Vibrating screen device for iron sand screening machine

Abstract

The utility model discloses a vibrating screen device for an iron sand screening machine, which relates to the technical field of metallurgical screening and comprises a screening part, a top shell is detachably arranged at the top of the screening part, and a vibrating part for vibrating the screening part is arranged at the bottom of the screening part; the screening part is arranged, and multiple layers of detachable screening filter screens are arranged, so that the number of the screening filter screens can be increased or decreased according to actual screening requirements, and the screening stage number can be changed; by arranging the screening filter screen convenient to mount and dismount, screening filter screens with different pore diameters can be rapidly replaced for screening operation according to use requirements, the application range and practicability of the screening device are increased, and the working efficiency is improved; the screening part and the vibration part are combined, vibration and stirring are generated during screening, the filter screen is prevented from being blocked, and the screening quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of metallurgical screening, in particular to a vibrating screen device for an iron sand screening machine. Background Art

[0002] Vibrating screen devices for iron sand screening machines are widely used in industries such as metallurgy, mining, construction, environmental protection and chemical industry. They are mainly used for efficient screening and grading of iron sand. Due to the differences in particle size, moisture, application field and production process of iron sand, the screening requirements are different. Materials of different particle sizes need to select appropriate screen apertures to ensure effective separation and screening. Therefore, it is necessary to select appropriate vibrating screen devices according to specific circumstances to ensure screening efficiency, meet product quality standards and reduce operating costs.

[0003] The utility model patent with announcement number CN215744743U discloses a vibrating screen device for an iron sand screening machine, wherein the support frame adopts an internal hollow frame structure, the upper surface is inclined, and the height gradually decreases from left to right. The screen is arranged parallel to the upper end of the support frame, and a telescopic sleeve is provided between the screen and the upper surface of the support frame. The device is provided with a plurality of vibrating parts, which are located at the upper end of the support frame, including a rotating shaft and a vibration assembly. The rotating shaft is rotatably arranged inside the support frame, one end of which protrudes from the outside of the screening machine and is connected to the drive motor. The vibration assembly consists of multiple groups of vibration rods uniformly fixed on the outside of the rotating shaft along the length direction of the rotating shaft, each group consisting of three annularly distributed vibration rods, one end of the vibration rod is fixedly connected to the outer surface of the rotating shaft, and the other end is covered with a rubber member on the outside, and the distance between the rotating shaft and the screen is smaller than the distance between the rotating shaft and the outer end of the rubber member.

[0004] However, the existing technology cannot replace the appropriate filter according to actual screening needs, and its scope of application is limited. At the same time, the existing technology cannot quickly install and disassemble the filter, affecting processing efficiency. The existing technology cannot increase or decrease the number of screening levels according to screening needs. Utility Model Content

[0005] In response to the above technical problems, the utility model provides the following technical solutions: a vibrating screen device for an iron sand screening machine, comprising a screening part, a top shell being detachably provided on the top of the screening part, and a vibrating part being provided at the bottom of the screening part for providing vibration to the screening part; the screening part comprises a screening mounting base slidably arranged on the vibrating part, a screening screen being detachably provided on the screening mounting base, and filter holes for screening being provided on the screening screen; the vibrating part comprises a vibrating crank 1 and a vibrating crank 2, a vibrating connecting rod being rotatably provided between the vibrating crank 1 and the vibrating crank 2, the other end of the vibrating connecting rod being rotatably provided on the vibrating slide bar, and the vibrating slide bar being slidably provided in the screening mounting base.

[0006] Furthermore, the screening installation base is provided with a plurality of rectangular chutes for installing the screening screen, a through hole is provided at the center of the screening screen, and the screening screen is detachably arranged on the screening rotating shaft through the through hole.

[0007] Furthermore, a chute is provided at the center of the screening rotating shaft, a screening scraper for stirring is detachably provided in the chute, and the screening rotating shaft is fixedly provided on the output shaft of the screening motor.

[0008] Furthermore, the vibration crank 1 is fixedly set on the output shaft of the vibration motor, the vibration crank 2 is rotatably set on the vibration base, a screening spring is set between the screening mounting base and the vibration base, and a vibration reset spring is set between the vibration slide rod and the screening mounting base.

[0009] Furthermore, the top of the screening mesh is provided with an opening, the bottom is provided with a filter hole, and both sides of the screening mesh are provided with discharge ports.

[0010] Furthermore, a feed port is provided at the top of the top shell, a discharge port is provided at the bottom, a thread is provided on the inner wall of the bottom of the top shell to cooperate with the outer wall of the screening mounting base, and the diameter of the feed port is smaller than the diameter of the discharge port at the bottom of the top shell.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. The present invention is provided with a screening part and multiple layers of detachable screening screens, which can increase or decrease the number of screening screens according to actual screening needs to change the number of screening stages; 2. By providing a screening screen that is easy to install and disassemble, screening screens of different apertures can be quickly replaced according to usage requirements for screening operations, thereby increasing its scope of application and practicality and improving work efficiency; 3. By combining the screening part and the vibration part, vibration and stirring are generated during screening, thereby preventing the filter screen from being blocked and ensuring the screening quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 It is a cross-sectional view of the overall structure of the utility model.

[0014] Figure 3 This is a schematic diagram of the overall structure of the utility model from a front view angle.

[0015] Figure 4 It is a side view schematic diagram of the overall structure of the utility model.

[0016] Figure 5 This is a schematic diagram of the local structure of the screening part of the utility model Figure 1 .

[0017] Figure 6 This is a schematic diagram of the local structure of the screening part of the utility model Figure 2 .

[0018] Figure 7 This is a schematic diagram of the local structure of the screening part of the utility model Figure 3 .

[0019] Figure 8 This is a schematic diagram of the local structure of the screening part of the utility model Figure 4 .

[0020] Figure 9 It is a schematic diagram of the local structure of the vibration part of the utility model.

[0021] Figure 10 This is a cross-sectional view of the local structure of the vibration part of the utility model.

[0022] Figure markings: 1-screening part; 2-vibration part; 3-top shell; 101-screening net; 102-screening scraper; 103-screening mounting base; 104-screening rotating shaft; 105-screening spring; 106-screening motor; 201-vibration slide bar; 202-vibration return spring; 203-vibration connecting rod; 204-vibration motor; 205-vibration crank one; 206-vibration crank two; 207-vibration base. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] like Figures 1 to 4 As shown, a vibrating screen device for an iron sand screening machine includes a screening part 1, a top shell 3 is detachably provided on the top of the screening part 1, and a vibrating part 2 is provided on the bottom of the screening part 1 to provide vibration to the screening part 1.

[0025] like Figures 1 to 10As shown, the screening part 1 includes a screening screen 101, a screening scraper 102, a screening mounting base 103, a screening rotating shaft 104, a screening spring 105, and a screening motor 106; the screening mounting base 103 is slidably arranged on the vibration base 207 through a guide rod arranged at the bottom, and a plurality of screening screens 101 are detachably arranged on the screening mounting base 103, and the screening screen 101 is provided with a filter hole for screening; a plurality of rectangular chutes for installing the screening screen 101 are provided on the screening mounting base 103, a through hole is provided at the center of the screening screen 101, and the screening screen 101 is detachably arranged on the screening rotating shaft 104 through the through hole. ; The screening rotating shaft 104 is cylindrical, and a chute is provided at the center of the screening rotating shaft 104. A detachable screening scraper 102 for stirring iron sand is provided in the chute, and the screening rotating shaft 104 is fixedly provided on the output shaft of the screening motor 106; the screening mesh 101 is provided with an opening at the top, a filter hole at the bottom, and a discharge port on both sides of the screening mesh 101; when the manufacturer produces the screening mesh 101, the filter holes on the bottom of each screening mesh 101 can be set to different diameters according to needs. During installation, the diameters of the filter holes on the screening mesh 101 are arranged from large to small, and they are installed in the rectangular chute on the screening mounting base 103 from top to bottom.

[0026] like Figure 2 、 Figure 9 、 Figure 10 As shown, the vibration part 2 includes a vibration slide bar 201, a vibration return spring 202, a vibration connecting rod 203, a vibration motor 204, a vibration crank 1 205, a vibration crank 206, and a vibration base 207; a vibration connecting rod 203 is rotatably arranged between the vibration crank 1 205 and the vibration crank 206, and the other end of the vibration connecting rod 203 is rotatably arranged on the vibration slide bar 201, and the vibration slide bar 201 is slidably arranged in the screening mounting base 103; the vibration crank 1 205 is fixedly arranged on the output shaft of the vibration motor 204, and the vibration crank 206 is rotatably arranged on the vibration base 207, a screening spring 105 is arranged between the screening mounting base 103 and the vibration base 207, and a vibration return spring 202 is arranged between the vibration slide bar 201 and the screening mounting base 103.

[0027] like Figures 1 to 4 As shown, a feed port is provided at the top of the top shell 3 and a discharge port is provided at the bottom. A thread that cooperates with the outer wall of the screening mounting base 103 is provided on the inner wall of the bottom of the top shell 3. The diameter of the feed port is smaller than the diameter of the discharge port at the bottom of the top shell 3.

[0028] like Figures 1 to 10As shown, the utility model discloses a vibrating screen device for an iron sand screening machine, and its working principle is as follows: according to different screening requirements, a plurality of screening meshes 101 with different filter hole sizes are installed in the rectangular chute on the screening installation base 103 from top to bottom in order according to the diameter of the filter hole from large to small. During installation, the discharge ports provided on adjacent screening meshes 101 are staggered to facilitate the subsequent collection of the screened particles. At the same time, the screening scraper 102 is installed above the filter hole of the screening mesh 101 through the chute on the screening rotating shaft 104, to facilitate the subsequent stirring of the iron sand on the screening mesh 101, to help filter the iron sand while allowing large particles of iron sand to be discharged from the corresponding discharge port.

[0029] After the installation is completed, the top shell 3 is installed on the screening installation base 103, and the iron sand is put into the top shell 3 from the feed port on the top shell 3, so that the iron sand falls on the screening mesh 101 at the top, and the screening motor 106 is turned on. The screening motor 106 rotates to drive the screening rotating shaft 104 and then drives the screening scraper 102 on the screening rotating shaft 104 to rotate, stirring the iron sand on the screening mesh 101, helping to filter the iron sand while allowing large particles of iron sand to be discharged from the corresponding discharge port. At the same time, the vibration motor 204 is turned on, and the vibration motor 204 rotates to drive the vibration crank 1 205, the vibration connecting rod 203, and the vibration crank 206 to rotate, so that the vibration connecting rod 203 pulls the vibration slide bar 201 to slide, and the vibration slide bar 201 drives the screening installation base 103 to slide when sliding, causing the screening mesh 101 on the screening installation base 103 to vibrate, assisting the screening mesh 101 to screen the iron sand.

Claims

1. A vibrating screen device for an iron sand screening machine, characterized in that: The device comprises a screening part (1), wherein a top shell (3) is detachably provided on the top of the screening part (1), and a vibration part (2) is provided on the bottom of the screening part (1) for providing vibration to the screening part (1); The screening part (1) comprises a screening installation base (103) slidably arranged on the vibration part (2), a screening screen (101) being detachably arranged on the screening installation base (103), and a filtering hole for screening being arranged on the screening screen (101); The vibration part (2) comprises a first vibration crank (205) and a second vibration crank (206); a vibration connecting rod (203) is rotatably arranged between the first vibration crank (205) and the second vibration crank (206); the other end of the vibration connecting rod (203) is rotatably arranged on a vibration sliding rod (201); and the vibration sliding rod (201) is slidably arranged in a screening mounting base (103).

2. The vibrating screen device for an iron sand screening machine according to claim 1, characterized in that: The screening installation base (103) is provided with a plurality of rectangular chutes for installing the screening screen (101), a through hole is provided at the center of the screening screen (101), and the screening screen (101) is detachably arranged on the screening rotating shaft (104) through the through hole.

3. The vibrating screen device for an iron sand screening machine according to claim 2, characterized in that: A chute is provided at the center of the screening rotating shaft (104), and a screening scraper (102) for stirring is detachably provided in the chute. The screening rotating shaft (104) is fixedly provided on the output shaft of the screening motor (106).

4. A vibrating screen device for an iron sand screening machine according to claim 3, characterized in that: The first vibration crank (205) is fixedly arranged on the output shaft of the vibration motor (204), the second vibration crank (206) is rotatably arranged on the vibration base (207), a screening spring (105) is arranged between the screening installation base (103) and the vibration base (207), and a vibration return spring (202) is arranged between the vibration slide bar (201) and the screening installation base (103).

5. The vibrating screen device for an iron sand screening machine according to claim 4, characterized in that: The screening net (101) is provided with an opening at the top and filtering holes at the bottom, and discharge ports are provided on both sides of the screening net (101).

6. A vibrating screen device for an iron sand screening machine according to any one of claims 1 to 5, characterized in that: The top of the top shell (3) is provided with a feed port, and the bottom is provided with a discharge port. The inner wall of the bottom of the top shell (3) is provided with a thread that matches the outer wall of the screening installation base (103). The diameter of the feed port is smaller than the diameter of the discharge port at the bottom of the top shell (3).

Images