CN213317882U - Oil mist suppression device for vertical drilling machine and vertical drilling machine - Google Patents
Oil mist suppression device for vertical drilling machine and vertical drilling machine Download PDFInfo
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- CN213317882U CN213317882U CN202022332083.8U CN202022332083U CN213317882U CN 213317882 U CN213317882 U CN 213317882U CN 202022332083 U CN202022332083 U CN 202022332083U CN 213317882 U CN213317882 U CN 213317882U
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Abstract
The embodiment of the present application provides an oil mist suppression device for a vertical drilling machine, the vertical drilling machine includes: the main shaft can do linear motion along the axis and/or rotate around the axis; the lock cutter seat is arranged at the lower end of the main shaft; the gun drill is locked on the cutter locking seat; the oil mist suppression device includes: a shield having upper and lower openings and arranged coaxially with the main shaft; the protective cover can move up and down along the axis of the spindle, so that the protective cover can block the cutting fluid rebounded from the cutter locking seat. The oil mist suppression device blocks and decelerates the cutting fluid rebounded and scattered from the cutter locking seat through the protective cover, and the dispersion and atomization of the cutting fluid are reduced.
Description
Technical Field
The application relates to the technical field of machining, in particular to an oil mist suppression device for a vertical drilling machine and the vertical drilling machine.
Background
When using the gun drill to bore hole at digit control machine tool, high-pressure smear metal liquid jets out from the cutter hole, bounce-back from the hole bottom of work piece makes progress blowout with iron fillings from the cutter chip groove, after hitting the lock blade seat, scatter to all directions irregularly, including the main shaft is at high-speed rotation, quickened the divergence of cutting fluid more, at this in-process, will form a large amount of oil mist or water smoke, these mists are difficult to retrieve, both caused a large amount of volatile consumptions of smear metal liquid, cause environmental pollution again.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides an oil mist suppression device for a vertical drilling machine and the vertical drilling machine, which can reduce scattering and atomization of cutting fluid.
The embodiment of the present application provides an oil mist suppression device for a vertical drilling machine, the vertical drilling machine includes:
the main shaft can do linear motion along the axis and/or rotate around the axis;
the lock cutter seat is arranged at the lower end of the main shaft;
the gun drill is locked on the cutter locking seat;
the oil mist suppressing device includes:
a shield having upper and lower openings and arranged coaxially with the main shaft;
the protective cover can move up and down along the axis of the main shaft, so that the protective cover can block the cutting fluid rebounded from the cutter locking seat.
Preferably, the protective cover can move up and down along the axis of the spindle between a first position and a second position, and when the protective cover moves to the first position, the protective cover covers a nut of the lock cutter seat inside; when the protective cover moves to the second position, the bottom of the protective cover is higher than the screw cap of the knife locking seat.
Preferably, the oil mist suppressing device further includes:
the mounting part is fixedly connected with the main shaft;
the protection casing with installation department sliding connection, the protection casing can follow on the installation department the axis of main shaft is in first position with slide from top to bottom between the second position.
Preferably, the mounting part comprises a plurality of guide rods, and the upper ends of the guide rods are provided with thread sections;
the main shaft is provided with a plurality of threaded holes matched with the threaded sections;
the plurality of guide rods are fixedly connected to the main shaft by the threaded sections being fitted into the threaded holes.
Preferably, the protective cover comprises a protective cover body and a plurality of guide sleeves arranged on the side portion of the protective cover body, and the guide sleeves are respectively sleeved on the guide rods and can respectively slide on the guide rods.
Preferably, the upper part and the lower part of the guide rod are respectively provided with a wave bead groove or a wave bead screw;
the guide sleeve is provided with a wave bead screw or a wave bead groove matched with the wave bead groove or the wave bead screw;
the guide sleeve slides up and down on the guide rod until the wave bead groove is matched with the wave bead screw, and the protective cover can be positioned at a first position or a second position.
Preferably, the shield body includes a cylindrical portion and a conical portion, a lower end of the cylindrical portion is connected to an upper end of the conical portion, the conical portion is contracted in a direction from top to bottom, and the plurality of guide sleeves are respectively disposed at side portions of the cylindrical portion.
Preferably, an upper opening of the cylindrical portion has an aperture larger than an outer diameter of a lower end of the main shaft.
Preferably, the oil mist suppressing device further includes:
the telescopic devices comprise a fixed part and a movable part, the movable part can perform telescopic motion on the fixed part, the fixed part is fixedly connected with the main shaft, and the movable part is fixedly connected with the protective cover;
the movable part can drive the protective cover to move up and down between a first position and a second position along the axis of the main shaft by telescopic movement.
The embodiment of the present application further provides a vertical drilling machine, including:
a base;
the workbench is arranged on the base and can move on the base along a first horizontal direction;
the first upright post is arranged on the base;
the second upright post is arranged on the first upright post and can move on the first upright post along a second horizontal direction;
the main spindle box is arranged on the second upright post and can move on the second upright post along the vertical direction, and the main spindle box comprises the oil mist suppression device.
The oil mist suppression device that this application embodiment provided slides the protection casing to the primary importance on the installation department at vertical drilling machine during operation, blocks the speed reduction to the smear metal liquid that bounces out from the lock tool seat through the protection casing, has reduced the dispersion and the atomizing of smear metal liquid.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic structural diagram of a vertical drilling machine 10 according to an embodiment of the present disclosure.
Fig. 2 is a schematic structural diagram of an oil mist suppression device for a vertical drilling machine according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of an oil mist suppression device for a vertical drilling machine according to an embodiment of the present application when in operation.
Fig. 4 is a schematic structural diagram of an oil mist suppression device for a vertical drilling machine when a tool is changed according to an embodiment of the application.
Fig. 5 is a schematic structural diagram of a guide rod according to an embodiment of the present disclosure.
Fig. 6 is a schematic structural diagram of a spindle of a vertical drilling machine according to an embodiment of the present application.
Fig. 7 is a schematic structural diagram of a protective cover according to an embodiment of the present application.
Fig. 8 is a front view of a protective cover according to an embodiment of the present disclosure.
Fig. 9 is a schematic structural view of another oil mist suppression device for a vertical drilling machine according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a vertical drilling machine. The vertical drilling machine can be used for processing holes on the surface of a workpiece. The workpiece may be, for example, a metal part, a plastic part, or the like. The holes can be round holes, square holes, blind holes, through holes, threaded holes and the like.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a vertical drilling machine 10 according to an embodiment of the present disclosure.
The vertical drill 10 includes a base 100, a table 200, a first column 300, a second column 400, and a headstock 500.
The base 100 is used to mount the vertical drill 10, for example, to mount the vertical drill 10 in a process shop. The chassis 100 may be a metal chassis, or the chassis 100 may be made of metal and plastic.
The table 200 is mounted on the base 100. The table 200 is used for placing a workpiece (a workpiece to be processed). For example, the table 200 may be provided with a clamping mechanism. The clamping mechanism is used for clamping the workpiece and preventing the workpiece from moving in the machining process.
Wherein the working platform 200 can move on the base 100, and the specific working platform 200 can move on the base 100 along the longitudinal direction. Thus, the longitudinal position of the workpiece relative to the drill bit can be adjusted by movement of the table 200 so that the vertical drill 10 can machine different longitudinal positions of the workpiece. For example, a slide rail may be provided on the base 100, and the table 202 may slide on the base 100 along the slide rail.
The surface of the worktable 200 may be horizontal, so that the workpiece may be horizontally placed on the worktable 200, which is beneficial to the processing of the workpiece.
The first shaft 300 is mounted on the base 100. For example, the first shaft 300 may be installed at one end of the base 100. The first upright 300 is used to support the upper structure of the vertical drill 10, for example, the second upright 400 and the headstock 500. First shaft 300 may be a metal shaft, or first shaft 300 may be made of metal and plastic.
Wherein second upright 400 is movable on first upright 300, and particularly second upright 400 is movable in a transverse direction on first upright 300. Thus, the lateral position of the workpiece with respect to the drill bit can be adjusted by the movement of the second upright 400, so that the vertical drill 10 can machine different lateral positions of the workpiece. For example, a slide rail may be provided on first shaft 300, and second shaft 400 may slide on first shaft 300 along the slide rail.
In some embodiments, first shaft 300 has first driving device 310 mounted thereon, and first driving device 310 includes a moving portion and a fixed portion. The moving part of first driving device 310 is mounted on second upright 400, the fixed part of first driving device 310 is mounted on first upright 300, and when first driving device 310 is operated, the moving part of first driving device 310 moves relative to the fixed part of first driving device 310, so that second upright 400 is driven to move on first upright 300. Alternatively, the first driving device 310 may be a hydraulic cylinder, a linear motor, or the like.
A second driving means 410 is installed on the second upright 400, and the second driving means 410 includes a moving part and a fixed part. The moving part of the second driving means 410 is mounted on the headstock 500, the fixed part of the second driving means 410 is mounted on the second column 400, and when the second driving means 410 is operated, the moving part of the second driving means 410 moves relative to the fixed part of the second driving means 410, so that the headstock 500 is driven to move on the second column 400. Alternatively, the second driving device 410 may be a hydraulic cylinder, a linear motor, or the like.
The headstock 500 includes a main shaft 510 and a third driving device 540, the upper end of the main shaft 510 is connected to the third driving device 540, and the third driving device 540 is used for driving the main shaft 510 to rotate, so as to drive a drill bit arranged on the main shaft 510 to perform a drilling operation. Alternatively, the third driving device 540 may be a motor, and power transmission between the motor and the main shaft 510 may be realized by a belt transmission, a gear transmission, or the like.
The lower end of the main shaft 510 is provided with a lock cutter seat 520, and the lock cutter seat 520 is provided with a gun drill 530. After the moving table 200 and the second upright 400 adjust the drilling position of the gun drill 530 relative to the workpiece, the second driving device 410 and the third driving device 540 work to drive the main shaft 510 to move linearly along the axis and/or rotate around the axis, so as to drive the gun drill 530 to move downwards and rotate, thereby performing the drilling operation on the workpiece.
The gun drill is an effective deep hole processing cutter, has a wide processing range, and can process deep holes from plastics such as die steel, glass fiber, Teflon and the like to high-strength alloy. The gun drill is classified into an integral type and a welding type according to the diameter of the gun drill and the conditions of inner cooling holes of a driving part, a shank part and a cutter head. The cooling liquid is sprayed out from the small hole on the back cutter surface. The gun drill may have one or two circular cooling holes, or a single kidney-shaped hole. Since the bit of the gun drill is made of cemented carbide, it can withstand much higher cutting speeds than a high-speed steel drill, which increases the feed per minute of the gun drill. In addition, when high-pressure cooling liquid is used, the chips can be effectively discharged from the machined hole, and the chips do not need to be discharged by withdrawing the cutter regularly in the drilling process.
However, when the drilling machine performs drilling operation, high-pressure cutting fluid is ejected from the inner hole of the gun drill 530, the iron chips are ejected upwards from the chip discharge groove of the tool by rebounding from the bottom of the hole of the workpiece, and are scattered irregularly in various directions after colliding against the tool locking seat 520, and the main shaft 510 rotates at a high speed, so that the cutting fluid is scattered more quickly, a large amount of oil mist or water mist is formed in the process, the mist is difficult to recover, and not only is a large amount of volatile consumption of the cutting fluid caused, but also environmental pollution is caused.
Referring to fig. 2, fig. 2 is a schematic structural diagram of an oil mist suppression device for a vertical drilling machine according to an embodiment of the present disclosure. In this embodiment, the vertical drill includes a spindle 510, the spindle 510 is driven by a driving device to move linearly along an axis thereof and/or rotate around the axis thereof, and further includes a cutter locking seat 520 and a gun drill 530, the cutter locking seat 520 is installed at a lower end of the spindle 510, and the gun drill 530 is locked to the cutter locking seat 520 by a nut 5210 of the cutter locking seat 520.
The oil mist suppressing device includes a shield 600 and a mounting portion 700. The mounting portion 700 is fixedly coupled to the main shaft 510. The shield 600 has upper and lower openings and is coaxially arranged with the main shaft 510. The upper and lower openings of the protection cover 600 are used for the lock tool seat 520 or the gun drill 530 at the lower end of the main shaft 510 to pass through. The shield 600 is slidably coupled to the mounting portion 700, and the shield 600 is slidable up and down on the mounting portion 700 along the axis of the main shaft 510 between a first position and a second position.
Referring to fig. 3 and 4, fig. 3 is a schematic structural diagram of an oil mist suppression device for a vertical drilling machine according to an embodiment of the present application when working, and fig. 4 is a schematic structural diagram of an oil mist suppression device for a vertical drilling machine according to an embodiment of the present application when a tool is changed. When the vertical drilling machine works, the protective cover 600 can slide on the mounting part 700 to a first position, the protective cover 600 covers the nut 5210 of the lock tool seat 520 inside, preferably, the middle part of the protective cover 600 is approximately level with the nut 5210 of the lock tool seat 520, and the specific relative position can be adjusted according to actual conditions; when the cutting fluid is sprayed upwards to the cutter locking seat 520 and rebounds, the protective cover 600 just blocks the cutting fluid rebounded from the cutter locking seat 520, guides the cutting fluid to flow out from the lower opening of the protective cover 600, and reduces the dispersion and atomization of the cutting fluid through the blocking speed of the protective cover 600. When the gun drill 530 is replaced in the vertical drilling machine, the protective cover 600 can be slid on the mounting part 700 to a second position, and the bottom of the protective cover 600 is higher than the nut 5210 of the cutter locking seat 5230, so that the mounting edge of the cutter locking seat 5230 is exposed from the bottom of the protective cover 600, and the gun drill 530 can be conveniently mounted and replaced.
Referring to fig. 2 and 5-7, fig. 5 is a schematic structural view of a guide rod according to an embodiment of the present disclosure, fig. 6 is a schematic structural view of a spindle of a vertical drilling machine according to an embodiment of the present disclosure, and fig. 7 is a schematic structural view of a protective cover according to an embodiment of the present disclosure. In this embodiment, the mounting portion 700 includes two guide rods 710, the upper ends of the guide rods 710 are provided with threaded sections 720, the main shaft 510 is provided with two threaded holes 550 matched with the threaded sections 720, and the two guide rods 710 are fixedly connected to the main shaft 510 by the threaded sections 720 being fitted into the threaded holes 550.
It should be understood that the guide rod 710 may also be fixedly connected to the main shaft 510 by other means, such as adding a flange to the guide rod 710, and fixedly connecting the flange to the main shaft 510 by a bolt, which is not limited in the embodiment of the present application.
The shield 600 includes a shield body 610 and two guide sleeves 620 disposed on two sides of the shield body 610, wherein the two guide sleeves 620 are respectively sleeved on the two guide rods 710 and can respectively slide on the two guide rods 710.
When the oil mist suppressing apparatus for a vertical drill is switched between the operation of the vertical drill and the replacement of the gun drill by the vertical drill, the manual toggle guide 620 slides on the guide rod 710 to drive the protective cover 600 to slide to the first position or the second position.
It should be understood that the number of the guide rod 710 and the guide sleeve 620 may be reasonably set according to the requirement, for example, the number may also be set to 3, 4, etc., which is not limited in the embodiments of the present application.
In alternative embodiments, the guide rod 710 may be configured as another sliding member, such as a sliding rail, and the guide sleeve 620 may be configured as another sliding body, such as a sliding block, that is slidably connected to the sliding member, which is not limited in this embodiment.
The upper portion and the lower portion of the guide rod 710 are respectively provided with a bead groove, the guide sleeve 620 is provided with a bead screw matched with the bead groove, when the guide sleeve 620 is manually shifted to slide up and down on the guide rod 710 to the bead groove to be matched with the bead screw, the protective cover 600 can be positioned at the first position or the second position and does not move, so that the protective cover 600 can stably block cutting fluid rebounded and scattered from the cutter locking seat 520, or the gun drill cannot be prevented from being replaced.
It should be understood that the positions of the bead grooves and the bead grooves may be interchanged, that is, the upper and lower portions of the guide rod 710 may be provided with bead screws, and the guide sleeve 620 may be provided with bead grooves.
In alternative embodiments, the guide rod 710 and the guide sleeve 620 may be positioned by screws, or by fasteners, etc.
Referring to fig. 7 and 8, fig. 8 is a front view of a protective cover according to an embodiment of the present disclosure. In this embodiment, the shield body 610 includes a cylindrical portion 630 and a conical portion 640, a lower end of the cylindrical portion 630 is connected to an upper end of the conical portion 640, the conical portion 640 contracts in a top-down direction, and the two guide sleeves 620 are respectively disposed on two sides of the cylindrical portion 630. Since the tapered tube portion 640 is contracted in the direction from the top to the bottom, the diameter of the lower opening of the shroud body 610 is small, and the swarf liquid can be led out and recovered from the lower opening of the shroud.
In some embodiments, the upper opening of the cylindrical portion 630 has a larger diameter than the outer diameter of the lower end of the main shaft 510, thereby facilitating the shield body 610 to move upward to expose the knife-mounting edge of the knife holder 5230.
Referring to fig. 9, fig. 9 is a schematic structural view of another oil mist suppression device for a vertical drilling machine according to an embodiment of the present application. In this embodiment, the vertical drill includes a spindle 510, the spindle 510 is linearly movable along an axis thereof and rotatable about the axis thereof by a driving device, and further includes a cutter locking seat 520 and a gun drill 530, the cutter locking seat 520 is installed at a lower end of the spindle 510, and the gun drill 530 is locked to the cutter locking seat 520 by a nut 5210 of the cutter locking seat 5230.
The oil mist suppression means comprises a shield 600 and a plurality of telescopic means 800, the telescopic means 800 being optionally a cylinder, a cylinder or a telescopic pull rod or the like. The telescopic device 800 comprises a fixed part 810 and a movable part 820, wherein the movable part 820 can perform telescopic movement on the fixed part 810, and the fixed part 810 is fixedly connected with the main shaft 510 and can be fixed by welding, bolt connection and the like. The shield 600 has upper and lower openings and is coaxially arranged with the main shaft 510. The upper and lower openings of the shield 600 are used for the lower end of the main shaft 510, through which the cutter holder 520 or the gun drill 530 passes. The protection cover 600 is fixedly connected with the movable portion 820, and can be fixed by welding, bolting, etc. The telescopic motion of the movable portion 820 can move the shield 600 up and down along the axis of the main shaft 510 between a first position and a second position.
When the vertical drilling machine works, the movable part 820 of the telescopic device 800 extends out to drive the protective cover 600 to move to a first position, the protective cover 600 covers the nut 5210 of the lock tool seat 520 inside, preferably, the middle part of the protective cover 600 is approximately level with the nut 5210 of the lock tool seat 520 at the moment, and the specific relative position can be adjusted according to actual conditions; when the cutting fluid is sprayed upwards to the cutter locking seat 520 and rebounds, the protective cover 600 just blocks the cutting fluid rebounded from the cutter locking seat 520, guides the cutting fluid to flow out from the lower opening of the protective cover 600, and reduces the dispersion and atomization of the cutting fluid through the blocking speed of the protective cover 600. When the gun drill 530 is replaced in the vertical drilling machine, the movable portion 820 of the retractable device 800 retracts to drive the protection cover 600 to move to the second position, and at this time, the bottom of the protection cover 600 is higher than the nut 5210 of the cutter locking seat 5230, so that the cutter mounting opening of the cutter locking seat 5230 is exposed, and the gun drill 530 is convenient to install and replace.
It is to be understood that in the description of the embodiments of the present application, terms such as "first", "second", and the like are used merely to distinguish similar objects, and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.
Furthermore, in the description of the embodiments of the present application, the term "mount" may include fixed mount, may also include sliding mount, may include detachable mount, and may also include non-detachable mount, as long as there is no conflict with the implementation of the present application.
The oil mist suppression device for a vertical drilling machine and the vertical drilling machine provided by the embodiment of the present application are described in detail above. The principles and implementations of the present application are described herein using specific examples, which are presented only to aid in understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. An oil mist suppression device for a vertical drilling machine, the vertical drilling machine comprising:
the main shaft can do linear motion along the axis and/or rotate around the axis;
the lock cutter seat is arranged at the lower end of the main shaft;
the gun drill is locked on the cutter locking seat;
the method is characterized in that: the oil mist suppressing device includes:
a shield having upper and lower openings and arranged coaxially with the main shaft;
the protective cover can move up and down along the axis of the main shaft, so that the protective cover can block the cutting fluid rebounded from the cutter locking seat.
2. The oil mist suppression device according to claim 1, wherein the shield is movable up and down along the axis of the spindle between a first position and a second position, the shield being capable of blocking the cutting fluid bouncing off the blade holder when moved to the first position; when the protective cover moves to the second position, the cutter mounting opening of the cutter locking seat is exposed out of the bottom of the protective cover.
3. The oil mist suppression device according to claim 2, further comprising:
the mounting part is fixedly connected with the main shaft;
the protection casing with installation department sliding connection, the protection casing can follow on the installation department the axis of main shaft is in first position with slide from top to bottom between the second position.
4. The oil mist suppression device according to claim 3, wherein the mounting portion includes a plurality of guide rods, and the upper ends of the guide rods are provided with threaded sections;
the main shaft is provided with a plurality of threaded holes matched with the threaded sections;
the plurality of guide rods are fixedly connected to the main shaft by the threaded sections being fitted into the threaded holes.
5. The oil mist suppression device according to claim 4, wherein the shield includes a shield body and a plurality of guide sleeves provided at a side portion of the shield body, the plurality of guide sleeves being respectively fitted over the plurality of guide rods and being respectively slidable on the plurality of guide rods.
6. The oil mist suppressing device according to claim 5, wherein the guide rod is provided at upper and lower portions thereof with a bead recess or a bead screw, respectively;
the guide sleeve is provided with a wave bead screw or a wave bead groove matched with the wave bead groove or the wave bead screw;
the guide sleeve slides up and down on the guide rod until the wave bead groove is matched with the wave bead screw, and the protective cover can be positioned at a first position or a second position.
7. The oil mist suppressing device according to claim 5 or 6, wherein the shield body includes a cylindrical portion and a tapered cylindrical portion, a lower end of the cylindrical portion is connected to an upper end of the tapered cylindrical portion, the tapered cylindrical portion is constricted in a direction from above to below, and the plurality of guide sleeves are respectively provided on side portions of the cylindrical portion.
8. The oil mist suppression device according to claim 7, wherein an opening diameter of an upper opening of the cylindrical portion is larger than an outer diameter of a lower end of the main shaft.
9. The oil mist suppression device according to claim 2, further comprising:
the telescopic devices comprise a fixed part and a movable part, the movable part can perform telescopic motion on the fixed part, the fixed part is fixedly connected with the main shaft, and the movable part is fixedly connected with the protective cover;
the movable part can drive the protective cover to move up and down between a first position and a second position along the axis of the main shaft by telescopic movement.
10. A vertical drilling machine, comprising:
a base;
the workbench is arranged on the base and can move on the base along a first horizontal direction;
the first upright post is arranged on the base;
the second upright post is arranged on the first upright post and can move on the first upright post along a second horizontal direction;
a headstock mounted on the second column, the headstock being vertically movable on the second column, the headstock including the oil mist suppression device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022332083.8U CN213317882U (en) | 2020-10-19 | 2020-10-19 | Oil mist suppression device for vertical drilling machine and vertical drilling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022332083.8U CN213317882U (en) | 2020-10-19 | 2020-10-19 | Oil mist suppression device for vertical drilling machine and vertical drilling machine |
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| CN213317882U true CN213317882U (en) | 2021-06-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501066A (en) * | 2021-08-12 | 2021-10-15 | 萍乡泽昊新材料有限责任公司 | Scraped car oil drain platform that security performance is high |
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2020
- 2020-10-19 CN CN202022332083.8U patent/CN213317882U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501066A (en) * | 2021-08-12 | 2021-10-15 | 萍乡泽昊新材料有限责任公司 | Scraped car oil drain platform that security performance is high |
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