CN114453624B - Adjustable mechanical automation drilling equipment - Google Patents
Adjustable mechanical automation drilling equipment Download PDFInfo
- Publication number
- CN114453624B CN114453624B CN202210179565.5A CN202210179565A CN114453624B CN 114453624 B CN114453624 B CN 114453624B CN 202210179565 A CN202210179565 A CN 202210179565A CN 114453624 B CN114453624 B CN 114453624B
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- China
- Prior art keywords
- plate
- bolt
- sliding block
- drill bit
- side wall
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Links
- 238000005553 drilling Methods 0.000 title claims abstract description 42
- 238000001125 extrusion Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 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
- 230000003631 expected effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
Classifications
-
- 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
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
- B23Q15/26—Control or regulation of position of tool or workpiece of angular position
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses adjustable mechanical automatic drilling equipment, which relates to the technical field of drilling equipment and comprises a supporting seat, wherein a connecting frame is fixedly arranged on the upper surface of the supporting seat, a supporting plate is fixed on the inner wall of the top end of the connecting frame, a drill bit is arranged at the bottom of the supporting plate, an adjusting device capable of adjusting the position of the drill bit is arranged between the drill bit and the supporting plate, a fixing device capable of fixing objects is arranged on the upper surface of the supporting seat, the adjusting device comprises a telescopic rod which is slidably arranged at the bottom of the supporting plate, a connecting plate is fixed at the bottom end of the telescopic rod, a limiting plate is rotatably arranged below one end of the connecting plate, the drill bit is fixedly arranged at the center of the bottom of the limiting plate, a slidable clamping piece plate is arranged between the limiting plate and the side wall of the connecting plate, and the rotating angle between the limiting plate and the connecting plate is fixed by the clamping piece plate, so that the drilling equipment can be adjusted at multiple angles, and the problem that the using range of the existing drilling equipment is limited is solved.
Description
Technical Field
The invention relates to the technical field related to drilling equipment, in particular to adjustable mechanical automatic drilling equipment.
Background
Drilling equipment can carry out drilling processing to processing parts in the process of mechanical automation production manufacturing to conveniently carry out subsequent processing to processing parts, drilling equipment refers to the mode that utilizes harder, sharper instrument than the target object through rotatory cutting or rotatory extrusion, leave cylindrical hole or hole's machinery and equipment together name on the target object, also known as rig, puncher, through-hole machine etc. through carrying out drilling to accurate part, reach expected effect, the puncher has semi-automatic drilling machine and full-automatic drilling machine, along with the increase of manpower resources cost, full-automatic drilling machine is considered as the development direction to most enterprises, an adjustable mechanical automation drilling equipment among the prior art has following problems:
the existing drilling equipment can be adjusted only according to a fixed direction and cannot be adjusted at multiple angles according to needs, so that the application range of the drilling equipment is limited, and therefore the adjustable mechanical automation drilling equipment is needed to solve the technical problems.
Disclosure of Invention
The present invention is directed to an adjustable mechanical automatic drilling device, which solves the above-mentioned problems.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an adjustable mechanical automation drilling equipment, includes the supporting seat, and the last fixed surface of supporting seat installs the link, and link top inner wall is fixed with the backup pad, and the bottom of backup pad is equipped with the drill bit, is equipped with the adjusting device in adjustable drill bit position between drill bit and the backup pad, and the upper surface of supporting seat is equipped with the fixing device of fixable article.
The adjusting device comprises a telescopic rod, the telescopic rod is slidably mounted at the bottom of the supporting plate, the bottom end of the telescopic rod is fixedly provided with a connecting plate, a limiting plate is rotatably mounted below one end of the connecting plate, the drill bit is fixedly mounted at the center of the bottom of the limiting plate, and a slidable clamping piece plate is arranged between the limiting plate and the side wall of the connecting plate.
Preferably, the spout has been seted up to the bottom of backup pad, and the inner wall slidable mounting of spout has the slider, and the top fixed mounting of telescopic link is in the bottom of slider, through the rotation between limiting plate and the connecting plate to make the drill bit rotate according to fixed direction, utilize the flexible of telescopic link, can realize the lift of drill bit, utilize the telescopic link to slide in the inside of backup pad, thereby can make the telescopic link drive the drill bit and remove, utilize the fastener board to fix the turned angle between limiting plate and the connecting plate, thereby make drilling equipment can carry out the multi-angle and adjust.
Preferably, the side wall of the supporting plate is provided with a limiting groove, the side wall of the sliding block is connected with a first bolt through threads, and the first bolt penetrates through the inside of the limiting groove.
Preferably, the outer side wall of the telescopic rod is connected with a second bolt through threads, the side wall of the connecting plate is provided with a first sliding groove, a first sliding block is slidably arranged in the first sliding groove, and the side wall of the first sliding block is connected with a third bolt through threads.
Preferably, the side wall of the limiting plate is provided with a second sliding groove, a third sliding block is slidably arranged in the second sliding groove, the outer side wall of the third sliding block is connected with a fourth bolt through threads, the clamping plate is annular, and the clamping plate penetrates through the outer side walls of the third bolt and the fourth bolt.
Preferably, the draw-in groove has been seted up to the one end terminal surface of connecting plate, and the inner wall of draw-in groove runs through there is the lock board, and the one end terminal surface of limiting plate is fixed with the buckle, and the through-hole groove has been seted up to the lateral wall of buckle, and through-hole groove and lock board assorted to solved the problem that current drilling equipment application range received the limitation, convenient drilling equipment's use.
Preferably, the fixing device comprises a sliding groove, a sliding block is slidably arranged in the sliding groove, and a containing plate is rotatably arranged at the top of the sliding block.
Preferably, a handle is fixed on one side of the holding plate, a group of extrusion plates rotate on the upper surface of the holding plate, the extrusion plates are two and symmetrical relative to the central axis of the holding plate, and the extrusion plates are connected with the holding plate through torsion springs.
Compared with the prior art, the invention has the beneficial effects that:
through the rotation between limiting plate and the connecting plate to make the drill bit rotate according to fixed direction, utilize the flexible of telescopic link, can realize the lift of drill bit, utilize the telescopic link to slide in the inside of backup pad, thereby can make the telescopic link drive the drill bit and remove, utilize the fastener board to fix the turned angle between limiting plate and the connecting plate, thereby make drilling equipment can carry out the multi-angle and adjust, thereby solved current drilling equipment application range and receive the problem of limitation, make things convenient for drilling equipment's use.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic view of the structure of the support plate of the present invention.
Fig. 3 is a schematic view of a holding plate structure according to the present invention.
Fig. 4 is an enlarged view of the structure of fig. 1 at a in accordance with the present invention.
In the figure: 1. a support base; 2. a fixing device; 21. a holding plate; 22. an extrusion plate; 23. a sliding block; 3. a connecting frame; 4. a drill bit; 5. a support plate; 6. an adjusting device; 61. a first bolt; 62. a connecting plate; 63. a limiting plate; 64. a limit groove; 65. a chute; 66. a slide block; 67. a telescopic rod; 68. a buckling plate; 69. a clamping groove; 610. a through hole groove; 611. a buckle; 612. a second chute; 613. a third slider; 614. a clamping piece plate; 615. a first chute; 616. a first slider; 617. a third bolt; 618. a second bolt; 619. and a fourth bolt.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: as shown in fig. 1-4, the invention provides an adjustable mechanical automatic drilling device, which comprises a supporting seat 1, wherein a connecting frame 3 is fixedly arranged on the upper surface of the supporting seat 1, a supporting plate 5 is fixed on the inner wall of the top end of the connecting frame 3, a transmission rod is arranged between the connecting frame 3 and the supporting plate 5, the transmission rod is a transmission mechanism in the prior art, a drill bit 4 is arranged at the bottom of the supporting plate 5, an adjusting device 6 capable of adjusting the position of the drill bit 4 is arranged between the drill bit 4 and the supporting plate 5, the adjusting device 6 comprises a telescopic rod 67, the telescopic rod 67 is slidably arranged at the bottom of the supporting plate 5, a second bolt 618 is connected to the outer side wall of the telescopic rod 67 through threads, the telescopic rod 67 is in a structure of sleeving an outer cylinder on an inner cylinder in the prior art, and the second bolt 618 has a fixing effect, so that the outer cylinder and the inner cylinder of the telescopic rod 67 can be fixed according to the fixed size.
Further, the bottom of backup pad 5 has been seted up spout 65, and the inner wall slidable mounting of spout 65 has slider 66, and spout 65 provides the slip space for slider 66, and the top fixed mounting of telescopic link 67 is in the bottom of slider 66, and telescopic link 67 can drive drill bit 4 and take place the altitude mixture control to make drill bit 4 conveniently carry out altitude mixture control.
Further, the side wall of the support plate 5 is provided with the limit groove 64, the side wall of the sliding block 66 is connected with the first bolt 61 through threads, the first bolt 61 penetrates through the inside of the limit groove 64, the limit groove 64 provides a sliding space for the first bolt 61, so that the first bolt 61 can slide conveniently, the support plate 5 can be extruded by the first bolt 61 in the rotating process, the sliding block 66 can be adjusted to be fixed at a proper position, and the telescopic rod 67 can drive the drill bit 4 to change in position.
In this embodiment, the bottom end of the telescopic rod 67 is fixed with the connecting plate 62, the drill bit 4 is fixedly installed at the bottom center of the limiting plate 63, the limiting plate 63 is rotatably installed below one end of the connecting plate 62, the drill bit 4 can rotate according to a certain angle through the rotary connection between the connecting plate 62 and the limiting plate 63, so that the drill bit 4 can conveniently adjust a proper angle to drill a part, a first chute 615 is formed in the side wall of the connecting plate 62, a first sliding block 616 is slidably installed in the first chute 615, and a sliding space is provided for the first sliding block 616, so that the first sliding block 616 can slide conveniently; the side wall of the first slider 616 is connected with a third bolt 617 through threads, a slidable clamping plate 614 is arranged between the limiting plate 63 and the side wall of the connecting plate 62, and the clamping plate 614 can be extruded by the third bolt 617, so that the clamping plate 614 and the connecting plate 62 are fixed.
The second sliding groove 612 is formed in the side wall of the limiting plate 63, the third sliding block 613 is slidably mounted in the second sliding groove 612, the fourth bolt 619 is connected to the outer side wall of the third sliding block 613 through threads, the clamping plate 614 is in a ring shape, the clamping plate 614 penetrates through the outer side walls of the third bolt 617 and the fourth bolt 619, the second sliding groove 612 can provide a sliding space for the third sliding block 613, so that the third sliding block 613 can conveniently slide, in addition, the clamping plate 614 can be fixed with the limiting plate 63 through the extrusion of the fourth bolt 619, and therefore when the limiting plate 63 and the connecting plate 62 are adjusted to a proper angle, the clamping plate 614 is only required to be extruded through the fourth bolt 619 and the third bolt 617, and the fixing of the position of the drill bit 4 is achieved.
Further, the draw-in groove 69 has been seted up to the one end terminal surface of connecting plate 62, the inner wall of draw-in groove 69 runs through and has had buckling plate 68, the one end terminal surface of limiting plate 63 is fixed with buckle 611, the draw-in groove 69 provides sliding space for buckle 611, through-hole groove 610 has been seted up to the lateral wall of buckle 611, through-hole groove 610 and buckling plate 68 assorted, through-hole groove 610 provides sliding space for buckling plate 68, when the joint between buckling plate 68 and through-hole groove 610, thereby can realize the combination between connecting plate 62 and the limiting plate 63, thereby make things convenient for drill bit 4 to use, drill bit 4 is the motor drive drill bit pivoted overall structure among the prior art in addition.
Further, the upper surface of supporting seat 1 is equipped with the fixing device 2 that can fix the article, and fixing device 2 includes slide groove 22, and slide groove 22's inside slidable mounting has slider 23, and slider 23's top is rotated and is installed and hold board 21, holds board 21 and is used for holding processing part, holds in addition and holds the rotation between board 21 and the slider 23, can make processing part carry out the angle rotation to make things convenient for drill bit 4 to processing part suitable position to carry out the drilling.
Further, hold one side of board 21 and be fixed with the handle, the handle is convenient handheld to conveniently remove the position that holds board 21, hold the upper surface rotation of board 21 and have a set of stripper plate 22, stripper plate 22 has two and about the center pin symmetry that holds board 21, is connected through the torsional spring between stripper plate 22 and the board 21 that holds, and the elasticity that the torsional spring provided can make stripper plate 22 extrude fixedly to processing part, thereby can drive processing part and rotate together when making to hold board 21 rotation.
Working principle: through the rotation between limiting plate 63 and the connecting plate 62 to make drill bit 4 rotate according to fixed direction, utilize the flexible of telescopic link 67, can realize the lift of drill bit 4, utilize telescopic link 67 to slide in the inside of backup pad 5, thereby can make telescopic link 67 drive drill bit 4 and remove, utilize fastener board 614 to fix the turned angle between limiting plate 63 and the connecting plate 62, wherein, first bolt 61 can extrude backup pad 5 in the pivoted in-process, thereby make slider 66 can adjust the suitable position and fix, thereby make telescopic link 67 can drive drill bit 4 and take place the position change, in addition, the extrusion of fourth bolt 619 to fastener board 614 can make the fixed between fastener board 614 and the limiting plate 63, thereby when adjusting suitable angle between limiting plate 63 and the connecting plate 62, only need rotate fourth bolt 619 and third bolt 617 and extrude fastener board 614, thereby realize the fixed to drill bit 4 position, and when not needing to adjust the angle between limiting plate 63 and the connecting plate 62, only need carry out the joint between fastener 68 and through-hole groove 610, thereby can drive drilling equipment through the torsional spring 21 to take place between the drilling equipment, thereby can be realized to the drilling equipment is realized to the drilling hole, and the drilling equipment is realized, and in addition, can be used to take place between the drilling equipment is realized, and the drilling equipment is rotated to the drilling equipment is realized, and is convenient to have realized, and the drilling equipment is used to be used to carry out the drilling equipment is convenient to be used to carry out.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (3)
1. The utility model provides an automatic drilling equipment of adjustable machinery, includes supporting seat (1), the last fixed surface of supporting seat (1) installs link (3), link (3) top inner wall is fixed with backup pad (5), its characterized in that: the bottom of the supporting plate (5) is provided with a drill bit (4), an adjusting device (6) capable of adjusting the position of the drill bit (4) is arranged between the drill bit (4) and the supporting plate (5), and the upper surface of the supporting seat (1) is provided with a fixing device (2) capable of fixing objects;
the adjusting device (6) comprises a telescopic rod (67), the telescopic rod (67) is slidably arranged at the bottom of the supporting plate (5), a connecting plate (62) is fixed at the bottom end of the telescopic rod (67), a limiting plate (63) is rotatably arranged below one end of the connecting plate (62), the drill bit (4) is fixedly arranged at the center of the bottom of the limiting plate (63), and a slidable clamping piece plate (614) is arranged between the limiting plate (63) and the side wall of the connecting plate (62);
a sliding groove (65) is formed in the bottom of the supporting plate (5), a sliding block (66) is slidably arranged on the inner wall of the sliding groove (65), and the top end of the telescopic rod (67) is fixedly arranged at the bottom of the sliding block (66);
a limit groove (64) is formed in the side wall of the supporting plate (5), a first bolt (61) is connected to the side wall of the sliding block (66) through threads, and the first bolt (61) penetrates through the limit groove (64);
the outer side wall of the telescopic rod (67) is connected with a second bolt (618) through threads, a first chute (615) is formed in the side wall of the connecting plate (62), a first sliding block (616) is installed in the first chute (615) in a sliding mode, and a third bolt (617) is connected with the side wall of the first sliding block (616) through threads;
the side wall of the limiting plate (63) is provided with a second chute (612), a third sliding block (613) is slidably arranged in the second chute (612), the outer side wall of the third sliding block (613) is connected with a fourth bolt (619) through threads, the clamping plate (614) is in an annular shape, and the clamping plate (614) penetrates through the outer side walls of the third bolt (617) and the fourth bolt (619);
clamping grooves (69) are formed in the end face of one end of the connecting plate (62), buckling plates (68) penetrate through the inner walls of the clamping grooves (69), buckles (611) are fixed to the end face of one end of the limiting plate (63), through-hole grooves (610) are formed in the outer side walls of the buckles (611), and the through-hole grooves (610) are matched with the buckling plates (68).
2. An adjustable mechanical automatic drilling device according to claim 1, characterized in that the fixing means (2) comprises a sliding groove (22), a sliding block (23) is slidably mounted inside the sliding groove (22), and a holding plate (21) is rotatably mounted on top of the sliding block (23).
3. An adjustable mechanical automation drilling device according to claim 2, wherein a handle is fixed on one side of the holding plate (21), a set of squeeze plates (22) are pivoted on the upper surface of the holding plate (21), two squeeze plates (22) are symmetrical about the central axis of the holding plate (21), and the squeeze plates (22) are connected with the holding plate (21) through torsion springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210179565.5A CN114453624B (en) | 2022-02-25 | 2022-02-25 | Adjustable mechanical automation drilling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210179565.5A CN114453624B (en) | 2022-02-25 | 2022-02-25 | Adjustable mechanical automation drilling equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114453624A CN114453624A (en) | 2022-05-10 |
| CN114453624B true CN114453624B (en) | 2024-01-09 |
Family
ID=81416366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210179565.5A Active CN114453624B (en) | 2022-02-25 | 2022-02-25 | Adjustable mechanical automation drilling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114453624B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229238A (en) * | 2022-09-22 | 2022-10-25 | 宿迁荣宇科技有限公司 | Multi-azimuth full-automatic drilling equipment for motorcycle engine cylinder head |
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| CN109954900A (en) * | 2017-12-22 | 2019-07-02 | 朱爱芳 | A kind of bit orientation is convenient for the lathe of adjusting |
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| CN211803998U (en) * | 2020-02-20 | 2020-10-30 | 徐州佳联农业发展有限公司 | Numerical control machine tool for drilling machining of mechanical workpiece |
| CN112024950A (en) * | 2020-08-24 | 2020-12-04 | 温州海源技术服务有限公司 | Machining drilling equipment |
| CN112238235A (en) * | 2020-10-12 | 2021-01-19 | 张锋凯 | Drilling equipment is used in door and window processing |
| CN112427686A (en) * | 2020-11-28 | 2021-03-02 | 安徽万航轨道交通装备有限公司 | Accurate drilling equipment for flywheel inclined hole in internal combustion engine |
| CN213350916U (en) * | 2020-10-16 | 2021-06-04 | 吉安市斌仔锻压机械有限公司 | Multi-angle drilling machine tool for machining flange |
| CN214161476U (en) * | 2020-12-16 | 2021-09-10 | 昌黎县通旺机械零部件加工有限公司 | Gas stove head punching device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7384220B2 (en) * | 2004-01-06 | 2008-06-10 | The Boeing Company | Laser-guided coordination hole drilling |
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2022
- 2022-02-25 CN CN202210179565.5A patent/CN114453624B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109954900A (en) * | 2017-12-22 | 2019-07-02 | 朱爱芳 | A kind of bit orientation is convenient for the lathe of adjusting |
| CN210475627U (en) * | 2019-09-30 | 2020-05-08 | 朱安雨 | Pipeline drilling equipment for water conservancy construction |
| CN211803998U (en) * | 2020-02-20 | 2020-10-30 | 徐州佳联农业发展有限公司 | Numerical control machine tool for drilling machining of mechanical workpiece |
| CN112024950A (en) * | 2020-08-24 | 2020-12-04 | 温州海源技术服务有限公司 | Machining drilling equipment |
| CN112238235A (en) * | 2020-10-12 | 2021-01-19 | 张锋凯 | Drilling equipment is used in door and window processing |
| CN213350916U (en) * | 2020-10-16 | 2021-06-04 | 吉安市斌仔锻压机械有限公司 | Multi-angle drilling machine tool for machining flange |
| CN112427686A (en) * | 2020-11-28 | 2021-03-02 | 安徽万航轨道交通装备有限公司 | Accurate drilling equipment for flywheel inclined hole in internal combustion engine |
| CN214161476U (en) * | 2020-12-16 | 2021-09-10 | 昌黎县通旺机械零部件加工有限公司 | Gas stove head punching device |
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| Publication number | Publication date |
|---|---|
| CN114453624A (en) | 2022-05-10 |
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