CN212657568U - Gas circuit distribution block and trace lubricating oil mist supply device comprising same - Google Patents
Gas circuit distribution block and trace lubricating oil mist supply device comprising same Download PDFInfo
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- CN212657568U CN212657568U CN202020517004.8U CN202020517004U CN212657568U CN 212657568 U CN212657568 U CN 212657568U CN 202020517004 U CN202020517004 U CN 202020517004U CN 212657568 U CN212657568 U CN 212657568U
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Abstract
The utility model discloses a gas circuit flow distribution block and a micro-lubricating oil mist supply device, wherein the gas circuit flow distribution block comprises a flow distribution plate, an atomizing nozzle gas supply switch valve and a pressure difference control unit, the flow distribution plate comprises an installation side and a gas flow access side, an atomizing nozzle gas inlet channel and a pressure difference adjusting channel are formed in the flow distribution plate, and the atomizing nozzle gas inlet channel is respectively communicated with an atomizing switch valve output port and an atomizing nozzle gas inlet channel butt joint; one end of the pressure difference adjusting flow passage is communicated with the output port of the pressure difference control unit, and the other end of the pressure difference adjusting flow passage is combined and then communicated with the butt joint port of the pressure difference adjusting flow passage; the atomizing nozzle air supply switch valve is respectively communicated with the atomizing switch valve output port and the air source inlet, and the pressure difference control unit is respectively communicated with the pressure difference control unit output port and the air source inlet. The pressure difference adjusting and air supply flow channel is integrated in the flow distribution block, the situation that the structure is messy due to the fact that the pipeline is exposed is avoided, the structure is prevented from being damaged due to the external environment, the pipeline of the whole device is reasonable in arrangement, the installation is stable and firm, and the whole stable operation is guaranteed.
Description
Technical Field
The utility model relates to a lubricated processing technology field of trace, in particular to gas circuit join in marriage a class piece and contain its trace lubricated oil mist feeding mechanism.
Background
An air supply pipeline of the existing trace lubricating oil mist supply device is generally directly arranged outside the device, and after the device is fixedly installed and started, the air supply pipeline is directly exposed outside the device, so that the device looks very messy. In addition, in the working process, the external air supply pipeline is easily torn or injured due to misoperation, so that the device can hardly work normally and stably. And in the prior art, the oil mist is supplied and the air pressure in the atomizing chamber is regulated independently, so that the device cannot be integrated, and the occupied space is large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas circuit distribution piece and contain its trace lubricating oil mist feeding mechanism, the device's air supply line passes through the gas circuit distribution piece and realizes the integrated design of module, makes the strip that the air supply line arranged rational on the one hand, increases the aesthetic feeling, and on the other hand can avoid the accident to drag, has ensured the steady operation ability of device.
The utility model adopts the technical proposal that:
a gas circuit distribution block comprising:
the flow distribution plate comprises a mounting side and an airflow access side, wherein at least one group of atomizing switch valve access port and atomizing switch valve output port, at least one group of differential pressure control unit access port and differential pressure control unit output port are formed on the airflow access side, an atomizing nozzle air inlet channel butt port and a differential pressure adjusting channel butt port are formed on the mounting side, and an atomizing nozzle air inlet channel and a differential pressure adjusting channel are formed inside the flow distribution plate; one end of the atomizing nozzle air inlet channel is communicated with the output port of the atomizing switch valve, and the other end of the atomizing nozzle air inlet channel is communicated with the atomizing nozzle air inlet channel butt joint port; one end of the pressure difference adjusting flow passage is communicated with the output port of the pressure difference control unit, and the other ends of the pressure difference adjusting flow passage are combined and then communicated with the butt joint of the pressure difference adjusting flow passage;
the atomizing nozzle gas supply switch valve is provided with a first gas inlet at one end and a first gas outlet at the other end, the first gas outlet is communicated with the output port of the atomizing switch valve, and the first gas inlet is communicated with the input port of the atomizing switch valve; and
one end of the pressure difference control unit is provided with a second air inlet, the other end of the pressure difference control unit is provided with a second air outlet, the second air outlet is communicated with the output port of the pressure difference control unit, and the second air inlet is communicated with the access port of the pressure difference control unit;
and the flow distribution block is also provided with an air source inlet which is respectively communicated with the connecting port of the atomization switch valve and the connecting port of the differential pressure control unit.
Further, the differential pressure control unit comprises a differential pressure regulating switch valve and an opening regulating knob for controlling the size of the air flow, which are connected with each other.
Furthermore, the number of the pressure difference control units is two, the control accuracy of the opening degree adjusting knobs in the two pressure difference control units is different, and the air source flows into the output port of the pressure difference adjusting unit after passing through the two pressure difference control units respectively.
A micro-lubricating oil mist supply device comprises the gas path distribution block and further comprises:
the cylinder body is internally provided with a cavity, the upper end part of the cavity is an atomization chamber, and the lower end part of the cavity is an oil liquid storage area; and
the top cover comprises a butt joint side and an atomization side, the atomization side of the top cover is hermetically arranged at the top of the cylinder body, the top cover is provided with a nozzle at the atomization side, an atomization gas supply channel, a pressure difference gas supply channel and an atomization oil supply channel are respectively formed in the top cover, one end of the atomization gas supply channel penetrates through the butt joint side and then is communicated with a butt joint port of the atomization nozzle gas supply channel, and the other end of the atomization gas supply channel is communicated with the nozzle to realize gas supply; one end of the pressure difference air supply flow passage penetrates through the butt joint side and is communicated with the butt joint port of the pressure difference adjusting flow passage, and the other end of the pressure difference air supply flow passage penetrates through the atomizing side of the top cover and is communicated with the atomizing cavity; one end of the atomized oil supply channel penetrates through the top cover and then is communicated with the oil storage area, and the other end of the atomized oil supply channel is communicated with the nozzle to supply oil.
Further, the atomizing device also comprises an oil mist outlet arranged on the top cover, and the oil mist outlet is communicated with the atomizing chamber.
Furthermore, a vertical partition plate used for separating the nozzle from the oil mist outlet is arranged in the atomization chamber, and the vertical partition plate and part of the cavity wall of the atomization chamber are combined to surround the oil mist outlet.
Furthermore, a horizontal baffle is arranged between the atomizing chamber and the oil storage area, and a gap is reserved between the top surface of the horizontal baffle and the bottom of the vertical partition plate.
Furthermore, the tail end of the pressure difference air supply flow channel is provided with an airflow uniform distributor positioned on the atomization side.
Further, atomizing oil supply runner and the quantity of nozzle is 3, atomizing nozzle air feed ooff valve atomizing nozzle air inlet channel and atomizing air feed runner's quantity is 2, wherein sets up common gas circuit between two nozzles, one of them atomizing nozzle air inlet channel is with common gas circuit intercommunication.
Furthermore, a manual oil filling port and/or an automatic oil filling device which are communicated with the cavity of the cylinder body are/is arranged on the top cover.
Has the advantages that: the gas circuit flow distribution block can realize the modular design of an atomizing nozzle gas inlet channel, a pressure difference adjusting channel, an atomizing nozzle gas supply switch valve and a pressure difference control unit, thereby avoiding the diversity of pressure difference adjusting and gas supply structures and reducing the production cost; and the pressure difference is adjusted and the gas supply structure is integrated in the flow distribution block, so that the condition that the arrangement of pipelines caused by the fact that the pressure difference is adjusted and the gas supply structure is exposed in the environment is disordered to influence the tidiness of the whole device is avoided, the pressure difference is adjusted and the gas supply structure is arranged in the flow distribution block, the structure is prevented from being damaged by the external environment, frequent disassembly and maintenance of the whole device are avoided, and the service life is prolonged.
Furthermore, the trace lubricating oil mist supply device is provided with the gas path flow distribution block, so that the integrated arrangement of a gas supply pipeline is realized, the gas supply pipeline is reasonably arranged, the integration and modularization of a gas supply and pressure difference regulation structure are realized, the installation is stable and firm, and the stable operation of the trace lubricating oil mist supply device is ensured.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a front view of a trace amount lubrication mist supply apparatus;
FIG. 2 is a cross-sectional view of section A-A of FIG. 1;
FIG. 3 is a cross-sectional view of section B-B of FIG. 1;
FIG. 4 is a cross-sectional view of section C-C of FIG. 1;
FIG. 5 is a reverse sectional view of section D-D of FIG. 1;
FIG. 6 is a cross-sectional view of section E-E of FIG. 1;
FIG. 7 is a cross-sectional view of section F-F of FIG. 1;
FIG. 8 is a cross-sectional view of section G-G of FIG. 1;
FIG. 9 is a cross-sectional view taken at section H-H of FIG. 1;
FIG. 10 is a schematic perspective view of FIG. 1;
fig. 11 is a schematic perspective view of a first perspective structure of the current distributing plate;
fig. 12 is a perspective view of the fluid distribution plate from a second perspective;
wherein, 10-a micro-lubricating oil mist supply device, 100-a cylinder body, 110-a vertical clapboard, 120-a horizontal baffle, 200-a gas path distribution block, 210-a flow distribution plate, 211-an atomizing nozzle inlet channel, 2111-a third transverse extending channel, 2112-a third vertical extending channel, 2113-a third port input channel, 212-a differential pressure regulating channel, 2121-a fourth transverse extending channel, 2122-a fourth vertical extending channel, 2123-a fourth port input channel, 2124-a blind hole, 213-a first chamber pressure measuring channel, 2131-a chamber pressure measuring channel butt joint port, 214-an atomizing switch valve inlet port, 215-an atomizing switch valve outlet port, 216-a differential pressure regulating unit inlet port and 217-a differential pressure regulating unit outlet port, 218-atomizing nozzle inlet channel interface, 219-differential pressure regulating channel interface, 220-atomizing nozzle air supply switch, 230-differential pressure regulating switch valve, 2301-differential pressure regulating switch valve interface, 240-opening degree regulating knob, 250-first pressure measuring meter, 260-second pressure measuring meter, 270-air source interface, 271-air source access port, 272-first joint, 273-second joint, 274-air source pressure measuring channel, 280-atomizing air source input channel, 2801-first vertically extending channel, 2802-first transversely extending channel, 2803-first port input channel, 290-differential pressure air source input channel, 291-first input section, 292-second input section, 2921-second vertically extending channel, 2922-a second transversely extending duct, 2923-a second port input duct, 300-a top cover, 310-an oil mist output port, 320-a nozzle, 330-an air flow distributor, 340-a manual oil filler, 350-an atomization air supply flow channel, 360-a differential pressure air supply flow channel, 370-an atomization oil supply flow channel, 3701-a first vertical flow channel, 3702-a second vertical flow channel, 380-a second chamber measurement flow channel, 390-a common air path, 400-a cover body, an i-mounting side, an ii-air flow access side, an iii-butt side, an iv-atomization side, and a v-instrument measurement side.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 10, an embodiment of the present invention provides a trace amount lubrication mist supply device 10 for supplying a trace amount lubrication mist during a machining process. The device mainly comprises a cylinder body 100, a top cover 300 and a gas path flow distribution block 200. The gas circuit distribution block 200 mainly includes a flow distribution plate 210, an atomizing nozzle gas supply switch valve 220, a pressure difference adjusting unit, and other parts. The flow distribution plate 210 is formed with an installation side i and an airflow access side II, an atomizing nozzle intake channel 211 communicated between the installation side i and the airflow access side II and a differential pressure regulating channel 212 communicated between the installation side i and the airflow access side II are respectively formed inside the flow distribution plate 210, and the airflow access side II is formed with at least one set of an atomizing switch valve access port 214 and an atomizing switch valve output port 215, and at least one set of a differential pressure regulating unit access port 216 and a differential pressure regulating unit output port 217. The mounting side I is formed with the same number of atomizing nozzle inlet flow passage pair ports 218 as the atomizing switch valve outlet port 215, and a differential pressure regulating flow passage pair port 219. The number of the atomizing nozzle air inlet channels 211 is the same as that of the atomizing switch valve output ports 215, one end of each atomizing nozzle air inlet channel 211 is communicated with the atomizing switch valve output port 215, and the other end of each atomizing nozzle air inlet channel 211 is communicated with the atomizing nozzle air inlet channel butt-joint port 218; the number of the differential pressure regulating flow channels 212 is the same as that of the differential pressure control unit output ports 217, and one end of the differential pressure regulating flow channels 212 is communicated with the differential pressure control unit output ports 217, and the other end is communicated with the differential pressure regulating flow channel interface 219 after being combined with each other. Of course, in another embodiment, the number of atomizing nozzle inlet flow channels 211 is different from the number of atomizing switch valve output ports 215. Of course, in another embodiment, the number of differential pressure regulating flow passages 212 is different from the number of differential pressure control unit output ports 217.
The first air inlet is arranged at one end of the atomizing nozzle air supply switch valve, the first air outlet is arranged at the other end of the atomizing nozzle air supply switch valve, the first air outlet of the atomizing nozzle air supply switch valve 220 is communicated with the output port 215 of the atomizing switch valve, and the first air inlet is communicated with the connecting port 214 of the atomizing switch valve; and
one end of the pressure difference control unit is provided with a second air inlet, the other end of the pressure difference control unit is provided with a second air outlet, the second air outlet of the pressure difference control unit is communicated with the output port 217 of the pressure difference control unit, and the second air inlet is communicated with the access port 216 of the pressure difference control unit;
and the distribution block is also provided with an air source inlet 270, and the air source inlet 270 is respectively communicated with the atomization switch valve access port 214 and the pressure difference control unit access port 216. Therefore, the compressed air sources respectively provide air flows for atomization and pressure difference regulation, namely only one compressed air source is used in the embodiment, and the aim of saving cost is fulfilled.
In the flow distribution block 200, the differential pressure regulating air flows are combined in the differential pressure regulating flow passage 212 and led out from a differential pressure regulating flow passage butt joint 219, that is, the combination of the differential pressure regulating air flows is completed in the flow distribution block 200, so that the condition that one differential pressure regulating flow passage butt joint is additionally arranged at the end part of the flow distribution block 200 is avoided, meanwhile, an opening and a flow passage communicated with the differential pressure regulating flow passage butt joint are correspondingly avoided, the manufacturing difficulty is reduced, and the differential pressure regulating air supply is realized in the flow distribution block 200. Meanwhile, the distributing block 200 is provided with an atomizing nozzle air supply flow passage 211, a pressure difference adjusting flow passage 212 and a plurality of interfaces or ports for connecting air passages, so that the problem that the arrangement of pipelines is disordered due to the fact that a pressure difference adjusting and air supply structure is exposed in the environment to influence the cleanliness of the whole device is avoided, the structure is prevented from being damaged by the external environment, frequent disassembly and maintenance is avoided, a built-in air passage does not need too much maintenance, the device is basically free of maintenance, the reliability and the stability of the device are greatly improved, and the service life is prolonged; the flow distribution block is also integrated with an atomizing nozzle air inlet flow passage 211, a pressure difference adjusting flow passage 212 and a related control unit, so that the control of each air passage is facilitated, and the whole structure occupies small space.
Preferably, in the present embodiment, the atomizing nozzle air supply switch valve 220 is an electromagnetic switch valve, so as to control the on/off of the atomizing nozzle air inlet flow passage 211.
Further, the pressure difference control unit is used for regulating and controlling the pressure difference between the compressed air source side and the atomizing chamber in the cylinder 100, the air pressure value of the compressed air source is defined as P1, the oil mist pressure of the atomizing chamber is defined as P2, and the pressure difference between P1 and P2 is defined as Pd, theoretically, the oil mist can be generated only when the oil mist pressure P2 of the atomizing chamber is smaller than the air pressure value P1 of the compressed air source, that is, Pd > 0, and for realizing the pressure difference regulation, referring to fig. 5, the pressure difference control unit includes a pressure difference regulation switch valve 230 and an opening degree regulation knob 240 for controlling the size of the air flow, which are connected. The differential pressure regulating switch valve 230 is used for controlling the on-off of the air flow, and the opening regulating knob 240 is used for realizing the regulation of the air flow. An air outlet of the differential pressure regulating switch valve 230, namely a second air outlet of the differential pressure control unit, is communicated with the differential pressure control unit output port 217, an air inlet of the opening degree regulating knob 240, namely a second air inlet of the differential pressure control unit, is communicated with the differential pressure control unit access port 216, an air flow access side II is further provided with a differential pressure regulating switch valve access port 2301, and the differential pressure regulating switch valve access port 2301 is communicated with an air inlet of the differential pressure regulating switch valve 230. The differential pressure regulating switch valve 230, the opening regulating knob 240 and the atomizing nozzle switch valve 220 are all fixed on the flow distribution plate 210.
Further, referring to fig. 5-6, the number of the differential pressure control units is set to two, and the compressed air source flows into the output port 217 of the differential pressure regulating unit after passing through the two sets of differential pressure control units respectively. The opening degree adjusting knobs 240 in the two differential pressure control units have different control accuracies, coarse adjustment can be realized by rotating one opening degree adjusting knob 240, and fine adjustment can be realized by rotating the other opening degree adjusting knob 240. The corresponding differential pressure control unit has lower control precision and is used for realizing the coarse adjustment of the air pressure value; the other pressure difference control unit has higher control precision and is used for realizing the fine adjustment of the air pressure value, and the pressure difference adjustment with larger range and higher precision can be realized through the matching of the two pressure difference control units.
As for the pipeline connection condition of the air source inlet end, referring to fig. 5, 8 and 11 specifically, an air source access port 271 is disposed on the flow distribution plate 210, the air source access port 271 is communicated with the compressed air source inlet 270, an air source input flow channel is disposed in the flow distribution plate 210, the air source input flow channel includes an atomization air source input flow channel 280 and a differential pressure air source input flow channel 290, one end of the atomization air source input flow channel 280 is communicated with the atomization switch valve access port 214, and the other end is communicated with the air source access port 271. The number of the differential pressure gas source input flow channels 290 is the same as that of the differential pressure regulating unit access ports 216, one end of the differential pressure gas source input flow channel 290 is communicated with the differential pressure regulating unit access ports 216, and the other end is communicated with the gas source access port 271. Of course, in another embodiment, the number of differential pressure gas source input flow channels 290 is different from the number of differential pressure regulating unit access ports 216. The compressed gas source is input to the atomization gas source input channel 280 and the differential pressure gas source input channel 290, respectively, to provide gas flow for atomization and differential pressure regulation, respectively.
In other alternative embodiments, referring to fig. 9, one end of the differential pressure gas source input flow channel 290 is connected to the gas source access port 271, the other end extends through the gas flow access side II to form a first joint 272, and the opening degree adjusting knob 240 is disposed in the first joint 272. A first input section 291 and a second input section 292 are arranged between the opening degree adjusting knob 240 and the differential pressure adjusting switch valve 230, one end of the second input section 292 is communicated with an inlet port of the differential pressure adjusting switch valve, the other end of the second input section 292 penetrates through the airflow access side II to form a second joint 273, the first input section 291 is arranged between the opening degree adjusting knob 240 and the second joint 273, one end of the first input section 291 is communicated with the opening degree adjusting knob 240, and the other end of the first input section 291 is communicated with the second joint 273. Because of the size limitation of the opening adjusting knob 240, the first input section 291 is externally disposed on the flow distribution plate 210, and certainly, if there is an opening adjusting knob with a proper size, the first input section can be internally disposed in the flow distribution plate, so that all the pipelines are internally disposed in the flow distribution plate, thereby further increasing the integration level of the device and reducing the maintenance times.
Referring to fig. 5, the atomization gas source input flow channel 280 is defined to include a first vertically extending hole 2801, a first transversely extending hole 2802, and a first port input hole 2803 connected in series, the first vertically extending hole 2801 extends to the upper end of the flow distribution plate and then intersects with the first transversely extending hole 2802, the first transversely extending hole 2802 is branched to form a plurality of first port input hole 2803 corresponding to the number of the atomization switch valve input ports 214, and the first port input hole 2803 is respectively communicated with the corresponding atomization switch valve input ports 214. With continued reference to fig. 5, the number of the second input sections 292 is the same as the number of the differential pressure regulating unit access ports 216, and the second input sections 292 are defined to include a second vertically extending hole channel 2921, a second transversely extending hole channel 2922, and a second port input hole channel 2923, where the second vertically extending hole channel 2921 extends to the upper end portion of the flow distribution plate and then intersects with one end of the second transversely extending hole channel 2922, the other end of the second transversely extending hole channel 2922 intersects with the second port input hole channel 2923, and the second port input hole channel 2923 is communicated with the differential pressure regulating switch valve access port 2301.
Further, the atomizing switch valve inlet port 214 and the atomizing switch valve outlet port 215 formed on the gas flow inlet side II in this embodiment are at least one set, and may be understood as one or more sets, which may be specifically set in combination with the number of nozzles 320 in the top cover 300. Similarly, the gas flow inlet side II forms at least one set of the pressure difference regulating unit inlet port 216 and the pressure difference control unit outlet port 217, which can be understood to include one or more sets, and can be specifically set in combination with the regulating precision requirement of the pressure difference.
And, the number of the differential pressure regulating flow channel pair interface 219 is limited to one, one end of the differential pressure regulating flow channel 212 is communicated with the differential pressure control unit output port 217, and the other end is combined with each other and then communicated with the differential pressure regulating flow channel pair interface 219, and the differential pressure regulating air flows are gathered after passing through the plurality of differential pressure regulating flow channels 212 and output through the differential pressure regulating flow channel pair interface 219.
In some embodiments, the differential pressure accommodating flow passage 212 is configured as specifically shown in fig. 3 and 6-7, defining one of the differential pressure accommodating flow passages 212 to include a fourth transversely extending bore 2121, a fourth vertically extending bore 2122, and a fourth port input bore 2123 connected in series, the fourth transversely extending bore 2121 extending horizontally toward the mounting side i at the upper end of the distributor plate. To ensure that the differential pressure regulating flow channel interface 219 can be disposed at the upper edge of the flow distribution plate, one end of the fourth vertically extending bore 2122 intersects the fourth laterally extending bore 2121, and the other end extends upward, and then the fourth vertically extending bore 2122 communicates with the differential pressure regulating flow channel interface 219 via the fourth port input bore 2123, thereby communicating with the differential pressure supply flow channel 360.
The other differential pressure regulating flow passage 212 includes only a fourth transversely extending bore 2121 and a fourth vertically extending bore 2122. Meanwhile, a blind hole 2124 is formed in the flow distribution plate, and the blind hole 2124 is used for communicating with the fourth vertically extending hole 2122 of all the differential pressure adjusting flow passages 212, so that the pressure difference and the air flow are combined into a whole. All of the differential pressure accommodating flow passages 212 are enclosed within the distributor plate, except for one of the differential pressure accommodating flow passages 212 which communicates with the differential pressure accommodating flow passage interface 219.
In the flow distribution block 200, the differential pressure regulating air flow is converged in the blind hole 2124 of the differential pressure regulating flow passage 212 and led out from a differential pressure regulating flow passage butt joint port 219, that is, the combination of the differential pressure regulating air flow is completed in the flow distribution block 200, so that the condition that one differential pressure regulating flow passage butt joint port is additionally arranged at the end part of the flow distribution block is avoided, meanwhile, an opening and a flow passage communicated with the differential pressure regulating flow passage butt joint port are correspondingly avoided, the manufacturing difficulty is reduced, and the differential pressure regulating air supply is realized in the flow distribution block.
Meanwhile, with continued reference to fig. 3-4, 6, 7 and 12, an atomizing nozzle inlet flow passage pair interface 218 and a differential pressure regulating flow passage pair interface 219 are provided at the upper portion of the mounting side i. The atomizing nozzle inlet flow passage 211 is defined to be disposed independently of one another and includes a third transversely extending bore 2111, a third vertically extending bore 2112 and a third port inlet bore 2113 connected in series, the third transversely extending bore 2111 extending horizontally toward the mounting side i at the upper end of the distributor plate. To ensure that the atomizing nozzle inlet channel interface 218 may be disposed at the upper edge of the flow distributor, one end of the third vertically extending bore 2112 intersects the third laterally extending bore 2111, and the other end extends upward, and then the third vertically extending bore 2112 communicates with the atomizing nozzle inlet channel interface 218 via the third port input bore 2113, thereby communicating with the atomizing air supply channel 350. The atomizing nozzle air supply flow passage 211 and the pressure difference adjusting flow passage 212 are respectively provided with a hole passage which is arranged in the flow distribution plate 210, so that the maintenance is basically avoided, and the reliability and the stability of the device are greatly improved.
The gas circuit distributor plate 210 may be mounted to the top cover 300 through the mounting side i. In addition, one or more groups of atomizing switch valve access ports 214 and 215, one or more groups of differential pressure regulating unit access ports 216 and differential pressure control unit output ports 217 are arranged on the airflow access side II, so that access of a control component is facilitated, and the control component can be components with on-off functions, such as various types of electromagnetic valves and switch valves. Meanwhile, the mounting side i is provided with an atomizing nozzle inlet channel interface 218 and a pressure difference adjusting channel interface 219, which facilitate the corresponding channel in the top cover 300 to be in butt joint. The flow distribution plate 210 is provided with a plurality of air supply flow channels therein to realize air flow. The gas circuit flow distribution plate 210 can realize integration of a plurality of gas supply flow channels and gas passage interfaces, and the gas circuit flow distribution plate 210 is used for carding gas circuits, so that the disordered and disordered situation of gas pipes can be improved.
The air supply switch valve 220, the differential pressure adjustment switch valve 230 and the opening adjustment knob 240 of the atomizing nozzle are respectively assembled on the air distribution plate 210 to form the air distribution block 200 with a control function. Specifically, a first air outlet of the atomizing nozzle air supply switch valve 220 is communicated with the atomizing switch valve output port 215, and a first air inlet is directly communicated with the atomizing switch valve input port 214 and then communicated with the air source inlet through a pipeline; a second air outlet at the end of the pressure difference control unit is an air outlet of a pressure difference adjusting switch valve 230, an air inlet of the pressure difference adjusting switch valve 230 is communicated with an opening adjusting knob 240 through a pipeline, and the pressure difference adjusting unit access port 216 is connected with the opening adjusting knob 240; an adjusting portion of the opening degree adjusting knob 240 is exposed to the distribution block 200 so as to be manually adjusted.
The gas path distribution plate 210 is provided with the atomizing nozzle gas supply switch valve 220, the differential pressure adjusting switch valve 230 and the opening adjusting knob 240, so that the gas path distribution block 200 is integrally formed, and the gas path distribution block 200 is beneficial to realizing control of each gas supply flow channel by adding a plurality of control parts.
In the embodiment of the present invention, referring to fig. 1 to 3, the mounting side ii of the gas circuit distributing block 200 is butted against the butting side iii of the top cover 300. The cylinder body 100 has a cavity formed therein, the upper end of the cavity is an atomization chamber, and the lower end of the cavity is an oil storage area. The top cover 300 comprises a butt joint side III and an atomization side IV, the atomization side IV of the top cover 300 is hermetically arranged at the top of the cylinder body 100, the top cover 300 is provided with a nozzle 320 at the atomization side IV, an atomization air supply channel 350, a pressure difference air supply channel 360 and an atomization air supply channel 370 are respectively formed in the top cover 300, one end of the atomization air supply channel 350 penetrates through the butt joint side III and then is communicated with the atomization nozzle air supply channel butt joint port 218, and the other end of the atomization air supply channel is communicated with the nozzle 320 to realize air supply. One end of the differential pressure air supply flow passage 360 penetrates through the butt joint side III and then is communicated with the differential pressure adjusting flow passage butt joint port 219, and the other end of the differential pressure air supply flow passage penetrates through the atomization side IV of the top cover 300 and is communicated with the atomization chamber; one end of the atomized oil supply passage 370 penetrates the top cover 300 and is communicated with the oil storage area, and the other end is communicated with the nozzle 320 to realize oil supply. The gas circuit in the gas circuit distribution block 200 and the gas circuit in the top cover 300 can be butted with each other, so that gas in a compressed gas source is input into the atomization chamber after passing through the gas circuits in the gas circuit distribution block 200 and the top cover 300, and then the functions of atomization and pressure difference regulation are realized. And the atomizing air supply channel 350 in the top cover is prevented from being directly communicated with a compressed air source, namely, the trace lubricating oil mist supply device in the embodiment only uses one compressed air source, so that the production cost is reduced.
Install the micro-lubricating oil mist supply device of above-mentioned gas circuit distribution piece 200, realized the module integrated design of air supply line, make the strip that the air supply line arranged rational on the one hand, on the other hand can avoid unexpected the dragging, has ensured the steady operation ability of device.
Specifically, the atomized oil supply passage 370 mainly includes a horizontal oil passage horizontally disposed inside the top cover 300 and vertical oil passages connected to both ends of the horizontal oil passage. A first vertical oil passage 3701 is defined as the vertical oil passage communicated with the oil storage region, and a second vertical oil passage 3702 is defined as the vertical oil passage communicated with the nozzle 320. Continuing to refer to fig. 2, the first vertical oil passage 3701 is close to the butt joint side iii, and one end of the first vertical oil passage 3701 is arranged to intersect with the horizontal oil flow passage, and the other end of the first vertical oil passage 3701 penetrates through the top cover 300 and then is communicated with the oil storage area; one end of the second vertical oil passage 3702 is disposed to intersect the horizontal oil flow passage at the opposite side, and the other end is communicated with the nozzle 320 to realize oil supply. The atomized oil supply passages 370 are arranged side by side and 3 in fig. 2.
As shown in fig. 1, the mist outlet 310 of the trace amount lubrication mist supply device is provided in the top cover 300, an input end of the mist outlet 310 is communicated with the atomizing chamber, and an output end of the mist outlet 310 penetrates the top cover 300. The atomized particles produced through the nozzle 320 are discharged to the outside through the mist discharge port 310 to achieve process lubrication.
With continued reference to fig. 7, preferably, a vertical partition 110 is provided in the atomizing chamber for separating the nozzle 320 and the mist outlet 310, the vertical partition 110 is disposed in a right-angled shape, and two side edges of the vertical partition 110 and a partial cavity wall of the atomizing chamber are combined to surround the mist outlet 310. The vertical partition 110 may be fixedly mounted below the top cover 300, or may be fixedly mounted on the wall of the atomization chamber. In other embodiments, the vertical partition may be configured in a circular arc shape.
Further, as shown in fig. 8, a horizontal baffle 120 is disposed between the atomization chamber and the oil storage area, and a gap is left between the top surface of the horizontal baffle 120 and the bottom of the vertical partition 110. On one hand, the horizontal baffle 120 realizes the isolation of the atomizing chamber and the oil storage area, and avoids the oil splashing in the chamber under the drive of airflow; on the other hand, the atomized particles stay substantially in the atomizing chamber under the isolation of the horizontal baffle 120. The atomized particles infiltrate through the gap between the top surface of the horizontal baffle 120 and the bottom of the vertical partition 110 and are finally discharged through the mist discharge port 310. The vertical partition 110 separates the oil mist outlet 310 from the nozzle 320, and the atomized particles ejected through the nozzle 320 are restricted to enter the area surrounded by the vertical partition 110, a part of the chamber wall and the horizontal baffle 120, and then are output through the oil mist outlet 310. In this way, for the atomized particles with a larger diameter, after entering the above-mentioned area, the atomized particles can adhere to the vertical partition 110 or the cavity wall, and condense into liquid and flow downward into the oil storage area, that is, a separate isolation area is provided in the atomization chamber, so that the large-sized oil mist sprayed from the nozzle 320 is condensed in the atomization chamber when passing through the isolation area, thereby ensuring that the atomized particles output through the oil mist output port 310 are uniform.
As shown in fig. 7, because the air pressure of the air source input through the pressure difference air supply flow passage 360 is large, the impact force is strong, and in order to achieve the softness and dispersion of the input air source, the air flow distributor 330 is arranged on the atomization side iv, the air flow distributor 330 is installed at the tail end of the pressure difference air supply flow passage 360, the air flow in the pressure difference air supply flow passage 360 passes through the air flow distributor 330 and then is introduced into the atomization chamber, and the effect is very obvious.
Preferably, as shown in fig. 1-2, the top cover 300 may be provided with a manual oil filling port 340 communicating with the cavity of the cylinder body 100, an automatic oil filling device communicating with the cavity of the cylinder body 100, and both the manual oil filling port 340 and the automatic oil filling device.
Further, in some other alternative embodiments, referring to fig. 9, the air distribution block 200 is further configured with a cover 400, the cover 400 is installed on the air flow access side II, the cover 400 covers the atomizing nozzle air supply switch valve 220, the differential pressure regulating switch valve 230 and the external air flow pipe 293, a through hole is formed in the cover 400, and the upper end portion, i.e., the regulating end, of the opening degree regulating knob 240 protrudes out of the cover 400 after passing through the through hole, so as to facilitate regulation in subsequent work. The cover body 400 covers most of the components installed on the airflow access side II, so that the overall structure is neater on one hand, and the atomizing nozzle air supply switch valve 220 and the pressure difference adjusting switch valve 230 are protected on the other hand.
In order to facilitate the reasonable layout of the parts, in some embodiments of the utility model, the flow distribution plate is square and blocky, and the installation side I and the airflow access side II are the front and back relative two sides of the flow distribution plate. The mounting side i is fitted to the docking side iii of the top cover 300, and the atomizing nozzle air supply switching valve 220, the differential pressure adjusting switching valve 230, and the external air flow duct 293 are fitted to the air flow entry side II opposite to the mounting side i.
As some optional embodiments of the gas circuit flow distributing plate 210 of the present invention, the atomizing switch valve access port 214 and the atomizing switch valve output port 215, and the differential pressure regulating unit access port 216 and the differential pressure control unit output port 217 are disposed on the upper portion of the gas flow access side II, and the first joint 272 and the second joint 273 are disposed on the lower portion of the gas flow access side II.
Further, as some optional embodiments of the gas circuit flow distributing plate 210 of the present invention, referring to fig. 11 and 12, the gas source access port 271 is disposed at the bottom of the right side of the flow distributing plate, and the compressed gas source is accessed from the lower side of the gas circuit flow distributing plate 210 through the gas source access port 271. The differential pressure gas source input flow channel 290 extends from the gas flow inlet side II to the inside of the flow distribution plate to intersect with the atomization gas source input flow channel 280, the atomization gas source input flow channel 280 and the differential pressure gas source input flow channel 290 are separated at the position near the switch adjusting knob 240 at the right side of the lower part of the gas circuit flow distribution plate 210, the second joint 273 is arranged at the left side of the lower part of the gas flow inlet side II, and the first input section 291 communicated between the first joint 272 and the second joint 273 is parallel to the horizontal direction of the gas circuit flow distribution plate 210. In this way, the opening degree adjustment knob 240 is also located at the lower portion of the airflow inlet side II, so as to avoid interference with the assembly of the atomizing nozzle air supply switching valve 220 and the differential pressure adjustment switching valve 230.
The switch valves and the connectors are arranged in a vertically staggered mode to ensure the installation space, and the atomized gas source input flow channel 280 and the second input section 292 are arranged in a horizontally staggered mode to ensure the reasonable layout of the flow channel inside the gas circuit flow distribution plate 210.
In some optional embodiments of the gas circuit flow distributing plate 210 of the present invention, the number of the atomizing switch valve access port 214 and the atomizing switch valve output port 215, and the number of the differential pressure regulating unit access port 216 and the differential pressure control unit output port 217 are two sets, the number of the atomizing nozzle gas inlet channel interface 218 is two, and the number of the differential pressure regulating channel interface 219 is one. The number of the pressure difference control units is two, so that two opening degree adjusting knobs 240 are also arranged, the opening degree adjusting knobs have different opening degree adjusting capabilities, are respectively coarse adjustment and fine adjustment, and can select single coarse adjustment, single fine adjustment or the combination of the coarse adjustment and the fine adjustment according to the actual atomization requirement.
Referring to fig. 5, the ends of the atomization gas source input channel 280 are respectively communicated with the two atomization switch valve input ports 214. Specifically, the first transversely extending bore 2802 is branched to form two first port input bores 2803, the two first port input bores 2803 each communicating with a respective one of the atomizing switch valve inlet ports 214. The two second input sections 292 are each communicated with the air inlets of the two differential pressure regulating switch valves 230 through respective second port input orifice 2923.
Referring to fig. 4 and 6, the third transversely extending bore 2111 of the two atomizing nozzle inlet conduits 211 are respectively communicated with the atomizing switch valve output port 215, then one end of the third vertically extending bore 2112 of the atomizing nozzle inlet conduit 211 is intersected with the third transversely extending bore 2111, the other end extends upward, and then the third vertically extending bore 2112 is communicated with the atomizing nozzle inlet conduit docking port 218 through the third port input bore 2113.
The fourth transversely extending ports 2121 of the two differential pressure regulating flow passages 212 communicate with the two differential pressure control unit output ports 217, respectively. The pressure difference air flow is collected by providing a blind hole 2124 in the flow distribution plate for communicating with the fourth vertically extending channel 2122 of the two pressure difference adjustment channels 212, and then one of the pressure difference adjustment channels 212 is selected to communicate with the pressure difference adjustment channel docking port 219, and the other pressure difference adjustment channel 212 is closed inside the flow distribution plate.
Meanwhile, in the micro-quantity lubrication mist supply apparatus, the number of the atomizing oil supply passage 370 and the number of the nozzles 320 are set to 3, and the number of the atomizing nozzle air supply switching valve 220, the atomizing nozzle air supply passage 211, and the atomizing air supply passage 350 are set to 2. Of the three nozzles 320, a common air path 390 is provided between two of the three nozzles to achieve synchronous air supply, and the other nozzle 320 achieves independent air supply. One of the atomizing air supply channels 350 is communicated with the common air passage 390 to realize synchronous air supply to the two communicated nozzles 320; the other atomizing air supply flow passage 350 communicates with the individual nozzles 320 to realize individual air supply.
The two atomizing nozzle air inlet channels 211 are respectively communicated with the corresponding atomizing nozzle air supply switch valves 220 and then communicated with a compressed air source, and the two atomizing nozzle air supply switch valves 220 respectively and independently realize the on-off of the two atomizing nozzle air inlet channels 211. In this embodiment, the selection of 3 operating conditions can be realized by controlling the opening or closing of the atomizing nozzle air supply switching valve 220. The 2 atomizing nozzle air supply switching valves 220 are defined as a first switching valve and a second switching valve, respectively. The atomizing air supply channel 350 connected to the atomizing nozzle air supply channel 211 controlled by the first switch valve supplies air to only one nozzle 320 of the three nozzles 320, and the atomizing air supply channel 350 connected to the atomizing nozzle air supply channel 211 controlled by the second switch valve supplies air to two nozzles 320 of the three nozzles 320 at the same time.
When the first and second on-off valves are all opened, 3 nozzles 320 are simultaneously operated to meet the requirement of a large amount of oil mist. When only a small amount of oil mist is needed, the first switch valve is opened, the second control valve is closed, and one of the nozzles 320 is controlled to work. When the required oil mist amount is between the two conditions, the first switch valve is closed, the second switch valve is opened, and the two nozzles 320 are controlled to work.
In some optional embodiments of the gas circuit flow distribution plate 210 of the present invention, for the convenience of the pressure difference control unit to regulate and control the pressure difference Pd, the initial pressure value of the compressed gas source and the pressure value in the atomizing chamber need to be known, the right side of the flow distribution plate is the instrument measurement side v (see fig. 7) located between the installation side i and the gas flow access side II, the first pressure gauge 250 and the second pressure gauge 260 are installed on the instrument measurement side X, the first chamber pressure measurement flow channel 213 and the gas source pressure measurement flow channel 274 are formed in the flow distribution plate, one end of the gas source pressure measurement flow channel 274 penetrates through the instrument measurement side X to be connected with the second pressure gauge 260, and the other end is communicated to the pressure difference gas source input flow channel 290, the second pressure gauge 260 is; one end of the first chamber pressure measuring flow channel 213 penetrates through the instrument measuring side v to be connected with the first pressure gauge 250 (to measure the pressure of the atomization chamber), the other end penetrates through the installation side i, and a chamber pressure measuring flow channel butt joint port 2131 is formed in the installation side i, meanwhile, a second chamber pressure measuring flow channel 380 communicated with the first chamber pressure measuring flow channel 213 is formed in the top cover 300, the second chamber pressure measuring flow channel 380 is in butt joint with the first chamber pressure measuring flow channel 213 at the chamber pressure measuring flow channel butt joint port 2131, and the second chamber pressure measuring flow channel 380 is introduced into the atomization chamber, so that the first chamber pressure measuring flow channel 213 and the second chamber pressure measuring flow channel 380 are communicated with the atomization chamber.
The embodiment of the utility model provides a gas circuit distribution plate 210 has realized the integration of many air feed runners and air flue interface, gas circuit distribution plate 210 externally mounted has corresponding control element in order to constitute the gas circuit distribution piece 200 that is used for controlling many air feed runners, the air supply line of trace lubricating oil mist supply arrangement passes through gas circuit distribution piece 200 and realizes the module integrated design, make the strip that the air supply line arranged reason on the one hand, no longer arrange a large amount of external pipelines like prior art and realize the air feed fuel feeding, seem randomly arranged, on the other hand, external pipeline among the prior art exposes under service environment, is damaged easily, and the utility model discloses a built-in integrated pipeline can avoid unexpected dragging completely, the steady operation ability of device has been ensured.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.
Claims (10)
1. A gas circuit flow distribution block, comprising:
the flow distribution plate comprises a mounting side and an airflow access side, wherein at least one group of atomizing switch valve access port and atomizing switch valve output port, at least one group of differential pressure control unit access port and differential pressure control unit output port are formed on the airflow access side, an atomizing nozzle air inlet channel butt port and a differential pressure adjusting channel butt port are formed on the mounting side, and an atomizing nozzle air inlet channel and a differential pressure adjusting channel are formed inside the flow distribution plate; one end of the atomizing nozzle air inlet channel is communicated with the output port of the atomizing switch valve, and the other end of the atomizing nozzle air inlet channel is communicated with the atomizing nozzle air inlet channel butt joint port; one end of the pressure difference adjusting flow passage is communicated with the output port of the pressure difference control unit, and the other ends of the pressure difference adjusting flow passage are combined and then communicated with the butt joint of the pressure difference adjusting flow passage;
the atomizing nozzle gas supply switch valve is provided with a first gas inlet at one end and a first gas outlet at the other end, the first gas outlet is communicated with the output port of the atomizing switch valve, and the first gas inlet is communicated with the input port of the atomizing switch valve; and
one end of the pressure difference control unit is provided with a second air inlet, the other end of the pressure difference control unit is provided with a second air outlet, the second air outlet is communicated with the output port of the pressure difference control unit, and the second air inlet is communicated with the access port of the pressure difference control unit;
and the flow distribution block is also provided with an air source inlet which is respectively communicated with the connecting port of the atomization switch valve and the connecting port of the differential pressure control unit.
2. The gas distribution block of claim 1, wherein: the pressure difference control unit comprises a pressure difference adjusting switch valve and an opening adjusting knob which are connected with each other and used for controlling the size of the air flow.
3. The gas distribution block of claim 2, wherein: the number of the pressure difference control units is two, the control precision of the opening degree adjusting knobs in the two pressure difference control units is different, and the air source flows into the output port of the pressure difference adjusting unit after passing through the two pressure difference control units respectively.
4. A trace amount of lubricating oil mist supplying apparatus, characterized in that: a gas distribution block comprising any of claims 1 to 3, further comprising:
the cylinder body is internally provided with a cavity, the upper end part of the cavity is an atomization chamber, and the lower end part of the cavity is an oil liquid storage area; and
the top cover comprises a butt joint side and an atomization side, the atomization side of the top cover is hermetically arranged at the top of the cylinder body, the top cover is provided with a nozzle at the atomization side, an atomization gas supply channel, a pressure difference gas supply channel and an atomization oil supply channel are respectively formed in the top cover, one end of the atomization gas supply channel penetrates through the butt joint side and then is communicated with a butt joint port of the atomization nozzle gas supply channel, and the other end of the atomization gas supply channel is communicated with the nozzle to realize gas supply; one end of the pressure difference air supply flow passage penetrates through the butt joint side and is communicated with the butt joint port of the pressure difference adjusting flow passage, and the other end of the pressure difference air supply flow passage penetrates through the atomizing side of the top cover and is communicated with the atomizing chamber; one end of the atomized oil supply channel penetrates through the top cover and then is communicated with the oil storage area, and the other end of the atomized oil supply channel is communicated with the nozzle to supply oil.
5. A supplying device of a minute amount of lubricating oil mist according to claim 4, characterized in that: the atomizing device further comprises an oil mist outlet arranged on the top cover, and the oil mist outlet is communicated with the atomizing chamber.
6. A trace amount lubrication mist supply apparatus according to claim 5, wherein: and a vertical partition plate used for separating the nozzle from the oil mist outlet is arranged in the atomization chamber, and the vertical partition plate and part of cavity wall of the atomization chamber are combined to surround the oil mist outlet.
7. A trace amount lubrication mist supply apparatus according to claim 6, wherein: the atomizing chamber with be provided with horizontal baffle between the fluid reservoir, the top surface of horizontal baffle with leave the clearance between the bottom of vertical baffle.
8. A minimal quantity of lubricating oil mist supply apparatus according to any one of claims 4 to 7, wherein: and the tail end of the differential pressure air supply flow channel is provided with an airflow uniform distributor positioned on the atomization side.
9. A minimal quantity of lubricating oil mist supply apparatus according to any one of claims 4 to 7, wherein: atomizing oil supply runner and the quantity of nozzle is 3, atomizing nozzle air feed ooff valve atomizing nozzle air inlet channel and atomizing air feed runner's quantity is 2, wherein sets up common gas circuit between two nozzles, one of them atomizing nozzle air inlet channel is with common gas circuit intercommunication.
10. A trace amount lubrication mist supply apparatus according to claim 9, wherein: and the top cover is provided with a manual oil filling port and/or an automatic oil filling device which are communicated with the cavity of the cylinder body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020517004.8U CN212657568U (en) | 2020-04-09 | 2020-04-09 | Gas circuit distribution block and trace lubricating oil mist supply device comprising same |
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| CN202020517004.8U CN212657568U (en) | 2020-04-09 | 2020-04-09 | Gas circuit distribution block and trace lubricating oil mist supply device comprising same |
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| CN212657568U true CN212657568U (en) | 2021-03-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513691A (en) * | 2020-04-09 | 2021-10-19 | 汇专科技集团股份有限公司 | Gas circuit distribution block and trace lubricating oil mist supply device comprising same |
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2020
- 2020-04-09 CN CN202020517004.8U patent/CN212657568U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513691A (en) * | 2020-04-09 | 2021-10-19 | 汇专科技集团股份有限公司 | Gas circuit distribution block and trace lubricating oil mist supply device comprising same |
| CN113513691B (en) * | 2020-04-09 | 2024-05-17 | 汇专科技集团股份有限公司 | Air passage flow distribution block and trace lubricating oil mist supply device comprising same |
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