CN111014780B - Drill bit chip removing device for CNC (computer numerical control) drilling machine - Google Patents
Drill bit chip removing device for CNC (computer numerical control) drilling machine Download PDFInfo
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- CN111014780B CN111014780B CN201911160301.XA CN201911160301A CN111014780B CN 111014780 B CN111014780 B CN 111014780B CN 201911160301 A CN201911160301 A CN 201911160301A CN 111014780 B CN111014780 B CN 111014780B
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- chip removing
- drill bit
- cap body
- outer cap
- wall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
Abstract
The invention belongs to the technical field of machining, and particularly relates to a drill bit chip removing device for a CNC (computer numerical control) drilling machine, which comprises a moving platform and a drilling assembly, wherein one side of the moving platform is detachably connected with a chip removing cap, the chip removing cap comprises two outer cap bodies and two inner cap bodies, the two inner cap bodies are fixed in the two outer cap bodies, the upper part of the inner cap body is provided with a bearing mounting part, and a bearing is mounted in the bearing mounting part; the chip removing cap is arranged on the moving platform, the chip removing cutter attached to the chip removing groove of the drill bit is arranged in the chip removing cap, the chip removing cutter is connected with the bearing, the drill bit is inserted into the chip removing cap in an inoperative state after being machined, the chip removing cutter slides and rotates along with the chip removing groove of the drill bit in the descending process of the drill bit, the residual chips in the chip removing groove are removed by the chip removing cutter and are discharged through the chip removing inlet, the chip removing channel and the chip removing outlet, and the chips are directly discharged in the descending and ascending processes of the drill bit, so that the chip removing device is simple and convenient.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a drill bit chip removing device for a CNC (computer numerical control) drilling machine.
Background
The drilling machine is a machine tool which mainly uses a drill to machine a hole on a workpiece. Usually, the drill bit rotates to main motion, and drill bit axial displacement is feed motion, and drilling machine simple structure, the machining precision is relatively lower, can bore through-hole, blind hole, changes special cutter, can expand, counter bore, ream or carry out processing such as tapping. In the machining process, the workpiece is fixed, the cutter moves, the center of the cutter is aligned with the center of the hole, and the cutter rotates. The drilling machine is characterized in that a workpiece is fixed, a cutter rotates and feeds along the direction of a main shaft, and the operation can be manual or motor-driven.
During the drilling process of the drill, a large amount of drill cuttings are generated and continuously discharged, some of the drill cuttings flow out along the spiral groove of the drill and are discharged by self-lifting the drill, but some drill cuttings are easy to wind around the drill or accumulate in the groove of the drill, and if the drill cuttings accumulating in the groove are not removed in time, the cutting fluid is prevented from flowing and injecting into the cutting edge of the drill, so that the cooling and lubricating effects at the cutting edge of the drill are reduced, and the cutting edge of the drill is always in a high-temperature state and generates large friction action, so that the service life of the drill is shortened.
Disclosure of Invention
The invention provides a drill bit chip removing device for a CNC (computer numerical control) drilling machine, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a drill bit chip removing device for a CNC drilling machine comprises a moving platform and a drilling assembly, wherein one side of the moving platform is detachably connected with a chip removing cap, the chip removing cap comprises two outer cap bodies and two inner cap bodies, the two inner cap bodies are fixed inside the two outer cap bodies, and the upper part of the inner cap body is provided with a bearing mounting part in which a bearing is mounted, a chip removing cutter attached to a chip removing groove of the drill bit is fixed on the inner wall of the bearing, a drill bit inlet matched with the drill bit is formed in the middle position above the outer cap body, a drill bit channel is arranged below the drill bit inlet, the chip removing cutter is positioned in the drill bit channel, the lateral wall of the inner cap body and form the chip removal passageway between the inside wall of the outer cap body, the top of chip removal passageway be equipped with the chip removal entry of drill bit passageway intercommunication, the below of chip removal passageway be equipped with the chip removal export of drill bit passageway intercommunication.
Preferably, the inboard of the outer cap body is close to the drill bit entrance is equipped with the protruding portion of downwardly extending, the below of protruding portion with form between the top of bearing installation department the chip removal entry.
Preferably, the bearing mounting portion includes a top wall, a side wall and a bottom wall, and a cavity for accommodating the bearing is formed inside the top wall, the side wall and the bottom wall.
Preferably, an inclined plane is arranged at the upper end of the chip removing knife, and the lower edge of the inclined plane is located above the top wall.
Preferably, at least two fixing rods are fixed on the outer wall of the inner cap body, the fixing rods are attached to the inner wall of the outer cap body, a screw is mounted on the outer cap body, and the screw penetrates through the outer cap body and is in threaded connection with the fixing rods.
Preferably, the outer wall of the inner cap body is fixed with three fixing rods, the fixing rods are attached to the inner wall of the outer cap body, screws are mounted on the outer cap body, the screws penetrate through the outer cap body and are in threaded connection with the fixing rods, and the three fixing rods are distributed in a shape like a Chinese character 'pin'.
Preferably, the lower terminal surface of the outer cap body is provided with a nut, and the inside of the nut is provided with a cavity communicated with the drill bit channel and the chip removal outlet.
Preferably, the outer wall of nut is equipped with screw thread portion, the nut pass through screw thread portion with moving platform can dismantle the connection.
Preferably, the number of the outer cap bodies is two, the two outer cap bodies are spliced to form a complete cylinder, and one inner cap body positioned on the inner side of the outer cap body is fixedly connected with the two outer cap bodies.
Preferably, the chip removing knife is welded and fixed on the inner wall of the bearing through a connecting part.
Compared with the prior art, the invention has the beneficial effects that:
the chip removing cap is arranged on the moving platform, the chip removing cutter attached to the chip removing groove of the drill bit is arranged in the chip removing cap, the chip removing cutter is connected with the bearing, the drill bit is inserted into the chip removing cap in an inoperative state after being machined, the chip removing cutter slides and rotates along with the chip removing groove of the drill bit in the descending process of the drill bit, the residual chips in the chip removing groove are removed by the chip removing cutter and are discharged through the chip removing inlet, the chip removing channel and the chip removing outlet, and the chips are directly discharged in the descending and ascending processes of the drill bit, so that the chip removing device is simple and convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a chip-removing cap according to the present invention;
FIG. 3 is a schematic structural view of the inner cap body of the present invention;
fig. 4 is a schematic structural diagram of the chip removing knife and the bearing in the invention.
In the figure: 1. a mobile platform; 2. a drilling assembly; 3. a dandruff removing cap; 301. a drill bit inlet; 302. a drill bit channel; 31. an outer cap body; 311. a protrusion; 312. a chip removal inlet; 313. a chip removal channel; 314. a chip removal outlet; 32. an inner cap body; 321. fixing the rod; 322. a bearing mounting portion; 33. a nut; 331. a threaded portion; 34. a screw; 4. a chip removing knife; 41. a connecting portion; 5. a bearing; 7. a top wall; 8. a side wall; 9. a bottom wall.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: a drill bit chip removing device for a CNC drilling machine comprises a moving platform 1 and a drilling assembly 2, wherein one side of the moving platform 1 is detachably connected with a chip removing cap 3, the chip removing cap 3 comprises two outer cap bodies 31 and two inner cap bodies 32, the two inner cap bodies 32 are fixed inside the two outer cap bodies 31, and the upper part of the inner cap body 32 is provided with a bearing mounting part 322, a bearing 5 is mounted in the bearing mounting part 322, the inner wall of the bearing 5 is fixed with a chip removing cutter 4 attached with a bit chip removing groove, the middle position above the outer cap body 31 is provided with a bit inlet 301 matched with a bit, a bit channel 302 is arranged below the bit inlet 301, the chip removing cutter 4 is positioned in the bit channel 302, a chip removal channel 313 is formed between the outer side wall of the inner cap body 32 and the inner side wall of the outer cap body 31, a chip removal inlet 312 communicated with the drill bit channel 302 is arranged above the chip removal channel 313, and a chip removal outlet 314 communicated with the drill bit channel 302 is arranged below the chip removal channel 313.
In this embodiment, the bearing mounting portions 322 of the two inner cap bodies 32 are combined to form a containing portion for placing the bearing 5, the chip removing cutter 4 is fixed on the inner wall of the inner ring of the bearing 5, so that when the chip removing cutter 4 is subjected to an axial force, the chip removing cutter can rotate and has small resistance, and therefore, in the process that the drill bit slides up and down, the chip removing cutter 4 slides along the chip removing groove of the drill bit adaptively, scraps remained in the chip removing groove are shoveled and fall in the chip removing inlet 312 and fall in the chip removing channel 313, and then are removed through the chip removing outlet 314, and in the process that the drill bit moves up, the bearing 5 rotates reversely.
Specifically, the inner side of the outer cap body 31 is provided with a protrusion 311 extending downwards near the drill inlet 301, a chip removal inlet 312 is formed between the lower part of the protrusion 311 and the top of the bearing mounting part 322, the height of the protrusion 311 is 10mm, a good guiding effect can be achieved on the drill through a long wall surface, and chips flying into the inner side of the chip removal inlet 312 are prevented from being ejected again.
Specifically, the bearing mounting portion 322 includes a top wall 7, a side wall 8 and a bottom wall 9, the inner sides of the top wall 7, the side wall 8 and the bottom wall 9 form a cavity for accommodating the bearing 5, and the thicknesses of the side wall 8 and the bottom wall 9 are greater than that of the top wall 7, so that the bearing 5 is well supported.
Specifically, the upper end of the chip removing knife 4 is provided with an inclined plane, the lower edge of the inclined plane is positioned above the top wall 7, the chips shoveled from the chip removing knife 4 slide down from the inclined plane of the chip removing knife 4, then slide down to the upper side of the top wall 7 and slide into the chip removal inlet 312.
Specifically, the number of the outer cap bodies 31 is two, two outer cap bodies 31 form a complete cylinder shape after being spliced, an inner cap body 32 and two outer cap bodies 31 are fixedly connected to the inner side of each outer cap body 31, at least two fixing rods 321 are fixed to the outer wall of each inner cap body 32, the fixing rods 321 are attached to the inner wall of each outer cap body 31, screws 34 are mounted on the outer cap bodies 31, the screws 34 penetrate through the outer cap bodies 31 and are in threaded connection with the fixing rods 321, in order to facilitate assembly, when the outer cap bodies are mounted, the two fixing rods 321 on the inner cap bodies 32 are connected with the inner walls of the two outer cap bodies 31, then the screws 34 are mounted to fix the two inner cap bodies 32 in the two outer cap bodies 31, the two outer cap bodies 31 are assembled simultaneously, and the.
In another embodiment, three fixing rods 321 are fixed on the outer wall of the inner cap body 32, the fixing rods 321 are attached to the inner wall of the outer cap body 31, a screw 34 is installed on the outer cap body 31, the screw 34 penetrates through the outer cap body 31 and is in threaded connection with the fixing rods 321, the three fixing rods 321 are distributed in a delta shape, the bearing capacity of the inner cap body 32 installed in the outer cap body 31 can be improved through the three fixing rods 321, and the strength is high.
Specifically, the lower terminal surface of outer cap body 31 is equipped with nut 33, the inside of nut 33 have with drill bit passageway 302, the cavity of chip removal export 314 intercommunication, the outer wall of nut 33 is equipped with screw thread portion 331, nut 33 can be dismantled with moving platform 1 through screw thread portion 331 and be connected, outer cap body 31 is connected on moving platform 1 through the nut 33 detachable of bottom, can be according to the difference of drill bit, set up different chip removal caps 3, constitute chip removal cap group, in the operation, can be according to the difference of drill bit, use different chip removal caps 3.
Specifically, the chip removing cutter 4 is welded and fixed on the inner wall of the bearing 5 through a connecting part 41, and if the length of the chip removing cutter 4 is long, the chip removing cutter is slightly inclined during welding so as to adapt to a chip removing groove of the drill.
The working principle and the using process of the invention are as follows: bearing installation portions 322 on the two inner cap bodies 32 are combined to form a containing portion for placing the bearing 5, the chip removing cutter 4 is fixed on the inner wall of an inner ring of the bearing 5, and therefore when the chip removing cutter 4 is subjected to axial force, the chip removing cutter can rotate and has small resistance, in the process that the drill bit slides up and down, the chip removing cutter 4 slides along a chip removing groove of the drill bit in an adaptive manner, residual chips in the chip removing groove are shoveled, the chips shoveled down from the chip removing cutter 4 slide down from an inclined plane of the chip removing cutter 4 and then slide to the upper side of the top wall 7, slide into the chip removing inlet 312 and fall into the chip removing channel 313, then are discharged through the chip removing outlet 314, and in the process that the drill bit moves upwards, the bearing 5 rotates reversely.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a drill bit that CNC drilling machine used moves back bits device, includes moving platform (1) and drilling subassembly (2), its characterized in that: one side of moving platform (1) can be dismantled and be connected with and move back bits cap (3), move back bits cap (3) and include two outer cap bodies (31) and two inner cap bodies (32), two inner cap body (32) are fixed two the inside of outer cap body (31), just the upper portion of the inner cap body (32) is equipped with bearing installation department (322), install bearing (5) in bearing installation department (322), the inner wall of bearing (5) is fixed with moves back bits sword (4) with the laminating of drill bit chip groove, the top intermediate position department of the outer cap body (31) has seted up and has been entered the mouth (301) with drill bit complex drill bit, the below of drill bit entry (301) is equipped with drill bit passageway (302), move back bits sword (4) and be located in drill bit passageway (302), the lateral wall of the inner cap body (32) with form chip removal passageway (313) between the inside wall of the outer cap body (31), a chip removal inlet (312) communicated with the drill bit channel (302) is arranged above the chip removal channel (313), and a chip removal outlet (314) communicated with the drill bit channel (302) is arranged below the chip removal channel (313);
a nut (33) is arranged on the lower end face of the outer cap body (31), and a cavity communicated with the drill bit channel (302) and the chip removal outlet (314) is formed in the nut (33);
the outer wall of nut (33) is equipped with screw thread portion (331), nut (33) pass through screw thread portion (331) with moving platform (1) can dismantle the connection.
2. The bit chip removing device for the CNC drilling machine as recited in claim 1, wherein: the inboard of outer cap body (31) is close to drill bit entry (301) department is equipped with downwardly extending's lug (311), the below of lug (311) with form between the top of bearing installation department (322) chip removal entry (312).
3. The bit chip removing device for the CNC drilling machine as recited in claim 1, wherein: bearing installation portion (322) include roof (7), lateral wall (8) and diapire (9), roof (7), lateral wall (8) and diapire (9) inboard form and hold the appearance chamber of bearing (5).
4. The bit chip removing device for the CNC drilling machine as recited in claim 3, wherein: the upper end of the chip removing knife (4) is provided with an inclined plane, and the lower edge of the inclined plane is positioned above the top wall (7).
5. The bit chip removing device for the CNC drilling machine as recited in claim 1, wherein: at least two fixing rods (321) are fixed on the outer wall of the inner cap body (32), the fixing rods (321) are attached to the inner wall of the outer cap body (31), a screw (34) is installed on the outer cap body (31), and the screw (34) penetrates through the outer cap body (31) and is in threaded connection with the fixing rods (321).
6. The bit chip removing device for the CNC drilling machine as recited in claim 1, wherein: the outer wall of the inner cap body (32) is fixed with three fixing rods (321), the fixing rods (321) are attached to the inner wall of the outer cap body (31), screws (34) are mounted on the outer cap body (31), the screws (34) penetrate through the outer cap body (31) and are in threaded connection with the fixing rods (321), and the three fixing rods (321) are distributed in a shape like a Chinese character 'pin'.
7. The bit chip removing device for the CNC drilling machine as recited in claim 1, wherein: the number of the outer cap bodies (31) is two, the two outer cap bodies (31) are spliced to form a complete cylinder, and one inner cap body (32) positioned on the inner side of each outer cap body (31) is fixedly connected with the two outer cap bodies (31).
8. The bit chip removing device for the CNC drilling machine as recited in claim 1, wherein: the chip removing knife (4) is fixed on the inner wall of the bearing (5) through a connecting part (41) in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911160301.XA CN111014780B (en) | 2019-11-23 | 2019-11-23 | Drill bit chip removing device for CNC (computer numerical control) drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911160301.XA CN111014780B (en) | 2019-11-23 | 2019-11-23 | Drill bit chip removing device for CNC (computer numerical control) drilling machine |
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| Publication Number | Publication Date |
|---|---|
| CN111014780A CN111014780A (en) | 2020-04-17 |
| CN111014780B true CN111014780B (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911160301.XA Active CN111014780B (en) | 2019-11-23 | 2019-11-23 | Drill bit chip removing device for CNC (computer numerical control) drilling machine |
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| CN (1) | CN111014780B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113458443A (en) * | 2021-05-28 | 2021-10-01 | 周云娟 | Radial drilling machine |
| CN116851806B (en) * | 2023-09-04 | 2023-11-24 | 泰州汇锦电子有限公司 | Tapping device with aperture adjusting function for television bracket manufacturing |
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|---|---|---|---|---|
| SU946811A1 (en) * | 1980-05-27 | 1982-07-30 | За витель ., 946811 (I | Apparatus for breaking chip to drilling machine |
| JPS60146604U (en) * | 1984-03-09 | 1985-09-28 | 日本電気株式会社 | Chip wrap prevention adapter for NC lathe |
| JPH08174321A (en) * | 1994-12-27 | 1996-07-09 | Eiichi Kosaka | Chip cutting bush |
| CN1132129A (en) * | 1995-03-30 | 1996-10-02 | 吴庆隆 | Method and device for removing drilling filings on drilling |
| JP2001079705A (en) * | 1999-09-08 | 2001-03-27 | Honda Motor Co Ltd | Cutting device |
| CN203092501U (en) * | 2010-11-18 | 2013-07-31 | 曾宽立 | Dust collector for electric drill |
| CN104107932A (en) * | 2013-04-19 | 2014-10-22 | 苏州文鼎模具有限公司 | Drill bit with chip removal machine |
| CN106041174A (en) * | 2016-07-20 | 2016-10-26 | 江苏腾旋科技股份有限公司 | Chip removal box for deep-hole drilling machine |
| CN107931671A (en) * | 2017-11-23 | 2018-04-20 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of device that can be cleared up drilling and twine bits |
| CN208613883U (en) * | 2018-07-25 | 2019-03-19 | 厦门精研自动化元件有限公司 | A kind of broaching tool scrap iron removing apparatus |
-
2019
- 2019-11-23 CN CN201911160301.XA patent/CN111014780B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU946811A1 (en) * | 1980-05-27 | 1982-07-30 | За витель ., 946811 (I | Apparatus for breaking chip to drilling machine |
| JPS60146604U (en) * | 1984-03-09 | 1985-09-28 | 日本電気株式会社 | Chip wrap prevention adapter for NC lathe |
| JPH08174321A (en) * | 1994-12-27 | 1996-07-09 | Eiichi Kosaka | Chip cutting bush |
| CN1132129A (en) * | 1995-03-30 | 1996-10-02 | 吴庆隆 | Method and device for removing drilling filings on drilling |
| JP2001079705A (en) * | 1999-09-08 | 2001-03-27 | Honda Motor Co Ltd | Cutting device |
| CN203092501U (en) * | 2010-11-18 | 2013-07-31 | 曾宽立 | Dust collector for electric drill |
| CN104107932A (en) * | 2013-04-19 | 2014-10-22 | 苏州文鼎模具有限公司 | Drill bit with chip removal machine |
| CN106041174A (en) * | 2016-07-20 | 2016-10-26 | 江苏腾旋科技股份有限公司 | Chip removal box for deep-hole drilling machine |
| CN107931671A (en) * | 2017-11-23 | 2018-04-20 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of device that can be cleared up drilling and twine bits |
| CN208613883U (en) * | 2018-07-25 | 2019-03-19 | 厦门精研自动化元件有限公司 | A kind of broaching tool scrap iron removing apparatus |
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| CN111014780A (en) | 2020-04-17 |
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