CN216657306U - Gear machine tool workbench circulating lubrication device - Google Patents
Gear machine tool workbench circulating lubrication device Download PDFInfo
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- CN216657306U CN216657306U CN202122604076.3U CN202122604076U CN216657306U CN 216657306 U CN216657306 U CN 216657306U CN 202122604076 U CN202122604076 U CN 202122604076U CN 216657306 U CN216657306 U CN 216657306U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a gear machine tool workbench circulating lubrication device, which belongs to the technical field of gear machine tool lubrication and comprises a workbench and a lubricating oil tank, wherein the workbench and the lubricating oil tank form a closed oil circuit through an oil inlet main pipeline and an oil return main pipeline; still include the cold insulation container, be provided with the refrigerant in the cold insulation container, be provided with heat exchanger in the lubricating oil tank, cold insulation container is linked together through the heat transfer pipeline with heat exchanger, can effectively lubricate the lathe, and the filtration equipment is convenient to be maintained and is overhauld, can carry out temperature monitoring and cooling to lubricating oil, guarantees the machining precision and the stability of lathe.
Description
Technical Field
The utility model belongs to the technical field of lubrication of gear machine tools, and particularly relates to a circulating lubrication device for a workbench of a gear machine tool.
Background
When a gear machine tool processes a gear by a hobbing method, a hobbing chain needs to be established between a workpiece and a cutter. The main shaft structure of the workbench for installing the workpiece usually adopts a precise worm gear pair as a transmission and indexing part. In order to ensure the normal operation of the worm gear pair, lubricating oil is needed for lubrication.
The traditional workbench worm gear pair adopts an oil-immersed lubrication mode, namely, lubricating oil is filled into a workbench base, and the oil level is higher than the diameter 1/3 of the worm. When the worm rotates, the lubricating oil is brought into the meshing surface of the worm gear pair, so that the lubricating effect is realized. By adopting the form of lubrication, copper scrap microparticles generated by the abrasion of the tooth surface of the worm wheel can be deposited in the inner cavity of the workbench, so that the cleanliness of lubricating oil is reduced. The micro-particles can enter the meshing area of the worm gear pair instead, so that the abrasion of the tooth surface of the worm gear pair is accelerated; the filtering device of the existing machine tool lubricating device is arranged in the oil tank, the filtering device is difficult to operate and needs to be stopped when being replaced and maintained after being used for a long time, and the filtering state of the filtering device cannot be monitored in real time when the filtering device is arranged in the oil tank, so that great trouble is caused to production work; the existing lubricating equipment cannot cool lubricating oil, the temperature of the lubricating oil rises after the machine tool continuously works, the worktable component can be thermally deformed, and the machining precision of the machine tool is reduced.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a gear machine tool workbench circulating lubricating device which can effectively lubricate the parts in a machine tool, can filter lubricating oil, is convenient for maintenance and repair of filtering equipment, does not need to be stopped, can monitor in real time and alarm remotely, can monitor and cool the temperature of the lubricating oil, avoids the parts and the machine tool from being damaged due to overhigh oil temperature, and ensures the machining precision and stability of the machine tool.
The utility model is realized in this way, a gear machine tool workbench circulating lubrication device, including a workbench and a lubricating oil tank, the workbench and the lubricating oil tank form a closed oil path through an oil inlet main pipeline and an oil return main pipeline, the workbench is provided with a lubricating oil collecting and dispersing device, the oil inlet main pipeline is communicated with the inlet end of the lubricating oil collecting and dispersing device, the inner cavity of the workbench is provided with a lubricating branch, one end of the lubricating branch is communicated with the outlet end of the lubricating oil collecting and dispersing device, an external oil filter is arranged on the oil return main pipeline between the lubricating oil tank and the workbench, and an electronic flowmeter is arranged between the external oil filter and the lubricating oil tank; the lubricating oil tank is internally provided with a heat exchanger, and the cold insulation container is communicated with the heat exchanger through a heat exchange pipeline.
Furthermore, an oil return branch is arranged between the oil inlet end of the external oil filter and an oil return port of the lubricating oil tank in parallel, an oil return electromagnetic valve is arranged on the oil return branch, the oil return electromagnetic valve is in electrical signal connection with the electronic flowmeter, the controller controls the working state of the oil return electromagnetic valve, and when the external filter needs to be replaced or maintained, the lubricating oil in the workbench flows back to the lubricating oil tank through the oil return branch by opening the oil return electromagnetic valve on the oil return branch, so that the shutdown maintenance is not needed, and the working efficiency is ensured.
Furthermore, a temperature sensor is arranged in the lubricating oil tank, a heat exchange electromagnetic valve is arranged on the heat exchange pipeline, the heat exchange electromagnetic valve is electrically connected with the temperature sensor through a controller, and the controller controls the working state of the heat exchange electromagnetic valve. Temperature sensor real-time supervision lubricating oil tank in the temperature of lubricating oil to in the passback controller, carry out the comparison with the temperature of predetermineeing in the controller, when the temperature was higher than the setting value, the controller control heat transfer solenoid valve was opened, cools down lubricating oil, can monitor the temperature of lubricating oil and the efficient is cooled down and is handled, can also reduce the energy consumption when improving work efficiency.
Furthermore, the alarm device is further included, and the alarm device is connected with the controller through an electric signal, so that remote monitoring and alarming can be realized.
Furthermore, an oil return port of the lubricating oil tank is provided with a secondary filter screen. Can carry out the secondary filter to lubricating oil, guarantee the clean degree of lubricating oil to when external filter maintenance, play filterable effect to the lubricating oil that flows back by return oil branch road, guarantee the reliability of whole lubricated effect.
Furthermore, a plurality of lubricating branches are arranged and are respectively used for lubricating the meshing part of the internal gear of the workbench and/or the main shaft and the friction surface of the workbench and/or the bearings at two ends of the shaft rod.
The utility model has the advantages and technical effects that: by the technical scheme, parts in the machine tool can be effectively lubricated, lubricating oil can be filtered, the filtering equipment is convenient to maintain and repair, shutdown processing is not needed, real-time monitoring and remote alarming can be carried out, the lubricating oil can be subjected to temperature monitoring and cooling, damage to the parts and the machine tool due to overhigh oil temperature is avoided, and the machining precision and stability of the machine tool are guaranteed;
by the aid of the lubricating oil collecting and distributing device and the lubricating branch, parts to be lubricated in the workbench can be lubricated, service lives of the parts are prolonged effectively, and normal work of a machine tool is guaranteed; the external filter can filter lubricating oil, facilitates later-stage maintenance and replacement, facilitates operation of workers and can improve the maintenance work efficiency; the heat exchanger, the cold insulation container and the refrigerant are arranged, so that the temperature of the lubricating oil can be reduced, the damage to internal parts of the machine tool caused by the rise of the temperature of the lubricating oil is avoided, the service life of the machine tool is prevented from being influenced, the problem of thermal deformation of the machine tool caused by overheating of the oil temperature is also reduced, and the processing precision and the stability of the machine tool are improved; when the temperature sensor monitors that the temperature of the lubricating oil in the lubricating oil tank is higher than a set value of the controller, the controller controls the heat exchange electromagnetic valve to be opened to cool the lubricating oil, so that the temperature of the lubricating oil can be monitored and the cooling treatment can be carried out efficiently, the working efficiency is improved, and the energy consumption can be reduced; the electronic flowmeter can monitor the flow of lubricating oil flowing out after being filtered by the external oil filter in real time, reflect the oil return amount and further monitor the state of the filter element of the external oil filter, and the alarm is electrically connected with the controller, so that remote monitoring and alarming can be realized; the oil return branch and the oil return electromagnetic valve are arranged, when the external filter needs to be replaced or maintained, the oil return electromagnetic valve on the oil return branch is opened, lubricating oil in the workbench flows back to the lubricating oil tank through the oil return branch, the machine does not need to be stopped for maintenance, and the working efficiency is guaranteed.
Drawings
FIG. 1 is a schematic diagram of an overall structure provided by an embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of a lubricating oil tank according to an embodiment of the present invention;
fig. 3 is a schematic connection diagram of the controller, the temperature sensor, the electronic flowmeter, the alarm, the heat exchange solenoid valve and the oil return solenoid valve according to the embodiment of the present invention.
In the figure, 1-a workbench; 2-lubricating oil tank; 21-a temperature sensor; 22-secondary filter screen; 3-return oil main pipeline; 4-oil inlet main pipeline; 5-lubricating oil collecting and dispersing device; 6-lubrication branch; 7-external oil filter; 8-an electronic flow meter; 9-an alarm; 10-a cold insulation container; 11-a heat exchange circuit; 12-a heat exchange solenoid valve; 13-oil return branch; 14-oil return solenoid valve; 15-a controller; 16-heat exchanger.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1 and fig. 2, the present application provides a gear machine tool workbench circulating lubrication device, comprising a workbench 1 and a lubricating oil tank 2, wherein the workbench and the lubricating oil tank form a closed oil circuit through an oil inlet main pipeline 4 and an oil return main pipeline 3, the workbench is provided with a lubricating oil collecting and dispersing device 5, the oil inlet main pipeline is communicated with an inlet end of the lubricating oil collecting and dispersing device, the other end of the oil inlet main pipeline is communicated with the lubricating oil tank 2, one end of the oil return main pipeline 3 is communicated with the bottom of an inner cavity of the workbench 1, the other end of the oil return main pipeline is communicated with the lubricating oil tank, an inner cavity of the workbench is provided with a lubrication branch 6, one end of the lubrication branch 6 is communicated with an outlet end of the lubricating oil collecting and dispersing device 5, the lubrication branch is provided with a plurality of parts, which are respectively used for lubricating an inner gear meshing part of the workbench 1 and/or bearings at a main shaft and friction surfaces of the workbench and/or at two ends of a shaft rod, and can lubricate each part to be lubricated inside the workbench, the service life of each part is prolonged effectively, and the normal work of the machine tool is ensured. An external oil filter 7 is arranged on an oil return main pipeline 3 between the lubricating oil tank 2 and the workbench 1. The external oil filter can be a paper core oil filter, and the external oil filter can be detachably mounted on an oil return pipeline, so that the overhaul and the replacement in the later period are facilitated, and the overhaul work efficiency can be improved when the operation of workers is facilitated.
The device also comprises a cold insulation container 10, wherein a refrigerant is arranged in the cold insulation container, a heat exchanger 16 is arranged in the lubricating oil tank, and the cold insulation container is communicated with the heat exchanger through a heat exchange pipeline 11. The cooling treatment can be carried out on the lubricating oil, the damage to internal parts of the machine tool caused by the rise of the temperature of the lubricating oil is avoided, the service life of the machine tool is prevented from being influenced, the problem of thermal deformation of the machine tool caused by overheating of the oil temperature is also solved, and the processing precision and the stability of the machine tool are improved.
A temperature sensor 21 is arranged in the lubricating oil tank 2, a heat exchange electromagnetic valve 12 is arranged on the heat exchange pipeline 11, the heat exchange electromagnetic valve and the temperature sensor are in electric signal connection with a controller 15, and the controller controls the working state of the heat exchange electromagnetic valve. The temperature sensor can adopt Zhejiang Zhengtai electrical appliance, Inc., a long-rod type thermocouple, a model WZCT-03, the temperature sensor 21 monitors the temperature of lubricating oil in the lubricating oil tank in real time, and the temperature is transmitted back to the controller and is compared with the temperature preset in the controller 15, when the temperature is higher than a set value, the controller controls the heat exchange electromagnetic valve to be opened to cool the lubricating oil, the temperature of the lubricating oil can be monitored, the temperature can be efficiently cooled, the working efficiency is improved, and the energy consumption can be reduced.
The oil return port of the lubricating oil tank 2 is provided with a secondary filter screen 22, which can perform secondary filtration on the lubricating oil, so as to ensure the cleanliness of the lubricating oil, and when the external filter 7 is maintained, the lubricating oil flowing back from the oil return branch 13 is filtered, so that the reliability of the whole lubricating effect is ensured.
An electronic flow meter 8 is arranged between the external oil filter 7 and the lubricating oil tank 2, and the electronic flow meter can monitor the flow of lubricating oil flowing out after being filtered by the external oil filter in real time, reflect the oil return amount and further monitor the state of a filter element of the external oil filter. An oil return branch 13 is arranged between the oil inlet end of the external oil filter 7 and an oil return port of the lubricating oil tank 2 in parallel, an oil return electromagnetic valve 14 is arranged on the oil return branch, the oil return electromagnetic valve and the electronic flowmeter 8 are in electric signal connection with a controller 15, and the controller controls the working state of the oil return electromagnetic valve. When the external filter 7 needs to be replaced or overhauled, the oil return electromagnetic valve 13 on the oil return branch 3 is opened, so that the lubricating oil in the workbench flows back to the lubricating oil tank 2 through the oil return branch, the shutdown overhauling is not needed, and the working efficiency is ensured. The alarm device is characterized by further comprising an alarm device 9, wherein an electric signal of the alarm device is connected with the controller 15, and remote monitoring and alarming can be achieved.
The electronic flowmeter monitors the flow of the lubricating oil in real time, an electric signal is transmitted back to the controller 15, and when the monitored flow data is lower than a preset value, the controller controls the alarm to give an alarm and controls the oil return electromagnetic valve to be opened.
As shown in fig. 3, the electronic flow meter 8 is used for collecting the flow rate of the lubricating oil flowing out after being filtered by the external oil filter 7 and transmitting the flow rate data back to the controller 15; the temperature sensor 21 is used for collecting the temperature of the lubricating oil in the lubricating oil tank 2 and transmitting the temperature data back to the controller. The controller is used for processing flow data acquired by the electronic flowmeter 8 and temperature data acquired by the temperature sensor, controlling the execution element by comparing with the internal parameters, specifically, comparing the flow data acquired by the electronic flowmeter 8 with the internal flow parameters, and controlling the alarm 9 to give an alarm and starting the oil return electromagnetic valve 13 if the acquired flow parameters are smaller than the internal flow parameters; the temperature data acquired by the temperature sensor 21 is compared with the set temperature parameters, if the acquired temperature parameters are larger than the set temperature parameter range, the heat exchange electromagnetic valve 12 is controlled to be opened, so that the lubricating oil in the lubricating oil tank 2 is cooled, and when the acquired temperature parameters are smaller than the set temperature parameters, the heat exchange electromagnetic valve can be controlled to be closed.
During operation, lubricating oil gets into lubricating oil collection and distribution device 5 through oil feed main line 4, divides the reposition of redundant personnel through lubricating oil collection and distribution device and handles, divides to a plurality of lubricated branch roads 6 in, lubricates workstation internal gear meshing department, main shaft and workstation friction surface, axostylus axostyle both ends bearing respectively, and all lubricating oil get into external filter 7 through oil return main line 3 after gathering in workstation 1 base inner chamber.
The external filter filters the lubricating oil, filters out copper scrap microparticles and other impurities generated by tooth surface abrasion in the lubricating process, and then flows back to the lubricating oil tank 2. An electronic flow meter 8 arranged between the external filter 7 and the lubricating oil tank monitors the flow of the lubricating oil flowing out after being filtered by the external oil filter in real time, reflects the oil return amount after being filtered, and plays a role in monitoring the state of a filter element of the external filter. After long-time use, a large amount of impurities are attached to a filter element of the external oil filter, oil return amount is easily reduced, when the flow monitored by the electronic flow meter 8 is lower than a set value, the filter element in the external filter 7 needs to be replaced, the electronic flow meter feeds back an electric signal to the controller 15, the controller controls the alarm 9 to give an alarm, remote alarm is achieved, the oil return electromagnetic valve 14 on the oil return branch 13 is controlled to be opened, maintenance personnel maintain and replace the external filter, and at the moment, lubricating oil in the workbench flows back into the lubricating oil tank 2 through the oil return branch.
The lubricating oil flows back to the lubricating oil tank, and then secondary filtration is carried out through secondary filter screen 22, and the temperature sensor 21 in the lubricating oil tank 2 monitors the temperature of the lubricating oil in the lubricating oil tank, and when the temperature is higher than the preset value, the temperature sensor feeds back an electric signal to controller 15, and the controller controls heat exchange electromagnetic valve 12 to be opened, so that refrigerant in cold insulation container 10 enters heat exchanger 16 through heat exchange pipeline 11, and the lubricating oil is cooled, and when the temperature reaches the standard, controller 15 controls heat exchange electromagnetic valve 12 to be closed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A gear machine tool workbench circulating lubrication device comprises a workbench and a lubricating oil tank, wherein the workbench and the lubricating oil tank form a closed oil path through an oil inlet main pipeline and an oil return main pipeline; the lubricating oil tank is internally provided with a heat exchanger, and the cold insulation container is communicated with the heat exchanger through a heat exchange pipeline.
2. The gear machine tool workbench circulating lubrication device according to claim 1, wherein an oil return branch is arranged in parallel between the oil inlet end of the external oil filter and the oil return port of the lubricating oil tank, an oil return electromagnetic valve is arranged on the oil return branch, the oil return electromagnetic valve is electrically connected with the electronic flowmeter through a signal, and the controller controls the working state of the oil return electromagnetic valve.
3. The gear machine tool workbench circulating lubrication device according to claim 1 or 2, wherein a temperature sensor is arranged in the lubricating oil tank, a heat exchange electromagnetic valve is arranged on the heat exchange pipeline, the heat exchange electromagnetic valve and the temperature sensor are in electric signal connection with a controller, and the controller controls the working state of the heat exchange electromagnetic valve.
4. The gear machine table circulating lubrication device of claim 1, further comprising an alarm, wherein the alarm is in electrical signal connection with the controller.
5. The gear machine tool workbench circulating lubrication device of claim 1, wherein the oil return port of the lubricating oil tank is provided with a secondary filter screen.
6. A circulating lubricating device for the working table of the gear machine tool according to claim 1, characterized in that a plurality of lubricating branches are provided for respectively lubricating the meshing part of the internal gear of the working table and/or the main shaft and the friction surface of the working table and/or the bearings at two ends of the shaft rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122604076.3U CN216657306U (en) | 2021-10-27 | 2021-10-27 | Gear machine tool workbench circulating lubrication device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122604076.3U CN216657306U (en) | 2021-10-27 | 2021-10-27 | Gear machine tool workbench circulating lubrication device |
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| CN216657306U true CN216657306U (en) | 2022-06-03 |
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| CN202122604076.3U Active CN216657306U (en) | 2021-10-27 | 2021-10-27 | Gear machine tool workbench circulating lubrication device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115106823A (en) * | 2022-07-26 | 2022-09-27 | 武汉重型机床集团有限公司 | Power device of turning, milling and grinding tool rest main shaft |
| CN115264358A (en) * | 2022-08-03 | 2022-11-01 | 华能苏州热电有限责任公司 | Cleaning device for lubricating oil system of gas turbine |
| CN115264358B (en) * | 2022-08-03 | 2024-05-10 | 华能苏州热电有限责任公司 | Cleaning device for lubricating oil system of gas turbine |
-
2021
- 2021-10-27 CN CN202122604076.3U patent/CN216657306U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115106823A (en) * | 2022-07-26 | 2022-09-27 | 武汉重型机床集团有限公司 | Power device of turning, milling and grinding tool rest main shaft |
| CN115264358A (en) * | 2022-08-03 | 2022-11-01 | 华能苏州热电有限责任公司 | Cleaning device for lubricating oil system of gas turbine |
| CN115264358B (en) * | 2022-08-03 | 2024-05-10 | 华能苏州热电有限责任公司 | Cleaning device for lubricating oil system of gas turbine |
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