CN213270266U

CN213270266U - Vacuum roots pump capable of filtering impurities

Info

Publication number: CN213270266U
Application number: CN202022052988.XU
Authority: CN
Inventors: 张刚
Original assignee: Zibo Shuanghuan Vacuum Pump Factory
Current assignee: Zibo Shuanghuan Vacuum Pump Factory
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-05-25
Anticipated expiration: 2030-09-17

Abstract

The application relates to a but impurity filtering's vacuum lobe pump, it includes the pump body, be provided with filtering mechanism on the pump body, filtering mechanism includes main piece and filter, seted up on the pump body with the intercommunicating pore of pump body air inlet intercommunication, but the joint of main piece is in the intercommunicating pore, the filter sets up on the main piece. This application has the effect that improves life.

Description

Vacuum roots pump capable of filtering impurities

Technical Field

The application relates to the technical field of vacuum roots pumps, in particular to a vacuum roots pump capable of filtering impurities.

Background

The Roots vacuum pump is applied to vacuum operations such as vacuum smelting, vacuum drying, vacuum impregnation, vacuum degassing and the like, and is also widely applied to industries such as petroleum, chemical engineering, metallurgy, textile and the like. The roots vacuum pump is a vacuum pump without internal compression, generally has a low compression ratio, needs to improve the vacuum degree and the air extraction capacity of a pump body before use, but cannot work independently, and can be started only by pre-pumping to the required vacuum degree by using a backing pump.

At present, the chinese utility model that the bulletin number is CN202360402U of authorizing discloses a roots vacuum pump, including the roots vacuum pump body, this internal axle and the rotor of being equipped with of roots vacuum pump, the axle outside is equipped with rotor, its characterized in that: the improved Roots vacuum pump is characterized in that an air inlet is formed in the upper end of the Roots vacuum pump body, an air outlet is formed in the lower end of the Roots vacuum pump body, air supplementing ports are formed in two sides of the Roots vacuum pump body, and a cooling device is arranged at the air outlet of the Roots vacuum pump body.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when impurity air inlets enter the roots vacuum pump body, abrasion of the rotor can be caused, the roots vacuum pump cannot be normally used after the rotor is abraded, and therefore the service life of the roots vacuum pump is shortened.

SUMMERY OF THE UTILITY MODEL

In order to improve life, but this application provides a but vacuum roots pump of filterable impurity.

The application provides a but filtration impurity's vacuum roots pump adopts following technical scheme:

the utility model provides a but impurity filtering's vacuum roots pump, includes the pump body, be provided with filtering mechanism on the pump body, filtering mechanism includes main piece and filter, set up on the pump body with the intercommunicating pore of pump body air inlet intercommunication, but the joint of main piece is in the intercommunicating pore, the filter sets up on the main piece.

By adopting the technical scheme, the main body enters the pump body through the communicating hole, so that the main body is connected to the main block, then gas entering the pump body through the gas inlet can be filtered through the filter plate on the main block, and the filter plate blocks impurities; therefore, the filtering mechanism can block impurities, and the service life is prolonged.

Preferably, be provided with on the owner piece with pump body connection's fixed establishment, fixed establishment includes connecting plate and fixture block, the connecting plate sets up on the owner piece, just the connecting plate can be contradicted the pump body, all be provided with on the both ends of connecting plate the fixture block, set up on the pump body with the first draw-in groove of fixture block joint.

By adopting the technical scheme, when the main block is clamped with the communicating hole, the connecting plate can be abutted against the side wall of the pump body, and the clamping block on the connecting plate can be clamped with the first clamping groove on the pump body; the stability of the main block on the pump body can be improved by the arranged fixing mechanism.

Preferably, a reinforcing mechanism is arranged on the pump body and comprises reinforcing blocks and a first adjusting assembly, a cavity communicated with the first clamping groove is formed in the pump body, reinforcing grooves are formed in the clamping blocks, two reinforcing blocks are arranged and connected in the cavity in a sliding mode, and the two reinforcing blocks are respectively clamped with the two reinforcing grooves; the first adjusting component is arranged on the pump body, and the two reinforcing blocks are connected with the first adjusting component.

By adopting the technical scheme, after the clamping blocks are clamped with the first clamping grooves, the first adjusting assembly is started, the first adjusting assembly drives the two reinforcing blocks to move oppositely, and the two reinforcing blocks can be respectively clamped with the reinforcing grooves on the two clamping blocks; the reinforcing mechanism who sets up can improve the stability of fixture block in first draw-in groove to improve the stability of owner's piece on the pump body.

Preferably, the first adjusting assembly comprises a first motor and a bidirectional screw rod, the bidirectional screw rod is rotatably connected in the cavity, and the two reinforcing blocks are respectively connected with two ends of the bidirectional screw rod; the first motor is arranged in the pump body and connected with the bidirectional screw.

By adopting the technical scheme, the first motor is started, the output shaft of the first motor drives the bidirectional screw to rotate, and the bidirectional screw rotates to drive the two reinforcing blocks to move in the opposite direction or in the opposite direction; the first adjusting component is simple in structure, convenient to operate and time-saving, and efficiency is never improved.

Preferably, a placing groove is formed in the main block, a first sliding groove communicated with the placing groove is formed in the main block, and a baffle is connected in the first sliding groove in a sliding manner; the second spout has been seted up on the standing groove lateral wall, the filter can slide in the second spout, the baffle is contradicted the filter just will the filter is injectd in the standing groove.

Through adopting above-mentioned technical scheme, when impurity on the filter is too much, take out the owner piece from the pump body, then with baffle follow first spout internal slipping shift out, again with the filter from the second spout internal slipping shift out, clear up the filter at last.

Preferably, a fixed block is arranged in the main block, a second clamping groove clamped with the filter plate is formed in the fixed block, a limiting mechanism is arranged on the fixed block, the limiting mechanism comprises a limiting block and a second adjusting component, the limiting block is connected to the fixed block in a sliding mode, and a limiting groove clamped with the limiting block is formed in the filter plate; the second adjusting component is arranged on the fixed block and connected with the limiting block.

Through adopting above-mentioned technical scheme, the filter slides in through the second spout and enters into the second draw-in groove of fixed block in, then starts second adjusting part, and second adjusting part drives the motion of limiting block, makes limiting block and the limiting groove joint on the filter to with the better connection of filter on the fixed block.

Preferably, the second adjusting assembly comprises a rack, a second motor and a gear, and the rack is arranged on the limiting block; the second motor is arranged on the fixed block, and the gear is connected to an output shaft of the second motor in a key mode and meshed with the rack.

By adopting the technical scheme, the second motor is started, the output shaft of the second motor drives the gear to rotate, the rack meshed with the gear moves, and the rack drives the limiting block to slide on the fixed block; the second adjusting component is simple in structure and convenient to operate.

Preferably, a third chute communicated with the placing groove is formed in the main block, the fixed block can slide in the third chute, a third adjusting assembly connected with the fixed block is arranged on the main block, the third adjusting assembly comprises an adjusting rod, a driving rod and a third motor, a sliding groove for the filter plate to slide is formed in the baffle plate, the third motor is arranged on the main block, and the driving rod is rotatably connected to the main block and connected with an output shaft of the third motor; one end of the adjusting rod is hinged to the driving rod, and the other end of the adjusting rod is hinged to the fixing block.

By adopting the technical scheme, the third motor is started, the output shaft of the third motor drives the driving rod to rotate, the driving rod drives the adjusting rod to move, the adjusting rod drives the fixing block to slide in the third sliding groove, the filter plate on the fixing block can slide in the second sliding groove, and one end of the filter plate, which is far away from the fixing block, can move in the sliding groove of the baffle plate; the third adjusting component can enable the filter plate to move in the main block, and the filter plate is prevented from being blocked by impurities.

To sum up, the beneficial technical effect of this application does:

1. the arranged filtering mechanism can block impurities, so that the service life is prolonged;

2. the reinforcing mechanism who sets up can improve the stability of fixture block in first draw-in groove to improve the stability of owner's piece on the pump body.

Drawings

FIG. 1 is a schematic structural view of a vacuum Roots pump capable of filtering impurities according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a filter mechanism according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a third adjustment assembly in an embodiment of the present application;

fig. 4 is a schematic structural view of a limiting mechanism in the embodiment of the present application.

Reference numerals: 1. a pump body; 11. an air inlet pipe; 12. mounting blocks; 2. a filtering mechanism; 21. a master block; 22. a filter plate; 3. a fixing mechanism; 31. a connecting plate; 32. a clamping block; 33. a gasket; 4. a reinforcement mechanism; 41. a reinforcing block; 42. a first adjustment assembly; 421. a first motor; 422. a bidirectional screw; 5. a baffle plate; 6. a fixed block; 7. a limiting mechanism; 71. a limiting block; 72. a second adjustment assembly; 721. a rack; 722. a second motor; 723. a gear; 8. a third adjustment assembly; 81. adjusting a rod; 82. a drive rod; 821. a first lever; 822. a second lever; 83. a third motor.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Referring to fig. 1, for this application embodiment, a vacuum roots pump capable of filtering impurities is disclosed, which includes a pump body 1, an air inlet pipe 11 is fixedly connected to an air inlet end on the pump body 1, an installation block 12 is fixedly connected to the air inlet pipe 11, and a filtering mechanism 2 is arranged on the installation block 12.

Referring to fig. 1 and 2, the mounting block 12 is provided with a communication hole communicating with the passage of the intake pipe 11; the filtering mechanism 2 comprises a main block 21, the main block 21 can slide in the communicating hole and can seal the channel of the air inlet pipe 11, a placing groove is formed in the main block 21, two second sliding grooves are formed in the side wall of the placing groove, and the axis of each second sliding groove is perpendicular to the direction of gas passing; the main block 21 is provided with a first sliding groove communicated with the placing groove, the axis of the first sliding groove is perpendicular to the axis of the second sliding groove, the first sliding groove is connected with a baffle plate 5 in a sliding mode, and one side, close to the placing groove, of the baffle plate 5 is provided with a sliding groove.

Referring to fig. 2 and 3, a third sliding groove is formed in one end, away from the baffle 5, of the main block 21, a fixing block 6 is connected to the third sliding groove in a sliding manner, and a second clamping groove is formed in the fixing block 6.

The main block 21 is provided with a third adjusting component 8 connected with the fixed block 6, and the third adjusting component 8 comprises a third motor 83 fixedly connected in the main block 21; the driving rod 82 is rotatably connected in the main block 21, the driving rod 82 includes a first rod 821 and a second rod 822, the first rod 821 is provided with two, the cross section of the second rod 822 is u-shaped, two ends of the two first rods 821 are respectively provided at two ends of the second rod 822, one ends of the two first rods 821, which are far away from each other, are rotatably connected to the main block 21, and one end of one of the first rods 821, which is far away from the second rod 822, is connected to an output shaft of the third motor 83. The second rod 822 is hinged with an adjusting rod 81, and one end of the adjusting rod 81 far away from the second rod 822 is hinged with the fixed block 6.

Referring to fig. 2 and 4, a filter plate 22 is arranged in the main block 21, filter holes are formed on the filter plate 22, the filter plate 22 can slide into the placing groove through a second sliding groove, one end of the filter plate 22 is clamped with a second clamping groove on the fixing block 6, and the other end of the filter plate 22 can slide in the sliding groove; the filter 22 is provided with two, and the aperture of the filtration pore on two filter 22 is different, and the filter 22 that filters the big aperture of pore is located the one end that the pump body 1 was kept away from to main piece 21.

The fixed block 6 is provided with a fourth sliding groove, the fixed block 6 is provided with a limiting mechanism 7, the limiting mechanism 7 comprises a limiting block 71 connected in the fourth sliding groove in a sliding manner, and the filter plate 22 is provided with a limiting groove clamped with the limiting block 71. The fixed block 6 is provided with a second adjusting component 72, the second adjusting component 72 comprises a second motor 722 fixedly connected to the fixed block 6, an output shaft of the second motor 722 is in keyed connection with a gear 723, and the limiting block 71 is fixedly connected with a rack 721 meshed with the gear 723.

Referring to fig. 1 and 2, a fixing mechanism 3 is arranged on the main block 21, the fixing mechanism 3 includes a connecting plate 31 fixedly connected to the main block 21, one side of the connecting plate 31 facing the main block 21 is fixedly connected with two clamping blocks 32, the two clamping blocks 32 are respectively located at two sides of the main block 21, and reinforcing grooves are respectively formed in the two clamping blocks 32; the mounting block 12 is provided with a first engaging groove engaged with the first engaging block 32. A sealing gasket 33 is fixedly connected to one side of the connecting plate 31 facing the main block 21, and the sealing gasket 33 is positioned between the main block 21 and the clamping block 32.

The mounting block 12 is provided with a cavity communicated with the first clamping groove, the pump body 1 is provided with the reinforcing mechanism 4, the reinforcing mechanism 4 comprises two reinforcing blocks 41 connected in the cavity in a sliding manner, and the two reinforcing blocks 41 can be respectively connected with the reinforcing grooves in the two clamping blocks 32 in a clamping manner. The mounting block 12 is provided with a first adjusting component 42, the first adjusting component 42 comprises a bidirectional screw 422 rotatably connected in the cavity, the thread directions of two ends of the bidirectional screw 422 are opposite, two ends of the bidirectional screw 422 respectively penetrate through two reinforcing blocks 41, and the two reinforcing blocks 41 are respectively in thread connection with two ends of the bidirectional screw 422; a first motor 421 connected to the bidirectional screw 422 is fixedly connected to the mounting block 12.

The motors in this embodiment are all three-phase asynchronous motors.

The implementation principle of the vacuum roots pump capable of filtering impurities in the embodiment of the application is as follows: slide earlier the filter 22 through the second spout and enter into the standing groove to make the one end of filter 22 and the second draw-in groove joint on the fixed block 6.

Then the second motor 722 is started, the output shaft of the second motor 722 drives the gear 723 to rotate, the rack 721 meshed with the gear 723 finds movement, the rack 721 drives the limiting block 71 to move towards the direction close to the filter plate 22, and the limiting block 71 is clamped with the limiting groove on the filter plate 22.

Then the baffle 5 is slipped into the first chute, so that the filter plate 22 can slip into the chute.

Then, the main block 21 enters the air inlet pipe 11 through the communication hole, so that the connecting plate 31 abuts against the rack 721, the clamping block 32 is clamped with the first clamping groove on the rack 721, and at this time, the sealing gasket 33 deforms and abuts against the rack 721.

Finally, the first motor 421 is started, the output shaft of the first motor 421 drives the bidirectional screw 422, and the bidirectional screw 422 drives the two reinforcing blocks 41 to move in opposite directions, so that the two reinforcing blocks 41 are respectively clamped with the reinforcing grooves of the two clamping blocks 32.

The gas entering the pump body 1 through the inlet duct 11 is filtered by the filter plate 22 in the main block 21.

The third motor 83 is started, the output shaft of the third motor 83 drives the first rod 821 to rotate, the first rod 821 drives the second rod 822 to rotate, the second rod 822 drives the adjusting rod 81 to move, the adjusting rod 81 drives the fixing block 6 to slide in the third sliding groove, the filter plate 22 can move, and the filter block placed on the filter plate 22 is blocked.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a but impurity filtering's vacuum roots pump, includes the pump body (1), its characterized in that, be provided with filtering mechanism (2) on the pump body (1), filtering mechanism (2) are including main piece (21) and filter (22), set up on the pump body (1) with the intercommunicating pore of pump body (1) air inlet intercommunication, but main piece (21) joint is in the intercommunicating pore, filter (22) set up on main piece (21).

2. The vacuum roots pump capable of filtering impurities as claimed in claim 1, wherein a fixing mechanism (3) connected with the pump body (1) is arranged on the main block (21), the fixing mechanism (3) comprises a connecting plate (31) and a clamping block (32), the connecting plate (31) is arranged on the main block (21), the connecting plate (31) can abut against the pump body (1), the clamping block (32) is arranged on both ends of the connecting plate (31), and a first clamping groove clamped with the clamping block (32) is arranged on the pump body (1).

3. The vacuum roots pump capable of filtering impurities as claimed in claim 2, wherein a reinforcing mechanism (4) is arranged on the pump body (1), the reinforcing mechanism (4) comprises a reinforcing block (41) and a first adjusting component (42), a cavity communicated with the first clamping groove is formed on the pump body (1), reinforcing grooves are formed on the clamping block (32), two reinforcing blocks (41) are arranged, two reinforcing blocks (41) are slidably connected in the cavity, and the two reinforcing blocks (41) are respectively clamped with the two reinforcing grooves; the first adjusting component (42) is arranged on the pump body (1), and the two reinforcing blocks (41) are connected with the first adjusting component (42).

4. A vacuum roots pump for filtering impurities according to claim 3, characterized in that the first adjusting assembly (42) comprises a first motor (421) and a bidirectional screw (422), the bidirectional screw (422) is rotatably connected in the cavity, and two reinforcing blocks (41) are respectively connected with two ends of the bidirectional screw (422); the first motor (421) is arranged in the pump body (1) and is connected with the bidirectional screw (422).

5. The vacuum roots pump capable of filtering impurities as claimed in claim 1, wherein a placing groove is formed on the main block (21), a first sliding groove communicated with the placing groove is formed on the main block (21), and a baffle plate (5) is connected in the first sliding groove in a sliding manner; the second spout has been seted up on the standing groove lateral wall, filter (22) can slide in the second spout, baffle (5) are contradicted filter (22) and will filter (22) are injectd in the standing groove.

6. The vacuum roots pump capable of filtering impurities as claimed in claim 5, wherein a fixed block (6) is arranged in the main block (21), a second clamping groove clamped with the filter plate (22) is formed on the fixed block (6), a limiting mechanism (7) is arranged on the fixed block (6), the limiting mechanism (7) comprises a limiting block (71) and a second adjusting component (72), the limiting block (71) is connected on the fixed block (6) in a sliding manner, and a limiting groove clamped with the limiting block (71) is formed on the filter plate (22); the second adjusting component (72) is arranged on the fixed block (6) and connected with the limiting block (71).

7. A vacuum roots pump of filterable impurities according to claim 6, wherein the second adjustment assembly (72) comprises a rack (721), a second motor (722) and a gear (723), the rack (721) being provided on the limiting block (71); the second motor (722) is arranged on the fixed block (6), and the gear (723) is connected to an output shaft of the second motor (722) in a key mode and meshed with the rack (721).

8. The vacuum roots pump capable of filtering impurities as claimed in claim 6, wherein the main block (21) is provided with a third sliding groove communicated with the placing groove, the fixing block (6) can slide in the third sliding groove, the main block (21) is provided with a third adjusting component (8) connected with the fixing block (6), the third adjusting component (8) comprises an adjusting rod (81), a driving rod (82) and a third motor (83), the baffle (5) is provided with a sliding groove for sliding the filter plate (22), the third motor (83) is arranged on the main block (21), and the driving rod (82) is rotatably connected with the main block (21) and connected with an output shaft of the third motor (83); one end of the adjusting rod (81) is hinged to the driving rod (82), and the other end of the adjusting rod is hinged to the fixing block (6).