CN216241273U

CN216241273U - Screw pump with lubricating oil feeding mechanism

Info

Publication number: CN216241273U
Application number: CN202122133541.XU
Authority: CN
Inventors: 陆春荣; 陆铭; 陈红; 张亚平
Original assignee: Jingjiang Hongfei Pump Industry Co ltd
Current assignee: Jingjiang Hongfei Pump Industry Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-04-08
Anticipated expiration: 2031-09-06

Abstract

The utility model relates to the technical field of screw pumps, in particular to a screw pump with a lubricating oil feeding mechanism, which comprises a shell, wherein the top of the shell is provided with a charging hole, one side of the shell is provided with a discharging groove, two screw pumps are rotatably arranged in the discharging groove, one ends of the two screw pumps are fixedly provided with rotating rods, the outer sides of the two rotating rods are respectively provided with a rotating gear, one end of one rotating rod of the two rotating rods is fixedly provided with a rotating motor, one side of the shell is provided with a groove, the outer sides of the two rotating rods are positioned in the same groove, one end of the shell is fixedly provided with a discharging pipe, the discharging pipe is provided with a first valve, the discharging pipe is fixedly communicated with a cleaning discharging pipe, and the cleaning discharging pipe is provided with a second valve and a one-way valve, the use is simple and convenient.

Description

Screw pump with lubricating oil feeding mechanism

Technical Field

The utility model relates to the technical field of screw pumps, in particular to a screw pump with a lubricating oil feeding mechanism.

Background

The lubricating oil is a liquid lubricant used on various types of machines to reduce friction and protect the machines and workpieces, and mainly plays roles of lubrication, cooling, rust prevention, cleaning, sealing, buffering and the like.

The existing screw pump is easy to cause residue in the pipe when pumping lubricating oil, is inconvenient for conveying different types of liquid, and therefore needs to be cleaned and discharge the cleaned liquid residue.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a screw pump with a lubricant feeding mechanism to solve the problems set forth in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a screw pump with a lubricating oil feeding mechanism comprises a shell, wherein a charging hole is formed in the top of the shell, a discharging groove is formed in one side of the shell, two screw pumps are rotatably mounted in the discharging groove, rotating rods are fixedly mounted at one ends of the two screw pumps, rotating gears are mounted on the outer sides of the two rotating rods, a rotating motor is fixedly mounted at one end of one rotating rod of the two rotating rods, a groove is formed in one side of the shell, the outer sides of the two rotating rods are located in the same groove, a discharging pipe is fixedly mounted at one end of the shell and is provided with a first valve, a cleaning discharging pipe is fixedly communicated with the discharging pipe and is provided with a second valve and a one-way valve, a cleaning mechanism is arranged at the bottom of the shell and comprises a bottom groove formed in the inner wall of the bottom of the shell, and a first movable rod is slidably mounted on the inner wall of the top of the bottom groove, a piston is fixedly mounted at one end of the first movable rod, and the piston is located in the cleaning discharge pipe.

Preferably, slidable mounting has the second movable rod on the inner wall of one side of kerve, and the top of second movable rod is located the recess, and the outside fixed mounting of a dwang in two dwangs has the cam, and the outside of cam contacts with the top of second movable rod.

Preferably, a first moving groove is formed in the inner wall of one side of the bottom groove, a first moving rod is fixedly mounted in the first moving groove, a first moving block is slidably mounted on the outer side of the first moving rod, one side of the first moving block is fixedly mounted on the outer side of the second moving rod, a second moving groove is formed in the inner wall of the top of the bottom groove, a second moving rod is fixedly mounted in the second moving groove, a second moving block is slidably mounted on the outer side of the second moving rod, and the bottom of the second moving block is fixedly mounted on the outer side of the first moving rod.

Preferably, the top of the first moving block is fixedly provided with a first spring, the top of the first spring is fixedly arranged on the inner wall of the top of the first moving groove, one side of the second moving block is fixedly provided with a second spring, and one end of the second spring is fixedly arranged on the inner wall of one side of the second moving groove.

Through starting the rotating motor, make the high-speed rotation of two screw pumps, carry lubricating oil to the discharging pipe and discharge, the cam rotates simultaneously and makes the second movable rod descend, through the setting of first spring and second spring to make first movable rod drive the reciprocating motion about the piston forms, make outside air pass through and wash the discharge pipe and get into the casing and realize the cooling.

After the conveying is finished, cleaning agents are added through the feeding port, and meanwhile, the cleaning discharge pipe is subjected to negative pressure to generate suction force along with the left and right reciprocating motion of the piston, so that the discharge of liquid in the discharge groove is enhanced, and the cleaning process is finished.

The utility model is convenient for cleaning and discharging the residual lubricating oil, can reduce the heat generated by the high-speed rotation of the screw pump, and is simple and convenient to use.

Drawings

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

FIG. 2 is an enlarged view of part A of FIG. 1;

FIG. 3 is a schematic top view of the housing of FIG. 1;

fig. 4 is a partial sectional structural view of the housing of fig. 1.

In the figure: the device comprises a shell 1, a charging hole 2, a discharging groove 3, a screw pump 4, a rotating rod 5, a rotating gear 6, a rotating motor 7, a groove 8, a discharging pipe 9, a first valve 10, a cleaning discharging pipe 11, a second valve 12, a one-way valve 13, a bottom groove 14, a first movable rod 15, a piston 16, a second movable rod 17, a cam 18, a first movable groove 19, a first movable rod 20, a first movable block 21, a first spring 22, a second movable groove 23, a second movable rod 24, a second movable block 25 and a second spring 26.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a screw pump with a lubricating oil feeding mechanism comprises a shell 1, a charging hole 2 is arranged at the top of the shell 1, a discharging groove 3 is arranged at one side of the shell 1, two screw pumps 4 are rotatably arranged in the discharging groove 3, rotating rods 5 are fixedly arranged at one ends of the two screw pumps 4, rotating gears 6 are respectively arranged at the outer sides of the two rotating rods 5, a rotating motor 7 is fixedly arranged at one end of one rotating rod 5 of the two rotating rods 5, a groove 8 is arranged at one side of the shell 1, the outer sides of the two rotating rods 5 are respectively positioned in the same groove 8, a discharging pipe 9 is fixedly arranged at one end of the shell 1, a first valve 10 is arranged on the discharge pipe 9, a cleaning discharge pipe 11 is fixedly communicated with the discharge pipe 9, and a second valve 12 and a one-way valve 13 are arranged on the cleaning discharge pipe 11, a cleaning mechanism is arranged at the bottom of the shell 1, and one end of the cleaning discharge pipe 11 penetrates through the shell 1 and extends to the bottom of the shell 1.

In this embodiment, the cleaning mechanism includes a bottom groove 14 formed on the inner wall of the bottom of the casing 1, a first movable rod 15 is slidably mounted on the inner wall of the top of the bottom groove 14, a piston 16 is fixedly mounted at one end of the first movable rod 15, the piston 16 is located in the cleaning discharge pipe 11, and the piston 16 facilitates the cleaning discharge pipe 11 to generate negative pressure, so as to form suction force to enhance the liquid discharge effect.

In this embodiment, slidable mounting has second movable rod 17 on the inner wall of one side of kerve 14, and the top of second movable rod 17 is located recess 8, the outside fixed mounting of a dwang 5 in two dwang 5 has cam 18, the outside of cam 18 contacts with the top of second movable rod 17, cam 18 is established and is extrudeed second movable rod 17 when being convenient for rotate, the top of second movable rod 17 is the arc, the bottom of second movable rod 17 is oblique arc, the one end of first movable rod 15 is oblique arc.

In this embodiment, a first moving groove 19 is formed in an inner wall of one side of the bottom groove 14, a first moving rod 20 is fixedly installed in the first moving groove 19, a first moving block 21 is slidably installed on an outer side of the first moving rod 20, one side of the first moving block 21 is fixedly installed on an outer side of the second moving rod 17, and the first moving groove 19, the first moving rod 20 and the first moving block 21 are convenient for stabilizing sliding of the second moving rod 17.

In this embodiment, the second moving groove 23 is formed in the inner wall of the top of the bottom groove 14, the second moving rod 24 is fixedly installed in the second moving groove 23, the second moving block 25 is slidably installed on the outer side of the second moving rod 24, the bottom of the second moving block 25 is fixedly installed on the outer side of the first moving rod 15, and the second moving groove 23, the second moving rod 24 and the second moving block 25 are convenient for stabilizing the sliding of the first moving rod 15.

In this embodiment, the first spring 22 is fixedly mounted on the top of the first moving block 21, the top of the first spring 22 is fixedly mounted on the inner wall of the top of the first moving groove 19, the second spring 26 is fixedly mounted on one side of the second moving block 25, one end of the second spring 26 is fixedly mounted on the inner wall of one side of the second moving groove 23, the first spring 22 is convenient for enabling the first moving block 21 to drive the second movable rod 17 to reset, and the second spring 26 is convenient for enabling the second moving block 25 to drive the first movable rod 15 to reset.

The working principle is as follows: in the using process, firstly, the first valve 10 and the one-way valve 13 are opened, the second valve 12 is closed to prevent lubricating oil from entering the cleaning discharge pipe 11, then the lubricating oil is added into the discharge groove 3 through the charging opening 2, then the rotating motor 7 is started, the rotating motor 7 drives the two rotating rods 5 to rotate, the two rotating rods 5 drive the screw pumps 4 to rotate, the lubricating oil is conveyed to the discharge pipe 9 to be discharged due to the high-speed rotation of the two screw pumps 4, meanwhile, the cam 18 can rotate due to the rotation of the two rotating rods 5, the cam 18 rotates to enable the second movable rod 17 to descend, the second movable rod 17 descends to enable the first movable rod 15 to be extruded to move leftwards, the first movable rod 15 drives the piston 16 to move, meanwhile, the first spring 22 and the second spring 26 are deformed to generate elastic force, the second movable rod 17 and the first movable rod 15 are reset, and therefore the first movable rod 15 drives the piston 16 to form left-right reciprocating motion, because the one-way valve 13 on the cleaning discharge pipe 11 is opened, the outside air enters the shell 1 through the cleaning discharge pipe 11 to realize cooling, the heat generated by the high-speed rotation of the two screw pumps 4 is reduced, after the conveying is finished, the first valve 10 and the one-way valve 13 are closed, the second valve 12 is opened, the cleaning agent is added through the charging hole 2, the liquid in the discharge chute 3 enters the cleaning discharge pipe 11 through the starting of the rotating motor 7, and simultaneously, along with the left and right reciprocating motion of the piston 16, negative pressure is formed on the cleaning discharge pipe 11 to generate suction, so that the discharge of the liquid in the discharge chute 3 is enhanced, and the cleaning process is finished.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a screw pump with lubricating oil feed mechanism, includes casing (1), its characterized in that: the improved screw pump is characterized in that a feeding port (2) is formed in the top of the shell (1), a discharging groove (3) is formed in one side of the shell (1), two screw pumps (4) are installed in the discharging groove (3) in a rotating mode, rotating rods (5) are fixedly installed at one ends of the two screw pumps (4), a rotating gear (6) is installed on the outer sides of the two rotating rods (5), a rotating motor (7) is fixedly installed at one end of one rotating rod (5) of the two rotating rods (5), a groove (8) is formed in one side of the shell (1), the outer sides of the two rotating rods (5) are located in the same groove (8), a discharging pipe (9) is fixedly installed at one end of the shell (1), a first valve (10) is installed on the discharging pipe (9), a cleaning discharging pipe (11) is fixedly communicated with the discharging pipe (9), and a second valve (12) and a one-way valve (13) are installed on the cleaning discharging pipe (11), and a cleaning mechanism is arranged at the bottom of the shell (1).

2. A screw pump with a lubricant feed according to claim 1, wherein: the cleaning mechanism comprises a bottom groove (14) formed in the inner wall of the bottom of the shell (1), a first movable rod (15) is slidably mounted on the inner wall of the top of the bottom groove (14), a piston (16) is fixedly mounted at one end of the first movable rod (15), and the piston (16) is located in the cleaning discharge pipe (11).

3. A screw pump with a lubricant feed according to claim 2, wherein: slidable mounting has second movable rod (17) on one side inner wall of kerve (14), and the top of second movable rod (17) is located recess (8), and the outside fixed mounting of one dwang (5) in two dwang (5) has cam (18), and the outside of cam (18) contacts with the top of second movable rod (17).

4. A screw pump with a lubricant feed according to claim 2, wherein: a first moving groove (19) is formed in the inner wall of one side of the bottom groove (14), a first moving rod (20) is fixedly installed in the first moving groove (19), a first moving block (21) is installed on the outer side of the first moving rod (20) in a sliding mode, and one side of the first moving block (21) is fixedly installed on the outer side of the second moving rod (17).

5. A screw pump with a lubricant feed according to claim 2, wherein: a second moving groove (23) is formed in the inner wall of the top of the bottom groove (14), a second moving rod (24) is fixedly mounted in the second moving groove (23), a second moving block (25) is slidably mounted on the outer side of the second moving rod (24), and the bottom of the second moving block (25) is fixedly mounted on the outer side of the first moving rod (15).

6. A screw pump with a lubricant feed according to claim 4, wherein: the top of the first moving block (21) is fixedly provided with a first spring (22), the top of the first spring (22) is fixedly arranged on the inner wall of the top of the first moving groove (19), one side of the second moving block (25) is fixedly provided with a second spring (26), and one end of the second spring (26) is fixedly arranged on the inner wall of one side of the second moving groove (23).