CN213825378U

CN213825378U - Controllable screen structure of flow in centrifugal machine

Info

Publication number: CN213825378U
Application number: CN202021753446.9U
Authority: CN
Inventors: 不公告发明人
Original assignee: Ye Shiying
Current assignee: Xinjiang Henghua Trade Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-07-30
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a controllable screen cloth structure of flow in centrifuge, including last screen cloth and lower screen cloth: the lower screen mesh is arranged at the lower end of the upper screen mesh, an upper fixing ring is fixedly connected to the periphery of the upper screen mesh, an annular slide rail is arranged on the inner side of the lower end of the upper fixing ring, a plurality of outer buffer springs are fixedly wound on the outer side of the inner wall of the annular slide rail, the tail ends of the outer buffer springs are fixedly connected with an outer buffer ring, a plurality of outer balls are embedded on the inner wall of the outer buffer ring in a surrounding manner, a plurality of inner buffer springs are fixedly connected to the inner side of the inner wall of the annular slide rail, inner buffer rings are fixedly connected to the tail ends of the inner buffer springs, and a plurality of inner balls are embedded on the inner wall of each inner buffer ring in a surrounding manner; the aperture of the upper screen and the aperture of the lower screen are crossed, so that the filtering flow of the upper screen is convenient to control, the friction force is reduced through the inner ball and the outer ball, the rotation of the lower screen is convenient, and the stability of the lower screen in rotation is improved through the inner buffer spring and the outer buffer spring.

Description

Controllable screen structure of flow in centrifugal machine

Technical Field

The utility model relates to a centrifuge technical field especially relates to a controllable screen structure of flow in centrifuge.

Background

Centrifuges are machines that utilize centrifugal force to separate components of a mixture of liquid and solid particles or liquid and liquid. The centrifuge is mainly used for separating solid particles from liquid in suspension, or separating two liquids which have different densities and are insoluble with each other in emulsion (for example, cream is separated from milk); it can also be used to remove liquids from wet solids, such as by spin drying clothes in a washing machine; the special overspeed tube separator also can separate gas mixtures with different densities.

Present current centrifuge screen cloth, when screening the material, because the flow of screen cloth is difficult to control, thereby can reduce the practicality of screen cloth, if the screen cloth that equals through two apertures crosses and reduces the filtration aperture of screen cloth, can produce the friction between screen cloth and another screen cloth when the screen cloth rotates, the screen cloth produces wearing and tearing easily after the friction, and the screen cloth can produce the amplitude when rotating, the amplitude produces to stir and can make the rotation of screen cloth unstable, and produce the noise easily, and the screen cloth when rotating through auxiliary device, can make auxiliary device card stopper after using for a long time, also be difficult to learn the contact condition of two screen cloths, misoperation appears easily, for this we have proposed a controllable screen cloth structure of flow in the centrifuge, with the technical problem who solves above-mentioned.

SUMMERY OF THE UTILITY MODEL

The utility model provides a controllable screen cloth structure of flow in centrifuge to the screen cloth flow that the solution above-mentioned background art provided is difficult to control, and the practicality reduces, and produces the friction impaired easily between screen cloth and the screen cloth, and produces amplitude and noise easily when the screen cloth rotates, problem such as unstable inadequately.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a controllable screen cloth structure of flow in centrifugal machine, includes screen cloth and lower screen cloth, lower screen cloth is installed in last screen cloth lower extreme:

the upper screen mesh periphery is fixedly connected with an upper fixing ring, the inner side of the lower end of the upper fixing ring is provided with an annular slide rail, the outer side of the inner wall of the annular slide rail is fixedly surrounded by a plurality of outer buffer springs, the tail end of each outer buffer spring is fixedly connected with an outer buffer ring, the inner wall of each outer buffer ring is embedded with a plurality of outer balls, the inner side of the inner wall of the annular slide rail is fixedly connected with a plurality of inner buffer springs, the tail end of each inner buffer spring is fixedly connected with an inner buffer ring, the inner wall of each inner buffer ring is embedded with a plurality of inner balls, a rotating ring is movably connected inside the annular slide rail and positioned between the outer balls and the inner sides of the inner balls, spring telescopic rods are fixedly connected inside the left end and the right end of the rotating ring, a movable block is fixedly connected with the lower end of each spring telescopic rod, the lower end of the movable block is connected with an anode connecting terminal, and the lower screen mesh periphery is fixedly connected with a lower fixing ring, the equal fixedly connected with movable rod in top at both ends about the lower fixed ring, just the movable rod upper end runs through to in the pivoted ring, the inside division of movable rod has movable chamber, just the inside bottom of movable chamber has met negative terminal, negative terminal with positive terminal one end homogeneous phase has connect the electric wire, the equal fixedly connected with bracing piece in lower fixed ring lower extreme left and right sides, and two fixedly connected with connecting rod between the bracing piece lower extreme inboard, connecting rod lower extreme fixedly connected with rotates the motor, just rotate motor lower extreme fixedly connected with electronic hydraulic ram.

The upper screen and the lower screen are both in a circular shape, and the apertures of the upper screen and the lower screen are equal.

Outer ball and outer buffering ring swing joint, just outer ball is inlayed in the rolling ring outer wall, interior ball and interior buffering ring swing joint, just interior ball is inlayed in the rolling ring inner wall, interior ball and outer ball all are in rolling ring swing joint.

The outer ball evenly distributed is in outer buffering ring inner wall, just interior ball evenly distributed is in interior buffering ring inner wall.

The movable rod moves up and down in the rotating ring through extruding the spring telescopic rod, the movable block is movably connected in the movable cavity, the positive wiring terminal contacts with the negative wiring terminal through the movable block, and one of the positive wiring terminal and the negative wiring terminal is connected with a signal lamp.

Compared with the prior art, the utility model discloses the beneficial effect who realizes:

by arranging the upper screen and the lower screen, the lower screen can rotate under the driving of the rotating motor, and then the lower screen is contacted with the upper screen through the electric hydraulic ram, so that the aperture between the upper screen and the lower screen is crossed, the filtering aperture of the upper screen can be reduced, the flow of materials can be conveniently controlled, the practicability is improved, the lower screen can be prevented from being damaged due to friction with the lower screen when rotating, the rotation of the lower screen is assisted by the inner ball and the outer ball, the friction force generated when the inner ball and the outer ball are contacted with the rotating ring can be reduced, the lower screen can be rotated more easily, the blocking of the lower screen during rotation can be avoided through the elasticity of the inner buffer spring and the outer buffer spring, the noise generated when the rotating ring rotates can be reduced, and the contact or separation condition of the upper screen and the lower screen can be known in time through the signal lamp, so as to avoid misoperation.

Drawings

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

FIG. 2 is a schematic view of a partially enlarged structure A of the present invention;

fig. 3 is a schematic view of the overall top view structure of the present invention.

In FIGS. 1-3: go up screen cloth 1, go up solid fixed ring 2, solid fixed ring 3 down, screen cloth 4 down, bracing piece 5, connecting rod 6, rotating electrical machines 7, electronic hydraulic ram 8, outer buffer spring 9, outer buffer ring 10, outer ball 11, swivel ring 12, interior buffer spring 13, interior ball 14, spring telescopic link 15, movable rod 16, movable block 17, negative pole binding post 18, electric wire 19, annular slide rail 20, signal lamp 21, activity chamber 22, interior buffer ring 23, anodal binding post 24.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Please refer to fig. 1 to 3:

the utility model provides a controllable screen cloth structure of flow in centrifuge, including screen cloth 1 and lower screen cloth 4 down, screen cloth 4 installs in 1 lower extreme of last screen cloth down, carries out the detailed description below to each part of the controllable screen cloth structure of flow in a centrifuge:

the outer periphery of the upper screen mesh 1 is fixedly connected with an upper fixing ring 2, the inner side of the lower end of the upper fixing ring 2 is provided with an annular slide rail 20, the outer side of the inner wall of the annular slide rail 20 is fixedly surrounded by a plurality of outer buffer springs 9, the tail ends of the outer buffer springs 9 are fixedly connected with an outer buffer ring 10, the inner wall of the outer buffer ring 10 is embedded by surrounding a plurality of outer balls 11, the inner side of the inner wall of the annular slide rail 20 is fixedly connected with a plurality of inner buffer springs 13, the tail ends of the inner buffer springs 13 are fixedly connected with an inner buffer ring 23, the inner wall of the inner buffer ring 23 is embedded by surrounding a plurality of inner balls 14, a rotating ring 12 is movably connected inside the annular slide rail 20 and positioned between the inner sides of the outer balls 11 and the inner balls 14, spring telescopic rods 15 are fixedly connected inside the left and right ends of the rotating ring 12, and a movable block 17 is fixedly connected with the lower end of the spring telescopic rod 15, the lower end of the movable block 17 is connected with an anode connecting terminal 24, the periphery of the lower screen mesh 4 is fixedly connected with a lower fixing ring 3, the upper parts of the left end and the right end of the lower fixing ring 3 are fixedly connected with a movable rod 16, the upper end of the movable rod 16 penetrates into the rotating ring 12, a movable cavity 22 is formed in the movable rod 16, the bottom end in the movable cavity 22 is connected with a cathode connecting terminal 18, one end of the cathode connecting terminal 18 and one end of the anode connecting terminal 24 are both connected with an electric wire 19, the left side and the right side of the lower end of the lower fixing ring 3 are both fixedly connected with supporting rods 5, a connecting rod 6 is fixedly connected between the inner sides of the lower ends of the supporting rods 5, the lower end of the connecting rod 6 is fixedly connected with a rotating motor 7, the lower end of the rotating motor 7 is fixedly connected with an electric hydraulic jack 8, and the upper screen mesh 1 and the lower screen mesh 4 are both in a round shape, just go up screen cloth 1 and screen cloth 4's aperture equals down, outer ball 11 and outer buffering ring 10 swing joint, just outer ball 11 inlays in swivel becket 12 outer wall, interior ball 14 and interior buffering ring 23 swing joint, just interior ball 14 inlays in swivel becket 12 inner wall, interior ball 14 and outer ball 11 all in swivel becket 12 swing joint, outer ball 11 evenly distributed is in outer buffering ring 10 inner wall, just interior ball 14 evenly distributed is in interior buffering ring 23 inner wall. The movable rod 16 moves up and down in the rotating ring 12 by extruding the spring telescopic rod 15, the movable block 17 is movably connected in the movable cavity 22, the positive terminal 24 is in contact with the negative terminal 18 through the movable block 17, and the tail end of one of the wires 19 is connected with the signal lamp 21;

specifically, the rotating motor 7 is connected with an external power supply, the rotating motor 7 is powered on, the rotating motor 7 drives the connecting rod 6 to rotate when rotating, the supporting rod 5 is fixed on the connecting rod 6, so the supporting rod 5 can also rotate along with the connecting rod, the supporting rod 5 drives the lower screen 4 to rotate, the lower screen 4 is fixed with the movable rod 16, the movable rod 16 penetrates through the rotating ring 12, and the rotating ring 12 is movably connected with the annular slide rail 20, so the lower screen 4 can drive the rotating ring 12 to rotate in the annular slide rail 20 through the movable rod 16 when rotating, the rotating ring 12 is in contact with and movably connected with the inner ball 14 and the outer ball 11, the inner ball 14 and the outer ball 11 play an auxiliary role in rotating the rotating ring 12, the friction force applied when the rotating ring 12 rotates is reduced, and the blocking of the lower screen 4 when rotating can be avoided, the service life of the rotating ring 12 is prolonged, the rotating ring 12 can generate amplitude when rotating, the fluctuation generated by the amplitude can respectively extrude the outer buffer spring 9 and the inner buffer spring 13 through the outer buffer ring 10 and the inner buffer ring 23, the noise generated after the rotating ring 12 is contacted with the outer buffer ring 10 and the inner buffer ring 23 is reduced due to the elasticity of the inner buffer spring 13 and the outer buffer spring 9, and the stability of the rotating ring 12 when rotating can be improved due to the uniform distribution of the inner buffer spring 13 and the outer buffer spring 9;

further, after the rotation position of the lower screen 4 is adjusted, the apertures of the upper screen 1 and the lower screen 4 are crossed, the electric hydraulic ram 8 drives the connecting rod 6 and the supporting rod 5 to ascend, the lower screen 4 ascends through the ascending of the connecting rod 6 and the supporting rod 5, because the movable rod 16 is movably connected with the rotating ring 12, the movable rod 16 is retracted into the rotating ring 12 when the lower screen 4 is lifted, because the movable rod 16 is internally provided with the movable cavity 22, and the movable block 17 is movably connected in the movable cavity 22, therefore, when the movable rod 16 contracts, the movable block 17 can contract towards the movable cavity 22, after the movable block 17 contracts, the spring telescopic rod 15 can be driven to stretch, the spring telescopic rod 15 consists of a telescopic shaft and a spring, because the spring telescopic rod 15 is fixed in the rotating ring 12, the spring telescopic rod 15 can prevent the movable rod 16 from separating from the rotating ring 12;

further, when the positive terminal 24 of the movable block 17 contacts the negative terminal 18 of the movable chamber 22, the electro-hydraulic ram 8 receives an electrical signal and stops working, the electrical wire 19 of the positive terminal 24 contacts an external power source, the positive terminal 24 supplies power to the signal lamp 21 through the negative terminal 18 after being electrified, so that the signal lamp 21 lights up, the signal lamp 21 is installed outside the centrifuge, so that whether the upper screen mesh 1 and the lower screen mesh 4 contact each other or not can be known in time by watching the signal lamp 21, the lower screen mesh 4 is prevented from contacting and rubbing the upper screen mesh 1 when rotating, mutual abrasion of the upper screen mesh 1 and the lower screen mesh 4 is avoided, operation errors are avoided, when the lower end surface of the upper screen mesh 1 contacts the upper end surface of the lower screen mesh 4, the filtering aperture of the upper screen mesh 1 is reduced after the apertures of the upper screen mesh 1 and the lower screen mesh 4 cross each other because the apertures of the upper screen mesh 1 and the lower screen mesh 4 are equal, thereby the flow of control material on last screen cloth 1 that can be convenient, the simple operation. The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a controllable screen cloth structure of flow in centrifugal machine, includes screen cloth (1) and lower screen cloth (4), install in upper screen cloth (1) lower extreme, its characterized in that down screen cloth (4):

the inner screen is characterized in that an upper fixing ring (2) is fixedly connected to the periphery of the upper screen (1), an annular slide rail (20) is arranged on the inner side of the lower end of the upper fixing ring (2), a plurality of outer buffer springs (9) are fixedly arranged on the outer side of the inner wall of the annular slide rail (20) in a surrounding manner, an outer buffer ring (10) is fixedly connected to the tail ends of the outer buffer springs (9), a plurality of outer balls (11) are inlaid in the inner wall of the outer buffer ring (10) in a surrounding manner, a plurality of inner buffer springs (13) are fixedly connected to the inner side of the inner wall of the annular slide rail (20), an inner buffer ring (23) is fixedly connected to the tail ends of the inner buffer springs (13), a plurality of inner balls (14) are inlaid in the inner wall of the inner buffer ring (23), a rotating ring (12) is movably connected between the outer balls (11) and the inner ball (14) in a surrounding manner, spring telescopic rods (15) are fixedly connected to the inner portions of the left end and the right end of the rotating ring (12), and the lower end of the spring telescopic rod (15) is fixedly connected with a movable block (17), the lower end of the movable block (17) is connected with a positive terminal (24), the periphery of the lower screen (4) is fixedly connected with a lower fixing ring (3), the upper parts of the left end and the right end of the lower fixing ring (3) are fixedly connected with a movable rod (16), the upper end of the movable rod (16) penetrates into the rotating ring (12), a movable cavity (22) is formed inside the movable rod (16), the bottom end inside the movable cavity (22) is connected with a negative terminal (18), the negative terminal (18) and one end of the positive terminal (24) are both connected with an electric wire (19), the left side and the right side of the lower end of the lower fixing ring (3) are both fixedly connected with supporting rods (5), and two connecting rods (6) are fixedly connected between the inner sides of the lower ends of the supporting rods (5), the lower end of the connecting rod (6) is fixedly connected with a rotating motor (7), and the lower end of the rotating motor (7) is fixedly connected with an electric hydraulic ram (8).

2. A flow-controlled screen construction in a centrifuge as claimed in claim 1, wherein: go up screen cloth (1) and lower screen cloth (4) and all be "circular" form, just go up screen cloth (1) and the aperture of lower screen cloth (4) equals.

3. A flow-controlled screen construction in a centrifuge as claimed in claim 1, wherein: outer ball (11) and outer buffering ring (10) swing joint, just outer ball (11) are inlayed in swivel becket (12) outer wall, interior ball (14) and interior buffering ring (23) swing joint, just interior ball (14) are inlayed in swivel becket (12) inner wall, interior ball (14) and outer ball (11) all in swivel becket (12) swing joint.

4. A flow-controlled screen construction in a centrifuge as claimed in claim 1, wherein: the outer balls (11) are uniformly distributed on the inner wall of the outer buffer ring (10), and the inner balls (14) are uniformly distributed on the inner wall of the inner buffer ring (23).

5. A flow-controlled screen construction in a centrifuge as claimed in claim 1, wherein: the activity pole (16) are gone on about the activity through extrusion spring telescopic link (15) in swivel becket (12), just activity block (17) swing joint is in activity chamber (22), anodal binding post (24) are through activity block (17) and negative pole binding post (18) contact, and one of them electric wire (19) end meet signal lamp (21).