Raw material screening treatment device for mineral separation

Abstract

The utility model relates to a raw material screening treatment device for mineral separation in the technical field of mineral separation equipment. The raw material screening treatment device comprises a screening box. A partition plate is fixed in the screening box and divides the screening box into a screening cavity and a recycling cavity, a horizontal screening barrel is arranged in the screening cavity, screening holes are distributed in the screening barrel, a feeding port is formed in one end of the screening barrel, a discharging port is formed in the other end of the screening barrel, and a through hole matched with the screening barrel is formed between the screening cavity and the recycling cavity. The discharging end of the screening cylinder is rotationally connected with the through hole through a bearing, and the screening cylinder is connected with a driver. A feeding screw is arranged in the screening barrel and comprises a rotating rod and a first spiral feeding paddle fixed to the rotating rod, one end of the rotating rod extends out of the feeding pipe and is connected with a first stepping motor, and a second spiral feeding paddle is fixed to the portion, located in the feeding pipe, of the rotating rod. The vibrating screen is reasonable in overall structure, efficient and continuous screening operation can be achieved, and the screening effect and efficiency are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of ore separation equipment, and particularly relates to a raw material screening and processing device for ore dressing. Background Art

[0002] After the ore is mined, it needs to be crushed first, and then the ore is screened and classified. After that, it is transported and sold according to different particle sizes. Generally, a screening machine is used to screen the ore. The patent document with the patent number CN220941677U discloses a ore separation and screening device, including: a support bottom plate, a blanking protection mechanism and a screening mechanism; the blanking protection mechanism is arranged above the support bottom plate, the blanking protection mechanism includes a blanking protection cover, one end of the blanking protection cover is fixed with a support cushion block, a support rotating rod is inserted in the support cushion block, both ends of the support rotating rod are connected with fixing blocks, and the fixing blocks are fixed on the support bottom plate; the screening mechanism is arranged in the blanking protection cover, the screening mechanism includes a rotating screening cylinder, a plurality of uniformly distributed first screening holes, second screening holes, third screening holes and fourth screening holes are drilled on the rotating screening cylinder, and a plurality of blocking plates are arranged in the rotating screening cylinder. Through the setting of the corresponding mechanisms of the screening device, the screening effect of the ore is improved, so that the ore can be collected in multiple sizes. However, after the screening is completed, the machine needs to be stopped to put in new ore and then screened again, which cannot realize continuous production, has low efficiency and cannot meet the production requirements. Therefore, a raw material screening and processing device for ore dressing is needed to solve the above technical problems. Summary of the Utility Model

[0003] In view of the above defects existing in the prior art, the utility model provides a raw material screening and processing device for ore dressing, including a screening box; a partition is fixed in the screening box, and the partition divides the screening box into a screening chamber and a recovery chamber. An outlet pipe one is arranged at the bottom of the screening chamber, and an outlet pipe two is arranged at the bottom of the recovery chamber. Switch valves are arranged on both the outlet pipe one and the outlet pipe two. A horizontal screening cylinder is arranged in the screening chamber, and the screening cylinder is covered with screening holes. One end of the screening cylinder is provided with a feed inlet, the feed inlet is rotationally connected with a feed pipe through a bearing, and one end of the feed pipe extends out of the screening box and is fixedly connected with a feed hopper. The other end of the screening cylinder is provided with an outlet, a through hole matching the screening cylinder is arranged between the screening chamber and the recovery chamber, and the outlet end of the screening cylinder is rotationally connected with the through hole through a bearing. The screening cylinder is connected with a drive;

[0004] A feeding screw is arranged in the screening cylinder, the feeding screw includes a rotating rod and a spiral feeding blade one fixed on the rotating rod. One end of the rotating rod extends out of the feed pipe and is connected with a stepping motor one, and a spiral feeding blade two is fixed on the rotating rod located in the feed pipe.

[0005] Preferably, a fixing ring is provided at the through hole. The fixing ring is fixedly connected to the inner wall of the recovery cavity through a fixing rod, and one end of the rotating rod is rotatably connected to the fixing ring through a bearing.

[0006] Preferably, the drive includes a turbine and a worm. The powder screening cylinder passes through the center of the turbine. The turbine is fixed on the outer wall of the screening cylinder. The worm meshes with the turbine and is located at the top of the screening box. Both ends of the worm are rotatably connected to the inner wall of the corresponding screening box through bearings. One end of the worm penetrates through the screening box and is connected to a second stepping motor. The second stepping motor is fixed on the outer wall of the screening box.

[0007] Preferably, brushes are fixed on the worm on both sides of the turbine. The brushes are in contact with the outer wall of the screening cylinder.

[0008] Preferably, the bottom of the screening cavity is a conical bottom, and the first discharge pipe is located on the conical bottom.

[0009] The present utility model further includes other components that can enable a raw material screening and processing device for ore dressing to be used normally, such as control components for the first and second stepping motors, control components for the switching valves, etc. These are all commonly used devices in the art and are conventional technical means in the art. In addition, devices or components not defined in the present utility model, such as switching valves, feeding screws, turbines, worms, etc., all adopt conventional technical means and conventional equipment in the art.

[0010] Working principle: The ore to be screened enters the feeding pipe from the feeding hopper. The first stepping motor drives the feeding screw to rotate and send the ore into the screening cylinder. At this time, the screening cylinder rotates continuously to screen the ore. At the same time, the rotation of the feeding screw and the rotation of the screening cylinder do not interfere with each other. The spiral feeding blade 1 can transport the ore in the screening cylinder towards the discharge port. The ore is screened and transported at the same time. The smaller screened ore falls into the screening box and is discharged from the first discharge pipe. The larger screened ore enters the recovery cavity from the discharge port and is discharged from the second discharge pipe for further treatment.

[0011] In the above process, the ore can continuously enter and then be continuously screened, realizing continuous screening operation. At the same time, the bristles on the worm can clean the screening holes of the screening cylinder to avoid blockage, further improving the screening effect and efficiency.

[0012] Advantages of the present utility model: The overall structure is reasonable, and efficient and continuous screening operation can be achieved. The screening cylinder can be cleaned in time, further improving the screening effect and efficiency, which is beneficial to production. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present utility model will be further described below with reference to the drawings and embodiments.

[0014] Figure 1This is a schematic structural diagram of a raw material screening and processing device for ore dressing in an embodiment of the present utility model;

[0015] Figure 2 It is Figure 1 a cross-sectional view at the screening cylinder in

[0016] In the figure: 1, screening box; 2, recovery chamber; 3, worm; 4, screening cylinder; 5, spiral feeding paddle one; 6, feeding pipe; 7, spiral feeding paddle two; 8, stepping motor one; 9, feeding hopper; 10, brush hair; 11, turbine; 12, conical bottom; 13, discharge pipe one; 14, discharge pipe two; 15, exhaust pipe; 16, through hole; 17, fixing ring; 18, fixing rod; 19, rotating rod. Specific embodiments

[0017] The present utility model will be clearly described below in conjunction with the drawings in the embodiments of the present utility model and specific embodiments. The description here is only used to explain the present utility model, but not to limit the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative work, any modifications, equivalent replacements, improvements, etc., shall be included in the protection scope of the present utility model.

[0018] Embodiment

[0019] As Figure 1-2 shown, the present utility model provides a raw material screening and processing device for ore dressing, including a screening box 1; a partition is fixed inside the screening box 1, and the partition divides the screening box 1 into a screening chamber and a recovery chamber 2. A discharge pipe one 13 is provided at the bottom of the screening chamber, a discharge pipe two 14 is provided at the bottom of the recovery chamber 2, an exhaust pipe 15 is provided at the top of the recovery chamber 2, and switch valves are provided on both the discharge pipe one 13 and the discharge pipe two 14. A horizontal screening cylinder 4 is provided in the screening chamber. The screening cylinder 4 is covered with sieve holes. One end of the screening cylinder 4 is provided with a feed inlet, the feed inlet is rotatably connected to a feed pipe 6 through a bearing, and one end of the feed pipe 6 extends out of the screening box 1 and is fixedly connected to a feed hopper 9. The other end of the screening cylinder 4 is provided with a discharge port. A through hole 16 matching the screening cylinder 4 is provided between the screening chamber and the recovery chamber 2. The discharge end of the screening cylinder 4 is rotatably connected to the through hole 16 through a bearing, and the screening cylinder 4 is connected with a drive;

[0020] A feeding screw is provided inside the screening cylinder 4. The feeding screw includes a rotating rod 19 and a spiral feeding paddle one 5 fixed on the rotating rod 19. One end of the rotating rod 19 extends out of the feed pipe 6 and is connected to a stepping motor one 8. A spiral feeding paddle two 7 is fixed on the rotating rod 19 located inside the feed pipe 6.

[0021] A fixing ring 17 is provided at the through hole 16. The fixing ring 17 is fixedly connected to the inner wall of the recovery chamber 2 through a fixing rod 18. One end of the rotating rod 19 is rotatably connected to the fixing ring 17 through a bearing.

[0022] The drive includes a turbine 11 and a worm 3. The powder screening cylinder passes through the center of the turbine 11. The turbine 11 is fixed on the outer wall of the screening cylinder 4. The worm 3 meshes with the turbine 11 and is located at the top of the screening box 1. Both ends of the worm 3 are rotatably connected to the inner wall of the corresponding screening box 1 through bearings. One end of the worm 3 penetrates through the screening box 1 and is connected to a second stepping motor. The second stepping motor is fixed on the outer wall of the screening box 1.

[0023] Brushes 10 are fixed on the worm 3 on both sides of the turbine 11. The brushes 10 are in contact with the outer wall of the screening cylinder 4.

[0024] The bottom of the screening chamber is a conical bottom 12. The first discharge pipe 13 is located on the conical bottom 12.

[0025] During use, the ore to be screened enters the feed pipe 6 from the feed hopper 9. The first stepping motor 8 drives the feeding screw to rotate and send the ore into the screening cylinder 4. At this time, the screening cylinder 4 rotates continuously to screen the ore. At the same time, the rotation of the feeding screw and the rotation of the screening cylinder 4 do not interfere with each other. The spiral feeding blades 5 can transport the ore in the screening cylinder 4 towards the discharge port. The ore is screened and transported at the same time. The smaller screened ore falls into the screening box 1 and is discharged from the first discharge pipe 13. The larger screened ore enters the recovery chamber 2 from the discharge port and is discharged from the second discharge pipe 14 for treatment.

[0026] In the above process, the ore can continuously enter and then be continuously screened, realizing continuous screening operation. At the same time, the bristles on the worm 3 can clean the screen holes of the screening cylinder 4 to avoid blockage, further improving the screening effect and efficiency.

[0027] The embodiments of the present invention have been described above. The above description is exemplary and not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations are obvious to those of ordinary skill in the art in the technical field without departing from the scope and spirit of the described embodiments. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A raw material screening and processing device for ore dressing, comprising a screening box; characterized in that: A partition is fixed in the screening box, and the partition divides the screening box into a screening chamber and a recovery chamber. A discharge pipe 1 is provided at the bottom of the screening chamber, and a discharge pipe 2 is provided at the bottom of the recovery chamber. A horizontal screening drum is provided in the screening chamber, and the screening drum is covered with screening holes. A feed port is provided at one end of the screening drum, and the feed port is rotatably connected with a feed pipe through a bearing. One end of the feed pipe extends out of the screening box and is fixedly connected with a feed hopper. A discharge port is provided at the other end of the screening drum. A through hole matching the screening drum is provided between the screening chamber and the recovery chamber, and the discharge end of the screening drum is rotatably connected with the through hole through a bearing, and the screening drum is connected with a drive. A feeding screw is provided in the screening cylinder, and the feeding screw includes a rotating rod and a spiral feeding blade fixed on the rotating rod. One end of the rotating rod extends out from the feeding pipe and is connected to a stepping motor. A spiral feeding blade is fixed on the rotating rod located in the feeding pipe.

2. A raw material screening and processing device for ore dressing according to claim 1, characterized in that: A fixing ring is provided at the through hole, and the fixing ring is fixedly connected to the inner wall of the recovery chamber through a fixing rod, and one end of the rotating rod is rotatably connected to the fixing ring through a bearing.

3. A raw material screening and processing device for ore dressing according to claim 1, characterized in that: The drive includes a turbine and a worm. The screening cylinder passes through the center of the turbine. The turbine is fixed on the outer wall of the screening cylinder. The worm is meshed with the turbine and is located on the top of the screening box. Both ends of the worm are rotatably connected to the corresponding inner walls of the screening box through bearings. One end of the worm passes through the screening box and is connected to a stepper motor 2. The stepper motor 2 is fixed on the outer wall of the screening box.

4. A raw material screening and processing device for ore dressing according to claim 3, characterized in that: Brushes are fixed on the worms at both sides of the turbine, and the brushes are in contact with the outer wall of the screening cylinder.

5. The raw material screening and processing device for ore dressing according to claim 1 is characterized in that: The bottom of the screening chamber is a conical bottom, and the discharge pipe is located on the conical bottom.

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