CN219377922U

CN219377922U - Screen plate convenient to dismantle and change

Info

Publication number: CN219377922U
Application number: CN202320665488.4U
Authority: CN
Inventors: 梁智琳; 张斌; 闫琪; 刘强
Original assignee: Shanxi Zhongge Mining Machinery Co ltd
Current assignee: Shanxi Zhongge Mining Machinery Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-07-21
Anticipated expiration: 2033-03-30

Abstract

The utility model discloses a screen plate convenient to detach and replace, and relates to the technical field of screen plates. When the sieve plate is replaced, the installation mechanism is pulled out from the sieving box, so that the installation mechanism is opened to two sides, and the sieve plate is taken out from the middle.

Description

Screen plate convenient to dismantle and change

Technical Field

The utility model relates to the field of sieve plates, in particular to a sieve plate convenient to detach and replace.

Background

The sieve plate is also called a porous plate, has good wear resistance, long service life and good moisture resistance and wear resistance, and is suitable for the mechanical industries of ore washing, screening, classification, deslagging, desliming, dehydration and the like; when coal is mined, the coal needs to be screened by a screening machine.

The screen plate on the current screening machine has the following disadvantages: 1. the screening machine and the screen plate are generally integrated, the screen plate is welded on the screening machine when leaving a factory, and when the screen plate is damaged, the screen plate can be replaced only when the screen plate is required to be maintained at a maintenance site, so that the cost is increased, and the working efficiency is delayed; 2. when the screening machine is operated, the screening machine can generate messy shaking, so that the screening machine is directly touched, and the shaking generated by touching can increase the force of coal striking the screen plate, thereby reducing the service life of the screen plate.

Disclosure of Invention

The utility model aims to solve the defects that the service life of a screen plate is influenced by the inconvenience of replacement of the screen plate and the messy shaking of a screening machine in the prior art, and provides the screen plate convenient to detach and replace.

In order to solve the problem that the service life of the sieve plate is influenced by the disorder shaking of the sieving machine caused by the inconvenient replacement of the sieve plate in the prior art, the utility model adopts the following technical scheme:

the screen plate convenient to detach and replace comprises a bottom plate, two pairs of supporting devices are fixedly arranged on the upper surface of the bottom plate, a screening box is arranged on each supporting device, a pair of limiting frames are fixedly arranged on the inner wall of each screening box, limiting grooves are formed in the inner sides of the limiting frames, a mounting mechanism is arranged on each limiting frame in a sliding mode, and a screen plate is arranged on each mounting mechanism;

the installation mechanism comprises a fixing rod, rotating rods are rotatably arranged at two ends of the fixing rod, the rotating rods are slidably connected with the limiting grooves, connecting rods are arranged at one ends of the rotating rods, the inner sides of the rotating rods are provided with installation grooves, and the inner walls of the installation grooves are attached to the sieve plates.

Preferably, fixed surface is equipped with the fixed block under the dead lever, it is equipped with two-way worm to rotate on the fixed block, the dead lever both ends are rotated and are equipped with the rotation axis, all be fixed on the rotation axis and be equipped with the worm wheel, the worm wheel all meshes with two-way worm mutually, two-way worm one end is fixed and is equipped with rotatory handle, rotary rod one end is all fixed and is equipped with first connecting block, first connecting block and rotation axis fixed connection.

Preferably, the second connecting block is all fixed to the rotary rod other end, it is equipped with the rotor plate to rotate on the second connecting block, the rotor plate is fixed to be equipped with the circular pole in both sides about, the travel groove has all been seted up at the connecting rod both ends, circular pole all with travel groove sliding connection.

Preferably, a pair of first installation blocks are fixedly arranged at one end of the screening box, second installation blocks are fixedly arranged at the outer sides of the rotating rods, inserting rods are inserted into the first installation blocks and the second installation blocks, and the second installation blocks are located above the first installation blocks.

Preferably, the movable groove is in a cross shape, and the upper side and the lower side of the movable groove are attached to the outer wall of the circular rod.

Preferably, one end of the rotating shaft passes through the fixing rod, and the first connecting block is positioned in the fixing rod.

Preferably, the fixing rod and the connecting rod are the same in shape, and the length of the rotating rod is greater than that of the limiting groove.

Preferably, the supporting device comprises a damping and a connecting frame, the lower end of the damping is fixedly connected with the upper surface of the bottom plate, the upper end of the damping is fixedly connected with the lower end of the connecting frame, the upper end of the connecting frame is fixedly connected with the screening box, and a spring is sleeved on the damping.

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

1. in the utility model, when the sieve plate is replaced, the installation mechanism is pulled out from the sieving box, so that the installation mechanism is opened to two sides, and the sieve plate is taken out from the middle, thereby being convenient to replace and greatly reducing maintenance time compared with the integration of the sieve plate and the sieving box;

2. in the utility model, the vibration of the screening box is kept in the same direction through the damping and the spring, the vibration frequency is kept unchanged, ores are uniformly contacted on the screening plate, and the service life of the screening plate is prolonged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic diagram of a screen deck structure according to the present utility model;

FIG. 3 is a schematic view of the mounting mechanism of the present utility model in a bottom view;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 3B according to the present utility model;

number in the figure: 1. a bottom plate; 11. a support device; 111. damping; 112. a connecting frame; 113. a spring; 12. a screening box; 13. a limiting frame; 14. a limit groove; 15. a mounting mechanism; 151. a fixed rod; 152. a rotating rod; 153. a mounting groove; 154. a connecting rod; 16. a sieve plate; 2. a fixed block; 21. a bidirectional worm; 22. a rotation shaft; 23. a worm wheel; 24. rotating the handle; 25. a first connection block; 3. a second connection block; 31. a moving groove; 32. a rotating plate; 33. a circular rod; 4. a first mounting block; 41. a second mounting block; 42. and a plunger.

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.

Example 1: the embodiment provides a screen plate convenient to detach and replace, see fig. 1-5, and specifically, the screen plate comprises a bottom plate 1, two pairs of supporting devices 11 are fixedly arranged on the upper surface of the bottom plate 1, a screening box 12 is arranged on the supporting devices 11, a pair of limiting frames 13 are fixedly arranged on the inner wall of the screening box 12, limiting grooves 14 are formed in the inner sides of the limiting frames 13, a mounting mechanism 15 is slidably arranged on the limiting frames 13, a screen plate 16 is arranged on the mounting mechanism 15, when the screen plate 16 is replaced, the mounting mechanism 15 is pulled out from the screening box 12, the mounting mechanism 15 is opened to two sides, and the screen plate 16 is taken out from the middle, compared with the screen plate 16 and the screening box 12, the screen plate is convenient to replace, and the maintenance time is greatly reduced;

the installation mechanism 15 comprises a fixed rod 151, rotating rods 152 are rotatably arranged at two ends of the fixed rod 151, the rotating rods 152 are slidably connected with the limiting grooves 14, connecting rods 154 are arranged at one ends of the rotating rods 152, mounting grooves 153 are formed in the inner sides of the rotating rods 152, the inner walls of the mounting grooves 153 are attached to the screen plate 16, the fixed rods 151 are identical to the connecting rods 154 in shape, the length of the rotating rods 152 is greater than that of the limiting grooves 14, the rotating shafts 22 drive first connecting blocks 25 to rotate, the first connecting blocks 25 drive the rotating rods 152 to rotate, the rotating rods 152 are opened outwards, the screen plate 16 can be taken out, and the fixing rods 151, the rotating rods 152 and the connecting rods 154 form a rectangle to enable the screen plate 16 to be more stable.

In the specific implementation process, as shown in fig. 4 and 5, a fixed block 2 is fixedly arranged on the lower surface of a fixed rod 151, a bidirectional worm 21 is rotatably arranged on the fixed block 2, two ends of the fixed rod 151 are rotatably provided with a rotating shaft 22, worm gears 23 are fixedly arranged on the rotating shaft 22, the worm gears 23 are meshed with the bidirectional worm 21, one end of the bidirectional worm 21 is fixedly provided with a rotating handle 24, one end of a rotating rod 152 is fixedly provided with a first connecting block 25, the first connecting block 25 is fixedly connected with the rotating shaft 22, one end of the rotating shaft 22 penetrates through the fixed rod 151, the first connecting block 25 is positioned in the fixed rod 151, the bidirectional worm 21 is driven to rotate by rotating the rotating handle 24, the bidirectional worm 21 drives the worm gears 23 to rotate, the rotating shaft 22 is driven to rotate by the worm gears 23, and the rotating shaft 22 drives the first connecting block 25 to rotate;

the rotary rod 152 other end is all fixed be equipped with the second connecting block 3, the rotation is equipped with rotor plate 32 on the second connecting block 3, the fixed round pole 33 that is equipped with in both sides about the rotor plate 32, movable groove 31 has all been seted up at connecting rod 154 both ends, round pole 33 all with movable groove 31 sliding connection, movable groove 31 is the cross shape, movable groove 31 upper and lower both sides are laminated with round pole 33 outer wall, when rotor rod 152 opens to both sides, can drive second connecting block 3 and remove, second connecting block 3 drives rotor plate 32 and removes, round pole 33 on the rotor plate 32 slides along movable groove 31 in, make rotor rod 152, connecting rod 154 and dead lever 151 keep an entirety, the installation of being convenient for.

In the specific implementation process, as shown in fig. 1 and 2, one end of the screening box 12 is fixedly provided with a pair of first installation blocks 4, the outer sides of the rotating rods 152 are fixedly provided with second installation blocks 41, inserting rods 42 are inserted into the first installation blocks 4 and the second installation blocks 41, the second installation blocks 41 are located above the first installation blocks 4, the rotating rods 152 are pushed into the screening box 12 along the limiting grooves 14, the inserting rods 42 penetrate through the first installation blocks 4 and the second installation blocks 41, and the installation mechanism 15 is located and fixed on the screening box 12.

Example 2: in embodiment 1, there is also a problem that the screening machine generates a shaky vibration to affect the service life of the screen plate 16, so this embodiment further includes, on the basis of embodiment 1:

in the specific implementation process, as shown in fig. 1, the supporting device 11 comprises a damping 111 and a connecting frame 112, the lower end of the damping 111 is fixedly connected with the upper surface of the bottom plate 1, the upper end of the damping 111 is fixedly connected with the lower end of the connecting frame 112, the upper end of the connecting frame 112 is fixedly connected with the screening box 12, a spring 113 is sleeved on the damping 111, the screening box 12 vibrates in the same direction through the damping 111 and the spring 113, vibration frequency is kept unchanged, ores are uniformly contacted on the screen plate 16, and the service life of the screen plate 16 is prolonged.

Specifically, the working principle and the operation method of the utility model are as follows:

firstly, when the sieve plate 16 is replaced, the installation mechanism 15 is pulled out from the sieving box 12, the bidirectional worm 21 is driven to rotate by rotating the rotating handle 24, the bidirectional worm 21 drives the worm wheel 23 to rotate, the worm wheel 23 drives the rotating shaft 22 to rotate, and the rotating shaft 22 drives the first connecting block 25 to rotate;

step two, the first connecting block 25 drives the rotating rod 152 to rotate, so that the rotating rod 152 is opened outwards, and the screen plate 16 can be taken out;

step three, then when in operation, the vibration of the screening box 12 is kept in the same direction through the damping 111 and the spring 113, and the vibration frequency is kept unchanged, so that ores are uniformly contacted on the screen plate 16, and the service life of the screen plate 16 is prolonged.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a sieve convenient to dismantle and change, includes bottom plate (1), its characterized in that: two pairs of supporting devices (11) are fixedly arranged on the upper surface of the bottom plate (1), a screening box (12) is arranged on the supporting devices (11), a pair of limiting frames (13) are fixedly arranged on the inner wall of the screening box (12), limiting grooves (14) are formed in the inner sides of the limiting frames (13), an installation mechanism (15) is arranged on the limiting frames (13) in a sliding mode, and a screen plate (16) is arranged on the installation mechanism (15);

the installation mechanism (15) comprises a fixed rod (151), rotating rods (152) are rotatably arranged at two ends of the fixed rod (151), the rotating rods (152) are slidably connected with the limiting grooves (14), connecting rods (154) are arranged at one ends of the rotating rods (152), installation grooves (153) are formed in the inner sides of the rotating rods (152), and the inner walls of the installation grooves (153) are attached to the sieve plates (16).

2. The screen panel of claim 1, wherein the screen panel is removable for replacement, and wherein: fixed surface is equipped with fixed block (2) under dead lever (151), it is equipped with two-way worm (21) to rotate on fixed block (2), the rotation of dead lever (151) both ends is equipped with rotation axis (22), all be fixed on rotation axis (22) and be equipped with worm wheel (23), worm wheel (23) all meshes with two-way worm (21), two-way worm (21) one end is fixed and is equipped with rotatory handle (24), rotary rod (152) one end is all fixed and is equipped with first connecting block (25), first connecting block (25) and rotation axis (22) fixed connection.

3. The screen panel of claim 1, wherein the screen panel is removable for replacement, and wherein: the rotary rod (152) other end is all fixed be equipped with second connecting block (3), it is equipped with rotor plate (32) to rotate on second connecting block (3), both sides are fixed about rotor plate (32) are equipped with circular pole (33), movable groove (31) have all been seted up at connecting rod (154) both ends, circular pole (33) all with movable groove (31) sliding connection.

4. The screen panel of claim 1, wherein the screen panel is removable for replacement, and wherein: the screening case (12) one end is fixed to be equipped with a pair of first installation piece (4), the rotary rod (152) outside is all fixed to be equipped with second installation piece (41), insert on first installation piece (4) and second installation piece (41) and be equipped with inserted bar (42), second installation piece (41) are located first installation piece (4) top.

5. A screen panel for easy removal and replacement according to claim 3, wherein: the movable groove (31) is in a cross shape, and the upper side and the lower side of the movable groove (31) are attached to the outer wall of the circular rod (33).

6. A screen panel for easy removal and replacement as defined in claim 2, wherein: one end of the rotating shaft (22) penetrates through the fixing rod (151), and the first connecting block (25) is located in the fixing rod (151).

7. The screen panel of claim 1, wherein the screen panel is removable for replacement, and wherein: the shape of the fixed rod (151) is the same as that of the connecting rod (154), and the length of the rotating rod (152) is longer than that of the limiting groove (14).

8. The screen panel of claim 1, wherein the screen panel is removable for replacement, and wherein: the supporting device (11) comprises a damping (111) and a connecting frame (112), the lower end of the damping (111) is fixedly connected with the upper surface of the bottom plate (1), the upper end of the damping (111) is fixedly connected with the lower end of the connecting frame (112), the upper end of the connecting frame (112) is fixedly connected with the screening box (12), and a spring (113) is sleeved on the damping (111).