CN108942364B - Automatic material changing mechanism for numerical control machining equipment - Google Patents
Automatic material changing mechanism for numerical control machining equipment Download PDFInfo
- Publication number
- CN108942364B CN108942364B CN201810986046.3A CN201810986046A CN108942364B CN 108942364 B CN108942364 B CN 108942364B CN 201810986046 A CN201810986046 A CN 201810986046A CN 108942364 B CN108942364 B CN 108942364B
- Authority
- CN
- China
- Prior art keywords
- channel
- automatic
- numerical control
- material feeding
- feeding
- 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.)
- Active
Links
- 239000000463 material Substances 0.000 title claims abstract description 68
- 238000003754 machining Methods 0.000 title claims abstract description 41
- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 230000008859 change Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 239000004576 sand Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
-
- 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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/16—Loading work on to conveyors; Arranging work on conveyors, e.g. varying spacing between individual workpieces
- B23Q7/165—Turning devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding Of Workpieces (AREA)
Abstract
The invention discloses an automatic material changing mechanism for numerical control machining equipment, which comprises an automatic material feeding disc, a material feeding channel, a material feeding device, a material changing device, a sliding seat and a sliding plate, wherein the material feeding device comprises a first seat body arranged on the sliding plate, the first seat body is provided with the material feeding channel and a first cylinder, the material feeding channel comprises a material receiving opening and a material feeding opening, one end of the material feeding channel corresponds to the automatic material feeding disc, the other end of the material feeding channel corresponds to the material receiving opening, the material changing device comprises a second cylinder and a second seat body arranged on the sliding plate, the second seat body is provided with a U-shaped reversing channel, the sliding seat is in sliding connection with a seat of the machining equipment and can move along the axial direction of a main shaft, and the sliding plate is movably arranged on the sliding seat and can move along the direction perpendicular to the axial direction of the main shaft. The automatic material changing mechanism for the numerical control machining equipment can realize automatic feeding and clamping, and can automatically change the direction of a workpiece, so that the machining efficiency is improved, and the potential safety hazard in the machining process is greatly reduced.
Description
Technical Field
The invention relates to automatic numerical control machining equipment, in particular to an automatic material changing mechanism for numerical control machining equipment.
Background
The numerical control machining equipment is widely applied to various different machining fields because of being capable of adapting to machining of complex parts of various different types and having the characteristics of high machining efficiency and machining precision. However, the existing numerical control machining equipment is higher in automation degree, workpiece clamping is usually needed manually, particularly for some cylindrical workpieces, the workpieces are needed to be clamped to a three-jaw chuck of a main shaft manually, when one end of each workpiece is machined, the workpiece is needed to be taken down manually to be clamped in a reversing mode again, machining of the other end is conducted, and the mode of manually feeding and changing materials is adopted, so that not only is the potential safety hazard greatly existing, but also the feeding and changing materials are low in efficiency, and the machining efficiency is seriously affected.
Disclosure of Invention
The invention aims to solve the technical problems, and provides an automatic material changing mechanism for numerical control machining equipment, which can realize automatic feeding and clamping, and can automatically reverse workpieces, thereby improving the machining efficiency and greatly reducing the potential safety hazard in the machining process.
The invention is realized by the following technical scheme: the utility model provides an automatic feed mechanism for numerical control machining equipment, including automatic feeding tray, the pay-off passageway, loading attachment, feed changing device, slide and slide, loading attachment is including installing the first pedestal on the slide, be provided with feed passage and first cylinder on the first pedestal, feed passage includes the feed inlet and the feed inlet that corresponds with the main shaft of machining equipment, first cylinder can drive the work piece by the feed inlet towards the feed inlet motion, the one end of feed passage corresponds with automatic feeding tray, the other end corresponds with the feed inlet, feed changing device includes the second cylinder and installs the second pedestal on the slide, be provided with the switching-over passageway of U type on the second pedestal, the second cylinder drives the work piece and realizes the switching-over in the switching-over passageway, slide and the frame sliding connection of machining equipment and can follow the axis direction motion of main shaft, the slide activity sets up on the slide and can follow the direction motion of perpendicular to main shaft axis.
Preferably, the feeding channel comprises a blanking channel and a receiving groove, one end of the blanking channel corresponds to a blanking port of the automatic feeding disc, the other end of the blanking channel corresponds to one end of the receiving groove, and the other end of the receiving groove is fixedly arranged on the first seat body and corresponds to the receiving port.
Preferably, the automatic feeding disc is arranged at the top of the machine base, and the blanking channel is fixedly arranged on the machine base and is obliquely downwards arranged towards the feeding device.
Preferably, the bottom end of the blanking channel is provided with a control valve body for controlling the opening and closing of the channel.
Preferably, a three-jaw chuck is mounted on the main shaft of the processing device, and the second cylinder is mounted in the middle of the three-jaw chuck.
Preferably, the feeding port is provided with a first locking cylinder for fixing the workpiece in the feeding channel.
Preferably, the reversing channel comprises a feed inlet and a discharge outlet which are respectively arranged at two ends, and the feed inlet and the discharge outlet are both provided with a second locking cylinder for fixing the workpiece in the reversing channel.
Preferably, the inner wall equipartition of material loading passageway encircles and is provided with a plurality of and the lateral wall complex sand grip of work piece, and the sand grip sets up and both ends flush with the port of material loading passageway along the length direction of material loading passageway, constructs first empty slot between the double-phase adjacent sand grip.
Preferably, the surface of the convex strip abutting against the workpiece is concavely provided with a second void-avoiding groove, the second void-avoiding groove is arranged along the length direction of the convex strip, and two ends of the second void-avoiding groove extend to two end parts of the convex strip.
Preferably, the inner wall equipartition of switching-over passageway encircles and is provided with a plurality of third and keeps away empty groove, and the third keeps away empty groove along the length direction setting of switching-over passageway and both ends and switching-over passageway's port flush.
The beneficial effects are that: compared with the prior art, the automatic material changing mechanism for the numerical control machining equipment can automatically convey the workpiece in the automatic material feeding disc to the main shaft for clamping through the automatic material feeding disc, the material feeding channel and the material feeding device, and meanwhile, the workpiece can be driven by the second driving cylinder to change direction in the U-shaped reversing channel, so that the workpiece can be subjected to reversing clamping, the material feeding and reversing of the workpiece are not required to be manually operated, the machining efficiency is improved, and the potential safety hazard in the manual operation process is greatly reduced.
Drawings
The invention is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic diagram of an automatic material changing mechanism for numerical control machining equipment;
fig. 2 is a schematic structural diagram of the feeding device in fig. 1;
fig. 3 is a schematic structural view of the material changing device in fig. 1.
Detailed Description
As shown in fig. 1 to 3, an automatic material changing mechanism for numerical control machining equipment comprises an automatic feeding disc 1, a feeding channel, a feeding device 2, a material changing device 3, a sliding seat 4 and a sliding plate 5, wherein the feeding device 2 comprises a first seat body arranged on the sliding plate 5, the first seat body is provided with the feeding channel 7 and a first cylinder 8, the feeding channel 7 comprises a material receiving opening 9 and a material feeding opening 10 corresponding to a main shaft of the machining equipment, the first cylinder 8 can drive a workpiece to move towards the material receiving opening 10 from the material receiving opening 9, one end of the feeding channel corresponds to the automatic feeding disc 1, the other end corresponds to the material receiving opening 9, the material changing device 3 comprises a second cylinder and a second seat body 11 arranged on the sliding plate 5, the second seat body 11 is provided with a U-shaped reversing channel 12, the second cylinder drives the workpiece to move in the reversing channel 12, the sliding seat 4 is slidably connected with the seat of the machining equipment and can move along the axial direction of the main shaft, and the sliding plate 5 is movably arranged on the sliding seat 4 and can move along the direction perpendicular to the main shaft axis.
During processing, workpieces in the automatic feeding disc 1 fall into a feeding channel, the workpieces are conveyed to a blanking port of the feeding channel 7 along the feeding channel, the driving sliding seat 4 moves towards the spindle, then the workpieces are driven to move from the blanking port to the feeding port 10 through the first driving cylinder, the workpieces are extruded out of the feeding port 10 to be clamped by a clamp of the spindle, after clamping is completed, the sliding seat 4 can be driven to move towards the feeding channel, the blanking port corresponds to a port of the feeding channel, the workpieces can slide into the feeding channel 7 for circular feeding, after one end of the workpieces is processed, the sliding seat 4 can be driven to move towards the spindle, and meanwhile, the sliding plate 5 is driven to move relative to the sliding seat 4, so that one port of the reversing channel 12 corresponds to the workpieces on the spindle, the workpieces are pushed into the reversing channel 12 through the second cylinder, and the workpieces are pushed out of the reversing channel 12.
The feeding channel can comprise a blanking channel 13 and a receiving groove 14, one end of the blanking channel 13 corresponds to a blanking port of the automatic feeding disc 1, the other end corresponds to one end of the receiving groove 14, the other end of the receiving groove 14 is fixedly arranged on the first seat body and corresponds to the receiving port 9, a workpiece falls into the blanking channel 13 from the blanking port on the automatic feeding disc 1, falls into the receiving groove 14 through the blanking channel 13, and is then conveyed into the feeding channel 7 through the receiving groove 14.
Preferably, the automatic feeding tray 1 can be installed at the top of the machine base, the blanking channel 13 is fixedly installed on the machine base and is obliquely downwards arranged towards the feeding device 2, the blanking channel 13 penetrates into a processing cavity of the processing equipment from the top of the machine base, and the material receiving groove 14 groove is also obliquely downwards arranged towards the feeding channel 7 by arranging the automatic feeding tray 1 at the top of the machine base, so that a workpiece can sequentially slide into the feeding channel 7 along the blanking channel 13 and the material receiving groove under the action of self gravity without providing additional power.
The bottom end of the blanking channel 13 can be provided with a control valve body 15 for controlling the opening and closing of the channel, and when the slide seat 4 or the slide plate 5 moves so that the end part of the receiving groove 14 does not correspond to the end part of the blanking channel 13, the blanking channel 13 can be closed by the control valve body 15, so that the workpiece which is reversed falls out from the blanking channel 13.
The three-jaw chuck can be installed on the main shaft of the processing equipment, the second cylinder is installed in the middle of the three-jaw chuck, when a workpiece is processed, the workpiece is clamped by the three clamping jaws of the three-jaw chuck, after one end of the workpiece is processed, the clamping jaws are loosened, and the workpiece is pushed into the reversing channel 12 by the second cylinder in the middle of the three clamping jaws.
The feed opening 10 can be provided with a first locking cylinder 16 for fixing the workpiece in the feed channel 7, the first locking cylinder 16 is fixedly arranged on the first seat body, and a piston rod of the first locking cylinder 16 stretches into the feed channel 7 to clamp the workpiece conveyed to the discharge opening 18, so that the phenomenon that the workpiece falls off from the discharge opening 18 in the moving process of the sliding seat 4 or the sliding plate 5 is prevented.
Further, the second seat 11 may include an upper seat and a lower seat, the top of the lower seat is provided with a first groove of a U shape, the bottom of the upper seat is provided with a second groove of a U shape, the first groove and the second groove are spliced to form a U-shaped reversing channel 12, the second seat 11 adopts a split type design, so that the reversing channel 12 is convenient to process, the reversing channel 12 includes a feed inlet 17 and a discharge outlet 18 which are respectively arranged at two ends, and the feed inlet 17 and the discharge outlet 18 may also be both provided with a second locking cylinder 19 for fixing a workpiece in the reversing channel 12, so that the workpiece at the feed inlet 17 and the discharge outlet 18 can be clamped, thereby preventing the phenomenon that the workpiece falls from the feed inlet 17 or the discharge outlet 18 in the moving process of the slide 4 or the slide 5.
The inner wall of the feeding channel 7 can be uniformly distributed and encircled to be provided with a plurality of convex strips 20 matched with the outer side wall of the workpiece, the convex strips 20 are arranged along the length direction of the feeding channel 7, the two ends of each convex strip are flush with the port of the feeding channel 7, a first clearance groove 21 is formed between two adjacent convex strips 20, and the contact area between the workpiece and the feeding channel 7 can be reduced by being provided with the first clearance groove 21, so that the resistance of the workpiece in the conveying process is reduced, and the workpiece is smoother in conveying.
Further, the surface of the convex strip 20 abutting against the workpiece can be concavely provided with a second clearance groove 22, the second clearance groove 22 is arranged along the length direction of the convex strip 20, and two ends of the second clearance groove 22 extend to two ends of the convex strip 20, and the contact area with the workpiece is further reduced by arranging the second clearance groove 22.
Preferably, the inner wall of the reversing channel 12 can be uniformly and circumferentially provided with a plurality of third clearance grooves 23, the third clearance grooves 23 are arranged along the length direction of the reversing channel 12, two ends of each third clearance groove are flush with the ports of the reversing channel 12, and scraps or waste liquid on the surface of the processed workpiece can be stored in the third clearance grooves 23, so that the phenomenon that the scraps and the waste liquid remain between the surface of the workpiece and the inner wall of the reversing channel 12 to prevent the movement of the workpiece in the reversing channel 12 is avoided.
The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and any modifications or equivalent substitutions without departing from the spirit and scope of the present invention should be covered in the scope of the technical solution of the present invention.
Claims (10)
1. An automatic material changing mechanism for numerical control machining equipment is characterized by comprising an automatic material feeding disc (1), a material feeding channel, a material feeding device (2), a material changing device (3), a sliding seat (4) and a sliding plate (5), wherein the material feeding device (2) comprises a first seat body (6) arranged on the sliding plate (5), the first seat body (6) is provided with a material feeding channel (7) and a first air cylinder (8), the material feeding channel (7) comprises a material receiving opening (9) and a material feeding opening (10) corresponding to a main shaft of the machining equipment, the first air cylinder (8) can drive a workpiece to move towards the material feeding opening (10) from the material receiving opening (9), one end of the material feeding channel corresponds to the automatic material feeding disc (1), the other end corresponds to the material receiving opening (9), the material changing device (3) comprises a second air cylinder and a second seat body (11) arranged on the sliding plate (5), the second seat body (11) is provided with a U-shaped reversing channel (12), a second air cylinder drives a workpiece to move in the reversing channel (12), and the workpiece can be connected with the main shaft (4) along the sliding direction of the main shaft (5) along the movable direction of the sliding seat (4) along the movable direction of the main shaft.
2. The automatic material changing mechanism for the numerical control machining equipment according to claim 1, wherein the feeding channel comprises a blanking channel (13) and a material receiving groove (14), one end of the blanking channel (13) corresponds to a blanking port of the automatic feeding disc (1), the other end corresponds to one end of the material receiving groove (14), and the other end of the material receiving groove (14) is fixedly arranged on the first base body (6) and corresponds to the material receiving port (9).
3. An automatic feed mechanism for numerical control machining equipment according to claim 2, characterized in that the automatic feed tray (1) is mounted on the top of the machine base, and the blanking channel (13) is fixedly mounted on the machine base and is arranged obliquely downwards towards the feeding device (2).
4. An automatic material changing mechanism for numerical control machining equipment according to claim 3, characterized in that the bottom end of the blanking channel (13) is provided with a control valve body (15) for controlling the opening and closing of the channel.
5. An automatic feed mechanism for a numerical control machining apparatus according to claim 1, wherein a three-jaw chuck is mounted on a spindle of the machining apparatus, and the second cylinder is mounted in a middle portion of the three-jaw chuck.
6. An automatic feed mechanism for a numerical control machining device according to claim 1, characterized in that the feed opening (10) is provided with a first locking cylinder (16) for securing the workpiece in the feed channel (7).
7. An automatic feed mechanism for a numerical control machining device according to claim 1, characterized in that the reversing channel (12) comprises a feed port (17) and a discharge port (18) arranged at both ends respectively, the feed port (17) and the discharge port (18) being provided with a second locking cylinder (19) for fixing the workpiece in the reversing channel (12).
8. The automatic material changing mechanism for the numerical control machining equipment according to claim 1, wherein a plurality of raised strips (20) matched with the outer side walls of the workpieces are uniformly distributed and circumferentially arranged on the inner wall of the feeding channel (7), the raised strips (20) are arranged along the length direction of the feeding channel (7) and the two ends of the raised strips are flush with the ports of the feeding channel (7), and a first empty avoiding groove (21) is formed between two adjacent raised strips (20).
9. The automatic material changing mechanism for the numerical control machining equipment according to claim 8, wherein the surface of the raised strip (20) abutted against the workpiece is concavely provided with a second clearance groove (22), the second clearance groove (22) is arranged along the length direction of the raised strip (20), and two ends of the second clearance groove extend to two end parts of the raised strip (20) respectively.
10. The automatic material changing mechanism for the numerical control machining equipment according to claim 1, wherein a plurality of third empty avoiding grooves (23) are uniformly distributed and circumferentially arranged on the inner wall of the reversing channel (12), the third empty avoiding grooves (23) are arranged along the length direction of the reversing channel (12), and two ends of the third empty avoiding grooves are flush with the ports of the reversing channel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986046.3A CN108942364B (en) | 2018-08-28 | 2018-08-28 | Automatic material changing mechanism for numerical control machining equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986046.3A CN108942364B (en) | 2018-08-28 | 2018-08-28 | Automatic material changing mechanism for numerical control machining equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108942364A CN108942364A (en) | 2018-12-07 |
| CN108942364B true CN108942364B (en) | 2023-11-17 |
Family
ID=64474309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810986046.3A Active CN108942364B (en) | 2018-08-28 | 2018-08-28 | Automatic material changing mechanism for numerical control machining equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108942364B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3237855A1 (en) * | 1982-10-13 | 1984-05-10 | Deutsche Industrieanlagen GmbH, 1000 Berlin | Method of automatically machining workpieces |
| CN102699774A (en) * | 2012-06-03 | 2012-10-03 | 浙江金火科技实业有限公司 | Dual-station automatic machining machine tool and using method thereof |
| CN204430734U (en) * | 2015-02-09 | 2015-07-01 | 李小南 | A kind of button micelle spring automatic assembling machine |
| CN107512537A (en) * | 2017-09-04 | 2017-12-26 | 东莞市鹏煜威高智能科技有限公司 | A kind of automatic charging device and its charging method |
| CN208895702U (en) * | 2018-08-28 | 2019-05-24 | 江门市蓬江区星硕方数控设备有限公司 | A kind of automatic material changing mechanism for numerically controlled processing equipment |
-
2018
- 2018-08-28 CN CN201810986046.3A patent/CN108942364B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3237855A1 (en) * | 1982-10-13 | 1984-05-10 | Deutsche Industrieanlagen GmbH, 1000 Berlin | Method of automatically machining workpieces |
| CN102699774A (en) * | 2012-06-03 | 2012-10-03 | 浙江金火科技实业有限公司 | Dual-station automatic machining machine tool and using method thereof |
| CN204430734U (en) * | 2015-02-09 | 2015-07-01 | 李小南 | A kind of button micelle spring automatic assembling machine |
| CN107512537A (en) * | 2017-09-04 | 2017-12-26 | 东莞市鹏煜威高智能科技有限公司 | A kind of automatic charging device and its charging method |
| CN208895702U (en) * | 2018-08-28 | 2019-05-24 | 江门市蓬江区星硕方数控设备有限公司 | A kind of automatic material changing mechanism for numerically controlled processing equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108942364A (en) | 2018-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104259876A (en) | Self-centering clamp | |
| CN115555591B (en) | Valve core processing machine tool | |
| CN215033734U (en) | Chuck with adjustable clamping length for machine tool | |
| CN113510420A (en) | Intelligent welding system | |
| CN101767209A (en) | Automatic feeding device for numerically controlled lathe | |
| CN108942364B (en) | Automatic material changing mechanism for numerical control machining equipment | |
| CN215546019U (en) | Intelligent welding system | |
| CN114211384A (en) | Automatic deburring machine for copper pipe and control method thereof | |
| CN112387848B (en) | Rapid bar cutting machine and cutting method thereof | |
| CN109877368B (en) | Multifunctional automatic tool changing milling machine | |
| CN108972118B (en) | Efficient and safe numerical control machining equipment | |
| CN116352126A (en) | Shaft piece drilling device | |
| CN215973818U (en) | Automatic feeding device | |
| CN211332144U (en) | Horizontal drilling beveler | |
| CN114850995A (en) | Double-ended grinding machine | |
| CN211386932U (en) | Numerical control automatic lathe for special-shaped granular materials | |
| CN208895189U (en) | A kind of CNC lathe | |
| CN209773472U (en) | Automatic numerical control lathe | |
| CN207971573U (en) | A kind of Special Automatic sub-material cutting machine of injection molding machine | |
| CN218362153U (en) | Chuck structure for numerical control machine tool | |
| CN114101763B (en) | Double-end-face machining device for large nut | |
| CN214489822U (en) | Visual positioning device for feeding and discharging of machine tool | |
| CN210789242U (en) | Feeding device for inclined lathe bed machine tool and inclined lathe bed machine tool | |
| CN110666191A (en) | Machine tool for turning outer circle | |
| CN205751947U (en) | A kind of vacuum interrupter automatic rolling assembling fairlead equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |