CN111014731A - Automatic processing device for bearing outer ring blank production - Google Patents
Automatic processing device for bearing outer ring blank production Download PDFInfo
- Publication number
- CN111014731A CN111014731A CN201911344140.XA CN201911344140A CN111014731A CN 111014731 A CN111014731 A CN 111014731A CN 201911344140 A CN201911344140 A CN 201911344140A CN 111014731 A CN111014731 A CN 111014731A
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- China
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- fixedly connected
- servo motor
- box body
- processing device
- hydraulic chuck
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/14—Cutting-off lathes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B13/00—Arrangements for automatically conveying or chucking or guiding stock
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/24—Chucks characterised by features relating primarily to remote control of the gripping means
- B23B31/30—Chucks characterised by features relating primarily to remote control of the gripping means using fluid-pressure means in the chuck
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses an automatic processing device for producing bearing outer ring blanks, which comprises a box body, wherein a first mounting plate is fixed at the upper end of the box body, a first servo motor is connected at the upper end of the first mounting plate, an output shaft of the first servo motor is in keyed connection with a first belt pulley, the lower end of the first belt pulley is in transmission connection with a second belt pulley, a connecting rod is fixed at the center of the second belt pulley and is rotatably connected with the front side wall of the box body, a first hydraulic chuck is fixed at one end of the connecting rod through a bolt, raw materials are clamped in the first hydraulic chuck, a recovery box is arranged right below the first hydraulic chuck and is placed on the ground, a cutting mechanism is arranged at one side of the first hydraulic chuck and is fixed at the outer side of the front end of the box body, an automatic feeding mechanism is arranged at the rear end of the connecting rod and is positioned in the box body to realize automatic feeding and automatic cutting, the working efficiency is high, the processing precision is high, and the consistency is good.
Description
Technical Field
The invention belongs to the technical field of bearing processing devices, and particularly relates to an automatic processing device for bearing outer ring blank production.
Background
The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision. The bearing mainly comprises a bearing inner ring, a bearing outer ring, a roller and a retainer, wherein the bearing outer ring is simply a circular metal ring, and a round rod needs to be cut off to obtain a blank of the outer ring.
The existing Chinese patent with publication number CN201810494428 discloses a bearing outer ring auxiliary processing device, which comprises a machine body, wherein the side face of the machine body is a base, a motor is installed in the machine body in a bolt fixing mode, an output shaft of the motor is connected with a speed reducer fixed in the machine body through a bolt, a rotating shaft on the speed reducer is fixedly connected with a three-jaw chuck through a bolt, an installation shaft is installed in the three-jaw chuck, and an extrusion block and a striking block are sleeved on the installation shaft.
Although the processing of the bearing outer ring stock of realization of above-mentioned patent, the last unloading of whole device cuts processing and needs artifical manually operation device to realize, and work efficiency is low, the security, and workman's the amount of labour is big, and the manual operation precision has the error moreover for the product is scrapped to appear, for this reason, we propose a bearing outer ring stock production and use automatic processing device to solve the problem that exists among the prior art.
Disclosure of Invention
The invention aims to provide an automatic processing device for bearing outer ring blank production, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automatic processing device for producing bearing outer ring blanks comprises a box body, wherein a first mounting plate is fixedly connected to the front side of the upper end of the box body, a first servo motor is fixedly connected to the upper end of the first mounting plate through a bolt, a first belt pulley is connected to the end part of an output shaft of the first servo motor in a key mode, a second belt pulley is connected to the lower end of the first belt pulley through a conveying belt in a transmission mode, a connecting rod is fixedly connected to the center of the second belt pulley and rotatably connected with the front side wall of the box body through a bearing, a first hydraulic chuck is fixedly connected to the end part, far away from the second belt pulley, of the connecting rod through a bolt, raw materials are clamped in the first hydraulic chuck, a recycling box is arranged right below the first hydraulic chuck and placed on the ground, and a cutting mechanism is arranged on one side of the first hydraulic chuck, the cutting mechanism is fixed on the outer side of the front end of the box body, the automatic feeding mechanism is arranged at the rear end of the connecting rod, and the automatic feeding mechanism is located inside the box body.
Preferably, the cutting mechanism comprises a mounting frame, the mounting frame is welded on the outer wall of the front end of the box body, a second mounting plate is fixedly connected to the rear side of the upper end of the mounting frame through bolts, a second servo motor is fixedly connected to the second mounting plate through bolts, a first lead screw is fixedly connected to the end portion of an output shaft of the second servo motor, a supporting block is connected to the end portion, far away from the second servo motor, of one end of the first lead screw in a rotating mode through a bearing, and the supporting block is fixed to the mounting frame through bolts.
Preferably, the first screw rod is connected with a first moving seat in a threaded transmission mode, the upper end of the first moving seat is fixedly connected with an installation seat through a bolt, the front end of the installation seat is fixedly connected with a cutting blade, two sides of the first moving seat are slidably connected with first guide rods, and two ends of each first guide rod are fixedly connected to the second installation plate and the support block respectively.
Preferably, the automatic feeding mechanism comprises a third servo motor, the third servo motor is fixedly connected to the outer side of the rear end of the box body through a bolt, a second lead screw is fixedly connected to the end portion of an output shaft of the third servo motor, and one end portion, far away from the third servo motor, of the second lead screw is rotatably connected with the side wall of the front end of the box body through a bearing.
Preferably, screw thread transmission is connected with the second and removes the seat on the second lead screw, the bottom fixedly connected with slider that the seat was removed to the second, sliding connection has the guide rail in the slider, the inside bottom at the box is fixed to the guide rail, the one end that third servo motor was kept away from to the guide rail is provided with the stopper, the stopper passes through bolt fixed connection in the inside front side of box, the second removes the one side rotation that the upper end of seat is close to the second belt pulley and is connected with the second hydraulic chuck, the rear end tip of tight raw materials of second hydraulic chuck clamp, the lower extreme both sides sliding connection that the seat was removed to the second has the second guide bar, second guide bar fixed connection is on the inner wall of box.
Preferably, one side of the second movable seat is welded with a mark block, one side of the box body is provided with a sliding groove matched with the mark block, and the mark block slides in the sliding groove.
Preferably, a protective cover is arranged on the outer side of the first servo motor and fixedly connected to the first mounting plate through bolts.
Preferably, the four corners of the bottom end of the box body are fixedly connected with a base through bolts, and the base is in contact with the ground.
The invention has the technical effects and advantages that: compared with the prior art, the automatic processing device for producing the bearing outer ring blank provided by the invention has the following advantages:
1. according to the automatic cutting machine, two ends of a raw material are clamped through the matching of the first hydraulic chuck and the second hydraulic chuck, then the first servo motor drives the connecting rod to rotate through the transmission of the belt pulley, the connecting rod drives the first hydraulic chuck to rotate, the first hydraulic chuck drives the raw material and the second hydraulic chuck to rotate, then the cutting mechanism drives the cutting blade to realize contact with the raw material, and further the raw material is automatically cut, manual operation is not needed, automatic cutting is realized, the working efficiency is high, the safety is good, and the size consistency of a processed product is good;
2. the automatic feeding mechanism pushes the raw materials to move forwards, so that automatic feeding is realized when one product is cut and the next product is processed, manual feeding is not needed, the degree of automation is high, the time is saved, the feeding precision is accurate, the adjustment is convenient, the labor is saved, and the product manufacturing cost is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the invention at A;
FIG. 3 is an overall perspective view of the first embodiment of the present invention;
FIG. 4 is an overall perspective view of the second embodiment of the present invention;
fig. 5 is a structural view of the cutting mechanism of the present invention.
Reference numerals: 1. a box body; 2. a first mounting plate; 3. a first servo motor; 4. a first pulley; 5. a second pulley; 6. a connecting rod; 7. a first hydraulic chuck; 8. a cutting mechanism; 801. a mounting frame; 802. a second mounting plate; 803. a second servo motor; 804. a first lead screw; 805. a support block; 806. a first movable base; 807. a mounting seat; 808. cutting off the blade; 809. a first guide bar; 9. an automatic feeding mechanism; 901. a third servo motor; 902. a second lead screw; 903. a second movable base; 904. a slider; 905. a guide rail; 906. a second hydraulic chuck; 907. a second guide bar; 908. marking a block; 909. a chute; 910. a limiting block; 10. a recycling bin; 11. a protective cover; 12. a base.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an automatic processing device for bearing outer ring blank production, which comprises a box body 1, wherein the front side of the upper end of the box body 1 is fixedly connected with a first mounting plate 2, the upper end of the first mounting plate 2 is fixedly connected with a first servo motor 3 through a bolt, the end part of an output shaft of the first servo motor 3 is in key connection with a first belt pulley 4, the lower end of the first belt pulley 4 is in transmission connection with a second belt pulley 5 through a conveyor belt, the center of the second belt pulley 5 is fixedly connected with a connecting rod 6, the connecting rod 6 is in rotary connection with the front side wall of the box body 1 through a bearing, the end part, far away from the second belt pulley 5, of the connecting rod 6 is fixedly connected with a first hydraulic chuck 7 through a bolt, raw materials are clamped in the first hydraulic chuck 7, and a recovery box 10 is arranged right below the first hydraulic chuck 7, the recycling bin 10 is placed on the ground, one side of the first hydraulic chuck 7 is provided with a cutting mechanism 8, the cutting mechanism 8 is fixed on the outer side of the front end of the bin body 1, the rear end of the connecting rod 6 is provided with an automatic feeding mechanism 9, and the automatic feeding mechanism 9 is located inside the bin body 1.
Preferably, the blocking mechanism 8 includes a mounting frame 801, the mounting frame 801 is welded on the outer wall of the front end of the box body 1, a second mounting plate 802 is fixedly connected to the rear side of the upper end of the mounting frame 801 through a bolt, a second servo motor 803 is fixedly connected to the second mounting plate 802 through a bolt, a first lead screw 804 is fixedly connected to the end portion of the output shaft of the second servo motor 803, a supporting block 805 is rotatably connected to the end portion of the first lead screw 804 far away from the second servo motor 803 through a bearing, and the supporting block 805 is fixed on the mounting frame 801 through a bolt.
By adopting the technical scheme, the first screw 804 is rotated, preparation is made for subsequently driving the first movable seat 806, and the device is simple in structure and high in precision.
Preferably, a first moving seat 806 is connected to the first lead screw 804 in a threaded transmission manner, an installation seat 807 is fixedly connected to the upper end of the first moving seat 806 through a bolt, a cutting blade 808 is fixedly connected to the front end of the installation seat 807, first guide rods 809 are slidably connected to two sides of the first moving seat 806, and two ends of each first guide rod 809 are fixedly connected to the second installation plate 802 and the support block 805 respectively.
Through adopting above-mentioned technical scheme, realize that first removal seat 806 slides around along first lead screw 804, and then drive and cut the automatic back-and-forth movement of blade 808, and then realize cutting the contact and the separation of blade 808 and raw materials, realize automatic the cuting to automatic production outer lane stock, work efficiency is high, uses manpower sparingly, and first guide bar 809 guides first removal seat 806 along rectilinear movement, improves the precision.
Preferably, the automatic feeding mechanism 9 includes a third servo motor 901, the third servo motor 901 is fixedly connected to the outer side of the rear end of the box 1 through a bolt, an end portion of an output shaft of the third servo motor 901 is fixedly connected with a second lead screw 902, and an end portion of the second lead screw 902, which is far away from the third servo motor 901, is rotatably connected to the side wall of the front end of the box 1 through a bearing.
By adopting the technical scheme, the rotation of the second screw rod 902 is realized, the preparation is made for subsequently driving the second movable seat 903, the structure is simple, and the precision is high.
Preferably, a second moving seat 903 is connected to the second lead screw 902 in a threaded transmission manner, a sliding block 904 is fixedly connected to the bottom end of the second moving seat 903, a guide rail 905 is slidably connected to the sliding block 904, the guide rail 905 is fixed to the bottom end of the inside of the box body 1, a limiting block 910 is arranged at one end, away from the third servo motor 901, of the guide rail 905, the limiting block 910 is fixedly connected to the front side of the inside of the box body 1 through a bolt, a second hydraulic chuck 906 is rotatably connected to one surface, close to the second pulley 5, of the upper end of the second moving seat 903, the second hydraulic chuck 906 clamps the rear end portion of the raw material, second guide rods 907 are slidably connected to two sides of the lower end of the second moving seat 903, and the second guide rods 907 are fixedly connected to the inner wall of the.
Through adopting above-mentioned technical scheme, realize that the second removes seat 903 along guide rail 905 seesaw in box 1, and then the second hydraulic chuck 906 on the second removes seat 903 drives the rear end of raw materials pole and moves forward, and then has realized autoloading, and work efficiency is high, and the pay-off precision is good, and second removes seat 903 along the rectilinear sliding during second guide bar 907 simultaneously, improves the precision.
Preferably, a marking block 908 is welded to one side of the second movable seat 903, a sliding groove 909 matched with the marking block 908 is formed in one side of the box body 1, and the marking block 908 slides in the sliding groove 909.
By adopting the technical scheme, the staff can judge the length of the residual raw material rod by observing the position of the marking block 908 in the sliding groove 909 at the outer side, so that the residual raw material rod is convenient to replace in time and convenient to work.
Preferably, a protective cover 11 is arranged on the outer side of the first servo motor 3, and the protective cover 11 is fixedly connected to the first mounting plate 2 through bolts.
Through adopting above-mentioned technical scheme, realize the protection to first servo motor 3.
Preferably, four corners of the bottom end of the box body 1 are fixedly connected with bases 12 through bolts, and the bases 12 are in contact with the ground.
Through adopting above-mentioned technical scheme, improve whole device's stability and fastness.
The working principle is as follows: firstly, inserting a raw material rod into a central hole of a first hydraulic chuck 7, then penetrating the raw material rod through a connecting rod 6 until the raw material rod is inserted into a second hydraulic chuck 906, and then enabling the second hydraulic chuck 906 to clamp the rear end of the raw material rod;
then, a third servo motor 901 is started, the third servo motor 901 drives a second lead screw 902 to rotate, the second lead screw 902 drives a second moving seat 903 to move backwards along a second guide rod 907, a second hydraulic chuck 906 on the second moving seat 903 drives the raw material rod to move backwards, the third servo motor 901 stops working until the front end of the raw material rod is longer than a preset numerical value at the front end of a first hydraulic chuck 7, and then the first hydraulic chuck 7 clamps the front end of the raw material rod;
then the first servo motor 3 drives the first belt pulley 4 to rotate, the first belt pulley 4 drives the second belt pulley 5 to rotate through the conveyor belt, the second belt pulley 5 drives the connecting rod 6 to rotate, the connecting rod 6 drives the first hydraulic chuck 7 to rotate, and the first hydraulic chuck 7 drives the raw material rod and the second hydraulic chuck 906 to rotate;
then second servo motor 803 drives first lead screw 804 rotatory, and then first lead screw 804 drives first removal seat 806 and moves along first guide bar 809 forward, and then first removal seat 806 drives cuts blade 808 and moves forward, and then cuts blade 808 and the contact of rotatory raw material pole, along with cutting blade 808 continue to advance the realization to the truncation of raw material pole, until cutting the stock on the raw material pole and fall off, the outer lane stock falls into the collection box 10 of below, the subsequent collection of concentrating of being convenient for. Then the second servo motor 803 reverses, and the chopping blade 808 moves backwards to open the raw material rod back to the initial position;
then the first servo motor 3 stops working, enters the first hydraulic chuck 7 and the raw material rod to stop rotating, then the first hydraulic chuck 7 is loosened, the third servo motor 901 rotates reversely, the second moving seat 903 is driven to slide forwards for a preset distance, then the third servo motor 901 stops working, the first hydraulic chuck 7 clamps the raw material rod, the first servo motor 3 works to drive the raw material rod to rotate, the cutting mechanism 8 continues cutting, and the circular working is performed in sequence;
finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides an automatic processing device is used in production of bearing inner race stock, includes box (1), its characterized in that: the upper end front side of the box body (1) is fixedly connected with a first mounting plate (2), the upper end of the first mounting plate (2) is fixedly connected with a first servo motor (3) through a bolt, the output shaft end part of the first servo motor (3) is in key connection with a first belt pulley (4), the lower end of the first belt pulley (4) is connected with a second belt pulley (5) through a conveyor belt in a transmission way, the center of the second belt pulley (5) is fixedly connected with a connecting rod (6), the connecting rod (6) is in rotary connection with the front side wall of the box body (1) through a bearing, one end part of the connecting rod (6) far away from the second belt pulley (5) is fixedly connected with a first hydraulic chuck (7) through a bolt, a raw material is clamped in the first hydraulic chuck (7), and a recovery box (10) is arranged under the first hydraulic chuck (7), the recycling bin (10) is placed on the ground, one side of the first hydraulic chuck (7) is provided with a cut-off mechanism (8), the cut-off mechanism (8) is fixed on the outer side of the front end of the box body (1), the rear end of the connecting rod (6) is provided with an automatic feeding mechanism (9), and the automatic feeding mechanism (9) is located inside the box body (1).
2. The automatic processing device for producing bearing outer ring blanks according to claim 1, wherein: the cutting mechanism (8) comprises a mounting frame (801), the mounting frame (801) is welded to the outer wall of the front end of the box body (1), a second mounting plate (802) is fixedly connected to the rear side of the upper end of the mounting frame (801) through bolts, a second servo motor (803) is fixedly connected to the second mounting plate (802) through bolts, a first lead screw (804) is fixedly connected to the end portion of an output shaft of the second servo motor (803), one end portion, far away from the second servo motor (803), of the first lead screw (804) is rotatably connected with a supporting block (805) through a bearing, and the supporting block (805) is fixed to the mounting frame (801) through bolts.
3. The automatic processing device for producing bearing outer ring blanks according to claim 2, wherein: the screw thread transmission is connected with first removal seat (806) on first lead screw (804), bolt fixedly connected with mount pad (807) is passed through to the upper end of first removal seat (806), the front end fixedly connected with of mount pad (807) cuts blade (808), the both sides sliding connection of first removal seat (806) has first guide bar (809), the both ends difference fixed connection of first guide bar (809) is on second mounting panel (802) and supporting shoe (805).
4. The automatic processing device for producing bearing outer ring blanks according to claim 1, wherein: the automatic feeding mechanism (9) comprises a third servo motor (901), the third servo motor (901) is fixedly connected to the outer side of the rear end of the box body (1) through bolts, the end part of an output shaft of the third servo motor (901) is fixedly connected with a second lead screw (902), and the end part, far away from the third servo motor (901), of the second lead screw (902) is rotatably connected with the side wall of the front end of the box body (1) through a bearing.
5. The automatic processing device for producing bearing outer ring blanks according to claim 4, wherein: a second movable seat (903) is connected to the second screw rod (902) in a threaded transmission manner, a sliding block (904) is fixedly connected to the bottom end of the second movable seat (903), a guide rail (905) is connected in the sliding block (904) in a sliding way, the guide rail (905) is fixed at the bottom end in the box body (1), a limiting block (910) is arranged at one end of the guide rail (905) far away from the third servo motor (901), the limiting block (910) is fixedly connected to the front side of the interior of the box body (1) through bolts, a second hydraulic chuck (906) is rotatably connected to one surface of the upper end of the second movable seat (903) close to the second belt pulley (5), the second hydraulic chuck (906) clamps the rear end part of the raw material, the two sides of the lower end of the second movable seat (903) are connected with second guide rods (907) in a sliding manner, the second guide rod (907) is fixedly connected to the inner wall of the box body (1).
6. The automatic processing device for producing bearing outer ring blanks according to claim 5, wherein: one side of the second movable seat (903) is welded with a mark block (908), one side of the box body (1) is provided with a sliding groove (909) matched with the mark block (908), and the mark block (908) slides in the sliding groove (909).
7. The automatic processing device for producing bearing outer ring blanks according to claim 1, wherein: the outside of first servo motor (3) is provided with safety cover (11), safety cover (11) pass through bolt fixed connection on first mounting panel (2).
8. The automatic processing device for producing bearing outer ring blanks according to claim 1, wherein: the bottom four corners position of box (1) all is through bolt fixedly connected with base (12), base (12) and ground contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344140.XA CN111014731A (en) | 2019-12-24 | 2019-12-24 | Automatic processing device for bearing outer ring blank production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344140.XA CN111014731A (en) | 2019-12-24 | 2019-12-24 | Automatic processing device for bearing outer ring blank production |
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| Publication Number | Publication Date |
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| CN111014731A true CN111014731A (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911344140.XA Pending CN111014731A (en) | 2019-12-24 | 2019-12-24 | Automatic processing device for bearing outer ring blank production |
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| CN207138868U (en) * | 2017-07-20 | 2018-03-27 | 福建上杭太阳铜业有限公司 | A kind of special-shaped oxygen-free copper bar traction cutter device |
| CN207770999U (en) * | 2018-01-09 | 2018-08-28 | 江苏正合重工有限公司 | Square tube numerical control cutting machine |
| CN109175730A (en) * | 2018-10-31 | 2019-01-11 | 山东泰鹏智能家居股份有限公司 | The more chuck cutter devices of completely mobile and method |
| CN110561124A (en) * | 2019-08-28 | 2019-12-13 | 西安航空职业技术学院 | Metal bar stock blanking device and method |
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- 2019-12-24 CN CN201911344140.XA patent/CN111014731A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201267916Y (en) * | 2008-10-21 | 2009-07-08 | 深圳市星辰激光技术有限公司 | Automatic pipe material rotating and feeding device for laser cutting machine tool |
| CN204035798U (en) * | 2014-07-28 | 2014-12-24 | 深圳迪能激光设备有限公司 | Pipe fitting automatic charging laser cutting machine |
| CN205629400U (en) * | 2016-05-26 | 2016-10-12 | 黄河科技学院 | Numerical control lathe with automatic feeding function |
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| CN207138868U (en) * | 2017-07-20 | 2018-03-27 | 福建上杭太阳铜业有限公司 | A kind of special-shaped oxygen-free copper bar traction cutter device |
| CN207770999U (en) * | 2018-01-09 | 2018-08-28 | 江苏正合重工有限公司 | Square tube numerical control cutting machine |
| CN109175730A (en) * | 2018-10-31 | 2019-01-11 | 山东泰鹏智能家居股份有限公司 | The more chuck cutter devices of completely mobile and method |
| CN110561124A (en) * | 2019-08-28 | 2019-12-13 | 西安航空职业技术学院 | Metal bar stock blanking device and method |
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Application publication date: 20200417 |
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