CN111136311A - Connecting rod milling cutter and connecting rod milling cutter assembly - Google Patents
Connecting rod milling cutter and connecting rod milling cutter assembly Download PDFInfo
- Publication number
- CN111136311A CN111136311A CN202010107835.2A CN202010107835A CN111136311A CN 111136311 A CN111136311 A CN 111136311A CN 202010107835 A CN202010107835 A CN 202010107835A CN 111136311 A CN111136311 A CN 111136311A
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- China
- Prior art keywords
- cutter
- connecting rod
- rod milling
- milling cutter
- assembly
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Links
- 238000003801 milling Methods 0.000 title claims abstract description 47
- 125000006850 spacer group Chemical group 0.000 claims description 34
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000003754 machining Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- B23C5/22—Securing arrangements for bits or teeth or cutting inserts
- B23C5/2204—Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/24—Overall form of the milling cutter
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention relates to the technical field of machining, in particular to a connecting rod milling cutter and a connecting rod milling cutter assembly. The present invention provides a connecting rod milling cutter and a connecting rod milling cutter assembly, wherein the connecting rod milling cutter comprises: the cutter head is provided with a plurality of mounting positions; the blades are correspondingly arranged on the mounting positions through threads one by one. According to the invention, the cutter head is improved, the corresponding threaded holes are formed in the cutter head and the blades, and the blades and the cutter head are fixedly clamped through bolts or screws, so that the clamping difficulty is greatly reduced, the clamping speed is increased, the strength of the cutter is increased, and the service life of the cutter is prolonged.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a connecting rod milling cutter and a connecting rod milling cutter assembly.
Background
WD615 connecting rod body need carry out external machining, and the flatness and the depth of parallelism requirement of both sides face are in 0.05, according to the technological requirement WD615 connecting rod body both sides face be by X6032 universal milling machine use dress YT05 blade (88 °) milling machine cutter disc processing, the product surface has "eight" style of calligraphy condition after the processing, can't satisfy the output quality, and the blade tool changing back size adjustment has the condition that the degree of difficulty is big and time is long, can't satisfy the normal requirement of production line, influences production productivity.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a connecting rod milling cutter and a connecting rod milling cutter assembly, which can improve the clamping speed, increase the cutter strength and prolong the cutter service life.
The purpose of the invention is realized by adopting the following technical scheme:
the invention provides a connecting rod milling cutter, comprising: the cutter head is provided with a plurality of mounting positions; the blades are correspondingly arranged on the mounting positions through threads one to one.
In one embodiment, the clearance angle of the blade is 0 degrees.
The present invention also provides a connecting rod milling cutter assembly comprising: cutter arbor and above any embodiment the connecting rod milling cutter, wherein, the blade disc cover is established the cutter arbor is last.
In a specific embodiment, two cutter heads are sleeved on the cutter bar, and a first spacing sleeve is arranged between the cutter heads.
In a specific embodiment, a second spacer bush is arranged on the outer side of each cutter head.
In a specific embodiment, still include the first end and the second end of being connected with the milling machine, the first end has lock nut, the second end has the boss, is located the first end the both ends of second spacer do not butt lock nut with the blade disc, be located the second end the both ends of second spacer do not butt the boss with the blade disc.
In a specific embodiment, still include the first end and the second end of being connected with the milling machine, the first end has lock nut, the second end has the boss, is located the first end the both ends of blade disc butt respectively first spacer sleeve with lock nut, be located the second end the both ends of blade disc butt respectively first spacer sleeve with the boss.
In one embodiment, the diameter of the knife rod is 45-55 mm.
In a particular embodiment, the diameter of the blade shaft is 50 mm.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the cutter head is improved, the corresponding threaded holes are formed in the cutter head and the blades, and the blades and the cutter head are fixedly clamped through bolts or screws, so that the clamping difficulty is greatly reduced, and the clamping mode is simpler, more convenient and faster.
Drawings
Fig. 1 is a schematic view of the construction of a link milling cutter assembly of the present invention.
In the figure: 2. a cutter head; 21. an installation position; 4. a cutter; 6. a screw; 8. a cutter bar; 10. a first spacer sleeve; 12. a second spacer sleeve; 14. locking the nut; 16. and (4) a boss.
Detailed Description
The present invention will now be described in more detail with reference to the accompanying drawings, in which the description of the invention is given by way of illustration and not of limitation. The various embodiments may be combined with each other to form other embodiments not shown in the following description.
The invention provides a connecting rod milling cutter, and referring to fig. 1, the connecting rod milling cutter comprises a cutter disc 2 and a plurality of blades 4, wherein the cutter disc 2 is provided with a plurality of mounting positions 21, and the blades 4 are correspondingly mounted on the mounting positions one by one through threads. According to the invention, the cutter head is improved, the corresponding threaded holes are formed in the cutter head and the blades, and the blades and the cutter head are fixedly clamped through the bolts or the screws 6, so that the clamping difficulty is greatly reduced, and the clamping mode is simpler, more convenient and faster.
In one embodiment, the design angle of the blades 4 on the cutter head 2 is adjusted so that the relief angle of the blades 4 is set to 0 degrees, the cutting strength of the cutter is increased, and the service life of the cutter is increased from 3200/angle to 9200/angle.
After the principle of cutter processing is investigated and found on site, the main reason that the data obtained after the product quality is detected by counting 100 workpieces is that the rigidity and the design principle of the cutter head and the type selection of the blades are unreasonable, the design angle of the cutter head and the installation angle error of the blades influence the product quality. Therefore, the installation mode of the cutter head and the blades is improved, the blades and the cutter head are fixedly clamped through bolts, the clamping difficulty is greatly reduced, the blade replacement time is reduced to 15min from the original 90 min, and the clamping mode is simpler, more convenient and quicker; in addition, the design angle of the cutter head is adjusted from 88 degrees to 0 degree in the prior art, namely the back angle of the cutter blade is adjusted from 12 degrees to 0 degree, so that the cutting strength of the cutter is increased, and the problem of insufficient product quality is solved.
The invention also provides a connecting rod milling cutter component, which comprises a cutter bar 8 and the connecting rod milling cutter in any embodiment, namely, the connecting rod milling cutter comprises a cutter disc 2 and a blade 4 arranged on the cutter disc 2, wherein the cutter disc 2 is sleeved on the cutter bar 8, and the cutter bar 8 is a shaft connecting the connecting rod milling cutter component and a milling machine.
In one embodiment, two cutter heads 2 are sleeved on the cutter bar 8, and a first spacing sleeve 10 is arranged between the cutter heads 2. A first spacer sleeve 10 is additionally arranged between the two cutter heads 2 and used for adjusting the distance between the two cutter heads 2 and increasing the adjustment precision, so that the machining precision of a product meets the requirement of 0.05 mm. Specifically, the first spacing sleeve is made of Cr15 steel.
In a specific embodiment, two cutter heads 2 are sleeved on the cutter bar 8, a first spacer sleeve 10 is arranged between the cutter heads 2, and a second spacer sleeve 12 is arranged on the outer side of each cutter head 2. That is to say, the outer sides of the two cutter heads 2 are both provided with the second spacer bushes 12, and the inner sides of the two cutter heads 2 are provided with the first spacer bushes 10, that is, both sides of the two cutter heads 2 are clamped by the first spacer bushes 10 and the second spacer bushes 12, so as to ensure the parallelism between the two cutter heads 2. Wherein the second spacer sleeve is made of No. 45 steel.
In a specific embodiment, two cutter heads 2 are sleeved on the cutter bar 8, a first spacer sleeve 10 is arranged between the cutter heads 2, and a second spacer sleeve 12 is arranged on the outer side of each cutter head 2. That is to say, the outer sides of the two cutter heads 2 are both provided with the second spacer bushes 10, and the inner sides of the two cutter heads 2 are provided with the first spacer bushes 10, that is, both sides of the two cutter heads 2 are clamped by the first spacer bushes 10 and the second spacer bushes 12, so as to ensure the parallelism between the two cutter heads 2. The connecting rod milling cutter assembly further comprises a first end and a second end, the first end is connected with the milling machine and provided with a locking nut 14, the second end is provided with a boss 16, two ends of a second spacer sleeve located at the first end are respectively abutted to the locking nut 14 and the cutter head, and two ends of the second spacer sleeve located at the second end are respectively abutted to the boss 16 and the cutter head. The locking nut fixes the cutter bar and the milling machine and simultaneously presses against the second spacer bush positioned at the first end, so as to clamp the cutter head close to the first end; the boss 16 abuts against the second spacer bush located at the second end, so that the cutter discs close to the second end are clamped, the position between the two cutter discs is fixed, and the parallelism between the two cutter discs is ensured.
In another embodiment, two cutter heads 2 are sleeved on the cutter bar 8, and a first spacing sleeve 10 is arranged between the cutter heads. A first spacer sleeve 10 is additionally arranged between the two cutter heads and used for adjusting the distance between the two cutter heads and increasing the adjustment precision. The connecting rod milling cutter assembly further comprises a first end and a second end which are connected with the milling machine, the first end is provided with a locking nut 14, the second end is provided with a boss 16, two ends of a cutter disc located at the first end are respectively abutted against the first spacer sleeve and the locking nut 14, and two ends of the cutter disc located at the second end are respectively abutted against the first spacer sleeve and the boss 16. The locking nut fixes the cutter bar and the milling machine and simultaneously supports against the cutter head close to the first end; the boss supports against the cutter head close to the second end, so that the cutter head close to the second end is clamped, the position between the two cutter heads is fixed, and the parallelism between the two cutter heads is ensured.
In one embodiment, the diameter of the tool shaft 8 is 45-55 mm. Preferably, the diameter of the knife bar 8 is 50 mm. The strength of a shaft connected with a milling machine is enhanced, the diameter of a cutter bar is increased from 30mm to 50mm, so that the cutting sensitivity of a cutter head is increased in the processing process, the production quality of a product is enhanced, the service life of a cutter is prolonged, the problem that the surface of the product processed by the original processing cutter is in a splayed shape is solved, and the flatness and the parallel plane of two side surfaces of a connecting rod body are within 0.05.
The invention solves the splayed problem of the original processing cutter by strengthening the strength of the cutter bar diameter; the angle of the blade is readjusted, so that the cutting strength of the cutter is increased, and the service life of the cutter is prolonged from 3200/angle to 9200/angle; the clamping mode of the cutter is improved, the blade and the cutter head are fixed through bolts or screws, the clamping difficulty is reduced, and the clamping speed is increased.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (9)
1. A connecting rod milling tool, comprising:
the cutter head is provided with a plurality of mounting positions;
the blades are correspondingly arranged on the mounting positions through threads one to one.
2. The connecting rod milling tool of claim 1 wherein the cutting insert has a clearance angle of 0 degrees.
3. A connecting rod milling cutter assembly, comprising: the connecting rod milling cutter of any one of claims 1-2 and a cutter bar, wherein a cutter disc is sleeved on the cutter bar.
4. The connecting rod milling cutter assembly of claim 3 wherein the cutter bar is sleeved with two cutter discs, said cutter discs having a first spacer sleeve therebetween.
5. The connecting rod milling cutter assembly of claim 4 wherein a second spacer sleeve is provided on the outside of each cutter disc.
6. The connecting rod milling cutter assembly of claim 5 further comprising a first end and a second end connected to a milling machine, said first end having a lock nut and said second end having a boss, wherein both ends of said second spacer at said first end abut said lock nut and said cutter disc, respectively, and wherein both ends of said second spacer at said second end abut said boss and said cutter disc, respectively.
7. The connecting rod milling cutter assembly of claim 4 further comprising a first end and a second end connected to a milling machine, said first end having a lock nut and said second end having a boss, both ends of said cutter disc at said first end abutting said first spacer sleeve and said lock nut, respectively, and both ends of said cutter disc at said second end abutting said first spacer sleeve and said boss, respectively.
8. The connecting rod milling tool assembly as set forth in any one of claims 3 to 7, wherein the diameter of the tool rod is 45 to 55 mm.
9. The connecting rod milling cutter tool assembly of claim 8 wherein the diameter of the cutter bar is 50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010107835.2A CN111136311A (en) | 2020-02-21 | 2020-02-21 | Connecting rod milling cutter and connecting rod milling cutter assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010107835.2A CN111136311A (en) | 2020-02-21 | 2020-02-21 | Connecting rod milling cutter and connecting rod milling cutter assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111136311A true CN111136311A (en) | 2020-05-12 |
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ID=70527796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010107835.2A Pending CN111136311A (en) | 2020-02-21 | 2020-02-21 | Connecting rod milling cutter and connecting rod milling cutter assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111136311A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732376A (en) * | 2021-09-27 | 2021-12-03 | 中国航空工业标准件制造有限责任公司 | Novel milling cutter |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1538400A (en) * | 1977-07-15 | 1979-01-17 | Heller Geb Gmbh Maschf | Crankshaft milling tools |
| WO2008083818A1 (en) * | 2007-01-12 | 2008-07-17 | Kennametal Inc. | Milling device |
| CN203343554U (en) * | 2013-05-29 | 2013-12-18 | 贵州中航转向系统有限公司 | Rack flat-and-square-milling cutter used for lathe |
| CN103878428A (en) * | 2014-03-28 | 2014-06-25 | 湖北九洲数控机床有限责任公司 | Multi-cutter head for milling main journal of crankshaft and manufacturing process of multi-cutter head |
| CN204171426U (en) * | 2014-09-26 | 2015-02-25 | 福州钜立机动车配件有限公司 | A kind of facing cutter being applicable to connecting rod Double Milling lathe |
| CN204724915U (en) * | 2015-06-08 | 2015-10-28 | 庆铃汽车（集团）有限公司 | A kind of spindle four lug face gravity milling gang tool |
| CN208289079U (en) * | 2018-04-27 | 2018-12-28 | 庆铃汽车（集团）有限公司 | A kind of horizontal milling machine milling cutter locking mechanism |
| CN212599200U (en) * | 2020-02-21 | 2021-02-26 | 杭州九龙机械制造有限公司 | Connecting rod milling cutter and connecting rod milling cutter assembly |
-
2020
- 2020-02-21 CN CN202010107835.2A patent/CN111136311A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1538400A (en) * | 1977-07-15 | 1979-01-17 | Heller Geb Gmbh Maschf | Crankshaft milling tools |
| WO2008083818A1 (en) * | 2007-01-12 | 2008-07-17 | Kennametal Inc. | Milling device |
| CN203343554U (en) * | 2013-05-29 | 2013-12-18 | 贵州中航转向系统有限公司 | Rack flat-and-square-milling cutter used for lathe |
| CN103878428A (en) * | 2014-03-28 | 2014-06-25 | 湖北九洲数控机床有限责任公司 | Multi-cutter head for milling main journal of crankshaft and manufacturing process of multi-cutter head |
| CN204171426U (en) * | 2014-09-26 | 2015-02-25 | 福州钜立机动车配件有限公司 | A kind of facing cutter being applicable to connecting rod Double Milling lathe |
| CN204724915U (en) * | 2015-06-08 | 2015-10-28 | 庆铃汽车（集团）有限公司 | A kind of spindle four lug face gravity milling gang tool |
| CN208289079U (en) * | 2018-04-27 | 2018-12-28 | 庆铃汽车（集团）有限公司 | A kind of horizontal milling machine milling cutter locking mechanism |
| CN212599200U (en) * | 2020-02-21 | 2021-02-26 | 杭州九龙机械制造有限公司 | Connecting rod milling cutter and connecting rod milling cutter assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732376A (en) * | 2021-09-27 | 2021-12-03 | 中国航空工业标准件制造有限责任公司 | Novel milling cutter |
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