CN112024916A - Variable angle formula rotary cutter body - Google Patents
Variable angle formula rotary cutter body Download PDFInfo
- Publication number
- CN112024916A CN112024916A CN202010997834.XA CN202010997834A CN112024916A CN 112024916 A CN112024916 A CN 112024916A CN 202010997834 A CN202010997834 A CN 202010997834A CN 112024916 A CN112024916 A CN 112024916A
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- Prior art keywords
- hole
- shaft
- shaft sleeve
- cutter body
- rotary cutter
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- 238000003754 machining Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a variable-angle rotary cutter body, which comprises a rotating shaft mechanism and a shaft sleeve mechanism which are connected with each other, wherein the rotating shaft mechanism comprises a rotating shaft, a dial and a clamping shaft which are sequentially connected, and the clamping shaft forms a connecting hole for connecting a cutter; the shaft sleeve mechanism comprises a shaft sleeve and a connecting block connected with the side wall of the shaft sleeve, and one end of the shaft sleeve, which is close to the dial, protrudes outwards to form a disc; a through hole is formed in the middle of the shaft sleeve, and the rotating shaft is arranged in the through hole. The invention provides a variable-angle rotary cutter body suitable for turning large-lead spiral grooves with different helix angles, which can realize rotation at any angle through the matching of a rotating shaft mechanism and a shaft sleeve mechanism, and simultaneously ensures that the center height of the cutter is unchanged after rotation, so that the cutter body can be matched with the processing of the large-lead spiral grooves with different helix angles, thereby ensuring the angle size of the spiral grooves and improving the processing quality and the processing efficiency of the spiral grooves.
Description
Technical Field
The invention belongs to the field of machining tools, and particularly relates to a variable-angle type rotary tool body.
Background
The special cutter body and the machining cutter are needed for machining the large-lead spiral groove, and the cutter body needs to be rotated to the angle which is the same as the helix angle during machining so as to be matched with machining of the spiral groove. With the increasing demand of scientific research and processing, spiral grooves with different helix angles need to be processed. The angle of the original processing cutter body is fixed, only the processing of several kinds of fixed helix angle spiral grooves can be met, the angle can not be changed randomly, and the processing requirements of helix angle spiral grooves with different angles can not be met.
Disclosure of Invention
The invention aims to overcome the defect that the angle of a cutter body to be processed cannot be changed randomly in the prior art, and the invention aims to provide a variable-angle type rotary cutter body.
The invention is realized by the following technical scheme:
a variable angle rotary cutter body comprises a rotary shaft mechanism and a shaft sleeve mechanism which are connected with each other,
the rotating shaft mechanism comprises a rotating shaft, a dial and a clamping shaft which are sequentially connected, and the clamping shaft forms a connecting hole for connecting a cutter;
the shaft sleeve mechanism comprises a shaft sleeve and a connecting block connected with the side wall of the shaft sleeve, and one end of the shaft sleeve, which is close to the dial, protrudes outwards to form a disc; a through hole is formed in the middle of the shaft sleeve, and the rotating shaft is arranged in the through hole.
In the technical scheme, the rotating shaft is cylindrical, the outer circumference of the free end forms an external thread, and the rotating shaft and the shaft sleeve are axially fixed through the matching of the nut and the No. I gasket.
In the above technical solution, the rotation shaft and the dial are coaxially disposed.
In the technical scheme, the clamping shaft is square, at least one jackscrew hole is formed in any two adjacent side walls of the clamping shaft, and the jackscrew hole is communicated with the connecting hole; the jackscrew passes through the jackscrew hole and fixedly connects the cutter with the clamping shaft.
In the above technical scheme, the connection hole is a square hole.
In the technical scheme, the intersection line of the top surface of the connecting hole and the opposite surfaces of the two side walls of the clamping shaft is collinear with the axis of the rotating shaft.
In the technical scheme, the shaft sleeve is square, a side groove is formed in the side wall of the shaft sleeve, at least one fastening hole perpendicular to the top surface is formed in the top of the shaft sleeve, and the fastening hole is communicated with the side groove.
In the above technical scheme, the side groove is a through groove and is communicated with the through hole in the middle of the shaft sleeve.
In the technical scheme, the fastening hole is divided by the side groove, the upper end of the fastening hole is a unthreaded hole, the lower end of the fastening hole is a threaded hole, and the radial fixation of the rotating shaft is realized through the matching of a screw and a No. II gasket.
In the technical scheme, the connecting block is square and is arranged on a tool turret of a machine tool, and the bottom surface of the connecting block is coplanar with the bottom surface of the shaft sleeve.
The invention has the beneficial effects that:
the invention provides a variable-angle rotary cutter body suitable for turning large-lead spiral grooves with different helix angles, which can realize rotation at any angle through the matching of a rotating shaft mechanism and a shaft sleeve mechanism, and simultaneously ensures that the center height of the cutter is unchanged after rotation, so that the cutter body can be matched with the processing of the large-lead spiral grooves with different helix angles, thereby ensuring the angle size of the spiral grooves and improving the processing quality and the processing efficiency of the spiral grooves.
Drawings
FIG. 1 is a schematic structural diagram of a variable angle rotary cutter body according to the present invention;
FIG. 2 is a front view of the variable angle rotary cutter body of the present invention;
fig. 3 is a sectional view of the variable angle rotary cutter body of the present invention.
Wherein:
1 rotating shaft mechanism
11 rotating shaft 12 dial
13 clamping shaft 14 connecting hole
15 external thread 16 jackscrew hole
2 axle sleeve mechanism
21 shaft sleeve 22 connecting block
23 disc 24 side groove
25 fastening hole
No. 4I washer of 3 nut
No. 5 screw 6 II spacer
7-top thread.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions of the variable angle rotary cutter body of the present invention are further described below by referring to the drawings of the specification and the specific embodiments.
Example 1
As shown in fig. 1 to 3, a variable angle rotary cutter includes a rotary shaft mechanism 1 and a shaft sleeve mechanism 2.
The rotating shaft mechanism 1 comprises a rotating shaft 11, a dial 12 and a clamping shaft 13 which are connected in sequence.
The rotation axis 11 is cylindrical, and the outer circumference of free end forms external screw thread 15, and realizes rotation axis mechanism 1 and axle sleeve mechanism 2's axial fixity through the cooperation of nut 3 and No. I gasket 4.
The dial 12 is provided with an angle and can rotate the cutter body to any angle by matching with the disc 23; the rotary shaft 11 and the dial 12 are coaxially disposed.
The clamping shaft 13 is in a cuboid shape, a connecting hole 14 for connecting a cutter is formed along the axial direction, at least one jackscrew hole 16 is formed in any two adjacent side walls of the clamping shaft, and the jackscrew hole 16 is communicated with the connecting hole 14; the jackscrew 7 passes through the jackscrew hole 16 to fixedly connect a cutter (not shown) with the clamping shaft 13.
The connecting hole 14 is a square hole, and the size of the connecting hole is slightly larger than that of the cutter. The connecting holes 14 are respectively deviated to the side wall forming the jackscrew hole 16 by a certain size (1 mm in the embodiment), so that the smooth clamping and positioning of the cutter are ensured, and the height of the center of the clamped cutter body is ensured to be unchanged (the height from the top surface of the connecting hole 14 to the bottom surface of the cutter body is ensured to be 20cm in the embodiment); namely, the intersection line of the top surface of the connecting hole 14 and the opposite surfaces of the two side walls of the clamping shaft 13 is collinear with the axis of the rotating shaft 11, so that the cutter point of the cutter is always taken as the axis after the rotating shaft rotates at any angle, and the central height is ensured to be unchanged after the rotating shaft rotates.
The shaft sleeve mechanism 2 comprises a shaft sleeve 21, a connecting block 22 vertically connected with the side wall of the shaft sleeve 21 and a disc 23 arranged on the end face of the shaft sleeve 21 close to one end of the dial 12.
The shaft sleeve 21 is square, a through hole arranged along the axial direction is formed in the middle of the shaft sleeve, a side groove 24 is formed in the side wall of the shaft sleeve, and at least one fastening hole 25 vertical to the top surface is formed in the top of the shaft sleeve; the side grooves 24 are through grooves and are communicated with the through holes, and the side grooves 24 facilitate the assembly and disassembly of the rotating shaft mechanism. The fastening holes 25 are communicated with the side grooves 24, the upper ends of the fastening through holes 25 with the side grooves 24 as boundaries are unthreaded holes, the lower ends of the fastening through holes are threaded holes, radial fixation of the rotating shaft 11 is achieved through the matching of the screws 5 and the II-type gasket 6, and the rotating shaft 11 can be ensured to be kept unchanged in angle after rotating for a certain angle.
The connecting block 22 is square and is arranged on a tool turret of a machine tool, and the bottom surface of the connecting block is coplanar with the bottom surface of the shaft sleeve 21, so that the height of the center of the cutter is ensured to be unchanged.
The disc 23 and the shaft sleeve 21 are coaxially arranged, a through hole arranged along the axial direction is formed in the middle of the disc 23 and the shaft sleeve 21, the disc 23 and the through hole are mutually communicated and coaxial, the sizes of the two through holes are the same, the disc 23 and the shaft sleeve 21 are matched with the outer diameter of the rotating shaft 11, and the matching tolerance is required to be less than 0.02 mm. The quadrant dot-dash line of the end surface of the disc 23 is matched with the dial disc to rotate by a corresponding angle. The lateral grooves 24 extend through the disc 23.
The assembly method of the invention comprises the following steps:
the cutting tool (not shown) is arranged in the connecting hole of the clamping shaft and is tightly pressed by a jackscrew to finish the clamping of the tool, the rotating shaft is arranged in the through hole of the shaft sleeve, the rotating shaft can rotate at any angle by matching the dial of the rotating shaft mechanism with the scale marks of the disc of the shaft sleeve mechanism, the tail end of the rotating shaft axially fixes the rotating shaft in the shaft sleeve through the nut and the gasket, the rotating shaft is radially locked on the shaft sleeve through the screw and the gasket, the complete fixation after the rotating shaft rotates by the angle is finished, and the cutting processing of the large-lead thread grooves with different helix angles can be.
The specific assembly method in connection with example 1 is:
(1) the threaded end of the rotating shaft 11 penetrates through the through hole of the disc 23 and is sleeved into the through hole of the shaft sleeve 21;
(2) the rotating shaft mechanism is rotated to a required processing angle through the cooperation of the dial 12 and the disc 23;
(3) filling a No. I gasket 4 and a nut 3, axially fixing the rotating shaft 11, simultaneously filling a No. II gasket 6, respectively filling screws 5 into fastening holes 25 in the top surface of the shaft sleeve 3 and locking to complete radial fixation of the rotating shaft 11;
(4) the processing cutter is arranged in the square connecting hole 14 of the clamping shaft 13, and the four jackscrews 7 are respectively locked to finish the fixed installation of the processing cutter;
(5) the connecting block 22 is arranged in a tool turret of a machine tool, so that the whole device can be assembled and fixed, and the cutting machining of the large-lead spiral grooves with different angles can be completed.
The invention provides a variable-angle rotary cutter body suitable for turning large-lead spiral grooves with different helix angles, which can realize rotation at any angle through the matching of a rotating shaft mechanism and a shaft sleeve mechanism, and simultaneously ensures that the center height of the cutter is unchanged after rotation, so that the cutter body can be matched with the processing of the large-lead spiral grooves with different helix angles, thereby ensuring the angle size of the spiral grooves and improving the processing quality and the processing efficiency of the spiral grooves.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The applicant declares that the above description is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and it should be understood by those skilled in the art that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are within the scope and disclosure of the present invention.
Claims (10)
1. The utility model provides a variable angle formula rotary cutter body which characterized in that: comprises a rotating shaft mechanism (1) and a shaft sleeve mechanism (2) which are connected with each other,
the rotary shaft mechanism (1) comprises a rotary shaft (11), a dial (12) and a clamping shaft (13) which are sequentially connected, and the clamping shaft (13) forms a connecting hole (14) for connecting a cutter;
the shaft sleeve mechanism (2) comprises a shaft sleeve (21) and a connecting block (22) connected with the side wall of the shaft sleeve (21), and one end, close to the dial (12), of the shaft sleeve (21) protrudes outwards to form a disc (23); the middle of the shaft sleeve (21) is provided with a through hole, and the rotating shaft (11) is arranged in the through hole.
2. The variable angle rotary cutter body of claim 1, wherein: rotation axis (11) are cylindrical, and the outer circumference of free end forms external screw thread (15), and realizes rotation axis (11) and axle sleeve (21)'s axial fixity through nut (3) and No. I gasket (4) cooperation.
3. The variable angle rotary cutter body of claim 1, wherein: the rotating shaft (11) and the dial (12) are coaxially arranged.
4. The variable angle rotary cutter body of claim 1, wherein: the clamping shaft (13) is square, at least one jackscrew hole (16) is formed in any two adjacent side walls of the clamping shaft, and the jackscrew hole (16) is communicated with the connecting hole (14); the jackscrew (7) passes through the jackscrew hole (16) to fixedly connect the cutter with the clamping shaft (13).
5. The variable angle rotary cutter body of claim 1, wherein: the connecting hole (14) is a square hole.
6. The variable angle rotary cutter body of claim 5, wherein: the intersecting line of the top surface of the connecting hole (14) and the opposite surfaces of the two side walls of the clamping shaft (13) is collinear with the axis of the rotating shaft (11).
7. The variable angle rotary cutter body of claim 1, wherein: the shaft sleeve (21) is square, a side groove (24) is formed in the side wall of the shaft sleeve, at least one fastening hole (25) perpendicular to the top surface is formed in the top of the shaft sleeve, and the fastening hole (25) is communicated with the side groove (24).
8. The variable angle rotary cutter body of claim 7, wherein: the side surface groove (24) is a through groove and is communicated with a through hole in the middle of the shaft sleeve (21).
9. The variable angle rotary cutter body of claim 7, wherein: the fastening hole (25) is divided by a side groove (24), the upper end of the fastening hole is a unthreaded hole, the lower end of the fastening hole is a threaded hole, and the fastening hole is matched with a No. II gasket (6) to realize radial fixation of the rotating shaft (11).
10. The variable angle rotary cutter body of claim 1, wherein: the connecting block (22) is square and is arranged on a tool turret of a machine tool, and the bottom surface of the connecting block is coplanar with the bottom surface of the shaft sleeve (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010997834.XA CN112024916A (en) | 2020-09-21 | 2020-09-21 | Variable angle formula rotary cutter body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010997834.XA CN112024916A (en) | 2020-09-21 | 2020-09-21 | Variable angle formula rotary cutter body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112024916A true CN112024916A (en) | 2020-12-04 |
Family
ID=73574740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010997834.XA Pending CN112024916A (en) | 2020-09-21 | 2020-09-21 | Variable angle formula rotary cutter body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112024916A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548133A (en) * | 2020-12-10 | 2021-03-26 | 天津汉工科技有限公司 | Large helix angle indexable turning tool bar |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5030042A (en) * | 1989-07-04 | 1991-07-09 | Fuji Seiko Limited | Machining apparatus having means for changing radial position of cutting tools |
| JPH06226510A (en) * | 1993-01-27 | 1994-08-16 | Murata Mach Ltd | Variable angle rotary tool for lathe |
| CN2635259Y (en) * | 2003-08-28 | 2004-08-25 | 湖北华强科技有限责任公司 | Flexible side surface shaping lathe tool rod |
| CN201618862U (en) * | 2010-01-27 | 2010-11-03 | 陈福良 | Invertible spring knife row |
| CN103639451A (en) * | 2013-12-06 | 2014-03-19 | 江阴塞特精密工具有限公司 | Safe turning tool |
| CN203664720U (en) * | 2014-01-10 | 2014-06-25 | 隆英（上海）企业有限公司 | Tool apron special for clamping long tool bar |
| CN203900516U (en) * | 2014-05-08 | 2014-10-29 | 成都飞机工业（集团）有限责任公司 | Mechanical clamping rotating graduation lathe tool |
| CN206966670U (en) * | 2017-04-27 | 2018-02-06 | 洛阳Lyc轴承有限公司 | A kind of cutter for processing bearing face circular groove |
| CN109175420A (en) * | 2018-09-07 | 2019-01-11 | 上海新山田精密刀具有限公司 | A kind of adjustable lathe tool of tool cutting edge angle degree |
| CN208483238U (en) * | 2018-07-04 | 2019-02-12 | 大连职业技术学院 | Spring angle adjustable mechanically-clamped turning tool |
| CN109550985A (en) * | 2017-09-26 | 2019-04-02 | 中国电子科技集团公司第四十八研究所 | A kind of turning cutting tool suitable for processing large-lead screw |
| CN211248347U (en) * | 2019-11-08 | 2020-08-14 | 同方江新造船有限公司 | Engineering ship shafting round chamfer processing device |
| CN212329672U (en) * | 2020-09-21 | 2021-01-12 | 中核(天津)科技发展有限公司 | Variable angle formula rotary cutter body |
-
2020
- 2020-09-21 CN CN202010997834.XA patent/CN112024916A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5030042A (en) * | 1989-07-04 | 1991-07-09 | Fuji Seiko Limited | Machining apparatus having means for changing radial position of cutting tools |
| JPH06226510A (en) * | 1993-01-27 | 1994-08-16 | Murata Mach Ltd | Variable angle rotary tool for lathe |
| CN2635259Y (en) * | 2003-08-28 | 2004-08-25 | 湖北华强科技有限责任公司 | Flexible side surface shaping lathe tool rod |
| CN201618862U (en) * | 2010-01-27 | 2010-11-03 | 陈福良 | Invertible spring knife row |
| CN103639451A (en) * | 2013-12-06 | 2014-03-19 | 江阴塞特精密工具有限公司 | Safe turning tool |
| CN203664720U (en) * | 2014-01-10 | 2014-06-25 | 隆英（上海）企业有限公司 | Tool apron special for clamping long tool bar |
| CN203900516U (en) * | 2014-05-08 | 2014-10-29 | 成都飞机工业（集团）有限责任公司 | Mechanical clamping rotating graduation lathe tool |
| CN206966670U (en) * | 2017-04-27 | 2018-02-06 | 洛阳Lyc轴承有限公司 | A kind of cutter for processing bearing face circular groove |
| CN109550985A (en) * | 2017-09-26 | 2019-04-02 | 中国电子科技集团公司第四十八研究所 | A kind of turning cutting tool suitable for processing large-lead screw |
| CN208483238U (en) * | 2018-07-04 | 2019-02-12 | 大连职业技术学院 | Spring angle adjustable mechanically-clamped turning tool |
| CN109175420A (en) * | 2018-09-07 | 2019-01-11 | 上海新山田精密刀具有限公司 | A kind of adjustable lathe tool of tool cutting edge angle degree |
| CN211248347U (en) * | 2019-11-08 | 2020-08-14 | 同方江新造船有限公司 | Engineering ship shafting round chamfer processing device |
| CN212329672U (en) * | 2020-09-21 | 2021-01-12 | 中核(天津)科技发展有限公司 | Variable angle formula rotary cutter body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548133A (en) * | 2020-12-10 | 2021-03-26 | 天津汉工科技有限公司 | Large helix angle indexable turning tool bar |
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