Ore screening device
By installing the front and rear rollers and conveyor belt support screens in the ore screening device, the position of the screen support point is dynamically changed, which solves the problem of severe wear caused by heavy pressure sinking of the screen, extends the service life of the screen and Improved screening efficiency.
Patent Information
- Application Number
- CN202421390737.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-02-21
- Estimated Expiration
- 2034-06-18
AI Technical Summary
In the existing ore screening device, the screen mesh sinks due to the heavy pressure of the ore, resulting in severe wear and short service life of the screen mesh, which requires frequent replacement, affecting production efficiency.
Design an ore screening device, install two sets of rollers in the bottom of the screen frame and under the screen mesh, and support the screen mesh through the conveyor belt and the top rod, dynamically change the position of the screen mesh support point to avoid continuous pressure concentration in Somewhere.
It extends the service life of the screen, improves the screening efficiency, reduces the frequency of screen replacement, and avoids stagnation caused by screen replacement in production.
Smart Images
Figure CN222511108U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ore processing equipment, in particular to an ore screening device. Background Art
[0002] In the process of ore processing, the ore must also be screened to select ore of suitable particle size and screen out impurities in the ore.
[0003] The ore screening device includes a device frame, a slide is installed on the device frame, a screening frame is installed in the slide, and a screen is installed at the bottom of the screening frame, and the screening frame is also connected to the screening motor; a feed hopper is also installed on the device frame, and the feed hopper has an upper feed port and a lower discharge port, and the discharge port is opened on the top of the screening frame.
[0004] During the ore screening process, due to the effect of the ore's gravity, the part of the screen that is under the weight of the ore will sink; in the prior art, the part where the ore acts on the screen the most is the center of the screen, so the center of the screen is easily worn, resulting in a shorter service life of the screen. Frequent replacement of the screen also has the disadvantage of delaying production. Summary of the invention
[0005] The purpose of the utility model is to provide an ore screening device with a prolonged service life of the screen in view of the above-mentioned shortcomings.
[0006] The technical scheme adopted by the utility model is: an ore screening device, including a device frame, a horizontal cross slide is installed on the device frame, a screening frame is installed in the cross slide, and a screen is installed at the bottom of the screening frame, and the screening frame is also connected to a screening motor; a feed hopper is also installed on the device frame, the feed hopper has an upper feed port and a lower discharge port, and the discharge port is opened on the upper part of the screening frame; its characteristic is: two groups of front and rear rollers are installed below the screening frame and below the screen, and the two groups of rollers are respectively a front group of rollers installed in front of the screening frame and a rear group of rollers installed behind the screening frame. Wheel; the front group of rollers includes two front rollers, which are arranged on the left and right sides respectively, and the two front rollers are the front left roller and the front right roller; the rear group of rollers includes two rear rollers, which are arranged on the left and right sides respectively, and the two rear rollers are the rear left roller and the rear right roller, the rollers are connected with roller motors, and conveyor belts are respectively installed on the front left roller and the rear left roller, and this conveyor belt is the left conveyor belt; there is also a conveyor belt installed on the front right roller and the rear right roller, and this conveyor belt is the right conveyor belt; there is also a top rod connected between the left conveyor belt and the right conveyor belt, and the screen is supported on the top rod.
[0007] Furthermore, a sleeve is provided on the outer periphery of the push rod.
[0008] Furthermore, the screening frame also has a front screening frame outlet, and the conveyor belt runs forward.
[0009] Furthermore, there are multiple push rods, and the multiple push rods are evenly distributed on the conveyor belt.
[0010] Furthermore, the push rod and / or sleeve also has a drum-shaped structure that is thick in the middle.
[0011] Furthermore, the roller motor is connected to the control device, and the screening motor is connected to the control device.
[0012] The beneficial effects of the utility model are as follows: such an ore screening device has the advantages of extending the service life of the screen and high screening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a side structural schematic diagram of the utility model.
[0014] Figure 2 yes Figure 1 Schematic diagram of the cross-sectional structure along the A-A direction.
[0015] Figure 3 yes Figure 1 Schematic diagram of the cross-sectional structure along the B-B direction.
[0016] Figure 4 The figure is a schematic diagram of the cross-sectional structure of a sleeve in an embodiment.
[0017] Among them; 1, device frame 11, horizontal slide 2, screening frame 21, screening frame outlet 3, screen 4, screening motor 5, feed hopper 51, feed port 52, discharge port 6, roller 61, front group roller 611, front left roller 612, front right roller 62, rear group roller 621, rear left roller 622, rear right roller 65, roller motor 7, conveyor belt 71, left conveyor belt 72, right conveyor belt 8, top rod 9, sleeve 91, drum structure 10, control device. DETAILED DESCRIPTION
[0018] The utility model is further described below in conjunction with the accompanying drawings.
[0019] like Figure 1 , 2As shown in Figure 3, an ore screening device comprises a device frame 1, on which a horizontal cross slide 11 is installed, a screening frame 2 is installed in the cross slide, and a screen 3 is installed at the bottom of the screening frame, and the screening frame is also connected to a screening motor 4; a feed hopper 5 is also installed on the device frame, and the feed hopper has an upper feed port 51 and a lower discharge port 52, and the discharge port is opened on the upper part of the screening frame; its characteristic is that: two groups of rollers are installed below the screening frame and below the screen, and the two groups of rollers are respectively a front group of rollers 61 installed in front of the screening frame and a rear group of rollers 62 installed behind the screening frame; the front group The rollers include two front rollers which are arranged on the left and right sides respectively, and the two front rollers are the front left roller 611 and the front right roller 612 respectively; the rear group of rollers includes two rear rollers which are arranged on the left and right sides respectively, and the two rear rollers are the rear left roller 621 and the rear right roller 622 respectively, the rollers are connected with roller motors 65, and conveyor belts 7 are respectively installed on the front left roller and the rear left roller, and this conveyor belt is the left conveyor belt 71; there is also a conveyor belt installed on the front right roller and the rear right roller, and this conveyor belt is the right conveyor belt 72; there is also a top rod 8 connected between the left conveyor belt and the right conveyor belt, and the screen is supported on the top rod.
[0020] The above arrangement of the utility model continuously changes the part of the top rod supporting the screen during the screening of the ore, and the part of the top rod supporting the screen is not the lowest part, that is, the lowest position of the screen is continuously changed, that is, the part of the screen that is easily damaged is continuously changed, which can extend the service life of the screen and achieve the purpose of the utility model.
[0021] The conveyor belt comprises a conveyor chain.
[0022] Furthermore, the screening frame also has a front screening frame outlet 21, and the conveyor belt runs forward.
[0023] The above arrangement of the utility model can also achieve the advantage that the operation of the top rod helps the ore to run on the screen. The direction of the arrow F in the figure is the direction of the conveyor belt running.
[0024] Furthermore, there is a sleeve 9 on the outer periphery of the push rod, and the screen is supported on the push rod, which means that the screen is supported on the sleeve.
[0025] The utility model is arranged in this way, and the wear of the top rod under the screen can be reduced.
[0026] Furthermore, there are multiple push rods, and the multiple push rods are evenly distributed on the conveyor belt.
[0027] The above arrangement of the utility model also has the advantage of better use effect.
[0028] Further speaking, if Figure 4 As shown, the push rod and / or sleeve also has a drum-shaped structure 91 which is thick in the middle.
[0029] The above arrangement of the utility model ensures that the central part of the screen is higher under the action of the top rod.
[0030] Furthermore, the roller motor is connected to the control device 10, and the screening motor is connected to the control device.
[0031] The above arrangement of the utility model also has the advantage of more convenient control.
[0032] The above description is only a specific embodiment of the present invention, but the structural features of the present invention are not limited thereto. Any changes or modifications made by any technician in the field of the present invention are included in the patent scope of the present invention.
Claims
1. An ore screening device, comprising a device frame, a horizontal slideway is installed on the device frame, a screening frame is installed in the horizontal slideway, and a screen is installed at the bottom of the screening frame, and the screening frame is also connected to a screening motor; a feed hopper is also installed on the device frame, the feed hopper has an upper feed port and a lower discharge port, and the discharge port is opened on the upper side of the screening frame; its characteristics are: Two groups of rollers are installed below the screening frame and below the screen, and the two groups of rollers are respectively a front group of rollers installed in front of the screening frame and a rear group of rollers installed behind the screening frame; the front group of rollers includes two front rollers arranged on the left and right sides respectively, and the two front rollers are respectively a front left roller and a front right roller; the rear group of rollers includes two rear rollers arranged on the left and right sides respectively, and the two rear rollers are respectively a rear left roller and a rear right roller, the rollers are connected with roller motors, and conveyor belts are respectively installed on the front left roller and the rear left roller, and this conveyor belt is the left conveyor belt; there is also a conveyor belt installed on the front right roller and the rear right roller, and this conveyor belt is the right conveyor belt; there is also a top rod connected between the left conveyor belt and the right conveyor belt, and the screen is supported on the top rod.
2. The ore screening device according to claim 1 is characterized in that: The outer periphery of the push rod is also provided with a sleeve.
3. The ore screening device according to claim 1 or 2, characterized in that: The screening frame also has a front screening frame outlet, and the conveyor belt runs forward.
4. The ore screening device according to claim 3 is characterized in that: There are multiple push rods, and the multiple push rods are evenly distributed on the conveyor belt.
5. The ore screening device according to claim 2 is characterized in that: The mandrel and / or sleeve also has a drum-shaped structure that is thick in the middle.
6. The ore screening device according to claim 2 is characterized in that: The roller motor is connected to the control device, and the screening motor is connected to the control device.