Multi-stage swinging screen
By introducing scraping grooves and impact ball components into the swing screen, the problems of raw material retention and screen hole blockage are solved, and efficient multi-stage screening and separation effects are achieved.
Patent Information
- Application Number
- CN202422493383.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-10-15
AI Technical Summary
During the screening process of existing swing screens, raw materials are easily stuck on the screen plate and cannot fall down, resulting in waste, and the screen holes are easily blocked, affecting the screening effect.
A multi-stage swing screen is designed, including scraping grooves and impact ball components. The scraping grooves improve the scraping effect through concave design. The impact balls release blockage through inertial impact. Combined with the vibration motor, the screen plate vibration and the movement of the feeding pipes, achieving efficient screening.
It effectively avoids raw material retention and screening hole clogging, improves screening efficiency and accuracy, and ensures the separation effect of raw materials with different particle sizes.
Smart Images
Figure CN223300427U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pearlite ore processing, in particular to a multi-stage swing screen. Background Art
[0002] The multi-stage swing screen can imitate the principle of manual screening, combining circular motion and parabolic motion to achieve efficient screening. Its screening accuracy can reach 90%-95%, making it particularly suitable for fine classification of materials such as perlite and ore.
[0003] When the existing rocking screen is in use, there is no equipment for scraping the screen plate. The raw materials are difficult to fall off the screen plate only by vibration and their own gravity. Some of the raw materials will be retained on the screen plate and cannot fall, causing waste. In addition, when the raw materials pass through the screen holes, they are easily blocked in the screen holes, resulting in some of the raw materials being unable to pass through the screen holes for screening, affecting the screening effect.
[0004] To this end, we propose a multi-stage swing screen. Utility Model Content
[0005] The utility model mainly solves the technical problems of the waste caused by the inability to clean the raw materials on the screen plate and the blockage of the screen holes, and provides a multi-stage swing screen.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions, a multi-stage swing screen, comprising:
[0007] The bottom plate has four supporting columns at the top corners, and the four columns are provided with a swing screen body for screening at one end. A return port for feeding is provided at one end of the top of the swing screen body;
[0008] The discharge assembly is arranged linearly on the outer wall of one side of the swing screen body. The discharge assembly includes a discharge box and a discharge pipe. The discharge box is arranged linearly on the outer wall of the swing screen body, and the distance between the discharge box and the column increases from top to bottom. The discharge pipe is set at the bottom of the discharge box;
[0009] The filter components are arranged linearly on the inner wall of the swing screen body, and multiple filter plates at the top are provided with multiple filter holes arranged in a matrix, with the filter holes decreasing in diameter from top to bottom;
[0010] The anti-blocking component is arranged on the filter plate at the top. The anti-blocking component includes a connecting plate, a scraper groove and an impact ball. The anti-blocking component is provided with a driving part for driving the movement. The driving part includes a sliding rod and a screw rod.
[0011] Furthermore, the cross-section of the rocking screen body is trapezoidal, the top of the rocking screen body is inclined, the filter plates are linearly arranged and fixedly connected to the inner wall of the rocking screen body, the filter plates are located and connected to the discharge box, and the top and bottom of the outer wall of the column are provided with a first sliding groove, the inner wall of the first sliding groove is fixedly connected to a sliding block, the rocking screen body is fixedly connected to the outer wall of the sliding block, the top of the sliding block and the inner wall of the top of the first sliding groove are fixedly connected with a reset spring, and a vibration motor for driving the rocking screen body to vibrate is provided at the bottom of the rocking screen body.
[0012] Furthermore, a fixed plate is fixedly connected to the middle position of the top of the filter plate at the bottom, and a limiting slide groove is provided in the fixed plate. A sliding rod is slidably connected to the inner wall of the limiting slide groove, and a second sliding groove is provided in the middle of multiple filter plates located at the top. The sliding rod is slidably connected to the inner wall of the second sliding groove, and the screw rod is connected to the inner wall of the limiting slide groove through rotation of the motor. A penetrating threaded hole is provided at the bottom of the sliding rod, and the screw rod is threadedly connected to the inner wall of the threaded hole.
[0013] Furthermore, a connecting plate is fixedly connected to the outer wall of one side of the limiting slide, the connecting plate is fitted with the top of the filter plate, and a scraping groove is provided at the bottom of one end of the connecting plate close to the discharge box, and the scraping groove is concave.
[0014] Furthermore, the connecting plate is fixedly connected to the top of one end of the discharge box with a plurality of linearly arranged fixed slots, a rotating pin is rotatably connected in the fixed slot, and a rotating rod is provided in the fixed slot, and the impact ball is fixedly connected to the rotating rod away from the end of the connecting plate.
[0015] Furthermore, a penetrating fixing hole is provided in the rotating rod, and the rotating pin is fixedly connected to the inner wall of the fixing hole.
[0016] Furthermore, a through groove is provided at the bottom of the discharge box, and a third sliding groove that completely penetrates the discharge box is provided on the inner walls on both sides of the through groove. A sliding plate is slidably connected to the inner wall of the third sliding groove, and a fixing hole is provided at the opposite end of the two sliding plates, and the discharge pipe is fixedly connected to the inner wall of the fixing hole.
[0017] Beneficial effects
[0018] The utility model provides a multi-stage swing screen with the following beneficial effects:
[0019] (1) This multi-stage rocking screen, through the scraping grooves, has a concave design that can reduce the contact area between the bottom and the filter plate, increase the pressure, improve the scraping effect, and can retain the scraped raw materials in the scraping grooves, driving them to fall into the discharge box for unloading.
[0020] (2) This multi-stage rocking screen has an impact ball. When the rocking screen body vibrates along the sliding direction of the sliding block, the impact ball can be driven by inertia to rotate in the fixed slot through the rotating rod and impact the filter plate. The raw materials blocked in the filter holes on the filter plate can be shaken down by the impact, thereby avoiding clogging of the filter holes and affecting the screening effect.
[0021] (3) This multi-stage swing screen drives the sliding plate to move in the third sliding groove by pulling the discharge pipe, and then moves the discharge pipe to the required position, and moves multiple discharge pipes to be staggered, so as to facilitate the separation of raw materials of different particle sizes and avoid mixing during discharge, which affects the separation effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is the main view of the utility model;
[0023] Figure 2 This is a cross-sectional view of the utility model;
[0024] Figure 3 For this utility model Figure 2 A magnified view of part A;
[0025] Figure 4 For this utility model Figure 2 A magnified view of part B;
[0026] Figure 5 This is a cross-sectional view of the discharge box in Example 2 of the present utility model.
[0027] Legend: 1. Bottom plate; 2. Column; 3. Swing screen body; 4. Return port; 5. Discharge box; 6. Vibration motor; 7. Filter plate; 8. Filter hole; 9. Fixed plate; 10. Sliding block; 11. Return spring; 12. Discharge pipe; 13. Limiting slide; 14. Sliding rod; 15. Screw rod; 16. Connecting plate; 17. Scraping groove; 18. Fixed notch; 19. Rotating rod; 20. Impact ball; 21. Sliding plate. DETAILED DESCRIPTION
[0028] Example 1: A multi-stage swing screen, such as Figure 1 and Figure 2 Shown, including
[0029] The bottom plate 1 has four supporting columns 2 at the top corners. The four columns 2 have a swing screen body 3 for screening at one end. The top end of the swing screen body 3 has a return port 4 for feeding.
[0030] The discharge assembly is arranged linearly on the outer wall of one side of the rocking screen body 3. The discharge assembly includes a discharge box 5 and a discharge pipe 12. The discharge box 5 is arranged linearly on the outer wall of the rocking screen body 3, and the distance between the discharge box 5 and the column 2 increases from top to bottom. The discharge pipe 12 is arranged at the bottom of the discharge box 5;
[0031] The filter assembly is arranged linearly on the inner wall of the swing screen body 3, and a plurality of filter plates 7 at the top are provided with a plurality of filter holes 8 arranged in a matrix, and the apertures of the filter holes 8 decrease from top to bottom;
[0032] The anti-blocking component is arranged on the filter plate 7 at the top. The anti-blocking component includes a connecting plate 16, a scraping groove 17 and an impact ball 20. The anti-blocking component is also provided with a driving part for driving the movement. The driving part includes a sliding rod 14 and a screw rod 15.
[0033] The cross-section of the rocking screen body 3 is trapezoidal, the top of the rocking screen body 3 is inclined, the filter plates 7 are linearly arranged and fixedly connected to the inner wall of the rocking screen body 3, the filter plates 7 are located and connected to the discharge box 5, and the top and bottom of the outer wall of the column 2 are provided with a first sliding groove, the inner wall of the first sliding groove is fixedly connected to the sliding block 10, the rocking screen body 3 is fixedly connected to the outer wall of the sliding block 10, and the top of the sliding block 10 and the inner wall of the top of the first sliding groove are fixedly connected with a reset spring 11, and a vibration motor 6 for driving the rocking screen body 3 to vibrate is provided at the bottom of the rocking screen body 3.
[0034] When screening is required, the raw materials are added to the bottom plate 1 through the rocking screen body 3, and the rocking screen body 3 is driven to vibrate by the vibration motor 6. The reset spring 11 on the rocking screen body 3 is slidably connected to the first sliding groove, and then the rocking screen body 3 is limited to move, so as to keep the rocking screen body 3 moving in the vertical direction, and the vibration amplitude is increased by the reset spring 11. The raw materials can be screened in the filter holes 8 on the filter plate 7 through vibration, and fall into the filter plate 7 at the bottom according to the particle size, and fall into the discharge box 5 at the tail end, and the raw materials of different particle sizes are discharged through the discharge pipe 12.
[0035] like Figure 3 and Figure 4 As shown, a fixed plate 9 is fixedly connected to the middle position of the top of the filter plate 7 at the bottom, and a limiting slide groove 13 is provided in the fixed plate 9. The inner wall of the limiting slide groove 13 is slidably connected to a sliding rod 14, and a second sliding groove is provided in the middle of the multiple filter plates 7 at the top. The sliding rod 14 is slidably connected to the inner wall of the second sliding groove, and the screw rod 15 is connected to the inner wall of the limiting slide groove 13 through the rotation of the motor. A threaded hole is provided at the bottom of the sliding rod 14, and the screw rod 15 is threadedly connected to the inner wall of the threaded hole.
[0036] When the filter plate 7 needs to be cleaned, the motor drives the screw rod 15 to rotate, which in turn drives the sliding rod 14 threadedly connected thereto to slide in the limiting sliding groove 13 .
[0037] like Figure 4 As shown, a connecting plate 16 is fixedly connected to the outer wall of one side of the limiting slide 13, and the connecting plate 16 is fitted with the top of the filter plate 7. A scraping groove 17 is provided at the bottom of one end of the connecting plate 16 close to the discharge box 5, and the scraping groove 17 is concave.
[0038] The movement of the limiting chute 13 can drive the connecting plate 16 to move synchronously, and the raw materials remaining on the top of the filter plate 7 are scraped off through the scraping groove 17.
[0039] By setting the scraping groove 17, the concave design of the scraping groove 17 can reduce the contact area between the bottom and the filter plate 7, increase the pressure, improve the scraping effect, and can retain the scraped raw materials in the scraping groove 17, driving them to fall into the discharge box 5 for unloading.
[0040] like Figure 4 As shown, the connecting plate 16 is fixedly connected to the top of one end of the discharge box 5 with a plurality of linearly arranged fixed slots 18, a rotating pin is rotatably connected in the fixed slot 18, and a rotating rod 19 is provided in the fixed slot 18, and the impact ball 20 is fixedly connected to the rotating rod 19 away from the end of the connecting plate 16.
[0041] A through fixing hole is provided in the rotating rod 19 , and a rotating pin is fixedly connected to the inner wall of the fixing hole.
[0042] By means of the impact ball 20, when the swing screen body 3 vibrates along the sliding direction of the sliding block 10, the impact ball 20 is driven by inertia to rotate in the fixed slot 18 through the rotating rod 19 and impact the filter plate 7, so that the raw materials clogged in the filter holes 8 on the filter plate 7 can be shaken down by the impact, thereby avoiding clogging of the filter holes 8 and affecting the screening effect.
[0043] Example 2: Based on Example 1, refer to Figure 5 A through groove is provided at the bottom of the discharge box 5, and a third sliding groove is provided on the inner walls on both sides of the through groove, which completely penetrates the discharge box 5. A sliding plate 21 is slidably connected to the inner wall of the third sliding groove. A fixing hole is provided at the opposite end of the two sliding plates 21, and the discharge pipe 12 is fixedly connected to the inner wall of the fixing hole.
[0044] By pulling the discharge pipe 12, the sliding plate 21 is driven to move in the third sliding groove, and then the discharge pipe 12 is moved to the required position, and multiple discharge pipes 12 are moved to be staggered, which facilitates the discharge and separation of raw materials of different particle sizes and avoids mixing during discharge, which affects the separation effect.
[0045] The working principle of the present utility model is as follows: when screening is required, the raw materials are added to the filter plate 7 in the bottom plate 1 through the rocking screen body 3, and the rocking screen body 3 is driven to vibrate along the direction of the sliding block 10 by the vibration motor 6, and the raw materials are driven to enter different discharge boxes 5 according to the particle size after screening, and the raw materials are discharged through the discharge pipe 12 on the discharge box 5 for screening; and the connecting plate 16 is driven to move by the sliding rod 14, and the raw materials retained on the filter plate 7 are scraped off by the scraping groove 17 and driven to fall into the discharge box 5 for discharge, and the filter plate 7 is impacted by the impact ball 20 under the inertia of the vibration of the rocking screen body 3, and the raw materials blocked in the filter hole 8 are shaken down to avoid clogging.
[0046] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.
Claims
1. A multi-stage swing screen, characterized in that: include: A bottom plate (1), four corners of the top of the bottom plate (1) are each provided with upright posts (2) for support, opposite ends of the four upright posts (2) are provided with a swing screen body (3) for screening, and a return port (4) for feeding is provided at one end of the top of the swing screen body (3); A discharge assembly is linearly arranged on the outer wall of one side of the rocking screen body (3), and the discharge assembly includes a discharge box (5) and a discharge pipe (12). The discharge box (5) is linearly arranged on the outer wall of the rocking screen body (3), and the distance between the discharge box (5) and the column (2) increases from top to bottom. The discharge pipe (12) is arranged at the bottom of the discharge box (5); The filter components are arranged linearly on the inner wall of the rocking screen body (3), and a plurality of filter plates (7) located on the top are provided with a plurality of filter holes (8) arranged in a matrix, wherein the apertures of the filter holes (8) decrease from top to bottom; The anti-blocking component is arranged on the filter plate (7) at the top, and includes a connecting plate (16), a scraping groove (17) and an impact ball (20). The anti-blocking component is provided with a driving part for driving the movement, and the driving part includes a sliding rod (14) and a screw rod (15).
2. The multi-stage rocking screen according to claim 1, characterized in that: The rocking screen body (3) has a trapezoidal cross section, the top of the rocking screen body (3) is inclined, the filter plates (7) are linearly arranged and fixedly connected to the inner wall of the rocking screen body (3), the filter plates (7) are located in communication with the discharge box (5), and the top and bottom of the outer wall of the column (2) are both provided with a first sliding groove, the inner wall of the first sliding groove is fixedly connected to a sliding block (10), the rocking screen body (3) is fixedly connected to the outer wall of the sliding block (10), the top of the sliding block (10) and the inner wall of the top of the first sliding groove are fixedly connected to a reset spring (11), and a vibration motor (6) for driving the rocking screen body (3) to vibrate is provided at the bottom of the rocking screen body (3).
3. The multi-stage rocking screen according to claim 1, characterized in that: A fixed plate (9) is fixedly connected to the middle position of the top of the filter plate (7) at the bottom, a limited sliding groove (13) is provided in the fixed plate (9), and a sliding rod (14) is slidably connected to the inner wall of the limited sliding groove (13), and a second sliding groove is provided in the middle of the plurality of filter plates (7) at the top, the sliding rod (14) is slidably connected to the inner wall of the second sliding groove, and the screw rod (15) is connected to the inner wall of the limited sliding groove (13) by rotation of the motor, a threaded hole is provided at the bottom of the sliding rod (14), and the screw rod (15) is threadedly connected to the inner wall of the threaded hole.
4. The multi-stage rocking screen according to claim 3, characterized in that: A connecting plate (16) is fixedly connected to the outer wall of one side of the limiting slide groove (13), and the connecting plate (16) is in contact with the top of the filter plate (7). A scraping groove (17) is provided at the bottom of one end of the connecting plate (16) close to the discharge box (5), and the scraping groove (17) is concave.
5. The multi-stage rocking screen according to claim 4, characterized in that: The top of one end of the connecting plate (16) close to the discharge box (5) is fixedly connected with a plurality of fixed slots (18) arranged in a linear manner, a rotating pin is rotatably connected in the fixed slot (18), and a rotating rod (19) is provided in the fixed slot (18), and the impact ball (20) is fixedly connected to the end of the rotating rod (19) away from the connecting plate (16).
6. The multi-stage rocking screen according to claim 5, characterized in that: A penetrating fixing hole is provided in the rotating rod (19), and a rotating pin is fixedly connected to the inner wall of the fixing hole.
7. The multi-stage rocking screen according to claim 1, characterized in that: The discharge box (5) is provided with a through groove at the bottom, and the inner walls on both sides of the through groove are provided with a third sliding groove that completely penetrates the discharge box (5), and the inner wall of the third sliding groove is slidably connected to a sliding plate (21), and the two sliding plates (21) are provided with fixing holes at opposite ends, and the discharge pipe (12) is fixedly connected to the inner wall of the fixing hole.