CN112965539A - Oil tank liquid level holding device for numerical control machine tool - Google Patents
Oil tank liquid level holding device for numerical control machine tool Download PDFInfo
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- CN112965539A CN112965539A CN202110208755.0A CN202110208755A CN112965539A CN 112965539 A CN112965539 A CN 112965539A CN 202110208755 A CN202110208755 A CN 202110208755A CN 112965539 A CN112965539 A CN 112965539A
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- 239000007788 liquid Substances 0.000 title claims abstract description 110
- 230000007246 mechanism Effects 0.000 claims abstract description 74
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 238000003860 storage Methods 0.000 claims abstract description 27
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 8
- 239000010721 machine oil Substances 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000005188 flotation Methods 0.000 description 5
- 239000000945 filler Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000008531 maintenance mechanism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides an oil tank liquid level keeping device for a numerical control machine, which relates to the technical field of liquid level keeping and solves the problems that the oil tank liquid level keeping in the existing numerical control machine is usually monitored and kept by a sensor, but the sensor is influenced by oil stains sometimes, so that the detection fails, the oil liquid keeping mode is single, the supply of the returned oil liquid after treatment cannot be carried out, and the normal operation of a machine is influenced due to the existence of impurities, the oil tank liquid level keeping device comprises a sealing mechanism, the sealing mechanism is clamped at the top end position of a bearing mechanism, in the invention, a flow making ball is driven to float upwards synchronously by an upright post when a floating tank floats upwards, so that a liquid inlet pipe is blocked by the flow making ball when the oil liquid in the tank reaches a limited value, so as to achieve the purpose of keeping the liquid level, and a liquid supply keeping mechanism is also arranged on the right side of the top end surface of a cover plate, the liquid supply pipe and the temporary storage tank jointly form a siphon mechanism for maintaining the liquid level of the liquid supply.
Description
Technical Field
The invention belongs to the technical field of liquid level keeping, and particularly relates to an oil tank liquid level keeping device for a numerical control machine tool.
Background
The numerical control machine tool automatically processes the processed parts according to a processing program programmed in advance. The machining process route, the process parameters, the movement track, the displacement, the cutting parameters and the auxiliary functions of a part are compiled into a machining program list according to instruction codes and program formats specified by a numerical control machine, the content in the program list is recorded on a control medium and then is input into a numerical control device of the numerical control machine, so that the machine tool is instructed to machine the part, and an oil tank in the numerical control machine needs to be kept by a sensor when supplying oil, but the mode has a large defect.
For example, application No.: CN201610769169.2, the invention discloses a liquid level holding device in a plating bath, which comprises a water baffle, a mounting seat and an elastic sealing body, wherein the width of the water baffle is greater than that of a through opening of an upper bath; the mounting seat is arranged in the upper groove and is suitable for detachably mounting the water baffle in the upper groove in parallel with the wall surface of the upper groove with the through hole; the elastic sealing body is fixed on the surface of one side of the water baffle, which faces the through opening, and is arranged corresponding to the two sides and the lower side of the through opening; one side surface facing the water baffle and the water baffle form a sealed inner cavity, and one side surface back to the water baffle is used as a sealing surface; the filler is driven into the sealing inner cavity to prop open the sealing body, the sealing surface can be attached to the wall surface with the through hole in a sealing mode, and the solution in the upper groove and the solution in the backflow groove are cut off. The filler is filled into the sealing inner cavity of the sealing body to keep a long-term expansion state, so that no wrinkle phenomenon occurs, the outer surface of the sealing inner cavity can be sealed with the side wall of the upper groove, and the liquid level height of the electroplating liquid in the upper groove is kept from falling.
Based on the search of above-mentioned patent to and combine the equipment discovery among the prior art, above-mentioned equipment is when using, though can certain liquid level keep, but the oil tank liquid level in the digit control machine tool keeps adopting the sensor to monitor constantly and keeps, but the sensor can be influenced its precision by the greasy dirt sometimes, and then can lead to detecting the failure, and the form that oil kept is single moreover, can't handle the supply after to the machine oil liquid after the backward flow, can cause the influence because of there being impurity to the normal operation of machine.
Disclosure of Invention
In order to solve the technical problems, the invention provides a machine oil tank liquid level holding device for a numerical control machine tool, which aims to solve the problems that the liquid level of the machine oil tank in the existing numerical control machine tool is always monitored and held by a sensor, but the sensor is influenced by oil stains sometimes, so that the detection fails, the oil liquid is kept in a single form, the supply of the treated machine oil liquid after backflow cannot be realized, and the normal operation of the machine is influenced by impurities.
The invention relates to an oil tank liquid level keeping device for a numerical control machine tool, which is achieved by the following specific technical means:
a machine oil tank liquid level keeping device for a numerical control machine tool comprises a sealing mechanism, a backflow anti-blocking mechanism and a liquid level keeping mechanism, wherein the sealing mechanism is clamped at the top end of a bearing mechanism; the backflow anti-blocking mechanism is screwed at the left side of the sealing mechanism, and a liquid supply maintaining mechanism is further mounted on the right side of the sealing mechanism; the liquid level maintaining mechanism is connected to the inner side of the bearing mechanism in a sliding manner; the liquid level keeping mechanism further comprises a support and a flow control ball, the support is fixedly connected to the top end face of the intersection of the four upright columns, the flow control ball is fixedly connected to the top end face of the support, and the diameter of the flow control ball is consistent with the diameter of the inner wall of the liquid inlet pipe.
Furthermore, the bearing mechanism comprises a box body, an explosion-proof net and a liquid level ruler, a cavity is formed in the box body, the explosion-proof net is inserted in the position, provided with the cavity, in the box body, and the liquid level ruler is installed at the position of an opening at the front end of the box body;
furthermore, the sealing mechanism comprises a cover plate, a liquid inlet pipe and a plug cap, a circular through groove is formed in the center of the inside of the top end of the cover plate, the liquid inlet pipe is fixedly connected to the position of the opening in the top end of the cover plate, the plug cap is screwed on the position of the top end of the inside of the liquid inlet pipe, and the cover plate is inserted into the position of the top end face of the box body in the mounting state;
furthermore, the backflow anti-blocking mechanism comprises a screwed pipe, a sleeve and a filter screen, the sleeve is designed in a hexagonal structure, the left side and the right side of the inner wall of the sleeve are both provided with threads, the filter screen is embedded and connected in the center position of the inner part of the sleeve, the screwed pipe is provided with two positions, the screwed pipe at the two positions is respectively screwed at the left side and the right side of the inner part of the sleeve, and the screwed pipe at the right side is screwed at the inner side position of the pipeline installed at the left side of the outer peripheral surface of the liquid inlet pipe in the installation state;
further, the liquid supply holding mechanism comprises a temporary storage box and a folding plate, the folding plate is inserted in the center of the right side of the top end of the temporary storage box, the folding plate is inserted in the inner position of the temporary storage box through a spring, a pipeline is arranged at the left end of the temporary storage box and is communicated with the liquid inlet pipe, and a slot with an opening at the upper end is further formed in the center of the right end face of the temporary storage box;
the liquid supply holding mechanism further comprises a liquid supply pipe and a support plate, the liquid supply pipe is designed in an L-shaped structure, the liquid supply pipe is inserted into the opening position in the folding plate, the support plate is sleeved on the outer peripheral surface of the transverse pipe of the L-shaped liquid supply pipe, the support plate is screwed at the position of the groove at the right end of the temporary storage box through a bolt, and the temporary storage box is fixedly connected to the right side position of the top end face of the cover plate in the installation state;
further, liquid level holding mechanism is including slider, stand and flotation tank, the slider is equipped with everywhere altogether, and the outside of everywhere slider all installs the guide block to every two departments of slider are a set of everywhere, the stand is equipped with everywhere altogether, and fixed connection is in the medial surface position of slider everywhere respectively for the stand everywhere, and all cup jointed the flotation tank on the outer peripheral face of stand everywhere.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the sealing mechanism is arranged at the top end of the box body, the backflow anti-blocking mechanism is further arranged on the left sides of the cover plate and the liquid inlet pipe, the sleeve pipe is in a hexagonal structure design, threads are arranged on the left side and the right side of the inner wall of the sleeve pipe, the filter screen is embedded and connected in the center position of the inner part of the sleeve pipe, the spiral pipes are arranged at two positions in total, and the two spiral pipes are respectively screwed on the left side and the right side positions of the inner part of the sleeve pipe, so that when the backflow oil liquid contains impurities, the spiral pipes and the sleeve pipe which are in a split type design can be used for carrying out.
On the other hand, still install the flotation tank through the stand in the inboard of slider, wherein the flotation tank can go up the floating after the engine oil is injected, can drive the synchronous come-up through the stand with system flow ball when the flotation tank goes up, and then reach and block up the inlet tube through system flow ball when the inside fluid of box reaches the limit value, in order to reach the purpose that keeps the liquid level, and still install on the top face right side of apron and supply liquid retaining mechanism, wherein supply tube and temporary storage case constitute siphon mechanism jointly and carry out the liquid level that supplies liquid and keep, and supply tube accessible adjusts the inside engine oil liquid level of temporary storage case, in order to reach the purpose that the liquid level keeps the adjustable.
Drawings
Fig. 1 is a right side view schematically showing the structure of the present invention in a half-section state.
Fig. 2 is a left side view schematically showing the structure of the present invention in a half-section state.
Fig. 3 is a schematic front view of the present invention in a half-section state.
Fig. 4 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention.
Fig. 5 is an enlarged schematic view of the invention at B in fig. 2.
FIG. 6 is a schematic view of the fluid level maintenance mechanism of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a carrying mechanism; 101. a box body; 102. an explosion-proof net; 103. a liquid level ruler; 2. a sealing mechanism; 201. a cover plate; 202. a liquid inlet pipe; 203. a plug cap; 3. a backflow anti-blocking mechanism; 301. a solenoid; 302. a sleeve; 303. filtering with a screen; 4. a liquid supply holding mechanism; 401. a temporary storage box; 402. folding the board; 403. a liquid supply tube; 404. a support plate; 5. a liquid level maintaining mechanism; 501. a slider; 502. a column; 503. a buoyancy tank; 504. a pillar; 505. and (5) making a flow ball.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 6:
the invention provides a machine oil tank liquid level holding device for a numerical control machine, which comprises: the device comprises a sealing mechanism 2, a backflow anti-blocking mechanism 3 and a liquid level retaining mechanism 5, wherein the sealing mechanism 2 is clamped at the top end of a bearing mechanism 1; the backflow anti-blocking mechanism 3 is screwed at the left side of the sealing mechanism 2, and the right side of the sealing mechanism 2 is also provided with a liquid supply retaining mechanism 4; the liquid level keeping mechanism 5 is connected to the inner side position of the bearing mechanism 1 in a sliding way; the liquid level maintaining mechanism 5 further comprises a pillar 504 and a check ball 505, the pillar 504 is fixedly connected to the top end surface of the intersection of the four pillars 502, the check ball 505 is fixedly connected to the top end surface of the pillar 504, and the diameter of the check ball 505 is consistent with the diameter of the inner wall of the inlet pipe 202.
The bearing mechanism 1 comprises a box body 101, an explosion-proof net 102 and a liquid level ruler 103, a cavity is formed in the box body 101, the explosion-proof net 102 is inserted in the cavity formed in the box body 101, and the liquid level ruler 103 is installed at the position of an opening at the front end of the box body 101.
The sealing mechanism 2 comprises a cover plate 201, a liquid inlet pipe 202 and a plug cap 203, a circular through groove is formed in the center of the inside of the top end of the cover plate 201, the liquid inlet pipe 202 is fixedly connected to the position of the opening of the top end of the cover plate 201, the plug cap 203 is screwed in the position of the top end of the inside of the liquid inlet pipe 202, and the cover plate 201 is inserted in the position of the top end face of the box body 101 in the installation state.
Wherein, stifled mechanism 3 is prevented including solenoid 301, sleeve pipe 302 and filter screen 303 in the backward flow, sleeve pipe 302 is the hexagon structural design, and the inner wall left and right sides of sleeve pipe 302 all has seted up the screw thread, and the inside central point of sleeve pipe 302 puts the embedding and is connected with filter screen 303, solenoid 301 is equipped with two altogether, and two solenoid 301 screw joints respectively in the inside left and right sides position of sleeve pipe 302, and solenoid 301 that lies in the right side under the installation state screw joints the pipeline inboard position of installing in the outer peripheral face left side of admission pipe 202.
The liquid supply holding mechanism 4 comprises a temporary storage box 401 and a folding plate 402, the folding plate 402 is inserted in the center of the right side of the top end of the temporary storage box 401, the folding plate 402 is inserted in the internal position of the temporary storage box 401 through a spring, a pipeline is installed at the left end of the temporary storage box 401 and communicated with the liquid inlet pipe 202, and a slot with an opening at the upper end is further formed in the center of the right end face of the temporary storage box 401.
The liquid supply holding mechanism 4 further includes a liquid supply tube 403 and a support plate 404, the liquid supply tube 403 is designed to be L-shaped, the liquid supply tube 403 is inserted into the opening of the folding plate 402, the support plate 404 is sleeved on the outer peripheral surface of the transverse tube of the L-shaped liquid supply tube 403, the support plate 404 is screwed on the groove at the right end of the temporary storage box 401 through a bolt, and the temporary storage box 401 is fixedly connected to the right side of the top end surface of the cover plate 201 in the installation state.
The liquid level holding mechanism 5 includes a slider 501, a column 502 and a buoyancy tank 503, the slider 501 is provided with four positions, guide blocks are installed on the outer sides of the slider 501, every two positions of the slider 501 are a group, the column 502 is provided with four positions, the column 502 is fixedly connected to the inner side surfaces of the slider 501, and the buoyancy tank 503 is sleeved on the outer peripheral surface of the column 502.
When in use: firstly, the box body 101 in the bearing mechanism 1 is assembled, a cavity is arranged in the box body 101, and the anti-explosion net 102 is inserted in the cavity, so that the box body 101 can be well protected when the fuel tank is accidentally impacted, and the purpose of safety is achieved, and the liquid level ruler 103 is further arranged on the front side of the box body 101, so that the purpose of continuously monitoring the liquid level of the box body 101 can be achieved, the sealing mechanism 2 is arranged at the top end of the box body 101, the backflow anti-blocking mechanism 3 is further arranged on the left side of the cover plate 201 and the liquid inlet pipe 202, the sleeve 302 is in a hexagonal structural design, the left side and the right side of the inner wall of the sleeve 302 are both provided with threads, the central position in the sleeve 302 is embedded and connected with the filter screen 303, the spiral pipe 301 is provided with two positions, and the spiral pipes 301 are respectively screwed on the left side and the right side of the inner part of the, therefore, when the returned oil contains impurities, the spiral pipe 301 and the sleeve pipe 302 which are designed in a split type can be used for carrying out quick cleaning operation, so as to achieve the purpose of being safer and more practical;
on the other hand, the liquid level maintaining mechanism 5 is further installed inside the box 101, wherein four sliders 501 are provided, guide blocks are installed on the outer sides of the four sliders 501, the four sliders 501 are respectively connected to the inner wall of the box 101 in a sliding manner, a buoyancy tank 503 is further installed inside the slider 501 through a column 502, the buoyancy tank 503 can float up after oil is injected, when the buoyancy tank 503 floats up, the flow control ball 505 is driven by the column 502 to float up synchronously, so that the liquid inlet pipe 202 is blocked by the flow control ball 505 when the oil inside the box 101 reaches a limited value, so as to maintain the liquid level, the liquid supply maintaining mechanism 4 is further installed on the right side of the top end surface of the cover plate 201, the liquid supply pipe 403 and the temporary storage box 401 together form a siphon mechanism to maintain the liquid level of the liquid supply, and the liquid supply pipe 403 can adjust the oil level inside the temporary storage box 401 by adjusting the supporting range of the support plate 404, so as to achieve the purpose of keeping the liquid level adjustable.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (7)
1. The utility model provides a machine oil case liquid level holding device for digit control machine tool which characterized in that: the device comprises a sealing mechanism (2), a backflow anti-blocking mechanism (3) and a liquid level maintaining mechanism (5), wherein the sealing mechanism (2) is clamped at the top end of a bearing mechanism (1); the backflow anti-blocking mechanism (3) is screwed at the left side of the sealing mechanism (2), and a liquid supply retaining mechanism (4) is further mounted on the right side of the sealing mechanism (2); the liquid level keeping mechanism (5) is connected to the inner side of the bearing mechanism (1) in a sliding manner; the liquid level maintaining mechanism (5) further comprises a support column (504) and a flow control ball (505), the support column (504) is fixedly connected to the top end face of the junction of the four upright columns (502), the flow control ball (505) is fixedly connected to the top end face of the support column (504), and the diameter of the flow control ball (505) is consistent with the diameter of the inner wall of the liquid inlet pipe (202).
2. A sump fluid level maintaining apparatus for a numerically controlled machine tool as claimed in claim 1, wherein: the bearing mechanism (1) comprises a box body (101), an anti-explosion net (102) and a liquid level ruler (103), a cavity is formed in the box body (101), the anti-explosion net (102) is inserted in the position, provided with the cavity, in the box body (101), and the liquid level ruler (103) is installed at the position of an opening at the front end of the box body (101).
3. A sump fluid level maintaining apparatus for a numerically controlled machine tool as claimed in claim 1, wherein: sealing mechanism (2) is including apron (201), liquid inlet pipe (202) and stopper cap (203), the inside central point in top of apron (201) puts and has seted up circular shape logical groove, and the top opening part position fixedly connected with liquid inlet pipe (202) of apron (201), stopper cap (203) twist and connect the inside top position at liquid inlet pipe (202), and apron (201) are pegged graft in the top face position of box (101) under the installation state.
4. A sump fluid level maintaining apparatus for a numerically controlled machine tool as claimed in claim 1, wherein: backflow anti-blocking mechanism (3) are including solenoid (301), sleeve pipe (302) and filter screen (303), sleeve pipe (302) are hexagon structural design, and the inner wall left and right sides of sleeve pipe (302) all seted up the screw thread to the inside central point of sleeve pipe (302) puts the embedding and is connected with filter screen (303), solenoid (301) are equipped with two places altogether, and two solenoid (301) twist respectively and connect in the inside left and right sides position of sleeve pipe (302), and solenoid (301) that lie in the right side under the installation state twist and connect the inboard position of pipeline of installing in the outer peripheral face left side of admission pipe (202).
5. A sump fluid level maintaining apparatus for a numerically controlled machine tool as claimed in claim 1, wherein: the liquid supply holding mechanism (4) comprises a temporary storage box (401) and a folding plate (402), the folding plate (402) is inserted in the center of the right side of the top end of the temporary storage box (401), the folding plate (402) is inserted in the inner position of the temporary storage box (401) through a spring, a pipeline is installed at the left end of the temporary storage box (401) and is connected with the liquid inlet pipe (202) in a penetrating mode, and a slot with an opening at the upper end is further formed in the center of the right end face of the temporary storage box (401).
6. A sump fluid level maintaining apparatus for a numerically controlled machine tool according to claim 5, wherein: the liquid supply holding mechanism (4) further comprises a liquid supply pipe (403) and a support plate (404), the liquid supply pipe (403) is designed to be L-shaped, the liquid supply pipe (403) is inserted into the opening of the folding plate (402), the support plate (404) is sleeved on the outer peripheral surface of a transverse pipe of the L-shaped liquid supply pipe (403), the support plate (404) is screwed on a groove at the right end of the temporary storage box (401) through a bolt, and the temporary storage box (401) is fixedly connected to the right side of the top end face of the cover plate (201) in the installation state.
7. A sump fluid level maintaining apparatus for a numerically controlled machine tool as claimed in claim 1, wherein: the liquid level holding mechanism (5) comprises a sliding block (501), upright columns (502) and a floating box (503), wherein the sliding block (501) is provided with four positions, guide blocks are arranged on the outer sides of the sliding blocks (501) at the four positions, each two positions of the sliding blocks (501) at the four positions are a group, the upright columns (502) are provided with four positions, the upright columns (502) at the four positions are fixedly connected to the inner side surfaces of the sliding blocks (501) at the four positions respectively, and the floating box (503) is sleeved on the outer peripheral surfaces of the upright columns (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110208755.0A CN112965539A (en) | 2021-02-24 | 2021-02-24 | Oil tank liquid level holding device for numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110208755.0A CN112965539A (en) | 2021-02-24 | 2021-02-24 | Oil tank liquid level holding device for numerical control machine tool |
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| CN112965539A true CN112965539A (en) | 2021-06-15 |
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| CN202110208755.0A Pending CN112965539A (en) | 2021-02-24 | 2021-02-24 | Oil tank liquid level holding device for numerical control machine tool |
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| CN108723884A (en) * | 2018-06-05 | 2018-11-02 | 马鞍山市三川机械制造有限公司 | A kind of numerically-controlled machine tool coolant liquid storage box with agitation and filtration function |
| CN108870739A (en) * | 2018-06-27 | 2018-11-23 | 南京艾利克斯电子科技有限公司 | Warm-air drier is used in a kind of industrial workshop heating |
| CN208816812U (en) * | 2018-08-10 | 2019-05-03 | 湖南柿竹园有色金属有限责任公司 | A kind of control selects factory's medicament to the float-controlled valve automatic chemical feeding device of medicine-chest liquid level |
| CN110814855A (en) * | 2019-11-06 | 2020-02-21 | 广州市婵昕生物科技有限责任公司 | High-efficient type digit control machine tool with coolant liquid recovery function |
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