Sintering vibrating screen adopting static pressure sliding bearing to support vibration exciter

Abstract

The utility model discloses a sintering vibrating screen adopting a static pressure sliding bearing to support a vibration exciter, relates to the technical field of vibrating screens, aims to solve the problem that in the prior art, when a rolling bearing or a traditional sliding bearing is used for supporting the vibration exciter to rotate, the friction force is large, and the service life is short, and adopts the technical scheme that bases are arranged on two sides below a screen box; vibration mechanisms are arranged on the two sides of the screen box, the vibration mechanisms are connected with vibration exciters, the vibration exciters penetrate through the screen box, static pressure sliding bearings are rotationally connected to the vibration exciters, flange plates are arranged at the ends of the static pressure sliding bearings, the static pressure sliding bearings are fixed to the side edges of the screen box through the flange plates, and oil stations are arranged on the two sides of the screen box. When lubricating oil is injected into the static pressure sliding bearing to work, the vibration exciter rotates to extrude the lubricating oil to enable the lubricating oil to be in a suspension state without being in contact with the sliding bearing, friction loss is reduced, and the service life of the static pressure sliding bearing is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of vibrating screens, in particular to a sintering vibrating screen which adopts a static pressure sliding bearing to support an exciter. Background Art

[0002] Vibrating screen is one of the common screening equipment in the field of screening equipment, and is widely used in food, plastics, abrasives, chemicals, medicine, building materials, grain, carbon, and fertilizers.

[0003] However, the existing vibrating screen has the following deficiencies when used:

[0004] 1. When the vibrator is supported by rolling bearings or traditional sliding bearings, the heat energy generated by friction is consumed greatly, so the electrical energy consumed is large.

[0005] 2. When the vibrator is supported by rolling bearings or traditional sliding bearings, the friction is large, resulting in a shorter life. Utility Model Content

[0006] The technical problem to be solved by the utility model is to overcome the existing defects and provide a sintered vibrating screen which adopts a static pressure sliding bearing to support the exciter, which can effectively solve the problems in the background technology.

[0007] In order to achieve the above-mentioned purpose, the utility model discloses a sintered vibrating screen using a hydrostatic sliding bearing to support an exciter, and the technical solution adopted is that it includes a screen box. There are bases on both sides below the screen box, and a support seat is vertically arranged on the base. There is a spring on the support seat, and the spring is connected to the screen box through a connecting seat. There are vibration mechanisms on both sides of the screen box, and the vibration mechanism is connected to the exciter. The exciter penetrates the screen box, and the exciter is rotatably connected to a hydrostatic sliding bearing. A flange is arranged at the end of the hydrostatic sliding bearing, and the hydrostatic sliding bearing is fixed to the side of the screen box through the flange. There are oil stations on both sides of the screen box, and the oil stations are connected to the hydrostatic sliding bearing. There is a cooling fan on the side of the oil station, and the cooling fan is used to cool the oil station.

[0008] As an optimal technical solution of the utility model, a feed port is provided on the screen box, and a splash-proof cover is detachably connected to the screen box on one side of the feed port to prevent material from splashing out of the equipment during the vibration process. A first screen is detachably connected to the inside of the screen box below the splash-proof cover, and a triangular baffle is provided below the middle of the first screen. Both ends of the triangular baffle are fixed to both sides of the screen box, and a second screen is detachably connected below the triangular baffle. The triangular baffle can protect the transmission shaft fork below it to prevent material from hitting the transmission shaft fork. A discharge port is provided at the opposite end of the feed port of the screen box.

[0009] As an optimal technical solution of the utility model, the vibration mechanism includes a driving motor, which is fixed to the ground through a bracket, a driven fork is provided on one side of the output shaft of the driving motor, and a cross shaft is provided at both ends of the driven fork, the output shaft of the driving motor is connected to the driven fork through the cross shaft, the exciter includes a transmission shaft fork, a eccentric weight is provided on the transmission shaft fork, the eccentric weight is used to generate vibration force during rotation, a mesh protective cover is provided around the eccentric weight, the end of the transmission shaft fork is connected to the cross shaft at the end of the driven fork, so that there is a stable power transmission connection between the fixed driving motor and the vibrating exciter, which is convenient for vibration reduction and noise reduction and deviation compensation.

[0010] As an optimal technical solution of the utility model, the hydrostatic sliding bearing comprises an upper bearing cover and a lower bearing cover, the upper bearing cover and the lower bearing cover are detachably connected together, a movable upper bearing shell is provided in the middle of the upper bearing cover, and a movable lower bearing shell is provided in the middle of the lower bearing cover, labyrinth end seals are provided on the upper bearing cover on both sides of the upper bearing shell and on the lower bearing cover on both sides of the lower bearing shell, a limit block is provided on the transmission shaft fork, and the limit block is located inside the labyrinth end seal to limit the axial displacement generated when the transmission shaft fork rotates, and to prevent leakage of internal oil, an oil filling port is provided on the top of the upper bearing shell and the upper bearing cover, and an oil outlet is provided at the connection between the upper bearing cover and the side of the lower bearing cover, when the hydrostatic sliding bearing is injected with lubricating oil and is working, the rotation of the vibrator will squeeze the lubricating oil so that it is in a suspended state without contact with the hydrostatic sliding bearing, thereby reducing friction loss and increasing the service life of the hydrostatic sliding bearing.

[0011] As a preferred technical solution of the utility model, the oil station includes an oil tank, which is connected to the oil filling port through an oil inlet pipe. An oil pump is arranged between the oil tank and the oil inlet pipe for continuously injecting lubricating oil into the hydrostatic sliding bearing. The oil tank and the oil outlet are connected through an oil return pipe for preventing oil leakage during operation. The lubricating oil will flow into the oil tank from the oil outlet for recycling.

[0012] Compared with the prior art, the utility model has the following beneficial effects: when the utility model works by injecting lubricating oil through the hydrostatic sliding bearing, the rotation of the vibrator will squeeze the lubricating oil so that it is in a suspended state without contact with the sliding bearing, thereby reducing friction loss and increasing the service life of the hydrostatic sliding bearing; the drive motor is connected to the transmission shaft fork through the driven cross shaft, so that there is a stable power transmission connection between the fixed drive motor and the vibrating vibrator, which is convenient for reducing vibration and noise and compensating for deviations. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a left view of the structure of the utility model;

[0015] Figure 3 This is a cross-sectional view of the structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the vibration mechanism of the utility model;

[0017] Figure 5 This is a schematic diagram of the structure of the vibration exciter of the utility model;

[0018] Figure 6 This is an exploded view of the hydrostatic sliding bearing of the utility model;

[0019] Figure 7 This is a schematic diagram of the structure of the static pressure sliding bearing of the utility model;

[0020] Figure 8 It is a cross-sectional view of the static pressure sliding bearing of the utility model.

[0021] In the figure: 1. screen box; 101. discharge port; 102. feed port; 103. base; 104. support seat; 105. spring; 106. connection seat; 107. first screen; 108. second screen; 109. splash cover; 110. triangular baffle; 2. vibration mechanism; 201. drive motor; 202. cross shaft; 203. transmission shaft fork; 2031. limit block; 204. bracket; 205 , driven fork; 3, vibrator; 301, eccentric weight; 302, mesh protective cover; 4, hydrostatic sliding bearing; 401, upper bearing cover; 402, lower bearing cover; 403, upper bearing shell; 404, lower bearing shell; 405, oil filling port; 406, oil outlet; 407, oil channel; 408, labyrinth end seal; 409, flange; 5, oil station; 501, oil inlet pipe; 502, oil return pipe; 6, cooling fan. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0023] like Figures 1 to 8As shown, the utility model discloses a sintering vibrating screen using a static pressure sliding bearing to support an exciter, and the technical solution adopted is that it includes a screen box 1, and bases 103 are provided below both sides of the screen box 1, and support seats 104 are provided on the base 103, and springs 105 are provided on the support seats 104, and the springs 105 are connected to both sides of the screen box 1 through connecting seats 106, and a feed inlet 102 is provided above the screen box 1, and a splash cover 109 is detachably connected to the top of the screen box 1 on the right side of the feed inlet 102, and a splash cover 109 below the splash cover 109 is provided. The first screen 107 is detachably connected to the inside of the screen box 1, a triangular baffle 110 is provided below the middle of the first screen 107, both ends of the triangular baffle 110 are connected to the two sides of the screen box 1, a second screen 108 is detachably connected to the screen box 1 below the triangular baffle 110, a discharge port 101 is provided on the screen box 1 at a position opposite to the feed port 102, a vibration mechanism 2 is provided on both sides of the screen box 1, the vibration mechanism 2 includes a drive motor 201, the drive motor 201 is fixed to the ground through a bracket 204, and the drive motor 201 is fixed to the ground through a bracket 204. The machine 201 is connected to the driven fork 205 through a cross shaft 202, and the other end of the driven fork 205 is connected to the exciter 3. The exciter 3 includes a transmission shaft fork 203, and the transmission shaft fork 203 penetrates to the other end of the screen box 1. The other end of the driven fork 205 is connected to the transmission shaft fork 203 through the cross shaft 202. A deflection weight 301 is provided on the transmission shaft fork 203, and a mesh protective cover 302 is provided on the deflection weight 301. A static pressure sliding bearing 4 is provided between the deflection weight 301 and the screen box 1. The static pressure sliding bearing 4 is provided between the deflection weight 301 and the screen box 1. The movable bearing 4 is detachably connected to both sides of the screen box 1 through a flange 409. The static pressure sliding bearing 4 includes an upper bearing cover 401 and a lower bearing cover 402. The upper bearing cover 401 and the lower bearing cover 402 are fixed together by bolts. A movable upper bearing shell 403 is provided inside the upper bearing cover 401, and a movable lower bearing shell 404 is provided inside the lower bearing cover 402. Labyrinth end seals 408 are provided on the upper bearing cover 401 and the lower bearing cover 402 on both sides of the upper bearing shell 403 and the lower bearing shell 404. Figure 7 Figure 8 As shown, the transmission shaft fork 203 is provided with a limit block 2031, and the limit block 2031 is located inside the labyrinth end seal 408. Figure 6As shown, an oil filling port 405 is provided on the upper bearing cover 401, an oil outlet 406 is provided on the side where the upper bearing cover 401 and the lower bearing cover 402 are connected, there are oil stations 5 on both sides of the screen box 1, the oil station 5 includes an oil tank, an oil inlet pipe 501 connects the hydrostatic sliding bearing 4 and the oil tank through the oil filling port 405, an oil pump is connected in series between the oil inlet pipe 501 and the oil tank, the oil outlet 406 is connected to the oil return pipe 502, the oil return pipe 502 connects the hydrostatic sliding bearing 4 and the oil tank through the oil outlet 406, and a cooling fan 6 is provided on the side of the oil station 5.

[0024] The working principle of the utility model is as follows: when screening work is required, the oil pump is started, and the oil pump injects the lubricating oil in the oil tank into the oil passage 407 inside the static pressure sliding bearing 4 through the oil inlet pipe 501 and the oil filling port 405, and the cooling fan 6 and the driving motor 201 are started, and the driving motor 201 rotates and drives the transmission shaft fork 203 to rotate synchronously through the driven fork 205, and the eccentricity of the eccentric weight 301 on the transmission shaft fork 203 causes the screen box 1 to generate an up and down vibration force, and the auxiliary vibration is performed through the spring 105. At this time, the transmission The rotation of the shaft fork 203 will squeeze the lubricating oil inside the hydrostatic sliding bearing 4, so that the transmission shaft fork 203 and the hydrostatic sliding bearing 4 are in a suspended state without contact, reducing friction loss and increasing the service life of the hydrostatic sliding bearing 4. Since the oil pump continuously replenishes lubricating oil to the inside of the hydrostatic sliding bearing 4, part of the lubricating oil will flow back to the oil tank from the oil outlet 406 through the return oil pipe 502. Since the temperature of the friction lubricating oil will gradually increase, the cooling fan 6 will cool the lubricating oil inside the tank to achieve lubricating oil circulation.

[0025] The circuits and mechanical connections involved in the present utility model are conventional means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, which belong to common knowledge.

[0026] Components not described in detail herein are prior art.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sintered vibrating screen using a hydrostatic sliding bearing to support an exciter, comprising a screen box (1), characterized in that: The screen box (1) has bases (103) on both sides below, and support seats (104) are vertically arranged on the bases (103). The support seats (104) have springs (105), and the springs (105) are connected to the screen box (1) through connecting seats (106). The screen box (1) has vibration mechanisms (2) on both sides, and the vibration mechanisms (2) are connected to a vibration exciter (3). The vibration exciter (3) penetrates the screen box (1), and a static pressure sliding bearing (4) is rotatably connected to the vibration exciter (3). A flange (409) is arranged at the end of the static pressure sliding bearing (4), and the static pressure sliding bearing (4) is fixed to the side of the screen box (1) through the flange (409). The screen box (1) has oil stations (5) on both sides, and the oil stations (5) are connected to the static pressure sliding bearing (4). A cooling fan (6) is arranged on the side of the oil station (5).

2. The sintered vibrating screen using a hydrostatic sliding bearing to support the vibrator according to claim 1, characterized in that: The screen box (1) is provided with a feed inlet (102), a splash cover (109) is detachably connected to the screen box (1) on one side of the feed inlet (102), a first screen (107) is detachably connected to the interior of the screen box (1) below the splash cover (109), a triangular baffle (110) is provided below the middle of the first screen (107), two ends of the triangular baffle (110) are fixed to two sides of the screen box (1), a second screen (108) is detachably connected below the triangular baffle (110), and a discharge port (101) is provided at the end of the screen box (1) opposite to the feed inlet (102).

3. The sintered vibrating screen using a hydrostatic sliding bearing to support the vibrator according to claim 1, characterized in that: The vibration mechanism (2) comprises a drive motor (201), the drive motor (201) being fixed to the ground via a bracket (204), a driven fork (205) being provided on one side of an output shaft of the drive motor (201), a cross shaft (202) being provided at both ends of the driven fork (205), and the output shaft of the drive motor (201) being connected to the driven fork (205) via the cross shaft (202).

4. The sintered vibrating screen using a hydrostatic sliding bearing to support the vibrator according to claim 3, characterized in that: The exciter (3) comprises a transmission shaft fork (203), a weight (301) is provided on the transmission shaft fork (203), a mesh protective cover (302) is provided around the weight (301), and the end of the transmission shaft fork (203) is connected to the cross shaft (202) at the end of the driven fork (205).

5. The sintered vibrating screen using a hydrostatic sliding bearing to support the vibrator according to claim 4, characterized in that: The static pressure sliding bearing (4) comprises an upper bearing cover (401) and a lower bearing cover (402), wherein the upper bearing cover (401) and the lower bearing cover (402) are detachably connected together, wherein a movable upper bearing shell (403) is provided in the middle of the upper bearing cover (401), and a movable lower bearing shell (404) is provided in the middle of the lower bearing cover (402), and the upper bearing shell (401) and the lower bearing shell (404) are provided on both sides of the upper bearing shell (403). The lower bearing cover (402) is provided with a labyrinth end seal (408), the transmission shaft fork (203) is provided with a limit block (2031), the limit block (2031) is located inside the labyrinth end seal (408), the upper bearing shell (403) and the upper bearing cover (401) are provided with an oil filling port (405) at the top, and the upper bearing cover (401) and the lower bearing cover (402) are connected at the side to form an oil outlet (406).

6. The sintered vibrating screen using a hydrostatic sliding bearing to support the vibrator according to claim 5, characterized in that: The oil station (5) comprises an oil tank, the oil tank is connected to the oil filling port (405) via an oil inlet pipe (501), an oil pump is provided between the oil tank and the oil inlet pipe (501), and the oil tank is connected to the oil outlet (406) via an oil return pipe (502).

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