CN112719387A - Manual milling cutter capable of simultaneously replacing cutting edges - Google Patents
Manual milling cutter capable of simultaneously replacing cutting edges Download PDFInfo
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- CN112719387A CN112719387A CN202110089036.1A CN202110089036A CN112719387A CN 112719387 A CN112719387 A CN 112719387A CN 202110089036 A CN202110089036 A CN 202110089036A CN 112719387 A CN112719387 A CN 112719387A
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- cavity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
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- Mechanical Engineering (AREA)
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Abstract
The invention relates to the technical field of machining tools, and discloses a milling cutter with a manually replaced cutting edge, which comprises a cutter holder, a plurality of blades, a rotating mechanism, a fixing bolt and a rotating handle, wherein the blades are uniformly distributed on the cutter holder and are polygonal, a first cavity is formed in the cutter holder, the rotating mechanism is arranged in the first cavity, a first through hole is formed in the center of the upper end of the cutter holder and communicated with the first cavity, a threaded hole is formed in the lower cavity wall of the first cavity, a plurality of uniformly distributed chip discharge grooves are formed in the end part of the cutter holder, the blades are connected to the rotating mechanism, the rotating mechanism controls the blades to rotate simultaneously, the lower part of the rotating handle can stretch up and down, the fixing bolt sequentially penetrates through the first through hole and the rotating mechanism from top to bottom to be matched with the threaded hole, the fixing bolt is assembled in the threaded hole to fix the rotating mechanism and the rotating handle and the cutter holder, the rotation of the rotation preventing structure ensures simultaneous tool changing of a plurality of blades and has high tool changing efficiency.
Description
Technical Field
The invention relates to the field of machining tools, in particular to a milling cutter with a manually replaced cutting edge.
Background
At present, milling cutters are rotary tools for milling machining having one or more cutting teeth. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently.
The patent number of the comparison document is CN109865872B, which comprises a cutter holder and blades, wherein the blades are arranged in a polygon shape with an approximate circle, each edge of the blade is a cutting edge, a plurality of mounting grooves are arranged on the cutter holder corresponding to the blades, and a locking bolt in threaded fit with the cutter holder is inserted in the middle of each blade; the blade positioning device comprises a blade, a mounting groove and a connecting rod, wherein the blade is provided with a blade, the blade is provided with a supporting groove, the supporting groove is arranged on the blade, the supporting groove is used for supporting the blade to be connected, the blade is arranged in the supporting groove, and the blade is arranged in the supporting groove.
However, the above patent has a plurality of blades, and when the blades are replaced, the blades cannot be replaced simultaneously, which results in the use of a new blade and an old blade together, which causes a low precision of the processed workpiece during processing, and if all the blades are replaced together, it takes time and effort, and the removal and replacement are troublesome.
Disclosure of Invention
The invention provides a milling cutter with a manually replaced cutting edge, which can solve the technical problem.
The invention provides the following technical scheme: a milling cutter with a cutting edge replaced manually and simultaneously comprises a cutter holder, a plurality of blades, a rotating mechanism, a fixing bolt and a rotating handle, wherein the blades are uniformly distributed on the cutter holder and are polygonal, a first cavity is formed in the cutter holder, the rotating mechanism is installed in the first cavity, a first through hole is formed in the center of the upper end of the cutter holder and communicated with the first cavity, a threaded hole is formed in the lower cavity wall of the first cavity, the threaded hole and the first through hole have the same axial lead, a plurality of chip grooves which are uniformly distributed are formed in the end part of the cutter holder, the number of the chip grooves is consistent with the number of the blades, the blades are installed on the side walls of the chip grooves, the blades are connected on the rotating mechanism, the rotating structure controls the blades to rotate simultaneously, the lower end of the rotating handle is fixedly connected to the rotating mechanism, and the lower part of the rotating handle is positioned between the inner, the upper end part of the rotating handle is positioned between the upper side of the tool apron and the upper end part of the fixing bolt, the lower part of the rotating handle can stretch out and draw back up and down, the rotating handle is made of rigid materials, the fixing bolt sequentially penetrates through the first through hole and the rotating mechanism from top to bottom to be matched with the threaded hole, and the fixing bolt is assembled in the threaded hole to fix the rotating structure and the rotating handle together with the tool apron, so that the rotating structure is prevented from rotating.
Furthermore, slewing mechanism includes central turbine and a plurality of transmission group, and a plurality of transmission group evenly distributed are in the central turbine outside, and the quantity of transmission group is unanimous with the quantity of blade, and the central turbine of transmission group is installed in first cavity, and central turbine and first cavity have same axial lead, and transmission group one end rotates with the cooperation of central turbine, and the transmission group other end is connected with the blade, and central turbine center department has seted up the second through-hole, and fixing bolt passes the second through-hole during the installation and cooperatees with the screw hole.
Furthermore, the first cavity comprises a second cavity and a plurality of third cavities, the number of the transmission sets of the third cavities is the same, the central turbine is installed in the second cavity, and the transmission sets are installed in the third cavities.
Furthermore, the transmission set comprises a worm, a first cylindrical gear and a second cylindrical gear, the first cylindrical gear is coaxial with the worm, the second cylindrical gear is matched with the first cylindrical gear to rotate, the second cylindrical gear is coaxial with the blade, and the worm, the first cylindrical gear and the second cylindrical gear are arranged in the first cavity.
Further, the handle rotates and has handle and connecting portion, connecting portion are located between fixing bolt and the first through-hole inner wall, handle fixed connection is in the connecting portion upper end, and the handle is located the blade holder upside, fixing bolt has the bolt head, the handle is located the bolt head downside, connecting portion include first connecting portion and second connecting portion, first connecting portion upper end is seted up flutedly, the tip can slide from top to bottom in first connecting portion recess under the second connecting portion, and a plurality of springs have between diapire and the second connecting portion lower extreme in the first connecting portion, the upper end at central turbine is connected to first connecting portion lower extreme, the upper end of second connecting portion is connected on hand, handle, first connecting portion and second connecting portion are made by rigid material.
Further, the handle, the first connecting portion and the second connecting portion are made of steel.
The invention has the following beneficial effects:
1. the invention provides a new technical idea, namely, a rotating mechanism is arranged to enable all blades to rotate simultaneously and simultaneously change the cutting edges.
2. The invention is provided with the central turbine and the plurality of transmission groups, the central turbine controls the plurality of transmission groups to rotate simultaneously, the transmission groups control the blades to rotate, namely the central turbine is controlled to rotate, the blades can be controlled to rotate simultaneously, the blades can be changed simultaneously, time and labor are saved, the new and old blades can not be used simultaneously, and the processing precision of workpieces is ensured.
3. The rotary mechanism and the rotary handle are fixed by the fixing bolt in a threaded connection mode, so that the rotary mechanism and the rotary handle are simple, convenient and easy to operate, and the influence on the processing process caused by the rotation of the blade when the blade is processed is prevented.
4. According to the invention, the spring is arranged in the first connecting part, the handle is positioned on the upper side of the cutter holder under the action of the spring, so that the handle is convenient to use, the second connecting part can slide up and down in the first connecting part, the bolt is convenient to fix the handle on the cutter holder, and then the central turbine is fixed, so that the central turbine is prevented from rotating when the blade works.
5. The invention has simple structure and low cost, saves time and labor when changing the cutting edge on one hand, and can keep the processing precision after changing the cutting edge on the other hand.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic perspective view of the present invention.
The reference numbers in the figures illustrate:
1. a tool apron; 11. a first through hole; 12. a threaded hole; 13. a chip groove; 2. a blade; 3. a rotating mechanism; 31. a central turbine; 32. a transmission set; 321. a worm; 322. a first cylindrical gear; 323. a second cylindrical gear; 4. fixing the bolt; 5. rotating the handle; 51. a handle; 52. a connecting portion; 521. a first connection portion; 522. a second connecting portion; 523. a spring; 6. a first cavity; 61. a second cavity; 62. a third cavity.
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.
Please refer to fig. 1-2, which is a milling cutter with a blade replaced manually, and includes a cutter holder 1, a plurality of blades 2, a rotating mechanism 3, a fixing bolt 4 and a rotating handle 5, wherein the plurality of blades 2 are uniformly distributed on the cutter holder 1, the blades 2 are polygonal, a first cavity 6 is formed in the cutter holder 1, the rotating mechanism 3 is installed in the first cavity 6, a first through hole 11 is formed in the center of the upper end of the cutter holder 1, the first through hole 11 is communicated with the first cavity 6, a threaded hole 12 is formed in the lower cavity wall of the first cavity 6, the threaded hole 12 and the first through hole 11 have the same axial lead, a plurality of uniformly distributed flutes 13 are formed at the end of the cutter holder 1, the number of the flutes 13 is the same as that of the blades, the blades 2 are installed on the side wall of the flutes 13, the plurality of blades 2 are connected to the rotating mechanism 3, rotating-structure 3 controls a plurality of blades and rotates simultaneously, 5 lower extreme fixed connection of rotation handle are on rotating-structure 3, 5 lower parts of rotation handle are located between 11 inner walls of first through-hole and the 4 outer walls of fixing bolt, 5 upper ends of rotation handle are located between 1 upside of blade holder and 4 upper ends of fixing bolt, 5 lower parts of rotation handle can stretch out and draw back from top to bottom, and rotation handle 5 is made by rigid material, fixing bolt 4 from the top down passes first through-hole 11 and rotating-structure 3 and cooperatees with screw hole 12 in proper order, fixing bolt 4 assembles rotating-structure 3 and rotation handle 5 and blade holder 1 fixed together in screw hole 12, prevent rotating-structure 3 from rotating.
Further, the rotating mechanism 3 comprises a central turbine 31 and a plurality of transmission sets 32, the transmission sets 32 are evenly distributed on the outer side of the central turbine 32, the number of the transmission sets 32 is consistent with that of the blades 2, the central turbine 31 of the transmission sets 32 is installed in the first cavity 6, the central turbine 31 and the first cavity 6 have the same axial lead, one end of the transmission sets 32 is matched with the central turbine 31 to rotate, the other end of the transmission sets 32 is connected with the blades 2, a second through hole 311 is formed in the center of the central turbine 31, a fixing bolt 4 penetrates through the second through hole 311 to be matched with the threaded hole 12 when being installed, the fixing bolt 4 is assembled in the threaded hole 12, the rotating structure 3, the rotating handle 5 and the tool apron 1 are fixed together to rotate together, and when the blades 2 work, the blades can be rotated by external force to affect processing.
Further, the first cavity 6 includes a second cavity 61 and a plurality of third cavities 62, the number of the third cavities 62 is the same as that of the transmission sets 32, the central turbine 31 is installed in the second cavity 61, and the transmission sets 32 are installed in the third cavities 62.
Further, the transmission set 32 includes a worm 321, a first cylindrical gear 322 and a second cylindrical gear 323, the first cylindrical gear 322 is coaxial with the worm 321, the second cylindrical gear 323 is matched with the first cylindrical gear 322 for rotation, the second cylindrical gear 323 is coaxial with the blade 2, and the worm 321, the first cylindrical gear 322 and the second cylindrical gear 323 are installed in the first cavity 6.
Further, the rotating handle 5 has a handle 51 and a connecting portion 52, the connecting portion 52 is located between the fixing bolt 4 and the inner wall of the first through hole 11, the handle 51 is fixedly connected to the upper end of the connecting portion 52, the handle 51 is located on the upper side of the tool holder 1, the fixing bolt 4 has a bolt head, the handle 51 is located on the lower side of the bolt head, the connecting portion 52 includes a first connecting portion 521 and a second connecting portion 522, the upper end of the first connecting portion 521 is provided with a groove, the lower end of the second connecting portion 522 is capable of sliding up and down in the groove of the first connecting portion 521, and a plurality of springs 523 are arranged between the inner bottom wall of the first connecting portion 521 and the lower end of the second connecting portion 522, the lower end of the first connecting portion 521 is connected to the upper end of the central turbine 31, the upper end of the second connecting portion 522 is connected to the handle 51, the first connecting portion, the rigidity of the connection between the handle 51 and the central turbine 31 is ensured, and the rotation of the handle 51 can control the rotation of the central turbine 31.
When the fixing bolt 4 fixes the center turbine 31 and the turning handle 5 together, the spring 523 is in a compressed state.
The working principle is as follows: when the cutting edge on one side of the blade 2 is worn and needs to be changed, firstly, the fixing bolt 4 is screwed off from the upper end of the blade holder 1, the second connecting part 522 on the rotating handle 5 moves upwards due to the spring 523 in the first connecting part 521, the handle 51 rises, the handle 51 is positioned above the blade holder 1, the handle 51 is rotated, the handle 51 drives the central turbine 31 to rotate through the connecting part 52, the central turbine 31 drives the plurality of transmission sets 32 to rotate, the plurality of transmission sets 32 drive the plurality of blades 2 to rotate, namely, the plurality of blades 2 rotate simultaneously, the purpose of simultaneously changing the cutting edge is achieved, namely, the central turbine 31 drives the worm 321 to rotate, the worm 321 drives the first cylindrical gear 322 to rotate, the first cylindrical gear 322 drives the second cylindrical gear 323 to rotate, the second cylindrical gear 323 rotates the blades to rotate, the cutting edge is changed, time and labor are saved, after the cutting edge is changed, the fixing bolt 4 only needs to be installed, namely, the fixing screw brush 4 is assembled into the threaded hole 12, and the fixing screw 4 tightly presses the handle 51 against the upper end of the tool holder 1, namely, the rotation of the central turbine 31 is fixed, namely, the rotation of the blade 2 is prevented during operation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a manual milling cutter who changes cutting edge simultaneously which characterized in that: comprises a cutter holder (1), a plurality of blades (2), a rotating mechanism (3), a fixed bolt (4) and a rotating handle (5);
the plurality of blades (2) are uniformly distributed on the cutter holder (1), and the blades (2) are polygonal;
a first cavity (6) is formed in the tool apron (1), and the rotating structure (3) is installed in the first cavity (6);
a first through hole (11) is formed in the center of the upper end of the tool apron (1), and the first through hole (11) is communicated with the first cavity (6);
a threaded hole (12) is formed in the lower cavity wall of the first cavity (6);
the first cavity (6), the threaded hole (12) and the first through hole (11) have the same axial lead;
the end part of the tool apron (1) is provided with a plurality of uniformly distributed chip grooves (13), the number of the chip grooves (13) is consistent with that of the blades, and the blades (2) are arranged on the side walls of the chip grooves (13);
the plurality of blades (2) are connected to the rotating structure (3), and the rotating structure (3) controls the plurality of blades to rotate simultaneously;
the lower end of the rotating handle (5) is fixedly connected to the rotating mechanism (3), the lower part of the rotating handle (5) is positioned between the inner wall of the first through hole (11) and the outer wall of the fixing bolt (4), the upper end part of the rotating handle (5) is positioned between the upper side of the tool apron (1) and the upper end part of the fixing bolt (4), the lower part of the rotating handle (5) can stretch up and down, and the rotating handle (5) is made of rigid materials;
the fixing bolt (4) sequentially penetrates through the first through hole (11) and the rotating mechanism (3) from top to bottom to be matched with the threaded hole (12);
the fixing bolt (4) is assembled in the threaded hole (12) to fix the rotating structure (3) and the rotating handle (5) together with the tool apron (1) so as to prevent the rotating structure (3) from rotating.
2. A manual simultaneous blade changing milling cutter according to claim 1 wherein: slewing mechanism (3) are including central turbine (31) and a plurality of transmission group (32), a plurality of transmission group (32) evenly distributed are in central turbine (32) outside, the quantity of transmission group (32) is unanimous with the quantity of blade (2), center turbine (31) of transmission group (32) are installed in first cavity (6), and center turbine (31) have same axial lead with first cavity (6), transmission group (32) one end rotates with the cooperation of center turbine (31), the transmission group (32) other end is connected with blade (2), second through-hole (311) have been seted up to center turbine (31) center department, pass second through-hole (311) and cooperate with screw hole (12) during fixing bolt (4) installation.
3. A manual simultaneous blade changing milling cutter according to claim 2 wherein: the first cavity (6) comprises a second cavity (61) and a plurality of third cavities (62), the number of the third cavities (62) is the same as that of the transmission sets (32), the central turbine (31) is installed in the second cavity (61), and the transmission sets (32) are installed in the third cavities (62).
4. A manual simultaneous blade changing milling cutter according to claim 2 wherein: the transmission set (32) comprises a worm (321), a first cylindrical gear (322) and a second cylindrical gear (323), the first cylindrical gear (322) is coaxial with the worm (321), the second cylindrical gear (323) is matched with the first cylindrical gear (322) to rotate, the second cylindrical gear (323) is coaxial with the blade (2), and the worm (321), the first cylindrical gear (322) and the second cylindrical gear (323) are installed in the first cavity (6).
5. A manual simultaneous blade changing milling cutter according to claim 1 wherein: the rotating handle (5) is provided with a handle (51) and a connecting part (52), the connecting part (52) is positioned between the fixing bolt (4) and the inner wall of the first through hole (11), the handle (51) is fixedly connected to the upper end of the connecting part (52), the handle (51) is positioned on the upper side of the tool apron (1), the fixing bolt (4) is provided with a bolt head, the handle (51) is positioned on the lower side of the bolt head, the connecting part (52) comprises a first connecting part (521) and a second connecting part (522), the upper end of the first connecting part (521) is provided with a groove, the lower end of the second connecting part (522) can slide up and down in the groove of the first connecting part (521), a plurality of springs (523) are arranged between the inner bottom wall of the first connecting part (521) and the lower end of the second connecting part (522), the lower end of the first connecting part (521) is connected to the upper end of the central turbine (31), the upper, the handle (51), the first connecting part (521) and the second connecting part (522) are made of rigid materials.
6. A manual simultaneous blade changing milling cutter according to claim 5 wherein: the handle (51), the first connecting part (521), and the second connecting part (522) are made of steel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020115759157 | 2020-12-28 | ||
| CN202011575915 | 2020-12-28 |
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| Publication Number | Publication Date |
|---|---|
| CN112719387A true CN112719387A (en) | 2021-04-30 |
| CN112719387B CN112719387B (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110089036.1A Active CN112719387B (en) | 2020-12-28 | 2021-01-22 | Manual milling cutter capable of simultaneously replacing cutting edges |
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| CN201198046Y (en) * | 2008-04-30 | 2009-02-25 | 正河源机械配件有限公司 | Milling cutter |
| CN206912322U (en) * | 2017-05-12 | 2018-01-23 | 南昌佰仕威新材料科技有限公司 | A kind of hard alloy rotatable band handle face milling cutters |
| CN208051011U (en) * | 2018-02-24 | 2018-11-06 | 平顶山平煤机煤矿机械装备有限公司 | A kind of adjustable facing cutter of blade position |
| CN208696415U (en) * | 2018-08-22 | 2019-04-05 | 云南永峰环境工程有限公司 | A kind of milling machine cutterhead |
| CN208811174U (en) * | 2018-08-08 | 2019-05-03 | 中硬金属切削(大连)有限公司 | A kind of adjustment precision type milling cutter tip |
| JP3222302U (en) * | 2018-11-23 | 2019-07-25 | 正河源機械配件有限公司Ｃｈａｉｎ−Ｈｅａｄｗａｙ Ｍａｃｈｉｎｅ Ｔｏｏｌｓ Ｃｏ．， Ｌｔｄ． | Cutting tool with adjustable insert angle |
| CN210731150U (en) * | 2019-07-11 | 2020-06-12 | 苏州天音腾达机电工程有限公司 | Milling cutter blade structure for metal processing |
| CN210848517U (en) * | 2019-09-19 | 2020-06-26 | 江苏海博工具产业研究院有限公司 | Cutting edge angle adjustable disc-shaped milling cutter |
| CN211516328U (en) * | 2019-12-02 | 2020-09-18 | 镇江新林机械有限公司 | Mechanically-clamped cyclone milling cutter |
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2021
- 2021-01-22 CN CN202110089036.1A patent/CN112719387B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1307497A (en) * | 1970-03-06 | 1973-02-21 | Deltal S A | Wormwheel hob |
| CN201198046Y (en) * | 2008-04-30 | 2009-02-25 | 正河源机械配件有限公司 | Milling cutter |
| CN206912322U (en) * | 2017-05-12 | 2018-01-23 | 南昌佰仕威新材料科技有限公司 | A kind of hard alloy rotatable band handle face milling cutters |
| CN208051011U (en) * | 2018-02-24 | 2018-11-06 | 平顶山平煤机煤矿机械装备有限公司 | A kind of adjustable facing cutter of blade position |
| CN208811174U (en) * | 2018-08-08 | 2019-05-03 | 中硬金属切削(大连)有限公司 | A kind of adjustment precision type milling cutter tip |
| CN208696415U (en) * | 2018-08-22 | 2019-04-05 | 云南永峰环境工程有限公司 | A kind of milling machine cutterhead |
| JP3222302U (en) * | 2018-11-23 | 2019-07-25 | 正河源機械配件有限公司Ｃｈａｉｎ−Ｈｅａｄｗａｙ Ｍａｃｈｉｎｅ Ｔｏｏｌｓ Ｃｏ．， Ｌｔｄ． | Cutting tool with adjustable insert angle |
| CN210731150U (en) * | 2019-07-11 | 2020-06-12 | 苏州天音腾达机电工程有限公司 | Milling cutter blade structure for metal processing |
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| CN211516328U (en) * | 2019-12-02 | 2020-09-18 | 镇江新林机械有限公司 | Mechanically-clamped cyclone milling cutter |
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| Publication number | Publication date |
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| CN112719387B (en) | 2022-03-01 |
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Effective date of registration: 20220210 Address after: 523000 Room 201, building 3, No. 3, Rongfeng street, Chang'an Town, Dongguan City, Guangdong Province Applicant after: Dongguan Lingyi Precision Metal Co.,Ltd. Address before: 313100 No.14, Jingshan natural village, Hengshan village, Heping Town, Changxing County, Huzhou City, Zhejiang Province Applicant before: Wang Xin |
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