CN219968233U - High temperature resistant PCB board drilling cutter - Google Patents
High temperature resistant PCB board drilling cutter Download PDFInfo
- Publication number
- CN219968233U CN219968233U CN202321361685.3U CN202321361685U CN219968233U CN 219968233 U CN219968233 U CN 219968233U CN 202321361685 U CN202321361685 U CN 202321361685U CN 219968233 U CN219968233 U CN 219968233U
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- Prior art keywords
- cutter
- tool
- cutter head
- handle
- cover plate
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- 238000005553 drilling Methods 0.000 title claims abstract description 39
- 230000017525 heat dissipation Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 150000003071 polychlorinated biphenyls Chemical class 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 230000009975 flexible effect Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model discloses a high-temperature-resistant PCB drilling tool, which relates to the technical field of PCBs and comprises a tool shank and a tool bit arranged at the bottom of the tool shank, wherein the tool bit is connected with the tool shank through a telescopic spring, an outer cover plate is arranged outside the telescopic spring, the outer cover plate is fixedly arranged on the outer wall of the tool bit, the inner wall of the outer cover plate is connected with the tool shank through a connecting rod, and a plurality of groups of connecting rods are arranged on the inner side of the outer cover plate. According to the utility model, the telescopic spring is arranged between the cutter handle and the cutter head, so that the cutter head can buffer impact force through the telescopic spring when drilling is carried out on the bottom of the cutter handle, the cutter head can conveniently carry out telescopic drilling on the bottom, the drilling efficiency of the cutter is improved, the heat dissipation of the cutter head is facilitated to be realized through the telescopic movement of the cutter head, the long-time work of the cutter is facilitated, the service life of the cutter is prolonged, the problems of burrs, cracks and the like of the cutter when drilling are avoided, and the processing flatness of a PCB (printed circuit board) is ensured.
Description
Technical Field
The utility model relates to the technical field of PCB boards, in particular to a high-temperature-resistant PCB board drilling tool.
Background
The PCB, chinese name printed circuit board, also called printed circuit board, is an important electronic component, is a support of electronic components, is a carrier for electronic components to be electrically connected with each other, is called a 'printed' circuit board because it is made by adopting electronic printing technology, and is installed to a proper position for use after being used by needing to drill holes, so that a drilling tool is needed when drilling holes.
In chinese patent publication No. CN217967357U, a drilling tool for high temperature resistant PCB board is disclosed, which uses the mutual cooperation of fixing column, tool bit, cutting edge, groove, expanding cutting edge, sliding groove, sliding block, connecting rod, connecting column, screw thread ring, fixing ring, etc. to avoid changing different tools when holes with different sizes need to be drilled, thus reducing the complexity of operation steps, and improving the working efficiency.
The drilling tool realizes that holes with different sizes are drilled without replacing the tool, but because the drilling tool adopts an integral structure, the drilling tool is easy to fatigue and damage due to high strength and long duration time when being used for machining the PCB, and the problems of burrs, burst and the like of the PCB during drilling are easy to occur due to the impact force of the tool bit, so that the machining flatness of the PCB is seriously affected.
Disclosure of Invention
The utility model aims to solve the problems that the existing drilling tool adopts an integral structure, is easy to fatigue and damage due to high strength and long duration time when being used for processing a PCB, and is easy to cause burrs, burst and the like when the PCB is drilled due to the impact force of a tool bit, and the processing evenness of the PCB is seriously affected.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a high temperature resistant PCB board drilling cutter, includes handle of a knife and sets up the tool bit in the handle of a knife bottom, connect through the extension spring between tool bit and the handle of a knife, and the outside of extension spring is provided with the outer cover board, the outer wall fixed mounting at the tool bit of outer cover board, and the inner wall of outer cover board is connected with the handle of a knife through the connecting rod to the connecting rod is provided with the multiunit in the inboard of outer cover board;
the top of connecting rod passes through the pin and installs in the bottom of handle of a knife, and the bottom fixedly connected with slider of connecting rod, the outer wall sliding connection of slider has the spout, and the spout is offered at the inner wall of dustcoat board.
As a further description of the above technical solution:
the bottom spiral of tool bit has seted up multiunit cutting edge, and the top of cutting edge is provided with the chip groove to the chip groove is offered at the outer wall annular of tool bit.
As a further description of the above technical solution:
the upper part of the chip groove is provided with a heat dissipation groove, and the heat dissipation groove is vertically arranged on the outer wall of the cutter head in an annular shape.
As a further description of the above technical solution:
the upper part of the cutter head is provided with a movable groove capable of accommodating the telescopic spring.
As a further description of the above technical solution:
the central axis of the shank coincides with the central axis of the tool bit, and a slot capable of accommodating the installation of the pin is formed in the periphery of the shank.
As a further description of the above technical solution:
the grooves are formed in multiple groups at equal intervals with respect to the annular shape of the connecting rod.
In conclusion, by adopting the technical scheme, the utility model has the beneficial effects that:
1. according to the utility model, the telescopic spring is arranged between the cutter handle and the cutter head, so that the cutter head can buffer impact force through the telescopic spring when drilling is carried out on the bottom of the cutter handle, the cutter head can conveniently carry out telescopic drilling on the bottom, the drilling efficiency of the cutter is improved, the heat dissipation of the cutter head is facilitated to be realized through the telescopic movement of the cutter head, the long-time work of the cutter is facilitated, the service life of the cutter is prolonged, the problems of burrs, cracks and the like of the cutter when drilling are avoided, and the processing flatness of a PCB (printed circuit board) is ensured.
2. According to the utility model, the outer cover plate is fixedly arranged on the outer wall of the cutter head, so that the outer cover plate has a good protection effect on the telescopic spring outside, the interference of scraps of the PCB (printed circuit board) on the telescopic spring is avoided, and under the action of the connecting rod and the outer cover plate, the outer cover plate drives the cutter head to limit and stretch, so that the accuracy of the cutter head in drilling is ensured, the cutter head is prevented from deflecting under the elastic action of the telescopic spring, and the drilling quality of the PCB is improved.
Drawings
Fig. 1 is a schematic perspective view of a drilling tool for a high-temperature-resistant PCB board in the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1 according to the present utility model;
FIG. 3 is a schematic diagram showing a cross-sectional structure of a drilling tool for a PCB with high temperature resistance in the utility model;
fig. 4 is a schematic perspective view of a cutter head according to the present utility model.
Legend description:
1. a knife handle; 2. a cutter head; 3. a telescopic spring; 4. an outer cover plate; 5. a connecting rod; 6. a slide block; 7. a chute; 8. a pin; 9. a chip removal groove; 10. a heat sink.
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.
Referring to fig. 1-4, a high temperature resistant PCB board drilling tool, which comprises a tool handle 1, a tool bit 2 arranged at the bottom of the tool handle 1, a telescopic spring 3, an outer cover plate 4, a connecting rod 5, a sliding block 6, a sliding groove 7, a pin 8, a chip groove 9 and a heat dissipation groove 10, wherein the top of the tool handle 1 is provided with an opening, which is convenient for connection with a drilling device, the tool bit 2 is arranged at the bottom of the tool handle 1, the tool handle 1 and the tool bit 2 are both made of H13 steel, good heat resistance and wear resistance are achieved, the high temperature resistant drilling of the tool on the surface of a PCB board is facilitated, and the tool bit 2 and the tool bit 1 are connected through the telescopic spring 3, meanwhile, a groove capable of accommodating the movement of the telescopic spring 3 is formed above the tool bit 2, and the bottom of the tool handle 1 is correspondingly provided with the groove, the connecting effect of the telescopic spring 3 between the tool handle 1 and the tool bit 2 is ensured, the outer cover plate 4 is in an annular structure, and the outer cover plate 4 is fixedly arranged at the outer wall of the tool bit 2, the tool bit 2 is fixedly mounted on the outer wall of the tool bit 2, the inner side of the tool bit 4 is driven by the inner cover plate 4 and the inner side of the connecting rod 4 is fixedly connected with the inner cover plates 4 of the inner side of the tool handle 4, and the inner cover plate 4 is fixedly and the inner side of the connecting plates 4 is fixedly connected with the inner cover plates 4 of the connecting plates 5 and 5 are fixedly and the inner sides of the connecting plates 4 are fixedly arranged;
considering the connection effect of connecting rod 5, the top of connecting rod 5 is passed through pin 8 and is installed in the bottom of handle of a knife 1, be convenient for outer cover plate 4 is connected through connecting rod 5 and handle of a knife 1, and in order to improve the dismouting flexibility of pin 8, the fluting that can hold pin 8 installation is offered to the week side at handle of a knife 1 in addition, and the multiunit has been offered to the fluting about connecting rod 5 annular equidistance, the user of being convenient for realizes connecting rod 5 quick assembly disassembly through pin 8's dismouting in the outside, be convenient for dismantle tool bit 2 through outer cover plate 4, consider the flexible effect of tool bit 2 in handle of a knife 1 below, bottom fixedly connected with slider 6 at connecting rod 5, and be connected with spout 7 at the outer wall sliding connection of slider 6, and spout 7 is offered at the inner wall of dustcoat board 4, then make dustcoat plate 4 can carry out flexible activity at the outer wall of connecting rod 5, through the fixed connection of outer cover plate 4 and tool bit 2, then make dustcoat plate 4 and tool bit 2 carry out flexible activity in the bottom of handle of a knife 1, the setting up through connecting rod 5, the flexible route of tool bit 2 has been ensured, deflection and skew spring 3 have been avoided, simultaneously, setting up through connecting rod 5, can realize outer cover plate 4 and drive tool bit 2 and have been favorable to 2 in the drilling stability and the tool bit 2 has been guaranteed 2 and the drilling quality of drilling hole has been greatly improved.
Referring to fig. 3-4, the central axis of the tool shank 1 is overlapped with the central axis of the tool bit 2, the working stability and the accuracy of the tool bit 2 at the bottom of the tool shank 1 are ensured, the drilling accuracy of the PCB board is improved, in order to ensure the working quality of the tool bit 2, multiple groups of cutting edges are spirally arranged at the bottom end of the tool bit 2, the tool bit 2 is convenient to drill on the surface of the PCB board, and meanwhile, in order to realize the chip removal and the heat dissipation effect of the tool bit 2, chip removal grooves 9 are arranged above the cutting edges, the outer wall of the tool bit 2 is annularly provided with the chip removal grooves 9, the waste chips of the PCB board in drilling are conveniently discharged through the chip removal grooves 9, the working accuracy of the tool bit 2 is improved, meanwhile, the heat dissipation grooves 10 are vertically arranged in an annular shape on the outer wall of the tool bit 2, the contact area of the surface of the tool bit 2 is increased through the arrangement of the heat dissipation grooves 10, the problem that the tool bit 2 is low in strength and the long-time continuous working effect of the tool bit 2 is avoided, and the service life is short is solved.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.
Claims (6)
1. The utility model provides a high temperature resistant PCB board drilling tool, includes handle of a knife (1) and sets up tool bit (2) in handle of a knife (1) bottom, its characterized in that: the cutter head (2) is connected with the cutter handle (1) through a telescopic spring (3), an outer cover plate (4) is arranged outside the telescopic spring (3), the outer cover plate (4) is fixedly arranged on the outer wall of the cutter head (2), the inner wall of the outer cover plate (4) is connected with the cutter handle (1) through a connecting rod (5), and a plurality of groups of connecting rods (5) are arranged on the inner side of the outer cover plate (4);
the top of connecting rod (5) is installed in the bottom of handle of a knife (1) through pin (8), and the bottom fixedly connected with slider (6) of connecting rod (5), the outer wall sliding connection of slider (6) has spout (7), and spout (7) are offered at the inner wall of dustcoat board (4).
2. The high temperature resistant PCB drilling tool of claim 1, wherein: the bottom spiral of tool bit (2) has seted up multiunit cutting edge, and the top of cutting edge is provided with chip groove (9) to chip groove (9) are seted up in the outer wall annular of tool bit (2).
3. The high temperature resistant PCB drilling tool of claim 2, wherein: a heat dissipation groove (10) is arranged above the chip removal groove (9), and the heat dissipation groove (10) is vertically arranged on the outer wall of the cutter head (2) in an annular shape.
4. A high temperature resistant PCB drilling tool as set forth in claim 3, wherein: the upper part of the cutter head (2) is provided with a movable groove capable of accommodating the telescopic spring (3).
5. The high temperature resistant PCB drilling tool of claim 1, wherein: the central axis of the cutter handle (1) coincides with the central axis of the cutter head (2), and a slot capable of accommodating the installation of the pin (8) is formed in the peripheral side of the cutter handle (1).
6. The high temperature resistant PCB drilling tool of claim 5, wherein: the grooves are formed in a plurality of groups at equal intervals with respect to the annular shape of the connecting rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321361685.3U CN219968233U (en) | 2023-05-31 | 2023-05-31 | High temperature resistant PCB board drilling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321361685.3U CN219968233U (en) | 2023-05-31 | 2023-05-31 | High temperature resistant PCB board drilling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219968233U true CN219968233U (en) | 2023-11-07 |
Family
ID=88583505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321361685.3U Active CN219968233U (en) | 2023-05-31 | 2023-05-31 | High temperature resistant PCB board drilling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219968233U (en) |
-
2023
- 2023-05-31 CN CN202321361685.3U patent/CN219968233U/en active Active
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