CN110281044B - Mechanical equipment manufacturing and drilling equipment for metal processing - Google Patents
Mechanical equipment manufacturing and drilling equipment for metal processing Download PDFInfo
- Publication number
- CN110281044B CN110281044B CN201910428550.6A CN201910428550A CN110281044B CN 110281044 B CN110281044 B CN 110281044B CN 201910428550 A CN201910428550 A CN 201910428550A CN 110281044 B CN110281044 B CN 110281044B
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- fixedly connected
- plate
- processing table
- drilling
- rod
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- 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
- B23B39/14—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines with special provision to enable the machine or the drilling or boring head to be moved into any desired position, e.g. with respect to immovable work
-
- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a drilling device for manufacturing mechanical equipment for metal processing, which comprises a bottom plate, wherein the upper end of the bottom plate is fixedly connected with two symmetrically-arranged stand columns, the upper ends of the two stand columns are fixedly connected with a same processing table, the upper end of the processing table is fixedly connected with two symmetrically-arranged fixed rods, the upper ends of the two fixed rods are fixedly connected with a same mounting frame, a drilling mechanism is arranged in the mounting frame, the upper end of the processing table is fixedly connected with a placing plate, a mounting groove is arranged in the processing table, a fixing mechanism is arranged in the mounting groove, and a protection mechanism is arranged at the upper end of the processing table. The device has good fixing effect on both the metal plate and the metal pipe, thereby ensuring the stability during drilling, improving the applicability of the device, shielding flying chips generated during drilling through the protective cover and ensuring the safety during drilling of the device.
Description
Technical Field
The invention relates to the technical field of metal processing, in particular to a mechanical equipment manufacturing and drilling device for metal processing.
Background
The drilling is the operation of processing a hole on a solid material, and the drilling device comprises an electric drill, a drilling machine and the like, so that the application is wide. Drilling equipment on the existing market is divided into three types of electric hand drills, impact drills and hammer drills, equipment for drilling holes in metal such as the electric hand drills, the impact drills and the hammer drills is single and tedious in production, general metal drilling holes are divided into two types, firstly, manual operation is performed, proficiency and precision required by the manual operation are higher, production efficiency is lower, and secondly, mechanical drilling holes are used for drilling small metal plates.
But current drilling equipment generally only has better fixed effect to the metal sheet, when driling to the tubular metal resonator work piece, because the tubular metal resonator fixed effect is not good enough, consequently, precision is low when causing the drilling, and the drilling is unstable, causes current drilling equipment poor suitability when using.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a mechanical equipment manufacturing drilling device for metal processing.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a mechanical equipment makes drilling equipment for metal processing, includes the bottom plate, two stands that the upper end fixedly connected with symmetry of bottom plate set up, two the same processing platform of upper end fixedly connected with of stand, two dead levers that the upper end fixedly connected with symmetry of processing platform set up, two the same installing frame of upper end fixedly connected with of dead lever, be equipped with drilling mechanism in the installing frame, the board is placed to the upper end fixedly connected with of processing platform, the inside mounting groove that is equipped with of processing platform, be equipped with fixed establishment in the mounting groove, processing bench end is equipped with protection machanism.
Preferably, drilling mechanism includes the fourth motor of fixed connection on the installing frame inner wall, the terminal fixedly connected with second screw rod of fourth motor output shaft, the other end of second screw rod rotates and connects on the inner wall of installing frame, the thread bush has been cup jointed on the second screw rod, be equipped with the guide bar parallel with the second screw rod in the installing frame, and the equal fixed connection in both ends of guide bar is on the inner wall of installing frame, the sliding sleeve has been cup jointed in the slip on the guide bar, fixedly connected with mounting panel between sliding sleeve and the thread bush, the upper end fixed cylinder of mounting panel, the vertical mounting panel and the fixedly connected with second motor that run through of piston end of cylinder, the output fixed connection drilling rod of second motor.
Preferably, fixed establishment includes that the level sets up the double threaded rod in the mounting groove, double threaded rod's both ends are all rotated and are connected on the inner wall of mounting groove, fixed mounting has the third motor on the lateral wall of processing platform, the end of third motor output shaft runs through processing platform and fixed connection in double threaded rod's one end, double threaded rod's the equal screw thread in both ends has cup jointed the movable block, processing bench is equipped with the movable groove that corresponds with the movable block position, two all be equipped with on the movable block and press from both sides tight structure, the lower extreme of processing platform is equipped with and is used for pulling the drive structure who presss from both sides tight structure action.
Preferably, press from both sides tight structure and include the lower plate of fixed connection in the movable block upper end, equal fixed cover of fixedly connected with, two on the both sides lateral wall of lower plate equal sliding connection has the gag lever post of vertical setting, two in the fixed cover the same punch holder of upper end fixedly connected with of gag lever post, the spring has been cup jointed on the lateral wall that the gag lever post is located the lower plate top, fixed connection is on punch holder and lower plate respectively at the both ends of spring, two fixedly connected with connecting plate between the lateral wall that the gag lever post is close to the lower extreme, the connecting plate is improved level and is run through and is equipped with the shifting chute.
Preferably, the driving structure comprises a moving rod arranged between the two upright posts, two ends of the moving rod respectively penetrate through moving grooves in the two connecting plates, the connecting plates are connected with the moving rod in a sliding mode, the first motor is fixedly installed at the lower end of the machining table, the tail end of an output shaft of the first motor faces downwards vertically and is fixedly connected with a first screw rod, and the lower end of the first screw rod penetrates through the moving rod and is in threaded connection with the moving rod.
Preferably, two all be equipped with spacing spout on the lateral wall of stand, two equal sliding connection has spacing slider in the spacing spout, the both ends of carriage release lever fixed connection respectively are on two spacing sliders.
Preferably, the side wall of the upper clamping plate is fixedly connected with a limiting clamping block, and the limiting clamping block is of an L-shaped structure.
Preferably, a shielding cloth is connected between the lower clamping plate and the inner wall of the movable groove.
Preferably, protection machanism establishes the protection casing in the installing frame outside including the cover, processing bench upper end fixed mounting has two electric lift poles, and electric lift pole is located the both sides of protection casing respectively, electric lift pole's flexible end up and fixed connection are on the lateral wall of protection casing.
The invention has the beneficial effects that:
through setting up fixed establishment, when needs are drilled on plate-shaped workpiece, will treat fixed metal sheet and arrange in and place the board on, start first motor, the first screw rod of drive rotates, and then make the carriage release lever move down, and then pull the connecting plate and move down, and then drive the punch holder through the gag lever post and move down and clip the both sides of metal sheet through spacing clamp splice, effectively fix the metal sheet, when needs are drilled on the metal pipe, place the tip of metal pipe between punch holder and the lower plate in, when starting first motor, can make the punch holder cooperation lower plate that moves down fixed the both ends of metal pipe, and then effectively fix the metal pipe, consequently, this equipment can both have fine fixed effect to metal sheet and metal pipe, and then stability when having guaranteed drilling, and improve equipment suitability.
Through setting up drilling mechanism, start the fourth motor, the drive second screw rod rotates, can make the thread bush remove, and then drives the mounting panel and remove, can adjust the position of drilling rod in a flexible way, can adjust the position of drilling in a flexible way.
Through setting up protection machanism, the flying chip that produces when accessible protection casing is to drilling shelters from, safety when guaranteeing equipment drilling.
Drawings
FIG. 1 is a schematic structural diagram of a mechanical equipment manufacturing and drilling device for metal processing according to the present invention;
FIG. 2 is a schematic structural diagram of a clamping structure of a mechanical equipment manufacturing and drilling device for metal processing according to the present invention;
FIG. 3 is a schematic structural diagram of a drilling mechanism of a mechanical equipment manufacturing drilling device for metal processing according to the present invention;
fig. 4 is an enlarged view of a portion a in fig. 1.
In the figure: 1 bottom plate, 2 stand columns, 3 movable rods, 4 limiting rods, 5 placing plates, 6 first screw rods, 7 first motors, 8 mounting grooves, 9 double-threaded rods, 10 movable blocks, 11 movable grooves, 12 processing tables, 13 fixed rods, 14 electric lifting rods, 15 protective covers, 16 mounting frames, 17 air cylinders, 18 second motors, 19 drill rods, 20 limiting clamping blocks, 21 upper clamping plates, 22 third motors, 23 limiting sliding grooves, 24 limiting sliding blocks, 25 springs, 26 fixed sleeves, 27 lower clamping plates, 28 connecting plates, 29 moving grooves, 30 fourth motors, 31 second screw rods, 32 threaded sleeves, 33 mounting plates, 34 guide rods, 35 sliding sleeves and 36 shielding cloth.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, a mechanical equipment manufacturing and drilling device for metal processing comprises a bottom plate 1, two columns 2 symmetrically arranged and fixedly connected to the upper end of the bottom plate 1, the same processing table 12 and fixedly connected to the upper end of the two columns 2, two fixing rods 13 symmetrically arranged and fixedly connected to the upper end of the processing table 12, the same mounting frame 16 and fixedly connected to the upper ends of the two fixing rods 13, a drilling mechanism is arranged in the mounting frame 16, a plate 5 is fixedly connected to the upper end of the processing table 12, a drilling groove is formed in the plate 5, a mounting groove 8 is formed in the processing table 12, a fixing mechanism is arranged in the mounting groove 8, and a protection mechanism is arranged at the upper end of the.
According to the invention, the drilling mechanism comprises a fourth motor 30 fixedly connected to the inner wall of the mounting frame 16, the tail end of an output shaft of the fourth motor 30 is fixedly connected with a second screw rod 31, the other end of the second screw rod 31 is rotatably connected to the inner wall of the mounting frame 16, a threaded sleeve 32 is sleeved on the second screw rod 31 in a threaded manner, a guide rod 34 parallel to the second screw rod 31 is arranged in the mounting frame 16, two ends of the guide rod 34 are fixedly connected to the inner wall of the mounting frame 16, a sliding sleeve 35 is sleeved on the guide rod 34 in a sliding manner, a mounting plate 33 is fixedly connected between the sliding sleeve 35 and the threaded sleeve 32, an air cylinder 17 is fixed at the upper end of the mounting plate 33, the piston end of the air cylinder 17 vertically penetrates through the mounting plate 33 and is fixedly connected with the second motor.
Specifically, the fixing mechanism comprises a double-threaded rod 9 horizontally arranged in the mounting groove 8, two ends of the double-threaded rod 9 are rotatably connected to the inner wall of the mounting groove 8, a third motor 22 is fixedly arranged on the side wall of the processing table 12, the tail end of an output shaft of the third motor 22 penetrates through the processing table 12 and is fixedly connected to one end of the double-threaded rod 9, movable blocks 10 are respectively in threaded sleeve connection with two ends of the double-threaded rod 9, a movable groove 11 corresponding to the position of each movable block 10 is arranged on the processing table 12, clamping structures are respectively arranged on the two movable blocks 10, a driving structure for drawing the clamping structures to act is arranged at the lower end of the processing table 12, the double-threaded rod 9 is driven to rotate by the third, can make two movable blocks 10 be close to in step or keep away from the removal, can adjust the interval that two press from both sides tight structure, and then can both carry out fine fixed to the metal work piece of different length specifications.
Specifically, press from both sides tight structure and include lower plate 27 of fixed connection in movable block 10 upper end, the fixed cover 26 of equal fixedly connected with on the both sides lateral wall of lower plate 27, equal sliding connection has the gag lever post 4 of vertical setting in two fixed covers 26, the same punch holder 21 of upper end fixedly connected with of two gag lever posts 4, spring 25 has been cup jointed on the lateral wall that gag lever post 4 is located lower plate 27 top, spring 25's both ends difference fixed connection is on punch holder 21 and lower plate 27, all be equipped with curved clamping face on punch holder 21 and the lower plate 27, two gag lever posts 4 are close to fixedly connected with connecting plate 28 between the lateral wall of lower extreme, the connecting plate 28 is improved level and is run through and is equipped with shifting chute 29.
Specifically, the driving structure includes the carriage release lever 3 that sets up between two stands 2, and the shifting chute 29 on two connecting plates 28 is run through respectively at the both ends of carriage release lever 3, and connecting plate 28 and carriage release lever 3 sliding connection, and fixed mounting is at the first motor 7 of processing platform 12 lower extreme, and the end of first motor 7 output shaft is vertical downwards and fixedly connected with first screw rod 6, and the lower extreme of first screw rod 6 runs through carriage release lever 3 and rather than threaded connection.
Further, all be equipped with spacing spout 23 on the lateral wall of two stands 2, equal sliding connection has spacing slider 24 in two spacing spouts 23, and fixed connection is on two spacing slider 24 respectively at the both ends of carriage release lever 3.
Specifically, the side wall of the upper clamping plate 21 is fixedly connected with a limiting clamping block 20, and the limiting clamping block 20 is of an L-shaped structure, so that the edge of the metal plate can be clamped and pressed down, and the metal plate can be effectively fixed.
Furthermore, a shielding cloth 36 is connected between the lower clamping plate 27 and the inner wall of the movable groove 11, and the shielding cloth 36 is a fireproof cloth and can effectively shield flying chips of the drilled holes.
Specifically, the protection mechanism includes a protection cover 15 covering the installation frame 16, two electric lift rods 14 are fixedly installed at the upper end of the processing table 12, the electric lift rods 14 are respectively located at two sides of the protection cover 15, and the telescopic ends of the electric lift rods 14 face upwards and are fixedly connected to the side wall of the protection cover 15.
When the device is used, when a hole needs to be drilled on a plate-shaped workpiece, a metal plate to be fixed is placed on the placing plate 5, the first motor 7 is started to drive the first screw rod 6 to rotate, the movable rod 3 moves downwards, the connecting plate 28 is further pulled to move downwards, the upper clamping plate 21 is further driven to move downwards through the limiting rod 4, two sides of the metal plate are clamped through the limiting clamping blocks 20, the metal plate is effectively fixed, when the hole needs to be drilled on the metal pipe, the end part of the metal pipe is placed between the upper clamping plate 21 and the lower clamping plate 27, when the first motor 7 is started, the upper clamping plate 21 moving downwards is matched with the lower clamping plate 27 to fix two ends of the metal pipe, and the metal pipe is further effectively fixed, therefore, the device has a good fixing effect on both the metal plate and the metal pipe, the stability during drilling is ensured, the applicability of the device is improved, and after the metal workpiece is fixed, the second motor 18 is started to drive the drill rod, start cylinder 17 and drive drilling rod 19 decline and drill, when needing to adjust the drilling position, start fourth motor 30, drive second screw rod 31 rotates, can make thread bush 32 remove, and then drive mounting panel 33 and remove, can adjust the position of drilling rod 19 in a flexible way, can adjust the position of drilling in a flexible way, start electric lift pole 14 and drive protection casing 15 and descend, the flying chip that produces when accessible protection casing 15 is to drilling shelters from, safety when guaranteeing equipment drilling.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (1)
1. A mechanical equipment manufacturing and drilling device for metal processing comprises a base plate (1), it is characterized in that the upper end of the bottom plate (1) is fixedly connected with two symmetrically arranged upright posts (2), the upper ends of the two upright posts (2) are fixedly connected with the same processing table (12), the upper end of the processing table (12) is fixedly connected with two symmetrically arranged fixed rods (13), the upper ends of the two fixed rods (13) are fixedly connected with the same mounting frame (16), a drilling mechanism capable of flexibly adjusting the drilling position is arranged in the mounting frame (16), the upper end of the processing table (12) is fixedly connected with a placing plate (5), a mounting groove (8) is arranged in the processing table (12), a fixing mechanism is arranged in the mounting groove (8), the upper end of the processing table (12) is provided with a protection mechanism for shielding drilling flying chips;
the drilling mechanism comprises a fourth motor (30) fixedly connected on the inner wall of the mounting frame (16), the tail end of an output shaft of the fourth motor (30) is fixedly connected with a second screw rod (31), the other end of the second screw rod (31) is rotatably connected on the inner wall of the mounting frame (16), a threaded sleeve (32) is sleeved on the second screw rod (31) in a threaded manner, a guide rod (34) parallel to the second screw rod (31) is arranged in the mounting frame (16), both ends of the guide rod (34) are fixedly connected to the inner wall of the mounting frame (16), the guide rod (34) is sleeved with a sliding sleeve (35) in a sliding mode, a mounting plate (33) is fixedly connected between the sliding sleeve (35) and the threaded sleeve (32), the upper end of the mounting plate (33) is fixedly provided with a cylinder (17), the piston end of the cylinder (17) vertically penetrates through the mounting plate (33) and is fixedly connected with a second motor (18), and the output end of the second motor (18) is fixedly connected with a drill rod (19);
the fixing mechanism comprises a rotatable double-threaded rod (9) which is horizontally arranged in the mounting groove (8), a third motor (22) is fixedly mounted on the side wall of the processing table (12), the tail end of an output shaft of the third motor (22) penetrates through the processing table (12) and is fixedly connected to one end of the double-threaded rod (9), movable blocks (10) are sleeved at two ends of the double-threaded rod (9) in a threaded manner, a clamping structure capable of well fixing a metal plate or a metal pipe is arranged on each movable block (10), and a driving structure used for drawing the clamping structure to move is arranged at the lower end of the processing table (12);
the clamping structure comprises a lower clamping plate (27) fixedly connected to the upper end of the movable block (10), fixed sleeves (26) are fixedly connected to the side walls of the two sides of the lower clamping plate (27), vertically arranged limiting rods (4) are slidably connected in the two fixed sleeves (26), the upper ends of the two limiting rods (4) are fixedly connected with the same upper clamping plate (21), springs (25) are sleeved on the side walls of the limiting rods (4) above the lower clamping plate (27), the two ends of each spring (25) are fixedly connected to the upper clamping plate (21) and the lower clamping plate (27) respectively, arc-shaped clamping surfaces are arranged on the upper clamping plate (21) and the lower clamping plate (27), a connecting plate (28) is fixedly connected between the side walls of the two limiting rods (4) close to the lower end, and a moving groove (29) is arranged on the connecting plate (;
the driving structure comprises a moving rod (3) arranged between two upright posts (2), two ends of the moving rod (3) respectively penetrate through moving grooves (29) on two connecting plates (28), the connecting plates (28) are in sliding connection with the moving rod (3), a first motor (7) is fixedly installed at the lower end of a processing table (12), the tail end of an output shaft of the first motor (7) faces downwards vertically and is fixedly connected with a first screw (6), and the lower end of the first screw (6) penetrates through the moving rod (3) and is in threaded connection with the moving rod;
protection machanism establishes protection casing (15) in the installing frame (16) outside including the cover, and processing platform (12) upper end fixed mounting has two electric lift pole (14), and electric lift pole (14) are located the both sides of protection casing (15) respectively, and the flexible end up and fixed connection of electric lift pole (14) are on the lateral wall of protection casing (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910428550.6A CN110281044B (en) | 2019-05-22 | 2019-05-22 | Mechanical equipment manufacturing and drilling equipment for metal processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910428550.6A CN110281044B (en) | 2019-05-22 | 2019-05-22 | Mechanical equipment manufacturing and drilling equipment for metal processing |
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| Publication Number | Publication Date |
|---|---|
| CN110281044A CN110281044A (en) | 2019-09-27 |
| CN110281044B true CN110281044B (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910428550.6A Active CN110281044B (en) | 2019-05-22 | 2019-05-22 | Mechanical equipment manufacturing and drilling equipment for metal processing |
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| CN (1) | CN110281044B (en) |
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| CN110842245A (en) * | 2019-10-14 | 2020-02-28 | 颜菁 | Automatic drilling and processing device for plate parts |
| CN110948006A (en) * | 2019-12-10 | 2020-04-03 | 江苏敦邦钢结构工程有限公司 | Modular drilling platform for assembled steel structure building |
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| CN111992776A (en) * | 2020-08-28 | 2020-11-27 | 刘微 | Drilling equipment for machining |
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| CN112338237A (en) * | 2020-10-14 | 2021-02-09 | 刘雪峰 | High-precision drilling machine |
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| CN112621247A (en) * | 2020-12-28 | 2021-04-09 | 上饶市广利装饰材料有限公司 | Efficient cutting equipment is used in aluminum product processing |
| CN112757022A (en) * | 2021-01-20 | 2021-05-07 | 普晓电气科技有限公司 | Drilling equipment is used in processing of iron annex |
| CN113117764A (en) * | 2021-04-08 | 2021-07-16 | 淄博职业学院 | Safety arrangement for chemistry experiments |
| CN113210659A (en) * | 2021-05-02 | 2021-08-06 | 许华 | Drilling equipment is used in processing of metal parts |
| CN115319145B (en) * | 2022-10-10 | 2023-08-18 | 南通友信环保科技有限公司 | Valve body forming device of soft sealing butterfly valve |
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| CN208276540U (en) * | 2018-04-26 | 2018-12-25 | 绍兴市海堂机械厂 | A kind of drilling equipment of spare parts processing machinery |
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| Publication number | Publication date |
|---|---|
| CN110281044A (en) | 2019-09-27 |
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Effective date of registration: 20210111 Address after: 225000 Wujian Town Industrial Park, Jiangdu District, Yangzhou City, Jiangsu Province Applicant after: Yangzhou YUEFA Electric Co.,Ltd. Address before: Wuhan University, 299 Bayi Road, Wuchang District, Wuhan City, Hubei Province, 430072 Applicant before: Li Yang |
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