Lubricating grease filtering device

Abstract

The utility model belongs to the technical field of drilling platform lubrication, and particularly relates to a lubricating grease filtering device which comprises a barrel. A filtering mechanism is arranged at one end of the barrel, a detection mechanism is arranged on one side of the filtering mechanism, a limiting mechanism is arranged on the inner side of the filtering mechanism, the filtering mechanism comprises a side cover, a servo motor is fixed to the center of the side face of the side cover, a limiting groove is formed in the circumferential face of a shaft rod, and a filter screen is rotationally installed on the inner side of the limiting groove. A spiral blade is fixed to the circumferential face of one end of the shaft rod, a mounting groove is formed in the inner side of the barrel, and the servo motor is controlled to drive the shaft rod at the output end to rotate, so that lubricating grease is pushed to move to the filter screen under cooperation of the spiral blade, impurities contained in the lubricating grease are filtered out through the filter screen, and the lubricating grease is output through the output port. Meanwhile, solid impurities attached to the inner wall of the cylinder body are scraped off by the spiral blades, blockage caused by accumulation of the solid impurities is prevented, impurities accumulated on the surface of the filter screen are scraped off similarly, and the problem that an existing filter device is prone to blockage is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to drilling platform lubricating technical field, and specifically is a kind of lubricating grease filtering device. BACKGROUND

[0002] Lubricating grease is a kind of semi-solid lubricant for lubricating mechanical parts, which can be applied to lubricate drilling platform, to ensure smooth operation of drilling platform and prolong its service life, in order to prevent the lubricating effect of lubricating grease from declining, impurities in lubricating grease need to be filtered out after long-term use.

[0003] The lubricating grease filtering device with the publication number CN220478237U takes the main tank as the main body, the inside of the main tank is symmetrically provided with a support steel plate, the inside of the support steel plate is installed with a filter screen, the one side of the main tank is installed with a pressure detection device, and the side surface of the main tank is detachably installed with a sealing plate. The filtering device can detect the pressure difference between the two pressure points of the lubricating grease filtering assembly in real time through the structure of the pressure detection device, so that the filtering assembly can be replaced in time to prevent damage of the machine pump, and the service life of the filtering assembly can be prolonged through the structure that the filter screen and the support steel plate are covered.

[0004] The above-mentioned lubricating grease filtering device still has problems. In the use process of the filtering device, solid impurities contained in the lubricating grease are easily attached to the inner wall of the main tank, which causes the blockage of the filtering assembly inside, and it is not convenient to clean, and thus a lubricating grease filtering device is proposed. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the prior art, in the use process of the filtering device on the market, solid impurities contained in the lubricating grease are easily attached to the inner wall of the main tank, which causes the blockage of the filtering assembly inside, and it is not convenient to clean, and thus a lubricating grease filtering device is proposed.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the lubricating grease filtering device comprises a cylinder body, a filtering mechanism is arranged at one end of the cylinder body, a detection mechanism is arranged at one side of the filtering mechanism, a limiting mechanism is arranged inside the filtering mechanism, and a side cover is installed at one end of the cylinder body through thread cooperation.

[0007] Preferably, the filtering mechanism includes a side cover, a servo motor is fixed at the center of the side surface of the side cover, an output end of the servo motor is fixed with a shaft rod through the side cover, a limiting groove is formed on the circumferential surface of the shaft rod, a filter screen is rotatably installed in the limiting groove, a helical blade is fixed on the circumferential surface of one end of the shaft rod, the helical blade is respectively attached to the filter screen and the surface of the cylinder, an installation groove is formed on the inner side of the cylinder, the filter screen is buckled on the inner side of the installation groove, an input port is formed on the circumferential surface of one end of the top side of the cylinder, an output port is formed on the circumferential surface of one end of the bottom side of the cylinder, and a cylinder barrel is fixed on the side surface of the side cover.

[0008] Preferably, the detecting mechanism includes a cylinder barrel, the cylinder barrel is communicated with the inner side of the cylinder, a piston is slidably installed in the inner side of the cylinder barrel, a spring is fixedly connected between the piston and one end of the inner side of the cylinder barrel, a scale groove is formed on the circumferential surface of the cylinder barrel, and a sliding groove is symmetrically formed on the circumferential surface of the inner side of the cylinder barrel.

[0009] Preferably, the limiting mechanism includes a sliding groove, a filter screen is slidably installed in the sliding groove through a sliding block, a limiting rod is fixed on one end of the inner side of the cylinder, a limiting hole is formed on one end of the shaft rod, the limiting rod is rotatably inserted into the limiting hole, a feeding cylinder is fixed at the input port, a conveying cylinder is fixed at the output port, flanges are respectively fixed on one end of the feeding cylinder and the conveying cylinder, and the limiting rod and the sliding groove are used to limit the shaft rod and the filter screen.

[0010] The utility model discloses a beneficial effect lies in:

[0011] 1. The utility model discloses a structure design of lubricating grease filtering device, through setting up filtering mechanism, control servo motor, make it drive output end shaft rod rotation, thereby under the cooperation of helical blade, push the lubricating grease of input port input and move to filter screen, make filter screen filter the impurity containing thereof, and output from output port, the solid impurity attached to the inner wall of cylinder is scraped off simultaneously with the rotation of helical blade, prevents the accumulation and causes the blockage, and the impurity accumulated on the surface of filter screen is scraped off in the same manner, solveed the problem that the existing filtering device is easy to block.

[0012] 2. The utility model discloses a structure design of lubricating grease filtering device, through setting up detecting mechanism, when the pressure change of the inner side of cylinder, will push the piston and slide in the inner side of cylinder barrel, thereby compress or lengthen the spring, when observing the position of scale groove where the piston is located, know the spring extension length, thereby measure the pressure of the inner side of cylinder, remind the operator and handle in time, prevent the damage of device pressure too big. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0014] Figure 1 It is a whole front view of the schematic structure;

[0015] Figure 2 It is a rear view of the schematic structure of the filtering mechanism;

[0016] Figure 3 It is a side view of the schematic structure of the detection mechanism;

[0017] Figure 4 It is a top view of the schematic structure of the limiting mechanism;

[0018] Figure 5 It is a bottom view of the schematic structure of the whole.

[0019] In the figure: 1, cylinder; 2, side cover; 3, servo motor; 4, shaft; 5, limiting groove; 6, filter screen; 7, mounting groove; 8, spiral blade; 9, input port; 10, output port; 11, cylinder; 12, piston; 13, spring; 14, scale groove; 16, sliding groove; 17, sliding block; 18, limiting rod; 19, limiting hole; 20, feeding cylinder; 21, material conveying cylinder; 22, flange; 23, rectangular groove; 24, rectangular clamping block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0021] Please refer to Figures 1-4 As shown in the figure, a lubricating grease filtering device comprises a cylinder 1; one end of the cylinder 1 is provided with a filtering mechanism, one side of the filtering mechanism is provided with a detection mechanism, the inside of the filtering mechanism is provided with a limiting mechanism, and one end of the cylinder 1 is provided with a side cover 2 through thread cooperation;

[0022] Please refer to Figure 2As shown, the filter mechanism includes a side cover 2, the side cover 2 is fixed with a servo motor 3 at the side center, the output end of the servo motor 3 is fixed with a shaft rod 4 through the side cover 2, the circumferential surface of the shaft rod 4 is provided with a limiting groove 5, the limiting groove 5 is rotatably installed with a filter screen 6, the circumferential surface of one end of the shaft rod 4 is fixed with a spiral blade 8, the spiral blade 8 is respectively attached to the filter screen 6 and the surface of the cylinder body 1, the inside of the cylinder body 1 is provided with a mounting groove 7, the filter screen 6 is buckled on the inside of the mounting groove 7, the top side of the circumferential surface of the cylinder body 1 is provided with an input port 9, the bottom side of the circumferential surface of the cylinder body 1 is provided with an output port 10, the side of the side cover 2 is fixed with a cylinder barrel 11; When encountering the problem that the fixed impurities are easily attached to the inner wall of the box, causing the device to be blocked, through the structure of the filter mechanism, the filter screen 6 is installed to the inside of the cylinder body 1 by cooperating with the side cover 2, the servo motor 3 is controlled to drive the output end shaft rod 4 to rotate, so that the lubricating grease input by the input port 9 is pushed to the filter screen 6 under the cooperation of the spiral blade 8, the filter screen 6 filters out the impurities contained therein and is output from the output port 10, the spiral blade 8 is rotated at the same time, the solid impurities attached to the inner wall of the cylinder body 1 are scraped off, preventing the blockage caused by the accumulation, and the impurities accumulated on the surface of the filter screen 6 are scraped off in the same way, ensuring that the filtering efficiency of the device will not be reduced.

[0023] Please refer to Figure 3 As shown, the detection mechanism includes a cylinder barrel 11, the cylinder barrel 11 communicates with the inside of the cylinder body 1, a piston 12 is slidably installed in the inside of the cylinder barrel 11, a spring 13 is fixedly connected between the piston 12 and one end of the inside of the cylinder barrel 11, a scale groove 14 is provided on the circumferential surface of the cylinder barrel 11, and a sliding groove 16 is symmetrically provided on the circumferential surface of the inside of the cylinder body 1; When encountering the problem that the filtering device is damaged due to excessive pressure on the inside, through the structure of the detection mechanism, when the pressure on the inside of the cylinder body 1 changes, the piston 12 will be pushed to slide in the inside of the cylinder barrel 11, so as to compress or lengthen the spring 13, at this time, the position of the piston 12 in the scale groove 14 is observed to know the extension length of the spring 13, so as to measure the pressure on the inside of the cylinder body 1, reminding the operator to handle in time to prevent the device from being damaged due to excessive pressure.

[0024] Please refer to Figure 4As shown, the limiting mechanism includes a sliding groove 16, the inside of which is slidably mounted with a filter screen 6 through a sliding block 17, one end of the inner side of the cylinder 1 is fixed with a limiting rod 18, one end of the shaft 4 is provided with a limiting hole 19, the limiting rod 18 is rotatably inserted into the inside of the limiting hole 19, the input port 9 is fixed with a feeding cylinder 20, the output port 10 is fixed with a feeding cylinder 21, and the feeding cylinder 20 and the feeding cylinder 21 are respectively fixed with flanges 22 at one end; When encountering the problem of greater wear inside the device, reducing the service life, through the structure of the limiting mechanism, under the cooperation of the limiting rod 18 and the limiting hole 19, the position deviation of the shaft 4 during rotation can be prevented, thereby preventing the increase of wear between the spiral blade 8 and the inner wall of the cylinder 1, and under the cooperation of the sliding groove 16 and the sliding block 17, the shaft 4 can be prevented from moving the filter screen 6, affecting the filtering quality of the device.

[0025] Please refer to Figure 5 As shown, the output shaft of the servo motor 3 is provided with a rectangular groove 23 at one end, and the shaft 4 is fixed with a rectangular clamping block 24 at one end, and the rectangular clamping block 24 is buckled inside the rectangular groove 23; When encountering the problem of inconvenient cleaning and maintenance of the filter screen 6, through the structure of the rectangular groove 23 and the rectangular clamping block 24, the shaft 4 and the servo motor 3 can be separated, at which time the filter screen 6 and the spiral blade 8 on the shaft 4 can be cleaned, thereby facilitating maintenance and replacement.

[0026] Working principle: lubricating grease is a kind of semi-solid lubricant for lubricating mechanical parts, which can be applied to lubricate the drilling platform, can ensure the smooth operation of the drilling platform and prolong its service life, in order to prevent the lubricating effect of lubricating grease from being reduced, after long time use, the filter device is needed to filter out the impurities in the lubricating grease, in the use process of the existing filter device, the solid impurities contained in the lubricating grease are easy to adhere to the inner wall of the main box, causing the blockage of the inner filter assembly, and it is not convenient to clean, in order to solve this problem, by setting the filtering mechanism and the detection mechanism, the side cover 2 is installed to one end of the cylinder body 1, under the cooperation of the sliding groove 16 and the sliding block 17, the filter screen 6 is installed to the inner side of the mounting groove 7, under the cooperation of the flange 22, the feeding cylinder 20 is connected with the material conveying cylinder 21 and the lubricating pipeline, at this time, the servo motor 3 is controlled to rotate the output end shaft 4, under the cooperation of the limiting rod 18 and the limiting hole 19, the position deviation of the shaft 4 during rotation can be prevented, so as to prevent the increase of abrasion between the helical blade 8 and the inner wall of the cylinder body 1, in the rotating process of the helical blade 8, the lubricating grease input by the input port 9 is pushed to the filter screen 6, so that the filter screen 6 filters out the impurities contained therein and outputs from the output port 10, at the same time, the helical blade 8 scrapes off the solid impurities adhered to the inner wall of the cylinder body 1, prevents the blockage caused by the accumulation, and scrapes off the impurities accumulated on the surface of the filter screen 6, so as to ensure that the filtering efficiency of the device will not be reduced, and during use, when the pressure inside the cylinder body 1 changes, the piston 12 will slide inside the cylinder 11, so as to compress or lengthen the spring 13, at this time, by observing the position of the piston 12 in the scale groove 14, the extension length of the spring 13 is obtained, so as to measure the pressure inside the cylinder body 1, remind the operator to handle in time, prevent the device from being damaged due to excessive pressure, after use, the side cover 2 can be rotated to be removed from one end of the cylinder body 1, and the shaft 4 and the filter screen 6 are extracted, so as to clean and maintain them, then the side cover 2 is installed back to the original position, so as to be used again, solve the problem of easy blockage of the existing filter device.

[0027] In the description of the present specification, the description of the terms“one embodiment”,“example”,“specific example” and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0028] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A grease filtering device, characterized by: Including the cylinder (1), one end of the cylinder (1) is provided with a filter mechanism, one side of the filter mechanism is provided with a detection mechanism, the inside of the filter mechanism is provided with a limiting mechanism, one end of the cylinder (1) is provided with a side cover (2) through thread cooperation; The filter mechanism includes a side cover (2), a servo motor (3) is fixed at the center of the side surface of the side cover (2), an axle rod (4) is fixed at the output end of the servo motor (3) through the side cover (2), a limiting groove (5) is formed on the circumferential surface of the axle rod (4), a filter screen (6) is rotatably installed in the limiting groove (5), a spiral blade (8) is fixed on the circumferential surface of one end of the axle rod (4), the spiral blade (8) is respectively attached to the filter screen (6) and the surface of the cylinder (1), and an installation groove (7) is formed in the inside of the cylinder (1).

2. A grease filter device according to claim 1, characterised in that: The filter screen (6) is buckled in the inside of the installation groove (7), an input port (9) is formed at one end of the top side of the circumferential surface of the cylinder (1), an output port (10) is formed at one end of the bottom side of the circumferential surface of the cylinder (1), and a cylinder barrel (11) is fixed on the side surface of the side cover (2).

3. A grease filter device according to claim 2, characterised in that: The detection mechanism includes a cylinder barrel (11), the cylinder barrel (11) is in communication with the inside of the cylinder (1), and a piston (12) is slidably installed in the inside of the cylinder barrel (11).

4. A grease filter device according to claim 3, characterised in that: The spring (13) is fixedly connected between the piston (12) and one end of the inside of the cylinder barrel (11), a scale groove (14) is formed on the circumferential surface of the cylinder barrel (11), and a sliding groove (16) is symmetrically formed on the inside of the circumferential surface of the cylinder (1).

5. A grease filter device according to claim 4, characterised in that: The limiting mechanism includes a sliding groove (16), the filter screen (6) is slidably installed in the inside of the sliding groove (16) through a sliding block (17), a limiting rod (18) is fixed at one end of the inside of the cylinder (1), and a limiting hole (19) is formed at one end of the axle rod (4).

6. A grease filter device according to claim 5, characterised in that: The limiting rod (18) is rotatably inserted into the inside of the limiting hole (19), an inlet cylinder (20) is fixed at the input port (9), an outlet cylinder (21) is fixed at the output port (10), and a flange (22) is fixed at one end of the inlet cylinder (20) and the outlet cylinder (21).

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