CN219664421U

CN219664421U - Single-shaft elliptical vibrating screen with long service life

Info

Publication number: CN219664421U
Application number: CN202321305439.6U
Authority: CN
Inventors: 钱鹏; 刘子君; 李强; 李金�
Original assignee: Henan Taihang Heavy Machinery Co ltd
Current assignee: Henan Taihang Heavy Machinery Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-09-12
Anticipated expiration: 2033-05-26

Abstract

The utility model discloses a single-shaft elliptical vibrating screen with long service life, which comprises a bottom plate, wherein a vibrating frame is arranged at the top of the bottom plate, a vibrating screen plate is arranged on the vibrating frame, the vibrating screen plate is arranged in a double-layer parallel vibrating screen structure, the bottom plate and the vibrating screen plate are arranged at the same inclination angle, spring systems are arranged at two opposite ends of the bottom plate, a supporting seat is arranged at the bottom of the spring systems, each spring system consists of an upper connecting plate, a lower supporting plate, a spring column and a vibrating spring, the bottom of the bottom plate is provided with the upper connecting plate, a lower supporting plate is arranged at the top of the supporting seat, the spring column is arranged between the upper connecting plate and the lower supporting plate, the vibrating spring is sleeved on the spring column, and an adjusting mechanism is arranged on the spring column. According to the utility model, a series of structures are arranged, so that the adjustment of the vibration space of the vibration spring is realized, the service performance and the service life of the vibration spring are ensured, the spring column limits the vibration spring, the loss of the vibration spring can be reduced, and the vibration spring is convenient to assemble, disassemble, clean, maintain and replace.

Description

Single-shaft elliptical vibrating screen with long service life

Technical Field

The utility model relates to the technical field of elliptical vibrating screens, in particular to a single-shaft elliptical vibrating screen with long service life.

Background

The vibrating screen works by utilizing reciprocating rotary vibration generated by vibrator excitation. The upper rotary weight of the vibrator makes the screen surface produce plane rotary vibration, the lower rotary weight makes the screen surface produce conical surface rotary vibration, and the combined action effect of the upper rotary weight and the lower rotary weight makes the screen surface produce complex rotary vibration, and the vibration track is a complex space curve, and the curve is projected into a circular shape on the horizontal plane and an elliptic shape on the vertical plane. The vibration excitation force of the upper and lower rotary weights is adjusted to change the amplitude, and the space phase angle of the upper and lower weights is adjusted to change the curve shape of the movement track of the screen surface and the movement track of the material on the screen surface, so that the material is screened, the influence on the bottom bracket of the vibrating screen when the vibrating screen vibrates is reduced, and a damping device is generally arranged on the bottom bracket.

At present, a vibration space is provided by a vibration spring, the vibration spring is fixedly arranged between a bottom plate and a supporting seat of the vibration sieve, but the vibration spring is subjected to vibration force of the vibration sieve for a long time, the spring loss is fast, the vibration performance of the spring to the vibration sieve is reduced, the service life of the spring is short, and the disassembly and the assembly are inconvenient.

Disclosure of Invention

The utility model aims to provide a single-shaft elliptical vibrating screen with long service life, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a long service life's unipolar elliptical vibrating screen, includes the bottom plate, the top of bottom plate is equipped with the vibration frame, be equipped with vibrating screen on the vibration frame, vibrating screen adopts double-deck parallel vibrating screen structure to set up, bottom plate and vibrating screen set up with inclination, the both ends that the bottom plate bottom is relative all are equipped with spring system, spring system's bottom is equipped with the supporting seat, spring system comprises upper connecting plate, lower backup pad, spring post and vibrating spring, the bottom of bottom plate is equipped with the upper connecting plate, the top of supporting seat is equipped with the lower backup pad, be equipped with the spring post between upper connecting plate and the lower backup pad, the cover is equipped with vibrating spring on the spring post, be equipped with adjustment mechanism on the spring post.

Preferably, the spring columns and the vibrating springs on the spring system are arranged in a one-to-one correspondence mode, and the bottoms of the spring columns are fixedly installed with the lower supporting plate through fixing bolts and nuts.

Preferably, the adjusting mechanism comprises an adjusting plate, an adjusting screw, a thread bush and a hand wheel, the top of the lower supporting plate is provided with the adjusting screw, the thread bush is arranged on the adjusting screw, the adjusting plate is arranged on the thread bush, through holes are formed in the two opposite ends of the lower supporting plate and the adjusting plate, the adjusting plate is slidably arranged on the spring column through the through holes, and the hand wheel is arranged at the top of the adjusting screw.

Preferably, the adjusting plate and the lower supporting plate are horizontally arranged, and the upper connecting plate and the bottom plate are horizontally inclined at the same angle.

Preferably, the spring column comprises a lower column body, an upper column body and a disassembly plate, wherein the upper end of the lower column body is provided with a connecting hole, the bottom of the upper connecting plate is provided with an upper column body, the lower end of the upper column body is arranged in the connecting hole of the lower column body through a limiting mechanism, the bottom of the lower column body is provided with the disassembly plate, and the disassembly plate is fixed with a fixing bolt through the disassembly hole.

Preferably, the limit mechanism comprises a limit groove and a limit bolt, one side of the upper cylinder is provided with the limit groove, the upper end of one side of the lower cylinder is provided with the limit bolt through a screw hole, and one end of the limit bolt is arranged in the limit groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. this long service life's unipolar elliptical vibrating screen for vibration screening operation sets up spring system on the bottom plate through setting up vibration frame and vibrating screen plate on the bottom plate, provides vibration space for the vibration of shale shaker, and spring system on this shale shaker has set up the regulating plate, through the cooperation of adjusting screw and thread bush, goes up and down to remove the regulation to the regulating plate on the spring system, realizes the regulation in vibration spring vibration space on this shale shaker in the spring system, guarantees vibrating spring's performance and life-span on the shale shaker.

2. This long service life's unipolar elliptical vibrating screen, through setting up the spring post between upper junction plate and lower backup pad, vibrating spring cover is established on the spring post, and the spring post is spacing to vibrating spring, can reduce vibrating spring's loss, and demountable installation between lower cylinder and regulating plate, the lower backup pad, make things convenient for vibrating spring's dismouting clearance, maintenance and change in the spring system on the vibrating screen.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a spring system according to the present utility model;

FIG. 3 is a schematic view of a spring post according to the present utility model.

In the figure: 1. a bottom plate; 2. a vibration frame; 3. vibrating the screen plate; 4. a spring system; 41. an upper connecting plate; 42. a lower support plate; 43. a spring post; 431. a lower column; 432. an upper column; 433. disassembling the plate; 434. a connection hole; 435. a limit groove; 436. a limit bolt; 44. a vibration spring; 45. an adjusting plate; 451. adjusting a screw; 452. a thread sleeve; 453. a hand wheel; 46. a fixing bolt; 5. and a supporting seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

As shown in fig. 1 to 3, the uniaxial elliptic vibrating screen with long service life of the embodiment comprises a bottom plate 1, a vibrating frame 2 is arranged at the top of the bottom plate 1, a vibrating screen plate 3 is arranged on the vibrating frame 2, the vibrating screen plate 3 is arranged in a double-layer parallel vibrating screen structure, the bottom plate 1 and the vibrating screen plate 3 are arranged at the same inclination angle, spring systems 4 are arranged at two opposite ends of the bottom plate 1, a supporting seat 5 is arranged at the bottom of the spring systems 4, each spring system 4 consists of an upper connecting plate 41, a lower supporting plate 42, a spring column 43 and a vibrating spring 44, an upper connecting plate 42 is arranged at the top of the supporting seat 5, the spring column 43 is arranged between the upper connecting plate 41 and the lower supporting plate 42, a vibrating spring 44 is sleeved on the spring column 43, an adjusting mechanism is arranged on the spring column 43, the adjustment of the vibrating spring 43 in the vibrating screen is realized, the use performance and service life of the vibrating spring 43 on the vibrating screen are ensured, the loss of the vibrating spring 43 can be reduced, and the vibrating spring 43 in the vibrating screen 4 is convenient to disassemble, maintain and replace the vibrating spring 43.

Specifically, two spring posts 43 and two vibration springs 44 are provided on the spring system 4, respectively, and the bottoms of the spring posts 43 are fixedly mounted on the lower support plate 42 by fixing bolts 46 and nuts.

Further, adjustment mechanism includes regulating plate 45, adjusting screw 451, thread bush 452 and hand wheel 453, the top of lower backup pad 42 is equipped with adjusting screw 451, the screw thread is equipped with thread bush 452 on the adjusting screw 451, be equipped with regulating plate 45 on the thread bush 452, the opposite both ends of lower backup pad 42 and regulating plate 45 all are equipped with the through-hole, regulating plate 45 is located on the spring post 43 through the through-hole slip, the top of adjusting screw 451 is equipped with hand wheel 453, to the regulating plate 45 lift on the spring system 4 remove the regulation, realize the regulation in this vibrating spring 43 vibration space on the shale shaker, guarantee vibrating spring 43's performance and life-span on the shale shaker.

Further, the adjusting plate 45 and the lower supporting plate 42 are horizontally arranged, the upper connecting plate 41 and the bottom plate 1 are horizontally inclined at the same angle, and the spring system 4 is supported stably.

Further, the spring post 43 includes a lower post 431, an upper post 432 and a dismounting plate 433, the upper end of the lower post 431 is provided with a connecting hole 434, the bottom of the upper connecting plate 41 is provided with the upper post 432, the lower end of the upper post 432 is arranged in the connecting hole 434 of the lower post 431 through a limiting mechanism, the bottom of the lower post 431 is provided with the dismounting plate 433, the dismounting plate 433 is fixed with the fixing bolt 46 through the dismounting hole, and the spring post 43 composed of the lower post 431 and the upper post 432 is convenient to dismount.

Still further, the limiting mechanism comprises a limiting groove 435 and a limiting bolt 436, wherein the limiting groove 435 is arranged on one side of the upper column 432, the limiting bolt 436 is arranged at the upper end of one side of the lower column 431 through a screw hole, one end of the limiting bolt 436 is arranged in the limiting groove 435, the limiting bolt 436 on the lower column 431 is screwed, one end of the limiting bolt 436 is inserted into the limiting groove 435 of the upper column 432, and the upper column 432 and the lower column 431 which form the spring column 43 are limited.

The application method of the embodiment is as follows: the vibrating spring 44 is sleeved on the upper column 432 at the bottom of the upper connecting plate 41, then the lower column 431 is inserted into the limit groove 435 of the upper column 432 through a through hole, the lower end of the upper column 432 is inserted into the connecting hole 434 of the lower column 431, the vibrating spring 44 is sleeved on the vibrating spring 44 by being installed on the fixing bolt 46 through a nut screw thread, the disassembling plate 433 and the lower supporting plate 42 are fixed, the vibrating spring 44 is sleeved on the spring column 43 between the upper connecting plate 41 and the lower supporting plate 42, the vibrating spring 44 is installed in the spring system 4 of the vibrating screen, the limit bolt 436 on the lower column 431 is screwed, one end of the limit bolt 436 is inserted into the limit groove 435 of the upper column 432, the upper column 432 and the lower column 431 which form the vibrating column 43 are limited, the vibrating frame 2 and the vibrating screen plate 3 which are arranged on the bottom plate 1 are used for vibrating screening operation, a vibrating space is provided for vibrating the vibrating screen on the bottom plate 1, the vibrating spring column 43 is sleeved on the upper connecting plate 41 and the lower supporting plate 42, the vibrating spring column 43 limits the vibrating spring 44, the loss of the vibrating spring 44 can be reduced, the vibrating screen 45 and the lower supporting plate 431 can be conveniently moved by the adjusting screw 45, and the vibrating screen 45 can be conveniently moved by the adjusting screw thread, and the vibrating screen 4 is arranged in the vibrating screen 4, and the vibrating screen 4 is conveniently used for adjusting the vibrating screen.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a long service life's unipolar elliptical vibrating screen, includes bottom plate (1), its characterized in that: the top of bottom plate (1) is equipped with vibration frame (2), be equipped with vibration sieve (3) on vibration frame (2), vibration sieve (3) adopt double-deck parallel vibration sieve structure to set up, bottom plate (1) and vibration sieve (3) set up with inclination, the both ends that bottom plate (1) bottom is relative all are equipped with spring system (4), the bottom of spring system (4) is equipped with supporting seat (5), spring system (4) are by upper junction plate (41), lower backup pad (42), spring column (43) and vibration spring (44) are constituteed, the bottom of bottom plate (1) is equipped with upper junction plate (41), the top of supporting seat (5) is equipped with lower backup pad (42), be equipped with spring column (43) between upper junction plate (41) and lower backup pad (42), the cover is equipped with vibration spring (44) on spring column (43), be equipped with adjustment mechanism on spring column (43).

2. A single-axis elliptical vibrating screen with long service life according to claim 1, characterized in that: the spring system is characterized in that two spring columns (43) and two vibrating springs (44) on the spring system (4) are uniformly and correspondingly arranged, and the bottoms of the spring columns (43) are fixedly arranged with the lower supporting plate (42) through fixing bolts (46) and nuts.

3. A single-axis elliptical vibrating screen with long service life according to claim 2, characterized in that: the adjusting mechanism comprises an adjusting plate (45), an adjusting screw (451), a thread bush (452) and a hand wheel (453), wherein the adjusting screw (451) is arranged at the top of the lower supporting plate (42), the thread bush (452) is arranged on the adjusting screw (451), the adjusting plate (45) is arranged on the thread bush (452), through holes are formed in the opposite ends of the lower supporting plate (42) and the adjusting plate (45), the adjusting plate (45) is slidably arranged on the spring column (43) through the through holes, and the hand wheel (453) is arranged at the top of the adjusting screw (451).

4. A single-axis elliptical vibrating screen with long service life according to claim 3, characterized in that: the adjusting plate (45) and the lower supporting plate (42) are horizontally arranged, and the upper connecting plate (41) and the bottom plate (1) are horizontally inclined at the same angle.

5. A single-axis elliptical vibrating screen with long service life according to claim 1, characterized in that: the spring column (43) comprises a lower column body (431), an upper column body (432) and a disassembly plate (433), wherein a connecting hole (434) is formed in the upper end of the lower column body (431), the upper column body (432) is formed in the bottom of the upper connecting plate (41), the lower end of the upper column body (432) is arranged in the connecting hole (434) of the lower column body (431) through a limiting mechanism, the disassembly plate (433) is arranged at the bottom of the lower column body (431), and the disassembly plate (433) is fixed with the fixing bolt (46) through the disassembly hole.

6. A single-axis elliptical vibrating screen with long service life according to claim 5, characterized in that: the limiting mechanism comprises a limiting groove (435) and a limiting bolt (436), wherein the limiting groove (435) is formed in one side of the upper column (432), the limiting bolt (436) is arranged at the upper end of one side of the lower column (431) through a screw hole, and one end of the limiting bolt (436) is arranged in the limiting groove (435).