CN220259652U - Composite milling cutter for processing inner cambered surface counter bore of heat preservation cylinder - Google Patents
Composite milling cutter for processing inner cambered surface counter bore of heat preservation cylinder Download PDFInfo
- Publication number
- CN220259652U CN220259652U CN202321348601.2U CN202321348601U CN220259652U CN 220259652 U CN220259652 U CN 220259652U CN 202321348601 U CN202321348601 U CN 202321348601U CN 220259652 U CN220259652 U CN 220259652U
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- heat preservation
- holder
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- cutter
- counter bore
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- 238000003801 milling Methods 0.000 title claims abstract description 76
- 238000004321 preservation Methods 0.000 title claims abstract description 67
- 239000002131 composite material Substances 0.000 title claims description 19
- 238000003754 machining Methods 0.000 claims abstract description 19
- 150000001875 compounds Chemical class 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 description 2
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Milling Processes (AREA)
Abstract
The application relates to a compound milling cutter for processing an inner cambered surface counter bore of a heat preservation cylinder, and relates to the technical field of counter bore processing cutters. The milling cutter comprises a cutter handle, a first milling part and a second milling part; the first milling part is used for extending into the inner cavity of the heat preservation cylinder from the outer cambered surface of the heat preservation cylinder; the first milling part comprises a first cutter seat and a plurality of first blades; the first tool apron is coaxially and fixedly connected with the tool shank; the plurality of first blades are distributed along the circumferential direction of the first cutter holder, and each first blade is fixedly connected with the circumferential wall of the first cutter holder; the second milling part is detachably connected with the first tool apron and used for milling a counter bore of the inner cambered surface of the heat preservation cylinder. The method has the effect of facilitating machining of the counter bore on the inner cambered surface of the heat preservation cylinder.
Description
Technical Field
The application relates to the technical field of counter bore machining cutters, in particular to a composite milling cutter for machining an inner cambered surface counter bore of a heat preservation cylinder.
Background
The carbon-carbon heat preservation cylinder is mainly used for preserving heat in a furnace and maintaining working temperature in a Czochralski single crystal furnace so as to reduce energy consumption. In practical use, the carbon-carbon heat-insulating cylinder needs to be connected with the guide cylinder to control the temperature gradient of the thermal field and guide the argon flow.
One end of the guide cylinder is integrally connected with a circular clamping edge, when the guide cylinder and the heat-preserving cylinder are installed, a counter bore is required to be formed in the inner cambered surface of the heat-preserving cylinder, so that the circular clamping edge of the guide cylinder is clamped in the counter bore, and then high-temperature-resistant glue is coated, so that the installation of the heat-preserving cylinder and the guide cylinder is realized.
Patent document with publication number CN203649482U discloses a cutter for processing counter bore countersink, which comprises a blade, a guide post, a screw and a cutter handle, wherein the cutter handle is arranged on a main shaft of a machine tool, the guide post is arranged in a positioning hole of the cutter handle and is fixed by the screw, the blade made of hard alloy is arranged in a blade mounting groove at the head part of the cutter handle, and the front angle of the blade is 14 degrees.
Aiming at the related technology, the cutter handle rotates to drive the blade to move so as to realize the processing of the counter bore, but the cutter is inconvenient to process the counter bore of the inner cambered surface of the heat preservation cylinder.
Disclosure of Invention
In order to facilitate machining of the inner cambered surface counter bore of the heat preservation cylinder, the application provides a composite milling cutter for machining the inner cambered surface counter bore of the heat preservation cylinder.
The application provides a compound milling cutter of processing heat preservation section of thick bamboo intrados counter bore adopts following technical scheme:
a compound milling cutter for machining an inner cambered surface counter bore of a heat preservation cylinder comprises a cutter handle, a first milling part and a second milling part;
the first milling part is used for extending into the inner cavity of the heat preservation cylinder from the outer cambered surface of the heat preservation cylinder;
the first milling part comprises a first cutter seat and a plurality of first blades;
the first tool apron is coaxially and fixedly connected with the tool shank;
the plurality of first blades are distributed along the circumferential direction of the first cutter holder, and each first blade is fixedly connected with the circumferential wall of the first cutter holder;
the second milling part is detachably connected with the first tool apron and used for milling a counter bore of the inner cambered surface of the heat preservation cylinder.
Through the technical scheme, when a counter bore is required to be machined on the inner cambered surface of the heat preservation cylinder, a drill rod is used for drilling a through hole in advance on the outer cambered surface of the heat preservation cylinder, then the second milling part is dismounted from the first cutter holder, the through hole is reamed by using the first cutter so that the first cutter holder stretches into the inner cavity of the heat preservation cylinder, then the movement of the first cutter holder is stopped, the second milling part is mounted on the first cutter holder from the inner cavity of the heat preservation cylinder, the counter bore is machined on the basis of the through hole, and after the counter bore is machined, the second milling part is dismounted from the first cutter holder, so that the first cutter holder and the first cutter holder leave the heat preservation cylinder; the through hole is reamed through the first blade, when the first blade holder stretches into the inner cavity of the heat preservation cylinder, the second milling part is arranged on the first blade holder, and the counter bore of the inner cambered surface of the heat preservation cylinder is machined by using the second milling part.
Optionally, the second milling element comprises a second tool holder and a number of second inserts;
the second tool apron is detachably connected with the first tool apron, and the second tool apron is coaxially arranged with the first tool apron;
the second blades are circumferentially distributed along the second tool rest, each second blade is fixedly connected with one side, close to the first tool rest, of the second tool rest, and the diameter of the second tool rest is larger than that of the first tool rest.
Through adopting above-mentioned technical scheme, the second milling part of design, when installing the second blade holder on first blade holder, can be through the processing counter bore of second blade in the heat preservation section of thick bamboo intrados, the processing of the intrados counter bore of heat preservation section of thick bamboo of being convenient for.
Optionally, a connecting bolt is arranged on the second tool holder, and the connecting bolt penetrates through one end of the second tool holder to be in threaded connection with the first tool holder.
Through the technical scheme, the designed connecting bolt penetrates through one end of the second tool apron to be in threaded connection with the first tool apron, so that the second tool apron can be conveniently installed on the first tool apron; through separating connecting bolt and first blade holder, be convenient for dismantle the second blade holder from first blade holder to realize the smooth separation with first blade holder and heat preservation section of thick bamboo.
Optionally, a sinking groove is formed in one side, far away from the knife handle, of the first knife holder, the sinking groove is formed in the axial direction of the first knife holder, a connecting sleeve is coaxially and fixedly connected to the bottom of the sinking groove, and one end, extending into the sinking groove, of the connecting bolt is in threaded connection with the inner peripheral wall of the connecting sleeve.
By adopting the technical scheme, the sinking groove is formed in the first cutter holder, so that the weight of the first cutter holder can be reduced, the weight of the whole composite milling cutter is conveniently reduced, raw materials for manufacturing the first cutter holder are saved, and the production cost of enterprises is reduced; the connecting sleeve is arranged at the bottom of the sinking groove and is in threaded connection with the connecting sleeve through the connecting bolt, so that the second tool apron and the first tool apron can be conveniently installed.
Optionally, the second blade holder is close to the coaxial rigid coupling of handle of a knife has the stop collar, the stop collar stretches into in the heavy groove, the stop collar coaxial sleeve is located on the adapter sleeve, the stop collar can be followed the adapter sleeve slides, connecting bolt stretches into the stop collar inner chamber sets up.
Through adopting above-mentioned technical scheme, set up the stop collar on the second blade holder, when installing the second blade holder on first blade holder, through aiming at stop collar and adapter sleeve to make the stop collar cover locate on the adapter sleeve, be convenient for carry out quick location to the second blade holder, and then be convenient for the threaded connection of connecting bolt and adapter sleeve.
Optionally, one end of the limiting sleeve away from the second tool apron is abutted to the bottom of the sinking groove, and a gap is reserved between the first blade and the second blade.
By adopting the technical scheme, the limit sleeve is abutted with the bottom of the sinking groove, so that the connection stability of the first tool apron and the second tool apron is improved; by leaving a gap between the first blade and the second blade, the possibility of damage of the first blade and the second blade due to collision is avoided during the mounting of the second blade holder.
Optionally, a first mounting groove for mounting each first blade is formed in the peripheral wall of the first blade holder.
Through adopting above-mentioned technical scheme, the first mounting groove of design is convenient for realize the installation of first blade and first blade holder.
Optionally, a second mounting groove for mounting each second blade is formed in the second blade holder, and the second mounting groove is formed in one side, close to the first blade holder, of the second blade holder.
Through adopting above-mentioned technical scheme, the second mounting groove of design is convenient for install the second blade on the second blade holder.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the designed composite milling cutter for machining the counter bore of the inner cambered surface of the heat preservation cylinder, the through hole is reamed through the first blade, when the first cutter holder stretches into the inner cavity of the heat preservation cylinder, the second cutter holder is arranged on the first cutter holder through the connecting bolt, and the counter bore of the inner cambered surface of the heat preservation cylinder is machined through the second blade;
2. according to the designed composite milling cutter for processing the cambered surface counter bore in the heat preservation cylinder, the sinking groove is formed in the first cutter holder, so that the weight of the first cutter holder can be reduced, the weight of the whole composite milling cutter is reduced conveniently, raw materials for manufacturing the first cutter holder are saved, and the production cost of enterprises is reduced;
3. according to the designed composite milling cutter for processing the cambered surface counter bore in the heat preservation cylinder, the limiting sleeve is arranged on the second cutter holder, when the second cutter holder is arranged on the first cutter holder, the limiting sleeve is aligned with the connecting sleeve, and the limiting sleeve is sleeved on the connecting sleeve, so that the second cutter holder can be positioned quickly, and the connecting bolt can be connected with the connecting sleeve conveniently through threads;
4. the designed composite milling cutter for machining the cambered surface counter bore in the heat preservation cylinder penetrates through one end of the second cutter seat through a connecting bolt to be in threaded connection with the first cutter seat, so that the second cutter seat is convenient to install on the first cutter seat; through separating connecting bolt and first blade holder, be convenient for dismantle the second blade holder from first blade holder to realize the smooth separation with first blade holder and heat preservation section of thick bamboo, it is nimble convenient.
Drawings
FIG. 1 is a schematic diagram of an explosive structure of a prior art heat preservation cylinder and a guide cylinder when installed;
fig. 2 is a schematic structural diagram of a composite milling cutter for machining an inner cambered surface counter bore of a heat preservation cylinder according to an embodiment of the application;
fig. 3 is a cross-sectional view of a compound milling cutter for machining an intrados counterbore of a thermal insulation cylinder according to an embodiment of the present application.
Reference numerals: 01. a guide cylinder; 011. round clamping edges; 1. a knife handle; 2. a first milling element; 21. a first tool apron; 211. a first mounting groove; 212. sinking grooves; 213. connecting sleeves; 22. a first blade; 3. a second milling element; 31. a second tool apron; 311. a second mounting groove; 312. a limit sleeve; 32. a second blade; 4. and (5) connecting bolts.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-3.
Referring to fig. 1, in the prior art, one end of a guide cylinder 01 connected with a heat insulation cylinder is integrally connected with a circular clamping edge 011, a counter bore is formed in the inner cambered surface of the heat insulation cylinder, the circular clamping edge 011 is clamped in the counter bore during installation, and then high temperature resistant glue is coated to bond the circular clamping edge 011 with the heat insulation cylinder.
The embodiment of the application discloses a compound milling cutter for processing an inner cambered surface counter bore of a heat preservation cylinder.
Referring to fig. 1, a composite milling cutter for machining a counter bore of an inner cambered surface of a heat preservation cylinder comprises a cutter handle 1, a first milling part 2 and a second milling part 3, wherein the first milling part 2 is used for extending into an inner cavity of the heat preservation cylinder from the outer cambered surface of the heat preservation cylinder and reaming an original through hole in the heat preservation cylinder, and the second milling part 3 is detachably connected with the first milling part 2 and used for milling the counter bore of the inner cambered surface of the heat preservation cylinder.
When the counter bore is required to be machined on the inner cambered surface of the heat preservation cylinder, a through hole is drilled in advance on the outer cambered surface of the heat preservation cylinder by using a drill rod, then the second milling part 3 is removed from the first milling part 2, the through hole is reamed by using the first milling part 2, the first milling part 2 stretches into the inner cavity of the heat preservation cylinder, then the movement of the first milling part 2 is stopped, the second milling part 3 is installed on the first milling part 2 from the inner cavity of the heat preservation cylinder, the counter bore is machined on the basis of the through hole, after the counter bore is machined, the second milling part 3 is removed from the first milling part 2, and the first milling part 2 leaves the heat preservation cylinder.
Referring to fig. 2, the first milling part 2 includes a first cutter holder 21 and a plurality of first blades 22, the first cutter holder 21 is coaxially and integrally connected with the cutter handle 1, the cutter handle 1 is vertically arranged, in this application, the number of the first blades 22 may be four, six or eight, if the expansion of the through holes on the heat insulation barrel is realized, in this embodiment, the number of the first blades 22 is six, the six first blades 22 are uniformly distributed along the circumferential direction of the first cutter holder 21, the outer circumferential wall of the first cutter holder 21 is provided with a first mounting groove 211 for mounting each first blade 22, the first mounting groove 211 is vertically arranged, the first blades 22 are welded on the side wall of the first mounting groove 211, the bottom ends of the first blades 22 extend out of the first mounting groove 211, and one side of the first blades 22 far away from the axis of the first cutter holder 21 extends out of the first mounting groove 211 so as to ensure the expansion of the through holes on the heat insulation barrel; to facilitate the mounting of the first blade 22, the notch of the first mounting groove 211 in this embodiment is provided with a flaring to ensure that the first mounting groove 211 can accommodate the first blade 22 and can also be used for chip removal of the first blade 22.
Referring to fig. 2, the second milling part 3 includes a second tool holder 31 and a plurality of second blades 32, the second tool holder 31 is detachably connected with the first tool holder 21, the second tool holder 31 is coaxially arranged with the first tool holder 21, the diameter of the second tool holder 31 is larger than that of the first tool holder 21, in the application, the number of the second blades 32 can be four, six or eight, if the milling of the counter bore of the inner arc surface of the heat preservation cylinder is realized, in the embodiment, the number of the second blades 32 is six, the six second blades 32 are uniformly distributed along the circumferential direction of the second tool holder 31, the second tool holder 31 is provided with second mounting grooves 311 for mounting each second blade 32, the second mounting grooves 311 are radially formed along the second tool holder 31, the second mounting grooves 311 are formed on one side of the second tool holder 31 close to the first tool holder 21, the second blades 32 are welded on the side walls of the second mounting grooves 311, and the top ends of the second blades 32 extend out of the second mounting grooves 311 so as to ensure the milling of the counter bore of the inner arc surface of the heat preservation cylinder; to facilitate the mounting of the second blade 32, the notch of the second mounting groove 311 in this embodiment is provided with a flaring to ensure that the second mounting groove 311 can accommodate the second blade 32 and can also be used for chip removal of the second blade 32.
Referring to fig. 3, in order to realize the detachable connection between the first tool holder 21 and the second tool holder 31, in this embodiment, the first tool holder 21 and the second tool holder 31 are connected through the connecting bolt 4, the connecting bolt 4 is disposed on the second tool holder 31, the connecting bolt 4 is coaxially disposed with the second tool holder 31, and the connecting bolt 4 penetrates through one end of the second tool holder 31 to be in threaded connection with the first tool holder 21, in this application, the first tool holder 21 can be in threaded connection with the second tool holder 31, so that the detachable connection between the first tool holder 21 and the second tool holder 31 is realized.
Referring to fig. 3, in order to reduce the weight of the first tool holder 21, in this embodiment, a countersink 212 is formed on a side of the first tool holder 21 away from the tool holder 1, the countersink 212 is formed along the axial direction of the first tool holder 21, a connecting sleeve 213 is coaxially welded at the bottom of the countersink 212, one end of a connecting bolt 4 extending into the countersink 212 is in threaded connection with the inner peripheral wall of the connecting sleeve 213, and the connecting sleeve 213 is coaxially sleeved on the bolt rod of the connecting bolt 4.
Referring to fig. 3, in order to facilitate quick alignment between the connecting bolt 4 and the connecting sleeve 213, in this embodiment, a stop collar 312 is coaxially welded on one side of the second tool holder 31 near the tool shank 1, the stop collar 312 extends into the sinking groove 212, the stop collar 312 is coaxially sleeved on the connecting sleeve 213, the stop collar 312 can slide along the connecting sleeve 213, the sliding direction is the axial direction of the connecting sleeve 213, and the connecting bolt 4 extends into the inner cavity of the stop collar 312 and is in threaded connection with the inner peripheral wall of the connecting sleeve 213; when the second tool holder 31 is installed, in order to prevent the second tool holder 31 from damaging the first blade 22, in this embodiment, one end of the stop collar 312 away from the second tool holder 31 abuts against the bottom of the countersink 212, and a gap is left between the first blade 22 and the second blade 32; in order to prevent the first blade 22 from contacting the second blade 32, the first blade 22 and the second blade 32 are offset in this embodiment.
The implementation principle of the composite milling cutter for processing the cambered surface counter bore in the heat preservation cylinder is as follows: when a counter bore is required to be machined on the inner cambered surface of the heat preservation cylinder, a drill rod is used for drilling a through hole in advance on the outer cambered surface of the heat preservation cylinder, then the second cutter holder 31 is detached from the first cutter holder 21, the first cutter holder 21 is used for reaming the through hole, the first cutter holder 21 stretches into the inner cavity of the heat preservation cylinder, then the movement of the first cutter holder 21 is stopped, the second cutter holder 31 is installed on the first cutter holder 21 from the inner cavity of the heat preservation cylinder, the connecting bolt 4 is screwed, then the second cutter holder 32 is used for machining the counter bore on the basis of the through hole, after the counter bore is machined, the connecting bolt 4 is adjusted, the second cutter holder 31 is detached from the first cutter holder 21, and then the first cutter holder 21 and the first cutter holder 22 leave the heat preservation cylinder; the through hole is reamed through the first blade 22, when the first blade holder 21 stretches into the inner cavity of the heat preservation cylinder, the second blade holder 31 is arranged on the first blade holder 21, and the second blade 32 is used for processing the counter bore of the inner cambered surface of the heat preservation cylinder.
When the second tool holder 31 is mounted on the first tool holder 21, the limiting sleeve 312 is aligned with the connecting sleeve 213, so that the limiting sleeve 312 is coaxially sleeved on the connecting sleeve 213, and then the connecting bolt 4 penetrates through one end of the second tool holder 31 to be in threaded connection with the inner peripheral wall of the connecting sleeve 213, so that the second tool holder 31 can be mounted quickly, and the processing efficiency of the counter bore is improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The utility model provides a compound milling cutter of processing heat preservation section of thick bamboo intrados counter bore, includes handle of a knife (1), its characterized in that: the milling machine further comprises a first milling part (2) and a second milling part (3);
the first milling part (2) is used for extending into the inner cavity of the heat preservation cylinder from the outer cambered surface of the heat preservation cylinder;
the first milling element (2) comprises a first seat (21) and a number of first inserts (22);
the first tool apron (21) is coaxially fixedly connected with the tool shank (1);
the plurality of first blades (22) are circumferentially distributed along the first cutter holder (21), and each first blade (22) is fixedly connected with the peripheral wall of the first cutter holder (21);
the second milling part (3) is detachably connected with the first tool apron (21) and is used for milling a counter bore of the inner cambered surface of the heat preservation cylinder.
2. The composite milling cutter for machining the counter bore of the inner cambered surface of the heat preservation cylinder, which is characterized in that: the second milling element (3) comprises a second seat (31) and a number of second inserts (32);
the second tool holder (31) is detachably connected with the first tool holder (21), and the second tool holder (31) and the first tool holder (21) are coaxially arranged;
the second blades (32) are circumferentially distributed along the second blade holder (31), each second blade (32) is fixedly connected with one side, close to the first blade holder (21), of the second blade holder (31), and the diameter of the second blade holder (31) is larger than that of the first blade holder (21).
3. The composite milling cutter for machining the counter bore of the inner cambered surface of the heat preservation cylinder, which is characterized in that: the second tool apron (31) is provided with a connecting bolt (4), and the connecting bolt (4) penetrates through one end of the second tool apron (31) to be in threaded connection with the first tool apron (21).
4. A compound milling cutter for machining an intrados counter bore of a thermal insulation cylinder according to claim 3, wherein: the utility model discloses a knife handle, including handle (1) and connecting bolt, first blade holder (21) is kept away from handle (1) one side has seted up heavy groove (212), heavy groove (212) are followed first blade holder (21) axial is seted up, the coaxial rigid coupling of tank bottom of heavy groove (212) has adapter sleeve (213), connecting bolt (4) stretch into heavy groove (212) one end with adapter sleeve (213) inner peripheral wall threaded connection.
5. The composite milling cutter for machining the inner cambered surface counter bore of the heat preservation cylinder, which is characterized in that: the utility model discloses a knife handle, including handle (1) and connecting bolt (4), handle (1) is located in the bottom, second blade holder (31) is close to coaxial rigid coupling in handle (1) one side has stop collar (312), stop collar (312) stretch into in heavy groove (212), stop collar (312) coaxial cover is located on adapter sleeve (213), stop collar (312) can be followed adapter sleeve (213) are slided, connecting bolt (4) stretch into stop collar (312) inner chamber setting.
6. The composite milling cutter for machining the inner cambered surface counter bore of the heat preservation cylinder, which is characterized in that: one end of the limiting sleeve (312) far away from the second tool apron (31) is abutted against the bottom of the sinking groove (212), and a gap is reserved between the first blade (22) and the second blade (32).
7. The composite milling cutter for machining the cambered surface counter bore in the heat preservation cylinder according to any one of claims 1 to 6, which is characterized in that: the outer peripheral wall of the first tool apron (21) is provided with a first mounting groove (211) for mounting each first blade (22).
8. The composite milling cutter for machining the cambered surface counter bore in the heat preservation cylinder according to any one of claims 2 to 6, which is characterized in that: the second cutter holder (31) is provided with a second mounting groove (311) for mounting each second blade (32), and the second mounting groove (311) is arranged on one side of the second cutter holder (31) close to the first cutter holder (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321348601.2U CN220259652U (en) | 2023-05-30 | 2023-05-30 | Composite milling cutter for processing inner cambered surface counter bore of heat preservation cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321348601.2U CN220259652U (en) | 2023-05-30 | 2023-05-30 | Composite milling cutter for processing inner cambered surface counter bore of heat preservation cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220259652U true CN220259652U (en) | 2023-12-29 |
Family
ID=89305644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321348601.2U Active CN220259652U (en) | 2023-05-30 | 2023-05-30 | Composite milling cutter for processing inner cambered surface counter bore of heat preservation cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220259652U (en) |
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2023
- 2023-05-30 CN CN202321348601.2U patent/CN220259652U/en active Active
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