CN218131506U

CN218131506U - Lubricating oil blending equipment

Info

Publication number: CN218131506U
Application number: CN202222331991.4U
Authority: CN
Inventors: 汪立新
Original assignee: Hubei Beishun Lubricating Oil Co ltd
Current assignee: Hubei Beishun Lubricating Oil Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2022-12-27
Anticipated expiration: 2032-09-01

Abstract

The utility model relates to the technical field of lubricating oil production, in particular to a lubricating oil blending device, which can simultaneously carry out mechanical stirring and circular impact, and can not mix air bubbles into the lubricating oil, thereby improving the working efficiency and the product quality; the device comprises a blending tank, a compression chamber, a discharge pipe, a circulating pipe, a feeding pipe, a return pipe, a movable cover plate, a vent pipe, a propeller blade and a telescopic stirring mechanism, wherein the compression chamber is arranged at the bottom of the blending tank, the discharge pipe is communicated with the compression chamber, the circulating pipe is communicated with the middle part of the discharge pipe, the output end of the feeding pipe is communicated with the middle part of the circulating pipe, the upper end of the circulating pipe is connected with the return pipe in a sliding and sealing manner, the movable cover plate is arranged in the blending tank in a sliding manner, the return pipe penetrates through the movable cover plate to be communicated with the blending tank, the vent pipe is communicated with a blending chamber, the telescopic stirring mechanism is arranged on the movable cover plate, a stirring assembly of the telescopic stirring mechanism extends into the blending tank, the propeller blade is rotatably arranged in the compression chamber, and the propeller blade is in transmission connection with the telescopic stirring mechanism.

Description

Lubricating oil blending equipment

Technical Field

The utility model relates to a technical field of lubricating oil production especially relates to a lubricating oil blending equipment.

Background

A lubricating oil blending apparatus is widely used in the field of lubricating oil production; the mixing device comprises a blending tank, a compression chamber, a discharge pipe, a circulating pipe, a feeding pipe, a return pipe, a movable cover plate, a vent pipe, a propeller blade and a telescopic stirring mechanism, wherein a blending chamber is arranged inside the blending tank, an upper port is arranged on the upper end face of the blending tank and is communicated with the blending chamber, the bottom of the blending chamber of the compression chamber is provided with the compression chamber, the input end of the discharge pipe is communicated with the compression chamber, the lower end of the circulating pipe is communicated with the middle of the discharge pipe, the output end of the feeding pipe is communicated with the middle of the circulating pipe, the upper end of the circulating pipe is connected with the input end of the return pipe in a sliding and sealing manner, a wear-resistant sealing ring is arranged between the circulating pipe and the return pipe, the movable cover plate is arranged in the blending chamber of the blending tank in a sliding and sealing manner, the wear-resistant sealing ring is arranged between the movable cover plate and the inner wall of the blending tank, the output end of the return pipe penetrates through the movable cover plate and is communicated with the blending chamber of the blending tank, the lower end of the vent pipe penetrates through the movable cover plate and is communicated with the blending chamber, the flexible stirring mechanism, the stirring mechanism is arranged on the movable cover plate, a stirring component of the stirring mechanism, the stirring mechanism extends into the blending tank, the blending assembly of the mixing component of the mixing mechanism, the propeller blade is rotatably arranged in the compression chamber, the helical blade is connected with the helical blade, and the discharge pipe, and the feed pipe are arranged on the feed pipe.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a mechanical stirring and circulation are strikeed and are gone on simultaneously, can not sneak into the bubble in the lubricating oil, improve a lubricating oil blending equipment of work efficiency and product quality.

The utility model discloses a lubricating oil blending device, including the blending tank, the compression chamber, arrange the material pipe, the circulating pipe, the filling tube, the back flow, the removable cover, the permeability cell, propeller blade and flexible rabbling mechanism, the inside of blending tank is provided with the blending cavity, the up end of blending tank is provided with the port, the port communicates with the blending cavity, the bottom of the blending cavity of blending tank is provided with the compression chamber, the input and the compression chamber intercommunication of material pipe are arranged, the lower extreme and the middle part of arranging the material pipe intercommunication of circulating pipe, the output of filling tube and the middle part of circulating pipe intercommunication, the upper end of circulating pipe and the input sliding seal of back flow are connected, be provided with wear-resisting sealing washer between circulating pipe and the back flow, removable cover sliding seal installs in the blending cavity of blending tank, removable cover and the inner wall sliding seal of blending tank are connected, the output of back flow passes removable cover and the blending cavity intercommunication of blending tank, the lower extreme of permeability cell passes removable cover and communicates with the blending cavity, flexible rabbling mechanism installs on the removable cover, the stirring subassembly of flexible rabbling mechanism stretches into the cavity of blending tank, the spiral rotates and installs in the compression chamber, the propeller blade is connected with the stirring mechanism, the stirring mechanism is provided with the stirring mechanism, the stirring mechanism and the blending pipe, the blending tank, the blending pipe is provided with the stirring mechanism and the blending tank; the feeding pipe is connected with an external raw material supply system, a valve of the feeding pipe is opened, a plurality of raw materials enter the circulating pipe through the feeding pipe and are filled into the blending chamber of the blending tank through the return pipe, the blending chamber of the blending tank is filled with the plurality of raw materials, the movable cover plate slides upwards along the inner wall of the blending tank, after the filling is completed, the valve of the feeding pipe is closed, the valve of the vent pipe is opened, air between the movable cover plate and the blending chamber of the blending tank is exhausted, the valve of the vent pipe is closed, the valve of the circulating pipe is opened, the telescopic stirring mechanism is started, the telescopic stirring mechanism mechanically stirs the plurality of raw materials, the helical paddle is driven to rotate in the compression chamber, the rotating helical paddle draws the lubricating oil at the bottom of the blending chamber of the blending tank into the compression chamber and is pumped into the circulating pipe, the lubricating oil enters the return pipe along the return pipe and then flows back to the upper portion of the blending chamber of the blending tank, the lubricating oil is subjected to vertical circulating impact, the mechanical stirring and circulating impact, the lubricating oil is simultaneously, the stirring efficiency is improved, after the discharging is completed, the valve of the circulating pipe is opened, the lubricating oil is quickly discharged, the lubricating oil, and the air bubbles in the blending tank is not mixed in the mixing tank, and the lubricating oil, and the quality of the lubricating oil is improved.

Preferably, the blending tank further comprises a plurality of optical rails and two cross frames, the lower ends of the optical rails are vertically arranged on the upper end face of the movable cover plate, the two cross frames are arranged on the blending tank, and the optical rails are respectively connected with the two cross frames in a sliding manner; a plurality of light rails and two crossbearers carry out spacing direction to removable cover's oscilaltion for removable cover keeps the horizontality to go up and down, improve the ride comfort and the stability of equipment operation.

Preferably, the mixing tank also comprises a plurality of guide plates, the inner wall of the mixing tank is uniformly provided with the plurality of guide plates, the edge of the movable cover plate is provided with a plurality of gaps matched with the plurality of guide plates, and wear-resistant sealing rings are arranged between the plurality of gaps of the movable cover plate and the plurality of guide plates; through setting up a plurality of guide plates, when lubricating oil was stirred, a plurality of guide plates led to pivoted lubricating oil, improved the efficiency of stirring, and the spacing cooperation of a plurality of breachs of a plurality of guide plates and removable cover improves equipment practicality simultaneously.

Preferably, the telescopic stirring mechanism comprises a stirring motor, a sleeve, a telescopic rod, a spline and a plurality of stirring rods, the stirring motor is mounted in the middle of the upper end face of the movable cover plate, an output shaft of the stirring motor is concentrically connected with the upper end of the sleeve, the sleeve penetrates through the movable cover plate and extends into the blending cavity of the blending tank, a bearing and an oil seal are arranged between the sleeve and the movable cover plate, a spline groove is formed in the inner wall of the sleeve, the spline is formed in the outer wall of the telescopic rod, the telescopic rod is slidably connected with the spline groove of the sleeve through the spline, the sleeve and the telescopic rod are respectively provided with the plurality of stirring rods, and the spiral blades are concentrically mounted at the lower end of the telescopic rod; stirring motor drive sleeve pipe rotates, and the sleeve pipe drives the telescopic link and rotates, and the telescopic link drives the propeller blade and rotates, and sleeve pipe and telescopic link drive a plurality of puddlers and rotate, and the puddler carries out mechanical stirring to the lubricating oil in the blending tank, and when filling multiple raw materials and row material, sleeve pipe and telescopic link relative slip for sleeve pipe and telescopic link extension and shrink improve equipment's working effect.

Preferably, the device also comprises a support frame and a thrust bearing, wherein the support frame is arranged at the bottom of the blending chamber of the blending tank, the thrust bearing is arranged in the middle of the support frame, and the lower end of the telescopic rod is concentrically connected with the inner ring of the thrust bearing; the support frame and the thrust bearing rotate the lower end of the telescopic rod to support, and the stability of the equipment is improved during stirring.

Preferably, the heating device also comprises a plurality of heaters, and the plurality of heaters are arranged on the outer wall of the blending tank; the plurality of heaters are arranged to heat the blending tank, so that the viscosity of the lubricating oil in the blending chamber of the blending tank is reduced, and the blending and stirring efficiency is improved.

Compared with the prior art, the beneficial effects of the utility model are that: the feeding pipe is connected with an external raw material supply system, a valve of the feeding pipe is opened, a plurality of raw materials enter the circulating pipe through the feeding pipe and are filled into the blending chamber of the blending tank through the return pipe, the blending chamber of the blending tank is filled with the plurality of raw materials, the movable cover plate slides upwards along the inner wall of the blending tank, after the filling is completed, the valve of the feeding pipe is closed, the valve of the vent pipe is opened, air between the movable cover plate and the blending chamber of the blending tank is exhausted, the valve of the vent pipe is closed, the valve of the circulating pipe is opened, the telescopic stirring mechanism is started, the telescopic stirring mechanism mechanically stirs the plurality of raw materials, the helical paddle is driven to rotate in the compression chamber, the rotating helical paddle draws the lubricating oil at the bottom of the blending chamber of the blending tank into the compression chamber and is pumped into the circulating pipe, the lubricating oil enters the return pipe along the return pipe and then flows back to the upper portion of the blending chamber of the blending tank, the lubricating oil is subjected to vertical circulating impact, the mechanical stirring and circulating impact, the lubricating oil is simultaneously, the stirring efficiency is improved, after the discharging is completed, the valve of the circulating pipe is opened, the lubricating oil is quickly discharged, the lubricating oil, and the air bubbles in the blending tank is not mixed in the mixing tank, and the lubricating oil, and the quality of the lubricating oil is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the axial measurement structure of the present invention;

FIG. 3 is an enlarged schematic view of the telescopic stirring mechanism;

FIG. 4 is a schematic structural diagram of the structure of the return pipe, the movable cover plate, the vent pipe light rail, the cross frame and the like;

in the drawings, the reference numbers: 1. a blending tank; 2. a compression chamber; 3. a discharge pipe; 4. a circulation pipe; 5. a feed tube; 6. a return pipe; 7. a removable cover plate; 8. a gas permeable pipe; 9. a propeller blade; 10. an optical track; 11. a cross frame; 12. a baffle; 13. a stirring motor; 14. a sleeve; 15. a telescopic rod; 16. a spline; 17. a stirring rod; 18. a support frame; 19. a thrust bearing; 20. a heater.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

A lubricating oil blending device comprises a blending tank 1, a compression chamber 2, a discharge pipe 3, a circulating pipe 4, a feeding pipe 5, a return pipe 6, a movable cover plate 7, a vent pipe 8, a propeller blade 9 and a telescopic stirring mechanism, wherein a blending chamber is arranged inside the blending tank 1, an upper port is arranged on the upper end face of the blending tank 1 and communicated with the blending chamber, the compression chamber 2 is arranged at the bottom of the blending chamber of the blending tank 1, the input end of the discharge pipe 3 is communicated with the compression chamber 2, the lower end of the circulating pipe 4 is communicated with the middle part of the discharge pipe 3, the output end of the feeding pipe 5 is communicated with the middle part of the circulating pipe 4, the upper end of the circulating pipe 4 is connected with the input end of the return pipe 6 in a sliding and sealing manner, and a wear-resistant sealing ring is arranged between the circulating pipe 4 and the return pipe 6, the movable cover plate 7 is slidably installed in a blending chamber of the blending tank 1, the movable cover plate 7 is connected with the inner wall of the blending tank 1 in a sliding and sealing mode, a wear-resistant sealing ring is arranged between the movable cover plate 7 and the inner wall of the blending tank 1, the output end of the return pipe 6 penetrates through the movable cover plate 7 to be communicated with the blending chamber of the blending tank 1, the lower end of the vent pipe 8 penetrates through the movable cover plate 7 to be communicated with the blending chamber, the telescopic stirring mechanism is installed on the movable cover plate 7, a stirring assembly of the telescopic stirring mechanism extends into the blending chamber of the blending tank 1, the spiral blade 9 is rotatably installed in the compression chamber 2, the spiral blade 9 is in transmission connection with the telescopic stirring mechanism, and valves are arranged on the discharge pipe 3, the circulating pipe 4, the feeding pipe 5 and the vent pipe 8; the feeding pipe 5 is connected with an external raw material supply system, a valve of the feeding pipe 5 is opened, a plurality of raw materials enter the circulating pipe 4 through the feeding pipe 5 and are filled into the blending chamber of the blending tank 1 through the return pipe 6, the blending chamber of the blending tank 1 is filled with the plurality of raw materials, the movable cover plate 7 slides upwards along the inner wall of the blending tank 1, after filling is completed, the valve of the feeding pipe 5 is closed, a valve of the vent pipe 8 is opened, air between the movable cover plate 7 and the blending chamber of the blending tank 1 is exhausted, the valve of the vent pipe 8 is closed, the valve of the circulating pipe 4 is opened, the telescopic stirring mechanism is started, the telescopic stirring mechanism conducts mechanical stirring on the plurality of raw materials, meanwhile, the helical blade 9 is driven to rotate in the compression chamber 2 by the telescopic stirring mechanism, lubricating oil at the bottom of the blending chamber of the blending tank 1 is pumped into the compression chamber 2 and is pressurized into the circulating pipe 4 by the rotating helical blade 9, the lubricating oil enters the upper portion of the blending chamber of the return pipe 6 and then flows back into the upper portion of the blending chamber of the return pipe 1, so that the lubricating oil can be subjected to conduct up-down circulating impact, and the mechanical stirring and the lubricating oil can not be mixed with the lubricating oil, and the lubricating oil can be discharged from the mixing tank, and the air bubbles in the mixing tank 1 can be prevented.

Example 2

A lubricating oil blending device comprises a blending tank 1, a compression chamber 2, a discharge pipe 3, a circulating pipe 4, a feeding pipe 5, a return pipe 6, a movable cover plate 7, a vent pipe 8, a propeller blade 9 and a telescopic stirring mechanism, wherein a blending chamber is arranged inside the blending tank 1, an upper port is arranged on the upper end face of the blending tank 1 and communicated with the blending chamber, the compression chamber 2 is arranged at the bottom of the blending chamber of the blending tank 1, the input end of the discharge pipe 3 is communicated with the compression chamber 2, the lower end of the circulating pipe 4 is communicated with the middle part of the discharge pipe 3, the output end of the feeding pipe 5 is communicated with the middle part of the circulating pipe 4, the upper end of the circulating pipe 4 is connected with the input end of the return pipe 6 in a sliding and sealing manner, and a wear-resistant sealing ring is arranged between the circulating pipe 4 and the return pipe 6, the adjustable tempering tank is characterized in that a movable cover plate 7 is slidably arranged in a tempering chamber of the tempering tank 1, the movable cover plate 7 is in sliding and sealing connection with the inner wall of the tempering tank 1, a wear-resistant sealing ring is arranged between the movable cover plate 7 and the inner wall of the tempering tank 1, the output end of a backflow pipe 6 penetrates through the movable cover plate 7 to be communicated with the tempering chamber of the tempering tank 1, the lower end of a vent pipe 8 penetrates through the movable cover plate 7 to be communicated with the tempering chamber, a telescopic stirring mechanism is arranged on the movable cover plate 7, a stirring component of the telescopic stirring mechanism extends into the tempering chamber of the tempering tank 1, a spiral blade 9 is rotatably arranged in a compression chamber 2, the spiral blade 9 is in transmission connection with the telescopic stirring mechanism, and valves are arranged on a discharging pipe 3, a circulating pipe 4, a feeding pipe 5 and the vent pipe 8; the lower ends of the optical rails 10 are vertically arranged on the upper end face of the movable cover plate 7, the two cross frames 11 are arranged on the blending tank 1, and the optical rails 10 are respectively connected with the two cross frames 11 in a sliding manner; the mixing tank also comprises a plurality of guide plates 12, the inner wall of the mixing tank 1 is uniformly provided with the plurality of guide plates 12, the edge of the movable cover plate 7 is provided with a plurality of gaps matched with the plurality of guide plates 12, and wear-resistant sealing rings are arranged between the plurality of gaps of the movable cover plate 7 and the plurality of guide plates 12; a plurality of light rails 10, two crossbearers 11 and a plurality of guide plate 12 carry out spacing direction to removable cover 7's oscilaltion for removable cover 7 keeps the horizontality to go up and down, and when lubricating oil was stirred, a plurality of guide plates 12 led pivoted lubricating oil simultaneously, improved the efficiency of stirring.

Example 3

A lubricating oil blending device comprises a blending tank 1, a compression chamber 2, a discharge pipe 3, a circulating pipe 4, a feeding pipe 5, a return pipe 6, a movable cover plate 7, a vent pipe 8, a propeller blade 9 and a telescopic stirring mechanism, wherein a blending chamber is arranged inside the blending tank 1, the upper end face of the blending tank 1 is provided with an upper port which is communicated with the blending chamber, the bottom of the blending chamber of the blending tank 1 is provided with the compression chamber 2, the input end of the discharge pipe 3 is communicated with the compression chamber 2, the lower end of the circulating pipe 4 is communicated with the middle part of the discharge pipe 3, the output end of the feeding pipe 5 is communicated with the middle part of the circulating pipe 4, the upper end of the circulating pipe 4 is in sliding sealing connection with the input end of the return pipe 6, a wear-resistant sealing ring is arranged between the circulating pipe 4 and the return pipe 6, the movable cover plate 7 is arranged in the blending chamber of the blending tank 1 in a sliding sealing manner, the movable cover plate 7 is communicated with the inner wall of the blending tank 1, the movable cover plate 7 is arranged in a sliding sealing manner, the inner wall of the blending tank 1 is provided with a wear-resistant sealing ring, the movable cover plate 7, the upper end of the stirring chamber is arranged in the stirring mechanism, the stirring chamber 9, the stirring mechanism, the upper end of the stirring mechanism is arranged in the stirring mechanism, and the stirring mechanism, the helical stirring mechanism 5, the stirring mechanism, the feed pipe 4 is arranged in the mixing tank 1, and the mixing mechanism, the compression chamber 2; the telescopic stirring mechanism comprises a stirring motor 13, a sleeve 14, a telescopic rod 15, a spline 16 and a plurality of stirring rods 17, wherein the stirring motor 13 is installed in the middle of the upper end face of the movable cover plate 7, an output shaft of the stirring motor 13 is concentrically connected with the upper end of the sleeve 14, the sleeve 14 penetrates through the movable cover plate 7 and extends into the blending chamber of the blending tank 1, a bearing and an oil seal are arranged between the sleeve 14 and the movable cover plate 7, a spline groove is formed in the inner wall of the sleeve 14, the spline 16 is arranged on the outer wall of the telescopic rod 15, the telescopic rod 15 is slidably connected with the spline groove of the sleeve 14 through the spline 16, the sleeve 14 and the telescopic rod 15 are respectively provided with the plurality of stirring rods 17, and the spiral blades 9 are concentrically installed at the lower end of the telescopic rod 15; the blending tank also comprises a support frame 18 and a thrust bearing 19, wherein the support frame 18 is arranged at the bottom of the blending chamber of the blending tank 1, the thrust bearing 19 is arranged in the middle of the support frame 18, and the lower end of the telescopic rod 15 is concentrically connected with the inner ring of the thrust bearing 19; the blending tank also comprises a plurality of heaters 20, wherein the heaters 20 are arranged on the outer wall of the blending tank 1; a plurality of heaters 20 heat blending tank 1, make the viscosity of the lubricating oil in the blending cavity of blending tank 1 reduce, agitator motor 13 drive sleeve pipe 14 rotates, sleeve pipe 14 drives telescopic link 15 and rotates, telescopic link 15 drives propeller blade 9 and rotates, sleeve pipe 14 and telescopic link 15 drive a plurality of puddlers 17 and rotate, puddler 17 carries out mechanical stirring to the lubricating oil in blending tank 1, when filling multiple raw materials and arranging the material, sleeve pipe 14 and telescopic link 15 relative slip, make sleeve pipe 14 and telescopic link 15 extension and shrink, support frame 18 and thrust bearing 19 rotate the support to the lower extreme of telescopic link 15, the stability of equipment when improving the stirring.

As shown in fig. 1 to 4, the utility model discloses a lubricating oil blending device, when it works, at first the filling tube 5 is connected with external raw material supply system, later open the valve of filling tube 5, multiple raw materials pass through filling tube 5 and get into circulating pipe 4, and fill in the blending cavity of blending tank 1 through back flow 6, multiple raw materials fill the blending cavity of blending tank 1, make removable cover 7 upwards slide along the inner wall of blending tank 1, a plurality of light rails 10 and two crossbearers 11 carry out the spacing direction of oscilaltion to removable cover 7, then fill and accomplish, close the valve of filling tube 5, open the valve of breather pipe 8, discharge the air between removable cover 7 and the blending cavity of blending tank 1, close the valve of breather pipe 8, open the valve of circulating pipe 4, start stirring motor 13, stirring motor 13 drives sleeve 14 and rotates, sleeve 14 drives telescopic link 15 and rotates, sleeve 14 and telescopic link 15 drive a plurality of stirring rod 17 to rotate, stirring rod 17 carries out the mechanical stirring to the lubricating oil in the blending tank 1, simultaneously 15 drive propeller blade 9 rotate in the compression chamber 2, the last propeller blade rotates the stirring tank and the last propeller blade rotates the pressure-operated circulating pipe 4 that the mixing tank 1 and the lubricating oil pressure-feed back to the mixing tank 1, make the lubricating oil discharge the last propeller blade 4 that the circulating pipe of mixing tank rotate, the last propeller blade that the circulation pipe that rotates and can be followed the circulation pipe 4 that the circulation pipe that the lubricating oil discharge.

The utility model discloses the main function who realizes does: mechanical stirring and circular impact are simultaneously carried out, bubbles cannot be mixed into lubricating oil, and the working efficiency and the product quality are improved.

The installation mode, the connection mode or the setting mode of the lubricating oil blending equipment of the utility model are common mechanical modes, and the lubricating oil blending equipment can be implemented as long as the beneficial effects can be achieved; the utility model discloses a blending tank 1, compression chamber 2, back flow 6, heater 20, propeller blade 9, light rail 10, agitator motor 13, sleeve pipe 14, telescopic link 15, spline 16, thrust bearing 19 of lubricating oil blending equipment are purchase on the market, and this industry technical staff only need according to its subsidiary service instruction install and operate can, and need not the technical staff in this field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A lubricating oil blending device is characterized by comprising a blending tank (1), a compression chamber (2), a discharge pipe (3), a circulating pipe (4), a feeding pipe (5), a return pipe (6), a movable cover plate (7), a vent pipe (8), a propeller blade (9) and a telescopic stirring mechanism, wherein a blending chamber is arranged in the blending tank (1), an upper end face of the blending tank (1) is provided with an upper port communicated with the blending chamber, the bottom of the blending chamber of the blending tank (1) is provided with the compression chamber (2), the input end of the discharge pipe (3) is communicated with the compression chamber (2), the lower end of the circulating pipe (4) is communicated with the middle part of the discharge pipe (3), the output end of the feeding pipe (5) is communicated with the middle part of the circulating pipe (4), the upper end of the circulating pipe (4) is connected with the input end of the return pipe (6) in a sliding and sealing manner, a wear-resistant sealing ring is arranged between the circulating pipe (4) and the return pipe (6), the movable cover plate (7) is arranged in the blending chamber of the blending tank (1) in a sliding manner, the movable cover plate (7) is connected with the inner wall of the blending tank (1) in a sliding and in a sealing manner, the inner wall of the blending tank (7) is arranged between the movable cover plate (7) and communicated with the inner wall of the blending tank (1), the mixing chamber (6), and the mixing chamber (1), the lower end of the vent pipe (8) penetrates through the movable cover plate (7) to be communicated with the blending chamber, the telescopic stirring mechanism is installed on the movable cover plate (7), the stirring assembly of the telescopic stirring mechanism extends into the blending chamber of the blending tank (1), the propeller blade (9) is rotatably installed in the compression chamber (2), the propeller blade (9) is in transmission connection with the telescopic stirring mechanism, and valves are arranged on the discharge pipe (3), the circulating pipe (4), the feeding pipe (5) and the vent pipe (8).

2. The lubricating oil blending device according to claim 1, further comprising a plurality of light rails (10) and two cross frames (11), wherein the lower ends of the plurality of light rails (10) are vertically arranged on the upper end surface of the movable cover plate (7), the two cross frames (11) are arranged on the blending tank (1), and the plurality of light rails (10) are respectively connected with the two cross frames (11) in a sliding manner.

3. The lubricating oil blending equipment according to claim 1, further comprising a plurality of guide plates (12), wherein the plurality of guide plates (12) are uniformly arranged on the inner wall of the blending tank (1), a plurality of notches matched with the plurality of guide plates (12) are arranged on the edge of the movable cover plate (7), and wear-resistant sealing rings are arranged between the plurality of notches of the movable cover plate (7) and the plurality of guide plates (12).

4. The lubricating oil blending device of claim 1, wherein the telescopic stirring mechanism comprises a stirring motor (13), a sleeve (14), a telescopic rod (15), a spline (16) and a plurality of stirring rods (17), the stirring motor (13) is installed in the middle of the upper end face of the movable cover plate (7), an output shaft of the stirring motor (13) is concentrically connected with the upper end of the sleeve (14), the sleeve (14) penetrates through the movable cover plate (7) and extends into the blending chamber of the blending tank (1), a bearing and an oil seal are arranged between the sleeve (14) and the movable cover plate (7), a spline groove is formed in the inner wall of the sleeve (14), the spline (16) is arranged on the outer wall of the telescopic rod (15), the telescopic rod (15) is slidably connected with the spline groove of the sleeve (14) through the spline (16), the sleeve (14) and the telescopic rod (15) are respectively provided with the plurality of stirring rods (17), and the helical blades (9) are concentrically installed at the lower end of the telescopic rod (15).

5. The lubricating oil blending apparatus according to claim 4, further comprising a support frame (18) and a thrust bearing (19), wherein the support frame (18) is installed at the bottom of the blending chamber of the blending tank (1), the thrust bearing (19) is installed at the middle of the support frame (18), and the lower end of the telescopic rod (15) is concentrically connected with the inner ring of the thrust bearing (19).

6. The oil blending apparatus of claim 1, further comprising a plurality of heaters (20), the plurality of heaters (20) being mounted on an outer wall of the blending tank (1).