CN112045492A - Liquid level detection device for numerical control machine tool detection - Google Patents
Liquid level detection device for numerical control machine tool detection Download PDFInfo
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- CN112045492A CN112045492A CN202010931412.2A CN202010931412A CN112045492A CN 112045492 A CN112045492 A CN 112045492A CN 202010931412 A CN202010931412 A CN 202010931412A CN 112045492 A CN112045492 A CN 112045492A
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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
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
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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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
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Abstract
The invention relates to the technical field of liquid level detection equipment, and discloses a liquid level detection device for detecting a numerical control machine tool. This digit control machine tool detects uses liquid level detection device, through seting up the intercommunication mouth in the front of box, and openly set up the draw-in groove that is located the intercommunication mouth outside at the box, and make fixed cover of draw-in groove activity joint, and the front of fixed cover sets up the window, keep the scale plate to be located the inside of fixed cover, when the scale plate is dirty unclear, the locking cap of screwing out, and take out fixed cover, take out fixed cover inside scale plate wash can, it is convenient to dismantle, be convenient for wash, excellent in use effect.
Description
Technical Field
The invention relates to the technical field of liquid level detection equipment, in particular to a liquid level detection device for detecting a numerical control machine tool.
Background
The numerical control machine tool is a short name of a digital control machine tool (Computer numerical control machine tools), and is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier. After operation processing, the numerical control device sends out various control signals to control the action of the machine tool, and the parts are automatically machined according to the shape and the size required by a drawing, the numerical control machine well solves the machining problems of complex, precise, small-batch and various parts, is a flexible and high-efficiency automatic machine tool, represents the development direction of the modern machine tool control technology, is a typical mechanical and electrical integration product, and is one of 'lubricants' in terms of lubricating oil and lubricating grease systems, the lubricant is simply between two objects moving relatively, and has the function of reducing friction between the two objects due to contact, and the lubricant is a technically intensive product, a complex mixture of hydrocarbons, and the actual service performance is a combined effect of complex physical or chemical change processes. The basic performances of the lubricating oil comprise general physical and chemical performances, special physical and chemical performances and a simulation bench test;
each type of lubricating grease has common general physical and chemical properties to indicate the inherent quality of the product,
(1) lubricating oil (such as petroleum distillate or fatty substance)
(2) The oily liquid coated on the surface of a machine bearing or a certain part of a human body and other moving parts has the functions of reducing friction, avoiding heating, preventing machine abrasion, and being used for medical purposes. Generally a product of fractionated petroleum, and also extracted from animal or vegetable oils, contains "grease", generally a non-volatile oily lubricant, and in order to know the amount of stored lubricant at any time, it is common to perform level detection of the lubricant tank.
Present digit control machine tool detects uses liquid level detection device, in the use, because often need detect the oil level of lubricating oil case, avoid the not enough mechanical friction increase that causes of lubricating oil, and be used for observing window and the transparent scale plate that the oil level changes and can receive the infiltration of lubricating oil and pollute gradually in the testing process, make unable effective timely accurate oil level of observing, although possess the oil level and cross low and too high alarming function, the dismantlement and the washing of transparent scale plate are inconvenient, make unable timely quick acquire actual liquid level, the result of use is not good.
The liquid level detection device for detecting the existing numerical control machine tool can carry a large amount of friction impurities due to the fact that lubricating oil used for recycling returns to a lubricating oil tank after the mechanical lubrication process in the using process, the friction impurities are not timely processed, the carried impurities are continuously conveyed back to the inside of a mechanical structure along with the circulating of the lubricating oil, abrasion and faults of moving parts are caused, potential safety hazards exist in the using process, and the using effect is poor.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the liquid level detection device for the detection of the numerical control machine tool, which has the advantages of conveniently cleaning the scale plate and filtering lubricating oil impurities, and solves the problems in the background art.
The invention provides the following technical scheme: the utility model provides a digit control machine tool detects uses liquid level detection device, the power distribution box comprises a box body, the positive fixedly connected with control box of box, the mounting groove has been seted up to the internal surface of box, the internal surface fixed mounting of mounting groove has the inductor, fixedly connected with connecting wire between inductor and the control box, the intercommunication mouth has been seted up in the front of box, the draw-in groove that is located the intercommunication mouth outside is seted up in the front of box, the internal surface activity joint of draw-in groove has fixed cover, the internal surface fixed connection window of fixed cover, the scale plate has been cup jointed in the internal surface activity of fixed cover.
Preferably, the side of fixed cover fixedly connected with diaphragm, the front fixedly connected with bolt of box, the surface and the diaphragm activity of bolt cup joint, the surface screw thread of bolt has cup jointed the locking cap.
Preferably, the back fixedly connected with base of box, the top surface fixed mounting of base has the oil pump, the both sides of oil pump are fixed respectively and are communicate liquid pipe and communicating pipe, the right-hand member of communicating pipe passes the box and extends to the inside of box.
Preferably, the top surface of the box body is fixedly communicated with a liquid inlet pipe, the outer surface of the liquid inlet pipe is fixedly sleeved with a lower sleeve plate, the top surface of the lower sleeve plate is provided with an upper sleeve plate, and the inner surface of the upper sleeve plate is fixedly sleeved with an upper connecting pipe.
Preferably, the top surface of the upper sleeve plate is movably sleeved with a locking bolt, the bottom end of the locking bolt penetrates through the upper sleeve plate and the lower sleeve plate and extends to the lower part of the lower sleeve plate, and a nut positioned below the lower sleeve plate is sleeved on the outer surface of the locking bolt in a threaded manner.
Preferably, the inner side surface of the liquid inlet pipe is provided with a placing groove, the top surface of the placing groove is fixedly connected with a loop bar, the outer surface of the loop bar is movably sleeved with a loop, and the bottom surface of the loop bar is fixedly connected with a filter sleeve.
Preferably, the side face of the box body is fixedly connected with a mounting plate, and the front face of the mounting plate is provided with a mounting hole.
Preferably, the liquid level detection device for the detection of the numerical control machine tool comprises:
a liquid level sensor and a micropore camera are arranged in the box body;
a reminding device and an LED display screen are arranged outside the box body;
an image checking device is arranged outside the box body;
a relay is arranged on the oil pump;
the oil pump, the liquid level sensor, the reminding device, the micropore camera, the image checking device, the LED display screen and the relay are connected with the control box;
the liquid level sensor is used for detecting the liquid level value of lubricating oil in the box body and taking detection information as a target detection value;
the micropore camera is used for acquiring impurity condition images in lubricating oil in different areas in the box body to obtain a plurality of sub-images;
simultaneously, the micropore camera respectively encodes a plurality of subimages to generate encoded data in one-to-one correspondence, and the encoded data is respectively sent to the image adjustment and verification device;
the image adjustment and verification device receives the coded data, analyzes each coded data to obtain the acquisition time corresponding to each coded data, and sends the coded data with the same acquisition time to the LED display screen;
the LED display screen receives the coded data with the consistent time, decodes the coded data with the consistent time to obtain a plurality of sub-images, and alternately displays the sub-images and the lubricating oil level value;
meanwhile, the control box also compares a target detection value obtained by detection with a preset liquid level value;
if the lubricating oil level value is greater than or equal to the preset level value, the control box controls the oil pump to maintain the existing state, and simultaneously controls the reminding device to carry out first reminding;
otherwise, the control box controls the relay to cut off the power supply, controls the oil pump to stop working, and simultaneously controls the reminding device to carry out second reminding.
Preferably, the liquid level detection device for the detection of the numerical control machine tool comprises:
an alarm is arranged on the oil pump;
a weight sensor is arranged in the box body;
a single chip microcomputer is arranged outside the box body;
the alarm, the weight sensor and the oil pump are connected with the single chip microcomputer;
the weight sensor is used for calculating the oil quantity of lubricating oil in the box body, and meanwhile, the single chip microcomputer calculates the working power required by the oil pump for extracting the corresponding oil quantity in the specified time, and the weight sensor comprises the following specific steps:
the weight sensor is used for calculating the oil quantity of lubricating oil in the box body according to the following formula:
wherein Q represents the oil amount of the lubricating oil in the box body; σ represents a sensitivity coefficient of the weight sensor; s represents the area of lubricating oil in the box body; h represents the height of lubricating oil in the box body; a represents the saturation of the lubricating oil inside the tank; ρ represents the density of the lubricating oil inside the tank; b represents the volume coefficient of the lubricating oil in the box body;
the single chip microcomputer is used for calculating the working power required by the oil pump to pump the corresponding oil amount within the specified time:
wherein, P represents the working power required by the oil pump according to the corresponding oil quantity; k represents a safety factor when the oil pump works; q represents the oil amount of the lubricating oil in the box body; v represents the designed extraction amount of the oil pump; m represents the head of the oil pump;
representing the transmission efficiency of the oil pump; d represents the full pressure of the oil pump; t represents a prescribed time when the oil pump pumps the oil amount;
comparing the working power obtained by calculation with a preset power;
if the working power is larger than or equal to the preset power, the single chip microcomputer controls the alarm to give a first alarm;
if the working power is smaller than the preset power, the single chip microcomputer controls the alarm to give a second alarm and simultaneously controls the oil pump to increase the working power.
Compared with the prior art, the invention has the following beneficial effects:
1. this digit control machine tool detects uses liquid level detection device, through seting up the intercommunication mouth in the front of box, and openly set up the draw-in groove that is located the intercommunication mouth outside at the box, and make fixed cover of draw-in groove activity joint, and the front of fixed cover sets up the window, keep the scale plate to be located the inside of fixed cover, when the scale plate is dirty unclear, the locking cap of screwing out, and take out fixed cover, take out fixed cover inside scale plate wash can, it is convenient to dismantle, be convenient for wash, excellent in use effect.
2. This liquid level detection device is used in digit control machine tool detection is through the fixed intercommunication feed liquor pipe in the top surface of box to cup joint the filter sleeve in the feed liquor pipe, make circulation backward flow's lubricating oil when filter sleeve, filter the impurity in the lubricating oil in the inside of filter sleeve, improve the purity of backward flow lubricating oil, reduced the wearing and tearing hidden danger of motion piece, reduced the trouble risk of equipment, it is safe in utilization.
3. This liquid level detection device is used in digit control machine tool detection, through the fixed intercommunication feed liquor pipe in the top surface of box to cup joint the filter sleeve in the feed liquor pipe, when making circulation backward flow's lubricating oil through the filter sleeve, realize filtering, and guarantee that the lantern ring at filter sleeve top cup joints with the loop bar, back on screwing out the nut and separating the connecting pipe, realization filter sleeve that can be convenient takes out, and with wash the filter sleeve, avoid the filter sleeve to block up, easy operation, it is convenient to use.
4. This digit control machine tool detects uses liquid level detection device through the side fixed connection mounting panel at the box to set up the mounting hole in the front of mounting panel, utilize the mounting hole to realize the installation of box, guarantee that the box is stable, avoid the box vibrations that the collision caused, avoid the lubricating oil vibrations in the box, improve the stability of fuel feeding, excellent in use effect.
5. This digit control machine tool detects uses liquid level detection device, detect the liquid level value of the inside lubricating oil of oil tank through level sensor, the inside impurity condition of the inside lubricating oil of oil tank is gathered to the camera simultaneously, through carrying out the analysis to the image of gathering, the liquid level value of the image information that will gather and lubricating oil is shown on the LED display screen, the lubricating oil liquid level value that will detect simultaneously carries out the comparison with predetermineeing the liquid level value, thereby conveniently know the volume of the inside lubricating oil of oil tank, the convenient staff of this scheme in time looks over the lubricating oil impurity condition, in time, make the change to lubricating oil.
6. This liquid level detection device is used in digit control machine tool detection calculates the oil mass of the inside lubricating oil of oil tank through weighing sensor to according to the oil mass confirm in the specified time the oil pump finishes the required power size of corresponding oil mass, compare the operating power that obtains of calculating with predetermineeing power, if, operating power is greater than or equal to predetermineeing power, single chip microcomputer control alarm carries out first warning, if operating power is less than predetermineeing power, single chip microcomputer control the alarm carries out the second and reports to the police, controls the oil pump simultaneously and increases operating power, and this scheme has improved the work efficiency of oil pump, realizes adjusting the oil pump according to the oil mass to suitable operating power, has reached energy-conserving effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a schematic backside view of the structure of the present invention;
FIG. 4 is a partial cross-sectional view of the structure of the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 4;
FIG. 6 is an enlarged view of the structure at C in FIG. 4;
FIG. 7 is an exploded view of the present invention between the cover and the dial plate
FIG. 8 is a schematic view of the connection of the control box of the present invention;
FIG. 9 is a schematic diagram of the connection of the single chip microcomputer of the present invention.
In the figure: 1. a box body; 2. a base; 3. an oil pump; 4. a liquid outlet pipe; 5. a communicating pipe; 6. mounting grooves; 7. an inductor; 8. a connecting wire; 9. a control box; 10. a communication port; 11. a card slot; 12. fixing a sleeve; 13. a window; 14. a scale plate; 15. a transverse plate; 16. a bolt; 17. a locking cap; 18. a liquid inlet pipe; 19. a placement groove; 20. a loop bar; 21. a collar; 22. a filter sleeve; 23. a lower sheathing plate; 24. an upper sheathing plate; 25. an upper connecting pipe; 26. locking the bolt; 27. a nut; 28. mounting a plate; 29. and (7) installing holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
Referring to fig. 1-7, a liquid level detection device for detecting a numerical control machine tool comprises a box body 1, a control box 9 is fixedly connected to the front of the box body 1, a mounting groove 6 is formed in the inner surface of the box body 1, an inductor 7 is fixedly mounted on the inner surface of the mounting groove 6, a connecting wire 8 is fixedly connected between the inductor 7 and the control box 9, a communication port 10 is formed in the front of the box body 1, a clamping groove 11 located on the outer side of the communication port 10 is formed in the front of the box body 1, a fixing sleeve 12 is movably clamped on the inner surface of the clamping groove 11, a window 13 is fixedly connected to the inner surface of the fixing sleeve 12, and a.
Wherein, the side fixedly connected with diaphragm 15 of fixed cover 12, the front fixedly connected with bolt 16 of box 1, the surface and the diaphragm 15 activity of bolt 16 are cup jointed, and the surface screw thread of bolt 16 has cup jointed locking cap 17, and the screw thread that utilizes locking cap 17 and bolt 16 cup joints the fixed of realizing diaphragm 15, and then realizes fixed cover 12's fixed.
Wherein, the back fixedly connected with base 2 of box 1, the top surface fixed mounting of base 2 has oil pump 3, and the both sides of oil pump 3 are fixed respectively and are communicate liquid pipe 4 and communicating pipe 5, and the right-hand member of communicating pipe 5 passes box 1 and extends to the inside of box 1, utilizes oil pump 3 to pump the lubricating oil of box 1 out, provides the power of circulating lubrication.
The top surface of the box body 1 is fixedly communicated with a liquid inlet pipe 18, the outer surface of the liquid inlet pipe 18 is fixedly sleeved with a lower sleeve plate 23, the top surface of the lower sleeve plate 23 is provided with an upper sleeve plate 24, the inner surface of the upper sleeve plate 24 is fixedly sleeved with an upper connecting pipe 25, and the circulating backflow lubricating oil is introduced into the liquid inlet pipe 18 through the upper connecting pipe 25 and then conveyed into the box body 1.
Wherein, the top surface of the upper sleeve plate 24 is movably sleeved with a locking bolt 26, the bottom end of the locking bolt 26 passes through the upper sleeve plate 24 and the lower sleeve plate 23 and extends to the lower part of the lower sleeve plate 23, the outer surface thread of the locking bolt 26 is sleeved with a nut 27 positioned below the lower sleeve plate 23, and the upper connecting pipe 25 is communicated with the liquid inlet pipe 18 by utilizing the upper sleeve plate 24, the lower sleeve plate 23 and the locking bolt 26.
Wherein, standing groove 19 has been seted up to the medial surface of feed liquor pipe 18, and standing groove 19's top surface fixedly connected with loop bar 20, and the lantern ring 21 has been cup jointed in the surface activity of loop bar 20, and the bottom surface fixedly connected with filter sleeve 22 of lantern ring 21 utilizes filter sleeve 22 to realize the filtration of lubricating oil, improves the quality of lubricating oil in getting into box 1.
Wherein, the side fixedly connected with mounting panel 28 of box 1, mounting hole 29 has been seted up in the front of mounting panel 28, realizes the fixed mounting of box 1 through mounting panel 28, guarantees that box 1 has stability, can not bump and vibrate.
The working principle is as follows: the oil pump 3 is started, the oil pump 3 pumps out lubricating oil into the box body 1 through the communicating pipe 5, the lubricating oil is output through the liquid outlet pipe 4, the circulating lubricating oil flows into the liquid inlet pipe 18 through the upper connecting pipe 25, the lubricating oil filters impurities in the filter sleeve 22 in the liquid inlet pipe 18, the lubricating oil continues to flow into the box body 1, when the scale plate 14 needs to be cleaned, the locking cap 17 is screwed out, the fixing sleeve 12 is pulled out outwards, the scale plate 14 is taken out of the fixing sleeve 12 and cleaned, the scale plate 14 is reset after the cleaning is finished, the scale plate and the fixing sleeve 12 are clamped into the clamping groove 11, and the locking cap 17 is screwed tightly.
The invention provides a new technical scheme, and the liquid level detection device for the detection of the numerical control machine tool is shown in figure 8:
a liquid level sensor and a micropore camera are arranged in the box body 1;
a reminding device and an LED display screen are arranged outside the box body 1;
an image checking device is arranged outside the box body 1;
a relay is arranged on the oil pump 3;
the oil pump 3, the liquid level sensor, the reminding device, the micropore camera, the image checking device, the LED display screen and the relay are connected with the control box 9;
the liquid level sensor is used for detecting the liquid level value of lubricating oil in the box body 1 and taking detection information as a target detection value;
the micropore camera is used for collecting the impurity condition images in the lubricating oil in different areas in the box body 1 to obtain a plurality of sub-images;
simultaneously, the micropore camera respectively encodes a plurality of subimages to generate encoded data in one-to-one correspondence, and the encoded data is respectively sent to the image adjustment and verification device;
the image adjustment and verification device receives the coded data, analyzes each coded data to obtain the acquisition time corresponding to each coded data, and sends the coded data with the same acquisition time to the LED display screen;
the LED display screen receives the coded data with the consistent time, decodes the coded data with the consistent time to obtain a plurality of sub-images, and alternately displays the sub-images and the lubricating oil level value;
meanwhile, the control box 9 compares the detected target detection value with a preset level value;
if the lubricating oil level value is greater than or equal to the preset level value, the control box 9 controls the oil pump 3 to maintain the existing state, and simultaneously controls the reminding device to carry out first reminding;
otherwise, the control box 9 controls the relay to cut off the power supply, controls the oil pump 3 to stop working, and controls the reminding device to carry out second reminding.
In this embodiment, the preset level value refers to the lowest level value at which the amount of lubricating oil inside the oil tank does not affect the normal operation of the device.
The working principle and the beneficial effects of the technical scheme are as follows: detect the liquid level value of the inside lubricating oil of oil tank through level sensor, the inside impurity condition of the inside lubricating oil of oil tank is gathered to the camera simultaneously, through carrying out the analysis to the image of gathering, the image information that will gather and the liquid level value of lubricating oil show on the LED display screen, the lubricating oil liquid level value that will detect simultaneously carries out the comparison with predetermineeing the liquid level value, thereby conveniently know the volume of the inside lubricating oil of oil tank, the convenient staff of this scheme in time looks over the lubricating oil impurity condition, in time make the change to lubricating oil.
The invention provides a new technical scheme, and the liquid level detection device for the detection of the numerical control machine tool is shown in figure 9:
an alarm is arranged on the oil pump 3;
a weight sensor is arranged in the box body 1;
a single chip microcomputer is arranged outside the box body 1;
the alarm, the weight sensor and the oil pump 3 are connected with the single chip microcomputer;
the weight sensor is used for calculating the oil quantity of lubricating oil in the box body 1, and meanwhile, the single chip microcomputer calculates the working power required by the corresponding oil quantity extracted by the oil pump 3 within the specified time, and the weight sensor comprises the following specific steps:
the weight sensor is used for calculating the oil quantity of lubricating oil in the box body 1 according to the following formula:
wherein Q represents the amount of lubricating oil in the case 1; σ represents a sensitivity coefficient of the weight sensor; s represents the area of the lubricating oil inside the case 1; h represents the height of the lubricating oil inside the case 1; α represents the saturation of the lubricating oil inside the tank 1; ρ represents the density of the lubricating oil inside the case 1; b represents the volume coefficient of the lubricating oil in the box body 1;
the single chip microcomputer is used for calculating the working power required by the oil pump 3 to pump corresponding oil in a specified time:
wherein P represents the operating power required by the oil pump 3 according to the respective oil quantity; k represents a safety factor when the oil pump 3 is operating; q represents the amount of lubricating oil in the case 1; v represents a design extraction amount of the oil pump 3; m represents the head of the oil pump 3;
represents the transmission efficiency of the oil pump 3; d represents the full pressure of the oil pump 3; t represents a predetermined time when the oil pump 3 pumps the oil amount;
comparing the working power obtained by calculation with a preset power;
if the working power is larger than or equal to the preset power, the single chip microcomputer controls the alarm to give a first alarm;
if the working power is smaller than the preset power, the single chip microcomputer controls the alarm to give a second alarm and controls the oil pump 3 to increase the working power.
In this embodiment, the preset power refers to a power corresponding to a situation that the oil pump can just pump up the oil amount within a specified time according to the amount of the lubricating oil in the oil tank.
The working principle and the beneficial effects of the technical scheme are as follows: the oil quantity of lubricating oil in the oil tank is calculated through the weight sensor, so that the power required by the oil pump for pumping the corresponding oil quantity in the specified time is determined according to the oil quantity, the calculated working power is compared with the preset power, if the working power is larger than or equal to the preset power, the alarm is controlled by the single chip microcomputer to give a first alarm, and if the working power is smaller than the preset power, the alarm is controlled by the single chip microcomputer to give a second alarm and simultaneously control the oil pump to increase the working power.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a digit control machine tool detects uses liquid level detection device, includes box (1), its characterized in that: the utility model discloses a safe and convenient fixing device for a refrigerator, including box (1), mounting groove (6) have been seted up to the positive fixedly connected with control box (9) of box (1), the internal surface fixed mounting of mounting groove (6) has inductor (7), fixedly connected with connecting wire (8) between inductor (7) and control box (9), intercommunication mouth (10) have been seted up in the front of box (1), draw-in groove (11) that are located the intercommunication mouth (10) outside are seted up in the front of box (1), the internal surface movable joint of draw-in groove (11) has fixed cover (12), the internal surface fixed connection of fixed cover (12) has window (13), scale plate (14) have been cup jointed in the internal surface activity of fixed cover (12).
2. The liquid level detection device for the detection of the numerical control machine tool according to claim 1, characterized in that: the side fixedly connected with diaphragm (15) of fixed cover (12), the front fixedly connected with bolt (16) of box (1), the surface and the diaphragm (15) activity of bolt (16) are cup jointed, the surface screw thread of bolt (16) has cup jointed locking cap (17).
3. The liquid level detection device for the detection of the numerical control machine tool according to claim 1, characterized in that: the back fixedly connected with base (2) of box (1), the top surface fixed mounting of base (2) has oil pump (3), the both sides of oil pump (3) are fixed the intercommunication respectively and have drain pipe (4) and communicating pipe (5), the right-hand member of communicating pipe (5) passes box (1) and extends to the inside of box (1).
4. The liquid level detection device for the detection of the numerical control machine tool according to claim 3, characterized in that: the top surface of the box body (1) is fixedly communicated with a liquid inlet pipe (18), a lower sleeve plate (23) is fixedly sleeved on the outer surface of the liquid inlet pipe (18), an upper sleeve plate (24) is arranged on the top surface of the lower sleeve plate (23), and an upper connecting pipe (25) is fixedly sleeved on the inner surface of the upper sleeve plate (24).
5. The liquid level detection device for the detection of the numerical control machine tool according to claim 4, wherein: the top surface of the upper sleeve plate (24) is movably sleeved with a locking bolt (26), the bottom end of the locking bolt (26) penetrates through the upper sleeve plate (24) and the lower sleeve plate (23) and extends to the lower part of the lower sleeve plate (23), and a nut (27) located below the lower sleeve plate (23) is sleeved on the outer surface of the locking bolt (26) in a threaded mode.
6. The liquid level detection device for the detection of the numerical control machine tool according to claim 4, wherein: the liquid inlet pipe is characterized in that a placing groove (19) is formed in the inner side face of the liquid inlet pipe (18), a loop bar (20) is fixedly connected to the top face of the placing groove (19), a loop ring (21) is movably sleeved on the outer surface of the loop bar (20), and a filter sleeve (22) is fixedly connected to the bottom face of the loop ring (21).
7. The liquid level detection device for the detection of the numerical control machine tool according to claim 4, wherein: the side fixedly connected with mounting panel (28) of box (1), mounting hole (29) have been seted up in the front of mounting panel (28).
8. The liquid level detection device for the detection of the numerical control machine tool according to claim 3, characterized in that:
a liquid level sensor and a micropore camera are arranged in the box body (1);
a reminding device and an LED display screen are arranged outside the box body (1);
an image checking device is arranged outside the box body (1);
a relay is arranged on the oil pump (3);
the oil pump (3), the liquid level sensor, the reminding device, the micropore camera, the image checking device, the LED display screen and the relay are connected with the control box (9);
the liquid level sensor is used for detecting the liquid level value of lubricating oil in the box body (1) and taking detection information as a target detection value;
the micropore camera is used for collecting the impurity condition images in the lubricating oil in different areas in the box body (1) to obtain a plurality of subimages;
simultaneously, the micropore camera respectively encodes a plurality of subimages to generate encoded data in one-to-one correspondence, and the encoded data is respectively sent to the image adjustment and verification device;
the image adjustment and verification device receives the coded data, analyzes each coded data to obtain the acquisition time corresponding to each coded data, and sends the coded data with the same acquisition time to the LED display screen;
the LED display screen receives the coded data with the consistent time, decodes the coded data with the consistent time to obtain a plurality of sub-images, and alternately displays the sub-images and the lubricating oil level value;
meanwhile, the control box (9) also compares a target detection value obtained by detection with a preset liquid level value;
if the lubricating oil level value is greater than or equal to the preset level value, the control box (9) controls the oil pump (3) to maintain the existing state, and simultaneously controls the reminding device to carry out first reminding;
otherwise, the control box (9) controls the relay to cut off the power supply, controls the oil pump (3) to stop working, and controls the reminding device to carry out second reminding.
9. The liquid level detection device for the detection of the numerical control machine tool according to claim 8, wherein:
an alarm is arranged on the oil pump (3);
a weight sensor is arranged in the box body (1);
a single chip microcomputer is arranged outside the box body (1);
the alarm, the weight sensor and the oil pump (3) are connected with the singlechip;
the weight sensor is used for calculating the oil quantity of lubricating oil in the box body (1), and meanwhile, the single chip microcomputer calculates the working power required by the corresponding oil quantity extracted by the oil pump (3) within a specified time, and the weight sensor comprises the following specific steps:
the weight sensor is used for calculating the oil quantity of lubricating oil in the box body (1) according to the following formula:
wherein Q represents the oil quantity of the lubricating oil in the box body (1); σ represents a sensitivity coefficient of the weight sensor; s represents the area of lubricating oil in the box body (1); h represents the height of the lubricating oil in the box body (1); a represents the saturation of the lubricating oil inside the tank (1); ρ represents the density of the lubricating oil inside the tank (1); b represents the volume coefficient of the lubricating oil in the box body (1);
the single chip microcomputer is used for calculating the working power required by the oil pump (3) to pump corresponding oil in a specified time:
wherein P represents the working power required by the oil pump (3) according to the corresponding oil quantity; k represents a safety factor when the oil pump (3) is in operation; q represents the oil quantity of the lubricating oil in the box body (1); v represents the designed extraction amount of the oil pump (3); m represents the head of the oil pump (3);
represents the transmission efficiency of the oil pump (3); d represents the full pressure of the oil pump (3); t represents a predetermined time when the oil pump (3) pumps the oil amount;
comparing the working power obtained by calculation with a preset power;
if the working power is larger than or equal to the preset power, the single chip microcomputer controls the alarm to give a first alarm;
if the working power is smaller than the preset power, the single chip microcomputer controls the alarm to give a second alarm, and meanwhile the oil pump (3) is controlled to increase the working power.
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| EP4101582A1 (en) * | 2021-06-07 | 2022-12-14 | Komatsu NTC Ltd. | Machine tool including rotation indexing device |
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