CN217206875U

CN217206875U - Screw vacuum pump solvent recovery unit

Info

Publication number: CN217206875U
Application number: CN202220492511.XU
Authority: CN
Inventors: 王有志; 赵纯峰; 朱婷秀; 谢海林; 马雷; 吴浩; 凡伟
Original assignee: Anhui Feiyao Vacuum Technology Co ltd
Current assignee: Anhui Feiyao Vacuum Technology Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-08-16
Anticipated expiration: 2032-03-08

Abstract

The utility model discloses a screw vacuum pump solvent recovery unit, which comprises a base, wherein a pump body is arranged on the base, a screw assembly is arranged in the pump body in a rotating manner, the screw assembly comprises a first screw and a second screw, one end of the first screw is connected with a first rotating shaft, one end of the second screw is connected with a second rotating shaft, and the first rotating shaft and the second rotating shaft are positioned outside the pump body and are connected through a synchronous gear set in a transmission manner; the top of the pump body is provided with an inlet end, the bottom of the pump body is provided with an outlet end, the inlet end is connected with a sleeve body, the inner wall of the sleeve body is provided with a threaded section, the lower end of the threaded section is provided with a support ring, and the upper side of the support ring is provided with a screen; a motor is arranged on the base, and an output shaft of the motor is in driving connection with the first rotating shaft; the utility model discloses when retrieving the solvent, when the solvent flowed through the cover body along outside body, the screen cloth was outside the pump body with the impurity separation, realized rejecting the impurity in the solvent, and the recovery quality of solvent is high, and has avoided impurity entering pump internal wear to the screw rod, effectively prolongs the life of the pump body.

Description

Screw vacuum pump solvent recovery unit

Technical Field

The utility model relates to a screw vacuum pump technical field specifically is a screw vacuum pump solvent recovery unit.

Background

The screw vacuum pump is proved to be a dry vacuum pump with excellent performance, has the advantages of low ultimate pressure, simple and direct vacuum system, no medium in a working cavity, capability of obtaining clean vacuum, wide application range, environmental protection, greenness and the like, is increasingly applied to various industries, and replaces the traditional water ring vacuum pump and oil seal vacuum pump.

Current screw vacuum pump is difficult to reject its inside impurity that contains when retrieving the solvent, and impurity gets into the inside back of the pump body, easily leads to the screw rod wearing and tearing to damage, for this, the utility model provides a screw vacuum pump solvent recovery unit that can solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw vacuum pump solvent recovery unit to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a screw vacuum pump solvent recovery unit comprises a base, wherein a pump body is mounted on the base, a screw assembly is rotationally arranged in the pump body and comprises a first screw and a second screw, one end of the first screw is connected with a first rotating shaft, one end of the second screw is connected with a second rotating shaft, and the first rotating shaft and the second rotating shaft are located outside the pump body and are in transmission connection through a synchronous gear set; the pump body is characterized in that an inlet end is arranged at the top of the pump body, an outlet end is arranged at the bottom of the pump body, the inlet end is connected with a sleeve body, a threaded section is arranged on the inner wall of the sleeve body, a support ring is arranged at the lower end of the threaded section, and a screen is arranged on the upper side of the support ring; the base is provided with a motor, and an output shaft of the motor is in driving connection with the first rotating shaft.

As an optimal technical scheme of the utility model, the base bottom is provided with the rubber pad.

As an optimal technical scheme of the utility model, first screw rod is provided with first sealing washer with first pivot junction, the second screw rod is provided with the second sealing washer with second pivot junction.

As an optimized technical scheme of the utility model, the screen cloth upper end is provided with the elasticity clamping ring.

As an optimized technical scheme of the utility model, the internal wall of cover is provided with the annular, the annular is located the support ring upper end.

As an optimized technical scheme of the utility model, the pump body outlet end is connected with the conveyer pipe, the conveyer pipe is the hose.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a screw vacuum pump solvent recovery unit, the screen cloth realizes rejecting the impurity in the solvent with the impurity separation in the pump body outside, and the recovery quality of solvent is high, and has avoided impurity entering pump internal wear to the screw rod, effectively prolongs the life of the pump body.

Drawings

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

FIG. 2 is a schematic view of the position relationship between the screen mesh and the elastic pressing ring in the sleeve body according to the present invention;

FIG. 3 is a schematic view of the internal structure of the sheath body of the present invention;

in the figure: 10. a base; 11. a rubber pad; 20. a pump body; 21. an inlet end; 22. an outlet end; 30. a screw assembly; 40. a first rotating shaft; 41. a first seal ring; 50. a synchronous gear set; 60. a motor; 70. a sleeve body; 71. a threaded section; 72. a support ring; 73. screening a screen; 74. an elastic pressing ring; 75. a ring groove; 80. a hose.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a screw vacuum pump solvent recovery unit comprises a base 10, wherein a pump body 20 is installed on the base 10, a screw assembly 30 is rotatably arranged in the pump body 20, the screw assembly 30 comprises a first screw and a second screw, one end of the first screw is connected with a first rotating shaft 40, one end of the second screw is connected with a second rotating shaft, and the first rotating shaft 40 and the second rotating shaft are located outside the pump body 20 and are in transmission connection through a synchronous gear set 50; the pump body 20 is provided with an inlet end 21 at the top and an outlet end 22 at the bottom, the inlet end 21 is connected with a sleeve body 70, a threaded section 71 is arranged on the inner wall of the sleeve body 70, a support ring 72 is arranged at the lower end of the threaded section 71, and a screen mesh 73 is arranged on the upper side of the support ring 72; the base 10 is provided with a motor 60, and an output shaft of the motor 60 is in driving connection with the first rotating shaft 40.

Specifically, when the solvent is recovered, the sleeve body 70 is screwed with the external pipe body, one end of the external pipe body extends into the solvent, the other end of the external pipe body extends into the sleeve body 70 through an external thread to press the screen 73 on the support ring 72, the motor 60 drives the first rotating shaft 40 to rotate, the first rotating shaft 40 drives the first screw to rotate, meanwhile, the first rotating shaft 40 drives the second rotating shaft to rotate through the synchronous gear set 50, the second rotating shaft drives the second screw to rotate, the solvent is sucked and discharged through the gap change of the yield reduction during the rotation of the first screw and the second screw, when the solvent flows through the sleeve body 70 along the external pipe body, the screen 73 blocks impurities outside the pump body 20, so that the impurities in the solvent are removed, the recovery quality of the solvent is high, the impurities are prevented from entering the pump body 20 to abrade the screws, and the service life of the pump body 20 is effectively prolonged; when the solvent recovery work is completed, the external pipe body and the sleeve body 70 can be detached from connection, the screen mesh 73 is replaced, and the filtering effect on impurities in the solvent is effectively guaranteed.

The bottom of the base 10 is provided with a rubber pad 11 which plays a role of shock absorption and buffering.

The first sealing ring 41 is arranged at the joint of the first screw and the first rotating shaft 40, and the second sealing ring is arranged at the joint of the second screw and the second rotating shaft, so that the solvent cannot leak after entering the pump body 20, and the sealing property is good.

The upper end of the screen 73 is provided with an elastic pressing ring 74, the inner wall of the sleeve body 70 is provided with a ring groove 75, and the ring groove 75 is positioned at the upper end of the supporting ring 72. When the outer pipe body is connected with the sleeve body 70, the elastic pressing ring 74 is pressed downwards to play a good sealing role, and a part of the deformation of the elastic pressing ring 74 is pressed tightly to abut against the inner wall of the annular groove 75, so that the sealing performance of solvent conveying is further improved.

The outlet end 22 of the pump body 20 is connected to a delivery tube, which is a hose 80, for facilitating delivery of the recovered solvent to a desired location.

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

Claims

1. The solvent recovery unit of the screw vacuum pump is characterized by comprising a base, wherein a pump body is mounted on the base, a screw assembly is rotationally arranged in the pump body and comprises a first screw and a second screw, one end of the first screw is connected with a first rotating shaft, one end of the second screw is connected with a second rotating shaft, and the first rotating shaft and the second rotating shaft are located outside the pump body and are in transmission connection through a synchronous gear set;

the pump body is characterized in that an inlet end is arranged at the top of the pump body, an outlet end is arranged at the bottom of the pump body, the inlet end is connected with a sleeve body, a threaded section is arranged on the inner wall of the sleeve body, a support ring is arranged at the lower end of the threaded section, and a screen is arranged on the upper side of the support ring;

the base is provided with a motor, and an output shaft of the motor is in driving connection with the first rotating shaft.

2. The screw vacuum pump solvent recovery unit of claim 1, wherein the bottom of the base is provided with a rubber pad.

3. The screw vacuum pump solvent recovery unit of claim 1, wherein a first sealing ring is arranged at a joint of the first screw and the first rotating shaft, and a second sealing ring is arranged at a joint of the second screw and the second rotating shaft.

4. The screw vacuum pump solvent recovery unit according to claim 1, wherein an elastic pressing ring is arranged at the upper end of the screen.

5. The solvent recovery unit of a screw vacuum pump as claimed in claim 1, wherein the inner wall of the housing is provided with a ring groove, and the ring groove is located at the upper end of the support ring.

6. The screw vacuum pump solvent recovery unit of claim 1, wherein the outlet end of the pump body is connected with a delivery pipe, and the delivery pipe is a hose.