CN112620759A - Milling cutter capable of synchronously replacing cutting edges - Google Patents
Milling cutter capable of synchronously replacing cutting edges Download PDFInfo
- Publication number
- CN112620759A CN112620759A CN202011575698.1A CN202011575698A CN112620759A CN 112620759 A CN112620759 A CN 112620759A CN 202011575698 A CN202011575698 A CN 202011575698A CN 112620759 A CN112620759 A CN 112620759A
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- CN
- China
- Prior art keywords
- blade
- ratchet
- groove
- cutting edges
- milling cutter
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/08—Disc-type cutters
-
- 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
Abstract
The invention relates to the technical field of machining tools, in particular to a milling cutter capable of synchronously replacing cutting edges, which comprises a cutter holder and at least one blade; the cutter holder is provided with at least one mounting groove, the blades are mounted on the side wall of the mounting groove, and the number of the blades is consistent with that of the mounting grooves; the blade is designed in a regular polygon shape, each edge of the blade is a cutting edge, an annular groove is formed in the blade, the circle center of the annular groove is overlapped with the centers of regular polygon rows, at least one ratchet groove is formed in the annular groove, and the number of the ratchet grooves is consistent with that of the regular polygon edges; the invention effectively prevents one or more of a plurality of blades from being missed to be replaced, effectively prevents the worn cutting edge from being replaced on the cutter holder again, and improves the processing precision of the machine tool when processing workpieces.
Description
Technical Field
The invention relates to the technical field of machining tools, in particular to a milling cutter capable of synchronously replacing cutting edges.
Background
A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine.
The cutting edge is very easy to wear and tear when cutting, needs often to change the cutting edge, and patent number is: CN201910309695.4, name: in the technology of a milling cutter, the number of the cutting edges of the milling cutter is large, the service life of a blade is prolonged, but the worn cutting edges have no marks, the worn cutting edges are easily replaced by new cutting edges during cutter changing, and when the unworn cutting edges and the worn cutting edges are used simultaneously, the machining precision of a milling machine is low during cutting, and the cutting effect of the milling machine is influenced. In addition, in the patent, the number of the blades is multiple, the blades of one or more of the blades are easy to replace in the blade replacement process, if one of the blades is replaced, the blades of the rest blades are new blades, and the blades of the replaced blades are worn blades, so that the cutting precision is not high, and the cutting effect is affected.
Disclosure of Invention
1. Technical problem to be solved
The purpose of the invention is: the milling cutter capable of synchronously replacing the cutting edges can effectively prevent any one of a plurality of blades from missing the worn cutting edges, effectively prevent the worn cutting edges from being replaced on the cutter holder again, and improve the machining precision of a machine tool.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A milling cutter capable of synchronously replacing cutting edges comprises a cutter seat and at least one blade;
the cutter holder is provided with at least one mounting groove, the blades are mounted on the side wall of the mounting groove, and the number of the blades is consistent with that of the mounting grooves; the blade is designed in a regular polygon shape, each edge of the blade is a cutting edge, an annular groove is formed in the blade, the circle center of the annular groove is overlapped with the centers of regular polygon rows, at least one ratchet groove is formed in the annular groove, and the number of the ratchet grooves is consistent with that of the regular polygon edges; and a pawl mechanism is rotatably connected to the wall of the mounting groove and is matched with the ratchet groove for enabling the blade to rotate on the side wall of the mounting groove in a single direction.
Furthermore, the pawl mechanism comprises a first shaft and a pawl wheel, the first shaft is fixedly installed on the side wall of the installation groove, the pawl wheel is rotationally connected with the first shaft, a flange is arranged on the pawl wheel and matched with a corresponding ratchet groove, and the flange is meshed with the ratchet groove to enable the blade to rotate on the side wall of the installation groove in a single direction.
The pawl mechanism comprises a second shaft, a pawl protrusion, a spring piece and a fixed block; the second shaft is fixedly arranged on the side wall of the mounting groove, the spine projection is rotationally connected with the second shaft, one end of the spring piece is fixedly connected with the middle part of the spine projection, the other end of the spring piece is fixedly connected with the fixing block, the fixing block is fixedly arranged on the side wall of the mounting groove, the spine projection is matched with the corresponding ratchet groove, and the spine projection is meshed with the ratchet groove to enable the blade to rotate on the side wall of the mounting groove in a single direction.
Further, the number of the blades is 8.
Further, the number of the cutting edges of the blade is 12.
Furthermore, at least one mounting hole is uniformly formed in the blade by taking the center of the polygon as the circle center, at least one threaded hole matched with the mounting hole is uniformly formed in the wall of the mounting groove, the number of the mounting holes is consistent with that of the threaded holes, and the blade is mounted in the mounting groove through at least one bolt.
Furthermore, each cutting edge of the blade is provided with a serial number code.
Further, each cutting edge of the blade is provided with an identifier for distinguishing whether the cutting edge is worn or not.
Further, the indicator for distinguishing whether the cutting edge is worn may be a color indicator painted at an upper limit of the cutting edge wear.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
a novel technical idea of the milling cutter capable of synchronously replacing the cutting edges is provided.
The invention effectively prevents one or more of the plurality of blades from being replaced, and improves the machining precision of the machine tool when machining the workpiece.
The invention effectively prevents the worn cutting edge from being replaced on the cutter holder, and improves the processing precision of the machine tool when processing the workpiece.
The invention has simple structure, convenient use, easy installation and convenient operation.
Drawings
FIG. 1 is a schematic perspective view of embodiment 1 of the present invention;
FIG. 2 is a sectional view showing a front view of embodiment 1 of the present invention;
FIG. 3 is a schematic view of the structure of the blade and pawl mechanism of embodiment 1 of the present invention;
FIG. 4 is a schematic structural view of a detent mechanism according to embodiment 1 of the present invention;
FIG. 5 is a sectional view showing a front view of embodiment 2 of the present invention;
FIG. 6 is a schematic structural view of a blade of embodiment 2 of the present invention;
fig. 7 is a schematic structural view of a detent mechanism according to embodiment 2 of the present invention.
The reference numbers in the figures illustrate:
1. a tool apron; 11. a pawl mechanism; 11a, a first shaft; 11b, a ratchet wheel; 11c, a flange; 111. a first shaft; 112. a spine is convex; 113. a spring plate; 114. a fixed block; 13. mounting grooves; 2. a blade; 21. a ratchet groove.
Detailed Description
Example 1:
as shown in fig. 1-4, a milling cutter with simultaneous chip edge replacement, a holder 1 and at least one insert 2; the tool apron 1 is provided with at least one mounting groove 13, the blades 2 are mounted on the side wall of the mounting groove 13, and the number of the blades 2 is consistent with that of the mounting grooves 13; the blade 2 is designed in a regular polygon shape, each edge of the blade 2 is a cutting edge, an annular groove is formed in the blade 2, the circle center of the annular groove is overlapped with the centers of regular polygon rows, at least one ratchet groove 21 is formed in the annular groove, and the number of the ratchet grooves 21 is consistent with the number of the regular polygon edges; the wall of the mounting groove 13 is rotatably connected with a pawl mechanism 11, and the pawl mechanism 11 is matched with the ratchet groove 21 and used for enabling the blade 2 to rotate on the side wall of the mounting groove 13 in a single direction.
In this embodiment, the tool holder 1 is provided with 8 mounting grooves 13, and the number of the blades is 8.
The number of cutting edges of the insert 2 is for example 12.
As shown in fig. 3-4, the detent mechanism 11 includes a first shaft 11a and a detent wheel 11b, the first shaft 11a is fixedly installed on the sidewall of the mounting groove 13, the detent wheel 11b is rotatably connected with the first shaft 11a, a flange 11c is provided on the detent wheel 11b, the flange 11c matches with a corresponding detent groove 21a, and the flange 11c is meshed with the detent groove 21a to enable the blade 2 to rotate unidirectionally on the sidewall of the mounting groove 13.
Effectively preventing the worn cutting edge of the insert 2 from being replaced again as an unworn cutting edge on the insert seat 1 to continue working.
The blade 2 is uniformly provided with at least one mounting hole 22 by taking the center of the polygon as the center of a circle, the groove wall of the mounting groove 13 is uniformly provided with at least one threaded hole 13 matched with the mounting hole 22, the number of the mounting holes 22 is consistent with that of the threaded holes 13, and the blade 2 is mounted in the mounting groove 13 through at least one bolt. The cutting edge need only be rotated one mounting hole per chip change.
Each cutting edge of the blade 2 is provided with a serial number code. The serial number codes on the worn cutting edges disappear along with the worn cutting edges, and the unused cutting edge serial number codes exist, so that the condition that one or more blades in a plurality of blades are missed to replace can be effectively prevented.
Each cutting edge of the insert 2 is provided with an indicator for distinguishing cutting edge wear, and the indicator for distinguishing whether a cutting edge is worn may be a color indicator painted at an upper limit of cutting edge wear. When the color mark disappears, the cutting edge is worn, and in order to improve the precision, the cutting edge is replaced in time when the cutting edge is worn to the upper limit, so that the processing precision of the processed workpiece on the machine tool is effectively ensured.
Example 2:
the difference from example 1 is:
as shown in fig. 5 to 7, the click mechanism 11 includes a second shaft 111, a click projection 112, a spring plate 113, and a fixing block 114; the second shaft 111 is fixedly arranged on the side wall of the mounting groove 13, the ratchet protrusion 112 is rotatably connected with the second shaft 111, one end of the spring plate 113 is fixedly connected with the middle part of the ratchet protrusion 112, the other end of the spring plate 113 is fixedly connected with the fixing block 114, the fixing block 114 is fixedly arranged on the side wall of the mounting groove 13, the ratchet protrusion 112 is correspondingly matched with the corresponding ratchet groove 21, and the ratchet protrusion 112 is meshed with the ratchet groove 21 to enable the blade 2 to rotate on the side wall of the mounting groove 13 in a single direction. Effectively preventing the worn cutting edge of the insert 2 from being replaced again as an unworn cutting edge on the insert seat 1 to continue working.
Example 3:
the difference from example 1 is:
each cutting edge of the insert 2 is provided with an indicator for distinguishing the wear of the cutting edge, and the indicator for distinguishing whether the cutting edge is worn or not can be that a wear grade line is arranged on the cutting edge, and the grade of the worn chip edge wear can be clearly seen.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (8)
1. A milling cutter capable of synchronously replacing cutting edges is characterized in that: comprises a tool apron (1) and at least one blade (2);
the tool apron (1) is provided with at least one mounting groove (13), the blades (2) are mounted on the side wall of the mounting groove (13), and the number of the blades (2) is consistent with that of the mounting grooves (13);
the blade (2) is designed to be a regular polygon, each edge of the blade (2) is a cutting edge, an annular groove is formed in the blade (2), the circle center of the annular groove is overlapped with the center of a regular polygon, at least one ratchet groove (21) is formed in the annular groove, and the number of the ratchet grooves (21) is consistent with the number of the sides of the regular polygon;
the wall of the mounting groove (13) is rotatably connected with a pawl mechanism (11), and the pawl mechanism (11) is matched with the ratchet groove (21) and used for enabling the blade (2) to rotate on the side wall of the mounting groove (13) in a single direction.
2. A milling cutter with synchronously replaceable cutting edges according to claim 1, characterized in that: the ratchet mechanism (11) comprises a first shaft (11 a) and a ratchet wheel (11 b), the first shaft (11 a) is fixedly installed on the side wall of the installation groove (13), the ratchet wheel (11 b) is rotationally connected with the first shaft (11 a), a flange (11 c) is arranged on the ratchet wheel (11 b), the flange (11 c) is matched with a corresponding ratchet groove (21), and the flange (11 c) is meshed with the ratchet groove (21) to enable the blade (2) to rotate on the side wall of the installation groove (13) in a single direction.
3. A milling cutter with synchronously replaceable cutting edges according to claim 1, characterized in that: the pawl mechanism (11) comprises a second shaft (111), a ratchet protrusion (112), a spring piece (113) and a fixed block (114); the second shaft (111) is fixedly installed on the side wall of the installation groove (13), the ratchet protrusions (112) are rotatably connected with the second shaft (111), one end of each spring piece (113) is fixedly connected with the middle of the corresponding ratchet protrusion (112), the other end of each spring piece (113) is fixedly connected with the corresponding fixing block (114), the fixing blocks (114) are fixedly installed on the side wall of the installation groove (13), the ratchet protrusions (112) are correspondingly matched with the corresponding ratchet grooves (21), and the ratchet protrusions (112) are meshed with the ratchet grooves (21) to enable the blades (2) to rotate on the side wall of the installation groove (13) in a single direction.
4. A milling cutter with synchronously replaceable cutting edges according to claim 1, characterized in that: the number of the blades is 8.
5. A milling cutter with synchronously replaceable cutting edges according to claim 1, characterized in that: the number of cutting edges of the blade (2) is 12.
6. A milling cutter with synchronously replaceable cutting edges according to claim 1, characterized in that: the novel blade is characterized in that at least one mounting hole (22) is uniformly formed in the blade (2) by taking the center of a polygon as the circle center, at least one threaded hole (13) matched with the mounting hole (22) uniformly begins to be formed in the wall of the mounting groove (13), the number of the mounting holes (22) is consistent with that of the threaded holes (13), and the blade (2) is mounted in the mounting groove (13) through at least one bolt.
7. A milling cutter with synchronously replaceable cutting edges according to claim 1, characterized in that: each cutting edge of the blade (2) is provided with a serial number code.
8. A milling cutter with synchronously replaceable cutting edges according to claim 1, characterized in that: each cutting edge of the blade (2) is provided with a mark for distinguishing the abrasion of the cutting edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011575698.1A CN112620759B (en) | 2020-12-28 | 2020-12-28 | Milling cutter capable of synchronously replacing cutting edges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011575698.1A CN112620759B (en) | 2020-12-28 | 2020-12-28 | Milling cutter capable of synchronously replacing cutting edges |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112620759A true CN112620759A (en) | 2021-04-09 |
| CN112620759B CN112620759B (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011575698.1A Active CN112620759B (en) | 2020-12-28 | 2020-12-28 | Milling cutter capable of synchronously replacing cutting edges |
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| Country | Link |
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| CN (1) | CN112620759B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59156646A (en) * | 1983-02-21 | 1984-09-05 | Naigai Denki Kogyo Kk | Cutting and exhaust device for metal swarf |
| SE514590C2 (en) * | 1997-10-15 | 2001-03-19 | Sandvik Ab | Milling tool |
| RU2176176C2 (en) * | 2000-01-05 | 2001-11-27 | Открытое акционерное общество "Тульский оружейный завод" | Method of drilling deep openings of small diameter, and bladed drill of one-way cutting |
| WO2002076661A1 (en) * | 2001-03-22 | 2002-10-03 | Johne + Co. Präzisionswerkzeuge Gmbh | Tool and tool arrangement |
| US20020168235A1 (en) * | 2001-05-14 | 2002-11-14 | Ingersoll Cutting Tool Company | Cutting tool with improved insert seat arrangement for indexable cutting inserts |
| CN1665638A (en) * | 2002-06-28 | 2005-09-07 | 曼德尔有限公司 | Method for indexing a rotating tool and a tool for machining |
| CN102825320A (en) * | 2012-09-14 | 2012-12-19 | 常熟天地煤机装备有限公司 | Strongly connected disc milling cutter dedicated to guide shoes of coal mining machines |
| CN106077782A (en) * | 2016-06-29 | 2016-11-09 | 国营芜湖机械厂 | A kind of ratchet structure Integral milling cutter for composite processing |
| CN208067412U (en) * | 2018-01-15 | 2018-11-09 | 天津新丰正田机械制造有限公司 | A kind of cutter blade fixing device of boring and milling device |
| 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 |
-
2020
- 2020-12-28 CN CN202011575698.1A patent/CN112620759B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59156646A (en) * | 1983-02-21 | 1984-09-05 | Naigai Denki Kogyo Kk | Cutting and exhaust device for metal swarf |
| SE514590C2 (en) * | 1997-10-15 | 2001-03-19 | Sandvik Ab | Milling tool |
| RU2176176C2 (en) * | 2000-01-05 | 2001-11-27 | Открытое акционерное общество "Тульский оружейный завод" | Method of drilling deep openings of small diameter, and bladed drill of one-way cutting |
| WO2002076661A1 (en) * | 2001-03-22 | 2002-10-03 | Johne + Co. Präzisionswerkzeuge Gmbh | Tool and tool arrangement |
| US20020168235A1 (en) * | 2001-05-14 | 2002-11-14 | Ingersoll Cutting Tool Company | Cutting tool with improved insert seat arrangement for indexable cutting inserts |
| CN1665638A (en) * | 2002-06-28 | 2005-09-07 | 曼德尔有限公司 | Method for indexing a rotating tool and a tool for machining |
| CN102825320A (en) * | 2012-09-14 | 2012-12-19 | 常熟天地煤机装备有限公司 | Strongly connected disc milling cutter dedicated to guide shoes of coal mining machines |
| CN106077782A (en) * | 2016-06-29 | 2016-11-09 | 国营芜湖机械厂 | A kind of ratchet structure Integral milling cutter for composite processing |
| CN208067412U (en) * | 2018-01-15 | 2018-11-09 | 天津新丰正田机械制造有限公司 | A kind of cutter blade fixing device of boring and milling device |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112620759B (en) | 2022-02-22 |
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220120 Address after: 515000 Houpu Pian, Dutou Industrial Zone, Shanghua Town, Chenghai District, Shantou City, Guangdong Province Applicant after: SHANTOU CITY GOLDS PRECISION TECHNOLOGY Co.,Ltd. Address before: Room 1501, unit 2, building 10, No.498, Kashi East Road, Xinshi District, Urumqi, Xinjiang Uygur Autonomous Region 830011 Applicant before: Xu Shaohua |
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| GR01 | Patent grant |