CN108422013B - Automatic feeding device for machining step drill - Google Patents
Automatic feeding device for machining step drill Download PDFInfo
- Publication number
- CN108422013B CN108422013B CN201810561452.5A CN201810561452A CN108422013B CN 108422013 B CN108422013 B CN 108422013B CN 201810561452 A CN201810561452 A CN 201810561452A CN 108422013 B CN108422013 B CN 108422013B
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- motor
- rotating
- limiting block
- clamping
- sliding sleeve
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- 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
- B23Q7/04—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 by means of grippers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention provides an automatic feeding device for a processing step drill, which comprises a workbench, a PLC (programmable logic controller), a supporting shaft, a rotating mechanism, a limiting mechanism and a pushing mechanism, wherein the rotating mechanism is used for rotating a raw material rod, the limiting mechanism comprises an upper limiting mechanism and a lower limiting mechanism, the upper limiting mechanism comprises an upper limiting mechanism and a lower limiting mechanism, the lower limiting mechanism comprises a lifting motor, a lifting rod and a second limiting block, the raw material rod is limited by the first limiting block and the second limiting block, the raw material rod is prevented from sliding out when rotating, the pushing mechanism comprises a pushing sliding sleeve, a linear lifting motor, a clamping motor and a clamping claw, the raw material rod is clamped by the clamping claw and is moved by the pushing sliding sleeve, an infrared sensor is arranged at the tail end of the right side of the workbench, and the feeding stroke can be timely sensed when the raw material rod moves to the position right above the infrared sensor, so that the processing precision is improved, and the device can intelligently convey the raw material rod into the processing device, and is time-saving and labor-saving.
Description
Technical Field
The invention relates to the technical field of feeding devices, in particular to an automatic feeding device for machining a step drill.
Background
The step drill is also called a step drill or a pagoda drill, is mainly used for drilling holes in thin steel plates within 3mm, one drill bit can replace a plurality of drill bits to be used for machining holes with different diameters according to requirements, one-time machining of large holes can be achieved, the drill bit and the positioning holes are not required to be replaced, the existing step drill machining equipment is used for manually feeding and discharging materials by manpower, time and labor are wasted, errors are easy to generate, automatic feeding is partly used, no device for sensing raw material rods is used, errors are easy to generate during feeding, multiple feeding or less feeding are caused, and the step drill for machining and forming has larger errors and is easy to waste raw materials.
Disclosure of Invention
The invention aims to provide an automatic feeding device for processing a step drill, which is simple and reasonable in structure, and can intelligently convey raw materials into a processing device for processing, so that manual feeding is not needed, and time and labor are saved.
The purpose of the invention is realized in the following way:
the automatic feeding device for the machining step drill comprises a workbench, wherein a machining device is arranged on the right side of the workbench, a PLC (programmable logic controller) for controlling the whole automatic feeding device is arranged on the workbench, the PLC is arranged near the tail end of the left side of the workbench, and a supporting shaft is arranged obliquely above the workbench;
further, the upper rotating mechanism comprises a first fixing seat, a first overturning motor, a connecting frame, a rotating wheel and a rotating motor, wherein the first overturning motor is rotatably sleeved on a supporting shaft, the first fixing seat is arranged on the first overturning motor, the first fixing seat overturns on the supporting shaft through the first overturning motor, one end of the connecting frame is fixedly connected with the first fixing seat, the rotating wheel is rotatably arranged at the other end of the connecting frame, the rotating motor is arranged on one side of the rotating wheel and is arranged on the connecting frame, the rotating wheel rotates on the connecting frame through the rotating motor, and the first overturning motor and the rotating motor are connected with a PLC;
further, the limiting mechanism comprises an upper limiting mechanism and a lower limiting mechanism, the upper limiting mechanism is arranged on the supporting shaft, the lower limiting mechanism is arranged in the workbench, the upper limiting mechanism comprises a second fixing seat, a second overturning motor and a first limiting block, the second overturning motor is rotatably arranged on the supporting shaft, the second fixing seat is arranged on the second overturning motor, the second fixing seat overturns on the rotating shaft through the second overturning motor, the first limiting block is arranged on the second fixing seat, the lower limiting mechanism comprises a lifting motor, a lifting rod and a second limiting block, the lifting motor is arranged at the bottom of the workbench, one end of the lifting rod is connected with the output end of the lifting motor, the other end of the lifting rod is connected with the second limiting block, matched grooves are formed in the first limiting block and the second limiting block and are semicircular, and when the first limiting block is connected with the second limiting block, the grooves are circular, and the second overturning motor and the lifting motor are connected with the PLC;
further, the propelling mechanism comprises a propelling sliding sleeve, a linear lifting motor, a clamping motor and a clamping claw, wherein the propelling sliding sleeve is movably sleeved on a supporting shaft, the linear lifting motor is arranged on the propelling sliding sleeve, the propelling sliding sleeve moves left and right on the supporting shaft through the linear lifting motor, the clamping motor is arranged right below the propelling sliding sleeve, the clamping motor is connected with the lifting end of the linear lifting motor, the clamping claw is arranged right below the clamping motor, the clamping claw clamps a raw material rod through the clamping motor, and the linear lifting motor and the clamping motor are connected with a PLC;
further, the supporting shaft is provided with induction blocks, the two induction blocks are arranged on two sides of the pushing sliding sleeve, the pushing sliding sleeve is provided with an inductor matched with the induction blocks for use, and the inductor is connected with the PLC;
further, an infrared sensor for sensing raw materials is arranged at the tail end of the right side of the workbench, and the infrared sensor is connected with the PLC.
The invention works according to the following principle:
the working staff prevents the raw material rod to be processed from being on the supporting frame of the workbench, a PLC controller is started, the PLC controller firstly controls a first overturning motor, a second overturning motor to work and a lifting motor to work, the second overturning motor overturns a first limiting block, the lifting motor ascends a second limiting block, the first limiting block and the second limiting block clamp the raw material rod, the first overturning motor controls a rotating wheel on an upper rotating mechanism and a rotating wheel on a lower rotating mechanism to overturns and clamps the raw material rod, then the PLC controller controls a linear lifting motor and a clamping motor, the clamping motor releases a clamping claw, the linear lifting motor controls the clamping claw to descend to a designated position, the linear lifting motor sends a signal to the PLC controller, the PLC controller controls the clamping motor to clamp, after clamping, controls the linear lifting motor to control a pushing sliding sleeve to drive the raw material rod to move rightwards, pushing the inductor on the sliding sleeve to induce the induction block on the right side, when the inductor approaches the induction block on the right side, the inductor sends a signal to the PLC controller, the PLC controller controls the clamping motor to loosen, controls the linear lifting motor to move leftwards, when the inductor moves leftwards, the inductor on the sliding sleeve induces the induction block on the left side, when the inductor approaches the induction block on the left side, the inductor sends a signal to the PLC controller, the PLC controller controls the clamping motor to clamp the raw material rod, the PLC controller controls the linear lifting motor to move rightwards, so that the raw material rod is conveyed to the tail end of the workbench through repeated movement, the infrared inductor on the tail end of the workbench senses the raw material rod and sends a signal to the PLC controller, the PLC controller controls the linear lifting motor to stop after rightward movement by a specified distance, the PLC controller controls the clamping motor to loosen the raw material rod, retreats to an initial position and waits for raw material processing, meanwhile, the PLC controller controls the rotating motor to work, the rotating motor drives the rotating wheel to rotate, the rotating wheel drives the raw material rod to rotate, after the processing device processes the raw material rod, the PLC controller controls the rotating motor to stop rotating, the PLC controller controls the clamping motor to control the clamping claw to clamp the raw material rod, the PLC controller controls the linear lifting motor to move rightward for a specified distance, and the operation is repeated until the raw material rod is processed.
After the machining is finished, the PLC controller controls the first overturning motor and the rotating motor, the rotating motor stops rotating, the first overturning motor controls the upper rotating mechanism and the lower rotating mechanism to overturn to the original positions, meanwhile, the PLC controller controls the second overturning motor and the lifting motor, the second overturning motor controls the upper limiting mechanism to overturn to the original positions, the lifting mechanism descends the lower limiting mechanism to the original positions, meanwhile, the PLC controller controls the linear lifting motor and the clamping click, the linear lifting motor rolls back the propelling mechanism to the original positions, and the clamping motor loosens the clamping claw.
Compared with the prior art, the invention has the beneficial effects that:
according to the automatic feeding device, semi-automatic conveying of the raw material rods into the processing device is achieved, manual feeding and discharging are not needed, only a worker is needed to place the raw material rods on the supporting frame, labor intensity is reduced, working time is shortened, working efficiency is improved, the raw material rods are limited by the limiting device, the raw material rods are placed to slide out of the workbench in the rotating process, the inductor is arranged on the propelling mechanism, the induction blocks are arranged on two sides of the propelling mechanism, the effect of limiting movement of the propelling mechanism is achieved due to the fact that the advancing or backing of the propelling device bumps against other parts, damage of the propelling mechanism to other parts is avoided, the infrared sensor is arranged at the tail end of the right side of the workbench, the position of the raw material rods can be sensed, accordingly, the stroke of the raw material pushing pump is calculated better, machining is accurate, the rotating sleeve is arranged in the clamping claw of the clamping mechanism, the raw material rods can be matched with the raw material rods well, and the raw material rods can be moved left and right under the condition that the raw material rods are not prevented from rotating.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a left side view of the upper swivel mechanism.
Fig. 4 is a left side view of the indexing mechanism.
Fig. 5 is a left side view of the clamping mechanism.
Wherein 1 is a workbench, 11 is a supporting frame, 12 is an infrared sensor, 2 is a processing device, 3 is a PLC controller, 4 is a supporting shaft, 41 is an induction block, 5 is a rotating mechanism, 51 is an upper rotating mechanism, 511 is a first fixed seat, 512 is a first overturning motor, 513 is a connecting frame, 514 is a rotating wheel, 515 is a rotating motor, 52 is a lower rotating mechanism, 6 is a limiting mechanism, 61 is an upper limiting mechanism, 611 is a second fixed seat, 612 is a second overturning motor, 613 is a first limiting block, 62 is a lower limiting mechanism, 621 is a lifting motor, 622 is a lifting rod, 623 is a second limiting block, 63 is a groove, 7 is a pushing mechanism, 71 is a pushing sliding sleeve, 72 is a linear lifting motor, 73 is a clamping motor, and 74 is a clamping claw.
Detailed Description
As shown in fig. 1-5, an automatic feeding device for machining step drills comprises a workbench 1, the right side of the workbench 1 is provided with a machining device 2, the workbench 1 is provided with a PLC controller 3 for controlling the whole automatic feeding device, the PLC controller 3 is arranged near the tail end of the left side of the workbench 1, the workbench 1 is obliquely provided with a supporting shaft 4 above, the workbench 1 is provided with a supporting frame 11 for placing raw materials, one supporting frame 11 is fixedly arranged on one side of the workbench 1, the other supporting frame 11 is fixedly arranged on the other side of the workbench 1, the automatic feeding device further comprises a rotating mechanism 5, a limiting mechanism 6 and a pushing mechanism 7, the rotating mechanism 5 is provided with two groups, each rotating mechanism 5 comprises an upper rotating mechanism 51 and a lower rotating mechanism 52, the upper rotating mechanism 51 and the lower rotating mechanism 52 are identical in structure, the two groups of upper rotating mechanisms 51 are arranged on the supporting shaft 4 at intervals, the two groups of lower rotating mechanisms 52 are arranged in the workbench 1 at intervals, the limiting mechanism 6 is arranged between the two rotating mechanisms 5, and the pushing mechanism 7 is arranged on the right side of the supporting shaft 4.
Further, the upper rotating mechanism 51 includes a first fixing base 511, a first overturning motor 512, a connecting frame 513, a rotating wheel 514 and a rotating motor 515, the first overturning motor 512 is rotatably sleeved on the supporting shaft 4, the first fixing base 511 is arranged on the first overturning motor 512, the first fixing base 511 is overturned on the supporting shaft 4 through the first overturning motor 512, one end of the connecting frame 513 is fixedly connected with the first fixing base 511, the rotating wheel 514 is rotatably arranged at the other end of the connecting frame 513, the rotating motor 515 is arranged on one side of the rotating wheel 514 and on the connecting frame 513, the rotating wheel 514 is rotated on the connecting frame 513 through the rotating motor 515, and the first overturning motor 512 and the rotating motor 515 are connected with the PLC controller 3.
Further, the limiting mechanism 6 includes an upper limiting mechanism 61 and a lower limiting mechanism 62, the upper limiting mechanism 61 is disposed on the supporting shaft 4, the lower limiting mechanism 62 is disposed in the workbench 1, the upper limiting mechanism 61 includes a second fixing seat 611, a second overturning motor 612 and a first limiting block 613, the second overturning motor 612 is rotatably mounted on the supporting shaft 4, the second fixing seat 611 is disposed on the second overturning motor 612, the second fixing seat 611 is overturned on the rotating shaft by the second overturning motor 612, the first limiting block 613 is mounted on the second fixing seat 611, the lower limiting mechanism 62 includes a lifting motor 621, a lifting rod 622 and a second limiting block 623, the lifting motor 621 is disposed at the bottom of the workbench 1, one end of the lifting rod 622 is connected with the output end of the lifting motor 621, the other end of the lifting rod is connected with the second limiting block 623, the first limiting block 613 and the second limiting block 623 are provided with matched grooves 63, the grooves 63 are formed in the first limiting block 613 and the second limiting block 623, the first limiting block 623 is connected with the second limiting block 613, and the second limiting block 623 is connected with the second limiting block 612, and the second limiting block 621 is connected with the lifting motor 3.
Further, the pushing mechanism 7 comprises a pushing sliding sleeve 71, a linear lifting motor 72, a clamping motor 73 and a clamping claw 74, the pushing sliding sleeve 71 is movably sleeved on the supporting shaft 4, the linear lifting motor 72 is arranged on the pushing sliding sleeve 71, the pushing sliding sleeve 71 moves left and right on the supporting shaft 4 through the linear lifting motor 72, the clamping motor 73 is arranged right below the pushing sliding sleeve 71, the clamping motor 73 is connected with the lifting end of the linear lifting motor 72, the clamping claw 74 is arranged right below the clamping motor 73, the clamping claw 74 clamps a raw material rod through the clamping motor 73, and the linear lifting motor 72 and the clamping motor 73 are connected with the PLC 3.
Further, the supporting shaft 4 is provided with sensing blocks 41, two sensing blocks 41 are arranged on two sides of the pushing sliding sleeve 71, the pushing sliding sleeve 71 is provided with a sensor 711 matched with the sensing blocks 41, and the sensor 711 is connected with the PLC controller 3.
Further, an infrared sensor 12 for sensing raw materials is arranged at the tail end of the right side of the workbench 1, and the infrared sensor 12 is connected with the PLC 3.
The invention is not limited to the above embodiments, and based on the technical solution disclosed in the invention, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the invention.
Claims (6)
1. The utility model provides an automatic feeding device for processing ladder drill, includes workstation (1), workstation (1) right side is equipped with processingequipment (2), be equipped with on workstation (1) and control whole automatic feeding device's PLC controller (3), PLC controller (3) set up near workstation (1) left side end, workstation (1) oblique top is equipped with back shaft (4), characterized in that, be equipped with on workstation (1) and put support frame (11) of raw materials, one support frame (11) fixed mounting is in workstation (1) one side, and another support frame (11) fixed mounting is in workstation (1) opposite side, and automatic feeding device still includes rotary mechanism (5), stop gear (6) and advancing mechanism (7), rotary mechanism (5) have two sets of, each rotary mechanism (5) are including last rotary mechanism (51) and lower rotary mechanism (52), go up rotary mechanism (51) and lower rotary mechanism (52) structure the same, two sets of upper rotary mechanism (51) are set up in mutual support shaft (4) opposite each other, two sets of rotary mechanism (5) are in rotary mechanism (5) are provided with each other between rotary mechanism (6), the propelling mechanism (7) is arranged on the right side of the rotating mechanism (5) and is arranged on the supporting shaft (4).
2. The automatic feeding device for machining step drills according to claim 1, wherein: the upper rotating mechanism (51) comprises a first fixing seat (511), a first overturning motor (512), a connecting frame (513), a rotating wheel (514) and a rotating motor (515), wherein the first overturning motor (512) is rotatably sleeved on a supporting shaft (4), the first fixing seat (511) is arranged on the first overturning motor (512), the first fixing seat (511) overturns on the supporting shaft (4) through the first overturning motor (512), one end of the connecting frame (513) is fixedly connected with the first fixing seat (511), the rotating wheel (514) is rotatably arranged on the other end of the connecting frame (513), the rotating motor (515) is arranged on one side of the rotating wheel (514) and is arranged on the connecting frame (513), the rotating wheel (514) rotates on the connecting frame (513) through the rotating motor (515), and the first overturning motor (512) and the rotating motor (515) are connected with the PLC (3).
3. The automatic feeding device for machining step drills according to claim 1, wherein: the limiting mechanism (6) comprises an upper limiting mechanism (61) and a lower limiting mechanism (62), the upper limiting mechanism (61) is arranged on a supporting shaft (4), the lower limiting mechanism (62) is arranged in a workbench (1), the upper limiting mechanism (61) comprises a second fixing seat (611), a second overturning motor (612) and a first limiting block (613), the second overturning motor (612) is rotatably arranged on the supporting shaft (4), the second fixing seat (611) is arranged on the second overturning motor (612), the second fixing seat (611) is overturned on a rotating shaft through the second overturning motor (612), the first limiting block (613) is arranged on the second fixing seat (611), the lower limiting mechanism (62) comprises a lifting motor (621), a lifting rod (622) and a second limiting block (623), the lifting motor (621) is arranged at the bottom of the workbench (1), one end of the lifting rod (622) is connected with the output end of the lifting motor (621), the other end of the lifting rod is connected with the second limiting block (623), the first limiting block (613) is arranged on the first limiting block (63) and the second limiting block (623) is matched with the first limiting block (623) in a semicircular shape, when the first limiting block (613) is connected with the second limiting block (623), the groove (63) is circular, and the second overturning motor (612) and the lifting motor (621) are connected with the PLC (3).
4. The automatic feeding device for machining step drills according to claim 1, wherein: the pushing mechanism (7) comprises a pushing sliding sleeve (71), a linear lifting motor (72), a clamping motor (73) and a clamping claw (74), wherein the pushing sliding sleeve (71) is movably sleeved on a supporting shaft (4), the linear lifting motor (72) is arranged on the pushing sliding sleeve (71), the pushing sliding sleeve (71) moves left and right on the supporting shaft (4) through the linear lifting motor (72), the clamping motor (73) is arranged under the pushing sliding sleeve (71), the clamping motor (73) is connected with the lifting end of the linear lifting motor (72), the clamping claw (74) is arranged under the clamping motor (73), the clamping claw (74) clamps a raw material rod through the clamping motor (73), and the linear lifting motor (72) and the clamping motor (73) are connected with a PLC (3).
5. The automatic feeding device for machining step drills according to claim 4, wherein: the support shaft (4) is provided with induction blocks (41), two induction blocks (41) are arranged on two sides of the pushing sliding sleeve (71), the pushing sliding sleeve (71) is provided with an inductor (711) matched with the induction blocks (41), and the inductor (711) is connected with the PLC (3).
6. The automatic feeding device for machining step drills according to claim 1, wherein: an infrared sensor (12) for sensing raw materials is arranged at the tail end of the right side of the workbench (1), and the infrared sensor (12) is connected with the PLC (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810561452.5A CN108422013B (en) | 2018-06-04 | 2018-06-04 | Automatic feeding device for machining step drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810561452.5A CN108422013B (en) | 2018-06-04 | 2018-06-04 | Automatic feeding device for machining step drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108422013A CN108422013A (en) | 2018-08-21 |
| CN108422013B true CN108422013B (en) | 2023-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810561452.5A Active CN108422013B (en) | 2018-06-04 | 2018-06-04 | Automatic feeding device for machining step drill |
Country Status (1)
| Country | Link |
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| CN (1) | CN108422013B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262225A (en) * | 2018-11-16 | 2019-01-25 | 镇江市丹徒阳光轴承有限公司 | A kind of bearing assembly machine automatic charging device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202344327U (en) * | 2011-10-29 | 2012-07-25 | 长城汽车股份有限公司 | Feeding and discharging tooling for machining engine crankshaft |
| CN204603780U (en) * | 2015-03-27 | 2015-09-02 | 安徽宁国晨光精工股份有限公司 | A kind of all automatic borehole device |
| CN205362421U (en) * | 2016-01-31 | 2016-07-06 | 潍坊乾润机械有限公司 | End shaping production line is received to full -automatic steel bottle |
| DE202017107271U1 (en) * | 2017-11-29 | 2017-12-13 | Wenkai Long | PLC control of a mechanical processing device for bar materials |
| CN208575298U (en) * | 2018-06-04 | 2019-03-05 | 江苏甬润工具有限公司 | A kind of processing step drill automatic charging device |
-
2018
- 2018-06-04 CN CN201810561452.5A patent/CN108422013B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202344327U (en) * | 2011-10-29 | 2012-07-25 | 长城汽车股份有限公司 | Feeding and discharging tooling for machining engine crankshaft |
| CN204603780U (en) * | 2015-03-27 | 2015-09-02 | 安徽宁国晨光精工股份有限公司 | A kind of all automatic borehole device |
| CN205362421U (en) * | 2016-01-31 | 2016-07-06 | 潍坊乾润机械有限公司 | End shaping production line is received to full -automatic steel bottle |
| DE202017107271U1 (en) * | 2017-11-29 | 2017-12-13 | Wenkai Long | PLC control of a mechanical processing device for bar materials |
| CN208575298U (en) * | 2018-06-04 | 2019-03-05 | 江苏甬润工具有限公司 | A kind of processing step drill automatic charging device |
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| CN108422013A (en) | 2018-08-21 |
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Effective date of registration: 20230815 Address after: No. 9, Fengyuan Road, Xiongzhou Street, Liuhe District, Nanjing, Jiangsu 210000 Applicant after: Nanjing Suifeng CNC Technology Co.,Ltd. Address before: 212000 Xihuang, Huangxu Village, Xinfeng Town, Dantu District, Zhenjiang City, Jiangsu Province Applicant before: JIANGSU YONGRUN TOOLS Co.,Ltd. |
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