Efficient blocking and separating module for drum screen

Abstract

The utility model discloses an efficient blocking and separating module for a drum screen. The efficient blocking and separating module for the drum screen comprises a blocking guide device, a lining plate and a three-dimensional screen pipe. An upper end plate of the blocking material guide device is connected below the lining plate, so that a shell with a lateral opening is formed; a plurality of separation holes are distributed in the lining plate in an array mode and fixedly connected with the lower end of the three-dimensional screen pipe. The three-dimensional screen pipe is of an annular pipe structure, the upper end of the three-dimensional screen pipe is fixedly connected with meshes of the drum screen, the upper ends of blocking screening holes of the three-dimensional screen pipe right face the meshes, the lower ends of the blocking screening holes of the three-dimensional screen pipe right face the separation holes, and coarse materials enter the blocking material guide device from the meshes, the blocking screening holes and the separation holes and are discharged from the lower discharging port through the lateral opening. When the blocking material guide device rotates to the position above the roller screen, the 2D materials fall into the roller screen again and are discharged from a discharging port of the roller screen. The screening device has the effects of efficiently preventing the screen mesh from being clamped and blocked and efficiently screening.

Description

Technical Field

[0001] The utility model relates to the field of garbage sorting, in particular to a high-efficiency blocking and separation module for a drum screen. Background Art

[0002] With the rapid development of urbanization, there are more and more decoration waste and domestic waste. People usually pack them up and have them recycled by garbage trucks of urban public departments.

[0003] Due to the environmental, safety and health disadvantages of manual garbage handling, bagged garbage has begun to adopt mechanized processing production lines, such as drum screens. The current working principle of the drum screen is: the garbage enters the rotating drum from the feed port, the bag breaking knife passively cuts the bag, and the garbage is roughly sorted through the screen. Its defects are: the garbage is mixed with 2D materials such as strips and films, which are easy to get stuck in the screen, affecting the screening efficiency. At the same time, the screen needs to be frequently cleaned and maintained, affecting the sorting speed; and the material is stuck in the screen for a long time, which is easy to damage the screen, resulting in frequent replacement of the screen. Utility Model Content

[0004] In order to solve one or more of the above problems, the utility model provides a high-efficiency blocking and separation module for a drum screen.

[0005] According to one aspect of the utility model, the high-efficiency blocking and separation module for the drum screen comprises: a blocking guide, a lining plate and a three-dimensional screen tube;

[0006] The blocking guide is provided with an upper end and a side end opening, and the upper end plate of the blocking guide is connected to the lower lining plate, thereby forming a shell with a side opening, and the side opening faces the rotation direction of the drum screen;

[0007] The liner array is provided with a number of separation holes, which are fixedly connected to the lower end of the three-dimensional screen tube;

[0008] The three-dimensional screen tube is a circular tube structure. The upper end of the three-dimensional screen tube is fixedly connected to the mesh of the drum screen. The upper end of the blocking and screening holes of the three-dimensional screen tube faces the mesh and the lower end faces the separation holes. The coarse selected materials enter the blocking guide from the mesh, blocking and screening holes and separation holes, and are discharged from the lower discharge port through the side opening. When the blocking guide rotates to the top of the drum screen, the 2D material falls back into the drum screen and is discharged from the discharge port of the drum screen.

[0009] In some embodiments, the separation holes and the mesh holes are stepped through holes, the upper step holes of the separation holes and the lower step holes of the mesh holes are the same as the outer diameter of the three-dimensional sieve tube, the upper end of the three-dimensional sieve tube is tightly fitted and inserted in the lower step holes of the mesh holes, and the lower end is tightly fitted and inserted in the upper step holes of the separation hole.

[0010] In some embodiments, the separation holes and the mesh holes are round through holes, the upper end of the three-dimensional sieve tube is tightly fitted with the mesh holes and the lower end is tightly fitted with the separation holes, and the connection is spot welded.

[0011] In some embodiments, side connecting legs are also included, wherein the upper ends of the side connecting legs are fixedly connected to the drum screen and the lower ends are connected to the side sealing plates of the blocking guide.

[0012] In some embodiments, the upper ends of the side support legs are welded to the drum screen.

[0013] In some embodiments, a first transverse threaded hole is provided at the lower end of the side joint foot, and a first transverse through hole is provided at the side sealing plate. The threaded member passes through the first threaded hole and is screwed into the first through hole, thereby achieving a detachable connection between the two.

[0014] In some embodiments, C-shaped notches are provided on both sides of the liner, and the upper ends of the side connecting legs pass through the C-shaped notches and fit against the inner walls of the side sealing plates.

[0015] In some embodiments, the blocking guide comprises a lower blocking plate, two side sealing plates and a rear baffle plate; the lining plate and the lower blocking plate of the blocking guide are arc panels, and the lower blocking plate, the lining plate and the drum screen are concentrically arranged inwardly;

[0016] The two side sealing plates are symmetrically arranged radial annular plates, the upper ends of which are vertically connected to the two sides of the lining plate and the lower ends are vertically connected to the two sides of the lower blocking plate; the upper end of the rear baffle is connected to the outer wall of the lining plate and the lower end is connected to the upper wall of the lower blocking plate, and the two ends of the front side of the rear baffle are connected to the rear ends of the side sealing plates.

[0017] In some embodiments, the lower blocking plate and the rear baffle are an integrally bent structure, the lower blocking plate includes an arc substrate, and the rear end of the arc substrate is bent upward to form the rear baffle;

[0018] The upper end of the rear baffle is bent again to form a first wing plate, the first wing plate is provided with a plurality of second through holes at equal intervals, the lining plate is provided with a plurality of second threaded holes at equal intervals, the threaded member passes through the second through hole and is screwed into the second threaded hole, so that the threads of the rear baffle and the lining plate are detachably fixedly connected;

[0019] Or the rear end of the arc base plate and the lower end of the rear baffle are also provided with a first bending inclined plate;

[0020] Or a right-angled deceleration step is also provided at the front end of the arc base plate.

[0021] In some embodiments, the lower ends of the two side sealing plates are welded and fixedly connected to the lower blocking plate, and the upper ends of the two side sealing plates are welded and fixedly connected to the liner plate.

[0022] The device limits the discharge length of strip materials and 2D materials by blocking the guide. The damping effect of the three-dimensional screen tube on the strip materials can reduce the passing time of the strip materials and 2D materials. When rotated to the upper end, the 2D materials and strip materials automatically fall off due to gravity, preventing the screen from being blocked. Its beneficial effects are: first, the screen can smoothly separate materials, with good screening effect and high sorting efficiency, while reducing the maintenance speed of the screen and avoiding the replacement caused by frequent damage to the screen; second, the three-dimensional screen tube cleverly increases the passing time of the strip materials to prevent blocking, and combined with the blocking guide, the blocking effect is efficient; third, the structure is simple, organically combined with the drum screen and the inner cavity of the shell, does not occupy extra space, and can be applied to the direct transformation of the original equipment, greatly reducing the cost of equipment transformation, while effectively utilizing resources and avoiding the waste of public resources caused by reinvestment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional schematic diagram of a high-efficiency blocking and separation module for a drum screen according to one embodiment of the utility model;

[0024] Figure 2 for Figure 1 A schematic front view of a high-efficiency interception and separation module for a drum screen is shown;

[0025] Figure 3 for Figure 2 A cross-sectional schematic diagram of the circular hole connection of the three-dimensional screen tube shown;

[0026] Figure 4 for Figure 2 A schematic cross-sectional view of the stepped through-hole connection of the stereoscopic screen tube shown;

[0027] Figure 5 for Figure 1 A three-dimensional schematic diagram of the blocking guide shown;

[0028] Figure 6 for Figure 1 A three-dimensional schematic diagram of the drum screen shown;

[0029] The blocking guide 1, the lateral opening 10, the lower blocking plate 11, the arc base plate 110, the deceleration step 111, the side sealing plate 12, the first through hole 121, the rear baffle 13, the first wing plate 131, the second through hole 132, and the first bending inclined plate 133;

[0030] Lining plate 2, separation hole 20, second threaded hole 21, C-shaped notch 22, upper step hole 23;

[0031] A three-dimensional screen tube 3 blocks the screening holes 30;

[0032] Side support leg 4, first threaded hole 41;

[0033] Drum screen 01, mesh size 010, lower step hole 011. DETAILED DESCRIPTION

[0034] The present invention is further described in detail below in conjunction with the accompanying drawings. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0035] Figures 1 to 6 The high-efficiency blocking and separation module for a drum screen according to an embodiment of the utility model is schematically shown. As shown in the figure, the high-efficiency blocking and separation module for a drum screen comprises: a blocking guide 1, a lining plate 2 and a three-dimensional screen tube 3;

[0036] The blocking guide 1 is open at the upper end and a side end. The upper end plate of the blocking guide 1 is connected to the lower side of the lining plate 2, thereby forming a shell with a side opening 10, and the side opening 10 faces the rotation direction of the drum screen 01;

[0037] The lining plate 2 is provided with a plurality of separation holes 20 in an array, and the separation holes 20 are fixedly connected to the lower end of the three-dimensional screen tube 3;

[0038] The three-dimensional screen tube 3 is a circular tube structure. The upper end of the three-dimensional screen tube 3 is fixedly connected to the mesh 010 of the drum screen 01. The upper end of the blocking and screening holes 30 of the three-dimensional screen tube 3 faces the mesh 010 and the lower end faces the separation holes 20. The coarse selected material enters the blocking and material guide 1 from the mesh 010, the blocking and screening holes 30, and the separation holes 20, and is discharged from the lower discharge port through the lateral opening 10. When the blocking and material guide 1 rotates to the top of the drum screen 01, the 2D material falls back into the drum screen 01 and is discharged from the discharge port of the drum screen 01.

[0039] The device limits the discharge length of strip materials and 2D materials by blocking the guide 1. The damping effect of the three-dimensional screen tube 3 on the strip materials can reduce the passing time of the strip materials and 2D materials. When rotated to the upper end, the 2D materials and strip materials automatically fall off due to gravity, preventing the screen from being blocked. Its beneficial effects are: first, the screen can smoothly separate materials, with good screening effect and high sorting efficiency, while reducing the maintenance speed of the screen and avoiding the replacement phenomenon caused by frequent damage to the screen; second, the three-dimensional screen tube 3 cleverly increases the passing time of the strip materials to prevent the blocking phenomenon, and is combined with the blocking guide 1 to prevent the blocking effect efficiently; third, the structure is simple, organically combined with the drum screen 01 and the inner cavity of the shell, does not occupy extra space, and can be applied to the direct transformation of the original equipment, greatly reducing the cost of equipment transformation, while effectively utilizing resources and avoiding the waste of public resources caused by reinvestment.

[0040] Preferably, the separation hole 20 and the mesh 010 are stepped through holes, the upper step hole 23 of the separation hole 20 and the lower step hole 011 of the mesh 010 are the same as the outer diameter of the three-dimensional screen tube 3, and the upper end of the three-dimensional screen tube 3 is tightly fitted and plugged into the lower step hole 011 of the mesh 010, and the lower end is tightly fitted and plugged into the upper step hole 23 of the separation hole 20. The beneficial effect is that the plug-in structure of the stepped through hole is easy to install and has high connection accuracy.

[0041] Preferably, the separation hole 20 and the mesh 010 are round through holes, the upper end of the three-dimensional screen tube 3 is tightly fitted with the mesh 010 and the lower end is tightly fitted with the separation hole 20, and the connection is spot welded. The beneficial effect is: spot welding connection, high structural strength.

[0042] Preferably, it also includes a side support leg 4, the upper end of which is fixedly connected to the drum screen 01 and the lower end is connected to the side sealing plate 12 of the blocking guide 1. The beneficial effect is that the side support leg 4 can improve the connection strength and positioning accuracy of the two.

[0043] Preferably, the upper ends of the side support legs 4 are welded to the drum screen 01 .

[0044] Preferably, the lower end of the side support leg 4 is provided with a transverse first threaded hole 41, and the side sealing plate 12 is provided with a transverse first through hole 121, and the threaded member passes through the first threaded hole 41 and is screwed into the first through hole 121, thereby realizing a detachable connection between the two. The beneficial effect is that the detachable connection facilitates the replacement and maintenance of the barrier.

[0045] Preferably, C-shaped notches 22 are provided on both sides of the liner 2, and the upper ends of the side support legs 4 pass through the C-shaped notches 22 and fit against the inner wall of the side sealing plate 12. The beneficial effect is that the built-in side support legs further reduce the overall equipment volume.

[0046] Preferably, the blocking guide 1 includes a lower blocking plate 11, two side sealing plates 12 and a rear baffle 13; the lining plate 2 and the lower blocking plate 11 of the blocking guide 1 are arc panels, and the lower blocking plate 11, the lining plate 2 and the drum screen 01 are concentrically arranged inwardly;

[0047] The two side sealing plates 12 are symmetrically arranged radial annular plates, the upper ends of the two side sealing plates 12 are vertically connected to the two sides of the liner plate 2 and the lower ends are vertically connected to the two sides of the lower blocking plate 11; the upper end of the rear baffle plate 13 is connected to the outer wall of the liner plate 2 and the lower end is connected to the upper wall of the lower blocking plate 11, and the two ends of the front side of the rear baffle plate 13 are connected to the rear end of the side sealing plates 12. Its beneficial effect is that this arrangement can quickly separate materials by utilizing the tangential centrifugal force of the logistics.

[0048] Preferably, the lower baffle plate 11 and the rear baffle plate 13 are an integrally bent structure, wherein the lower baffle plate 11 comprises an arc base plate 110, and the rear end of the arc base plate 110 is bent upward to form the rear baffle plate 13; the beneficial effects are: the integrally bent structure is easy to process and manufacture, and has high overall strength.

[0049] The upper end of the rear baffle 13 is bent again to form a first wing plate 131. The first wing plate 131 is provided with a plurality of second through holes 132 at equal intervals. The lining plate 2 is provided with a plurality of second threaded holes 21 at equal intervals. The threaded member passes through the second through holes 132 and is screwed into the second threaded holes 21, so that the threads of the rear baffle 13 and the lining plate 2 are detachably fixedly connected. The beneficial effect is that the detachable connection set has high connection strength and is easy to install.

[0050] Preferably, a first bending inclined plate 133 is further provided at the rear end of the arc substrate 110 and the lower end of the rear baffle 13; its beneficial effect is that the first bending inclined plate 133 makes the two sides be bent twice, reducing the bending intersection and avoiding stress cracks caused by large-angle bending.

[0051] Preferably, a right-angled deceleration step 111 is further provided at the front end of the arc base plate 110. The beneficial effect is that the deceleration step 111 can reduce the material discharge speed, change the material movement direction, and play a certain guiding role.

[0052] Preferably, the lower ends of the two side sealing plates 12 are welded and fixedly connected to the lower blocking plate 11, and the upper ends are welded and fixedly connected to the lining plate 2; the beneficial effect is that spot welding ensures a firm connection and avoids deformation of components caused by full welding.

[0053] Preferably, the upper end of the side sealing plate 12 is further provided with a second wing plate bent at a right angle, the second wing plate is provided with a third through hole, the lining plate 2 is provided with a third threaded through hole, and the threaded member passes through the second through hole and is screwed into the third threaded hole, thereby realizing a threaded detachable fixed connection between the side sealing plate 12 and the lining plate 2. The beneficial effect is that this arrangement ensures an overall detachable connection and facilitates replacement of components.

[0054] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. An efficient blocking and separation module for a drum screen, characterized in that: It comprises: a blocking guide (1), a lining plate (2) and a three-dimensional screen tube (3); The blocking guide (1) is open at the upper end and a side end, and the upper end plate of the blocking guide (1) is connected to the lower side of the lining plate (2), thereby forming a shell with a side opening (10), and the side opening (10) faces the rotation direction of the drum screen (01); The lining plate (2) is provided with a plurality of separation holes (20) distributed in an array, and the separation holes (20) are fixedly connected to the lower end of the three-dimensional screen tube (3); The three-dimensional screen tube (3) is a circular tube structure. The upper end of the three-dimensional screen tube (3) is fixedly connected to the mesh (010) of the drum screen (01). The upper end of the blocking and screening holes (30) of the three-dimensional screen tube (3) faces the mesh (010) and the lower end faces the separation hole (20). The rough selected material enters the blocking and guiding device (1) through the mesh (010), the blocking and screening holes (30) and the separation hole (20), and is discharged from the lower discharge port through the lateral opening (10). When the blocking and guiding device (1) rotates to the top of the drum screen (01), the 2D material falls back into the drum screen (01) and is discharged from the discharge port of the drum screen (01).

2. The high-efficiency blocking and separation module for a drum screen according to claim 1, characterized in that: The separation hole (20) and the mesh (010) are stepped through holes; the upper step hole (23) of the separation hole (20) and the lower step hole (011) of the mesh (010) are both the same as the outer diameter of the three-dimensional sieve tube (3); the upper end of the three-dimensional sieve tube (3) is tightly fitted and plugged into the lower step hole (011) of the mesh (010), and the lower end is tightly fitted and plugged into the upper step hole (23) of the separation hole (20).

3. The high-efficiency blocking and separation module for drum screen according to claim 1 is characterized in that: The separation hole (20) and the mesh hole (010) are round through holes; the upper end of the three-dimensional screen tube (3) is tightly fitted and plugged into the mesh hole (010) and the lower end is tightly fitted and plugged into the separation hole (20), and the connection is spot welded.

4. The high-efficiency blocking and separation module for a drum screen according to claim 2, characterized in that: It also comprises a side support leg (4), the upper end of which is fixedly connected to the drum screen (01) and the lower end of which is connected to the side sealing plate (12) of the blocking guide (1).

5. The high-efficiency blocking and separation module for a drum screen according to claim 4, characterized in that: The upper ends of the side support legs (4) are welded to the drum screen (01).

6. The high-efficiency blocking and separation module for a drum screen according to claim 5, characterized in that: The lower end of the side connecting leg (4) is provided with a first transverse threaded hole (41), and the side sealing plate (12) is provided with a first transverse through hole (121). The threaded member passes through the first threaded hole (41) and is screwed into the first through hole (121), thereby realizing a detachable connection between the two.

7. The high-efficiency blocking and separation module for a drum screen according to claim 6, characterized in that: C-shaped notches (22) are provided on both sides of the lining plate (2), and the upper ends of the side support legs (4) pass through the C-shaped notches (22) and fit against the inner wall of the side sealing plate (12).

8. The high-efficiency blocking and separation module for a drum screen according to claim 1, characterized in that: The blocking material guide (1) comprises a lower blocking plate (11), two side sealing plates (12) and a rear baffle plate (13); the lining plate (2) and the lower blocking plate (11) of the blocking material guide (1) are arc panels, and the lower blocking plate (11), the lining plate (2) and the drum screen (01) are concentrically arranged inwardly; The two side sealing plates (12) are symmetrically arranged radial annular plates, the upper ends of the two side sealing plates (12) are vertically connected to the two sides of the lining plate (2) and the lower ends are vertically connected to the two sides of the lower blocking plate (11); the upper end of the rear baffle plate (13) is connected to the outer wall of the lining plate (2) and the lower end is connected to the upper wall of the lower blocking plate (11), and the two ends of the front side surface of the rear baffle plate (13) are connected to the rear ends of the side sealing plates (12).

9. The high-efficiency blocking and separation module for a drum screen according to claim 8, characterized in that: The lower blocking plate (11) and the rear baffle plate (13) are an integrally bent structure; the lower blocking plate (11) comprises an arc base plate (110); the rear end of the arc base plate (110) is bent upward to form the rear baffle plate (13); The upper end of the rear baffle (13) is bent again to form a first wing plate (131), the first wing plate (131) is provided with a plurality of second through holes (132) at equal intervals, the lining plate (2) is provided with a plurality of second threaded holes (21) at equal intervals, the threaded member passes through the second through holes (132) and is screwed into the second threaded holes (21), so that the threads of the rear baffle (13) and the lining plate (2) are detachably fixedly connected; Or the rear end of the arc base plate (110) and the lower end of the rear baffle plate (13) are further provided with a first bent inclined plate (133); Alternatively, the front end of the arc substrate (110) is further provided with a right-angled deceleration step (111).

10. The high-efficiency blocking and separation module for a drum screen according to claim 8, characterized in that: The lower ends of the two side sealing plates (12) are welded and fixedly connected to the lower blocking plate (11), and the upper ends are welded and fixedly connected to the lining plate (2).

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