CN105562757A - Multi-drill workpiece drilling machining device - Google Patents
Multi-drill workpiece drilling machining device Download PDFInfo
- Publication number
- CN105562757A CN105562757A CN201610111492.0A CN201610111492A CN105562757A CN 105562757 A CN105562757 A CN 105562757A CN 201610111492 A CN201610111492 A CN 201610111492A CN 105562757 A CN105562757 A CN 105562757A
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- China
- Prior art keywords
- work frame
- circular work
- circular
- workpiece
- rotating shaft
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
- B23B39/161—Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention provides a multi-drill workpiece drilling machining device, comprising a circular retainer plate, a conveying mechanism, a drilling mechanism, and a limiting mechanism; a plurality of workpiece clamping grooves are formed in the circular retainer plate; the conveying mechanism comprises a worktable, and a set of conveying rolls for conveying the circular retainer plate is arranged between a feed end and a discharge end of the worktable; the drilling mechanism comprises a mounting rack, a drilling unit, and a first driving mechanism; the drilling unit comprises a first circular working rack, and a plurality of drilling assemblies; the plurality of drilling assemblies are distributed in a circle centered on the center of the first circular working rack; the first driving mechanism is connected with the first circular working rack, and drives the same to move in a vertical direction; and the limiting mechanism comprises a first limiting device and a second limiting device both for preventing the circular retainer plate from moving. The multi-drill workpiece drilling machining device is capable of performing drilling machining on a plurality of workpiece at a time, and is high in continuity, high in working efficiency, high in machining precision, simple in structure, and convenient to use.
Description
Technical field
The present invention relates to machining equipment technical field, particularly relate to a kind of many drill bits Workpiece boring processing unit (plant).
Background technology
Some workpiece, in manufacture process, often needs to use bore process.When tradition is holed on workpiece, usual elder generation needs the position marking pen of holing to draw round dot or cross spider as mark on workpiece, then offhand be positioned on bench drill, drill bit is aimed at the mark finished in advance hole one by one, such bore mode not only bore position precision can not get ensureing, and inefficiency.
Summary of the invention
Based on the technical problem existed in background technology, the present invention proposes a kind of many drill bits Workpiece boring processing unit (plant).
One many drill bits Workpiece boring processing unit (plant) that the present invention proposes, comprises circular flitch, connecting gear, borehole drill construction, position-limit mechanism, wherein:
Circular flitch is provided with multiple workpiece draw-in groove, and multiple workpiece draw-in groove to be distributed in centered by the center of circular flitch circumferentially, the shape of workpiece draw-in groove and the shape of workpiece suitable;
Connecting gear comprises workbench, is provided with the transfer roller group for transmitting circular flitch between the feed end of workbench, discharge end;
Borehole drill construction comprises installing rack, units and the first driving mechanism, units comprises the first circular work frame and multiple boring assemblies, first circular work frame is horizontally disposed with, first circular work chord position is in the top of transfer roller group and the first circular work frame is removable is arranged on installing rack, multiple boring assemblies is arranged on the first circular work frame, multiple boring assemblies to be distributed in centered by the center of the first circular work frame circumferentially, the quantity of boring assemblies and the equal diameters of the diameter of multiple boring assemblies places circumference and multiple workpiece draw-in groove places circumference consistent with the quantity of workpiece draw-in groove, first driving mechanism is connected with the first circular work frame and drives it to move at vertical direction,
Position-limit mechanism comprises the first stopping means and the second stopping means for hindering circular flitch movement, first stopping means, the second stopping means are separately positioned on two side positions of the transfer roller group below the first circular work frame, and the first stopping means, the second stopping means are symmetrical arranged about transfer roller group.
Preferably, the first stopping means comprises the second driving mechanism, the first rotating shaft and the first limiting plate, and the second driving mechanism is connected with the first rotating shaft and drives it to rotate, and the first rotating shaft is provided with the first limiting plate, and the first axis of rotation drives the first limiting plate to rotate.
Preferably, the second stopping means comprises the 3rd driving mechanism, the second rotating shaft and the second limiting plate, and the 3rd driving mechanism is connected with the second rotating shaft and drives it to rotate, and the second rotating shaft is provided with the second limiting plate, and the second axis of rotation drives the second limiting plate to rotate.
Preferably, units also comprises the second circular work frame and multiple back-moving spring, second circular work frame is horizontally disposed with, second circular work chord position is between the first circular work frame and transfer roller group and coaxially arrange with the first circular work frame, second circular work frame is fixedly mounted on installing rack, second circular work frame is provided with multiple pilot hole, and multiple pilot hole to be distributed in centered by the second circular work frame circumferentially; Back-moving spring one end is connected with the first circular work frame, and the other end is connected with the second circular work frame; Each boring assemblies includes drilling rod, the first drive motors and drill bit, each drilling rod top is all connected with the first circular work frame, each drilling rod bottom is each passed through pilot hole, and each drilling rod bottom is equipped with drill bit, and the first drive motors is connected with drill bit and drives it to rotate.
Preferably, first driving mechanism comprises the 3rd circular work frame, the 3rd rotating shaft, the second drive motors, cam, 3rd circular work frame to be arranged on installing rack and to be positioned at above the first circular work frame, 3rd circular work frame is hollow structure, rotating shaft is arranged on the middle vacancy of the 3rd circular work frame, 3rd rotating shaft is connected with the second drive motors, and the 3rd rotating shaft is provided with cam, and cam rotates drive first circular work frame batch (-type) and moves up and down.
Preferably, protective sleeve is provided with in pilot hole.
Preferably, flexible materials is equipped with in workpiece draw-in groove.
In the present invention, circular flitch arranges multiple workpiece draw-in groove, workpiece to be processed is placed in workpiece draw-in groove, the circular flitch of workpiece to be processed is housed by the transfer roller group transmission on workbench, when circular flitch moves to below the first circular work frame, start the first stopping means, second stopping means hinders this circular flitch to continue to move forward, first driving mechanism drives the first circular work frame to move down, first circular work frame drives multiple boring assemblies to move down to carry out Drilling operation to the workpiece on circular flitch, after Drilling operation is complete, first stopping means, second stopping means resets, circular flitch continues to move forward and carries out next step operation.The present invention once can carry out Drilling operation to multiple workpiece, and continuous type is strong, and operating efficiency is high, and machining accuracy is high, and structure is simple, easy to use.
Accompanying drawing explanation
Fig. 1 is one many drill bits Workpiece boring processing unit (plant) structural representation that the present invention proposes;
Fig. 2 is the transfer roller group top view of a kind of many drill bits Workpiece boring processing unit (plant) that the present invention proposes;
Fig. 3 is the circular flitch structural representation of a kind of many drill bits Workpiece boring processing unit (plant) that the present invention proposes.
Detailed description of the invention
With reference to Fig. 1, Fig. 2 Fig. 3, the present invention proposes a kind of many drill bits Workpiece boring processing unit (plant), comprises circular flitch 1, connecting gear, borehole drill construction, position-limit mechanism, wherein:
Circular flitch 1 is provided with multiple workpiece draw-in groove 2, and multiple workpiece draw-in groove 2 to be distributed in centered by the center of circular flitch 1 circumferentially, the shape of workpiece draw-in groove 2 and the shape of workpiece suitable, be equipped with flexible materials 20 in workpiece draw-in groove 2.
Connecting gear comprises workbench 3, is provided with the transfer roller group 4 for transmitting circular flitch 1 between the feed end of workbench 3, discharge end.
Borehole drill construction comprises installing rack 5, units and the first driving mechanism, units comprises the first circular work frame 6, second circular work frame 11, multiple back-moving spring 12 and multiple boring assemblies, first circular work frame 6 is horizontally disposed with, first circular work frame 6 is positioned at the top of transfer roller group 4 and the first circular work frame 6 is removable is arranged on installing rack 5, second circular work frame 11 is horizontally disposed with, second circular work frame 11 is between the first circular work frame 6 and transfer roller group 4 and coaxially arrange with the first circular work frame 11, second circular work frame 11 is fixedly mounted on installing rack 5, second circular work frame 11 is provided with multiple pilot hole, protective sleeve 19 is provided with in pilot hole, multiple pilot hole to be distributed in centered by the second circular work frame 11 circumferentially.Back-moving spring 12 one end is connected with the first circular work frame 6, and the other end is connected with the second circular work frame 11.Multiple boring assemblies is arranged on the first circular work frame 6, multiple boring assemblies to be distributed in centered by the center of the first circular work frame 6 circumferentially, the quantity of boring assemblies and the equal diameters of the diameter of multiple boring assemblies places circumference and multiple workpiece draw-in groove 2 places circumference consistent with the quantity of workpiece draw-in groove 2; Each boring assemblies includes drilling rod 13, first drive motors 14 and drill bit 15, each drilling rod 13 top is all connected with the first circular work frame 6, each drilling rod 13 bottom is each passed through pilot hole, each drilling rod 13 bottom is equipped with drill bit 15, and the first drive motors 14 is connected with drill bit 15 and drives it to rotate.First driving mechanism comprises the 3rd circular work frame 16, the 3rd rotating shaft 17, second drive motors, cam 18,3rd circular work frame 16 to be arranged on installing rack 5 and to be positioned at above the first circular work frame 6,3rd circular work frame 16 is hollow structure, rotating shaft is arranged on the middle vacancy of the 3rd circular work frame 16,3rd rotating shaft 17 is connected with the second drive motors, 3rd rotating shaft 17 is provided with cam 18, and cam 18 rotates drive first circular work frame 6 batch (-type) and moves up and down.
Position-limit mechanism comprises the first stopping means and the second stopping means for hindering the movement of circular flitch 1, first stopping means, the second stopping means are separately positioned on two side positions of the transfer roller group 4 below the first circular work frame 6, and the first stopping means, the second stopping means are symmetrical arranged about transfer roller group 4.First stopping means comprises the second driving mechanism, the first rotating shaft 7 and the first limiting plate 8, second driving mechanism and is connected with the first rotating shaft 7 and drives it to rotate, and the first rotating shaft 7 is provided with the first limiting plate 8, first rotating shaft 7 and rotates drive first limiting plate 8 and rotate.Second stopping means comprises the 3rd driving mechanism, the second rotating shaft 9 and the second limiting plate the 10, three driving mechanism and is connected with the second rotating shaft 9 and drives it to rotate, and the second rotating shaft 9 is provided with the second limiting plate 10, second rotating shaft 9 and rotates drive second limiting plate 10 and rotate.
One many drill bits Workpiece boring processing unit (plant) that the present invention proposes, circular flitch 1 arranges multiple workpiece draw-in groove 2, workpiece to be processed is placed in workpiece draw-in groove 2, the circular flitch 1 that workpiece to be processed is housed is transmitted by the transfer roller group 4 on workbench 3, when circular flitch 1 moves to below the first circular work frame 6, second driving mechanism drives the first rotating shaft 7 to rotate, 3rd driving mechanism drives the second rotating shaft 9 to rotate to drive the first limiting plate 8 respectively, second limiting plate 10 rotates, make the first limiting plate 8, second limiting plate 10 is all positioned at above transfer roller group 4 to hinder this circular flitch 1 to continue to move forward, second drive motors drives the 3rd rotating shaft 17 to rotate, 3rd rotating shaft 17 is with moving cam 18 to rotate, cam 18 rotates drive first circular work frame 6 batch (-type) and moves up and down, when the first circular work frame 6 moves down, first circular work frame 6 drives multiple boring assemblies to move down to carry out Drilling operation to the workpiece on circular flitch 1, after Drilling operation is complete, drive the first limiting plate 8, second limiting plate 10 resets, circular flitch 1 continues to move forward and carries out next step operation.The present invention once can carry out Drilling operation to multiple workpiece, and continuous type is strong, and operating efficiency is high, and machining accuracy is high, and structure is simple, easy to use.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (7)
1. the Workpiece boring of drill bit a more than processing unit (plant), is characterized in that, comprises circular flitch (1), connecting gear, borehole drill construction, position-limit mechanism, wherein:
Circular flitch (1) is provided with multiple workpiece draw-in groove (2), multiple workpiece draw-in groove (2) to be distributed in centered by the center of circular flitch (1) circumferentially, the shape of workpiece draw-in groove (2) and the shape of workpiece suitable;
Connecting gear comprises workbench (3), is provided with the transfer roller group (4) for transmitting circular flitch (1) between the feed end of workbench (3), discharge end;
Borehole drill construction comprises installing rack (5), units and the first driving mechanism, units comprises the first circular work frame (6) and multiple boring assemblies, first circular work frame (6) is horizontally disposed with, first circular work frame (6) is positioned at the top of transfer roller group (4) and the first circular work frame (6) is removable is arranged on installing rack (5), multiple boring assemblies is arranged on the first circular work frame (6), multiple boring assemblies to be distributed in centered by the center of the first circular work frame (6) circumferentially, the quantity of boring assemblies and the equal diameters of the diameter of multiple boring assemblies places circumference and multiple workpiece draw-in groove (2) place circumference consistent with the quantity of workpiece draw-in groove (2), first driving mechanism is connected with the first circular work frame (6) and drives it to move at vertical direction,
Position-limit mechanism comprises the first stopping means and the second stopping means for hindering circular flitch (1) movement, first stopping means, the second stopping means are separately positioned on two side positions of the transfer roller group (4) of the first circular work frame (6) below, and the first stopping means, the second stopping means are symmetrical arranged about transfer roller group (4).
2. many drill bits Workpiece boring processing unit (plant) according to claim 1, it is characterized in that, first stopping means comprises the second driving mechanism, the first rotating shaft (7) and the first limiting plate (8), second driving mechanism is connected with the first rotating shaft (7) and drives it to rotate, first rotating shaft (7) is provided with the first limiting plate (8), and the first rotating shaft (7) is rotated drive first limiting plate (8) and rotated.
3. many drill bits Workpiece boring processing unit (plant) according to claim 1, it is characterized in that, second stopping means comprises the 3rd driving mechanism, the second rotating shaft (9) and the second limiting plate (10), 3rd driving mechanism is connected with the second rotating shaft (9) and drives it to rotate, second rotating shaft (9) is provided with the second limiting plate (10), and the second rotating shaft (9) is rotated drive second limiting plate (10) and rotated.
4. the many drill bits Workpiece boring processing unit (plant) according to any one of claim 1-3, it is characterized in that, units also comprises the second circular work frame (11) and multiple back-moving spring (12), second circular work frame (11) is horizontally disposed with, second circular work frame (11) to be positioned between the first circular work frame (6) and transfer roller group (4) and coaxially to arrange with the first circular work frame (11), second circular work frame (11) is fixedly mounted on installing rack (5), second circular work frame (11) is provided with multiple pilot hole, multiple pilot hole to be distributed in centered by the second circular work frame (11) circumferentially, back-moving spring (12) one end is connected with the first circular work frame (6), and the other end is connected with the second circular work frame (11), each boring assemblies includes drilling rod (13), the first drive motors (14) and drill bit (15), each drilling rod (13) top is all connected with the first circular work frame (6), each drilling rod (13) bottom is each passed through pilot hole, each drilling rod (13) bottom is equipped with drill bit (15), and the first drive motors (14) is connected with drill bit (15) and drives it to rotate.
5. the many drill bits Workpiece boring processing unit (plant) according to any one of claim 1-3, it is characterized in that, first driving mechanism comprises the 3rd circular work frame (16), 3rd rotating shaft (17), second drive motors, cam (18), 3rd circular work frame (16) is arranged on installing rack (5) and goes up and be positioned at the first circular work frame (6) top, 3rd circular work frame (16) is hollow structure, rotating shaft is arranged on the middle vacancy of the 3rd circular work frame (16), 3rd rotating shaft (17) is connected with the second drive motors, 3rd rotating shaft (17) is provided with cam (18), cam (18) rotates drive first circular work frame (6) batch (-type) and moves up and down.
6. the many drill bits Workpiece boring processing unit (plant) according to any one of claim 1-3, is characterized in that, is provided with protective sleeve (19) in pilot hole.
7. the many drill bits Workpiece boring processing unit (plant) according to any one of claim 1-3, is characterized in that, is equipped with flexible materials (20) in workpiece draw-in groove (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610111492.0A CN105562757A (en) | 2016-02-29 | 2016-02-29 | Multi-drill workpiece drilling machining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610111492.0A CN105562757A (en) | 2016-02-29 | 2016-02-29 | Multi-drill workpiece drilling machining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105562757A true CN105562757A (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610111492.0A Pending CN105562757A (en) | 2016-02-29 | 2016-02-29 | Multi-drill workpiece drilling machining device |
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| CN (1) | CN105562757A (en) |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904250A (en) * | 2016-06-15 | 2016-08-31 | 镇江市大兴机械制造有限公司 | Installing frame of multi-head drilling device for hydraulic motor end cover |
| CN107042547A (en) * | 2017-05-25 | 2017-08-15 | 义乌市满旺机械设备有限公司 | A kind of building materials furniture board perforating device |
| CN107127901A (en) * | 2017-07-13 | 2017-09-05 | 罗立祥 | Stone cutting equipment |
| CN107584158A (en) * | 2017-11-06 | 2018-01-16 | 张国强 | A kind of letter box arrangement |
| CN107803528A (en) * | 2017-11-06 | 2018-03-16 | 张国强 | A kind of new letter box arrangement |
| CN108098009A (en) * | 2017-12-27 | 2018-06-01 | 宁波隆锐机械制造有限公司 | A kind of blade drilling machine |
| CN108213520A (en) * | 2018-03-31 | 2018-06-29 | 张双锥 | A kind of novel telecommunications production equipment |
| CN108356318A (en) * | 2018-04-20 | 2018-08-03 | 苏州瑞非通信息科技有限公司 | A kind of letter box arrangement |
| CN108356316A (en) * | 2018-03-31 | 2018-08-03 | 张双锥 | A kind of telecommunications production equipment |
| CN108422005A (en) * | 2018-03-31 | 2018-08-21 | 张双锥 | A kind of follow-on telecommunications production equipment |
| CN108943137A (en) * | 2018-08-02 | 2018-12-07 | 广州迩鼎机电设备有限公司 | A kind of novel modified ABS material and preparation method and application |
| CN108971546A (en) * | 2018-08-02 | 2018-12-11 | 佛山诗勤智能科技有限公司 | A kind of novel metal surface treatment process |
| CN109014305A (en) * | 2018-08-06 | 2018-12-18 | 广州诺绰信息技术有限公司 | A kind of vehicle signal amplification antenna equipment |
| CN109109081A (en) * | 2018-08-02 | 2019-01-01 | 广州迩鼎机电设备有限公司 | One kind is to plastics board processing device |
| CN109129687A (en) * | 2018-08-02 | 2019-01-04 | 广州迩鼎机电设备有限公司 | A kind of modified ABS material and preparation method and application |
| CN109176705A (en) * | 2018-08-02 | 2019-01-11 | 广州迩鼎机电设备有限公司 | A kind of improved modified ABS material and preparation method and application |
| CN110315106A (en) * | 2019-07-05 | 2019-10-11 | 陕西国防工业职业技术学院 | A kind of two-way processing numeric control drilling machine tool of multiaxis |
| CN110756851A (en) * | 2019-11-04 | 2020-02-07 | 黄三妹 | Auto-parts brake disc makes automatic processing equipment |
| CN111168098A (en) * | 2020-02-27 | 2020-05-19 | 王永利 | Drilling equipment is used in sheet metal processing |
| CN112517969A (en) * | 2020-11-30 | 2021-03-19 | 湖南潇安安全科技有限公司 | Window frame connecting piece perforating device |
| CN116619042A (en) * | 2023-07-26 | 2023-08-22 | 四川西蜀电力金具集团有限公司 | Tubular product drilling equipment |
| CN117444276A (en) * | 2023-11-09 | 2024-01-26 | 南通市天能电机有限公司 | Motor casing drilling equipment |
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- 2016-02-29 CN CN201610111492.0A patent/CN105562757A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904250A (en) * | 2016-06-15 | 2016-08-31 | 镇江市大兴机械制造有限公司 | Installing frame of multi-head drilling device for hydraulic motor end cover |
| CN107042547B (en) * | 2017-05-25 | 2018-06-15 | 浙江黄岩院桥工艺美术制品厂 | A kind of building materials furniture board perforating device |
| CN107042547A (en) * | 2017-05-25 | 2017-08-15 | 义乌市满旺机械设备有限公司 | A kind of building materials furniture board perforating device |
| CN107127901A (en) * | 2017-07-13 | 2017-09-05 | 罗立祥 | Stone cutting equipment |
| CN107127901B (en) * | 2017-07-13 | 2019-03-19 | 徐欢 | Stone cutting equipment |
| CN107584158A (en) * | 2017-11-06 | 2018-01-16 | 张国强 | A kind of letter box arrangement |
| CN107803528A (en) * | 2017-11-06 | 2018-03-16 | 张国强 | A kind of new letter box arrangement |
| CN108098009A (en) * | 2017-12-27 | 2018-06-01 | 宁波隆锐机械制造有限公司 | A kind of blade drilling machine |
| CN108098009B (en) * | 2017-12-27 | 2019-04-19 | 宁波隆锐机械制造有限公司 | A kind of blade drilling machine |
| CN108213520A (en) * | 2018-03-31 | 2018-06-29 | 张双锥 | A kind of novel telecommunications production equipment |
| CN108356316A (en) * | 2018-03-31 | 2018-08-03 | 张双锥 | A kind of telecommunications production equipment |
| CN108422005A (en) * | 2018-03-31 | 2018-08-21 | 张双锥 | A kind of follow-on telecommunications production equipment |
| CN108356318A (en) * | 2018-04-20 | 2018-08-03 | 苏州瑞非通信息科技有限公司 | A kind of letter box arrangement |
| CN108356318B (en) * | 2018-04-20 | 2019-01-15 | 扬州昇业机械有限公司 | A kind of drilling equipment for mailbox |
| CN109109081A (en) * | 2018-08-02 | 2019-01-01 | 广州迩鼎机电设备有限公司 | One kind is to plastics board processing device |
| CN109129687A (en) * | 2018-08-02 | 2019-01-04 | 广州迩鼎机电设备有限公司 | A kind of modified ABS material and preparation method and application |
| CN109176705A (en) * | 2018-08-02 | 2019-01-11 | 广州迩鼎机电设备有限公司 | A kind of improved modified ABS material and preparation method and application |
| CN108971546A (en) * | 2018-08-02 | 2018-12-11 | 佛山诗勤智能科技有限公司 | A kind of novel metal surface treatment process |
| CN108943137A (en) * | 2018-08-02 | 2018-12-07 | 广州迩鼎机电设备有限公司 | A kind of novel modified ABS material and preparation method and application |
| CN109014305A (en) * | 2018-08-06 | 2018-12-18 | 广州诺绰信息技术有限公司 | A kind of vehicle signal amplification antenna equipment |
| CN110315106A (en) * | 2019-07-05 | 2019-10-11 | 陕西国防工业职业技术学院 | A kind of two-way processing numeric control drilling machine tool of multiaxis |
| CN110756851A (en) * | 2019-11-04 | 2020-02-07 | 黄三妹 | Auto-parts brake disc makes automatic processing equipment |
| CN111168098A (en) * | 2020-02-27 | 2020-05-19 | 王永利 | Drilling equipment is used in sheet metal processing |
| CN112517969A (en) * | 2020-11-30 | 2021-03-19 | 湖南潇安安全科技有限公司 | Window frame connecting piece perforating device |
| CN116619042A (en) * | 2023-07-26 | 2023-08-22 | 四川西蜀电力金具集团有限公司 | Tubular product drilling equipment |
| CN116619042B (en) * | 2023-07-26 | 2023-09-15 | 四川西蜀电力金具集团有限公司 | Tubular product drilling equipment |
| CN117444276A (en) * | 2023-11-09 | 2024-01-26 | 南通市天能电机有限公司 | Motor casing drilling equipment |
| CN117444276B (en) * | 2023-11-09 | 2024-08-20 | 南通市天能电机有限公司 | Motor casing drilling equipment |
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Application publication date: 20160511 |
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| WD01 | Invention patent application deemed withdrawn after publication |