sleeve rotation downwards, until sleeve bottom plate embedding sleeve draw-in groove in.
(3) Fix the sleeve bit and position the bit. The positioning drill bit is held through the tool clamp, the bottom end of the sleeve is held through the tool clamp, the sleeve is rotated, the sleeve bottom plate abuts against the top surface of the sleeve drill bit, the sleeve stops being screwed until one sleeve positioning hole is aligned with the positioning drill bit hole, the positioning bolt is taken out to penetrate through the sleeve positioning hole and extend into the positioning drill bit hole, and the sleeve drill bit and the positioning drill bit are fixed.
The utility model has the advantages that:
the split type drill bit capable of being assembled and installed is designed in a novel mode and can be disassembled into the positioning drill bit, the sleeve drill bit and the sleeve, when holes with different apertures are required to be formed, the sleeve drill bits with different diameters and different heights can be selected to be installed and connected with the positioning drill bit, the sleeve drill bit and the positioning drill bit can be combined randomly, in the using process, the sleeve drill bit can be replaced independently, multiple using requirements can be met, the connecting structure is firm, the replacing process is simple and convenient, and the application range of the drill bit is enlarged; meanwhile, each component is designed to be detachable and replaceable, and the components can be replaced independently, so that the service life of the drill bit is prolonged, the resource utilization is saved, and the economical efficiency is high.
Drawings
Fig. 1 is a schematic sectional view of the whole of the present invention.
Fig. 2 is a schematic cross-sectional view of the sleeve bit of the present invention.
Fig. 3 is a schematic view of the installation structure of the positioning drill and the fixed cylinder of the present invention.
Fig. 4 is a schematic structural view of the sleeve bit of the present invention.
Fig. 5 is a schematic structural view of the sleeve of the present invention.
List of reference numerals: the positioning drill bit comprises a positioning drill bit 1, drill bit threads 1-1, positioning drill bit external threads 1-2, positioning drill bit holes 1-3, a positioning block 2, positioning block teeth 2-1, a limiting plate 3, a sleeve drill bit 4, a first drill bit groove 4-1, a second drill bit groove 4-2, sleeve drill bit holes 4-3, sleeve clamping grooves 4-4, a fixed cylinder 5, a fixed cylinder through hole 5-1, positioning block tooth clamping grooves 5-2, a fixed ring 6, a sleeve 7, a sleeve through hole 7-1, sleeve through hole internal threads 7-2, sleeve positioning holes 7-3, a sleeve bottom plate 8 and positioning bolts 9.
Detailed Description
For making the technical scheme of the utility model clear more clearly and definitely, it is right to combine the drawing below the utility model discloses further describe, any is right the utility model discloses technical scheme's technical characteristic carries out the scheme that equivalent replacement and conventional reasoning reachs and all falls into the utility model discloses protection scope. The fixed connection, the fixed arrangement and the fixed structure mentioned in the embodiment are known technologies known to those skilled in the art, such as gluing, welding, screwing, bolt-nut connection, riveting and the like.
The attached drawing shows that the high-performance split type ultrahigh-hardness drill bit comprises a positioning drill bit, a positioning block, a limiting plate, a sleeve drill bit, a fixed cylinder, a fixed ring, a sleeve bottom plate and a positioning bolt; the positioning drill bit is of a round rod-shaped structure, drill bit threads are circumferentially arranged at the bottom end of the positioning drill bit, the positioning block is circumferentially arranged at the middle end of the positioning drill bit, the positioning block is fixedly connected with the positioning drill bit and is of an integrated structure, and the side wall of the positioning block is circumferentially of a lug-shaped structure to form positioning block teeth; the limiting plate is arranged at the bottom end of the positioning block, the limiting plate is fixedly connected with the positioning block, and the positioning limiting plate is circumferentially and fixedly connected with the positioning drill bit; the outer wall of the top end of the positioning drill bit is provided with positioning drill bit external threads; one side of the top end of the positioning drill bit is in a groove shape to form a positioning drill bit hole;
the sleeve drill bit is of a cylindrical structure, the bottom end of the side wall of the sleeve drill bit is of a groove-shaped structure in the circumferential direction to form first drill bit grooves, a second drill bit groove is arranged between every two first drill bit grooves, and the first drill bit grooves and the second drill bit grooves are arranged in a staggered mode; the center of the top end of the sleeve drill bit is in a through hole shape to form a sleeve drill bit hole; the fixed cylinder is arranged at the top end in the sleeve drill bit, the fixed cylinder is vertically and fixedly connected with the sleeve drill bit and is of an integrated structure, the center of the fixed cylinder is in a through hole shape to form a fixed cylinder through hole, the fixed cylinder through hole is communicated with the sleeve drill bit hole, the circumferential direction of the inner wall of the fixed cylinder is in a groove shape to form a positioning block tooth clamping groove; the fixing ring is arranged on the top surface of the sleeve drill bit and fixedly connected with the sleeve drill bit to form an integrated structure, the inner side of the fixing ring is of a groove-shaped structure to form a sleeve clamping groove, and a sleeve drill bit hole is communicated with the sleeve clamping groove;
the sleeve bottom plate is arranged at the bottom end of the sleeve and is vertically and fixedly connected with the sleeve to form an integrated structure, the sleeve and the center of the sleeve bottom plate are in a through hole shape to form a sleeve through hole, sleeve through hole internal threads are circumferentially arranged on the side wall of the sleeve through hole, a sleeve positioning hole is arranged on the side wall of the top end of the sleeve, and the sleeve positioning hole is communicated with the sleeve through hole;
the locating drill bit top runs through in proper order sleeve drill bit hole, solid fixed cylinder through-hole, the embedding of locating piece tooth in the locating piece tooth draw-in groove, the limiting plate supports gu fixed cylinder bottom surface, the sleeve passes through sleeve through-hole internal thread fit locating drill bit external screw thread and realizes threaded connection, and positioning bolt runs through the sleeve locating hole and stretches into in the locating drill bit hole, realizes the locating drill bit with the sleeve drill bit is fixed.
Furthermore, the number of the positioning block teeth is six, and each positioning block tooth is fixedly connected with the top block and is of an integrated structure.
Furthermore, the limiting plate is of a circular ring-shaped structure, the outer diameter of the limiting plate is larger than the diameter of the positioning block teeth, and the diameter of the limiting plate is matched with the outer diameter of the fixed cylinder.
Further, the width and the depth of the first drill bit groove are slightly larger than those of the second drill bit groove.
Further, the height of the fixed cylinder is consistent with that of the positioning block.
Furthermore, the diameter of the through hole of the fixed cylinder is adapted to the diameter of the positioning block.
Furthermore, the number of the positioning block tooth clamping grooves is six, and the shape and the size of each positioning block tooth clamping groove are matched with those of the positioning block teeth.
Furthermore, the sleeve bottom plate is annular, the outer diameter of the sleeve bottom plate is matched with the diameter of the sleeve clamping groove, and the thickness of the sleeve bottom plate is matched with the depth of the sleeve clamping groove.
Further, the outer side wall of the bottom end of the sleeve is hexagonal prism-shaped; the inner diameter of the sleeve is adapted to the diameter of the positioning drill bit.
Furthermore, the number of the sleeve positioning holes is two, and the two sleeve positioning holes are respectively arranged on two sides of the sleeve and symmetrically arranged.
The utility model discloses an installation step does:
(1) and clamping the sleeve drill bit and the positioning drill bit. Selecting a sleeve drill bit with a proper diameter and a proper height, extending the top end of the positioning drill bit into the sleeve drill bit, sequentially penetrating the positioning drill bit through a sleeve drill bit hole and a through hole of the fixed cylinder, extending out of the top surface of the sleeve drill bit, slightly rotating the positioning drill bit, embedding the positioning block teeth into the positioning block tooth clamping grooves until the limiting plate abuts against the bottom surface of the fixed cylinder,
(2) and (5) installing the sleeve. Slide the sleeve into the location drill bit outside from location drill bit top, through sleeve through-hole internal thread fit location drill bit external screw thread, with the sleeve rotation downwards, until sleeve bottom plate embedding sleeve draw-in groove in.
(3) Fix the sleeve bit and position the bit. The positioning drill bit is held through the tool clamp, the bottom end of the sleeve is held through the tool clamp, the sleeve is rotated, the sleeve bottom plate abuts against the top surface of the sleeve drill bit, the sleeve stops being screwed until one sleeve positioning hole is aligned with the positioning drill bit hole, the positioning bolt is taken out to penetrate through the sleeve positioning hole and extend into the positioning drill bit hole, and the sleeve drill bit and the positioning drill bit are fixed.
The utility model has the advantages that:
the split type drill bit capable of being assembled and installed is designed in a novel mode and can be disassembled into the positioning drill bit, the sleeve drill bit and the sleeve, when holes with different apertures are required to be formed, the sleeve drill bits with different diameters and different heights can be selected to be installed and connected with the positioning drill bit, the sleeve drill bit and the positioning drill bit can be combined randomly, in the using process, the sleeve drill bit can be replaced independently, multiple using requirements can be met, the connecting structure is firm, the replacing process is simple and convenient, and the application range of the drill bit is enlarged; meanwhile, each component is designed to be detachable and replaceable, and the components can be replaced independently, so that the service life of the drill bit is prolonged, the resource utilization is saved, and the economical efficiency is high.
Claims (10)
1. A high-performance split type ultrahigh-hardness drill bit is characterized by comprising a positioning drill bit, a positioning block, a limiting plate, a sleeve drill bit, a fixed cylinder, a fixed ring, a sleeve bottom plate and a positioning bolt; the positioning drill bit is of a round rod-shaped structure, drill bit threads are circumferentially arranged at the bottom end of the positioning drill bit, the positioning block is circumferentially arranged at the middle end of the positioning drill bit, the positioning block is fixedly connected with the positioning drill bit and is of an integrated structure, and the side wall of the positioning block is circumferentially of a lug-shaped structure to form positioning block teeth; the limiting plate is arranged at the bottom end of the positioning block, the limiting plate is fixedly connected with the positioning block, and the positioning limiting plate is circumferentially and fixedly connected with the positioning drill bit; the outer wall of the top end of the positioning drill bit is provided with positioning drill bit external threads; one side of the top end of the positioning drill bit is in a groove shape to form a positioning drill bit hole;
the sleeve drill bit is of a cylindrical structure, the bottom end of the side wall of the sleeve drill bit is of a groove-shaped structure in the circumferential direction to form first drill bit grooves, a second drill bit groove is arranged between every two first drill bit grooves, and the first drill bit grooves and the second drill bit grooves are arranged in a staggered mode; the center of the top end of the sleeve drill bit is in a through hole shape to form a sleeve drill bit hole; the fixed cylinder is arranged at the top end in the sleeve drill bit, the fixed cylinder is vertically and fixedly connected with the sleeve drill bit and is of an integrated structure, the center of the fixed cylinder is in a through hole shape to form a fixed cylinder through hole, the fixed cylinder through hole is communicated with the sleeve drill bit hole, the circumferential direction of the inner wall of the fixed cylinder is in a groove shape to form a positioning block tooth clamping groove; the fixing ring is arranged on the top surface of the sleeve drill bit and fixedly connected with the sleeve drill bit to form an integrated structure, the inner side of the fixing ring is of a groove-shaped structure to form a sleeve clamping groove, and a sleeve drill bit hole is communicated with the sleeve clamping groove;
the sleeve bottom plate is arranged at the bottom end of the sleeve and is vertically and fixedly connected with the sleeve to form an integrated structure, the sleeve and the center of the sleeve bottom plate are in a through hole shape to form a sleeve through hole, sleeve through hole internal threads are circumferentially arranged on the side wall of the sleeve through hole, a sleeve positioning hole is arranged on the side wall of the top end of the sleeve, and the sleeve positioning hole is communicated with the sleeve through hole;
the locating drill bit top runs through in proper order sleeve drill bit hole, solid fixed cylinder through-hole, the embedding of locating piece tooth in the locating piece tooth draw-in groove, the limiting plate supports gu fixed cylinder bottom surface, the sleeve passes through sleeve through-hole internal thread fit locating drill bit external screw thread and realizes threaded connection, and positioning bolt runs through the sleeve locating hole and stretches into in the locating drill bit hole, realizes the locating drill bit with the sleeve drill bit is fixed.
2. The high-performance split type ultrahigh-hardness drill bit according to claim 1, wherein the number of the positioning block teeth is six, and each positioning block tooth is fixedly connected with the positioning block and is of an integrated structure.
3. The high-performance split type ultrahigh-hardness drill bit according to claim 1, wherein the limiting plate is of a circular ring structure, the outer diameter of the limiting plate is larger than the diameter of the positioning block teeth, and the diameter of the limiting plate is matched with the outer diameter of the fixed cylinder.
4. The high-performance split ultra-high hardness drill bit according to claim 1, wherein the width and depth of the first drill bit groove are slightly larger than those of the second drill bit groove.
5. The high-performance split ultra-high hardness drill bit according to claim 1, wherein the height of the fixing cylinder is consistent with that of the positioning block.
6. The high-performance split type ultrahigh-hardness drill bit according to claim 1, wherein the diameter of the through hole of the fixed cylinder is adapted to the diameter of the positioning block.
7. The high-performance split type ultrahigh-hardness drill bit according to claim 1, wherein the number of the positioning block tooth clamping grooves is six, and the shape and the size of each positioning block tooth clamping groove are adapted to the shape and the size of the positioning block tooth.
8. The high-performance split type ultrahigh-hardness drill bit according to claim 1, wherein the sleeve bottom plate is annular, the outer diameter of the sleeve bottom plate is adapted to the diameter of the sleeve clamping groove, and the thickness of the sleeve bottom plate is adapted to the depth of the sleeve clamping groove.
9. The high-performance split ultra-high hardness drill bit according to claim 1, wherein the outer side wall of the bottom end of the sleeve is hexagonal prism-shaped; the inner diameter of the sleeve is adapted to the diameter of the positioning drill bit.
10. The split type high-hardness drill bit as claimed in claim 1, wherein the number of the sleeve positioning holes is two, and the sleeve positioning holes are symmetrically arranged on two sides of the sleeve respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920616143.3U CN210334482U (en) | 2019-04-30 | 2019-04-30 | High-performance split type ultrahigh-hardness drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920616143.3U CN210334482U (en) | 2019-04-30 | 2019-04-30 | High-performance split type ultrahigh-hardness drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210334482U true CN210334482U (en) | 2020-04-17 |
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ID=70181430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920616143.3U Active CN210334482U (en) | 2019-04-30 | 2019-04-30 | High-performance split type ultrahigh-hardness drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210334482U (en) |
-
2019
- 2019-04-30 CN CN201920616143.3U patent/CN210334482U/en active Active
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