Filling equipment for preparing lubricating oil

Abstract

The utility model relates to the technical field of lubricating oil filling, in particular to filling equipment for lubricating oil preparation, which is convenient for quantitative filling of lubricating oil, convenient for adjustment of the filling amount, convenient for filtering of the lubricating oil and convenient for replacement of a filter screen drum. Comprising a filtering mechanism; the device further comprises a filling mechanism, a driving mechanism, a quantifying mechanism, an adjusting mechanism and an installing mechanism, the driving mechanism is installed on the filling mechanism, the quantifying mechanism is installed on the filling mechanism, the adjusting mechanism is installed on the outer wall of the filling mechanism, the filtering mechanism is installed on the filling mechanism, and the installing mechanism is installed on the filtering mechanism. The driving mechanism drives the filling mechanism to quantitatively fill lubricating oil, the adjusting mechanism assists the quantifying mechanism in adjusting the quantitative filling amount of the lubricating oil, the filtering mechanism filters the lubricating oil, and the mounting mechanism facilitates mounting and dismounting of the filtering mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to lubricating oil filling technical field, in particular to a kind of filling equipment for lubricating oil preparation. BACKGROUND

[0002] Lubricating oil is used on various types of automobile, mechanical equipment to reduce friction, protect the liquid or semi-solid lubricant of mechanical and workpiece, mainly plays lubricating, auxiliary cooling, rust prevention, cleaning, sealing and buffering etc. Lubricating oil is generally composed of base oil and additive two parts, base oil is the main component of lubricating oil, determines the basic properties of lubricating oil, additive compensates or improves the deficiency of base oil performance, endows lubricating oil with some new properties, is the important component of lubricating oil. Lubricating oil base oil is mainly divided into mineral base oil, synthetic base oil and biological base oil three categories, mineral base oil is widely used, and the amount is very large, but some application occasions must use synthetic base oil and biological base oil, so that the two kinds of base oil are rapidly developed.

[0003] In the existing lubricating oil filling technology, for example, the prior art with the application number CN201920200031.X, including rack, oil storage tank, fixed plate, bucket cover, oil inlet pipe, connecting pipe, oil pump, perspective window, branch pipe, oil outlet pipe, valve, oil outlet nozzle, stirring assembly, motor and stirring shaft etc., the lubricating oil in the first pipe body is easily entered into the third pipe body by the setting flow guide surface, the filtered lubricating oil is entered into the second pipe body, and is discharged through the oil outlet pipe.

[0004] But the prior art is not convenient for the automatic control and adjustment of the quantity of lubricating oil packaging, and the installation and fixation of filter screen in the prior art are more cumbersome, so that the convenience is reduced. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a kind of filling equipment for lubricating oil preparation, which is convenient for the quantitative filling of lubricating oil, and is convenient for the adjustment of the quantity of packaging, and is convenient for the filtration of lubricating oil and the replacement of filter screen.

[0006] The utility model discloses a filling equipment for lubricating oil preparation, including filter mechanism, still including filling mechanism, drive mechanism, ration mechanism, adjusting mechanism and mounting mechanism, drive mechanism installs on filling mechanism, ration mechanism installs on filling mechanism, adjusting mechanism installs on the outer wall of filling mechanism, filter mechanism installs on filling mechanism, mounting mechanism installs on filter mechanism, and the ration filling of lubricating oil is carried out to drive mechanism drive filling mechanism, and adjusting mechanism assists ration mechanism and adjusts the quantity of the ration filling of lubricating oil, and filter mechanism filters lubricating oil, and mounting mechanism is convenient for installing and disassembling to filter mechanism, and the ration filling of lubricating oil is carried out to drive mechanism drive filling mechanism, and adjusting mechanism assists ration mechanism and adjusts the quantity of the ration filling of lubricating oil, improves practicality, and filter mechanism filters lubricating oil, and mounting mechanism is convenient for installing and disassembling to filter mechanism, improves practicality and convenience.

[0007] Preferably, the filling mechanism includes a filling cylinder, a piston, a feed pipe, a first one-way valve, a filling pipe and a second one-way valve, the filling cylinder is provided with a chamber, the piston is slidingly installed in the filling cylinder, the feed pipe is installed on the side wall of the filling cylinder, the first one-way valve is installed on the feed pipe, the filling pipe is installed at the bottom end of the filling cylinder, the second one-way valve is installed on the filling pipe, and the other end of the feed pipe is connected with the oil storage tank; by opening the drive mechanism to drive the piston to slide upward in the filling cylinder, a negative pressure is formed in the filling cylinder, at this time, the first one-way valve is opened, the second one-way valve is closed, and then the lubricating oil in the oil storage tank is added into the filling cylinder through the feed pipe; when the filling amount is reached, the drive mechanism is controlled to reverse, so that the piston slides downward in the filling cylinder, at this time, the second one-way valve is opened, the first one-way valve is closed, and then the lubricating oil in the filling cylinder is discharged through the filling pipe, and the filling is completed.

[0008] Preferably, the drive mechanism includes a gear plate, a gear shaft, a mounting seat and a motor, the gear plate is installed at the top end of the piston, the gear plate is slidingly installed at the top end of the filling cylinder, the mounting seat is installed at the top end of the filling cylinder, the gear shaft is rotatably installed on the mounting seat, the motor is installed on the mounting seat, the output end of the motor is connected with the gear shaft, and the gear shaft is engaged with the gear plate; by driving the gear shaft to rotate through the motor, the piston is then driven to slide upward in the filling cylinder through the engagement relationship, a negative pressure is formed in the filling cylinder, at this time, the first one-way valve is opened, the second one-way valve is closed, and then the lubricating oil in the oil storage tank is added into the filling cylinder through the feed pipe; when the filling amount is reached, the motor is controlled to reverse, so that the piston slides downward in the filling cylinder, at this time, the second one-way valve is opened, the first one-way valve is closed, and then the lubricating oil in the filling cylinder is discharged through the filling pipe, and the filling is completed.

[0009] Preferably, the quantitative mechanism comprises a mounting block, a U-shaped connecting rod, a sliding block and a proximity switch, the mounting block is mounted on the top end of the piston, the U-shaped connecting rod is slidingly mounted on the top surface of the filling cylinder, a sliding groove is arranged on the outer wall of the filling cylinder, the sliding block is slidingly mounted in the sliding groove, the sliding block is mounted on the other end of the U-shaped connecting rod, the mounting block is flush with the U-shaped connecting rod, and the proximity switch is mounted on the adjusting mechanism; when the piston slides upward in the filling cylinder, the mounting block is lifted, the sliding block is driven to slide in the sliding groove on the outer wall of the filling cylinder through the U-shaped connecting rod, and when the sliding block reaches a height flush with the proximity switch, the proximity switch sends an electric signal to control the motor to reverse, thereby completing the quantitative filling of the lubricating oil.

[0010] Preferably, the adjusting mechanism comprises a mounting frame, a sliding rod, a sliding sleeve and a fixing bolt, the mounting frame is mounted on the outer wall of the filling cylinder, the sliding rod is mounted on the mounting frame, the sliding sleeve is slidingly mounted on the sliding rod, the fixing bolt is mounted on the sliding sleeve, and the proximity switch is mounted on the sliding sleeve; the height of the proximity switch is adjusted by sliding the sliding sleeve on the sliding rod, so that the amount of quantitative filling is adjusted, and the sliding sleeve is fixed by the fixing bolt.

[0011] Preferably, the filtering mechanism comprises a mounting plate, a fixed plate and a filter screen cylinder, the mounting plate is mounted on the inner wall of the filling pipe, the filter screen cylinder is mounted on the fixed plate, and the fixed plate can be mounted on the mounting plate; when the lubricating oil is discharged through the filling pipe to complete the filling, the lubricating oil is filtered through the filter screen cylinder, thereby improving the quality of the lubricating oil filling.

[0012] Preferably, the mounting mechanism comprises a through slot, a sliding ring groove, a fixed groove, a fixed box, a sliding fixed block and a spring, the through slot is mounted at the bottom end of the mounting plate, the sliding ring groove is mounted in the mounting plate, the through slot is connected with the sliding ring groove, the fixed groove is mounted at the bottom of the sliding ring groove, the sliding ring groove is communicated with the fixed groove, the mounting plate is provided with a mounting lug, the fixed box is mounted at the bottom end of the mounting lug of the mounting plate, the sliding fixed block is slidingly mounted on the fixed box, and the spring is connected between the fixed groove and the inner wall of the fixed box; when the filter screen cylinder needs to be replaced and mounted, the sliding fixed block is aligned with the through slot, then the filter screen cylinder is pushed upward, so that the mounting lug of the fixed plate and the sliding fixed block pass through the through slot and enter the sliding ring groove, at this time, the sliding fixed block is extruded into the fixed box by extruding the top surface of the sliding ring groove, then the filter screen cylinder is rotated, when the fixed box is aligned with the fixed groove, the sliding fixed block is pushed out by the elasticity of the spring, thereby the fixed box is pushed back into the fixed groove, so that the filter screen cylinder is fixed, and the operation is reversed when disassembling.

[0013] Compared with the prior art, the beneficial effects of the utility model are that: the driving mechanism drives the filling mechanism to quantitatively fill the lubricating oil, the adjusting mechanism adjusts the amount of quantitative filling of the lubricating oil, the filtering mechanism filters the lubricating oil, the mounting mechanism facilitates the installation and disassembly of the filtering mechanism, and the utility and convenience are improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the first axis measurement structure schematic diagram of the utility model;

[0015] Figure 2 is the second axis measurement structure schematic diagram of the utility model;

[0016] Figure 3 is the third axis measurement structure schematic diagram of the utility model;

[0017] Figure 4 is the fourth axis measurement structure schematic diagram of the utility model;

[0018] Figure 5 is the front view axis measurement section structure schematic diagram of the utility model;

[0019] Figure 6 the front view section structure schematic diagram of the utility model;

[0020] Figure 7 is the Figure 5 enlarged structure schematic diagram of A place in the utility model;

[0021] Figure 8 is the Figure 6 enlarged structure schematic diagram of B place in the utility model;

[0022] Mark in the drawing: 01, filling mechanism;11, filling cylinder;12, piston;13, feed pipe;14, first check valve;15, filling pipe;16, second check valve;02, drive mechanism;21, toothed plate;22, toothed shaft;23, mounting seat;24, motor;03, ration mechanism;31, mounting block;32, U-shaped connecting rod;33, sliding block;34, proximity switch;04, adjusting mechanism;41, mounting frame;42, slide rod;43, sliding sleeve;44, fixing bolt;05, filtering mechanism;51, mounting plate;52, fixed plate;53, filter screen cylinder;06, mounting mechanism;61, slot;62, sliding ring groove;63, fixed groove;64, fixed box;65, sliding fixed block;66, spring. DETAILED DESCRIPTION

[0023] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. EMBODIMENT

[0024] As Figures 1 to 6As shown, a filling device for lubricating oil preparation includes a filtering mechanism 05, and also includes a filling mechanism 01, a driving mechanism 02, a metering mechanism 03, an adjusting mechanism 04 and a mounting mechanism 06, the driving mechanism 02 is mounted on the filling mechanism 01, the metering mechanism 03 is mounted on the filling mechanism 01, the adjusting mechanism 04 is mounted on the outer wall of the filling mechanism 01, the filtering mechanism 05 is mounted on the filling mechanism 01, and the mounting mechanism 06 is mounted on the filtering mechanism 05;

[0025] The filling mechanism 01 is driven by the driving mechanism 02 to quantitatively fill the lubricating oil, the adjusting mechanism 04 assists the metering mechanism 03 to adjust the amount of the lubricating oil quantitatively filled, the filtering mechanism 05 filters the lubricating oil, and the mounting mechanism 06 facilitates the mounting and dismounting of the filtering mechanism 05;

[0026] The filling mechanism 01 includes a filling cylinder 11, a piston 12, a feeding pipe 13, a first one-way valve 14, a filling pipe 15 and a second one-way valve 16, the filling cylinder 11 is provided with a chamber, the piston 12 is slidingly installed in the filling cylinder 11, the feeding pipe 13 is installed on the side wall of the filling cylinder 11, the first one-way valve 14 is installed on the feeding pipe 13, the filling pipe 15 is installed at the bottom end of the filling cylinder 11, the second one-way valve 16 is installed on the filling pipe 15, and the other end of the feeding pipe 13 is connected with an oil tank;

[0027] The driving mechanism 02 includes a toothed plate 21, a toothed shaft 22, a mounting seat 23 and a motor 24, the toothed plate 21 is installed at the top end of the piston 12, the toothed plate 21 is slidingly installed at the top end of the filling cylinder 11, the mounting seat 23 is installed at the top end of the filling cylinder 11, the toothed shaft 22 is rotationally installed on the mounting seat 23, the motor 24 is installed on the mounting seat 23, the output end of the motor 24 is connected with the toothed shaft 22, and the toothed shaft 22 is engaged with the toothed plate 21;

[0028] The metering mechanism 03 includes a mounting block 31, a U-shaped connecting rod 32, a sliding block 33 and a proximity switch 34, the mounting block 31 is installed at the top end of the piston 12, the U-shaped connecting rod 32 is slidingly installed on the top surface of the filling cylinder 11, a sliding groove is arranged on the outer wall of the filling cylinder 11, the sliding block 33 is slidingly installed in the sliding groove, the sliding block 33 is installed at the other end of the U-shaped connecting rod 32, the mounting block 31 is flush with the U-shaped connecting rod 32, and the proximity switch 34 is installed on the adjusting mechanism 04;

[0029] The adjusting mechanism 04 includes a mounting frame 41, a sliding rod 42, a sliding sleeve 43 and a fixing bolt 44, the mounting frame 41 is installed on the outer wall of the filling cylinder 11, the sliding rod 42 is installed on the mounting frame 41, the sliding sleeve 43 is slidingly installed on the sliding rod 42, the fixing bolt 44 is installed on the sliding sleeve 43, and the proximity switch 34 is installed on the sliding sleeve 43;

[0030] By opening the motor 24 drive gear shaft 22 rotation, then through the meshing relationship drive piston 12 in the filling cylinder 11 up sliding, and then make the filling cylinder 11 form negative pressure, at this time the first one-way valve 14 open, the second one-way valve 16 close, and then the oil tank in the lubricating oil through the feed pipe 13 to join in the filling cylinder 11, when reach the amount of filling, by controlling the motor 24 reverse, and then make the piston 12 in the filling cylinder 11 down sliding, at this time the second one-way valve 16 open, the first one-way valve 14 close, and then the filling cylinder 11 in the lubricating oil through the filling pipe 15 discharge, and then complete the filling, when the piston 12 in the filling cylinder 11 up sliding, drive mounting block 31 rise, through the U type connecting rod 32 drive sliding block 33 in the filling cylinder 11 outer wall sliding groove sliding, when the sliding block 33 reach with proximity switch 34 flush height, proximity switch 34 send electric signal control motor 24 reverse work, and then complete the quantitative filling of lubricating oil, through the sliding sleeve 43 on the slide rod 42 sliding proximity switch 34 height adjustment, so as to adjust the amount of quantitative filling, through the fixed bolt 44 on the sliding sleeve 43 fixed, the filter mechanism 05 for filtering lubricating oil, the installation mechanism 06 is convenient for the installation and disassembly of filter mechanism 05, improve the practicability and convenience. Embodiment

[0031] As shown in Figure 7 and Figure 8 , a kind of filling equipment for lubricating oil preparation, including filter mechanism 05, still include filling mechanism 01, drive mechanism 02, quantitative mechanism 03, adjusting mechanism 04 and installation mechanism 06, drive mechanism 02 is installed on filling mechanism 01, quantitative mechanism 03 is installed on filling mechanism 01, adjusting mechanism 04 is installed on the outer wall of filling mechanism 01, filter mechanism 05 is installed on filling mechanism 01, installation mechanism 06 is installed on filter mechanism 05;

[0032] by drive mechanism 02 drive filling mechanism 01 quantitative filling of lubricating oil, adjusting mechanism 04 auxiliary quantitative mechanism 03 the amount of quantitative filling of lubricating oil is adjusted, filter mechanism 05 for filtering lubricating oil, installation mechanism 06 is convenient for the installation and disassembly of filter mechanism 05;

[0033] filter mechanism 05 includes mounting plate 51, fixed plate 52 and filter screen cylinder 53, mounting plate 51 is installed on the inner wall of filling pipe 15, filter screen cylinder 53 is installed on fixed plate 52, fixed plate 52 can be installed on mounting plate 51;

[0034] The mounting mechanism 06 comprises a through slot 61, a sliding ring slot 62, a fixing slot 63, a fixing box 64, a sliding fixing block 65 and a spring 66, the through slot 61 is mounted at the bottom end of the mounting plate 51, the sliding ring slot 62 is mounted in the mounting plate 51, the through slot 61 is connected with the sliding ring slot 62, the fixing slot 63 is mounted at the bottom of the sliding ring slot 62, the sliding ring slot 62 is communicated with the fixing slot 63, the mounting lug is arranged on the fixing plate 52, the fixing box 64 is mounted at the bottom end of the mounting lug of the fixing plate 52, the sliding fixing block 65 is slidingly mounted on the fixing box 64, and the spring 66 is connected between the fixing slot 63 and the inner wall of the fixing box 64;

[0035] The driving mechanism 02 drives the filling mechanism 01 to quantitatively fill the lubricating oil, the adjusting mechanism 04 assists the quantitative mechanism 03 to adjust the quantity of the lubricating oil filled quantitatively, and the practicability is improved; when the lubricating oil is discharged through the filling pipe 15 to complete filling, the lubricating oil is filtered through the filter screen cylinder 53, the quality of the lubricating oil filling is improved, when the filter screen cylinder 53 needs to be replaced and installed, the sliding fixing block 65 is aligned with the through slot 61, then the filter screen cylinder 53 is pushed upwards so that the mounting lug of the fixing plate 52 and the sliding fixing block 65 pass through the through slot 61 and enter into the sliding ring slot 62, at this time, the sliding fixing block 65 is extruded with the top surface of the sliding ring slot 62, so that the sliding fixing block 65 is extruded and enters into the fixing box 64, then the filter screen cylinder 53 is rotated, when the fixing box 64 is aligned with the fixing slot 63, the sliding fixing block 65 is pushed out by the elasticity of the spring 66, and then the fixing box 64 is pushed back into the fixing slot 63, so that the fixing of the filter screen cylinder 53 is completed, and the reverse operation can be performed when disassembling.

[0036] As Figures 1 to 8As shown, the utility model discloses a filling equipment for lubricating oil preparation, when working, through the opening motor 24 drive pinion 22 rotation, after through the meshing relationship drive piston 12 in filling cylinder 11 upwards slide, and then make the filling cylinder 11 form negative pressure, first check valve 14 open, second check valve 16 close, and then the lubricating oil in oil storage tank is added to filling cylinder 11 through feed pipe 13, when reaches the filling amount, through control motor 24 reverse, and then make piston 12 in filling cylinder 11 downwards slide, second check valve 16 open, first check valve 14 close, and then the lubricating oil in filling cylinder 11 is discharged through filling pipe 15, and then complete filling, when piston 12 in filling cylinder 11 upwards slide, drive mounting block 31 to elevate, through U type connecting rod 32 drive sliding block 33 in filling cylinder 11 outer wall sliding slot slide, when sliding block 33 reaches with proximity switch 34 flush height, and proximity switch 34 sends out electric signal control motor 24 reverse work, and then complete the quantitative filling of lubricating oil, through sliding sleeve 43 on sliding rod 42 sliding the height of proximity switch 34 is adjusted, thereby the quantitative filling amount is adjusted, through fixed bolt 44 fixed sliding sleeve 43, when lubricating oil is discharged through filling pipe 15 and completes filling, through filter screen cylinder 53 filters lubricating oil, improves the quality of lubricating oil filling, when filter screen cylinder 53 is replaced and installed, through the alignment of sliding fixed block 65 with through slot 61, then push filter screen cylinder 53 upwards so that the mounting lug of fixed plate 52 and sliding fixed block 65 pass through through slot 61 and enter sliding ring groove 62, at this time, sliding fixed block 65 is extruded into fixed box 64 by the top surface of sliding ring groove 62, then rotate filter screen cylinder 53, when fixed box 64 is aligned with fixed slot 63, sliding fixed block 65 is pushed out by the elasticity of spring 66, and then the fixed box 64 is pushed into the fixed slot 63, so that the filter screen cylinder 53 is fixed, and the reverse operation can be operated when disassembling.

[0037] The first check valve 14, the second check valve 16, the motor 24 and the proximity switch 34 are purchased on the market, and a technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the creative labor of a technical personnel in the field.

[0038] The utility model realizes the main function of: in the lubricating oil filling work process, it is convenient for the quantitative filling of lubricating oil, and it is convenient for adjusting the amount of canning, and it is convenient for filtering lubricating oil and replacing filter screen cylinder 53.

[0039] The above merely is the preferred implementation manner of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. A filling plant for the preparation of lubricating oils, comprising a filtering mechanism (05); characterized by the fact that, It also includes filling mechanism (01), drive mechanism (02), quantitative mechanism (03), adjusting mechanism (04) and mounting mechanism (06), drive mechanism (02) is installed on the filling mechanism (01), quantitative mechanism (03) is installed on the filling mechanism (01), adjusting mechanism (04) is installed on the outer wall of the filling mechanism (01), filter mechanism (05) is installed on the filling mechanism (01), mounting mechanism (06) is installed on the filter mechanism (05); The drive mechanism (02) drives the filling mechanism (01) to quantitatively fill the lubricating oil, the adjusting mechanism (04) assists the quantitative mechanism (03) to adjust the amount of quantitative filling of the lubricating oil, the filter mechanism (05) filters the lubricating oil, and the mounting mechanism (06) facilitates the installation and removal of the filter mechanism (05).

2. A filling apparatus for the preparation of lubricating oils as claimed in claim 1, characterized in that, The filling mechanism (01) includes a filling cylinder (11), a piston (12), a feed pipe (13), a first one-way valve (14), a filling pipe (15) and a second one-way valve (16), the filling cylinder (11) is provided with a chamber, the piston (12) is slidingly installed in the filling cylinder (11), the feed pipe (13) is installed on the side wall of the filling cylinder (11), the first one-way valve (14) is installed on the feed pipe (13), the filling pipe (15) is installed at the bottom end of the filling cylinder (11), the second one-way valve (16) is installed on the filling pipe (15), and the other end of the feed pipe (13) is connected with the oil storage tank.

3. A filling apparatus for the preparation of lubricating oils as claimed in claim 2, characterized in that, The drive mechanism (02) includes a toothed plate (21), a toothed shaft (22), a mounting seat (23) and a motor (24), the toothed plate (21) is installed at the top end of the piston (12), the toothed plate (21) is slidingly installed at the top end of the filling cylinder (11), the mounting seat (23) is installed at the top end of the filling cylinder (11), the toothed shaft (22) is rotatably installed on the mounting seat (23), the motor (24) is installed on the mounting seat (23), the output end of the motor (24) is connected with the toothed shaft (22), and the toothed shaft (22) is engaged with the toothed plate (21).

4. A filling apparatus for the preparation of lubricating oils as claimed in claim 2, characterized in that, The quantitative mechanism (03) includes a mounting block (31), a U-shaped connecting rod (32), a sliding block (33) and a proximity switch (34), the mounting block (31) is installed at the top end of the piston (12), the U-shaped connecting rod (32) is slidingly installed on the top surface of the filling cylinder (11), a sliding groove is formed in the outer wall of the filling cylinder (11), the sliding block (33) is slidingly installed in the sliding groove, the sliding block (33) is installed at the other end of the U-shaped connecting rod (32), the mounting block (31) is flush with the U-shaped connecting rod (32), and the proximity switch (34) is installed on the adjusting mechanism (04).

5. A filling apparatus for the preparation of lubricating oils as claimed in claim 2, characterized in that, The adjusting mechanism (04) includes a mounting frame (41), a sliding rod (42), a sliding sleeve (43) and a fixing bolt (44), the mounting frame (41) is installed on the outer wall of the filling cylinder (11), the sliding rod (42) is installed on the mounting frame (41), the sliding sleeve (43) is slidingly installed on the sliding rod (42), the fixing bolt (44) is installed on the sliding sleeve (43), and the proximity switch (34) is installed on the sliding sleeve (43).

6. A filling apparatus for the preparation of lubricating oils as claimed in claim 2, characterized in that, The filtering mechanism (05) comprises a mounting plate (51), a fixing plate (52) and a filtering screen cylinder (53), the mounting plate (51) is mounted on the inner wall of the filling pipe (15), the filtering screen cylinder (53) is mounted on the fixing plate (52), and the fixing plate (52) can be mounted on the mounting plate (51).

7. A filling apparatus for the preparation of lubricating oils as claimed in claim 6, characterized in that, The mounting mechanism (06) comprises a through slot (61), a sliding ring slot (62), a fixing slot (63), a fixing box (64), a sliding fixing block (65) and a spring (66), the through slot (61) is mounted at the bottom end of the mounting plate (51), the sliding ring slot (62) is mounted in the mounting plate (51), the through slot (61) is connected with the sliding ring slot (62), the fixing slot (63) is mounted at the bottom of the sliding ring slot (62), the sliding ring slot (62) is communicated with the fixing slot (63), the fixing plate (52) is provided with a mounting lug, the fixing box (64) is mounted at the bottom end of the mounting lug of the fixing plate (52), the sliding fixing block (65) is slidingly mounted on the fixing box (64), and the spring (66) is connected between the inner walls of the fixing slot (63) and the fixing box (64).

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