CN219852204U - Bench drill based on converter control - Google Patents
Bench drill based on converter control Download PDFInfo
- Publication number
- CN219852204U CN219852204U CN202321367948.1U CN202321367948U CN219852204U CN 219852204 U CN219852204 U CN 219852204U CN 202321367948 U CN202321367948 U CN 202321367948U CN 219852204 U CN219852204 U CN 219852204U
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- CN
- China
- Prior art keywords
- plate
- frequency converter
- support
- bench drill
- mounting plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Drilling And Boring (AREA)
Abstract
The utility model relates to a bench drill based on frequency converter control, which comprises a motor, a rotating shaft, a support, a connecting plate, a mounting plate and a frequency converter, wherein a shell of the motor is connected to the support, the rotating shaft is rotationally connected to the support, the motor is used for driving the rotating shaft to rotate, the rotating shaft is used for connecting a drill bit, the connecting plate is connected to the surface of the support, the mounting plate is connected to the connecting plate, the frequency converter is connected to the mounting plate, and the frequency converter is used for controlling the rotating speed of the motor. Air can circulate around the frequency converter, so that heat dissipation of the frequency converter is facilitated, working stability of the frequency converter is guaranteed, rotating speed of the motor is adjusted through the frequency converter, and rotating speed of the rotating shaft (and a drill bit connected to the rotating shaft) can be adjusted conveniently and rapidly.
Description
Technical Field
The utility model relates to the field of bench drills, in particular to a bench drill based on frequency converter control.
Background
Bench drills are a tool for drilling holes.
The prior CN204545486U discloses a single-phase vertical variable-frequency speed regulation bench drill, which comprises a motor and a frequency converter. The motor is a single-phase motor, the signal output end of the frequency converter is connected with the control signal input end of the single-phase motor, the output shaft of the single-phase motor is used for driving the chuck to rotate, and the chuck is connected with the drill bit.
The above-mentioned document also discloses that the converter is located in the box, and the box has influenced the heat dissipation of converter, and then influences the job stabilization nature of converter.
Disclosure of Invention
In order to facilitate heat dissipation of a frequency converter and ensure working stability of the frequency converter, the utility model provides a bench drill based on frequency converter control.
The utility model provides a bench drill based on frequency converter control, which adopts the following technical scheme:
the utility model provides a bench drill based on converter control, includes motor, pivot, support, connecting plate, mounting panel and converter, and the casing of motor is connected in the support, and the pivot rotates to be connected in the support, and the motor is used for driving the pivot and rotates, and the pivot is used for supplying the drill bit to connect, the connecting plate is connected in the surface department of support, the mounting panel is connected in the connecting plate, the converter is connected in the mounting panel, the converter is used for controlling the rotational speed of motor.
Through adopting above-mentioned technical scheme, the air can circulate in the converter week side, does benefit to the heat dissipation of converter to guarantee the job stabilization nature of converter, realize through the rotational speed of converter regulating motor, can realize convenient, swift regulation pivot (and connect in the epaxial drill bit of pivot) rotational speed.
Preferably, the utility model also comprises a protection plate,
the connecting plates and the protection plates are respectively positioned at two sides of the mounting plate along the thickness direction of the mounting plate,
the frequency converter is connected to one side of the mounting plate, which faces the protection plate, and the frequency converter is located on one side of the protection plate, which faces the support.
Through adopting above-mentioned technical scheme, the connecting plate is connected in the support, and connecting plate, converter are located the both sides of mounting panel respectively to the dismouting of connecting plate and support is convenient, the convenience is to the maintenance of converter. The protection plate is utilized to provide a protection function for the frequency converter, so that the probability that foreign objects directly touch the frequency converter is reduced.
Preferably, the mounting plate and/or the protection plate are/is provided with a heat dissipation groove.
Through adopting above-mentioned technical scheme, air accessible heat dissipation groove circulation does benefit to the heat dissipation of converter.
Preferably, a gap exists between the frequency converter and the protection plate.
By adopting the technical scheme, air can circulate in the gap, thereby being beneficial to heat dissipation of the frequency converter.
Preferably, the mounting plate is provided with two mounting holes, and the two mounting holes are distributed along the diagonal line of the mounting plate.
By adopting the technical scheme, the number of the mounting holes is reduced, and the mounting plate and the frequency converter can be quickly assembled and disassembled; meanwhile, the diagonal lines are distributed, so that the distance between the two mounting holes can be increased, and the mounting plate and the frequency converter can be connected stably.
Preferably, the connecting plate is provided with an avoidance notch, and the avoidance notch corresponds to the mounting hole close to the connecting plate.
Through adopting above-mentioned technical scheme, the in-process that the converter is connected to the mounting panel dodges the breach and is used for providing operating space for the instrument to easy to assemble, dismantlement.
Preferably, the device further comprises a protective piece, wherein the protective piece is connected to the bracket, the protective piece is provided with a joint surface for touching the surface of the frequency converter, a wire groove is arranged at the joint surface, a wire hole is arranged at the surface of the protective piece, facing the bracket, and the wire hole is communicated with the wire groove;
the wire chase is used for accommodating an input/output wire harness of the frequency converter.
Through adopting above-mentioned technical scheme, utilize the guard piece to accomodate the input/output pencil of converter, reduce the impaired probability of pencil.
Preferably, the protection piece comprises a bottom plate and a side plate, the side plate is connected to the support, the bottom plate is connected to the lower end of the side plate, the bottom plate is lower than the support, and the attaching surface comprises the upper surface of the bottom plate and the surface of the side plate, which is away from the support.
Through adopting above-mentioned technical scheme, the lower surface laminating of converter is in the upper surface of bottom plate, and the lower extreme of the converter that is less than the lower extreme of support, then does benefit to the circulation of air at the converter lower extreme week side, does benefit to the heat dissipation of converter.
Preferably, the line holes are positioned in the area where the side plates are attached to the bracket.
Through adopting above-mentioned technical scheme, reduce the naked probability of pencil to reduce the impaired probability of pencil.
Preferably, the device further comprises a lifting handle, wherein the frequency converter and the lifting handle are both connected to the support, and the frequency converter and the lifting handle are respectively located at two sides of the support.
By adopting the technical scheme, the convenient operation bench drill is facilitated.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the frequency converter is positioned outside the bracket, air can circulate at the periphery of the frequency converter, so that the heat dissipation of the frequency converter is facilitated, the working stability of the frequency converter is ensured, the rotating speed of the motor is regulated through the frequency converter, and the rotating speed of the rotating shaft (and a drill bit connected to the rotating shaft) can be regulated conveniently and rapidly;
2. the connecting plate is connected in the support, and connecting plate, converter are located the both sides of mounting panel respectively to the dismouting of connecting plate and support is convenient for the maintenance to the converter. The protection plate is utilized to provide a protection function for the frequency converter, so that the probability that foreign objects directly touch the frequency converter is reduced;
3. the input/output wire harness of the frequency converter is stored by the protection piece, so that the damage probability of the wire harness is reduced.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a bench drill based on a frequency converter control.
Fig. 2 is a schematic structural view of the mounting frame and the frequency converter.
Fig. 3 is a schematic structural view of the guard.
Fig. 4 is a schematic view of a bracket and guard.
Reference numerals illustrate: 11. a base; 12. a column; 13. a bracket; 131. a through hole; 14. a motor; 15. a rotating shaft; 16. a work table; 17. a lifting handle; 18. a frequency converter; 2. a mounting frame; 21. a connecting plate; 211. avoiding the notch; 22. a mounting plate; 221. a mounting hole; 23. a protection plate; 24. a heat sink; 3. a guard; 31. a bonding surface; 32. a wire slot; 33. a bottom plate; 34. a side plate; 35. and (5) a wire hole.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
Referring to fig. 1, an embodiment of the utility model discloses a bench drill based on frequency converter control, which comprises a base 11, an upright post 12, a bracket 13, a motor 14 and a rotating shaft 15.
The base 11 is intended to rest on the ground. The upright post 12 is vertical, and the lower end of the upright post 12 is fixedly connected with the base 11. The bracket 13 is fixedly connected to the upper end of the upright 12. The housing of the motor 14 is fixedly connected to the bracket 13 and makes the output shaft of the motor 14 vertical. The rotating shaft 15 is vertically arranged, and the rotating shaft 15 is rotatably connected to the bracket 13 around the axis of the rotating shaft 15. The motor 14 is used for driving the rotating shaft 15 to rotate, and the rotating shaft 15 is used for connecting a drill bit.
In this embodiment, the bracket 13 has a box-type structure, i.e., the bracket 13 is hollow; the shell of the motor 14 is fixedly connected to the outer surface of the bracket 13, and the output shaft of the motor 14 extends upwards into the bracket 13; the upper end of the rotating shaft 15 extends into the bracket 13; a belt transmission mechanism is arranged inside the bracket 13 and between the output shaft of the motor 14 and the upper end of the rotating shaft 15 so as to realize that the motor 14 drives the rotating shaft 15 to rotate; the lower end of the rotating shaft 15 extends out of the bracket 13, and the lower end of the rotating shaft 15 is used for connecting a drill bit.
The bench drill further comprises a table 16 and a lifting handle 17. The workbench 16 is located right below the rotating shaft 15, and the upper surface of the workbench 16 is used for placing a workpiece. A lifting handle 17 is connected to one side of the bracket 13, and the lifting handle 17 is used to control lifting of the drill bit.
Referring to fig. 1 and 2, the bench drill further comprises a frequency converter 18 and a mounting frame 2.
The mounting frame 2 comprises a connecting plate 21, a mounting plate 22 and a protection plate 23 which are sequentially connected. The connection plate 21, the mounting plate 22 and the shielding plate 23 are all vertical. The mounting plate 22 is perpendicular to the connection plate 21 and the shielding plate 23 is parallel to the connection plate 21. Meanwhile, the connection plate 21 and the shielding plate 23 are located at both sides of the mounting plate 22, respectively, in the thickness direction of the mounting plate 22.
The connection plate 21 is adapted to be fixedly connected to the support 13 at a surface facing away from the lifting handle 17, and to form a space for mounting the frequency converter 18 between the protection plate 23 and the surface of the support 13 facing away from the lifting handle 17. I.e. the frequency converter 18 and the lifting handle 17 are located on both sides of the support 13, respectively.
Specifically, a bolt may be threaded through the connection plate 21 and then connected to the bracket 13, so as to achieve the fixed connection of the connection plate 21 to the surface of the bracket 13.
The mounting plate 22 is provided with two mounting holes 221, and the two mounting holes 221 are distributed along the diagonal of the mounting plate 22. In the present embodiment, the mounting hole 221 adjacent to the connection plate 21 is located above.
The frequency converter 18 is connected to the side of the mounting plate 22 facing the shielding plate 23, and the frequency converter 18 is located on the side of the shielding plate 23 facing the support 13. Meanwhile, gaps exist between the frequency converter 18 and the protection plate 23 and between the frequency converter 18 and the support 13.
The mounting plate 22 and/or the shielding plate 23 are provided with heat dissipation grooves 24. In this embodiment, the mounting plate 22 and the shielding plate 23 are each provided with a heat dissipation groove 24.
Specifically, the bolts sequentially penetrate through the housing of the frequency converter 18 and the mounting holes 221 and then cooperate with nuts to fix the frequency converter 18 and the mounting plate 22. To facilitate the tightening of the nut, the connection plate 21 is provided with a relief notch 211, the relief notch 211 corresponding to the mounting hole 221 adjacent to the connection plate 21. The relief notch 211 is used for handling tools such as wrenches.
In this embodiment, the avoidance notch 211 penetrates the connection plate 21 upward.
Referring to fig. 3 and 4, the bench drill further comprises a guard 3, the guard 3 being adapted to provide protection for the input/output harness of the frequency converter 18.
The guard 3 is connected to the bracket 13, and the guard 3 is provided with an abutting surface 31 for touching the surface of the inverter 18, and a wire groove 32 is provided at the abutting surface 31, and the wire groove 32 is used for accommodating an input/output wire harness of the inverter 18.
The guard 3 includes an integrally formed bottom plate 33 and side plates 34. The side plate 34 is vertically arranged, the side plate 34 is fixedly connected to the bracket 13, and the lower end of the side plate 34 is lower than the lower end of the bracket 13. The bottom plate 33 is connected to the lower ends of the side plates 34 such that the bottom plate 33 is lower than the brackets 13. The above-mentioned abutment surface 31 comprises an upper surface of the bottom plate 33 and a surface of the side plate 34 facing away from the bracket 13.
The bracket 13 is also provided with a through hole 131, a wire hole 35 is arranged at the position where the side plate 34 is attached to the bracket 13, and the wire hole 35 is communicated with the through hole 131 so as to enable the input/output wire harness of the frequency converter 18 to extend into the bracket 13.
The implementation principle of the bench drill based on the frequency converter control provided by the embodiment of the utility model is as follows: the frequency converter is positioned outside the bracket 13, air can circulate at the periphery of the frequency converter 18, so that the heat dissipation of the frequency converter 18 is facilitated, the working stability of the frequency converter 18 is ensured, the rotation speed of the motor 14 is regulated through the frequency converter 18, and the rotation speed of the rotating shaft 15 (and a drill bit connected to the rotating shaft 15) can be regulated conveniently and rapidly; the connecting plate 21 is connected to the bracket 13, and the connecting plate 21 and the frequency converter 18 are respectively positioned on two sides of the mounting plate 22, so that the connecting plate 21 and the bracket 13 are convenient to assemble and disassemble, and the frequency converter 18 is convenient to maintain. The protection plate 23 is utilized to provide a protection function for the frequency converter 18, so that the probability that foreign objects directly touch the frequency converter 18 is reduced.
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 (9)
1. Bench drill based on converter control, its characterized in that: the rotary drill bit comprises a motor (14), a rotary shaft (15), a support (13), a connecting plate (21), a mounting plate (22) and a frequency converter (18), wherein a shell of the motor (14) is connected to the support (13), the rotary shaft (15) is rotationally connected to the support (13), the motor (14) is used for driving the rotary shaft (15) to rotate, the rotary shaft (15) is used for connecting a drill bit, the connecting plate (21) is connected to the surface of the support (13), the mounting plate (22) is connected to the connecting plate (21), the frequency converter (18) is connected to the mounting plate (22), and the frequency converter (18) is used for controlling the rotating speed of the motor (14);
also comprises a protection plate (23),
along the thickness direction of the mounting plate (22), the connecting plate (21) and the protection plate (23) are respectively positioned at two sides of the mounting plate (22),
the frequency converter (18) is connected to one side of the mounting plate (22) facing the protection plate (23), and the frequency converter (18) is located on one side of the protection plate (23) facing the support (13).
2. The inverter control-based bench drill of claim 1 wherein: the mounting plate (22) and/or the protection plate (23) are/is provided with a heat dissipation groove (24).
3. The inverter control-based bench drill of claim 1 wherein: a gap exists between the frequency converter (18) and the protection plate (23).
4. The inverter control-based bench drill of claim 1 wherein: the mounting plate (22) is provided with two mounting holes (221), and the two mounting holes (221) are distributed along the diagonal line of the mounting plate (22).
5. The inverter control based bench drill of claim 4 wherein: the connecting plate (21) is provided with an avoidance notch (211), and the avoidance notch (211) corresponds to the mounting hole (221) close to the connecting plate (21).
6. The inverter control-based bench drill of claim 1 wherein: the device is characterized by further comprising a protective piece (3), wherein the protective piece (3) is connected to the bracket (13), the protective piece (3) is provided with a joint surface (31) for touching the surface of the frequency converter (18), a wire groove (32) is arranged at the joint surface (31), a wire hole (35) is arranged at the surface of the protective piece (3) facing the bracket (13), and the wire hole (35) is communicated with the wire groove (32);
the wire chase (32) is configured to receive an input/output wire harness of the frequency converter (18).
7. The inverter control based bench drill of claim 6 wherein: the protection piece (3) comprises a bottom plate (33) and side plates (34), the side plates (34) are connected to the support (13), the bottom plate (33) is connected to the lower end of the side plates (34), the bottom plate (33) is lower than the support (13), and the bonding surface (31) comprises the upper surface of the bottom plate (33) and the surface of the side plates (34) deviating from the support (13).
8. The inverter control based bench drill of claim 7 wherein: the wire holes (35) are positioned in the area where the side plates (34) are attached to the bracket (13).
9. The inverter control-based bench drill of claim 1 wherein: still include lift handle (17), converter (18) and lift handle (17) all are connected in support (13), converter (18) and lift handle (17) are located the both sides of support (13) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321367948.1U CN219852204U (en) | 2023-05-31 | 2023-05-31 | Bench drill based on converter control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321367948.1U CN219852204U (en) | 2023-05-31 | 2023-05-31 | Bench drill based on converter control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219852204U true CN219852204U (en) | 2023-10-20 |
Family
ID=88345790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321367948.1U Active CN219852204U (en) | 2023-05-31 | 2023-05-31 | Bench drill based on converter control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219852204U (en) |
-
2023
- 2023-05-31 CN CN202321367948.1U patent/CN219852204U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Zhimin Inventor after: Miao Jiyun Inventor after: Miao Shuaitao Inventor before: Miao Shuaitao Inventor before: Miao Jiyun Inventor before: Li Zhimin |
|
| CB03 | Change of inventor or designer information |