CN221818889U - Drilling tool with protective structure - Google Patents
Drilling tool with protective structure Download PDFInfo
- Publication number
- CN221818889U CN221818889U CN202323446614.6U CN202323446614U CN221818889U CN 221818889 U CN221818889 U CN 221818889U CN 202323446614 U CN202323446614 U CN 202323446614U CN 221818889 U CN221818889 U CN 221818889U
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- Prior art keywords
- tool
- fixed
- cutter
- adjusting rod
- drilling tool
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- 238000005553 drilling Methods 0.000 title claims abstract description 23
- 230000001681 protective effect Effects 0.000 title claims abstract description 11
- 238000013016 damping Methods 0.000 claims description 18
- 230000000694 effects Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of drilling tools, in particular to a drilling tool with a protective structure, which aims at the problems that the existing drilling tool adopts an integral structure, is easy to fatigue and damage and is not easy to replace a tool bit due to high strength and long duration time when the PCB board is processed, the utility model provides a proposal that the drilling tool comprises a tool bit, a fixed block is fixed at the top end of the tool bit, the tool bit is welded with the fixed block, threaded holes are arranged on two sides of the fixed block, the cutter bar is arranged on the outer side of the fixed block, the fastening screws are connected with the two sides of the cutter bar in a threaded manner, and the cutter head is detachably connected with the cutter bar through the fastening screws.
Description
Technical Field
The utility model relates to a drilling tool, in particular to a drilling tool with a protection structure, and belongs to the technical field of drilling tools.
Background
Drilling is a rough machining method of a hole, and a workpiece to be machined is usually placed on a machining center or a lathe, and is drilled by a drill.
In prior art, as the high temperature resistant PCB board drilling cutter that bulletin number is CN217967357U discloses, including fixed column and tool bit, tool bit fixed mounting in the bottom of fixed column, all fixedly connected with cutting edge all around on tool bit outside surface, thereby need not change different cutters when the hole of different sizes is drilled to needs through mutually supporting between structures such as fixed column, tool bit, cutting edge, solid fixed ring, and reduce the complexity of operating procedure, can improve work efficiency.
However, in the implementation related technology, the following problems exist in the high-temperature-resistant PCB drilling tool designed by the above method: the device does not need to replace different cutters when holes with different sizes are required to be drilled through the mutual matching between the structures, and the complexity of the operation steps is reduced, but the device adopts an integral structure due to the fact that the drilling cutters are easy to fatigue and damage due to high strength and long duration when the PCB is processed, the cutter head is not easy to replace, and the problems of burrs, burst and the like easily occur when the PCB is drilled due to the impact force of the cutter head, so that the processing flatness of a workpiece is seriously affected.
Disclosure of utility model
The utility model provides the drilling tool with the protection structure, which aims to solve the problems that the drilling tool adopts an integral structure, is easy to fatigue and damage due to high strength and long duration time when the PCB is processed, and is difficult to replace the tool bit.
The utility model realizes the above purpose through the following technical scheme: the drilling tool with the protection structure comprises a tool bit, wherein a fixed block is fixed at the top end of the tool bit, and the tool bit is connected with the fixed block in a welding way;
threaded holes are formed in two sides of the fixed block, and a cutter bar is arranged on the outer side of the fixed block;
the two sides of the cutter bar are connected with fastening screws in a threaded manner, the cutter head is detachably connected with the cutter bar through the fastening screws, an adjusting rod is sleeved on the outer side of the cutter bar, and a positioning column is fixed at the top end of the adjusting rod.
As still further aspects of the utility model: the clamping groove is formed in the surface of the cutter bar, the clamping block is fixed in the adjusting rod, and one side of the adjusting rod is connected with the fastening bolt in a threaded mode.
As still further aspects of the utility model: the cutter bar is detachably connected with the adjusting rod through a fastening bolt, the fastening bolt penetrates through the adjusting rod, and a nut is connected to one side of the fastening bolt in a threaded manner.
As still further aspects of the utility model: the outside threaded connection who adjusts the pole has the guard ring, and the bottom threaded connection of guard ring has the screw thread piece, and the bottom mounting of screw thread piece has the protection casing, and the locating hole has been seted up on the surface of adjusting the pole.
As still further aspects of the utility model: the inside of cutter arbor has been seted up the shock attenuation groove, and the inside of shock attenuation groove is provided with the backup pad, and the spout has been seted up to the both sides of shock attenuation groove, and the both sides of backup pad all are fixed with the slider.
As still further aspects of the utility model: the bottom end of backup pad is fixed with the damping pole, and the outside of damping pole is provided with buffer spring, and the bottom end mounting of damping pole has the buffer block.
The beneficial effects of the utility model are as follows:
1. According to the PCB cutter, the cutter head is clamped with the cutter bar, and then the fastening screw is rotated, so that the cutter head and the cutter bar are assembled from the prior art, the cutter is convenient to disassemble, assemble and replace at will, and the problems that the cutter head is difficult to replace due to fatigue damage caused by high strength and long duration when the cutter is used for machining the PCB are avoided.
2. When the cutter completes work, the protective cover is rotated to protect the cutter, so that the service life of the cutter is prolonged; the buffer spring and the damping rod are combined to generate a damping effect, and the buffer block can provide a certain buffering effect, so that the vibration amplitude of the device is reduced, and the stability of the device is enhanced.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a partially disassembled schematic illustration of the present utility model;
FIG. 3 is a schematic view of the internal structure of the tool bar of the present utility model;
FIG. 4 shows a tool bar according to the present utility model the internal structure of the adjusting rod is schematically shown.
In the figure: 1. a cutter head; 2. a cutter bar; 3. an adjusting rod; 4. positioning columns; 5. a guard ring; 6. a protective cover; 7. a clamping block; 8. a clamping groove; 9. positioning holes; 10. a fastening bolt; 11. a screw block; 12. a fixed block; 13. a fastening screw; 14. a buffer block; 15. a damping rod; 16. a buffer spring; 17. a support plate; 18. a chute; 19. a slide block; 20. and (5) a screw cap.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 to 4, a drilling tool with a protective structure comprises a tool bit 1, wherein a fixed block 12 is fixed at the top end of the tool bit 1, and the tool bit 1 is welded with the fixed block 12;
threaded holes are formed in two sides of the fixed block 12, and a cutter bar 2 is arranged on the outer side of the fixed block 12;
The two sides of the cutter bar 2 are connected with fastening screws 13 in a threaded manner, the cutter head 1 is detachably connected with the cutter bar 2 through the fastening screws 13, an adjusting rod 3 is sleeved on the outer side of the cutter bar 2, and a positioning column 4 is fixed on the top end of the adjusting rod 3.
Example two
In addition to all the technical features in the first embodiment, the present embodiment further includes:
The clamping groove 8 is formed in the surface of the cutter bar 2, the clamping block 7 is fixed in the adjusting rod 3, the fastening bolt 10 is connected to one side of the adjusting rod 3 in a threaded mode, the clamping block 7 is clamped with the clamping groove 8 through moving the adjusting rod 3, and connection stability is improved.
The cutter bar 2 is detachably connected with the adjusting rod 3 through the fastening bolt 10, the fastening bolt 10 penetrates through the adjusting rod 3, a nut 20 is connected to one side of the fastening bolt 10 in a threaded mode, the adjusting rod 3 and the cutter bar 2 are penetrated through the fastening bolt 10, the nut 20 is rotated, and therefore assembly of the adjusting rod 3 and the cutter bar 2 is completed.
Example III
In addition to all the technical features in the first embodiment, the present embodiment further includes:
The outside threaded connection who adjusts pole 3 has protection ring 5, and the bottom threaded connection of protection ring 5 has screw thread piece 11, and the bottom mounting of screw thread piece 11 has protection casing 6, and locating hole 9 has been seted up on the surface of adjusting pole 3, and when the cutter accomplished the during operation, rotates protection casing 6, and protection casing 6 protects the cutter, has improved the life of cutter.
The inside of cutter arbor 2 has been seted up the damper groove, and the inside of damper groove is provided with backup pad 17, and spout 18 has been seted up to the both sides of damper groove, and the both sides of backup pad 17 all are fixed with slider 19, and backup pad 17 moves in spout 18 under the cooperation of slider 19 when the cutter receives strong vibrations, is convenient for slow down vibrations.
The bottom end fixing of backup pad 17 has damping pole 15, and damping pole 15's the outside is provided with buffer spring 16, and damping pole 15's bottom end fixing has buffer block 14, and damping pole 15 and buffer spring 16 provide certain shock attenuation effect to the cutter.
Working principle: firstly, the fixed block 12 at the top end of the tool bit 1 is clamped with the tool bar 2, the fastening screw 13 is rotated, the tool bit 1 and the tool bar 2 are fixed, then the length of the tool bar 2 is adjusted according to the depth to be punched, the adjusting rod 3 is moved to enable the clamping block 7 to be clamped with the clamping groove 8, the stability of connection between the adjusting rod 3 and the tool bar 2 is enhanced, the fastening screw 10 penetrates through the positioning hole 9 on the adjusting rod 3, the nut 20 is rotated, thus the assembly of the adjusting rod 3 and the tool bar 2 is completed, then the supporting plate 17 moves in the sliding groove 18 under the cooperation of the sliding block 19 when the tool is subjected to strong vibration, the vibration is conveniently slowed down, the buffer spring 16 in the tool bar 2 and the damping rod 15 are combined to generate a damping effect, the buffer block 14 can provide a certain buffer effect, the amplitude of vibration of the device is reduced, the stability of the device is enhanced, the top end of the adjusting rod 3 is fixed with the positioning column 4, finally the protecting ring 5 is in threaded connection with the adjusting rod 3, the protecting ring 6 is rotated, the threaded block 11 at the top end of the protecting ring 6 is in threaded connection with the protecting ring 5, the protecting ring 6 protects the tool, and the service life of the tool is prolonged.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. Drilling tool with protective structure, including tool bit (1), its characterized in that: a fixed block (12) is fixed at the top end of the cutter head (1), and the cutter head (1) is welded with the fixed block (12);
Screw holes are formed in two sides of the fixed block (12), and a cutter bar (2) is arranged on the outer side of the fixed block (12);
The tool is characterized in that fastening screws (13) are connected to two sides of the tool bar (2) in a threaded mode, the tool bit (1) is detachably connected with the tool bar (2) through the fastening screws (13), an adjusting rod (3) is sleeved on the outer side of the tool bar (2), and a positioning column (4) is fixed to the top end of the adjusting rod (3).
2. A drilling tool having a protective structure according to claim 1, wherein: clamping grooves (8) are formed in the surface of the cutter bar (2), clamping blocks (7) are fixed in the adjusting rod (3), and one side of the adjusting rod (3) is connected with a fastening bolt (10) in a threaded mode.
3. A drilling tool having a protective structure according to claim 2, wherein: the cutter bar (2) is detachably connected with the adjusting rod (3) through a fastening bolt (10), the fastening bolt (10) penetrates through the adjusting rod (3), and a screw cap (20) is connected to one side of the fastening bolt (10) in a threaded mode.
4. A drilling tool having a protective structure according to claim 1, wherein: the outer side threaded connection who adjusts pole (3) has protection ring (5), the bottom threaded connection of protection ring (5) has screw thread piece (11), the bottom mounting of screw thread piece (11) has protection casing (6), locating hole (9) have been seted up on the surface of adjusting pole (3).
5. A drilling tool having a protective structure according to claim 1, wherein: the novel cutter arbor is characterized in that a damping groove is formed in the cutter arbor (2), a supporting plate (17) is arranged in the damping groove, sliding grooves (18) are formed in two sides of the damping groove, and sliding blocks (19) are fixed on two sides of the supporting plate (17).
6. A drilling tool having a guard structure according to claim 5, wherein: the damping rod (15) is fixed at the bottom end of the supporting plate (17), a buffer spring (16) is arranged on the outer side of the damping rod (15), and a buffer block (14) is fixed at the bottom end of the damping rod (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323446614.6U CN221818889U (en) | 2023-12-18 | 2023-12-18 | Drilling tool with protective structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323446614.6U CN221818889U (en) | 2023-12-18 | 2023-12-18 | Drilling tool with protective structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221818889U true CN221818889U (en) | 2024-10-11 |
Family
ID=92952073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323446614.6U Active CN221818889U (en) | 2023-12-18 | 2023-12-18 | Drilling tool with protective structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221818889U (en) |
-
2023
- 2023-12-18 CN CN202323446614.6U patent/CN221818889U/en active Active
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