CN110293434B - Multi-axis milling numerical control machine tool - Google Patents
Multi-axis milling numerical control machine tool Download PDFInfo
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- CN110293434B CN110293434B CN201910686167.0A CN201910686167A CN110293434B CN 110293434 B CN110293434 B CN 110293434B CN 201910686167 A CN201910686167 A CN 201910686167A CN 110293434 B CN110293434 B CN 110293434B
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- sliding platform
- ring sleeve
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- telescopic cylinder
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- 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
- B23Q11/0042—Devices for removing chips
- B23Q11/0046—Devices for removing chips by sucking
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- 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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- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/26—Fluid-pressure drives
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention relates to the technical field of numerical control machine tool equipment, and particularly discloses a multi-axis milling numerical control machine tool, which comprises a base and a milling table rotationally arranged on the base, wherein support columns are symmetrically and fixedly arranged at two ends of the base, a sliding platform is movably arranged between the two support columns, a second hydraulic telescopic cylinder is arranged in the middle of the sliding platform, and a milling machine head for milling a workpiece is arranged at the bottom end of a piston rod on the second hydraulic telescopic cylinder; the middle part below of sliding platform is equipped with and encircles and locate milling aircraft nose outlying encircles dust absorption portion, encircle dust absorption portion and pass through the dust absorption pipe and be in dust catcher on the sliding platform links to each other. In the numerical control machine tool for multi-axis milling provided by the embodiment of the invention, the dust is absorbed by the surrounding dust absorption part connected and matched with the dust collector, so that the problems of untimely dust absorption and poor dust absorption effect caused by too single dust absorption direction can be effectively avoided.
Description
Technical Field
The invention relates to the technical field of numerical control machine tool equipment, in particular to a numerical control machine tool for multi-axis milling.
Background
Machine tools are machines for manufacturing machines, also called machine tools or machine tools, which are conventionally referred to as machine tools for short. Generally, the machining method is divided into a metal cutting machine, a forging machine, a woodworking machine and the like. The methods for machining machine parts in modern machine manufacturing are numerous: in addition to cutting, casting, forging, welding, pressing, extruding, etc., however, in general, a part requiring high precision and fine surface roughness is finished by cutting on a machine tool. The machine tool plays an important role in the construction of national economy modernization.
The numerical control machine tool for multi-axis milling can generate certain waste dust due to accurate cutting and other processing when in use, the waste dust not only has certain influence on the cutting processing, but also can pollute the environment, and the health of workers is influenced.
Disclosure of Invention
The invention aims to provide a numerical control machine tool for multi-axis milling, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a numerical control machine tool for multi-axis milling comprises a base and a milling table rotatably arranged on the base, wherein a workpiece to be milled is arranged on the milling table, support columns are symmetrically and fixedly arranged at two ends of the base, a sliding platform is movably arranged between the two support columns, a second hydraulic telescopic cylinder is arranged in the middle of the sliding platform, and a milling machine head for milling the workpiece is arranged at the bottom end of a piston rod on the second hydraulic telescopic cylinder;
a surrounding dust collection part arranged around the periphery of the milling machine head is arranged below the middle part of the sliding platform, and the surrounding dust collection part is connected with a dust collector arranged on the sliding platform through a dust collection pipe;
and the supporting column is provided with a horizontal driving assembly for pushing the sliding platform to move.
As a further scheme of the invention: the horizontal driving assembly comprises a positive and negative rotation servo motor fixedly arranged on the sliding platform, and an output shaft of the positive and negative rotation servo motor is provided with a first driving gear; and a supporting rack meshed with the first driving gear is fixedly arranged on the inner side wall of the top of the supporting column.
As a further scheme of the invention: for guaranteeing the stability of sliding platform horizontal motion, the equal fixed mounting in both ends of sliding platform has the guide rail piece, all seted up on the inside wall of two support columns with guide rail piece matched with guide rail groove.
As a further scheme of the invention: encircle dust absorption portion including fixed locating convex ring cover and the swivel mount of sliding platform below are located concave ring cover outside the convex ring cover forms the dust absorption chamber between convex ring cover and the concave ring cover, the bottom plate of concave ring cover seted up with the communicating dust absorption mouth in dust absorption chamber, the dust absorption pipe passes and extends to behind the roof of convex ring cover in the dust absorption intracavity.
As a further scheme of the invention: the convex ring sleeve is arranged on the lower surface of the sliding platform through a supporting rod supporting and fixing frame fixedly connected with the top surface of the convex ring sleeve.
As a further scheme of the invention: the sliding platform is provided with a driving motor for driving the concave ring sleeve to rotate relative to the convex ring sleeve;
and a second driving gear is installed on an output shaft of the driving motor, and a first annular rack meshed with the second driving gear is fixedly installed on the outer wall of the upper part of the side plate of the concave ring sleeve.
As a further scheme of the invention: the bottom end of a piston rod of the second hydraulic telescopic cylinder extends to the lower part of the sliding platform, a fixed clamping sleeve is fixedly installed at the bottom end of the piston rod of the second hydraulic telescopic cylinder, and the milling machine head is installed on the fixed clamping sleeve in a detachable mode; the milling machine head is arranged along the central axis of the convex ring sleeve.
As a further scheme of the invention: and the upper surface of the sliding platform is respectively provided with a first mounting groove matched with the second hydraulic telescopic cylinder and a second mounting groove matched with the driving motor.
As a further scheme of the invention: the milling machine is characterized in that a support groove is formed in the machine base, a first hydraulic telescopic cylinder support frame arranged on the bottom face of the end portion of the support box is arranged in the support groove, a rotating column for supporting the milling table is arranged in the support box in a rotating mode, and an adjusting motor for driving the milling table to rotate is installed on the rotating column.
As a further scheme of the invention: the output shaft of the adjusting motor is provided with a third driving gear, the lower surface of the milling table is fixedly provided with a second annular rack meshed with the third driving gear, after the adjusting motor is connected to a power supply and started, the adjusting motor drives the third driving gear to rotate, and the third driving gear is meshed with the second annular rack, so that the milling table can be driven to rotate.
Compared with the prior art, in the numerical control machine tool for multi-axis milling provided by the embodiment of the invention, a workpiece to be milled is placed on the milling table, the rotation direction of the milling table is adjusted as required, the position of the sliding platform is adjusted by using the horizontal driving assembly so that the milling machine head is aligned to the position to be processed of the workpiece, then the second hydraulic telescopic cylinder is used for pushing the milling machine head to move downwards, and the workpiece is milled by using the operating milling machine head; wherein, to the crushing that produces among the work piece milling process, utilize and be connected the complex with the dust catcher and encircle the absorption that dust absorption portion realized the dust, when the dust catcher synchronous start, near the dust that produces of milling machine head gets into in the dust catcher through the dust absorption pipe after the dust absorption mouth inhales the dust absorption intracavity, wherein, because the concave ring cover is rotatory around the convex ring cover for the dust absorption mouth rotates and encircles the round in the milling machine head, can effectively avoid because of the too single dust absorption that leads to of dust absorption direction untimely, the poor problem of dust absorption effect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a schematic structural diagram of a numerical control machine tool for multi-axis milling according to an embodiment of the present invention.
Fig. 2 is a structural diagram of a milling table in a numerical control machine tool for multi-axis milling according to an embodiment of the present invention.
Fig. 3 is a perspective view of a rotating outer cylinder in a multi-axis milling numerical control machine tool according to an embodiment of the present invention.
Fig. 4 is a perspective view of a support inner barrel in a multi-axis milling numerical control machine according to an embodiment of the present invention.
Fig. 5 is a perspective view of a sliding platform in a multi-axis milling numerical control machine according to an embodiment of the present invention.
In the figure: 1-machine base, 2-supporting groove, 3-first hydraulic telescopic cylinder, 4-milling table, 5-supporting box, 6-supporting column, 7-sliding platform, 8-second hydraulic telescopic cylinder, 9-fixed jacket, 10-milling machine head, 11-guide rail block, 12-guide rail groove, 13-positive and negative rotation servo motor, 14-supporting rack, 15-first driving gear, 16-driving motor, 17-second driving gear, 18-first annular rack, 19-convex ring sleeve, 20-concave ring sleeve, 21-dust suction nozzle, 22-supporting rod, 23-dust suction pipe, 24-dust suction machine, 25-rotating column, 26-third driving gear, 27-regulating motor, 28-second annular rack, 29-the first mounting groove, 30-the second mounting groove.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 5, in an embodiment provided by the present invention, a multi-axis milling numerical control machine tool includes a base 1 and a milling table 4 rotatably disposed on the base 1, and a workpiece to be milled is disposed on the milling table 4, it can be understood that the workpiece to be milled can be clamped and fixed by a clamp not shown in the drawing disposed on the milling table 4.
Furthermore, in the embodiment provided by the invention, two ends of the machine base 1 are symmetrically and fixedly provided with supporting columns 6, a sliding platform 7 is movably erected between the two supporting columns 6, the middle part of the sliding platform 7 is provided with a second hydraulic telescopic cylinder 8, the bottom end of a piston rod on the second hydraulic telescopic cylinder 8 is provided with a milling machine head 10 for milling a workpiece, a surrounding dust collection part surrounding the periphery of the milling machine head 10 is arranged below the middle part of the sliding platform 7, and the surrounding dust collection part is connected with a dust collector 24 arranged on the sliding platform 7 through a dust collection pipe 23.
Referring to fig. 1, in the embodiment of the present invention, a horizontal driving component for driving the sliding platform 7 to move is disposed on the supporting column 6.
Specifically, the horizontal driving assembly comprises a forward and reverse rotation servo motor 13 fixedly mounted on the sliding platform 7, and a first driving gear 15 is mounted on an output shaft of the forward and reverse rotation servo motor 13; fixed be equipped with on the top inside wall of support column 6 with the support rack 14 of first driving gear 15 engaged with, after positive and negative servo motor 13 inserts the power and starts, positive and negative servo motor 13 drive first driving gear 15 is rotatory, because first driving gear 15 meshes with support rack 14 mutually, when first driving gear 15 is rotatory, under the linkage mating reaction of support rack 14, because support column 6 is fixed motionless with support rack 14 time, consequently, can promote and move with positive and negative servo motor 13 fixed connection's sliding platform 7.
Furthermore, in order to ensure the stability of the horizontal movement of the sliding platform 7, guide rail blocks 11 are fixedly mounted at the two ends of the sliding platform 7, and guide rail grooves 12 matched with the guide rail blocks 11 are formed in the inner side walls of the two supporting columns 6.
As shown in fig. 1, 3 and 4, in the embodiment of the present invention, the surrounding dust suction part includes a convex ring sleeve 19 fixedly disposed below the sliding platform 7 and a concave ring sleeve 20 rotatably disposed outside the convex ring sleeve 19, a dust suction cavity is formed between the convex ring sleeve 19 and the concave ring sleeve 20, a dust suction nozzle 21 communicated with the dust suction cavity is disposed on a bottom plate of the concave ring sleeve 20, and the dust suction pipe 23 extends into the dust suction cavity after passing through a top plate of the convex ring sleeve 19;
wherein, the convex ring sleeve 19 is supported and fixed on the lower surface of the sliding platform 7 through a supporting rod 22 fixedly connected with the top surface of the convex ring sleeve.
In the embodiment provided by the present invention, the milling machine head 10 is disposed along the central axis of the convex ring sleeve 19, the sliding platform 7 is provided with a driving motor 16 for driving the concave ring sleeve 20 to rotate relative to the convex ring sleeve 19, specifically, an output shaft of the driving motor 16 is provided with a second driving gear 17, the outer wall of the upper portion of the side plate of the concave ring sleeve 20 is fixedly provided with a first annular rack 18 engaged with the second driving gear 17, the driving motor 16 which is connected to a power supply and started drives the second driving gear 17 to rotate, and the second driving gear 17 is engaged with the first annular rack 18, so that the concave ring sleeve 20 can be driven to rotate relative to the convex ring sleeve 19;
therefore, when the dust collector 24 is started synchronously, dust generated near the milling machine head 10 is sucked into the dust suction cavity through the dust suction nozzle 21 and then enters the dust collector 24 through the dust suction pipe 23, wherein the dust suction nozzle 21 rotates around the milling machine head 10 by one circle due to the fact that the concave ring sleeve 20 rotates around the convex ring sleeve 19, and the problems of untimely dust suction and poor dust suction effect caused by too single dust suction direction can be effectively solved.
Further, the bottom end of the piston rod of the second hydraulic telescopic cylinder 8 extends to the lower side of the sliding platform 7, a fixed clamping sleeve 9 is fixedly installed at the bottom end of the piston rod of the second hydraulic telescopic cylinder 8, and the milling machine head 10 is installed on the fixed clamping sleeve 9 in a detachable mode.
In order to ensure the stability of the second hydraulic telescopic cylinder 8 and the driving motor 16 on the sliding platform 7, as shown in fig. 1 and 5, in the embodiment of the present invention, a first mounting groove 29 adapted to the second hydraulic telescopic cylinder 8 and a second mounting groove 30 adapted to the driving motor 16 are respectively formed on the upper surface of the sliding platform 7.
As shown in fig. 1-2, in order to realize the rotation of the milling table 4, in another embodiment provided by the present invention, a support groove 2 is formed on the machine base 1, the support box 5 is supported in the support groove 2 by a first hydraulic telescopic cylinder 3 arranged on the bottom surface of the end portion of the support box 5, a rotation column 25 for supporting the milling table 4 is rotatably arranged in the support box 5, and an adjusting motor 27 for driving the milling table 4 to rotate is mounted on the rotation column 25;
specifically, a third driving gear 26 is mounted on an output shaft of the adjusting motor 27, a second annular rack 28 meshed with the third driving gear 26 is fixedly mounted on the lower surface of the milling table 4, when the adjusting motor 27 is powered on and started, the adjusting motor 27 drives the third driving gear 26 to rotate, and the third driving gear 26 is meshed with the second annular rack 28, so that the milling table 4 can be driven to rotate.
In summary, in the numerical control machine tool for multi-axis milling provided in the embodiment of the present invention, a workpiece to be milled is placed on the milling table 4, and after the rotation direction of the milling table 4 is adjusted as required, the position of the sliding platform 7 is adjusted by using the horizontal driving assembly, so that the milling head 10 is aligned with the position to be processed of the workpiece, and then the second hydraulic telescopic cylinder 8 is used to push the milling head 10 to move downward, so that the workpiece is milled by using the operating milling head 10;
the grinding device comprises a milling machine head 10, a dust suction pipe 23, a concave ring sleeve 20, a convex ring sleeve 19, a dust suction nozzle 21, a dust suction pipe 23, a dust suction pipe 24, a dust suction pipe and a dust suction pipe, wherein the dust suction pipe, the dust suction pipe and the dust suction pipe are connected and matched with the dust suction pipe 24, the dust suction pipe.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The numerical control machine tool for multi-axis milling is characterized by comprising a machine base (1) and a milling table (4) rotatably arranged on the machine base (1), wherein support columns (6) are symmetrically and fixedly arranged at two ends of the machine base (1), a sliding platform (7) is movably arranged between the two support columns (6), a second hydraulic telescopic cylinder (8) is arranged in the middle of the sliding platform (7), and a milling machine head (10) for milling a workpiece is arranged at the bottom end of a piston rod on the second hydraulic telescopic cylinder (8);
a surrounding dust collection part arranged around the periphery of the milling machine head (10) is arranged below the middle part of the sliding platform (7), and the surrounding dust collection part is connected with a dust collector (24) arranged on the sliding platform (7) through a dust collection pipe (23);
a horizontal driving component for pushing the sliding platform (7) to move is arranged on the supporting column (6);
the horizontal driving assembly comprises a positive and negative rotation servo motor (13) fixedly arranged on the sliding platform (7), and an output shaft of the positive and negative rotation servo motor (13) is provided with a first driving gear (15); a supporting rack (14) meshed with the first driving gear (15) is fixedly arranged on the inner side wall of the top of the supporting column (6);
guide rail blocks (11) are fixedly mounted at two ends of the sliding platform (7), and guide rail grooves (12) matched with the guide rail blocks (11) are formed in the inner side walls of the two support columns (6);
the surrounding dust collection part comprises a convex ring sleeve (19) fixedly arranged below the sliding platform (7) and a concave ring sleeve (20) rotatably arranged outside the convex ring sleeve (19), a dust collection cavity is formed between the convex ring sleeve (19) and the concave ring sleeve (20), a dust collection nozzle (21) communicated with the dust collection cavity is formed in the bottom plate of the concave ring sleeve (20), and the dust collection pipe (23) penetrates through the top plate of the convex ring sleeve (19) and then extends into the dust collection cavity;
the convex ring sleeve (19) is supported and fixed on the lower surface of the sliding platform (7) through a supporting rod (22) fixedly connected with the top surface of the convex ring sleeve; a driving motor (16) for driving the concave ring sleeve (20) to rotate relative to the convex ring sleeve (19) is arranged on the sliding platform (7); a second driving gear (17) is mounted on an output shaft of the driving motor (16), and a first annular rack (18) meshed with the second driving gear (17) is fixedly mounted on the outer wall of the upper part of a side plate of the concave ring sleeve (20);
the bottom end of a piston rod of the second hydraulic telescopic cylinder (8) extends to the lower part of the sliding platform (7), a fixed jacket (9) is fixedly installed at the bottom end of the piston rod of the second hydraulic telescopic cylinder (8), and the milling machine head (10) is installed on the fixed jacket (9) in a detachable mode; the milling machine head (10) is arranged along the central axis of the convex ring sleeve (19).
2. The numerical control machine tool for multi-axis milling machining according to claim 1, characterized in that the upper surface of the sliding platform (7) is respectively provided with a first mounting groove (29) adapted to the second hydraulic telescopic cylinder (8) and a second mounting groove (30) adapted to the driving motor (16).
3. The numerical control machine tool for multi-axis milling according to claim 1, wherein a support groove (2) is formed in the machine base (1), a support box (5) is supported in the support groove (2) through a first hydraulic telescopic cylinder (3) arranged on the bottom surface of the end portion of the support box, a rotating column (25) for supporting the milling table (4) is rotationally arranged in the support box (5), and an adjusting motor (27) for driving the milling table (4) to rotate is mounted on the rotating column (25).
4. The numerical control machine for multi-axis milling according to claim 3, characterized in that a third pinion (26) is mounted on the output shaft of the adjustment motor (27), and a second annular rack (28) engaged with the third pinion (26) is fixedly mounted on the lower surface of the milling table (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910686167.0A CN110293434B (en) | 2019-07-26 | 2019-07-26 | Multi-axis milling numerical control machine tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910686167.0A CN110293434B (en) | 2019-07-26 | 2019-07-26 | Multi-axis milling numerical control machine tool |
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| CN110293434A CN110293434A (en) | 2019-10-01 |
| CN110293434B true CN110293434B (en) | 2021-02-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111037163B (en) * | 2019-12-27 | 2021-12-14 | 广东双兴新材料集团有限公司 | Production equipment and process method of stainless steel pipe for gas |
| CN111215957B (en) * | 2020-02-12 | 2021-01-26 | 北京英迈特科贸有限公司 | High-efficiency metal cutting machine tool |
| CN113290389B (en) * | 2021-07-01 | 2022-07-08 | 安徽驭风风电设备有限公司 | Intelligent milling device for end part of fan blade |
| CN114571303B (en) * | 2022-05-06 | 2022-07-26 | 成都大学 | Metal rim corrosion surface repairing and milling machine tool |
| CN115302301B (en) * | 2022-10-11 | 2023-01-03 | 眉山职业技术学院(眉山技师学院) | Comprehensive processing machine tool and automatic production line for precision-machined parts |
| CN115971956B (en) * | 2023-01-12 | 2023-09-19 | 深圳市富诺威电子科技有限公司 | Board separator with multiaxis removes function for printed circuit board processing |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3837383A (en) * | 1972-11-09 | 1974-09-24 | K Ko | Dust collector and safety guard |
| DE3734127A1 (en) * | 1987-10-09 | 1989-04-20 | Festo Kg | Machine for machining workpieces |
| CN101653842B (en) * | 2009-09-09 | 2012-05-23 | 安徽同兴科技发展有限责任公司 | Multi-mainshaft numerical-control processing center |
| CN203863447U (en) * | 2014-04-01 | 2014-10-08 | 河北科技大学 | Dust collection type plane polishing machine |
| CN206536057U (en) * | 2017-01-10 | 2017-10-03 | 戴恩（天津）科技有限公司 | A kind of CNC milling machine |
| CN206780191U (en) * | 2017-06-16 | 2017-12-22 | 江雪萍 | A kind of mechanical grinding device with dust reduction capability |
| CN207629415U (en) * | 2017-12-20 | 2018-07-20 | 东莞市拓酷电子科技有限公司 | A kind of guide rail module processing laser cutting machine |
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