阅读说明：本技术 一种超精密机械用自动润滑装置 (Automatic lubricating device for ultra-precision machinery ) 是由 施素贞 于 2021-06-04 设计创作，主要内容包括：本发明涉及精密机械技术领域,且公开了一种超精密机械用自动润滑装置,包括轴座,所述轴座中部内壁活动连接有限位机构,轴座中部内壁活动连接有驱动机构,轴座中部内壁固定连接有润滑机构,驱动机构中部内壁固定连接有触发机构。该超精密机械用自动润滑装置,通过转轴带动导热块运行,导热块带动石油醚运行,再通过活塞二与静触点的配合使用,从而达到自动润滑的效果,由于转轴与轴座的相对运动使得轴座内壁产生大量的热量,导热块受热将热量传导至石油醚,由于石油醚的沸点较低受热发生膨胀,当活塞二运动到最大位置时此时导电柱与静触点接触使电磁阀门通电处于开启状态,从而达到将油腔内部的润滑油自动挤压润滑的目的。(The invention relates to the technical field of precision machinery and discloses an automatic lubricating device for ultra-precision machinery. This automatic lubrication device for ultra-precision machinery, it moves to drive the heat conduction piece through the pivot, the heat conduction piece drives the petroleum ether operation, rethread piston two uses with the cooperation of stationary contact, thereby reach the effect of automatic lubrication, because the relative motion of pivot and axle bed makes the axle bed inner wall produce a large amount of heats, the heat conduction piece is heated and conducts the heat to the petroleum ether, because the lower emergence inflation of being heated of boiling point of petroleum ether, it makes solenoid valve circular telegram be in the open mode with the stationary contact to lead electrical pillar this moment when piston two moves to the maximum position, thereby reach the lubricated purpose of lubricating oil automatic extrusion inside the oil pocket.)

1. The utility model provides an automatic lubricating device for ultra-precision machinery, includes axle bed (1), its characterized in that: the inner wall swing joint in the middle of axle bed (1) has stop gear (2), and inner wall swing joint in the middle of axle bed (1) has actuating mechanism (3), and inner wall fixedly connected with lubricating mechanism (4) in the middle of axle bed (1), actuating mechanism (3) middle part inner wall fixedly connected with trigger mechanism (5), and inner wall swing joint in the middle of axle bed (1) has detection mechanism (6).

2. The automatic lubricating device for ultra-precision machines according to claim 1, characterized in that: stop gear (2) are including activity groove (24), and activity groove (24) middle part inner wall swing joint has arc pole (23), and arc pole (23) are formed by magnetic material preparation, and arc pole (23) outside fixedly connected with positioning spring (22), axle bed (1) middle part inner wall fixedly connected with electromagnet (21).

3. The automatic lubricating device for ultra-precision machines according to claim 1, characterized in that: the driving mechanism (3) comprises a rotating shaft (31), a telescopic groove (32) is formed in the inner wall of the middle of the rotating shaft (31), a first piston (34) is movably connected to the inner wall of the middle of the telescopic groove (32), and a first spring (33) is sleeved on the outer side of the first piston (34).

4. The automatic lubricating device for ultra-precision machines according to claim 1, characterized in that: the lubricating mechanism (4) comprises a compression cavity (43), an oil cavity (42) is formed in the inner wall of the middle of the compression cavity (43), and an electromagnetic valve (41) is fixedly connected to the inner portion of the middle of the oil cavity (42).

5. The automatic lubricating device for ultra-precision machines according to claim 3, characterized in that: the rotating shaft (31) comprises an air cavity (57), the inner wall of the middle of the air cavity (57) is movably connected with a movable block (56), the inner wall of the middle of the movable block (56) is fixedly connected with a dielectric plate (54), the inner part of the middle of the rotating shaft (31) is fixedly connected with a positive plate (55), the top of the movable block (56) is fixedly connected with a reset spring (53), the inner part of the middle of the rotating shaft (31) is fixedly connected with a negative plate (52), and the inner part of the middle of the rotating shaft (31) is fixedly connected with a piezoresistor (51).

6. The automatic lubricating device for ultra-precision machines according to claim 5, characterized in that: the negative plate (52) and the positive plate (55) are the same in size and parallel to each other, the negative plate (52) is electrically connected with the piezoresistor (51), and the size of the negative plate (52) is smaller than that of the dielectric plate (54).

7. The automatic lubricating device for ultra-precision machines according to claim 1, characterized in that: detection mechanism (6) are including hydrops chamber (67), hydrops chamber (67) middle part inner wall fixedly connected with heat conduction piece (68), the inside swing joint in hydrops chamber (67) middle part has piston two (63), the inside fixedly connected with resistance card (64) in heat conduction piece (68) middle part, piston two (63) right side fixedly connected with pulls spring (65), axle bed (1) middle part inside fixedly connected with stationary contact (61), piston two (63) left side fixedly connected with leads electrical pillar (62), hydrops chamber (67) middle part inner wall swing joint has petroleum ether (66).

8. The automatic lubricating device for ultra-precision machines according to claim 7, characterized in that: the middle of the heat conducting block (68) is internally provided with a groove matched with the second piston (63), the outer side of the second piston (63) is movably connected with the inner wall of the groove, and the outer side of the second piston (63) is fixedly connected with a conducting strip.

Technical Field

The invention relates to the technical field of precision machinery, in particular to an automatic lubricating device for ultra-precision machinery.

Background

The machining is a process of changing the overall dimensions of a workpiece by specific mechanical equipment, wherein the machining process of the workpiece is precise and can be divided into cutting, drilling and polishing according to the type of a machining party, and with the rapid development of modern machining, a plurality of advanced machining technical methods, such as micro machining technology, precise and ultra-precise machining technology and the like, emerge.

At present, the detection and the addition of the lubricating oil in a machining driving part are operated manually, especially for some machining equipment with higher accuracy, the manual detection and the lubricating oil addition have certain difficulty, the equipment runs at a high speed, so that the loss of the internal lubricating oil is fast, the abrasion between a rotating shaft and a shaft seat is increased when the lubricating oil is exhausted, parts are damaged even, and the abnormal vibration of the equipment influences the precision machining of workpieces.

Therefore, we propose an automatic lubrication device for ultra-precision machinery to solve the above problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the automatic lubricating device for the ultra-precision machinery, which has the advantages of simple operation, real-time detection of the operating state of the rotating shaft, automatic addition of lubricating oil and emergency stop of abnormal vibration, and solves the problem that the manual detection of the traditional equipment consumes time and labor to influence the processing efficiency.

(II) technical scheme

In order to realize the purposes of detecting the operating state of the rotating shaft in real time, automatically adding lubricating oil and emergently stopping the operation by abnormal vibration, the invention provides the following technical scheme: the utility model provides an automatic lubricating device for ultra-precision machinery, includes the axle bed, axle bed middle part inner wall swing joint has stop gear, and axle bed middle part inner wall swing joint has actuating mechanism, and axle bed middle part inner wall fixedly connected with lubricating mechanism, actuating mechanism middle part inner wall fixedly connected with trigger mechanism, axle bed middle part inner wall swing joint has detection mechanism.

Furthermore, stop gear includes the activity groove, and activity groove middle part inner wall swing joint has the arc pole, and the arc pole is formed by magnetic material preparation, and arc pole outside fixedly connected with positioning spring, axle bed middle part inner wall fixedly connected with electromagnet.

Furthermore, actuating mechanism includes the pivot, and flexible groove has been seted up to pivot middle part inner wall, and flexible groove middle part inner wall swing joint has piston one, and spring one has been cup jointed to the piston one outside.

Furthermore, the lubricating mechanism comprises a compression cavity, an oil cavity is formed in the inner wall of the middle of the compression cavity, and an electromagnetic valve is fixedly connected inside the middle of the oil cavity.

Further, the pivot includes the air cavity, and air cavity middle part inner wall swing joint has the movable block, and movable block middle part inner wall fixedly connected with dielectric plate, the inside fixedly connected with positive plate in pivot middle part, movable block top fixedly connected with reset spring, the inside fixedly connected with negative plate in pivot middle part, the inside fixedly connected with piezo-resistor in pivot middle part.

Further, the same and mutual parallel of negative plate and positive plate size, negative plate and piezo-resistor electric connection, the negative plate size is less than the dielectric plate size, thereby the dielectric plate realizes changing the terminal voltage size of negative plate through the relative area who changes negative plate and positive plate.

Further, detection mechanism includes the hydrops chamber, hydrops chamber middle part inner wall fixedly connected with heat conduction piece, the inside swing joint in hydrops chamber middle part has piston two, the inside fixedly connected with resistance card in heat conduction piece middle part, two right sides fixedly connected with traction spring of piston, the inside fixedly connected with stationary contact in axle bed middle part, two left sides fixedly connected with of piston lead electrical pillar, hydrops chamber middle part inner wall swing joint has petroleum ether.

Furthermore, a groove matched with the piston two phase is formed in the middle of the heat conducting block, the outer side of the piston two phase is movably connected with the inner wall of the groove, the outer side of the piston two phase is fixedly connected with a conducting strip, and the piston two phase moves outwards under the action of petroleum ether so as to change the resistance value of the resistance chip to control the flow of the electromagnetic valve.

(III) advantageous effects

Compared with the prior art, the invention provides an automatic lubricating device for ultra-precision machinery, which has the following beneficial effects:

1. this automatic lubrication device for ultra-precision machinery, it moves to drive the heat conduction piece through the pivot, the heat conduction piece drives the petroleum ether operation, rethread piston two uses with the cooperation of stationary contact, thereby reach the effect of automatic lubrication, because the relative motion of pivot and axle bed makes the axle bed inner wall produce a large amount of heats, the heat conduction piece is heated and conducts the heat to the petroleum ether, because the lower emergence inflation of being heated of the boiling point of petroleum ether, thereby drive piston two to left side motion, when piston two move to the maximum position this moment lead electrical pillar and make electromagnetic valve circular telegram be in the open mode with the stationary contact, thereby reach the purpose of lubricating oil automatic extrusion lubrication inside the oil pocket.

2. This automatic lubricating device for ultra-precision machinery, drive a motion of piston through the pivot, the motion of piston one-band drive movable block, rethread dielectric plate, the negative plate uses with the cooperation of arc pole, thereby reach the effect of abnormal processing protection, the piston one receives the inside gas of extrusion messenger air cavity to be compressed when unusual operation appears, thereby make the movable block extruded, thereby it changes the terminal voltage of negative plate to drive the outside side motion of dielectric plate, thereby trigger the inside side motion of arc pole, thereby the realization carries out the effect of quick braking to actuating mechanism, thereby come to carry out the effect of protecting to the work piece of processing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partially enlarged view of the part A in FIG. 1 according to the present invention

FIG. 3 is a partially enlarged view of the portion B shown in FIG. 4 according to the present invention;

fig. 4 is a schematic view of the driving mechanism of the present invention.

In the figure: 1. a shaft seat; 2. a limiting mechanism; 3. a drive mechanism; 4. a lubrication mechanism; 5. a trigger mechanism; 6. a detection mechanism; 21. an electromagnet; 22. a positioning spring; 23. an arc rod; 24. a movable groove; 31. a rotating shaft; 32. a telescopic groove; 33. a first spring; 34. a first piston; 41. an electromagnetic valve; 42. an oil chamber; 43. a compression chamber; 51. a voltage dependent resistor; 52. a negative plate; 53. a return spring; 54. a dielectric plate; 55. a positive plate; 56. a movable block; 57. an air cavity; 61. a stationary contact; 62. a conductive post; 63. a second piston; 64. resistance cards; 65. a traction spring; 66. petroleum ether; 67. a liquid accumulation cavity; 68. a heat conducting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1, an automatic lubricating device for ultra-precision machinery includes a shaft seat 1, a limiting mechanism 2 movably connected to an inner wall of a middle portion of the shaft seat 1, a driving mechanism 3 movably connected to an inner wall of a middle portion of the shaft seat 1, a lubricating mechanism 4 fixedly connected to an inner wall of a middle portion of the shaft seat 1, a triggering mechanism 5 fixedly connected to an inner wall of a middle portion of the driving mechanism 3, and a detecting mechanism 6 movably connected to an inner wall of a middle portion of the shaft seat 1.

Further, stop gear 2 includes activity groove 24, and activity groove 24 middle part inner wall swing joint has arc pole 23, and arc pole 23 is formed by magnetic material, and arc pole 23 outside fixedly connected with positioning spring 22, axle bed 1 middle part inner wall fixedly connected with electromagnet 21.

Example two:

referring to fig. 1 and 4, an automatic lubricating device for ultra-precision machinery includes a shaft seat 1, a limiting mechanism 2 movably connected to an inner wall of a middle portion of the shaft seat 1, a driving mechanism 3 movably connected to an inner wall of a middle portion of the shaft seat 1, a lubricating mechanism 4 fixedly connected to an inner wall of a middle portion of the shaft seat 1, a triggering mechanism 5 fixedly connected to an inner wall of a middle portion of the driving mechanism 3, and a detecting mechanism 6 movably connected to an inner wall of a middle portion of the shaft seat 1.

Further, the driving mechanism 3 comprises a rotating shaft 31, a telescopic groove 32 is formed in the inner wall of the middle of the rotating shaft 31, a first piston 34 is movably connected to the inner wall of the middle of the telescopic groove 32, and a first spring 33 is sleeved on the outer side of the first piston 34.

Example three:

referring to fig. 1, an automatic lubricating device for ultra-precision machinery includes a shaft seat 1, a limiting mechanism 2 movably connected to an inner wall of a middle portion of the shaft seat 1, a driving mechanism 3 movably connected to an inner wall of a middle portion of the shaft seat 1, a lubricating mechanism 4 fixedly connected to an inner wall of a middle portion of the shaft seat 1, a triggering mechanism 5 fixedly connected to an inner wall of a middle portion of the driving mechanism 3, and a detecting mechanism 6 movably connected to an inner wall of a middle portion of the shaft seat 1.

Further, the lubricating mechanism 4 comprises a compression cavity 43, an oil cavity 42 is formed in the inner wall of the middle of the compression cavity 43, and an electromagnetic valve 41 is fixedly connected inside the middle of the oil cavity 42.

Example four:

referring to fig. 1 and 4, an automatic lubricating device for ultra-precision machinery includes a shaft seat 1, a limiting mechanism 2 movably connected to an inner wall of a middle portion of the shaft seat 1, a driving mechanism 3 movably connected to an inner wall of a middle portion of the shaft seat 1, a lubricating mechanism 4 fixedly connected to an inner wall of a middle portion of the shaft seat 1, a triggering mechanism 5 fixedly connected to an inner wall of a middle portion of the driving mechanism 3, and a detecting mechanism 6 movably connected to an inner wall of a middle portion of the shaft seat 1.

Further, the pivot 31 includes air cavity 57, air cavity 57 middle part inner wall swing joint has movable block 56, movable block 56 middle part inner wall fixedly connected with dielectric plate 54, the inside fixedly connected with positive plate 55 in pivot 31 middle part, movable block 56 top fixedly connected with reset spring 53, the inside fixedly connected with negative plate 52 in pivot 31 middle part, negative plate 52 and positive plate 55's the same and parallel to each other of size, negative plate 52 and piezo-resistor 51 electric connection, the size of negative plate 52 is less than the size of dielectric plate 54, thereby dielectric plate 54 realizes changing the terminal voltage size of negative plate 52 through the relative area who changes negative plate 52 and positive plate 55, the inside fixedly connected with piezo-resistor 51 in pivot 31 middle part.

Example five:

referring to fig. 1 and 2, an automatic lubricating device for ultra-precision machinery includes a shaft seat 1, a limiting mechanism 2 movably connected to an inner wall of a middle portion of the shaft seat 1, a driving mechanism 3 movably connected to an inner wall of a middle portion of the shaft seat 1, a lubricating mechanism 4 fixedly connected to an inner wall of a middle portion of the shaft seat 1, a triggering mechanism 5 fixedly connected to an inner wall of a middle portion of the driving mechanism 3, and a detecting mechanism 6 movably connected to an inner wall of a middle portion of the shaft seat 1.

Further, the detection mechanism 6 comprises a liquid accumulation cavity 67, a heat conduction block 68 is fixedly connected to the inner wall of the middle of the liquid accumulation cavity 67, a groove matched with the second piston 63 is formed in the middle of the heat conduction block 68, the outer side of the second piston 63 is movably connected with the inner wall of the groove, a conducting strip is fixedly connected to the outer side of the second piston 63, the second piston 63 moves outwards under the action of petroleum ether 66 to change the resistance of the resistance piece 64 to control the flow of the electromagnetic valve 41, the second piston 63 is movably connected to the middle of the liquid accumulation cavity 67, the resistance piece 64 is fixedly connected to the middle of the heat conduction block 68, a traction spring 65 is fixedly connected to the right side of the second piston 63, a stationary contact 61 is fixedly connected to the middle of the shaft seat 1, a conductive column 62 is fixedly connected to the left side of the second piston 63, and a petroleum ether 66 is movably connected to the inner wall of the middle of the liquid accumulation cavity 67

Example six:

referring to fig. 1-4, an automatic lubricating device for ultra-precision machinery includes a shaft seat 1, a limiting mechanism 2 movably connected to an inner wall of a middle portion of the shaft seat 1, a driving mechanism 3 movably connected to an inner wall of a middle portion of the shaft seat 1, a lubricating mechanism 4 fixedly connected to an inner wall of a middle portion of the shaft seat 1, a triggering mechanism 5 fixedly connected to an inner wall of a middle portion of the driving mechanism 3, and a detecting mechanism 6 movably connected to an inner wall of a middle portion of the shaft seat 1.

Further, stop gear 2 includes activity groove 24, and activity groove 24 middle part inner wall swing joint has arc pole 23, and arc pole 23 is formed by magnetic material, and arc pole 23 outside fixedly connected with positioning spring 22, axle bed 1 middle part inner wall fixedly connected with electromagnet 21.

Further, the driving mechanism 3 comprises a rotating shaft 31, a telescopic groove 32 is formed in the inner wall of the middle of the rotating shaft 31, a first piston 34 is movably connected to the inner wall of the middle of the telescopic groove 32, and a first spring 33 is sleeved on the outer side of the first piston 34.

Further, the lubricating mechanism 4 comprises a compression cavity 43, an oil cavity 42 is formed in the inner wall of the middle of the compression cavity 43, and an electromagnetic valve 41 is fixedly connected inside the middle of the oil cavity 42.

Further, the pivot 31 includes air cavity 57, air cavity 57 middle part inner wall swing joint has movable block 56, movable block 56 middle part inner wall fixedly connected with dielectric plate 54, the inside fixedly connected with positive plate 55 in pivot 31 middle part, movable block 56 top fixedly connected with reset spring 53, the inside fixedly connected with negative plate 52 in pivot 31 middle part, negative plate 52 and positive plate 55's the same and parallel to each other of size, negative plate 52 and piezo-resistor 51 electric connection, the size of negative plate 52 is less than the size of dielectric plate 54, thereby dielectric plate 54 realizes changing the terminal voltage size of negative plate 52 through the relative area who changes negative plate 52 and positive plate 55, the inside fixedly connected with piezo-resistor 51 in pivot 31 middle part.

Further, detection mechanism 6 includes hydrops chamber 67, hydrops chamber 67 middle part inner wall fixedly connected with heat conduction block 68, heat conduction block 68 middle part inside set up with the groove of two 63 looks adaptations of piston and the two 63 outsides of piston and inslot wall swing joint, two 63 outsides of piston fixedly connected with conducting strip, thereby two 63 of piston outside motion under the effect of petroleum ether 66 realizes changing the flow size that electromagnetic valve 41 was controlled to the resistance size of resistance piece 64, the inside swing joint in hydrops chamber 67 middle part has two 63 of piston, the inside fixedly connected with resistance piece 64 in heat conduction block 68 middle part, two 63 of piston right side fixedly connected with traction spring 65, the inside fixedly connected with stationary contact 61 in axle bed 1 middle part, two 63 of piston left side fixedly connected with leads electrical pillar 62, hydrops chamber 67 middle part inner wall swing joint has petroleum ether 66.

The working principle is as follows: when the rotating shaft 31 rotates along the inner wall of the shaft seat 1, the lubricating oil in the shaft seat 1 is consumed along with the rotation of the rotating shaft 31, when a certain amount of lubricating oil in the oil pan is consumed, heat is generated by friction between the rotating shaft 31 and the inner wall of the shaft seat 1, the heat conducting block 68 is heated to conduct the heat to the petroleum ether 66, the petroleum ether 66 is heated to expand, thereby driving the second piston 63 to move to the left, when the second piston 63 moves to the maximum position, the conductive post 62 contacts with the stationary contact 61 to electrify the electromagnetic valve 41 to be in an open state, and contacts with the resistance chip 64 along with the movement of the second piston 63, thereby changing the opening size of the electromagnetic valve 41, the petroleum ether 66 expands to extrude the lubricating oil on the inner wall of the compression cavity 43, so that the lubricating oil in the oil cavity 42 is extruded out to lubricate along the outer side of the rotating shaft 31, and the lubricating effect is achieved;

if the rotating shaft 31 deviates due to the transmission of mechanical vibration during the operation, so that the operation of the equipment is unstable, thereby affecting the processing precision of the workpiece, the first piston 34 is pressed to compress the gas in the gas cavity 57, thereby, the movable block 56 is pressed to move the dielectric plate 54 outward, and the relative area between the negative electrode plate 52 and the positive electrode plate 55 is further gradually reduced, when the movable block 56 moves to the maximum position, so that the relative area of the negative plate 52 and the positive plate 55 is minimum, the voltage at the tail end of the negative plate 52 is minimum, the voltage dependent resistor 51 reaches the minimum on-circuit voltage, at this time, the electromagnet 21 is electrified to generate the magnetic field, the arc rod 23 generates a repulsive force under the action of the magnetic field, the repulsive force acts on the arc rod to move along the inner wall of the movable groove 24 to the inner side and is contacted with the rotating shaft 31, therefore, the rotation shaft 31 is stopped, and the machined workpiece is further protected from being machined mistakenly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.