CN213258351U - Feeding device of numerical control machine tool - Google Patents
Feeding device of numerical control machine tool Download PDFInfo
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- CN213258351U CN213258351U CN202021227498.2U CN202021227498U CN213258351U CN 213258351 U CN213258351 U CN 213258351U CN 202021227498 U CN202021227498 U CN 202021227498U CN 213258351 U CN213258351 U CN 213258351U
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- 239000000463 material Substances 0.000 claims abstract description 11
- 238000005192 partition Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000002994 raw material Substances 0.000 abstract description 28
- 238000003913 materials processing Methods 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 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
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Abstract
The utility model relates to a digit control machine tool technical field just discloses a digit control machine tool material feeding unit, which comprises a base, base left side middle part and push rod fixed connection, the bottom of base inner wall and the lateral wall fixed connection of bottom plate, the bottom and the gyro wheel of bottom plate rotate to be connected, the bottom plate top is provided with the baffle, the lateral wall of baffle and the inside wall fixed connection of base, the top of baffle and the bottom fixed connection of second motor. This digit control machine tool material feeding unit through setting up the clamping device who comprises parts such as punch holder, pneumatic cylinder, U type dwang and a plurality of pivot for punch holder grasps the raw materials during the pay-off, stability when improving the pay-off, through setting up the telescopic link, makes clamping device can follow the raw materials and move forward, and after the raw materials processing was accomplished, can take back the raw materials after processing, and convenient processing afterwards improves the work efficiency of digit control machine tool.
Description
Technical Field
The utility model relates to a digit control machine tool technical field specifically is a digit control machine tool material feeding unit.
Background
The numerically controlled machine tool is a numerically controlled machine tool, and is an automatic machine tool with program control system, which can logically process and decode the program defined by control code or other symbolic instructions, and the decoded program is represented by coded numbers, and then input into a numerically controlled device through an information carrier, and the numerically controlled device sends out various control signals through operation processing to control the action of the machine tool, so that the parts can be automatically machined according to the shape and size required by the drawing. However, the feeding speed of the feeding device of the numerical control machine tool in the current market is low when the feeding device is used, and the actual requirement of mechanical processing cannot be met, so that the mechanical processing efficiency is reduced; meanwhile, in the feeding process, the deviation of the required processing raw materials from the inherent position often occurs, so that the numerical control machine cannot be effectively clamped, and a great deal of inconvenience is brought to workers.
Chinese patent publication No. CN210756662U proposes a numerical control machine tool feeding device, which comprises a base, the surface of the base is provided with a movable wheel, the inner cavity of the side wall of the base is provided with a driving motor, the output end of the driving motor is provided with a driving gear, the side surface of the driving gear is meshed with a transmission gear, the middle part of the transmission gear is provided with a conveying rod, the middle part of the conveying rod is provided with a conveying belt, the inner cavity of the side wall of the base, which is positioned at the side surface of the driving motor, is provided with a transmission motor, the output end of the transmission motor is provided with a turntable, the top of the turntable is fixed with a movable rod, one end of the movable rod is provided with a dial, the top of the dial is provided with a control block, one end of the movable rod, which, adjust the one end threaded connection of pole and have the tray, the auxiliary motor is installed to the inner chamber of tray, and the auxiliary wheel is installed to the output of auxiliary motor, and this utility model has that the pay-off is fast, and machining efficiency is high, can correct behind the skew track of processing raw materials, makes things convenient for the digit control machine tool to fix. However, the feeding device of the numerical control machine tool can only feed materials but cannot take back the materials, and the materials are manually put back into the feeding device after the materials are processed, so that the working efficiency of the numerical control machine tool is affected.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a feeding device of numerical control machine tool has solved current feeding device of numerical control machine tool and can only pay-off and can't take back, still needs manually to put back feeding device with the raw materials after the raw materials processing finishes, influences the problem of the work efficiency of numerical control machine tool.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a feeding device of a numerical control machine tool comprises a base, wherein the middle part of the left side of the base is fixedly connected with a push rod, the bottom of the inner wall of the base is fixedly connected with the outer side wall of a bottom plate, the bottom of the bottom plate is rotatably connected with rollers, a partition plate is arranged above the bottom plate, the outer side wall of the partition plate is fixedly connected with the inner side wall of the base, the top of the partition plate is fixedly connected with the bottom of a second motor, the output end of the second motor is fixedly connected with the bottom of a rotary column positioned right above the second motor, the top of the partition plate is rotatably connected with the bottoms of three rotary columns except the second motor, the outer side wall of the bottom of each rotary column is respectively fixedly connected with the inner walls of four groups of gears, chains are arranged above the partition plate and are in transmission connection with the four groups of gears, the inner walls of the rotary columns are in, the top of the supporting plate is fixedly connected with the bottom of the tray, a plurality of groups of auxiliary wheels are arranged in the tray inner cavity at equal intervals, the auxiliary wheels are rotatably connected with the tray, the inner cavity of the tray is provided with an output end of a first motor and fixedly connected with an auxiliary rotating shaft, the auxiliary rotating shaft penetrates through the tray and is fixedly connected with one group of auxiliary wheels, the inner wall of the rear side of the base is fixedly connected with the rear ends of two groups of telescopic rods, the front ends of the two groups of telescopic rods are fixedly connected with the upper clamping plate, a pneumatic cylinder is arranged between the two groups of telescopic rods, the bottom of the pneumatic cylinder is fixedly connected with the top of the sliding plate, the output end of the pneumatic cylinder is fixedly connected with the rear end of a first rotating rod, the inner wall of the front side of the first rotating rod is rotatably connected with the outer side wall, the outer side wall on the right side of the first rotating rod is rotationally connected with the inner wall on the rear side of the second rotating rod, the front end on the right side of the second rotating rod is provided with a pulley which is connected with the top of the splint rotating shaft in a sliding way, the rear side of the splint rotating shaft is provided with a U-shaped rotating rod, the inner wall of the U-shaped rotating rod is provided with a sliding groove, the top of the rear side of the splint rotating shaft is connected with the sliding groove in a sliding way, the front end of the bottom of the left side of the U-shaped rotating rod is fixedly connected with the right end of the connecting rod, the left end of the connecting rod is fixedly connected with the lower clamping plate, the middle end of the bottom of the left side of the U-shaped rotating rod is rotationally connected with the right end of the second rotating shaft, the left end of the second rotating shaft is fixedly connected with the right end of the rotating block, the left end of rotatory piece is rotated with the right side of fixed block and is connected, the front side of fixed block and the rear side fixed connection of punch holder, the rear side of punch holder and the front end fixed connection of telescopic link.
Preferably, the outer side wall of the middle part of the telescopic rod is fixedly connected with the inner wall of the auxiliary block, the height of the bottom of the auxiliary block is the same as that of the bottom of the lower clamping plate, and the length of the auxiliary block is larger than the distance required by feeding.
Preferably, the top of the inner wall of the left side and the top of the inner wall of the right side of the base are respectively fixedly connected with the two groups of sliding rails, the part of the bottom of each sliding rail, which is positioned right above the corresponding tray, is provided with an inlet groove, the inlet grooves penetrate through the sliding rails, and the height of the inner wall of each sliding rail is equal to that of the corresponding tray.
Preferably, the front end of the splint rotating shaft is provided with a cylindrical load, and the weight of the cylindrical load is greater than that of the U-shaped rotating rod.
Preferably, the front side of the sliding plate is welded with two fixing rods extending to two sides of the first rotating shaft, and the front ends of the two fixing rods, which are close to the first rotating shaft, are rotatably connected with the first rotating shaft.
Preferably, the top of the inner wall of the rotating column and the middle of the outer wall of the screw rod are respectively welded with height limiting pieces, and the height difference between the height limiting pieces is equal to the height difference between the top of the tray and the top of the inner wall of the sliding rail.
(III) advantageous effects
Compared with the prior art, the utility model provides a digit control machine tool material feeding unit possesses following beneficial effect:
1. this digit control machine tool material feeding unit, through setting up the clamping device who comprises parts such as punch holder, lower plate, pneumatic cylinder, U type dwang and first pivot for punch holder cooperation lower plate grasps the raw materials during the pay-off, stability when improving the pay-off, through setting up the telescopic link, make clamping device can follow the raw materials and move forward, and after the raw materials processing was accomplished, can take back the raw materials after processing, make follow-up work more simple and convenient, improve the work efficiency of digit control machine tool.
2. This digit control machine tool material feeding unit is through setting up heavy burden at splint pivot front end to set up this heavy burden weight and be greater than U type dwang, make the lower plate can correctly be closed, through set up the limit for height piece that highly equals tray to slide rail height between column spinner and lead screw, avoid the tray to rise to slide rail department back lead screw continuation rotation and lead to the fact the damage to the device.
Drawings
FIG. 1 is a schematic bottom structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the structure of the clamping device of the present invention;
FIG. 4 is a schematic view of the structure at A in FIG. 1 according to the present invention;
FIG. 5 is a schematic view of the structure at B in FIG. 1 according to the present invention;
fig. 6 is a schematic structural diagram of the present invention at C in fig. 2.
In the figure: 1. a push rod; 2. a tray; 3. a support plate; 4. a lead screw; 5. a base; 6. a spin column; 7. A base plate; 8. a roller; 9. a slide rail; 10. a sliding plate; 11. a pneumatic cylinder; 12. a first rotating lever; 13. A first rotating shaft; 14. a second rotating lever; 15. a U-shaped rotating rod; 16. a second rotating shaft; 17. a connecting rod; 18. a splint rotating shaft; 19. a lower splint; 20. an upper splint; 21. an auxiliary block; 22. a telescopic rod; 23. rotating the block; 24. a fixed block; 25. an auxiliary wheel; 26. an auxiliary rotating shaft; 27. a first motor; 28. a gear; 29. a chain; 30. a partition plate; 31. a second motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a feeding device of a numerical control machine tool comprises a base 5, the middle part of the left side of the base 5 is fixedly connected with a push rod 1, the bottom of the inner wall of the base 5 is fixedly connected with the outer side wall of a bottom plate 7, the bottom of the bottom plate 7 is rotatably connected with a roller 8, a partition plate 30 is arranged above the bottom plate 7, the outer side wall of the partition plate 30 is fixedly connected with the inner side wall of the base 5, the bottom of the partition plate 30 is fixedly connected with a second motor 31, the output end of the second motor 31 is fixedly connected with the bottom of a rotary column 6 positioned right above the second motor, the top of the partition plate 30 is rotatably connected with the bottoms of three rotary columns 6 except the tops of the second motors 31, the outer side wall of the bottom of each rotary column 6 is respectively fixedly connected with the inner walls of four groups of gears 28, chains 29 are arranged above the partition plate 30, the chains 29 are in transmission connection with the four groups, the top of the supporting plate 3 is fixedly connected with the bottom of the tray 2, a plurality of groups of auxiliary wheels 25 are equidistantly arranged in the inner cavity of the tray 2, the auxiliary wheels 25 are rotatably connected with the tray 2, the inner cavity of the tray 2 is provided with a first motor 27, the output end of the first motor 27 is fixedly connected with an auxiliary rotating shaft 26, the auxiliary rotating shaft 26 penetrates through the tray 2 and is fixedly connected with one group of auxiliary wheels 25, the inner wall of the rear side of the base 5 is fixedly connected with the rear ends of two groups of telescopic rods 22, the front ends of the telescopic rods 22 are fixedly connected with the upper clamping plate 20, a pneumatic cylinder 11 is arranged between the two groups of telescopic rods 22, the bottom of the pneumatic cylinder 11 is fixedly connected with the top of the sliding plate 10, the output end of the pneumatic cylinder 11 is fixedly connected with the rear end of the first rotating rod 12, the inner wall of the front side of the first rotating rod 12, the lateral wall on first dwang 13 right side is rotated with the inner wall of second dwang 14 rear side and is connected, the front end on second dwang 14 right side is provided with the pulley, the top sliding connection of pulley and splint pivot 18, the rear side of splint pivot 18 is provided with U type dwang 15, the inner wall of U type dwang 15 is provided with the sliding tray, the top and the sliding tray sliding connection of splint pivot 18 rear side, the front end of U type dwang 15 left side bottom and the right-hand member fixed connection of connecting rod 17, the left end and the lower plate 19 fixed connection of connecting rod 17, the middle end of U type dwang 15 left side bottom and the right-hand member of second dwang 16 rotate and are connected, the left end of second pivot 16 and the right-hand member fixed connection of swivel block 23, the left end of swivel block 23 and the right side rotation of fixed block 24 are connected, the front side of fixed block and the rear side fixed connection of punch holder 20, the rear side of punch.
Specifically, in order to take back the processed raw materials, the outer side wall of the middle of the telescopic rod 22 is fixedly connected with the inner wall of the auxiliary block 21, the bottom height of the auxiliary block 21 is the same as that of the lower clamping plate 19, the length of the auxiliary block 21 is larger than the distance required by feeding, and after the raw materials are processed, the auxiliary block 21 and the auxiliary wheel 25 are matched to shrink the telescopic rod 22 to take back the raw materials.
Specifically, in order to enable the raw materials to smoothly enter the slide rails and slide along the slide rails, the top parts of the inner walls of the left side and the right side of the base 5 are respectively fixedly connected with the two groups of slide rails 9, the parts of the bottoms of the slide rails 9, which are positioned right above the raw materials, are provided with entering grooves, the entering grooves penetrate through the slide rails 9, and the height of the inner walls of the slide rails 9 is equal to that of the raw materials.
Specifically, in order to prevent the lower clamp plate 19 from being closed correctly after the pneumatic cylinder 11 is contracted, the front end of the clamp plate rotating shaft 18 is provided with a cylindrical load, the weight of the cylindrical load is larger than that of the U-shaped rotating rod 15, and the load makes the clamp plate rotating shaft 18 fall back after the pneumatic cylinder 11 is contracted, so that the U-shaped rotating rod 15 returns to the original position to close the lower clamp plate 19.
Specifically, in order to enable the pneumatic cylinder 11 to move forward along with the clamping device, two fixing rods extending to two sides of the first rotating shaft 13 are welded on the front side of the sliding plate 10, the front ends of the two fixing rods, which are close to the first rotating shaft 13, are rotatably connected with the first rotating shaft 13, and when the clamping device moves forward, the pneumatic cylinder 11 is driven by the sliding plate 10 to move forward along with the clamping device.
Specifically, in order to avoid the tray from continuously rising after rising to the slide rail, height limiting sheets are respectively welded at the top of the inner wall of the rotary column 6 and the middle of the outer wall of the screw rod 4, the height difference between the height limiting sheets is equal to the height difference between the top of the tray 2 and the top of the inner wall of the slide rail 9, and the tray cannot continuously rise after rising to the slide rail.
The working principle is as follows: during feeding, the slide rail 9 is adjusted to a position corresponding to a numerical control machine tool, the second motor 31 is started, the second motor 31 drives the rotary column 6 above the second motor to rotate, the gear 28 outside the rotary column 6 above the second motor 31 rotates along with the rotary column 6 and enables the chain 29 to roll, under the drive of the chain 29, other rotary columns 6 rotate along with the gear 28 outside the rotary column 6, so that the lead screw 4 pushes the support plate 3 and the tray 2 to ascend, when the tray 2 ascends to the slide rail 9, the lead screw 4 and the rotary column 6 stop rotating under the action of the height limiting sheet, the pneumatic cylinder 11 is started while the second motor 31 is started, the pneumatic cylinder 11 pushes the first rotary rod 12, the first rotary rod 12 drives the first rotary shaft 13 to rotate, the first rotary shaft 13 drives the second rotary rod 14 to rotate, the pulley at the front end of the right side of the second rotary rod 14 slides along the clamp plate rotary shaft 18, so that the support point of the rotary shaft 18 moves forward, under the action of a lever principle, the force applied by the U-shaped rotating rod 15 to the clamping plate rotating shaft 18 is larger than the force applied by a load, the top end of the U-shaped rotating rod 15 slides forwards along the clamping plate rotating shaft 18, the lower clamping plate 19 falls down, the tray 2 rises to the highest point, the front end of the pneumatic cylinder 11 contracts, so that the lower clamping plate 19 is closed, the raw material on the tray 2 is clamped, the first motor 27 is started, the first motor 27 drives the auxiliary rotating shaft 26 to rotate, the auxiliary rotating shaft 26 drives the auxiliary wheel 25 to rotate, the telescopic rod 22 extends, the clamping device moves forwards along with the raw material, the raw material is conveyed to the numerical control machine, after the raw material processing is completed, the first motor 27 rotates reversely, the auxiliary block 21 is driven to slide backwards, the telescopic rod 22 contracts, the clamping device drives the raw material to return, after the raw material returns to.
In conclusion, the feeding device for the numerical control machine tool is provided with the clamping device consisting of the upper clamping plate 20, the lower clamping plate 19, the pneumatic cylinder 11, the U-shaped rotating rod 15, the first rotating shaft 13 and the like, so that the upper clamping plate 20 is matched with the lower clamping plate 19 to clamp the raw materials during feeding, the stability during feeding is improved, by arranging the telescopic rod 22, the clamping device can move forwards along with the raw material, and after the raw material is processed, can take back the processed raw materials, so that the subsequent work is simpler and more convenient, the working efficiency of the numerical control machine tool is improved, by arranging a cylindrical load at the front end of the clamp plate rotating shaft 18 and arranging the weight of the load to be greater than that of the U-shaped rotating rod 15, the lower clamp plate 19 can be correctly closed, through set up the limit for height piece that highly equals tray 2 to slide rail 9 height between column spinner 6 and lead screw 4, avoid tray 2 to rise to slide rail 9 department back lead screw 4 to continue to rotate and cause the damage to the device.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a digit control machine tool material feeding unit, includes base (5), its characterized in that: the middle part of the left side of the base (5) is fixedly connected with the push rod (1), the bottom of the inner wall of the base (5) is fixedly connected with the outer side wall of the bottom plate (7), the bottom of the bottom plate (7) is rotatably connected with the rollers (8), a partition plate (30) is arranged above the bottom plate (7), the outer side wall of the partition plate (30) is fixedly connected with the inner side wall of the base (5), the top of the partition plate (30) is fixedly connected with the bottom of a second motor (31), the output end of the second motor (31) is fixedly connected with the bottoms of the rotary columns (6) positioned above the second motor, the top of the partition plate (30) is rotatably connected with the bottoms of three rotary columns (6) except the second motor, the outer side wall of the bottom of each rotary column (6) is respectively fixedly connected with the inner walls of four groups of gears (28), and a chain (29) is arranged above the partition plate (, the chain (29) is in transmission connection with four groups of gears (28), the inner wall of the rotary column (6) is in threaded connection with a lead screw (4), the top of the lead screw (4) is fixedly connected with the bottom of the supporting plate (3), the top of the supporting plate (3) is fixedly connected with the bottom of the tray (2), a plurality of groups of auxiliary wheels (25) are arranged in the inner cavity of the tray (2) at equal intervals, the auxiliary wheels (25) are rotatably connected with the tray (2), the inner cavity of the tray (2) is provided with the output end of a first motor (27) and the auxiliary rotating shaft (26) which is fixedly connected with the first motor (27), the auxiliary rotating shaft (26) penetrates through the tray (2) and the auxiliary wheels (25) at fixed connection, the inner wall of the rear side of the base (5) is fixedly connected with the rear ends of two groups of telescopic rods (22), and the front ends of the telescopic rods (22) are fixedly connected with the upper clamping plate (, the middle of two sets of telescopic link (22) is provided with pneumatic cylinder (11), the bottom of pneumatic cylinder (11) and the top fixed connection of sliding plate (10), the output of pneumatic cylinder (11) and the rear end fixed connection of first dwang (12), the inner wall of the front side of first dwang (12) rotates with the left lateral wall of first dwang (13) to be connected, the top of first dwang (13) and the bottom fixed connection of right side telescopic link (22), the lateral wall on first dwang (13) right side rotates with the inner wall of second dwang (14) rear side to be connected, the front end on second dwang (14) right side is provided with the pulley, the top sliding connection of pulley and splint pivot (18), the rear side of splint pivot (18) is provided with U type dwang (15), the inner wall of U type dwang (15) is provided with the sliding tray, the top and the sliding tray sliding connection of splint pivot (18) rear side, the front end of U type dwang (15) left side bottom and the right-hand member fixed connection of connecting rod (17), the left end and lower plate (19) fixed connection of connecting rod (17), the middle-end of U type dwang (15) left side bottom rotates with the right-hand member of second pivot (16) to be connected, the left end of second pivot (16) and the right-hand member fixed connection of rotatory piece (23), the left end of rotatory piece (23) rotates with the right side of fixed block (24) to be connected, the front side of fixed block and the rear side fixed connection of punch holder (20), the rear side of punch holder (20) and the front end fixed connection of telescopic link (22).
2. The feeding device of the numerical control machine tool according to claim 1, characterized in that: the outer side wall in the middle of the telescopic rod (22) is fixedly connected with the inner wall of the auxiliary block (21), the bottom height of the auxiliary block (21) is the same as that of the lower clamping plate (19), and the length of the auxiliary block (21) is larger than the distance required by feeding.
3. The feeding device of the numerical control machine tool according to claim 1, characterized in that: the top of base (5) left and right sides inner wall respectively with two sets of slide rail (9) fixed connection, the entering groove has been seted up to the part that slide rail (9) bottom is located directly over tray (2), gets into the groove and runs through slide rail (9), the height of slide rail (9) inner wall equals with the height of tray (2).
4. The feeding device of the numerical control machine tool according to claim 1, characterized in that: the front end of the splint rotating shaft (18) is provided with a cylindrical load, and the weight of the load is larger than that of the U-shaped rotating rod (15).
5. The feeding device of the numerical control machine tool according to claim 1, characterized in that: two fixed rods extending to two sides of the first rotating shaft (13) are welded on the front side of the sliding plate (10), and the front ends of the two fixed rods, close to the first rotating shaft (13), are rotatably connected with the first rotating shaft (13).
6. The feeding device of the numerical control machine tool according to claim 1, characterized in that: height limiting sheets are welded at the top of the inner wall of the rotating column (6) and the middle of the outer wall of the screw rod (4) respectively, and the height difference between the height limiting sheets is equal to the height difference between the top of the tray (2) and the top of the inner wall of the sliding rail (9).
Priority Applications (1)
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CN202021227498.2U CN213258351U (en) | 2020-06-29 | 2020-06-29 | Feeding device of numerical control machine tool |
Applications Claiming Priority (1)
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CN202021227498.2U CN213258351U (en) | 2020-06-29 | 2020-06-29 | Feeding device of numerical control machine tool |
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CN202021227498.2U Expired - Fee Related CN213258351U (en) | 2020-06-29 | 2020-06-29 | Feeding device of numerical control machine tool |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113291745A (en) * | 2021-06-23 | 2021-08-24 | 马鞍山市中亚机床制造有限公司 | Transfer system that flexible intelligence of panel beating was made |
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2020
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113291745A (en) * | 2021-06-23 | 2021-08-24 | 马鞍山市中亚机床制造有限公司 | Transfer system that flexible intelligence of panel beating was made |
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Granted publication date: 20210525 |