CN114310504B - Small-aperture gun drill edge grinder - Google Patents
Small-aperture gun drill edge grinder Download PDFInfo
- Publication number
- CN114310504B CN114310504B CN202111667730.3A CN202111667730A CN114310504B CN 114310504 B CN114310504 B CN 114310504B CN 202111667730 A CN202111667730 A CN 202111667730A CN 114310504 B CN114310504 B CN 114310504B
- Authority
- CN
- China
- Prior art keywords
- sharpening
- turntable
- cutter
- guide seat
- grinding wheel
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 8
- 238000003754 machining Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention provides a small-aperture gun drill edge grinder which comprises a motor, a bracket body, a grinding wheel, a grinding turntable, a supporting workbench, a rotating shaft, a guide seat sleeve and a cutter clamping body, wherein the grinding wheel is arranged on the top side of the bracket body, and the motor in control connection with the grinding wheel is arranged on the bottom side of the bracket body; the upper part of the supporting workbench is rotationally connected with the sharpening turntable through a rotating shaft, a plurality of guide seat sleeves are uniformly arranged on the sharpening turntable in the circumferential direction, the included angles between the guide seat sleeves and the sharpening turntable are different, and a detachable cutter clamping body is arranged in each guide seat sleeve; the guide seat sleeve moves above the grinding wheel along with the rotation of the sharpening turntable, so that the cutter clamped by the cutter clamping body is ground by the grinding wheel. The invention is specially used for sharpening gun drills smaller than Kong mm. The structure is more compact, the clamping is convenient and reasonable, the clamp is simple to adjust, the sharpening of all angles can be completed after one-time clamping, and the processing time is saved. The processed drill edge has high strength and good precision.
Description
Technical Field
The invention relates to the field of gun drill edge grinders, in particular to a gun drill edge grinder with a small aperture.
Background
With the rapid development of manufacturing technology, there are many machining workpieces that require machining deep holes of very small diameters. The sharpening shape of the nose end of the small-aperture integral hard alloy single-edge gun drill used in the machining process has influences on the tolerance of the small hole, the formation of chips, the cooling pressure flow, the service life, the central line deviation and the surface quality, namely, the sharpening shape of the nose end of the small-aperture gun drill determines the quality range of a workpiece to be machined, and particularly in the machining of a deep hole drill machine tool. If small Kong mm aperture workpieces or large workpieces are to be machined in bulk, a dedicated small aperture edge grinder is required for grinding. In the related industry at present, due to the design limitation of the sizes of various workpieces, there are few related special small-aperture grinders. Therefore, the sharpening of the nose end of the sharpening of the current small-aperture gun drill almost depends on experience and visual observation of operators, and the sharpening angle deviation is large easily to influence the machining precision of the small aperture.
The sharpening grinding range of the sharpening machine in the market at present is mostly about phi 5-phi 40mm, the small aperture below phi 5mm is almost small, the sharpening machine in the market is mainly of an integral structure, the use and the installation occupy a certain space range, and due to the clamp design reasons of the sharpening machine, the technical requirements on the professional technology of operators are high, and beginners cannot easily get on hands. This also limits the work piece processing time schedule.
Disclosure of Invention
The invention aims to provide a small-aperture gun drill sharpening machine, which utilizes a simple and reliable cutter clamping mechanism to adjust the required sharpening length of a small-aperture gun drill in a sliding mode, so that the gun drill is matched with a clamping sleeve in a plugging and pulling mode to carry out grinding work.
In order to achieve the above purpose, the invention provides a small-aperture gun drill sharpening machine, which comprises a motor, a bracket body, a grinding wheel, a sharpening turntable, a supporting workbench, a rotating shaft, a guide seat sleeve and a cutter clamping body, wherein the grinding wheel is arranged on the top side of the bracket body, and the motor in control connection with the grinding wheel is arranged on the bottom side of the bracket body; the upper part of the supporting workbench is rotationally connected with the sharpening turntable through the rotating shaft, a plurality of guide seat sleeves are uniformly arranged on the sharpening turntable in the circumferential direction, included angles between the guide seat sleeves and the sharpening turntable are different, and a detachable cutter clamping body is arranged in each guide seat sleeve; the guide seat sleeve moves above the grinding wheel along with the rotation of the sharpening turntable, so that the cutter clamped by the cutter clamping body is ground by the grinding wheel.
Further, in the small-aperture gun drill sharpening machine, the cutter clamping body is inserted and fixed in the guide seat sleeve.
Further, in the small-aperture gun drill edge grinder, the cutter clamping body comprises a clamping outer sleeve, a sliding module and a rotary cap, the rotary cap is rotatably arranged on the outer side of the clamping outer sleeve, the sliding module is slidably arranged on the inner side of the clamping outer sleeve, the rotary cap is in transmission connection with the sliding module, and the cutter which is arranged in a penetrating manner is clamped in the sliding module; and rotating the rotary cap, controlling the sliding module to slide back and forth along the axis in the clamping sleeve, and driving the cutter to perform back and forth translational movement.
Further, in the small-aperture gun drill sharpening machine, a cutter pair distance body is arranged at the head end of the clamping sleeve, and the end part of the cutter penetrates through the cutter pair distance body.
Further, in the small-aperture gun drill sharpening machine, one side of the screw cap, which is opposite to the clamping sleeve, is provided with the limiting ring.
Further, in the small-bore gun drill sharpening machine, the outer diameter of the limiting ring is larger than the inner diameter of the guide sleeve.
Further, in the small-bore gun drill sharpening machine, the number of the guide sleeve is 4.
Further, in the small-aperture gun drill sharpening machine, the included angle between each guide sleeve arranged along the clockwise needle row and the sharpening turntable is sequentially reduced.
Further, in the small-aperture gun drill sharpening machine, the supporting workbench is arranged on the side edge of the bracket body through an openable mechanism.
Compared with the prior art, the invention has the beneficial effects that: the invention is specially used for sharpening gun drills smaller than Kong mm. The sharpening angle shape of the required small-aperture gun drill is ensured by fixing the guide seat sleeve which is obliquely arranged on the sharpening turntable. The tool clamping body that the guide sleeve interpolation card set up can change the gun drill fast, and simple efficient realization gun drill grinds, compact structure, the clamping structure of the tool clamping body is convenient reasonable, and fixture size adjustment is simple, can accomplish the sharpening of all angles after the clamping, and processing time saving makes the drill edge intensity of processing high, the precision is good.
Meanwhile, the openable mechanism arranged on the side can realize quick and labor-saving principle to replace gun drills in batches, so that gun drill grinding is realized more simply and efficiently, the power of motor selection can be reduced as much as possible by the aid of the table structure with light design, the volume and weight of the whole machine are controlled, simplification is realized, weight is reduced, and processing conditions are improved efficiently.
Drawings
FIG. 1 is a schematic diagram of the structure of a small-aperture gun drill sharpening machine of the present invention;
fig. 2 is a schematic structural view of a tool holder according to the present invention.
Wherein: the grinding wheel grinding machine comprises a motor 1, a bracket body 2, a grinding wheel 3, a grinding wheel turntable 4, a supporting workbench 5, a rotating shaft 6, a first guide sleeve 7, a second guide sleeve 8, a third guide sleeve 9, a fourth guide sleeve 10, a cutter clamping body 11, a clamping outer sleeve 12, a sliding module 13, a rotary cap 14, a limiting ring 15 and a cutter distance aligning body 16.
Detailed Description
The small bore gun drill sharpening machine of the present invention will be described in more detail below in conjunction with the schematic drawings, wherein preferred embodiments of the present invention are shown, it being understood that one skilled in the art could modify the invention described herein while still achieving the advantageous effects of the invention. Accordingly, the following description is to be construed as broadly known to those skilled in the art and not as limiting the invention.
In the description of the present invention, it should be noted that, for the azimuth words such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present invention that the device or element referred to must have a specific azimuth configuration and operation.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such features, and in the description of the invention, "at least" means one or more, unless clearly specifically defined otherwise.
The invention is more particularly described by way of example in the following paragraphs with reference to the drawings. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
As shown in fig. 1, the invention provides a small-aperture gun drill sharpening machine, which comprises a motor 1, a bracket body 2, a grinding wheel 3, a sharpening turntable 4, a supporting workbench 5, a rotating shaft 6, a guide seat sleeve and a cutter clamping body 11, wherein the grinding wheel 3 is arranged on the top side of the bracket body 2, and the motor 1 in control connection with the grinding wheel 3 is arranged on the bottom side of the bracket body 2; the top of supporting bench 5 passes through axis of rotation 6 with carousel 4 swivelling joint whets a knife, it evenly is equipped with a plurality of to whet a knife circumference on the carousel 4 the direction seat cover, each the direction seat cover with the contained angle between the carousel 4 whets a knife is different, be equipped with detachable in the direction seat cover cutter holder 11 promptly cutter holder 11 plug-in card is fixed in the direction seat cover, convenient plug is in order to carry out the position change. The guide sleeve moves above the grinding wheel 3 along with the rotation of the sharpening turntable 4, so that the cutter clamped by the cutter clamping body 11 is ground by the grinding wheel 3.
Further, as shown in fig. 2, the tool holding body 11 includes a holding jacket 12, a sliding module 13, a screw cap 14, a limit ring 15 and a tool pair distance body 16,
The outer side of the clamping sleeve 12 is rotatably provided with the screw cap 14, the inner side of the clamping sleeve is slidably provided with the sliding module 13, the screw cap 14 is in transmission connection with the sliding module 13, and the cutter which is arranged in a penetrating manner is clamped in the sliding module 13; the rotary cap 14 is rotated to control the sliding module 13 to slide back and forth along the axis in the clamping sleeve 12, so as to drive the cutter to perform back and forth translational movement, thereby adjusting the required length of the cutter to be ground, namely controlling the required length of the gun drill to be sharpened. The head end of the clamping sleeve 12 is provided with a cutter pair distance body 16, and the end part of the cutter penetrates through the cutter pair distance body 16, so that the length of the end part of the cutter, which needs to be ground, is conveniently and finely confirmed through the cutter pair distance body 16. The side of the screw cap 14, which is opposite to the clamping sleeve 12, is provided with a limiting ring 15, the outer diameter of the limiting ring 15 is larger than the inner diameter of the guide sleeve, and the limiting ring 15 is used for limiting the specific position of the cutter clamping body 11 in the guide sleeve.
Further, as shown in fig. 1, the number of the guide sleeves is 4, each guide sleeve arranged along the clockwise direction is a first guide sleeve 7, a second guide sleeve 8, a third guide sleeve 9 and a fourth guide sleeve 10 in sequence, and the included angle between each guide sleeve arranged along the clockwise direction and the sharpening turntable 4 is sequentially reduced, that is, the included angles between the first guide sleeve 7, the second guide sleeve 8, the third guide sleeve 9 and the fourth guide sleeve 10 and the sharpening turntable 4 are respectively sequentially reduced.
Further, as shown in fig. 1, the supporting workbench 5 is arranged on the side edge of the bracket body 2 through an openable mechanism, so that the gun drills can be replaced in batches quickly and laborsaving, and grinding of the gun drills is simply and efficiently realized.
In a specific operation condition, the motor 1 is utilized to rotate the grinding wheel 3 through the grinding wheel 3 and the installation assembly thereof, so that the grinding wheel 3 performs grinding work. The position of the slide module 13 within the grip housing 12 is adjusted by the screw cap 14 to confirm the required sharpening length of the small bore gun drill with the cutter on the distance body 16. Namely, the nose end of the gun drill with the adjusted grinding length is installed into the cutter clamping body 11, and the cutter is clamped by the cutter clamping body 11. And the openable and closable structure of the supporting workbench 5 is closed and locked, and the knife sharpening carousel 4 is driven to rotate clockwise by the rotating shaft 6. Simultaneously, the rotating sharpening turntable 4 completes sharpening of one angle, and the cutter clamping bodies 11 in the transposition guide sleeve are repeatedly plugged and unplugged respectively in a counter-clockwise order to carry out sharpening of the next angle, namely, the cutter clamping bodies 11 are repeatedly plugged and unplugged and replaced respectively from the fourth guide sleeve 10, the third guide sleeve 9, the second guide sleeve 8 and the first guide sleeve 7, so that the sharpening of all angles of the small-aperture gun drill is completed, and the small-aperture gun drill angle which completely accords with the standard is rapidly ground.
In summary, in the embodiment, the small-aperture gun drill sharpening machine is provided, and the tool is specially used for sharpening gun drills smaller than Kong mm. The sharpening angle shape of the required small-aperture gun drill is ensured by fixing the guide seat sleeve which is obliquely arranged on the sharpening turntable. The tool clamping body that the guide sleeve interpolation card set up can change the gun drill fast, and simple efficient realization gun drill grinds, compact structure, the clamping structure of the tool clamping body is convenient reasonable, and fixture size adjustment is simple, can accomplish the sharpening of all angles after the clamping, and processing time saving makes the drill edge intensity of processing high, the precision is good.
Meanwhile, the openable mechanism arranged on the side can realize quick and labor-saving principle to replace gun drills in batches, so that gun drill grinding is realized more simply and efficiently, the power of motor selection can be reduced as much as possible by the aid of the table structure with light design, the volume and weight of the whole machine are controlled, simplification is realized, weight is reduced, and processing conditions are improved efficiently.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Any person skilled in the art will make any equivalent substitution or modification to the technical solution and technical content disclosed in the invention without departing from the scope of the technical solution of the invention, and the technical solution of the invention is not departing from the scope of the invention.
Claims (5)
1. The small-aperture gun drill sharpening machine is characterized by comprising a motor (1), a support body (2), a grinding wheel (3), a sharpening turntable (4), a supporting workbench (5), a rotating shaft (6), a guide seat sleeve and a cutter clamping body (11), wherein the grinding wheel (3) is arranged on the top side of the support body (2), and the motor (1) in control connection with the grinding wheel (3) is arranged on the bottom side of the support body (2); the upper part of the supporting workbench (5) is rotationally connected with the sharpening turntable (4) through the rotating shaft (6), a plurality of guide seat sleeves are uniformly arranged on the sharpening turntable (4) in the circumferential direction, the included angles between the guide seat sleeves and the sharpening turntable (4) are different, and a detachable cutter clamping body (11) is arranged in the guide seat sleeve; the guide seat sleeve moves above the grinding wheel (3) along with the rotation of the sharpening turntable (4), so that a cutter clamped by the cutter clamping body (11) is ground by the grinding wheel (3);
The cutter clamping body (11) is fixed in the guide seat sleeve in a plug-in manner;
The cutter clamping body (11) comprises a clamping outer sleeve (12), a sliding module (13) and a rotary cap (14), the rotary cap (14) is rotatably arranged on the outer side of the clamping outer sleeve (12), the sliding module (13) is slidably arranged on the inner side of the clamping outer sleeve, the rotary cap (14) is in transmission connection with the sliding module (13), and the cutter which is arranged in a penetrating manner is clamped in the sliding module (13); rotating the screw cap (14) to control the sliding module (13) to slide back and forth along the axis in the clamping sleeve (12) so as to drive the cutter to perform back and forth translational movement;
The number of the guide seat sleeves is 4;
The included angle between each guide seat sleeve arranged along the clockwise needle row and the knife sharpening turntable (4) is sequentially reduced.
2. The small bore gun drill sharpening machine as recited in claim 1, wherein a head end of the grip housing (12) is provided with a tool pair distance body (16), an end of the tool extending through the tool pair distance body (16).
3. The small-bore gun drill sharpening machine as recited in claim 1, wherein a stop collar (15) is provided on a side of the screw cap (14) facing the grip housing (12).
4. A small bore gun drill sharpening machine as claimed in claim 3, characterized in that the outer diameter of the stop collar (15) is larger than the inner diameter of the guide sleeve.
5. The small-bore gun drill sharpening machine as defined in claim 1, wherein the supporting table (5) is provided at a side of the holder body (2) by an openable and closable mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111667730.3A CN114310504B (en) | 2021-12-31 | 2021-12-31 | Small-aperture gun drill edge grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111667730.3A CN114310504B (en) | 2021-12-31 | 2021-12-31 | Small-aperture gun drill edge grinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114310504A CN114310504A (en) | 2022-04-12 |
| CN114310504B true CN114310504B (en) | 2024-06-28 |
Family
ID=81021563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111667730.3A Active CN114310504B (en) | 2021-12-31 | 2021-12-31 | Small-aperture gun drill edge grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114310504B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216781219U (en) * | 2021-12-31 | 2022-06-21 | 上海宁远精密机械股份有限公司 | Small-bore gun drill edge grinder |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5039415B2 (en) * | 2007-04-02 | 2012-10-03 | 良祐 細井 | Twist drill grinding equipment |
| CN101774137B (en) * | 2009-01-14 | 2011-07-20 | 南京晨光集团有限责任公司 | Numerical control drill double relief angle blade milling machine |
| CN205834924U (en) * | 2016-07-27 | 2016-12-28 | 芜湖精钻机电技术有限公司 | A kind of drill gun sharpening positioning fixture |
| CN208034281U (en) * | 2018-03-28 | 2018-11-02 | 陕西理工大学 | A kind of numerical control fluted drill forming machine tool |
-
2021
- 2021-12-31 CN CN202111667730.3A patent/CN114310504B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216781219U (en) * | 2021-12-31 | 2022-06-21 | 上海宁远精密机械股份有限公司 | Small-bore gun drill edge grinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114310504A (en) | 2022-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106825651B (en) | A kind of centering and clamping apparatus of multi-diameter shaft | |
| US3040631A (en) | Portable power-operated cutting tools | |
| US6106372A (en) | Tungsten electrode sharpener | |
| CN216781219U (en) | Small-bore gun drill edge grinder | |
| US2255541A (en) | Tool adapter | |
| CN114310504B (en) | Small-aperture gun drill edge grinder | |
| US20200078869A1 (en) | Tool Holder for Turret Lathe | |
| KR20150117182A (en) | A device for processing a key groove | |
| CN210756615U (en) | Car isolator cover fixing excircle chamfer processing equipment | |
| US2035163A (en) | Tool holder and guide | |
| KR101119920B1 (en) | A drill holder for grinding the drill | |
| CN104708500A (en) | Arc hole machining device | |
| CN211361633U (en) | Cylindrical grinding machine | |
| CN114012547A (en) | Lens focusing processing device and processing method thereof | |
| CN108705385B (en) | Twist drill sharpening device | |
| CN110802447B (en) | Bit sharpening machine capable of arbitrarily adjusting dead point size of two-bevel or three-bevel bit | |
| US6186037B1 (en) | Tube squaring machine having axially stationary cutting tool shaft and axially movable tube holding collet | |
| CN219484442U (en) | Processing device | |
| CN216098170U (en) | Well-positioned tool polishing device | |
| CN219541753U (en) | Workpiece self-rotation type machining device | |
| CN215319734U (en) | Ceramic cutting and grinding device | |
| CN215036494U (en) | Cutter clamping device for cylindrical grinding machine | |
| CN218947119U (en) | Blade grinding device | |
| CN217045997U (en) | Drill bit clamp structure of drilling machine | |
| CN217045690U (en) | Drill bit positioning device of grinding and drilling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |