CN117381037A - Groove milling method for inner hole of machine barrel - Google Patents
Groove milling method for inner hole of machine barrel Download PDFInfo
- Publication number
- CN117381037A CN117381037A CN202311405084.2A CN202311405084A CN117381037A CN 117381037 A CN117381037 A CN 117381037A CN 202311405084 A CN202311405084 A CN 202311405084A CN 117381037 A CN117381037 A CN 117381037A
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- CN
- China
- Prior art keywords
- machine barrel
- clamping
- milling
- seat
- groove
- Prior art date
- 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.)
- Pending
Links
- 238000003801 milling Methods 0.000 title claims abstract description 108
- 238000005507 spraying Methods 0.000 claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 11
- 239000000110 cooling liquid Substances 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 58
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
- B23C3/32—Milling helical grooves, e.g. in making twist-drills
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
A milling groove method for an inner hole of a machine barrel comprises the following steps of vertically placing the machine barrel on a positioning seat of a milling groove machine, so that the positioning seat clamps the machine barrel; driving the clamping mechanism to clamp the side part of the machine barrel; the positioning seat drives the machine barrel to rotate; the groove milling part extends into the inner cavity of the machine barrel so as to mill the groove on the inner wall of the machine barrel, and the spraying part continuously sprays cooling liquid to the milling cutter of the groove milling part in the groove milling process; the milling groove part is withdrawn from the inner wall of the machine barrel, and the machine barrel is taken down; the slot milling machine comprises a slot milling part, a spraying part and a positioning seat, wherein the positioning seat comprises a rotating seat and a clamping mechanism, the slot milling part is arranged above the machine barrel and is connected with a driving mechanism, the driving mechanism can drive the slot milling part to move up and down relative to the machine barrel, and the spraying port is arranged on the side wall of the bottom of the slot milling part and can extend into the inner cavity of the machine barrel along with the slot milling part. The invention has the advantages that: the machine barrel is convenient to install, the efficiency of milling grooves in the inner hole of the machine barrel is high, and the quality of milling grooves is high.
Description
Technical Field
The invention relates to the technical field of machining of inner holes of machine barrels, in particular to a groove milling method of the inner holes of the machine barrels.
Background
The prior Chinese patent application with the application number of CN201911156135.6 called a milling groove method of a cylinder inner hole discloses a milling groove method of a cylinder inner hole, which comprises the following steps that a clamping mechanism clamps the cylinder; moving the milling cutter to the front of an opening at one end of an inner hole of the machine barrel; connecting a cutter bar of the milling cutter with a limiting mechanism; milling a groove on the inner wall of the inner hole of the machine barrel by the cutter head; the clamping part rotates, and the cutter head mills a spiral groove on the inner wall of the inner hole of the machine barrel; when the cutter bar moves to an opening at the other end separated from the inner hole of the machine barrel, the cutter bar retreats to an initial position; after the second driving part rotates the machine barrel by a set angle, repeating the steps four to six until a set number of grooves are distributed on the inner wall of the machine barrel at equal intervals, and retracting the cutter head along the milled grooves until the cutter head is separated from the inner hole of the machine barrel; and opening the clamping mechanism to take out the machine barrel, and finishing the machining operation. The invention has the advantages that: milling a groove penetrating through the inner hole of the machine barrel on the inner wall of the inner hole of the machine barrel; the cutter bar is convenient to replace after being worn; a spiral groove can be processed in the inner hole of the machine barrel; the milling groove depth of the cutter bar on the inner wall of the inner hole of the machine barrel can be changed. However, the method has low efficiency when the machine barrel is installed on the clamping seat no matter the length of the machine barrel, and meanwhile, the cooling liquid needs to be continuously conveyed by the conveying pump, so that the method needs to be further improved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a groove milling method for a cylinder inner hole, which is convenient to install, high in groove milling efficiency and high in groove milling quality.
The technical scheme adopted for solving the technical problems is as follows: the slot milling method for the inner hole of the machine barrel is characterized by comprising the following steps of: comprises the steps of,
1. vertically placing the machine barrel on a positioning seat of a slot milling machine, so that the positioning seat clamps the machine barrel;
2. driving the clamping mechanism to clamp the side part of the machine barrel;
3. starting the positioning seat to drive the machine barrel to rotate;
4. the groove milling part extends into the inner cavity of the machine barrel so as to mill the groove on the inner wall of the machine barrel, and the spraying part continuously sprays cooling liquid to the milling cutter of the groove milling part in the groove milling process;
5. after finishing milling the groove, the groove milling part withdraws from the inner wall of the machine barrel, and the machined machine barrel is taken down from the positioning seat, so that the inner hole groove milling of the machine barrel is completed;
the slot milling machine comprises a slot milling part, a spraying part and a positioning seat, wherein the positioning seat comprises a rotating seat and a clamping mechanism, the slot milling part is arranged above a machine barrel and is connected with a driving mechanism on a driving seat on one side of the clamping seat, the driving mechanism can drive the slot milling part to move up and down relative to the machine barrel, and a spraying opening of a spraying pipe of the spraying part is arranged on the side wall of the bottom of the slot milling part and can extend into an inner cavity of the machine barrel along with the slot milling part.
As an improvement, the milling groove part may preferably include a cutter head, a rotating body, a transmission shaft, a housing, and a cutter head driving motor, the housing is connected with the driving mechanism, the transmission shaft and the spray pipe are arranged in the housing in a penetrating manner, one end of the transmission shaft is connected with the cutter head driving motor in a transmission manner, the other end of the transmission shaft is connected with the rotating body in a transmission manner, the rotating body is rotationally connected to an opening on a side wall of the housing, the cutter head is positioned on the rotating body, and a spray opening of the spray pipe is positioned on the side wall of the housing above the cutter head.
In a further development, a cavity support plate connected to a drive shaft can be preferably arranged in the cavity of the housing, a ball bearing being arranged in the middle of the cavity support plate, the drive shaft passing through the ball bearing.
Further, the rotating body may be preferably disposed vertically with respect to the transmission shaft, and the corresponding ends of the rotating body and the transmission shaft are respectively provided with a bevel gear capable of being engaged with each other.
Further improved, the cutter head can be detachably inserted on the rotating body, a side wall sealing cover is arranged on the side wall opening of the shell, and the side wall sealing cover covers the rotating body.
As an improvement, the driving mechanism may preferably include a limit sliding rail, a transmission screw, and a transmission screw driving motor, where the transmission screw driving motor is connected to the driving seat and is in transmission connection with the transmission screw, the limit sliding rail is vertically disposed on the driving seat, the milling groove is connected to the sliding block, the sliding block is connected to the limit sliding rail, and the transmission screw is in transmission connection with the milling groove.
As an improvement, the rotating base may preferably include a rotating base and a clamping disc, the clamping disc is rotatably connected to the rotating base, a clamping disc driving motor is provided on the rotating base, the clamping disc driving motor is connected to the clamping disc in a transmission manner, and clamping blocks capable of stretching and clamping the machine barrel are provided on the clamping disc at intervals.
As an improvement, the clamping mechanism may preferably include a clamping arm capable of opening and closing with respect to the barrel, a clamping arm driving motor, and a clamping seat, the clamping seat is disposed on one side of the rotating seat, the clamping arm is rotatably connected to the clamping seat, the clamping arm is in transmission connection with the clamping arm driving motor, and a supporting roller for propping against the side wall of the barrel is disposed on the inner side wall of the clamping arm.
Further improved, the clamping seat can preferably comprise a clamping base and a clamping moving seat, the clamping arm is arranged on the clamping moving seat, the clamping moving seat can be arranged on the clamping base in an up-and-down moving manner, a clamping moving seat driving mechanism is arranged on the clamping base, and the clamping moving seat driving mechanism is connected with the clamping moving seat.
As an improvement, the automatic feeding device can preferably further comprise an outer box body capable of realizing integral conveying of the milling machine, a front door capable of being installed in a machine barrel is arranged on the front side of the outer box body, the front door is a glass door capable of observing conditions in the outer box body, and the milling groove part and the positioning seat are arranged in the outer box body.
Compared with the prior art, the invention has the advantages that: the machine barrel is vertically placed on the positioning seat, compared with the machine barrel which is transversely arranged, at least three positioning machine barrels are needed, the fixed structure of the machine barrel is reduced, the machine barrel installation efficiency is higher, and the installation is more convenient; after the machine barrel is vertically arranged, a cutter for milling the groove vertically ascends and descends during milling the groove, so that the influence of gravity on the stroke can be ignored, the quality of the milling groove is higher, and the effect is better; because the machine barrel and the milling groove part are vertically arranged, the automatic liquid discharging of the cooling liquid can be realized only by arranging the cooling liquid storage tank at a high position, and the cooling liquid is not required to be continuously conveyed by a circulating pump in the milling groove process, so that the production energy consumption is reduced, and the environment is protected; the slot milling machine adopted by the method has compact structure, high integration degree, high portability degree and convenient transportation and remote installation, and the whole structure can be arranged in the outer box body.
Drawings
FIG. 1 is a perspective view of a slot milling machine employed in an embodiment of the present invention;
FIG. 2 is a perspective view of the front door of FIG. 1 opened;
FIG. 3 is an exploded view of the structure of FIG. 2;
fig. 4 is a perspective view of the structure in the outer case shown in fig. 3 alone;
FIG. 5 is a perspective view of the milled groove of FIG. 4 after it has been lowered;
FIG. 6 is a side elevational view of FIG. 4;
FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;
FIG. 8 is a cross-sectional view taken along line B-B in FIG. 6;
FIG. 9 is an exploded view of the structure of FIG. 4;
fig. 10 is an enlarged view of the portion I in fig. 4.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 10, the slot milling method of the inner bore of the barrel of the present embodiment includes the steps of,
1. vertically placing the machine barrel 4 on a positioning seat of a slot milling machine, so that the positioning seat clamps the machine barrel 4;
2. driving the clamping mechanism to clamp the side part of the machine barrel;
3. starting the positioning seat to drive the machine barrel 4 to rotate;
4. the groove milling part extends into the inner cavity of the machine barrel so as to mill the groove on the inner wall of the machine barrel, and the spraying part continuously sprays cooling liquid to the milling cutter of the groove milling part in the groove milling process;
5. after finishing the milling groove, the milling groove part exits the inner wall of the machine barrel, and the machined machine barrel 4 is taken down from the positioning seat, so that the inner hole milling groove of the machine barrel is completed;
the slot milling machine comprises a slot milling part, a spraying part and a positioning seat, wherein the positioning seat comprises a rotating seat and a clamping mechanism, the slot milling part is arranged above a machine barrel 4 and is connected with a driving mechanism on a driving seat on one side of the clamping seat, the driving mechanism can drive the slot milling part to move up and down relative to the machine barrel 4, and a spraying opening 311 of a spraying pipe 31 of the spraying part is arranged on the side wall of the bottom of the slot milling part and can extend into the inner cavity of the machine barrel along with the slot milling part.
The milling groove part comprises a cutter head 50, a rotating body 51, a transmission shaft 52, a shell 5 and a cutter head driving motor, wherein the shell 5 is connected with a driving mechanism, the transmission shaft 52 and the spray pipe 31 are arranged in the shell 5 in a penetrating manner, one end of the transmission shaft 52 is connected with the cutter head driving motor in a transmission manner, and the specific transmission structure is a known technology and is not described again. The other end of the transmission shaft 52 is in transmission connection with the rotating body 51, the rotating body 51 is rotationally connected to the opening of the side wall of the shell, the cutter head 50 is positioned on the rotating body 51, and the spraying opening 311 of the spraying pipe 31 is positioned on the side wall of the shell above the cutter head. An inner cavity supporting plate connected with a transmission shaft 52 is arranged in the inner cavity of the shell 5, a ball bearing 53 is arranged in the middle of the inner cavity supporting plate, and the transmission shaft 52 passes through the ball bearing 53. The rotating body 51 is vertically arranged opposite to the transmission shaft 52, and the corresponding ends of the rotating body 51 and the transmission shaft 52 are respectively provided with bevel gears which can be meshed with each other. The cutter head 50 is detachably inserted on the rotating body 51, a side wall sealing cover is arranged on the side wall opening of the shell, and the side wall sealing cover covers the rotating body 51.
The driving mechanism comprises a limiting slide rail, a transmission screw rod and a transmission screw rod driving motor, wherein the transmission screw rod driving motor is connected to the driving seat 6 and is in transmission connection with the transmission screw rod, the limiting slide rail is vertically arranged on the driving seat 6, the milling groove part is connected to the sliding block 61, the sliding block 61 is connected to the limiting slide rail, and the transmission screw rod is in transmission connection with the milling groove part.
The rotating seat comprises a rotating base and a clamping disc 1, wherein the clamping disc 1 is rotatably connected to the rotating base, a clamping disc driving motor is arranged on the rotating base, the clamping disc driving motor is connected with the clamping disc 1 in a transmission manner, and a specific transmission structure belongs to the prior art and is not described in detail. Clamping blocks 11 which can stretch and retract to clamp the machine barrel 4 are arranged on the clamping disc 1 at intervals.
The clamping mechanism comprises a clamping arm 21 which can be opened and closed relative to the machine barrel 4, a clamping arm driving motor and a clamping seat, wherein the clamping seat is arranged on one side of the rotating seat, the clamping arm 21 is rotatably connected to the clamping seat, the clamping arm 21 is in transmission connection with the clamping arm driving motor, and the specific transmission structure belongs to the known technology and is not described in detail. A support roller 211 that abuts against the cylinder side wall is provided on the inner side wall of the clamp arm 21.
The clamping seat comprises a clamping base 20 and a clamping moving seat 2, the clamping arms 21 are arranged on the clamping moving seat 2, the clamping moving seat 2 can be arranged on the clamping base 20 in a vertically movable mode, a clamping moving seat driving mechanism is arranged on the clamping base 20, and the clamping moving seat driving mechanism is connected with the clamping moving seat 2. The specific structure of the clamping moving seat driving mechanism for driving the clamping moving seat 2 is the same as the structure principle of the driving mechanism driving slider 61, so that the detailed description will not be given.
The slot milling machine for milling slots in the inner holes of the machine barrel further comprises an outer box body 7 capable of achieving integral carrying of the slot milling machine, a front door capable of being installed in the machine barrel is arranged on the front side of the outer box body 7, the front door is a glass door capable of observing conditions in the outer box body 7, and the slot milling part and the positioning seat are arranged in the outer box body 7.
Working principle: the barrel is vertically arranged on the clamping disc, the clamping disc can drive the barrel to rotate, and meanwhile, the cutter head of the groove milling part can mill grooves in an inner hole of the barrel, so that special groove types such as spiral grooves and the like are milled.
Claims (10)
1. A slot milling method for an inner hole of a machine barrel is characterized by comprising the following steps of: comprises the steps of,
1. vertically placing the machine barrel on a positioning seat of a slot milling machine, so that the positioning seat clamps the machine barrel;
2. driving the clamping mechanism to clamp the side part of the machine barrel;
3. starting the positioning seat to drive the machine barrel to rotate;
4. the groove milling part extends into the inner cavity of the machine barrel so as to mill the groove on the inner wall of the machine barrel, and the spraying part continuously sprays cooling liquid to the milling cutter of the groove milling part in the groove milling process;
5. after finishing milling the groove, the groove milling part withdraws from the inner wall of the machine barrel, and the machined machine barrel is taken down from the positioning seat, so that the inner hole groove milling of the machine barrel is completed;
the slot milling machine comprises a slot milling part, a spraying part and a positioning seat, wherein the positioning seat comprises a rotating seat and a clamping mechanism, the slot milling part is arranged above a machine barrel and is connected with a driving mechanism on a driving seat on one side of the clamping seat, the driving mechanism can drive the slot milling part to move up and down relative to the machine barrel, and a spraying opening of a spraying pipe of the spraying part is arranged on the side wall of the bottom of the slot milling part and can extend into an inner cavity of the machine barrel along with the slot milling part.
2. The slot milling method of claim 1, wherein: the milling groove part comprises a cutter head, a rotating body, a transmission shaft, a shell and a cutter head driving motor, the shell is connected with the driving mechanism, the transmission shaft and the spray pipe are arranged in the shell in a penetrating mode, one end of the transmission shaft is connected with the transmission of the cutter head driving motor, the other end of the transmission shaft is connected with the transmission of the rotating body, the rotating body is rotationally connected to an opening of the side wall of the shell, the cutter head is positioned on the rotating body, and a spray opening of the spray pipe is positioned on the side wall of the shell above the cutter head.
3. The slot milling method of claim 2, wherein: an inner cavity supporting plate connected with a transmission shaft is arranged in the inner cavity of the shell, a ball bearing is arranged in the middle of the inner cavity supporting plate, and the transmission shaft penetrates through the ball bearing.
4. A slot milling method as claimed in claim 3, wherein: the rotating body is vertically arranged relative to the transmission shaft, and conical gears which can be meshed with each other are respectively arranged at the corresponding ends of the rotating body and the transmission shaft.
5. The slot milling method of claim 4, wherein: the cutter head is detachably inserted on the rotating body, a side wall sealing cover is arranged on the side wall opening of the shell, and the side wall sealing cover covers the rotating body.
6. The slot milling method of any one of claims 1 to 5, wherein: the driving mechanism comprises a limiting slide rail, a transmission screw rod and a transmission screw rod driving motor, wherein the transmission screw rod driving motor is connected to the driving seat and is in transmission connection with the transmission screw rod, the limiting slide rail is vertically arranged on the driving seat, the milling groove part is connected to the sliding block, the sliding block is connected to the limiting slide rail, and the transmission screw rod is in transmission connection with the milling groove part.
7. The slot milling method of claim 6, wherein: the rotary seat comprises a rotary base and a clamping disc, wherein the clamping disc is rotatably connected to the rotary base, a clamping disc driving motor is arranged on the rotary base and is connected with a clamping disc in a transmission manner, and clamping blocks which can stretch out and draw back to clamp the machine barrel are arranged on the clamping disc at intervals.
8. The slot milling method of claim 1, wherein: the clamping mechanism comprises a clamping arm capable of being opened and closed relative to the machine barrel, a clamping arm driving motor and a clamping seat, wherein the clamping seat is arranged on one side of the rotating seat, the clamping arm is rotatably connected to the clamping seat, the clamping arm is connected with the clamping arm driving motor in a transmission manner, and a supporting roller propping against the side wall of the machine barrel is arranged on the inner side wall of the clamping arm.
9. The slot milling method of claim 1, wherein: the clamping seat comprises a clamping base and a clamping moving seat, the clamping arm is arranged on the clamping moving seat, the clamping moving seat can be arranged on the clamping base in an up-and-down moving mode, a clamping moving seat driving mechanism is arranged on the clamping base, and the clamping moving seat driving mechanism is connected with the clamping moving seat.
10. The slot milling method of claim 1, wherein: the automatic feeding device for the milling groove machine is characterized by further comprising an outer box body capable of achieving integral carrying of the milling groove machine, a front door capable of being installed in a machine barrel is arranged on the front side of the outer box body, the front door is a glass door capable of observing conditions in the outer box body, and the milling groove part and the positioning seat are arranged in the outer box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311405084.2A CN117381037A (en) | 2023-10-26 | 2023-10-26 | Groove milling method for inner hole of machine barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311405084.2A CN117381037A (en) | 2023-10-26 | 2023-10-26 | Groove milling method for inner hole of machine barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117381037A true CN117381037A (en) | 2024-01-12 |
Family
ID=89468193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311405084.2A Pending CN117381037A (en) | 2023-10-26 | 2023-10-26 | Groove milling method for inner hole of machine barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117381037A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118023591A (en) * | 2024-04-15 | 2024-05-14 | 连云港腾越电子科技有限公司 | Automatic slot milling machine for open groove of water meter shell |
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| CN219074480U (en) * | 2022-12-19 | 2023-05-26 | 山东瑞博电机有限公司 | Motor rotor retaining ring processing equipment |
| CN219188904U (en) * | 2022-12-23 | 2023-06-16 | 周口宏旺塑胶制品有限公司 | Barrel cover internal thread milling machine |
-
2023
- 2023-10-26 CN CN202311405084.2A patent/CN117381037A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102017130056A1 (en) * | 2017-12-14 | 2019-06-19 | Mirko Flam | whirling unit |
| CN208662626U (en) * | 2018-07-25 | 2019-03-29 | 深圳市铁信兴科技有限公司 | A kind of milling device being easy to fixed milling object |
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| CN118023591A (en) * | 2024-04-15 | 2024-05-14 | 连云港腾越电子科技有限公司 | Automatic slot milling machine for open groove of water meter shell |
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