Adjustable discharge port pre-screening device

Abstract

The utility model discloses an adjustable discharge port pre-screening device which comprises a pre-screening device body, a material distribution box is arranged on the left side of the top of the pre-screening device body, and a driving motor is fixedly connected to the front side of the material distribution box. The supporting plate is fixed to external supporting equipment through bolts, after the material distributing box is fixed, materials needing to be screened are placed in the material distributing box, then the driving motor is started, the driving motor drives the fixing plate to continuously move front and back through the reciprocating screw rod and the reciprocating screw sleeve, and the fixing plate drives the mounting block to move front and back in a reciprocating mode. The mounting block drives the material distributing plate to move back and forth in a reciprocating mode, materials fall downwards through the material leaking through groove under the action of gravity, and due to the fact that the material distributing plate continuously moves back and forth in a reciprocating mode, the materials can be dispersed and fall downwards in the falling process, so that the materials are prevented from being stacked and falling, and the screening effect is improved. The screening net can be mounted and dismounted conveniently and quickly, and the maintenance efficiency of the screening net can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pre-screening, in particular to an adjustable discharge port pre-screening device. Background Art

[0002] Pre-screening refers to a crushing and grinding process in which the material is first screened before entering the crusher to screen out fine particles finer than the crusher outlet product, and directly enter the next step of the grinding machine. This operation is called pre-screening. Pre-screening can reduce the load of the crusher, while reducing the over-crushing of the material and reducing energy consumption. During pre-screening, the material is directly piled and placed in the pre-screening equipment, and then screened using the pre-screening equipment. Directly piling the material into the pre-screening equipment will not only reduce the screening efficiency, but also affect the screening effect, resulting in unsatisfactory screening effect. For this reason, an adjustable discharge port pre-screening device is proposed to solve the above problems. Utility Model Content

[0003] (1) Technical problems solved

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide an adjustable discharge port pre-screening device, which has the advantage of uniformly dispersing the discharge material.

[0005] (2) Technical solution

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions, a technical solution adopted by an adjustable discharge port pre-screening device is: comprising a pre-screening device, a material distribution box is provided on the left side of the top of the pre-screening device, the front side of the material distribution box is fixedly connected to a driving motor, the output end of the driving motor is fixedly connected to a reciprocating screw, the surface of the reciprocating screw is threadedly connected to a reciprocating screw sleeve, the left side of the reciprocating screw sleeve is fixedly connected to a fixed plate, the top of the fixed plate is fixedly connected to a mounting block, the top of the mounting block is fixedly connected to a material distribution box Plate, both sides of the front and rear sides of the inner cavity of the pre-screening device are fixedly connected with mounting plates, the inner cavity of the mounting plate is provided with a mounting through hole, the inner cavity of the mounting through hole is inserted with a mounting rod, one side of the mounting rod is fixedly connected with a screening net, the inner cavity on both sides of the front and rear sides of the pre-screening device are provided with mounting through grooves, the inner cavity of the mounting through groove is fixedly connected with a spring, one end of the spring is fixedly connected with an extension plate, one side of the extension plate is fixedly connected with a fixed plug rod, both sides of the front and rear sides of the pre-screening device are movably connected with anti-slip plates through rotating shafts.

[0007] As a preferred solution, a material leakage channel is provided at the bottom of the material distribution box, and there are two material leakage channels and two material distribution plates.

[0008] As a preferred solution, an auxiliary rod is fixedly connected to the rear side of the inner cavity of the distribution box, an auxiliary block is slidably connected to the surface of the auxiliary rod, and the left side of the fixed plate is fixedly connected to the right side of the auxiliary block.

[0009] As a preferred solution, the cross-sectional shape of the dividing plate is trapezoidal, and the dividing plate is fixedly connected to the top of the mounting block by bolts.

[0010] As a preferred solution, a support plate is fixedly connected to the left side of the distribution box, and a bolt through hole is opened in the inner cavity of the support plate.

[0011] As a preferred solution, the inner cavities of the mounting plate and the mounting rod are both provided with fixing through holes adapted to the fixing rods, the number of the screening meshes is two, and the number of the fixing rods is eight.

[0012] As a preferred solution, the anti-slip plate is located on the outside of the fixed plug rod, and anti-slip blocks are fixedly connected to both sides of the front and rear sides of the pre-screening device. The inner cavity of the anti-slip block is provided with an anti-slip groove that is compatible with the anti-slip plate.

[0013] (3) Beneficial effects

[0014] Compared with the prior art, the present invention provides an adjustable discharge port pre-screening device, which has the following beneficial effects.

[0015] 1. Fix the support plate to the external support equipment with bolts. After the distribution box is fixed, place the material to be screened in the distribution box, and then start the drive motor. The drive motor drives the fixed plate to move back and forth continuously through the reciprocating screw and reciprocating screw sleeve. The fixed plate drives the mounting block to move back and forth, and the mounting block drives the distribution plate to move back and forth. The material falls down through the leakage slot under the action of gravity. Since the distribution plate continues to move back and forth, the material will be dispersed and fall down during the falling process, thereby avoiding material accumulation and falling, and improving the screening effect.

[0016] 2. By rotating the anti-slip plate to the left and losing the limit of the anti-slip plate, the fixed rod is disengaged outward under the resetting action of the spring. At this time, the mounting rod is disengaged from the limit. At this time, the screening net can be picked up, and after cleaning, the mounting rod on the screening net is reinserted into the mounting through hole of the mounting plate, and then the fixed rod is reinserted into the corresponding fixed through hole. Finally, the anti-slip plate is reset to the anti-slip groove of the anti-slip block. At this time, the screening net is installed and the screening work can be performed again. Through the above steps, the installation and disassembly of the screening net can be completed conveniently and quickly, which can improve the maintenance efficiency of the screening net. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a cross-sectional schematic diagram of the material distribution box of the utility model;

[0019] Figure 3 This is a top view of the auxiliary rod and auxiliary block of the utility model;

[0020] Figure 4 It is a schematic cross-sectional bottom view of the pre-screening device of the present invention.

[0021] In the figure: 1. Pre-screening device; 2. Material distribution box; 3. Driving motor; 4. Reciprocating screw; 5. Reciprocating screw sleeve; 6. Fixed plate; 7. Mounting block; 8. Material distribution plate; 9. Mounting plate; 10. Mounting rod; 11. Screening net; 12. Spring; 13. Extension plate; 14. Fixed plug rod; 15. Anti-slip plate; 16. Auxiliary rod; 17. Auxiliary block; 18. Support plate; 19. Anti-slip block. DETAILED DESCRIPTION

[0022] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0023] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0025] The pre-screening device 1, the material distribution box 2, the driving motor 3, the reciprocating screw 4, the reciprocating screw sleeve 5, the fixed plate 6, the mounting block 7, the material distribution plate 8, the mounting plate 9, the mounting rod 10, the screening net 11, the spring 12, the extension plate 13, the fixed plug 14, the anti-slip plate 15, the auxiliary rod 16, the auxiliary block 17, the support plate 18 and the anti-slip block 19 components of the present application are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods. Example 1:

[0026] See also Figure 1-4 In order to achieve the purpose of diversion screening, the present embodiment provides the following technical solutions, which are specifically disclosed: it includes a pre-screening device 1, a distribution box 2 is provided on the left side of the top of the pre-screening device 1, the front side of the distribution box 2 is fixedly connected to a driving motor 3, the output end of the driving motor 3 is fixedly connected to a reciprocating screw 4, the surface of the reciprocating screw 4 is threadedly connected to a reciprocating screw sleeve 5, the left side of the reciprocating screw sleeve 5 is fixedly connected to a fixed plate 6, the top of the fixed plate 6 is fixedly connected to a mounting block 7, the top of the mounting block 7 is fixedly connected to a distribution plate 8, a leakage groove is provided at the bottom of the distribution box 2, and the number of the leakage groove and the distribution plate 8 are both two, an auxiliary rod 16 is fixedly connected to the rear side of the inner cavity of the distribution box 2, and the surface of the auxiliary rod 16 is slidably connected to an auxiliary Block 17, the left side of the fixed plate 6 is fixedly connected to the right side of the auxiliary block 17, the cross-sectional shape of the dividing plate 8 is trapezoidal, the dividing plate 8 is fixedly connected to the top of the mounting block 7 by bolts, and the left side of the dividing box 2 is fixedly connected with a support plate 18. The inner cavity of the support plate 18 is provided with a bolt through hole, and the support plate 18 is fixed to the external supporting equipment by bolts. After the dividing box 2 is fixed, the material to be screened is placed in the dividing box 2, and then the drive motor 3 is started. The drive motor 3 drives the fixed plate 6 to move continuously back and forth through the reciprocating screw 4 and the reciprocating screw sleeve 5, and the fixed plate 6 drives the mounting block 7 to move back and forth, and the mounting block 7 drives the dividing plate 8 to move back and forth, and the material falls downward through the leakage slot under the action of gravity. Example 2:

[0027] See also Figure 1-4In order to achieve the purpose of rapid maintenance, this embodiment provides the following technical solutions, specifically disclosed: both sides of the front and rear sides of the inner cavity of the pre-screening device 1 are fixedly connected with mounting plates 9, the inner cavity of the mounting plate 9 is provided with a mounting through-hole, the inner cavity of the mounting through-hole is inserted with a mounting rod 10, and one side of the mounting rod 10 is fixedly connected with a screening net 11, and the inner cavities on both sides of the front and rear sides of the pre-screening device 1 are provided with mounting through-slots, and the inner cavity of the mounting through-slot is fixedly connected with a spring 12, one end of the spring 12 is fixedly connected with an extension plate 13, and one side of the extension plate 13 is fixedly connected with a fixed insertion rod 14, and both sides of the front and rear sides of the pre-screening device 1 are movably connected with an anti-slip plate 15 through a rotating shaft, and the inner cavities of the mounting plates 9 and the mounting rod 10 are provided with fixed through-holes adapted to the fixed insertion rod 14, the number of screening nets 11 is two, and the number of fixed insertion rods 14 is The anti-slip plate 15 is located on the outside of the fixed plug rod 14, and the front and rear sides of the pre-screening device 1 are fixedly connected with anti-slip blocks 19. The inner cavity of the anti-slip block 19 is provided with an anti-slip groove adapted to the anti-slip plate 15. At this time, the screening net 11 needs to be regularly removed for cleaning after use for a period of time to avoid clogging of its screen holes.

[0028] The working principle of the present invention is as follows: the support plate 18 is fixed to the external support equipment by bolts, and after the distribution box 2 is fixed, the material to be screened is placed in the distribution box 2, and then the driving motor 3 is started. The driving motor 3 drives the fixed plate 6 to move back and forth continuously through the reciprocating screw 4 and the reciprocating screw sleeve 5, and the fixed plate 6 drives the mounting block 7 to move back and forth, and the mounting block 7 drives the distribution plate 8 to move back and forth. The material falls downward through the leakage slot under the action of gravity. Since the distribution plate 8 continues to move back and forth, the material will be dispersed and fall downward during the falling process, thereby avoiding the accumulation and falling of the material and improving the screening. After cleaning, the mounting rod 10 on the screening net 11 is reinserted into the mounting through hole of the mounting plate 9, and then the fixing rod 14 is reinserted into the corresponding fixing through hole again, and finally the anti-slip plate 15 is reset to the anti-slip groove of the anti-slip block 19. At this time, the screening net 11 is installed and the screening work can be carried out again.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the scope of protection of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. An adjustable discharge port pre-screening device, comprising a pre-screening device (1), characterized in that: A material distribution box (2) is provided on the left side of the top of the pre-screening device (1), a driving motor (3) is fixedly connected to the front side of the material distribution box (2), a reciprocating screw (4) is fixedly connected to the output end of the driving motor (3), a reciprocating screw sleeve (5) is threadedly connected to the surface of the reciprocating screw (4), a fixed plate (6) is fixedly connected to the left side of the reciprocating screw sleeve (5), a mounting block (7) is fixedly connected to the top of the fixing plate (6), a material distribution plate (8) is fixedly connected to the top of the mounting block (7), and the mounting plates are fixedly connected to both sides of the front and rear sides of the inner cavity of the pre-screening device (1). (9), the inner cavity of the mounting plate (9) is provided with a mounting through hole, the inner cavity of the mounting through hole is inserted with a mounting rod (10), one side of the mounting rod (10) is fixedly connected to a screening net (11), the inner cavities on both sides of the front and rear sides of the pre-screening device (1) are provided with mounting through slots, the inner cavity of the mounting through slot is fixedly connected to a spring (12), one end of the spring (12) is fixedly connected to an extension plate (13), one side of the extension plate (13) is fixedly connected to a fixed insertion rod (14), and both sides of the front and rear sides of the pre-screening device (1) are movably connected to anti-slip plates (15) through rotating shafts.

2. The adjustable discharge port pre-screening device according to claim 1, characterized in that: The bottom of the material distribution box (2) is provided with a material leakage slot, and the number of the material leakage slot and the number of the material distribution plates (8) are both two.

3. The adjustable discharge port pre-screening device according to claim 1, characterized in that: An auxiliary rod (16) is fixedly connected to the rear side of the inner cavity of the material distribution box (2), an auxiliary block (17) is slidably connected to the surface of the auxiliary rod (16), and the left side of the fixed plate (6) is fixedly connected to the right side of the auxiliary block (17).

4. The adjustable discharge port pre-screening device according to claim 1, characterized in that: The cross-sectional shape of the dividing plate (8) is trapezoidal, and the dividing plate (8) is fixedly connected to the top of the mounting block (7) by means of bolts.

5. The adjustable discharge port pre-screening device according to claim 1, characterized in that: A support plate (18) is fixedly connected to the left side of the distribution box (2), and a bolt through hole is provided in the inner cavity of the support plate (18).

6. The adjustable discharge port pre-screening device according to claim 1, characterized in that: The inner cavities of the mounting plate (9) and the mounting rod (10) are both provided with fixing through holes adapted to the fixing rods (14). The number of the screening nets (11) is two, and the number of the fixing rods (14) is eight.

7. The adjustable discharge port pre-screening device according to claim 1, characterized in that: The anti-slip plate (15) is located outside the fixed insertion rod (14), and anti-slip blocks (19) are fixedly connected to both the front and rear sides of the pre-screening device (1), and the inner cavity of the anti-slip block (19) is provided with an anti-slip groove adapted to the anti-slip plate (15).

Images