CN111266633A - Anti-abrasion inner hole machining drill bit used in shaft sleeve machining process - Google Patents
Anti-abrasion inner hole machining drill bit used in shaft sleeve machining process Download PDFInfo
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- CN111266633A CN111266633A CN202010146259.2A CN202010146259A CN111266633A CN 111266633 A CN111266633 A CN 111266633A CN 202010146259 A CN202010146259 A CN 202010146259A CN 111266633 A CN111266633 A CN 111266633A
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- drill bit
- shell
- bearing
- shaft sleeve
- convenient
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
-
- 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
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
-
- 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
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
- B23Q11/0825—Relatively slidable coverings, e.g. telescopic
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an anti-abrasion inner hole processing drill bit used in the shaft sleeve processing process, which comprises a drill bit, wherein the rear end of the drill bit is provided with a connector, the front end of the connector is provided with a bearing, the bearing is in interference connection with a protective shell, a spring is arranged in the protective shell, a pressure head is inserted in the protective shell, and the pressure head and the spring are fixedly connected together. The service life of the drill bit is effectively prolonged.
Description
Technical Field
The invention relates to the technical field of drill bits, in particular to an anti-abrasion inner hole machining drill bit used in the machining process of a shaft sleeve.
Background
The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of a sliding bearing, generally, the shaft sleeve is in interference fit with a bearing seat and is in clearance fit with the shaft, the shaft sleeve is usually required to be drilled with a drill bit in the processing process of the shaft sleeve, but the drill bit for processing the existing multi-shaft sleeve has the following problems: the existing drill bit for processing the shaft sleeve is poor in wear resistance, so that a large amount of iron chips are abraded to the arc side face of the drill bit when the drill bit is used for processing a blank of the shaft sleeve, and the service life of the drill bit is shortened.
Disclosure of Invention
The invention aims to provide an anti-abrasion inner hole processing drill bit used in a shaft sleeve processing process, and aims to solve the problem that the existing drill bit for shaft sleeve processing is poor in abrasion resistance, so that a large amount of scrap iron is abraded on an arc side surface of the drill bit when the drill bit is used for shaft sleeve blank processing, and the service life of the drill bit is shortened.
The invention is realized by the following steps:
an anti-abrasion inner hole machining drill bit used in a shaft sleeve machining process comprises a drill bit, wherein a connector is arranged at the rear end of the drill bit, a bearing is arranged at the front end of the connector, the bearing is in interference connection with a protective shell, a spring is arranged in the protective shell, a pressure head is inserted in the protective shell, and the pressure head and the spring are fixedly connected together; the connector is convenient for the drill bit and equipment link together, thereby it is rotatory to make things convenient for the drill bit to have equipment to drive, and then make things convenient for the drill bit to drill to axle sleeve blank, the bearing is convenient for the protective housing rotatory, avoid being convenient for can take place relative rotation between protective housing and the drill bit, be convenient for carry out effectual protection to the drill bit, the protective housing is convenient for cooperate flexible shell to protect the drill bit, thereby conveniently reduce iron fillings and produce great wearing and tearing to the drill bit side, the flexible shell of being convenient for of spring can automatic re-setting, thereby make things convenient for the use of flexible shell, the use of flexible shell of being convenient for, the stability of flexible shell of being convenient for during flexible shell and spring fixed connection purpose together, avoid flexible shell to break away.
Furthermore, the front end of the connector is provided with a mounting groove, and the inner diameter of the bearing is larger than the outer diameter of the drill bit; the mounting groove is convenient for install the bearing to make things convenient for the use of bearing, the stability of the protective housing of being convenient for, the purpose that the internal diameter of bearing is greater than the external diameter of drill bit is avoided protective housing and drill bit contact, thereby makes to produce the friction between protective housing and the drill bit and influences the life of drill bit.
Furthermore, a connecting ring is arranged at the position, aligned with the bearing, of the rear end of the protective shell, and the outer diameter of the connecting ring is matched with the inner diameter of the bearing; the connecting ring is convenient for the protective housing and the bearing to be matched and connected together, so that the protective housing can rotate relative to the drill bit, and the protective housing is convenient to use.
Furthermore, the front end of the protective shell is provided with an inserting groove, the middle part of the protective shell is provided with an inserting hole, and the inner diameter of the inserting hole is larger than the outer diameter of the drill bit; the slot is convenient for install the spring, and the flexible shell of liquid is convenient for link together with the protective housing simultaneously, and the use of the flexible shell of being convenient for, the jack is convenient for the protective housing cover on the drill bit, and the stability of the protective housing of being convenient for is very big the use of making things convenient for the protective housing.
Furthermore, the rear end of the telescopic shell is aligned with the slot, and the wall thickness of the telescopic shell is matched with that of the slot; the structure is convenient for the telescopic shell to be inserted into the front end of the protective shell, and is convenient for the installation and the use of the telescopic shell.
Furthermore, a pressure head is arranged at the front end of the telescopic shell, and a sleeve hole matched with the drill bit is arranged in the middle of the pressure head; the pressure head is convenient for flexible shell and the contact of axle sleeve blank, is convenient for carry out the drilling to the blank at the drill bit, and the pressure head can support the blank to make things convenient for the drill bit to normally sink into the blank inboard and carry out the drilling.
Install the drill bit in the position of the correspondence of equipment and fixed during the use earlier, later fix the axle sleeve blank on the anchor clamps of equipment, later drive arrangement removes the cutter and drills to the axle sleeve blank, it can be blocked by protective housing and flexible shell to produce a large amount of iron fillings when drilling, thereby avoided iron fillings to cause wearing and tearing to the drill bit, because bearing and shell are connected the reason the drill bit is rotatory can not drive flexible shell and follow its rotation when flexible shell supports the blank surface, avoid producing the friction between flexible head and the blank and cause the damage to the blank.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the drill bit structure for processing the shaft sleeve is improved and optimized, so that the wear resistance of the drill bit for processing the shaft sleeve is effectively enhanced, the drill bit is prevented from being worn by a large amount of scrap iron generated when the drill bit drills a shaft sleeve blank, and meanwhile, the drill bit with the structure effectively protects the drill bit and effectively prolongs the service life of the drill bit.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the construction of a bushing-machining drill of the present invention;
FIG. 2 is a schematic representation of the construction of the drill bit of the present invention;
FIG. 3 is a schematic view of the protective case of the present invention;
FIG. 4 is a schematic structural view of the telescoping shell of the present invention;
in the figure: 1-a drill bit; 11-a connector; 12-mounting grooves; 13-a bearing; 2-protective shell; 21-a connecting ring; 22-slot; 23-a spring; 24-a jack; 3-a telescopic shell; 31-pressure head; 32-trepanning.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example (b): referring to fig. 1, 2 and 3: an anti-abrasion inner hole machining drill bit used in the shaft sleeve machining process comprises a drill bit 1, wherein a connector 11 is arranged at the rear end of the drill bit 1, a bearing 13 is arranged at the front end of the connector 11, the bearing 13 is in interference connection with a protective shell 2, a spring 23 is arranged inside the protective shell 2, a pressure head 31 is inserted into the protective shell 2, and the pressure head 31 and the spring 23 are fixedly connected together; the connector 11 is convenient for the drill bit 1 to be connected with equipment, so that the drill bit 1 is convenient to be driven by the equipment to rotate, and further the drill bit 1 is convenient to drill a shaft sleeve blank, the bearing 13 is convenient for the protective shell 2 to rotate, the relative rotation between the protective shell 2 and the drill bit 1 is avoided, the drill bit 1 is convenient to be effectively protected, the protective shell 2 is convenient to be matched with the telescopic shell 3 to protect the drill bit 1, so that the large abrasion of scrap iron on the side surface of the drill bit 1 is conveniently reduced, the telescopic shell 3 can be automatically reset by the spring 23, the telescopic shell 3 is convenient to use, the telescopic shell 3 and the spring 23 are fixedly connected together, the stability of the telescopic shell 3 is convenient, the telescopic shell 3 is prevented from being easily separated from the protective shell 2; this kind of structure makes 1 wearability of drill bit of axle sleeve processing usefulness obtain effectual reinforcing, avoids a large amount of iron fillings that produce when 1 axle sleeve blank of drill bit drills to wear and tear drill bit 1, and 1 the effectual drill bit 1 of having protected of drill bit of this kind of structure has effectually improved drill bit 1's life simultaneously.
Referring to FIG. 2: the front end of the connector 11 is provided with a mounting groove 12, and the inner diameter of the bearing 13 is larger than the outer diameter of the drill bit 1; the mounting groove 12 facilitates mounting of the bearing 13, thereby facilitating use of the bearing 13 and stabilization of the protective shell 2, and the purpose that the inner diameter of the bearing 13 is larger than the outer diameter of the drill bit 1 is to avoid contact between the protective shell 2 and the drill bit 1, thereby causing friction between the protective shell 2 and the drill bit 1 to affect the service life of the drill bit 1.
Referring to FIG. 3: a connecting ring 21 is arranged at the position, aligned with the bearing 13, of the rear end of the protective shell 2, and the outer diameter of the connecting ring 21 is matched with the inner diameter of the bearing 13; the connecting ring 21 is convenient for the protective shell 2 and the bearing 13 to be matched and connected together, so that the protective shell 2 and the drill bit 1 can rotate relatively, and the protective shell 2 can be used conveniently; the front end of the protective shell 2 is provided with a slot 22, the middle part of the protective shell 2 is provided with a jack 24, and the inner diameter of the jack 24 is larger than the outer diameter of the drill bit 1; the slot 22 is convenient for install spring 23, and the flexible shell 3 of being convenient for of liquid links together with protective housing 2 simultaneously, and the use of the flexible shell 3 of being convenient for, jack 24 are convenient for protective housing 2 cover on drill bit 1, and the stability of the protective housing 2 of being convenient for, very big use of the protective housing 2 of being convenient for.
Referring to FIG. 4: the rear end of the telescopic shell 3 is aligned with the slot 22, and the wall thickness of the telescopic shell 3 is matched with that of the slot 22; the structure is convenient for the telescopic shell 3 to be inserted into the front end of the protective shell 2, and is convenient for the installation and the use of the telescopic shell 3; the front end of the telescopic shell 3 is provided with a pressure head 31, and the middle part of the pressure head 31 is provided with a trepan boring 32 matched with the drill bit 1; the pressure head 31 is convenient for the contact of flexible shell 3 and axle sleeve blank, is convenient for carry out the drilling to the blank at drill bit 1 and is that the pressure head 31 can support the blank to make things convenient for drill bit 1 can normally sink into the blank inboard and carry out the drilling.
The using method comprises the following steps: install drill bit 1 in the position of the correspondence of equipment and fixed during the use earlier, later fix the axle sleeve blank on the anchor clamps of equipment, later the drive arrangement removes the cutter and drills to the axle sleeve blank, it can be blocked by protective housing 2 and flexible shell 3 to produce a large amount of iron fillings when drilling, thereby avoided iron fillings to cause wearing and tearing to drill bit 1, because bearing 13 and shell are connected when flexible shell 3 supports the blank surface the rotation of drill bit 1 can not drive flexible shell 3 and shell and follow its rotation, avoid producing the friction between flexible head and the blank and cause the damage to the blank.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (6)
1. The utility model provides an abrasionproof that uses in axle sleeve course of working decreases hole processing drill bit which characterized in that: including drill bit (1), drill bit (1) rear end is equipped with connector (11), connector (11) front end is equipped with bearing (13), bearing (13) interference is connected with protective housing (2), protective housing (2) inside is equipped with spring (23), and protective housing (2) inside is pegged graft and is had pressure head (31), pressure head (31) and spring (23) fixedly connected with are in the same place.
2. The abrasion-proof inner hole processing drill bit for the shaft sleeve processing process is characterized in that a mounting groove (12) is formed in the front end of the connecting head (11), and the inner diameter of the bearing (13) is larger than the outer diameter of the drill bit (1).
3. The abrasion-proof inner hole processing drill bit used in the shaft sleeve processing process is characterized in that a connecting ring (21) is arranged at the position, aligned with the bearing (13), of the rear end of the protective shell (2), and the outer diameter of the connecting ring (21) is matched with the inner diameter of the bearing (13).
4. The abrasion-proof inner hole processing drill bit for the shaft sleeve processing process is characterized in that the front end of the protective shell (2) is provided with a slot (22), the middle of the protective shell (2) is provided with a jack (24), and the inner diameter of the jack (24) is larger than the outer diameter of the drill bit (1).
5. The abrasion-proof inner hole machining drill bit for the shaft sleeve machining process is characterized in that the rear end of the telescopic shell (3) is aligned with the slot (22), and the wall thickness of the telescopic shell (3) is matched with that of the slot (22).
6. The abrasion-proof inner hole processing drill bit for the shaft sleeve processing process is characterized in that a pressure head (31) is arranged at the front end of the telescopic shell (3), and a sleeve hole (32) matched with the drill bit (1) is formed in the middle of the pressure head (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010146259.2A CN111266633A (en) | 2020-03-05 | 2020-03-05 | Anti-abrasion inner hole machining drill bit used in shaft sleeve machining process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010146259.2A CN111266633A (en) | 2020-03-05 | 2020-03-05 | Anti-abrasion inner hole machining drill bit used in shaft sleeve machining process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111266633A true CN111266633A (en) | 2020-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010146259.2A Pending CN111266633A (en) | 2020-03-05 | 2020-03-05 | Anti-abrasion inner hole machining drill bit used in shaft sleeve machining process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111266633A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116441600A (en) * | 2023-06-15 | 2023-07-18 | 中北大学 | Combined layered square hole drill bit |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101905338A (en) * | 2009-06-03 | 2010-12-08 | 鸿富锦精密工业（深圳）有限公司 | Drillings remover and drill |
| CN202726128U (en) * | 2012-06-07 | 2013-02-13 | 江苏天工工具有限公司 | Drill used for small hole drilling |
| CN106624047A (en) * | 2015-11-02 | 2017-05-10 | 开县正品诚赢科技发展有限责任公司 | Drilling equipment with dustproof function |
| CN206253696U (en) * | 2016-12-07 | 2017-06-16 | 东莞市龙晶微钻精密工具有限公司 | A kind of microbit |
| CN206382595U (en) * | 2016-12-22 | 2017-08-08 | 刘占魁 | It is a kind of to use stable hand-held drilling machine |
| CN207592863U (en) * | 2017-12-18 | 2018-07-10 | 台州市黄岩宏特精工模具有限公司 | The processing of ultra-deep position is lengthened with adjustable tools to be covered |
| CN109317726A (en) * | 2018-11-20 | 2019-02-12 | 佛山科学技术学院 | A kind of wear-resisting drill |
-
2020
- 2020-03-05 CN CN202010146259.2A patent/CN111266633A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101905338A (en) * | 2009-06-03 | 2010-12-08 | 鸿富锦精密工业（深圳）有限公司 | Drillings remover and drill |
| CN202726128U (en) * | 2012-06-07 | 2013-02-13 | 江苏天工工具有限公司 | Drill used for small hole drilling |
| CN106624047A (en) * | 2015-11-02 | 2017-05-10 | 开县正品诚赢科技发展有限责任公司 | Drilling equipment with dustproof function |
| CN206253696U (en) * | 2016-12-07 | 2017-06-16 | 东莞市龙晶微钻精密工具有限公司 | A kind of microbit |
| CN206382595U (en) * | 2016-12-22 | 2017-08-08 | 刘占魁 | It is a kind of to use stable hand-held drilling machine |
| CN207592863U (en) * | 2017-12-18 | 2018-07-10 | 台州市黄岩宏特精工模具有限公司 | The processing of ultra-deep position is lengthened with adjustable tools to be covered |
| CN109317726A (en) * | 2018-11-20 | 2019-02-12 | 佛山科学技术学院 | A kind of wear-resisting drill |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116441600A (en) * | 2023-06-15 | 2023-07-18 | 中北大学 | Combined layered square hole drill bit |
| CN116441600B (en) * | 2023-06-15 | 2023-09-12 | 中北大学 | Combined layered square hole drill bit |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200612 |
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| RJ01 | Rejection of invention patent application after publication |