Material-distributing compound sand-making screen

Abstract

The utility model discloses a cloth compound type sand making screen, which comprises a screen box, two bidirectional cloth boxes and a feeding chute, the number of the bidirectional cloth boxes is two, the upper end feeding ports of the bidirectional cloth boxes are respectively and flexibly connected with the outlets of the bidirectional cloth boxes through corrugated hoses, and the lower end port of the feeding chute is flexibly connected with the upper end ports of the bidirectional cloth boxes through corrugated hoses. A material distributing plate is arranged in the bidirectional material distributing box and fixed to a rotating shaft, an arc-shaped support penetrates through the lower portion of the material distributing plate, the two ends of the arc-shaped support are fixed to the inclined walls of material distributing channels of the bidirectional material distributing box respectively, inclined struts are arranged on the two sides of the arc-shaped support respectively, and supporting angle steel is arranged at the upper ends of the inclined struts. The vertical face of the supporting angle steel abuts against the inner wall of the two-way material distribution box. According to the structure, the two screening machines are connected together through the two-way material distribution box, the screening efficiency is improved, continuous operation can be achieved, and troubles caused by machine halt are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sand screens, in particular to a cloth compound sand making screen. Background Art

[0002] The sand making screen is used to screen the crushed sand and gravel. In order to improve the screening efficiency, the screen in the sand making screen is often set to several layers, which can classify the sand and gravel to meet people's needs. However, the problem with the sand making screen is that the sand making screen is a separate device. Once the sand making screen fails or the screen needs to be replaced, it is necessary to stop the machine for maintenance, which delays production. Chinese Patent Application No. 202223000855.3 A grading vibrating screen comprises a screening mechanism, wherein a supporting mechanism and a vibration motor for driving the screening mechanism to vibrate are respectively provided on the surface and the bottom thereof; a screen for screening puffed granular feed raw materials is provided inside the screening mechanism, and the screen is composed of two layers. By arranging locking parts on the surface of the screening mechanism, the two screens can be locked or unlocked at the same time; the problem is that continuous operation cannot be achieved. Once a failure occurs, the machine needs to be shut down for maintenance, which delays production. Similarly, Chinese patent application No. 201510328206.1 discloses a screening device for mining, which also has the above problem. In order to overcome this problem, people add a spare screen machine. When one of them fails, the material is directed to the other one, which wastes resources, is not only inefficient, but also increases costs; it cannot meet the needs of actual use, so there is an urgent need for improved technology on the market to solve the above problems. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a compound sand-making screen. The structure adopts a two-way material distribution box to connect two screening machines together, which not only improves the screening efficiency, but also can realize continuous operation and avoid the trouble caused by shutdown. At the same time, the material distribution is uniform and meets the use requirements, which can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a compound sand-making screen for distribution, comprising a screen box, a two-way distribution box and a feeding chute, two two-way distribution boxes are arranged, the upper feeding ports of the two-way distribution boxes are softly connected to the outlets of the two-way distribution boxes through corrugated hoses, the lower port of the feeding chute is softly connected to the upper port of the two-way distribution box through corrugated hoses, a dividing plate is arranged inside the two-way distribution box, the dividing plate is fixed on the rotating shaft, an arc-shaped bracket is passed through the lower part of the dividing plate, and both ends of the arc-shaped bracket are respectively fixed on the inclined walls of the distribution channel of the two-way distribution box, oblique braces are arranged on both sides of the arc-shaped bracket, and a supporting angle steel is arranged on the upper end of the oblique brace, and the vertical surface of the supporting angle steel is in contact with the inner wall of the two-way distribution box.

[0005] Furthermore, fixing holes are respectively provided on both sides of the arc-shaped bracket, and there are at least two arc-shaped brackets arranged at equal intervals.

[0006] Furthermore, the lower surface of the diagonal support is provided with supporting ribs, and the supporting ribs are arranged at equal intervals to form a dispersing mesh surface for dispersing materials.

[0007] Furthermore, a feed adjustment plate is rotatably connected to the inner wall of the feed chute, a threaded adjustment rod is threadedly connected to the side of the feed chute, and the inner end of the threaded adjustment rod is in conflict with the feed adjustment plate.

[0008] Furthermore, a cloth box damping spring for support is arranged on the outer side of the bidirectional cloth box, and a cloth motor and a cloth exciter are arranged on the outer side of the bidirectional cloth box.

[0009] Furthermore, a screen is arranged inside the screen box, and a plurality of layers are arranged above and below the screen. A discharge port corresponding to the screen is arranged on the left side of the screen box.

[0010] Furthermore, a base support is provided under the screen box, a support frame is provided on the base support, a screen box vibration-damping spring is provided between the support frame and the screen box, a screen box vibrator is provided on the screen box, a screen box motor bracket is provided on one side of the screen box, a screen box motor is provided on the screen box motor bracket, and the screen box motor is used to drive the screen box vibrator to work.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. This structure uses a two-way material distribution box to connect two screens together, which not only improves the screening efficiency, but also enables continuous operation, avoids the trouble caused by shutdown, and ensures uniform material distribution.

[0013] 2. The material distribution plate turns to the left or right side to close the material distribution channel. At this time, only one screen box works normally, and the other screen box can be repaired to achieve online maintenance. At the same time, a dispersion mesh surface is set on the material distribution plate to improve the material dispersion effect and reduce the impact on the two-way distribution box.

[0014] 3. The angle of the feed adjustment plate can be adjusted through the threaded adjustment rod, and then the feed speed can be adjusted to meet the use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a right side structural schematic diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the bidirectional material distribution box of the utility model;

[0018] Figure 4 This is a schematic diagram of the installation structure of the material dividing plate of the utility model;

[0019] Figure 5 This is a front view structural diagram of the material dividing plate of the utility model.

[0020] In the figure: 1 feed chute, 2 feed adjustment plate, 3 bidirectional material distribution box, 4 material distribution motor, 5 material distribution vibrator, 6 screen box, 7 screen, 8 discharge port, 9 screen box vibration damping spring, 10 bottom support, 11 screen box motor bracket, 12 screen box vibrator, 13 screen box motor, 14 support frame, 15 corrugated hose, 16 material distribution box vibration damping spring, 17 drop hole, 18 threaded adjustment rod, 19 material dividing plate, 20 diagonal brace, 21 support angle steel, 22 support rib, 23 rotating shaft, 24 arc bracket, 25 fixing hole. DETAILED DESCRIPTION

[0021] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0022] See also Figure 1-5The utility model provides a technical solution: a compound sand making screen for material distribution includes a screen box 6, a two-way material distribution box 3 and a feeding chute 1. The two-way material distribution box 3 is provided with two, and the upper end feeding port of the two-way material distribution box 3 is softly connected with the outlet of the two-way material distribution box 3 through a corrugated hose 15 respectively, and the lower port of the feeding chute 1 is softly connected with the upper port of the two-way material distribution box 3 through a corrugated hose 15. The corrugated hose 15 is used to realize the soft connection among the screen box 6, the two-way material distribution box 3 and the feeding chute 1, so as to reduce the transmission of vibration and ensure the safe and stable operation of each. A dividing plate 19 is arranged inside the two-way material distribution box 3, and the dividing plate 19 can rotate. When it is in the middle, the two-way material distribution box 3 evenly divides the material into the channels on both sides. The dividing plate 19 turns to the left or right side to close the dividing channel. At this time, only one screen box 6 works normally, and the other screen box 6 can be Carry out maintenance and realize online maintenance. The dividing plate 19 is fixed on the rotating shaft 23. The two ends of the rotating shaft 23 are respectively passed through the outside of the two-way material distribution box 3 and supported by bearings. The adjustment method can be selected by manual adjustment or by telescopic rod adjustment. The specific rotation drive structure is set according to actual needs and is not introduced in detail here. The lower part of the dividing plate 19 is passed through an arc-shaped bracket 24. The two ends of the arc-shaped bracket 24 are respectively fixed on the inclined walls of the dividing channel of the two-way material distribution box 3. The two sides of the arc-shaped bracket 24 are respectively provided with diagonal braces 20, and the upper end of the diagonal brace 20 is provided with a supporting angle steel 21. The vertical surface of the supporting angle steel 21 is in contact with the inner wall of the two-way material distribution box 3. When the dividing plate 19 rotates to the left or right side, the upper end of the dividing plate 19 is in contact with the supporting angle steel 21. The supporting angle steel 21 reliably supports the dividing plate 19 and can withstand the impact brought by the material.

[0023] Fixing holes 25 are respectively provided on both sides of the arc-shaped bracket 24, and bolts are passed through the fixing holes 25 to fix the arc-shaped bracket 24 to the inclined wall of the material distribution channel of the two-way material distribution box 3. There are at least two arc-shaped brackets 24, which are arranged at equal intervals. There are holes on the material distribution plate 19, and the arc-shaped bracket 24 will not affect it during the rotation process.

[0024] The lower surface of the diagonal support 20 is provided with supporting ribs 22, which are arranged at equal intervals to form a dispersion mesh surface for dispersing materials. Dispersing the materials through the dispersion mesh surface can also reduce the impact on the two-way distribution box 3 and improve the distribution effect of the two-way distribution box 3.

[0025] A feed adjustment plate 2 is rotatably connected to the inner wall of the feed chute 1, and a threaded adjustment rod 18 is threadedly connected to the side of the feed chute 1. The inner end of the threaded adjustment rod 18 is in contact with the feed adjustment plate 2. The angle of the feed adjustment plate 2 can be adjusted by the threaded adjustment rod 18, and the feeding speed can be adjusted.

[0026] The outer side of the bidirectional material distribution box 3 is provided with a material distribution box damping spring 16 for support, and the outer side of the bidirectional material distribution box 3 is provided with a material distribution motor 4 and a material distribution exciter 5. The material distribution motor 4 is used to drive the material distribution exciter 5 to work.

[0027] A screen 7 is provided inside the screen box 6, and several layers of the screen 7 are arranged above and below. A discharge port 8 corresponding to the screen 7 is provided on the left side of the screen box 6; a base 10 is provided below the screen box 6, and a support frame 14 is provided on the base 10, and a screen box damping spring 9 is provided between the support frame 14 and the screen box 6, a screen box vibrator 12 is provided on the screen box 6, a screen box motor bracket 11 is provided on one side of the screen box 6, and a screen box motor 13 is provided on the screen box motor bracket 11, and the screen box motor 13 is used to drive the screen box vibrator 12 to work. The screen box 6 of the screening machine and the multi-layer screens 7 arranged inside and the working principle of the screening machine are existing technologies.

[0028] The material enters the two-way distribution box 3 through the feed chute 1, and the flow direction of the incoming material can be controlled by the angle of the feed adjustment plate 2, so that it can be evenly centered and fed downward; the distribution motor 4 is started, dragging the distribution vibrator 5 to operate, thereby generating reciprocating linear motion, which can evenly distribute the material to the two parallel sieves; the material is classified into a series of materials of various particle sizes through the screen 7, and enters the corresponding receiving chute through the discharge port 8; the screen box damping spring 9 plays a periodic vibration reduction role; the screen box motor 13 drives the screen box exciter 12 to do periodic linear motion, so that the screen box 6 produces periodic vibration, achieving a vibration screening effect.

[0029] The basic principles, main features and advantages of the present invention are shown and described above. Without departing from the spirit and scope of the present invention, the present invention may also be subject to various changes and improvements, which are all within the scope of the present invention to be protected.

Claims

1. A compound sand-making screen for material distribution, comprising a screen box (6), a bidirectional material distribution box (3) and a feed chute (1), characterized in that: Two bidirectional material distribution boxes (3) are provided. The upper feed ports of the bidirectional material distribution boxes (3) are softly connected to the outlets of the bidirectional material distribution boxes (3) through corrugated hoses (15). The lower port of the feed chute (1) is softly connected to the upper port of the bidirectional material distribution box (3) through the corrugated hose (15). A material distribution plate (19) is provided inside the bidirectional material distribution box (3). The material distribution plate (19) is fixed on the rotating shaft (23). An arc-shaped bracket (24) is passed through the lower part of the material distribution plate (19). The two ends of the arc-shaped bracket (24) are respectively fixed on the inclined wall of the material distribution channel of the bidirectional material distribution box (3). Diagonal braces (20) are respectively provided on both sides of the arc-shaped bracket (24). A supporting angle steel (21) is provided on the upper end of the diagonal brace (20). The vertical surface of the supporting angle steel (21) contacts the inner wall of the bidirectional material distribution box (3).

2. A compound sand making screen for distribution according to claim 1, characterized in that: Fixing holes (25) are respectively provided on both sides of the arc-shaped bracket (24), and at least two arc-shaped brackets (24) are provided and are arranged at equal intervals.

3. A compound sand making screen for distribution according to claim 1, characterized in that: The lower surface of the diagonal support (20) is provided with support ribs (22), and the support ribs (22) are arranged at equal intervals to form a dispersion mesh surface for dispersing materials.

4. A compound sand making screen for material distribution according to claim 1, characterized in that: A feed adjustment plate (2) is rotatably connected to the inner wall of the feed chute (1), and a threaded adjustment rod (18) is threadedly connected to the side of the feed chute (1), and the inner end of the threaded adjustment rod (18) is in contact with the feed adjustment plate (2).

5. The compound sand making screen according to claim 1, characterized in that: A material distribution box vibration-damping spring (16) for supporting is arranged on the outer side surface of the bidirectional material distribution box (3), and a material distribution motor (4) and a material distribution exciter (5) are arranged on the outer side surface of the bidirectional material distribution box (3).

6. A compound sand making screen for material distribution according to claim 1, characterized in that: A screen (7) is arranged inside the screen box (6), and the screen (7) is arranged in a plurality of layers above and below. A discharge port (8) corresponding to the screen (7) is arranged on the left side of the screen box (6).

7. The compound sand making screen according to claim 1, characterized in that: A bottom bracket (10) is arranged below the screen box (6), a support frame (14) is arranged on the bottom bracket (10), a screen box vibration damping spring (9) is arranged between the support frame (14) and the screen box (6), a screen box exciter (12) is arranged on the screen box (6), a screen box motor bracket (11) is arranged on one side of the screen box (6), and a screen box motor (13) is arranged on the screen box motor bracket (11).

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