CN219786645U - Deep hole drilling machine - Google Patents
Deep hole drilling machine Download PDFInfo
- Publication number
- CN219786645U CN219786645U CN202320673158.XU CN202320673158U CN219786645U CN 219786645 U CN219786645 U CN 219786645U CN 202320673158 U CN202320673158 U CN 202320673158U CN 219786645 U CN219786645 U CN 219786645U
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- China
- Prior art keywords
- power head
- handle
- pull rod
- water
- rotary cylinder
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- 238000005553 drilling Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000004891 communication Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 16
- 229910052742 iron Inorganic materials 0.000 abstract description 8
- 238000003754 machining Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 208000010392 Bone Fractures Diseases 0.000 abstract 1
- 206010017076 Fracture Diseases 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model discloses a deep hole drilling machine, which comprises a mounting frame, a power head arranged on the mounting frame, a motor for driving the power head, a cutter handle arranged at the output end of the power head, a hollow gun drill arranged on the cutter handle, and a water rotary joint arranged at the input end of the power head, wherein the mounting frame is provided with a plurality of grooves; one end of a handle pull rod in the power head is connected with the handle, the other end of the handle pull rod extends out of the tail end of the power head, and a water rotary joint sleeve is arranged on the handle pull rod; the gap between the handle pull rod and the power head is communicated with a water outlet hole of the water rotary joint, one end of the handle pull rod connected with the handle is provided with a water channel, and the water channel is communicated with the gap between the handle pull rod and the power head and the central hole of the handle. The hollow gun drill rotates to drill holes, high-pressure water is sprayed out, and iron scraps generated during drilling are flushed out along the chip grooves by the high-pressure water, so that iron scraps are effectively prevented from being accumulated and blocked in deep holes, the machining precision of the holes is improved, and the deformation and fracture risk of the drill is reduced. Meanwhile, the sprayed water flow also takes away accumulated heat of the drill bit in the deep hole, and the service life of the drill bit is prolonged.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a deep hole drilling device.
Background
The valve core is an important part in an automobile steering gear, and a central hole of the valve core needs to be drilled in the processing of the valve core. The central hole of the valve core is a slender deep hole, the processing difficulty is high, and a slender drill bit with the size equivalent to that of the central hole of the valve core is required to be used for drilling. In the process, the drill bit is easy to remove chips due to the large drilling depth. The first iron filings which are blocked affect the processing precision of the drilled holes; and secondly, the drilling tool is blocked, so that the drilling tool is bent, deformed and even broken. In addition, as the depth of the drilled hole increases, accumulated heat of the drill bit cannot be discharged in time, and the problem is further aggravated.
Disclosure of Invention
The utility model aims to provide a deep hole drilling machine, which uses a hollow drill bit and sprays high-pressure water from the hollow drill bit so as to rapidly discharge scrap iron from a chip groove, and meanwhile, take away accumulated heat of the drill bit, so that the drilling machining precision can be improved, the service life of a drill bit can be prolonged, and the maintenance time can be shortened.
The utility model is realized by the following technical scheme:
a deep hole drilling machine comprises a mounting frame, a power head arranged on the mounting frame, a motor for driving the power head, a cutter handle arranged at the output end of the power head, a hollow gun drill arranged on the cutter handle, and a water rotary joint arranged at the input end of the power head; one end of a handle pull rod in the power head is connected with the handle, the other end of the handle pull rod extends out of the tail end of the power head, and a water rotary joint sleeve is arranged on the handle pull rod; the gap between the handle pull rod and the power head is communicated with a water outlet hole of the water rotary joint, one end of the handle pull rod connected with the handle is provided with a water channel, and the water channel is communicated with the gap between the handle pull rod and the power head and the central hole of the handle.
Further: the water rotary joint comprises a rotary cylinder inner sleeve wrapping the handle pull rod, a rotary cylinder outer sleeve sleeved outside the rotary cylinder inner sleeve and a pipe joint communicated with the rotary cylinder outer sleeve, a radial through hole is formed in the rotary cylinder inner sleeve, and the radial through hole is communicated with a gap between the rotary cylinder inner sleeve and the handle pull rod and a gap between the rotary cylinder outer sleeve and the rotary cylinder inner sleeve.
Further: the gap between the inner sleeve of the rotary cylinder and the handle pull rod and the gap between the outer sleeve of the rotary cylinder and the inner sleeve of the rotary cylinder are sealed by the rotary rubber ring.
Further: the cutter bar of the hollow gun drill is crescent-shaped in cross section, and the crescent-shaped notch is a chip removal groove.
Further: the notch angle of the crescent notch is 80-90 degrees.
Further: the central through hole of the hollow gun drill is an arc-shaped hole.
Further: a water blocking plug is arranged at the communication part of the central through hole of the hollow gun drill and the central hole of the cutter handle.
Further: the motor and the power head are driven by a belt.
Compared with the prior art, the utility model has the following advantages:
the hollow gun drill of the device rotates to drill holes and sprays high-pressure water at the same time, and the high-pressure water punches iron scraps generated during drilling along the chip grooves, so that the iron scraps are effectively prevented from being accumulated and blocked in deep holes, the machining precision of the holes is improved, the risks of deformation and fracture of the drill are reduced, the use and maintenance cost is reduced, and the downtime is reduced;
the sprayed water flow also takes away accumulated heat of the drill bit in the deep hole, and the service life of the drill bit is prolonged.
Drawings
FIG. 1 is a schematic view of the present utility model;
FIG. 2 is a schematic front view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the region A of FIG. 2;
FIG. 4 is a schematic cross-sectional view of region B of FIG. 2;
FIG. 5 is a schematic cross-sectional view of a gun drill;
in the figure:
a mounting frame; 2. a motor; 3. a power head; 4. a knife handle; 4.1, a center hole of the cutter handle; 5. a hollow gun drill; 5.1, chip removal grooves; 5.2, a central through hole; 6. a water swivel; 6.1, a rotary cylinder inner sleeve; 6.11, radial through holes; 6.2, a rotary cylinder jacket; 6.3, pipe joint; 6.4, rotating the rubber ring; 7. a knife handle pull rod; 7.1, a water channel; 8. and (5) sealing the water plug.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The utility model is realized by the following technical scheme:
a deep hole drilling machine comprises a mounting frame 1, a power head 3 arranged on the mounting frame 1, a motor 2 for driving the power head 3, a cutter handle 4 arranged at the output end of the power head 3, a hollow gun drill 5 arranged on the cutter handle 4, and a water rotary joint 6 arranged at the input end of the power head 3; one end of a handle pull rod 7 in the power head 3 is connected with the handle 4, the other end extends out of the tail end of the power head 3, and a water rotary joint 6 is sleeved on the handle pull rod 7; the gap between the knife handle pull rod 7 and the power head 3 is communicated with a water outlet hole of the water rotary joint 6, one end, connected with the knife handle 4, of the knife handle pull rod 7 is provided with a water channel 7.1, and the water channel 7.1 is communicated with the gap between the knife handle pull rod 7 and the power head 3 and the knife handle center hole 4.1. The water rotary joint 6 comprises a rotary cylinder inner sleeve 6.1 wrapping a handle pull rod 7, a rotary cylinder outer sleeve 6.2 sleeved outside the rotary cylinder inner sleeve 6.1 and a pipe joint 6.3 communicated with the rotary cylinder outer sleeve 6.2, a radial through hole 6.11 is formed in the rotary cylinder inner sleeve 6.1, and the radial through hole 6.11 is communicated with a gap between the rotary cylinder inner sleeve 6.1 and the handle pull rod 7 and a gap between the rotary cylinder outer sleeve 6.2 and the rotary cylinder inner sleeve 6.1. The gap between the rotary cylinder inner sleeve 6.1 and the knife handle pull rod 7 and the gap between the rotary cylinder outer sleeve 6.2 and the rotary cylinder inner sleeve 6.1 are sealed by the rotary rubber ring 6.4. The cutter bar cross section of the hollow gun drill 5 is crescent, the crescent notch is a chip removal groove 5.1, and the notch angle of the crescent notch is 90 degrees. The central through hole 5.2 of the hollow gun drill 5 is an arc-shaped hole. The water-sealing plug 8 is arranged at the communication part of the central through hole 5.2 of the hollow gun drill and the central hole 4.1 of the cutter handle. The motor 2 and the power head 3 are driven by a belt.
The working principle of the utility model is as follows:
firstly, the device is arranged on a feeding platform of a machine tool, and a high-pressure water pipe is communicated with a pipe joint 6.3 of a water rotary joint 6. When a deep hole of a workpiece is drilled, the motor 2 is started, and the motor 2 drives the power head 3 to work, so that the hollow gun drill 5 is driven to rotate through the tool handle 4. Meanwhile, the high-pressure water pipe supplies water to the water rotary joint 6, the water flows into a gap between the rotary cylinder inner sleeve 6.1 and the cutter handle pull rod 7 from the radial through hole on the rotary cylinder inner sleeve 6.1, passes through a gap between the cutter handle pull rod 7 and the power head 3, flows to the central through hole 5.2 of the hollow gun drill 5 through the cutter handle central hole 4.1, and finally the high-pressure water is sprayed out from the drill bit of the hollow gun drill 5.
The hollow gun drill 5 rotates to drill holes, and sprays high-pressure water at the same time, and the iron scraps generated during drilling are flushed out along the chip grooves 5.1 by the high-pressure water, so that the iron scraps are effectively prevented from being accumulated and blocked in deep holes, the machining precision of the holes is improved, and the deformation and fracture risks of a drilling tool are reduced. Meanwhile, the sprayed water flow also takes away accumulated heat of the drill bit in the deep hole, and the service life of the drill bit is prolonged.
The foregoing embodiments are merely illustrative of the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, not to limit the scope of the present utility model. All equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (8)
1. A deep hole drilling machine, characterized in that: the device comprises a mounting frame (1), a power head (3) arranged on the mounting frame (1), a motor (2) for driving the power head (3), a knife handle (4) arranged at the output end of the power head (3), a hollow gun drill (5) arranged on the knife handle (4) and a water rotary joint (6) arranged at the input end of the power head (3); one end of a handle pull rod (7) in the power head (3) is connected with the handle (4), the other end extends out of the tail end of the power head (3), and a water rotary joint (6) is sleeved on the handle pull rod (7); the water outlet of the water rotary joint (6) is communicated with the gap between the cutter handle pull rod (7) and the power head (3), a water channel (7.1) is arranged at one end of the cutter handle pull rod (7) connected with the cutter handle (4), and the water channel (7.1) is communicated with the gap between the cutter handle pull rod (7) and the power head (3) and the cutter handle center hole (4.1).
2. The deep hole drilling machine of claim 1, wherein: the water rotary joint (6) comprises a rotary cylinder inner sleeve (6.1) wrapping a handle pull rod (7), a rotary cylinder outer sleeve (6.2) sleeved outside the rotary cylinder inner sleeve (6.1) and a pipe joint (6.3) communicated with the rotary cylinder outer sleeve (6.2), a radial through hole (6.11) is formed in the rotary cylinder inner sleeve (6.1), and the radial through hole (6.11) is communicated with a gap between the rotary cylinder inner sleeve (6.1) and the handle pull rod (7) and a gap between the rotary cylinder outer sleeve (6.2) and the rotary cylinder inner sleeve (6.1).
3. The deep hole drilling machine of claim 2, wherein: the gap between the rotary cylinder inner sleeve (6.1) and the handle pull rod (7) and the gap between the rotary cylinder outer sleeve (6.2) and the rotary cylinder inner sleeve (6.1) are sealed by the rotary rubber ring (6.4).
4. The deep hole drilling machine of claim 1, wherein: the cutter bar cross section of the hollow gun drill (5) is crescent, and a crescent notch is a chip removal groove (5.1).
5. The deep hole drilling machine of claim 4, wherein: the notch angle of the crescent notch is 80-90 degrees.
6. The deep hole drilling machine of claim 1, wherein: the central through hole (5.2) of the hollow gun drill (5) is an arc-shaped hole.
7. The deep hole drilling machine of claim 1, wherein: a water blocking plug (8) is arranged at the communication part of the central through hole (5.2) of the hollow gun drill (5) and the central hole (4.1) of the cutter handle.
8. The deep hole drilling machine of claim 1, wherein: the motor (2) and the power head (3) are driven by a belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320673158.XU CN219786645U (en) | 2023-03-30 | 2023-03-30 | Deep hole drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320673158.XU CN219786645U (en) | 2023-03-30 | 2023-03-30 | Deep hole drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219786645U true CN219786645U (en) | 2023-10-03 |
Family
ID=88177587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320673158.XU Active CN219786645U (en) | 2023-03-30 | 2023-03-30 | Deep hole drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219786645U (en) |
-
2023
- 2023-03-30 CN CN202320673158.XU patent/CN219786645U/en active Active
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| GR01 | Patent grant |